fix server only drawcells

src/main/java/electrosphere/engine/LoadingThread.java

@@ -158,6 +158,8 @@ public class LoadingThread extends Thread {
                 initMicroSimulation();
                 //collision engine
                 initCommonWorldData(Globals.RUN_SERVER);
+                //init draw cell manager
+                initDrawCellManager();
                 //init game specific stuff (ie different skybox colors)
                 initGameGraphicalEntities();
                 //set simulations to ready if they exist
@@ -187,6 +189,8 @@ public class LoadingThread extends Thread {
                 initServerThread();
                 //collision engine
                 initCommonWorldData(Globals.RUN_SERVER);
+                //init draw cell manager
+                initDrawCellManager();
                 //initialize the "virtual" objects simulation
                 //not really relevant in arena mode
 //                initMacroSimulation();
@@ -358,7 +362,7 @@ public class LoadingThread extends Thread {
     
     static void initServerArenaWorldData(){
         Globals.serverWorldData = ServerWorldData.createArenaWorld();
-        Globals.spawnPoint = new Vector3d(1,2.0,1);
+        Globals.spawnPoint = new Vector3d(1,0.1,1);
 //        Globals.serverTerrainManager.getChunk(0, 0).addModification(new TerrainModification(0,0,5,5,5));
     }
     
@@ -412,6 +416,7 @@ public class LoadingThread extends Thread {
         Thread clientThread = null;
         if(Globals.RUN_CLIENT){
             Globals.clientConnection = new ClientNetworking(NetUtils.getAddress(),NetUtils.getPort());
+            System.out.println(Globals.clientConnection.socket);
             clientThread = new Thread(Globals.clientConnection);
             clientThread.start();
         }
@@ -419,31 +424,37 @@ public class LoadingThread extends Thread {
     
     
     static void initDrawCellManager(){
+        if(Globals.drawCellManager == null){
             Globals.drawCellManager = new DrawCellManager(
-                Globals.clientWorldData,
+                    Globals.commonWorldData,
                     Globals.clientTerrainManager,
                     Globals.clientPlayerData.getWorldPositionX(),
                     Globals.clientPlayerData.getWorldPositionY()
-//                Globals.terrainManager.getDynamicInterpolationRatio(),
+    //                Globals.terrainManager.getDynamicInterpolationRatio(),
-//                Globals.terrainManager.getRandomDampener()
+    //                Globals.terrainManager.getRandomDampener()
             );
-        
+        } else {
+            //set our draw cell manager to actually generate drawable chunks
+            Globals.drawCellManager.setGenerateDrawables(true);
+        }
+        //wait for all the terrain data to arrive
+        if(Globals.RUN_CLIENT){
             while(Globals.drawCellManager.containsInvalidCell()){
-//            Globals.drawCellManager.updateInvalidCell();
+    //            Globals.drawCellManager.updateInvalidCell();
                 try {
                     TimeUnit.MILLISECONDS.sleep(10);
                 } catch (InterruptedException ex) {
                 }
-//            System.out.println("invalid cell");
+    //            System.out.println("invalid cell");
             }
             
             while(Globals.drawCellManager.containsUndrawableCell()){
-//            Globals.drawCellManager.makeCellDrawable();
+    //            Globals.drawCellManager.makeCellDrawable();
                 try {
                     TimeUnit.MILLISECONDS.sleep(10);
                 } catch (InterruptedException ex) {
                 }
-//            System.out.println("undrawable");
+    //            System.out.println("undrawable");
             }
             
             while(Globals.drawCellManager.containsPhysicsNeedingCell()){
@@ -452,6 +463,7 @@ public class LoadingThread extends Thread {
                 } catch (InterruptedException ex) {
                 }
             }
+        }
         System.out.println("Draw Cell Manager ready");
     }
     

src/main/java/electrosphere/entity/EntityUtils.java

@@ -79,6 +79,20 @@ public class EntityUtils {
         return rVal;
     }
 
+    /**
+     * Spawns an entity that has a position in the world, but isn't necessarily drawable
+     * @return the entity
+     */
+    public static Entity spawnSpatialEntity(){
+        Entity rVal = new Entity();
+//        rVal.putData(EntityDataStrings.DATA_STRING_MODEL_PATH, modelPath);
+        rVal.putData(EntityDataStrings.DATA_STRING_POSITION, new Vector3d(0,0,0));
+        rVal.putData(EntityDataStrings.DATA_STRING_ROTATION, new Quaternionf().identity());
+        rVal.putData(EntityDataStrings.DATA_STRING_SCALE, new Vector3f(1,1,1));
+        Globals.entityManager.registerEntity(rVal);
+        return rVal;
+    }
+    
     public static void cleanUpDrawableEntity(Entity e){
         if(e != null){
             Globals.entityManager.deregisterEntity(e);

src/main/java/electrosphere/game/client/cells/DrawCell.java

@@ -125,6 +125,13 @@ public class DrawCell {
     }
     
     public void generatePhysics(){
+        //if we're in no-graphics mode, need to generate the entity
+        if(modelEntity == null){
+            modelEntity = EntityUtils.spawnSpatialEntity();
+            modelEntity.putData(EntityDataStrings.TERRAIN_IS_TERRAIN, true);
+            EntityUtils.getPosition(modelEntity).set(new Vector3f(cellX * dynamicInterpolationRatio, 0.0f, cellY * dynamicInterpolationRatio));
+        }
+        //then actually perform the attach
         physicsObject = PhysicsUtils.attachTerrainRigidBody(modelEntity,heightmap);
         Globals.collisionEngine.registerPhysicsEntity(modelEntity);
 //        System.out.println("generate physics");

src/main/java/electrosphere/game/client/cells/DrawCellManager.java

@@ -2,7 +2,9 @@ package electrosphere.game.client.cells;
 
 import electrosphere.game.client.terrain.manager.ClientTerrainManager;
 import electrosphere.game.server.terrain.manager.ServerTerrainManager;
+import electrosphere.game.terrain.processing.TerrainInterpolator;
 import electrosphere.game.client.world.ClientWorldData;
+import electrosphere.game.collision.CommonWorldData;
 import electrosphere.main.Globals;
 import electrosphere.net.parser.net.message.TerrainMessage;
 import electrosphere.renderer.ShaderProgram;
@@ -54,22 +56,25 @@ public class DrawCellManager {
     int worldBoundDiscreteMax = 0;
     
     //metadata about the game world
-    ClientWorldData clientWorldData;
+    CommonWorldData commonWorldData;
     
     //client terrain manager
-    ClientTerrainManager clientTerrainManager;
+    // ClientTerrainManager clientTerrainManager;
     
     
     //ready to start updating?
     boolean update = false;
 
+    //controls whether we try to generate the drawable entities
+    //we want this to be false when in server-only mode
+    boolean generateDrawables = false;
     
     
-    public DrawCellManager(ClientWorldData clientWorldData, ClientTerrainManager clientTerrainManager, int discreteX, int discreteY){
+    
-        this.clientWorldData = clientWorldData;
+    public DrawCellManager(CommonWorldData commonWorldData, ClientTerrainManager clientTerrainManager, int discreteX, int discreteY){
-        worldBoundDiscreteMax = (int)(this.clientWorldData.getWorldBoundMax().x / this.clientWorldData.getDynamicInterpolationRatio() * 1.0f);
+        this.commonWorldData = commonWorldData;
-        this.clientTerrainManager = clientTerrainManager;
+        worldBoundDiscreteMax = (int)(commonWorldData.getWorldBoundMin().x / commonWorldData.getDynamicInterpolationRatio() * 1.0f);
-        this.miniCellWidth = miniCellWidth;
+        // this.clientTerrainManager = clientTerrainManager;
         cells = new DrawCell[drawRadius * 2 + 1][drawRadius * 2 + 1];
         valid = new boolean[drawRadius * 2 + 1][drawRadius * 2 + 1];
         drawable = new boolean[drawRadius * 2 + 1][drawRadius * 2 + 1];
@@ -148,17 +153,17 @@ public class DrawCellManager {
             
             if(
                     currentCellX >= 0 &&
-                    currentCellX < clientWorldData.getWorldDiscreteSize() &&
+                    currentCellX < commonWorldData.getWorldDiscreteSize() &&
                     currentCellY >= 0 &&
-                    currentCellY < clientWorldData.getWorldDiscreteSize()
+                    currentCellY < commonWorldData.getWorldDiscreteSize()
                     ){
-                if(clientTerrainManager.containsHeightmapAtDiscretePoint(currentCellX, currentCellY)){
+                if(containsHeightmapAtDiscretePoint(currentCellX, currentCellY)){
                     cells[targetX][targetY] = DrawCell.generateTerrainCell(
                             currentCellX,
                             currentCellY,
-                            clientTerrainManager.getHeightmapAtPoint(currentCellX, currentCellY),
+                            getHeightmapAtPoint(currentCellX, currentCellY),
-                            clientTerrainManager.getTextureMapAtPoint(currentCellX, currentCellY),
+                            getTextureMapAtPoint(currentCellX, currentCellY),
-                            clientWorldData.getDynamicInterpolationRatio(),
+                            commonWorldData.getDynamicInterpolationRatio(),
                             program
                     );
                     valid[targetX][targetY] = true;
@@ -207,9 +212,9 @@ public class DrawCellManager {
             int currentCellY = cellY - drawRadius + targetY;
             if(
                     currentCellX >= 0 &&
-                    currentCellX < clientWorldData.getWorldDiscreteSize() &&
+                    currentCellX < commonWorldData.getWorldDiscreteSize() &&
                     currentCellY >= 0 &&
-                    currentCellY < clientWorldData.getWorldDiscreteSize()
+                    currentCellY < commonWorldData.getWorldDiscreteSize()
                     ){
                 //physics radius calculation
 //                if(Math.abs(physicsRadius + 1 - targetX) < physicsRadius && Math.abs(physicsRadius + 1 - targetY) < physicsRadius){
@@ -217,8 +222,8 @@ public class DrawCellManager {
 //                }
                 //calculation for stride
                 int dist = (int)Math.sqrt((targetX - drawRadius)*(targetX - drawRadius) + (targetY - drawRadius) * (targetY - drawRadius));//Math.abs(targetX - drawRadius) * Math.abs(targetY - drawRadius);
-                int stride = Math.min(clientWorldData.getDynamicInterpolationRatio()/2, Math.max(1, dist / drawStepdownInterval * drawStepdownValue));
+                int stride = Math.min(commonWorldData.getDynamicInterpolationRatio()/2, Math.max(1, dist / drawStepdownInterval * drawStepdownValue));
-                while(clientWorldData.getDynamicInterpolationRatio() % stride != 0){
+                while(commonWorldData.getDynamicInterpolationRatio() % stride != 0){
                     stride = stride + 1;
                 }
                 //make drawable entity
@@ -251,16 +256,16 @@ public class DrawCellManager {
             int currentCellY = cellY - drawRadius + targetY;
             if(
                     currentCellX >= 0 &&
-                    currentCellX < clientWorldData.getWorldDiscreteSize() &&
+                    currentCellX < commonWorldData.getWorldDiscreteSize() &&
                     currentCellY >= 0 &&
-                    currentCellY < clientWorldData.getWorldDiscreteSize()
+                    currentCellY < commonWorldData.getWorldDiscreteSize()
                     ){
 //                if(Math.abs(drawRadius + 1 - targetX) < physicsRadius && Math.abs(drawRadius + 1 - targetY) < physicsRadius){
 //                    needsPhysics[targetX][targetY] = true;
 //                }
                 int dist = (int)Math.sqrt((targetX - drawRadius)*(targetX - drawRadius) + (targetY - drawRadius) * (targetY - drawRadius)); //Math.abs(targetX - drawRadius) * Math.abs(targetY - drawRadius);
-                int stride = Math.min(clientWorldData.getDynamicInterpolationRatio()/2, Math.max(1, dist / drawStepdownInterval * drawStepdownValue));
+                int stride = Math.min(commonWorldData.getDynamicInterpolationRatio()/2, Math.max(1, dist / drawStepdownInterval * drawStepdownValue));
-                while(clientWorldData.getDynamicInterpolationRatio() % stride != 0){
+                while(commonWorldData.getDynamicInterpolationRatio() % stride != 0){
                     stride = stride + 1;
                 }
                 cells[targetX][targetY].generateDrawableEntity(stride);
@@ -289,7 +294,7 @@ public class DrawCellManager {
     public boolean containsUndrawableCell(){
         for(int x = 0;x < drawRadius * 2 + 1; x++){
             for(int y = 0; y < drawRadius * 2 + 1; y++){
-                if(!drawable[x][y]){
+                if(!drawable[x][y] && this.generateDrawables){
                     return true;
                 }
             }
@@ -300,7 +305,7 @@ public class DrawCellManager {
     public boolean containsUpdateableCell(){
         for(int x = 0;x < drawRadius * 2 + 1; x++){
             for(int y = 0; y < drawRadius * 2 + 1; y++){
-                if(updateable[x][y]){
+                if(updateable[x][y] && this.generateDrawables){
                     return true;
                 }
             }
@@ -343,9 +348,9 @@ public class DrawCellManager {
             int currentCellY = cellY - physicsRadius + targetY;
             if(
                     currentCellX >= 0 &&
-                    currentCellX < clientWorldData.getWorldDiscreteSize() &&
+                    currentCellX < commonWorldData.getWorldDiscreteSize() &&
                     currentCellY >= 0 &&
-                    currentCellY < clientWorldData.getWorldDiscreteSize()
+                    currentCellY < commonWorldData.getWorldDiscreteSize()
                     ){
 //                if(Math.abs(drawRadius + 1 - targetX) < physicsRadius && Math.abs(drawRadius + 1 - targetY) < physicsRadius){
 //                    needsPhysics[targetX][targetY] = true;
@@ -530,7 +535,7 @@ public class DrawCellManager {
     
     
     public int transformRealSpaceToCellSpace(double input){
-        return (int)(input / clientWorldData.getDynamicInterpolationRatio());
+        return (int)(input / commonWorldData.getDynamicInterpolationRatio());
     }
     
     
@@ -648,6 +653,46 @@ public class DrawCellManager {
         return worldX <= cellX + physicsRadius && worldX >= cellX - physicsRadius && worldY <= cellY + physicsRadius && worldY >= cellY - physicsRadius;
     }
 
+    public void setGenerateDrawables(boolean generate){
+        this.generateDrawables = generate;
+    }
+
+    boolean containsHeightmapAtDiscretePoint(int currentCellX, int currentCellY){
+        if(Globals.clientTerrainManager != null){
+            return Globals.clientTerrainManager.containsHeightmapAtDiscretePoint(currentCellX, currentCellY);
+        }
+        return true;
+    }
+
+    float[][] getHeightmapAtPoint(int currentCellX, int currentCellY){
+        if(Globals.clientTerrainManager != null){
+            return Globals.clientTerrainManager.getHeightmapAtPoint(currentCellX, currentCellY);
+        }
+        return Globals.serverTerrainManager.getChunk(currentCellX, currentCellY).getHeightMap();
+    }
+
+    float[][] getTextureMapAtPoint(int currentCellX, int currentCellY){
+        if(Globals.clientTerrainManager != null){
+            return Globals.clientTerrainManager.getTextureMapAtPoint(currentCellX,currentCellY);
+        } else {
+            //hacky fix to +2 to this, I think the interpolation ratio was different for server/client data
+            //now that we're merging/ambiguous within this class, it's out of bounds-ing unless I +2
+            //TODO: investigate
+            float[][] rVal = new float[commonWorldData.getDynamicInterpolationRatio() + 2][commonWorldData.getDynamicInterpolationRatio() + 2];
+            rVal[1][1] = 1;
+            rVal[2][1] = 1;
+            rVal[3][1] = 1;
+            rVal[4][1] = 1;
+            rVal[5][1] = 1;
+            rVal[5][2] = 1;
+            rVal[6][1] = 1;
+            rVal[6][2] = 1;
+            return rVal;
+        }
+    }
+
+
+    
 //    public 
     
 }

src/main/java/electrosphere/game/collision/CommonWorldData.java

@@ -79,4 +79,29 @@ public class CommonWorldData {
             return serverWorldData.convertRealToChunkSpace(real);
         }
     }
+
+    public int getDynamicInterpolationRatio(){
+        if(clientWorldData != null){
+            return clientWorldData.getDynamicInterpolationRatio();
+        } else {
+            return serverWorldData.getDynamicInterpolationRatio();
+        }
+    }
+
+    public int getWorldDiscreteSize(){
+        if(clientWorldData != null){
+            return clientWorldData.getWorldDiscreteSize();
+        } else {
+            return serverWorldData.getWorldSizeDiscrete();
+        }
+    }
+
+    public float getRandomDampener(){
+        if(clientWorldData != null){
+            return clientWorldData.getRandomDampener();
+        } else {
+            return serverWorldData.getRandomDampener();
+        }
+    }
+
 }

src/main/java/electrosphere/net/client/ClientNetworking.java

@@ -35,8 +35,10 @@ import org.apache.commons.crypto.stream.CryptoOutputStream;
  */
 public class ClientNetworking implements Runnable{
     
+    String address;
+    int port;
     
-    Socket socket;
+    public Socket socket;
 //    CryptoInputStream inputStream;
 //    CryptoOutputStream outputStream;
     InputStream inputStream;
@@ -49,27 +51,8 @@ public class ClientNetworking implements Runnable{
     static final int MAX_CONNECTION_ATTEMPTS = 10;
     
     public ClientNetworking(String address, int port){
-        int connectionAttempts = 0;
+        this.address = address;
-        boolean connected = false;
+        this.port = port;
-        while(!connected){
-            try {
-                this.socket = new Socket(address,port);
-            } catch (IOException ex) {
-                LoggerInterface.loggerNetworking.WARNING("Client failed to connect!");
-            } finally {
-                connected = true;
-            }
-            if(!connected){
-                try {
-                    TimeUnit.MILLISECONDS.sleep(50);
-                } catch (InterruptedException e) {}
-                connectionAttempts++;
-            }
-            if(connectionAttempts > MAX_CONNECTION_ATTEMPTS){
-                LoggerInterface.loggerNetworking.ERROR("Max client connection attempts!", new Exception());
-                System.exit(1);
-            }
-        }
     }
     
     
@@ -92,14 +75,39 @@ public class ClientNetworking implements Runnable{
 //            ex.printStackTrace();
 //            System.exit(1);
 //        }
+
+        //attempt connection
+        int connectionAttempts = 0;
+        boolean connected = false;
+        while(!connected){
+            try {
+                this.socket = new Socket(address,port);
+                connected = true;
+            } catch (IOException ex) {
+                LoggerInterface.loggerNetworking.WARNING("Client failed to connect!");
+            }
+            if(!connected){
+                try {
+                    TimeUnit.MILLISECONDS.sleep(50);
+                } catch (InterruptedException e) {}
+                connectionAttempts++;
+            }
+            if(connectionAttempts > MAX_CONNECTION_ATTEMPTS){
+                LoggerInterface.loggerNetworking.ERROR("Max client connection attempts!", new Exception());
+                System.exit(1);
+            }
+        }
+
+        //create parser
         try {
             inputStream = socket.getInputStream();
             outputStream = socket.getOutputStream();
             parser = new NetworkParser(inputStream,outputStream);
         } catch (IOException ex) {
-            Logger.getLogger(ClientNetworking.class.getName()).log(Level.SEVERE, null, ex);
+            LoggerInterface.loggerNetworking.ERROR("Error on client socket", ex);
         }
         
+        //start parsing messages
         initialized = true;
         while(Main.isRunning()){
             //attempt poll incoming messages
@@ -107,6 +115,7 @@ public class ClientNetworking implements Runnable{
             //outgoing messages
             parser.pushMessagesOut();
         }
+        
     }