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Merge meshes in animated models by finding ones that maintain the same

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relative position throughout all animations.  Also, don't include 
transforms in the animations for nodes that never move.


git-svn-id: svn+ssh://src.earth.threerings.net/nenya/trunk@218 ed5b42cb-e716-0410-a449-f6a68f950b19
This commit is contained in:
Andrzej Kapolka
2007-05-01 23:36:23 +00:00
parent 86298ca832
commit 072926f814
8 changed files with 620 additions and 390 deletions
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src/java/com/threerings/jme/model/ModelNode.java
+31 -56
View File
@@ -41,6 +41,7 @@ import com.jme.util.export.InputCapsule;
import com.jme.util.export.OutputCapsule;
import com.threerings.jme.Log;
import com.threerings.jme.util.JmeUtil;
/**
* A {@link Node} with a serialization mechanism tailored to stored models.
@@ -55,7 +56,7 @@ public class ModelNode extends Node
{
super("node");
}
/**
* Standard constructor.
*/
@@ -63,14 +64,14 @@ public class ModelNode extends Node
{
super(name);
}
@Override // documentation inherited
public int hashCode ()
{
// hash on the name rather than the identity for consistent ordering
return getName().hashCode();
}
/**
* Recursively searches the scene graph rooted at this node for a
* node with the provided name.
@@ -90,7 +91,7 @@ public class ModelNode extends Node
}
return null;
}
/**
* Returns a reference to the model space transform of the node.
*/
@@ -98,7 +99,7 @@ public class ModelNode extends Node
{
return _modelTransform;
}
@Override // documentation inherited
public void updateWorldData (float time)
{
@@ -108,7 +109,7 @@ public class ModelNode extends Node
super.updateWorldData(time);
}
}
@Override // documentation inherited
public void updateWorldBound ()
{
@@ -117,22 +118,22 @@ public class ModelNode extends Node
super.updateWorldBound();
}
}
@Override // documentation inherited
public void updateWorldVectors ()
{
super.updateWorldVectors();
if (parent instanceof ModelNode) {
setTransform(getLocalTranslation(), getLocalRotation(),
JmeUtil.setTransform(getLocalTranslation(), getLocalRotation(),
getLocalScale(), _localTransform);
((ModelNode)parent).getModelTransform().mult(_localTransform,
_modelTransform);
} else {
_modelTransform.loadIdentity();
}
}
// documentation inherited from interface ModelSpatial
public Spatial putClone (Spatial store, Model.CloneCreator properties)
{
@@ -178,7 +179,7 @@ public class ModelNode extends Node
mstore._hasVisibleDescendants = _hasVisibleDescendants;
return mstore;
}
@Override // documentation inherited
public void read (JMEImporter im)
throws IOException
@@ -198,7 +199,7 @@ public class ModelNode extends Node
}
}
}
@Override // documentation inherited
public void write (JMEExporter ex)
throws IOException
@@ -210,7 +211,7 @@ public class ModelNode extends Node
capsule.write(getLocalScale(), "localScale", null);
capsule.writeSavableArrayList(getChildren(), "children", null);
}
// documentation inherited from interface ModelSpatial
public void expandModelBounds ()
{
@@ -221,7 +222,7 @@ public class ModelNode extends Node
}
}
}
// documentation inherited from interface ModelSpatial
public void setReferenceTransforms ()
{
@@ -233,7 +234,7 @@ public class ModelNode extends Node
}
}
}
// documentation inherited from interface ModelSpatial
public void lockStaticMeshes (
Renderer renderer, boolean useVBOs, boolean useDisplayLists)
@@ -246,7 +247,7 @@ public class ModelNode extends Node
}
}
}
// documentation inherited from interface ModelSpatial
public void resolveTextures (TextureProvider tprov)
{
@@ -257,7 +258,7 @@ public class ModelNode extends Node
}
}
}
// documentation inherited from interface ModelSpatial
public void storeMeshFrame (int frameId, boolean blend)
{
@@ -268,7 +269,7 @@ public class ModelNode extends Node
}
}
}
// documentation inherited from interface ModelSpatial
public void setMeshFrame (int frameId)
{
@@ -279,7 +280,7 @@ public class ModelNode extends Node
}
}
}
// documentation inherited from interface ModelSpatial
public void blendMeshFrames (int frameId1, int frameId2, float alpha)
{
@@ -291,7 +292,7 @@ public class ModelNode extends Node
}
}
}
/**
* Sets whether this node should be culled even if it has mesh
* descendants.
@@ -300,7 +301,7 @@ public class ModelNode extends Node
{
_forceCull = force;
}
/**
* Checks whether this node should be culled even if it has mesh
* descendants.
@@ -309,7 +310,7 @@ public class ModelNode extends Node
{
return _forceCull;
}
/**
* Sets the cull state of any nodes that do not contain geometric
* descendants to {@link CULL_ALWAYS} so that they don't waste
@@ -330,7 +331,7 @@ public class ModelNode extends Node
updateCullMode();
return _hasVisibleDescendants;
}
/**
* Locks the transforms and bounds of this instance with the assumption
* that the position will never change.
@@ -344,14 +345,14 @@ public class ModelNode extends Node
{
updateWorldVectors();
lockedMode |= LOCKED_TRANSFORMS;
boolean containsTargets = false;
for (int ii = 0, nn = getQuantity(); ii < nn; ii++) {
Spatial child = getChild(ii);
if (targets.contains(child) || (child instanceof ModelNode &&
((ModelNode)child).lockInstance(targets))) {
containsTargets = true;
} else if (child instanceof ModelMesh) {
((ModelMesh)child).lockInstance();
}
@@ -364,7 +365,7 @@ public class ModelNode extends Node
return false;
}
}
/**
* Recursively culls all model nodes under this one in preparation for
* activating the ones listed in an animation.
@@ -379,7 +380,7 @@ public class ModelNode extends Node
}
}
}
/**
* Makes this node visible if and only if it has visible descendants and
* has not been specifically culled.
@@ -389,42 +390,16 @@ public class ModelNode extends Node
setCullMode((_hasVisibleDescendants && !_forceCull) ?
CULL_INHERIT : CULL_ALWAYS);
}
/**
* Sets a matrix to the transform defined by the given translation,
* rotation, and scale values.
*/
protected static Matrix4f setTransform (
Vector3f translation, Quaternion rotation, Vector3f scale,
Matrix4f result)
{
result.setRotationQuaternion(rotation);
result.setTranslation(translation);
result.m00 *= scale.x;
result.m01 *= scale.y;
result.m02 *= scale.z;
result.m10 *= scale.x;
result.m11 *= scale.y;
result.m12 *= scale.z;
result.m20 *= scale.x;
result.m21 *= scale.y;
result.m22 *= scale.z;
return result;
}
/** The node's transform in local and model space. */
protected Matrix4f _localTransform = new Matrix4f(),
_modelTransform = new Matrix4f();
/** Whether or not this node has mesh descendants. */
protected boolean _hasVisibleDescendants;
/** If true, cull the node even if it has mesh descendants. */
protected boolean _forceCull;
private static final long serialVersionUID = 1;
}