159b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta/* 259b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * Copyright (c) 2009-2010 jMonkeyEngine 359b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * All rights reserved. 459b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * 559b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * Redistribution and use in source and binary forms, with or without 659b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * modification, are permitted provided that the following conditions are 759b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * met: 859b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * 959b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * * Redistributions of source code must retain the above copyright 1059b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * notice, this list of conditions and the following disclaimer. 1159b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * 1259b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * * Redistributions in binary form must reproduce the above copyright 1359b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * notice, this list of conditions and the following disclaimer in the 1459b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * documentation and/or other materials provided with the distribution. 1559b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * 1659b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * * Neither the name of 'jMonkeyEngine' nor the names of its contributors 1759b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * may be used to endorse or promote products derived from this software 1859b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * without specific prior written permission. 1959b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * 2059b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 2159b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 2259b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 2359b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR 2459b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 2559b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 2659b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 2759b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF 2859b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 2959b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 3059b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 3159b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta */ 3259b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 3359b2e6871c65f58fdad78cd7229c292f6a177578Scott Bartapackage com.jme3.terrain.geomipmap; 3459b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 3559b2e6871c65f58fdad78cd7229c292f6a177578Scott Bartaimport com.jme3.scene.VertexBuffer.Type; 3659b2e6871c65f58fdad78cd7229c292f6a177578Scott Bartaimport java.nio.IntBuffer; 3759b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 3859b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta/** 3959b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * Stores a terrain patch's details so the LOD background thread can update 4059b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * the actual terrain patch back on the ogl thread. 4159b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * 4259b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * @author Brent Owens 4359b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * 4459b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta */ 4559b2e6871c65f58fdad78cd7229c292f6a177578Scott Bartapublic class UpdatedTerrainPatch { 4659b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 4759b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta private TerrainPatch updatedPatch; 4859b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta private int newLod; 4959b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta private int previousLod; 5059b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta private int rightLod,topLod,leftLod,bottomLod; 5159b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta private IntBuffer newIndexBuffer; 5259b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta private boolean reIndexNeeded = false; 5359b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta private boolean fixEdges = false; 5459b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 5559b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta public UpdatedTerrainPatch(TerrainPatch updatedPatch, int newLod) { 5659b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta this.updatedPatch = updatedPatch; 5759b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta this.newLod = newLod; 5859b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta } 5959b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 6059b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta public UpdatedTerrainPatch(TerrainPatch updatedPatch, int newLod, int prevLOD, boolean reIndexNeeded) { 6159b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta this.updatedPatch = updatedPatch; 6259b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta this.newLod = newLod; 6359b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta this.previousLod = prevLOD; 6459b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta this.reIndexNeeded = reIndexNeeded; 6559b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta if (this.newLod <= 0) 6659b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta throw new IllegalArgumentException(); 6759b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta } 6859b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 6959b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta public String getName() { 7059b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta return updatedPatch.getName(); 7159b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta } 7259b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 7359b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta protected boolean lodChanged() { 7459b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta if (reIndexNeeded && previousLod != newLod) 7559b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta return true; 7659b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta else 7759b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta return false; 7859b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta } 7959b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 8059b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta protected TerrainPatch getUpdatedPatch() { 8159b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta return updatedPatch; 8259b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta } 8359b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 8459b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta protected void setUpdatedPatch(TerrainPatch updatedPatch) { 8559b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta this.updatedPatch = updatedPatch; 8659b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta } 8759b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 8859b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta protected int getNewLod() { 8959b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta return newLod; 9059b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta } 9159b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 9259b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta public void setNewLod(int newLod) { 9359b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta this.newLod = newLod; 9459b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta if (this.newLod < 0) 9559b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta throw new IllegalArgumentException(); 9659b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta } 9759b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 9859b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta protected IntBuffer getNewIndexBuffer() { 9959b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta return newIndexBuffer; 10059b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta } 10159b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 10259b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta protected void setNewIndexBuffer(IntBuffer newIndexBuffer) { 10359b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta this.newIndexBuffer = newIndexBuffer; 10459b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta } 10559b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 10659b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 10759b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta protected int getRightLod() { 10859b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta return rightLod; 10959b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta } 11059b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 11159b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 11259b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta protected void setRightLod(int rightLod) { 11359b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta this.rightLod = rightLod; 11459b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta } 11559b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 11659b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 11759b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta protected int getTopLod() { 11859b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta return topLod; 11959b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta } 12059b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 12159b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 12259b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta protected void setTopLod(int topLod) { 12359b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta this.topLod = topLod; 12459b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta } 12559b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 12659b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 12759b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta protected int getLeftLod() { 12859b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta return leftLod; 12959b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta } 13059b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 13159b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 13259b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta protected void setLeftLod(int leftLod) { 13359b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta this.leftLod = leftLod; 13459b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta } 13559b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 13659b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 13759b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta protected int getBottomLod() { 13859b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta return bottomLod; 13959b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta } 14059b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 14159b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 14259b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta protected void setBottomLod(int bottomLod) { 14359b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta this.bottomLod = bottomLod; 14459b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta } 14559b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 14659b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta public boolean isReIndexNeeded() { 14759b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta return reIndexNeeded; 14859b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta } 14959b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 15059b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta public void setReIndexNeeded(boolean reIndexNeeded) { 15159b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta this.reIndexNeeded = reIndexNeeded; 15259b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta } 15359b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 15459b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta public boolean isFixEdges() { 15559b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta return fixEdges; 15659b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta } 15759b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 15859b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta public void setFixEdges(boolean fixEdges) { 15959b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta this.fixEdges = fixEdges; 16059b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta } 16159b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 16259b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta public int getPreviousLod() { 16359b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta return previousLod; 16459b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta } 16559b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 16659b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta public void setPreviousLod(int previousLod) { 16759b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta this.previousLod = previousLod; 16859b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta } 16959b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 17059b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta public void updateAll() { 17159b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta updatedPatch.setLod(newLod); 17259b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta updatedPatch.setLodRight(rightLod); 17359b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta updatedPatch.setLodTop(topLod); 17459b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta updatedPatch.setLodLeft(leftLod); 17559b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta updatedPatch.setLodBottom(bottomLod); 17659b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta if (newIndexBuffer != null && (reIndexNeeded || fixEdges)) { 17759b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta updatedPatch.setPreviousLod(previousLod); 17859b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta updatedPatch.getMesh().clearBuffer(Type.Index); 17959b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta updatedPatch.getMesh().setBuffer(Type.Index, 3, newIndexBuffer); 18059b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta } 18159b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta } 18259b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 18359b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta} 184