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Diffstat (limited to 'engine/src/bullet/com/jme3/bullet/util/NativeMeshUtil.java')
-rw-r--r--engine/src/bullet/com/jme3/bullet/util/NativeMeshUtil.java77
1 files changed, 77 insertions, 0 deletions
diff --git a/engine/src/bullet/com/jme3/bullet/util/NativeMeshUtil.java b/engine/src/bullet/com/jme3/bullet/util/NativeMeshUtil.java
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+++ b/engine/src/bullet/com/jme3/bullet/util/NativeMeshUtil.java
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+/*
+ * Copyright (c) 2009-2010 jMonkeyEngine
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ * * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * * Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * * Neither the name of 'jMonkeyEngine' nor the names of its contributors
+ * may be used to endorse or promote products derived from this software
+ * without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
+ * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+ * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+package com.jme3.bullet.util;
+
+import com.jme3.scene.Mesh;
+import com.jme3.scene.VertexBuffer.Type;
+import com.jme3.scene.mesh.IndexBuffer;
+import com.jme3.util.BufferUtils;
+import java.nio.ByteBuffer;
+import java.nio.FloatBuffer;
+
+/**
+ *
+ * @author normenhansen
+ */
+public class NativeMeshUtil {
+
+ public static long getTriangleIndexVertexArray(Mesh mesh){
+ ByteBuffer triangleIndexBase = BufferUtils.createByteBuffer(mesh.getTriangleCount() * 3 * 4);
+ ByteBuffer vertexBase = BufferUtils.createByteBuffer(mesh.getVertexCount() * 3 * 4);
+ int numVertices = mesh.getVertexCount();
+ int vertexStride = 12; //3 verts * 4 bytes per.
+ int numTriangles = mesh.getTriangleCount();
+ int triangleIndexStride = 12; //3 index entries * 4 bytes each.
+
+ IndexBuffer indices = mesh.getIndicesAsList();
+ FloatBuffer vertices = mesh.getFloatBuffer(Type.Position);
+ vertices.rewind();
+
+ int verticesLength = mesh.getVertexCount() * 3;
+ for (int i = 0; i < verticesLength; i++) {
+ float tempFloat = vertices.get();
+ vertexBase.putFloat(tempFloat);
+ }
+
+ int indicesLength = mesh.getTriangleCount() * 3;
+ for (int i = 0; i < indicesLength; i++) {
+ triangleIndexBase.putInt(indices.get(i));
+ }
+ vertices.rewind();
+ vertices.clear();
+
+ return createTriangleIndexVertexArray(triangleIndexBase, vertexBase, numTriangles, numVertices, vertexStride, triangleIndexStride);
+ }
+
+ public static native long createTriangleIndexVertexArray(ByteBuffer triangleIndexBase, ByteBuffer vertexBase, int numTraingles, int numVertices, int vertextStride, int triangleIndexStride);
+
+}