Lua: "defrosting" global to tell how many tics are processing in the preticker

src/dehacked.c

@@ -9687,6 +9687,9 @@ static inline int lib_getenum(lua_State *L)
 	} else if (fastcmp(word,"leveltime")) {
 		lua_pushinteger(L, leveltime);
 		return 1;
+	} else if (fastcmp(word,"defrosting")) {
+		lua_pushinteger(L, hook_defrosting);
+		return 1;
 	} else if (fastcmp(word,"curWeather")) {
 		lua_pushinteger(L, curWeather);
 		return 1;

src/lua_hook.h

@@ -63,6 +63,7 @@ enum hook {
 extern const char *const hookNames[];
 
 extern boolean hook_cmd_running;	// This is used by PlayerCmd and lua_playerlib to prevent anything from being wirtten to player while we run PlayerCmd.
+extern int hook_defrosting;
 
 void LUAh_MapChange(INT16 mapnumber); // Hook for map change (before load)
 void LUAh_MapLoad(void); // Hook for map load

src/lua_script.c

@@ -35,6 +35,8 @@
 
 lua_State *gL = NULL;
 
+int hook_defrosting;
+
 // List of internal libraries to load from SRB2
 static lua_CFunction liblist[] = {
 	LUA_EnumLib, // global metatable for enums

src/p_tick.c

@@ -807,13 +807,15 @@ void P_Ticker(boolean run)
 // Abbreviated ticker for pre-loading, calls thinkers and assorted things
 void P_PreTicker(INT32 frames)
 {
-	INT32 i,framecnt;
+	INT32 i;
 	ticcmd_t temptic;
 
 	for (i = 0; i <= splitscreen; i++)
 		postimgtype[i] = postimg_none;
 
-	for (framecnt = 0; framecnt < frames; ++framecnt)
+	hook_defrosting = frames;
+
+	while (hook_defrosting)
 	{
 		P_MapStart();
 
@@ -860,5 +862,7 @@ void P_PreTicker(INT32 frames)
 #endif
 
 		P_MapEnd();
+
+		hook_defrosting--;
 	}
 }