com.jme3.scene.mesh.IndexBuffer Java Examples
The following examples show how to use
com.jme3.scene.mesh.IndexBuffer.
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Example #1
| Source File: Converter.java From MikuMikuStudio with BSD 2-Clause "Simplified" License | 6 votes |
|
public static Mesh convert(IndexedMesh mesh) {
Mesh jmeMesh = new Mesh();
jmeMesh.setBuffer(Type.Index, 3, BufferUtils.createShortBuffer(mesh.numTriangles * 3));
jmeMesh.setBuffer(Type.Position, 3, BufferUtils.createFloatBuffer(mesh.numVertices * 3));
IndexBuffer indicess = jmeMesh.getIndexBuffer();
FloatBuffer vertices = jmeMesh.getFloatBuffer(Type.Position);
for (int i = 0; i < mesh.numTriangles * 3; i++) {
indicess.put(i, mesh.triangleIndexBase.getInt(i * 4));
}
for (int i = 0; i < mesh.numVertices * 3; i++) {
vertices.put(i, mesh.vertexBase.getFloat(i * 4));
}
jmeMesh.updateCounts();
jmeMesh.updateBound();
jmeMesh.getFloatBuffer(Type.Position).clear();
return jmeMesh;
}
Example #2
| Source File: TerrainPatch.java From jmonkeyengine with BSD 3-Clause "New" or "Revised" License | 6 votes |
|
protected void reIndexGeometry(HashMap<String,UpdatedTerrainPatch> updated, boolean useVariableLod) {
UpdatedTerrainPatch utp = updated.get(getName());
if (utp != null && utp.isReIndexNeeded() ) {
int pow = (int) Math.pow(2, utp.getNewLod());
boolean left = utp.getLeftLod() > utp.getNewLod();
boolean top = utp.getTopLod() > utp.getNewLod();
boolean right = utp.getRightLod() > utp.getNewLod();
boolean bottom = utp.getBottomLod() > utp.getNewLod();
IndexBuffer idxB;
if (useVariableLod)
idxB = geomap.writeIndexArrayLodVariable(pow, (int) Math.pow(2, utp.getRightLod()), (int) Math.pow(2, utp.getTopLod()), (int) Math.pow(2, utp.getLeftLod()), (int) Math.pow(2, utp.getBottomLod()), totalSize);
else
idxB = geomap.writeIndexArrayLodDiff(pow, right, top, left, bottom, totalSize);
Buffer b = idxB.getBuffer();
utp.setNewIndexBuffer(b);
}
}
Example #3
| Source File: Converter.java From jmonkeyengine with BSD 3-Clause "New" or "Revised" License | 6 votes |
|
public static Mesh convert(IndexedMesh mesh) {
Mesh jmeMesh = new Mesh();
jmeMesh.setBuffer(Type.Index, 3, BufferUtils.createShortBuffer(mesh.numTriangles * 3));
jmeMesh.setBuffer(Type.Position, 3, BufferUtils.createFloatBuffer(mesh.numVertices * 3));
IndexBuffer indicess = jmeMesh.getIndexBuffer();
FloatBuffer vertices = jmeMesh.getFloatBuffer(Type.Position);
for (int i = 0; i < mesh.numTriangles * 3; i++) {
indicess.put(i, mesh.triangleIndexBase.getInt(i * 4));
}
for (int i = 0; i < mesh.numVertices * 3; i++) {
vertices.put(i, mesh.vertexBase.getFloat(i * 4));
}
jmeMesh.updateCounts();
jmeMesh.updateBound();
jmeMesh.getFloatBuffer(Type.Position).clear();
return jmeMesh;
}
Example #4
| Source File: BIHTree.java From jmonkeyengine with BSD 3-Clause "New" or "Revised" License | 6 votes |
|
private void initTriList(FloatBuffer vb, IndexBuffer ib) {
pointData = new float[numTris * 3 * 3];
int p = 0;
for (int i = 0; i < numTris * 3; i += 3) {
int vert = ib.get(i) * 3;
pointData[p++] = vb.get(vert++);
pointData[p++] = vb.get(vert++);
pointData[p++] = vb.get(vert);
vert = ib.get(i + 1) * 3;
pointData[p++] = vb.get(vert++);
pointData[p++] = vb.get(vert++);
pointData[p++] = vb.get(vert);
vert = ib.get(i + 2) * 3;
pointData[p++] = vb.get(vert++);
pointData[p++] = vb.get(vert++);
pointData[p++] = vb.get(vert);
}
triIndices = new int[numTris];
for (int i = 0; i < numTris; i++) {
triIndices[i] = i;
}
}
Example #5
| Source File: CurvesHelper.java From MikuMikuStudio with BSD 2-Clause "Simplified" License | 6 votes |
|
/**
* The method generates normal buffer for the created mesh of the curve.
*
* @param indexes
* the indexes of the mesh points
* @param points
* the mesh's points
* @param smooth
* the flag indicating if the result is to be smooth or solid
* @return normals buffer for the mesh
*/
private FloatBuffer generateNormals(IndexBuffer indexes, FloatBuffer points, boolean smooth) {
Map<Integer, Vector3f> normalMap = new TreeMap<Integer, Vector3f>();
Vector3f[] allVerts = BufferUtils.getVector3Array(points);
for (int i = 0; i < indexes.size(); i += 3) {
int index1 = indexes.get(i);
int index2 = indexes.get(i + 1);
int index3 = indexes.get(i + 2);
Vector3f n = FastMath.computeNormal(allVerts[index1], allVerts[index2], allVerts[index3]);
this.addNormal(n, normalMap, smooth, index1, index2, index3);
}
FloatBuffer normals = BufferUtils.createFloatBuffer(normalMap.size() * 3);
for (Entry<Integer, Vector3f> entry : normalMap.entrySet()) {
normals.put(entry.getValue().x);
normals.put(entry.getValue().y);
normals.put(entry.getValue().z);
}
return normals;
}
Example #6
| Source File: BIHTree.java From MikuMikuStudio with BSD 2-Clause "Simplified" License | 6 votes |
|
private void initTriList(FloatBuffer vb, IndexBuffer ib) {
pointData = new float[numTris * 3 * 3];
int p = 0;
for (int i = 0; i < numTris * 3; i += 3) {
int vert = ib.get(i) * 3;
pointData[p++] = vb.get(vert++);
pointData[p++] = vb.get(vert++);
pointData[p++] = vb.get(vert);
vert = ib.get(i + 1) * 3;
pointData[p++] = vb.get(vert++);
pointData[p++] = vb.get(vert++);
pointData[p++] = vb.get(vert);
vert = ib.get(i + 2) * 3;
pointData[p++] = vb.get(vert++);
pointData[p++] = vb.get(vert++);
pointData[p++] = vb.get(vert);
}
triIndices = new int[numTris];
for (int i = 0; i < numTris; i++) {
triIndices[i] = i;
}
}
Example #7
| Source File: BIHTree.java From MikuMikuStudio with BSD 2-Clause "Simplified" License | 6 votes |
|
public BIHTree(Mesh mesh, int maxTrisPerNode) {
this.mesh = mesh;
this.maxTrisPerNode = maxTrisPerNode;
if (maxTrisPerNode < 1 || mesh == null) {
throw new IllegalArgumentException();
}
bihSwapTmp = new float[9];
FloatBuffer vb = (FloatBuffer) mesh.getBuffer(Type.Position).getData();
IndexBuffer ib = mesh.getIndexBuffer();
if (ib == null) {
ib = new VirtualIndexBuffer(mesh.getVertexCount(), mesh.getMode());
} else if (mesh.getMode() != Mode.Triangles) {
ib = new WrappedIndexBuffer(mesh);
}
numTris = ib.size() / 3;
initTriList(vb, ib);
}
Example #8
| Source File: TangentBinormalGenerator.java From jmonkeyengine with BSD 3-Clause "New" or "Revised" License | 5 votes |
|
private static List<VertexData> processTriangles(Mesh mesh,
int[] index, Vector3f[] v, Vector2f[] t, boolean splitMirrored) {
IndexBuffer indexBuffer = mesh.getIndexBuffer();
FloatBuffer vertexBuffer = (FloatBuffer) mesh.getBuffer(Type.Position).getData();
if (mesh.getBuffer(Type.TexCoord) == null) {
throw new IllegalArgumentException("Can only generate tangents for "
+ "meshes with texture coordinates");
}
FloatBuffer textureBuffer = (FloatBuffer) mesh.getBuffer(Type.TexCoord).getData();
List<VertexData> vertices = initVertexData(vertexBuffer.limit() / 3);
for (int i = 0; i < indexBuffer.size() / 3; i++) {
for (int j = 0; j < 3; j++) {
index[j] = indexBuffer.get(i * 3 + j);
populateFromBuffer(v[j], vertexBuffer, index[j]);
populateFromBuffer(t[j], textureBuffer, index[j]);
}
TriangleData triData = processTriangle(index, v, t);
if(splitMirrored){
triData.setIndex(index);
triData.triangleOffset = i * 3 ;
}
vertices.get(index[0]).triangles.add(triData);
vertices.get(index[1]).triangles.add(triData);
vertices.get(index[2]).triangles.add(triData);
}
return vertices;
}
Example #9
| Source File: Converter.java From MikuMikuStudio with BSD 2-Clause "Simplified" License | 5 votes |
|
public static IndexedMesh convert(Mesh mesh) {
IndexedMesh jBulletIndexedMesh = new IndexedMesh();
jBulletIndexedMesh.triangleIndexBase = ByteBuffer.allocate(mesh.getTriangleCount() * 3 * 4);
jBulletIndexedMesh.vertexBase = ByteBuffer.allocate(mesh.getVertexCount() * 3 * 4);
IndexBuffer indices = mesh.getIndicesAsList();
FloatBuffer vertices = mesh.getFloatBuffer(Type.Position);
vertices.rewind();
int verticesLength = mesh.getVertexCount() * 3;
jBulletIndexedMesh.numVertices = mesh.getVertexCount();
jBulletIndexedMesh.vertexStride = 12; //3 verts * 4 bytes per.
for (int i = 0; i < verticesLength; i++) {
float tempFloat = vertices.get();
jBulletIndexedMesh.vertexBase.putFloat(tempFloat);
}
int indicesLength = mesh.getTriangleCount() * 3;
jBulletIndexedMesh.numTriangles = mesh.getTriangleCount();
jBulletIndexedMesh.triangleIndexStride = 12; //3 index entries * 4 bytes each.
for (int i = 0; i < indicesLength; i++) {
jBulletIndexedMesh.triangleIndexBase.putInt(indices.get(i));
}
vertices.rewind();
vertices.clear();
return jBulletIndexedMesh;
}
Example #10
| Source File: NativeMeshUtil.java From MikuMikuStudio with BSD 2-Clause "Simplified" License | 5 votes |
|
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);
}
Example #11
| Source File: GImpactCollisionShape.java From MikuMikuStudio with BSD 2-Clause "Simplified" License | 5 votes |
|
private void createCollisionMesh(Mesh mesh) {
triangleIndexBase = BufferUtils.createByteBuffer(mesh.getTriangleCount() * 3 * 4);
vertexBase = BufferUtils.createByteBuffer(mesh.getVertexCount() * 3 * 4);
// triangleIndexBase = ByteBuffer.allocate(mesh.getTriangleCount() * 3 * 4);
// vertexBase = ByteBuffer.allocate(mesh.getVertexCount() * 3 * 4);
numVertices = mesh.getVertexCount();
vertexStride = 12; //3 verts * 4 bytes per.
numTriangles = mesh.getTriangleCount();
triangleIndexStride = 12; //3 index entries * 4 bytes each.
IndexBuffer indices = mesh.getIndexBuffer();
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();
createShape();
}
Example #12
| Source File: MeshCollisionShape.java From MikuMikuStudio with BSD 2-Clause "Simplified" License | 5 votes |
|
private void createCollisionMesh(Mesh mesh) {
triangleIndexBase = BufferUtils.createByteBuffer(mesh.getTriangleCount() * 3 * 4);
vertexBase = BufferUtils.createByteBuffer(mesh.getVertexCount() * 3 * 4);
numVertices = mesh.getVertexCount();
vertexStride = 12; //3 verts * 4 bytes per.
numTriangles = mesh.getTriangleCount();
triangleIndexStride = 12; //3 index entries * 4 bytes each.
IndexBuffer indices = mesh.getIndexBuffer();
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();
createShape();
}
Example #13
| Source File: FloatToFixed.java From MikuMikuStudio with BSD 2-Clause "Simplified" License | 5 votes |
|
public static void compressIndexBuffer(Mesh mesh){
int vertCount = mesh.getVertexCount();
VertexBuffer vb = mesh.getBuffer(Type.Index);
Format targetFmt;
if (vb.getFormat() == Format.UnsignedInt && vertCount <= 0xffff){
if (vertCount <= 256)
targetFmt = Format.UnsignedByte;
else
targetFmt = Format.UnsignedShort;
}else if (vb.getFormat() == Format.UnsignedShort && vertCount <= 0xff){
targetFmt = Format.UnsignedByte;
}else{
return;
}
IndexBuffer src = mesh.getIndexBuffer();
Buffer newBuf = VertexBuffer.createBuffer(targetFmt, vb.getNumComponents(), src.size());
VertexBuffer newVb = new VertexBuffer(Type.Index);
newVb.setupData(vb.getUsage(), vb.getNumComponents(), targetFmt, newBuf);
mesh.clearBuffer(Type.Index);
mesh.setBuffer(newVb);
IndexBuffer dst = mesh.getIndexBuffer();
for (int i = 0; i < src.size(); i++){
dst.put(i, src.get(i));
}
}
Example #14
| Source File: SilentTangentBinormalGenerator.java From OpenRTS with MIT License | 5 votes |
|
private static List<VertexData> processTriangles(Mesh mesh, int[] index, Vector3f[] v, Vector2f[] t, boolean splitMirrored) {
IndexBuffer indexBuffer = mesh.getIndexBuffer();
FloatBuffer vertexBuffer = (FloatBuffer) mesh.getBuffer(Type.Position).getData();
if (mesh.getBuffer(Type.TexCoord) == null) {
throw new IllegalArgumentException("Can only generate tangents for " + "meshes with texture coordinates");
}
FloatBuffer textureBuffer = (FloatBuffer) mesh.getBuffer(Type.TexCoord).getData();
List<VertexData> vertices = initVertexData(vertexBuffer.limit() / 3);
for (int i = 0; i < indexBuffer.size() / 3; i++) {
for (int j = 0; j < 3; j++) {
index[j] = indexBuffer.get(i * 3 + j);
populateFromBuffer(v[j], vertexBuffer, index[j]);
populateFromBuffer(t[j], textureBuffer, index[j]);
}
TriangleData triData = processTriangle(index, v, t);
if (splitMirrored) {
triData.setIndex(index);
triData.triangleOffset = i * 3;
}
if (triData != null) {
vertices.get(index[0]).triangles.add(triData);
vertices.get(index[1]).triangles.add(triData);
vertices.get(index[2]).triangles.add(triData);
}
}
return vertices;
}
Example #15
| Source File: LODGeomap.java From jmonkeyengine with BSD 3-Clause "New" or "Revised" License | 5 votes |
|
public Mesh createMesh(Vector3f scale, Vector2f tcScale, Vector2f tcOffset, float offsetAmount, int totalSize, boolean center, int lod, boolean rightLod, boolean topLod, boolean leftLod, boolean bottomLod) {
FloatBuffer pb = writeVertexArray(null, scale, center);
FloatBuffer texb = writeTexCoordArray(null, tcOffset, tcScale, offsetAmount, totalSize);
FloatBuffer nb = writeNormalArray(null, scale);
IndexBuffer ib = writeIndexArrayLodDiff(lod, rightLod, topLod, leftLod, bottomLod, totalSize);
FloatBuffer bb = BufferUtils.createFloatBuffer(getWidth() * getHeight() * 3);
FloatBuffer tanb = BufferUtils.createFloatBuffer(getWidth() * getHeight() * 3);
writeTangentArray(nb, tanb, bb, texb, scale);
Mesh m = new Mesh();
m.setMode(Mode.TriangleStrip);
m.setBuffer(Type.Position, 3, pb);
m.setBuffer(Type.Normal, 3, nb);
m.setBuffer(Type.Tangent, 3, tanb);
m.setBuffer(Type.Binormal, 3, bb);
m.setBuffer(Type.TexCoord, 2, texb);
switch (ib.getFormat()) {
case UnsignedInt:
m.setBuffer(Type.Index, 3, (IntBuffer) ib.getBuffer());
break;
case UnsignedShort:
m.setBuffer(Type.Index, 3, (ShortBuffer) ib.getBuffer());
break;
case UnsignedByte:
m.setBuffer(Type.Index, 3, (ByteBuffer) ib.getBuffer());
break;
}
m.setStatic();
m.updateBound();
return m;
}
Example #16
| Source File: TangentBinormalGenerator.java From jmonkeyengine with BSD 3-Clause "New" or "Revised" License | 5 votes |
|
private static List<VertexData> processTriangleFan(Mesh mesh,
int[] index, Vector3f[] v, Vector2f[] t) {
IndexBuffer indexBuffer = mesh.getIndexBuffer();
FloatBuffer vertexBuffer = (FloatBuffer) mesh.getBuffer(Type.Position).getData();
FloatBuffer textureBuffer = (FloatBuffer) mesh.getBuffer(Type.TexCoord).getData();
List<VertexData> vertices = initVertexData(vertexBuffer.limit() / 3);
index[0] = indexBuffer.get(0);
index[1] = indexBuffer.get(1);
populateFromBuffer(v[0], vertexBuffer, index[0]);
populateFromBuffer(v[1], vertexBuffer, index[1]);
populateFromBuffer(t[0], textureBuffer, index[0]);
populateFromBuffer(t[1], textureBuffer, index[1]);
for (int i = 2; i < vertexBuffer.limit() / 3; i++) {
index[2] = indexBuffer.get(i);
populateFromBuffer(v[2], vertexBuffer, index[2]);
populateFromBuffer(t[2], textureBuffer, index[2]);
TriangleData triData = processTriangle(index, v, t);
vertices.get(index[0]).triangles.add(triData);
vertices.get(index[1]).triangles.add(triData);
vertices.get(index[2]).triangles.add(triData);
Vector3f vTemp = v[1];
v[1] = v[2];
v[2] = vTemp;
Vector2f tTemp = t[1];
t[1] = t[2];
t[2] = tTemp;
index[1] = index[2];
}
return vertices;
}
Example #17
| Source File: TangentBinormalGenerator.java From MikuMikuStudio with BSD 2-Clause "Simplified" License | 5 votes |
|
private static VertexData[] processTriangles(Mesh mesh,
int[] index, Vector3f[] v, Vector2f[] t)
{
IndexBuffer indexBuffer = mesh.getIndexBuffer();
FloatBuffer vertexBuffer = (FloatBuffer) mesh.getBuffer(Type.Position).getData();
if (mesh.getBuffer(Type.TexCoord) == null)
throw new IllegalArgumentException("Can only generate tangents for "
+ "meshes with texture coordinates");
FloatBuffer textureBuffer = (FloatBuffer) mesh.getBuffer(Type.TexCoord).getData();
VertexData[] vertices = initVertexData(vertexBuffer.capacity() / 3);
for (int i = 0; i < indexBuffer.size() / 3; i++) {
for (int j = 0; j < 3; j++) {
index[j] = indexBuffer.get(i*3 + j);
populateFromBuffer(v[j], vertexBuffer, index[j]);
populateFromBuffer(t[j], textureBuffer, index[j]);
}
TriangleData triData = processTriangle(index, v, t);
if (triData != null) {
vertices[index[0]].triangles.add(triData);
vertices[index[1]].triangles.add(triData);
vertices[index[2]].triangles.add(triData);
}
}
return vertices;
}
Example #18
| Source File: BIHTree.java From jmonkeyengine with BSD 3-Clause "New" or "Revised" License | 5 votes |
|
public BIHTree(Mesh mesh, int maxTrisPerNode) {
this.mesh = mesh;
this.maxTrisPerNode = maxTrisPerNode;
if (maxTrisPerNode < 1) {
throw new IllegalArgumentException("maxTrisPerNode cannot be less than 1");
}
if (mesh == null) {
throw new IllegalArgumentException("Mesh cannot be null");
}
bihSwapTmp = new float[9];
VertexBuffer vBuffer = mesh.getBuffer(Type.Position);
if(vBuffer == null){
throw new IllegalArgumentException("A mesh should at least contain a Position buffer");
}
IndexBuffer ib = mesh.getIndexBuffer();
FloatBuffer vb = (FloatBuffer) vBuffer.getData();
if (ib == null) {
ib = new VirtualIndexBuffer(mesh.getVertexCount(), mesh.getMode());
} else if (mesh.getMode() != Mode.Triangles) {
ib = new WrappedIndexBuffer(mesh);
}
numTris = ib.size() / 3;
initTriList(vb, ib);
}
Example #19
| Source File: Converter.java From jmonkeyengine with BSD 3-Clause "New" or "Revised" License | 5 votes |
|
public static synchronized IndexedMesh convert(Mesh mesh) {
IndexedMesh jBulletIndexedMesh = new IndexedMesh();
jBulletIndexedMesh.triangleIndexBase = ByteBuffer.allocate(mesh.getTriangleCount() * 3 * 4);
jBulletIndexedMesh.vertexBase = ByteBuffer.allocate(mesh.getVertexCount() * 3 * 4);
IndexBuffer indices = mesh.getIndicesAsList();
FloatBuffer vertices = mesh.getFloatBuffer(Type.Position);
vertices.rewind();
int verticesLength = mesh.getVertexCount() * 3;
jBulletIndexedMesh.numVertices = mesh.getVertexCount();
jBulletIndexedMesh.vertexStride = 12; //3 verts * 4 bytes per.
for (int i = 0; i < verticesLength; i++) {
float tempFloat = vertices.get();
jBulletIndexedMesh.vertexBase.putFloat(tempFloat);
}
int indicesLength = mesh.getTriangleCount() * 3;
jBulletIndexedMesh.numTriangles = mesh.getTriangleCount();
jBulletIndexedMesh.triangleIndexStride = 12; //3 index entries * 4 bytes each.
for (int i = 0; i < indicesLength; i++) {
jBulletIndexedMesh.triangleIndexBase.putInt(indices.get(i));
}
vertices.rewind();
vertices.clear();
return jBulletIndexedMesh;
}
Example #20
| Source File: NativeMeshUtil.java From jmonkeyengine with BSD 3-Clause "New" or "Revised" License | 5 votes |
|
/**
* Pass a mesh to Native Bullet.
*
* @param mesh the JME mesh to pass (not null)
* @return the unique identifier of the resulting btTriangleIndexVertexArray
* (not 0)
*/
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 each
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);
}
Example #21
| Source File: GImpactCollisionShape.java From jmonkeyengine with BSD 3-Clause "New" or "Revised" License | 5 votes |
|
private void createCollisionMesh(Mesh mesh) {
triangleIndexBase = BufferUtils.createByteBuffer(mesh.getTriangleCount() * 3 * 4);
vertexBase = BufferUtils.createByteBuffer(mesh.getVertexCount() * 3 * 4);
// triangleIndexBase = ByteBuffer.allocate(mesh.getTriangleCount() * 3 * 4);
// vertexBase = ByteBuffer.allocate(mesh.getVertexCount() * 3 * 4);
numVertices = mesh.getVertexCount();
vertexStride = 12; //3 verts * 4 bytes per.
numTriangles = mesh.getTriangleCount();
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();
createShape();
}
Example #22
| Source File: MeshCollisionShape.java From jmonkeyengine with BSD 3-Clause "New" or "Revised" License | 5 votes |
|
private void createCollisionMesh(Mesh mesh) {
this.triangleIndexBase = BufferUtils.createByteBuffer(mesh.getTriangleCount() * 3 * 4);
this.vertexBase = BufferUtils.createByteBuffer(mesh.getVertexCount() * 3 * 4);
this.numVertices = mesh.getVertexCount();
this.vertexStride = 12; // 3 verts * 4 bytes per.
this.numTriangles = mesh.getTriangleCount();
this.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();
this.createShape(null);
}
Example #23
| Source File: TerrainPatch.java From jmonkeyengine with BSD 3-Clause "New" or "Revised" License | 5 votes |
|
/**
* This calculation is slow, so don't use it often.
*/
public void generateLodEntropies() {
float[] entropies = new float[getMaxLod()+1];
for (int i = 0; i <= getMaxLod(); i++){
int curLod = (int) Math.pow(2, i);
IndexBuffer idxB = geomap.writeIndexArrayLodDiff(curLod, false, false, false, false, totalSize);
Buffer ib = idxB.getBuffer();
entropies[i] = EntropyComputeUtil.computeLodEntropy(mesh, ib);
}
lodEntropy = entropies;
}
Example #24
| Source File: SkinningControl.java From jmonkeyengine with BSD 3-Clause "New" or "Revised" License | 4 votes |
|
/**
* Method to apply skinning transforms to a mesh's buffers
*
* @param mesh the mesh
* @param offsetMatrices the offset matices to apply
*/
private void applySkinning(Mesh mesh, Matrix4f[] offsetMatrices) {
int maxWeightsPerVert = mesh.getMaxNumWeights();
if (maxWeightsPerVert <= 0) {
throw new IllegalStateException("Max weights per vert is incorrectly set!");
}
int fourMinusMaxWeights = 4 - maxWeightsPerVert;
// NOTE: This code assumes the vertex buffer is in bind pose
// resetToBind() has been called this frame
VertexBuffer vb = mesh.getBuffer(Type.Position);
FloatBuffer fvb = (FloatBuffer) vb.getData();
fvb.rewind();
VertexBuffer nb = mesh.getBuffer(Type.Normal);
FloatBuffer fnb = (FloatBuffer) nb.getData();
fnb.rewind();
// get boneIndexes and weights for mesh
IndexBuffer ib = IndexBuffer.wrapIndexBuffer(mesh.getBuffer(Type.BoneIndex).getData());
FloatBuffer wb = (FloatBuffer) mesh.getBuffer(Type.BoneWeight).getData();
wb.rewind();
float[] weights = wb.array();
int idxWeights = 0;
TempVars vars = TempVars.get();
float[] posBuf = vars.skinPositions;
float[] normBuf = vars.skinNormals;
int iterations = (int) FastMath.ceil(fvb.limit() / ((float) posBuf.length));
int bufLength = posBuf.length;
for (int i = iterations - 1; i >= 0; i--) {
// read next set of positions and normals from native buffer
bufLength = Math.min(posBuf.length, fvb.remaining());
fvb.get(posBuf, 0, bufLength);
fnb.get(normBuf, 0, bufLength);
int verts = bufLength / 3;
int idxPositions = 0;
// iterate vertices and apply skinning transform for each effecting bone
for (int vert = verts - 1; vert >= 0; vert--) {
// Skip this vertex if the first weight is zero.
if (weights[idxWeights] == 0) {
idxPositions += 3;
idxWeights += 4;
continue;
}
float nmx = normBuf[idxPositions];
float vtx = posBuf[idxPositions++];
float nmy = normBuf[idxPositions];
float vty = posBuf[idxPositions++];
float nmz = normBuf[idxPositions];
float vtz = posBuf[idxPositions++];
float rx = 0, ry = 0, rz = 0, rnx = 0, rny = 0, rnz = 0;
for (int w = maxWeightsPerVert - 1; w >= 0; w--) {
float weight = weights[idxWeights];
Matrix4f mat = offsetMatrices[ib.get(idxWeights++)];
rx += (mat.m00 * vtx + mat.m01 * vty + mat.m02 * vtz + mat.m03) * weight;
ry += (mat.m10 * vtx + mat.m11 * vty + mat.m12 * vtz + mat.m13) * weight;
rz += (mat.m20 * vtx + mat.m21 * vty + mat.m22 * vtz + mat.m23) * weight;
rnx += (nmx * mat.m00 + nmy * mat.m01 + nmz * mat.m02) * weight;
rny += (nmx * mat.m10 + nmy * mat.m11 + nmz * mat.m12) * weight;
rnz += (nmx * mat.m20 + nmy * mat.m21 + nmz * mat.m22) * weight;
}
idxWeights += fourMinusMaxWeights;
idxPositions -= 3;
normBuf[idxPositions] = rnx;
posBuf[idxPositions++] = rx;
normBuf[idxPositions] = rny;
posBuf[idxPositions++] = ry;
normBuf[idxPositions] = rnz;
posBuf[idxPositions++] = rz;
}
fvb.position(fvb.position() - bufLength);
fvb.put(posBuf, 0, bufLength);
fnb.position(fnb.position() - bufLength);
fnb.put(normBuf, 0, bufLength);
}
vars.release();
vb.updateData(fvb);
nb.updateData(fnb);
}
Example #25
| Source File: TangentBinormalGenerator.java From MikuMikuStudio with BSD 2-Clause "Simplified" License | 4 votes |
|
private static VertexData[] processTriangleStrip(Mesh mesh,
int[] index, Vector3f[] v, Vector2f[] t)
{
IndexBuffer indexBuffer = mesh.getIndexBuffer();
FloatBuffer vertexBuffer = (FloatBuffer) mesh.getBuffer(Type.Position).getData();
FloatBuffer textureBuffer = (FloatBuffer) mesh.getBuffer(Type.TexCoord).getData();
VertexData[] vertices = initVertexData(vertexBuffer.capacity() / 3);
index[0] = indexBuffer.get(0);
index[1] = indexBuffer.get(1);
populateFromBuffer(v[0], vertexBuffer, index[0]);
populateFromBuffer(v[1], vertexBuffer, index[1]);
populateFromBuffer(t[0], textureBuffer, index[0]);
populateFromBuffer(t[1], textureBuffer, index[1]);
for (int i = 2; i < indexBuffer.size(); i++) {
index[2] = indexBuffer.get(i);
BufferUtils.populateFromBuffer(v[2], vertexBuffer, index[2]);
BufferUtils.populateFromBuffer(t[2], textureBuffer, index[2]);
boolean isDegenerate = isDegenerateTriangle(v[0], v[1], v[2]);
TriangleData triData = processTriangle(index, v, t);
if (triData != null && !isDegenerate) {
vertices[index[0]].triangles.add(triData);
vertices[index[1]].triangles.add(triData);
vertices[index[2]].triangles.add(triData);
}
Vector3f vTemp = v[0];
v[0] = v[1];
v[1] = v[2];
v[2] = vTemp;
Vector2f tTemp = t[0];
t[0] = t[1];
t[1] = t[2];
t[2] = tTemp;
index[0] = index[1];
index[1] = index[2];
}
return vertices;
}
Example #26
| Source File: TangentBinormalGenerator.java From MikuMikuStudio with BSD 2-Clause "Simplified" License | 4 votes |
|
private static VertexData[] processTriangleFan(Mesh mesh,
int[] index, Vector3f[] v, Vector2f[] t)
{
IndexBuffer indexBuffer = mesh.getIndexBuffer();
FloatBuffer vertexBuffer = (FloatBuffer) mesh.getBuffer(Type.Position).getData();
FloatBuffer textureBuffer = (FloatBuffer) mesh.getBuffer(Type.TexCoord).getData();
VertexData[] vertices = initVertexData(vertexBuffer.capacity() / 3);
index[0] = indexBuffer.get(0);
index[1] = indexBuffer.get(1);
populateFromBuffer(v[0], vertexBuffer, index[0]);
populateFromBuffer(v[1], vertexBuffer, index[1]);
populateFromBuffer(t[0], textureBuffer, index[0]);
populateFromBuffer(t[1], textureBuffer, index[1]);
for (int i = 2; i < vertexBuffer.capacity() / 3; i++) {
index[2] = indexBuffer.get(i);
populateFromBuffer(v[2], vertexBuffer, index[2]);
populateFromBuffer(t[2], textureBuffer, index[2]);
TriangleData triData = processTriangle(index, v, t);
if (triData != null) {
vertices[index[0]].triangles.add(triData);
vertices[index[1]].triangles.add(triData);
vertices[index[2]].triangles.add(triData);
}
Vector3f vTemp = v[1];
v[1] = v[2];
v[2] = vTemp;
Vector2f tTemp = t[1];
t[1] = t[2];
t[2] = tTemp;
index[1] = index[2];
}
return vertices;
}
Example #27
| Source File: LODGeomap.java From MikuMikuStudio with BSD 2-Clause "Simplified" License | 4 votes |
|
public VerboseBuffer(IndexBuffer d) {
this.delegate = d;
}
Example #28
| Source File: SilentTangentBinormalGenerator.java From OpenRTS with MIT License | 4 votes |
|
private static List<VertexData> processTriangleFan(Mesh mesh, int[] index, Vector3f[] v, Vector2f[] t) {
IndexBuffer indexBuffer = mesh.getIndexBuffer();
FloatBuffer vertexBuffer = (FloatBuffer) mesh.getBuffer(Type.Position).getData();
FloatBuffer textureBuffer = (FloatBuffer) mesh.getBuffer(Type.TexCoord).getData();
List<VertexData> vertices = initVertexData(vertexBuffer.limit() / 3);
index[0] = indexBuffer.get(0);
index[1] = indexBuffer.get(1);
populateFromBuffer(v[0], vertexBuffer, index[0]);
populateFromBuffer(v[1], vertexBuffer, index[1]);
populateFromBuffer(t[0], textureBuffer, index[0]);
populateFromBuffer(t[1], textureBuffer, index[1]);
for (int i = 2; i < vertexBuffer.limit() / 3; i++) {
index[2] = indexBuffer.get(i);
populateFromBuffer(v[2], vertexBuffer, index[2]);
populateFromBuffer(t[2], textureBuffer, index[2]);
TriangleData triData = processTriangle(index, v, t);
if (triData != null) {
vertices.get(index[0]).triangles.add(triData);
vertices.get(index[1]).triangles.add(triData);
vertices.get(index[2]).triangles.add(triData);
}
Vector3f vTemp = v[1];
v[1] = v[2];
v[2] = vTemp;
Vector2f tTemp = t[1];
t[1] = t[2];
t[2] = tTemp;
index[1] = index[2];
}
return vertices;
}
Example #29
| Source File: SilentTangentBinormalGenerator.java From OpenRTS with MIT License | 4 votes |
|
private static List<VertexData> processTriangleStrip(Mesh mesh, int[] index, Vector3f[] v, Vector2f[] t) {
IndexBuffer indexBuffer = mesh.getIndexBuffer();
FloatBuffer vertexBuffer = (FloatBuffer) mesh.getBuffer(Type.Position).getData();
FloatBuffer textureBuffer = (FloatBuffer) mesh.getBuffer(Type.TexCoord).getData();
List<VertexData> vertices = initVertexData(vertexBuffer.limit() / 3);
index[0] = indexBuffer.get(0);
index[1] = indexBuffer.get(1);
populateFromBuffer(v[0], vertexBuffer, index[0]);
populateFromBuffer(v[1], vertexBuffer, index[1]);
populateFromBuffer(t[0], textureBuffer, index[0]);
populateFromBuffer(t[1], textureBuffer, index[1]);
for (int i = 2; i < indexBuffer.size(); i++) {
index[2] = indexBuffer.get(i);
BufferUtils.populateFromBuffer(v[2], vertexBuffer, index[2]);
BufferUtils.populateFromBuffer(t[2], textureBuffer, index[2]);
boolean isDegenerate = isDegenerateTriangle(v[0], v[1], v[2]);
TriangleData triData = processTriangle(index, v, t);
if (triData != null && !isDegenerate) {
vertices.get(index[0]).triangles.add(triData);
vertices.get(index[1]).triangles.add(triData);
vertices.get(index[2]).triangles.add(triData);
}
Vector3f vTemp = v[0];
v[0] = v[1];
v[1] = v[2];
v[2] = vTemp;
Vector2f tTemp = t[0];
t[0] = t[1];
t[1] = t[2];
t[2] = tTemp;
index[0] = index[1];
index[1] = index[2];
}
return vertices;
}
Example #30
| Source File: TangentBinormalGenerator.java From jmonkeyengine with BSD 3-Clause "New" or "Revised" License | 4 votes |
|
private static List<VertexData> processTriangleStrip(Mesh mesh,
int[] index, Vector3f[] v, Vector2f[] t) {
IndexBuffer indexBuffer = mesh.getIndexBuffer();
FloatBuffer vertexBuffer = (FloatBuffer) mesh.getBuffer(Type.Position).getData();
FloatBuffer textureBuffer = (FloatBuffer) mesh.getBuffer(Type.TexCoord).getData();
List<VertexData> vertices = initVertexData(vertexBuffer.limit() / 3);
index[0] = indexBuffer.get(0);
index[1] = indexBuffer.get(1);
populateFromBuffer(v[0], vertexBuffer, index[0]);
populateFromBuffer(v[1], vertexBuffer, index[1]);
populateFromBuffer(t[0], textureBuffer, index[0]);
populateFromBuffer(t[1], textureBuffer, index[1]);
for (int i = 2; i < indexBuffer.size(); i++) {
index[2] = indexBuffer.get(i);
BufferUtils.populateFromBuffer(v[2], vertexBuffer, index[2]);
BufferUtils.populateFromBuffer(t[2], textureBuffer, index[2]);
boolean isDegenerate = isDegenerateTriangle(v[0], v[1], v[2]);
TriangleData triData = processTriangle(index, v, t);
if (!isDegenerate) {
vertices.get(index[0]).triangles.add(triData);
vertices.get(index[1]).triangles.add(triData);
vertices.get(index[2]).triangles.add(triData);
}
Vector3f vTemp = v[0];
v[0] = v[1];
v[1] = v[2];
v[2] = vTemp;
Vector2f tTemp = t[0];
t[0] = t[1];
t[1] = t[2];
t[2] = tTemp;
index[0] = index[1];
index[1] = index[2];
}
return vertices;
}
