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
33package com.jme3.scene.plugins.ogre.matext;
34
35import com.jme3.asset.AssetKey;
36import com.jme3.asset.AssetManager;
37import com.jme3.asset.AssetNotFoundException;
38import com.jme3.asset.TextureKey;
39import com.jme3.material.Material;
40import com.jme3.material.MaterialList;
41import com.jme3.scene.plugins.ogre.MaterialLoader;
42import com.jme3.texture.Texture;
43import com.jme3.texture.Texture.WrapMode;
44import com.jme3.texture.Texture2D;
45import com.jme3.util.PlaceholderAssets;
46import com.jme3.util.blockparser.Statement;
47import java.io.IOException;
48import java.util.List;
49import java.util.logging.Level;
50import java.util.logging.Logger;
51
52/**
53 * Used internally by {@link MaterialLoader}
54 */
55public 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
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
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
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