Added fix for RA2

gamefixes-steam/2229850.py

@@ -0,0 +1,41 @@
+""" Game fix for Command & Conquer Red Alert™ 2 and Yuri’s Revenge™
+"""
+#pylint: disable=C0103
+
+import os
+
+from protonfixes import util
+from protonfixes.logger import log
+
+def main():
+    """ Launch CnCNet Launcher - if installed, install it if requested
+
+        The game crashes, when the launcher and it's patches are installed
+        and Ra2.exe or RA2MD.exe are called directly by Steam.
+        For this reason we must always use the launcher, if present.
+
+        The game will just show a black screen without cnc-ddraw or the patch in place.
+    """
+
+    # User requested to install the CnCnet Launcher
+    if os.environ.get('INSTALL_CNCNET'):
+        log('User wants to install CnCnet Launcher')
+        util.protontricks('cncnet_ra2')
+
+    # CnCnet Launcher is in place, run it
+    if os.path.isfile('CnCNetYRLauncher.exe'):
+        log('CnCnet Launcher found, bypass game execution!')
+        util.replace_command('Ra2.exe', 'CnCNetYRLauncher.exe')
+        util.replace_command('RA2MD.exe', 'CnCNetYRLauncher.exe')
+    else:
+        # Return early, if cnc_ddraw is installed or failed to install
+        if not util.protontricks('cnc_ddraw'):
+            log('cnc-ddraw found!')
+            return
+
+        # After installing cnc_ddraw, we need to prevent the game
+        # from loading the local ddraw.dll, instead of our override.
+        # Note: This is only done once.
+        if os.path.isfile('ddraw.dll'):
+            log('Renaming local ddraw.dll to ddraw.dll.bak')
+            os.rename('ddraw.dll', 'ddraw.dll.bak')