Instead of computing model bounds after loading, compute them at compile

time and store them with the model.  For skinned meshes, run through 
every frame of every animation as they're compiled in order to find the 
bounding volume that encloses every deformation.


git-svn-id: svn+ssh://src.earth.threerings.net/narya/trunk@4080 542714f4-19e9-0310-aa3c-eee0fc999fb1
This commit is contained in:
Andrzej Kapolka
2006-05-02 00:17:20 +00:00
parent 0699eb3d1c
commit 28659209cd
8 changed files with 102 additions and 25 deletions
@@ -35,8 +35,7 @@ import java.nio.channels.FileChannel;
import java.util.Properties;
import com.jme.bounding.BoundingBox;
import com.jme.bounding.BoundingSphere;
import com.jme.bounding.BoundingVolume;
import com.jme.math.Quaternion;
import com.jme.math.Vector3f;
import com.jme.renderer.CloneCreator;
@@ -89,8 +88,7 @@ public class ModelMesh extends TriMesh
public void configure (
boolean solid, String texture, boolean transparent, Properties props)
{
_boundingType = "sphere".equals(props.getProperty("bound")) ?
SPHERE_BOUND : BOX_BOUND;
_textures = (texture == null) ? null : StringUtil.parseStringArray(
props.getProperty(texture, texture));
_solid = solid;
@@ -118,13 +116,6 @@ public class ModelMesh extends TriMesh
_textureByteBuffer = textures;
_indexByteBuffer = indices;
if (_boundingType == BOX_BOUND) {
setModelBound(new BoundingBox());
} else { // _boundingType == SPHERE_BOUND
setModelBound(new BoundingSphere());
}
updateModelBound();
// initialize the model if we're displaying
if (DisplaySystem.getDisplaySystem() == null) {
return;
@@ -231,12 +222,12 @@ public class ModelMesh extends TriMesh
out.writeObject(getLocalTranslation());
out.writeObject(getLocalRotation());
out.writeObject(getLocalScale());
out.writeObject(getModelBound());
out.writeInt(_vertexBufferSize);
out.writeInt(_normalBufferSize);
out.writeInt(_colorBufferSize);
out.writeInt(_textureBufferSize);
out.writeInt(_indexBufferSize);
out.writeInt(_boundingType);
out.writeObject(_textures);
out.writeBoolean(_solid);
out.writeBoolean(_transparent);
@@ -250,17 +241,23 @@ public class ModelMesh extends TriMesh
setLocalTranslation((Vector3f)in.readObject());
setLocalRotation((Quaternion)in.readObject());
setLocalScale((Vector3f)in.readObject());
setModelBound((BoundingVolume)in.readObject());
_vertexBufferSize = in.readInt();
_normalBufferSize = in.readInt();
_colorBufferSize = in.readInt();
_textureBufferSize = in.readInt();
_indexBufferSize = in.readInt();
_boundingType = in.readInt();
_textures = (String[])in.readObject();
_solid = in.readBoolean();
_transparent = in.readBoolean();
}
// documentation inherited from interface ModelSpatial
public void expandModelBounds ()
{
// no-op
}
// documentation inherited from interface ModelSpatial
public void setReferenceTransforms ()
{
@@ -489,11 +486,5 @@ public class ModelMesh extends TriMesh
/** The shared state for checking, but not writing to, the z buffer. */
protected static ZBufferState _overlayZBuffer;
/** 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;
}