engine: wscript: always require librt on Linux since we need it for Platform_SetTimer implementation

Do not enable what can't be enabled in current protocol.

.cirrus.yml

@@ -1,10 +1,10 @@
 task:
   name: freebsd-12-amd64
   freebsd_instance:
-    image_family: freebsd-12-3
+    image_family: freebsd-12-4
   setup_script:
     - pkg update
-    - pkg install -y git sdl2 python fontconfig
+    - pkg install -y pkgconf git sdl2 python fontconfig opus
     - git submodule update --init --recursive
   test_script:
     - ./scripts/cirrus/build_freebsd.sh dedicated
@@ -13,10 +13,10 @@ task:
 task:
   name: freebsd-13-amd64
   freebsd_instance:
-    image_family: freebsd-13-1
+    image_family: freebsd-13-2
   setup_script:
     - pkg update
-    - pkg install -y git sdl2 python fontconfig
+    - pkg install -y pkgconf git sdl2 python fontconfig opus
     - git submodule update --init --recursive
   test_script:
     - ./scripts/cirrus/build_freebsd.sh dedicated
@@ -28,7 +28,19 @@ task:
     image_family: freebsd-14-0-snap
   setup_script:
     - pkg update
-    - pkg install -y git sdl2 python fontconfig
+    - pkg install -y pkgconf git sdl2 python fontconfig opus
+    - git submodule update --init --recursive
+  test_script:
+    - ./scripts/cirrus/build_freebsd.sh dedicated
+    - ./scripts/cirrus/build_freebsd.sh full
+
+task:
+  name: freebsd-15-amd64
+  freebsd_instance:
+    image_family: freebsd-15-0-snap
+  setup_script:
+    - pkg update
+    - pkg install -y pkgconf git sdl2 python fontconfig opus
     - git submodule update --init --recursive
   test_script:
     - ./scripts/cirrus/build_freebsd.sh dedicated

Documentation/donate.md

@@ -0,0 +1,24 @@
+# Developers donation page
+
+On this page you can find links where you can support each developer individually, who has provided public sponsorship information.
+
+### [a1batross](https://github.com/a1batross)
+
+* Initial Xash3D SDL2/Linux port author, Xash3D FWGS engine maintainer, creator of non-commercial Flying With Gauss organization.
+* Boosty page: https://boosty.to/a1ba
+
+### [nekonomicon](https://github.com/nekonomicon)
+
+* [hlsdk-portable](https://github.com/FWGS/hlsdk-portable), [mdldec](../utils/mdldec), [opensource-mods.md](opensource-mods.md) maintainer and Xash3D FWGS [contributor](https://github.com/FWGS/xash3d-fwgs/commits?author=nekonomicon) (*BSD/clang port, PNG support, etc).
+* Boosty page: https://boosty.to/nekonomicon
+
+### [Velaron](https://github.com/Velaron)
+* [cs16-client](https://github.com/Velaron/cs16-client) & [tf15-client](https://github.com/Velaron/tf15-client) maintainer and Xash3D FWGS [contributor](https://github.com/FWGS/xash3d-fwgs/commits?author=Velaron) (Android port, voice chat, etc).
+* BuyMeACoffee page: https://www.buymeacoffee.com/velaron
+
+### [SNMetamorph](https://github.com/SNMetamorph)
+* [PrimeXT](https://github.com/SNMetamorph/PrimeXT) & [GoldSrc Monitor](https://github.com/SNMetamorph/goldsrc-monitor) maintainer and Xash3D FWGS [contributor](https://github.com/FWGS/xash3d-fwgs/commits?author=SNMetamorph) (Windows port, voice chat, etc).
+* BTC: `16GAzK3qei5AwBW7sggXp3yNcFHBtdpxXj`
+* ETH (ERC20): `0xb580eeca9756e3881f9d6d026e28db28eb72a383`
+* USDT (ERC20): `0xb580eeca9756e3881f9d6d026e28db28eb72a383`
+* USDC (ERC20): `0xb580eeca9756e3881f9d6d026e28db28eb72a383`

Documentation/gameinfo.md

@@ -70,9 +70,11 @@ These strings are specific to Xash3D FWGS.
 
 | Key                     | Type       | Default value            | Description |
 | ----------------------- | ---------- | ------------------------ | ----------- |
+| `animated_title`        | boolean    | 0                        | Use animated title in main menu (WON Half-Life logo.avi imitation from Half-Life 25-th anniversary update)
 | `autosave_aged_count`   | integer    | 2                        | Auto saves limit used in saves rotation |
 | `gamedll_linux`         | string     | Generated from `gamedll` | Game server DLL for 32-bit x86 Linux (see LibraryNaming.md for details) |
 | `gamedll_osx`           | string     | Generated from `gamedll` | Game server DLL for 32-bit x86 macOS (see LibraryNaming.md for details) |
+| `hd_background`         | boolean    | 0                        | Use HD background for main menu (Half-Life 25-th anniversary update) |
 | `internal_vgui_support` | boolean    | 0                        | Only for programmers! Required to be set as 1 for PrimeXT!<br>When set to 1, the engine will not load vgui_support DLL, as VGUI support is done (or intentionally ignored) on the game side. |
 | `render_picbutton_text` | boolean    | 0                        | When set to 1, the UI will not use prerendered `btns_main.bmp` and dynamically render them instead |
 | `quicksave_aged_count`  | integer    | 2                        | Quick saves limit used in saves rotation |
@@ -88,6 +90,7 @@ The table below defines conversion rules from liblist.gam to gameinfo.txt. Some
 
 | `liblist.gam` key | `gameinfo.txt` key | Note |
 | ----------------- | ------------------ | ---- |
+| `animated_title`  | `animated_title`   |      |
 | `edicts`          | `max_edicts`       |      |
 | `fallback_dir`    | `fallback_dir`     |      |
 | `game`            | `title`            |      |
@@ -95,6 +98,7 @@ The table below defines conversion rules from liblist.gam to gameinfo.txt. Some
 | `gamedll`         | `gamedll`          |      |
 | `gamedll_linux`   | `gamedll_linux`    |      |
 | `gamedll_osx`     | `gamedll_osx`      |      |
+| `hd_background`   | `hd_background`    |      |
 | `icon`            | `icon`             |      |
 | `mpentity`        | `mp_entity`        |      |
 | `mpfilter`        | `mp_filter`        |      |

Documentation/opensource-mods.md

@@ -133,22 +133,8 @@ Available in mod archive on ModDB - https://www.moddb.com/mods/overturn
 ## Oz Deathmatch
 Mirrored on github - https://github.com/nekonomicon/OZDM
 
-## Spirit of Half-Life
-[Logic&Trick's](https://github.com/LogicAndTrick) mirror - https://files.logic-and-trick.com/#/Half-Life/Mods/Spirit%20of%20Half-Life
-
-## Threewave CTF
-*Unfinished mod by Valve Software*
-
-Available in Valve's Half-Life repository with Deathmatch Classic sources - https://github.com/ValveSoftware/halflife/tree/master/dmc
-
-## Trinity Render
-Available on ModDB: https://www.moddb.com/mods/half-life-episode-two/downloads/trinity-rendering-engine-v308f
-
-## Tyrian: Ground Assault
-Available on ModDB: https://www.moddb.com/mods/tyriangroundassault/downloads/tyrianga-v1-0-src
-
 ## Paranoia
-Available on ModDB: https://www.moddb.com/mods/paranoia/downloads/paranoia-toolkit
+Available on ModDB - https://www.moddb.com/mods/paranoia/downloads/paranoia-toolkit
 
 ## Paranoia 2: The Savior
 Prealpha, mirrored on github - https://github.com/a1batross/Paranoia2_ancient
@@ -163,12 +149,37 @@ Was found on HLFX - http://hlfx.ru/forum/showthread.php?s=2c892dfc52f72be52a89c3
 ## Ricochet
 Available in Valve's Half-Life repository - https://github.com/ValveSoftware/halflife/tree/master/ricochet
 
+## Spirit of Half-Life
+[Logic&Trick's](https://github.com/LogicAndTrick) mirror - https://files.logic-and-trick.com/#/Half-Life/Mods/Spirit%20of%20Half-Life
+
+## The Wastes
+Version 1.5: mirrored on code.idtech.space - https://code.idtech.space/vera/halflife-thewastes-sdk
+
+## Threewave CTF
+*Unfinished mod by Valve Software*
+
+Available in Valve's Half-Life repository with Deathmatch Classic sources - https://github.com/ValveSoftware/halflife/tree/master/dmc
+
+## Trinity Render
+Available on ModDB - https://www.moddb.com/mods/half-life-episode-two/downloads/trinity-rendering-engine-v308f
+
+## Tyrian: Ground Assault
+Available on ModDB - https://www.moddb.com/mods/tyriangroundassault/downloads/tyrianga-v1-0-src
+
+## Wasteland
+Mirrored on code.idtech.space - https://code.idtech.space/vera/halflife-wasteland-sdk
+
 ## Wizard Wars
 Download page on official site - http://www.thothie.com/ww/
 
 ## XashXT
 Mirrored on github - https://github.com/a1batross/XashXT_original
 
+## Xen-Warrior
+*Source code is a part of Spirit of Half-Life 1.0-1.2 under XENWARRIOR macro*
+
+[Logic&Trick's](https://github.com/LogicAndTrick) mirror - https://files.logic-and-trick.com/#/Half-Life/Mods/Spirit%20of%20Half-Life
+
 ## Zombie-X
 Available in mod archive on ModDB - https://www.moddb.com/mods/zombie-x-10-final/downloads/zombie-x-10-dle-beta6-last-version
 
@@ -190,12 +201,12 @@ malortie's recreation - https://github.com/malortie/hl-aom
 Branch **aom** in hlsdk-portable - https://github.com/FWGS/hlsdk-portable/tree/aom
 
 ## Afraid of Monsters: Director's cut
-Reverse-engineered code, branch **aomdc** in hlsdk-portable - https://github.com/FWGS/hlsdk-portable/tree/aomdc
+Reverse-engineered code: branch **aomdc** in hlsdk-portable - https://github.com/FWGS/hlsdk-portable/tree/aomdc
 
 ## Azure Sheep
 malortie's recreation - https://github.com/malortie/hl-asheep
 
-Reverse-engineered code, branch **asheep** in hlsdk-portable - https://github.com/FWGS/hlsdk-portable/tree/asheep
+Reverse-engineered code: branch **asheep** in hlsdk-portable - https://github.com/FWGS/hlsdk-portable/tree/asheep
 
 ## Big Lolly
 malortie's recreation - https://github.com/malortie/hl-biglolly
@@ -217,7 +228,7 @@ Branch **caseclosed** in hlsdk-portable - https://github.com/FWGS/hlsdk-portable
 Branch **CAd** in hlsdk-portable - https://github.com/FWGS/hlsdk-portable/tree/CAd
 
 ## Counter Strike
-Reverse-engineered code of client part by a1batross - https://github.com/FWGS/cs16-client/tree/v1.32
+Reverse-engineered code of client part by a1batross - https://github.com/Velaron/cs16-client
 
 Reverse-engineered code of server part by nagist - https://github.com/nagist/cs16nd
 
@@ -232,12 +243,17 @@ Recreation by lostgamer aka nillerusr - https://github.com/LostGamerHL/crack_lif
 ## Escape from the Darkness
 malortie's recreation - https://github.com/malortie/hl-eftd
 
-Reverse-engineered code, branch **eftd** in hlsdk-portable - https://github.com/FWGS/hlsdk-portable/tree/eftd
+Reverse-engineered code: branch **eftd** in hlsdk-portable - https://github.com/FWGS/hlsdk-portable/tree/eftd
+
+## Half-Life: Black Guard
+*This mod uses dlls from Cleaner's Adventures*
+
+Branch **CAd** in hlsdk-portable - https://github.com/FWGS/hlsdk-portable/tree/CAd
 
 ## Half-Life: Blue Shift
 Unkle Mike's recreation - https://hlfx.ru/forum/showthread.php?s=&threadid=5253
 
-Reverse-engineered code, branch **bshift** in hlsdk-portable - https://github.com/FWGS/hlsdk-portable/tree/bshift
+Reverse-engineered code: branch **bshift** in hlsdk-portable - https://github.com/FWGS/hlsdk-portable/tree/bshift
 
 ## Half-Life: Induction
 Branch **induction** in hlsdk-portable - https://github.com/FWGS/hlsdk-portable/tree/induction
@@ -245,12 +261,12 @@ Branch **induction** in hlsdk-portable - https://github.com/FWGS/hlsdk-portable/
 ## Half-Life: Opposing Force
 Recreation by lostgamer aka nillerusr - https://github.com/LostGamerHL/hlsdk-xash3d
 
-Reverse-engineered code, clean branch **opfor** in hlsdk-portable - https://github.com/FWGS/hlsdk-portable/tree/opfor
+Reverse-engineered code: clean branch **opfor** in hlsdk-portable - https://github.com/FWGS/hlsdk-portable/tree/opfor
 
 Spirit of Half Life: Opposing-Force Edition - https://github.com/Hammermaps-DEV/SOHL-V1.9-Opposing-Force-Edition
 
 ## Half-Life: Rebellion
-Reverse-engineered code, branch **rebellion** in hlsdk-portable - https://github.com/FWGS/hlsdk-portable/tree/rebellion
+Reverse-engineered code: branch **rebellion** in hlsdk-portable - https://github.com/FWGS/hlsdk-portable/tree/rebellion
 
 ## Half-Life: Urbicide
 Branch **hl_urbicide** in hlsdk-portable - https://github.com/FWGS/hlsdk-portable/tree/hl_urbicide
@@ -258,7 +274,7 @@ Branch **hl_urbicide** in hlsdk-portable - https://github.com/FWGS/hlsdk-portabl
 ## Half-Life: Visitors
 malortie's recreation - https://github.com/malortie/hl-visitors
 
-Reverse-engineered code, branch **visitors** in hlsdk-portable - https://github.com/FWGS/hlsdk-portable/tree/visitors
+Reverse-engineered code: branch **visitors** in hlsdk-portable - https://github.com/FWGS/hlsdk-portable/tree/visitors
 
 ## Half-Secret
 Branch **half-secret** in hlsdk-portable - https://github.com/FWGS/hlsdk-portable/tree/half-secret
@@ -271,18 +287,18 @@ Branch **noffice** in hlsdk-portable - https://github.com/FWGS/hlsdk-portable/tr
 ## Poke 646
 malortie's recreation - https://github.com/malortie/hl-poke646
 
-Reverse-engineered code, branch **poke646** in hlsdk-portable - https://github.com/FWGS/hlsdk-portable/tree/poke646
+Reverse-engineered code: branch **poke646** in hlsdk-portable - https://github.com/FWGS/hlsdk-portable/tree/poke646
 
 ## Poke 646: Vendetta
 malortie's recreation - https://github.com/malortie/hl-poke646-vendetta
 
-Reverse-engineered code, branch **poke646_vendetta** in hlsdk-portable - https://github.com/FWGS/hlsdk-portable/tree/poke646_vendetta
+Reverse-engineered code: branch **poke646_vendetta** in hlsdk-portable - https://github.com/FWGS/hlsdk-portable/tree/poke646_vendetta
 
 ## Residual Life
-Reverse-engineered code, branch **residual_point** in hlsdk-portable - https://github.com/FWGS/hlsdk-portable/tree/residual_point
+Reverse-engineered code: branch **residual_point** in hlsdk-portable - https://github.com/FWGS/hlsdk-portable/tree/residual_point
 
 ## Residual Point
-Reverse-engineered code, branch **residual_point** in hlsdk-portable - https://github.com/FWGS/hlsdk-portable/tree/residual_point
+Reverse-engineered code: branch **residual_point** in hlsdk-portable - https://github.com/FWGS/hlsdk-portable/tree/residual_point
 
 ## Sewer Beta
 Branch **sewer_beta** in hlsdk-portable - https://github.com/FWGS/hlsdk-portable/tree/sewer_beta
@@ -293,12 +309,12 @@ Reverse-engineered code by Velaron - https://github.com/Velaron/tf15-client
 ## The Gate
 malortie's recreation - https://github.com/malortie/hl-thegate
 
-Reverse-engineered code, branch **thegate** in hlsdk-portable - https://github.com/FWGS/hlsdk-portable/tree/thegate
+Reverse-engineered code: branch **thegate** in hlsdk-portable - https://github.com/FWGS/hlsdk-portable/tree/thegate
 
 ## They Hunger
 malortie's recreation - https://github.com/malortie/hl-theyhunger
 
-Reverse-engineered code, branch **theyhunger** in hlsdk-portable - https://github.com/FWGS/hlsdk-portable/tree/theyhunger
+Reverse-engineered code: branch **theyhunger** in hlsdk-portable - https://github.com/FWGS/hlsdk-portable/tree/theyhunger
 
 They Hunger: Tactical - https://www.moddb.com/mods/they-hunger-tactical/downloads/tht-source-code-documentation
 
@@ -341,16 +357,22 @@ Branch **half-screwed** in hlsdk-portable - https://github.com/FWGS/hlsdk-portab
 Port to Linux - https://github.com/fmoraw/NS
 
 ## Spirit of Half-Life
-Version 1.2, branch **sohl1.2** in hlsdk-portable - https://github.com/FWGS/hlsdk-portable/tree/sohl1.2
+Version 1.2: branch **sohl1.2** in hlsdk-portable - https://github.com/FWGS/hlsdk-portable/tree/sohl1.2
 
 ## Swiss Cheese Halloween 2002
 Just more playable version by malortie - https://github.com/malortie/hl-shall
 
 Branch **halloween** in hlsdk-portable - https://github.com/FWGS/hlsdk-portable/tree/halloween
 
+## The Wastes
+Version 1.5: Port to Linux - https://git.mentality.rip/a1batross/halflife-thewastes-sdk
+
 ## Threewave CTF
 Branch **dmc** in hlsdk-portable - https://github.com/FWGS/hlsdk-portable/tree/dmc
 
+## Xen-Warrior
+Branch **sohl1.2** in hlsdk-portable - https://github.com/FWGS/hlsdk-portable/tree/sohl1.2
+
 ## Zombie-X
 Branch **zombie-x** in hlsdk-portable - https://github.com/FWGS/hlsdk-portable/tree/zombie-x
 

README.md

@@ -1,33 +1,27 @@
-# Xash3D FWGS Engine
+# Xash3D FWGS Engine <img align="right" width="128" height="128" src="https://github.com/FWGS/xash3d-fwgs/raw/master/game_launch/icon-xash-material.png" alt="Xash3D FWGS icon" />
 [![GitHub Actions Status](https://github.com/FWGS/xash3d-fwgs/actions/workflows/c-cpp.yml/badge.svg)](https://github.com/FWGS/xash3d-fwgs/actions/workflows/c-cpp.yml) [![FreeBSD Build Status](https://img.shields.io/cirrus/github/FWGS/xash3d-fwgs?label=freebsd%20build)](https://cirrus-ci.com/github/FWGS/xash3d-fwgs) [![Discord Server](https://img.shields.io/discord/355697768582610945.svg)](http://fwgsdiscord.mentality.rip/) \
-[![Download Stable](https://img.shields.io/badge/download-stable-yellow)](https://github.com/FWGS/xash3d-fwgs/releases/latest) [![Download Testing](https://img.shields.io/badge/downloads-testing-orange)](https://github.com/FWGS/xash3d-fwgs/releases/tag/continuous) 
+[![Download Stable](https://img.shields.io/badge/download-stable-yellow)](https://github.com/FWGS/xash3d-fwgs/releases/latest) [![Download Testing](https://img.shields.io/badge/downloads-testing-orange)](https://github.com/FWGS/xash3d-fwgs/releases/tag/continuous)
 
-Xash3D FWGS is a fork of Xash3D Engine by Unkle Mike with extended features and crossplatform.
+Xash3D FWGS is a game engine, aimed to provide compatibility with Half-Life Engine and extend it, as well as to give game developers well known workflow.
 
-```
-Xash3D is a game engine, aimed to provide compatibility with Half-Life Engine, 
-as well as to give game developers well known workflow and extend it.
-Read more about Xash3D on ModDB: https://www.moddb.com/engines/xash3d-engine
-```
+Xash3D FWGS is a heavily modified fork of an original [Xash3D Engine](https://www.moddb.com/engines/xash3d-engine) by Unkle Mike.
+
+## Donate
+[![Donate to FWGS button](https://img.shields.io/badge/Donate_to_FWGS-%3C3-magenta)](Documentation/donate.md) \
+If you like Xash3D FWGS, consider supporting individual engine maintainers. By supporting us, you help to continue developing this game engine further. The sponsorship links are available in [documentation](Documentation/donate.md).
 
 ## Fork features
-* HLSDK 2.4 support.
-* Crossplatform: supported x86 and ARM on Windows/Linux/BSD/Android. ([see docs for more info](Documentation/ports.md))
-* Modern compilers support: say no more to MSVC6.
-* Better multiplayer support: multiple master servers, headless dedicated server.
-* Mobility API: allows better game integration on mobile devices(vibration, touch controls)
-* Different input methods: touch, gamepad and classic mouse & keyboard.
+* Steam Half-Life (HLSDK 2.4) support.
+* Crossplatform and modern compilers support: supports Windows, Linux, BSD & Android on x86 & ARM and [many more](Documentation/ports.md).
+* Better multiplayer support: multiple master servers, headless dedicated server, voice chat and IPv6 support.
+* Multiple renderers support: OpenGL, GLESv1, GLESv2 and Software.
+* Advanced virtual filesystem: `.pk3` and `.pk3dir` support, compatibility with GoldSrc FS module, fast case-insensitivity emulation for crossplatform.
+* Mobility API: better game integration on mobile devices (vibration, touch controls)
+* Different input methods: touch and gamepad in addition to mouse & keyboard.
 * TrueType font rendering, as a part of mainui_cpp.
-* Multiple renderers support: OpenGL, GLESv1, GLESv2, Software.
-* Voice support.
-* External filesystem module like in GoldSrc engine.
-* External vgui support module.
-* PNG image format support.
-* A set of small improvements, without broken compatibility.
-
-## Planned fork features
-* Virtual Reality support and game API.
-* Vulkan renderer.
+* External VGUI support module.
+* PNG & KTX2 image format support.
+* [A set of small improvements](Documentation/), without broken compatibility.
 
 ## Installation & Running
 0) Get Xash3D FWGS binaries: you can use [testing](https://github.com/FWGS/xash3d-fwgs/releases/tag/continuous) build or you can compile engine from source code.

common/com_image.h

@@ -9,7 +9,20 @@ NOTE: number at end of pixelformat name it's a total bitscount e.g. PF_RGB_24 ==
 ========================================================================
 */
 #define ImageRAW( type )	(type == PF_RGBA_32 || type == PF_BGRA_32 || type == PF_RGB_24 || type == PF_BGR_24 || type == PF_LUMINANCE)
-#define ImageDXT( type )	(type == PF_DXT1 || type == PF_DXT3 || type == PF_DXT5 || type == PF_ATI2 || type == PF_BC6H_SIGNED || type == PF_BC6H_UNSIGNED || type == PF_BC7)
+#define ImageCompressed( type ) \
+	(  type == PF_DXT1 \
+	|| type == PF_DXT3 \
+	|| type == PF_DXT5 \
+	|| type == PF_ATI2 \
+	|| type == PF_BC4_SIGNED \
+	|| type == PF_BC4_UNSIGNED \
+	|| type == PF_BC5_SIGNED \
+	|| type == PF_BC5_UNSIGNED \
+	|| type == PF_BC6H_SIGNED \
+	|| type == PF_BC6H_UNSIGNED \
+	|| type == PF_BC7_UNORM \
+	|| type == PF_BC7_SRGB \
+	|| type == PF_KTX2_RAW )
 
 typedef enum
 {
@@ -25,9 +38,15 @@ typedef enum
 	PF_DXT3,		// s3tc DXT3/BC2 format
 	PF_DXT5,		// s3tc DXT5/BC3 format
 	PF_ATI2,		// latc ATI2N/BC5 format
+	PF_BC4_SIGNED,
+	PF_BC4_UNSIGNED,
+	PF_BC5_SIGNED,
+	PF_BC5_UNSIGNED,
 	PF_BC6H_SIGNED,	// bptc BC6H signed FP16 format
 	PF_BC6H_UNSIGNED, // bptc BC6H unsigned FP16 format
-	PF_BC7,			// bptc BC7 format
+	PF_BC7_UNORM,			// bptc BC7 format
+	PF_BC7_SRGB,
+	PF_KTX2_RAW, // Raw KTX2 data, used for yet unsupported KTX2 subformats
 	PF_TOTALCOUNT,	// must be last
 } pixformat_t;
 
@@ -50,6 +69,7 @@ typedef enum
 	IL_LOAD_DECAL	= BIT(5),	// special mode for load gradient decals
 	IL_OVERVIEW	= BIT(6),	// overview required some unque operations
 	IL_LOAD_PLAYER_DECAL = BIT(7), // special mode for player decals
+	IL_KTX2_RAW = BIT(8), // renderer can consume raw KTX2 files (e.g. ref_vk)
 } ilFlags_t;
 
 // goes into rgbdata_t->encode

common/defaults.h

@@ -189,4 +189,8 @@ Default build-depended cvar and constant values
 	#define DEFAULT_FULLSCREEN "1" // must be a string
 #endif // DEFAULT_FULLSCREEN
 
+#ifndef DEFAULT_MAX_EDICTS
+	#define DEFAULT_MAX_EDICTS 1200 // was 900 before HL25
+#endif // DEFAULT_MAX_EDICTS
+
 #endif // DEFAULTS_H

common/enginefeatures.h

@@ -27,4 +27,16 @@ GNU General Public License for more details.
 #define ENGINE_COMPUTE_STUDIO_LERP	(1<<7)	// enable MOVETYPE_STEP lerping back in engine
 #define ENGINE_LINEAR_GAMMA_SPACE	(1<<8)	// disable influence of gamma/brightness cvars to textures/lightmaps, for mods with custom renderer
 
+// adjust the mask when features will be added or removed
+#define ENGINE_FEATURES_MASK      \
+	( ENGINE_WRITE_LARGE_COORD    \
+	| ENGINE_QUAKE_COMPATIBLE     \
+	| ENGINE_LOAD_DELUXEDATA      \
+	| ENGINE_PHYSICS_PUSHER_EXT   \
+	| ENGINE_LARGE_LIGHTMAPS      \
+	| ENGINE_COMPENSATE_QUAKE_BUG \
+	| ENGINE_IMPROVED_LINETRACE   \
+	| ENGINE_COMPUTE_STUDIO_LERP  \
+	| ENGINE_LINEAR_GAMMA_SPACE   )
+
 #endif//FEATURES_H

common/gameinfo.h

@@ -19,6 +19,8 @@ GNU General Public License for more details.
 #define GFL_NOMODELS	(1<<0)
 #define GFL_NOSKILLS	(1<<1)
 #define GFL_RENDER_PICBUTTON_TEXT   (1<<2)
+#define GFL_HD_BACKGROUND (1<<3)
+#define GFL_ANIMATED_TITLE (1<<4)
 
 /*
 ========================================================================

common/render_api.h

@@ -229,7 +229,7 @@ typedef struct render_api_s
 	void		(*R_Reserved0)( void );
 
 	// static allocations
-	void		*(*pfnMemAlloc)( size_t cb, const char *filename, const int fileline );
+	void		*(*pfnMemAlloc)( size_t cb, const char *filename, const int fileline ) ALLOC_CHECK( 1 );
 	void		(*pfnMemFree)( void *mem, const char *filename, const int fileline );
 
  	// engine utils (not related with render API but placed here)

common/xash3d_types.h

@@ -57,6 +57,7 @@ typedef uint64_t longtime_t;
 #define MAX_USERMSG_LENGTH	2048	// don't modify it's relies on a client-side definitions
 
 #define BIT( n )		( 1U << ( n ))
+#define BIT64( n )		( 1ULL << ( n ))
 #define GAMMA		( 2.2f )		// Valve Software gamma
 #define INVGAMMA		( 1.0f / 2.2f )	// back to 1.0
 #define TEXGAMMA		( 0.9f )		// compensate dim textures
@@ -86,16 +87,22 @@ typedef uint64_t longtime_t;
 	#endif
 	#define _format(x) __attribute__((format(printf, x, x+1)))
 	#define NORETURN __attribute__((noreturn))
+	#define NONNULL __attribute__((nonnull))
+	#define ALLOC_CHECK(x) __attribute__((alloc_size(x)))
 #elif defined(_MSC_VER)
 	#define EXPORT          __declspec( dllexport )
 	#define GAME_EXPORT
 	#define _format(x)
 	#define NORETURN
+	#define NONNULL
+	#define ALLOC_CHECK(x)
 #else
 	#define EXPORT
 	#define GAME_EXPORT
 	#define _format(x)
 	#define NORETURN
+	#define NONNULL
+	#define ALLOC_CHECK(x)
 #endif
 
 #if ( __GNUC__ >= 3 )
@@ -114,7 +121,7 @@ typedef uint64_t longtime_t;
 	#define likely(x)   (x)
 #endif
 
-#if defined( static_assert ) // C11 static_assert
+#if __STDC_VERSION__ >= 201112L || __cplusplus >= 201103L // C11 static_assert
 #define STATIC_ASSERT static_assert
 #else
 #define STATIC_ASSERT( x, y ) extern int _static_assert_##__LINE__[( x ) ? 1 : -1]
@@ -177,6 +184,7 @@ typedef struct dll_info_s
 } dll_info_t;
 
 typedef void (*setpair_t)( const char *key, const void *value, const void *buffer, void *numpairs );
+typedef void *(*pfnCreateInterface_t)( const char *, int * );
 
 // config strings are a general means of communication from
 // the server to all connected clients.

engine/client/cl_cmds.c

@@ -85,6 +85,12 @@ void CL_PlayCDTrack_f( void )
 		paused = false;
 		looped = false;
 	}
+	else if( !Q_stricmp( command, "playfile" ))
+	{
+		S_StartBackgroundTrack( pszTrack, NULL, 0, true );
+		paused = false;
+		looped = false;
+	}
 	else if( !Q_stricmp( command, "loop" ))
 	{
 		if( Q_isdigit( pszTrack ))
@@ -96,6 +102,12 @@ void CL_PlayCDTrack_f( void )
 		paused = false;
 		looped = true;
 	}
+	else if( !Q_stricmp( command, "loopfile" ))
+	{
+		S_StartBackgroundTrack( pszTrack, pszTrack, 0, true );
+		paused = false;
+		looped = true;
+	}
 	else if( !Q_stricmp( command, "pause" ))
 	{
 		S_StreamSetPause( true );

engine/client/cl_demo.c

@@ -372,7 +372,7 @@ void CL_WriteDemoHeader( const char *name )
 	demo.header.id = IDEMOHEADER;
 	demo.header.dem_protocol = DEMO_PROTOCOL;
 	demo.header.net_protocol = cls.legacymode ? PROTOCOL_LEGACY_VERSION : PROTOCOL_VERSION;
-	demo.header.host_fps = bound( MIN_FPS, host_maxfps.value, MAX_FPS );
+	demo.header.host_fps = host_maxfps.value ? bound( MIN_FPS, host_maxfps.value, MAX_FPS ) : MAX_FPS;
 	Q_strncpy( demo.header.mapname, clgame.mapname, sizeof( demo.header.mapname ));
 	Q_strncpy( demo.header.comment, clgame.maptitle, sizeof( demo.header.comment ));
 	Q_strncpy( demo.header.gamedir, FS_Gamedir(), sizeof( demo.header.gamedir ));
@@ -1124,7 +1124,10 @@ void CL_FinishTimeDemo( void )
 	time = host.realtime - cls.td_starttime;
 	if( !time ) time = 1.0;
 
-	Con_Printf( "%i frames %5.3f seconds %5.3f fps\n", frames, time, frames / time );
+	Con_Printf( "timedemo result: %i frames %5.3f seconds %5.3f fps\n", frames, time, frames / time );
+
+	if( Sys_CheckParm( "-timedemo" ))
+		CL_Quit_f();
 }
 
 /*

engine/client/cl_game.c

@@ -1109,12 +1109,12 @@ void CL_InitEdicts( int maxclients )
 		clgame.remap_info = (remap_info_t **)Mem_Calloc( clgame.mempool, sizeof( remap_info_t* ) * clgame.maxRemapInfos );
 	}
 
-	ref.dllFuncs.R_ProcessEntData( true );
+	ref.dllFuncs.R_ProcessEntData( true, clgame.entities, clgame.maxEntities );
 }
 
 void CL_FreeEdicts( void )
 {
-	ref.dllFuncs.R_ProcessEntData( false );
+	ref.dllFuncs.R_ProcessEntData( false, NULL, 0 );
 
 	if( clgame.entities )
 		Mem_Free( clgame.entities );
@@ -1235,11 +1235,7 @@ static model_t *CL_LoadSpriteModel( const char *filename, uint type, uint texFla
 {
 	char	name[MAX_QPATH];
 	model_t	*mod;
-	int	i;
-
-	// use high indices for client sprites
-	// for GoldSrc bug-compatibility
-	const int start = type != SPR_HUDSPRITE ? MAX_CLIENT_SPRITES / 2 : 0;
+	int	i, start;
 
 	if( !COM_CheckString( filename ))
 	{
@@ -1250,7 +1246,7 @@ static model_t *CL_LoadSpriteModel( const char *filename, uint type, uint texFla
 	Q_strncpy( name, filename, sizeof( name ));
 	COM_FixSlashes( name );
 
-	for( i = 0, mod = clgame.sprites + start; i < MAX_CLIENT_SPRITES / 2; i++, mod++ )
+	for( i = 0, mod = clgame.sprites; i < MAX_CLIENT_SPRITES; i++, mod++ )
 	{
 		if( !Q_stricmp( mod->name, name ))
 		{
@@ -1267,8 +1263,15 @@ static model_t *CL_LoadSpriteModel( const char *filename, uint type, uint texFla
 	}
 
 	// find a free model slot spot
-	for( i = 0, mod = clgame.sprites + start; i < MAX_CLIENT_SPRITES / 2; i++, mod++ )
-		if( !mod->name[0] ) break; // this is a valid spot
+	// use low indices only for HUD sprites
+	// for GoldSrc bug compatibility
+	start = type == SPR_HUDSPRITE ? 0 : MAX_CLIENT_SPRITES / 2;
+
+	for( i = 0, mod = &clgame.sprites[start]; i < MAX_CLIENT_SPRITES / 2; i++, mod++ )
+	{
+		if( !mod->name[0] )
+			break; // this is a valid spot
+	}
 
 	if( i == MAX_CLIENT_SPRITES / 2 )
 	{
@@ -1320,9 +1323,10 @@ HSPRITE pfnSPR_LoadExt( const char *szPicName, uint texFlags )
 =========
 pfnSPR_Load
 
+function exported for support GoldSrc Monitor utility
 =========
 */
-static HSPRITE GAME_EXPORT pfnSPR_Load( const char *szPicName )
+HSPRITE EXPORT pfnSPR_Load( const char *szPicName )
 {
 	model_t	*spr;
 
@@ -1368,9 +1372,10 @@ static const model_t *CL_GetSpritePointer( HSPRITE hSprite )
 =========
 pfnSPR_Frames
 
+function exported for support GoldSrc Monitor utility
 =========
 */
-static int GAME_EXPORT pfnSPR_Frames( HSPRITE hPic )
+int EXPORT pfnSPR_Frames( HSPRITE hPic )
 {
 	int	numFrames = 0;
 
@@ -3336,6 +3341,9 @@ static void GAME_EXPORT NetAPI_SendRequest( int context, int request, int flags,
 	if( remote_address->type != NA_IPX && remote_address->type != NA_BROADCAST_IPX )
 		return; // IPX no longer support
 
+	if( request == NETAPI_REQUEST_SERVERLIST )
+		return; // no support for server list requests
+
 	// find a free request
 	for( i = 0; i < MAX_REQUESTS; i++ )
 	{
@@ -3372,28 +3380,9 @@ static void GAME_EXPORT NetAPI_SendRequest( int context, int request, int flags,
 	nr->resp.remote_address = *remote_address;
 	nr->flags = flags;
 
-	if( request == NETAPI_REQUEST_SERVERLIST )
-	{
-		char fullquery[512];
-		size_t len;
-
-		len = CL_BuildMasterServerScanRequest( fullquery, sizeof( fullquery ), false );
-
-		// make sure that port is specified
-		if( !nr->resp.remote_address.port )
-			nr->resp.remote_address.port = MSG_BigShort( PORT_MASTER );
-
-		// grab the list from the master server
-		NET_SendPacket( NS_CLIENT, len, fullquery, nr->resp.remote_address );
-		clgame.request_type = NET_REQUEST_CLIENT;
-		clgame.master_request = nr; // holds the master request unitl the master acking
-	}
-	else
-	{
-		// local servers request
-		Q_snprintf( req, sizeof( req ), "netinfo %i %i %i", PROTOCOL_VERSION, context, request );
-		Netchan_OutOfBandPrint( NS_CLIENT, nr->resp.remote_address, "%s", req );
-	}
+	// local servers request
+	Q_snprintf( req, sizeof( req ), "netinfo %i %i %i", PROTOCOL_VERSION, context, request );
+	Netchan_OutOfBandPrint( NS_CLIENT, nr->resp.remote_address, "%s", req );
 }
 
 /*
@@ -3421,13 +3410,6 @@ static void GAME_EXPORT NetAPI_CancelRequest( int context )
 				nr->pfnFunc( &nr->resp );
 			}
 
-			if( clgame.net_requests[i].resp.type == NETAPI_REQUEST_SERVERLIST && &clgame.net_requests[i] == clgame.master_request )
-			{
-				if( clgame.request_type == NET_REQUEST_CLIENT )
-					clgame.request_type = NET_REQUEST_CANCEL;
-				clgame.master_request = NULL;
-			}
-
 			memset( &clgame.net_requests[i], 0, sizeof( net_request_t ));
 			break;
 		}
@@ -3456,8 +3438,6 @@ void GAME_EXPORT NetAPI_CancelAllRequests( void )
 	}
 
 	memset( clgame.net_requests, 0, sizeof( clgame.net_requests ));
-	clgame.request_type = NET_REQUEST_CANCEL;
-	clgame.master_request = NULL;
 }
 
 /*

engine/client/cl_gameui.c

@@ -414,11 +414,15 @@ static void UI_ConvertGameInfo( GAMEINFO *out, gameinfo_t *in )
 	out->gamemode = in->gamemode;
 
 	if( in->nomodels )
-		out->flags |= GFL_NOMODELS;
+		SetBits( out->flags, GFL_NOMODELS );
 	if( in->noskills )
-		out->flags |= GFL_NOSKILLS;
+		SetBits( out->flags, GFL_NOSKILLS );
 	if( in->render_picbutton_text )
-		out->flags |= GFL_RENDER_PICBUTTON_TEXT;
+		SetBits( out->flags, GFL_RENDER_PICBUTTON_TEXT );
+	if( in->hd_background )
+		SetBits( out->flags, GFL_HD_BACKGROUND );
+	if( in->animated_title )
+		SetBits( out->flags, GFL_ANIMATED_TITLE );
 }
 
 /*
@@ -982,28 +986,21 @@ pfnCheckGameDll
 */
 int GAME_EXPORT pfnCheckGameDll( void )
 {
-	string dllpath;
-	void	*hInst;
-
-#if TARGET_OS_IPHONE
-	// loading server library drains too many ram
-	// so 512MB iPod Touch cannot even connect to
-	// to servers in cstrike
+#ifdef XASH_INTERNAL_GAMELIBS
 	return true;
-#endif
+#else
+	string dllpath;
 
 	if( svgame.hInstance )
 		return true;
 
 	COM_GetCommonLibraryPath( LIBRARY_SERVER, dllpath, sizeof( dllpath ));
 
-	if(( hInst = COM_LoadLibrary( dllpath, true, false )) != NULL )
-	{
-		COM_FreeLibrary( hInst ); // don't increase linker's reference counter
+	if( FS_FileExists( dllpath, false ))
 		return true;
-	}
-	Con_Reportf( S_WARN "Could not load server library: %s\n", COM_GetLibraryError() );
+
 	return false;
+#endif
 }
 
 /*

engine/client/cl_main.c

@@ -34,7 +34,7 @@ GNU General Public License for more details.
 CVAR_DEFINE_AUTO( mp_decals, "300", FCVAR_ARCHIVE, "decals limit in multiplayer" );
 CVAR_DEFINE_AUTO( dev_overview, "0", 0, "draw level in overview-mode" );
 CVAR_DEFINE_AUTO( cl_resend, "6.0", 0, "time to resend connect" );
-CVAR_DEFINE_AUTO( cl_allow_download, "1", FCVAR_ARCHIVE, "allow to downloading resources from the server" );
+CVAR_DEFINE( cl_allow_download, "cl_allowdownload", "1", FCVAR_ARCHIVE, "allow to downloading resources from the server" );
 CVAR_DEFINE_AUTO( cl_allow_upload, "1", FCVAR_ARCHIVE, "allow to uploading resources to the server" );
 CVAR_DEFINE_AUTO( cl_download_ingame, "1", FCVAR_ARCHIVE, "allow to downloading resources while client is active" );
 CVAR_DEFINE_AUTO( cl_logofile, "lambda", FCVAR_ARCHIVE, "player logo name" );
@@ -87,12 +87,13 @@ static CVAR_DEFINE_AUTO( model, "", FCVAR_USERINFO|FCVAR_ARCHIVE|FCVAR_FILTERABL
 static CVAR_DEFINE_AUTO( topcolor, "0", FCVAR_USERINFO|FCVAR_ARCHIVE|FCVAR_FILTERABLE, "player top color" );
 static CVAR_DEFINE_AUTO( bottomcolor, "0", FCVAR_USERINFO|FCVAR_ARCHIVE|FCVAR_FILTERABLE, "player bottom color" );
 CVAR_DEFINE_AUTO( rate, "3500", FCVAR_USERINFO|FCVAR_ARCHIVE|FCVAR_FILTERABLE, "player network rate" );
+static CVAR_DEFINE_AUTO( cl_maxframetime, "0", 0, "set deadline timer for client rendering to catch freezes" );
 
 client_t		cl;
 client_static_t	cls;
 clgame_static_t	clgame;
 
-void CL_InternetServers_f( void );
+static void CL_SendMasterServerScanRequest( void );
 
 //======================================================================
 int GAME_EXPORT CL_Active( void )
@@ -1081,7 +1082,7 @@ void CL_CheckForResend( void )
 	qboolean bandwidthTest;
 
 	if( cls.internetservers_wait )
-		CL_InternetServers_f();
+		CL_SendMasterServerScanRequest();
 
 	// if the local server is running and we aren't then connect
 	if( cls.state == ca_disconnected && SV_Active( ))
@@ -1574,10 +1575,10 @@ void CL_LocalServers_f( void )
 CL_BuildMasterServerScanRequest
 =================
 */
-size_t CL_BuildMasterServerScanRequest( char *buf, size_t size, qboolean nat )
+static size_t NONNULL CL_BuildMasterServerScanRequest( char *buf, size_t size, uint32_t *key, qboolean nat, const char *filter )
 {
 	size_t remaining;
-	char *info;
+	char *info, temp[32];
 
 	if( unlikely( size < sizeof( MS_SCAN_REQUEST )))
 		return 0;
@@ -1587,7 +1588,9 @@ size_t CL_BuildMasterServerScanRequest( char *buf, size_t size, qboolean nat )
 	info = buf + sizeof( MS_SCAN_REQUEST ) - 1;
 	remaining = size - sizeof( MS_SCAN_REQUEST );
 
-	info[0] = 0;
+	Q_strncpy( info, filter, remaining );
+
+	*key = COM_RandomLong( 0, 0x7FFFFFFF );
 
 #ifndef XASH_ALL_SERVERS
 	Info_SetValueForKey( info, "gamedir", GI->gamefolder, remaining );
@@ -1595,9 +1598,24 @@ size_t CL_BuildMasterServerScanRequest( char *buf, size_t size, qboolean nat )
 	Info_SetValueForKey( info, "clver", XASH_VERSION, remaining ); // let master know about client version
 	Info_SetValueForKey( info, "nat", nat ? "1" : "0", remaining );
 
+	Q_snprintf( temp, sizeof( temp ), "%x", *key );
+	Info_SetValueForKey( info, "key", temp, remaining );
+
 	return sizeof( MS_SCAN_REQUEST ) + Q_strlen( info );
 }
 
+/*
+=================
+CL_SendMasterServerScanRequest
+=================
+*/
+static void CL_SendMasterServerScanRequest( void )
+{
+	cls.internetservers_wait = NET_SendToMasters( NS_CLIENT,
+		cls.internetservers_query_len, cls.internetservers_query );
+	cls.internetservers_pending = true;
+}
+
 /*
 =================
 CL_InternetServers_f
@@ -1605,26 +1623,24 @@ CL_InternetServers_f
 */
 void CL_InternetServers_f( void )
 {
-	char	fullquery[512];
-	size_t len;
 	qboolean nat = cl_nat.value != 0.0f;
+	uint32_t key;
 
-	len = CL_BuildMasterServerScanRequest( fullquery, sizeof( fullquery ), nat );
+	if( Cmd_Argc( ) > 2 || ( Cmd_Argc( ) == 2 && !Info_IsValid( Cmd_Argv( 1 ))))
+	{
+		Con_Printf( S_USAGE "internetservers [filter]\n" );
+		return;
+	}
+
+	cls.internetservers_query_len = CL_BuildMasterServerScanRequest(
+		cls.internetservers_query, sizeof( cls.internetservers_query ),
+		&cls.internetservers_key, nat, Cmd_Argv( 1 ));
 
 	Con_Printf( "Scanning for servers on the internet area...\n" );
 
 	NET_Config( true, true ); // allow remote
 
-	cls.internetservers_wait = NET_SendToMasters( NS_CLIENT, len, fullquery );
-	cls.internetservers_pending = true;
-
-	if( !cls.internetservers_wait )
-	{
-		// now we clearing the vgui request
-		if( clgame.master_request != NULL )
-			memset( clgame.master_request, 0, sizeof( net_request_t ));
-		clgame.request_type = NET_REQUEST_GAMEUI;
-	}
+	CL_SendMasterServerScanRequest();
 }
 
 /*
@@ -2152,6 +2168,25 @@ void CL_ConnectionlessPacket( netadr_t from, sizebuf_t *msg )
 			return;
 		}
 
+		// check the extra header
+		if( MSG_ReadByte( msg ) == 0x7f )
+		{
+			uint32_t key = MSG_ReadDword( msg );
+
+			if( cls.internetservers_key != key )
+			{
+				Con_Printf( S_WARN "unexpected server list packet from %s (invalid key)\n", NET_AdrToString( from ));
+				return;
+			}
+
+			MSG_ReadByte( msg ); // reserved byte
+		}
+		else
+		{
+			Con_Printf( S_WARN "invalid server list packet from %s (missing extra header)\n", NET_AdrToString( from ));
+			return;
+		}
+
 		// serverlist got from masterserver
 		while( MSG_GetNumBitsLeft( msg ) > 8 )
 		{
@@ -2161,58 +2196,10 @@ void CL_ConnectionlessPacket( netadr_t from, sizebuf_t *msg )
 
 			// list is ends here
 			if( !servadr.port )
-			{
-				if( clgame.request_type == NET_REQUEST_CLIENT && clgame.master_request != NULL )
-				{
-					net_request_t	*nr = clgame.master_request;
-					net_adrlist_t	*list, **prev;
-
-					// setup the answer
-					nr->resp.remote_address = from;
-					nr->resp.error = NET_SUCCESS;
-					nr->resp.ping = host.realtime - nr->timesend;
-
-					if( nr->timeout <= host.realtime )
-						SetBits( nr->resp.error, NET_ERROR_TIMEOUT );
-
-					Con_Printf( "serverlist call: %s\n", NET_AdrToString( from ));
-					nr->pfnFunc( &nr->resp );
-
-					// throw the list, now it will be stored in user area
-					prev = (net_adrlist_t**)&nr->resp.response;
-
-					while( 1 )
-					{
-						list = *prev;
-						if( !list ) break;
-
-						// throw out any variables the game created
-						*prev = list->next;
-						Mem_Free( list );
-					}
-					memset( nr, 0, sizeof( *nr )); // done
-					clgame.request_type = NET_REQUEST_CANCEL;
-					clgame.master_request = NULL;
-				}
 				break;
-			}
 
-			if( clgame.request_type == NET_REQUEST_CLIENT && clgame.master_request != NULL )
-			{
-				net_request_t	*nr = clgame.master_request;
-				net_adrlist_t	*list;
-
-				// adding addresses into list
-				list = Z_Malloc( sizeof( *list ));
-				list->remote_address = servadr;
-				list->next = nr->resp.response;
-				nr->resp.response = list;
-			}
-			else if( clgame.request_type == NET_REQUEST_GAMEUI )
-			{
-				NET_Config( true, false ); // allow remote
-				Netchan_OutOfBandPrint( NS_CLIENT, servadr, "info %i", PROTOCOL_VERSION );
-			}
+			NET_Config( true, false ); // allow remote
+			Netchan_OutOfBandPrint( NS_CLIENT, servadr, "info %i", PROTOCOL_VERSION );
 		}
 
 		if( cls.internetservers_pending )
@@ -2261,10 +2248,13 @@ void CL_ReadNetMessage( void )
 
 	while( CL_GetMessage( net_message_buffer, &curSize ))
 	{
-		if( cls.legacymode && *((int *)&net_message_buffer) == 0xFFFFFFFE )
+		const int split_header = LittleLong( 0xFFFFFFFE );
+		if( cls.legacymode && !memcmp( &split_header, net_message_buffer, sizeof( split_header )))
+		{
 			// Will rewrite existing packet by merged
 			if( !NetSplit_GetLong( &cls.netchan.netsplit, &net_from, net_message_buffer, &curSize ) )
 				continue;
+		}
 
 		MSG_Init( &net_message, "ServerData", net_message_buffer, curSize );
 
@@ -2341,7 +2331,7 @@ void CL_ReadPackets( void )
 	// decide the simulation time
 	cl.oldtime = cl.time;
 
-	if( cls.demoplayback != DEMO_XASH3D && !cl.paused )
+	if( !cl.paused )
 		cl.time += host.frametime;
 
 	// demo time
@@ -2928,6 +2918,7 @@ void CL_InitLocal( void )
 	Cvar_RegisterVariable( &cl_showevents );
 	Cvar_Get( "lastdemo", "", FCVAR_ARCHIVE, "last played demo" );
 	Cvar_RegisterVariable( &ui_renderworld );
+	Cvar_RegisterVariable( &cl_maxframetime );
 
 	// these two added to shut up CS 1.5 about 'unknown' commands
 	Cvar_Get( "lightgamma", "1", FCVAR_ARCHIVE, "ambient lighting level (legacy, unused)" );
@@ -3068,6 +3059,8 @@ void Host_ClientFrame( void )
 {
 	// if client is not active, do nothing
 	if( !cls.initialized ) return;
+	if( cls.key_dest == key_game && cls.state == ca_active && !Con_Visible() )
+		Platform_SetTimer( cl_maxframetime.value );
 
 	// if running the server remotely, send intentions now after
 	// the incoming messages have been read

engine/client/cl_mobile.c

@@ -87,15 +87,6 @@ static int pfnDrawScaledCharacter( int x, int y, int number, int r, int g, int b
 	return CL_DrawCharacter( x, y, number, color, &g_scaled_font, flags );
 }
 
-static void *pfnGetNativeObject( const char *obj )
-{
-	if( !obj )
-		return NULL;
-
-	// Backend should consider that obj is case-sensitive
-	return Platform_GetNativeObject( obj );
-}
-
 static void pfnTouch_HideButtons( const char *name, byte state )
 {
 	Touch_HideButtons( name, state, true );
@@ -124,7 +115,7 @@ static mobile_engfuncs_t gpMobileEngfuncs =
 	Touch_ResetDefaultButtons,
 	pfnDrawScaledCharacter,
 	Sys_Warn,
-	pfnGetNativeObject,
+	Sys_GetNativeObject,
 	ID_SetCustomClientID,
 	pfnParseFileSafe
 };

engine/client/cl_parse.c

@@ -904,6 +904,10 @@ void CL_ParseServerData( sizebuf_t *msg, qboolean legacy )
 	background = MSG_ReadOneBit( msg );
 	Q_strncpy( gamefolder, MSG_ReadString( msg ), sizeof( gamefolder ));
 	host.features = (uint)MSG_ReadLong( msg );
+	host.features &= legacy ? ENGINE_LEGACY_FEATURES_MASK : ENGINE_FEATURES_MASK;
+
+	if( !Host_IsLocalGame( ))
+		Host_PrintEngineFeatures( host.features );
 
 	if( !legacy )
 	{
@@ -1534,7 +1538,8 @@ void CL_SendConsistencyInfo( sizebuf_t *msg )
 		{
 		case force_exactfile:
 			MD5_HashFile( md5, filename, NULL );
-			pc->value = *(int *)md5;
+			memcpy( &pc->value, md5, sizeof( pc->value ));
+			LittleLongSW( pc->value );
 
 			if( user_changed_diskfile )
 				MSG_WriteUBitLong( msg, 0, 32 );

engine/client/cl_parse_48.c

@@ -265,8 +265,18 @@ void CL_LegacyParseResourceList( sizebuf_t *msg )
 	}
 
 	if( CL_IsPlaybackDemo() )
-	{
 		return;
+
+	if( !cl_allow_download.value )
+	{
+		Con_DPrintf( "Refusing new resource, cl_allow_download set to 0\n" );
+		reslist.rescount = 0;
+	}
+
+	if( cls.state == ca_active && !cl_download_ingame.value )
+	{
+		Con_DPrintf( "Refusing new resource, cl_download_ingame set to 0\n" );
+		reslist.rescount = 0;
 	}
 
 	HTTP_ResetProcessState();

engine/client/cl_remap.c

@@ -78,7 +78,7 @@ CL_CreateRawTextureFromPixels
 Convert texture_t struct into mstudiotexture_t prototype
 ====================
 */
-byte *CL_CreateRawTextureFromPixels( texture_t *tx, size_t *size, int topcolor, int bottomcolor )
+static byte *CL_CreateRawTextureFromPixels( texture_t *tx, size_t *size, int topcolor, int bottomcolor )
 {
 	static mstudiotexture_t	pin;
 	byte			*pal;
@@ -111,7 +111,7 @@ CL_DuplicateTexture
 Dupliacte texture with remap pixels
 ====================
 */
-void CL_DuplicateTexture( cl_entity_t *entity, model_t *model, mstudiotexture_t *ptexture, int topcolor, int bottomcolor )
+static void CL_DuplicateTexture( cl_entity_t *entity, model_t *model, mstudiotexture_t *ptexture, int topcolor, int bottomcolor )
 {
 	const char *name;
 	texture_t		*tx = NULL;
@@ -154,7 +154,7 @@ CL_UpdateStudioTexture
 Update texture top and bottom colors
 ====================
 */
-void CL_UpdateStudioTexture( cl_entity_t *entity, mstudiotexture_t *ptexture, int topcolor, int bottomcolor )
+static void CL_UpdateStudioTexture( cl_entity_t *entity, mstudiotexture_t *ptexture, int topcolor, int bottomcolor )
 {
 	rgbdata_t		*pic;
 	texture_t		*tx = NULL;
@@ -215,7 +215,7 @@ CL_UpdateAliasTexture
 Update texture top and bottom colors
 ====================
 */
-void CL_UpdateAliasTexture( cl_entity_t *entity, unsigned short *texture, int skinnum, int topcolor, int bottomcolor )
+static void CL_UpdateAliasTexture( cl_entity_t *entity, unsigned short *texture, int skinnum, int topcolor, int bottomcolor )
 {
 	char	texname[MAX_QPATH];
 	rgbdata_t	skin, *pic;
@@ -247,6 +247,68 @@ void CL_UpdateAliasTexture( cl_entity_t *entity, unsigned short *texture, int sk
 	ref.dllFuncs.GL_ProcessTexture( *texture, -1.0f, topcolor, bottomcolor );
 }
 
+/*
+====================
+CL_FreeRemapInfo
+
+Release remap info per entity
+====================
+*/
+static void CL_FreeRemapInfo( remap_info_t *info )
+{
+	int	i;
+
+	Assert( info != NULL );
+
+	// release all colormap texture copies
+	for( i = 0; i < info->numtextures; i++ )
+	{
+		if( info->ptexture != NULL )
+		{
+			if( FBitSet( info->ptexture[i].flags, STUDIO_NF_COLORMAP ))
+				ref.dllFuncs.GL_FreeTexture( info->ptexture[i].index );
+		}
+
+		if( info->textures[i] != 0 )
+			ref.dllFuncs.GL_FreeTexture( info->textures[i] );
+	}
+
+	Mem_Free( info ); // release struct
+}
+
+/*
+====================
+CL_UpdateRemapInfo
+
+Update all remaps per entity
+====================
+*/
+static void CL_UpdateRemapInfo( cl_entity_t *entity, int topcolor, int bottomcolor )
+{
+	remap_info_t	*info;
+	int		i;
+
+	i = ( entity == &clgame.viewent ) ? clgame.maxEntities : entity->curstate.number;
+	info = clgame.remap_info[i];
+	if( !info ) return; // no remap info
+
+	if( info->topcolor == topcolor && info->bottomcolor == bottomcolor )
+		return; // values is valid
+
+	for( i = 0; i < info->numtextures; i++ )
+	{
+		if( info->ptexture != NULL )
+		{
+			if( FBitSet( info->ptexture[i].flags, STUDIO_NF_COLORMAP ))
+				CL_UpdateStudioTexture( entity, &info->ptexture[i], topcolor, bottomcolor );
+		}
+		else CL_UpdateAliasTexture( entity, &info->textures[i], i, topcolor, bottomcolor );
+	}
+
+	info->topcolor = topcolor;
+	info->bottomcolor = bottomcolor;
+}
+
 /*
 ====================
 CL_AllocRemapInfo
@@ -255,7 +317,7 @@ Allocate new remap info per entity
 and make copy of remap textures
 ====================
 */
-void CL_AllocRemapInfo( cl_entity_t *entity, model_t *model, int topcolor, int bottomcolor )
+static void CL_AllocRemapInfo( cl_entity_t *entity, model_t *model, int topcolor, int bottomcolor )
 {
 	remap_info_t	*info;
 	studiohdr_t	*phdr;
@@ -362,68 +424,6 @@ void CL_AllocRemapInfo( cl_entity_t *entity, model_t *model, int topcolor, int b
 	info->model = model;
 }
 
-/*
-====================
-CL_UpdateRemapInfo
-
-Update all remaps per entity
-====================
-*/
-void CL_UpdateRemapInfo( cl_entity_t *entity, int topcolor, int bottomcolor )
-{
-	remap_info_t	*info;
-	int		i;
-
-	i = ( entity == &clgame.viewent ) ? clgame.maxEntities : entity->curstate.number;
-	info = clgame.remap_info[i];
-	if( !info ) return; // no remap info
-
-	if( info->topcolor == topcolor && info->bottomcolor == bottomcolor )
-		return; // values is valid
-
-	for( i = 0; i < info->numtextures; i++ )
-	{
-		if( info->ptexture != NULL )
-		{
-			if( FBitSet( info->ptexture[i].flags, STUDIO_NF_COLORMAP ))
-				CL_UpdateStudioTexture( entity, &info->ptexture[i], topcolor, bottomcolor );
-		}
-		else CL_UpdateAliasTexture( entity, &info->textures[i], i, topcolor, bottomcolor );
-	}
-
-	info->topcolor = topcolor;
-	info->bottomcolor = bottomcolor;
-}
-
-/*
-====================
-CL_FreeRemapInfo
-
-Release remap info per entity
-====================
-*/
-void CL_FreeRemapInfo( remap_info_t *info )
-{
-	int	i;
-
-	Assert( info != NULL );
-
-	// release all colormap texture copies
-	for( i = 0; i < info->numtextures; i++ )
-	{
-		if( info->ptexture != NULL )
-		{
-			if( FBitSet( info->ptexture[i].flags, STUDIO_NF_COLORMAP ))
-				ref.dllFuncs.GL_FreeTexture( info->ptexture[i].index );
-		}
-
-		if( info->textures[i] != 0 )
-			ref.dllFuncs.GL_FreeTexture( info->textures[i] );
-	}
-
-	Mem_Free( info ); // release struct
-}
-
 /*
 ====================
 CL_ClearAllRemaps
@@ -446,3 +446,21 @@ void CL_ClearAllRemaps( void )
 	}
 	clgame.remap_info = NULL;
 }
+
+/*
+=============
+CL_EntitySetRemapColors
+=============
+*/
+qboolean CL_EntitySetRemapColors( cl_entity_t *e, model_t *mod, int top, int bottom )
+{
+	CL_AllocRemapInfo( e, mod, top, bottom );
+
+	if( CL_GetRemapInfoForEntity( e ))
+	{
+		CL_UpdateRemapInfo( e, top, bottom );
+		return true;
+	}
+
+	return false;
+}

engine/client/cl_render.c

@@ -207,6 +207,8 @@ intptr_t CL_RenderGetParm( const int parm, const int arg, const qboolean checkRe
 			return pfnNumberOfEntities();
 		case PARM_NUMMODELS:
 			return cl.nummodels;
+		case PARM_WORLD_VERSION:
+			return world.version;
 		}
 	}
 	return 0;

engine/client/cl_scrn.c

@@ -726,6 +726,7 @@ void SCR_VidInit( void )
 
 	// restart console size
 	Con_VidInit ();
+	Touch_NotifyResize();
 }
 
 /*

engine/client/cl_tent.c

@@ -2665,7 +2665,7 @@ void CL_UpdateFlashlight( cl_entity_t *ent )
 	// update flashlight endpos
 	dl = CL_AllocDlight( ent->index );
 #if 1
-	hit = CL_GetEntityByIndex( clgame.pmove->visents[trace.ent].info );
+	hit = CL_GetEntityByIndex( clgame.pmove->physents[trace.ent].info );
 	if( hit && hit->model && ( hit->model->type == mod_alias || hit->model->type == mod_studio ))
 		VectorCopy( hit->origin, dl->origin );
 	else VectorCopy( trace.endpos, dl->origin );

engine/client/cl_video.c

@@ -202,7 +202,6 @@ SCR_PlayCinematic
 */
 qboolean SCR_PlayCinematic( const char *arg )
 {
-	string		path;
 	const char	*fullpath;
 
 	fullpath = FS_GetDiskPath( arg, false );

engine/client/cl_view.c

@@ -549,5 +549,6 @@ void V_PostRender( void )
 
 	SCR_MakeScreenShot();
 	ref.dllFuncs.R_AllowFog( true );
+	Platform_SetTimer( 0.0f );
 	ref.dllFuncs.R_EndFrame();
 }

engine/client/client.h

@@ -423,13 +423,6 @@ typedef struct
 	float		applied_angle;
 } screen_shake_t;
 
-typedef enum
-{
-	NET_REQUEST_CANCEL = 0,	// request was cancelled for some reasons
-	NET_REQUEST_GAMEUI,		// called from GameUI
-	NET_REQUEST_CLIENT,		// called from Client
-} net_request_type_t;
-
 typedef struct
 {
 	net_response_t		resp;
@@ -491,9 +484,7 @@ typedef struct
 	client_textmessage_t *titles;			// title messages, not network messages
 	int		numTitles;
 
-	net_request_type_t	request_type;		// filter the requests
 	net_request_t	net_requests[MAX_REQUESTS];	// no reason to keep more
-	net_request_t	*master_request;		// queued master request
 
 	efrag_t		*free_efrags;		// linked efrags
 	cl_entity_t	viewent;			// viewmodel
@@ -627,7 +618,10 @@ typedef struct
 	file_t		*demofile;
 	file_t		*demoheader;		// contain demo startup info in case we record a demo on this level
 	qboolean internetservers_wait;	// internetservers is waiting for dns request
-	qboolean internetservers_pending;	// internetservers is waiting for dns request
+	qboolean internetservers_pending; // if true, clean master server pings
+	uint32_t internetservers_key;       // compare key to validate master server reply
+	char     internetservers_query[512]; // cached query
+	uint32_t internetservers_query_len;
 
 	// legacy mode support
 	qboolean legacymode;				// one-way 48 protocol compatibility
@@ -765,7 +759,6 @@ int CL_IsDevOverviewMode( void );
 void CL_PingServers_f( void );
 void CL_SignonReply( void );
 void CL_ClearState( void );
-size_t CL_BuildMasterServerScanRequest( char *buf, size_t size, qboolean nat );
 
 //
 // cl_demo.c
@@ -1003,9 +996,7 @@ void CL_EmitEntities( void );
 // cl_remap.c
 //
 remap_info_t *CL_GetRemapInfoForEntity( cl_entity_t *e );
-void CL_AllocRemapInfo( cl_entity_t *entity, model_t *model, int topcolor, int bottomcolor );
-void CL_FreeRemapInfo( remap_info_t *info );
-void CL_UpdateRemapInfo( cl_entity_t *ent, int topcolor, int bottomcolor );
+qboolean CL_EntitySetRemapColors( cl_entity_t *e, model_t *mod, int top, int bottom );
 void CL_ClearAllRemaps( void );
 
 //

engine/client/console.c

@@ -1983,7 +1983,7 @@ void Con_DrawConsole( void )
 
 	if( cls.state == ca_connecting || cls.state == ca_connected )
 	{
-		if( !cl_allow_levelshots.value )
+		if( !cl_allow_levelshots.value && !cls.timedemo )
 		{
 			if(( Cvar_VariableInteger( "cl_background" ) || Cvar_VariableInteger( "sv_background" )) && cls.key_dest != key_console )
 				con.vislines = con.showlines = 0;
@@ -1993,7 +1993,7 @@ void Con_DrawConsole( void )
 		{
 			con.showlines = 0;
 
-			if( host_developer.value >= DEV_EXTENDED )
+			if( host_developer.value >= DEV_EXTENDED && !cls.timedemo )
 				Con_DrawNotify(); // draw notify lines
 		}
 	}
@@ -2025,7 +2025,7 @@ void Con_DrawConsole( void )
 		{
 			if( con.vislines )
 				Con_DrawSolidConsole( con.vislines );
-			else if( cls.state == ca_active && ( cls.key_dest == key_game || cls.key_dest == key_message ))
+			else if( cls.state == ca_active && ( cls.key_dest == key_game || cls.key_dest == key_message ) && !cls.timedemo )
 				Con_DrawNotify(); // draw notify lines
 		}
 		break;

engine/client/in_touch.c

@@ -132,6 +132,8 @@ static struct touch_s
 	int whitetexture;
 	int joytexture; // touch indicator
 	qboolean configchanged;
+	float actual_aspect_ratio; // maximum aspect ratio from launch, or aspect ratio when entering editor
+	float config_aspect_ratio; // aspect ratio set by command from config or after entering editor
 } touch;
 
 // private to the engine flags
@@ -168,13 +170,42 @@ CVAR_DEFINE_AUTO( touch_emulate, "0", FCVAR_ARCHIVE | FCVAR_FILTERABLE, "emulate
 #define B(x) (button->x)
 #define SCR_W ((float)refState.width)
 #define SCR_H ((float)refState.height)
-#define TO_SCRN_Y(x) (refState.height * (x))
+#define TO_SCRN_Y(x) (refState.width * (x) * Touch_AspectRatio())
 #define TO_SCRN_X(x) (refState.width * (x))
 
 static void IN_TouchCheckCoords( float *x1, float *y1, float *x2, float *y2  );
 static void IN_TouchEditClear( void );
 static void Touch_InitConfig( void );
 
+void Touch_NotifyResize( void )
+{
+	if( refState.width && refState.height && ( !touch.configchanged || !touch.actual_aspect_ratio ))
+	{
+		float aspect_ratio = SCR_H/SCR_W;
+		if( aspect_ratio < 0.99 && aspect_ratio > touch.actual_aspect_ratio )
+			touch.actual_aspect_ratio = aspect_ratio;
+	}
+}
+
+static inline float Touch_AspectRatio( void )
+{
+	if( touch.config_aspect_ratio )
+		return touch.config_aspect_ratio;
+	else if( touch.actual_aspect_ratio )
+		return touch.actual_aspect_ratio;
+	else if( refState.width && refState.height )
+		return SCR_H/SCR_W;
+	else
+		return 9.0f / 16.0f;
+}
+
+
+static void Touch_ConfigAspectRatio_f( void )
+{
+	touch.config_aspect_ratio = Q_atof( Cmd_Argv( 1 ));
+}
+
+
 /*
 ==========================
 Touch_ExportButtonToConfig
@@ -206,7 +237,7 @@ static inline int Touch_ExportButtonToConfig( file_t *f, touch_button_t *button,
 
 	if( keepAspect )
 	{
-		float aspect = ( B(y2) - B(y1) ) / ( ( B(x2) - B(x1) ) /(SCR_H/SCR_W) );
+		float aspect = ( B(y2) - B(y1) ) / ( ( B(x2) - B(x1) ) /(Touch_AspectRatio()) );
 		FS_Printf( f, " %f\n", aspect );
 	}
 	else FS_Printf( f, "\n" );
@@ -271,6 +302,8 @@ qboolean Touch_DumpConfig( const char *name, const char *profilename )
 	FS_Printf( f, "touch_setclientonly 0\n" );
 	FS_Printf( f, "\n// touch buttons\n" );
 	FS_Printf( f, "touch_removeall\n" );
+	FS_Printf( f, "touch_aspectratio %f\n", Touch_AspectRatio());
+
 
 	for( button = touch.list_user.first; button; button = button->next )
 	{
@@ -376,7 +409,7 @@ static void Touch_GenerateCode_f( void )
 		if( FBitSet( flags, TOUCH_FL_DEF_HIDE ))
 			SetBits( flags, TOUCH_FL_HIDE );
 
-		aspect = ( B(y2) - B(y1) ) / ( ( B(x2) - B(x1) ) /(SCR_H/SCR_W) );
+		aspect = ( B(y2) - B(y1) ) / ( ( B(x2) - B(x1) ) /(Touch_AspectRatio()) );
 		if( memcmp( &c, &B(color), sizeof( rgba_t ) ) )
 		{
 			Con_Printf( "unsigned char color[] = { %d, %d, %d, %d };\n", B(color[0]), B(color[1]), B(color[2]), B(color[3]) );
@@ -549,6 +582,7 @@ static void Touch_RemoveAll_f( void )
 {
 	IN_TouchEditClear();
 	Touch_ClearList( &touch.list_user );
+	touch.config_aspect_ratio = 0.0f;
 }
 
 static void Touch_SetColor( touchbuttonlist_t *list, const char *name, byte *color )
@@ -726,6 +760,8 @@ static void Touch_SetCommand_f( void )
 	Con_Printf( S_USAGE "touch_setcommand <name> <command>\n" );
 }
 
+static void Touch_LoadDefaults_f( void );
+
 static void Touch_ReloadConfig_f( void )
 {
 	touch.state = state_none;
@@ -735,8 +771,15 @@ static void Touch_ReloadConfig_f( void )
 		touch.selection->finger = -1;
 	touch.edit = touch.selection = NULL;
 	touch.resize_finger = touch.move_finger = touch.look_finger = touch.wheel_finger = -1;
-
-	Cbuf_AddTextf( "exec %s\n", touch_config_file.string );
+	if( FS_FileExists( touch_config_file.string, true ) )
+	{
+		Cbuf_AddTextf( "exec \"%s\"\n", touch_config_file.string );
+	}
+	else
+	{
+		Touch_LoadDefaults_f();
+		touch.configchanged = true;
+	}
 }
 
 static touch_button_t *Touch_AddButton( touchbuttonlist_t *list,
@@ -784,7 +827,7 @@ void Touch_AddClientButton( const char *name, const char *texture, const char *c
 		IN_TouchCheckCoords( &x1, &y1, &x2, &y2 );
 	if( round == round_aspect )
 	{
-		y2 = y1 + ( x2 - x1 ) * (SCR_W/SCR_H) * aspect;
+		y2 = y1 + ( x2 - x1 ) / (Touch_AspectRatio()) * aspect;
 	}
 	button = Touch_AddButton( &touch.list_user, name, texture, command, x1, y1, x2, y2, color, true );
 	button->flags |= flags | TOUCH_FL_CLIENT | TOUCH_FL_NOEDIT;
@@ -809,7 +852,7 @@ static void Touch_LoadDefaults_f( void )
 			if( g_DefaultButtons[i].texturefile[0] == '#' )
 				y2 = y1 + ( (float)clgame.scrInfo.iCharHeight / (float)clgame.scrInfo.iHeight ) * g_DefaultButtons[i].aspect + touch.swidth*2/SCR_H;
 			else
-				y2 = y1 + ( x2 - x1 ) * (SCR_W/SCR_H) * g_DefaultButtons[i].aspect;
+				y2 = y1 + (( x2 - x1 ) / Touch_AspectRatio()) * g_DefaultButtons[i].aspect;
 		}
 
 		IN_TouchCheckCoords( &x1, &y1, &x2, &y2 );
@@ -817,6 +860,7 @@ static void Touch_LoadDefaults_f( void )
 		button->flags |= g_DefaultButtons[i].flags;
 		button->aspect = g_DefaultButtons[i].aspect;
 	}
+	touch.configchanged = true;
 }
 
 // Add default button from client
@@ -909,7 +953,7 @@ static void Touch_AddButton_f( void )
 		if( aspect )
 		{
 			if( B( texturefile )[0] != '#' )
-				B( y2 ) = B( y1 ) + ( B( x2 ) - B( x1 )) * ( SCR_W / SCR_H ) * aspect;
+				B( y2 ) = B( y1 ) + (( B( x2 ) - B( x1 )) / Touch_AspectRatio() ) * aspect;
 			B( aspect ) = aspect;
 		}
 	}
@@ -917,11 +961,39 @@ static void Touch_AddButton_f( void )
 
 static void Touch_EnableEdit_f( void )
 {
+	touch_button_t *button;
+	float current_ratio = SCR_H/SCR_W;
 	if( touch.state == state_none )
 		touch.state = state_edit;
 	touch.resize_finger = touch.move_finger = touch.look_finger = touch.wheel_finger = -1;
 	touch.move_button = NULL;
 	touch.configchanged = true;
+	/* try determine the best ratio
+	 * User enters editor. Window now have correct size. Need to fix aspect ratio in some cases */
+	// Case A: no config was loaded, touch was generated with lower height, but window was resized higher, reset it to actual size
+	if( touch.actual_aspect_ratio > current_ratio )
+		touch.actual_aspect_ratio = current_ratio;
+	if( !touch.config_aspect_ratio )
+		touch.config_aspect_ratio = touch.actual_aspect_ratio;
+	// Case B: config was loaded, but window may be resized later, so keep y coordinate as is
+	touch.actual_aspect_ratio = current_ratio;
+	// convert coordinates to actual aspect ratio after it was updated
+	if( touch.config_aspect_ratio != touch.actual_aspect_ratio )
+	{
+		for( button = touch.list_user.first; button; button = button->next )
+		{
+			B(y1) /= touch.actual_aspect_ratio / touch.config_aspect_ratio;
+			B(y2) /= touch.actual_aspect_ratio / touch.config_aspect_ratio;
+
+			// clamp positions to make buttons visible by user
+			if( B(y2) > 1.0f )
+			{
+				B(y1) -= B(y2) - 1.0f;
+				B(y2) -= B(y2) - 1.0f;
+			}
+		}
+		touch.config_aspect_ratio = touch.actual_aspect_ratio;
+	}
 }
 
 static void Touch_DisableEdit_f( void )
@@ -956,7 +1028,7 @@ static void Touch_DeleteProfile_f( void )
 
 static void Touch_InitEditor( void )
 {
-	float x = 0.1f * (SCR_H/SCR_W);
+	float x = 0.1f * (Touch_AspectRatio());
 	float y = 0.05f;
 	touch_button_t *temp;
 	rgba_t color;
@@ -1051,6 +1123,7 @@ void Touch_Init( void )
 	Cmd_AddRestrictedCommand( "touch_generate_code", Touch_GenerateCode_f, "create code sample for mobility API" );
 	Cmd_AddCommand( "touch_fade", Touch_Fade_f, "start fade animation for selected buttons" );
 	Cmd_AddRestrictedCommand( "touch_toggleselection", Touch_ToggleSelection_f, "toggle vidibility on selected button in editor" );
+	Cmd_AddRestrictedCommand( "touch_aspectratio", Touch_ConfigAspectRatio_f, "set current aspect ratio" );
 
 	// not saved, just runtime state for scripting
 	Cvar_RegisterVariable( &touch_in_menu );
@@ -1087,7 +1160,7 @@ void Touch_Init( void )
 #if SDL_VERSION_ATLEAST( 2, 0, 10 )
 	SDL_SetHint( SDL_HINT_MOUSE_TOUCH_EVENTS, "0" );
 	SDL_SetHint( SDL_HINT_TOUCH_MOUSE_EVENTS, "0" );
-#else
+#elif defined(SDL_HINT_ANDROID_SEPARATE_MOUSE_AND_TOUCH)
 	SDL_SetHint( SDL_HINT_ANDROID_SEPARATE_MOUSE_AND_TOUCH, "1" );
 #endif
 
@@ -1170,9 +1243,9 @@ static void Touch_DrawTexture ( float x1, float y1, float x2, float y2, int text
 }
 
 #define GRID_COUNT_X ((int)touch_grid_count.value)
-#define GRID_COUNT_Y (((int)touch_grid_count.value) * SCR_H / SCR_W)
+#define GRID_COUNT_Y (((int)touch_grid_count.value) * Touch_AspectRatio())
 #define GRID_X (1.0f/GRID_COUNT_X)
-#define GRID_Y (SCR_W/SCR_H/GRID_COUNT_X)
+#define GRID_Y (1.0f/Touch_AspectRatio()/GRID_COUNT_X)
 #define GRID_ROUND_X(x) ((float)round( x * GRID_COUNT_X ) / GRID_COUNT_X)
 #define GRID_ROUND_Y(x) ((float)round( x * GRID_COUNT_Y ) / GRID_COUNT_Y)
 
@@ -1250,7 +1323,7 @@ static float Touch_DrawText( float x1, float y1, float x2, float y2, const char
 	{
 		while( *s && ( *s != '\n' ) && ( *s != ';' ) && ( x1 < maxx ) )
 			x1 += Touch_DrawCharacter( x1, y1, *s++, size );
-		y1 += cls.creditsFont.charHeight / 1024.f * size / SCR_H * SCR_W;
+		y1 += cls.creditsFont.charHeight / 1024.f * size / Touch_AspectRatio();
 
 		if( y1 >= maxy )
 			break;
@@ -1357,11 +1430,12 @@ void Touch_Draw( void )
 	if( !touch.initialized || ( !touch_enable.value && !touch.clientonly ))
 		return;
 
-	Touch_InitConfig();
-
 	if( cls.key_dest != key_game && !touch_in_menu.value )
 		return;
 
+	Touch_InitConfig();
+
+
 	ref.dllFuncs.GL_SetRenderMode( kRenderTransTexture );
 
 	if( touch.state >= state_edit && touch_grid_enable.value )
@@ -1948,6 +2022,8 @@ static int Touch_ControlsEvent( touchEventType type, int fingerID, float x, floa
 
 int IN_TouchEvent( touchEventType type, int fingerID, float x, float y, float dx, float dy )
 {
+	y *= SCR_H/SCR_W/Touch_AspectRatio();
+//	Con_Printf("%f %f\n", TO_SCRN_X(x), TO_SCRN_Y(y));
 	// simulate menu mouse click
 	if( cls.key_dest != key_game && !touch_in_menu.value )
 	{

engine/client/input.c

@@ -192,6 +192,10 @@ void IN_ToggleClientMouse( int newstate, int oldstate )
 #endif
 	}
 
+	// don't leave the user without cursor if they enabled m_ignore
+	if( m_ignore.value )
+		return;
+
 	if( oldstate == key_game )
 	{
 		IN_DeactivateMouse();
@@ -212,6 +216,9 @@ void IN_CheckMouseState( qboolean active )
 	qboolean useRawInput = true; // always use SDL code
 #endif
 
+	if( m_ignore.value )
+		return;
+
 	if( active && useRawInput && !host.mouse_visible && cls.state == ca_active )
 	{
 		if( !s_bRawInput )

engine/client/input.h

@@ -75,6 +75,7 @@ void Touch_ResetDefaultButtons( void );
 int IN_TouchEvent( touchEventType type, int fingerID, float x, float y, float dx, float dy );
 void Touch_KeyEvent( int key, int down );
 qboolean Touch_WantVisibleCursor( void );
+void Touch_NotifyResize( void );
 
 //
 // in_joy.c

engine/client/mod_dbghulls.c

@@ -659,7 +659,7 @@ static void make_hull_windings( hull_t *hull, hull_model_t *model )
 	Con_Reportf( "%i hull polys\n", model->num_polys );
 }
 
-void Mod_InitDebugHulls( void )
+void Mod_InitDebugHulls( model_t *loadmodel )
 {
 	int	i;
 

engine/client/ref_common.c

@@ -16,6 +16,7 @@ CVAR_DEFINE_AUTO( gl_msaa_samples, "0", FCVAR_GLCONFIG, "samples number for mult
 CVAR_DEFINE_AUTO( gl_clear, "0", FCVAR_ARCHIVE, "clearing screen after each frame" );
 CVAR_DEFINE_AUTO( r_showtree, "0", FCVAR_ARCHIVE, "build the graph of visible BSP tree" );
 static CVAR_DEFINE_AUTO( r_refdll, "", FCVAR_RENDERINFO, "choose renderer implementation, if supported" );
+static CVAR_DEFINE_AUTO( r_refdll_loaded, "", FCVAR_READ_ONLY, "currently loaded renderer" );
 
 void R_GetTextureParms( int *w, int *h, int texnum )
 {
@@ -98,24 +99,14 @@ static void *pfnMod_Extradata( int type, model_t *m )
 	return NULL;
 }
 
-static model_t *pfnMod_GetCurrentLoadingModel( void )
-{
-	return loadmodel;
-}
-
-static void pfnMod_SetCurrentLoadingModel( model_t *m )
-{
-	loadmodel = m;
-}
-
 static void pfnGetPredictedOrigin( vec3_t v )
 {
 	VectorCopy( cl.simorg, v );
 }
 
-static color24 *pfnCL_GetPaletteColor( int color ) // clgame.palette[color]
+static color24 *pfnCL_GetPaletteColor( void ) // clgame.palette[color]
 {
-	return &clgame.palette[color];
+	return clgame.palette;
 }
 
 static void pfnCL_GetScreenInfo( int *width, int *height ) // clgame.scrInfo, ptrs may be NULL
@@ -167,11 +158,6 @@ static int pfnGetStudioModelInterface( int version, struct r_studio_interface_s
 		0;
 }
 
-static poolhandle_t pfnImage_GetPool( void )
-{
-	return host.imagepool;
-}
-
 static const bpc_desc_t *pfnImage_GetPFDesc( int idx )
 {
 	return &PFDesc[idx];
@@ -221,6 +207,11 @@ static qboolean R_Init_Video_( const int type )
 	return R_Init_Video( type );
 }
 
+static model_t **pfnGetModels( void )
+{
+	return cl.models;
+}
+
 static ref_api_t gEngfuncs =
 {
 	pfnEngineGetParm,
@@ -255,9 +246,7 @@ static ref_api_t gEngfuncs =
 	Con_DrawString,
 	CL_DrawCenterPrint,
 
-	CL_GetLocalPlayer,
 	CL_GetViewModel,
-	CL_GetEntityByIndex,
 	R_BeamGetEntity,
 	CL_GetWaterEntity,
 	CL_AddVisibleEntity,
@@ -281,14 +270,10 @@ static ref_api_t gEngfuncs =
 
 	Mod_ForName,
 	pfnMod_Extradata,
-	CL_ModelHandle,
-	pfnMod_GetCurrentLoadingModel,
-	pfnMod_SetCurrentLoadingModel,
+	pfnGetModels,
 
+	CL_EntitySetRemapColors,
 	CL_GetRemapInfoForEntity,
-	CL_AllocRemapInfo,
-	CL_FreeRemapInfo,
-	CL_UpdateRemapInfo,
 
 	CL_ExtraUpdate,
 	Host_Error,
@@ -296,7 +281,6 @@ static ref_api_t gEngfuncs =
 	COM_RandomFloat,
 	COM_RandomLong,
 	pfnRefGetScreenFade,
-	CL_TextMessageGet,
 	pfnGetPredictedOrigin,
 	pfnCL_GetPaletteColor,
 	pfnCL_GetScreenInfo,
@@ -360,7 +344,6 @@ static ref_api_t gEngfuncs =
 	FS_CopyImage,
 	FS_FreeImage,
 	Image_SetMDLPointer,
-	pfnImage_GetPool,
 	pfnImage_GetPFDesc,
 
 	pfnDrawNormalTriangles,
@@ -442,7 +425,7 @@ static qboolean R_LoadProgs( const char *name )
 	// make local copy of engfuncs to prevent overwrite it with user dll
 	memcpy( &gpEngfuncs, &gEngfuncs, sizeof( gpEngfuncs ));
 
-	if( !GetRefAPI( REF_API_VERSION, &ref.dllFuncs, &gpEngfuncs, &refState ))
+	if( GetRefAPI( REF_API_VERSION, &ref.dllFuncs, &gpEngfuncs, &refState ) != REF_API_VERSION )
 	{
 		COM_FreeLibrary( ref.hInstance );
 		Con_Reportf( "R_LoadProgs: can't init renderer API: wrong version\n" );
@@ -531,6 +514,7 @@ static qboolean R_LoadRenderer( const char *refopt )
 		return false;
 	}
 
+	Cvar_FullSet( "r_refdll_loaded", refopt, FCVAR_READ_ONLY );
 	Con_Reportf( "Renderer %s initialized\n", refdll );
 
 	return true;
@@ -579,6 +563,9 @@ static void R_CollectRendererNames( void )
 #if XASH_REF_GL4ES_ENABLED
 		"gl4es",
 #endif
+#if XASH_REF_GLES3COMPAT_ENABLED
+		"gles3compat",
+#endif
 #if XASH_REF_SOFT_ENABLED
 		"soft",
 #endif
@@ -599,6 +586,9 @@ static void R_CollectRendererNames( void )
 #if XASH_REF_GL4ES_ENABLED
 		"GL4ES",
 #endif
+#if XASH_REF_GLES3COMPAT_ENABLED
+		"GLES3 (gl2_shim)"
+#endif
 #if XASH_REF_SOFT_ENABLED
 		"Software",
 #endif
@@ -622,6 +612,7 @@ qboolean R_Init( void )
 	Cvar_RegisterVariable( &gl_clear );
 	Cvar_RegisterVariable( &r_showtree );
 	Cvar_RegisterVariable( &r_refdll );
+	Cvar_RegisterVariable( &r_refdll_loaded );
 
 	// cvars that are expected to exist
 	Cvar_Get( "r_speeds", "0", FCVAR_ARCHIVE, "shows renderer speeds" );

engine/common/common.h

@@ -381,6 +381,7 @@ typedef void (*xcommand_t)( void );
 qboolean FS_LoadProgs( void );
 void FS_Init( void );
 void FS_Shutdown( void );
+void *FS_GetNativeObject( const char *obj );
 
 //
 // cmd.c
@@ -421,8 +422,8 @@ void Cmd_Escape( char *newCommand, const char *oldCommand, int len );
 // zone.c
 //
 void Memory_Init( void );
-void *_Mem_Realloc( poolhandle_t poolptr, void *memptr, size_t size, qboolean clear, const char *filename, int fileline );
-void *_Mem_Alloc( poolhandle_t poolptr, size_t size, qboolean clear, const char *filename, int fileline );
+void *_Mem_Realloc( poolhandle_t poolptr, void *memptr, size_t size, qboolean clear, const char *filename, int fileline ) ALLOC_CHECK( 3 );
+void *_Mem_Alloc( poolhandle_t poolptr, size_t size, qboolean clear, const char *filename, int fileline ) ALLOC_CHECK( 2 );
 poolhandle_t _Mem_AllocPool( const char *name, const char *filename, int fileline );
 void _Mem_FreePool( poolhandle_t *poolptr, const char *filename, int fileline );
 void _Mem_EmptyPool( poolhandle_t poolptr, const char *filename, int fileline );
@@ -551,7 +552,7 @@ qboolean Host_IsLocalGame( void );
 qboolean Host_IsLocalClient( void );
 void Host_ShutdownServer( void );
 void Host_Error( const char *error, ... ) _format( 1 );
-void Host_PrintEngineFeatures( void );
+void Host_PrintEngineFeatures( int features );
 void Host_Frame( float time );
 void Host_InitDecals( void );
 void Host_Credits( void );
@@ -747,8 +748,6 @@ void SV_ShutdownGame( void );
 void SV_ExecLoadLevel( void );
 void SV_ExecLoadGame( void );
 void SV_ExecChangeLevel( void );
-qboolean SV_InitGameProgs( void );
-void SV_FreeGameProgs( void );
 void CL_WriteMessageHistory( void );
 void CL_SendCmd( void );
 void CL_Disconnect( void );
@@ -794,7 +793,7 @@ void VID_Init( void );
 void UI_SetActiveMenu( qboolean fActive );
 void UI_ShowConnectionWarning( void );
 void Cmd_Null_f( void );
-void Rcon_Print( const char *pMsg );
+void Rcon_Print( host_redirect_t *rd, const char *pMsg );
 qboolean COM_ParseVector( char **pfile, float *v, size_t size );
 void COM_NormalizeAngles( vec3_t angles );
 int COM_FileSize( const char *filename );

engine/common/con_utils.c

@@ -1423,15 +1423,11 @@ save serverinfo variables into server.cfg (using for dedicated server too)
 */
 void GAME_EXPORT Host_WriteServerConfig( const char *name )
 {
-	qboolean already_loaded;
 	file_t	*f;
 	string newconfigfile;
 
 	Q_snprintf( newconfigfile, MAX_STRING, "%s.new", name );
 
-	// TODO: remove this mechanism, make it safer for now
-	already_loaded = SV_InitGameProgs();	// collect user variables
-
 	// FIXME: move this out until menu parser is done
 	CSCR_LoadDefaultCVars( "settings.scr" );
 
@@ -1448,10 +1444,6 @@ void GAME_EXPORT Host_WriteServerConfig( const char *name )
 		Host_FinalizeConfig( f, name );
 	}
 	else Con_DPrintf( S_ERROR "Couldn't write %s.\n", name );
-
-	// don't unload library that wasn't loaded by us
-	if( !already_loaded )
-		SV_FreeGameProgs();	// release progs with all variables
 }
 
 /*

engine/common/crashhandler.c

@@ -320,7 +320,9 @@ void Sys_RestoreCrashHandler( void )
 
 #elif XASH_FREEBSD || XASH_NETBSD || XASH_OPENBSD || XASH_ANDROID || XASH_LINUX
 // Posix signal handler
+#ifndef XASH_OPENBSD
 #include <ucontext.h>
+#endif
 #include <signal.h>
 #include <sys/mman.h>
 #include "library.h"
@@ -488,7 +490,7 @@ static void Sys_Crash( int signal, siginfo_t *si, void *context)
 #ifdef XASH_SDL
 	SDL_SetWindowGrab( host.hWnd, SDL_FALSE );
 #endif
-	MSGBOX( message );
+	Platform_MessageBox( "Xash Error", message, false );
 
 	// log saved, now we can try to save configs and close log correctly, it may crash
 	if( host.type == HOST_NORMAL )

engine/common/cvar.c

@@ -1136,8 +1136,6 @@ As Cvar_Set, but also flags it as glconfig
 */
 void Cvar_SetGL_f( void )
 {
-	convar_t *var;
-
 	if( Cmd_Argc() != 3 )
 	{
 		Con_Printf( S_USAGE "setgl <variable> <value>\n" );

engine/common/filesystem_engine.c

@@ -23,8 +23,17 @@ GNU General Public License for more details.
 fs_api_t g_fsapi;
 fs_globals_t *FI;
 
+static pfnCreateInterface_t fs_pfnCreateInterface;
 static HINSTANCE fs_hInstance;
 
+void *FS_GetNativeObject( const char *obj )
+{
+	if( fs_pfnCreateInterface )
+		return fs_pfnCreateInterface( obj, NULL );
+
+	return NULL;
+}
+
 static void FS_Rescan_f( void )
 {
 	FS_Rescan();
@@ -53,7 +62,7 @@ static fs_interface_t fs_memfuncs =
 	_Mem_Realloc,
 	_Mem_Free,
 
-	Platform_GetNativeObject,
+	Sys_GetNativeObject,
 };
 
 static void FS_UnloadProgs( void )
@@ -98,6 +107,13 @@ qboolean FS_LoadProgs( void )
 		return false;
 	}
 
+	if( !( fs_pfnCreateInterface = (pfnCreateInterface_t)COM_GetProcAddress( fs_hInstance, "CreateInterface" )))
+	{
+		FS_UnloadProgs();
+		Host_Error( "FS_LoadProgs: can't find CreateInterface entry point in %s\n", name );
+		return false;
+	}
+
 	Con_DPrintf( "FS_LoadProgs: filesystem_stdio successfully loaded\n" );
 
 	return true;

engine/common/host.c

@@ -33,6 +33,7 @@ GNU General Public License for more details.
 #include "common.h"
 #include "base_cmd.h"
 #include "client.h"
+#include "server.h"
 #include "netchan.h"
 #include "protocol.h"
 #include "mod_local.h"
@@ -51,7 +52,7 @@ struct tests_stats_s tests_stats;
 #endif
 
 CVAR_DEFINE( host_developer, "developer", "0", FCVAR_FILTERABLE, "engine is in development-mode" );
-CVAR_DEFINE_AUTO( sys_timescale, "1.0", FCVAR_CHEAT|FCVAR_FILTERABLE, "scale frame time" );
+CVAR_DEFINE_AUTO( sys_timescale, "1.0", FCVAR_FILTERABLE, "scale frame time" );
 CVAR_DEFINE_AUTO( sys_ticrate, "100", 0, "framerate in dedicated mode" );
 
 static CVAR_DEFINE_AUTO( host_serverstate, "0", FCVAR_READ_ONLY, "displays current server state" );
@@ -61,6 +62,7 @@ CVAR_DEFINE_AUTO( host_limitlocal, "0", 0, "apply cl_cmdrate and rate to loopbac
 CVAR_DEFINE( host_maxfps, "fps_max", "72", FCVAR_ARCHIVE|FCVAR_FILTERABLE, "host fps upper limit" );
 static CVAR_DEFINE_AUTO( host_framerate, "0", FCVAR_FILTERABLE, "locks frame timing to this value in seconds" );
 static CVAR_DEFINE( host_sleeptime, "sleeptime", "1", FCVAR_ARCHIVE|FCVAR_FILTERABLE, "milliseconds to sleep for each frame. higher values reduce fps accuracy" );
+static CVAR_DEFINE_AUTO( host_sleeptime_debug, "0", 0, "print sleeps between frames" );
 CVAR_DEFINE( con_gamemaps, "con_mapfilter", "1", FCVAR_ARCHIVE, "when true show only maps in game folder" );
 
 void Sys_PrintUsage( void )
@@ -127,6 +129,7 @@ void Sys_PrintUsage( void )
 	O("-noenginejoy     ", "disable engine builtin joystick support")
 	O("-noenginemouse   ", "disable engine builtin mouse support")
 	O("-nosound         ", "disable sound output")
+	O("-timedemo        ", "run timedemo and exit")
 #endif
 
 "\nPlatform-specific options:\n"
@@ -137,7 +140,7 @@ void Sys_PrintUsage( void )
 	O("-sdl_joy_old_api ","use SDL legacy joystick API")
 	O("-sdl_renderer <n>","use alternative SDL_Renderer for software")
 #endif // XASH_SDL
-#if XASH_ANDROID
+#if XASH_ANDROID && !XASH_SDL
 	O("-nativeegl       ","use native egl implementation. Use if screen does not update or black")
 #endif // XASH_ANDROID
 #if XASH_DOS
@@ -187,22 +190,27 @@ void Host_ShutdownServer( void )
 Host_PrintEngineFeatures
 ================
 */
-void Host_PrintEngineFeatures( void )
+void Host_PrintEngineFeatures( int features )
 {
-	if( FBitSet( host.features, ENGINE_WRITE_LARGE_COORD ))
-		Con_Reportf( "^3EXT:^7 big world support enabled\n" );
+	const char *features_str[] =
+	{
+		"Big World Support",
+		"Quake Compatibility",
+		"Deluxemap Support",
+		"Improved MOVETYPE_PUSH",
+		"Large Lightmaps",
+		"Stupid Quake Bug Compensation",
+		"Improved Trace Line",
+		"Studio MOVETYPE_STEP Lerping",
+		"Linear Gamma Space"
+	};
+	int i;
 
-	if( FBitSet( host.features, ENGINE_LOAD_DELUXEDATA ))
-		Con_Reportf( "^3EXT:^7 deluxemap support enabled\n" );
-
-	if( FBitSet( host.features, ENGINE_PHYSICS_PUSHER_EXT ))
-		Con_Reportf( "^3EXT:^7 Improved MOVETYPE_PUSH is used\n" );
-
-	if( FBitSet( host.features, ENGINE_LARGE_LIGHTMAPS ))
-		Con_Reportf( "^3EXT:^7 Large lightmaps enabled\n" );
-
-	if( FBitSet( host.features, ENGINE_COMPENSATE_QUAKE_BUG ))
-		Con_Reportf( "^3EXT:^7 Compensate quake bug enabled\n" );
+	for( i = 0; i < ARRAYSIZE( features_str ); i++ )
+	{
+		if( FBitSet( features, BIT( i )))
+			Con_Reportf( "^3EXT:^7 %s is enabled\n", features_str[i] );
+	}
 }
 
 /*
@@ -616,6 +624,84 @@ double Host_CalcFPS( void )
 	return fps;
 }
 
+static qboolean Host_Autosleep( double dt, double scale )
+{
+	double targetframetime, fps;
+	int sleep;
+
+	fps = Host_CalcFPS();
+
+	if( fps <= 0 )
+		return true;
+
+	// limit fps to withing tolerable range
+	fps = bound( MIN_FPS, fps, MAX_FPS );
+
+	if( Host_IsDedicated( ))
+		targetframetime = ( 1.0 / ( fps + 1.0 ));
+	else targetframetime = ( 1.0 / fps );
+
+	sleep = Host_CalcSleep();
+	if( sleep == 0 ) // no sleeps between frames, much simpler code
+	{
+		if( dt < targetframetime * scale )
+			return false;
+	}
+	else
+	{
+		static double timewindow; // allocate a time window for sleeps
+		static int counter; // for debug
+		static double realsleeptime;
+		const double sleeptime = sleep * 0.001;
+
+		if( dt < targetframetime * scale )
+		{
+			// if we have allocated time window, try to sleep
+			if( timewindow > realsleeptime )
+			{
+				// Sys_Sleep isn't guaranteed to sleep an exact amount of milliseconds
+				// so we measure the real sleep time and use it to decrease the window
+				double t1 = Sys_DoubleTime(), t2;
+				Sys_Sleep( sleep ); // in msec!
+				t2 = Sys_DoubleTime();
+				realsleeptime = t2 - t1;
+
+				timewindow -= realsleeptime;
+
+				if( host_sleeptime_debug.value )
+				{
+					counter++;
+
+					Con_NPrintf( counter, "%d: %.4f %.4f", counter, timewindow, realsleeptime );
+				}
+			}
+
+			return false;
+		}
+
+		// if we exhausted this time window, allocate a new one after new frame
+		if( timewindow <= realsleeptime )
+		{
+			double targetsleeptime = targetframetime - host.pureframetime * 2;
+
+			if( targetsleeptime > 0 )
+				timewindow = targetsleeptime;
+			else timewindow = 0;
+
+			realsleeptime = sleeptime; // reset in case CPU was too busy
+
+			if( host_sleeptime_debug.value )
+			{
+				counter = 0;
+
+				Con_NPrintf( 0, "tgt = %.4f, pft = %.4f, wnd = %.4f", targetframetime, host.pureframetime, timewindow );
+			}
+		}
+	}
+
+	return true;
+}
+
 /*
 ===================
 Host_FilterTime
@@ -626,55 +712,15 @@ Returns false if the time is too short to run a frame
 qboolean Host_FilterTime( float time )
 {
 	static double	oldtime;
-	double fps, scale = sys_timescale.value;
+	double dt;
+	double scale = sys_timescale.value;
 
 	host.realtime += time * scale;
-	fps = Host_CalcFPS();
+	dt = host.realtime - oldtime;
 
 	// clamp the fps in multiplayer games
-	if( fps != 0.0 )
-	{
-		static int sleeps;
-		double targetframetime;
-		int sleeptime = Host_CalcSleep();
-
-		// limit fps to withing tolerable range
-		fps = bound( MIN_FPS, fps, MAX_FPS );
-
-		if( Host_IsDedicated( ))
-			targetframetime = ( 1.0 / ( fps + 1.0 ));
-		else targetframetime = ( 1.0 / fps );
-
-		if(( host.realtime - oldtime ) < targetframetime * scale )
-		{
-			if( sleeptime > 0 && sleeps > 0 )
-			{
-				Sys_Sleep( sleeptime );
-				sleeps--;
-			}
-
-			return false;
-		}
-
-		if( sleeptime > 0 && sleeps <= 0 )
-		{
-			if( host.status == HOST_FRAME )
-			{
-				// give few sleeps this frame with small margin
-				double targetsleeptime = targetframetime - host.pureframetime * 2;
-
-				// don't sleep if we can't keep up with the framerate
-				if( targetsleeptime > 0 )
-					sleeps = targetsleeptime / ( sleeptime * 0.001 );
-				else sleeps = 0;
-			}
-			else
-			{
-				// always sleep at least once in minimized/nofocus state
-				sleeps = 1;
-			}
-		}
-	}
+	if( !Host_Autosleep( dt, scale ))
+		return false;
 
 	host.frametime = host.realtime - oldtime;
 	host.realframetime = bound( MIN_FRAMETIME, host.frametime, MAX_FRAMETIME );
@@ -754,7 +800,7 @@ void GAME_EXPORT Host_Error( const char *error, ... )
 			Key_SetKeyDest( key_console );
 			Con_Printf( "Host_Error: %s", hosterror1 );
 		}
-		else MSGBOX2( hosterror1 );
+		else Platform_MessageBox( "Host Error", hosterror1, true );
 	}
 
 	// host is shutting down. don't invoke infinite loop
@@ -1016,21 +1062,31 @@ void Host_InitCommon( int argc, char **argv, const char *progname, qboolean bCha
 	else
 	{
 #if TARGET_OS_IOS
-		const char *IOS_GetDocsDir();
-		Q_strncpy( host.rootdir, IOS_GetDocsDir(), sizeof(host.rootdir) );
+		Q_strncpy( host.rootdir, IOS_GetDocsDir(), sizeof( host.rootdir ));
+#elif XASH_ANDROID && XASH_SDL
+		Q_strncpy( host.rootdir, SDL_AndroidGetExternalStoragePath(), sizeof( host.rootdir ));
 #elif XASH_PSVITA
-		if ( !PSVita_GetBasePath( host.rootdir, sizeof( host.rootdir ) ) )
+		if ( !PSVita_GetBasePath( host.rootdir, sizeof( host.rootdir )))
 		{
 			Sys_Error( "couldn't find xash3d data directory" );
 			host.rootdir[0] = 0;
 		}
 #elif (XASH_SDL == 2) && !XASH_NSWITCH // GetBasePath not impl'd in switch-sdl2
-		char *szBasePath;
-
-		if( !( szBasePath = SDL_GetBasePath() ) )
+		char *szBasePath = SDL_GetBasePath();
+		if( szBasePath )
+		{
+			Q_strncpy( host.rootdir, szBasePath, sizeof( host.rootdir ));
+			SDL_free( szBasePath );
+		}
+		else
+		{
+#if XASH_POSIX || XASH_WIN32
+			if( !getcwd( host.rootdir, sizeof( host.rootdir )))
+				Sys_Error( "couldn't determine current directory: %s, getcwd: %s", SDL_GetError(), strerror( errno ));
+#else
 			Sys_Error( "couldn't determine current directory: %s", SDL_GetError() );
-		Q_strncpy( host.rootdir, szBasePath, sizeof( host.rootdir ));
-		SDL_free( szBasePath );
+#endif
+		}
 #else
 		if( !getcwd( host.rootdir, sizeof( host.rootdir )))
 		{
@@ -1149,6 +1205,7 @@ Host_Main
 int EXPORT Host_Main( int argc, char **argv, const char *progname, int bChangeGame, pfnChangeGame func )
 {
 	static double	oldtime, newtime;
+	string demoname;
 
 	host.starttime = Sys_DoubleTime();
 
@@ -1168,6 +1225,7 @@ int EXPORT Host_Main( int argc, char **argv, const char *progname, int bChangeGa
 	Cvar_RegisterVariable( &host_maxfps );
 	Cvar_RegisterVariable( &host_framerate );
 	Cvar_RegisterVariable( &host_sleeptime );
+	Cvar_RegisterVariable( &host_sleeptime_debug );
 	Cvar_RegisterVariable( &host_gameloaded );
 	Cvar_RegisterVariable( &host_clientloaded );
 	Cvar_RegisterVariable( &host_limitlocal );
@@ -1245,6 +1303,9 @@ int EXPORT Host_Main( int argc, char **argv, const char *progname, int bChangeGa
 	Cbuf_ExecStuffCmds();	// execute stuffcmds (commandline)
 	SCR_CheckStartupVids();	// must be last
 
+	if( Sys_GetParmFromCmdLine( "-timedemo", demoname ))
+		Cbuf_AddTextf( "timedemo %s\n", demoname );
+
 	oldtime = Sys_DoubleTime() - 0.1;
 
 	if( Host_IsDedicated( ))
@@ -1293,6 +1354,7 @@ void EXPORT Host_Shutdown( void )
 #endif
 
 	SV_Shutdown( "Server shutdown\n" );
+	SV_UnloadProgs();
 	SV_ShutdownFilter();
 	CL_Shutdown();
 

engine/common/imagelib/imagelib.h

@@ -142,6 +142,7 @@ void Image_CopyPalette32bit( void );
 void Image_SetPixelFormat( void );
 void Image_GetPaletteQ1( void );
 void Image_GetPaletteHL( void );
+size_t Image_ComputeSize( int type, int width, int height, int depth );
 
 //
 // formats load
@@ -156,6 +157,7 @@ qboolean Image_LoadDDS( const char *name, const byte *buffer, fs_offset_t filesi
 qboolean Image_LoadFNT( const char *name, const byte *buffer, fs_offset_t filesize );
 qboolean Image_LoadLMP( const char *name, const byte *buffer, fs_offset_t filesize );
 qboolean Image_LoadPAL( const char *name, const byte *buffer, fs_offset_t filesize );
+qboolean Image_LoadKTX2( const char *name, const byte *buffer, fs_offset_t filesize );
 
 //
 // formats save

engine/common/imagelib/img_dds.c

@@ -104,6 +104,13 @@ void Image_DXTGetPixelFormat( dds_t *hdr, dds_header_dxt10_t *headerExt )
 		{
 			switch( headerExt->dxgiFormat )
 			{
+			case DXGI_FORMAT_BC4_TYPELESS:
+			case DXGI_FORMAT_BC4_UNORM:
+				image.type = PF_BC4_UNSIGNED;
+				break;
+			case DXGI_FORMAT_BC4_SNORM:
+				image.type = PF_BC4_SIGNED;
+				break;
 			case DXGI_FORMAT_BC6H_SF16:
 				image.type = PF_BC6H_SIGNED;
 				break;
@@ -112,9 +119,20 @@ void Image_DXTGetPixelFormat( dds_t *hdr, dds_header_dxt10_t *headerExt )
 				image.type = PF_BC6H_UNSIGNED;
 				break;
 			case DXGI_FORMAT_BC7_UNORM:
-			case DXGI_FORMAT_BC7_UNORM_SRGB:
 			case DXGI_FORMAT_BC7_TYPELESS:
-				image.type = PF_BC7;
+				image.type = PF_BC7_UNORM;
+				break;
+			case DXGI_FORMAT_BC7_UNORM_SRGB:
+				image.type = PF_BC7_SRGB;
+				break;
+			case DXGI_FORMAT_BC5_TYPELESS:
+				image.type = PF_ATI2;
+				break;
+			case DXGI_FORMAT_BC5_UNORM:
+				image.type = PF_BC5_UNSIGNED;
+				break;
+			case DXGI_FORMAT_BC5_SNORM:
+				image.type = PF_BC5_SIGNED;
 				break;
 			default:
 				image.type = PF_UNKNOWN;
@@ -122,7 +140,7 @@ void Image_DXTGetPixelFormat( dds_t *hdr, dds_header_dxt10_t *headerExt )
 			}
 		}
 		else
-		{ 
+		{
 			switch( hdr->dsPixelFormat.dwFourCC )
 			{
 			case TYPE_DXT1:
@@ -143,6 +161,15 @@ void Image_DXTGetPixelFormat( dds_t *hdr, dds_header_dxt10_t *headerExt )
 			case TYPE_ATI2:
 				image.type = PF_ATI2;
 				break;
+			case TYPE_BC5S:
+				image.type = PF_BC5_SIGNED;
+				break;
+			case TYPE_BC4S:
+				image.type = PF_BC4_SIGNED;
+				break;
+			case TYPE_BC4U:
+				image.type = PF_BC4_UNSIGNED;
+				break;
 			default:
 				image.type = PF_UNKNOWN; // assume error
 				break;
@@ -188,27 +215,6 @@ void Image_DXTGetPixelFormat( dds_t *hdr, dds_header_dxt10_t *headerExt )
 		image.num_mips = hdr->dwMipMapCount; // get actual mip count
 }
 
-size_t Image_DXTGetLinearSize( int type, int width, int height, int depth )
-{
-	switch( type )
-	{
-	case PF_DXT1: return ((( width + 3 ) / 4 ) * (( height + 3 ) / 4 ) * depth * 8 );
-	case PF_DXT3:
-	case PF_DXT5:
-	case PF_BC6H_SIGNED:
-	case PF_BC6H_UNSIGNED:
-	case PF_BC7:
-	case PF_ATI2: return ((( width + 3 ) / 4 ) * (( height + 3 ) / 4 ) * depth * 16 );
-	case PF_LUMINANCE: return (width * height * depth);
-	case PF_BGR_24:
-	case PF_RGB_24: return (width * height * depth * 3);
-	case PF_BGRA_32:
-	case PF_RGBA_32: return (width * height * depth * 4);
-	}
-
-	return 0;
-}
-
 size_t Image_DXTCalcMipmapSize( dds_t *hdr )
 {
 	size_t	buffsize = 0;
@@ -219,7 +225,7 @@ size_t Image_DXTCalcMipmapSize( dds_t *hdr )
 	{
 		width = Q_max( 1, ( hdr->dwWidth >> i ));
 		height = Q_max( 1, ( hdr->dwHeight >> i ));
-		buffsize += Image_DXTGetLinearSize( image.type, width, height, image.depth );
+		buffsize += Image_ComputeSize( image.type, width, height, image.depth );
 	}
 
 	return buffsize;
@@ -255,7 +261,7 @@ uint Image_DXTCalcSize( const char *name, dds_t *hdr, size_t filesize )
 
 	if( filesize != buffsize ) // main check
 	{
-		Con_DPrintf( S_WARN "Image_LoadDDS: (%s) probably corrupted (%i should be %lu)\n", name, buffsize, filesize );
+		Con_DPrintf( S_WARN "Image_LoadDDS: (%s) probably corrupted (%zu should be %lu)\n", name, buffsize, filesize );
 		if( buffsize > filesize )
 			return false;
 	}
@@ -268,7 +274,7 @@ void Image_DXTAdjustVolume( dds_t *hdr )
 	if( hdr->dwDepth <= 1 )
 		return;
 
-	hdr->dwLinearSize = Image_DXTGetLinearSize( image.type, hdr->dwWidth, hdr->dwHeight, hdr->dwDepth );
+	hdr->dwLinearSize = Image_ComputeSize( image.type, hdr->dwWidth, hdr->dwHeight, hdr->dwDepth );
 	hdr->dwFlags |= DDS_LINEARSIZE;
 }
 
@@ -323,7 +329,7 @@ qboolean Image_LoadDDS( const char *name, const byte *buffer, fs_offset_t filesi
 	Image_DXTGetPixelFormat( &header, &header2 ); // and image type too :)
 	Image_DXTAdjustVolume( &header );
 
-	if( !Image_CheckFlag( IL_DDS_HARDWARE ) && ImageDXT( image.type ))
+	if( !Image_CheckFlag( IL_DDS_HARDWARE ) && ImageCompressed( image.type ))
 		return false; // silently rejected
 
 	if( image.type == PF_UNKNOWN )
@@ -356,8 +362,10 @@ qboolean Image_LoadDDS( const char *name, const byte *buffer, fs_offset_t filesi
 			SetBits( image.flags, IMAGE_HAS_ALPHA );
 		else if( image.type == PF_DXT5 && Image_CheckDXT5Alpha( &header, fin ))
 			SetBits( image.flags, IMAGE_HAS_ALPHA );
-		else if ( image.type == PF_BC7 )
-			SetBits(image.flags, IMAGE_HAS_ALPHA);
+		else if( image.type == PF_BC5_SIGNED || image.type == PF_BC5_UNSIGNED )
+			SetBits( image.flags, IMAGE_HAS_ALPHA );
+		else if( image.type == PF_BC7_UNORM || image.type == PF_BC7_SRGB )
+			SetBits( image.flags, IMAGE_HAS_ALPHA );
 		if( !FBitSet( header.dsPixelFormat.dwFlags, DDS_LUMINANCE ))
 			SetBits( image.flags, IMAGE_HAS_COLOR );
 		break;

engine/common/imagelib/img_dds.h

@@ -32,6 +32,9 @@ GNU General Public License for more details.
 #define TYPE_DX10	(('0'<<24)+('1'<<16)+('X'<<8)+'D') // little-endian "DX10"
 #define TYPE_ATI1	(('1'<<24)+('I'<<16)+('T'<<8)+'A') // little-endian "ATI1"
 #define TYPE_ATI2	(('2'<<24)+('I'<<16)+('T'<<8)+'A') // little-endian "ATI2"
+#define TYPE_BC5S	(('S'<<24)+('5'<<16)+('C'<<8)+'B') // little-endian "BC5S"
+#define TYPE_BC4S	(('S'<<24)+('4'<<16)+('C'<<8)+'B') // little-endian "BC4S"
+#define TYPE_BC4U	(('U'<<24)+('4'<<16)+('C'<<8)+'B') // little-endian "BC4U"
 #define TYPE_RXGB	(('B'<<24)+('G'<<16)+('X'<<8)+'R') // little-endian "RXGB" doom3 normalmaps
 #define TYPE_$	(('\0'<<24)+('\0'<<16)+('\0'<<8)+'$') // little-endian "$"
 #define TYPE_o	(('\0'<<24)+('\0'<<16)+('\0'<<8)+'o') // little-endian "o"
@@ -202,7 +205,7 @@ typedef enum
 	DXGI_FORMAT_FORCE_UINT = 0xffffffff
 } dxgi_format_t;
 
-typedef enum 
+typedef enum
 {
 	D3D10_RESOURCE_DIMENSION_UNKNOWN = 0,
 	D3D10_RESOURCE_DIMENSION_BUFFER = 1,

engine/common/imagelib/img_ktx2.c

@@ -0,0 +1,210 @@
+/*
+img_ktx2.c - ktx2 format load
+Copyright (C) 2023 Provod
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+*/
+
+#include "imagelib.h"
+#include "xash3d_mathlib.h"
+#include "img_ktx2.h"
+
+static void Image_KTX2Format( uint32_t ktx2_format )
+{
+	switch( ktx2_format )
+	{
+		case KTX2_FORMAT_BC4_UNORM_BLOCK:
+			image.type = PF_BC4_UNSIGNED;
+			// 1 component for ref_gl
+			break;
+		case KTX2_FORMAT_BC4_SNORM_BLOCK:
+			image.type = PF_BC4_SIGNED;
+			// 1 component for ref_gl
+			break;
+		case KTX2_FORMAT_BC5_UNORM_BLOCK:
+			image.type = PF_BC5_UNSIGNED;
+			// 2 components for ref_gl
+			SetBits( image.flags, IMAGE_HAS_ALPHA );
+			break;
+		case KTX2_FORMAT_BC5_SNORM_BLOCK:
+			image.type = PF_BC5_SIGNED;
+			// 2 components for ref_gl
+			SetBits( image.flags, IMAGE_HAS_ALPHA );
+			break;
+		case KTX2_FORMAT_BC6H_UFLOAT_BLOCK:
+			image.type = PF_BC6H_UNSIGNED;
+			// 3 components for ref_gl
+			SetBits( image.flags, IMAGE_HAS_COLOR );
+			break;
+		case KTX2_FORMAT_BC6H_SFLOAT_BLOCK:
+			image.type = PF_BC6H_SIGNED;
+			// 3 components for ref_gl
+			SetBits( image.flags, IMAGE_HAS_COLOR );
+			break;
+		case KTX2_FORMAT_BC7_UNORM_BLOCK:
+			image.type = PF_BC7_UNORM;
+			// 4 components for ref_gl
+			SetBits( image.flags, IMAGE_HAS_COLOR | IMAGE_HAS_ALPHA );
+			break;
+		case KTX2_FORMAT_BC7_SRGB_BLOCK:
+			image.type = PF_BC7_SRGB;
+			// 4 components for ref_gl
+			SetBits( image.flags, IMAGE_HAS_COLOR | IMAGE_HAS_ALPHA );
+			break;
+		default:
+			image.type = PF_UNKNOWN;
+			break;
+	}
+}
+
+static qboolean Image_KTX2Parse( const ktx2_header_t *header, const byte *buffer, fs_offset_t filesize )
+{
+	ktx2_index_t index;
+	size_t total_size = 0;
+	size_t max_offset = 0;
+	const byte *const levels_begin = buffer + KTX2_LEVELS_OFFSET;
+
+	// Sets image.type and image.flags
+	Image_KTX2Format( header->vkFormat );
+
+	if( image.type == PF_UNKNOWN )
+	{
+		Con_DPrintf( S_ERROR "%s: unsupported KTX2 format %d\n", __FUNCTION__, header->vkFormat );
+		return false;
+	}
+
+	if( !Image_CheckFlag( IL_DDS_HARDWARE ) && ImageCompressed( image.type ))
+	{
+		Con_DPrintf( S_WARN "%s: has compressed format, but support is not advertized\n", __FUNCTION__ );
+		return false;
+	}
+
+	if( header->levelCount == 0 )
+	{
+		Con_DPrintf( S_ERROR "%s: file has no mip levels\n", __FUNCTION__ );
+		return false;
+	}
+
+	if( header->pixelDepth > 1 )
+	{
+		Con_DPrintf( S_ERROR "%s: unsupported KTX2 pixelDepth %d\n", __FUNCTION__, header->pixelDepth );
+		return false;
+	}
+
+	if( header->faceCount > 1 )
+	{
+		Con_DPrintf( S_ERROR "%s: unsupported KTX2 faceCount %d\n", __FUNCTION__, header->faceCount );
+		return false;
+	}
+
+	if( header->layerCount > 1 )
+	{
+		Con_DPrintf( S_ERROR "%s: unsupported KTX2 layerCount %d\n", __FUNCTION__, header->layerCount );
+		return false;
+	}
+
+	if( header->supercompressionScheme != 0 )
+	{
+		Con_DPrintf( S_ERROR "%s: unsupported KTX2 supercompressionScheme %d\n", __FUNCTION__, header->supercompressionScheme );
+		return false;
+	}
+
+	if( header->levelCount * sizeof( ktx2_level_t ) + KTX2_LEVELS_OFFSET > filesize )
+	{
+		Con_DPrintf( S_ERROR "%s: file abruptly ends\n", __FUNCTION__ );
+		return false;
+	}
+
+	memcpy( &index, buffer + KTX2_IDENTIFIER_SIZE + sizeof( ktx2_header_t ), sizeof( index ));
+
+	for( int mip = 0; mip < header->levelCount; ++mip )
+	{
+		const uint32_t width = Q_max( 1, ( header->pixelWidth >> mip ));
+		const uint32_t height = Q_max( 1, ( header->pixelHeight >> mip ));
+		const uint32_t mip_size = Image_ComputeSize( image.type, width, height, image.depth );
+
+		ktx2_level_t level;
+		memcpy( &level, levels_begin + mip * sizeof( level ), sizeof( level ));
+
+		if( mip_size != level.byteLength )
+		{
+			Con_DPrintf( S_ERROR "%s: mip=%d size mismatch read=%d, but computed=%d\n",
+				__FUNCTION__, mip, (int)level.byteLength, mip_size );
+			return false;
+		}
+
+		total_size += level.byteLength;
+		max_offset = Q_max( max_offset, level.byteLength + level.byteOffset );
+	}
+
+	if( max_offset > filesize )
+		return false;
+
+	image.size = total_size;
+	image.num_mips = header->levelCount;
+
+	image.rgba = Mem_Malloc( host.imagepool, image.size );
+	memcpy( image.rgba, buffer, image.size );
+
+	for( int mip = 0, cursor = 0; mip < header->levelCount; ++mip )
+	{
+		ktx2_level_t level;
+		memcpy( &level, levels_begin + mip * sizeof( level ), sizeof( level ));
+		memcpy( image.rgba + cursor, buffer + level.byteOffset, level.byteLength );
+		cursor += level.byteLength;
+	}
+
+	return true;
+}
+
+qboolean Image_LoadKTX2( const char *name, const byte *buffer, fs_offset_t filesize )
+{
+	ktx2_header_t header;
+
+	if( filesize < KTX2_MINIMAL_HEADER_SIZE )
+		return false;
+
+	if( memcmp( buffer, KTX2_IDENTIFIER, KTX2_IDENTIFIER_SIZE ) != 0 )
+	{
+		Con_DPrintf( S_ERROR "%s: (%s) has invalid identifier\n", __FUNCTION__, name );
+		return false;
+	}
+
+	memcpy( &header, buffer + KTX2_IDENTIFIER_SIZE, sizeof( header ));
+
+	image.width = header.pixelWidth;
+	image.height = header.pixelHeight;
+	image.depth = Q_max( 1, header.pixelDepth );
+	image.num_mips = 1;
+
+	ClearBits( image.flags, IMAGE_HAS_COLOR | IMAGE_HAS_ALPHA | IMAGE_HAS_LUMA );
+
+	if( !Image_KTX2Parse( &header, buffer, filesize ))
+	{
+		if( !Image_CheckFlag( IL_KTX2_RAW ))
+			return false;
+
+		// If KTX2 to imagelib conversion failed, try passing the file as raw data.
+		// This is useful for ref_vk which can directly support hundreds of formats which we don't convert to pixformat_t here
+
+		Con_DPrintf( S_WARN "%s: (%s) could not be converted to supported imagelib format, passing as raw KTX2 data\n", __FUNCTION__, name );
+		// This is a catch-all for ref_vk, which can do this format directly and natively
+		image.type = PF_KTX2_RAW;
+
+		image.size = filesize;
+		//image.encode = TODO custom encode type?
+
+		image.rgba = Mem_Malloc( host.imagepool, image.size );
+		memcpy( image.rgba, buffer, image.size );
+	}
+
+	return true;
+}

engine/common/imagelib/img_ktx2.h

@@ -0,0 +1,79 @@
+/*
+img_ktx2.h - ktx2 format reference
+Copyright (C) 2023 Provod
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+*/
+#ifndef IMG_KTX2_H
+#define IMG_KTX2_H
+
+#include <stdint.h>
+
+#define KTX2_IDENTIFIER_SIZE 12
+#define KTX2_IDENTIFIER "\xABKTX 20\xBB\r\n\x1A\n"
+
+/*
+static const char k_ktx2_identifier[KTX2_IDENTIFIER_SIZE] =
+{
+  '\xAB', 'K', 'T', 'X', ' ', '2', '0', '\xBB', '\r', '\n', '\x1A', '\n'
+};
+*/
+
+typedef struct
+{
+	uint32_t vkFormat;
+	uint32_t typeSize;
+	uint32_t pixelWidth;
+	uint32_t pixelHeight;
+	uint32_t pixelDepth;
+	uint32_t layerCount;
+	uint32_t faceCount;
+	uint32_t levelCount;
+	uint32_t supercompressionScheme;
+} ktx2_header_t;
+
+typedef struct
+{
+	uint32_t dfdByteOffset;
+	uint32_t dfdByteLength;
+	uint32_t kvdByteOffset;
+	uint32_t kvdByteLength;
+	uint64_t sgdByteOffset;
+	uint64_t sgdByteLength;
+} ktx2_index_t;
+
+typedef struct
+{
+	uint64_t byteOffset;
+	uint64_t byteLength;
+	uint64_t uncompressedByteLength;
+} ktx2_level_t;
+
+#define KTX2_LEVELS_OFFSET ( KTX2_IDENTIFIER_SIZE + sizeof( ktx2_header_t ) + sizeof( ktx2_index_t ))
+
+#define KTX2_MINIMAL_HEADER_SIZE ( KTX2_LEVELS_OFFSET + sizeof( ktx2_level_t ))
+
+// These have the same values as enum VkFormat in vulkan_core.h
+// There are hundreds of formats which can be contained in KTX2.
+// Below are listed the ones which are supported here. This list can be extended.
+typedef enum
+{
+	KTX2_FORMAT_BC4_UNORM_BLOCK = 139,
+	KTX2_FORMAT_BC4_SNORM_BLOCK = 140,
+	KTX2_FORMAT_BC5_UNORM_BLOCK = 141,
+	KTX2_FORMAT_BC5_SNORM_BLOCK = 142,
+	KTX2_FORMAT_BC6H_UFLOAT_BLOCK = 143,
+	KTX2_FORMAT_BC6H_SFLOAT_BLOCK = 144,
+	KTX2_FORMAT_BC7_UNORM_BLOCK = 145,
+	KTX2_FORMAT_BC7_SRGB_BLOCK = 146,
+} ktx2_format_t;
+
+#endif // IMG_KTX2_H

engine/common/imagelib/img_utils.c

@@ -105,6 +105,7 @@ static const loadpixformat_t load_game[] =
 { "%s%s.%s", "lmp", Image_LoadLMP, IL_HINT_NO },	// hl menu images (cached.wad etc)
 { "%s%s.%s", "fnt", Image_LoadFNT, IL_HINT_HL },	// hl console font (fonts.wad etc)
 { "%s%s.%s", "pal", Image_LoadPAL, IL_HINT_NO },	// install studio\sprite palette
+{ "%s%s.%s", "ktx2", Image_LoadKTX2, IL_HINT_NO },	// ktx2 for world and studio models
 { NULL, NULL, NULL, IL_HINT_NO }
 };
 
@@ -283,8 +284,10 @@ int Image_ComparePalette( const byte *pal )
 void Image_SetPalette( const byte *pal, uint *d_table )
 {
 	byte	rgba[4];
+	uint uirgba; // TODO: palette looks byte-swapped on big-endian
 	int	i;
 
+
 	// setup palette
 	switch( image.d_rendermode )
 	{
@@ -295,7 +298,8 @@ void Image_SetPalette( const byte *pal, uint *d_table )
 			rgba[1] = pal[i*3+1];
 			rgba[2] = pal[i*3+2];
 			rgba[3] = 0xFF;
-			d_table[i] = *(uint *)rgba;
+			memcpy( &uirgba, rgba, sizeof( uirgba ));
+			d_table[i] = uirgba;
 		}
 		break;
 	case LUMP_GRADIENT:
@@ -305,7 +309,8 @@ void Image_SetPalette( const byte *pal, uint *d_table )
 			rgba[1] = pal[766];
 			rgba[2] = pal[767];
 			rgba[3] = i;
-			d_table[i] = *(uint *)rgba;
+			memcpy( &uirgba, rgba, sizeof( uirgba ));
+			d_table[i] = uirgba;
 		}
 		break;
 	case LUMP_MASKED:
@@ -315,7 +320,8 @@ void Image_SetPalette( const byte *pal, uint *d_table )
 			rgba[1] = pal[i*3+1];
 			rgba[2] = pal[i*3+2];
 			rgba[3] = 0xFF;
-			d_table[i] = *(uint *)rgba;
+			memcpy( &uirgba, rgba, sizeof( uirgba ));
+			d_table[i] = uirgba;
 		}
 		d_table[255] = 0;
 		break;
@@ -326,7 +332,8 @@ void Image_SetPalette( const byte *pal, uint *d_table )
 			rgba[1] = pal[i*4+1];
 			rgba[2] = pal[i*4+2];
 			rgba[3] = pal[i*4+3];
-			d_table[i] = *(uint *)rgba;
+			memcpy( &uirgba, rgba, sizeof( uirgba ));
+			d_table[i] = uirgba;
 		}
 		break;
 	}
@@ -1446,3 +1453,36 @@ qboolean Image_Process(rgbdata_t **pix, int width, int height, uint flags, float
 
 	return result;
 }
+
+// This codebase has too many copies of this function:
+// - ref_gl has one
+// - ref_vk has one
+// - ref_soft has one
+// - many more places probably have one too
+// TODO figure out how to make it available for ref_*
+size_t Image_ComputeSize( int type, int width, int height, int depth )
+{
+	switch( type )
+	{
+	case PF_DXT1:
+	case PF_BC4_SIGNED:
+	case PF_BC4_UNSIGNED:
+		return ((( width + 3 ) / 4 ) * (( height + 3 ) / 4 ) * depth * 8 );
+	case PF_DXT3:
+	case PF_DXT5:
+	case PF_ATI2:
+	case PF_BC5_UNSIGNED:
+	case PF_BC5_SIGNED:
+	case PF_BC6H_SIGNED:
+	case PF_BC6H_UNSIGNED:
+	case PF_BC7_UNORM:
+	case PF_BC7_SRGB: return ((( width + 3 ) / 4 ) * (( height + 3 ) / 4 ) * depth * 16 );
+	case PF_LUMINANCE: return ( width * height * depth );
+	case PF_BGR_24:
+	case PF_RGB_24: return ( width * height * depth * 3 );
+	case PF_BGRA_32:
+	case PF_RGBA_32: return ( width * height * depth * 4 );
+	}
+
+	return 0;
+}

engine/common/launcher.c

@@ -23,15 +23,6 @@ GNU General Public License for more details.
 
 #if XASH_EMSCRIPTEN
 #include <emscripten.h>
-#elif XASH_WIN32
-extern "C"
-{
-// Enable NVIDIA High Performance Graphics while using Integrated Graphics.
-__declspec(dllexport) DWORD NvOptimusEnablement = 0x00000001;
-
-// Enable AMD High Performance Graphics while using Integrated Graphics.
-__declspec(dllexport) int AmdPowerXpressRequestHighPerformance = 1;
-}
 #endif
 
 #define E_GAME	"XASH3D_GAME" // default env dir to start from
@@ -39,6 +30,10 @@ __declspec(dllexport) int AmdPowerXpressRequestHighPerformance = 1;
 #define XASH_GAMEDIR	"valve"
 #endif
 
+#if XASH_WIN32
+#error "Single-binary or dedicated builds aren't supported for Windows!"
+#endif
+
 static char        szGameDir[128]; // safe place to keep gamedir
 static int         szArgc;
 static char        **szArgv;
@@ -47,7 +42,7 @@ static void Sys_ChangeGame( const char *progname )
 {
 	// a1ba: may never be called within engine
 	// if platform supports execv() function
-	Q_strncpy( szGameDir, progname, sizeof( szGameDir ) - 1 );
+	Q_strncpy( szGameDir, progname, sizeof( szGameDir ));
 	Host_Shutdown( );
 	exit( Host_Main( szArgc, szArgv, szGameDir, 1, &Sys_ChangeGame ) );
 }
@@ -88,7 +83,6 @@ _inline int Sys_Start( void )
 	return ret;
 }
 
-#if !XASH_WIN32
 int main( int argc, char **argv )
 {
 #if XASH_PSVITA
@@ -100,36 +94,4 @@ int main( int argc, char **argv )
 #endif // XASH_PSVITA
 	return Sys_Start();
 }
-#else
-int __stdcall WinMain(HINSTANCE hInst, HINSTANCE hPrevInst, LPSTR cmdLine, int nShow)
-{
-	LPWSTR* lpArgv;
-	int ret, i;
-
-	lpArgv = CommandLineToArgvW( GetCommandLineW(), &szArgc );
-	szArgv = ( char** )malloc( (szArgc + 1) * sizeof( char* ));
-
-	for( i = 0; i < szArgc; ++i )
-	{
-		size_t size = wcslen(lpArgv[i]) + 1;
-
-		// just in case, allocate some more memory
-		szArgv[i] = ( char * )malloc( size * sizeof( wchar_t ));
-		wcstombs( szArgv[i], lpArgv[i], size );
-	}
-	szArgv[szArgc] = 0;
-
-	LocalFree( lpArgv );
-
-	ret = Sys_Start();
-
-	for( ; i < szArgc; ++i )
-		free( szArgv[i] );
-	free( szArgv );
-
-	return ret;
-}
-#endif // XASH_WIN32
-
-
-#endif
+#endif // SINGLE_BINARY

engine/common/masterlist.c

@@ -419,5 +419,6 @@ void NET_InitMasters( void )
 
 	// keep main master always there
 	NET_AddMaster( MASTERSERVER_ADR, false );
+	NET_AddMaster( MASTERSERVER_ADR_TEST, false );
 	NET_LoadMasters( );
 }

engine/common/mod_local.h

@@ -113,12 +113,13 @@ typedef struct world_static_s
 	// tree visualization stuff
 	int		recursion_level;
 	int		max_recursion;
+
+	uint32_t version; // BSP version
 } world_static_t;
 
 #ifndef REF_DLL
 extern world_static_t	world;
 extern poolhandle_t     com_studiocache;
-extern model_t		*loadmodel;
 extern convar_t		mod_studiocache;
 extern convar_t		r_wadtextures;
 extern convar_t		r_showhull;
@@ -156,7 +157,7 @@ int Mod_CheckLump( const char *filename, const int lump, int *lumpsize );
 int Mod_ReadLump( const char *filename, const int lump, void **lumpdata, int *lumpsize );
 int Mod_SaveLump( const char *filename, const int lump, void *lumpdata, int lumpsize );
 mleaf_t *Mod_PointInLeaf( const vec3_t p, mnode_t *node );
-int Mod_SampleSizeForFace( msurface_t *surf );
+int Mod_SampleSizeForFace( const msurface_t *surf );
 byte *Mod_GetPVSForPoint( const vec3_t p );
 void Mod_UnloadBrushModel( model_t *mod );
 void Mod_PrintWorldStats_f( void );
@@ -164,7 +165,7 @@ void Mod_PrintWorldStats_f( void );
 //
 // mod_dbghulls.c
 //
-void Mod_InitDebugHulls( void );
+void Mod_InitDebugHulls( model_t *mod );
 void Mod_CreatePolygonsForHull( int hullnum );
 void Mod_ReleaseHullPolygons( void );
 

engine/common/mod_studio.c

@@ -851,11 +851,11 @@ void Mod_LoadStudioModel( model_t *mod, const void *buffer, qboolean *loaded )
 	char poolname[MAX_VA_STRING];
 	studiohdr_t	*phdr;
 
-	Q_snprintf( poolname, sizeof( poolname ), "^2%s^7", loadmodel->name );
+	Q_snprintf( poolname, sizeof( poolname ), "^2%s^7", mod->name );
 
 	if( loaded ) *loaded = false;
-	loadmodel->mempool = Mem_AllocPool( poolname );
-	loadmodel->type = mod_studio;
+	mod->mempool = Mem_AllocPool( poolname );
+	mod->type = mod_studio;
 
 	phdr = R_StudioLoadHeader( mod, buffer );
 	if( !phdr ) return;	// bad model
@@ -886,9 +886,9 @@ void Mod_LoadStudioModel( model_t *mod, const void *buffer, qboolean *loaded )
 				// give space for textures and skinrefs
 				size1 = thdr->numtextures * sizeof( mstudiotexture_t );
 				size2 = thdr->numskinfamilies * thdr->numskinref * sizeof( short );
-				mod->cache.data = Mem_Calloc( loadmodel->mempool, phdr->length + size1 + size2 );
-				memcpy( loadmodel->cache.data, buffer, phdr->length ); // copy main mdl buffer
-				phdr = (studiohdr_t *)loadmodel->cache.data; // get the new pointer on studiohdr
+				mod->cache.data = Mem_Calloc( mod->mempool, phdr->length + size1 + size2 );
+				memcpy( mod->cache.data, buffer, phdr->length ); // copy main mdl buffer
+				phdr = (studiohdr_t *)mod->cache.data; // get the new pointer on studiohdr
 				phdr->numskinfamilies = thdr->numskinfamilies;
 				phdr->numtextures = thdr->numtextures;
 				phdr->numskinref = thdr->numskinref;
@@ -905,52 +905,52 @@ void Mod_LoadStudioModel( model_t *mod, const void *buffer, qboolean *loaded )
 		else
 		{
 			// NOTE: don't modify source buffer because it's used for CRC computing
-			loadmodel->cache.data = Mem_Calloc( loadmodel->mempool, phdr->length );
-			memcpy( loadmodel->cache.data, buffer, phdr->length );
-			phdr = (studiohdr_t *)loadmodel->cache.data; // get the new pointer on studiohdr
+			mod->cache.data = Mem_Calloc( mod->mempool, phdr->length );
+			memcpy( mod->cache.data, buffer, phdr->length );
+			phdr = (studiohdr_t *)mod->cache.data; // get the new pointer on studiohdr
 #if !XASH_DEDICATED
 			ref.dllFuncs.Mod_StudioLoadTextures( mod, phdr );
 #endif
 
 			// NOTE: we wan't keep raw textures in memory. just cutoff model pointer above texture base
-			loadmodel->cache.data = Mem_Realloc( loadmodel->mempool, loadmodel->cache.data, phdr->texturedataindex );
-			phdr = (studiohdr_t *)loadmodel->cache.data; // get the new pointer on studiohdr
+			mod->cache.data = Mem_Realloc( mod->mempool, mod->cache.data, phdr->texturedataindex );
+			phdr = (studiohdr_t *)mod->cache.data; // get the new pointer on studiohdr
 			phdr->length = phdr->texturedataindex;	// update model size
 		}
 	}
 	else
 	{
 		// just copy model into memory
-		loadmodel->cache.data = Mem_Calloc( loadmodel->mempool, phdr->length );
-		memcpy( loadmodel->cache.data, buffer, phdr->length );
+		mod->cache.data = Mem_Calloc( mod->mempool, phdr->length );
+		memcpy( mod->cache.data, buffer, phdr->length );
 
-		phdr = loadmodel->cache.data;
+		phdr = mod->cache.data;
 	}
 
 	// setup bounding box
 	if( !VectorCompare( vec3_origin, phdr->bbmin ))
 	{
 		// clipping bounding box
-		VectorCopy( phdr->bbmin, loadmodel->mins );
-		VectorCopy( phdr->bbmax, loadmodel->maxs );
+		VectorCopy( phdr->bbmin, mod->mins );
+		VectorCopy( phdr->bbmax, mod->maxs );
 	}
 	else if( !VectorCompare( vec3_origin, phdr->min ))
 	{
 		// movement bounding box
-		VectorCopy( phdr->min, loadmodel->mins );
-		VectorCopy( phdr->max, loadmodel->maxs );
+		VectorCopy( phdr->min, mod->mins );
+		VectorCopy( phdr->max, mod->maxs );
 	}
 	else
 	{
 		// well compute bounds from vertices and round to nearest even values
-		Mod_StudioComputeBounds( phdr, loadmodel->mins, loadmodel->maxs, true );
-		RoundUpHullSize( loadmodel->mins );
-		RoundUpHullSize( loadmodel->maxs );
+		Mod_StudioComputeBounds( phdr, mod->mins, mod->maxs, true );
+		RoundUpHullSize( mod->mins );
+		RoundUpHullSize( mod->maxs );
 	}
 
-	loadmodel->numframes = Mod_StudioBodyVariations( loadmodel );
-	loadmodel->radius = RadiusFromBounds( loadmodel->mins, loadmodel->maxs );
-	loadmodel->flags = phdr->flags; // copy header flags
+	mod->numframes = Mod_StudioBodyVariations( mod );
+	mod->radius = RadiusFromBounds( mod->mins, mod->maxs );
+	mod->flags = phdr->flags; // copy header flags
 
 	if( loaded ) *loaded = true;
 }

engine/common/model.c

@@ -31,7 +31,6 @@ poolhandle_t      com_studiocache;		// cache for submodels
 CVAR_DEFINE( mod_studiocache, "r_studiocache", "1", FCVAR_ARCHIVE, "enables studio cache for speedup tracing hitboxes" );
 CVAR_DEFINE_AUTO( r_wadtextures, "0", 0, "completely ignore textures in the bsp-file if enabled" );
 CVAR_DEFINE_AUTO( r_showhull, "0", 0, "draw collision hulls 1-3" );
-model_t		*loadmodel;
 
 /*
 ===============================================================================
@@ -112,6 +111,7 @@ void Mod_FreeModel( model_t *mod )
 
 	if( mod->type == mod_brush && FBitSet( mod->flags, MODEL_WORLD ) )
 	{
+		world.version = 0;
 		world.shadowdata = NULL;
 		world.deluxedata = NULL;
 	}
@@ -287,7 +287,6 @@ model_t *Mod_LoadModel( model_t *mod, qboolean crash )
 	Con_Reportf( "loading %s\n", mod->name );
 	mod->needload = NL_PRESENT;
 	mod->type = mod_bad;
-	loadmodel = mod;
 
 	// call the apropriate loader
 	switch( *(uint *)buf )

engine/common/net_encode.c

@@ -1087,7 +1087,6 @@ int Delta_TestBaseline( entity_state_t *from, entity_state_t *to, qboolean playe
 	delta_info_t	*dt = NULL;
 	delta_t		*pField;
 	int		i, countBits;
-	int		numChanges = 0;
 
 	countBits = MAX_ENTITY_BITS + 2;
 
@@ -1121,7 +1120,7 @@ int Delta_TestBaseline( entity_state_t *from, entity_state_t *to, qboolean playe
 
 		if( !Delta_CompareField( pField, from, to, timebase ))
 		{
-			// strings are handled difference
+			// strings are handled differently
 			if( FBitSet( pField->flags, DT_STRING ))
 				countBits += Q_strlen((char *)((byte *)to + pField->offset )) * 8;
 			else countBits += pField->bits;

engine/common/net_ws.c

@@ -274,8 +274,8 @@ static void NET_NetadrToSockadr( netadr_t *a, struct sockaddr_storage *s )
 	else if( a->type == NA_IP )
 	{
 		((struct sockaddr_in *)s)->sin_family = AF_INET;
-		((struct sockaddr_in *)s)->sin_addr.s_addr = *(uint32_t *)&a->ip;
 		((struct sockaddr_in *)s)->sin_port = a->port;
+		((struct sockaddr_in *)s)->sin_addr.s_addr = a->ip4;
 	}
 	else if( a->type6 == NA_IP6 )
 	{
@@ -314,7 +314,7 @@ static void NET_SockadrToNetadr( const struct sockaddr_storage *s, netadr_t *a )
 	if( s->ss_family == AF_INET )
 	{
 		a->type = NA_IP;
-		*(int *)&a->ip = ((struct sockaddr_in *)s)->sin_addr.s_addr;
+		a->ip4 = ((struct sockaddr_in *)s)->sin_addr.s_addr;
 		a->port = ((struct sockaddr_in *)s)->sin_port;
 	}
 	else if( s->ss_family == AF_INET6 )
@@ -444,6 +444,7 @@ static void NET_InitializeCriticalSections( void )
 void NET_ResolveThread( void )
 {
 	struct sockaddr_storage addr;
+	qboolean res;
 
 	RESOLVE_DBG( "[resolve thread] starting resolve for " );
 	RESOLVE_DBG( nsthread.hostname );
@@ -453,13 +454,14 @@ void NET_ResolveThread( void )
 	RESOLVE_DBG( " with gethostbyname\n" );
 #endif
 
-	if( NET_GetHostByName( nsthread.hostname, nsthread.family, &addr ))
+	if(( res = NET_GetHostByName( nsthread.hostname, nsthread.family, &addr )))
 		RESOLVE_DBG( "[resolve thread] success\n" );
 	else
 		RESOLVE_DBG( "[resolve thread] failed\n" );
 	mutex_lock( &nsthread.mutexres );
 	nsthread.addr = addr;
 	nsthread.busy = false;
+	nsthread.result = res ? NET_EAI_OK : NET_EAI_NONAME;
 	RESOLVE_DBG( "[resolve thread] returning result\n" );
 	mutex_unlock( &nsthread.mutexres );
 	RESOLVE_DBG( "[resolve thread] exiting thread\n" );
@@ -544,6 +546,7 @@ static net_gai_state_t NET_StringToSockaddr( const char *s, struct sockaddr_stor
 				memset( &nsthread.addr, 0, sizeof( nsthread.addr ));
 
 				detach_thread( nsthread.thread );
+				asyncfailed = false;
 			}
 			else
 			{
@@ -2197,6 +2200,8 @@ HTTP downloader
 =================================================
 */
 
+#define MAX_HTTP_BUFFER_SIZE (BIT( 13 ))
+
 typedef struct httpserver_s
 {
 	char host[256];
@@ -2237,7 +2242,7 @@ typedef struct httpfile_s
 	qboolean process;
 
 	// query or response
-   char buf[BUFSIZ+1];
+   char buf[MAX_HTTP_BUFFER_SIZE+1];
    int header_size, query_length, bytes_sent;
 } httpfile_t;
 
@@ -2382,18 +2387,18 @@ process incoming data
 */
 static qboolean HTTP_ProcessStream( httpfile_t *curfile )
 {
-	char buf[BUFSIZ+1];
+	char buf[sizeof( curfile->buf )];
 	char *begin = 0;
 	int res;
 
-	if( curfile->header_size >= BUFSIZ )
+	if( curfile->header_size >= sizeof( buf ))
 	{
-		Con_Reportf( S_ERROR "Header to big\n");
+		Con_Reportf( S_ERROR "Header too big, the size is %s\n", curfile->header_size );
 		HTTP_FreeFile( curfile, true );
 		return false;
 	}
 
-	while( ( res = recv( curfile->socket, buf, BUFSIZ - curfile->header_size, 0 )) > 0) // if we got there, we are receiving data
+	while( ( res = recv( curfile->socket, buf, sizeof( buf ) - curfile->header_size, 0 )) > 0) // if we got there, we are receiving data
 	{
 		curfile->blocktime = 0;
 
@@ -2406,7 +2411,7 @@ static qboolean HTTP_ProcessStream( httpfile_t *curfile )
 			if( begin ) // Got full header
 			{
 				int cutheadersize = begin - curfile->buf + 4; // after that begin of data
-				char *length;
+				char *content_length_line;
 
 				Con_Reportf( "HTTP: Got response!\n" );
 
@@ -2425,10 +2430,13 @@ static qboolean HTTP_ProcessStream( httpfile_t *curfile )
 				}
 
 				// print size
-				length = Q_stristr( curfile->buf, "Content-Length: " );
-				if( length )
+				content_length_line = Q_stristr( curfile->buf, "Content-Length: " );
+				if( content_length_line )
 				{
-					int size = Q_atoi( length += 16 );
+					int size;
+
+					content_length_line += sizeof( "Content-Length: " ) - 1;
+					size = Q_atoi( content_length_line );
 
 					Con_Reportf( "HTTP: File size is %d\n", size );
 
@@ -2870,6 +2878,10 @@ static void HTTP_AddCustomServer_f( void )
 	{
 		HTTP_AddCustomServer( Cmd_Argv( 1 ));
 	}
+	else
+	{
+		Con_Printf( S_USAGE "http_addcustomserver <url>\n" );
+	}
 }
 
 /*

engine/common/netchan.h

@@ -70,6 +70,7 @@ GNU General Public License for more details.
 #define NET_MAX_MESSAGE		PAD_NUMBER(( NET_MAX_PAYLOAD + HEADER_BYTES ), 16 )
 
 #define MASTERSERVER_ADR		"mentality.rip:27010"
+#define MASTERSERVER_ADR_TEST	"mentality.rip:27011"
 #define MS_SCAN_REQUEST		"1\xFF" "0.0.0.0:0\0"
 
 #define PORT_MASTER			27010

engine/common/protocol.h

@@ -305,6 +305,14 @@ extern const char	*clc_strings[clc_lastmsg+1];
 #define MAX_LEGACY_EDICTS (1 << MAX_LEGACY_ENTITY_BITS) // 4096 edicts
 #define MIN_LEGACY_EDICTS 30
 
+// legacy engine features that can be implemented through currently supported features
+#define ENGINE_LEGACY_FEATURES_MASK   \
+	( ENGINE_WRITE_LARGE_COORD    \
+	| ENGINE_LOAD_DELUXEDATA      \
+	| ENGINE_LARGE_LIGHTMAPS      \
+	| ENGINE_COMPENSATE_QUAKE_BUG \
+	| ENGINE_COMPUTE_STUDIO_LERP  )
+
 // Master Server protocol
 #define MS_SCAN_REQUEST "1\xFF" "0.0.0.0:0\0" // TODO: implement IP filter
 

engine/common/sys_con.c

@@ -149,7 +149,7 @@ void Sys_InitLog( void )
 		s_ld.logfileno = fileno( s_ld.logfile );
 
 		fprintf( s_ld.logfile, "=================================================================================\n" );
-		fprintf( s_ld.logfile, "\t%s (build %i) started at %s\n", s_ld.title, Q_buildnum(), Q_timestamp( TIME_FULL ) );
+		fprintf( s_ld.logfile, "\t%s (build %i commit %s (%s-%s)) started at %s\n", s_ld.title, Q_buildnum(), Q_buildcommit(), Q_buildos(), Q_buildarch(), Q_timestamp( TIME_FULL ) );
 		fprintf( s_ld.logfile, "=================================================================================\n" );
 	}
 }

engine/common/system.c

@@ -402,7 +402,7 @@ void Sys_Warn( const char *format, ... )
 	Msg( "Sys_Warn: %s\n", text );
 
 	if( !Host_IsDedicated() ) // dedicated server should not hang on messagebox
-		MSGBOX(text);
+		Platform_MessageBox( "Xash Warning", text, false );
 }
 
 /*
@@ -446,8 +446,8 @@ void Sys_Error( const char *error, ... )
 #if XASH_WIN32
 		Wcon_ShowConsole( false );
 #endif
-		MSGBOX( text );
 		Sys_Print( text );
+		Platform_MessageBox( "Xash Error", text, false );
 	}
 	else
 	{
@@ -562,7 +562,7 @@ void Sys_Print( const char *pMsg )
 
 	Sys_PrintLog( pMsg );
 
-	Rcon_Print( pMsg );
+	Rcon_Print( &host.rd, pMsg );
 }
 
 /*
@@ -649,3 +649,31 @@ qboolean Sys_NewInstance( const char *gamedir )
 
 	return false;
 }
+
+
+/*
+==================
+Sys_GetNativeObject
+
+Get platform-specific native object
+==================
+*/
+void *Sys_GetNativeObject( const char *obj )
+{
+	void *ptr;
+
+	if( !COM_CheckString( obj ))
+		return NULL;
+
+	ptr = FS_GetNativeObject( obj );
+
+	if( ptr )
+		return ptr;
+
+	// Backend should consider that obj is case-sensitive
+#if XASH_ANDROID
+	ptr = Android_GetNativeObject( obj );
+#endif // XASH_ANDROID
+
+	return ptr;
+}

engine/common/system.h

@@ -30,9 +30,6 @@ extern "C" {
 #include "crtlib.h"
 #include "platform/platform.h"
 
-#define MSGBOX( x )	Platform_MessageBox( "Xash Error", (x), false )
-#define MSGBOX2( x )	Platform_MessageBox( "Host Error", (x), true )
-#define MSGBOX3( x )	Platform_MessageBox( "Host Recursive Error", (x), true )
 #define ASSERT( exp )	if(!( exp )) Sys_Error( "assert failed at %s:%i\n", __FILE__, __LINE__ )
 
 /*
@@ -70,6 +67,7 @@ void Sys_InitLog( void );
 void Sys_CloseLog( void );
 void Sys_Quit( void ) NORETURN;
 qboolean Sys_NewInstance( const char *gamedir );
+void *Sys_GetNativeObject( const char *obj );
 
 //
 // sys_con.c

engine/common/whereami.c

@@ -632,12 +632,14 @@ int WAI_PREFIX(getExecutablePath)(char* out, int capacity, int* dirname_length)
     else
     {
       const char* PATH = getenv("PATH");
+      const char* begin;
+      size_t argv0_length;
       if (!PATH)
         break;
 
-      size_t argv0_length = strlen(argv[0]);
+      argv0_length = strlen(argv[0]);
 
-      const char* begin = PATH;
+      begin = PATH;
       while (1)
       {
         const char* separator = strchr(begin, ':');

engine/menu_int.h

@@ -143,7 +143,7 @@ typedef struct ui_enginefuncs_s
 	void	*(*pfnKeyGetState)( const char *name );			// for mlook, klook etc
 
 	// engine memory manager
-	void*	(*pfnMemAlloc)( size_t cb, const char *filename, const int fileline );
+	void*	(*pfnMemAlloc)( size_t cb, const char *filename, const int fileline ) ALLOC_CHECK( 1 );
 	void	(*pfnMemFree)( void *mem, const char *filename, const int fileline );
 
 	// collect info from engine

engine/physint.h

@@ -86,7 +86,7 @@ typedef struct server_physics_api_s
 	const byte	*(*pfnGetTextureData)( unsigned int texnum );
 
 	// static allocations
-	void		*(*pfnMemAlloc)( size_t cb, const char *filename, const int fileline );
+	void		*(*pfnMemAlloc)( size_t cb, const char *filename, const int fileline ) ALLOC_CHECK( 1 );
 	void		(*pfnMemFree)( void *mem, const char *filename, const int fileline );
 
 	// trace & contents

engine/platform/android/android.c

@@ -32,10 +32,9 @@ struct jnimethods_s
 	JNIEnv *env;
 	jobject activity;
 	jclass actcls;
-	jmethodID getID;
-	jmethodID saveID;
-	jmethodID loadID;
-	jmethodID getKeyboardHeight;
+	jmethodID loadAndroidID;
+	jmethodID getAndroidID;
+	jmethodID saveAndroidID;
 } jni;
 
 void Android_Init( void )
@@ -43,10 +42,9 @@ void Android_Init( void )
 	jni.env = (JNIEnv *)SDL_AndroidGetJNIEnv();
 	jni.activity = (jobject)SDL_AndroidGetActivity();
 	jni.actcls = (*jni.env)->GetObjectClass( jni.env, jni.activity );
-	jni.loadID = (*jni.env)->GetMethodID( jni.env, jni.actcls, "loadAndroidID", "()Ljava/lang/String;" );
-	jni.getID = (*jni.env)->GetMethodID( jni.env, jni.actcls, "getAndroidID", "()Ljava/lang/String;" );
-	jni.saveID = (*jni.env)->GetMethodID( jni.env, jni.actcls, "saveAndroidID", "(Ljava/lang/String;)V" );
-	jni.getKeyboardHeight = (*jni.env)->GetMethodID( jni.env, jni.actcls, "getKeyboardHeight", "()I" );
+	jni.loadAndroidID = (*jni.env)->GetMethodID( jni.env, jni.actcls, "loadAndroidID", "()Ljava/lang/String;" );
+	jni.getAndroidID = (*jni.env)->GetMethodID( jni.env, jni.actcls, "getAndroidID", "()Ljava/lang/String;" );
+	jni.saveAndroidID = (*jni.env)->GetMethodID( jni.env, jni.actcls, "saveAndroidID", "(Ljava/lang/String;)V" );
 
 	SDL_SetHint( SDL_HINT_ORIENTATIONS, "LandscapeLeft LandscapeRight" );
 	SDL_SetHint( SDL_HINT_JOYSTICK_HIDAPI_STEAM, "1" );
@@ -95,7 +93,7 @@ const char *Android_GetAndroidID( void )
 
 	if( COM_CheckString( id ) ) return id;
 
-	resultJNIStr = (*jni.env)->CallObjectMethod( jni.env, jni.activity, jni.getID );
+	resultJNIStr = (*jni.env)->CallObjectMethod( jni.env, jni.activity, jni.getAndroidID );
 	resultCStr = (*jni.env)->GetStringUTFChars( jni.env, resultJNIStr, NULL );
 	Q_strncpy( id, resultCStr, sizeof( id ) );
 	(*jni.env)->ReleaseStringUTFChars( jni.env, resultJNIStr, resultCStr );
@@ -114,7 +112,7 @@ const char *Android_LoadID( void )
 	jstring resultJNIStr;
 	const char *resultCStr;
 
-	resultJNIStr = (*jni.env)->CallObjectMethod( jni.env, jni.activity, jni.loadID );
+	resultJNIStr = (*jni.env)->CallObjectMethod( jni.env, jni.activity, jni.loadAndroidID );
 	resultCStr = (*jni.env)->GetStringUTFChars( jni.env, resultJNIStr, NULL );
 	Q_strncpy( id, resultCStr, sizeof( id ) );
 	(*jni.env)->ReleaseStringUTFChars( jni.env, resultJNIStr, resultCStr );
@@ -129,7 +127,7 @@ Android_SaveID
 */
 void Android_SaveID( const char *id )
 {
-	(*jni.env)->CallVoidMethod( jni.env, jni.activity, jni.saveID, (*jni.env)->NewStringUTF( jni.env, id ) );
+	(*jni.env)->CallVoidMethod( jni.env, jni.activity, jni.saveAndroidID, (*jni.env)->NewStringUTF( jni.env, id ) );
 }
 
 /*
@@ -144,14 +142,4 @@ void Platform_ShellExecute( const char *path, const char *parms )
 #endif
 }
 
-/*
-========================
-Android_GetKeyboardHeight
-========================
-*/
-int Android_GetKeyboardHeight( void )
-{
-	return (*jni.env)->CallIntMethod( jni.env, jni.activity, jni.getKeyboardHeight );
-}
-
 #endif // XASH_DEDICATED

engine/platform/linux/sys_linux.c

@@ -13,10 +13,16 @@ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 GNU General Public License for more details.
 */
 
+#define _GNU_SOURCE
 #include <time.h>
 #include <stdlib.h>
 #include <fcntl.h>
 #include <dlfcn.h>
+#include <signal.h>
+#include <ucontext.h>
+#include <time.h>
+#include <unistd.h>
+#include <math.h>
 #include "platform/platform.h"
 
 static void *g_hsystemd;
@@ -103,3 +109,44 @@ void Linux_Shutdown( void )
 		g_hsystemd = NULL;
 	}
 }
+
+static void Linux_TimerHandler( int sig, siginfo_t *si, void *uc )
+{
+	timer_t  *tidp = si->si_value.sival_ptr;
+	int overrun = timer_getoverrun( *tidp );
+	Con_Printf( "Frame too long (overrun %d)!\n", overrun );
+}
+
+#define DEBUG_TIMER_SIGNAL SIGRTMIN
+
+void Linux_SetTimer( float tm )
+{
+	static timer_t timerid;
+
+	if( !timerid && tm )
+	{
+		struct sigevent    sev = { 0 };
+		struct sigaction   sa = { 0 };
+
+		sa.sa_flags = SA_SIGINFO;
+		sa.sa_sigaction = Linux_TimerHandler;
+		sigaction( DEBUG_TIMER_SIGNAL, &sa, NULL );
+		// this path availiable in POSIX, but may signal wrong thread...
+		// sev.sigev_notify = SIGEV_SIGNAL;
+		sev.sigev_notify = SIGEV_THREAD_ID;
+		sev._sigev_un._tid  = gettid();
+		sev.sigev_signo = DEBUG_TIMER_SIGNAL;
+		sev.sigev_value.sival_ptr = &timerid;
+		timer_create( CLOCK_REALTIME, &sev, &timerid );
+	}
+
+	if( timerid )
+	{
+		struct itimerspec  its = {0};
+		its.it_value.tv_sec = tm;
+		its.it_value.tv_nsec = 1000000000ULL * fmod( tm, 1.0f );
+		its.it_interval.tv_sec = 0;
+		its.it_interval.tv_nsec = 0;
+		timer_settime( timerid, 0, &its, NULL );
+	}
+}

engine/platform/platform.h

@@ -37,6 +37,11 @@ void Platform_MessageBox( const char *title, const char *message, qboolean paren
 qboolean Sys_DebuggerPresent( void ); // optional, see Sys_DebugBreak
 void Platform_SetStatus( const char *status );
 
+// legacy iOS port functions
+#if TARGET_OS_IOS
+const char *IOS_GetDocsDir( void );
+#endif // TARGET_OS_IOS
+
 #if XASH_WIN32 || XASH_LINUX
 #define XASH_PLATFORM_HAVE_STATUS 1
 #else
@@ -58,7 +63,6 @@ const char *Android_LoadID( void );
 void Android_SaveID( const char *id );
 void Android_Init( void );
 void *Android_GetNativeObject( const char *name );
-int Android_GetKeyboardHeight( void );
 #endif
 
 #if XASH_WIN32
@@ -87,6 +91,7 @@ void DOS_Shutdown( void );
 #if XASH_LINUX
 void Linux_Init( void );
 void Linux_Shutdown( void );
+void Linux_SetTimer( float time );
 #endif
 
 static inline void Platform_Init( void )
@@ -134,17 +139,6 @@ static inline void Platform_Shutdown( void )
 #endif
 }
 
-static inline void *Platform_GetNativeObject( const char *name )
-{
-	void *ptr = NULL;
-
-#if XASH_ANDROID
-	ptr = Android_GetNativeObject( name );
-#endif
-
-	return ptr;
-}
-
 /*
 ==============================================================================
 
@@ -153,7 +147,6 @@ static inline void *Platform_GetNativeObject( const char *name )
 ==============================================================================
 */
 void Platform_Vibrate( float life, char flags );
-void*Platform_GetNativeObject( const char *name );
 
 /*
 ==============================================================================
@@ -189,6 +182,13 @@ void Platform_SetClipboardText( const char *buffer );
 #define SDL_VERSION_ATLEAST( x, y, z ) 0
 #endif
 
+static void Platform_SetTimer( float time )
+{
+#if XASH_LINUX
+	Linux_SetTimer( time );
+#endif
+}
+
 /*
 ==============================================================================
 

engine/platform/sdl/events.c

@@ -128,7 +128,7 @@ static qboolean SDLash_IsInstanceIDAGameController( SDL_JoystickID joyId )
 		return true;
 	return false;
 #else
-	if( SDL_GameControllerFromInstanceID( joyId ) )
+	if( SDL_GameControllerFromInstanceID( joyId ) != NULL )
 		return true;
 	return false;
 #endif
@@ -148,7 +148,7 @@ static void SDLash_KeyEvent( SDL_KeyboardEvent key )
 #else
 	int keynum = key.keysym.sym;
 #endif
-	qboolean numLock = SDL_GetModState() & KMOD_NUM;
+	qboolean numLock = FBitSet( SDL_GetModState(), KMOD_NUM );
 
 #if XASH_ANDROID
 	if( keynum == SDL_SCANCODE_VOLUMEUP || keynum == SDL_SCANCODE_VOLUMEDOWN )
@@ -159,7 +159,7 @@ static void SDLash_KeyEvent( SDL_KeyboardEvent key )
 
 	if( SDL_IsTextInputActive() && down && cls.key_dest != key_game )
 	{
-		if( SDL_GetModState() & KMOD_CTRL )
+		if( FBitSet( SDL_GetModState(), KMOD_CTRL ))
 		{
 			if( keynum >= SDL_SCANCODE_A && keynum <= SDL_SCANCODE_Z )
 			{
@@ -176,7 +176,7 @@ static void SDLash_KeyEvent( SDL_KeyboardEvent key )
 
 		if( isprint( keynum ) )
 		{
-			if( SDL_GetModState() & KMOD_SHIFT )
+			if( FBitSet( SDL_GetModState(), KMOD_SHIFT ))
 			{
 				keynum = Key_ToUpper( keynum );
 			}

engine/platform/sdl/vid_sdl.c

@@ -158,8 +158,8 @@ void *SW_LockBuffer( void )
 		void *pixels;
 		int stride;
 
-		if( SDL_LockTexture(sw.tex, NULL, &pixels, &stride ) )
-			Sys_Error("%s", SDL_GetError());
+		if( SDL_LockTexture(sw.tex, NULL, &pixels, &stride ) < 0 )
+			Sys_Error( "%s: %s", __func__, SDL_GetError( ));
 		return pixels;
 	}
 
@@ -272,7 +272,7 @@ static void R_InitVideoModes( void )
 		int j;
 		SDL_DisplayMode mode;
 
-		if( SDL_GetDisplayMode( displayIndex, i, &mode ) )
+		if( SDL_GetDisplayMode( displayIndex, i, &mode ) < 0 )
 		{
 			Msg( "SDL_GetDisplayMode: %s\n", SDL_GetError() );
 			continue;
@@ -419,12 +419,16 @@ static qboolean WIN_SetWindowIcon( HICON ico )
 {
 	SDL_SysWMinfo wminfo;
 
-	if( SDL_GetWindowWMInfo( host.hWnd, &wminfo ))
+	SDL_VERSION( &wminfo.version );
+
+	if( SDL_GetWindowWMInfo( host.hWnd, &wminfo ) == SDL_TRUE )
 	{
 		SendMessage( wminfo.info.win.window, WM_SETICON, ICON_SMALL, (LONG_PTR)ico );
 		SendMessage( wminfo.info.win.window, WM_SETICON, ICON_BIG, (LONG_PTR)ico );
 		return true;
 	}
+
+	Con_Reportf( S_ERROR "%s: %s", __func__, SDL_GetError( ));
 	return false;
 }
 #endif
@@ -438,6 +442,25 @@ GL_GetProcAddress
 void *GL_GetProcAddress( const char *name )
 {
 	void *func = SDL_GL_GetProcAddress( name );
+#if !SDL_VERSION_ATLEAST( 2, 0, 6 ) && XASH_POSIX
+	if( !func && Sys_CheckParm( "-egl" ))
+	{
+		/*
+		 * SDL2 has broken SDL_GL_GetProcAddress until this commit if using egl:
+		 * https://github.com/libsdl-org/SDL/commit/466ba57d42d244e80357e9ad3011c50af30ed225
+		 * so call eglGetProcAddress directly
+		 * */
+		static void *(*peglGetProcAddress)( const char * );
+		if( !peglGetProcAddress )
+		{
+			void *lib = dlopen( "libEGL.so", RTLD_NOW );
+			if( lib )
+				*(void**)&peglGetProcAddress = dlsym( lib, "eglGetProcAddress" );
+		}
+		if( peglGetProcAddress )
+			func = peglGetProcAddress( name );
+	}
+#endif
 
 #if XASH_PSVITA
 	// try to find in main module
@@ -473,8 +496,8 @@ void GL_UpdateSwapInterval( void )
 	{
 		ClearBits( gl_vsync.flags, FCVAR_CHANGED );
 
-		if( SDL_GL_SetSwapInterval( gl_vsync.value ) )
-			Con_Reportf( S_ERROR  "SDL_GL_SetSwapInterval: %s\n", SDL_GetError( ) );
+		if( SDL_GL_SetSwapInterval( gl_vsync.value ) < 0 )
+			Con_Reportf( S_ERROR  "SDL_GL_SetSwapInterval: %s\n", SDL_GetError( ));
 	}
 #endif // SDL_VERSION_ATLEAST( 2, 0, 0 )
 }
@@ -523,7 +546,7 @@ GL_UpdateContext
 static qboolean GL_UpdateContext( void )
 {
 #if SDL_VERSION_ATLEAST( 2, 0, 0 )
-	if( SDL_GL_MakeCurrent( host.hWnd, glw_state.context ))
+	if( SDL_GL_MakeCurrent( host.hWnd, glw_state.context ) < 0 )
 	{
 		Con_Reportf( S_ERROR "GL_UpdateContext: %s\n", SDL_GetError());
 		return GL_DeleteContext();
@@ -580,7 +603,7 @@ static qboolean VID_SetScreenResolution( int width, int height, window_mode_t wi
 		want.w = width;
 		want.h = height;
 
-		if( SDL_GetClosestDisplayMode( 0, &want, &got ) < 0 )
+		if( SDL_GetClosestDisplayMode( 0, &want, &got ) == NULL )
 		{
 			Con_Printf( S_ERROR "%s: SDL_GetClosestDisplayMode: %s", __func__, SDL_GetError( ));
 			return false;
@@ -626,14 +649,14 @@ void VID_RestoreScreenResolution( void )
 #endif // SDL_VERSION_ATLEAST( 2, 0, 0 )
 }
 
+#if SDL_VERSION_ATLEAST( 2, 0, 0 )
 static void VID_SetWindowIcon( SDL_Window *hWnd )
 {
-#if SDL_VERSION_ATLEAST( 2, 0, 0 )
 	rgbdata_t *icon = NULL;
 	char iconpath[MAX_STRING];
+#if XASH_WIN32 // ICO support only for Win32
 	const char *localIcoPath;
 
-#if XASH_WIN32 // ICO support only for Win32
 	if(( localIcoPath = FS_GetDiskPath( GI->iconpath, true )))
 	{
 		HICON ico = (HICON)LoadImage( NULL, localIcoPath, IMAGE_ICON, 0, 0, LR_LOADFROMFILE|LR_DEFAULTSIZE );
@@ -666,8 +689,8 @@ static void VID_SetWindowIcon( SDL_Window *hWnd )
 #if XASH_WIN32 // ICO support only for Win32
 	WIN_SetWindowIcon( LoadIcon( host.hInst, MAKEINTRESOURCE( 101 )));
 #endif
-#endif // SDL_VERSION_ATLEAST( 2, 0, 0 )
 }
+#endif // SDL_VERSION_ATLEAST( 2, 0, 0 )
 
 static qboolean VID_CreateWindowWithSafeGL( const char *wndname, int xpos, int ypos, int w, int h, uint32_t flags )
 {
@@ -785,6 +808,7 @@ qboolean VID_CreateWindow( int width, int height, window_mode_t window_mode )
 	else VID_RestoreScreenResolution();
 #endif
 
+	VID_SetWindowIcon( host.hWnd );
 	SDL_ShowWindow( host.hWnd );
 
 	if( glw_state.software )
@@ -812,8 +836,13 @@ qboolean VID_CreateWindow( int width, int height, window_mode_t window_mode )
 	{
 		if( !glw_state.initialized )
 		{
-			if( !GL_CreateContext( ))
-				return false;
+			while( !GL_CreateContext( ))
+			{
+				glw_state.safe++;
+				if(glw_state.safe > SAFE_DONTCARE)
+					return false;
+				GL_SetupAttributes(); // re-choose attributes
+			}
 
 			VID_StartupGamma();
 		}
@@ -991,8 +1020,12 @@ qboolean R_Init_Video( const int type )
 	refState.desktopBitsPixel = 16;
 #endif
 
+#ifdef SDL_HINT_QTWAYLAND_WINDOW_FLAGS
 	SDL_SetHint( SDL_HINT_QTWAYLAND_WINDOW_FLAGS, "OverridesSystemGestures" );
+#endif
+#ifdef SDL_HINT_QTWAYLAND_CONTENT_ORIENTATION
 	SDL_SetHint( SDL_HINT_QTWAYLAND_CONTENT_ORIENTATION, "landscape" );
+#endif
 
 #if SDL_VERSION_ATLEAST( 2, 0, 0 ) && !XASH_WIN32
 	SDL_SetHint( "SDL_VIDEO_X11_XRANDR", "1" );
@@ -1018,7 +1051,7 @@ qboolean R_Init_Video( const int type )
 		// refdll can request some attributes
 		GL_SetupAttributes( );
 
-		if( SDL_GL_LoadLibrary( EGL_LIB ) )
+		if( SDL_GL_LoadLibrary( EGL_LIB ) < 0 )
 		{
 			Con_Reportf( S_ERROR  "Couldn't initialize OpenGL: %s\n", SDL_GetError());
 			return false;
@@ -1057,7 +1090,11 @@ rserr_t R_ChangeDisplaySettings( int width, int height, window_mode_t window_mod
 #if SDL_VERSION_ATLEAST( 2, 0, 0 )
 	SDL_DisplayMode displayMode;
 
-	SDL_GetCurrentDisplayMode( 0, &displayMode );
+	if( SDL_GetCurrentDisplayMode( 0, &displayMode ) < 0 )
+	{
+		Con_Printf( S_ERROR "SDL_GetCurrentDisplayMode: %s", SDL_GetError( ));
+		return rserr_invalid_mode;
+	}
 
 	// check our desktop attributes
 	refState.desktopBitsPixel = SDL_BITSPERPIXEL( displayMode.format );
@@ -1086,8 +1123,11 @@ rserr_t R_ChangeDisplaySettings( int width, int height, window_mode_t window_mod
 		VID_RestoreScreenResolution();
 
 #if SDL_VERSION_ATLEAST( 2, 0, 0 )
-		if( SDL_SetWindowFullscreen( host.hWnd, 0 ))
+		if( SDL_SetWindowFullscreen( host.hWnd, 0 ) < 0 )
+		{
+			Con_Printf( S_ERROR "SDL_SetWindowFullscreen: %s", SDL_GetError( ));
 			return rserr_invalid_fullscreen;
+		}
 #if SDL_VERSION_ATLEAST( 2, 0, 5 )
 		SDL_SetWindowResizable( host.hWnd, SDL_TRUE );
 #endif

engine/ref_api.h

@@ -34,7 +34,11 @@ GNU General Public License for more details.
 // 2. FS functions are removed, instead we have full fs_api_t
 // 3. SlerpBones, CalcBonePosition/Quaternion calls were moved to libpublic/mathlib
 // 4. R_StudioEstimateFrame now has time argument
-#define REF_API_VERSION 4
+// 5. Removed GetSomethingByIndex calls, renderers are supposed to cache pointer values
+//    Removed previously unused calls
+//    Simplified remapping calls
+//    GetRefAPI is now expected to return REF_API_VERSION
+#define REF_API_VERSION 5
 
 
 #define TF_SKY		(TF_SKYSIDE|TF_NOMIPMAP)
@@ -257,6 +261,7 @@ typedef enum
 	PARM_LOCAL_GAME        = -11,
 	PARM_NUMENTITIES       = -12, // local game only
 	PARM_NUMMODELS         = -13, // cl.nummodels
+	PARM_WORLD_VERSION     = -14,
 } ref_parm_e;
 
 typedef struct ref_api_s
@@ -299,15 +304,13 @@ typedef struct ref_api_s
 	void	(*CL_DrawCenterPrint)( void );
 
 	// entity management
-	struct cl_entity_s *(*GetLocalPlayer)( void );
 	struct cl_entity_s *(*GetViewModel)( void );
-	struct cl_entity_s *(*GetEntityByIndex)( int idx );
 	struct cl_entity_s *(*R_BeamGetEntity)( int index );
 	struct cl_entity_s *(*CL_GetWaterEntity)( const vec3_t p );
 	qboolean (*CL_AddVisibleEntity)( cl_entity_t *ent, int entityType );
 
 	// brushes
-	int (*Mod_SampleSizeForFace)( struct msurface_s *surf );
+	int (*Mod_SampleSizeForFace)( const struct msurface_s *surf );
 	qboolean (*Mod_BoxVisible)( const vec3_t mins, const vec3_t maxs, const byte *visbits );
 	struct world_static_s *(*GetWorld)( void ); // returns &world
 	mleaf_t *(*Mod_PointInLeaf)( const vec3_t p, mnode_t *node );
@@ -329,15 +332,11 @@ typedef struct ref_api_s
 	// model management
 	model_t *(*Mod_ForName)( const char *name, qboolean crash, qboolean trackCRC );
 	void *(*Mod_Extradata)( int type, model_t *model );
-	struct model_s *(*pfnGetModelByIndex)( int index ); // CL_ModelHandle
-	struct model_s *(*Mod_GetCurrentLoadingModel)( void ); // loadmodel
-	void (*Mod_SetCurrentLoadingModel)( struct model_s* ); // loadmodel
+	struct model_s **(*pfnGetModels)( void );
 
 	// remap
+	qboolean (*CL_EntitySetRemapColors)( cl_entity_t *e, model_t *mod, int top, int bottom );
 	struct remap_info_s *(*CL_GetRemapInfoForEntity)( cl_entity_t *e );
-	void (*CL_AllocRemapInfo)( cl_entity_t *entity, model_t *model, int topcolor, int bottomcolor );
-	void (*CL_FreeRemapInfo)( struct remap_info_s *info );
-	void (*CL_UpdateRemapInfo)( cl_entity_t *entity, int topcolor, int bottomcolor );
 
 	// utils
 	void  (*CL_ExtraUpdate)( void );
@@ -346,9 +345,8 @@ typedef struct ref_api_s
 	float (*COM_RandomFloat)( float rmin, float rmax );
 	int   (*COM_RandomLong)( int rmin, int rmax );
 	struct screenfade_s *(*GetScreenFade)( void );
-	struct client_textmessage_s *(*pfnTextMessageGet)( const char *pName );
 	void (*GetPredictedOrigin)( vec3_t v );
-	color24 *(*CL_GetPaletteColor)(int color); // clgame.palette[color]
+	color24 *(*CL_GetPaletteColor)( void ); // clgame.palette[color]
 	void (*CL_GetScreenInfo)( int *width, int *height ); // clgame.scrInfo, ptrs may be NULL
 	void (*SetLocalLightLevel)( int level ); // cl.local.light_level
 	int (*Sys_CheckParm)( const char *flag );
@@ -364,8 +362,8 @@ typedef struct ref_api_s
 	// memory
 	poolhandle_t (*_Mem_AllocPool)( const char *name, const char *filename, int fileline );
 	void  (*_Mem_FreePool)( poolhandle_t *poolptr, const char *filename, int fileline );
-	void *(*_Mem_Alloc)( poolhandle_t poolptr, size_t size, qboolean clear, const char *filename, int fileline );
-	void *(*_Mem_Realloc)( poolhandle_t poolptr, void *memptr, size_t size, qboolean clear, const char *filename, int fileline );
+	void *(*_Mem_Alloc)( poolhandle_t poolptr, size_t size, qboolean clear, const char *filename, int fileline ) ALLOC_CHECK( 2 );
+	void *(*_Mem_Realloc)( poolhandle_t poolptr, void *memptr, size_t size, qboolean clear, const char *filename, int fileline ) ALLOC_CHECK( 3 );
 	void  (*_Mem_Free)( void *data, const char *filename, int fileline );
 
 	// library management
@@ -422,7 +420,6 @@ typedef struct ref_api_s
 	rgbdata_t *(*FS_CopyImage)( rgbdata_t *in );
 	void (*FS_FreeImage)( rgbdata_t *pack );
 	void (*Image_SetMDLPointer)( byte *p );
-	poolhandle_t (*Image_GetPool)( void );
 	const struct bpc_desc_s *(*Image_GetPFDesc)( int idx );
 
 	// client exports
@@ -451,6 +448,7 @@ typedef struct ref_interface_s
 	void (*GL_InitExtensions)( void );
 	void (*GL_ClearExtensions)( void );
 
+	// scene rendering
 	void (*R_BeginFrame)( qboolean clearScene );
 	void (*R_RenderScene)( void );
 	void (*R_EndFrame)( void );
@@ -465,7 +463,8 @@ typedef struct ref_interface_s
 
 	qboolean (*R_AddEntity)( struct cl_entity_s *clent, int type );
 	void (*CL_AddCustomBeam)( cl_entity_t *pEnvBeam );
-	void		(*R_ProcessEntData)( qboolean allocate );
+	void (*R_ProcessEntData)( qboolean allocate, cl_entity_t *entities, unsigned int max_entities );
+	void (*R_Flush)( unsigned int flush_flags );
 
 	// debug
 	void (*R_ShowTextures)( void );
@@ -506,7 +505,7 @@ typedef struct ref_interface_s
 
 	// bmodel
 	void (*R_InitSkyClouds)( struct mip_s *mt, struct texture_s *tx, qboolean custom_palette );
-	void (*GL_SubdivideSurface)( msurface_t *fa );
+	void (*GL_SubdivideSurface)( model_t *mod, msurface_t *fa );
 	void (*CL_RunLightStyles)( void );
 
 	// sprites

engine/server/server.h

@@ -360,7 +360,6 @@ typedef struct
 typedef struct
 {
 	qboolean		initialized;		// sv_init has completed
-	qboolean	game_library_loaded;	// is game library loaded in SV_InitGame
 	double		timestart;		// just for profiling
 
 	int		maxclients;		// server max clients
@@ -473,6 +472,8 @@ extern convar_t		sv_userinfo_penalty_multiplier;
 extern convar_t		sv_userinfo_penalty_attempts;
 extern convar_t		sv_fullupdate_penalty_time;
 extern convar_t		sv_log_outofband;
+extern convar_t		sv_allow_autoaim;
+extern convar_t		sv_aim;
 
 //===========================================================
 //
@@ -563,7 +564,7 @@ qboolean SV_IsPlayerIndex( int idx );
 int SV_CalcPing( sv_client_t *cl );
 void SV_InitClientMove( void );
 void SV_UpdateServerInfo( void );
-void SV_EndRedirect( void );
+void SV_EndRedirect( host_redirect_t *rd );
 void SV_RejectConnection( netadr_t from, const char *fmt, ... ) _format( 2 );
 void SV_GetPlayerCount( int *clients, int *bots );
 

engine/server/sv_client.c

@@ -639,7 +639,7 @@ void SV_DropClient( sv_client_t *cl, qboolean crash )
 	cl->frames = NULL;
 
 	if( NET_CompareBaseAdr( cl->netchan.remote_address, host.rd.address ))
-		SV_EndRedirect();
+		SV_EndRedirect( &host.rd );
 
 	// throw away any residual garbage in the channel.
 	Netchan_Clear( &cl->netchan );
@@ -676,22 +676,19 @@ SVC COMMAND REDIRECT
 
 ==============================================================================
 */
-void SV_BeginRedirect( netadr_t adr, rdtype_t target, char *buffer, size_t buffersize, void (*flush))
+static void SV_BeginRedirect( host_redirect_t *rd, netadr_t adr, rdtype_t target, char *buffer, size_t buffersize, void (*flush))
 {
-	if( !target || !buffer || !buffersize || !flush )
-		return;
-
-	host.rd.target = target;
-	host.rd.buffer = buffer;
-	host.rd.buffersize = buffersize;
-	host.rd.flush = flush;
-	host.rd.address = adr;
-	host.rd.buffer[0] = 0;
-	if( host.rd.lines == 0 )
-		host.rd.lines = -1;
+	rd->target = target;
+	rd->buffer = buffer;
+	rd->buffersize = buffersize;
+	rd->flush = flush;
+	rd->address = adr;
+	rd->buffer[0] = 0;
+	if( rd->lines == 0 )
+		rd->lines = -1;
 }
 
-void SV_FlushRedirect( netadr_t adr, int dest, char *buf )
+static void SV_FlushRedirect( netadr_t adr, int dest, char *buf )
 {
 	if( sv.current_client && FBitSet( sv.current_client->flags, FCL_FAKECLIENT ))
 		return;
@@ -712,18 +709,18 @@ void SV_FlushRedirect( netadr_t adr, int dest, char *buf )
 	}
 }
 
-void SV_EndRedirect( void )
+void SV_EndRedirect( host_redirect_t *rd )
 {
-	if( host.rd.lines > 0 )
+	if( rd->lines > 0 )
 		return;
 
-	if( host.rd.flush )
-		host.rd.flush( host.rd.address, host.rd.target, host.rd.buffer );
+	if( rd->flush )
+		rd->flush( rd->address, rd->target, rd->buffer );
 
-	host.rd.target = 0;
-	host.rd.buffer = NULL;
-	host.rd.buffersize = 0;
-	host.rd.flush = NULL;
+	rd->target = RD_NONE;
+	rd->buffer = NULL;
+	rd->buffersize = 0;
+	rd->flush = NULL;
 }
 
 /*
@@ -733,24 +730,26 @@ Rcon_Print
 Print message to rcon buffer and send to rcon redirect target
 ================
 */
-void Rcon_Print( const char *pMsg )
+void Rcon_Print( host_redirect_t *rd, const char *pMsg )
 {
-	if( host.rd.target && host.rd.lines && host.rd.flush && host.rd.buffer )
+	size_t len;
+
+	if( !rd->target || !rd->lines || !rd->flush || !rd->buffer )
+		return;
+
+	len = Q_strncat( rd->buffer, pMsg, rd->buffersize );
+
+	if( len && rd->buffer[len - 1] == '\n' )
 	{
-		size_t len = Q_strncat( host.rd.buffer, pMsg, host.rd.buffersize );
+		rd->flush( rd->address, rd->target, rd->buffer );
 
-		if( len && host.rd.buffer[len-1] == '\n' )
-		{
-			host.rd.flush( host.rd.address, host.rd.target, host.rd.buffer );
+		if( rd->lines > 0 )
+			rd->lines--;
 
-			if( host.rd.lines > 0 )
-				host.rd.lines--;
+		rd->buffer[0] = 0;
 
-			host.rd.buffer[0] = 0;
-
-			if( !host.rd.lines )
-				Msg( "End of redirection!\n" );
-		}
+		if( !rd->lines )
+			Msg( "End of redirection!\n" );
 	}
 }
 
@@ -1090,7 +1089,7 @@ void SV_RemoteCommand( netadr_t from, sizebuf_t *msg )
 
 	if( Rcon_Validate( ))
 	{
-		SV_BeginRedirect( from, RD_PACKET, outputbuf, sizeof( outputbuf ) - 16, SV_FlushRedirect );
+		SV_BeginRedirect( &host.rd, from, RD_PACKET, outputbuf, sizeof( outputbuf ) - 16, SV_FlushRedirect );
 
 		remaining[0] = 0;
 		for( i = 2; i < Cmd_Argc(); i++ )
@@ -1101,7 +1100,7 @@ void SV_RemoteCommand( netadr_t from, sizebuf_t *msg )
 		}
 		Cmd_ExecuteString( remaining );
 
-		SV_EndRedirect();
+		SV_EndRedirect( &host.rd );
 	}
 	else Con_Printf( S_ERROR "Bad rcon_password.\n" );
 }
@@ -1772,6 +1771,9 @@ static qboolean SV_ShouldUpdateUserinfo( sv_client_t *cl )
 	if( FBitSet( cl->flags, FCL_FAKECLIENT ))
 		return allow;
 
+	if( Host_IsLocalGame( ))
+		return allow;
+
 	// start from 1 second
 	if( !cl->userinfo_penalty )
 		cl->userinfo_penalty = sv_userinfo_penalty_time.value;

engine/server/sv_custom.c

@@ -121,8 +121,10 @@ void SV_ParseConsistencyResponse( sv_client_t *cl, sizebuf_t *msg )
 		{
 			value = MSG_ReadUBitLong( msg, 32 );
 
+			LittleLongSW( value );
+
 			// will be compare only first 4 bytes
-			if( value != *(int *)r->rgucMD5_hash )
+			if( memcmp( &value, r->rgucMD5_hash, 4 ))
 				badresindex = idx + 1;
 		}
 		else

engine/server/sv_game.c

@@ -2385,7 +2385,9 @@ static void GAME_EXPORT pfnGetAimVector( edict_t* ent, float speed, float *rgflR
 
 	// try all possible entities
 	VectorCopy( svgame.globals->v_forward, bestdir );
-	bestdist = Cvar_VariableValue( "sv_aim" );
+	if( sv_allow_autoaim.value )
+		bestdist = sv_aim.value;
+	else bestdist = 0;
 
 	check = EDICT_NUM( 1 ); // start at first client
 	for( i = 1; i < svgame.numEntities; i++, check++ )
@@ -3031,7 +3033,7 @@ void SV_SetStringArrayMode( qboolean dynamic )
 #endif
 }
 
-#if XASH_64BIT && !XASH_WIN32 && !XASH_APPLE && !XASH_NSWITCH
+#if XASH_64BIT && !XASH_WIN32 && !XASH_APPLE && !XASH_NSWITCH && !XASH_ANDROID
 #define USE_MMAP
 #include <sys/mman.h>
 #endif
@@ -4523,7 +4525,7 @@ static qboolean GAME_EXPORT pfnVoice_GetClientListening( int iReceiver, int iSen
 	iReceiver -= 1;
 	iSender -= 1;
 
-	if( iReceiver < 0 || iReceiver >= svs.maxclients || iSender < 0 || iSender > svs.maxclients )
+	if( iReceiver < 0 || iReceiver >= svs.maxclients || iSender < 0 || iSender >= svs.maxclients )
 		return false;
 
 	return (FBitSet( svs.clients[iSender].listeners, BIT( iReceiver )) != 0 );
@@ -4540,7 +4542,7 @@ static qboolean GAME_EXPORT pfnVoice_SetClientListening( int iReceiver, int iSen
 	iReceiver -= 1;
 	iSender -= 1;
 
-	if( iReceiver < 0 || iReceiver >= svs.maxclients || iSender < 0 || iSender > svs.maxclients )
+	if( iReceiver < 0 || iReceiver >= svs.maxclients || iSender < 0 || iSender >= svs.maxclients )
 		return false;
 
 	if( bListen ) SetBits( svs.clients[iSender].listeners, BIT( iReceiver ));
@@ -4965,12 +4967,6 @@ static qboolean SV_ParseEdict( char **pfile, edict_t *ent )
 			pkvd[i].szValue = copystring( temp );
 		}
 #endif
-		if( !Q_strcmp( pkvd[i].szKeyName, "light" ))
-		{
-			Mem_Free( pkvd[i].szKeyName );
-			pkvd[i].szKeyName = copystring( "light_level" );
-		}
-
 		if( !pkvd[i].fHandled )
 		{
 			pkvd[i].szClassName = classname;
@@ -5130,7 +5126,6 @@ void SV_UnloadProgs( void )
 
 	Mod_ResetStudioAPI ();
 
-	svs.game_library_loaded = false;
 	COM_FreeLibrary( svgame.hInstance );
 	Mem_FreePool( &svgame.mempool );
 	memset( &svgame, 0, sizeof( svgame ));
@@ -5148,7 +5143,14 @@ qboolean SV_LoadProgs( const char *name )
 	static playermove_t		gpMove;
 	edict_t			*e;
 
-	if( svgame.hInstance ) SV_UnloadProgs();
+	if( svgame.hInstance )
+	{
+#if XASH_WIN32
+		SV_UnloadProgs();
+#else // XASH_WIN32
+		return true;
+#endif // XASH_WIN32
+	}
 
 	// fill it in
 	svgame.pmove = &gpMove;

engine/server/sv_init.c

@@ -706,7 +706,7 @@ qboolean SV_InitGame( void )
 {
 	string dllpath;
 
-	if( svs.game_library_loaded )
+	if( svgame.hInstance )
 		return true;
 
 	// first initialize?
@@ -721,7 +721,6 @@ qboolean SV_InitGame( void )
 	}
 
 	// client frames will be allocated in SV_ClientConnect
-	svs.game_library_loaded = true;
 	return true;
 }
 
@@ -1042,8 +1041,9 @@ qboolean SV_SpawnServer( const char *mapname, const char *startspot, qboolean ba
 	// force normal player collisions for single player
 	if( svs.maxclients == 1 ) Cvar_SetValue( "sv_clienttrace", 1 );
 
-	// make sure what server name doesn't contain path and extension
-	COM_FileBase( mapname, sv.name, sizeof( sv.name ));
+	// allow loading maps from subdirectories, strip extension anyway
+	Q_strncpy( sv.name, mapname, sizeof( sv.name ));
+	COM_StripExtension( sv.name );
 
 	// precache and static commands can be issued during map initialization
 	Host_SetServerState( ss_loading );
@@ -1115,28 +1115,6 @@ int SV_GetMaxClients( void )
 	return svs.maxclients;
 }
 
-qboolean SV_InitGameProgs( void )
-{
-	string dllpath;
-
-	if( svgame.hInstance ) return true; // already loaded
-
-	COM_GetCommonLibraryPath( LIBRARY_SERVER, dllpath, sizeof( dllpath ));
-
-	// just try to initialize
-	SV_LoadProgs( dllpath );
-
-	return false;
-}
-
-void SV_FreeGameProgs( void )
-{
-	if( svs.initialized ) return;	// server is active
-
-	// unload progs (free cvars and commands)
-	SV_UnloadProgs();
-}
-
 /*
 ================
 SV_ExecLoadLevel

engine/server/sv_main.c

@@ -23,6 +23,7 @@ CVAR_DEFINE_AUTO( sv_lan, "0", 0, "server is a lan server ( no heartbeat, no aut
 CVAR_DEFINE_AUTO( sv_lan_rate, "20000.0", 0, "rate for lan server" );
 CVAR_DEFINE_AUTO( sv_nat, "0", 0, "enable NAT bypass for this server" );
 CVAR_DEFINE_AUTO( sv_aim, "1", FCVAR_ARCHIVE|FCVAR_SERVER, "auto aiming option" );
+CVAR_DEFINE_AUTO( sv_allow_autoaim, "0", FCVAR_ARCHIVE|FCVAR_SERVER, "auto aiming option (for HL25 compatibility)" );
 CVAR_DEFINE_AUTO( sv_unlag, "1", 0, "allow lag compensation on server-side" );
 CVAR_DEFINE_AUTO( sv_maxunlag, "0.5", 0, "max latency value which can be interpolated (by default ping should not exceed 500 units)" );
 CVAR_DEFINE_AUTO( sv_unlagpush, "0.0", 0, "interpolation bias for unlag time" );
@@ -48,7 +49,8 @@ CVAR_DEFINE_AUTO( sv_send_logos, "1", 0, "send custom decal logo to other player
 CVAR_DEFINE_AUTO( sv_send_resources, "1", 0, "allow to download missed resources for players" );
 CVAR_DEFINE_AUTO( sv_logbans, "0", 0, "print into the server log info about player bans" );
 CVAR_DEFINE_AUTO( sv_allow_upload, "1", FCVAR_SERVER, "allow uploading custom resources on a server" );
-CVAR_DEFINE_AUTO( sv_allow_download, "1", FCVAR_SERVER, "allow downloading custom resources to the client" );
+CVAR_DEFINE( sv_allow_download, "sv_allowdownload", "1", FCVAR_SERVER, "allow downloading custom resources to the client" );
+static CVAR_DEFINE_AUTO( sv_allow_dlfile, "1", 0, "compatibility cvar, does nothing" );
 CVAR_DEFINE_AUTO( sv_uploadmax, "0.5", FCVAR_SERVER, "max size to upload custom resources (500 kB as default)" );
 CVAR_DEFINE_AUTO( sv_downloadurl, "", FCVAR_PROTECTED, "location from which clients can download missing files" );
 CVAR_DEFINE( sv_consistency, "mp_consistency", "1", FCVAR_SERVER, "enbale consistency check in multiplayer" );
@@ -884,6 +886,7 @@ void SV_Init( void )
 	Cvar_RegisterVariable( &sv_fps );
 	Cvar_RegisterVariable( &showtriggers );
 	Cvar_RegisterVariable( &sv_aim );
+	Cvar_RegisterVariable( &sv_allow_autoaim );
 	Cvar_RegisterVariable( &deathmatch );
 	Cvar_RegisterVariable( &coop );
 	Cvar_RegisterVariable( &teamplay );
@@ -925,6 +928,7 @@ void SV_Init( void )
 	Cvar_RegisterVariable( &sv_unlagsamples );
 	Cvar_RegisterVariable( &sv_allow_upload );
 	Cvar_RegisterVariable( &sv_allow_download );
+	Cvar_RegisterVariable( &sv_allow_dlfile );
 	Cvar_RegisterVariable( &sv_send_logos );
 	Cvar_RegisterVariable( &sv_send_resources );
 	Cvar_RegisterVariable( &sv_uploadmax );
@@ -1089,7 +1093,9 @@ void SV_Shutdown( const char *finalmsg )
 		if( CL_IsPlaybackDemo( ))
 			CL_Drop();
 
-		SV_UnloadProgs ();
+#if XASH_WIN32
+		SV_UnloadProgs();
+#endif // XASH_WIN32
 		return;
 	}
 
@@ -1097,7 +1103,7 @@ void SV_Shutdown( const char *finalmsg )
 		Con_Printf( "%s", finalmsg );
 
 	// rcon will be disconnected
-	SV_EndRedirect();
+	SV_EndRedirect( &host.rd );
 
 	if( svs.clients )
 		SV_FinalMessage( finalmsg, false );
@@ -1106,7 +1112,10 @@ void SV_Shutdown( const char *finalmsg )
 		NET_MasterShutdown();
 
 	NET_Config( false, false );
-	SV_UnloadProgs ();
+	SV_DeactivateServer();
+#if XASH_WIN32
+	SV_UnloadProgs();
+#endif // XASH_WIN32
 	CL_Drop();
 
 	// free current level

engine/server/sv_phys.c

@@ -2139,8 +2139,8 @@ qboolean SV_InitPhysicsAPI( void )
 			if( svgame.physFuncs.SV_CheckFeatures != NULL )
 			{
 				// grab common engine features (it will be shared across the network)
-				host.features = svgame.physFuncs.SV_CheckFeatures();
-				Host_PrintEngineFeatures ();
+				host.features = svgame.physFuncs.SV_CheckFeatures() & ENGINE_FEATURES_MASK;
+				Host_PrintEngineFeatures( host.features );
 			}
 			return true;
 		}

engine/server/sv_pmove.c

@@ -80,8 +80,8 @@ static qboolean SV_CopyEdictToPhysEnt( physent_t *pe, edict_t *ed )
 	}
 	else
 	{
-		// otherwise copy the classname
-		Q_strncpy( pe->name, STRING( ed->v.classname ), sizeof( pe->name ));
+		// otherwise copy the modelname
+		Q_strncpy( pe->name, mod->name, sizeof( pe->name ));
 	}
 
 	pe->model = pe->studiomodel = NULL;

engine/server/sv_query.c

@@ -36,7 +36,7 @@ static void SV_SourceQuery_Details( netadr_t from )
 {
 	sizebuf_t buf;
 	char answer[2048];
-	int i, bot_count, client_count;
+	int bot_count, client_count;
 	int is_private = 0;
 
 	SV_GetPlayerCount( &client_count, &bot_count );

engine/server/sv_save.c

@@ -984,7 +984,10 @@ static void ParseSaveTables( SAVERESTOREDATA *pSaveData, SAVE_HEADER *pHeader, i
 	InitEntityTable( pSaveData, pSaveData->tableCount );
 
 	for( i = 0; i < pSaveData->tableCount; i++ )
+	{
 		svgame.dllFuncs.pfnSaveReadFields( pSaveData, "ETABLE", &pSaveData->pTable[i], gEntityTable, ARRAYSIZE( gEntityTable ));
+		pSaveData->pTable[i].pent = NULL;
+	}
 
 	pSaveData->pBaseData = pSaveData->pCurrentData;
 	pSaveData->size = 0;

engine/server/sv_world.c

@@ -1475,7 +1475,6 @@ static qboolean SV_RecursiveLightPoint( model_t *model, mnode_t *node, const vec
 	float		ds, dt, s, t;
 	int		sample_size;
 	msurface_t	*surf;
-	mtexinfo_t	*tex;
 	mextrasurf_t	*info;
 	color24		*lm;
 	vec3_t		mid;
@@ -1510,7 +1509,6 @@ static qboolean SV_RecursiveLightPoint( model_t *model, mnode_t *node, const vec
 	{
 		int	smax, tmax;
 
-		tex = surf->texinfo;
 		info = surf->info;
 
 		if( FBitSet( surf->flags, SURF_DRAWTILED ))

engine/wscript

@@ -37,8 +37,6 @@ def options(opt):
 def configure(conf):
 	# check for dedicated server build
 	if conf.options.DEDICATED:
-		if conf.env.DEST_OS == 'linux':
-			conf.check_cc(lib='rt')
 		conf.define('XASH_DEDICATED', 1)
 	elif conf.env.DEST_OS == 'dos':
 		conf.options.STATIC = True
@@ -49,14 +47,14 @@ def configure(conf):
 		# re-enable undefined reference errors
 		conf.env.CXXFLAGS += ['-Wl,--no-undefined']
 		conf.env.CFLAGS += ['-Wl,--no-undefined']
-		# allow the SDL2 sanity check to complete properly by linking in libstdc++ and lm normally
-		conf.env.LDFLAGS += ['-lstdc++', '-lm']
+		# allow the SDL2 sanity check to complete properly by linking in lm normally
+		conf.env.LDFLAGS += ['-lm']
 		conf.load('sdl2')
 		if not conf.env.HAVE_SDL2:
 			conf.fatal('SDL2 not availiable! Install switch-sdl2!')
 		conf.define('XASH_SDL', 2)
 		# then remove them to avoid them getting linked to shared objects
-		conf.env.LDFLAGS.remove('-lstdc++')
+		conf.env.LIB_SDL2.remove('stdc++') # remove libstdc++ linking from SDL2, we link it later
 		conf.env.LDFLAGS.remove('-lm')
 	elif conf.env.DEST_OS == 'psvita':
 		# allow the SDL2 sanity check to complete properly by linking in some deps missing from the pkg-config file
@@ -73,12 +71,9 @@ def configure(conf):
 		# unused, XASH_LINUX without XASH_SDL gives fbdev & alsa support
 		# conf.define('XASH_FBDEV', 1)
 		conf.check_cc( lib = 'asound' )
-		conf.check_cc( lib = 'rt' )
 	elif conf.options.SDL12:
 		conf.define('XASH_SDL', 12)
 		conf.check_cfg(package='sdl', args='--cflags --libs', uselib_store='SDL2' )
-		if conf.env.DEST_OS == 'linux':
-			conf.check_cc( lib='rt' )
 		conf.env.HAVE_SDL2 = True
 	else:
 		conf.load('sdl2')
@@ -97,6 +92,9 @@ def configure(conf):
 	if not conf.env.DEST_OS in ['win32', 'android'] and not conf.options.NO_ASYNC_RESOLVE:
 		conf.check_pthreads()
 
+	if conf.env.DEST_OS == 'linux':
+		conf.check_cc(lib='rt')
+
 	if hasattr(conf.options, 'DLLEMU'):
 		conf.define_cond('XASH_DLL_LOADER', conf.options.DLLEMU)
 
@@ -189,7 +187,7 @@ def build(bld):
 		# HACK: link in the entirety of libstdc++ so that dynamic libs could use all of it without manual exporting
 		# we can't do this right away because std::filesystem will complain about not having pathconf(),
 		# which we have defined in sys_nswitch.c
-		bld.env.LDFLAGS += ['-Wl,--whole-archive', '-lstdc++', '-Wl,--no-whole-archive', '-lm']
+		bld.env.LDFLAGS += ['-v', '-Wl,--whole-archive', '-lstdc++', '-Wl,--no-whole-archive', '-lm']
 
 	if bld.env.DEST_OS == 'psvita':
 		libs += [ 'VRTLD' ]

filesystem/VFileSystem009.cpp

@@ -150,7 +150,10 @@ public:
 
 	void RemoveFile( const char *path, const char *id ) override
 	{
-		FS_Delete( path ); // FS_Delete is aware of slashes
+		char dir[MAX_VA_STRING], fullpath[MAX_VA_STRING];
+
+		Q_snprintf( fullpath, sizeof( fullpath ), "%s/%s", IdToDir( dir, sizeof( dir ), id ), path );
+		FS_Delete( fullpath ); // FS_Delete is aware of slashes
 	}
 
 	void CreateDirHierarchy( const char *path, const char *id ) override
@@ -230,6 +233,13 @@ public:
 		return FS_FileTime( p, false );
 	}
 
+	long int GetFileModificationTime( const char *path )
+	{
+		// TODO: properly reverse-engineer this
+		FixupPath( p, path );
+		return FS_FileTime( p, false );
+	}
+
 	void FileTimeToString( char *p, int size, long int time ) override
 	{
 		const time_t curtime = time;

filesystem/VFileSystem009.h

@@ -40,8 +40,7 @@ public:
 	virtual ~IBaseInterface() {}
 };
 
-class IVFileSystem009 : public IBaseInterface
-{
+class IVFileSystem009 : public IBaseInterface {
 public:
 	virtual void Mount() = 0; /* linkage=_ZN11IFileSystem5MountEv */
 
@@ -148,8 +147,8 @@ public:
 	virtual FileHandle_t OpenFromCacheForRead(const char *, const char *, const char *) = 0; /* linkage=_ZN11IFileSystem20OpenFromCacheForReadEPKcS1_S1_ */
 
 	virtual void AddSearchPathNoWrite(const char *, const char *) = 0; /* linkage=_ZN11IFileSystem20AddSearchPathNoWriteEPKcS1_ */
+
+	virtual long int GetFileModificationTime(const char *) = 0; /* linkage=_ZN11IFileSystem23GetFileModificationTimeEPKc */
 };
 
-#define FILESYSTEM_INTERFACE_VERSION "VFileSystem009" // never change this!
-
 #endif // VFILESYSTEM009_H

filesystem/android.c

@@ -0,0 +1,325 @@
+/*
+android.c - android support for filesystem
+Copyright (C) 2022 Velaron
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+*/
+
+#include "port.h"
+
+#if XASH_ANDROID
+
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <unistd.h>
+#include <errno.h>
+#include <stddef.h>
+#include STDINT_H
+#include "filesystem_internal.h"
+#include "crtlib.h"
+#include "xash3d_mathlib.h"
+#include "common/com_strings.h"
+
+#include <jni.h>
+#include <android/asset_manager.h>
+#include <android/asset_manager_jni.h>
+#include <time.h>
+
+struct android_assets_s
+{
+	string package_name;
+	qboolean engine;
+	AAssetManager *asset_manager;
+	AAssetDir *dir;
+};
+
+struct jni_methods_s
+{
+	JNIEnv *env;
+	jobject activity;
+	jclass activity_class;
+	jmethodID getPackageName;
+	jmethodID getCallingPackage;
+	jmethodID getAssetsList;
+	jmethodID getAssets;
+} jni;
+
+static void Android_GetAssetManager( android_assets_t *assets )
+{
+	jobject assetManager;
+
+	assetManager = (*jni.env)->CallObjectMethod( jni.env, jni.activity, jni.getAssets, assets->engine );
+
+	if( assetManager )
+		assets->asset_manager = AAssetManager_fromJava( jni.env, assetManager );
+	else if( assets->engine )
+		Con_Reportf( S_WARN "Couldn't add engine assets!" );
+}
+
+static const char *Android_GetPackageName( qboolean engine )
+{
+	static string pkg;
+	jstring resultJNIStr;
+	const char *resultCStr;
+
+	resultJNIStr = (*jni.env)->CallObjectMethod( jni.env, jni.activity, engine ? jni.getPackageName : jni.getCallingPackage );
+
+	if( !resultJNIStr )
+		return NULL;
+
+	resultCStr = (*jni.env)->GetStringUTFChars( jni.env, resultJNIStr, NULL );
+	Q_strncpy( pkg, resultCStr, sizeof( pkg ));
+	(*jni.env)->ReleaseStringUTFChars( jni.env, resultJNIStr, resultCStr );
+
+	return pkg;
+}
+
+static void Android_ListDirectory( stringlist_t *list, const char *path, qboolean engine )
+{
+	jstring JStr = (*jni.env)->NewStringUTF( jni.env, path );
+	jobjectArray JNIArray = (*jni.env)->CallObjectMethod( jni.env, jni.activity, jni.getAssetsList, engine, JStr );
+	int JNIArraySize = (*jni.env)->GetArrayLength( jni.env, JNIArray );
+
+	for( int i = 0; i < JNIArraySize; i++ )
+	{
+		jstring JNIStr = (*jni.env)->GetObjectArrayElement( jni.env, JNIArray, i );
+		const char *CStr = (*jni.env)->GetStringUTFChars( jni.env, JNIStr, NULL );
+
+		stringlistappend( list, (char *)CStr );
+		(*jni.env)->ReleaseStringUTFChars( jni.env, JNIStr, CStr );
+	}
+}
+
+static void FS_CloseAndroidAssets( android_assets_t *assets )
+{
+	if( assets->dir )
+		AAssetDir_close( assets->dir );
+
+	Mem_Free( assets );
+}
+
+static android_assets_t *FS_LoadAndroidAssets( qboolean engine )
+{
+	android_assets_t *assets = Mem_Calloc( fs_mempool, sizeof( *assets ));
+
+	assets->engine = engine;
+
+	Android_GetAssetManager( assets );
+	if( !assets->asset_manager )
+	{
+		FS_CloseAndroidAssets( assets );
+		return NULL;
+	}
+
+	assets->dir = AAssetManager_openDir( assets->asset_manager, "" );
+	if( !assets->dir )
+	{
+		FS_CloseAndroidAssets( assets );
+		return NULL;
+	}
+
+	return assets;
+}
+
+static int FS_FileTime_AndroidAssets( searchpath_t *search, const char *filename )
+{
+	static time_t time;
+
+	if( !time )
+	{
+		struct tm file_tm;
+
+		strptime( __DATE__ " "__TIME__, "%b %d %Y %H:%M:%S", &file_tm );
+		time = mktime( &file_tm );
+	}
+
+	return time;
+}
+
+static int FS_FindFile_AndroidAssets( struct searchpath_s *search, const char *path, char *fixedname, size_t len )
+{
+	AAsset *assets = AAssetManager_open( search->assets->asset_manager, path, AASSET_MODE_UNKNOWN );
+
+	if( assets )
+	{
+		AAsset_close( assets );
+
+		Q_strncpy( fixedname, path, len );
+		return 0;
+	}
+
+	return -1;
+}
+
+static void FS_PrintInfo_AndroidAssets( searchpath_t *search, char *dst, size_t size )
+{
+	Q_snprintf( dst, size, "%s", search->assets->package_name );
+}
+
+static void FS_Close_AndroidAssets( searchpath_t *search )
+{
+	FS_CloseAndroidAssets( search->assets );
+}
+
+static void FS_Search_AndroidAssets( searchpath_t *search, stringlist_t *list, const char *pattern, int caseinsensitive )
+{
+	string temp;
+	stringlist_t dirlist;
+	const char *slash, *backslash, *colon, *separator;
+	int basepathlength, dirlistindex, resultlistindex;
+	char *basepath;
+
+	slash = Q_strrchr( pattern, '/' );
+	backslash = Q_strrchr( pattern, '\\' );
+	colon = Q_strrchr( pattern, ':' );
+
+	separator = Q_max( slash, backslash );
+	separator = Q_max( separator, colon );
+
+	basepathlength = separator ? (separator + 1 - pattern) : 0;
+	basepath = Mem_Calloc( fs_mempool, basepathlength + 1 );
+	if( basepathlength )
+		memcpy( basepath, pattern, basepathlength );
+	basepath[basepathlength] = '\0';
+
+	stringlistinit( &dirlist );
+	Android_ListDirectory( &dirlist, basepath, search->assets->engine );
+
+	Q_strncpy( temp, basepath, sizeof( temp ));
+
+	for( dirlistindex = 0; dirlistindex < dirlist.numstrings; dirlistindex++ )
+	{
+		Q_strncpy( &temp[basepathlength], dirlist.strings[dirlistindex], sizeof( temp ) - basepathlength );
+
+		if( matchpattern( temp, (char *)pattern, true ))
+		{
+			for( resultlistindex = 0; resultlistindex < list->numstrings; resultlistindex++ )
+			{
+				if( !Q_strcmp( list->strings[resultlistindex], temp ))
+					break;
+			}
+
+			if( resultlistindex == list->numstrings )
+				stringlistappend( list, temp );
+		}
+	}
+
+	stringlistfreecontents( &dirlist );
+
+	Mem_Free( basepath );
+}
+
+static file_t *FS_OpenFile_AndroidAssets( searchpath_t *search, const char *filename, const char *mode, int pack_ind )
+{
+	file_t *file = Mem_Calloc( fs_mempool, sizeof( *file ));
+	AAsset *assets = AAssetManager_open( search->assets->asset_manager, filename, AASSET_MODE_RANDOM );
+
+	file->handle = AAsset_openFileDescriptor( assets, &file->offset, &file->real_length );
+
+	file->position = 0;
+	file->ungetc = EOF;
+
+	AAsset_close( assets );
+
+	return file;
+}
+
+static byte *FS_LoadAndroidAssetsFile( searchpath_t *search, const char *path, int pack_ind, fs_offset_t *filesize )
+{
+	byte *buf;
+	off_t size;
+	AAsset *asset;
+
+	if( filesize ) *filesize = 0;
+
+	asset = AAssetManager_open( search->assets->asset_manager, path, AASSET_MODE_RANDOM );
+	if( !asset )
+		return NULL;
+
+	size = AAsset_getLength( asset );
+
+	buf = (byte *)Mem_Malloc( fs_mempool, size + 1 );
+	buf[size] = '\0';
+
+	if( AAsset_read( asset, buf, size ) < 0 )
+	{
+		Mem_Free( buf );
+		AAsset_close( asset );
+		return NULL;
+	}
+
+	AAsset_close( asset );
+
+	if( filesize ) *filesize = size;
+
+	return buf;
+}
+
+searchpath_t *FS_AddAndroidAssets_Fullpath( const char *path, int flags )
+{
+	searchpath_t *search;
+	android_assets_t *assets = NULL;
+	qboolean engine = true;
+
+	if( FBitSet( flags, FS_STATIC_PATH | FS_CUSTOM_PATH ))
+		return NULL;
+
+	if( FBitSet( flags, FS_GAMEDIR_PATH ) && Q_stricmp( GI->basedir, GI->gamefolder ))
+		engine = false;
+
+	assets = FS_LoadAndroidAssets( engine );
+
+	if( !assets )
+	{
+		Con_Reportf( S_ERROR "%s: unable to load Android assets \"%s\"\n", __FUNCTION__, Android_GetPackageName( engine ));
+		return NULL;
+	}
+
+	Q_strncpy( assets->package_name, Android_GetPackageName( engine ), sizeof( assets->package_name ));
+
+	search = Mem_Calloc( fs_mempool, sizeof( *search ));
+
+	Q_strncpy( search->filename, assets->package_name, sizeof( search->filename ));
+	search->assets = assets;
+	search->type = SEARCHPATH_ANDROID_ASSETS;
+	SetBits( search->flags, FS_NOWRITE_PATH | FS_CUSTOM_PATH );
+
+	search->pfnPrintInfo = FS_PrintInfo_AndroidAssets;
+	search->pfnClose = FS_Close_AndroidAssets;
+	search->pfnOpenFile = FS_OpenFile_AndroidAssets;
+	search->pfnFileTime = FS_FileTime_AndroidAssets;
+	search->pfnFindFile = FS_FindFile_AndroidAssets;
+	search->pfnSearch = FS_Search_AndroidAssets;
+	search->pfnLoadFile = FS_LoadAndroidAssetsFile;
+
+	Con_Reportf( "Adding Android assets: %s\n", assets->package_name );
+
+	return search;
+}
+
+void FS_InitAndroid( void )
+{
+	jmethodID getContext;
+
+	jni.env = (JNIEnv *)Sys_GetNativeObject( "JNIEnv" );
+	jni.activity_class = Sys_GetNativeObject( "ActivityClass" );
+
+	getContext = (*jni.env)->GetStaticMethodID( jni.env, jni.activity_class, "getContext", "()Landroid/content/Context;" );
+	jni.activity = (*jni.env)->CallStaticObjectMethod( jni.env, jni.activity_class, getContext );
+
+	jni.getPackageName = (*jni.env)->GetMethodID( jni.env, jni.activity_class, "getPackageName", "()Ljava/lang/String;" );
+	jni.getCallingPackage = (*jni.env)->GetMethodID( jni.env, jni.activity_class, "getCallingPackage", "()Ljava/lang/String;" );
+	jni.getAssetsList = (*jni.env)->GetMethodID( jni.env, jni.activity_class, "getAssetsList", "(ZLjava/lang/String;)[Ljava/lang/String;" );
+	jni.getAssets = (*jni.env)->GetMethodID( jni.env, jni.activity_class, "getAssets", "(Z)Landroid/content/res/AssetManager;" );
+}
+
+#endif // XASH_ANDROID

filesystem/dir.c

@@ -449,7 +449,6 @@ static void FS_Search_DIR( searchpath_t *search, stringlist_t *list, const char
 
 static int FS_FileTime_DIR( searchpath_t *search, const char *filename )
 {
-	int time;
 	char path[MAX_SYSPATH];
 
 	Q_snprintf( path, sizeof( path ), "%s%s", search->filename, filename );

filesystem/filesystem.c

@@ -34,6 +34,7 @@ GNU General Public License for more details.
 #include <stdio.h>
 #include <stdarg.h>
 #include "port.h"
+#include "defaults.h"
 #include "const.h"
 #include "crtlib.h"
 #include "crclib.h"
@@ -71,8 +72,10 @@ const fs_archive_t g_archives[] =
 static const fs_archive_t g_directory_archive =
 { NULL, SEARCHPATH_PLAIN, FS_AddDir_Fullpath, false };
 
-// static const fs_archive_t g_android_archive =
-// { NULL, SEARCHPATH_ANDROID, FS_AddAndroid_Fullpath, false, false };
+#ifdef XASH_ANDROID
+static const fs_archive_t g_android_archive =
+{ NULL, SEARCHPATH_ANDROID_ASSETS, FS_AddAndroidAssets_Fullpath, false };
+#endif
 
 #ifdef XASH_REDUCE_FD
 static file_t *fs_last_readfile;
@@ -154,7 +157,7 @@ void stringlistfreecontents( stringlist_t *list )
 	list->strings = NULL;
 }
 
-void stringlistappend( stringlist_t *list, char *text )
+void stringlistappend( stringlist_t *list, const char *text )
 {
 	size_t	textlen;
 
@@ -403,6 +406,10 @@ void FS_AddGameDirectory( const char *dir, uint flags )
 
 	stringlistfreecontents( &list );
 
+#ifdef XASH_ANDROID
+	FS_AddArchive_Fullpath( &g_android_archive, dir, flags );
+#endif
+
 	// add the directory to the search path
 	// (unpacked files have the priority over packed files)
 	search = FS_AddArchive_Fullpath( &g_directory_archive, dir, flags );
@@ -596,7 +603,7 @@ static void FS_WriteGameInfo( const char *filepath, gameinfo_t *GameInfo )
 	}
 
 	if( GameInfo->noskills )
-		FS_Printf( f, "noskills\t\t\"%i\"\n", GameInfo->nomodels );
+		FS_Printf( f, "noskills\t\t\"%i\"\n", GameInfo->noskills );
 
 #define SAVE_AGED_COUNT 2 // the default count of quick and auto saves
 	if( GameInfo->quicksave_aged_count != SAVE_AGED_COUNT )
@@ -606,6 +613,13 @@ static void FS_WriteGameInfo( const char *filepath, gameinfo_t *GameInfo )
 		FS_Printf( f, "autosave_aged_count\t\t%d\n", GameInfo->autosave_aged_count );
 #undef SAVE_AGED_COUNT
 
+	// HL25 compatibility
+	if( GameInfo->animated_title )
+		FS_Printf( f, "animated_title\t\t%i\n", GameInfo->animated_title );
+
+	if( GameInfo->hd_background )
+		FS_Printf( f, "hd_background\t\t%i\n", GameInfo->hd_background );
+
 	// always expose our extensions :)
 	FS_Printf( f, "internal_vgui_support\t\t%s\n", GameInfo->internal_vgui_support ? "1" : "0" );
 	FS_Printf( f, "render_picbutton_text\t\t%s\n", GameInfo->render_picbutton_text ? "1" : "0" );
@@ -638,7 +652,7 @@ void FS_InitGameInfo( gameinfo_t *GameInfo, const char *gamedir )
 	Q_strncpy( GameInfo->sp_entity, "info_player_start", sizeof( GameInfo->sp_entity ));
 	Q_strncpy( GameInfo->mp_entity, "info_player_deathmatch", sizeof( GameInfo->mp_entity ));
 
-	GameInfo->max_edicts     = 900; // default value if not specified
+	GameInfo->max_edicts     = DEFAULT_MAX_EDICTS; // default value if not specified
 	GameInfo->max_tents      = 500;
 	GameInfo->max_beams      = 128;
 	GameInfo->max_particles  = 4096;
@@ -770,19 +784,30 @@ void FS_ParseGenericGameInfo( gameinfo_t *GameInfo, const char *buf, const qbool
 		else if( !Q_stricmp( token, "secure" ))
 		{
 			pfile = COM_ParseFile( pfile, token, sizeof( token ));
-			GameInfo->secure = Q_atoi( token );
+			GameInfo->secure = Q_atoi( token ) ? true : false;
 		}
 		// valid for both
 		else if( !Q_stricmp( token, "nomodels" ))
 		{
 			pfile = COM_ParseFile( pfile, token, sizeof( token ));
-			GameInfo->nomodels = Q_atoi( token );
+			GameInfo->nomodels = Q_atoi( token ) ? true : false;
 		}
 		else if( !Q_stricmp( token, isGameInfo ? "max_edicts" : "edicts" ))
 		{
 			pfile = COM_ParseFile( pfile, token, sizeof( token ));
 			GameInfo->max_edicts = bound( MIN_EDICTS, Q_atoi( token ), MAX_EDICTS );
 		}
+		// valid for both
+		else if( !Q_stricmp( token, "hd_background" ))
+		{
+			pfile = COM_ParseFile( pfile, token, sizeof( token ));
+			GameInfo->hd_background = Q_atoi( token ) ? true : false;
+		}
+		else if( !Q_stricmp( token, "animated_title" ))
+		{
+			pfile = COM_ParseFile( pfile, token, sizeof( token ));
+			GameInfo->animated_title = Q_atoi( token ) ? true : false;
+		}
 		// only for gameinfo
 		else if( isGameInfo )
 		{
@@ -844,17 +869,17 @@ void FS_ParseGenericGameInfo( gameinfo_t *GameInfo, const char *buf, const qbool
 			else if( !Q_stricmp( token, "noskills" ))
 			{
 				pfile = COM_ParseFile( pfile, token, sizeof( token ));
-				GameInfo->noskills = Q_atoi( token );
+				GameInfo->noskills = Q_atoi( token ) ? true : false;
 			}
 			else if( !Q_stricmp( token, "render_picbutton_text" ))
 			{
 				pfile = COM_ParseFile( pfile, token, sizeof( token ));
-				GameInfo->render_picbutton_text = Q_atoi( token );
+				GameInfo->render_picbutton_text = Q_atoi( token ) ? true : false;
 			}
 			else if( !Q_stricmp( token, "internal_vgui_support" ))
 			{
 				pfile = COM_ParseFile( pfile, token, sizeof( token ));
-				GameInfo->internal_vgui_support = Q_atoi( token );
+				GameInfo->internal_vgui_support = Q_atoi( token ) ? true : false;
 			}
 			else if( !Q_stricmp( token, "quicksave_aged_count" ))
 			{
@@ -1053,29 +1078,39 @@ static qboolean FS_ParseGameInfo( const char *gamedir, gameinfo_t *GameInfo )
 		roGameInfoTime = FS_SysFileTime( gameinfo_ro );
 		rwGameInfoTime = FS_SysFileTime( gameinfo_path );
 
+		// if rodir's liblist.gam newer than rwdir's gameinfo.txt, then convert it
 		if( roLibListTime > rwGameInfoTime )
 		{
 			haveUpdate = FS_ConvertGameInfo( gamedir, gameinfo_path, liblist_ro );
 		}
+		// if rodir's gameinfo.txt newer than rwdir's gameinfo.txt, just copy the file
 		else if( roGameInfoTime > rwGameInfoTime )
 		{
-			fs_offset_t len;
-			char *afile_ro = (char *)FS_LoadDirectFile( gameinfo_ro, &len );
+			file_t *ro, *rw;
+			fs_offset_t ro_size;
 
-			if( afile_ro )
-			{
-				Con_DPrintf( "Copy rodir %s to rwdir %s\n", gameinfo_ro, gameinfo_path );
-				haveUpdate = true;
-				FS_WriteFile( gameinfo_path, afile_ro, len );
-				Mem_Free( afile_ro );
-			}
+			// read & write as binary to copy the exact file
+			ro = FS_SysOpen( gameinfo_ro, "rb" );
+			rw = FS_SysOpen( gameinfo_path, "wb" );
+
+			FS_Seek( ro, 0, SEEK_END );
+			ro_size = FS_Tell( ro );
+			FS_Seek( ro, 0, SEEK_SET );
+
+			FS_FileCopy( rw, ro, ro_size );
+
+			FS_Close( rw );
+			FS_Close( ro );
+
+			haveUpdate = true;
 		}
 
 		FS_AllowDirectPaths( false );
 	}
 
+	// do not update gameinfo.txt, if it was just copied from rodir's
 	// if user change liblist.gam update the gameinfo.txt
-	if( FS_FileTime( liblist_path, false ) > FS_FileTime( gameinfo_path, false ))
+	if( !haveUpdate && FS_FileTime( liblist_path, false ) > FS_FileTime( gameinfo_path, false ))
 		FS_ConvertGameInfo( gamedir, gameinfo_path, liblist_path );
 
 	// force to create gameinfo for specified game if missing
@@ -1386,7 +1421,7 @@ static void _Sys_Error( const char *fmt, ... )
 	exit( 1 );
 }
 
-static void *_Platform_GetNativeObject_stub( const char *object )
+static void *Sys_GetNativeObject_stub( const char *object )
 {
 	return NULL;
 }
@@ -1406,6 +1441,10 @@ qboolean FS_InitStdio( qboolean unused_set_to_true, const char *rootdir, const c
 
 	FS_InitMemory();
 
+#ifdef XASH_ANDROID
+	FS_InitAndroid();
+#endif
+
 	Q_strncpy( fs_rootdir, rootdir, sizeof( fs_rootdir ));
 	Q_strncpy( fs_gamedir, gamedir, sizeof( fs_gamedir ));
 	Q_strncpy( fs_basedir, basedir, sizeof( fs_basedir ));
@@ -1638,6 +1677,9 @@ file_t *FS_SysOpen( const char *filepath, const char *mode )
 
 	if( file->handle < 0 )
 	{
+		if( errno != ENOENT )
+			Con_Printf( S_ERROR "%s: can't open file %s: %s\n", __func__, filepath, strerror( errno ));
+
 		Mem_Free( file );
 		return NULL;
 	}
@@ -2841,7 +2883,7 @@ fs_interface_t g_engfuncs =
 	_Mem_Alloc,
 	_Mem_Realloc,
 	_Mem_Free,
-	_Platform_GetNativeObject_stub
+	Sys_GetNativeObject_stub
 };
 
 static qboolean FS_InitInterface( int version, fs_interface_t *engfuncs )
@@ -2883,9 +2925,9 @@ static qboolean FS_InitInterface( int version, fs_interface_t *engfuncs )
 		Con_Reportf( "filesystem_stdio: custom memory allocation functions found\n" );
 	}
 
-	if( engfuncs->_Platform_GetNativeObject )
+	if( engfuncs->_Sys_GetNativeObject )
 	{
-		g_engfuncs._Platform_GetNativeObject = engfuncs->_Platform_GetNativeObject;
+		g_engfuncs._Sys_GetNativeObject = engfuncs->_Sys_GetNativeObject;
 		Con_Reportf( "filesystem_stdio: custom platform-specific functions found\n" );
 	}
 

filesystem/filesystem.h

@@ -32,7 +32,8 @@ extern "C"
 #endif // __cplusplus
 
 #define FS_API_VERSION 2 // not stable yet!
-#define FS_API_CREATEINTERFACE_TAG "XashFileSystem002" // follow FS_API_VERSION!!!
+#define FS_API_CREATEINTERFACE_TAG   "XashFileSystem002" // follow FS_API_VERSION!!!
+#define FILESYSTEM_INTERFACE_VERSION "VFileSystem009" // never change this!
 
 // search path flags
 enum
@@ -105,6 +106,10 @@ typedef struct gameinfo_s
 
 	int		quicksave_aged_count; // min is 1, max is 99
 	int		autosave_aged_count; // min is 1, max is 99
+
+	// HL25 compatibility keys
+	qboolean hd_background;
+	qboolean animated_title;
 } gameinfo_t;
 
 typedef enum
@@ -205,12 +210,12 @@ typedef struct fs_interface_t
 	// memory
 	poolhandle_t (*_Mem_AllocPool)( const char *name, const char *filename, int fileline );
 	void  (*_Mem_FreePool)( poolhandle_t *poolptr, const char *filename, int fileline );
-	void *(*_Mem_Alloc)( poolhandle_t poolptr, size_t size, qboolean clear, const char *filename, int fileline );
-	void *(*_Mem_Realloc)( poolhandle_t poolptr, void *memptr, size_t size, qboolean clear, const char *filename, int fileline );
+	void *(*_Mem_Alloc)( poolhandle_t poolptr, size_t size, qboolean clear, const char *filename, int fileline ) ALLOC_CHECK( 2 );
+	void *(*_Mem_Realloc)( poolhandle_t poolptr, void *memptr, size_t size, qboolean clear, const char *filename, int fileline ) ALLOC_CHECK( 3 );
 	void  (*_Mem_Free)( void *data, const char *filename, int fileline );
 
 	// platform
-	void *(*_Platform_GetNativeObject)( const char *object );
+	void *(*_Sys_GetNativeObject)( const char *object );
 } fs_interface_t;
 
 typedef int (*FSAPI)( int version, fs_api_t *api, fs_globals_t **globals, fs_interface_t *interface );

filesystem/filesystem_internal.h

@@ -22,6 +22,10 @@ GNU General Public License for more details.
 #include "xash3d_types.h"
 #include "filesystem.h"
 
+#if XASH_ANDROID
+#include <android/asset_manager.h>
+#endif
+
 #ifdef __cplusplus
 extern "C"
 {
@@ -31,6 +35,10 @@ typedef struct dir_s dir_t;
 typedef struct zip_s zip_t;
 typedef struct pack_s pack_t;
 typedef struct wfile_s wfile_t;
+#if XASH_ANDROID
+typedef struct android_assets_s android_assets_t;
+// typedef struct android_saf_s android_saf_t;
+#endif
 
 #define FILE_BUFF_SIZE		(2048)
 
@@ -58,7 +66,8 @@ enum
 	SEARCHPATH_PAK,
 	SEARCHPATH_WAD,
 	SEARCHPATH_ZIP,
-	SEARCHPATH_PK3DIR, // it's actually a plain directory but it must behave like a ZIP archive
+	SEARCHPATH_PK3DIR, // it's actually a plain directory but it must behave like a ZIP archive,
+	SEARCHPATH_ANDROID_ASSETS
 };
 
 typedef struct stringlist_s
@@ -81,6 +90,9 @@ typedef struct searchpath_s
 		pack_t  *pack;
 		wfile_t *wad;
 		zip_t   *zip;
+#if XASH_ANDROID
+		android_assets_t *assets;
+#endif
 	};
 
 	struct searchpath_s *next;
@@ -127,7 +139,7 @@ extern const fs_archive_t g_archives[];
 #define Con_DPrintf (*g_engfuncs._Con_DPrintf)
 #define Con_Reportf (*g_engfuncs._Con_Reportf)
 #define Sys_Error   (*g_engfuncs._Sys_Error)
-#define Platform_GetNativeObject (*g_engfuncs._Platform_GetNativeObject)
+#define Sys_GetNativeObject (*g_engfuncs._Sys_GetNativeObject)
 
 //
 // filesystem.c
@@ -179,7 +191,7 @@ qboolean MD5_HashFile( byte digest[16], const char *pszFileName, uint seed[4] );
 // stringlist ops
 void stringlistinit( stringlist_t *list );
 void stringlistfreecontents( stringlist_t *list );
-void stringlistappend( stringlist_t *list, char *text );
+void stringlistappend( stringlist_t *list, const char *text );
 void stringlistsort( stringlist_t *list );
 void listdirectory( stringlist_t *list, const char *path );
 
@@ -225,6 +237,12 @@ searchpath_t *FS_AddDir_Fullpath( const char *path, int flags );
 qboolean FS_FixFileCase( dir_t *dir, const char *path, char *dst, const size_t len, qboolean createpath );
 void FS_InitDirectorySearchpath( searchpath_t *search, const char *path, int flags );
 
+//
+// android.c
+//
+void FS_InitAndroid( void );
+searchpath_t *FS_AddAndroidAssets_Fullpath( const char *path, int flags );
+
 #ifdef __cplusplus
 }
 #endif

filesystem/pak.c

@@ -334,7 +334,7 @@ searchpath_t *FS_AddPak_Fullpath( const char *pakfile, int flags )
 {
 	searchpath_t *search;
 	pack_t *pak;
-	int i, errorcode = PAK_LOAD_COULDNT_OPEN;
+	int errorcode = PAK_LOAD_COULDNT_OPEN;
 
 	pak = FS_LoadPackPAK( pakfile, &errorcode );
 

filesystem/tests/interface.cpp

@@ -18,7 +18,6 @@ typedef void *HMODULE;
 
 HMODULE g_hModule;
 FSAPI g_pfnGetFSAPI;
-typedef void *(*pfnCreateInterface_t)( const char *, int * );
 pfnCreateInterface_t g_pfnCreateInterface;
 fs_api_t g_fs;
 fs_globals_t *g_nullglobals;

filesystem/wscript

@@ -10,19 +10,19 @@ def configure(conf):
 	}
 	conf.env.append_unique('CXXFLAGS', conf.get_flags_by_compiler(nortti, conf.env.COMPILER_CC))
 
-	if conf.env.DEST_OS != 'android':
-		if conf.env.cxxshlib_PATTERN.startswith('lib'):
-			conf.env.cxxshlib_PATTERN = conf.env.cxxshlib_PATTERN[3:]
+	if conf.env.DEST_OS == 'android':
+		conf.check_cc(lib='android')
+	elif conf.env.cxxshlib_PATTERN.startswith('lib'): # remove lib prefix for other systems than Android
+		conf.env.cxxshlib_PATTERN = conf.env.cxxshlib_PATTERN[3:]
 
 def build(bld):
 	bld(name = 'filesystem_includes', export_includes = '.')
 
-	libs = [ 'filesystem_includes' ]
+	libs = [ 'filesystem_includes', 'sdk_includes' ]
+
 	# on PSVita do not link any libraries that are already in the main executable, but add the includes target
-	if bld.env.DEST_OS == 'psvita':
-		libs += [ 'sdk_includes' ]
-	else:
-		libs += [ 'public' ]
+	if bld.env.DEST_OS != 'psvita':
+		libs += [ 'public', 'ANDROID' ]
 
 	bld.shlib(target = 'filesystem_stdio',
 		features = 'cxx seq',

filesystem/zip.c

@@ -129,6 +129,8 @@ struct zip_s
 	zipfile_t	*files;
 };
 
+// #define ENABLE_CRC_CHECK // known to be buggy because of possible libpublic crc32 bug, disabled
+
 #ifdef XASH_REDUCE_FD
 static void FS_EnsureOpenZip( zip_t *zip )
 {
@@ -423,12 +425,13 @@ FS_LoadZIPFile
 static byte *FS_LoadZIPFile( searchpath_t *search, const char *path, int pack_ind, fs_offset_t *sizeptr )
 {
 	zipfile_t *file;
-	int		index;
 	byte		*compressed_buffer = NULL, *decompressed_buffer = NULL;
 	int		zlib_result = 0;
-	dword		test_crc, final_crc;
 	z_stream	decompress_stream;
 	size_t      c;
+#ifdef ENABLE_CRC_CHECK
+	dword		test_crc, final_crc;
+#endif // ENABLE_CRC_CHECK
 
 	if( sizeptr ) *sizeptr = 0;
 
@@ -460,7 +463,7 @@ static byte *FS_LoadZIPFile( searchpath_t *search, const char *path, int pack_in
 			return NULL;
 		}
 
-#if 0
+#ifdef ENABLE_CRC_CHECK
 		CRC32_Init( &test_crc );
 		CRC32_ProcessBuffer( &test_crc, decompressed_buffer, file->size );
 
@@ -472,7 +475,8 @@ static byte *FS_LoadZIPFile( searchpath_t *search, const char *path, int pack_in
 			Mem_Free( decompressed_buffer );
 			return NULL;
 		}
-#endif
+#endif // ENABLE_CRC_CHECK
+
 		if( sizeptr ) *sizeptr = file->size;
 
 		FS_EnsureOpenZip( NULL );
@@ -516,7 +520,7 @@ static byte *FS_LoadZIPFile( searchpath_t *search, const char *path, int pack_in
 		if( zlib_result == Z_OK || zlib_result == Z_STREAM_END )
 		{
 			Mem_Free( compressed_buffer ); // finaly free compressed buffer
-#if 0
+#if ENABLE_CRC_CHECK
 			CRC32_Init( &test_crc );
 			CRC32_ProcessBuffer( &test_crc, decompressed_buffer, file->size );
 
@@ -668,7 +672,7 @@ searchpath_t *FS_AddZip_Fullpath( const char *zipfile, int flags )
 {
 	searchpath_t *search;
 	zip_t *zip;
-	int i, errorcode = ZIP_LOAD_COULDNT_OPEN;
+	int errorcode = ZIP_LOAD_COULDNT_OPEN;
 
 	zip = FS_LoadZip( zipfile, &errorcode );
 

game_launch/wscript

@@ -21,21 +21,19 @@ def configure(conf):
 	conf.define_cond('XASH_DISABLE_MENU_CHANGEGAME', conf.options.DISABLE_MENU_CHANGEGAME)
 
 def build(bld):
-	libs = ['sdk_includes']
 	source = ['game.cpp']
-	defines = []
 
-	if bld.env.DEST_OS != 'win32':
-		libs += [ 'DL' ]
-	else:
-		libs += ['USER32', 'SHELL32']
+	if bld.env.DEST_OS == 'win32':
 		source += ['game.rc']
 
+	# Half-Life 25th anniversary update doesn't have server library explicitly linked to libm
+	if bld.env.DEST_OS == 'linux':
+		bld.env.LDFLAGS += ['-Wl,--no-as-needed', '-lm']
+
 	bld(source = source,
 		target   = 'xash3d', # hl.exe
 		features = 'c cxx cxxprogram',
-		use      = libs,
-		defines  = defines,
+		use      = 'sdk_includes DL USER32 SHELL32',
 		rpath    = bld.env.DEFAULT_RPATH,
 		install_path = bld.env.BINDIR,
 		subsystem = bld.env.MSVC_SUBSYSTEM

public/crclib.c

@@ -438,7 +438,10 @@ uint COM_HashKey( const char *string, uint hashSize )
 	unsigned char i;
 
 	while(( i = *string++ ))
+	{
+		i = Q_tolower( i );
 		hashKey = ( hashKey << 5 ) + hashKey + ( i & 0xDF );
+	}
 
 	return hashKey & ( hashSize - 1 );
 }

public/crtlib.c

@@ -645,10 +645,10 @@ void COM_ExtractFilePath( const char *path, char *dest )
 	const char *src = path + Q_strlen( path ) - 1;
 
 	// back up until a \ or the start
-	while( src != path && !(*(src - 1) == '\\' || *(src - 1) == '/' ))
+	while( src > path && !(*(src - 1) == '\\' || *(src - 1) == '/' ))
 		src--;
 
-	if( src != path )
+	if( src > path )
 	{
 		memcpy( dest, path, src - path );
 		dest[src - path - 1] = 0; // cutoff backslash

public/tests/test_efp.c

@@ -0,0 +1,40 @@
+#include <stdlib.h>
+#include "crtlib.h"
+#include <stdio.h>
+
+int Test_ExtractFilePath( void )
+{
+	char dst[64];
+	const char *strings[] =
+	{
+		"dir/file", "dir",
+		"bark\\meow", "bark",
+		"nopath", "",
+		"knee/deep/in/paths", "knee/deep/in",
+		// yes, it removes the behavior/ even if it might be technically a directory
+		"keep/the/original/func/behavior/", "keep/the/original/func",
+		"backslashes\\are\\annoying\\af", "backslashes\\are\\annoying",
+		"", ""
+	};
+	size_t i;
+
+	for( i = 0; i < sizeof( strings ) / sizeof( strings[0] ); i += 2 )
+	{
+		COM_ExtractFilePath( strings[i], dst );
+		if( Q_strcmp( dst, strings[i+1] ))
+		{
+			printf( "%s %s %s\n", strings[i], strings[i+1], dst );
+			return (i >> 1) + 1;
+		}
+	}
+
+	return 0;
+}
+
+int main( void )
+{
+	if( Test_ExtractFilePath( ))
+		return EXIT_FAILURE;
+
+	return EXIT_SUCCESS;
+}

public/wscript

@@ -12,8 +12,7 @@ def options(opt):
 	return
 
 def configure(conf):
-	# stub
-	return
+	conf.define('XASH_BUILD_COMMIT', conf.env.GIT_VERSION if conf.env.GIT_VERSION else 'notset')
 
 def build(bld):
 	bld(name = 'sdk_includes', export_includes = '. ../common ../pm_shared ../engine')
@@ -28,6 +27,7 @@ def build(bld):
 			'strings': 'tests/test_strings.c',
 			'build': 'tests/test_build.c',
 			'filebase': 'tests/test_filebase.c',
+			'efp': 'tests/test_efp.c',
 		}
 
 		for i in tests:

public/xash3d_mathlib.c

@@ -384,18 +384,6 @@ void VectorsAngles( const vec3_t forward, const vec3_t right, const vec3_t up, v
 //
 // bounds operations
 //
-/*
-=================
-ClearBounds
-=================
-*/
-void ClearBounds( vec3_t mins, vec3_t maxs )
-{
-	// make bogus range
-	mins[0] = mins[1] = mins[2] =  999999.0f;
-	maxs[0] = maxs[1] = maxs[2] = -999999.0f;
-}
-
 /*
 =================
 AddPointToBounds
@@ -416,7 +404,7 @@ void AddPointToBounds( const vec3_t v, vec3_t mins, vec3_t maxs )
 
 /*
 =================
-ExpandBounds
+ExpandBounds (not used anywhere?)
 =================
 */
 void ExpandBounds( vec3_t mins, vec3_t maxs, float offset )
@@ -429,34 +417,6 @@ void ExpandBounds( vec3_t mins, vec3_t maxs, float offset )
 	maxs[2] += offset;
 }
 
-/*
-=================
-BoundsIntersect
-=================
-*/
-qboolean BoundsIntersect( const vec3_t mins1, const vec3_t maxs1, const vec3_t mins2, const vec3_t maxs2 )
-{
-	if( mins1[0] > maxs2[0] || mins1[1] > maxs2[1] || mins1[2] > maxs2[2] )
-		return false;
-	if( maxs1[0] < mins2[0] || maxs1[1] < mins2[1] || maxs1[2] < mins2[2] )
-		return false;
-	return true;
-}
-
-/*
-=================
-BoundsAndSphereIntersect
-=================
-*/
-qboolean BoundsAndSphereIntersect( const vec3_t mins, const vec3_t maxs, const vec3_t origin, float radius )
-{
-	if( mins[0] > origin[0] + radius || mins[1] > origin[1] + radius || mins[2] > origin[2] + radius )
-		return false;
-	if( maxs[0] < origin[0] - radius || maxs[1] < origin[1] - radius || maxs[2] < origin[2] - radius )
-		return false;
-	return true;
-}
-
 /*
 =================
 SphereIntersect

public/xash3d_mathlib.h

@@ -195,10 +195,32 @@ void AngleVectors( const vec3_t angles, vec3_t forward, vec3_t right, vec3_t up
 void VectorsAngles( const vec3_t forward, const vec3_t right, const vec3_t up, vec3_t angles );
 void PlaneIntersect( const struct mplane_s *plane, const vec3_t p0, const vec3_t p1, vec3_t out );
 
-void ClearBounds( vec3_t mins, vec3_t maxs );
+static inline void ClearBounds( vec3_t mins, vec3_t maxs )
+{
+	// make bogus range
+	mins[0] = mins[1] = mins[2] =  999999.0f;
+	maxs[0] = maxs[1] = maxs[2] = -999999.0f;
+}
+
+static inline qboolean BoundsIntersect( const vec3_t mins1, const vec3_t maxs1, const vec3_t mins2, const vec3_t maxs2 )
+{
+	if( mins1[0] > maxs2[0] || mins1[1] > maxs2[1] || mins1[2] > maxs2[2] )
+		return false;
+	if( maxs1[0] < mins2[0] || maxs1[1] < mins2[1] || maxs1[2] < mins2[2] )
+		return false;
+	return true;
+}
+
+static inline qboolean BoundsAndSphereIntersect( const vec3_t mins, const vec3_t maxs, const vec3_t origin, float radius )
+{
+	if( mins[0] > origin[0] + radius || mins[1] > origin[1] + radius || mins[2] > origin[2] + radius )
+		return false;
+	if( maxs[0] < origin[0] - radius || maxs[1] < origin[1] - radius || maxs[2] < origin[2] - radius )
+		return false;
+	return true;
+}
+
 void AddPointToBounds( const vec3_t v, vec3_t mins, vec3_t maxs );
-qboolean BoundsIntersect( const vec3_t mins1, const vec3_t maxs1, const vec3_t mins2, const vec3_t maxs2 );
-qboolean BoundsAndSphereIntersect( const vec3_t mins, const vec3_t maxs, const vec3_t origin, float radius );
 qboolean SphereIntersect( const vec3_t vSphereCenter, float fSphereRadiusSquared, const vec3_t vLinePt, const vec3_t vLineDir );
 float RadiusFromBounds( const vec3_t mins, const vec3_t maxs );
 void ExpandBounds( vec3_t mins, vec3_t maxs, float offset );

ref/gl/gl2_shim/fragment.glsl.inc

@@ -0,0 +1,70 @@
+"#if VER <= 300\n"
+"#define layout(x)\n"
+"#endif\n"
+"#if VER < 300\n"
+"#define out attribute\n"
+"#define in varying\n"
+"#define texture texture2D\n"
+"#endif\n"
+"#if VER >= 130 || VER == 100\n"
+"precision mediump float;\n"
+"#endif\n"
+"#if VER == 100\n"
+"#define PREC mediump\n"
+"#else\n"
+"#define PREC\n"
+"#endif\n"
+"#if ATTR_TEXCOORD0\n"
+"uniform sampler2D uTex0;\n"
+"#endif\n"
+"#if ATTR_TEXCOORD1\n"
+"uniform sampler2D uTex1;\n"
+"#endif\n"
+"#if FEAT_ALPHA_TEST\n"
+"uniform float uAlphaTest;\n"
+"#endif\n"
+"#if FEAT_FOG\n"
+"uniform PREC vec4 uFog;\n"
+"#endif\n"
+"uniform PREC vec4 uColor;\n"
+"#if ATTR_COLOR\n"
+"in PREC vec4 vColor;\n"
+"#endif\n"
+"#if ATTR_TEXCOORD0\n"
+"in PREC vec2 vTexCoord0;\n"
+"#endif\n"
+"#if ATTR_TEXCOORD1\n"
+"in PREC vec2 vTexCoord1;\n"
+"#endif\n"
+"#if ATTR_NORMAL\n"
+"in PREC vec2 vNormal;\n"
+"#endif\n"
+"#if VER >= 300\n"
+"out vec4 oFragColor;\n"
+"#else\n"
+"#define oFragColor gl_FragColor\n"
+"#endif\n"
+"void main()\n"
+"{\n"
+"#if ATTR_COLOR\n"
+"PREC vec4 c = vColor;\n"
+"#else\n"
+"PREC vec4 c = uColor;\n"
+"#endif\n"
+"#if ATTR_TEXCOORD0\n"
+"c = c * texture(uTex0, vTexCoord0);\n"
+"#endif\n"
+"#if ATTR_TEXCOORD1\n"
+"c = c * texture(uTex1, vTexCoord1);\n"
+"#endif\n"
+"#if FEAT_ALPHA_TEST\n"
+"if(c.a <= uAlphaTest)\n"
+"discard;\n"
+"#endif\n"
+"#if FEAT_FOG\n"
+"float fogDist = gl_FragCoord.z / gl_FragCoord.w;\n"
+"float fogRate = clamp(exp(-uFog.w * fogDist), 0.0, 1.0);\n"
+"c.rgb = mix(uFog.rgb, c.rgb, fogRate);\n"
+"#endif\n"
+"oFragColor = c;\n"
+"}\n"