FbxBindPose.java example

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jmonkeyengine-master
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package com.jme3.scene.plugins.fbx.anim;

import com.jme3.asset.AssetManager;
import com.jme3.math.Matrix4f;
import com.jme3.scene.plugins.fbx.file.FbxElement;
import com.jme3.scene.plugins.fbx.file.FbxId;
import com.jme3.scene.plugins.fbx.obj.FbxObject;
import java.util.HashMap;
import java.util.Map;

public class FbxBindPose extends FbxObject<Map<FbxId, Matrix4f>> {

    private final Map<FbxId, Matrix4f> bindPose = new HashMap<FbxId, Matrix4f>();
    
    public FbxBindPose(AssetManager assetManager, String sceneFolderName) {
        super(assetManager, sceneFolderName);
    }
    
    @Override
    public void fromElement(FbxElement element) {
        super.fromElement(element);
        for (FbxElement child : element.children) {
            if (!child.id.equals("PoseNode")) {
                continue;
            }
            
            FbxId node = null;
            float[] matData = null;
            
            for (FbxElement e : child.children) {
                if (e.id.equals("Node")) {
                    node = FbxId.create(e.properties.get(0));
                } else if (e.id.equals("Matrix")) {
                    double[] matDataDoubles = (double[]) e.properties.get(0);
                    
                    if (matDataDoubles.length != 16) {
                        // corrupt
                        throw new UnsupportedOperationException("Bind pose matrix "
                                + "must have 16 doubles, but it has " 
                                + matDataDoubles.length + ". Data is corrupt");
                    }
                    
                    matData = new float[16];
                    for (int i = 0; i < matDataDoubles.length; i++) {
                        matData[i] = (float) matDataDoubles[i];
                    }
                }
            }
            
            if (node != null && matData != null) {
                Matrix4f matrix = new Matrix4f(matData);
                bindPose.put(node, matrix);
            }
        }
    }
    
    @Override
    protected Map<FbxId, Matrix4f> toJmeObject() {
        return bindPose;
    }

    @Override
    public void connectObject(FbxObject object) {
        unsupportedConnectObject(object);
    }

    @Override
    public void connectObjectProperty(FbxObject object, String property) {
        unsupportedConnectObjectProperty(object, property);
    }
    
}