Add waf buildscripts, add updated game_launch

game_launch/wscript

@@ -0,0 +1,58 @@
+#! /usr/bin/env python
+# encoding: utf-8
+# a1batross, mittorn, 2018
+
+from waflib import Logs
+import os
+
+top = '.'
+
+def options(opt):
+	# stub
+	return
+
+def configure(conf):
+	if(conf.env.SINGLE_BINARY):
+		return
+	
+	# check for dedicated server build
+	if conf.env.DEST_OS != 'win32' and not conf.env.DEDICATED:
+		# TODO: add way to specify SDL2 path, move to separate function
+		try:
+			conf.check_cfg(
+				path='sdl2-config', 
+				args='--cflags --libs', 
+				package='', 
+				msg='Checking for SDL2', 
+				uselib_store='SDL2')
+		except conf.errors.ConfigurationError:
+			conf.fatal('SDL2 not availiable! If you want to build dedicated server, specify --dedicated')
+		conf.env.append_unique('DEFINES', 'XASH_SDL')
+
+def get_subproject_name(ctx):
+        return os.path.basename(os.path.realpath(str(ctx.path)))
+
+def build(bld):
+	bld.load_envs()
+	bld.env = bld.all_envs[get_subproject_name(bld)]
+
+	source = 'game.cpp'
+	includes = '. ../common'
+	libs = []
+	
+	if bld.env.DEST_OS != 'win32':
+		libs += [ 'DL' ]
+		if not bld.env.DEDICATED:
+			libs += [ 'SDL2' ]
+	else:
+		# compile resource on Windows
+		bld.load('winres')
+		source += 'game.rc'
+
+	bld(
+		source   = source,
+		target   = 'xash3d', # hl.exe
+		features = 'c cprogram',
+		includes = includes,
+		use      = libs
+	)