Make visibility and sentness to gpu independent

4 files changed, 26 insertions, 17 deletions

diff --git a/src/main/java/makamys/lodmod/renderer/ChunkMesh.java b/src/main/java/makamys/lodmod/renderer/ChunkMesh.java
index eef8ecd..33814a6 100644
--- a/src/main/java/makamys/lodmod/renderer/ChunkMesh.java
+++ b/src/main/java/makamys/lodmod/renderer/ChunkMesh.java
@@ -96,13 +96,14 @@ public class ChunkMesh extends Mesh {
     }
     
     @Override
-    public void onVisibilityChanged() {
-        if(visible) {
-            this.buffer = createBuffer(((NBTTagByteArray)nbtData).func_150292_c(), nameList);
-        } else {
-            usedRAM -= buffer.limit();
-            this.buffer = null;
-        }
+    public void prepareBuffer() {
+        this.buffer = createBuffer(((NBTTagByteArray)nbtData).func_150292_c(), nameList);
+    }
+    
+    @Override
+    public void destroyBuffer(){
+        usedRAM -= buffer.limit();
+        this.buffer = null;
     }
 
     private ByteBuffer createBuffer(byte[] data, List<String> stringTable) {
diff --git a/src/main/java/makamys/lodmod/renderer/LODChunk.java b/src/main/java/makamys/lodmod/renderer/LODChunk.java
index a0adfe2..bc17c90 100644
--- a/src/main/java/makamys/lodmod/renderer/LODChunk.java
+++ b/src/main/java/makamys/lodmod/renderer/LODChunk.java
@@ -65,7 +65,7 @@ public class LODChunk {
 			        newChunkMesh.pass = i;
 			    }
 			    
-			    renderer.setMeshVisible(chunkMeshes[cy * 2 + i], false);
+			    renderer.removeMesh(chunkMeshes[cy * 2 + i]);
 			    chunkMeshes[cy * 2 + i].destroy();
 			}
 		    chunkMeshes[cy * 2 + i] = newChunkMesh;
diff --git a/src/main/java/makamys/lodmod/renderer/LODRenderer.java b/src/main/java/makamys/lodmod/renderer/LODRenderer.java
index 8aa3955..95273c4 100644
--- a/src/main/java/makamys/lodmod/renderer/LODRenderer.java
+++ b/src/main/java/makamys/lodmod/renderer/LODRenderer.java
@@ -247,7 +247,7 @@ public class LODRenderer {
 	    
 	    glBindVertexArray(VAO);
         glBindBuffer(GL_ARRAY_BUFFER, VBO);
-	    
+	        
         int[] deletedNum = new int[2];
         int deletedRAM = 0;
         
@@ -277,6 +277,8 @@ public class LODRenderer {
                     mesh.iFirst = mesh.offset = -1;
                     mesh.visible = false;
                     mesh.gpuStatus = GPUStatus.UNSENT;
+                    mesh.destroyBuffer();
+                    
                     it.remove();
                     deletedNum[i]++;
                     deletedRAM += mesh.bufferSize();
@@ -587,20 +589,24 @@ public class LODRenderer {
 		
 		if(mesh.visible != visible) {
 		    mesh.visible = visible;
-		    mesh.onVisibilityChanged();
-			if(!visible) {
-				deleteMeshFromGPU(mesh);
-			} else if(visible) {
-			    sendMeshToGPU(mesh);
-			}
+		    
+		    if(mesh.gpuStatus == GPUStatus.UNSENT) {
+		        sendMeshToGPU(mesh);
+		    }
 		}
 	}
 	
+	public void removeMesh(Mesh mesh) {
+	    deleteMeshFromGPU(mesh);
+	}
+	
 	private void sendMeshToGPU(Mesh mesh) {
         if(mesh == null) {
             return;
         }
-        if(mesh.gpuStatus == GPUStatus.UNSENT) {   
+        if(mesh.gpuStatus == GPUStatus.UNSENT) {
+            mesh.prepareBuffer();
+            
             glBindVertexArray(VAO);
             glBindBuffer(GL_ARRAY_BUFFER, VBO);
             
diff --git a/src/main/java/makamys/lodmod/renderer/Mesh.java b/src/main/java/makamys/lodmod/renderer/Mesh.java
index fca742c..ca645e8 100644
--- a/src/main/java/makamys/lodmod/renderer/Mesh.java
+++ b/src/main/java/makamys/lodmod/renderer/Mesh.java
@@ -19,7 +19,6 @@ public abstract class Mesh {
 	int x, y, z;
 	
 	public abstract int getStride();
-	public void onVisibilityChanged() {}
 	
 	public double distSq(double x2, double y2, double z2) {
 	    return Util.distSq(x, y, z, x2, y2, z2);
@@ -33,6 +32,9 @@ public abstract class Mesh {
 	    return bufferSize;
 	}
 	
+	public void prepareBuffer() {}
+	public void destroyBuffer() {}
+	
 	public static enum GPUStatus {
 	    UNSENT, SENT, PENDING_DELETE
 	}