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jMonkeyEngine is a 3-D game engine for adventurous Java developers
/*
* Copyright (c) 2009-2023 jMonkeyEngine
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* modification, are permitted provided that the following conditions are
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*
* * 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
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* documentation and/or other materials provided with the distribution.
*
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* 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
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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package com.jme3.scene.plugins.fbx.mesh;
import com.jme3.math.ColorRGBA;
import com.jme3.math.Vector2f;
import com.jme3.math.Vector3f;
import com.jme3.scene.plugins.fbx.file.FbxElement;
import java.util.HashSet;
import java.util.Set;
import java.util.logging.Level;
import java.util.logging.Logger;
public class FbxLayerElement {
private static final Logger logger = Logger.getLogger(FbxLayerElement.class.getName());
public enum Type {
Position, // Vector3f (isn't actually defined in FBX)
BoneIndex, // List (isn't actually defined in FBX)
BoneWeight, // List (isn't actually defined in FBX)
Normal, // Vector3f
Binormal, // Vector3f
Tangent, // Vector3f
UV, // Vector2f
TransparentUV, // Vector2f
Color, // ColorRGBA
Material, // Integer
Smoothing, // Integer
Visibility, // Integer
Texture, // ??? (FBX 6.x)
PolygonGroup, // ??? (FBX 6.x)
NormalMapTextures, // ??? (FBX 6.x)
SpecularFactorUV, // ??? (FBX 6.x)
NormalMapUV, // ??? (FBX 6.x)
SpecularFactorTextures, // ??? (FBX 6.x)
}
public enum MappingInformationType {
NoMappingInformation,
AllSame,
ByPolygonVertex,
ByVertex,
ByPolygon,
ByEdge;
}
public enum ReferenceInformationType {
Direct,
IndexToDirect;
}
public enum TextureBlendMode {
Translucent;
}
private static final Set indexTypes = new HashSet();
static {
indexTypes.add("UVIndex");
indexTypes.add("NormalsIndex");
indexTypes.add("TangentsIndex");
indexTypes.add("BinormalsIndex");
indexTypes.add("Smoothing");
indexTypes.add("Materials");
indexTypes.add("TextureId");
indexTypes.add("ColorIndex");
indexTypes.add("PolygonGroup");
}
int index;
Type type;
ReferenceInformationType refInfoType;
MappingInformationType mapInfoType;
String name = "";
Object[] data;
int[] dataIndices;
private FbxLayerElement() { }
@Override
public String toString() {
return "LayerElement[type=" + type + ", layer=" + index +
", mapInfoType=" + mapInfoType + ", refInfoType=" + refInfoType + "]";
}
private Object getVertexDataIndexToDirect(int polygonIndex, int polygonVertexIndex,
int positionIndex, int edgeIndex) {
switch (mapInfoType) {
case AllSame: return data[dataIndices[0]];
case ByPolygon: return data[dataIndices[polygonIndex]];
case ByPolygonVertex: return data[dataIndices[polygonVertexIndex]];
case ByVertex: return data[dataIndices[positionIndex]];
case ByEdge: return data[dataIndices[edgeIndex]];
default: throw new UnsupportedOperationException();
}
}
private Object getVertexDataDirect(int polygonIndex, int polygonVertexIndex,
int positionIndex, int edgeIndex) {
switch (mapInfoType) {
case AllSame: return data[0];
case ByPolygon: return data[polygonIndex];
case ByPolygonVertex: return data[polygonVertexIndex];
case ByVertex: return data[positionIndex];
case ByEdge: return data[edgeIndex];
default: throw new UnsupportedOperationException();
}
}
public Object getVertexData(int polygonIndex, int polygonVertexIndex, int positionIndex, int edgeIndex) {
switch (refInfoType) {
case Direct: return getVertexDataDirect(polygonIndex, polygonVertexIndex, positionIndex, edgeIndex);
case IndexToDirect: return getVertexDataIndexToDirect(polygonIndex, polygonVertexIndex, positionIndex, edgeIndex);
default: return null;
}
}
public static FbxLayerElement fromPositions(double[] positionData) {
FbxLayerElement layerElement = new FbxLayerElement();
layerElement.index = -1;
layerElement.name = "";
layerElement.type = Type.Position;
layerElement.mapInfoType = MappingInformationType.ByVertex;
layerElement.refInfoType = ReferenceInformationType.Direct;
layerElement.data = toVector3(positionData);
layerElement.dataIndices = null;
return layerElement;
}
public static FbxLayerElement fromElement(FbxElement element) {
FbxLayerElement layerElement = new FbxLayerElement();
if (!element.id.startsWith("LayerElement")) {
throw new IllegalArgumentException("Not a layer element");
}
layerElement.index = (Integer)element.properties.get(0);
String elementType = element.id.substring("LayerElement".length());
try {
layerElement.type = Type.valueOf(elementType);
} catch (IllegalArgumentException ex) {
logger.log(Level.WARNING, "Unsupported layer element: {0}. Ignoring.", elementType);
}
for (FbxElement child : element.children) {
if (child.id.equals("MappingInformationType")) {
String mapInfoTypeVal = (String) child.properties.get(0);
if (mapInfoTypeVal.equals("ByVertice")) {
mapInfoTypeVal = "ByVertex";
}
layerElement.mapInfoType = MappingInformationType.valueOf(mapInfoTypeVal);
} else if (child.id.equals("ReferenceInformationType")) {
String refInfoTypeVal = (String) child.properties.get(0);
if (refInfoTypeVal.equals("Index")) {
refInfoTypeVal = "IndexToDirect";
}
layerElement.refInfoType = ReferenceInformationType.valueOf(refInfoTypeVal);
} else if (child.id.equals("Normals") || child.id.equals("Tangents") || child.id.equals("Binormals")) {
layerElement.data = toVector3(FbxMeshUtil.getDoubleArray(child));
} else if (child.id.equals("Colors")) {
layerElement.data = toColorRGBA(FbxMeshUtil.getDoubleArray(child));
} else if (child.id.equals("UV")) {
layerElement.data = toVector2(FbxMeshUtil.getDoubleArray(child));
} else if (indexTypes.contains(child.id)) {
layerElement.dataIndices = FbxMeshUtil.getIntArray(child);
} else if (child.id.equals("Name")) {
layerElement.name = (String) child.properties.get(0);
}
}
if (layerElement.data == null && layerElement.dataIndices != null) {
// For Smoothing / Materials, data = dataIndices
layerElement.refInfoType = ReferenceInformationType.Direct;
layerElement.data = new Integer[layerElement.dataIndices.length];
for (int i = 0; i < layerElement.data.length; i++) {
layerElement.data[i] = layerElement.dataIndices[i];
}
layerElement.dataIndices = null;
}
return layerElement;
}
static Vector3f[] toVector3(double[] data) {
Vector3f[] vectors = new Vector3f[data.length / 3];
for (int i = 0; i < vectors.length; i++) {
float x = (float) data[i * 3];
float y = (float) data[i * 3 + 1];
float z = (float) data[i * 3 + 2];
vectors[i] = new Vector3f(x, y, z);
}
return vectors;
}
static Vector2f[] toVector2(double[] data) {
Vector2f[] vectors = new Vector2f[data.length / 2];
for (int i = 0; i < vectors.length; i++) {
float x = (float) data[i * 2];
float y = (float) data[i * 2 + 1];
vectors[i] = new Vector2f(x, y);
}
return vectors;
}
static ColorRGBA[] toColorRGBA(double[] data) {
ColorRGBA[] colors = new ColorRGBA[data.length / 4];
for (int i = 0; i < colors.length; i++) {
float r = (float) data[i * 4];
float g = (float) data[i * 4 + 1];
float b = (float) data[i * 4 + 2];
float a = (float) data[i * 4 + 3];
colors[i] = new ColorRGBA(r, g, b, a);
}
return colors;
}
}
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