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Further progress on model revamp. Now loading and viewing static

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models.


git-svn-id: svn+ssh://src.earth.threerings.net/narya/trunk@4017 542714f4-19e9-0310-aa3c-eee0fc999fb1
This commit is contained in:
Andrzej Kapolka
2006-04-13 20:47:06 +00:00
parent fe8f95b15b
commit 39ca0f4ed9
13 changed files with 683 additions and 146 deletions
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src/java/com/threerings/jme/model/ModelMesh.java
+80 -21
View File
@@ -27,11 +27,16 @@ import java.io.ObjectInput;
import java.io.ObjectOutput;
import java.nio.ByteBuffer;
import java.nio.ByteOrder;
import java.nio.FloatBuffer;
import java.nio.IntBuffer;
import java.nio.MappedByteBuffer;
import java.nio.channels.FileChannel;
import java.util.Properties;
import com.jme.bounding.BoundingBox;
import com.jme.bounding.BoundingSphere;
import com.jme.math.Quaternion;
import com.jme.math.Vector3f;
import com.jme.scene.TriMesh;
@@ -49,6 +54,7 @@ public class ModelMesh extends TriMesh
*/
public ModelMesh ()
{
super("mesh");
}
/**
@@ -69,6 +75,15 @@ public class ModelMesh extends TriMesh
super(name, vertices, normals, colors, tcoords, indices);
}
/**
* Configures this mesh based on the given (sub-)properties.
*/
public void configure (Properties props)
{
_boundingType = "sphere".equals(props.getProperty("bound")) ?
SPHERE_BOUND : BOX_BOUND;
}
/**
* Sets the buffers as {@link ByteBuffer}s, because we can't create byte
* views of non-byte buffers.
@@ -88,6 +103,13 @@ public class ModelMesh extends TriMesh
_colorByteBuffer = colors;
_textureByteBuffer = textures;
_indexByteBuffer = indices;
if (_boundingType == BOX_BOUND) {
setModelBound(new BoundingBox());
} else { // _boundingType == SPHERE_BOUND
setModelBound(new BoundingSphere());
}
updateModelBound();
}
// documentation inherited
@@ -130,27 +152,23 @@ public class ModelMesh extends TriMesh
out.writeInt(_colorBufferSize);
out.writeInt(_textureBufferSize);
out.writeInt(_indexBufferSize);
out.writeInt(_boundingType);
}
// documentation inherited from interface Externalizable
public void readExternal (ObjectInput in)
throws IOException
throws IOException, ClassNotFoundException
{
setName(in.readUTF());
try {
setLocalTranslation((Vector3f)in.readObject());
setLocalRotation((Quaternion)in.readObject());
setLocalScale((Vector3f)in.readObject());
} catch (ClassNotFoundException e) {
Log.warning("Encounted unknown class [mesh=" + getName() +
", exception=" + e + "].");
}
setLocalTranslation((Vector3f)in.readObject());
setLocalRotation((Quaternion)in.readObject());
setLocalScale((Vector3f)in.readObject());
_vertexBufferSize = in.readInt();
_normalBufferSize = in.readInt();
_colorBufferSize = in.readInt();
_textureBufferSize = in.readInt();
_indexBufferSize = in.readInt();
_boundingType = in.readInt();
}
// documentation inherited from interface ModelSpatial
@@ -159,23 +177,33 @@ public class ModelMesh extends TriMesh
{
if (_vertexBufferSize > 0) {
_vertexByteBuffer.rewind();
convertOrder(_vertexByteBuffer, ByteOrder.LITTLE_ENDIAN);
out.write(_vertexByteBuffer);
convertOrder(_vertexByteBuffer, ByteOrder.nativeOrder());
}
if (_normalBufferSize > 0) {
_normalByteBuffer.rewind();
convertOrder(_normalByteBuffer, ByteOrder.LITTLE_ENDIAN);
out.write(_normalByteBuffer);
convertOrder(_normalByteBuffer, ByteOrder.nativeOrder());
}
if (_colorBufferSize > 0) {
_colorByteBuffer.rewind();
convertOrder(_colorByteBuffer, ByteOrder.LITTLE_ENDIAN);
out.write(_colorByteBuffer);
convertOrder(_colorByteBuffer, ByteOrder.nativeOrder());
}
if (_textureBufferSize > 0) {
_indexByteBuffer.rewind();
out.write(_indexByteBuffer);
_textureByteBuffer.rewind();
convertOrder(_textureByteBuffer, ByteOrder.LITTLE_ENDIAN);
out.write(_textureByteBuffer);
convertOrder(_textureByteBuffer, ByteOrder.nativeOrder());
}
if (_indexBufferSize > 0) {
_indexByteBuffer.rewind();
convertOrder(_indexByteBuffer, ByteOrder.LITTLE_ENDIAN);
out.write(_indexByteBuffer);
convertOrder(_indexByteBuffer, ByteOrder.nativeOrder());
}
}
@@ -185,30 +213,36 @@ public class ModelMesh extends TriMesh
{
ByteBuffer vbbuf = null, nbbuf = null, cbbuf = null, tbbuf = null,
ibbuf = null;
ByteOrder le = ByteOrder.LITTLE_ENDIAN;
if (_vertexBufferSize > 0) {
vbbuf = ByteBuffer.allocateDirect(_vertexBufferSize*3*4);
vbbuf = ByteBuffer.allocateDirect(_vertexBufferSize*4).order(le);
in.read(vbbuf);
vbbuf.rewind();
convertOrder(vbbuf, ByteOrder.nativeOrder());
}
if (_normalBufferSize > 0) {
nbbuf = ByteBuffer.allocateDirect(_normalBufferSize*3*4);
nbbuf = ByteBuffer.allocateDirect(_normalBufferSize*4).order(le);
in.read(nbbuf);
nbbuf.rewind();
convertOrder(nbbuf, ByteOrder.nativeOrder());
}
if (_colorBufferSize > 0) {
cbbuf = ByteBuffer.allocateDirect(_colorBufferSize*4*4);
cbbuf = ByteBuffer.allocateDirect(_colorBufferSize*4).order(le);
in.read(cbbuf);
cbbuf.rewind();
convertOrder(cbbuf, ByteOrder.nativeOrder());
}
if (_textureBufferSize > 0) {
tbbuf = ByteBuffer.allocateDirect(_textureBufferSize*2*4);
tbbuf = ByteBuffer.allocateDirect(_textureBufferSize*4).order(le);
in.read(tbbuf);
tbbuf.rewind();
convertOrder(tbbuf, ByteOrder.nativeOrder());
}
if (_indexBufferSize > 0) {
ibbuf = ByteBuffer.allocateDirect(_indexBufferSize*4);
ibbuf = ByteBuffer.allocateDirect(_indexBufferSize*4).order(le);
in.read(ibbuf);
ibbuf.rewind();
convertOrder(ibbuf, ByteOrder.nativeOrder());
}
reconstruct(vbbuf, nbbuf, cbbuf, tbbuf, ibbuf);
}
@@ -218,26 +252,27 @@ public class ModelMesh extends TriMesh
{
ByteBuffer vbbuf = null, nbbuf = null, cbbuf = null, tbbuf = null,
ibbuf = null;
int total = 0;
if (_vertexBufferSize > 0) {
int npos = map.position() + _vertexBufferSize*3*4;
int npos = map.position() + _vertexBufferSize*4;
map.limit(npos);
vbbuf = map.slice();
map.position(npos);
}
if (_normalBufferSize > 0) {
int npos = map.position() + _normalBufferSize*3*4;
int npos = map.position() + _normalBufferSize*4;
map.limit(npos);
nbbuf = map.slice();
map.position(npos);
}
if (_colorBufferSize > 0) {
int npos = map.position() + _colorBufferSize*4*4;
int npos = map.position() + _colorBufferSize*4;
map.limit(npos);
cbbuf = map.slice();
map.position(npos);
}
if (_textureBufferSize > 0) {
int npos = map.position() + _textureBufferSize*2*4;
int npos = map.position() + _textureBufferSize*4;
map.limit(npos);
tbbuf = map.slice();
map.position(npos);
@@ -251,6 +286,21 @@ public class ModelMesh extends TriMesh
reconstruct(vbbuf, nbbuf, cbbuf, tbbuf, ibbuf);
}
/**
* Imposes the specified order on the given buffer of 32 bit values.
*/
protected void convertOrder (ByteBuffer buf, ByteOrder order)
{
if (buf.order() == order) {
return;
}
IntBuffer obuf = buf.asIntBuffer(),
nbuf = buf.order(order).asIntBuffer();
while (obuf.hasRemaining()) {
nbuf.put(obuf.get());
}
}
/** The sizes of the various buffers (zero for <code>null</code>). */
protected int _vertexBufferSize, _normalBufferSize, _colorBufferSize,
_textureBufferSize, _indexBufferSize;
@@ -259,5 +309,14 @@ public class ModelMesh extends TriMesh
protected ByteBuffer _vertexByteBuffer, _normalByteBuffer,
_colorByteBuffer, _textureByteBuffer, _indexByteBuffer;
/** The type of bounding volume that this mesh should use. */
protected int _boundingType;
/** Indicates that this mesh should use a bounding box. */
protected static final int BOX_BOUND = 0;
/** Indicates that this mesh should use a bounding sphere. */
protected static final int SPHERE_BOUND = 1;
private static final long serialVersionUID = 1;
}