iw5: more cursed macros (#2)

iw5/scripts/mp/_utility.gsh

@@ -55,6 +55,21 @@
 		} \
 	}
 
+#define _ON_PLAYER_SPAWNED_COROUTINE(ent) \
+	ent thread onPlayerSpawned()
+
+/* Captures a "spawned" event. Perform your action(s) using the "self" variable */
+#define _ON_PLAYER_SPAWNED_BEGIN onPlayerSpawned() \
+	{ \
+		GENERIC_COROUTINE_END \
+		while ( true ) \
+		{ \
+			self waittill( "spawned_player" );
+
+#define _ON_PLAYER_SPAWNED_END \
+		} \
+	}
+
 /* IW4x MP has printConsole Built-in. __VA_OPT__ requires C++20 compliant preprocessor */
 /* Do not use the + to concatenate strings, let the GSC VM do it for you */
 /* Other clients will have print available */