/*
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* Java port of Bullet (c) 2008 Martin Dvorak <jezek2@advel.cz>
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*
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* Bullet Continuous Collision Detection and Physics Library
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* Copyright (c) 2003-2008 Erwin Coumans http://www.bulletphysics.com/
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*
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* This software is provided 'as-is', without any express or implied warranty.
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* In no event will the authors be held liable for any damages arising from
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* the use of this software.
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*
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* Permission is granted to anyone to use this software for any purpose,
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* including commercial applications, and to alter it and redistribute it
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* freely, subject to the following restrictions:
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*
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* 1. The origin of this software must not be misrepresented; you must not
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* claim that you wrote the original software. If you use this software
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* in a product, an acknowledgment in the product documentation would be
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* appreciated but is not required.
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* 2. Altered source versions must be plainly marked as such, and must not be
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* misrepresented as being the original software.
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* 3. This notice may not be removed or altered from any source distribution.
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*/
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package com.bulletphysics.collision.shapes;
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import java.nio.ByteBuffer;
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import javax.vecmath.Tuple3f;
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/**
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*
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* @author jezek2
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*/
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public class ByteBufferVertexData extends VertexData {
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public ByteBuffer vertexData;
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public int vertexCount;
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public int vertexStride;
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public ScalarType vertexType;
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public ByteBuffer indexData;
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public int indexCount;
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public int indexStride;
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public ScalarType indexType;
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@Override
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public int getVertexCount() {
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return vertexCount;
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}
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@Override
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public int getIndexCount() {
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return indexCount;
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}
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@Override
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public <T extends Tuple3f> T getVertex(int idx, T out) {
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int off = idx*vertexStride;
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out.x = vertexData.getFloat(off+4*0);
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out.y = vertexData.getFloat(off+4*1);
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out.z = vertexData.getFloat(off+4*2);
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return out;
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}
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@Override
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public void setVertex(int idx, float x, float y, float z) {
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int off = idx*vertexStride;
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vertexData.putFloat(off+4*0, x);
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vertexData.putFloat(off+4*1, y);
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vertexData.putFloat(off+4*2, z);
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}
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@Override
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public int getIndex(int idx) {
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if (indexType == ScalarType.SHORT) {
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return indexData.getShort(idx*indexStride) & 0xFFFF;
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}
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else if (indexType == ScalarType.INTEGER) {
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return indexData.getInt(idx*indexStride);
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}
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else {
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throw new IllegalStateException("indicies type must be short or integer");
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}
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}
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}
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