src/main/java/electrosphere/client/terrain/cells/ClientDrawCellManager.java

@@ -53,7 +53,7 @@ public class ClientDrawCellManager {
     /**
      * The distance for sixteenth resolution
      */
-    public static final double SIXTEENTH_RES_DIST = 48 * ServerTerrainChunk.CHUNK_DIMENSION;
+    public static final double SIXTEENTH_RES_DIST = 128 * ServerTerrainChunk.CHUNK_DIMENSION;
 
     /**
      * Lod value for a full res chunk
@@ -237,8 +237,9 @@ public class ClientDrawCellManager {
             List<DrawCellFace> highResFaces = this.solveHighResFace(node);
 
             //actually send requests
-            this.requestChunks(node, highResFaces);
+            if(this.requestChunks(node, highResFaces)){
-            cell.setHasRequested(true);
+                cell.setHasRequested(true);
+            }
 
             Globals.profiler.endCpuSample();
             updated = true;

src/main/java/electrosphere/client/terrain/manager/ClientTerrainManager.java

@@ -45,7 +45,12 @@ public class ClientTerrainManager {
     /**
      * Maximum concurrent terrain requests
      */
-    public static  final int MAX_CONCURRENT_REQUESTS = 500;
+    public static final int MAX_CONCURRENT_REQUESTS = 500;
+
+    /**
+     * Number of frames to wait before flagging a request as failed
+     */
+    public static final int FAILED_REQUEST_THRESHOLD = 500;
     
     //The interpolation ratio of terrain
     public static final int INTERPOLATION_RATIO = ServerTerrainManager.SERVER_TERRAIN_MANAGER_INTERPOLATION_RATIO;
@@ -70,7 +75,7 @@ public class ClientTerrainManager {
     /**
      * Tracks what outgoing requests are currently active
      */
-    Map<Long,Boolean> requestedMap = new ConcurrentHashMap<Long,Boolean>();
+    Map<Long,Integer> requestedMap = new ConcurrentHashMap<Long,Integer>();
     
     /**
      * Constructor
@@ -158,6 +163,15 @@ public class ClientTerrainManager {
         for(TerrainMessage message : bouncedMessages){
             messageQueue.add(message);
         }
+        //evaluate if any chunks have failed to request
+        for(Long key : this.requestedMap.keySet()){
+            int duration = this.requestedMap.get(key);
+            if(duration > FAILED_REQUEST_THRESHOLD){
+                this.requestedMap.remove(key);
+            } else {
+                this.requestedMap.put(key,duration + 1);
+            }
+        }
         lock.release();
         Globals.profiler.endCpuSample();
     }
@@ -219,7 +233,7 @@ public class ClientTerrainManager {
                 worldZ,
                 stride
             ));
-            this.requestedMap.put(this.getRequestKey(worldX, worldY, worldZ, stride), true);
+            this.requestedMap.put(this.getRequestKey(worldX, worldY, worldZ, stride), 0);
             rVal = true;
         }
         lock.release();

src/main/java/electrosphere/server/terrain/generation/TestGenerationChunkGenerator.java

@@ -24,7 +24,7 @@ public class TestGenerationChunkGenerator implements ChunkGenerator {
     /**
      * The size of the realm for testing generation
      */
-    public static final int GENERATOR_REALM_SIZE = 64;
+    public static final int GENERATOR_REALM_SIZE = 512;
 
     /**
      * The default biome index