Restore iOS build support (#2352)

* initial commit

* initial commit

* add port files

* ios: Changes to allow creating app bundle without xcode projects

* ios: Added mic perms request

* ios: Very basic app bundle creation script

* ios: Fix -log parameter

* ios: Sdk no longer hardcoded and option to compile for simulator

* general: Update gitignore

* ios: Enable game mode for the app

* ios: Compile instructions and updated ipa creation script

* ios: Code cleanup

* ios: Remove dylibs

* general: Remove extra submodules

* ios: Remove dylibs again

* ios: Implement suggested changes

* ios: Fix building as dylib instead of binary

* ios: Scripts for building mods

* ios: Move 'ios' contents to engine/platform/ios/bundle and modify scripts

* ios: Update createipa.sh to use waf install

* ios: Clean script and updated README

* general: Fix spelling mistake and outdated instructions

* ios: Clean up in xcompile.py

* ios: Fix createipa.sh generating an invalid ipa

* ios: Temporary fix for launch dialog textfield colors in dark mode

scripts/ios/buildhlsdk.sh

@@ -0,0 +1,27 @@
+#!/bin/bash
+
+#cd into script directory
+SCRIPTDIR=${0%/*}
+cd $SCRIPTDIR
+
+MODPATH=mod-build/$1
+if [ -z $1 ]; then
+    MODPATH=mod-build/hlsdk
+    git clone --recursive https://github.com/FWGS/hlsdk-portable -b mobile_hacks $MODPATH
+else
+    git clone --recursive https://github.com/FWGS/hlsdk-portable -b $1 $MODPATH
+fi
+
+mkdir ../../build/ios
+IOSDIR=$(realpath ../../build/ios)
+cd $MODPATH
+
+#compiling hlsdk for ios release is broken, so just build for debug
+cmake -DCMAKE_SYSTEM_NAME=iOS -DGAMEDIR=$IOSDIR -DCMAKE_BUILD_TYPE=Debug -B build -S .
+cmake --build build --target install
+
+cd ../../
+if [ -d mod-build ]; then
+    rm -rf mod-build/
+fi
+exit 0

scripts/ios/createipa.sh

@@ -0,0 +1,38 @@
+#!/bin/bash
+
+#cd into script directory
+cd "${0%/*}"
+BUILDDIR=$(realpath ../../build)
+echo $BUILDDIR
+cd "../../engine/platform/ios/bundle"
+
+if [ -d $BUILDDIR ]; then
+    mkdir -p "$BUILDDIR/ios/xash3d.app"
+
+    cp -r "$BUILDDIR/ios/dlls" "$BUILDDIR/ios/xash3d.app"
+    cp -r "$BUILDDIR/ios/cl_dlls" "$BUILDDIR/ios/xash3d.app"
+    cp *.plist "$BUILDDIR/ios/xash3d.app"
+    if [ ! -d $BUILDDIR/SDL2.framework ]; then
+        echo "Couldn't find SDL2.framework, place it in the build directory"
+        exit 1
+    fi
+    cp -r $BUILDDIR/SDL2.framework "$BUILDDIR/ios/xash3d.app"
+
+    cd ../../../../
+
+    ./waf install --destdir="$BUILDDIR/ios/xash3d.app"
+
+    cd $BUILDDIR
+
+    rm -r "$BUILDDIR/ios/Payload/"
+    mkdir "$BUILDDIR/ios/Payload"
+
+    cp -r "$BUILDDIR/ios/xash3d.app" ios/Payload/
+    rm -r "$BUILDDIR/ios/xash3d.app"
+    cd ios
+    zip -r ../xash3d.ipa Payload
+    else
+    echo "Couldn't find the build directory, compile the engine before running this script!"
+    exit 1
+fi
+exit 0