diff --git a/src/assets/AssetsLoader.cpp b/src/assets/AssetsLoader.cpp
index f8125d2b..576a6b65 100644
--- a/src/assets/AssetsLoader.cpp
+++ b/src/assets/AssetsLoader.cpp
@@ -73,7 +73,6 @@ bool _load_atlas(Assets* assets, const std::string& filename, const std::string&
 		if (file.extension() == ".png") {
 			std::string name = file.stem().string();
 			std::unique_ptr<ImageData> image (png::load_image(file.string()));
-			//image->flipY();
 			image->fixAlphaColor();
 			builder.add(name, image.release());
 		}
diff --git a/src/frontend/ContentGfxCache.cpp b/src/frontend/ContentGfxCache.cpp
new file mode 100644
index 00000000..2cf1affe
--- /dev/null
+++ b/src/frontend/ContentGfxCache.cpp
@@ -0,0 +1,26 @@
+#include "ContentGfxCache.h"
+
+#include <string>
+
+#include "../assets/Assets.h"
+#include "../content/Content.h"
+#include "../graphics/Atlas.h"
+#include "../voxels/Block.h"
+
+using std::string;
+
+ContentGfxCache::ContentGfxCache(const Content* content, Assets* assets) {
+    const ContentIndices* contentIds = content->indices;
+    sideregions = new UVRegion[contentIds->countBlockDefs() * 6];
+	Atlas* atlas = assets->getAtlas("blocks");
+	
+	for (uint i = 0; i < contentIds->countBlockDefs(); i++) {
+		Block* def = contentIds->getBlockDef(i);
+		for (uint side = 0; side < 6; side++) {
+			string tex = def->textureFaces[side];
+			if (atlas->has(tex)) {
+				sideregions[i * 6 + side] = atlas->get(tex);
+			}
+		}
+    }
+}
\ No newline at end of file
diff --git a/src/frontend/ContentGfxCache.h b/src/frontend/ContentGfxCache.h
new file mode 100644
index 00000000..81c709d8
--- /dev/null
+++ b/src/frontend/ContentGfxCache.h
@@ -0,0 +1,21 @@
+#ifndef FRONTEND_BLOCKS_GFX_CACHE_H_
+#define FRONTEND_BLOCKS_GFX_CACHE_H_
+
+#include "../graphics/UVRegion.h"
+#include "../typedefs.h"
+
+class Content;
+class Assets;
+
+class ContentGfxCache {
+    // array of block sides uv regions (6 per block)
+    UVRegion* sideregions;
+public:
+    ContentGfxCache(const Content* content, Assets* assets);
+
+    inline const UVRegion& getRegion(blockid_t id, int side) const {
+        return sideregions[id * 6 + side];
+    }
+};
+
+#endif // FRONTEND_BLOCKS_GFX_CACHE_H_
\ No newline at end of file
diff --git a/src/frontend/hud.cpp b/src/frontend/hud.cpp
index c65751df..9c6eac80 100644
--- a/src/frontend/hud.cpp
+++ b/src/frontend/hud.cpp
@@ -32,6 +32,7 @@
 #include "gui/panels.h"
 #include "gui/UINode.h"
 #include "gui/GUI.h"
+#include "ContentGfxCache.h"
 #include "screens.h"
 #include "../engine.h"
 #include "../core_defs.h"
@@ -49,10 +50,11 @@ inline Label* create_label(gui::wstringsupplier supplier) {
 	return label;
 }
 
-HudRenderer::HudRenderer(Engine* engine, Level* level) 
+HudRenderer::HudRenderer(Engine* engine, Level* level, const ContentGfxCache* cache) 
             : level(level), 
 			  assets(engine->getAssets()), 
-			  gui(engine->getGUI()) {
+			  gui(engine->getGUI()),
+			  cache(cache) {
 	auto menu = gui->getMenu();
 	batch = new Batch2D(1024);
 	uicamera = new Camera(vec3(), 1);
@@ -192,10 +194,9 @@ void HudRenderer::drawContentAccess(const GfxContext& ctx, Player* player) {
 		}
 		
 		if (cblock->model == BlockModel::block){
-			batch->blockSprite(x, y, icon_size, icon_size, (const UVRegion*)cblock->uvdata, tint);
+			batch->blockSprite(x, y, icon_size, icon_size, &cache->getRegion(cblock->id, 0), tint);
 		} else if (cblock->model == BlockModel::xsprite){
-			const UVRegion& region = (reinterpret_cast<UVRegion*>(cblock->uvdata))[3];
-			batch->sprite(x, y, icon_size, icon_size, region, tint);
+			batch->sprite(x, y, icon_size, icon_size, cache->getRegion(cblock->id, 3), tint);
 		}
 	}
 }
@@ -267,10 +268,9 @@ void HudRenderer::draw(const GfxContext& ctx){
 		Block* cblock = contentIds->getBlockDef(player->choosenBlock);
 		assert(cblock != nullptr);
 		if (cblock->model == BlockModel::block){
-			batch->blockSprite(width-56, uicamera->fov - 56, 48, 48, (const UVRegion*)cblock->uvdata, vec4(1.0f));
+			batch->blockSprite(width-56, uicamera->fov - 56, 48, 48, &cache->getRegion(cblock->id, 0), vec4(1.0f));
 		} else if (cblock->model == BlockModel::xsprite){
-			const UVRegion& region = (reinterpret_cast<UVRegion*>(cblock->uvdata))[3];
-			batch->sprite(width-56, uicamera->fov - 56, 48, 48, region, vec4(1.0f));
+			batch->sprite(width-56, uicamera->fov - 56, 48, 48, cache->getRegion(cblock->id, 3), vec4(1.0f));
 		}
 	}
 
diff --git a/src/frontend/hud.h b/src/frontend/hud.h
index 68f1d668..148e5210 100644
--- a/src/frontend/hud.h
+++ b/src/frontend/hud.h
@@ -13,6 +13,7 @@ class Assets;
 class Player;
 class Level;
 class Engine;
+class ContentGfxCache;
 
 namespace gui {
 	class GUI;
@@ -35,8 +36,9 @@ class HudRenderer {
 
 	std::shared_ptr<gui::UINode> debugPanel;
 	gui::GUI* gui;
+	const ContentGfxCache* const cache;
 public:
-	HudRenderer(Engine* engine, Level* level);
+	HudRenderer(Engine* engine, Level* level, const ContentGfxCache* cache);
 	~HudRenderer();
 
 	void update();
diff --git a/src/frontend/screens.cpp b/src/frontend/screens.cpp
index 75280e41..6dc63ab3 100644
--- a/src/frontend/screens.cpp
+++ b/src/frontend/screens.cpp
@@ -23,6 +23,7 @@
 #include "../voxels/Chunk.h"
 #include "world_render.h"
 #include "hud.h"
+#include "ContentGfxCache.h"
 #include "gui/GUI.h"
 #include "gui/panels.h"
 #include "../engine.h"
@@ -89,13 +90,15 @@ void MenuScreen::draw(float delta) {
 LevelScreen::LevelScreen(Engine* engine, Level* level) 
     : Screen(engine), 
       level(level) {
-    worldRenderer = new WorldRenderer(engine, level);
-    hud = new HudRenderer(engine, level);
+    cache = new ContentGfxCache(level->content, engine->getAssets());
+    worldRenderer = new WorldRenderer(engine, level, cache);
+    hud = new HudRenderer(engine, level, cache);
 }
 
 LevelScreen::~LevelScreen() {
     delete hud;
     delete worldRenderer;
+    delete cache;
 
 	std::cout << "-- writing world" << std::endl;
     World* world = level->world;
diff --git a/src/frontend/screens.h b/src/frontend/screens.h
index 2ea6c3e9..8ac45b1f 100644
--- a/src/frontend/screens.h
+++ b/src/frontend/screens.h
@@ -11,6 +11,7 @@ class HudRenderer;
 class Engine;
 class Camera;
 class Batch2D;
+class ContentGfxCache;
 
 /* Screen is a mainloop state */
 class Screen {
@@ -38,6 +39,7 @@ class LevelScreen : public Screen {
     Level* level;
     WorldRenderer* worldRenderer;
     HudRenderer* hud;
+    ContentGfxCache* cache;
     bool occlusion = true;
     void updateHotkeys();
 public:
diff --git a/src/frontend/world_render.cpp b/src/frontend/world_render.cpp
index 73862e8f..63545d43 100644
--- a/src/frontend/world_render.cpp
+++ b/src/frontend/world_render.cpp
@@ -26,39 +26,20 @@
 #include "../maths/FrustumCulling.h"
 #include "../settings.h"
 #include "../engine.h"
+#include "ContentGfxCache.h"
 
 using glm::vec3;
 using std::string;
 using std::shared_ptr;
 
-WorldRenderer::WorldRenderer(Engine* engine, Level* level) 
+WorldRenderer::WorldRenderer(Engine* engine, Level* level, const ContentGfxCache* cache) 
 	: engine(engine), level(level) {
 	lineBatch = new LineBatch(4096);
-	renderer = new ChunksRenderer(level);
+	renderer = new ChunksRenderer(level, cache);
 	frustumCulling = new Frustum();
 	level->events->listen(EVT_CHUNK_HIDDEN, [this](lvl_event_type type, Chunk* chunk) {
 		renderer->unload(chunk);
 	});
-
-	// TODO: move to some proper place
-	// otrefactoryu dnem
-	Assets* assets = engine->getAssets();
-	Atlas* atlas = assets->getAtlas("blocks");
-	const Content* content = level->content;
-	const ContentIndices* contentIds = content->indices;
-	for (uint i = 0; i < contentIds->countBlockDefs(); i++) {
-		Block* def = contentIds->getBlockDef(i);
-		for (uint side = 0; side < 6; side++) {
-			string tex = def->textureFaces[side];
-			if (atlas->has(tex)) {
-				UVRegion region = atlas->get(tex);
-				float* data = reinterpret_cast<float*>(&region);
-				for (uint j = 0; j < 4; j++) {
-					def->uvdata[side * 4 + j] = data[j];
-				}
-			}
-		}
-	}
 }
 
 WorldRenderer::~WorldRenderer() {
diff --git a/src/frontend/world_render.h b/src/frontend/world_render.h
index 3ff65c19..00391159 100644
--- a/src/frontend/world_render.h
+++ b/src/frontend/world_render.h
@@ -21,6 +21,7 @@ class Texture;
 class Frustum;
 class Engine;
 class Chunks;
+class ContentGfxCache;
 
 class WorldRenderer {
 	Engine* engine;
@@ -32,7 +33,7 @@ class WorldRenderer {
 	void drawChunks(Chunks* chunks, Camera* camera, Shader* shader, bool occlusion);
 public:
 
-	WorldRenderer(Engine* engine, Level* level);
+	WorldRenderer(Engine* engine, Level* level, const ContentGfxCache* cache);
 	~WorldRenderer();
 
 	void draw(const GfxContext& context, Camera* camera, bool occlusion);
diff --git a/src/graphics/BlocksRenderer.cpp b/src/graphics/BlocksRenderer.cpp
index 5067f23d..e7126a3d 100644
--- a/src/graphics/BlocksRenderer.cpp
+++ b/src/graphics/BlocksRenderer.cpp
@@ -11,6 +11,7 @@
 #include "../voxels/VoxelsVolume.h"
 #include "../voxels/ChunksStorage.h"
 #include "../lighting/Lightmap.h"
+#include "../frontend/ContentGfxCache.h"
 
 using glm::ivec3;
 using glm::vec3;
@@ -18,12 +19,15 @@ using glm::vec4;
 
 #define VERTEX_SIZE 9
 
-BlocksRenderer::BlocksRenderer(size_t capacity, const Content* content) 
+BlocksRenderer::BlocksRenderer(size_t capacity, 
+							   const Content* content, 
+							   const ContentGfxCache* cache) 
 			   : content(content), 
 			     vertexOffset(0), 
 				 indexOffset(0), 
 				 indexSize(0), 
-				 capacity(capacity) {
+				 capacity(capacity),
+				 cache(cache) {
 	vertexBuffer = new float[capacity];
 	indexBuffer = new int[capacity];
 	voxelsBuffer = new VoxelsVolume(CHUNK_W + 2, CHUNK_H, CHUNK_D + 2);
@@ -301,11 +305,6 @@ vec4 BlocksRenderer::pickSoftLight(int x, int y, int z, const ivec3& right, cons
 		pickLight(x - right.x, y - right.y, z - right.z)) * 0.25f;
 }
 
-// Get texture atlas UV region for block face
-inline UVRegion uvfor(const Block& def, uint face, int atlas_size) {
-	return *reinterpret_cast<const UVRegion*>(def.uvdata + face * 4);
-}
-
 void BlocksRenderer::render(const voxel* voxels, int atlas_size) {
 	int begin = chunk->bottom * (CHUNK_W * CHUNK_D);
 	int end = chunk->top * (CHUNK_W * CHUNK_D);
@@ -316,9 +315,9 @@ void BlocksRenderer::render(const voxel* voxels, int atlas_size) {
 			const Block& def = *blockDefsCache[id];
 			if (!id || def.drawGroup != group)
 				continue;
-			const UVRegion texfaces[6]{ uvfor(def, 0, atlas_size), uvfor(def, 1, atlas_size),
-										uvfor(def, 2, atlas_size), uvfor(def, 3, atlas_size),
-										uvfor(def, 4, atlas_size), uvfor(def, 5, atlas_size) };
+			const UVRegion texfaces[6]{ cache->getRegion(id, 0), cache->getRegion(id, 1),
+										cache->getRegion(id, 2), cache->getRegion(id, 3),
+										cache->getRegion(id, 4), cache->getRegion(id, 5)};
 			int x = i % CHUNK_W;
 			int y = i / (CHUNK_D * CHUNK_W);
 			int z = (i / CHUNK_D) % CHUNK_W;
diff --git a/src/graphics/BlocksRenderer.h b/src/graphics/BlocksRenderer.h
index 3c956d41..0363bf74 100644
--- a/src/graphics/BlocksRenderer.h
+++ b/src/graphics/BlocksRenderer.h
@@ -14,6 +14,7 @@ class Chunk;
 class Chunks;
 class VoxelsVolume;
 class ChunksStorage;
+class ContentGfxCache;
 
 class BlocksRenderer {
 	const Content* const content;
@@ -29,6 +30,7 @@ class BlocksRenderer {
 	VoxelsVolume* voxelsBuffer;
 
 	const Block* const* blockDefsCache;
+	const ContentGfxCache* const cache;
 
 	void vertex(const glm::vec3& coord, float u, float v, const glm::vec4& light);
 	void index(int a, int b, int c, int d, int e, int f);
@@ -68,7 +70,7 @@ class BlocksRenderer {
 	glm::vec4 pickSoftLight(int x, int y, int z, const glm::ivec3& right, const glm::ivec3& up) const;
 	void render(const voxel* voxels, int atlas_size);
 public:
-	BlocksRenderer(size_t capacity, const Content* content);
+	BlocksRenderer(size_t capacity, const Content* content, const ContentGfxCache* cache);
 	virtual ~BlocksRenderer();
 
 	Mesh* render(const Chunk* chunk, int atlas_size, const ChunksStorage* chunks);
diff --git a/src/graphics/ChunksRenderer.cpp b/src/graphics/ChunksRenderer.cpp
index 2e14a496..b6ca82fd 100644
--- a/src/graphics/ChunksRenderer.cpp
+++ b/src/graphics/ChunksRenderer.cpp
@@ -11,9 +11,9 @@
 using glm::ivec2;
 using std::shared_ptr;
 
-ChunksRenderer::ChunksRenderer(Level* level) : level(level) {
+ChunksRenderer::ChunksRenderer(Level* level, const ContentGfxCache* cache) : level(level) {
 	const int MAX_FULL_CUBES = 3000;
-	renderer = new BlocksRenderer(9 * 6 * 6 * MAX_FULL_CUBES, level->content);
+	renderer = new BlocksRenderer(9 * 6 * 6 * MAX_FULL_CUBES, level->content, cache);
 }
 
 ChunksRenderer::~ChunksRenderer() {
diff --git a/src/graphics/ChunksRenderer.h b/src/graphics/ChunksRenderer.h
index 7f066263..1e45cf75 100644
--- a/src/graphics/ChunksRenderer.h
+++ b/src/graphics/ChunksRenderer.h
@@ -11,13 +11,14 @@ class Mesh;
 class Chunk;
 class Level;
 class BlocksRenderer;
+class ContentGfxCache;
 
 class ChunksRenderer {
 	BlocksRenderer* renderer;
 	Level* level;
 	std::unordered_map<glm::ivec2, std::shared_ptr<Mesh>> meshes;
 public:
-	ChunksRenderer(Level* level);
+	ChunksRenderer(Level* level, const ContentGfxCache* cache);
 	virtual ~ChunksRenderer();
 
 	std::shared_ptr<Mesh> render(Chunk* chunk);
diff --git a/src/voxels/Block.h b/src/voxels/Block.h
index f579ff1d..2cade46e 100644
--- a/src/voxels/Block.h
+++ b/src/voxels/Block.h
@@ -31,8 +31,6 @@ public:
 	bool rotatable = false;
 	float hitboxScale = 1;
 
-	float uvdata[4*6];
-
 	Block(std::string name, std::string texture);
 };