diff --git a/flake.nix b/flake.nix
index bc9ead2b0..ee1e6baa9 100644
--- a/flake.nix
+++ b/flake.nix
@@ -32,6 +32,7 @@
             glew
             zlib
             libpng
+            freetype
             libvorbis
             openal
             luajit
@@ -39,7 +40,7 @@
             entt
             mesa
             freeglut
-          ]; # libglvnd
+          ];
 
           packages = with pkgs; [
             glfw
diff --git a/res/models/block.vec3 b/res/models/block.vec3
index 0b274e755..a438a248a 100644
Binary files a/res/models/block.vec3 and b/res/models/block.vec3 differ
diff --git a/src/logic/BlocksController.cpp b/src/logic/BlocksController.cpp
index 8ab863927..1e3ad2441 100644
--- a/src/logic/BlocksController.cpp
+++ b/src/logic/BlocksController.cpp
@@ -186,7 +186,7 @@ void BlocksController::randomTick(int tickid, int parts, uint padding) {
                     continue;
                 }
                 auto& chunk = chunks.getChunks()[index];
-                if (chunk == nullptr || !chunk->flags.lighted) {
+                if (chunk == nullptr || !chunk->flags.ready) {
                     continue;
                 }
                 if (chunk->lastRandomTickId == randomTickId) {
diff --git a/src/logic/ChunksController.cpp b/src/logic/ChunksController.cpp
index 0c65a8df7..7a460c066 100644
--- a/src/logic/ChunksController.cpp
+++ b/src/logic/ChunksController.cpp
@@ -33,7 +33,11 @@ ChunksController::ChunksController(Level& level)
 ChunksController::~ChunksController() = default;
 
 void ChunksController::update(
-    int64_t maxDuration, int loadDistance, uint padding, Player& player
+    int64_t maxDuration,
+    int loadDistance,
+    uint padding,
+    Player& player,
+    bool isLocalPlayer
 ) const {
     const auto& position = player.getPosition();
     int centerX = floordiv<CHUNK_W>(glm::floor(position.x));
@@ -50,7 +54,7 @@ void ChunksController::update(
 
     for (uint i = 0; i < MAX_WORK_PER_FRAME; i++) {
         timeutil::Timer timer;
-        if (loadVisible(player, padding)) {
+        if (loadVisible(player, padding, isLocalPlayer)) {
             int64_t mcs = timer.stop();
             if (mcstotal + mcs < maxDuration * 1000) {
                 mcstotal += mcs;
@@ -77,7 +81,9 @@ bool ChunksController::isInLoadingZone(
     return distance < minDistance;
 }
 
-bool ChunksController::loadVisible(const Player& player, uint padding) const {
+bool ChunksController::loadVisible(
+    const Player& player, uint padding, bool isLocalPlayer
+) const {
     auto& chunks = *player.chunks;
     int sizeX = chunks.getWidth();
     int sizeY = chunks.getHeight();
@@ -113,7 +119,7 @@ bool ChunksController::loadVisible(const Player& player, uint padding) const {
             auto& chunk = chunks.getChunks()[index];
             if (chunk != nullptr) {
                 if (chunk->flags.loaded && !chunk->flags.lighted) {
-                    if (buildLights(player, chunk)) {
+                    if (isLocalPlayer && buildLights(player, chunk)) {
                         return true;
                     }
                 }
diff --git a/src/logic/ChunksController.hpp b/src/logic/ChunksController.hpp
index e9f367da1..8eaaf7dca 100644
--- a/src/logic/ChunksController.hpp
+++ b/src/logic/ChunksController.hpp
@@ -18,7 +18,7 @@ private:
     std::unique_ptr<WorldGenerator> generator;
 
     /// @brief Process one chunk: load it or calculate lights for it
-    bool loadVisible(const Player& player, uint padding) const;
+    bool loadVisible(const Player& player, uint padding, bool isLocalPlayer) const;
     bool buildLights(const Player& player, const std::shared_ptr<Chunk>& chunk) const;
     void createChunk(const Player& player, int x, int y) const;
 public:
@@ -29,7 +29,11 @@ public:
 
     /// @param maxDuration milliseconds reserved for chunks loading
     void update(
-        int64_t maxDuration, int loadDistance, uint padding, Player& player
+        int64_t maxDuration,
+        int loadDistance,
+        uint padding,
+        Player& player,
+        bool isLocalPlayer
     ) const;
 
     bool isInLoadingZone(const Player& player, uint padding, int x, int z) const;
diff --git a/src/logic/LevelController.cpp b/src/logic/LevelController.cpp
index 02bd6c925..4849df308 100644
--- a/src/logic/LevelController.cpp
+++ b/src/logic/LevelController.cpp
@@ -29,7 +29,8 @@ LevelController::LevelController(
       settings(engine.getSettings()),
       level(std::move(levelPtr)),
       chunks(std::make_unique<ChunksController>(*level)),
-      playerTickClock(20, 3) {
+      playerTickClock(20, 3),
+      clientPlayer(clientPlayer) {
     
     level->events->listen(LevelEventType::CHUNK_PRESENT, [](auto, Chunk* chunk) {
         scripting::on_chunk_present(*chunk, chunk->flags.loaded);
@@ -61,7 +62,7 @@ LevelController::LevelController(
             player->chunks->configure(
                 std::floor(position.x), std::floor(position.z), 1
             );
-            chunks->update(16, 1, 0, *player);
+            chunks->update(16, 1, 0, *player, player.get() == clientPlayer);
             if (player->chunks->get(
                     std::floor(position.x), 0, std::floor(position.z)
                 )) {
@@ -91,7 +92,8 @@ void LevelController::update(float delta, bool pause) {
             settings.chunks.loadSpeed.get(),
             settings.chunks.loadDistance.get(),
             settings.chunks.padding.get(),
-            *player
+            *player,
+            player.get() == clientPlayer
         );
     }
     if (!pause) {
diff --git a/src/logic/LevelController.hpp b/src/logic/LevelController.hpp
index a73745d14..5fbfde3c5 100644
--- a/src/logic/LevelController.hpp
+++ b/src/logic/LevelController.hpp
@@ -22,6 +22,8 @@ class LevelController {
     std::unique_ptr<ChunksController> chunks;
 
     util::Clock playerTickClock;
+
+    Player* clientPlayer;
 public:
     CallbacksSet<> preQuitCallbacks;
 
diff --git a/src/logic/scripting/lua/lua_engine.cpp b/src/logic/scripting/lua/lua_engine.cpp
index 2a9eb59cb..5edb24fd9 100644
--- a/src/logic/scripting/lua/lua_engine.cpp
+++ b/src/logic/scripting/lua/lua_engine.cpp
@@ -194,5 +194,10 @@ State* lua::create_state(const EnginePaths& paths, StateType stateType) {
         }
         pop(L);
     }
+
+    if (stateType == StateType::GENERATOR) {
+        pushnil(L);
+        setglobal(L, "ffi");
+    }
     return L;
 }
diff --git a/src/world/files/WorldRegions.cpp b/src/world/files/WorldRegions.cpp
index 14139ed37..d96ed46fb 100644
--- a/src/world/files/WorldRegions.cpp
+++ b/src/world/files/WorldRegions.cpp
@@ -157,7 +157,7 @@ void WorldRegions::put(Chunk* chunk, std::vector<ubyte> entitiesData) {
         return;
     }
     assert(chunk != nullptr);
-    if (!chunk->flags.lighted) {
+    if (!chunk->flags.ready) {
         return;
     }
     bool lightsUnsaved = !chunk->flags.loadedLights && doWriteLights;