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.export.*; 36 import java.io.IOException; 37 38 public class ShaderVariable implements Savable { 39 40 // if -2, location not known 41 // if -1, not defined in shader 42 // if >= 0, uniform defined and available. 43 protected int location = -2; 44 45 /** 46 * Name of the uniform as was declared in the shader. 47 * E.g name = "g_WorldMatrix" if the decleration was 48 * "uniform mat4 g_WorldMatrix;". 49 */ 50 protected String name = null; 51 52 /** 53 * True if the shader value was changed. 54 */ 55 protected boolean updateNeeded = true;; 56 57 public void write(JmeExporter ex) throws IOException{ 58 OutputCapsule oc = ex.getCapsule(this); 59 oc.write(name, "name", null); 60 } 61 62 public void read(JmeImporter im) throws IOException{ 63 InputCapsule ic = im.getCapsule(this); 64 name = ic.readString("name", null); 65 } 66 67 public void setLocation(int location){ 68 this.location = location; 69 } 70 71 public int getLocation(){ 72 return location; 73 } 74 75 public void setName(String name){ 76 this.name = name; 77 } 78 79 public String getName(){ 80 return name; 81 } 82 83 } 84