more memory work

docs/src/progress/renderertodo.md

@@ -1389,6 +1389,8 @@ Work on optimization
 Reorganizing terrain data
 ServerGroundMovementTree concurrent modify fix
 TransvoxelModelGeneration allocation reduction
+More allocation reduction
+Vector pooling
 
 
 

src/main/java/electrosphere/client/terrain/data/TerrainChunkData.java

@@ -2,7 +2,10 @@ package electrosphere.client.terrain.data;
 
 import java.nio.FloatBuffer;
 import java.nio.IntBuffer;
+import java.util.LinkedList;
+import java.util.List;
 
+import org.joml.Vector3f;
 import org.lwjgl.BufferUtils;
 
 import electrosphere.entity.state.collidable.TriGeomData;
@@ -42,6 +45,26 @@ public class TerrainChunkData implements TriGeomData {
      */
     float[] textureRatioVectors;
 
+    /**
+     * The list of vertices as vectors
+     */
+    List<Vector3f> vertList;
+
+    /**
+     * The list of normals as vectors
+     */
+    List<Vector3f> normalList;
+
+    /**
+     * The list of number of triangles that share a vert
+     */
+    List<Integer> triangleSharingVertList;
+
+    /**
+     * List of texture sampler values
+     */
+    List<Vector3f> samplerTriangles;
+
     /**
      * The various buffers of data to send to the gpu
      */
@@ -77,6 +100,16 @@ public class TerrainChunkData implements TriGeomData {
         this.lod = lod;
     }
 
+    /**
+     * Constructor used by the pool
+     */
+    protected TerrainChunkData(){
+        this.vertList = new LinkedList<Vector3f>();
+        this.normalList = new LinkedList<Vector3f>();
+        this.triangleSharingVertList = new LinkedList<Integer>();
+        this.samplerTriangles = new LinkedList<Vector3f>();
+    }
+
     /**
      * Allocates and fills the buffers to send to the gpu
      */
@@ -198,5 +231,38 @@ public class TerrainChunkData implements TriGeomData {
         return ratioBuffer;
     }
 
+    /**
+     * Gets the vertex list
+     * @return The vertex list
+     */
+    public List<Vector3f> getVertList() {
+        return vertList;
+    }
+
+    /**
+     * Gets the normal list
+     * @return The normal list
+     */
+    public List<Vector3f> getNormalList() {
+        return normalList;
+    }
+
+    /**
+     * Gets the triangle sharing vert list
+     * @return The triangle sharing vert list
+     */
+    public List<Integer> getTriangleSharingVertList() {
+        return triangleSharingVertList;
+    }
+
+    /**
+     * Gets the sampler triangles list
+     * @return The sampler triangles list
+     */
+    public List<Vector3f> getSamplerTriangles() {
+        return samplerTriangles;
+    }
+    
+    
 
 }

src/main/java/electrosphere/client/terrain/data/TerrainChunkDataPool.java

@@ -0,0 +1,48 @@
+package electrosphere.client.terrain.data;
+
+import java.util.LinkedList;
+import java.util.List;
+import java.util.concurrent.locks.ReentrantLock;
+
+/**
+ * Pools allocated terrain chunk data objects
+ */
+public class TerrainChunkDataPool {
+
+    /**
+     * Structure to store not-in-use objects
+     */
+    static List<TerrainChunkData> pool = new LinkedList<TerrainChunkData>();
+
+    /**
+     * Lock for thread-safeing operations
+     */
+    static ReentrantLock lock = new ReentrantLock();
+
+    /**
+     * Gets a terrain chunk object from the pool. Allocates if no free one is available.
+     * @return A terrain chunk object of the requested type
+     */
+    public static TerrainChunkData get(){
+        TerrainChunkData rVal = null;
+        lock.lock();
+        if(pool.size() > 0){
+            rVal = pool.remove(0);
+        } else {
+            rVal = new TerrainChunkData();
+        }
+        lock.unlock();
+        return rVal;
+    }
+
+    /**
+     * Releases a terrain chunk data object back into the pool
+     * @param data The object to release
+     */
+    public static void release(TerrainChunkData data){
+        lock.lock();
+        TerrainChunkDataPool.pool.add(data);
+        lock.unlock();
+    }
+    
+}

src/main/java/electrosphere/mem/VectorPool.java

@@ -0,0 +1,89 @@
+package electrosphere.mem;
+
+import java.util.LinkedList;
+import java.util.List;
+import java.util.concurrent.locks.ReentrantLock;
+
+import org.joml.Vector3d;
+import org.joml.Vector3f;
+
+/**
+ * A pool for temporary vectors
+ */
+public class VectorPool {
+    
+    /**
+     * Structure to store not-in-use objects
+     */
+    static List<Vector3f> vec3fPool = new LinkedList<Vector3f>();
+
+    /**
+     * Structure to store not-in-use objects
+     */
+    static List<Vector3d> vec3dPool = new LinkedList<Vector3d>();
+
+    /**
+     * Lock for thread-safeing operations
+     */
+    static ReentrantLock lock = new ReentrantLock();
+
+    /**
+     * Gets a Vector3f from the pool. Allocates if no free one is available.
+     * @param type The type of the message
+     * @return A Vector3f
+     */
+    public static Vector3f getF(){
+        Vector3f rVal = null;
+        lock.lock();
+        if(vec3fPool.size() > 0){
+            rVal = vec3fPool.remove(0);
+        } else {
+            rVal = new Vector3f();
+        }
+        lock.unlock();
+        return rVal;
+    }
+
+    /**
+     * Releases a Vector3f back into the pool
+     * @param data The object to release
+     */
+    public static void release(Vector3f data){
+        data.x = 0;
+        data.y = 0;
+        data.z = 0;
+        lock.lock();
+        VectorPool.vec3fPool.add(data);
+        lock.unlock();
+    }
+
+    /**
+     * Gets a Vector3d from the pool. Allocates if no free one is available.
+     * @return A Vector3d
+     */
+    public static Vector3d getD(){
+        Vector3d rVal = null;
+        lock.lock();
+        if(vec3dPool.size() > 0){
+            rVal = vec3dPool.remove(0);
+        } else {
+            rVal = new Vector3d();
+        }
+        lock.unlock();
+        return rVal;
+    }
+
+    /**
+     * Releases a Vector3d back into the pool
+     * @param data The object to release
+     */
+    public static void release(Vector3d data){
+        data.x = 0;
+        data.y = 0;
+        data.z = 0;
+        lock.lock();
+        VectorPool.vec3dPool.add(data);
+        lock.unlock();
+    }
+
+}

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

@@ -14,6 +14,7 @@ import electrosphere.client.terrain.cells.VoxelTextureAtlas;
 import electrosphere.client.terrain.data.TerrainChunkData;
 import electrosphere.engine.Globals;
 import electrosphere.logger.LoggerInterface;
+import electrosphere.mem.VectorPool;
 import electrosphere.renderer.model.Material;
 import electrosphere.renderer.model.Mesh;
 import electrosphere.renderer.model.Model;
@@ -236,22 +237,27 @@ public class TransvoxelModelGeneration {
         double isolevel,
         List<Triangle> triangles,
         List<Vector3f> samplerIndices,
-        Map<Vector3f,Integer> vertMap,
+        Map<String,Integer> vertMap,
         List<Vector3f> verts,
         List<Vector3f> normals,
         List<Integer> trianglesSharingVert,
-        boolean invertNormals
+        boolean invertNormals,
+        Vector3f[] vertList,
+        int[] samplerIndex,
+        boolean[] skip,
+        StringBuilder builder
     ){
         int i;
         int ntriang;
         int cubeIndex = 0;
-        Vector3f[] vertList = new Vector3f[12];
-        int[] samplerIndex = new int[12];
 
         //essentially, because the iso level is 0, we can end up generating weird midpoints between 0 and negative values
         //in order to not actually generate triangles for these edge cases, the skip table is populated if the current edge is between 0 and a negative value
         //when storing triangles, all skip edges trigger the loop to skip to the next triangle set
-        boolean[] skip = new boolean[12];
+        for(int j = 0; j < 12; j++){
+            skip[j] = false;
+            vertList[j].set(0,0,0);
+        }
 
         //get lookup key (index) for edge table
         //edge table tells us which vertices are inside of the surface
@@ -273,51 +279,51 @@ public class TransvoxelModelGeneration {
         //for each edge this code calculates where along the edge to place the vertex
         //this should dramatically smooth the surface
         if((TerrainChunkModelGeneration.edgeTable[cubeIndex] & 1) > 0){
-            vertList[0] = TransvoxelModelGeneration.VertexInterp(isolevel,grid.points[0],grid.points[1],grid.val[0],grid.val[1]);
+            TransvoxelModelGeneration.VertexInterp(isolevel,grid.points[0],grid.points[1],grid.val[0],grid.val[1],vertList[0]);
             if(grid.val[0] <= 0 && grid.val[1] <= 0){ skip[0] = true; }
         }
         if((TerrainChunkModelGeneration.edgeTable[cubeIndex] & 2) > 0){
-            vertList[1] = TransvoxelModelGeneration.VertexInterp(isolevel,grid.points[1],grid.points[2],grid.val[1],grid.val[2]);
+            TransvoxelModelGeneration.VertexInterp(isolevel,grid.points[1],grid.points[2],grid.val[1],grid.val[2],vertList[1]);
             if(grid.val[1] <= 0 && grid.val[2] <= 0){ skip[1] = true; }
         }
         if((TerrainChunkModelGeneration.edgeTable[cubeIndex] & 4) > 0){
-            vertList[2] = TransvoxelModelGeneration.VertexInterp(isolevel,grid.points[2],grid.points[3],grid.val[2],grid.val[3]);
+            TransvoxelModelGeneration.VertexInterp(isolevel,grid.points[2],grid.points[3],grid.val[2],grid.val[3],vertList[2]);
             if(grid.val[2] <= 0 && grid.val[3] <= 0){ skip[2] = true; }
         }
         if((TerrainChunkModelGeneration.edgeTable[cubeIndex] & 8) > 0){
-            vertList[3] = TransvoxelModelGeneration.VertexInterp(isolevel,grid.points[3],grid.points[0],grid.val[3],grid.val[0]);
+            TransvoxelModelGeneration.VertexInterp(isolevel,grid.points[3],grid.points[0],grid.val[3],grid.val[0],vertList[3]);
             if(grid.val[3] <= 0 && grid.val[0] <= 0){ skip[3] = true; }
         }
         if((TerrainChunkModelGeneration.edgeTable[cubeIndex] & 16) > 0){
-            vertList[4] = TransvoxelModelGeneration.VertexInterp(isolevel,grid.points[4],grid.points[5],grid.val[4],grid.val[5]);
+            TransvoxelModelGeneration.VertexInterp(isolevel,grid.points[4],grid.points[5],grid.val[4],grid.val[5],vertList[4]);
             if(grid.val[4] <= 0 && grid.val[5] <= 0){ skip[4] = true; }
         }
         if((TerrainChunkModelGeneration.edgeTable[cubeIndex] & 32) > 0){
-            vertList[5] = TransvoxelModelGeneration.VertexInterp(isolevel,grid.points[5],grid.points[6],grid.val[5],grid.val[6]);
+            TransvoxelModelGeneration.VertexInterp(isolevel,grid.points[5],grid.points[6],grid.val[5],grid.val[6],vertList[5]);
             if(grid.val[5] <= 0 && grid.val[6] <= 0){ skip[5] = true; }
         }
         if((TerrainChunkModelGeneration.edgeTable[cubeIndex] & 64) > 0){
-            vertList[6] = TransvoxelModelGeneration.VertexInterp(isolevel,grid.points[6],grid.points[7],grid.val[6],grid.val[7]);
+            TransvoxelModelGeneration.VertexInterp(isolevel,grid.points[6],grid.points[7],grid.val[6],grid.val[7],vertList[6]);
             if(grid.val[6] <= 0 && grid.val[7] <= 0){ skip[6] = true; }
         }
         if((TerrainChunkModelGeneration.edgeTable[cubeIndex] & 128) > 0){
-            vertList[7] = TransvoxelModelGeneration.VertexInterp(isolevel,grid.points[7],grid.points[4],grid.val[7],grid.val[4]);
+            TransvoxelModelGeneration.VertexInterp(isolevel,grid.points[7],grid.points[4],grid.val[7],grid.val[4],vertList[7]);
             if(grid.val[7] <= 0 && grid.val[4] <= 0){ skip[7] = true; }
         }
         if((TerrainChunkModelGeneration.edgeTable[cubeIndex] & 256) > 0){
-            vertList[8] = TransvoxelModelGeneration.VertexInterp(isolevel,grid.points[0],grid.points[4],grid.val[0],grid.val[4]);
+            TransvoxelModelGeneration.VertexInterp(isolevel,grid.points[0],grid.points[4],grid.val[0],grid.val[4],vertList[8]);
             if(grid.val[0] <= 0 && grid.val[4] <= 0){ skip[8] = true; }
         }
         if((TerrainChunkModelGeneration.edgeTable[cubeIndex] & 512) > 0){
-            vertList[9] = TransvoxelModelGeneration.VertexInterp(isolevel,grid.points[1],grid.points[5],grid.val[1],grid.val[5]);
+            TransvoxelModelGeneration.VertexInterp(isolevel,grid.points[1],grid.points[5],grid.val[1],grid.val[5],vertList[9]);
             if(grid.val[1] <= 0 && grid.val[5] <= 0){ skip[9] = true; }
         }
         if((TerrainChunkModelGeneration.edgeTable[cubeIndex] & 1024) > 0){
-            vertList[10] = TransvoxelModelGeneration.VertexInterp(isolevel,grid.points[2],grid.points[6],grid.val[2],grid.val[6]);
+            TransvoxelModelGeneration.VertexInterp(isolevel,grid.points[2],grid.points[6],grid.val[2],grid.val[6],vertList[10]);
             if(grid.val[2] <= 0 && grid.val[6] <= 0){ skip[10] = true; }
         }
         if((TerrainChunkModelGeneration.edgeTable[cubeIndex] & 2048) > 0){
-            vertList[11] = TransvoxelModelGeneration.VertexInterp(isolevel,grid.points[3],grid.points[7],grid.val[3],grid.val[7]);
+            TransvoxelModelGeneration.VertexInterp(isolevel,grid.points[3],grid.points[7],grid.val[3],grid.val[7],vertList[11]);
             if(grid.val[3] <= 0 && grid.val[7] <= 0){ skip[11] = true; }
         }
 
@@ -353,12 +359,12 @@ public class TransvoxelModelGeneration {
             Vector3f vert0 = vertList[TerrainChunkModelGeneration.triTable[cubeIndex][i+0]];
             Vector3f vert1 = vertList[TerrainChunkModelGeneration.triTable[cubeIndex][i+1]];
             Vector3f vert2 = vertList[TerrainChunkModelGeneration.triTable[cubeIndex][i+2]];
-            int index0 = TransvoxelModelGeneration.getVertIndex(vert0,vertMap,verts);
-            int index1 = TransvoxelModelGeneration.getVertIndex(vert1,vertMap,verts);
-            int index2 = TransvoxelModelGeneration.getVertIndex(vert2,vertMap,verts);
+            int index0 = TransvoxelModelGeneration.getVertIndex(vert0,vertMap,verts,builder);
+            int index1 = TransvoxelModelGeneration.getVertIndex(vert1,vertMap,verts,builder);
+            int index2 = TransvoxelModelGeneration.getVertIndex(vert2,vertMap,verts,builder);
             if(index0 == index1 || index1 == index2 || index0 == index2){
-                TransvoxelModelGeneration.VertexInterp(isolevel,grid.points[6],grid.points[7],grid.val[6],grid.val[7]);
-                TransvoxelModelGeneration.VertexInterp(isolevel,grid.points[2],grid.points[6],grid.val[2],grid.val[6]);
+                TransvoxelModelGeneration.VertexInterp(isolevel,grid.points[6],grid.points[7],grid.val[6],grid.val[7],new Vector3f());
+                TransvoxelModelGeneration.VertexInterp(isolevel,grid.points[2],grid.points[6],grid.val[2],grid.val[6],new Vector3f());
                 String message = "Identical indices!\n" +
                 "edge table: " + TerrainChunkModelGeneration.edgeTable[cubeIndex] + "\n" +
                 "cube index: " + cubeIndex + "\n" +
@@ -425,10 +431,10 @@ public class TransvoxelModelGeneration {
 
 
             //calculate normal for new triangle
-            Vector3f u = new Vector3f(verts.get(index1)).sub(verts.get(index0));
-            Vector3f v = new Vector3f(verts.get(index2)).sub(verts.get(index1));
+            Vector3f u = VectorPool.getF().set(verts.get(index1)).sub(verts.get(index0));
+            Vector3f v = VectorPool.getF().set(verts.get(index2)).sub(verts.get(index1));
             float dotVal = u.dot(v);
-            Vector3f n = new Vector3f();
+            Vector3f n;
             // if(dotVal > NORMAL_DOT_THRESHOLD || dotVal < -NORMAL_DOT_THRESHOLD){
             //     n.set(u);
             // } else {
@@ -449,6 +455,8 @@ public class TransvoxelModelGeneration {
                     dotVal
                 );
             }
+            VectorPool.release(u);
+            VectorPool.release(v);
 
 
 
@@ -461,8 +469,7 @@ public class TransvoxelModelGeneration {
             trianglesSharingVert.set(index0, trianglesSharingIndex0 + 1);
 
             Vector3f currentNormal = normals.get(index0);
-            currentNormal = TransvoxelModelGeneration.averageNormals(currentNormal,oldProportion,n,newProportion);
-            normals.get(index0).set(currentNormal);
+            TransvoxelModelGeneration.averageNormals(currentNormal,oldProportion,n,newProportion);
 
 
 
@@ -476,8 +483,7 @@ public class TransvoxelModelGeneration {
             trianglesSharingVert.set(index1, trianglesSharingIndex1 + 1);
 
             currentNormal = normals.get(index1);
-            currentNormal = TransvoxelModelGeneration.averageNormals(currentNormal,oldProportion,n,newProportion);
-            normals.get(index1).set(currentNormal);
+            TransvoxelModelGeneration.averageNormals(currentNormal,oldProportion,n,newProportion);
 
 
 
@@ -494,8 +500,7 @@ public class TransvoxelModelGeneration {
             trianglesSharingVert.set(index2, trianglesSharingIndex2 + 1);
 
             currentNormal = normals.get(index2);
-            currentNormal = TransvoxelModelGeneration.averageNormals(currentNormal,oldProportion,n,newProportion);
-            normals.get(index2).set(currentNormal);
+            TransvoxelModelGeneration.averageNormals(currentNormal,oldProportion,n,newProportion);
 
         }
 
@@ -522,11 +527,14 @@ public class TransvoxelModelGeneration {
             double isolevel,
             List<Triangle> triangles,
             List<Vector3f> samplerIndices,
-            Map<Vector3f,Integer> vertMap,
+            Map<String,Integer> vertMap,
             List<Vector3f> verts,
             List<Vector3f> normals,
             List<Integer> trianglesSharingVert,
-            boolean invertNormals
+            boolean invertNormals,
+            Vector3f[] vertList1,
+            int[] samplerIndex,
+            StringBuilder builder
         ){
 
 
@@ -590,8 +598,10 @@ public class TransvoxelModelGeneration {
         int ntriang;
         int caseIndex = 0;
         Vector3f[] vertList = new Vector3f[12];
-        int[] samplerIndex = new int[12];
-
+        for(int j = 0; j < 12; j++){
+            vertList[j] = new Vector3f();
+            samplerIndex[j] = 0;
+        }
 
 
         /**
@@ -792,7 +802,7 @@ public class TransvoxelModelGeneration {
                 Vector3f secondVertex = TransvoxelModelGeneration.getTransvoxelVectorByIndex(transitionCell,secondCornerSampleIndex);
                 
                 //calculate interpolated vertex between the two samples such that it lies on the edge of the isosurface
-                vertList[i] = TransvoxelModelGeneration.VertexInterp(isolevel,firstVertex,secondVertex,firstSample,secondSample);
+                TransvoxelModelGeneration.VertexInterp(isolevel,firstVertex,secondVertex,firstSample,secondSample,vertList[i]);
 
                 //figure out what sample we're pulling texture from
                 if(firstSample > isolevel){
@@ -848,13 +858,13 @@ public class TransvoxelModelGeneration {
             LoggerInterface.loggerRenderer.DEBUG(vert0 + "");
             LoggerInterface.loggerRenderer.DEBUG(vert1 + "");
             LoggerInterface.loggerRenderer.DEBUG(vert2 + "");
-            int index0 = TransvoxelModelGeneration.getVertIndex(vert0,vertMap,verts);
-            int index1 = TransvoxelModelGeneration.getVertIndex(vert1,vertMap,verts);
-            int index2 = TransvoxelModelGeneration.getVertIndex(vert2,vertMap,verts);
+            int index0 = TransvoxelModelGeneration.getVertIndex(vert0,vertMap,verts,builder);
+            int index1 = TransvoxelModelGeneration.getVertIndex(vert1,vertMap,verts,builder);
+            int index2 = TransvoxelModelGeneration.getVertIndex(vert2,vertMap,verts,builder);
 
             if(windingOrder == 1){
-                index0 = TransvoxelModelGeneration.getVertIndex(vert2,vertMap,verts);
-                index2 = TransvoxelModelGeneration.getVertIndex(vert0,vertMap,verts);
+                index0 = TransvoxelModelGeneration.getVertIndex(vert2,vertMap,verts,builder);
+                index2 = TransvoxelModelGeneration.getVertIndex(vert0,vertMap,verts,builder);
             }
 
             //add 0's to normals until it matches vert count
@@ -897,12 +907,14 @@ public class TransvoxelModelGeneration {
 
 
             //calculate normal for new triangle
-            Vector3f u = verts.get(index1).sub(verts.get(index0), new Vector3f());
-            Vector3f v = verts.get(index2).sub(verts.get(index1), new Vector3f());
+            Vector3f u = VectorPool.getF().set(verts.get(index1)).sub(verts.get(index0));
+            Vector3f v = VectorPool.getF().set(verts.get(index2)).sub(verts.get(index1));
             Vector3f n = new Vector3f(u.y * v.z - u.z * v.y, u.z * v.x - u.x * v.z, u.x * v.y - u.y * v.x).normalize();
             if(invertNormals){
                 n = n.mul(-1);
             }
+            VectorPool.release(u);
+            VectorPool.release(v);
 
 
 
@@ -915,8 +927,7 @@ public class TransvoxelModelGeneration {
             trianglesSharingVert.set(index0, trianglesSharingIndex0 + 1);
 
             Vector3f currentNormal = normals.get(index0);
-            currentNormal = TransvoxelModelGeneration.averageNormals(currentNormal,oldProportion,n,newProportion);
-            normals.get(index0).set(currentNormal);
+            TransvoxelModelGeneration.averageNormals(currentNormal,oldProportion,n,newProportion);
 
 
 
@@ -930,8 +941,7 @@ public class TransvoxelModelGeneration {
             trianglesSharingVert.set(index1, trianglesSharingIndex1 + 1);
 
             currentNormal = normals.get(index1);
-            currentNormal = TransvoxelModelGeneration.averageNormals(currentNormal,oldProportion,n,newProportion);
-            normals.get(index1).set(currentNormal);
+            TransvoxelModelGeneration.averageNormals(currentNormal,oldProportion,n,newProportion);
 
 
 
@@ -948,8 +958,7 @@ public class TransvoxelModelGeneration {
             trianglesSharingVert.set(index2, trianglesSharingIndex2 + 1);
 
             currentNormal = normals.get(index2);
-            currentNormal = TransvoxelModelGeneration.averageNormals(currentNormal,oldProportion,n,newProportion);
-            normals.get(index2).set(currentNormal);
+            TransvoxelModelGeneration.averageNormals(currentNormal,oldProportion,n,newProportion);
 
         }
 
@@ -1095,7 +1104,7 @@ public class TransvoxelModelGeneration {
     }
 
     //interpolates the location that the edge gets cut based on the magnitudes of the scalars of the vertices at either end of the edge
-    protected static Vector3f VertexInterp(double isolevel, Vector3f p1, Vector3f p2, double valp1, double valp2){
+    protected static void VertexInterp(double isolevel, Vector3f p1, Vector3f p2, double valp1, double valp2, Vector3f vec){
         double mu;
         float x, y, z;
 
@@ -1103,13 +1112,15 @@ public class TransvoxelModelGeneration {
             if(valp2 == 0){
                 mu = 0.5f;
             } else if(valp2 > 0){
-                return p2;
+                vec.set(p2);
+                return;
             } else {
                 mu = 0.5;
             }
         } else if(valp2 == 0){
             if(valp1 > 0){
-                return p1;
+                vec.set(p1);
+                return;
             } else {
                 mu = 0.5;
             }
@@ -1137,7 +1148,7 @@ public class TransvoxelModelGeneration {
         y = (float)(p1.y + mu * (p2.y - p1.y));
         z = (float)(p1.z + mu * (p2.z - p1.z));
 
-        return new Vector3f(x,y,z);
+        vec.set(x,y,z);
     }
 
     /**
@@ -1147,18 +1158,24 @@ public class TransvoxelModelGeneration {
      * @param verts 
      * @return
      */
-    private static int getVertIndex(Vector3f vert, Map<Vector3f,Integer> vertMap, List<Vector3f> verts){
+    private static int getVertIndex(Vector3f vert, Map<String,Integer> vertMap, List<Vector3f> verts, StringBuilder builder){
         if(vert == null){
             throw new Error("Provided null value! " + vert);
         }
+        builder.delete(0,builder.length());
+        builder.append(vert.x);
+        builder.append("_");
+        builder.append(vert.y);
+        builder.append("_");
+        builder.append(vert.z);
         int rVal = -1;
         // String vertKey = TransvoxelModelGeneration.getVertKeyFromPoints(vert.x,vert.y,vert.z);
-        if(vertMap.containsKey(vert)){
-            return vertMap.get(vert);
+        if(vertMap.containsKey(builder.toString())){
+            return vertMap.get(builder.toString());
         } else {
             rVal = verts.size();
-            verts.add(vert);
-            vertMap.put(vert,rVal);
+            verts.add(new Vector3f(vert));
+            vertMap.put(builder.toString(),rVal);
             return rVal;
         }
     }
@@ -1171,13 +1188,12 @@ public class TransvoxelModelGeneration {
      * @param proportion1 The proportion of the second vector
      * @return The mixed vector
      */
-    private static Vector3f averageNormals(Vector3f normal0, float proportion0, Vector3f normal1, float proportion1){
-        Vector3f rVal = new Vector3f(
+    private static void averageNormals(Vector3f normal0, float proportion0, Vector3f normal1, float proportion1){
+        normal0.set(
             normal0.x * proportion0 + normal1.x * proportion1,
             normal0.y * proportion0 + normal1.y * proportion1,
             normal0.z * proportion0 + normal1.z * proportion1
         );
-        return rVal;
     }
 
 
@@ -1208,7 +1224,7 @@ public class TransvoxelModelGeneration {
         //the list of all triangles
         List<Triangle> triangles = new LinkedList<Triangle>();
         //the map of vertex to index
-        Map<Vector3f,Integer> vertMap = new HashMap<Vector3f,Integer>();
+        Map<String,Integer> vertMap = new HashMap<String,Integer>();
         //the list of all verts
         List<Vector3f> verts = new LinkedList<Vector3f>();
         //the list of all normals
@@ -1218,6 +1234,14 @@ public class TransvoxelModelGeneration {
         //List of texture sampler values
         List<Vector3f> samplerTriangles = new LinkedList<Vector3f>();
 
+        Vector3f[] vertList = new Vector3f[12];
+        int[] samplerIndex = new int[12];
+        boolean[] skip = new boolean[12];
+        for(int i = 0; i < 12; i++){
+            vertList[i] = new Vector3f();
+        }
+        StringBuilder builder = new StringBuilder();
+
         //the vector pool
         Vector3f[] vecPool = new Vector3f[VECTOR_POOL_SIZE];
         for(int i = 0; i < VECTOR_POOL_SIZE; i++){
@@ -1253,7 +1277,7 @@ public class TransvoxelModelGeneration {
                         chunkData.textureGrid[x+0][y+1][z+0], chunkData.textureGrid[x+0][y+1][z+1], chunkData.textureGrid[x+1][y+1][z+1], chunkData.textureGrid[x+1][y+1][z+0]
                     );
                     //polygonize the current gridcell
-                    TransvoxelModelGeneration.polygonize(currentCell, TerrainChunkModelGeneration.MIN_ISO_VALUE, triangles, samplerTriangles, vertMap, verts, normals, trianglesSharingVert, false);
+                    TransvoxelModelGeneration.polygonize(currentCell, TerrainChunkModelGeneration.MIN_ISO_VALUE, triangles, samplerTriangles, vertMap, verts, normals, trianglesSharingVert, false, vertList, samplerIndex, skip, builder);
                 }
             }
         }
@@ -1325,7 +1349,7 @@ public class TransvoxelModelGeneration {
                         chunkData.xPositiveEdgeAtlas[(y+0)*2+0][(z+0)*2+0], chunkData.xPositiveEdgeAtlas[(y+1)*2+0][(z+0)*2+0],
                         chunkData.xPositiveEdgeAtlas[(y+0)*2+0][(z+1)*2+0], chunkData.xPositiveEdgeAtlas[(y+1)*2+0][(z+1)*2+0]
                     );
-                    TransvoxelModelGeneration.polygonizeTransition(currentTransitionCell, TerrainChunkModelGeneration.MIN_ISO_VALUE, triangles, samplerTriangles, vertMap, verts, normals, trianglesSharingVert, true);
+                    TransvoxelModelGeneration.polygonizeTransition(currentTransitionCell, TerrainChunkModelGeneration.MIN_ISO_VALUE, triangles, samplerTriangles, vertMap, verts, normals, trianglesSharingVert, true, vertList, samplerIndex, builder);
 
                     //
                     //Generate the normal cell with half width
@@ -1347,7 +1371,7 @@ public class TransvoxelModelGeneration {
                         chunkData.textureGrid[x+0][y+1][z+0], chunkData.textureGrid[x+0][y+1][z+1], chunkData.xPositiveEdgeAtlas[(y+1)*2+0][(z+1)*2+0], chunkData.xPositiveEdgeAtlas[(y+1)*2+0][(z+0)*2+0]
                     );
                     //polygonize the current gridcell
-                    TransvoxelModelGeneration.polygonize(currentCell, TerrainChunkModelGeneration.MIN_ISO_VALUE, triangles, samplerTriangles, vertMap, verts, normals, trianglesSharingVert, false);
+                    TransvoxelModelGeneration.polygonize(currentCell, TerrainChunkModelGeneration.MIN_ISO_VALUE, triangles, samplerTriangles, vertMap, verts, normals, trianglesSharingVert, false, vertList, samplerIndex, skip, builder);
                 }
             }
         } else {
@@ -1372,7 +1396,7 @@ public class TransvoxelModelGeneration {
                         chunkData.textureGrid[x+0][y+1][z+0], chunkData.textureGrid[x+0][y+1][z+1], chunkData.textureGrid[x+1][y+1][z+1], chunkData.textureGrid[x+1][y+1][z+0]
                     );
                     //polygonize the current gridcell
-                    TransvoxelModelGeneration.polygonize(currentCell, TerrainChunkModelGeneration.MIN_ISO_VALUE, triangles, samplerTriangles, vertMap, verts, normals, trianglesSharingVert, false);
+                    TransvoxelModelGeneration.polygonize(currentCell, TerrainChunkModelGeneration.MIN_ISO_VALUE, triangles, samplerTriangles, vertMap, verts, normals, trianglesSharingVert, false, vertList, samplerIndex, skip, builder);
                 }
             }
         }
@@ -1437,7 +1461,7 @@ public class TransvoxelModelGeneration {
                         chunkData.xNegativeEdgeAtlas[(y+0)*2+0][(z+0)*2+0], chunkData.xNegativeEdgeAtlas[(y+1)*2+0][(z+0)*2+0],
                         chunkData.xNegativeEdgeAtlas[(y+0)*2+0][(z+1)*2+0], chunkData.xNegativeEdgeAtlas[(y+1)*2+0][(z+1)*2+0]
                     );
-                    TransvoxelModelGeneration.polygonizeTransition(currentTransitionCell, TerrainChunkModelGeneration.MIN_ISO_VALUE, triangles, samplerTriangles, vertMap, verts, normals, trianglesSharingVert, false);
+                    TransvoxelModelGeneration.polygonizeTransition(currentTransitionCell, TerrainChunkModelGeneration.MIN_ISO_VALUE, triangles, samplerTriangles, vertMap, verts, normals, trianglesSharingVert, false, vertList, samplerIndex, builder);
 
                     //
                     //Generate the normal cell with half width
@@ -1459,7 +1483,7 @@ public class TransvoxelModelGeneration {
                         chunkData.xNegativeEdgeAtlas[(y+1)*2+0][(z+0)*2+0], chunkData.xNegativeEdgeAtlas[(y+1)*2+0][(z+1)*2+0], chunkData.textureGrid[x+1][y+1][z+1], chunkData.textureGrid[x+1][y+1][z+0]
                     );
                     //polygonize the current gridcell
-                    TransvoxelModelGeneration.polygonize(currentCell, TerrainChunkModelGeneration.MIN_ISO_VALUE, triangles, samplerTriangles, vertMap, verts, normals, trianglesSharingVert, false);
+                    TransvoxelModelGeneration.polygonize(currentCell, TerrainChunkModelGeneration.MIN_ISO_VALUE, triangles, samplerTriangles, vertMap, verts, normals, trianglesSharingVert, false, vertList, samplerIndex, skip, builder);
                 }
             }
         } else {
@@ -1484,7 +1508,7 @@ public class TransvoxelModelGeneration {
                         chunkData.textureGrid[x+0][y+1][z+0], chunkData.textureGrid[x+0][y+1][z+1], chunkData.textureGrid[x+1][y+1][z+1], chunkData.textureGrid[x+1][y+1][z+0]
                     );
                     //polygonize the current gridcell
-                    TransvoxelModelGeneration.polygonize(currentCell, TerrainChunkModelGeneration.MIN_ISO_VALUE, triangles, samplerTriangles, vertMap, verts, normals, trianglesSharingVert, false);
+                    TransvoxelModelGeneration.polygonize(currentCell, TerrainChunkModelGeneration.MIN_ISO_VALUE, triangles, samplerTriangles, vertMap, verts, normals, trianglesSharingVert, false, vertList, samplerIndex, skip, builder);
                 }
             }
         }
@@ -1548,7 +1572,7 @@ public class TransvoxelModelGeneration {
                         chunkData.yPositiveEdgeAtlas[(x+0)*2+0][(z+0)*2+0], chunkData.yPositiveEdgeAtlas[(x+1)*2+0][(z+0)*2+0],
                         chunkData.yPositiveEdgeAtlas[(x+0)*2+0][(z+1)*2+0], chunkData.yPositiveEdgeAtlas[(x+1)*2+0][(z+1)*2+0]
                     );
-                    TransvoxelModelGeneration.polygonizeTransition(currentTransitionCell, TerrainChunkModelGeneration.MIN_ISO_VALUE, triangles, samplerTriangles, vertMap, verts, normals, trianglesSharingVert, false);
+                    TransvoxelModelGeneration.polygonizeTransition(currentTransitionCell, TerrainChunkModelGeneration.MIN_ISO_VALUE, triangles, samplerTriangles, vertMap, verts, normals, trianglesSharingVert, false, vertList, samplerIndex, builder);
 
                     //
                     //Generate the normal cell with half width
@@ -1570,7 +1594,7 @@ public class TransvoxelModelGeneration {
                         chunkData.yPositiveEdgeAtlas[(x+0)*2+0][(z+0)*2+0],     chunkData.yPositiveEdgeAtlas[(x+0)*2+0][(z+1)*2+0],     chunkData.yPositiveEdgeAtlas[(x+1)*2+0][(z+1)*2+0],     chunkData.yPositiveEdgeAtlas[(x+1)*2+0][(z+0)*2+0]
                     );
                     //polygonize the current gridcell
-                    TransvoxelModelGeneration.polygonize(currentCell, TerrainChunkModelGeneration.MIN_ISO_VALUE, triangles, samplerTriangles, vertMap, verts, normals, trianglesSharingVert, false);
+                    TransvoxelModelGeneration.polygonize(currentCell, TerrainChunkModelGeneration.MIN_ISO_VALUE, triangles, samplerTriangles, vertMap, verts, normals, trianglesSharingVert, false, vertList, samplerIndex, skip, builder);
                 }
             }
         } else {
@@ -1595,7 +1619,7 @@ public class TransvoxelModelGeneration {
                         chunkData.textureGrid[x+0][y+1][z+0], chunkData.textureGrid[x+0][y+1][z+1], chunkData.textureGrid[x+1][y+1][z+1], chunkData.textureGrid[x+1][y+1][z+0]
                     );
                     //polygonize the current gridcell
-                    TransvoxelModelGeneration.polygonize(currentCell, TerrainChunkModelGeneration.MIN_ISO_VALUE, triangles, samplerTriangles, vertMap, verts, normals, trianglesSharingVert, false);
+                    TransvoxelModelGeneration.polygonize(currentCell, TerrainChunkModelGeneration.MIN_ISO_VALUE, triangles, samplerTriangles, vertMap, verts, normals, trianglesSharingVert, false, vertList, samplerIndex, skip, builder);
                 }
             }
         }
@@ -1659,7 +1683,7 @@ public class TransvoxelModelGeneration {
                         chunkData.yNegativeEdgeAtlas[(x+0)*2+0][(z+0)*2+0], chunkData.yNegativeEdgeAtlas[(x+1)*2+0][(z+0)*2+0],
                         chunkData.yNegativeEdgeAtlas[(x+0)*2+0][(z+1)*2+0], chunkData.yNegativeEdgeAtlas[(x+1)*2+0][(z+1)*2+0]
                     );
-                    TransvoxelModelGeneration.polygonizeTransition(currentTransitionCell, TerrainChunkModelGeneration.MIN_ISO_VALUE, triangles, samplerTriangles, vertMap, verts, normals, trianglesSharingVert, true);
+                    TransvoxelModelGeneration.polygonizeTransition(currentTransitionCell, TerrainChunkModelGeneration.MIN_ISO_VALUE, triangles, samplerTriangles, vertMap, verts, normals, trianglesSharingVert, true, vertList, samplerIndex, builder);
 
                     //
                     //Generate the normal cell with half width
@@ -1681,7 +1705,7 @@ public class TransvoxelModelGeneration {
                         chunkData.yNegativeEdgeAtlas[(x+0)*2+0][(z+0)*2+0],     chunkData.yNegativeEdgeAtlas[(x+0)*2+0][(z+1)*2+0],     chunkData.yNegativeEdgeAtlas[(x+1)*2+0][(z+1)*2+0],     chunkData.yNegativeEdgeAtlas[(x+1)*2+0][(z+0)*2+0]
                     );
                     //polygonize the current gridcell
-                    TransvoxelModelGeneration.polygonize(currentCell, TerrainChunkModelGeneration.MIN_ISO_VALUE, triangles, samplerTriangles, vertMap, verts, normals, trianglesSharingVert, true);
+                    TransvoxelModelGeneration.polygonize(currentCell, TerrainChunkModelGeneration.MIN_ISO_VALUE, triangles, samplerTriangles, vertMap, verts, normals, trianglesSharingVert, true, vertList, samplerIndex, skip, builder);
                 }
             }
         } else {
@@ -1706,7 +1730,7 @@ public class TransvoxelModelGeneration {
                         chunkData.textureGrid[x+0][y+1][z+0], chunkData.textureGrid[x+0][y+1][z+1], chunkData.textureGrid[x+1][y+1][z+1], chunkData.textureGrid[x+1][y+1][z+0]
                     );
                     //polygonize the current gridcell
-                    TransvoxelModelGeneration.polygonize(currentCell, TerrainChunkModelGeneration.MIN_ISO_VALUE, triangles, samplerTriangles, vertMap, verts, normals, trianglesSharingVert, false);
+                    TransvoxelModelGeneration.polygonize(currentCell, TerrainChunkModelGeneration.MIN_ISO_VALUE, triangles, samplerTriangles, vertMap, verts, normals, trianglesSharingVert, false, vertList, samplerIndex, skip, builder);
                 }
             }
         }
@@ -1771,7 +1795,7 @@ public class TransvoxelModelGeneration {
                         chunkData.zPositiveEdgeAtlas[(x+0)*2+0][(y+0)*2+0], chunkData.zPositiveEdgeAtlas[(x+0)*2+0][(y+1)*2+0],
                         chunkData.zPositiveEdgeAtlas[(x+1)*2+0][(y+0)*2+0], chunkData.zPositiveEdgeAtlas[(x+1)*2+0][(y+1)*2+0]
                     );
-                    TransvoxelModelGeneration.polygonizeTransition(currentTransitionCell, TerrainChunkModelGeneration.MIN_ISO_VALUE, triangles, samplerTriangles, vertMap, verts, normals, trianglesSharingVert, false);
+                    TransvoxelModelGeneration.polygonizeTransition(currentTransitionCell, TerrainChunkModelGeneration.MIN_ISO_VALUE, triangles, samplerTriangles, vertMap, verts, normals, trianglesSharingVert, false, vertList, samplerIndex, builder);
 
                     //
                     //Generate the normal cell with half width
@@ -1793,7 +1817,7 @@ public class TransvoxelModelGeneration {
                         chunkData.textureGrid[x+0][y+1][z+0], chunkData.zPositiveEdgeAtlas[(x+0)*2+0][(y+1)*2+0], chunkData.zPositiveEdgeAtlas[(x+1)*2+0][(y+1)*2+0], chunkData.textureGrid[x+1][y+1][z+0]
                     );
                     //polygonize the current gridcell
-                    TransvoxelModelGeneration.polygonize(currentCell, TerrainChunkModelGeneration.MIN_ISO_VALUE, triangles, samplerTriangles, vertMap, verts, normals, trianglesSharingVert, false);
+                    TransvoxelModelGeneration.polygonize(currentCell, TerrainChunkModelGeneration.MIN_ISO_VALUE, triangles, samplerTriangles, vertMap, verts, normals, trianglesSharingVert, false, vertList, samplerIndex, skip, builder);
                 }
             }
         } else {
@@ -1818,7 +1842,7 @@ public class TransvoxelModelGeneration {
                         chunkData.textureGrid[x+0][y+1][z+0], chunkData.textureGrid[x+0][y+1][z+1], chunkData.textureGrid[x+1][y+1][z+1], chunkData.textureGrid[x+1][y+1][z+0]
                     );
                     //polygonize the current gridcell
-                    TransvoxelModelGeneration.polygonize(currentCell, TerrainChunkModelGeneration.MIN_ISO_VALUE, triangles, samplerTriangles, vertMap, verts, normals, trianglesSharingVert, false);
+                    TransvoxelModelGeneration.polygonize(currentCell, TerrainChunkModelGeneration.MIN_ISO_VALUE, triangles, samplerTriangles, vertMap, verts, normals, trianglesSharingVert, false, vertList, samplerIndex, skip, builder);
                 }
             }
         }
@@ -1883,7 +1907,7 @@ public class TransvoxelModelGeneration {
                         chunkData.zNegativeEdgeAtlas[(x+0)*2+0][(y+0)*2+0], chunkData.zNegativeEdgeAtlas[(x+0)*2+0][(y+1)*2+0],
                         chunkData.zNegativeEdgeAtlas[(x+1)*2+0][(y+0)*2+0], chunkData.zNegativeEdgeAtlas[(x+1)*2+0][(y+1)*2+0]
                     );
-                    TransvoxelModelGeneration.polygonizeTransition(currentTransitionCell, TerrainChunkModelGeneration.MIN_ISO_VALUE, triangles, samplerTriangles, vertMap, verts, normals, trianglesSharingVert, true);
+                    TransvoxelModelGeneration.polygonizeTransition(currentTransitionCell, TerrainChunkModelGeneration.MIN_ISO_VALUE, triangles, samplerTriangles, vertMap, verts, normals, trianglesSharingVert, true, vertList, samplerIndex, builder);
 
                     //
                     //Generate the normal cell with half width
@@ -1905,7 +1929,7 @@ public class TransvoxelModelGeneration {
                         chunkData.textureGrid[x+0][y+1][z+1], chunkData.zNegativeEdgeAtlas[(x+0)*2+0][(y+1)*2+0], chunkData.zNegativeEdgeAtlas[(x+1)*2+0][(y+1)*2+0], chunkData.textureGrid[x+1][y+1][z+1]
                     );
                     //polygonize the current gridcell
-                    TransvoxelModelGeneration.polygonize(currentCell, TerrainChunkModelGeneration.MIN_ISO_VALUE, triangles, samplerTriangles, vertMap, verts, normals, trianglesSharingVert, true);
+                    TransvoxelModelGeneration.polygonize(currentCell, TerrainChunkModelGeneration.MIN_ISO_VALUE, triangles, samplerTriangles, vertMap, verts, normals, trianglesSharingVert, true, vertList, samplerIndex, skip, builder);
                 }
             }
         } else {
@@ -1930,7 +1954,7 @@ public class TransvoxelModelGeneration {
                         chunkData.textureGrid[x+0][y+1][z+0], chunkData.textureGrid[x+0][y+1][z+1], chunkData.textureGrid[x+1][y+1][z+1], chunkData.textureGrid[x+1][y+1][z+0]
                     );
                     //polygonize the current gridcell
-                    TransvoxelModelGeneration.polygonize(currentCell, TerrainChunkModelGeneration.MIN_ISO_VALUE, triangles, samplerTriangles, vertMap, verts, normals, trianglesSharingVert, false);
+                    TransvoxelModelGeneration.polygonize(currentCell, TerrainChunkModelGeneration.MIN_ISO_VALUE, triangles, samplerTriangles, vertMap, verts, normals, trianglesSharingVert, false, vertList, samplerIndex, skip, builder);
                 }
             }
         }

src/main/java/electrosphere/renderer/pipelines/MainContentPipeline.java

@@ -74,6 +74,7 @@ public class MainContentPipeline implements RenderPipeline {
         Globals.profiler.beginCpuSample("MainContentPipeline.render - Solids non-instanced");
         Set<Entity> solidsNonInstanced = Globals.clientScene.getEntitiesWithTag(EntityTags.DRAWABLE);
         Vector3d positionVec = new Vector3d();
+        Vector3d scaleVec = new Vector3d();
         Vector3d cameraCenterVec = CameraEntityUtils.getCameraCenter(Globals.playerCamera);
         for(Entity currentEntity : solidsNonInstanced){
             Vector3d position = EntityUtils.getPosition(currentEntity);
@@ -106,18 +107,18 @@ public class MainContentPipeline implements RenderPipeline {
                 if(InstancedActor.getInstanceModelAttribute(currentEntity) != null){
                     ShaderAttribute modelAttribute = InstancedActor.getInstanceModelAttribute(currentEntity);
                     //calculate model matrix
-                    Vector3d cameraModifiedPosition = new Vector3d(position).sub(CameraEntityUtils.getCameraCenter(Globals.playerCamera));
+                    Vector3d cameraModifiedPosition = positionVec.set(position).sub(CameraEntityUtils.getCameraCenter(Globals.playerCamera));
                     Quaterniond rotation = EntityUtils.getRotation(currentEntity);
                     // modelTransformMatrix.identity();
                     modelTransformMatrix.identity().translationRotateScale(
                         cameraModifiedPosition,
-                        new Quaterniond(rotation),
-                        new Vector3d(EntityUtils.getScale(currentEntity))
+                        rotation,
+                        scaleVec.set(EntityUtils.getScale(currentEntity))
                     );
                     //set actor value
-                    currentActor.setAttribute(modelAttribute, new Matrix4d(modelTransformMatrix));
+                    currentActor.setAttribute(modelAttribute, modelTransformMatrix);
                     //draw
-                    currentActor.draw(renderPipelineState, new Vector3d(cameraModifiedPosition));
+                    currentActor.draw(renderPipelineState, cameraModifiedPosition);
                 } else {
                     currentActor.draw(renderPipelineState);
                 }
@@ -167,12 +168,12 @@ public class MainContentPipeline implements RenderPipeline {
                 //fetch actor
                 Actor currentActor = EntityUtils.getActor(currentEntity);
                 //calculate camera-modified vector3d
-                Vector3d cameraModifiedPosition = new Vector3d(position).sub(CameraEntityUtils.getCameraCenter(Globals.playerCamera));
+                Vector3d cameraModifiedPosition = positionVec.set(position).sub(CameraEntityUtils.getCameraCenter(Globals.playerCamera));
                 //calculate and apply model transform
                 modelTransformMatrix.identity();
                 modelTransformMatrix.translate(cameraModifiedPosition);
                 modelTransformMatrix.rotate(EntityUtils.getRotation(currentEntity));
-                modelTransformMatrix.scale(new Vector3d(EntityUtils.getScale(currentEntity)));
+                modelTransformMatrix.scale(scaleVec.set(EntityUtils.getScale(currentEntity)));
                 currentActor.applySpatialData(modelTransformMatrix,position);
                 //draw
                 currentActor.draw(renderPipelineState,openGLState);
@@ -189,18 +190,18 @@ public class MainContentPipeline implements RenderPipeline {
                 if(InstancedActor.getInstanceModelAttribute(currentEntity) != null){
                     ShaderAttribute modelAttribute = InstancedActor.getInstanceModelAttribute(currentEntity);
                     //calculate model matrix
-                    Vector3d cameraModifiedPosition = new Vector3d(position).sub(CameraEntityUtils.getCameraCenter(Globals.playerCamera));
+                    Vector3d cameraModifiedPosition = positionVec.set(position).sub(CameraEntityUtils.getCameraCenter(Globals.playerCamera));
                     Quaterniond rotation = EntityUtils.getRotation(currentEntity);
                     // modelTransformMatrix.identity();
                     modelTransformMatrix.identity().translationRotateScale(
                         cameraModifiedPosition,
-                        new Quaterniond(rotation),
-                        new Vector3d(EntityUtils.getScale(currentEntity))
+                        rotation,
+                        scaleVec.set(EntityUtils.getScale(currentEntity))
                     );
                     //set actor value
-                    currentActor.setAttribute(modelAttribute, new Matrix4d(modelTransformMatrix));
+                    currentActor.setAttribute(modelAttribute, modelTransformMatrix);
                     //draw
-                    currentActor.draw(renderPipelineState, new Vector3d(cameraModifiedPosition));
+                    currentActor.draw(renderPipelineState, cameraModifiedPosition);
                 } else {
                     currentActor.draw(renderPipelineState);
                 }

src/main/java/electrosphere/renderer/pipelines/ShadowMapPipeline.java

@@ -103,6 +103,8 @@ public class ShadowMapPipeline implements RenderPipeline {
         //     D R A W     A L L     E N T I T I E S
         //
         modelTransformMatrix = new Matrix4d();
+        Vector3d posVec = new Vector3d();
+        Vector3d scaleVec = new Vector3d();
         for(Entity currentEntity : Globals.clientScene.getEntitiesWithTag(EntityTags.DRAW_CAST_SHADOW)){
             Vector3d position = EntityUtils.getPosition(currentEntity);
             if(
@@ -111,13 +113,13 @@ public class ShadowMapPipeline implements RenderPipeline {
                 //fetch actor
                 Actor currentActor = EntityUtils.getActor(currentEntity);
                 //calculate camera-modified vector3d
-                Vector3d cameraCenter = new Vector3d(CameraEntityUtils.getCameraCenter(Globals.playerCamera));
-                Vector3d cameraModifiedPosition = new Vector3d(position).sub(cameraCenter);
+                Vector3d cameraCenter = posVec.set(CameraEntityUtils.getCameraCenter(Globals.playerCamera));
+                Vector3d cameraModifiedPosition = position.sub(cameraCenter);
                 //calculate and apply model transform
                 modelTransformMatrix = modelTransformMatrix.identity();
                 modelTransformMatrix.translate(cameraModifiedPosition);
                 modelTransformMatrix.rotate(EntityUtils.getRotation(currentEntity));
-                modelTransformMatrix.scale(new Vector3d(EntityUtils.getScale(currentEntity)));
+                modelTransformMatrix.scale(scaleVec.set(EntityUtils.getScale(currentEntity)));
                 currentActor.applySpatialData(modelTransformMatrix,position);
                 //draw
                 currentActor.draw(renderPipelineState,openGLState);

src/main/java/electrosphere/server/block/diskmap/ServerBlockChunkDiskMap.java

@@ -108,7 +108,7 @@ public class ServerBlockChunkDiskMap {
         lock.lock();
         LoggerInterface.loggerEngine.INFO("Load chunk " + worldX + " " + worldY + " " + worldZ);
         BlockChunkData rVal = null;
-        if(containsBlocksAtPosition(worldX, worldY, worldZ)){
+        if(this.containsBlocksAtPosition(worldX, worldY, worldZ)){
             //read file
             String fileName = worldPosFileMap.get(getBlockChunkKey(worldX, worldY, worldZ));
             byte[] rawDataCompressed = FileUtils.loadBinaryFromSavePath(Globals.currentSave.getName(), fileName);

src/test/java/electrosphere/renderer/meshgen/TransvoxelModelGenerationTests.java

@@ -20,7 +20,8 @@ public class TransvoxelModelGenerationTests {
                 new Vector3f(15, 0, 6),
                 new Vector3f(16, 0, 6),
                 0.08262646198272705,
-                0.009999990463256836
+                0.009999990463256836,
+                new Vector3f()
             );
         });
         // Vector3f vec2 = TransvoxelModelGeneration.VertexInterp(
@@ -35,19 +36,23 @@ public class TransvoxelModelGenerationTests {
 
     @UnitTest
     public void testVertexInterp2(){
-        Vector3f vec1 = TransvoxelModelGeneration.VertexInterp(
+        Vector3f vec1 = new Vector3f();
+        TransvoxelModelGeneration.VertexInterp(
             TerrainChunkModelGeneration.MIN_ISO_VALUE,
             new Vector3f(1, 2, 0),
             new Vector3f(0, 2, 0),
             -0.338376522064209,
-            0.0
+            0.0,
+            vec1
         );
-        Vector3f vec2 = TransvoxelModelGeneration.VertexInterp(
+        Vector3f vec2 = new Vector3f();
+        TransvoxelModelGeneration.VertexInterp(
             TerrainChunkModelGeneration.MIN_ISO_VALUE,
             new Vector3f(0, 2, 0),
             new Vector3f(0, 3, 0),
             0,
-            -1.0
+            -1.0,
+            vec2
         );
         assertNotEquals(vec1, vec2);
     }
@@ -56,19 +61,23 @@ public class TransvoxelModelGenerationTests {
     public void testVertexInterp3(){
         //vertList[1] = TransvoxelModelGeneration.VertexInterp(isolevel,grid.points[1],grid.points[2],grid.val[1],grid.val[2]);
         //vertList[10] = TransvoxelModelGeneration.VertexInterp(isolevel,grid.points[2],grid.points[6],grid.val[2],grid.val[6]);
-        Vector3f vec1 = TransvoxelModelGeneration.VertexInterp(
+        Vector3f vec1 = new Vector3f();
+        TransvoxelModelGeneration.VertexInterp(
             TerrainChunkModelGeneration.MIN_ISO_VALUE,
             new Vector3f(8, 8, 15.5f),
             new Vector3f(9, 8, 15.5f),
             0.0,
-            -1.0
+            -1.0,
+            vec1
         );
-        Vector3f vec2 = TransvoxelModelGeneration.VertexInterp(
+        Vector3f vec2 = new Vector3f();
+        TransvoxelModelGeneration.VertexInterp(
             TerrainChunkModelGeneration.MIN_ISO_VALUE,
             new Vector3f(9, 8, 15.5f),
             new Vector3f(9, 9, 15.5f),
             -1.0,
-            0.0
+            0.0,
+            vec2
         );
         assertNotEquals(vec1, vec2);
     }