com.jme3.animation.AnimControl Maven / Gradle / Ivy
Go to download
Show more of this group Show more artifacts with this name
Show all versions of jme3-core Show documentation
Show all versions of jme3-core Show documentation
jMonkeyEngine is a 3-D game engine for adventurous Java developers
/*
* Copyright (c) 2009-2021 jMonkeyEngine
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* * Neither the name of 'jMonkeyEngine' nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
package com.jme3.animation;
import com.jme3.export.*;
import com.jme3.renderer.RenderManager;
import com.jme3.renderer.ViewPort;
import com.jme3.scene.Spatial;
import com.jme3.scene.control.AbstractControl;
import com.jme3.util.TempVars;
import com.jme3.util.clone.Cloner;
import com.jme3.util.clone.JmeCloneable;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Collection;
import java.util.HashMap;
import java.util.Map;
/**
* AnimControl is a Spatial control that allows manipulation
* of skeletal animation.
*
* The control currently supports:
* 1) Animation blending/transitions
* 2) Multiple animation channels
* 3) Multiple skins
* 4) Animation event listeners
* 5) Animated model cloning
* 6) Animated model binary import/export
* 7) Hardware skinning
* 8) Attachments
* 9) Add/remove skins
*
* Planned:
* 1) Morph/Pose animation
*
* @author Kirill Vainer
* @deprecated use {@link com.jme3.anim.AnimComposer}
*/
@Deprecated
public final class AnimControl extends AbstractControl implements Cloneable, JmeCloneable {
/**
* Skeleton object must contain corresponding data for the targets' weight buffers.
*/
Skeleton skeleton;
/** only used for backward compatibility */
@Deprecated
private SkeletonControl skeletonControl;
/**
* List of animations
*/
HashMap animationMap = new HashMap<>();
/**
* Animation channels
*/
private transient ArrayList channels = new ArrayList<>();
/**
* Animation event listeners
*/
private transient ArrayList listeners = new ArrayList<>();
/**
* Creates a new animation control for the given skeleton.
* The method {@link AnimControl#setAnimations(java.util.HashMap) }
* must be called after initialization in order for this class to be useful.
*
* @param skeleton The skeleton to animate
*/
public AnimControl(Skeleton skeleton) {
this.skeleton = skeleton;
reset();
}
/**
* Instantiate an animation control with no skeleton, suitable only for
* animations that don't contain any bone tracks. Also used for
* serialization.
*/
public AnimControl() {
}
@Override
public Object jmeClone() {
AnimControl clone = (AnimControl) super.jmeClone();
clone.channels = new ArrayList();
clone.listeners = new ArrayList();
return clone;
}
@Override
public void cloneFields(Cloner cloner, Object original) {
super.cloneFields(cloner, original);
this.skeleton = cloner.clone(skeleton);
// Note cloneForSpatial() never actually cloned the animation map... just its reference
HashMap newMap = new HashMap<>();
// animationMap is cloned, but only ClonableTracks will be cloned as they need a reference to a cloned spatial
for (Map.Entry e : animationMap.entrySet()) {
newMap.put(e.getKey(), cloner.clone(e.getValue()));
}
this.animationMap = newMap;
}
/**
* @param animations Set the animations that this AnimControl
* will be capable of playing. The animations should be compatible
* with the skeleton given in the constructor.
*/
public void setAnimations(HashMap animations) {
animationMap = animations;
}
/**
* Retrieve an animation from the list of animations.
*
* @param name The name of the animation to retrieve.
* @return The animation corresponding to the given name, or null, if no
* such named animation exists.
*/
public Animation getAnim(String name) {
return animationMap.get(name);
}
/**
* Adds an animation to be available for playing to this
* AnimControl.
*
* @param anim The animation to add.
*/
public void addAnim(Animation anim) {
animationMap.put(anim.getName(), anim);
}
/**
* Remove an animation so that it is no longer available for playing.
*
* @param anim The animation to remove.
*/
public void removeAnim(Animation anim) {
if (!animationMap.containsKey(anim.getName())) {
throw new IllegalArgumentException("Given animation does not exist "
+ "in this AnimControl");
}
animationMap.remove(anim.getName());
}
/**
* Create a new animation channel, by default assigned to all bones
* in the skeleton.
*
* @return A new animation channel for this AnimControl.
*/
public AnimChannel createChannel() {
AnimChannel channel = new AnimChannel(this);
channels.add(channel);
return channel;
}
/**
* Return the animation channel at the given index.
* @param index The index, starting at 0, to retrieve the AnimChannel.
* @return The animation channel at the given index, or throws an exception
* if the index is out of bounds.
*
* @throws IndexOutOfBoundsException If no channel exists at the given index.
*/
public AnimChannel getChannel(int index) {
return channels.get(index);
}
/**
* @return The number of channels that are controlled by this
* AnimControl.
*
* @see AnimControl#createChannel()
*/
public int getNumChannels() {
return channels.size();
}
/**
* Clears all the channels that were created.
*
* @see AnimControl#createChannel()
*/
public void clearChannels() {
for (AnimChannel animChannel : channels) {
for (AnimEventListener list : listeners) {
list.onAnimCycleDone(this, animChannel, animChannel.getAnimationName());
}
}
channels.clear();
}
/**
* @return The skeleton of this AnimControl.
*/
public Skeleton getSkeleton() {
return skeleton;
}
/**
* Adds a new listener to receive animation related events.
*
* @param listener The listener to add.
*/
public void addListener(AnimEventListener listener) {
if (listeners.contains(listener)) {
throw new IllegalArgumentException("The given listener is already "
+ "registered at this AnimControl");
}
listeners.add(listener);
}
/**
* Removes the given listener from listening to events.
*
* @param listener the listener to remove
* @see AnimControl#addListener(com.jme3.animation.AnimEventListener)
*/
public void removeListener(AnimEventListener listener) {
if (!listeners.remove(listener)) {
throw new IllegalArgumentException("The given listener is not "
+ "registered at this AnimControl");
}
}
/**
* Clears all the listeners added to this AnimControl
*
* @see AnimControl#addListener(com.jme3.animation.AnimEventListener)
*/
public void clearListeners() {
listeners.clear();
}
void notifyAnimChange(AnimChannel channel, String name) {
for (int i = 0; i < listeners.size(); i++) {
listeners.get(i).onAnimChange(this, channel, name);
}
}
void notifyAnimCycleDone(AnimChannel channel, String name) {
for (int i = 0; i < listeners.size(); i++) {
listeners.get(i).onAnimCycleDone(this, channel, name);
}
}
/**
* Internal use only.
*/
@Override
public void setSpatial(Spatial spatial) {
if (spatial == null && skeletonControl != null) {
this.spatial.removeControl(skeletonControl);
}
super.setSpatial(spatial);
//Backward compatibility.
if (spatial != null && skeletonControl != null) {
spatial.addControl(skeletonControl);
}
}
final void reset() {
if (skeleton != null) {
skeleton.resetAndUpdate();
}
}
/**
* @return The names of all animations that this AnimControl
* can play.
*/
public Collection getAnimationNames() {
return animationMap.keySet();
}
/**
* Returns the length of the given named animation.
*
* @param name The name of the animation
* @return The length of time, in seconds, of the named animation.
*/
public float getAnimationLength(String name) {
Animation a = animationMap.get(name);
if (a == null) {
throw new IllegalArgumentException("The animation " + name
+ " does not exist in this AnimControl");
}
return a.getLength();
}
/**
* Internal use only.
*/
@Override
protected void controlUpdate(float tpf) {
if (skeleton != null) {
skeleton.reset(); // reset skeleton to bind pose
}
TempVars vars = TempVars.get();
for (int i = 0; i < channels.size(); i++) {
channels.get(i).update(tpf, vars);
}
vars.release();
if (skeleton != null) {
skeleton.updateWorldVectors();
}
}
/**
* Internal use only.
*/
@Override
protected void controlRender(RenderManager rm, ViewPort vp) {
}
@Override
public void write(JmeExporter ex) throws IOException {
super.write(ex);
OutputCapsule oc = ex.getCapsule(this);
oc.write(skeleton, "skeleton", null);
oc.writeStringSavableMap(animationMap, "animations", null);
}
@Override
@SuppressWarnings("unchecked")
public void read(JmeImporter im) throws IOException {
super.read(im);
InputCapsule in = im.getCapsule(this);
skeleton = (Skeleton) in.readSavable("skeleton", null);
HashMap loadedAnimationMap = (HashMap) in.readStringSavableMap("animations", null);
if (loadedAnimationMap != null) {
animationMap = loadedAnimationMap;
}
if (im.getFormatVersion() == 0) {
// Changed for backward compatibility with j3o files generated
// before the AnimControl/SkeletonControl split.
// If we find a target mesh array the AnimControl creates the
// SkeletonControl for old files and add it to the spatial.
// When backward compatibility isn't needed anymore, this can be deleted.
Savable[] sav = in.readSavableArray("targets", null);
if (sav != null) {
// NOTE: allow the targets to be gathered automatically
skeletonControl = new SkeletonControl(skeleton);
spatial.addControl(skeletonControl);
}
}
}
}
© 2015 - 2024 Weber Informatics LLC | Privacy Policy