add player.is_loading_chunks, .set_loading_chunks

src/logic/ChunksController.cpp

@@ -38,7 +38,9 @@ void ChunksController::update(
     int centerX = floordiv<CHUNK_W>(position.x);
     int centerY = floordiv<CHUNK_D>(position.z);
     
-    generator->update(centerX, centerY, loadDistance);
+    if (player.isLoadingChunks()) {
+        generator->update(centerX, centerY, loadDistance);
+    }
 
     int64_t mcstotal = 0;
 
@@ -121,6 +123,12 @@ bool ChunksController::buildLights(const Player& player, const std::shared_ptr<C
 }
 
 void ChunksController::createChunk(const Player& player, int x, int z) const {
+    if (!player.isLoadingChunks()) {
+        if (auto chunk = level.chunks->fetch(x, z)) {
+            player.chunks->putChunk(chunk);
+        }
+        return;
+    }
     auto chunk = level.chunks->create(x, z);
     player.chunks->putChunk(chunk);
     auto& chunkFlags = chunk->flags;

src/logic/scripting/lua/libs/libplayer.cpp

@@ -164,6 +164,20 @@ static int l_set_instant_destruction(lua::State* L) {
     return 0;
 }
 
+static int l_is_loading_chunks(lua::State* L) {
+    if (auto player = get_player(L, 1)) {
+        return lua::pushboolean(L, player->isLoadingChunks());
+    }
+    return 0;
+}
+
+static int l_set_loading_chunks(lua::State* L) {
+    if (auto player = get_player(L, 1)) {
+        player->setLoadingChunks(lua::toboolean(L, 2));
+    }
+    return 0;
+}
+
 static int l_get_selected_block(lua::State* L) {
     if (auto player = get_player(L, 1)) {
         if (player->selection.vox.id == BLOCK_VOID) {
@@ -282,6 +296,8 @@ const luaL_Reg playerlib[] = {
     {"set_infinite_items", lua::wrap<l_set_infinite_items>},
     {"is_instant_destruction", lua::wrap<l_is_instant_destruction>},
     {"set_instant_destruction", lua::wrap<l_set_instant_destruction>},
+    {"is_loading_chunks", lua::wrap<l_is_loading_chunks>},
+    {"set_loading_chunks", lua::wrap<l_set_loading_chunks>},
     {"set_selected_slot", lua::wrap<l_set_selected_slot>},
     {"get_selected_block", lua::wrap<l_get_selected_block>},
     {"get_selected_entity", lua::wrap<l_get_selected_entity>},