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/*
* Java port of Bullet (c) 2008 Martin Dvorak <jezek2@advel.cz>
*
* Bullet Continuous Collision Detection and Physics Library
* Copyright (c) 2003-2007 Erwin Coumans http://continuousphysics.com/Bullet/
*
* This software is provided 'as-is', without any express or implied warranty.
* In no event will the authors be held liable for any damages arising from
* the use of this software.
*
* Permission is granted to anyone to use this software for any purpose,
* including commercial applications, and to alter it and redistribute it
* freely, subject to the following restrictions:
*
* 1. The origin of this software must not be misrepresented; you must not
* claim that you wrote the original software. If you use this software
* in a product, an acknowledgment in the product documentation would be
* appreciated but is not required.
* 2. Altered source versions must be plainly marked as such, and must not be
* misrepresented as being the original software.
* 3. This notice may not be removed or altered from any source distribution.
*/
package javabullet.collision.shapes;
import java.nio.ByteBuffer;
import java.util.ArrayList;
import java.util.List;
/**
*
* @author jezek2
*/
public class TriangleIndexVertexArray extends StridingMeshInterface {
private List<IndexedMesh> indexedMeshes = new ArrayList<IndexedMesh>();
public TriangleIndexVertexArray() {
}
/**
* Just to be backwards compatible.
*/
public TriangleIndexVertexArray(int numTriangles, ByteBuffer triangleIndexBase, int triangleIndexStride, int numVertices, ByteBuffer vertexBase, int vertexStride) {
IndexedMesh mesh = new IndexedMesh();
mesh.numTriangles = numTriangles;
mesh.triangleIndexBase = triangleIndexBase;
mesh.triangleIndexStride = triangleIndexStride;
mesh.numVertices = numVertices;
mesh.vertexBase = vertexBase;
mesh.vertexStride = vertexStride;
addIndexedMesh(mesh);
}
public void addIndexedMesh(IndexedMesh mesh) {
addIndexedMesh(mesh, ScalarType.PHY_INTEGER);
}
public void addIndexedMesh(IndexedMesh mesh, ScalarType indexType) {
indexedMeshes.add(mesh);
indexedMeshes.get(indexedMeshes.size() - 1).indexType = indexType;
}
@Override
public void getLockedVertexIndexBase(VertexData data, int subpart) {
assert (subpart < getNumSubParts());
IndexedMesh mesh = indexedMeshes.get(subpart);
data.numverts = mesh.numVertices;
data.vertexbase = mesh.vertexBase;
//#ifdef BT_USE_DOUBLE_PRECISION
//type = PHY_DOUBLE;
//#else
data.type = ScalarType.PHY_FLOAT;
//#endif
data.stride = mesh.vertexStride;
data.numfaces = mesh.numTriangles;
data.indexbase = mesh.triangleIndexBase;
data.indexstride = mesh.triangleIndexStride;
data.indicestype = mesh.indexType;
}
@Override
public void getLockedReadOnlyVertexIndexBase(VertexData data, int subpart) {
IndexedMesh mesh = indexedMeshes.get(subpart);
data.numverts = mesh.numVertices;
data.vertexbase = mesh.vertexBase;
//#ifdef BT_USE_DOUBLE_PRECISION
//type = PHY_DOUBLE;
//#else
data.type = ScalarType.PHY_FLOAT;
//#endif
data.stride = mesh.vertexStride;
data.numfaces = mesh.numTriangles;
data.indexbase = mesh.triangleIndexBase;
data.indexstride = mesh.triangleIndexStride;
data.indicestype = mesh.indexType;
}
/**
* unLockVertexBase finishes the access to a subpart of the triangle mesh.
* Make a call to unLockVertexBase when the read and write access (using getLockedVertexIndexBase) is finished.
*/
@Override
public void unLockVertexBase(int subpart) {
}
@Override
public void unLockReadOnlyVertexBase(int subpart) {
}
/**
* getNumSubParts returns the number of seperate subparts.
* Each subpart has a continuous array of vertices and indices.
*/
@Override
public int getNumSubParts() {
return indexedMeshes.size();
}
public List<IndexedMesh> getIndexedMeshArray() {
return indexedMeshes;
}
@Override
public void preallocateVertices(int numverts) {
}
@Override
public void preallocateIndices(int numindices) {
}
}
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