1 /*
2  * Copyright (c) 2009-2010 jMonkeyEngine
3  * All rights reserved.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions are
7  * met:
8  *
9  * * Redistributions of source code must retain the above copyright
10  *   notice, this list of conditions and the following disclaimer.
11  *
12  * * Redistributions in binary form must reproduce the above copyright
13  *   notice, this list of conditions and the following disclaimer in the
14  *   documentation and/or other materials provided with the distribution.
15  *
16  * * Neither the name of 'jMonkeyEngine' nor the names of its contributors
17  *   may be used to endorse or promote products derived from this software
18  *   without specific prior written permission.
19  *
20  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
21  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
22  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
23  * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
24  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
25  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
26  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
27  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
28  * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
29  * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
30  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
31  */
32 
33 package com.jme3.scene.plugins.ogre.matext;
34 
35 import com.jme3.asset.AssetKey;
36 import com.jme3.asset.AssetManager;
37 import com.jme3.asset.AssetNotFoundException;
38 import com.jme3.asset.TextureKey;
39 import com.jme3.material.Material;
40 import com.jme3.material.MaterialList;
41 import com.jme3.scene.plugins.ogre.MaterialLoader;
42 import com.jme3.texture.Texture;
43 import com.jme3.texture.Texture.WrapMode;
44 import com.jme3.texture.Texture2D;
45 import com.jme3.util.PlaceholderAssets;
46 import com.jme3.util.blockparser.Statement;
47 import java.io.IOException;
48 import java.util.List;
49 import java.util.logging.Level;
50 import java.util.logging.Logger;
51 
52 /**
53  * Used internally by {@link MaterialLoader}
54  */
55 public class MaterialExtensionLoader {
56 
57     private static final Logger logger = Logger.getLogger(MaterialExtensionLoader.class.getName());
58 
59     private AssetKey key;
60     private AssetManager assetManager;
61     private MaterialList list;
62     private MaterialExtensionSet matExts;
63     private MaterialExtension matExt;
64     private String matName;
65     private Material material;
66 
67 
readExtendingMaterialStatement(Statement statement)68     private void readExtendingMaterialStatement(Statement statement) throws IOException {
69         if (statement.getLine().startsWith("set_texture_alias")){
70             String[] split = statement.getLine().split(" ", 3);
71             String aliasName = split[1];
72             String texturePath = split[2];
73 
74             String jmeParamName = matExt.getTextureMapping(aliasName);
75 
76             TextureKey texKey = new TextureKey(texturePath, false);
77             texKey.setGenerateMips(true);
78             texKey.setAsCube(false);
79             Texture tex;
80 
81             try {
82                 tex = assetManager.loadTexture(texKey);
83                 tex.setWrap(WrapMode.Repeat);
84             } catch (AssetNotFoundException ex){
85                 logger.log(Level.WARNING, "Cannot locate {0} for material {1}", new Object[]{texKey, key});
86                 tex = new Texture2D( PlaceholderAssets.getPlaceholderImage() );
87             }
88 
89             material.setTexture(jmeParamName, tex);
90         }
91     }
92 
readExtendingMaterial(Statement statement)93     private Material readExtendingMaterial(Statement statement) throws IOException{
94         String[] split = statement.getLine().split(" ", 2);
95         String[] subsplit = split[1].split(":");
96         matName = subsplit[0].trim();
97         String extendedMat = subsplit[1].trim();
98 
99         matExt = matExts.getMaterialExtension(extendedMat);
100         if (matExt == null){
101             logger.log(Level.WARNING, "Cannot find MaterialExtension for: {0}. Ignoring material.", extendedMat);
102             matExt = null;
103             return null;
104         }
105 
106         material = new Material(assetManager, matExt.getJmeMatDefName());
107         for (Statement extMatStat : statement.getContents()){
108             readExtendingMaterialStatement(extMatStat);
109         }
110         return material;
111     }
112 
load(AssetManager assetManager, AssetKey key, MaterialExtensionSet matExts, List<Statement> statements)113     public MaterialList load(AssetManager assetManager, AssetKey key, MaterialExtensionSet matExts,
114             List<Statement> statements) throws IOException{
115         this.assetManager = assetManager;
116         this.matExts = matExts;
117         this.key = key;
118 
119         list = new MaterialList();
120 
121         for (Statement statement : statements){
122             if (statement.getLine().startsWith("import")){
123                 // ignore
124                 continue;
125             }else if (statement.getLine().startsWith("material")){
126                 Material material = readExtendingMaterial(statement);
127                 list.put(matName, material);
128                 List<String> matAliases = matExts.getNameMappings(matName);
129                 if(matAliases != null){
130                     for (String string : matAliases) {
131                         list.put(string, material);
132                     }
133                 }
134             }
135         }
136         return list;
137     }
138 }
139