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/*
* Copyright (c) 2009-2010 jMonkeyEngine
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* * Neither the name of 'jMonkeyEngine' nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
package com.jme3.terrain.geomipmap;
import com.jme3.scene.VertexBuffer.Type;
import java.nio.IntBuffer;
/**
* Stores a terrain patch's details so the LOD background thread can update
* the actual terrain patch back on the ogl thread.
*
* @author Brent Owens
*
*/
public class UpdatedTerrainPatch {
private TerrainPatch updatedPatch;
private int newLod;
private int previousLod;
private int rightLod,topLod,leftLod,bottomLod;
private IntBuffer newIndexBuffer;
private boolean reIndexNeeded = false;
private boolean fixEdges = false;
public UpdatedTerrainPatch(TerrainPatch updatedPatch, int newLod) {
this.updatedPatch = updatedPatch;
this.newLod = newLod;
}
public UpdatedTerrainPatch(TerrainPatch updatedPatch, int newLod, int prevLOD, boolean reIndexNeeded) {
this.updatedPatch = updatedPatch;
this.newLod = newLod;
this.previousLod = prevLOD;
this.reIndexNeeded = reIndexNeeded;
if (this.newLod <= 0)
throw new IllegalArgumentException();
}
public String getName() {
return updatedPatch.getName();
}
protected boolean lodChanged() {
if (reIndexNeeded && previousLod != newLod)
return true;
else
return false;
}
protected TerrainPatch getUpdatedPatch() {
return updatedPatch;
}
protected void setUpdatedPatch(TerrainPatch updatedPatch) {
this.updatedPatch = updatedPatch;
}
protected int getNewLod() {
return newLod;
}
public void setNewLod(int newLod) {
this.newLod = newLod;
if (this.newLod < 0)
throw new IllegalArgumentException();
}
protected IntBuffer getNewIndexBuffer() {
return newIndexBuffer;
}
protected void setNewIndexBuffer(IntBuffer newIndexBuffer) {
this.newIndexBuffer = newIndexBuffer;
}
protected int getRightLod() {
return rightLod;
}
protected void setRightLod(int rightLod) {
this.rightLod = rightLod;
}
protected int getTopLod() {
return topLod;
}
protected void setTopLod(int topLod) {
this.topLod = topLod;
}
protected int getLeftLod() {
return leftLod;
}
protected void setLeftLod(int leftLod) {
this.leftLod = leftLod;
}
protected int getBottomLod() {
return bottomLod;
}
protected void setBottomLod(int bottomLod) {
this.bottomLod = bottomLod;
}
public boolean isReIndexNeeded() {
return reIndexNeeded;
}
public void setReIndexNeeded(boolean reIndexNeeded) {
this.reIndexNeeded = reIndexNeeded;
}
public boolean isFixEdges() {
return fixEdges;
}
public void setFixEdges(boolean fixEdges) {
this.fixEdges = fixEdges;
}
public int getPreviousLod() {
return previousLod;
}
public void setPreviousLod(int previousLod) {
this.previousLod = previousLod;
}
public void updateAll() {
updatedPatch.setLod(newLod);
updatedPatch.setLodRight(rightLod);
updatedPatch.setLodTop(topLod);
updatedPatch.setLodLeft(leftLod);
updatedPatch.setLodBottom(bottomLod);
if (newIndexBuffer != null && (reIndexNeeded || fixEdges)) {
updatedPatch.setPreviousLod(previousLod);
updatedPatch.getMesh().clearBuffer(Type.Index);
updatedPatch.getMesh().setBuffer(Type.Index, 3, newIndexBuffer);
}
}
}
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