Asset manager queueing + cube voxel meshing

buildNumber.properties

@@ -1,3 +1,3 @@
 #maven.buildNumber.plugin properties file
-#Sat Nov 23 11:28:50 EST 2024
-buildNumber=401
+#Sat Nov 23 20:49:19 EST 2024
+buildNumber=403

docs/src/progress/renderertodo.md

@@ -1140,6 +1140,10 @@ Move text files to documentation pages
 1000th commit milestone!
 Pine tree collidables
 Fix human animation bad data
+Fix script entity spawn utils not spawning on max cursor distance
+Block mesh generation
+Add asset manager support for queueing models asynchronously w/ promised path
+Add promised path support to queued textures
 
 
 # TODO

src/main/java/electrosphere/client/block/BlockChunkData.java

@@ -0,0 +1,151 @@
+package electrosphere.client.block;
+
+import electrosphere.server.terrain.manager.ServerTerrainChunk;
+
+/**
+ * Stores data about a chunk of blocks
+ */
+public class BlockChunkData {
+    
+    /**
+     * Number of blocks in each dimension of a chunk
+     */
+    public static final int CHUNK_DATA_WIDTH = 64;
+
+    /**
+     * The number of blocks to place within each unit of distance
+     */
+    public static final int BLOCKS_PER_UNIT_DISTANCE = CHUNK_DATA_WIDTH / ServerTerrainChunk.CHUNK_PLACEMENT_OFFSET;
+
+    /**
+     * The amount to scale block size by
+     */
+    public static final float BLOCK_SIZE_MULTIPLIER = 1.0f / BLOCKS_PER_UNIT_DISTANCE;
+
+
+    /**
+     * The type of block at a given position
+     */
+    short[] type;
+
+    /**
+     * Metadata about a block
+     * first 4 bits are the rotation of the block)
+     */
+    short[] metadata;
+
+    /**
+     * Constructor
+     */
+    public BlockChunkData(){
+    }
+
+    /**
+     * Constructor
+     */
+    public static BlockChunkData allocate(){
+        BlockChunkData rVal = new BlockChunkData();
+        rVal.setType(new short[CHUNK_DATA_WIDTH * CHUNK_DATA_WIDTH * CHUNK_DATA_WIDTH]);
+        rVal.setMetadata(new short[CHUNK_DATA_WIDTH * CHUNK_DATA_WIDTH * CHUNK_DATA_WIDTH]);
+        return rVal;
+    }
+
+    /**
+     * Gets the type data for the chunk
+     * @return The type data
+     */
+    public short[] getType() {
+        return type;
+    }
+
+    /**
+     * Sets the type data for the chunk
+     * @param type The type data
+     */
+    public void setType(short[] type) {
+        if(type.length != CHUNK_DATA_WIDTH * CHUNK_DATA_WIDTH * CHUNK_DATA_WIDTH){
+            throw new Error("Set type with invalid length! " + type.length);
+        }
+        this.type = type;
+    }
+
+    /**
+     * Gets the metadata for the chunk
+     * @return The metadata
+     */
+    public short[] getMetadata() {
+        return metadata;
+    }
+
+    /**
+     * Sets the metadata for the chunk
+     * @param metadata The metadata
+     */
+    public void setMetadata(short[] metadata) {
+        if(metadata.length != CHUNK_DATA_WIDTH * CHUNK_DATA_WIDTH * CHUNK_DATA_WIDTH){
+            throw new Error("Set metadata with invalid length! " + metadata.length);
+        }
+        this.metadata = metadata;
+    }
+
+    
+
+    /**
+     * Gets the type at a given position
+     * @param x The x position
+     * @param y The y position
+     * @param z The z position
+     * @return The type at that position
+     */
+    public short getType(int x, int y, int z){
+        return this.type[x * CHUNK_DATA_WIDTH * CHUNK_DATA_WIDTH + z * CHUNK_DATA_WIDTH + y];
+    }
+
+    /**
+     * Sets a specific block's type
+     * @param x The x position
+     * @param y The y position
+     * @param z The z position
+     * @param type The type
+     */
+    public void setType(int x, int y, int z, short type){
+        this.type[x * CHUNK_DATA_WIDTH * CHUNK_DATA_WIDTH + z * CHUNK_DATA_WIDTH + y] = type;
+    }
+
+    /**
+     * Sets a specific block's type
+     * @param x The x position
+     * @param y The y position
+     * @param z The z position
+     * @param type The type
+     */
+    public void setType(int x, int y, int z, int type){
+        this.type[x * CHUNK_DATA_WIDTH * CHUNK_DATA_WIDTH + z * CHUNK_DATA_WIDTH + y] = (short)type;
+    }
+
+    /**
+     * Gets the metadata at a given position
+     * @param x The x position
+     * @param y The y position
+     * @param z The z position
+     * @return The metadata at that position
+     */
+    public short getMetadata(int x, int y, int z){
+        return this.metadata[x * CHUNK_DATA_WIDTH * CHUNK_DATA_WIDTH + z * CHUNK_DATA_WIDTH + y];
+    }
+
+
+    /**
+     * Checks if a given location is empty
+     * @param x The x position
+     * @param y The y position
+     * @param z The z position
+     * @return true if empty, false otherwise
+     */
+    public boolean isEmpty(int x, int y, int z){
+        boolean empty = this.getType(x,y,z) == 0;
+        return empty;
+    }
+    
+
+}

src/main/java/electrosphere/client/ui/menu/script/ScriptLevelEditorUtils.java

@@ -41,10 +41,11 @@ public class ScriptLevelEditorUtils {
                 Realm realm = Globals.realmManager.getRealms().iterator().next();
                 CollisionEngine clientCollisionEngine = Globals.clientSceneWrapper.getCollisionEngine(); //using client collision engine so ray doesn't collide with player entity
                 Vector3d cursorPos = clientCollisionEngine.rayCastPosition(new Vector3d(centerPos), new Vector3d(eyePos).mul(-1.0), CollisionEngine.DEFAULT_INTERACT_DISTANCE);
-                if(cursorPos != null){
-                    cursorPos = cursorPos.add(cursorVerticalOffset);
-                    CreatureUtils.serverSpawnBasicCreature(realm, cursorPos, Globals.selectedSpawntype.getId(), null);
+                if(cursorPos == null){
+                    cursorPos = new Vector3d(centerPos).add(new Vector3d(eyePos).normalize().mul(-CollisionEngine.DEFAULT_INTERACT_DISTANCE));
                 }
+                cursorPos = cursorPos.add(cursorVerticalOffset);
+                CreatureUtils.serverSpawnBasicCreature(realm, cursorPos, Globals.selectedSpawntype.getId(), null);
             } else if(Globals.selectedSpawntype instanceof Item){
                 LoggerInterface.loggerEngine.INFO("spawn " + Globals.selectedSpawntype.getId() + "!");
                 Vector3d eyePos = new Vector3d(CameraEntityUtils.getCameraEye(Globals.playerCamera));
@@ -52,10 +53,11 @@ public class ScriptLevelEditorUtils {
                 Realm realm = Globals.realmManager.getRealms().iterator().next();
                 CollisionEngine clientCollisionEngine = Globals.clientSceneWrapper.getCollisionEngine(); //using client collision engine so ray doesn't collide with player entity
                 Vector3d cursorPos = clientCollisionEngine.rayCastPosition(new Vector3d(centerPos), new Vector3d(eyePos).mul(-1.0), CollisionEngine.DEFAULT_INTERACT_DISTANCE);
-                if(cursorPos != null){
-                    cursorPos = cursorPos.add(cursorVerticalOffset);
-                    ItemUtils.serverSpawnBasicItem(realm, cursorPos, Globals.selectedSpawntype.getId());
+                if(cursorPos == null){
+                    cursorPos = new Vector3d(centerPos).add(new Vector3d(eyePos).normalize().mul(-CollisionEngine.DEFAULT_INTERACT_DISTANCE));
                 }
+                cursorPos = cursorPos.add(cursorVerticalOffset);
+                ItemUtils.serverSpawnBasicItem(realm, cursorPos, Globals.selectedSpawntype.getId());
             } else if(Globals.selectedSpawntype instanceof FoliageType){
                 LoggerInterface.loggerEngine.INFO("spawn " + Globals.selectedSpawntype.getId() + "!");
                 Vector3d eyePos = new Vector3d(CameraEntityUtils.getCameraEye(Globals.playerCamera));
@@ -63,10 +65,11 @@ public class ScriptLevelEditorUtils {
                 Realm realm = Globals.realmManager.getRealms().iterator().next();
                 CollisionEngine clientCollisionEngine = Globals.clientSceneWrapper.getCollisionEngine(); //using client collision engine so ray doesn't collide with player entity
                 Vector3d cursorPos = clientCollisionEngine.rayCastPosition(new Vector3d(centerPos), new Vector3d(eyePos).mul(-1.0), CollisionEngine.DEFAULT_INTERACT_DISTANCE);
-                if(cursorPos != null){
-                    cursorPos = cursorPos.add(cursorVerticalOffset);
-                    FoliageUtils.serverSpawnTreeFoliage(realm, cursorPos, Globals.selectedSpawntype.getId(), new Random().nextLong());
+                if(cursorPos == null){
+                    cursorPos = new Vector3d(centerPos).add(new Vector3d(eyePos).normalize().mul(-CollisionEngine.DEFAULT_INTERACT_DISTANCE));
                 }
+                cursorPos = cursorPos.add(cursorVerticalOffset);
+                FoliageUtils.serverSpawnTreeFoliage(realm, cursorPos, Globals.selectedSpawntype.getId(), new Random().nextLong());
             } else {
                 LoggerInterface.loggerEngine.INFO("spawn " + Globals.selectedSpawntype.getId() + "!");
                 Vector3d eyePos = new Vector3d(CameraEntityUtils.getCameraEye(Globals.playerCamera));
@@ -74,10 +77,11 @@ public class ScriptLevelEditorUtils {
                 Realm realm = Globals.realmManager.getRealms().iterator().next();
                 CollisionEngine clientCollisionEngine = Globals.clientSceneWrapper.getCollisionEngine(); //using client collision engine so ray doesn't collide with player entity
                 Vector3d cursorPos = clientCollisionEngine.rayCastPosition(new Vector3d(centerPos), new Vector3d(eyePos).mul(-1.0), CollisionEngine.DEFAULT_INTERACT_DISTANCE);
-                if(cursorPos != null){
-                    cursorPos = cursorPos.add(cursorVerticalOffset);
-                    CommonEntityUtils.serverSpawnBasicObject(realm, cursorPos, Globals.selectedSpawntype.getId());
+                if(cursorPos == null){
+                    cursorPos = new Vector3d(centerPos).add(new Vector3d(eyePos).normalize().mul(-CollisionEngine.DEFAULT_INTERACT_DISTANCE));
                 }
+                cursorPos = cursorPos.add(cursorVerticalOffset);
+                CommonEntityUtils.serverSpawnBasicObject(realm, cursorPos, Globals.selectedSpawntype.getId());
             }
         }
     }

src/main/java/electrosphere/engine/assetmanager/AssetManager.java

@@ -76,7 +76,7 @@ public class AssetManager {
 
     //assets queued to be loaded
     ReentrantLock queuedAssetLock = new ReentrantLock();
-    List<QueuedAsset> queuedAssets = new LinkedList<QueuedAsset>();
+    List<QueuedAsset<?>> queuedAssets = new LinkedList<QueuedAsset<?>>();
     
     
     
@@ -160,8 +160,13 @@ public class AssetManager {
         //queued assets
         LoggerInterface.loggerEngine.DEBUG_LOOP("AssetManager - Load queued assets");
         queuedAssetLock.lock();
-        for(QueuedAsset queuedAsset : queuedAssets){
+        for(QueuedAsset<?> queuedAsset : queuedAssets){
             queuedAsset.load();
+            if(queuedAsset.get() instanceof Model){
+                this.modelsLoadedIntoMemory.put(queuedAsset.getPromisedPath(),(Model)queuedAsset.get());
+            } else if(queuedAsset.get() instanceof Model){
+                this.texturesLoadedIntoMemory.put(queuedAsset.getPromisedPath(),(Texture)queuedAsset.get());
+            }
         }
         queuedAssets.clear();
         queuedAssetLock.unlock();
@@ -606,10 +611,18 @@ public class AssetManager {
      * Queues an asset to be loaded on the main thread
      * @param asset the asset
      */
-    public void queuedAsset(QueuedAsset asset){
+    public String queuedAsset(QueuedAsset<?> asset){
         queuedAssetLock.lock();
         this.queuedAssets.add(asset);
+
+        //promise a specific string for this asset
+        UUID newUUID = UUID.randomUUID();
+        String promisedPath = newUUID.toString();
+        asset.setPromisedPath(promisedPath);
+
         queuedAssetLock.unlock();
+
+        return promisedPath;
     }
     
     

src/main/java/electrosphere/engine/assetmanager/queue/QueuedAsset.java

@@ -3,7 +3,7 @@ package electrosphere.engine.assetmanager.queue;
 /**
  * An asset that has its data ready to be buffered to gpu
  */
-public interface QueuedAsset {
+public interface QueuedAsset<T> {
     
     /**
      * Loads the asset
@@ -16,4 +16,22 @@ public interface QueuedAsset {
      */
     public boolean hasLoaded();
 
+    /**
+     * Gets the asset
+     * @return The asset
+     */
+    public T get();
+
+    /**
+     * Gets the path the asset manager promises this asset will be stored at
+     * @return The promised path
+     */
+    public String getPromisedPath();
+
+    /**
+     * Sets the path the asset manager promises this asset will be stored at
+     * @param promisedPath The path
+     */
+    public void setPromisedPath(String promisedPath);
+
 }

src/main/java/electrosphere/engine/assetmanager/queue/QueuedModel.java

@@ -0,0 +1,80 @@
+package electrosphere.engine.assetmanager.queue;
+
+import java.util.concurrent.Callable;
+
+import electrosphere.logger.LoggerInterface;
+import electrosphere.renderer.model.Model;
+
+/**
+ * A model that is queued to be loaded
+ */
+public class QueuedModel implements QueuedAsset<Model> {
+
+    //true if loaded
+    boolean hasLoaded = false;
+
+    /**
+     * The model that will be loaded
+     */
+    Model model;
+
+    /**
+     * The runnable to invoke to actually load the model
+     */
+    Callable<Model> loadFunc;
+
+    /**
+     * The path promised
+     */
+    String promisedPath;
+
+
+    /**
+     * Creates the queued texture object
+     * @param image the image to load to gpu
+     */
+    public QueuedModel(Callable<Model> loadFunc){
+        this.loadFunc = loadFunc;
+    }
+
+    @Override
+    public void load() {
+        if(loadFunc != null){
+            try {
+                this.model = loadFunc.call();
+            } catch (Exception e) {
+                LoggerInterface.loggerEngine.ERROR(e);
+            }
+        }
+        hasLoaded = true;
+    }
+
+    @Override
+    public boolean hasLoaded() {
+        return hasLoaded;
+    }
+
+    @Override
+    public String getPromisedPath(){
+        return promisedPath;
+    }
+
+    /**
+     * Gets the model from this queued item
+     * @return The model
+     */
+    public Model getModel(){
+        return model;
+    }
+
+    @Override
+    public void setPromisedPath(String promisedPath) {
+        this.promisedPath = promisedPath;
+    }
+    
+    @Override
+    public Model get(){
+        return model;
+    }
+
+}

src/main/java/electrosphere/engine/assetmanager/queue/QueuedTexture.java

@@ -9,7 +9,7 @@ import electrosphere.renderer.texture.Texture;
 /**
  * A texture queued to be sent to the gpu
  */
-public class QueuedTexture implements QueuedAsset {
+public class QueuedTexture implements QueuedAsset<Texture> {
 
     //true if loaded
     boolean hasLoaded = false;
@@ -35,6 +35,11 @@ public class QueuedTexture implements QueuedAsset {
      */
     int height = -1;
 
+    /**
+     * The path the asset manager promises this texture will be stored at
+     */
+    String promisedPath;
+
 
     /**
      * Creates the queued texture object
@@ -104,6 +109,19 @@ public class QueuedTexture implements QueuedAsset {
         return height;
     }
     
-    
+    @Override
+    public void setPromisedPath(String promisedPath) {
+        this.promisedPath = promisedPath;
+    }
+
+    @Override
+    public String getPromisedPath(){
+        return this.promisedPath;
+    }
+
+    @Override
+    public Texture get(){
+        return texture;
+    }
 
 }

src/main/java/electrosphere/engine/loadingthreads/ClientLoading.java

@@ -5,6 +5,7 @@ import java.util.concurrent.TimeUnit;
 
 import org.joml.Vector3f;
 
+import electrosphere.client.block.BlockChunkData;
 import electrosphere.client.entity.camera.CameraEntityUtils;
 import electrosphere.client.entity.crosshair.Crosshair;
 import electrosphere.client.fluid.cells.FluidCellManager;
@@ -18,6 +19,7 @@ import electrosphere.client.ui.menu.mainmenu.MenuCharacterCreation;
 import electrosphere.controls.ControlHandler;
 import electrosphere.engine.Globals;
 import electrosphere.engine.assetmanager.AssetDataStrings;
+import electrosphere.engine.assetmanager.queue.QueuedModel;
 import electrosphere.engine.signal.Signal.SignalType;
 import electrosphere.engine.threads.LabeledThread.ThreadLabel;
 import electrosphere.entity.DrawableUtils;
@@ -29,6 +31,8 @@ import electrosphere.net.NetUtils;
 import electrosphere.net.client.ClientNetworking;
 import electrosphere.renderer.actor.Actor;
 import electrosphere.renderer.actor.ActorTextureMask;
+import electrosphere.renderer.meshgen.BlockMeshgen;
+import electrosphere.renderer.meshgen.BlockMeshgen.BlockMeshData;
 
 public class ClientLoading {
     
@@ -272,6 +276,23 @@ public class ClientLoading {
         cursorActor.addTextureMask(new ActorTextureMask("sphere", Arrays.asList(new String[]{"Textures/transparent_red.png"})));
         DrawableUtils.makeEntityTransparent(Globals.playerCursor);
         EntityUtils.getScale(Globals.playerCursor).set(0.2f);
+
+        //block test
+        // Entity blockEntity = EntityCreationUtils.createClientSpatialEntity();
+        // BlockChunkData blockChunkData = BlockChunkData.allocate();
+        // blockChunkData.setType(0, 0, 0, 1);
+        // blockChunkData.setType(1, 0, 0, 1);
+        // blockChunkData.setType(0, 1, 0, 1);
+        // blockChunkData.setType(1, 1, 0, 1);
+        // blockChunkData.setType(0, 0, 1, 1);
+        // blockChunkData.setType(1, 0, 1, 1);
+        // blockChunkData.setType(0, 1, 1, 1);
+        // blockChunkData.setType(1, 1, 1, 1);
+        // BlockMeshData meshData = BlockMeshgen.rasterize(blockChunkData);
+        // String modelPath = Globals.assetManager.queuedAsset(new QueuedModel(() -> {
+        //     return BlockMeshgen.generateBlockModel(meshData);
+        // }));
+        // EntityCreationUtils.makeEntityDrawablePreexistingModel(blockEntity, modelPath);
     }
 
     static final int MAX_DRAW_CELL_WAIT = 1000;

src/main/java/electrosphere/renderer/meshgen/BlockMeshgen.java

@@ -0,0 +1,518 @@
+package electrosphere.renderer.meshgen;
+
+import java.nio.FloatBuffer;
+import java.nio.IntBuffer;
+import java.util.Collections;
+import java.util.LinkedList;
+import java.util.List;
+
+import org.joml.Vector2f;
+import org.joml.Vector3f;
+import org.lwjgl.BufferUtils;
+import org.lwjgl.opengl.GL40;
+
+import electrosphere.client.block.BlockChunkData;
+import electrosphere.engine.Globals;
+import electrosphere.renderer.model.Mesh;
+import electrosphere.renderer.model.Model;
+
+/**
+ * Generates a model for a block
+ */
+public class BlockMeshgen {
+
+    /**
+     * The indices to draw faces on cubes
+     */
+    static final int[] CUBE_INDICES = new int[]{
+        //Top
+        2, 6, 7,
+        2, 3, 7,
+
+        //Bottom
+        0, 4, 5,
+        0, 1, 5,
+
+        //Left
+        0, 2, 6,
+        0, 4, 6,
+
+        //Right
+        1, 3, 7,
+        1, 5, 7,
+
+        //Front
+        0, 2, 3,
+        0, 1, 3,
+
+        //Back
+        4, 6, 7,
+        4, 5, 7
+    };
+
+
+    /**
+     * Calculates the quad meshes for the provided chunk data
+     * @param quadMeshes The quad mesh list to fill
+     * @param chunkData The chunk data
+     */
+    protected static void fillQuadMeshes(List<QuadMesh> quadMeshes, BlockChunkData chunkData){
+        for(int z = 0; z < BlockChunkData.CHUNK_DATA_WIDTH; z++){
+            for(int x = 0; x < BlockChunkData.CHUNK_DATA_WIDTH; x++){
+                QuadMesh currentQuad = null;
+                for(int y = 0; y < BlockChunkData.CHUNK_DATA_WIDTH; y++){
+                    if(chunkData.isEmpty(x, y, z)){
+                        if(currentQuad == null){
+                            continue;
+                        } else {
+                            currentQuad.h = y - currentQuad.y;
+                            //check if should merge with previous quad
+                            for(QuadMesh prevMesh : quadMeshes){
+                                if(prevMesh.x + prevMesh.w == currentQuad.x && prevMesh.y == currentQuad.y && prevMesh.h == currentQuad.h){
+                                    prevMesh.w = prevMesh.w + 1;
+                                    currentQuad = null;
+                                    break;
+                                }
+                            }
+                            if(currentQuad != null){
+                                quadMeshes.add(currentQuad);
+                            }
+                            currentQuad = null;
+                        }
+                    } else {
+                        if(currentQuad == null){
+                            currentQuad = new QuadMesh();
+                            currentQuad.x = x;
+                            currentQuad.y = y;
+                            currentQuad.z = z;
+                            currentQuad.w = 1;
+                            currentQuad.h = 1;
+                        } else {
+                            continue;
+                        }
+                    }
+                }
+            }
+        }
+    }
+
+    /**
+     * Meshes a box
+     * @param verts The list of verts to store into
+     * @param normals The list of normals to store into
+     * @param uvs The list of uvs to store into
+     * @param indices The list of indices to store into
+     * @param quad The quad
+     * @param depth The depth of the box
+     */
+    protected static void meshifyBox(List<Vector3f> verts, List<Vector3f> normals, List<Vector2f> uvs, List<Integer> indices, QuadMesh quad, int depth){
+        //
+        //face 1
+        //
+
+        //verts
+        verts.add(new Vector3f(quad.x,            quad.y,            quad.z).mul(BlockChunkData.BLOCK_SIZE_MULTIPLIER));
+        verts.add(new Vector3f(quad.x + quad.w,  quad.y,            quad.z).mul(BlockChunkData.BLOCK_SIZE_MULTIPLIER));
+        verts.add(new Vector3f(quad.x,            quad.y + quad.h,  quad.z).mul(BlockChunkData.BLOCK_SIZE_MULTIPLIER));
+        verts.add(new Vector3f(quad.x + quad.w,  quad.y + quad.h,  quad.z).mul(BlockChunkData.BLOCK_SIZE_MULTIPLIER));
+        //indices
+        indices.add(0);
+        indices.add(2);
+        indices.add(3);
+        indices.add(0);
+        indices.add(1);
+        indices.add(3);
+        //normals
+        normals.add(new Vector3f(0,0,-1));
+        normals.add(new Vector3f(0,0,-1));
+        normals.add(new Vector3f(0,0,-1));
+        normals.add(new Vector3f(0,0,-1));
+        //uvs
+        uvs.add(new Vector2f(     0,      0));
+        uvs.add(new Vector2f(quad.w,      0));
+        uvs.add(new Vector2f(     0, quad.h));
+        uvs.add(new Vector2f(quad.w, quad.h));
+
+        //
+        //face 2
+        //
+
+        //verts
+        verts.add(new Vector3f(quad.x,  quad.y,            quad.z        ).mul(BlockChunkData.BLOCK_SIZE_MULTIPLIER));
+        verts.add(new Vector3f(quad.x,  quad.y,            quad.z + depth).mul(BlockChunkData.BLOCK_SIZE_MULTIPLIER));
+        verts.add(new Vector3f(quad.x,  quad.y + quad.h,   quad.z        ).mul(BlockChunkData.BLOCK_SIZE_MULTIPLIER));
+        verts.add(new Vector3f(quad.x,  quad.y + quad.h,   quad.z + depth).mul(BlockChunkData.BLOCK_SIZE_MULTIPLIER));
+        //indices
+        indices.add(4);
+        indices.add(6);
+        indices.add(7);
+        indices.add(4);
+        indices.add(5);
+        indices.add(7);
+        //normals
+        normals.add(new Vector3f(-1,0,0));
+        normals.add(new Vector3f(-1,0,0));
+        normals.add(new Vector3f(-1,0,0));
+        normals.add(new Vector3f(-1,0,0));
+        //uvs
+        uvs.add(new Vector2f(    0,      0));
+        uvs.add(new Vector2f(depth,      0));
+        uvs.add(new Vector2f(    0, quad.h));
+        uvs.add(new Vector2f(depth, quad.h));
+
+        //
+        //face 3
+        //
+
+        //verts
+        verts.add(new Vector3f(quad.x,           quad.y,   quad.z        ).mul(BlockChunkData.BLOCK_SIZE_MULTIPLIER));
+        verts.add(new Vector3f(quad.x,           quad.y,   quad.z + depth).mul(BlockChunkData.BLOCK_SIZE_MULTIPLIER));
+        verts.add(new Vector3f(quad.x + quad.w,  quad.y,   quad.z        ).mul(BlockChunkData.BLOCK_SIZE_MULTIPLIER));
+        verts.add(new Vector3f(quad.x + quad.w,  quad.y,   quad.z + depth).mul(BlockChunkData.BLOCK_SIZE_MULTIPLIER));
+        //indices
+        indices.add( 8);
+        indices.add(10);
+        indices.add(11);
+        indices.add( 8);
+        indices.add( 9);
+        indices.add(11);
+        //normals
+        normals.add(new Vector3f(0,-1,0));
+        normals.add(new Vector3f(0,-1,0));
+        normals.add(new Vector3f(0,-1,0));
+        normals.add(new Vector3f(0,-1,0));
+        //uvs
+        uvs.add(new Vector2f(    0,      0));
+        uvs.add(new Vector2f(depth,      0));
+        uvs.add(new Vector2f(    0, quad.w));
+        uvs.add(new Vector2f(depth, quad.w));
+
+        //
+        //face 4
+        //
+
+        //verts
+        verts.add(new Vector3f(quad.x,            quad.y,            quad.z + depth).mul(BlockChunkData.BLOCK_SIZE_MULTIPLIER));
+        verts.add(new Vector3f(quad.x + quad.w,   quad.y,            quad.z + depth).mul(BlockChunkData.BLOCK_SIZE_MULTIPLIER));
+        verts.add(new Vector3f(quad.x,            quad.y + quad.h,   quad.z + depth).mul(BlockChunkData.BLOCK_SIZE_MULTIPLIER));
+        verts.add(new Vector3f(quad.x + quad.w,   quad.y + quad.h,   quad.z + depth).mul(BlockChunkData.BLOCK_SIZE_MULTIPLIER));
+        //indices
+        indices.add(12);
+        indices.add(14);
+        indices.add(15);
+        indices.add(12);
+        indices.add(13);
+        indices.add(15);
+        //normals
+        normals.add(new Vector3f(0,0,1));
+        normals.add(new Vector3f(0,0,1));
+        normals.add(new Vector3f(0,0,1));
+        normals.add(new Vector3f(0,0,1));
+        //uvs
+        uvs.add(new Vector2f(     0,      0));
+        uvs.add(new Vector2f(quad.w,      0));
+        uvs.add(new Vector2f(     0, quad.h));
+        uvs.add(new Vector2f(quad.w, quad.h));
+
+
+        //
+        //face 5
+        //
+
+        //verts
+        verts.add(new Vector3f(quad.x + quad.w,  quad.y,            quad.z        ).mul(BlockChunkData.BLOCK_SIZE_MULTIPLIER));
+        verts.add(new Vector3f(quad.x + quad.w,  quad.y,            quad.z + depth).mul(BlockChunkData.BLOCK_SIZE_MULTIPLIER));
+        verts.add(new Vector3f(quad.x + quad.w,  quad.y + quad.h,   quad.z        ).mul(BlockChunkData.BLOCK_SIZE_MULTIPLIER));
+        verts.add(new Vector3f(quad.x + quad.w,  quad.y + quad.h,   quad.z + depth).mul(BlockChunkData.BLOCK_SIZE_MULTIPLIER));
+        //indices
+        indices.add(16);
+        indices.add(18);
+        indices.add(19);
+        indices.add(16);
+        indices.add(17);
+        indices.add(19);
+        //normals
+        normals.add(new Vector3f(1,0,0));
+        normals.add(new Vector3f(1,0,0));
+        normals.add(new Vector3f(1,0,0));
+        normals.add(new Vector3f(1,0,0));
+        //uvs
+        uvs.add(new Vector2f(    0,      0));
+        uvs.add(new Vector2f(depth,      0));
+        uvs.add(new Vector2f(    0, quad.h));
+        uvs.add(new Vector2f(depth, quad.h));
+
+
+        //
+        //face 6
+        //
+
+        //verts
+        verts.add(new Vector3f(quad.x,           quad.y + quad.h,   quad.z        ).mul(BlockChunkData.BLOCK_SIZE_MULTIPLIER));
+        verts.add(new Vector3f(quad.x,           quad.y + quad.h,   quad.z + depth).mul(BlockChunkData.BLOCK_SIZE_MULTIPLIER));
+        verts.add(new Vector3f(quad.x + quad.w,  quad.y + quad.h,   quad.z        ).mul(BlockChunkData.BLOCK_SIZE_MULTIPLIER));
+        verts.add(new Vector3f(quad.x + quad.w,  quad.y + quad.h,   quad.z + depth).mul(BlockChunkData.BLOCK_SIZE_MULTIPLIER));
+        //indices
+        indices.add(20);
+        indices.add(22);
+        indices.add(23);
+        indices.add(20);
+        indices.add(21);
+        indices.add(23);
+        //normals
+        normals.add(new Vector3f(0,1,0));
+        normals.add(new Vector3f(0,1,0));
+        normals.add(new Vector3f(0,1,0));
+        normals.add(new Vector3f(0,1,0));
+        //uvs
+        uvs.add(new Vector2f(    0,      0));
+        uvs.add(new Vector2f(depth,      0));
+        uvs.add(new Vector2f(    0, quad.w));
+        uvs.add(new Vector2f(depth, quad.w));
+    }
+
+
+
+    /**
+     * Rasterizes a block chunk data into mesh data
+     * @param chunkData The block chunk data
+     * @return The mesh data
+     */
+    public static BlockMeshData rasterize(BlockChunkData chunkData){
+        BlockMeshData rVal = new BlockMeshData();
+
+        //calculate quad meshes
+        List<QuadMesh> quadMeshes = new LinkedList<QuadMesh>();
+        BlockMeshgen.fillQuadMeshes(quadMeshes, chunkData);
+
+        //allocate lists to store mesh data in
+        List<Vector3f> verts = new LinkedList<Vector3f>();
+        List<Vector3f> normals = new LinkedList<Vector3f>();
+        List<Vector2f> uvs = new LinkedList<Vector2f>();
+        List<Integer> indices = new LinkedList<Integer>();
+
+        //sort
+        Collections.sort(quadMeshes);
+
+        //generate volumes
+        QuadMesh quad1 = null;
+        QuadMesh quad2 = null;
+        int zEnd = 0;
+        for(int i = 0; i < quadMeshes.size(); i++){
+            quad1 = quadMeshes.get(i);
+            zEnd = 1;
+            for(int j = i + 1; j < quadMeshes.size(); j++){
+                quad2 = quadMeshes.get(j);
+                if(quad1.x == quad2.x && quad1.y == quad2.y && quad1.w == quad2.w && quad1.h == quad2.h && quad1.z + zEnd == quad2.z){
+                    zEnd++;
+                } else {
+                    BlockMeshgen.meshifyBox(verts,normals,uvs,indices,quad1,zEnd);
+                    quad1 = quad2;
+                    zEnd = 1;
+                    break;
+                }
+            }
+            i = i + zEnd;
+        }
+        if(quad1 != null){
+            BlockMeshgen.meshifyBox(verts,normals,uvs,indices,quad1,zEnd);
+        }
+        
+        //
+        //store in flat arrays
+        //
+
+        //verts
+        rVal.vertices = new float[verts.size() * 3];
+        for(int i = 0; i < verts.size(); i++){
+            Vector3f currentVert = verts.get(i);
+            rVal.vertices[3 * i + 0] = currentVert.x;
+            rVal.vertices[3 * i + 1] = currentVert.y;
+            rVal.vertices[3 * i + 2] = currentVert.z;
+        }
+        rVal.vertBuffer = BufferUtils.createFloatBuffer(rVal.vertices.length);
+        rVal.vertBuffer.put(rVal.vertices);
+
+        //faces
+        rVal.faceElements = new int[indices.size()];
+        for(int i = 0; i < indices.size(); i++){
+            rVal.faceElements[i] = indices.get(i);
+        }
+        rVal.faceBuffer = BufferUtils.createIntBuffer(rVal.faceElements.length);
+        rVal.faceBuffer.put(rVal.faceElements);
+
+        //normals
+        rVal.normals = new float[normals.size() * 3];
+        for(int i = 0; i < normals.size(); i++){
+            Vector3f currentNormal = normals.get(i);
+            rVal.normals[3 * i + 0] = currentNormal.x;
+            rVal.normals[3 * i + 1] = currentNormal.y;
+            rVal.normals[3 * i + 2] = currentNormal.z;
+        }
+        rVal.normalBuffer = BufferUtils.createFloatBuffer(rVal.normals.length);
+        rVal.normalBuffer.put(rVal.normals);
+
+        //uvs
+        rVal.uvs = new float[uvs.size() * 2];
+        for(int i = 0; i < uvs.size(); i++){
+            Vector2f currentUV = uvs.get(i);
+            rVal.uvs[2 * i + 0] = currentUV.x;
+            rVal.uvs[2 * i + 1] = currentUV.y;
+        }
+        rVal.uvBuffer = BufferUtils.createFloatBuffer(rVal.uvs.length);
+        rVal.uvBuffer.put(rVal.uvs);
+
+        return rVal;
+    }
+
+    /**
+     * Generates a mesh based on a block mesh data object
+     * @param data The block mesh data object
+     * @return The mesh
+     */
+    protected static Mesh generateBlockMesh(BlockMeshData meshData){
+        Mesh mesh = new Mesh("blockChunk");
+
+
+        //
+        //  VAO
+        //
+        mesh.generateVAO();
+        
+        
+        
+        
+        FloatBuffer vertexArrayBufferData = meshData.vertBuffer;
+        FloatBuffer normalArrayBufferData = meshData.normalBuffer;
+        FloatBuffer textureArrayBufferData = meshData.uvBuffer;
+        IntBuffer elementArrayBufferData = meshData.faceBuffer;
+
+        
+
+        
+        //
+        //  Buffer data to GPU
+        //
+        int elementCount = meshData.faceElements.length;
+        try {
+            //actually buffer vertices
+            if(vertexArrayBufferData.position() > 0){
+                vertexArrayBufferData.flip();
+                mesh.bufferVertices(vertexArrayBufferData, 3);
+            }
+            //actually buffer normals
+            if(normalArrayBufferData != null && normalArrayBufferData.position() > 0){
+                normalArrayBufferData.flip();
+                mesh.bufferNormals(normalArrayBufferData, 3);
+            }
+            //actually buffer UVs
+            if(textureArrayBufferData != null && textureArrayBufferData.position() > 0){
+                textureArrayBufferData.flip();
+                mesh.bufferTextureCoords(textureArrayBufferData, 2);
+            }
+            //buffer element indices
+            if(elementArrayBufferData.position() > 0){
+                elementArrayBufferData.flip();
+                mesh.bufferFaces(elementArrayBufferData, elementCount);
+            }
+        } catch (NullPointerException ex){
+            ex.printStackTrace();
+        }
+
+        //bounding sphere logic
+        int distance = BlockChunkData.CHUNK_DATA_WIDTH / 2;
+        mesh.updateBoundingSphere(
+            distance,
+            distance,
+            distance,
+            (float)Math.sqrt(
+                distance * distance +
+                distance * distance +
+                distance * distance
+            ));
+        
+        
+        
+        GL40.glBindVertexArray(0);
+        return mesh;
+    }
+
+    /**
+     * Generates the model for the block mesh
+     * @param chunkData The mesh data
+     * @return The model object
+     */
+    public static Model generateBlockModel(BlockMeshData meshData){
+        Model rVal = new Model();
+        Mesh m = BlockMeshgen.generateBlockMesh(meshData);
+        
+        //construct the material for the chunk
+        // Material groundMat = new Material();
+        // groundMat.setTexturePointer(Globals.defaultMeshShader);
+        // groundMat.setNormalTexturePointer(atlas.getNormal().getTexturePointer());
+        // m.setMaterial(groundMat);
+
+        //shader logic
+        m.setShader(Globals.defaultMeshShader);
+        m.setParent(rVal);
+        
+        rVal.getMeshes().add(m);
+        rVal.setBoundingSphere(m.getBoundingSphere());
+
+        return rVal;
+    }
+    
+
+    /**
+     * The final rasterization data that is emitted
+     */
+    public static class BlockMeshData {
+        //the verts
+        float[] vertices;
+        //normals
+        float[] normals;
+        //faces
+        int[] faceElements;
+        //UVs
+        float[] uvs;
+
+        FloatBuffer vertBuffer;
+        FloatBuffer normalBuffer;
+        IntBuffer faceBuffer;
+        FloatBuffer uvBuffer;
+    }
+    
+    /**
+     * Intermediary structure used during rasterization
+     */
+    public static class QuadMesh implements Comparable<QuadMesh> {
+        int x;
+        int y;
+        int z;
+        int w;
+        int h;
+        public QuadMesh(){}
+        public QuadMesh(int x, int y, int z, int w, int h){
+            this.x = x;
+            this.y = y;
+            this.z = z;
+            this.w = w;
+            this.h = h;
+        }
+
+        @Override
+        public int compareTo(QuadMesh other) {
+            if(this.y != other.y){
+                return this.y - other.y;
+            }
+            if(this.x != other.x){
+                return this.x - other.x;
+            }
+            if(this.w != other.w){
+                return this.w - other.w;
+            }
+            return this.h - other.h;
+        }
+    }
+    
+}