/*
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* Java port of Bullet (c) 2008 Martin Dvorak <jezek2@advel.cz>
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*
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* This source file is part of GIMPACT Library.
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*
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* For the latest info, see http://gimpact.sourceforge.net/
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*
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* Copyright (c) 2007 Francisco Leon Najera. C.C. 80087371.
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* email: projectileman@yahoo.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.extras.gimpact;
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import com.bulletphysics.collision.shapes.CollisionShape;
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/**
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*
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* @author jezek2
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*/
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class GIM_ShapeRetriever {
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public GImpactShapeInterface gim_shape;
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public TriangleShapeEx trishape = new TriangleShapeEx();
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public TetrahedronShapeEx tetrashape = new TetrahedronShapeEx();
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public ChildShapeRetriever child_retriever = new ChildShapeRetriever();
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public TriangleShapeRetriever tri_retriever = new TriangleShapeRetriever();
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public TetraShapeRetriever tetra_retriever = new TetraShapeRetriever();
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public ChildShapeRetriever current_retriever;
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public GIM_ShapeRetriever(GImpactShapeInterface gim_shape) {
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this.gim_shape = gim_shape;
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// select retriever
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if (gim_shape.needsRetrieveTriangles()) {
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current_retriever = tri_retriever;
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}
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else if (gim_shape.needsRetrieveTetrahedrons()) {
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current_retriever = tetra_retriever;
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}
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else {
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current_retriever = child_retriever;
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}
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current_retriever.parent = this;
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}
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public CollisionShape getChildShape(int index) {
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return current_retriever.getChildShape(index);
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}
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////////////////////////////////////////////////////////////////////////////
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public static class ChildShapeRetriever {
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public GIM_ShapeRetriever parent;
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public CollisionShape getChildShape(int index) {
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return parent.gim_shape.getChildShape(index);
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}
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}
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public static class TriangleShapeRetriever extends ChildShapeRetriever {
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@Override
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public CollisionShape getChildShape(int index) {
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parent.gim_shape.getBulletTriangle(index, parent.trishape);
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return parent.trishape;
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}
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}
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public static class TetraShapeRetriever extends ChildShapeRetriever {
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@Override
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public CollisionShape getChildShape(int index) {
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parent.gim_shape.getBulletTetrahedron(index, parent.tetrashape);
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return parent.tetrashape;
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}
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}
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}
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