1/* 2 * Copyright (C) 2006 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17package android.opengl; 18 19import java.io.DataInputStream; 20import java.io.IOException; 21import javax.microedition.khronos.opengles.GL10; 22 23/** 24 * {@hide} 25 */ 26public class Material { 27 28 private Object3D parent; 29 private String name; 30 private String map_kd; 31 private float[] ka = new float[4]; 32 private float[] kd = new float[4]; 33 private float[] ks = new float[4]; 34 private float ns; 35 private int illum; 36 private float d; 37 38 private static float[] black = { 0.0f, 0.0f, 0.0f, 1.0f }; 39 40 public Material(Object3D parent) { 41 this.parent = parent; 42 } 43 44 public String getName() { 45 return name; 46 } 47 48 public String getMap_Kd() { 49 return map_kd; 50 } 51 52 public void setMaterialParameters(GL10 gl) { 53 gl.glMaterialfv(gl.GL_FRONT_AND_BACK, gl.GL_AMBIENT, kd, 0); 54 gl.glMaterialfv(gl.GL_FRONT_AND_BACK, gl.GL_DIFFUSE, kd, 0); 55 gl.glMaterialfv(gl.GL_FRONT_AND_BACK, gl.GL_SPECULAR, ks, 0); 56 gl.glMaterialf(gl.GL_FRONT_AND_BACK, gl.GL_SHININESS, 57 Math.min(Math.max(ns, 0), 128)); 58 59// if (illum == 0) { 60// gl.glMaterialfv(gl.GL_FRONT_AND_BACK, gl.GL_AMBIENT, kd, 0); 61// } else { 62// gl.glMaterialfv(gl.GL_FRONT_AND_BACK, gl.GL_AMBIENT, ka, 0); 63// gl.glMaterialfv(gl.GL_FRONT_AND_BACK, gl.GL_DIFFUSE, kd, 0); 64// } 65 66// if (illum > 1) { 67// gl.glMaterialfv(gl.GL_FRONT_AND_BACK, gl.GL_SPECULAR, ks, 0); 68// gl.glMaterialf(gl.GL_FRONT_AND_BACK, gl.GL_SHININESS, 69// Math.min(Math.max(ns, 0), 128)); 70// } else { 71// gl.glMaterialfv(gl.GL_FRONT_AND_BACK, gl.GL_SPECULAR, black, 0); 72// } 73 } 74 75 public void load(DataInputStream dis) throws IOException { 76 dis.readInt(); // name length 77 this.name = dis.readUTF(); 78 79 dis.readInt(); // map_kdLength 80 this.map_kd = dis.readUTF(); 81 82 if (parent.hasTexcoords() && map_kd.length() > 0) { 83 parent.loadTexture(map_kd); 84 } 85 86 this.ka[0] = dis.readFloat(); 87 this.ka[1] = dis.readFloat(); 88 this.ka[2] = dis.readFloat(); 89 this.ka[3] = dis.readFloat(); 90 91 this.kd[0] = dis.readFloat(); 92 this.kd[1] = dis.readFloat(); 93 this.kd[2] = dis.readFloat(); 94 this.kd[3] = dis.readFloat(); 95 96 this.ks[0] = dis.readFloat(); 97 this.ks[1] = dis.readFloat(); 98 this.ks[2] = dis.readFloat(); 99 this.ks[3] = dis.readFloat(); 100 101 this.ns = dis.readFloat(); 102 this.illum = dis.readInt(); 103 this.d = dis.readFloat(); 104 } 105 106 public String toString() { 107 return "Material[" + 108 "name=\"" + name + "\"," + 109 "ka={" + ka[0] + "," + ka[1] + "," + ka[2] + "}," + 110 "kd={" + kd[0] + "," + kd[1] + "," + kd[2] + "}," + 111 "ks={" + ks[0] + "," + ks[1] + "," + ks[2] + "}," + 112 "ns=" + ns + "," + 113 "map_kd=\"" + 114 (map_kd == null ? "" : map_kd) + 115 "\"," + 116 "illum=" + illum + "," + 117 "d=" + d + 118 "]"; 119 } 120} 121