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Bugfix: taking scale into account when loading constraint's world matrix.

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Refactoring: reducing the amount of allocated matrices during applying and loading constraint's matrices.

git-svn-id: https://jmonkeyengine.googlecode.com/svn/trunk@10939 75d07b2b-3a1a-0410-a2c5-0572b91ccdca
experimental
Kae..pl 11 years ago
parent faf04cbb1f
commit b5357e96ec
2 changed files with 85 additions and 67 deletions
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  1. 2
      engine/src/blender/com/jme3/scene/plugins/blender/animations/BoneContext.java
  2. 150
      engine/src/blender/com/jme3/scene/plugins/blender/constraints/ConstraintHelper.java

2
engine/src/blender/com/jme3/scene/plugins/blender/animations/BoneContext.java
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@ -104,7 +104,7 @@ public class BoneContext {
Spatial armature = (Spatial) objectHelper.toObject(blenderContext.getFileBlock(armatureObjectOMA).getStructure(blenderContext), blenderContext);
ConstraintHelper constraintHelper = blenderContext.getHelper(ConstraintHelper.class);
Matrix4f armatureWorldMatrix = constraintHelper.toMatrix(armature.getWorldTransform());
Matrix4f armatureWorldMatrix = constraintHelper.toMatrix(armature.getWorldTransform(), new Matrix4f());
// and now compute the final bone matrix in world space
globalBoneMatrix = armatureWorldMatrix.mult(globalBoneMatrix);

150
engine/src/blender/com/jme3/scene/plugins/blender/constraints/ConstraintHelper.java
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@ -25,6 +25,7 @@ import com.jme3.scene.plugins.blender.file.BlenderFileException;
import com.jme3.scene.plugins.blender.file.Pointer;
import com.jme3.scene.plugins.blender.file.Structure;
import com.jme3.scene.plugins.blender.objects.ObjectHelper;
import com.jme3.util.TempVars;
/**
* This class should be used for constraint calculations.
@ -223,47 +224,52 @@ public class ConstraintHelper extends AbstractBlenderHelper {
blenderContext.getSkeleton(oma).updateWorldVectors();
BoneContext targetBoneContext = blenderContext.getBoneByName(oma, subtargetName);
Bone bone = targetBoneContext.getBone();
if(bone.getParent() == null && (space == Space.CONSTRAINT_SPACE_LOCAL || space == Space.CONSTRAINT_SPACE_PARLOCAL)) {
if (bone.getParent() == null && (space == Space.CONSTRAINT_SPACE_LOCAL || space == Space.CONSTRAINT_SPACE_PARLOCAL)) {
space = Space.CONSTRAINT_SPACE_POSE;
}
TempVars tempVars = TempVars.get();// use readable names of the matrices so that the code is more clear
Transform result;
switch (space) {
case CONSTRAINT_SPACE_WORLD:
Spatial model = (Spatial) blenderContext.getLoadedFeature(targetBoneContext.getSkeletonOwnerOma(), LoadedFeatureDataType.LOADED_FEATURE);
Transform worldTransform = new Transform(bone.getModelSpacePosition(), bone.getModelSpaceRotation(), bone.getModelSpaceScale());
worldTransform.getTranslation().addLocal(model.getWorldTranslation());
worldTransform.getRotation().multLocal(model.getWorldRotation());
worldTransform.getScale().multLocal(model.getWorldScale());
return worldTransform;
Matrix4f boneModelMatrix = this.toMatrix(bone.getModelSpacePosition(), bone.getModelSpaceRotation(), bone.getModelSpaceScale(), tempVars.tempMat4);
Matrix4f modelWorldMatrix = this.toMatrix(model.getWorldTransform(), tempVars.tempMat42);
Matrix4f boneMatrixInWorldSpace = modelWorldMatrix.multLocal(boneModelMatrix);
result = new Transform(boneMatrixInWorldSpace.toTranslationVector(), boneMatrixInWorldSpace.toRotationQuat(), boneMatrixInWorldSpace.toScaleVector());
break;
case CONSTRAINT_SPACE_LOCAL:
assert bone.getParent() != null : "CONSTRAINT_SPACE_LOCAL should be evaluated as CONSTRAINT_SPACE_POSE if the bone has no parent!";
return new Transform(bone.getLocalPosition(), bone.getLocalRotation(), bone.getLocalScale());
result = new Transform(bone.getLocalPosition(), bone.getLocalRotation(), bone.getLocalScale());
break;
case CONSTRAINT_SPACE_POSE:
Matrix4f boneWorldMatrix = this.toMatrix(this.getTransform(oma, subtargetName, Space.CONSTRAINT_SPACE_WORLD));
Matrix4f armatureInvertedWorldMatrix = this.toMatrix(feature.getWorldTransform()).invertLocal();
Matrix4f boneWorldMatrix = this.toMatrix(this.getTransform(oma, subtargetName, Space.CONSTRAINT_SPACE_WORLD), tempVars.tempMat4);
Matrix4f armatureInvertedWorldMatrix = this.toMatrix(feature.getWorldTransform(), tempVars.tempMat42).invertLocal();
Matrix4f bonePoseMatrix = armatureInvertedWorldMatrix.multLocal(boneWorldMatrix);
return new Transform(bonePoseMatrix.toTranslationVector(), bonePoseMatrix.toRotationQuat(), bonePoseMatrix.toScaleVector());
result = new Transform(bonePoseMatrix.toTranslationVector(), bonePoseMatrix.toRotationQuat(), bonePoseMatrix.toScaleVector());
break;
case CONSTRAINT_SPACE_PARLOCAL:
Matrix4f parentLocalMatrix = Matrix4f.IDENTITY;
Matrix4f parentLocalMatrix = tempVars.tempMat4;
if (bone.getParent() != null) {
Bone parent = bone.getParent();
parentLocalMatrix = this.toMatrix(parent.getLocalPosition(), parent.getLocalRotation(), parent.getLocalScale());
this.toMatrix(parent.getLocalPosition(), parent.getLocalRotation(), parent.getLocalScale(), parentLocalMatrix);
} else {
// we need to clone it because otherwise we could spoil
// the IDENTITY matrix
parentLocalMatrix = parentLocalMatrix.clone();
parentLocalMatrix.loadIdentity();
}
Matrix4f boneLocalMatrix = this.toMatrix(bone.getLocalPosition(), bone.getLocalRotation(), bone.getLocalScale());
Matrix4f result = parentLocalMatrix.multLocal(boneLocalMatrix);
Matrix4f boneLocalMatrix = this.toMatrix(bone.getLocalPosition(), bone.getLocalRotation(), bone.getLocalScale(), tempVars.tempMat42);
Matrix4f resultMatrix = parentLocalMatrix.multLocal(boneLocalMatrix);
Vector3f loc = result.toTranslationVector();
Quaternion rot = result.toRotationQuat().normalizeLocal().multLocal(NEG_PARLOC_SPACE_QUATERNION);
Vector3f scl = result.toScaleVector();
return new Transform(loc, rot, scl);
Vector3f loc = resultMatrix.toTranslationVector();
Quaternion rot = resultMatrix.toRotationQuat().normalizeLocal().multLocal(NEG_PARLOC_SPACE_QUATERNION);
Vector3f scl = resultMatrix.toScaleVector();
result = new Transform(loc, rot, scl);
break;
default:
throw new IllegalStateException("Unknown space type: " + space);
}
tempVars.release();
return result;
} else {
switch (space) {
case CONSTRAINT_SPACE_LOCAL:
@ -300,61 +306,62 @@ public class ConstraintHelper extends AbstractBlenderHelper {
Skeleton skeleton = blenderContext.getSkeleton(oma);
BoneContext targetBoneContext = blenderContext.getBoneByName(oma, subtargetName);
Bone bone = targetBoneContext.getBone();
if(bone.getParent() == null && (space == Space.CONSTRAINT_SPACE_LOCAL || space == Space.CONSTRAINT_SPACE_PARLOCAL)) {
if (bone.getParent() == null && (space == Space.CONSTRAINT_SPACE_LOCAL || space == Space.CONSTRAINT_SPACE_PARLOCAL)) {
space = Space.CONSTRAINT_SPACE_POSE;
}
TempVars tempVars = TempVars.get();
switch (space) {
case CONSTRAINT_SPACE_LOCAL:
assert bone.getParent() != null : "CONSTRAINT_SPACE_LOCAL should be evaluated as CONSTRAINT_SPACE_POSE if the bone has no parent!";
bone.setBindTransforms(transform.getTranslation(), transform.getRotation(), transform.getScale());
break;
case CONSTRAINT_SPACE_WORLD: {
Matrix4f boneMatrixInWorldSpace = this.toMatrix(transform);
Matrix4f invertedModelMatrix = this.toMatrix(this.getTransform(targetBoneContext.getSkeletonOwnerOma(), null, Space.CONSTRAINT_SPACE_WORLD)).invertLocal();
Matrix4f boneMatrixInModelSpace = invertedModelMatrix.mult(boneMatrixInWorldSpace);
Matrix4f boneMatrixInWorldSpace = this.toMatrix(transform, tempVars.tempMat4);
Matrix4f modelWorldMatrix = this.toMatrix(this.getTransform(targetBoneContext.getSkeletonOwnerOma(), null, Space.CONSTRAINT_SPACE_WORLD), tempVars.tempMat42);
Matrix4f boneMatrixInModelSpace = modelWorldMatrix.invertLocal().multLocal(boneMatrixInWorldSpace);
Bone parent = bone.getParent();
if (parent != null) {
Matrix4f invertedParentMatrixInModelSpace = this.toMatrix(parent.getModelSpacePosition(), parent.getModelSpaceRotation(), parent.getModelSpaceScale()).invertLocal();
boneMatrixInModelSpace = invertedParentMatrixInModelSpace.mult(boneMatrixInModelSpace);
Matrix4f parentMatrixInModelSpace = this.toMatrix(parent.getModelSpacePosition(), parent.getModelSpaceRotation(), parent.getModelSpaceScale(), tempVars.tempMat4);
boneMatrixInModelSpace = parentMatrixInModelSpace.invertLocal().multLocal(boneMatrixInModelSpace);
}
bone.setBindTransforms(boneMatrixInModelSpace.toTranslationVector(), boneMatrixInModelSpace.toRotationQuat(), boneMatrixInModelSpace.toScaleVector());
break;
}
case CONSTRAINT_SPACE_POSE: {
Matrix4f armatureWorldMatrix = this.toMatrix(feature.getWorldTransform());
Matrix4f boneMatrixInWorldSpace = armatureWorldMatrix.multLocal(this.toMatrix(transform));
Matrix4f invertedModelMatrix = this.toMatrix(this.getTransform(targetBoneContext.getSkeletonOwnerOma(), null, Space.CONSTRAINT_SPACE_WORLD)).invertLocal();
Matrix4f boneMatrixInModelSpace = invertedModelMatrix.mult(boneMatrixInWorldSpace);
Matrix4f armatureWorldMatrix = this.toMatrix(feature.getWorldTransform(), tempVars.tempMat4);
Matrix4f boneMatrixInWorldSpace = armatureWorldMatrix.multLocal(this.toMatrix(transform, tempVars.tempMat42));
Matrix4f invertedModelMatrix = this.toMatrix(this.getTransform(targetBoneContext.getSkeletonOwnerOma(), null, Space.CONSTRAINT_SPACE_WORLD), tempVars.tempMat42).invertLocal();
Matrix4f boneMatrixInModelSpace = invertedModelMatrix.multLocal(boneMatrixInWorldSpace);
Bone parent = bone.getParent();
if(parent != null) {
Matrix4f invertedParentMatrixInModelSpace = this.toMatrix(parent.getModelSpacePosition(), parent.getModelSpaceRotation(), parent.getModelSpaceScale()).invertLocal();
boneMatrixInModelSpace = invertedParentMatrixInModelSpace.mult(boneMatrixInModelSpace);
if (parent != null) {
Matrix4f parentMatrixInModelSpace = this.toMatrix(parent.getModelSpacePosition(), parent.getModelSpaceRotation(), parent.getModelSpaceScale(), tempVars.tempMat4);
boneMatrixInModelSpace = parentMatrixInModelSpace.invertLocal().multLocal(boneMatrixInModelSpace);
}
bone.setBindTransforms(boneMatrixInModelSpace.toTranslationVector(), boneMatrixInModelSpace.toRotationQuat(), boneMatrixInModelSpace.toScaleVector());
break;
}
case CONSTRAINT_SPACE_PARLOCAL:
Matrix4f parentLocalMatrix = Matrix4f.IDENTITY;
Matrix4f parentLocalInverseMatrix = tempVars.tempMat4;
if (bone.getParent() != null) {
parentLocalMatrix = this.toMatrix(bone.getParent().getLocalPosition(), bone.getParent().getLocalRotation(), bone.getParent().getLocalScale());
parentLocalMatrix.invertLocal();
this.toMatrix(bone.getParent().getLocalPosition(), bone.getParent().getLocalRotation(), bone.getParent().getLocalScale(), parentLocalInverseMatrix);
parentLocalInverseMatrix.invertLocal();
} else {
// we need to clone it because otherwise we could
// spoil the IDENTITY matrix
parentLocalMatrix = parentLocalMatrix.clone();
parentLocalInverseMatrix.loadIdentity();
}
Matrix4f m = this.toMatrix(transform.getTranslation(), transform.getRotation(), transform.getScale());
Matrix4f result = parentLocalMatrix.multLocal(m);
Matrix4f m = this.toMatrix(transform.getTranslation(), transform.getRotation(), transform.getScale(), tempVars.tempMat42);
Matrix4f result = parentLocalInverseMatrix.multLocal(m);
Vector3f loc = result.toTranslationVector();
Quaternion rot = result.toRotationQuat().normalizeLocal().multLocal(POS_PARLOC_SPACE_QUATERNION);
Vector3f scl = result.toScaleVector();
bone.setBindTransforms(loc, rot, scl);
break;
default:
tempVars.release();
throw new IllegalStateException("Invalid space type for target object: " + space.toString());
}
tempVars.release();
skeleton.updateWorldVectors();
} else {
switch (space) {
@ -367,9 +374,11 @@ public class ConstraintHelper extends AbstractBlenderHelper {
} else {
Transform parentWorldTransform = feature.getParent().getWorldTransform();
Matrix4f parentMatrix = this.toMatrix(parentWorldTransform).invertLocal();
Matrix4f m = this.toMatrix(transform);
m = m.multLocal(parentMatrix);
TempVars tempVars = TempVars.get();
Matrix4f parentInverseMatrix = this.toMatrix(parentWorldTransform, tempVars.tempMat4).invertLocal();
Matrix4f m = this.toMatrix(transform, tempVars.tempMat42);
m = m.multLocal(parentInverseMatrix);
tempVars.release();
transform.setTranslation(m.toTranslationVector());
transform.setRotation(m.toRotationQuat());
@ -389,28 +398,37 @@ public class ConstraintHelper extends AbstractBlenderHelper {
*
* @param transform
* the transform to be converted
* @return 4x4 matrix that represents the given transform
* @param store
* the matrix where the result will be stored
* @return the store matrix
*/
public Matrix4f toMatrix(Transform transform) {
public Matrix4f toMatrix(Transform transform, Matrix4f store) {
if (transform != null) {
return this.toMatrix(transform.getTranslation(), transform.getRotation(), transform.getScale());
return this.toMatrix(transform.getTranslation(), transform.getRotation(), transform.getScale(), store);
}
return Matrix4f.IDENTITY.clone();
store.loadIdentity();
return store;
}
/**
* Converts given transformation parameters into the matrix.
*
* @param transform
* the transform to be converted
* @return 4x4 matrix that represents the given transformation parameters
* @param position
* the position of the feature
* @param rotation
* the rotation of the feature
* @param scale
* the scale of the feature
* @param store
* the matrix where the result will be stored
* @return the store matrix
*/
private Matrix4f toMatrix(Vector3f position, Quaternion rotation, Vector3f scale) {
Matrix4f result = new Matrix4f();
result.setTranslation(position);
result.setRotationQuaternion(rotation);
result.setScale(scale);
return result;
private Matrix4f toMatrix(Vector3f position, Quaternion rotation, Vector3f scale, Matrix4f store) {
store.loadIdentity();
store.setTranslation(position);
store.setRotationQuaternion(rotation);
store.setScale(scale);
return store;
}
/**
@ -420,18 +438,18 @@ public class ConstraintHelper extends AbstractBlenderHelper {
*/
public static enum Space {
/** A transformation of the bone or spatial in the world space. */
CONSTRAINT_SPACE_WORLD,
/**
CONSTRAINT_SPACE_WORLD,
/**
* For spatial it is the transformation in its parent space or in WORLD space if it has no parent.
* For bone it is a transformation in its bone parent space or in armature space if it has no parent.
*/
CONSTRAINT_SPACE_LOCAL,
CONSTRAINT_SPACE_LOCAL,
/**
* This space IS NOT applicable for spatials.
* For bone it is a transformation in the blender's armature object space.
*/
CONSTRAINT_SPACE_POSE,
CONSTRAINT_SPACE_POSE,
CONSTRAINT_SPACE_PARLOCAL;
/**

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