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Spatial tracks now can keep a reference to the spatial they apply to. This allows to group multiples spatial tracks in a single animation.

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This commit is contained in:
Nehon 2017-08-13 15:17:52 +02:00 committed by Rémy Bouquet
parent 6b3093aa3e
commit d7b2e08d95
3 changed files with 123 additions and 59 deletions
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20
jme3-core/src/main/java/com/jme3/animation/Animation.java
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@ -93,6 +93,24 @@ public class Animation implements Savable, Cloneable, JmeCloneable {
return length;
}
/**
* Set the length of the animation
*
* @param length
*/
public void setLength(float length) {
this.length = length;
}
/**
* Sets the name of the animation
*
* @param name
*/
public void setName(String name) {
this.name = name;
}
/**
* This method sets the current time of the animation.
* This method behaves differently for every known track type.
@ -209,7 +227,7 @@ public class Animation implements Savable, Cloneable, JmeCloneable {
// isn't cloned at all... even though they all implement clone() methods. -pspeed
SafeArrayList<Track> newTracks = new SafeArrayList<>(Track.class);
for( Track track : tracks ) {
if( track instanceof ClonableTrack ) {
if (track instanceof JmeCloneable) {
newTracks.add(cloner.clone(track));
} else {
// this is the part that seems fishy

56
jme3-core/src/main/java/com/jme3/animation/SpatialTrack.java
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@ -39,6 +39,9 @@ import com.jme3.math.Quaternion;
import com.jme3.math.Vector3f;
import com.jme3.scene.Spatial;
import com.jme3.util.TempVars;
import com.jme3.util.clone.Cloner;
import com.jme3.util.clone.JmeCloneable;
import java.io.IOException;
import java.util.Arrays;
@ -47,7 +50,7 @@ import java.util.Arrays;
*
* @author Marcin Roguski (Kaelthas)
*/
public class SpatialTrack implements Track {
public class SpatialTrack implements Track, JmeCloneable {
/**
* Translations of the track.
@ -63,7 +66,13 @@ public class SpatialTrack implements Track {
* Scales of the track.
*/
private CompactVector3Array scales;
/**
* The spatial to which this track applies.
* Note that this is optional, if no spatial is defined, the AnimControl's Spatial will be used.
*/
private Spatial trackSpatial;
/**
* The times of the animations frames.
*/
@ -97,8 +106,11 @@ public class SpatialTrack implements Track {
* the current time of the animation
*/
public void setTime(float time, float weight, AnimControl control, AnimChannel channel, TempVars vars) {
Spatial spatial = control.getSpatial();
Spatial spatial = trackSpatial;
if (spatial == null) {
spatial = control.getSpatial();
}
Vector3f tempV = vars.vect1;
Vector3f tempS = vars.vect2;
Quaternion tempQ = vars.quat1;
@ -152,11 +164,13 @@ public class SpatialTrack implements Track {
tempV.interpolateLocal(tempV2, blend);
tempS.interpolateLocal(tempS2, blend);
}
if (translations != null)
if (translations != null) {
spatial.setLocalTranslation(tempV);
if (rotations != null)
}
if (rotations != null) {
spatial.setLocalRotation(tempQ);
}
if (scales != null) {
spatial.setLocalScale(tempS);
}
@ -235,18 +249,27 @@ public class SpatialTrack implements Track {
public float getLength() {
return times == null ? 0 : times[times.length - 1] - times[0];
}
@Override
public Track clone() {
return (Track) jmeClone();
}
@Override
public float[] getKeyFrameTimes() {
return times;
}
/**
* This method creates a clone of the current object.
* @return a clone of the current object
*/
public void setTrackSpatial(Spatial trackSpatial) {
this.trackSpatial = trackSpatial;
}
public Spatial getTrackSpatial() {
return trackSpatial;
}
@Override
public SpatialTrack clone() {
public Object jmeClone() {
int tablesLength = times.length;
float[] timesCopy = this.times.clone();
@ -257,6 +280,11 @@ public class SpatialTrack implements Track {
//need to use the constructor here because of the final fields used in this class
return new SpatialTrack(timesCopy, translationsCopy, rotationsCopy, scalesCopy);
}
@Override
public void cloneFields(Cloner cloner, Object original) {
this.trackSpatial = cloner.clone(((SpatialTrack) original).trackSpatial);
}
@Override
public void write(JmeExporter ex) throws IOException {
@ -265,6 +293,7 @@ public class SpatialTrack implements Track {
oc.write(rotations, "rotations", null);
oc.write(times, "times", null);
oc.write(scales, "scales", null);
oc.write(trackSpatial, "trackSpatial", null);
}
@Override
@ -274,5 +303,6 @@ public class SpatialTrack implements Track {
rotations = (CompactQuaternionArray) ic.readSavable("rotations", null);
times = ic.readFloatArray("times", null);
scales = (CompactVector3Array) ic.readSavable("scales", null);
trackSpatial = (Spatial) ic.readSavable("trackSpatial", null);
}
}

106
jme3-plugins/src/gltf/java/com/jme3/scene/plugins/gltf/GltfLoader.java
View File

@ -104,7 +104,7 @@ public class GltfLoader implements AssetLoader {
JsonPrimitive defaultScene = root.getAsJsonPrimitive("scene");
Node n = loadScenes(defaultScene);
Node n = readScenes(defaultScene);
setupControls();
@ -126,7 +126,7 @@ public class GltfLoader implements AssetLoader {
return "2.0".equals(version);
}
private Node loadScenes(JsonPrimitive defaultScene) throws IOException {
private Node readScenes(JsonPrimitive defaultScene) throws IOException {
if (scenes == null) {
//no scene... lets handle this later...
throw new AssetLoadException("Gltf files with no scene is not yet supported");
@ -141,15 +141,15 @@ public class GltfLoader implements AssetLoader {
sceneNode.setName(getAsString(scene.getAsJsonObject(), "name"));
JsonArray sceneNodes = scene.getAsJsonObject().getAsJsonArray("nodes");
for (JsonElement node : sceneNodes) {
loadChild(sceneNode, node);
readChild(sceneNode, node);
}
root.attachChild(sceneNode);
}
//Loading animations
if (animations != null) {
for (JsonElement animation : animations) {
loadAnimation(animation.getAsJsonObject());
for (int i = 0; i < animations.size(); i++) {
readAnimation(i);
}
}
@ -162,7 +162,7 @@ public class GltfLoader implements AssetLoader {
return root;
}
private Object loadNode(int nodeIndex) throws IOException {
private Object readNode(int nodeIndex) throws IOException {
Object obj = fetchFromCache("nodes", nodeIndex, Object.class);
if (obj != null) {
if (obj instanceof Bone) {
@ -183,7 +183,7 @@ public class GltfLoader implements AssetLoader {
//there is a mesh in this node, however gltf can split meshes in primitives (some kind of sub meshes),
//We don't have this in JME so we have to make one mesh and one Geometry for each primitive.
Geometry[] primitives = loadMeshPrimitives(meshIndex);
Geometry[] primitives = readMeshPrimitives(meshIndex);
if (primitives.length == 1 && children == null) {
//only one geometry, let's not wrap it in another node unless the node has children.
spatial = primitives[0];
@ -195,7 +195,7 @@ public class GltfLoader implements AssetLoader {
}
spatial = node;
}
spatial.setName(loadMeshName(meshIndex));
spatial.setName(readMeshName(meshIndex));
} else {
//no mesh, we have a node. Can be a camera node or a regular node.
@ -214,22 +214,22 @@ public class GltfLoader implements AssetLoader {
if (children != null) {
for (JsonElement child : children) {
loadChild(spatial, child);
readChild(spatial, child);
}
}
if (spatial.getName() == null) {
spatial.setName(getAsString(nodeData.getAsJsonObject(), "name"));
}
spatial.setLocalTransform(loadTransforms(nodeData));
spatial.setLocalTransform(readTransforms(nodeData));
addToCache("nodes", nodeIndex, spatial, nodes.size());
return spatial;
}
private void loadChild(Spatial parent, JsonElement child) throws IOException {
private void readChild(Spatial parent, JsonElement child) throws IOException {
int index = child.getAsInt();
Object loaded = loadNode(child.getAsInt());
Object loaded = readNode(child.getAsInt());
if (loaded instanceof Spatial) {
((Node) parent).attachChild((Spatial) loaded);
} else if (loaded instanceof Bone) {
@ -240,7 +240,7 @@ public class GltfLoader implements AssetLoader {
}
}
private Transform loadTransforms(JsonObject nodeData) {
private Transform readTransforms(JsonObject nodeData) {
Transform transform = new Transform();
JsonArray matrix = nodeData.getAsJsonArray("matrix");
if (matrix != null) {
@ -280,7 +280,7 @@ public class GltfLoader implements AssetLoader {
return transform;
}
private Geometry[] loadMeshPrimitives(int meshIndex) throws IOException {
private Geometry[] readMeshPrimitives(int meshIndex) throws IOException {
Geometry[] geomArray = (Geometry[]) fetchFromCache("meshes", meshIndex, Object.class);
if (geomArray != null) {
//cloning the geoms.
@ -305,12 +305,12 @@ public class GltfLoader implements AssetLoader {
mesh.setMode(getMeshMode(mode));
Integer indices = getAsInteger(meshObject, "indices");
if (indices != null) {
mesh.setBuffer(loadAccessorData(indices, new VertexBufferPopulator(VertexBuffer.Type.Index)));
mesh.setBuffer(readAccessorData(indices, new VertexBufferPopulator(VertexBuffer.Type.Index)));
}
JsonObject attributes = meshObject.getAsJsonObject("attributes");
assertNotNull(attributes, "No attributes defined for mesh " + mesh);
for (Map.Entry<String, JsonElement> entry : attributes.entrySet()) {
mesh.setBuffer(loadAccessorData(entry.getValue().getAsInt(), new VertexBufferPopulator(getVertexBufferType(entry.getKey()))));
mesh.setBuffer(readAccessorData(entry.getValue().getAsInt(), new VertexBufferPopulator(getVertexBufferType(entry.getKey()))));
}
if (mesh.getBuffer(VertexBuffer.Type.BoneIndex) != null) {
@ -334,7 +334,7 @@ public class GltfLoader implements AssetLoader {
geom.setMaterial(defaultMat);
} else {
useNormalsFlag = false;
geom.setMaterial(loadMaterial(materialIndex));
geom.setMaterial(readMaterial(materialIndex));
if (geom.getMaterial().getAdditionalRenderState().getBlendMode() == RenderState.BlendMode.Alpha) {
//Alpha blending is on on this material let's place the geom in the transparent bucket
geom.setQueueBucket(RenderQueue.Bucket.Transparent);
@ -361,7 +361,7 @@ public class GltfLoader implements AssetLoader {
return geomArray;
}
private <R> R loadAccessorData(int accessorIndex, Populator<R> populator) throws IOException {
private <R> R readAccessorData(int accessorIndex, Populator<R> populator) throws IOException {
assertNotNull(accessors, "No accessor attribute in the gltf file");
@ -447,7 +447,7 @@ public class GltfLoader implements AssetLoader {
}
private Material loadMaterial(int materialIndex) {
private Material readMaterial(int materialIndex) {
assertNotNull(materials, "There is no material defined yet a mesh references one");
JsonObject matData = materials.get(materialIndex).getAsJsonObject();
@ -504,13 +504,13 @@ public class GltfLoader implements AssetLoader {
Integer sourceIndex = getAsInteger(textureData, "source");
Integer samplerIndex = getAsInteger(textureData, "sampler");
Texture2D texture2d = loadImage(sourceIndex);
Texture2D texture2d = readImage(sourceIndex);
readSampler(samplerIndex, texture2d);
return texture2d;
}
private Texture2D loadImage(int sourceIndex) {
private Texture2D readImage(int sourceIndex) {
if (images == null) {
throw new AssetLoadException("No image defined");
}
@ -533,7 +533,8 @@ public class GltfLoader implements AssetLoader {
}
private void loadAnimation(JsonObject animation) throws IOException {
private void readAnimation(int animationIndex) throws IOException {
JsonObject animation = animations.get(animationIndex).getAsJsonObject();
JsonArray channels = animation.getAsJsonArray("channels");
JsonArray samplers = animation.getAsJsonArray("samplers");
String name = getAsString(animation, "name");
@ -583,7 +584,7 @@ public class GltfLoader implements AssetLoader {
float[] times = fetchFromCache("accessors", timeIndex, float[].class);
if (times == null) {
times = loadAccessorData(timeIndex, floatArrayPopulator);
times = readAccessorData(timeIndex, floatArrayPopulator);
addToCache("accessors", timeIndex, times, accessors.size());
}
if (animData.times == null) {
@ -599,38 +600,41 @@ public class GltfLoader implements AssetLoader {
animData.length = times[times.length - 1];
}
if (targetPath.equals("translation")) {
Vector3f[] translations = loadAccessorData(dataIndex, vector3fArrayPopulator);
Vector3f[] translations = readAccessorData(dataIndex, vector3fArrayPopulator);
animData.translations = translations;
} else if (targetPath.equals("scale")) {
Vector3f[] scales = loadAccessorData(dataIndex, vector3fArrayPopulator);
Vector3f[] scales = readAccessorData(dataIndex, vector3fArrayPopulator);
animData.scales = scales;
} else if (targetPath.equals("rotation")) {
Quaternion[] rotations = loadAccessorData(dataIndex, quaternionArrayPopulator);
Quaternion[] rotations = readAccessorData(dataIndex, quaternionArrayPopulator);
animData.rotations = rotations;
}
}
if (name == null) {
name = "anim_" + animationIndex;
}
List<Spatial> spatials = new ArrayList<>();
Animation anim = new Animation();
anim.setName(name);
for (int i = 0; i < animatedNodes.length; i++) {
AnimData animData = animatedNodes[i];
if (animData == null) {
continue;
}
if (animData.length > anim.getLength()) {
anim.setLength(animData.length);
}
Object node = fetchFromCache("nodes", i, Object.class);
if (node instanceof Spatial) {
Spatial s = (Spatial) node;
AnimControl control = s.getControl(AnimControl.class);
if (control == null) {
control = new AnimControl();
s.addControl(control);
}
if (name == null) {
name = s.getName() + "_anim_" + control.getAnimationNames().size();
}
Animation anim = new Animation(name, animData.length);
anim.addTrack(new SpatialTrack(animData.times, animData.translations, animData.rotations, animData.scales));
control.addAnim(anim);
spatials.add(s);
SpatialTrack track = new SpatialTrack(animData.times, animData.translations, animData.rotations, animData.scales);
track.setTrackSpatial(s);
anim.addTrack(track);
} else {
//At some point we'll have bone animation
//TODO support for bone animation.
@ -639,11 +643,23 @@ public class GltfLoader implements AssetLoader {
}
}
if (!spatials.isEmpty()) {
Spatial spatial = null;
if (spatials.size() == 1) {
spatial = spatials.get(0);
} else {
spatial = findCommonAncestor(spatials);
}
AnimControl control = spatial.getControl(AnimControl.class);
if (control == null) {
control = new AnimControl();
spatial.addControl(control);
}
control.addAnim(anim);
}
}
//private void readAnimationSampler()
private void readSampler(int samplerIndex, Texture2D texture) {
if (samplers == null) {
throw new AssetLoadException("No samplers defined");
@ -679,7 +695,7 @@ public class GltfLoader implements AssetLoader {
Integer matricesIndex = getAsInteger(skin, "inverseBindMatrices");
Matrix4f[] inverseBindMatrices = null;
if (matricesIndex != null) {
inverseBindMatrices = loadAccessorData(matricesIndex, matrix4fArrayPopulator);
inverseBindMatrices = readAccessorData(matricesIndex, matrix4fArrayPopulator);
} else {
inverseBindMatrices = new Matrix4f[joints.size()];
for (int i = 0; i < inverseBindMatrices.length; i++) {
@ -693,7 +709,7 @@ public class GltfLoader implements AssetLoader {
Bone[] bones = new Bone[joints.size()];
for (int i = 0; i < joints.size(); i++) {
bones[i] = loadNodeAsBone(joints.get(i).getAsInt(), inverseBindMatrices[i]);
bones[i] = readNodeAsBone(joints.get(i).getAsInt(), inverseBindMatrices[i]);
}
for (int i = 0; i < joints.size(); i++) {
findChildren(joints.get(i).getAsInt());
@ -709,7 +725,7 @@ public class GltfLoader implements AssetLoader {
}
private Bone loadNodeAsBone(int nodeIndex, Matrix4f inverseBindMatrix) throws IOException {
private Bone readNodeAsBone(int nodeIndex, Matrix4f inverseBindMatrix) throws IOException {
Bone bone = fetchFromCache("nodes", nodeIndex, Bone.class);
if (bone != null) {
@ -722,7 +738,7 @@ public class GltfLoader implements AssetLoader {
name = "Bone_" + nodeIndex;
}
bone = new Bone(name);
Transform boneTransforms = loadTransforms(nodeData);
Transform boneTransforms = readTransforms(nodeData);
Transform inverseBind = new Transform();
inverseBind.fromTransformMatrix(inverseBindMatrix);
// boneTransforms.combineWithParent(inverseBind);
@ -758,7 +774,7 @@ public class GltfLoader implements AssetLoader {
}
}
private String loadMeshName(int meshIndex) {
private String readMeshName(int meshIndex) {
JsonObject meshData = meshes.get(meshIndex).getAsJsonObject();
return getAsString(meshData, "name");
}