1 | // GlutRTTAlap.cpp : Defines the entry point for the console application.
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2 | //
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3 |
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4 | #include "stdafx.h"
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5 | #include "ThirdPersonCamera.h"
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6 | #include <random.h>
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7 | #include <stdio.h>
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8 |
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9 | Scene theScene;
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10 | ThirdPersonCamera theCamera;
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11 | PreIllumSystem *theSystem;
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12 |
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13 | bool headsup=true;
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14 |
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15 | bool anim_on=false;
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16 | char* therendermode;
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17 | int rendermode=0;
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18 |
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19 | SkyBox theSkyBox;
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20 |
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21 | float lightposangle1=0.4;
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22 | float lightposangle2=1.2;
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23 |
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24 | bool isrecording=false;
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25 | int framenum;
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26 |
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27 | Vector SkyColor(0,0,0);
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28 |
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29 | Vector LightPos(0,5,-5);
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30 | //Vector LightColor(3,1.5,0);
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31 | Vector LightColor(4.6,4.6,5.1);
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32 | //Vector LightColor(0,0,0);
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33 |
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34 | Vector LightPos2(1,-10,-1);
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35 | //Vector LightColor2(0.7,0.4,0.5);
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36 | Vector LightColor2(5.6,5.7,6);
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37 | //Vector LightColor2(1,0,0);
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38 |
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39 | Vector positions[2];
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40 | float angle=0;
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41 |
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42 | unsigned int lastTime;
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43 | unsigned int frameRate=0;
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44 | unsigned int frameRateLast=0;
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45 | unsigned int timeElapsed;
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46 | unsigned int LastDtTime=0;
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47 | unsigned int Dt=0;
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48 | bool start=true;
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49 |
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50 | int direction=0;
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51 |
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52 | Impostor ScreenQuad;
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53 |
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54 | RenderTexture PhaseTexture;
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55 | CgProgram PhaseProgram;
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56 |
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57 |
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58 | void drawFrameRate(char *str, void *font, GLclampf r, GLclampf g, GLclampf b,
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59 | GLfloat x, GLfloat y) {
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60 | /* font: font to use, e.g., GLUT_BITMAP_HELVETICA_10
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61 | r, g, b: text colour
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62 | x, y: text position in window: range [0,0] (bottom left of window)
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63 | to [1,1] (top right of window). */
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64 |
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65 | char *ch;
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66 | GLint matrixMode;
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67 | GLboolean lightingOn;
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68 |
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69 | lightingOn= glIsEnabled(GL_LIGHTING); /* lighting on? */
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70 | if (lightingOn) glDisable(GL_LIGHTING);
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71 |
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72 | glGetIntegerv(GL_MATRIX_MODE, &matrixMode); /* matrix mode? */
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73 |
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74 | glMatrixMode(GL_PROJECTION);
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75 | glPushMatrix();
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76 | glLoadIdentity();
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77 | gluOrtho2D(0.0, 1.0, 0.0, 1.0);
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78 | glMatrixMode(GL_MODELVIEW);
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79 | glPushMatrix();
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80 | glLoadIdentity();
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81 | glPushAttrib(GL_COLOR_BUFFER_BIT); /* save current colour */
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82 | glColor4f(r, g, b,1);
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83 | glRasterPos3f(x, y, 0.0);
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84 | for(ch= str; *ch; ch++) {
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85 | glutBitmapCharacter(font, (int)*ch);
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86 | }
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87 | glPopAttrib();
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88 | glPopMatrix();
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89 | glMatrixMode(GL_PROJECTION);
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90 | glPopMatrix();
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91 | glMatrixMode(matrixMode);
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92 | if (lightingOn) glEnable(GL_LIGHTING);
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93 | glColor4f(1, 1, 1,1);
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94 | }
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95 |
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96 | void calculateFrameRate()
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97 | {
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98 | unsigned int thisTime=(unsigned)timeGetTime();
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99 | timeElapsed=thisTime-lastTime;
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100 | Dt=thisTime-LastDtTime;
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101 | LastDtTime=thisTime;
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102 | frameRate++;
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103 | if(timeElapsed>1000)
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104 | {
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105 | lastTime=thisTime;
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106 | frameRateLast=frameRate;
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107 | frameRate=0;
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108 | }
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109 | }
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110 |
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111 | void RenderPhaseTexture()
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112 | {
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113 | PhaseTexture.EnableTarget();
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114 | PhaseProgram.Enable();
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115 |
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116 | glClearColor(1,1,1,1);
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117 | glClear(GL_COLOR_BUFFER_BIT);
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118 |
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119 | glDisable(GL_DEPTH_TEST);
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120 | ScreenQuad.DisplayScreenQuad();
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121 | glEnable(GL_DEPTH_TEST);
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122 |
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123 | PhaseProgram.Disable();
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124 | PhaseTexture.DisableTarget();
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125 | PhaseTexture.BindColorBuffer();
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126 | }
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127 |
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128 | static void display()
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129 | {
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130 |
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131 | LightPos=Vector(cos(lightposangle1)*cos(lightposangle2),sin(lightposangle2),sin(lightposangle1)*cos(lightposangle2));
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132 | LightPos=LightPos*6;
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133 |
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134 | theSystem->setSkyColor(SkyColor);
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135 |
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136 | calculateFrameRate();
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137 |
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138 | if(anim_on)
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139 | angle+=0.5;
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140 |
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141 | if(start)
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142 | {
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143 | Dt=0;timeElapsed=0;
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144 | start=false;
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145 | }
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146 |
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147 | float x=cos(angle/180*3.14)*10;
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148 | float y=sin(angle/180*3.14)*10;
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149 | //float z=sin(angle/180*30+0.45)*1.5;
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150 | //LightPos.x=x;
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151 | //LightPos.z=y;
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152 | //LightPos.y=0;
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153 |
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154 |
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155 |
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156 | glEnable(GL_DEPTH_TEST);
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157 | glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
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158 |
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159 | theSkyBox.Display(theCamera);
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160 |
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161 | theCamera.SetViewandProjection();
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162 | //theScene.Display(false);
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163 |
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164 | glDisable(GL_LIGHTING);
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165 | glColor3f(LightColor.x/2.5,LightColor.y/2.5,LightColor.z/2.5);
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166 | glPushMatrix();
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167 | glTranslatef(LightPos.x,LightPos.y,LightPos.z);
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168 | glutSolidSphere(0.1,5,5);
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169 | glPopMatrix();
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170 |
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171 |
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172 | theSystem->Refresh(LightPos,LightPos2,LightColor,LightColor2);
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173 |
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174 | glDisable(GL_LIGHTING);
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175 | glColor3f(LightColor2.x/2.5,LightColor2.y/2.5,LightColor2.z/2.5);
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176 | glPushMatrix();
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177 | glTranslatef(LightPos2.x,LightPos2.y,LightPos2.z);
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178 | glutSolidSphere(0.1,5,5);
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179 | glPopMatrix();
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180 |
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181 | therendermode="Default Dislay";
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182 | if(rendermode==0)
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183 | theSystem->Display();
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184 | else
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185 | therendermode=theSystem->DisplayTexture(rendermode);
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186 |
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187 | char fr[255];
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188 | if(headsup)
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189 | {
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190 | sprintf( fr,"FPS:%u Iterate:%i RenderMode:%s Albedo:%f Opacity:%f",frameRateLast,theSystem->m_IterateCount,therendermode,theSystem->getAlbedo(),theSystem->getOpacity());
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191 | }
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192 | else
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193 | {
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194 | sprintf( fr,"LCol1: r:%.2f g:%.2f b:%.2f LCol2: r:%.2f g:%.2f b:%.2f SkyC: r:%.2f g:%.2f b:%.2f"
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195 | ,LightColor.x,LightColor.y,LightColor.z
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196 | ,LightColor2.x,LightColor2.y,LightColor2.z
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197 | ,SkyColor.x,SkyColor.y,SkyColor.z);
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198 | }
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199 | //sprintf( fr,"campos:%f %f %f lookat:%f %f %f",theCamera.getPosition().x,theCamera.getPosition().y,theCamera.getPosition().z,
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200 | // theCamera.getLookAt().x,theCamera.getLookAt().y,theCamera.getLookAt().z);
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201 | drawFrameRate(fr, GLUT_BITMAP_HELVETICA_10, 1.0f, 0.0f, 1.0f, 0.05, 0.95 );
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202 |
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203 | glutSwapBuffers();
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204 |
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205 | glutReportErrors();
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206 |
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207 | if(isrecording)
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208 | {
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209 | framenum++;
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210 | ilutGLScreenie();
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211 | char fname[25];
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212 | sprintf( fname,"img%i.tga",framenum);
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213 | rename("screen0.tga",fname);
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214 | }
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215 | }
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216 |
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217 |
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218 | void idle()
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219 | {
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220 | glutPostRedisplay();
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221 | }
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222 |
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223 | void getExts(void)
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224 | {
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225 | if(! glh_init_extensions(
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226 | "GL_ARB_multitexture "
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227 | "WGL_ARB_pbuffer "
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228 | "WGL_ARB_pixel_format "
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229 | "WGL_ARB_render_texture "
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230 | "GL_NV_vertex_program "
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231 | "GL_NV_fragment_program "
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232 | // "GL_ARB_vertex_program "
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233 | // "GL_ARB_fragment_program "
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234 | // "WGL_NV_float_buffer"
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235 | "GL_ARB_vertex_buffer_object "
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236 | "GL_ATI_draw_buffers "
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237 | "GL_EXT_blend_equation_separate "
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238 | "GL_EXT_blend_minmax "
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239 | "GL_EXT_blend_func_separate "
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240 | "GL_ARB_point_sprite "
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241 | "GL_ARB_point_parameters "
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242 | "GL_EXT_blend_color "
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243 | //"GL_EXT_pixel_buffer_object "
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244 | )) {
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245 | fprintf(stderr, "Error - required extensions were not supported: %s", glh_get_unsupported_extensions());
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246 | exit(-1);
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247 | }
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248 | }
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249 |
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250 | void specialkey(int key, int x, int y)
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251 | {
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252 | switch(key)
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253 | {
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254 | case GLUT_KEY_F1:
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255 | if(glutGetModifiers())
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256 | {
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257 | theSystem->m_IterateCount--;
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258 | if(theSystem->m_IterateCount==-1)
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259 | theSystem->m_IterateCount=0;
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260 | }
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261 | else
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262 | theSystem->m_IterateCount++;
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263 | break;
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264 |
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265 | case GLUT_KEY_F2:
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266 | if(glutGetModifiers())
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267 | {
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268 | theSystem->DecreaseAlbedo();
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269 | }
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270 | else
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271 | theSystem->IncreaseAlbedo();
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272 | break;
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273 |
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274 | case GLUT_KEY_F3:
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275 | if(glutGetModifiers())
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276 | {
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277 | theSystem->DecreaseOpacity();
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278 | }
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279 | else
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280 | theSystem->IncreaseOpacity();
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281 | break;
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282 |
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283 | case GLUT_KEY_F4:
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284 | if(glutGetModifiers())
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285 | {
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286 | LightColor.x-=0.1;
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287 | if(LightColor.x<0)LightColor.x=0;
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288 | }
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289 | else
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290 | {
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291 | LightColor.x+=0.1;
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292 | if(LightColor.x>6)LightColor.x=6;
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293 | }
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294 | break;
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295 | case GLUT_KEY_F5:
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296 | if(glutGetModifiers())
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297 | {
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298 | LightColor.y-=0.1;
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299 | if(LightColor.y<0)LightColor.y=0;
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300 | }
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301 | else
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302 | {
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303 | LightColor.y+=0.1;
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304 | if(LightColor.y>6)LightColor.y=6;
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305 | }
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306 | break;
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307 | case GLUT_KEY_F6:
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308 | if(glutGetModifiers())
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309 | {
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310 | LightColor.z-=0.1;
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311 | if(LightColor.z<0)LightColor.z=0;
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312 | }
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313 | else
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314 | {
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315 | LightColor.z+=0.1;
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316 | if(LightColor.z>6)LightColor.z=6;
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317 | }
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318 | break;
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319 |
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320 |
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321 | case GLUT_KEY_F7:
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322 | if(glutGetModifiers())
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323 | {
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324 | LightColor2.x-=0.1;
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325 | if(LightColor2.x<0)LightColor2.x=0;
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326 | }
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327 | else
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328 | {
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329 | LightColor2.x+=0.1;
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330 | if(LightColor2.x>6)LightColor2.x=6;
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331 | }
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332 | break;
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333 | case GLUT_KEY_F8:
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334 | if(glutGetModifiers())
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335 | {
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336 | LightColor2.y-=0.1;
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337 | if(LightColor2.y<0)LightColor2.y=0;
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338 | }
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339 | else
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340 | {
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341 | LightColor2.y+=0.1;
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342 | if(LightColor2.y>6)LightColor2.y=6;
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343 | }
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344 | break;
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345 | case GLUT_KEY_F9:
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346 | if(glutGetModifiers())
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347 | {
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348 | LightColor2.z-=0.1;
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349 | if(LightColor2.z<0)LightColor2.z=0;
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350 | }
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351 | else
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352 | {
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353 | LightColor2.z+=0.1;
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354 | if(LightColor2.z>6)LightColor2.z=6;
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355 | }
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356 | break;
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357 |
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358 |
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359 | case GLUT_KEY_F10:
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360 | if(glutGetModifiers())
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361 | {
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362 | SkyColor.x-=0.1;
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363 | if(SkyColor.x<0)SkyColor.x=0;
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364 | }
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365 | else
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366 | {
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367 | SkyColor.x+=0.1;
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368 | if(SkyColor.x>6)SkyColor.x=6;
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369 | }
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370 | break;
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371 | case GLUT_KEY_F11:
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372 | if(glutGetModifiers())
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373 | {
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374 | SkyColor.y-=0.1;
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375 | if(SkyColor.y<0)SkyColor.y=0;
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376 | }
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377 | else
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378 | {
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379 | SkyColor.y+=0.1;
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380 | if(SkyColor.y>6)SkyColor.y=6;
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381 | }
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382 | break;
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383 | case GLUT_KEY_F12:
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384 | if(glutGetModifiers())
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385 | {
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386 | SkyColor.z-=0.1;
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387 | if(SkyColor.z<0)SkyColor.z=0;
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388 | }
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389 | else
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390 | {
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391 | SkyColor.z+=0.1;
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392 | if(SkyColor.z>6)SkyColor.z=6;
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393 | }
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394 | break;
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395 | /*
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396 | case GLUT_KEY_LEFT:
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397 | //theCamera.Rotate(AXIS_Y,1);
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398 | theCamera.Rotate(Vector(0,1,0));
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399 | break;
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400 | case GLUT_KEY_RIGHT:
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401 | //theCamera.Rotate(AXIS_Y,-1);
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402 | theCamera.Rotate(Vector(0,-1,0));
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403 | break;
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404 | case GLUT_KEY_UP:
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405 | //theCamera.Rotate(AXIS_X,1);
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406 | theCamera.Rotate(Vector(1,0,0));
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407 | break;
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408 | case GLUT_KEY_DOWN:
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409 | //theCamera.Rotate(AXIS_X,-1);
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410 | theCamera.Rotate(Vector(-1,0,0));
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411 | break;
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412 |
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413 | */
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414 | case GLUT_KEY_LEFT:
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415 | lightposangle1+=0.02;
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416 | break;
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417 | case GLUT_KEY_RIGHT:
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418 | lightposangle1-=0.02;
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419 | break;
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420 | case GLUT_KEY_UP:
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421 | lightposangle2+=0.02;
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422 | break;
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423 | case GLUT_KEY_DOWN:
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424 | lightposangle2-=0.02;
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425 | break;
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426 | }
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427 | }
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428 |
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429 | static void keyboard(unsigned char key, int x, int y)
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430 | {
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431 |
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432 | switch(key)
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433 | {
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434 | case 27:
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435 | exit(0);
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436 | break;
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437 |
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438 | case ' ':
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439 | anim_on=!anim_on;
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440 | break;
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441 |
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442 | case 'w':
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443 | theCamera.Move(AXIS_Z,0.1);
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444 | break;
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445 | case 's':
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446 | theCamera.Move(AXIS_Z,-0.1);
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447 | break;
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448 | case 'd':
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449 | theCamera.Move(AXIS_X,0.1);
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450 | break;
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451 | case 'a':
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452 | theCamera.Move(AXIS_X,-0.1);
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453 | break;
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454 |
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455 | case 'r':
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456 | theCamera.Move(AXIS_Y,0.1);
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457 | break;
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458 | case 'f':
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459 | theCamera.Move(AXIS_Y,-0.1);
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460 | break;
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461 |
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462 | case 'l':
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463 | rendermode++;
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464 | if(rendermode==7)
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465 | rendermode=0;
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466 | break;
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467 |
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468 | case 'L':
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469 | rendermode--;
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470 | if(rendermode==-1)
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471 | rendermode=6;
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472 | break;
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473 |
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474 | case 'm':
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475 | ilutGLScreenie();//screenshot
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476 | break;
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477 |
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478 | case 'p':
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479 | theSystem->ResetIllumTexture();
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480 | break;
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481 | case 'o':
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482 | isrecording=!isrecording;
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483 | break;
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484 | case 'h':
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485 | headsup=!headsup;
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486 | break;
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487 | }
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488 | }
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489 |
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490 | void initOpenGL()
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491 | {
|
---|
492 | srand( (unsigned)timeGetTime() );
|
---|
493 |
|
---|
494 | glEnable(GL_DEPTH_TEST);
|
---|
495 | glClearDepth(1.0);
|
---|
496 | //glClearColor(.6, .5, 1.0, 0.0);
|
---|
497 | glClearColor(.6, .6, 0.6, 0.0);
|
---|
498 |
|
---|
499 | getExts();
|
---|
500 | /*
|
---|
501 | theCamera.Move(AXIS_X,0);
|
---|
502 | theCamera.Move(AXIS_Y,0);
|
---|
503 | theCamera.Move(AXIS_Z,-3); */
|
---|
504 | //theCamera.Rotate(AXIS_Y,115);
|
---|
505 | //theCamera.Rotate(AXIS_X,0);
|
---|
506 |
|
---|
507 | theCamera.setFarClipDistance(100);
|
---|
508 | theCamera.setNearClipDistance(0.01);
|
---|
509 |
|
---|
510 | theSkyBox.Initialize("bluedream");
|
---|
511 | //theSkyBox.Initialize("simple");
|
---|
512 |
|
---|
513 | //theScene.Load("thinker.txt");
|
---|
514 |
|
---|
515 | theSystem=new PreIllumSystem;
|
---|
516 | theSystem->SetEyeCamera(&theCamera);
|
---|
517 | theSystem->Init(512,128);
|
---|
518 | }
|
---|
519 |
|
---|
520 | int _tmain(int argc, _TCHAR* argv[])
|
---|
521 | {
|
---|
522 | //srand(timeGetTime());
|
---|
523 | glutInit(&argc, argv);
|
---|
524 | ilInit();
|
---|
525 | iluInit();
|
---|
526 | ilutRenderer(ILUT_OPENGL);
|
---|
527 |
|
---|
528 | glutInitDisplayMode(GLUT_DOUBLE | GLUT_RGB | GLUT_DEPTH);
|
---|
529 | glutInitWindowSize(512, 512);
|
---|
530 | glutCreateWindow("GlutRTTAlap");
|
---|
531 |
|
---|
532 | initOpenGL();
|
---|
533 |
|
---|
534 | glutSpecialFunc(specialkey);
|
---|
535 | glutKeyboardFunc(keyboard);
|
---|
536 | glutDisplayFunc(display);
|
---|
537 |
|
---|
538 | glutIdleFunc(idle);
|
---|
539 |
|
---|
540 | glutMainLoop();
|
---|
541 |
|
---|
542 | return 0;
|
---|
543 | }
|
---|
544 |
|
---|
545 |
|
---|