/*
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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.extras.gimpact.BoxCollision.AABB;
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import javax.vecmath.Vector3f;
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/**
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*
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* @author jezek2
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*/
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class BvhDataArray {
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private int size = 0;
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float[] bound = new float[0];
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int[] data = new int[0];
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public int size() {
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return size;
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}
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public void resize(int newSize) {
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float[] newBound = new float[newSize*6];
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int[] newData = new int[newSize];
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System.arraycopy(bound, 0, newBound, 0, size*6);
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System.arraycopy(data, 0, newData, 0, size);
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bound = newBound;
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data = newData;
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size = newSize;
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}
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public void swap(int idx1, int idx2) {
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int pos1 = idx1*6;
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int pos2 = idx2*6;
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float b0 = bound[pos1+0];
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float b1 = bound[pos1+1];
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float b2 = bound[pos1+2];
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float b3 = bound[pos1+3];
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float b4 = bound[pos1+4];
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float b5 = bound[pos1+5];
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int d = data[idx1];
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bound[pos1+0] = bound[pos2+0];
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bound[pos1+1] = bound[pos2+1];
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bound[pos1+2] = bound[pos2+2];
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bound[pos1+3] = bound[pos2+3];
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bound[pos1+4] = bound[pos2+4];
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bound[pos1+5] = bound[pos2+5];
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data[idx1] = data[idx2];
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bound[pos2+0] = b0;
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bound[pos2+1] = b1;
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bound[pos2+2] = b2;
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bound[pos2+3] = b3;
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bound[pos2+4] = b4;
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bound[pos2+5] = b5;
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data[idx2] = d;
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}
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public AABB getBound(int idx, AABB out) {
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int pos = idx*6;
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out.min.set(bound[pos+0], bound[pos+1], bound[pos+2]);
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out.max.set(bound[pos+3], bound[pos+4], bound[pos+5]);
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return out;
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}
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public Vector3f getBoundMin(int idx, Vector3f out) {
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int pos = idx*6;
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out.set(bound[pos+0], bound[pos+1], bound[pos+2]);
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return out;
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}
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public Vector3f getBoundMax(int idx, Vector3f out) {
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int pos = idx*6;
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out.set(bound[pos+3], bound[pos+4], bound[pos+5]);
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return out;
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}
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public void setBound(int idx, AABB aabb) {
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int pos = idx*6;
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bound[pos+0] = aabb.min.x;
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bound[pos+1] = aabb.min.y;
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bound[pos+2] = aabb.min.z;
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bound[pos+3] = aabb.max.x;
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bound[pos+4] = aabb.max.y;
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bound[pos+5] = aabb.max.z;
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}
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public int getData(int idx) {
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return data[idx];
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}
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public void setData(int idx, int value) {
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data[idx] = value;
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}
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}
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