1 | package pl.vorg.mowa.core.graphics;
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2 |
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3 | import java.io.File;
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4 | import java.nio.Buffer;
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5 |
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6 | import javax.media.opengl.GL;
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7 |
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8 | import com.framsticks.net.client3D.Log;
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9 | import com.sun.opengl.util.texture.Texture;
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10 | import com.sun.opengl.util.texture.TextureData;
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11 | import com.sun.opengl.util.texture.TextureIO;
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12 |
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13 | /**
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14 | * An environment texture.
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15 | */
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16 | public class SkyBox {
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17 |
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18 | Buffer buf;
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19 |
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20 | public boolean Init(GL gl) {
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21 |
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22 | return Init(gl, new String("res/img/Front.PNG"), new String(
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23 | "res/img/Back.PNG"), new String("res/img/Left.PNG"),
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24 | new String("res/img/Right.PNG"), new String("res/img/Top.PNG"),
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25 | new String("res/img/Bottom.PNG"));
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26 |
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27 | }
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28 |
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29 | public boolean Init(GL gl, String front, String back, String left,
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30 | String right, String top, String bottom) {
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31 | try {
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32 | m_tFront = LoadTex(front);
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33 | m_tBack = LoadTex(back);
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34 | m_tLeft = LoadTex(left);
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35 | ;
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36 | m_tRight = LoadTex(right);
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37 | m_tTop = LoadTex(top);
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38 | m_tBottom = LoadTex(bottom);
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39 | CreateCube(gl, front, back, left, right, top, bottom);
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40 | } catch (Exception e) {
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41 | Log.getInstance().log("err",
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42 | "SkyBox: Error while loading textures! " + e.getMessage());
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43 | return false;
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44 | }
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45 | return true;
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46 | }
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47 |
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48 | Texture LoadTex(String fileName) throws Exception {
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49 | Texture result = TextureIO.newTexture(new File(fileName), false);
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50 |
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51 | result.setTexParameteri(GL.GL_TEXTURE_WRAP_S, GL.GL_NONE);
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52 | result.setTexParameteri(GL.GL_TEXTURE_WRAP_T, GL.GL_NONE);
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53 | return result;
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54 |
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55 | }
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56 |
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57 | public void Draw(GL gl, float boxSize, Vec3 rot) {
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58 | boolean light = gl.glIsEnabled(GL.GL_LIGHTING);
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59 | gl.glDisable(GL.GL_LIGHTING);
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60 | float size = boxSize * (1.72f / 3);
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61 | // float pozx = 0 ,pozy = 0 ,pozz = 0;
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62 | // float clip = g_CCamera.m_fFarClip;
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63 | // g_CCamera.m_fFarClip = 1000;
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64 | // g_CCamera.Set();
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65 | gl.glPushMatrix();
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66 | gl.glLoadIdentity();
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67 | // glTranslatef(g_CCamera.GetPosition().x,g_CCamera.GetPosition().y,g_CCamera.GetPosition().z);
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68 | gl.glRotatef(rot.getX(), 1, 0, 0);
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69 | gl.glRotatef(rot.getY(), 0, 1, 0);
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70 | gl.glRotatef(rot.getZ(), 0, 0, 1);
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71 | gl.glDepthMask(false);
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72 | gl.glEnable(GL.GL_TEXTURE_2D);
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73 | m_tFront.bind();
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74 | gl.glColor4f(1.0f, 1.0f, 1.0f, 0.0f);
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75 | // gl.glBlendFunc(GL.GL_SRC_ALPHA, GL.GL_DST_COLOR);
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76 | // gl.glEnable(GL.GL_BLEND);
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77 | gl.glBegin(GL.GL_QUADS);
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78 | // front
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79 |
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80 | gl.glTexCoord2d(1, 1);
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81 | gl.glVertex3f((float) -size, (float) -size, (float) -size);
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82 | gl.glTexCoord2d(0, 1);
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83 | gl.glVertex3f((float) size, (float) -size, (float) -size);
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84 | gl.glTexCoord2d(0, 0);
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85 | gl.glVertex3f((float) size, (float) size, (float) -size);
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86 | gl.glTexCoord2d(1, 0);
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87 | gl.glVertex3f((float) -size, (float) size, (float) -size);
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88 | gl.glEnd();
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89 | // back
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90 | m_tBack.bind();
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91 | gl.glBegin(GL.GL_QUADS);
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92 | gl.glTexCoord2d(0, 1);
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93 | gl.glVertex3f((float) -size, (float) -size, (float) size);
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94 | gl.glTexCoord2d(0, 0);
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95 | gl.glVertex3f((float) -size, (float) size, (float) size);
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96 | gl.glTexCoord2d(1, 0);
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97 | gl.glVertex3f((float) size, (float) size, (float) size);
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98 | gl.glTexCoord2d(1, 1);
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99 | gl.glVertex3f((float) size, (float) -size, (float) size);
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100 | gl.glEnd();
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101 | // left
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102 | m_tLeft.bind();
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103 | gl.glBegin(GL.GL_QUADS);
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104 | gl.glTexCoord2d(0, 1);
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105 | gl.glVertex3f((float) -size, (float) -size, (float) -size);
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106 | gl.glTexCoord2d(0, 0);
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107 | gl.glVertex3f((float) -size, (float) size, (float) -size);
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108 | gl.glTexCoord2d(1, 0);
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109 | gl.glVertex3f((float) -size, (float) size, (float) size);
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110 | gl.glTexCoord2d(1, 1);
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111 | gl.glVertex3f((float) -size, (float) -size, (float) size);
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112 | gl.glEnd();
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113 | // Right
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114 | m_tRight.bind();
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115 | gl.glBegin(GL.GL_QUADS);
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116 | gl.glTexCoord2d(1, 1);
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117 | gl.glVertex3f((float) size, (float) -size, (float) -size);
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118 | gl.glTexCoord2d(0, 1);
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119 | gl.glVertex3f((float) size, (float) -size, (float) size);
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120 | gl.glTexCoord2d(0, 0);
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121 | gl.glVertex3f((float) size, (float) size, (float) size);
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122 | gl.glTexCoord2d(1, 0);
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123 | gl.glVertex3f((float) size, (float) size, (float) -size);
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124 | gl.glEnd();
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125 | // Top
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126 | m_tTop.bind();
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127 |
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128 | gl.glBegin(GL.GL_QUADS);
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129 | gl.glTexCoord2d(1, 0);
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130 | gl.glVertex3f((float) -size, (float) size, (float) size);
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131 | gl.glTexCoord2d(1, 1);
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132 | gl.glVertex3f((float) -size, (float) size, (float) -size);
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133 | gl.glTexCoord2d(0, 1);
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134 | gl.glVertex3f((float) size, (float) size, (float) -size);
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135 | gl.glTexCoord2d(0, 0);
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136 | gl.glVertex3f((float) size, (float) size, (float) size);
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137 | gl.glEnd();
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138 | // Bottom
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139 | m_tBottom.bind();
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140 |
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141 | gl.glBegin(GL.GL_QUADS);
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142 | gl.glTexCoord2d(1, 0);
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143 | gl.glVertex3f((float) -size, (float) -size, (float) -size);
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144 | gl.glTexCoord2d(1, 1);
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145 | gl.glVertex3f((float) -size, (float) -size, (float) size);
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146 | gl.glTexCoord2d(0, 1);
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147 | gl.glVertex3f((float) size, (float) -size, (float) size);
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148 | gl.glTexCoord2d(0, 0);
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149 | gl.glVertex3f((float) size, (float) -size, (float) -size);
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150 | gl.glEnd();
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151 | gl.glBindTexture(GL.GL_TEXTURE_2D, 0);
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152 | // gl.glDisable(GL.GL_BLEND);
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153 | // glEnable(GL_FOG);
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154 | gl.glPopMatrix();
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155 | if (light)
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156 | gl.glEnable(GL.GL_LIGHTING);
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157 | gl.glDepthMask(true);
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158 | }
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159 |
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160 | private int[] textureCubeMapId;
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161 |
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162 | void CreateCube(GL gl, String front, String back, String left,
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163 | String right, String top, String bottom) {
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164 | textureCubeMapId = new int[1];
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165 | int internalFormat = 0, format = 0, face = 0;
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166 |
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167 | gl.glPixelStorei(GL.GL_UNPACK_ALIGNMENT, 1);
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168 | gl.glGenTextures(1, textureCubeMapId, 0);
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169 | gl.glBindTexture(GL.GL_TEXTURE_CUBE_MAP, textureCubeMapId[0]);
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170 |
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171 | gl.glTexParameteri(GL.GL_TEXTURE_CUBE_MAP, GL.GL_TEXTURE_WRAP_S,
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172 | GL.GL_CLAMP_TO_EDGE);
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173 | gl.glTexParameteri(GL.GL_TEXTURE_CUBE_MAP, GL.GL_TEXTURE_WRAP_T,
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174 | GL.GL_CLAMP_TO_EDGE);
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175 | gl.glTexParameteri(GL.GL_TEXTURE_CUBE_MAP, GL.GL_TEXTURE_MAG_FILTER,
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176 | GL.GL_LINEAR);
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177 | gl.glTexParameteri(GL.GL_TEXTURE_CUBE_MAP, GL.GL_TEXTURE_MIN_FILTER,
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178 | GL.GL_LINEAR);
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179 | TextureData texDataFront = null;
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180 | TextureData texDataBack = null;
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181 | TextureData texDataLeft = null;
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182 | TextureData texDataRight = null;
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183 | TextureData texDataTop = null;
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184 | TextureData texDataBottom = null;
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185 | try {
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186 | texDataFront = TextureIO
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187 | .newTextureData(new File(front), true, null);
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188 | texDataBack = TextureIO.newTextureData(new File(back), true, null);
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189 | texDataLeft = TextureIO.newTextureData(new File(left), true, null);
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190 | texDataRight = TextureIO
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191 | .newTextureData(new File(right), true, null);
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192 | texDataTop = TextureIO.newTextureData(new File(top), true, null);
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193 | texDataBottom = TextureIO.newTextureData(new File(bottom), true,
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194 | null);
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195 | } catch (Exception e) {
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196 | Log.getInstance().log(
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197 | "err",
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198 | "SkyBox: Error while generating cube textures! "
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199 | + e.getMessage());
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200 | }
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201 | TextureData active = texDataFront;
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202 | for (int i = 0; i < 6; i++) {
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203 |
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204 | switch (i) {
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205 | case 0:
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206 | face = GL.GL_TEXTURE_CUBE_MAP_POSITIVE_X;
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207 | active = texDataRight;
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208 | break;
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209 | case 1:
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210 | face = GL.GL_TEXTURE_CUBE_MAP_NEGATIVE_X;
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211 | active = texDataLeft;
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212 | break;
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213 | case 2:
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214 | face = GL.GL_TEXTURE_CUBE_MAP_POSITIVE_Y;
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215 | active = texDataTop;
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216 | break;
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217 | case 3:
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218 | face = GL.GL_TEXTURE_CUBE_MAP_NEGATIVE_Y;
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219 | active = texDataBottom;
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220 | break;
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221 | case 4:
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222 | face = GL.GL_TEXTURE_CUBE_MAP_POSITIVE_Z;
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223 | active = texDataBack;
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224 | break;
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225 | case 5:
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226 | face = GL.GL_TEXTURE_CUBE_MAP_NEGATIVE_Z;
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227 | active = texDataFront;
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228 | break;
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229 | }
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230 | internalFormat = active.getInternalFormat();
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231 | internalFormat = GL.GL_RGB8;
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232 | // format = active.getPixelFormat() ;
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233 | format = GL.GL_RGB;
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234 |
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235 | // for (int j=0; j< active.getMipmapData().length; j++)
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236 | // gl.glTexImage2D(face, j, internalFormat, active.getWidth(),
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237 | // active.getHeight(),0, format, GL.GL_UNSIGNED_BYTE,
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238 | // active.getMipmapData()[j]);
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239 | gl.glTexImage2D(face, 0, internalFormat, active.getWidth(),
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240 | active.getHeight(), 0, format, GL.GL_UNSIGNED_BYTE,
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241 | active.getBuffer());
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242 | }
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243 |
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244 | }
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245 |
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246 | public int getCube() {
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247 | return textureCubeMapId[0];
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248 | }
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249 |
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250 | // void Kill() {m_tFront(); m_tBack.Free(); m_tLeft.Free(); m_tRight.Free();
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251 | // m_tTop.Free(); m_tBottom.Free();}
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252 |
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253 | Texture m_tFront;
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254 | Texture m_tBack;
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255 | Texture m_tLeft;
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256 | Texture m_tRight;
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257 | Texture m_tTop;
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258 | Texture m_tBottom;
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259 | }
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