mem pool visualization

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

@@ -44,5 +44,13 @@ public class TerrainChunkDataPool {
         TerrainChunkDataPool.pool.add(data);
         lock.unlock();
     }
+
+    /**
+     * Gets the size of the chunk pool
+     * @return The size of the chunk pool
+     */
+    public static int getPoolSize(){
+        return pool.size();
+    }
     
 }

src/main/java/electrosphere/client/ui/menu/debug/perf/ImGuiMemory.java

@@ -4,7 +4,9 @@ import java.lang.management.GarbageCollectorMXBean;
 import java.lang.management.ManagementFactory;
 import java.util.List;
 
+import electrosphere.client.terrain.data.TerrainChunkDataPool;
 import electrosphere.engine.Globals;
+import electrosphere.mem.BlockChunkPool;
 import electrosphere.renderer.ui.imgui.ImGuiLinePlot;
 import electrosphere.renderer.ui.imgui.ImGuiLinePlot.ImGuiLinePlotDataset;
 import electrosphere.renderer.ui.imgui.ImGuiWindow;
@@ -73,6 +75,11 @@ public class ImGuiMemory {
                     System.gc();
                 }
 
+                if(ImGui.collapsingHeader("Object Pools")){
+                    ImGui.text("Block Chunk Pool: " + BlockChunkPool.getPoolSize());
+                    ImGui.text("Terrain Chunk Pool: " + TerrainChunkDataPool.getPoolSize());
+                }
+
                 //memory usage graph
                 memoryGraphDataset.addPoint(memoryUsage);
                 memoryGraph.draw();

src/main/java/electrosphere/mem/BlockChunkPool.java

@@ -50,4 +50,12 @@ public class BlockChunkPool {
         lock.unlock();
     }
 
+    /**
+     * Gets the size of the short pool
+     * @return The size of the short pool
+     */
+    public static int getPoolSize(){
+        return shortPool.size();
+    }
+
 }