New launch mechanism: removes wrapper app bundle, and supports paths with spaces.

OpenRA.Launcher.Mac/main.m

@@ -8,7 +8,47 @@
 
 #import <Cocoa/Cocoa.h>
 
+extern char **environ;
 int main(int argc, char *argv[])
 {
-    return NSApplicationMain(argc,  (const char **) argv);
+	/* When launching a mod, the arguments are of the form 
+	 * --launch <game dir> <support dir option> <mod option> */
+	if (argc >= 5 && strcmp(argv[1], "--launch") == 0)
+	{
+		/* Change into the game dir */
+		chdir(argv[2]);
+
+		/* Command line args for mono */
+		char *args[] = {
+			"/Library/Frameworks/Mono.framework/Commands/mono",
+			"--debug",
+			"OpenRA.Game.exe",
+			argv[3],
+			argv[4],
+			NULL
+		};
+		
+		/* add game dir to DYLD_LIBRARY_PATH */
+		char *old = getenv("DYLD_LIBRARY_PATH");
+		if (old == NULL)
+			setenv("DYLD_LIBRARY_PATH", argv[2], 1);
+		else
+		{
+			char buf[512];
+			int len = strlen(argv[2]) + strlen(old) + 2;
+			if (len > 512)
+			{
+				NSLog(@"Insufficient DYLD_LIBRARY_PATH buffer length. Wanted %d, had 512", len);
+				exit(1);
+			}
+			sprintf(buf,"%s:%s",argv[2], old);
+			setenv("DYLD_LIBRARY_PATH", buf, 1);
+		}
+
+		/* Exec mono */
+		execve(args[0], args, environ);
+	}
+	
+	/* Else, start the launcher */
+	return NSApplicationMain(argc,  (const char **) argv);
 }