Add World.Loaded variable

src/Game.c

@@ -184,8 +184,7 @@ void Game_Disconnect(const String* title, const String* reason) {
 
 void Game_Reset(void) {
 	struct IGameComponent* comp;
-	World_Reset();
-	Event_RaiseVoid(&WorldEvents.NewMap);
+	World_NewMap();
 
 	if (World_TextureUrl.length) {
 		World_TextureUrl.length = 0;

src/Menus.c

@@ -178,7 +178,7 @@ static void Menu_Remove(void* screen, int i) {
 }
 
 static void Menu_BeginGen(int width, int height, int length) {
-	World_Reset();
+	World_NewMap();
 	World_SetDimensions(width, height, length);
 	GeneratingScreen_Show();
 }

src/Protocol.c

@@ -424,8 +424,7 @@ static void MapState_Read(struct MapState* m) {
 }
 
 static void Classic_StartLoading(void) {
-	World_Reset();
-	Event_RaiseVoid(&WorldEvents.NewMap);
+	World_NewMap();
 	Stream_ReadonlyMemory(&map_part, NULL, 0);
 
 	LoadingScreen_Show(&Server.Name, &Server.MOTD);

src/Screens.c

@@ -1346,7 +1346,6 @@ struct Screen* LoadingScreen_UNSAFE_RawPointer = (struct Screen*)&LoadingScreen;
 static void GeneratingScreen_Init(void* screen) {
 	Gen_Done = false;
 	LoadingScreen_Init(screen);
-	Event_RaiseVoid(&WorldEvents.NewMap);
 
 	Gen_Blocks = (BlockRaw*)Mem_TryAlloc(World.Volume, 1);
 	if (!Gen_Blocks) {

src/World.c

@@ -49,6 +49,12 @@ void World_Reset(void) {
 	Env_Reset();
 }
 
+void World_NewMap(void) {
+	World_Reset();
+	World.Loaded = false;
+	Event_RaiseVoid(&WorldEvents.NewMap);
+}
+
 void World_SetNewMap(BlockRaw* blocks, int width, int height, int length) {
 	World_SetDimensions(width, height, length);
 	World.Blocks = blocks;
@@ -65,6 +71,7 @@ void World_SetNewMap(BlockRaw* blocks, int width, int height, int length) {
 	if (Env.EdgeHeight == -1)   { Env.EdgeHeight   = height / 2; }
 	if (Env.CloudsHeight == -1) { Env.CloudsHeight = height + 2; }
 	GenerateNewUuid();
+	World.Loaded = true;
 }
 
 CC_NOINLINE void World_SetDimensions(int width, int height, int length) {

src/World.h

@@ -39,11 +39,17 @@ CC_VAR extern struct _WorldData {
 	/* e.g. this will be 255 if only 8 bit blocks are used */
 	int IDMask;
 #endif
+	/* Whether the world has finished loading/generating. */
+	/* NOTE: Blocks may still be NULL. (e.g. error during loading) */
+	cc_bool Loaded;
 } World;
 extern String World_TextureUrl;
 
 /* Frees the blocks array, sets dimensions to 0, resets environment to default. */
-CC_API void World_Reset(void);
+void World_Reset(void);
+/* Sets up state and raises WorldEvents.NewMap event */
+/* NOTE: This implicitly calls World_Reset. */
+CC_API void World_NewMap(void);
 /* Sets the blocks array and dimensions of the map. */
 /* May also sets some environment settings like border/clouds height, if they are -1 */
 CC_API void World_SetNewMap(BlockRaw* blocks, int width, int height, int length);