fps

29 files changed, 922 insertions, 363 deletions

diff --git a/src/ru/olamedia/camera/MatrixCamera.java b/src/ru/olamedia/camera/MatrixCamera.java
index e93e25c..b9290b7 100644
--- a/src/ru/olamedia/camera/MatrixCamera.java
+++ b/src/ru/olamedia/camera/MatrixCamera.java
@@ -10,8 +10,6 @@ import javax.media.opengl.fixedfunc.GLMatrixFunc;
 import javax.media.opengl.glu.GLU;
 import javax.vecmath.Vector3f;
 
-import org.openmali.FastMath;
-
 import ru.olamedia.olacraft.game.Game;
 import ru.olamedia.input.Keyboard;
 import ru.olamedia.math.Frustum;
@@ -25,6 +23,8 @@ public class MatrixCamera {
 	private boolean isDirty = true;
 	public GLUniformData pmvMatrixUniform;
 
+	public boolean isOrientationChanged = true;
+
 	protected float fov = 90f;
 	protected float aspect = 1f;
 	protected float zNear = 0.1f;
@@ -85,7 +85,7 @@ public class MatrixCamera {
 		ru.olamedia.math.Vector3f eyef = eye;// .translate(look, 1f);
 		nearc = eyef.translate(look, nearD);
 		ru.olamedia.math.Vector3f farc = eyef.translate(look, farD);
-		final float tang = FastMath.tan(FastMath.toRad(fov) / 2.0f);
+		final float tang = (float) Math.tan((Math.PI * fov / 180) / 2.0f);
 		float nh = nearD * tang * (isFrustumVisible ? 0.3f : 1);// zNear * tang;
 		float nw = nh * aspect * aspect;
 		float fh = farD * tang * (isFrustumVisible ? 0.5f : 1);// zNear * tang;
@@ -143,9 +143,11 @@ public class MatrixCamera {
 		edge1.sub(vertex2, vertex1);
 		edge2.sub(vertex3, vertex1);
 
+		Vector3f nlook = new Vector3f(look);
+		nlook.negate();
 		// Compute the determinant.
 		Vector3f directionCrossEdge2 = new Vector3f();
-		directionCrossEdge2.cross(look, edge2);
+		directionCrossEdge2.cross(nlook, edge2);
 
 		float determinant = directionCrossEdge2.dot(edge1);
 		// If the ray and triangle are parallel, there is no collision.
@@ -171,7 +173,7 @@ public class MatrixCamera {
 		Vector3f distanceCrossEdge1 = new Vector3f();
 		distanceCrossEdge1.cross(distanceVector, edge1);
 
-		float triangleV = look.dot(distanceCrossEdge1);
+		float triangleV = nlook.dot(distanceCrossEdge1);
 		triangleV *= inverseDeterminant;
 
 		// Make sure the V is inside the triangle.
@@ -231,6 +233,7 @@ public class MatrixCamera {
 		yaw = yaw % 360;
 		pitch = pitch % 360;
 		setDirty();
+		isOrientationChanged = true;
 	}
 
 	public void updateMouse() {
diff --git a/src/ru/olamedia/game/GameFrame.java b/src/ru/olamedia/game/GameFrame.java
index e768b63..973fcb8 100644
--- a/src/ru/olamedia/game/GameFrame.java
+++ b/src/ru/olamedia/game/GameFrame.java
@@ -26,6 +26,7 @@ import com.jogamp.newt.event.KeyAdapter;
 import com.jogamp.newt.event.KeyEvent;
 import com.jogamp.newt.opengl.GLWindow;
 import com.jogamp.opengl.util.Animator;
+import com.jogamp.opengl.util.FPSAnimator;
 
 public class GameFrame {
 	// java.awt.SystemTray
@@ -66,7 +67,8 @@ public class GameFrame {
 			glWindow.confinePointer(false);
 			glWindow.addWindowListener(new QuitAdapter());
 			animator = new Animator(glWindow);
-			animator.setRunAsFastAsPossible(true); // By default there is a
+			//animator = new FPSAnimator(glWindow, 60);
+			//animator.setRunAsFastAsPossible(true); // By default there is a
 													// brief
 													// pause in the animation
 													// loop
diff --git a/src/ru/olamedia/game/GameTime.java b/src/ru/olamedia/game/GameTime.java
index 7e4880f..bd687d9 100644
--- a/src/ru/olamedia/game/GameTime.java
+++ b/src/ru/olamedia/game/GameTime.java
@@ -131,7 +131,9 @@ public class GameTime {
 			spaceLightIsInvalid = true;
 			receivedLightIsInvalid = true;
 		}
-		float[] sunSkyColors = new float[] { 0.5f, 0.7f, 1f };
+		//float[] sunSkyColors = new float[] { (float) 179 / 255, (float) 195 / 255, (float) 184 / 255 };
+		//float[] sunSkyColors = new float[] { (float) 209 / 255, (float) 227 / 255, (float) 251 / 255 };
+		float[] sunSkyColors = new float[] { (float) 203 / 255, (float) 233 / 255, (float) 244 / 255 };
 		for (int i = 0; i < 3; i++) {
 			clearColors[i] = addComponent(sunSkyColors[i] * (float) sunlightFactor, spaceColors[i]);
 		}
diff --git a/src/ru/olamedia/geom/Frustum.java b/src/ru/olamedia/geom/Frustum.java
index 5428302..2065157 100644
--- a/src/ru/olamedia/geom/Frustum.java
+++ b/src/ru/olamedia/geom/Frustum.java
@@ -3,9 +3,7 @@ package ru.olamedia.geom;
 //import org.openmali.spatial.bodies.Frustum;
 
 public class Frustum extends org.openmali.spatial.bodies.Frustum {
-
 	public Frustum() {
 		super();
 	}
-
 }
diff --git a/src/ru/olamedia/geom/Mesh.java b/src/ru/olamedia/geom/Mesh.java
index 92f5666..bda53b9 100644
--- a/src/ru/olamedia/geom/Mesh.java
+++ b/src/ru/olamedia/geom/Mesh.java
@@ -16,6 +16,17 @@ import com.jogamp.opengl.util.GLArrayDataServer;
 import com.jogamp.opengl.util.texture.Texture;
 
 public class Mesh {
+	public void invalidate() {
+		buffer = null;
+		data = null;
+		vertexCount = 0;
+		data = new float[size * vertexSize];
+		// data = new float[size * vertexSize];
+		vertexPtr = 0;
+		useTexture = false;
+		useColor = false;
+	}
+
 	private FloatBuffer buffer;
 	private float[] data;
 	private int ptr;
@@ -63,14 +74,11 @@ public class Mesh {
 	private static boolean useQuad = true;
 	private static boolean useDisplayList = false;
 	private DisplayList DL;
+	private int size = 0;
 
 	public Mesh(int size) {
-		vertexCount = 0;
-		data = new float[size * vertexSize];
-		// data = new float[size * vertexSize];
-		vertexPtr = 0;
-		useTexture = false;
-		useColor = false;
+		this.size = size;
+		invalidate();
 	}
 
 	private static FloatBuffer generateFloatBuffer(int size) {
@@ -217,10 +225,15 @@ public class Mesh {
 			return;
 		}
 		GL glx = GLContext.getCurrentGL();
+		if (true){
+			GL2 gl = glx.getGL2();
+			gl.glShadeModel(GL2.GL_FLAT);
+		}
 		if (useVbo) {
 			GL2ES2 gl = glx.getGL2ES2();
-			//GL2 gl = glx.getGL2();
+			// GL2 gl = glx.getGL2();
 			for (Integer m : materials.keySet()) {
+				
 				gl.glEnable(GL.GL_TEXTURE_2D);
 				gl.glBindTexture(GL.GL_TEXTURE_2D, (int) m);
 				gl.glTexParameteri(GL.GL_TEXTURE_2D, GL.GL_TEXTURE_MAG_FILTER, GL.GL_NEAREST);
@@ -228,10 +241,10 @@ public class Mesh {
 				arrays.get(m).enableBuffer(gl, true);
 				gl.glEnable(GL.GL_CULL_FACE);
 				gl.glEnable(GL.GL_DEPTH_TEST);
-				//gl.glPolygonMode(GL.GL_FRONT_AND_BACK, GL2.GL_FILL);
+				// gl.glPolygonMode(GL.GL_FRONT_AND_BACK, GL2.GL_FILL);
 				gl.glDrawArrays(GL2.GL_QUADS, 0, arrays.get(m).getElementCount());
 				arrays.get(m).enableBuffer(gl, false);
-				//System.exit(0);
+				// System.exit(0);
 			}
 		} else {
 			GL2 gl = glx.getGL2();
diff --git a/src/ru/olamedia/geom/SimpleQuadMesh.java b/src/ru/olamedia/geom/SimpleQuadMesh.java
index e832789..ad3c27c 100644
--- a/src/ru/olamedia/geom/SimpleQuadMesh.java
+++ b/src/ru/olamedia/geom/SimpleQuadMesh.java
@@ -2,6 +2,16 @@ package ru.olamedia.geom;
 
 public class SimpleQuadMesh extends Mesh {
 
+	public boolean restart = true;
+
+	public void restart() {
+		restart = true;
+	}
+
+	public void start() {
+		restart = false;
+	}
+
 	public SimpleQuadMesh(int size) {
 		super(size * 4);
 	}
@@ -110,6 +120,4 @@ public class SimpleQuadMesh extends Mesh {
 		addBottomRightFrontVertex();
 	}
 
-	
-
 }
diff --git a/src/ru/olamedia/liveEntity/LiveEntity.java b/src/ru/olamedia/liveEntity/LiveEntity.java
index dd60310..1befec6 100644
--- a/src/ru/olamedia/liveEntity/LiveEntity.java
+++ b/src/ru/olamedia/liveEntity/LiveEntity.java
@@ -4,6 +4,7 @@ import javax.vecmath.Vector3f;
 
 import com.jogamp.newt.event.KeyEvent;
 
+import ru.olamedia.Options;
 import ru.olamedia.camera.Cameraman;
 import ru.olamedia.olacraft.game.Game;
 import ru.olamedia.olacraft.inventory.Inventory;
@@ -23,6 +24,7 @@ public class LiveEntity implements Cameraman {
 	private float z;
 	public Vector3f velocity = new Vector3f(0, 0, 0);
 	public Vector3f acceleration = new Vector3f(0, 0, 0);
+	public boolean isOrientationChanged = true;
 
 	private float fov = 90f;
 	private float mouseSpeed = 1.0f;
@@ -125,7 +127,13 @@ public class LiveEntity implements Cameraman {
 		boolean keyJump = Keyboard.isKeyDown("playerJump");
 		boolean keySneak = Keyboard.isKeyDown("playerSneak");
 		boolean keyCrouch = Keyboard.isKeyDown("playerCrouch");
-
+		boolean keyRenderDistance = Keyboard.isKeyDown("playerRenderDistance");
+		if (keyRenderDistance) {
+			Options.renderDistance *= 2;
+			if (Options.renderDistance > 256) {
+				Options.renderDistance = 32;
+			}
+		}
 		if (keySneak) {
 			if (!isSneaking) {
 				isSneaking = true;
@@ -391,7 +399,7 @@ public class LiveEntity implements Cameraman {
 			Game.client.getWorldProvider().loadChunk(loc.getChunkLocation());
 			return false;
 		}
-		
+
 		try {
 			return Game.client.getWorldProvider().isEmptyBlock((int) x + dx, (int) Math.ceil(y) + dy, (int) z + dz);
 		} catch (ChunkUnavailableException e) {
@@ -563,6 +571,7 @@ public class LiveEntity implements Cameraman {
 		// }
 		// }
 		if (isPositionChanged) {
+			isOrientationChanged = true;
 			notifyLocationUpdate();
 		}
 	}
@@ -625,6 +634,10 @@ public class LiveEntity implements Cameraman {
 		return y + getCameraLevel();
 	}
 
+	public BlockLocation getCameraBlockLocation() {
+		return new BlockLocation(x, y, z);
+	}
+
 	@Override
 	public float getCameraZ() {
 		return z;
@@ -640,6 +653,7 @@ public class LiveEntity implements Cameraman {
 		Keyboard.setName("playerJump", KeyEvent.VK_SPACE);
 		Keyboard.setName("playerSneak", KeyEvent.VK_SHIFT);
 		Keyboard.setName("playerCrouch", KeyEvent.VK_CONTROL);
+		Keyboard.setName("playerRenderDistance", KeyEvent.VK_F4);
 	}
 
 	public void setId(int id) {
diff --git a/src/ru/olamedia/olacraft/network/GameClient.java b/src/ru/olamedia/olacraft/network/GameClient.java
index 2312c3d..f74340a 100644
--- a/src/ru/olamedia/olacraft/network/GameClient.java
+++ b/src/ru/olamedia/olacraft/network/GameClient.java
@@ -25,7 +25,6 @@ import ru.olamedia.olacraft.network.packet.WorldInfoPacket;
 import ru.olamedia.olacraft.scene.GameScene;
 import ru.olamedia.olacraft.world.WorldInfo;
 import ru.olamedia.olacraft.world.dataProvider.CachedChunkDataProvider;
-import ru.olamedia.olacraft.world.dataProvider.LocalChunkDataProvider;
 import ru.olamedia.olacraft.world.dataProvider.RemoteChunkDataProvider;
 import ru.olamedia.olacraft.world.provider.WorldProvider;
 
@@ -33,7 +32,7 @@ public class GameClient extends ConnectionStateListener implements IPacketListen
 	private WorldProvider worldProvider;
 	private GameScene scene;
 
-	private Client client = new Client(10 * 1024 * 1024, 10 * 1024 * 1024);
+	private Client client = new Client(10 * 1024 * 1024, 30 * 1024 * 1024);
 	private String hostname = "127.0.0.1";
 
 	@Override
@@ -65,7 +64,8 @@ public class GameClient extends ConnectionStateListener implements IPacketListen
 		// INIT WORLD
 		worldProvider = new WorldProvider();
 		worldProvider.setChunkDataProvider(new CachedChunkDataProvider(new RemoteChunkDataProvider(this)));
-		//worldProvider.setChunkDataProvider(new CachedChunkDataProvider(new LocalChunkDataProvider(worldProvider.getInfo().name)));
+		// worldProvider.setChunkDataProvider(new CachedChunkDataProvider(new
+		// LocalChunkDataProvider(worldProvider.getInfo().name)));
 		// CREATE SCENE
 		scene = new GameScene(worldProvider);
 		Kryo kryo = client.getKryo();
diff --git a/src/ru/olamedia/olacraft/network/GameServer.java b/src/ru/olamedia/olacraft/network/GameServer.java
index e1e7723..717b40b 100644
--- a/src/ru/olamedia/olacraft/network/GameServer.java
+++ b/src/ru/olamedia/olacraft/network/GameServer.java
@@ -33,7 +33,7 @@ public class GameServer {
 	private WorldProvider worldProvider;
 
 	private ExecutorService threadPool = Executors.newFixedThreadPool(1);
-	public static Server server = new Server(10 * 1024 * 1024, 1024 * 1024) {
+	public static Server server = new Server(30 * 1024 * 1024, 1024 * 1024) {
 		@Override
 		protected PlayerConnection newConnection() {
 			// By providing our own connection implementation, we can store per
diff --git a/src/ru/olamedia/olacraft/render/jogl/ChunkRenderer.java b/src/ru/olamedia/olacraft/render/jogl/ChunkRenderer.java
index f53bba6..4aaf38c 100644
--- a/src/ru/olamedia/olacraft/render/jogl/ChunkRenderer.java
+++ b/src/ru/olamedia/olacraft/render/jogl/ChunkRenderer.java
@@ -1,7 +1,5 @@
 package ru.olamedia.olacraft.render.jogl;
 
-import javax.media.opengl.GLAutoDrawable;
-
 import ru.olamedia.Options;
 import ru.olamedia.geom.SimpleQuadMesh;
 import ru.olamedia.math.Box;
@@ -21,6 +19,8 @@ public class ChunkRenderer {
 		this.slice = slice;
 	}
 
+	public int testedChunks = 0;
+
 	public int visibleTop = 0;
 	public int visibleBottom = 0;
 	public int visibleLeft = 0;
@@ -32,20 +32,16 @@ public class ChunkRenderer {
 	public int frustumIntersectChunks = 0;
 
 	public boolean renderChunk(Chunk chunk, boolean skipnew) {
-
-		if (!chunk.isAvailable()) {
-			System.out.println("not available " + chunk);
-			chunk.request();
+		float d = (float) Math.sqrt(Math.pow(chunk.getOffset().x + 8 - cameraBlock.x, 2)
+				+ Math.pow(chunk.getOffset().y + 8 - cameraBlock.y, 2)
+				+ Math.pow(chunk.getOffset().z + 8 - cameraBlock.z, 2));
+		if (d > Options.renderDistance) {
 			return skipnew;
 		}
-
-		if (!chunk.isNeighborsAvailable()) {
-			System.out.println("not available " + chunk);
-			chunk.requestNeighbors();
+		testedChunks++;
+		if (!chunk.inWorldRange()) {
 			return skipnew;
 		}
-
-		// System.out.println("available");
 		Box box = new Box(chunk.getOffset().x, chunk.getOffset().y, chunk.getOffset().z, chunk.getOffset().x
 				+ chunk.getWidth(), chunk.getOffset().y + chunk.getHeight(), chunk.getOffset().z + chunk.getDepth());
 		if (Game.instance.camera.frustum.quickClassify(box) == Classifier.OUTSIDE) {
@@ -53,53 +49,74 @@ public class ChunkRenderer {
 			return skipnew;
 		}
 
-		// // boolean inside = true;
-		// if (Game.camera.frustum != null) {
-		// if (Game.camera.frustum.quickClassify(box) ==
-		// Classifier.Classification.OUTSIDE) {
-		// frustumCulledChunks++;
-		// return;
-		// }
-		// }
-		// } else if (Game.camera.frustum.test(box) == Classifier.INTERSECT) {
-		// inside = false;
-		// frustumIntersectChunks++;
-		// } else {
-		// frustumCulledChunks++;
-		// return;
-		// }
+		chunk.render();
 		if (!chunk.isMeshCostructed) {
-			if (skipnew) {
+			if (!chunk.isAvailable()) {
+				// System.out.println("not available " + chunk);
+				chunk.request();
 				return skipnew;
 			}
-		}
-		if (!chunk.isMeshCostructed) {
-			ChunkMeshBulder.instance.add(chunk);
-			if (ChunkMeshBulder.instance.isFull()) {
-				// System.out.println("queue is full, skipping");
-				skipnew = true;
+
+			if (!chunk.isNeighborsAvailable()) {
+				// System.out.println("not available " + chunk);
+				chunk.requestNeighbors();
+				return skipnew;
 			}
-			// System.out.println("not constructed");
+			// compute visibility
+
+			// System.out.println("available");
+
+			// // boolean inside = true;
+			// if (Game.camera.frustum != null) {
+			// if (Game.camera.frustum.quickClassify(box) ==
+			// Classifier.Classification.OUTSIDE) {
+			// frustumCulledChunks++;
+			// return;
+			// }
+			// }
+			// } else if (Game.camera.frustum.test(box) == Classifier.INTERSECT)
+			// {
+			// inside = false;
+			// frustumIntersectChunks++;
+			// } else {
+			// frustumCulledChunks++;
+			// return;
+			// }
+			if (!chunk.isMeshCostructed) {
+				if (skipnew) {
+					return skipnew;
+				}
+			}
+			if (!chunk.isMeshCostructed) {
+				ChunkMeshBulder.instance.add(chunk);
+				if (ChunkMeshBulder.instance.isFull()) {
+					// System.out.println("queue is full, skipping");
+					skipnew = true;
+				}
+				// System.out.println("not constructed");
+				return skipnew;
+			}
+
 			return skipnew;
-		}
-		if (null == chunk.getMesh()) {
-			// System.out.println("mesh is null");
-			// skipnew = true;
 		} else {
-			SimpleQuadMesh mesh = chunk.getMesh();
-			// System.out.println("render " + chunk + " " +
-			// mesh.getVertexCount());
-			mesh.joglRender();
+			return skipnew;
 		}
-		return skipnew;
 	}
 
-	public void render(GLAutoDrawable drawable) {
+	BlockLocation cameraBlock;
+	ChunkLocation cameraChunk;
+	int distance;
+	public ChunkSlice chunkSlice;
+
+	public void render() {
 
 		if (!ChunkMeshBulder.instance.isAlive() && !ChunkMeshBulder.instance.isInterrupted()) {
 			ChunkMeshBulder.instance.start();
 		}
-
+		if (null == chunkSlice) {
+			chunkSlice = slice.getChunkSlice();
+		}
+		testedChunks = 0;
 		visibleTop = 0;
 		visibleBottom = 0;
 		visibleLeft = 0;
@@ -107,164 +124,45 @@ public class ChunkRenderer {
 		visibleFront = 0;
 		visibleBack = 0;
 		frustumCulledChunks = 0;
+
+		cameraBlock = Game.client.getScene().getPlayer().getCameraBlockLocation();
+		cameraChunk = cameraBlock.getChunkLocation();
+		ChunkLocation renderLoc;
+
 		boolean skipnew = false;
-		ChunkSlice cs = slice.getChunkSlice();
-		for (int x = cs.getX(); x < cs.getX() + cs.getWidth(); x++) {
-			for (int z = cs.getZ(); z < cs.getZ() + cs.getDepth(); z++) {
-				for (int y = cs.getY(); y < cs.getY() + cs.getHeight(); y++) {
-					skipnew = renderChunk(cs.getChunk(new ChunkLocation(x, y, z)), skipnew);
-				}
-			}
-		}
-		if (true) {
-			return;
-		}
-		// rendering from center
-		int x, y, z;
-		int half = (Options.renderDistance / 16) / 2 + 1;
-		BlockLocation camera = new BlockLocation();
-		camera.x = (int) Game.client.getScene().getPlayer().getCameraX();
-		camera.y = (int) Game.client.getScene().getPlayer().getCameraY();
-		camera.z = (int) Game.client.getScene().getPlayer().getCameraZ();
-		ChunkLocation cameraChunk = camera.getChunkLocation();
-		int cx = cameraChunk.x;
-		int cy = cameraChunk.y;
-		int cz = cameraChunk.z;
-		ChunkLocation cLoc = new ChunkLocation(cx, cy, cz);
-		for (int r = 0; r <= half; r++) {
-			// +x
-			x = cx + r;
-			for (z = cz - r - 1; z <= cz + r; z++) {
-				for (y = cy - r - 1; y <= cy + r; y++) {
-					cLoc = new ChunkLocation(x, y, z);
-					skipnew = renderChunk(cs.getChunk(cLoc), skipnew);
-				}
-			}
-			// -x
-			x = cx - r - 1;
-			for (z = cz - r - 1; z <= cz + r; z++) {
-				for (y = cy - r - 1; y <= cy + r; y++) {
-					cLoc = new ChunkLocation(x, y, z);
-					skipnew = renderChunk(cs.getChunk(cLoc), skipnew);
-				}
-			}
 
-			// +z
-			z = cz + r;
-			for (x = cx - r - 1; x <= cz + r; x++) {
-				for (y = cy - r - 1; y <= cy + r; y++) {
-					cLoc = new ChunkLocation(x, y, z);
-					skipnew = renderChunk(cs.getChunk(cLoc), skipnew);
+		for (distance = 0; distance <= Options.renderDistance / 16; distance++) {
+			if (distance > 0) {
+				int shortDistance = distance - 1;
+				renderLoc = new ChunkLocation(cameraChunk);
+				for (renderLoc.x = cameraChunk.x - distance; renderLoc.x <= cameraChunk.x + distance; renderLoc.x += distance * 2) {
+					// render ZY sides
+					for (renderLoc.y = cameraChunk.y - distance; renderLoc.y <= cameraChunk.y + distance; renderLoc.y++) {
+						for (renderLoc.z = cameraChunk.z - distance; renderLoc.z <= cameraChunk.z + distance; renderLoc.z++) {
+							skipnew = renderChunk(chunkSlice.getChunk(renderLoc), skipnew);
+						}
+					}
 				}
-			}
-			// -z
-			z = cz - r - 1;
-			for (x = cx - r - 1; x <= cz + r; x++) {
-				for (y = cy - r - 1; y <= cy + r; y++) {
-					cLoc = new ChunkLocation(x, y, z);
-					skipnew = renderChunk(cs.getChunk(cLoc), skipnew);
+				for (renderLoc.z = cameraChunk.z - distance; renderLoc.z <= cameraChunk.z + distance; renderLoc.z += distance * 2) {
+					// render XY sides
+					for (renderLoc.x = cameraChunk.x - shortDistance; renderLoc.x <= cameraChunk.x + shortDistance; renderLoc.x++) {
+						for (renderLoc.y = cameraChunk.y - distance; renderLoc.y <= cameraChunk.y + distance; renderLoc.y++) {
+							skipnew = renderChunk(chunkSlice.getChunk(renderLoc), skipnew);
+						}
+					}
 				}
-			}
-			// +y
-			y = cy + r;
-			for (x = cx - r - 1; x <= cz + r; x++) {
-				for (z = cz - r - 1; z <= cz + r; z++) {
-					cLoc = new ChunkLocation(x, y, z);
-					skipnew = renderChunk(cs.getChunk(cLoc), skipnew);
+				for (renderLoc.y = cameraChunk.y - distance; renderLoc.y <= cameraChunk.y + distance; renderLoc.y += distance * 2) {
+					// render XZ sides
+					for (renderLoc.x = cameraChunk.x - shortDistance; renderLoc.x <= cameraChunk.x + shortDistance; renderLoc.x++) {
+						for (renderLoc.z = cameraChunk.z - shortDistance; renderLoc.z <= cameraChunk.z + shortDistance; renderLoc.z++) {
+							skipnew = renderChunk(chunkSlice.getChunk(renderLoc), skipnew);
+						}
+					}
 				}
+			} else {
+				renderLoc = new ChunkLocation(cameraChunk);
+				skipnew = renderChunk(chunkSlice.getChunk(renderLoc), skipnew);
 			}
-			// -y
-			y = cy - r - 1;
-			for (x = cx - r - 1; x <= cz + r; x++) {
-				for (z = cz - r - 1; z <= cz + r; z++) {
-					cLoc = new ChunkLocation(x, y, z);
-					skipnew = renderChunk(cs.getChunk(cLoc), skipnew);
-				}
-			}
-			if (skipnew) {
-				// break;
-			}
-			// break;
 		}
-
-		// int dw = cs.getWidth() / 2;
-		// int dd = cs.getDepth() / 2;
-		// int dh = cs.getHeight() / 2;
-		// for (int dx = 0; dx < dw; dx++) {
-		// x = cs.getX() + dw + dx;
-		// for (int dz = 0; dz < dd; dz++) {
-		// z = cs.getZ() + dd + dz;
-		// for (int dy = 0; dy < dh; dy++) {
-		// y = cs.getY() + dh + dy;
-		// skipnew = renderChunk(cs.getChunk(x, y, z), skipnew);
-		// y = cs.getY() + dh - dy - 1;
-		// skipnew = renderChunk(cs.getChunk(x, y, z), skipnew);
-		// }
-		// z = cs.getZ() + dd - dz - 1;
-		// for (int dy = 0; dy < dh; dy++) {
-		// y = cs.getY() + dh + dy;
-		// skipnew = renderChunk(cs.getChunk(x, y, z), skipnew);
-		// y = cs.getY() + dh - dy - 1;
-		// skipnew = renderChunk(cs.getChunk(x, y, z), skipnew);
-		// }
-		// }
-		// x = cs.getX() + dw - dx - 1;
-		// for (int dz = 0; dz < dd; dz++) {
-		// z = cs.getZ() + dd + dz;
-		// for (int dy = 0; dy < dh; dy++) {
-		// y = cs.getY() + dh + dy;
-		// int dd = cs.getDepth() / 2;
-		// int dh = cs.getHeight() / 2;
-		// for (int dx = 0; dx < dw; dx++) {
-		// x = cs.getX() + dw + dx;
-		// for (int dz = 0; dz < dd; dz++) {
-		// z = cs.getZ() + dd + dz;
-		// for (int dy = 0; dy < dh; dy++) {
-		// y = cs.getY() + dh + dy;
-		// skipnew = renderChunk(cs.getChunk(x, y, z), skipnew);
-		// y = cs.getY() + dh - dy - 1;
-		// skipnew = renderChunk(cs.getChunk(x, y, z), skipnew);
-		// }
-		// z = cs.getZ() + dd - dz - 1;
-		// for (int dy = 0; dy < dh; dy++) {
-		// y = cs.getY() + dh + dy;
-		// skipnew = renderChunk(cs.getChunk(x, y, z), skipnew);
-		// y = cs.getY() + dh - dy - 1;
-		// skipnew = renderChunk(cs.getChunk(x, y, z), skipnew);
-		// }
-		// }
-		// x = cs.getX() + dw - dx - 1;
-		// for (int dz = 0; dz < dd; dz++) {
-		// z = cs.getZ() + dd + dz;
-		// for (int dy = 0; dy < dh; dy++) {
-		// y = cs.getY() + dh + dy;
-		// skipnew = renderChunk(cs.getChunk(x, y, z), skipnew);
-		// y = cs.getY() + dh - dy - 1;
-		// skipnew = renderChunk(cs.getChunk(x, y, z), skipnew);
-		// }
-		// z = cs.getZ() + dd - dz - 1;
-		// for (int dy = 0; dy < dh; dy++) {
-		// y = cs.getY() + dh + dy;
-		// skipnew = renderChunk(cs.getChunk(x, y, z), skipnew);
-		// y = cs.getY() + dh - dy - 1;
-		// skipnew = renderChunk(cs.getChunk(x, y, z), skipnew);
-		// }
-		// }
-		// }
-		// skipnew = renderChunk(cs.getChunk(x, y, z), skipnew);
-		// y = cs.getY() + dh - dy - 1;
-		// skipnew = renderChunk(cs.getChunk(x, y, z), skipnew);
-		// }
-		// z = cs.getZ() + dd - dz - 1;
-		// for (int dy = 0; dy < dh; dy++) {
-		// y = cs.getY() + dh + dy;
-		// skipnew = renderChunk(cs.getChunk(x, y, z), skipnew);
-		// y = cs.getY() + dh - dy - 1;
-		// skipnew = renderChunk(cs.getChunk(x, y, z), skipnew);
-		// }
-		// }
-		// }
-
-		// System.out.println("visible top " + visibleTop);
 	}
 }
diff --git a/src/ru/olamedia/olacraft/render/jogl/joglViewport.java b/src/ru/olamedia/olacraft/render/jogl/joglViewport.java
index b3da2ce..ef59352 100644
--- a/src/ru/olamedia/olacraft/render/jogl/joglViewport.java
+++ b/src/ru/olamedia/olacraft/render/jogl/joglViewport.java
@@ -16,9 +16,11 @@ public class joglViewport {
 	}
 
 	public void drawText(String text, int x, int y) {
-		sans11.setColor(1, 1, 1, 0.7f);
+		sans11.setColor(0, 0, 0, 0.7f);
 		sans11.beginRendering(drawable.getWidth(), drawable.getHeight());
-		sans11.draw(text, x, y);
+		sans11.draw(text, x - 1, y - 1);
+		// sans11.setColor(1, 1, 1, 0.7f);
+		// sans11.draw(text, x, y);
 		sans11.endRendering();
 	}
 }
diff --git a/src/ru/olamedia/olacraft/scene/GameScene.java b/src/ru/olamedia/olacraft/scene/GameScene.java
index 86b9574..e5655c9 100644
--- a/src/ru/olamedia/olacraft/scene/GameScene.java
+++ b/src/ru/olamedia/olacraft/scene/GameScene.java
@@ -11,8 +11,6 @@ import javax.media.opengl.glu.GLUquadric;
 
 import org.ode4j.ode.DBody;
 
-import com.jogamp.opengl.util.PMVMatrix;
-
 import ru.olamedia.Options;
 import ru.olamedia.game.GameTime;
 import ru.olamedia.liveEntity.LiveEntity;
@@ -25,18 +23,19 @@ import ru.olamedia.olacraft.weapon.Bullet;
 import ru.olamedia.olacraft.weapon.BulletScene;
 import ru.olamedia.olacraft.world.block.Block;
 import ru.olamedia.olacraft.world.blockTypes.AbstractBlockType;
+import ru.olamedia.olacraft.world.blockTypes.DirtBlockType;
 import ru.olamedia.olacraft.world.blockTypes.GrassBlockType;
+import ru.olamedia.olacraft.world.blockTypes.GravelBlockType;
+import ru.olamedia.olacraft.world.blockTypes.StoneBlockType;
 import ru.olamedia.olacraft.world.chunk.BlockSlice;
+import ru.olamedia.olacraft.world.chunk.Chunk;
 import ru.olamedia.olacraft.world.chunk.ChunkSlice;
-import ru.olamedia.olacraft.world.chunk.ChunkUnavailableException;
+import ru.olamedia.olacraft.world.location.BlockLocation;
 import ru.olamedia.olacraft.world.provider.WorldProvider;
 import ru.olamedia.player.Player;
-import ru.olamedia.vbo.VBO;
 
 public class GameScene {
 
-	private PMVMatrix matrix;
-
 	private HashMap<Integer, LiveEntity> liveEntities = new HashMap<Integer, LiveEntity>();
 	WorldProvider provider;
 	private int renderDistance = Options.renderDistance;
@@ -44,8 +43,6 @@ public class GameScene {
 	private BulletScene bullets = new BulletScene();
 	private GamePhysicsWorld physics = new GamePhysicsWorld();
 
-	private VBO testObject;
-
 	private boolean isInitialized = false;
 	BlockSlice viewSlice;
 	public GameTime time = new GameTime();
@@ -81,13 +78,18 @@ public class GameScene {
 		time.init();
 		registerTextures();
 		viewport = new joglViewport(drawable);
-		testObject = new VBO(drawable);
 	}
 
 	private void registerTextures() {
 		AbstractBlockType t;
 		t = new GrassBlockType();
-		t.register();
+		t.register(provider);
+		t = new StoneBlockType();
+		t.register(provider);
+		t = new DirtBlockType();
+		t.register(provider);
+		t = new GravelBlockType();
+		t.register(provider);
 	}
 
 	/**
@@ -107,7 +109,7 @@ public class GameScene {
 		blockRenderer = new ChunkRenderer(viewSlice);
 	}
 
-	ChunkRenderer blockRenderer = new ChunkRenderer(viewSlice);
+	public ChunkRenderer blockRenderer = new ChunkRenderer(viewSlice);
 	GLU glu = new GLU();
 
 	public void registerLiveEntity(LiveEntity entity) {
@@ -136,7 +138,7 @@ public class GameScene {
 		return liveEntities;
 	}
 
-	Block nearestBlock = null;
+	public Block nearestBlock = null;
 
 	public void tick() {
 		time.tick();
@@ -146,12 +148,18 @@ public class GameScene {
 		// bullets.update(Game.instance.getDelta());
 		physics.getWorld().step(Game.instance.getDelta());
 		BlockSlice pickSlice = new BlockSlice(provider, 10, 10, 10);
-		pickSlice.setCenter(player.getCameraX(), player.getCameraY(), player.getCameraZ());
-		nearestBlock = pickSlice.getNearest(Game.instance.camera);
+		if (null != player) {
+			if (player.isOrientationChanged || Game.instance.camera.isOrientationChanged) {
+				player.isOrientationChanged = false;
+				Game.instance.camera.isOrientationChanged = false;
+				pickSlice.setCenter(player.getCameraX(), player.getCameraY(), player.getCameraZ());
+				nearestBlock = pickSlice.getNearest(Game.instance.camera);
+			}
+		}
 	}
 
 	public void render(GLAutoDrawable drawable) {
-		if (!Game.instance.isRunning()) {
+		if (null == player || !Game.instance.isRunning()) {
 			// not running, just clear screen
 			GL2 gl = drawable.getGL().getGL2();
 			gl.glClear(GL2.GL_COLOR_BUFFER_BIT | GL2.GL_DEPTH_BUFFER_BIT);
@@ -169,30 +177,33 @@ public class GameScene {
 		gl.glPushAttrib(GL2.GL_ALL_ATTRIB_BITS);
 		Game.instance.camera.setUp(drawable);
 		// RENDER SUN
-		gl.glPushAttrib(GL2.GL_ALL_ATTRIB_BITS);
-		gl.glEnable(GL2.GL_BLEND); // Enable Blending
-		gl.glBlendFunc(GL2.GL_SRC_ALPHA, GL2.GL_ONE); // Set Blending Mode To
-														// Mix Based On SRC
-														// Alpha
-		GLUquadric sun = glu.gluNewQuadric();
-		glu.gluQuadricDrawStyle(sun, GLU.GLU_FILL);
-		glu.gluQuadricNormals(sun, GLU.GLU_SMOOTH);
-		gl.glPushMatrix();
-		gl.glTranslatef(time.sun.getX() + player.getCameraX(), time.sun.getY(), time.sun.getZ() + player.getCameraZ());
-		gl.glPolygonMode(GL2.GL_FRONT_AND_BACK, GL2.GL_FILL);
-		gl.glColor4f(1, 1, 1, 0.02f);
-		glu.gluSphere(sun, 100f, 10, 10);
-		glu.gluSphere(sun, 90f, 10, 10);
-		glu.gluSphere(sun, 80f, 10, 10);
-		glu.gluSphere(sun, 70f, 10, 10);
-		glu.gluSphere(sun, 60f, 10, 10);
-		glu.gluSphere(sun, 50f, 10, 10);
-		glu.gluSphere(sun, 40f, 10, 10);
-		glu.gluSphere(sun, 35f, 10, 10);
-		gl.glColor4f(1, 1, 1, 1f);
-		glu.gluSphere(sun, 30f, 10, 10);
-		gl.glPopMatrix();
-		gl.glPopAttrib();
+		// gl.glPushAttrib(GL2.GL_ALL_ATTRIB_BITS);
+		// gl.glEnable(GL2.GL_BLEND); // Enable Blending
+		// gl.glBlendFunc(GL2.GL_SRC_ALPHA, GL2.GL_ONE); // Set Blending Mode To
+		// // Mix Based On SRC
+		// // Alpha
+		// GLUquadric sun = glu.gluNewQuadric();
+		// glu.gluQuadricDrawStyle(sun, GLU.GLU_FILL);
+		// glu.gluQuadricNormals(sun, GLU.GLU_SMOOTH);
+		// gl.glPushMatrix();
+		// gl.glTranslatef(time.sun.getX() + player.getCameraX(),
+		// time.sun.getY(), time.sun.getZ() + player.getCameraZ());
+		// gl.glPolygonMode(GL2.GL_FRONT_AND_BACK, GL2.GL_FILL);
+		// gl.glColor4f(1, 1, 1, 0.02f);
+		// gl.glColor4f((float) 251 / 255, (float) 255 / 255, (float) 228 / 255,
+		// 0.02f);
+		// glu.gluSphere(sun, 100f, 10, 10);
+		// glu.gluSphere(sun, 90f, 10, 10);
+		// glu.gluSphere(sun, 80f, 10, 10);
+		// glu.gluSphere(sun, 70f, 10, 10);
+		// glu.gluSphere(sun, 60f, 10, 10);
+		// glu.gluSphere(sun, 50f, 10, 10);
+		// glu.gluSphere(sun, 40f, 10, 10);
+		// glu.gluSphere(sun, 35f, 10, 10);
+		// gl.glColor4f(1, 1, 1, 1f);
+		// glu.gluSphere(sun, 30f, 10, 10);
+		// gl.glPopMatrix();
+		// gl.glPopAttrib();
 
 		viewSlice.setCenter((int) Game.instance.camera.getX(), (int) Game.instance.camera.getY(),
 				(int) Game.instance.camera.getZ());
@@ -212,7 +223,7 @@ public class GameScene {
 		// gl.glFogf(GL2.GL_FOG_DENSITY, 0.002f);
 		// new float[] { 49f / 255f, 119f / 255f, 243f / 255f }
 		// gl.glFogfv(GL2.GL_FOG_COLOR, new float[] { 1, 1, 1, 0.2f }, 0);
-		blockRenderer.render(drawable);
+		blockRenderer.render();
 		gl.glPopAttrib();
 		// RENDER ANYTHING ELSE
 		gl.glPushAttrib(GL2.GL_ALL_ATTRIB_BITS);
@@ -227,6 +238,11 @@ public class GameScene {
 			gl.glPopMatrix();
 		}
 		gl.glPopAttrib();
+		if (nearestBlock != null) {
+			gl.glPushAttrib(GL2.GL_ALL_ATTRIB_BITS);
+			nearestBlock.renderFrame();
+			gl.glPopAttrib();
+		}
 		// bullets.render(drawable);
 		gl.glPopMatrix();
 
@@ -273,35 +289,68 @@ public class GameScene {
 			// inventoryRenderer.render(drawable);
 		}
 
-		viewport.drawText("avg fps: " + (int) Game.timer.getAvgFps(), 10, height - 20);
-		viewport.drawText("fps: " + (int) Game.timer.getFps(), 10, height - 35);
+		viewport.drawText("rad: " + Options.renderDistance, 10, height - 20);
+		viewport.drawText("avg fps: " + (int) Game.timer.getAvgFps(), 10, height - 35);
+		viewport.drawText("fps: " + (int) Game.timer.getFps(), 10, height - 50);
 		MemoryUsage heap = ManagementFactory.getMemoryMXBean().getHeapMemoryUsage();
 		viewport.drawText("mem: " + (heap.getUsed() / (1024 * 1024)) + "/" + (heap.getMax() / (1024 * 1024)), 10,
-				height - 50);
-
-		viewport.drawText("y: " + Game.instance.player.getY(), width - msz - 10, height - msz - 20);
-		viewport.drawText("y: " + Game.instance.player.getCameraY() + " (cam)", width - msz - 10, height - msz - 30);
-		viewport.drawText("x: " + Game.instance.player.getX(), width - msz - 10, height - msz - 40);
-		viewport.drawText("z: " + Game.instance.player.getZ(), width - msz - 10, height - msz - 50);
-		viewport.drawText("players: " + liveEntities.size(), width - msz - 10, height - msz - 70);
-		viewport.drawText("bullets: " + getBulletsCount(), width - msz - 10, height - msz - 95);
-		viewport.drawText("y velocity: " + player.velocity.y + " y accel: " + player.acceleration.y + " inJump: "
-				+ player.inJump + " onGround: " + player.onGround, width - msz - 350 - 10, height - msz - 110);
-		viewport.drawText("rdistance: " + renderDistance, width - msz - 10, height - msz - 155);
-
-		ChunkSlice cs = viewSlice.getChunkSlice();
-		viewport.drawText("slice x: " + cs.getX() + ".." + (cs.getX() + cs.getWidth() - 1) + " y: " + cs.getY() + ".."
-				+ (cs.getY() + cs.getHeight() - 1) + " z: " + cs.getZ() + ".." + (cs.getZ() + cs.getDepth() - 1), width
-				- msz * 2 - 10, height - msz - 170);
-		viewport.drawText("time: " + time.getDateTimeString(), width - msz * 2 - 10, height - msz - 185);
-		if (nearestBlock != null) {
-			viewport.drawText("block: " + nearestBlock.getX() + ":" + nearestBlock.getY() + ":" + nearestBlock.getZ()
-					+ " d " + nearestBlock.getDistance(Game.instance.camera), width - msz * 2 - 10, height - msz - 200);
-		}
+				height - 65);
+		//
+		// viewport.drawText("y: " + Game.instance.player.getY(), width - msz -
+		// 10, height - msz - 20);
+		// viewport.drawText("y: " + Game.instance.player.getCameraY() +
+		// " (cam)", width - msz - 10, height - msz - 30);
+		// viewport.drawText("x: " + Game.instance.player.getX(), width - msz -
+		// 10, height - msz - 40);
+		// viewport.drawText("z: " + Game.instance.player.getZ(), width - msz -
+		// 10, height - msz - 50);
+		// viewport.drawText("players: " + liveEntities.size(), width - msz -
+		// 10, height - msz - 70);
+		// viewport.drawText("bullets: " + getBulletsCount(), width - msz - 10,
+		// height - msz - 95);
+		// viewport.drawText("y velocity: " + player.velocity.y + " y accel: " +
+		// player.acceleration.y + " inJump: "
+		// + player.inJump + " onGround: " + player.onGround, width - msz - 350
+		// - 10, height - msz - 110);
+		// viewport.drawText("rdistance: " + Options.renderDistance, width - msz
+		// - 10, height - msz - 155);
+
+		// ChunkSlice cs = viewSlice.getChunkSlice();
+		// viewport.drawText("slice x: " + cs.getX() + ".." + (cs.getX() +
+		// cs.getWidth() - 1) + " y: " + cs.getY() + ".."
+		// + (cs.getY() + cs.getHeight() - 1) + " z: " + cs.getZ() + ".." +
+		// (cs.getZ() + cs.getDepth() - 1), width
+		// - msz * 2 - 10, height - msz - 170);
+		// viewport.drawText("time: " + time.getDateTimeString(), width - msz *
+		// 2 - 10, height - msz - 185);
+		// if (nearestBlock != null) {
+		// viewport.drawText("pick: " + nearestBlock.getX() + "," +
+		// nearestBlock.getY() + "," + nearestBlock.getZ()
+		// + " d " + nearestBlock.getDistance(Game.instance.camera), width - msz
+		// * 2 - 10, height - msz - 200);
+		// viewport.drawText(
+		// "edge: " + nearestBlock.location.isChunkEdge() + " left " +
+		// nearestBlock.location.isChunkLeftEdge(),
+		// width - msz * 2 - 10, height - msz - 210);
+		// }
+
+		// BlockLocation camloc = player.getCameraBlockLocation();
+		// viewport.drawText("cam chunk: " + camloc.getChunkLocation(), width -
+		// 200 - msz * 2 - 10, height - msz - 225);
+		// Chunk camc =
+		// viewSlice.getChunkSlice().getChunk(camloc.getChunkLocation());
+		// viewport.drawText("cam chunk: " + camc.isMeshCostructed + " mesh: " +
+		// camc.mesh, width - 200 - msz * 2 - 10,
+		// height - msz - 235);
+		// viewport.drawText(
+		// "chunk available: " + camc.isAvailable() + " chunk empty: "
+		// + (camc.isAvailable() ? camc.isEmpty() : "unknown"), width - 200 -
+		// msz * 2 - 10, height - msz
+		// - 245);
 
 		gl.glPopAttrib();
 		gl.glPopMatrix();
-		gl.glFlush();
+		// gl.glFlush();
 	}
 
 	public Player getPlayer() {
diff --git a/src/ru/olamedia/olacraft/world/block/Block.java b/src/ru/olamedia/olacraft/world/block/Block.java
index 44e9b1d..50752f0 100644
--- a/src/ru/olamedia/olacraft/world/block/Block.java
+++ b/src/ru/olamedia/olacraft/world/block/Block.java
@@ -1,34 +1,73 @@
 package ru.olamedia.olacraft.world.block;
 
+import javax.media.opengl.GL2;
+import javax.media.opengl.GL2ES2;
+import javax.media.opengl.GLContext;
 import javax.vecmath.Vector3f;
 
 import ru.olamedia.camera.MatrixCamera;
+import ru.olamedia.olacraft.game.Game;
 import ru.olamedia.olacraft.world.blockTypes.BlockType;
 import ru.olamedia.olacraft.world.blockTypes.EmptyBlockType;
+import ru.olamedia.olacraft.world.chunk.Chunk;
 import ru.olamedia.olacraft.world.chunk.ChunkUnavailableException;
+import ru.olamedia.olacraft.world.data.ChunkData;
+import ru.olamedia.olacraft.world.location.BlockLocation;
 import ru.olamedia.olacraft.world.provider.WorldProvider;
 
 public class Block {
-	private WorldProvider provider;
-	private int x;
-	private int y;
-	private int z;
+	public WorldProvider provider;
+	public BlockLocation location = new BlockLocation();
+
+	public void removeFromWorld() {
+		ChunkData cdata = provider.getChunk(location.getChunkLocation());
+		cdata.setEmpty(location, true);
+		Chunk chunk = Game.client.getScene().blockRenderer.chunkSlice.getChunk(location.getChunkLocation());
+		chunk.invalidate();
+		if (location.isChunkEdge()) {
+			if (location.isChunkBackEdge()) {
+				Chunk neighbor = Game.client.getScene().blockRenderer.chunkSlice.getChunk(location.getChunkLocation()
+						.getBack());
+				neighbor.invalidate();
+			} else if (location.isChunkFrontEdge()) {
+				Chunk neighbor = Game.client.getScene().blockRenderer.chunkSlice.getChunk(location.getChunkLocation()
+						.getFront());
+				neighbor.invalidate();
+			} else if (location.isChunkLeftEdge()) {
+				Chunk neighbor = Game.client.getScene().blockRenderer.chunkSlice.getChunk(location.getChunkLocation()
+						.getLeft());
+				neighbor.invalidate();
+			} else if (location.isChunkRightEdge()) {
+				Chunk neighbor = Game.client.getScene().blockRenderer.chunkSlice.getChunk(location.getChunkLocation()
+						.getRight());
+				neighbor.invalidate();
+			} else if (location.isChunkTopEdge()) {
+				Chunk neighbor = Game.client.getScene().blockRenderer.chunkSlice.getChunk(location.getChunkLocation()
+						.getTop());
+				neighbor.invalidate();
+			} else if (location.isChunkBottomEdge()) {
+				Chunk neighbor = Game.client.getScene().blockRenderer.chunkSlice.getChunk(location.getChunkLocation()
+						.getBottom());
+				neighbor.invalidate();
+			}
+		}
+	}
 
 	/**
 	 * Inventory block
 	 */
 	public Block() {
 		this.provider = null;
-		this.x = 0;
-		this.y = 0;
-		this.z = 0;
+		location.x = 0;
+		location.y = 0;
+		location.z = 0;
 	}
 
 	public void putIntoWorld(WorldProvider worldProvider, int x, int y, int z) {
 		this.provider = worldProvider;
-		this.x = x;
-		this.y = y;
-		this.z = z;
+		location.x = x;
+		location.y = y;
+		location.z = z;
 	}
 
 	public Block(WorldProvider worldProvider, int x, int y, int z) {
@@ -39,7 +78,7 @@ public class Block {
 	 * @return the x
 	 */
 	public int getX() {
-		return x;
+		return location.x;
 	}
 
 	/**
@@ -47,14 +86,14 @@ public class Block {
 	 *            the x to set
 	 */
 	public void setX(int x) {
-		this.x = x;
+		location.x = x;
 	}
 
 	/**
 	 * @return the y
 	 */
 	public int getY() {
-		return y;
+		return location.y;
 	}
 
 	/**
@@ -62,14 +101,14 @@ public class Block {
 	 *            the y to set
 	 */
 	public void setY(int y) {
-		this.y = y;
+		location.y = y;
 	}
 
 	/**
 	 * @return the z
 	 */
 	public int getZ() {
-		return z;
+		return location.z;
 	}
 
 	/**
@@ -77,15 +116,15 @@ public class Block {
 	 *            the z to set
 	 */
 	public void setZ(int z) {
-		this.z = z;
+		location.z = z;
 	}
 
 	public boolean isEmpty() throws ChunkUnavailableException {
-		return provider.isEmptyBlock(x, y, z);
+		return provider.isEmptyBlock(location.x, location.y, location.z);
 	}
 
 	public Block getNeighbor(int dx, int dy, int dz) {
-		return new Block(provider, x + dx, y + dy, z + dz);
+		return new Block(provider, location.x + dx, location.y + dy, location.z + dz);
 	}
 
 	public Block[] getNeighbors() {
@@ -153,34 +192,178 @@ public class Block {
 	}
 
 	private Vector3f getBottomRightBack() {
-		return new Vector3f(x + 0.5f, y - 0.5f, z - 0.5f);
+		return new Vector3f(location.x + 0.5f, location.y - 0.5f, location.z - 0.5f);
 	}
 
 	private Vector3f getBottomRightFront() {
-		return new Vector3f(x + 0.5f, y - 0.5f, z + 0.5f);
+		return new Vector3f(location.x + 0.5f, location.y - 0.5f, location.z + 0.5f);
 	}
 
 	private Vector3f getBottomLeftFront() {
-		return new Vector3f(x - 0.5f, y - 0.5f, z + 0.5f);
+		return new Vector3f(location.x - 0.5f, location.y - 0.5f, location.z + 0.5f);
 	}
 
 	private Vector3f getBottomLeftBack() {
-		return new Vector3f(x - 0.5f, y - 0.5f, z - 0.5f);
+		return new Vector3f(location.x - 0.5f, location.y - 0.5f, location.z - 0.5f);
 	}
 
 	private Vector3f getTopRightBack() {
-		return new Vector3f(x + 0.5f, y + 0.5f, z - 0.5f);
+		return new Vector3f(location.x + 0.5f, location.y + 0.5f, location.z - 0.5f);
 	}
 
 	private Vector3f getTopLeftFront() {
-		return new Vector3f(x - 0.5f, y + 0.5f, z + 0.5f);
+		return new Vector3f(location.x - 0.5f, location.y + 0.5f, location.z + 0.5f);
 	}
 
 	private Vector3f getTopRightFront() {
-		return new Vector3f(x + 0.5f, y + 0.5f, z + 0.5f);
+		return new Vector3f(location.x + 0.5f, location.y + 0.5f, location.z + 0.5f);
 	}
 
 	private Vector3f getTopLeftBack() {
-		return new Vector3f(x - 0.5f, y + 0.5f, z - 0.5f);
+		return new Vector3f(location.x - 0.5f, location.y + 0.5f, location.z - 0.5f);
+	}
+
+	public void request() {
+		provider.loadChunk(location.getChunkLocation());
+	}
+
+	public void renderFrame() {
+		GL2 gl = GLContext.getCurrentGL().getGL2();
+		gl.glDisable(GL2.GL_TEXTURE_2D);
+		gl.glEnable(GL2.GL_DEPTH_TEST);
+		gl.glEnable(GL2.GL_LINE_SMOOTH);
+		gl.glEnable(GL2.GL_POLYGON_SMOOTH);
+		gl.glHint(GL2.GL_LINE_SMOOTH_HINT, GL2.GL_NICEST);
+		gl.glHint(GL2.GL_POLYGON_SMOOTH_HINT, GL2.GL_NICEST);
+		// gl.glEnable(GL2.GL_BLEND); // Enable Blending
+		// gl.glBlendFunc(GL2.GL_SRC_ALPHA, GL2.GL_ONE);
+		gl.glPolygonMode(GL2.GL_FRONT_AND_BACK, GL2.GL_FILL);
+		float min = 0.505f;
+		float max = 0.495f;
+		gl.glBegin(GL2.GL_QUADS);
+		{
+			gl.glColor4f(0, 0, 0, 0.8f);
+			// top: right
+			gl.glVertex3f(location.x + min, location.y + min, location.z + min);
+			gl.glVertex3f(location.x + min, location.y + min, location.z - min);
+			gl.glVertex3f(location.x + max, location.y + min, location.z - min);
+			gl.glVertex3f(location.x + max, location.y + min, location.z + min);
+			// top: left
+			gl.glVertex3f(location.x - min, location.y + min, location.z + min);
+			gl.glVertex3f(location.x - min, location.y + min, location.z - min);
+			gl.glVertex3f(location.x - max, location.y + min, location.z - min);
+			gl.glVertex3f(location.x - max, location.y + min, location.z + min);
+			// top: back
+			gl.glVertex3f(location.x + min, location.y + min, location.z - min);
+			gl.glVertex3f(location.x - min, location.y + min, location.z - min);
+			gl.glVertex3f(location.x - min, location.y + min, location.z - max);
+			gl.glVertex3f(location.x + min, location.y + min, location.z - max);
+			// top: front
+			gl.glVertex3f(location.x + min, location.y + min, location.z + min);
+			gl.glVertex3f(location.x - min, location.y + min, location.z + min);
+			gl.glVertex3f(location.x - min, location.y + min, location.z + max);
+			gl.glVertex3f(location.x + min, location.y + min, location.z + max);
+			// bottom: right
+			gl.glVertex3f(location.x + min, location.y - min, location.z + min);
+			gl.glVertex3f(location.x + min, location.y - min, location.z - min);
+			gl.glVertex3f(location.x + max, location.y - min, location.z - min);
+			gl.glVertex3f(location.x + max, location.y - min, location.z + min);
+			// bottom: left
+			gl.glVertex3f(location.x - min, location.y - min, location.z + min);
+			gl.glVertex3f(location.x - min, location.y - min, location.z - min);
+			gl.glVertex3f(location.x - max, location.y - min, location.z - min);
+			gl.glVertex3f(location.x - max, location.y - min, location.z + min);
+			// bottom: back
+			gl.glVertex3f(location.x + min, location.y - min, location.z - min);
+			gl.glVertex3f(location.x - min, location.y - min, location.z - min);
+			gl.glVertex3f(location.x - min, location.y - min, location.z - max);
+			gl.glVertex3f(location.x + min, location.y - min, location.z - max);
+			// bottom: front
+			gl.glVertex3f(location.x + min, location.y - min, location.z + min);
+			gl.glVertex3f(location.x - min, location.y - min, location.z + min);
+			gl.glVertex3f(location.x - min, location.y - min, location.z + max);
+			gl.glVertex3f(location.x + min, location.y - min, location.z + max);
+			// front: right
+			gl.glVertex3f(location.x + min, location.y + min, location.z + min);
+			gl.glVertex3f(location.x + min, location.y - min, location.z + min);
+			gl.glVertex3f(location.x + max, location.y - min, location.z + min);
+			gl.glVertex3f(location.x + max, location.y + min, location.z + min);
+			// front: left
+			gl.glVertex3f(location.x - min, location.y + min, location.z + min);
+			gl.glVertex3f(location.x - min, location.y - min, location.z + min);
+			gl.glVertex3f(location.x - max, location.y - min, location.z + min);
+			gl.glVertex3f(location.x - max, location.y + min, location.z + min);
+			// front: bottom
+			gl.glVertex3f(location.x + min, location.y - min, location.z + min);
+			gl.glVertex3f(location.x - min, location.y - min, location.z + min);
+			gl.glVertex3f(location.x - min, location.y - max, location.z + min);
+			gl.glVertex3f(location.x + min, location.y - max, location.z + min);
+			// front: top
+			gl.glVertex3f(location.x + min, location.y + min, location.z + min);
+			gl.glVertex3f(location.x - min, location.y + min, location.z + min);
+			gl.glVertex3f(location.x - min, location.y + max, location.z + min);
+			gl.glVertex3f(location.x + min, location.y + max, location.z + min);
+			// back: right
+			gl.glVertex3f(location.x + min, location.y + min, location.z - min);
+			gl.glVertex3f(location.x + min, location.y - min, location.z - min);
+			gl.glVertex3f(location.x + max, location.y - min, location.z - min);
+			gl.glVertex3f(location.x + max, location.y + min, location.z - min);
+			// back: left
+			gl.glVertex3f(location.x - min, location.y + min, location.z - min);
+			gl.glVertex3f(location.x - min, location.y - min, location.z - min);
+			gl.glVertex3f(location.x - max, location.y - min, location.z - min);
+			gl.glVertex3f(location.x - max, location.y + min, location.z - min);
+			// back: bottom
+			gl.glVertex3f(location.x + min, location.y - min, location.z + min);
+			gl.glVertex3f(location.x - min, location.y - min, location.z + min);
+			gl.glVertex3f(location.x - min, location.y - max, location.z + min);
+			gl.glVertex3f(location.x + min, location.y - max, location.z + min);
+			// back: top
+			gl.glVertex3f(location.x + min, location.y + min, location.z + min);
+			gl.glVertex3f(location.x - min, location.y + min, location.z + min);
+			gl.glVertex3f(location.x - min, location.y + max, location.z + min);
+			gl.glVertex3f(location.x + min, location.y + max, location.z + min);
+			// left: back
+			gl.glVertex3f(location.x - min, location.y + min, location.z - min);
+			gl.glVertex3f(location.x - min, location.y - min, location.z - min);
+			gl.glVertex3f(location.x - min, location.y - min, location.z - max);
+			gl.glVertex3f(location.x - min, location.y + min, location.z - max);
+			// left: front
+			gl.glVertex3f(location.x - min, location.y + min, location.z + min);
+			gl.glVertex3f(location.x - min, location.y - min, location.z + min);
+			gl.glVertex3f(location.x - min, location.y - min, location.z + max);
+			gl.glVertex3f(location.x - min, location.y + min, location.z + max);
+			// left: top
+			gl.glVertex3f(location.x - min, location.y + min, location.z + min);
+			gl.glVertex3f(location.x - min, location.y + min, location.z - min);
+			gl.glVertex3f(location.x - min, location.y + max, location.z - min);
+			gl.glVertex3f(location.x - min, location.y + max, location.z + min);
+			// left: bottom
+			gl.glVertex3f(location.x - min, location.y - min, location.z + min);
+			gl.glVertex3f(location.x - min, location.y - min, location.z - min);
+			gl.glVertex3f(location.x - min, location.y - max, location.z - min);
+			gl.glVertex3f(location.x - min, location.y - max, location.z + min);
+			// right: back
+			gl.glVertex3f(location.x + min, location.y + min, location.z - min);
+			gl.glVertex3f(location.x + min, location.y - min, location.z - min);
+			gl.glVertex3f(location.x + min, location.y - min, location.z - max);
+			gl.glVertex3f(location.x + min, location.y + min, location.z - max);
+			// right: front
+			gl.glVertex3f(location.x + min, location.y + min, location.z + min);
+			gl.glVertex3f(location.x + min, location.y - min, location.z + min);
+			gl.glVertex3f(location.x + min, location.y - min, location.z + max);
+			gl.glVertex3f(location.x + min, location.y + min, location.z + max);
+			// right: top
+			gl.glVertex3f(location.x + min, location.y + min, location.z + min);
+			gl.glVertex3f(location.x + min, location.y + min, location.z - min);
+			gl.glVertex3f(location.x + min, location.y + max, location.z - min);
+			gl.glVertex3f(location.x + min, location.y + max, location.z + min);
+			// right: bottom
+			gl.glVertex3f(location.x + min, location.y - min, location.z + min);
+			gl.glVertex3f(location.x + min, location.y - min, location.z - min);
+			gl.glVertex3f(location.x + min, location.y - max, location.z - min);
+			gl.glVertex3f(location.x + min, location.y - max, location.z + min);
+		}
+		gl.glEnd();
 	}
 }
diff --git a/src/ru/olamedia/olacraft/world/block/BlockRegistry.java b/src/ru/olamedia/olacraft/world/block/BlockRegistry.java
index 19ccc94..ec9f9c1 100644
--- a/src/ru/olamedia/olacraft/world/block/BlockRegistry.java
+++ b/src/ru/olamedia/olacraft/world/block/BlockRegistry.java
@@ -23,16 +23,13 @@ public class BlockRegistry {
 		return names.get(id);
 	}
 
-	public int registerBlockType(@SuppressWarnings("rawtypes") Class type) {
-		if (type.isInstance(BlockType.class)) {
-			autoincrement++;
-			int id = autoincrement;
-			String classId = type.getName();
-			names.put(id, classId);
-			// types.put(id, type);
-			return autoincrement;
-		}
-		return 0;
+	public int registerBlockType(BlockType type) {
+		autoincrement++;
+		int id = autoincrement;
+		String classId = type.getClass().getName();
+		names.put(id, classId);
+		types.put(id, type);
+		return autoincrement;
 	}
 
 	public BlockRegistry getWorldRegistry() {
diff --git a/src/ru/olamedia/olacraft/world/blockTypes/AbstractBlockType.java b/src/ru/olamedia/olacraft/world/blockTypes/AbstractBlockType.java
index 6e2a86f..717c01f 100644
--- a/src/ru/olamedia/olacraft/world/blockTypes/AbstractBlockType.java
+++ b/src/ru/olamedia/olacraft/world/blockTypes/AbstractBlockType.java
@@ -2,6 +2,8 @@ package ru.olamedia.olacraft.world.blockTypes;
 
 import com.jogamp.opengl.util.texture.Texture;
 
+import ru.olamedia.olacraft.world.block.BlockRegistry;
+import ru.olamedia.olacraft.world.provider.WorldProvider;
 import ru.olamedia.texture.TextureManager;
 
 public abstract class AbstractBlockType implements BlockType {
@@ -75,12 +77,13 @@ public abstract class AbstractBlockType implements BlockType {
 		return TextureManager.get(this.getBackTextureFile());
 	}
 	
-	public void register(){
+	public void register(WorldProvider provider){
 		getBackTexture();
 		getBottomTexture();
 		getFrontTexture();
 		getLeftTexture();
 		getRightTexture();
 		getTopTexture();
+		provider.getTypeRegistry().registerBlockType(this);
 	}
 }
diff --git a/src/ru/olamedia/olacraft/world/blockTypes/DirtBlockType.java b/src/ru/olamedia/olacraft/world/blockTypes/DirtBlockType.java
new file mode 100644
index 0000000..a4e5dd7
--- /dev/null
+++ b/src/ru/olamedia/olacraft/world/blockTypes/DirtBlockType.java
@@ -0,0 +1,23 @@
+package ru.olamedia.olacraft.world.blockTypes;
+
+public class DirtBlockType extends AbstractBlockType {
+	@Override
+	public String getName() {
+		return "Gravel";
+	}
+
+	@Override
+	public int getMaxStack() {
+		return 64;
+	}
+
+	@Override
+	public String getStackTextureFile() {
+		return "texture/dirt.png";
+	}
+
+	@Override
+	public String getTopTextureFile() {
+		return "texture/dirt.png";
+	}
+}
diff --git a/src/ru/olamedia/olacraft/world/blockTypes/StoneBlockType.java b/src/ru/olamedia/olacraft/world/blockTypes/StoneBlockType.java
new file mode 100644
index 0000000..d2b3446
--- /dev/null
+++ b/src/ru/olamedia/olacraft/world/blockTypes/StoneBlockType.java
@@ -0,0 +1,29 @@
+package ru.olamedia.olacraft.world.blockTypes;
+
+public class StoneBlockType extends AbstractBlockType {
+	@Override
+	public String getName() {
+		return "Stone";
+	}
+
+	@Override
+	public int getMaxStack() {
+		return 64;
+	}
+
+	@Override
+	public String getStackTextureFile() {
+		return "texture/terrain-cobb.png";
+	}
+
+	@Override
+	public String getTopTextureFile() {
+		return "texture/terrain-cobb.png";
+	}
+
+	@Override
+	public String getFrontTextureFile() {
+		return "texture/terrain-cobb.png";
+	}
+}
+
diff --git a/src/ru/olamedia/olacraft/world/chunk/BlockSlice.java b/src/ru/olamedia/olacraft/world/chunk/BlockSlice.java
index bad802f..d02999d 100644
--- a/src/ru/olamedia/olacraft/world/chunk/BlockSlice.java
+++ b/src/ru/olamedia/olacraft/world/chunk/BlockSlice.java
@@ -34,7 +34,8 @@ public class BlockSlice implements Iterator<Block> {
 					}
 				}
 			} catch (ChunkUnavailableException e) {
-				e.printStackTrace();
+				//e.printStackTrace();
+				b.request();
 			}
 		}
 		return nearestBlock;
diff --git a/src/ru/olamedia/olacraft/world/chunk/Chunk.java b/src/ru/olamedia/olacraft/world/chunk/Chunk.java
index 9c0afb7..f390ebc 100644
--- a/src/ru/olamedia/olacraft/world/chunk/Chunk.java
+++ b/src/ru/olamedia/olacraft/world/chunk/Chunk.java
@@ -1,7 +1,8 @@
 package ru.olamedia.olacraft.world.chunk;
 
 import ru.olamedia.geom.SimpleQuadMesh;
-import ru.olamedia.olacraft.world.blockTypes.GrassBlockType;
+import ru.olamedia.olacraft.world.blockTypes.BlockType;
+import ru.olamedia.olacraft.world.data.ChunkData;
 import ru.olamedia.olacraft.world.location.BlockLocation;
 import ru.olamedia.olacraft.world.location.ChunkLocation;
 import ru.olamedia.olacraft.world.provider.WorldProvider;
@@ -9,6 +10,8 @@ import ru.olamedia.olacraft.world.provider.WorldProvider;
 public class Chunk extends BlockSlice {
 	public boolean isMeshCostructed = false;
 	public SimpleQuadMesh mesh;
+	public boolean usePrevMesh = false;
+	public SimpleQuadMesh prevMesh;
 
 	public int visibleTop = 0;
 	public int visibleBottom = 0;
@@ -17,6 +20,25 @@ public class Chunk extends BlockSlice {
 	public int visibleFront = 0;
 	public int visibleBack = 0;
 
+	public void render() {
+		if (isMeshCostructed) {
+			mesh.joglRender();
+		} else if (usePrevMesh) {
+			prevMesh.joglRender();
+		}
+	}
+
+	public void invalidate() {
+		if (null != mesh) {
+			prevMesh = mesh;
+			usePrevMesh = true;
+			if (null != mesh) {
+				mesh.restart();
+			}
+		}
+		isMeshCostructed = false;
+	}
+
 	public Chunk(WorldProvider provider) {
 		super(provider, 16, 16, 16);
 	}
@@ -93,32 +115,51 @@ public class Chunk extends BlockSlice {
 	 * @return the mesh
 	 */
 	public SimpleQuadMesh getMesh() {
+		if (!isAvailable()) {
+			return null;
+		}
 		if (isMeshCostructed) {
 			return mesh;
 		}
-		if (offset.y > provider.getInfo().maxHeight) {
-			// isMeshCostructed = true;
-			// return null;
+		if (offset.y >= provider.getInfo().maxHeight) {
+			isMeshCostructed = true;
+			return null;
 		}
 		if (offset.y < provider.getInfo().minHeight) {
-			// isMeshCostructed = true;
-			// return null;
+			isMeshCostructed = true;
+			return null;
 		}
-		if (null == mesh) {
-			mesh = new SimpleQuadMesh(14739); // unindexed
+
+		if (null == mesh || mesh.restart) {
+			ChunkData data = provider.getChunk(offset.getChunkLocation());
+			data.computeVisibility(provider);
+			// max 14739
+			System.out.println(data.visibleCount + " vis");
+			mesh = new SimpleQuadMesh(14739);
+			//mesh = new SimpleQuadMesh(Math.min(data.visibleCount * 6, 14739));
+			mesh.start();
 			// 17x17x17
 			// vertices
 			mesh.useColor();
 			mesh.useTexture();
 			// gl.glHint(GL2.GL_PERSPECTIVE_CORRECTION_HINT, GL2.GL_FASTEST);
 			// gl.glHint(GL2.GL_LINE_SMOOTH_HINT, GL2.GL_NICEST);
-			GrassBlockType grass = new GrassBlockType();
-			for (int x = offset.x; x < offset.x + getWidth(); x++) {
-				for (int y = offset.y; y < offset.y + getHeight(); y++) {
-					for (int z = offset.z; z < offset.z + getDepth(); z++) {
+			BlockType grass;
+			for (int dx = 0; dx < 16; dx++) {
+				for (int dy = 0; dy < 16; dy++) {
+					for (int dz = 0; dz < 16; dz++) {
+						int x = offset.x + dx;
+						int y = offset.y + dy;
+						int z = offset.z + dz;
+						if (mesh.restart) {
+							return null;
+						}
 						//
 						try {
-							if (!isEmptyBlock(x, y, z)) {
+							int id = dx * 16 * 16 + dy * 16 + dz;
+							if (data.visible.get(id) && !data.emptyBlocks.get(id)) {
+								grass = provider.getTypeRegistry().getBlockType(
+										provider.getChunk((new BlockLocation(x, y, z)).getChunkLocation()).types[id]);
 								mesh.setTranslation(x, y, z);
 								// mesh.setColor4f(0, 1, 0, 1);
 								float cbase = (float) (y / 200.0) * (float) (7.0 / 10.0);
@@ -197,6 +238,7 @@ public class Chunk extends BlockSlice {
 				}
 			}
 			mesh.endMesh();
+			data.visible = null;
 			isMeshCostructed = true;
 			return null;
 		}
@@ -311,4 +353,8 @@ public class Chunk extends BlockSlice {
 	public void setLocation(ChunkLocation location) {
 		setLocation(location.getBlockLocation().x, location.getBlockLocation().y, location.getBlockLocation().z);
 	}
+
+	public boolean inWorldRange() {
+		return (offset.y + 16 < provider.getInfo().maxHeight) && (offset.y > provider.getInfo().minHeight);
+	}
 }
diff --git a/src/ru/olamedia/olacraft/world/chunk/ChunkMeshBulder.java b/src/ru/olamedia/olacraft/world/chunk/ChunkMeshBulder.java
index d362199..e823b2f 100644
--- a/src/ru/olamedia/olacraft/world/chunk/ChunkMeshBulder.java
+++ b/src/ru/olamedia/olacraft/world/chunk/ChunkMeshBulder.java
@@ -4,7 +4,7 @@ import java.util.concurrent.ArrayBlockingQueue;
 
 public class ChunkMeshBulder extends Thread {
 	public static ChunkMeshBulder instance = new ChunkMeshBulder("Mesh builder");
-	private ArrayBlockingQueue<Chunk> chunks = new ArrayBlockingQueue<Chunk>(16);
+	private ArrayBlockingQueue<Chunk> chunks = new ArrayBlockingQueue<Chunk>(256);
 
 	public ChunkMeshBulder(String name) {
 		super(name);
@@ -36,6 +36,9 @@ public class ChunkMeshBulder extends Thread {
 			// main loop
 			try {
 				tick();
+				if (chunks.isEmpty()){
+					Thread.sleep(50);
+				}
 				// Thread.sleep(10); // or wait/join etc
 			} catch (InterruptedException ex) {
 				// cleanup here
diff --git a/src/ru/olamedia/olacraft/world/chunk/ChunkSlice.java b/src/ru/olamedia/olacraft/world/chunk/ChunkSlice.java
index d0307bb..14e2c1f 100644
--- a/src/ru/olamedia/olacraft/world/chunk/ChunkSlice.java
+++ b/src/ru/olamedia/olacraft/world/chunk/ChunkSlice.java
@@ -21,20 +21,41 @@ public class ChunkSlice {
 	}
 
 	protected HashMap<String, Chunk> chunks = new HashMap<String, Chunk>();
+	protected HashMap<Integer, HashMap<Integer, HashMap<Integer, Chunk>>> iChunks = new HashMap<Integer, HashMap<Integer, HashMap<Integer, Chunk>>>();
 
 	public Chunk getChunk(ChunkLocation location) {
-		int x = location.x;
-		int y = location.y;
-		int z = location.z;
-		String key = x + ";" + y + ";" + z;
-		if (chunks.containsKey(key)) {
-			return chunks.get(key);
+		// int x = location.x;
+		// int y = location.y;
+		// int z = location.z;
+		// String key = x + ";" + y + ";" + z;
+		if (iChunks.containsKey(location.x)) {
+			if (iChunks.get(location.x).containsKey(location.y)) {
+				if (iChunks.get(location.x).get(location.y).containsKey(location.z)) {
+					return iChunks.get(location.x).get(location.y).get(location.z);
+				} else {
+
+				}
+			} else {
+				iChunks.get(location.x).put(location.y, new HashMap<Integer, Chunk>());
+			}
 		} else {
-			Chunk chunk = new Chunk(provider);
-			chunk.setLocation(location);
-			chunks.put(key, chunk);
-			return chunk;
+			iChunks.put(location.x, new HashMap<Integer, HashMap<Integer, Chunk>>());
+			iChunks.get(location.x).put(location.y, new HashMap<Integer, Chunk>());
 		}
+
+		Chunk chunk = new Chunk(provider);
+		chunk.setLocation(location);
+		// chunks.put(key, chunk);
+		iChunks.get(location.x).get(location.y).put(location.z, chunk);
+		return chunk;
+		// if (chunks.containsKey(key)) {
+		// return chunks.get(key);
+		// } else {
+		// Chunk chunk = new Chunk(provider);
+		// chunk.setLocation(location);
+		// chunks.put(key, chunk);
+		// return chunk;
+		// }
 	}
 
 	/**
@@ -108,6 +129,7 @@ public class ChunkSlice {
 	public int getZ() {
 		return offset.z;
 	}
+
 	public void setLocation(ChunkLocation chunkOffset) {
 		offset = chunkOffset;
 	}
diff --git a/src/ru/olamedia/olacraft/world/data/ChunkData.java b/src/ru/olamedia/olacraft/world/data/ChunkData.java
index a6b9f34..42f7811 100644
--- a/src/ru/olamedia/olacraft/world/data/ChunkData.java
+++ b/src/ru/olamedia/olacraft/world/data/ChunkData.java
@@ -3,9 +3,11 @@ package ru.olamedia.olacraft.world.data;
 import java.io.Serializable;
 
 import ru.olamedia.math.OpenBitSet;
+import ru.olamedia.olacraft.world.blockTypes.BlockType;
 import ru.olamedia.olacraft.world.chunk.Chunk;
 import ru.olamedia.olacraft.world.location.BlockLocation;
 import ru.olamedia.olacraft.world.location.ChunkLocation;
+import ru.olamedia.olacraft.world.provider.WorldProvider;
 
 public class ChunkData implements Serializable {
 	private static final long serialVersionUID = -5704237444737895501L;
@@ -13,17 +15,160 @@ public class ChunkData implements Serializable {
 	public static transient int SIZE = 4096;
 	// private boolean[] notEmpty = new boolean[SIZE];
 	public OpenBitSet emptyBlocks = new OpenBitSet(4096);
+	public int visibleCount = 0;
+	public OpenBitSet visible = null; // fast precomputed
+														// visibility (true if
+														// any side is open)
+	//public OpenBitSet sunlight = new OpenBitSet(65536);
+	public byte[] types = new byte[4096];
 	public int notEmptyCount = 0;
+	public boolean visibilityPrecomputed = false;
 
 	// public transient int[] type = new int[SIZE];
 
 	public ChunkData() {
 	}
 
+	private void setVisible(int x, int y, int z) {
+		if (x < 0 || x > 15 || y < 0 || y > 15 || z < 0 || z > 15) {
+			return;
+		}
+		int id = x * 16 * 16 + y * 16 + z;
+		if (!visible.get(id)){
+			visibleCount++;
+		}
+		visible.set(id);
+	}
+
+	private void setInvisible(int x, int y, int z) {
+		if (x < 0 || x > 15 || y < 0 || y > 15 || z < 0 || z > 15) {
+			return;
+		}
+		int id = x * 16 * 16 + y * 16 + z;
+		if (visible.get(id)){
+			visibleCount--;
+		}
+		visible.clear(id);
+	}
+
+	public void computeVisibility(WorldProvider provider) {
+		visible = new OpenBitSet(4096);
+		visibleCount = 0;
+		precomputeVisibility();
+		computeVisibility(provider.getChunk(location.getLeft()), provider.getChunk(location.getRight()),
+				provider.getChunk(location.getTop()), provider.getChunk(location.getBottom()),
+				provider.getChunk(location.getFront()), provider.getChunk(location.getBack()));
+	}
+
+	public void computeVisibility(ChunkData left, ChunkData right, ChunkData top, ChunkData bottom, ChunkData front,
+			ChunkData back) {
+		// compute left/right
+		int x, y, z, id;
+		for (y = 0; y <= 15; y++) {
+			for (z = 0; z <= 15; z++) {
+				x = 15;
+				id = x * 16 * 16 + y * 16 + z;
+				if (left.emptyBlocks.get(id)) {
+					x = 0;
+					setVisible(x, y, z);
+				}
+				x = 0;
+				id = x * 16 * 16 + y * 16 + z;
+				if (right.emptyBlocks.get(id)) {
+					x = 15;
+					setVisible(x, y, z);
+				}
+			}
+		}
+		// top/bottom
+		for (x = 0; x <= 15; x++) {
+			for (z = 0; z <= 15; z++) {
+				y = 15;
+				id = x * 16 * 16 + y * 16 + z;
+				if (bottom.emptyBlocks.get(id)) {
+					y = 0;
+					setVisible(x, y, z);
+				}
+				y = 0;
+				id = x * 16 * 16 + y * 16 + z;
+				if (top.emptyBlocks.get(id)) {
+					y = 15;
+					setVisible(x, y, z);
+				}
+			}
+		}
+		// front/back
+		for (x = 0; x <= 15; x++) {
+			for (y = 0; y <= 15; y++) {
+				z = 15;
+				id = x * 16 * 16 + y * 16 + z;
+				if (back.emptyBlocks.get(id)) {
+					z = 0;
+					setVisible(x, y, z);
+				}
+				z = 0;
+				id = x * 16 * 16 + y * 16 + z;
+				if (front.emptyBlocks.get(id)) {
+					z = 15;
+					setVisible(x, y, z);
+				}
+			}
+		}
+	}
+
+	/**
+	 * Compute visibility ("visible" if any side have non-opaque neighbor)
+	 * Leaving side blocks invisible. Use computeVisibility(WorldProvider) to compute visibility of side blocks
+	 */
+	public void precomputeVisibility() {
+		// first pass, make all blocks invisible, except side blocks
+		for (int x = 0; x <= 15; x++) {
+			for (int y = 0; y <= 15; y++) {
+				for (int z = 0; z <= 15; z++) {
+					// if (x == 0 || x == 15 || y == 0 || y == 15 || z == 0 || z
+					// == 15) {
+					// setVisible(x, y, z);
+					// } else {
+					// setInvisible(x, y, z);
+					// }
+					setInvisible(x, y, z);
+				}
+			}
+		}
+		// second pass, make some blocks visible
+		for (int x = 0; x <= 15; x++) {
+			for (int y = 0; y <= 15; y++) {
+				for (int z = 0; z <= 15; z++) {
+					int id = x * 16 * 16 + y * 16 + z;
+					if (emptyBlocks.get(id)) {
+						setVisible(x - 1, y, z);
+						setVisible(x + 1, y, z);
+						setVisible(x, y - 1, z);
+						setVisible(x, y + 1, z);
+						setVisible(x, y, z - 1);
+						setVisible(x, y, z + 1);
+					}
+				}
+			}
+		}
+		visibilityPrecomputed = true;
+	}
+
 	public void compact() {
 		if (emptyBlocks.cardinality() == 0) {
-			emptyBlocks = null;
+			// emptyBlocks = null;
+		}
+	}
+
+	public BlockType getType(BlockLocation blockLocation, WorldProvider provider) {
+		if (emptyBlocks == null) {
+			return null;
+		}
+		int id = Chunk.in(blockLocation.x) * 16 * 16 + Chunk.in(blockLocation.y) * 16 + Chunk.in(blockLocation.z);
+		if (isEmpty(id)) {
+			return null;
 		}
+		return provider.getBlockTypeById(types[id]);
 	}
 
 	public boolean isEmpty(BlockLocation blockLocation) {
diff --git a/src/ru/olamedia/olacraft/world/dataProvider/CachedChunkDataProvider.java b/src/ru/olamedia/olacraft/world/dataProvider/CachedChunkDataProvider.java
index 9ba9496..1e6c0c1 100644
--- a/src/ru/olamedia/olacraft/world/dataProvider/CachedChunkDataProvider.java
+++ b/src/ru/olamedia/olacraft/world/dataProvider/CachedChunkDataProvider.java
@@ -1,6 +1,9 @@
 package ru.olamedia.olacraft.world.dataProvider;
 
 import java.util.HashMap;
+import java.util.Iterator;
+import java.util.Set;
+import java.util.concurrent.ConcurrentHashMap;
 
 import ru.olamedia.olacraft.world.data.RegionData;
 import ru.olamedia.olacraft.world.location.RegionLocation;
@@ -8,6 +11,7 @@ import ru.olamedia.olacraft.world.location.RegionLocation;
 public class CachedChunkDataProvider extends AbstractChunkDataProvider {
 	private AbstractChunkDataProvider provider;
 	private HashMap<String, RegionData> regionMap = new HashMap<String, RegionData>();
+	private ConcurrentHashMap<String, Integer> ticks = new ConcurrentHashMap<String, Integer>();
 
 	public CachedChunkDataProvider(AbstractChunkDataProvider provider) {
 		this.provider = provider;
@@ -21,6 +25,24 @@ public class CachedChunkDataProvider extends AbstractChunkDataProvider {
 		}
 	}
 
+	@SuppressWarnings("unused")
+	private void tick(String key) {
+		ticks.put(key, 0);
+		gc();
+	}
+
+	private void gc() {
+		Iterator<String> keys = ticks.keySet().iterator();
+		while (keys.hasNext()) {
+			String key = keys.next();
+			ticks.put(key, ticks.get(key) + 1);
+			if (ticks.get(key) > 30) {
+				ticks.remove(key);
+				regionMap.remove(key);
+			}
+		}
+	}
+
 	@Override
 	public boolean isRegionAvailable(RegionLocation regionLocation) {
 		String key = regionLocation.toString();// regionLocation.x + "-" +
@@ -44,6 +66,7 @@ public class CachedChunkDataProvider extends AbstractChunkDataProvider {
 	@Override
 	public RegionData getRegion(RegionLocation regionLocation) {
 		String key = regionLocation.toString();
+		// tick(key);
 		if (regionMap.containsKey(key)) {
 			return regionMap.get(key);
 		} else {
diff --git a/src/ru/olamedia/olacraft/world/dataProvider/RemoteChunkDataProvider.java b/src/ru/olamedia/olacraft/world/dataProvider/RemoteChunkDataProvider.java
index cd48071..0c52ced 100644
--- a/src/ru/olamedia/olacraft/world/dataProvider/RemoteChunkDataProvider.java
+++ b/src/ru/olamedia/olacraft/world/dataProvider/RemoteChunkDataProvider.java
@@ -19,6 +19,7 @@ public class RemoteChunkDataProvider extends AbstractChunkDataProvider implement
 	private GameClient client;
 	private HashMap<String, RegionData> map = new HashMap<String, RegionData>();
 	private List<String> loading = new ArrayList<String>();
+	private List<RegionLocation> queue = new ArrayList<RegionLocation>();
 
 	public RemoteChunkDataProvider(GameClient client) {
 		this.client = client;
@@ -36,7 +37,7 @@ public class RemoteChunkDataProvider extends AbstractChunkDataProvider implement
 	@Override
 	public void loadRegion(RegionLocation regionLocation) {
 		String key = regionLocation.toString();
-		if (!loading.contains(key)) {
+		if (loading.isEmpty() && !loading.contains(key)) {
 			debug("loadRegion(" + key + ")");
 			loading.add(key);
 			client.send(new GetRegionPacket(regionLocation));
diff --git a/src/ru/olamedia/olacraft/world/generator/RegionGenerator.java b/src/ru/olamedia/olacraft/world/generator/RegionGenerator.java
index 05fc067..79ac898 100644
--- a/src/ru/olamedia/olacraft/world/generator/RegionGenerator.java
+++ b/src/ru/olamedia/olacraft/world/generator/RegionGenerator.java
@@ -1,5 +1,6 @@
 package ru.olamedia.olacraft.world.generator;
 
+import ru.olamedia.olacraft.world.chunk.Chunk;
 import ru.olamedia.olacraft.world.data.ChunkData;
 import ru.olamedia.olacraft.world.data.HeightMap;
 import ru.olamedia.olacraft.world.data.RegionData;
@@ -68,7 +69,10 @@ public class RegionGenerator {
 										// System.out.println("not empty, height: "
 										// + height);
 									}
+									int id = Chunk.in(blockOffset.x) * 16 * 16 + Chunk.in(blockOffset.y) * 16
+											+ Chunk.in(blockOffset.z);
 									chunk.setEmpty(blockOffset, false);
+									chunk.types[id] = (byte) (1 + Math.random() * 4);
 								}
 							}
 						}
diff --git a/src/ru/olamedia/olacraft/world/location/BlockLocation.java b/src/ru/olamedia/olacraft/world/location/BlockLocation.java
index b104bad..9639ac1 100644
--- a/src/ru/olamedia/olacraft/world/location/BlockLocation.java
+++ b/src/ru/olamedia/olacraft/world/location/BlockLocation.java
@@ -13,12 +13,49 @@ public class BlockLocation implements Serializable {
 	public BlockLocation() {
 	}
 
+	public boolean isChunkEdge() {
+		int cx = Chunk.in(x);
+		int cy = Chunk.in(y);
+		int cz = Chunk.in(z);
+		return (cx == 0 || cy == 0 || cz == 0 || cx == 15 || cy == 15 || cz == 15);
+	}
+
+	public boolean isChunkLeftEdge() {
+		return Chunk.in(x) == 0;
+	}
+
+	public boolean isChunkRightEdge() {
+		return Chunk.in(x) == 15;
+	}
+
+	public boolean isChunkTopEdge() {
+		return Chunk.in(y) == 15;
+	}
+
+	public boolean isChunkBottomEdge() {
+		return Chunk.in(y) == 0;
+	}
+
+	public boolean isChunkFrontEdge() {
+		return Chunk.in(z) == 15;
+	}
+
+	public boolean isChunkBackEdge() {
+		return Chunk.in(z) == 0;
+	}
+
 	public BlockLocation(int x, int y, int z) {
 		this.x = x;
 		this.y = y;
 		this.z = z;
 	}
 
+	public BlockLocation(float x, float y, float z) {
+		this.x = (int) x;
+		this.y = (int) y;
+		this.z = (int) z;
+	}
+
 	public ChunkLocation getChunkLocation() {
 		return new ChunkLocation(Chunk.v(x), Chunk.v(y + 128), Chunk.v(z));
 	}
diff --git a/src/ru/olamedia/olacraft/world/location/ChunkLocation.java b/src/ru/olamedia/olacraft/world/location/ChunkLocation.java
index a772c6d..439b9be 100644
--- a/src/ru/olamedia/olacraft/world/location/ChunkLocation.java
+++ b/src/ru/olamedia/olacraft/world/location/ChunkLocation.java
@@ -17,6 +17,12 @@ public class ChunkLocation implements Serializable {
 		this.z = z;
 	}
 
+	public ChunkLocation(ChunkLocation loc) {
+		this.x = loc.x;
+		this.y = loc.y;
+		this.z = loc.z;
+	}
+
 	public int x;
 	public int y;
 	public int z;
@@ -42,4 +48,32 @@ public class ChunkLocation implements Serializable {
 	public BlockLocation getBlockLocation() {
 		return new BlockLocation(Chunk.rev(x), Chunk.rev(y) - 128, Chunk.rev(z));
 	}
+
+	public ChunkLocation getNeighbor(int dx, int dy, int dz) {
+		return new ChunkLocation(x + dx, y + dy, z + dz);
+	}
+
+	public ChunkLocation getLeft() {
+		return getNeighbor(-1, 0, 0);
+	}
+
+	public ChunkLocation getRight() {
+		return getNeighbor(1, 0, 0);
+	}
+
+	public ChunkLocation getTop() {
+		return getNeighbor(0, 1, 0);
+	}
+
+	public ChunkLocation getBottom() {
+		return getNeighbor(0, -1, 0);
+	}
+
+	public ChunkLocation getBack() {
+		return getNeighbor(0, 0, -1);
+	}
+
+	public ChunkLocation getFront() {
+		return getNeighbor(0, 0, 1);
+	}
 }
diff --git a/src/ru/olamedia/olacraft/world/provider/WorldProvider.java b/src/ru/olamedia/olacraft/world/provider/WorldProvider.java
index 9e76d1a..7471b52 100644
--- a/src/ru/olamedia/olacraft/world/provider/WorldProvider.java
+++ b/src/ru/olamedia/olacraft/world/provider/WorldProvider.java
@@ -3,7 +3,9 @@ package ru.olamedia.olacraft.world.provider;
 import ru.olamedia.olacraft.game.SpawnLocation;
 import ru.olamedia.olacraft.world.WorldInfo;
 import ru.olamedia.olacraft.world.block.Block;
-import ru.olamedia.olacraft.world.chunk.Chunk;
+import ru.olamedia.olacraft.world.block.BlockRegistry;
+import ru.olamedia.olacraft.world.blockTypes.AbstractBlockType;
+import ru.olamedia.olacraft.world.blockTypes.BlockType;
 import ru.olamedia.olacraft.world.chunk.ChunkUnavailableException;
 import ru.olamedia.olacraft.world.data.ChunkData;
 import ru.olamedia.olacraft.world.data.RegionData;
@@ -14,11 +16,16 @@ import ru.olamedia.olacraft.world.location.RegionLocation;
 
 public class WorldProvider {
 	private WorldInfo info = new WorldInfo();
+	private BlockRegistry typeRegistry = new BlockRegistry();
 	private AbstractChunkDataProvider dataProvider;
 
 	public WorldInfo getInfo() {
 		return info;
 	}
+	
+	public BlockRegistry getTypeRegistry(){
+		return typeRegistry;
+	}
 
 	public void setInfo(WorldInfo worldInfo) {
 		info = worldInfo;
@@ -126,11 +133,14 @@ public class WorldProvider {
 	}
 
 	public Block getBlock(int x, int y, int z) {
-		BlockLocation blockLocation = new BlockLocation(x, y, z);
 		return new Block(this, x, y, z);
 	}
 
 	public ChunkData getChunk(ChunkLocation chunkLocation) {
 		return dataProvider.getChunk(chunkLocation);
 	}
+
+	public BlockType getBlockTypeById(int id) {
+		return typeRegistry.getBlockType(id);
+	}
 }
diff --git a/src/ru/olamedia/player/Player.java b/src/ru/olamedia/player/Player.java
index 08811b5..bb62201 100644
--- a/src/ru/olamedia/player/Player.java
+++ b/src/ru/olamedia/player/Player.java
@@ -4,6 +4,9 @@ import ru.olamedia.liveEntity.LiveEntity;
 import ru.olamedia.olacraft.game.Game;
 import ru.olamedia.olacraft.network.packet.LiveEntityLocationUpdatePacket;
 import ru.olamedia.olacraft.weapon.Bullet;
+import ru.olamedia.olacraft.world.block.Block;
+import ru.olamedia.olacraft.world.chunk.Chunk;
+import ru.olamedia.olacraft.world.data.ChunkData;
 
 public class Player extends LiveEntity {
 
@@ -17,15 +20,21 @@ public class Player extends LiveEntity {
 	}
 
 	public Player() {
-
+	}
+	
+	public void pickBlock(Block b){
+		b.removeFromWorld();
 	}
 
 	public void onMouseClick() {
-		Bullet b = new Bullet();
-		b.velocity.set(Game.instance.camera.getLook());
-		b.velocity.negate();
-		b.velocity.scale(100);
-		b.location.set(getX(), getCameraY(), getZ());
-		Game.client.getScene().addBullet(b);
+		if (null != Game.client.getScene().nearestBlock){
+			pickBlock(Game.client.getScene().nearestBlock);
+		}
+		// Bullet b = new Bullet();
+		// b.velocity.set(Game.instance.camera.getLook());
+		// b.velocity.negate();
+		// b.velocity.scale(100);
+		// b.location.set(getX(), getCameraY(), getZ());
+		// Game.client.getScene().addBullet(b);
 	}
 }