Home | History | Annotate | Download | only in shader 
      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.shader;
     34 
     35 import com.jme3.asset.AssetKey;
     36 import com.jme3.export.InputCapsule;
     37 import com.jme3.export.JmeExporter;
     38 import com.jme3.export.JmeImporter;
     39 import com.jme3.export.OutputCapsule;
     40 import java.io.IOException;
     41 
     42 public class ShaderKey extends AssetKey<Shader> {
     43 
     44     protected String fragName;
     45     protected DefineList defines;
     46     protected String language;
     47 
     48     public ShaderKey(){
     49     }
     50 
     51     public ShaderKey(String vertName, String fragName, DefineList defines, String lang){
     52         super(vertName);
     53         this.fragName = fragName;
     54         this.defines = defines;
     55         this.language = lang;
     56     }
     57 
     58     @Override
     59     public String toString(){
     60         return "V="+name + " F=" + fragName + (defines != null ? defines : "");
     61     }
     62 
     63     @Override
     64     public boolean equals(Object obj) {
     65         if (obj == null){
     66             return false;
     67         }
     68         if (getClass() != obj.getClass()){
     69             return false;
     70         }
     71 
     72         final ShaderKey other = (ShaderKey) obj;
     73         if (name.equals(other.name) && fragName.equals(other.fragName)){
     74 //            return true;
     75             if (defines != null && other.defines != null)
     76                 return defines.getCompiled().equals(other.defines.getCompiled());
     77             else if (defines != null || other.defines != null)
     78                 return false;
     79             else
     80                 return true;
     81         }
     82         return false;
     83     }
     84 
     85     @Override
     86     public int hashCode() {
     87         int hash = 7;
     88         hash = 41 * hash + name.hashCode();
     89         hash = 41 * hash + fragName.hashCode();
     90         hash = 41 * hash + (defines != null ? defines.getCompiled().hashCode() : 0);
     91         return hash;
     92     }
     93 
     94     public DefineList getDefines() {
     95         return defines;
     96     }
     97 
     98     public String getVertName(){
     99         return name;
    100     }
    101 
    102     public String getFragName() {
    103         return fragName;
    104     }
    105 
    106     public String getLanguage() {
    107         return language;
    108     }
    109 
    110     @Override
    111     public void write(JmeExporter ex) throws IOException{
    112         super.write(ex);
    113         OutputCapsule oc = ex.getCapsule(this);
    114         oc.write(fragName, "fragment_name", null);
    115         oc.write(language, "language", null);
    116     }
    117 
    118     @Override
    119     public void read(JmeImporter im) throws IOException{
    120         super.read(im);
    121         InputCapsule ic = im.getCapsule(this);
    122         fragName = ic.readString("fragment_name", null);
    123         language = ic.readString("language", null);
    124     }
    125 
    126 }
    127