logLevelInvalid for bad function calls and invalid data formats.

include/core.h

@@ -43,6 +43,8 @@ int lcoreTakeScreenshot( lua_State *L );
 int lcoreSetConfigFlags( lua_State *L );
 int lcoreTraceLog( lua_State *L );
 int lcoreSetTraceLogLevel( lua_State *L );
+int lcoreSetLogLevelInvalid( lua_State *L );
+int lcoreGetLogLevelInvalid( lua_State *L );
 int lcoreOpenURL( lua_State *L );
 /* Cursor. */
 int lcoreShowCursor( lua_State *L );

include/lua_core.h

@@ -1,5 +1,8 @@
 #pragma once
 
+void defineGlobals();
+void logCustom( int logLevel, const char *text, va_list args );
+
 bool luaInit();
 int luaTraceback( lua_State *L );
 bool luaCallMain();

include/state.h

@@ -21,6 +21,7 @@ typedef struct {
 	lua_State *luaState;
 	Vector2 resolution;
 	size_t guiFont;
+	int logLevelInvalid;
 	/* Resources. */
 		/* Images. */
 	Image **images;