[3255] | 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 <random.h>
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| 6 | #include <stdio.h>
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| 7 | #include <My3DGraphRes\ThirdPersonCamera.h>
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| 8 |
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| 9 |
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| 10 | bool headsupdisplay=false;
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| 11 | bool showplane=true;
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| 12 | Scene theScene;
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| 13 | Scene thePlane;
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| 14 | Vector planeRotate;
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| 15 | Vector planePosition;
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| 16 | float planespeed=0;
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| 17 | float* transformmatrix=new float[16];
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| 18 | bool isrecording=false;
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| 19 | int framenum=0;
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| 20 | AdvancedParticleSystem theSystem;
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| 21 | //ThirdPersonCamera theCamera;
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| 22 | Camera theCamera;
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| 23 |
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| 24 | SkyBox theSkyBox;
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| 25 |
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| 26 | Vector LightPos(12,74,-33);
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| 27 | Vector LightColor(.85,.90,0.93);
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| 28 | float angle=0;
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| 29 |
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| 30 | unsigned int lastTime;
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| 31 | unsigned int frameRate=0;
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| 32 | unsigned int frameRateLast=0;
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| 33 | unsigned int timeElapsed;
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| 34 | unsigned int LastDtTime=0;
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| 35 | unsigned int Dt=0;
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| 36 | bool start=true;
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| 37 | int animtime=0;
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| 38 |
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| 39 | int x0=-1;
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| 40 | int y00=-1;
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| 41 |
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| 42 | char* rendermodes[]={"No shading","Single Scattering","Multiple Forward","Multiple Anisotropic" };
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| 43 |
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| 44 | Impostor ScreenQuad;
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| 45 | RenderTexture PhaseTexture;
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| 46 | CgProgram PhaseProgram;
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| 47 |
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| 48 | RenderTexture AngleTexture;
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| 49 | CgProgram AngleProgram;
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| 50 |
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| 51 | int displaytex=0;
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| 52 |
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| 53 | TransformAnimation cameraanim;
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| 54 | TransformAnimation planeanim;
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| 55 | bool animplaying=true;
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| 56 | int currentframe=0;
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| 57 | int framerate=30;//fps
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| 58 | float oneframeduration=1000.0f/30.0f;
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| 59 | float interpolationvalue=0;
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| 60 |
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| 61 | void drawFrameRate(char *str, void *font, GLclampf r, GLclampf g, GLclampf b,
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| 62 | GLfloat x, GLfloat y) {
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| 63 | /* font: font to use, e.g., GLUT_BITMAP_HELVETICA_10
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| 64 | r, g, b: text colour
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| 65 | x, y: text position in window: range [0,0] (bottom left of window)
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| 66 | to [1,1] (top right of window). */
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| 67 |
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| 68 | glDisable(GL_TEXTURE_2D);
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| 69 | char *ch;
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| 70 | GLint matrixMode;
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| 71 | GLboolean lightingOn;
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| 72 |
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| 73 | lightingOn= glIsEnabled(GL_LIGHTING); /* lighting on? */
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| 74 | if (lightingOn) glDisable(GL_LIGHTING);
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| 75 |
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| 76 | glGetIntegerv(GL_MATRIX_MODE, &matrixMode); /* matrix mode? */
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| 77 |
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| 78 | glMatrixMode(GL_PROJECTION);
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| 79 | glPushMatrix();
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| 80 | glLoadIdentity();
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| 81 | gluOrtho2D(0.0, 1.0, 0.0, 1.0);
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| 82 | glMatrixMode(GL_MODELVIEW);
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| 83 | glPushMatrix();
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| 84 | glLoadIdentity();
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| 85 | glPushAttrib(GL_COLOR_BUFFER_BIT); /* save current colour */
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| 86 | glColor4f(r, g, b,1);
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| 87 | glRasterPos3f(x, y, 0.0);
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| 88 | for(ch= str; *ch; ch++) {
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| 89 | glutBitmapCharacter(font, (int)*ch);
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| 90 | }
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| 91 | glPopAttrib();
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| 92 | glPopMatrix();
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| 93 | glMatrixMode(GL_PROJECTION);
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| 94 | glPopMatrix();
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| 95 | glMatrixMode(matrixMode);
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| 96 | if (lightingOn) glEnable(GL_LIGHTING);
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| 97 | glColor4f(1, 1, 1,1);
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| 98 | glEnable(GL_TEXTURE_2D);
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| 99 | }
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| 100 |
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| 101 | void calculateFrameRate()
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| 102 | {
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| 103 | unsigned int thisTime=(unsigned)timeGetTime();
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| 104 | timeElapsed=thisTime-lastTime;
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| 105 | Dt=thisTime-LastDtTime;
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| 106 | LastDtTime=thisTime;
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| 107 | frameRate++;
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| 108 | if(timeElapsed>1000)
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| 109 | {
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| 110 | lastTime=thisTime;
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| 111 | frameRateLast=frameRate;
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| 112 | frameRate=0;
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| 113 | }
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| 114 | if(animplaying)
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| 115 | {
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| 116 | //calculate animation
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| 117 | currentframe++;
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| 118 | if(currentframe==planeanim.framecount)
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| 119 | {
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| 120 | currentframe=0;
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| 121 | }
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| 122 | }
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| 123 | }
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| 124 |
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| 125 | void RenderPhaseTexture()
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| 126 | {
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| 127 | PhaseTexture.EnableTarget();
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| 128 | PhaseProgram.Enable();
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| 129 |
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| 130 | glClearColor(1,1,1,1);
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| 131 | glClear(GL_COLOR_BUFFER_BIT);
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| 132 |
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| 133 | glDisable(GL_DEPTH_TEST);
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| 134 | ScreenQuad.DisplayScreenQuad();
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| 135 | glEnable(GL_DEPTH_TEST);
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| 136 |
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| 137 | PhaseProgram.Disable();
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| 138 | PhaseTexture.DisableTarget();
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| 139 | PhaseTexture.BindColorBuffer();
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| 140 |
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| 141 | //angle texture
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| 142 |
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| 143 | AngleTexture.EnableTarget();
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| 144 | AngleProgram.Enable();
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| 145 |
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| 146 | glClearColor(1,1,1,1);
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| 147 | glClear(GL_COLOR_BUFFER_BIT);
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| 148 |
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| 149 | glDisable(GL_DEPTH_TEST);
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| 150 | ScreenQuad.DisplayScreenQuad();
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| 151 | glEnable(GL_DEPTH_TEST);
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| 152 |
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| 153 | AngleProgram.Disable();
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| 154 | AngleTexture.DisableTarget();
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| 155 | AngleTexture.BindColorBuffer();
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| 156 |
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| 157 |
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| 158 | }
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| 159 |
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| 160 | static void display()
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| 161 | {
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| 162 | calculateFrameRate();
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| 163 |
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| 164 | angle+=0.4;
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| 165 |
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| 166 | if(start)
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| 167 | {
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| 168 | Dt=0;timeElapsed=0;
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| 169 | start=false;
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| 170 | }
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| 171 | float x=cos(angle/180*3.14)*2.5;
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| 172 | float y=sin(angle/180*3.14)*2.5;
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| 173 |
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| 174 | theScene.m_Lights[0].m_Position=Vector(60,40,-80);
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| 175 | LightPos=theScene.m_Lights[0].m_Position;
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| 176 |
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| 177 | theSystem.m_LightColor=LightColor;
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| 178 |
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| 179 | glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
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| 180 |
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| 181 | theSkyBox.Display(theCamera);
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| 182 |
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| 183 | if(animplaying)
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| 184 | {
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| 185 | theCamera.m_Orientation=cameraanim.getRotate(currentframe);
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| 186 | theCamera.m_EyePosition=cameraanim.getTranslate(currentframe);
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| 187 | theCamera.SetViewandProjectionNew();
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| 188 | }
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| 189 | else
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| 190 | {
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| 191 | theCamera.SetViewandProjectionNew();
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| 192 | }
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| 193 |
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| 194 |
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| 195 | glPushMatrix();
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| 196 | //glTranslatef(0,-20,0);
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| 197 | glShadeModel(GL_SMOOTH);
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| 198 | //glScalef(1,1.5,1);
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| 199 | theScene.Display(true);
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| 200 | glShadeModel(GL_FLAT);
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| 201 | glPopMatrix();
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| 202 |
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| 203 |
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| 204 | if(showplane)
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| 205 | {
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| 206 | theSystem.theScene=&thePlane;
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| 207 | //if(animplaying)
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| 208 | //{
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| 209 | glMatrixMode(GL_MODELVIEW);
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| 210 | glPushMatrix();
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| 211 |
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| 212 | Vector trans=planeanim.getTranslate(currentframe);
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| 213 | glTranslatef(trans.x,trans.y,trans.z);
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| 214 |
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| 215 | Vector rot=planeanim.getRotate(currentframe);
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| 216 | glRotatef(rot.z,0,0,1);
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| 217 | glRotatef(rot.y,0,1,0);
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| 218 | glRotatef(rot.x,1,0,0);
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| 219 |
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| 220 |
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| 221 | // glMultMatrixf(planeanim.getMatrix(currentframe));
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| 222 | glGetFloatv(GL_MODELVIEW_MATRIX,transformmatrix);
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| 223 |
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| 224 | thePlane.Display(false);
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| 225 |
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| 226 | glPopMatrix();
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| 227 |
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| 228 | theSystem.setSceneTransformMatrix(transformmatrix);
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| 229 | /*}
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| 230 | else
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| 231 | {
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| 232 | glMatrixMode(GL_MODELVIEW);
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| 233 | glPushMatrix();
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| 234 | glLoadIdentity();
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| 235 |
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| 236 | //glLightfv(GL_LIGHT0,GL_POSITION,(LightPos-theCamera.getPosition()).GetArrayf());
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| 237 |
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| 238 | glTranslatef(0,-0.3,-(2+planespeed/2));
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| 239 | glRotatef(planeRotate.z,0,0,1);
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| 240 | glRotatef(planeRotate.x,1,0,0);
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| 241 | glRotatef(10,1,0,0);
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| 242 | glRotatef(180,0,1,0);
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| 243 | glGetFloatv(GL_MODELVIEW_MATRIX,transformmatrix);
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| 244 | thePlane.Display(false);
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| 245 | glPopMatrix();
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| 246 |
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| 247 | theSystem.setSceneTransformMatrix(transformmatrix);
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| 248 | }*/
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| 249 | }
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| 250 | else
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| 251 | {
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| 252 | theSystem.m_HasSceneTransformMatrix=false;
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| 253 | theSystem.theScene=&theScene;
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| 254 | }
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| 255 |
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| 256 | glEnable(GL_DEPTH_TEST);
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| 257 |
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| 258 | glDisable(GL_LIGHTING);
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| 259 | /*
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| 260 | //light
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| 261 | glPushMatrix();
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| 262 | glColor3f(1,0.7,0);
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| 263 | glTranslatef(LightPos.x,LightPos.y,LightPos.z);
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| 264 | glutSolidSphere(3,6,6);
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| 265 | glPopMatrix();
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| 266 | */
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| 267 | glDisable(GL_BLEND);
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| 268 |
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| 269 | theSystem.Refresh(&theCamera,LightPos,Dt,timeElapsed);
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| 270 |
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| 271 | theSystem.Display(&theCamera,LightPos);
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| 272 |
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| 273 | //theSystem.displayillum(&theCamera);
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| 274 | //theSystem.displaytexture(displaytex);
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| 275 |
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| 276 | char fr[255];
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| 277 | sprintf( fr,"FPS:%u Density: %f Albedo: %f Symmetry: %f Rendermode:%s",frameRateLast,theSystem.transparency,theSystem.albedo,theSystem.symmetry,rendermodes[theSystem.m_PSys_RenderMode]);
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| 278 | //sprintf( fr,"FPS:%u Density: %f Albedo: %f Symmetry: %f Rendermode:%i",frameRateLast,theSystem.transparency,theSystem.albedo,theSystem.symmetry,displaytex);
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| 279 |
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| 280 | if(headsupdisplay)
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| 281 | drawFrameRate(fr, GLUT_BITMAP_HELVETICA_10, 1.0f, 0.0f, 1.0f, 0.05, 0.95 );
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| 282 |
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| 283 | if(isrecording)
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| 284 | {
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| 285 | framenum++;
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| 286 | ilutGLScreenie();
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| 287 | char fname[25];
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| 288 | sprintf( fname,"smoke%i.tga",framenum);
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| 289 | rename("screen0.tga",fname);
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| 290 |
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| 291 | }
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| 292 |
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| 293 | glutSwapBuffers();
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| 294 |
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| 295 | glutReportErrors();
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| 296 | // glutPostRedisplay();
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| 297 | }
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| 298 |
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| 299 |
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| 300 | void idle()
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| 301 | {
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| 302 | glutPostRedisplay();
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| 303 | }
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| 304 |
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| 305 | void getExts(void)
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| 306 | {
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| 307 | if(! glh_init_extensions(
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| 308 | "GL_ARB_multitexture "
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| 309 | "WGL_ARB_pbuffer "
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| 310 | "WGL_ARB_pixel_format "
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| 311 | "WGL_ARB_render_texture "
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| 312 | "GL_NV_vertex_program "
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| 313 | "GL_NV_fragment_program "
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| 314 | // "GL_ARB_vertex_program "
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| 315 | // "GL_ARB_fragment_program "
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| 316 | // "WGL_NV_float_buffer"
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| 317 | "GL_ARB_vertex_buffer_object "
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| 318 | "GL_ATI_draw_buffers "
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| 319 | "GL_EXT_blend_equation_separate "
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| 320 | "GL_EXT_blend_minmax "
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| 321 | "GL_EXT_blend_func_separate "
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| 322 | "GL_EXT_blend_color "
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| 323 | //"GL_EXT_pixel_buffer_object "
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| 324 | )) {
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| 325 | fprintf(stderr, "Error - required extensions were not supported: %s", glh_get_unsupported_extensions());
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| 326 | exit(-1);
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| 327 | }
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| 328 | }
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| 329 |
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| 330 | void specialkey(int key, int x, int y)
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| 331 | {
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| 332 | switch(key)
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| 333 | {
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| 334 | case GLUT_KEY_LEFT:
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| 335 | theCamera.Rotate(AXIS_Y,1);
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| 336 | break;
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| 337 | case GLUT_KEY_RIGHT:
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| 338 | theCamera.Rotate(AXIS_Y,-1);
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| 339 | break;
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| 340 | case GLUT_KEY_UP:
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| 341 | theCamera.Rotate(AXIS_X,1);
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| 342 | break;
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| 343 | case GLUT_KEY_DOWN:
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| 344 | theCamera.Rotate(AXIS_X,-1);
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| 345 | break;
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| 346 |
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| 347 | case GLUT_KEY_F2:
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| 348 | if(glutGetModifiers())
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| 349 | theSystem.DecreaseAlbedo();
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| 350 | else
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| 351 | theSystem.IncreaseAlbedo();
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| 352 | break;
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| 353 | case GLUT_KEY_F1:
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| 354 | if(glutGetModifiers())
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| 355 | theSystem.DecreaseTransparency();
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| 356 | else
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| 357 | theSystem.IncreaseTransparency();
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| 358 | break;
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| 359 | case GLUT_KEY_F3:
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| 360 | if(glutGetModifiers())
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| 361 | theSystem.DecreaseSymmetry();
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| 362 | else
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| 363 | theSystem.IncreaseSymmetry();
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| 364 | break;
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| 365 |
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| 366 | }
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| 367 | }
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| 368 |
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| 369 | static void keyboard(unsigned char key, int x, int y)
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| 370 | {
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| 371 |
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| 372 | switch(key)
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| 373 | {
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| 374 | case 27:
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| 375 | exit(0);
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| 376 | break;
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| 377 |
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| 378 | case 'w':
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| 379 | theCamera.Move(AXIS_Z,0.5);
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| 380 | //planespeed+=0.35;
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| 381 |
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| 382 | break;
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| 383 | case 's':
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| 384 | theCamera.Move(AXIS_Z,-0.5);
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| 385 | //planespeed-=0.15;
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| 386 | break;
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| 387 | case 'd':
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| 388 | theCamera.Move(AXIS_X,0.5);
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| 389 | break;
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| 390 | case 'a':
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| 391 | theCamera.Move(AXIS_X,-0.5);
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| 392 | break;
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| 393 |
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| 394 | case 'r':
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| 395 | theCamera.Move(AXIS_Y,0.5);
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| 396 | break;
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| 397 | case 'f':
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| 398 | theCamera.Move(AXIS_Y,-0.5);
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| 399 | break;
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| 400 |
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| 401 | case 'm':
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| 402 | ilutGLScreenie();//screenshot
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| 403 | break;
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| 404 |
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| 405 | case 'i':
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| 406 | theSystem.depthcalc=!theSystem.depthcalc;
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| 407 | break;
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| 408 | case 'L':
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| 409 | theSystem.m_PSys_RenderMode--;
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| 410 | if(theSystem.m_PSys_RenderMode<0)theSystem.m_PSys_RenderMode=3;
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| 411 | break;
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| 412 | case 'l':
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| 413 | theSystem.m_PSys_RenderMode++;
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| 414 | if(theSystem.m_PSys_RenderMode>2)theSystem.m_PSys_RenderMode=0;
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| 415 | break;
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| 416 | case 'k':
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| 417 | displaytex++;
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| 418 | if(displaytex>2)displaytex=0;
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| 419 | break;
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| 420 |
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| 421 | case 'p':
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| 422 | isrecording=!isrecording;
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| 423 | break;
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| 424 | case 'o':
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| 425 | //if(!animplaying)currentframe=0;
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| 426 | animplaying=!animplaying;
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| 427 | break;
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| 428 |
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| 429 | case 'h':
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| 430 | headsupdisplay=!headsupdisplay;
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| 431 | break;
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| 432 |
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| 433 | case 'j':
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| 434 | showplane=!showplane;
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| 435 | break;
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| 436 |
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| 437 | }
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| 438 | }
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| 439 |
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| 440 | void mouseMove(int x, int y)
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| 441 | {
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| 442 | if(x0==-1)
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| 443 | {
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| 444 | x0=x;
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| 445 | y00=y;
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| 446 | }
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| 447 |
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| 448 | int dx=x-x0;
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| 449 | int dy=y-y00;
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| 450 |
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| 451 | theCamera.Rotate(Vector(0,((float)-dx)/10.0,0));
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| 452 | theCamera.Rotate(Vector(((float)-dy)/10.0,0,0));
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| 453 |
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| 454 | x0=x;
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| 455 | y00=y;
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| 456 | }
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| 457 | void mouseButton(int button, int state,int x, int y)
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| 458 | {
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| 459 | if(state==GLUT_UP)
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| 460 | {
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| 461 | x0=-1;
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| 462 | y00=-1;
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| 463 | }
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| 464 | }
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| 465 |
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| 466 |
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| 467 | void initOpenGL()
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| 468 | {
|
---|
| 469 | srand( (unsigned)timeGetTime() );
|
---|
| 470 |
|
---|
| 471 | glEnable(GL_DEPTH_TEST);
|
---|
| 472 | glClearDepth(1.0);
|
---|
| 473 | glClearColor(0,0,0, 0.0);
|
---|
| 474 | glEnable(GL_BLEND);
|
---|
| 475 |
|
---|
| 476 | getExts();
|
---|
| 477 |
|
---|
| 478 | theSystem.Initialize();
|
---|
| 479 | theSystem.m_BillboardTexture.setFilename("gradient.png");
|
---|
| 480 | //theSystem.m_BillboardTexture.setFilename("pamacs.dds");
|
---|
| 481 | theSystem.m_BillboardTexture.LoadImage();
|
---|
| 482 | theSystem.m_BbFrontDepthTexture.setFilename("2.dds");
|
---|
| 483 | theSystem.m_BbFrontDepthTexture.LoadImage();
|
---|
| 484 | theSystem.m_BbBackDepthTexture.setFilename("3.dds");
|
---|
| 485 | theSystem.m_BbBackDepthTexture.LoadImage();
|
---|
| 486 |
|
---|
| 487 | PhaseTexture.Initialize(256,256,"r float=16 textureRECT");
|
---|
| 488 | PhaseProgram.SetProgramFiles("PhaseFunction.cg","PhaseFunction.cg");
|
---|
| 489 | PhaseProgram.SetProgramEntries("VertexProgram","FragmentProgram");
|
---|
| 490 | PhaseProgram.InitPrograms();
|
---|
| 491 |
|
---|
| 492 | AngleTexture.Initialize(256,256,"r float=16 textureRECT");
|
---|
| 493 | AngleProgram.SetProgramFiles("Angle.cg","Angle.cg");
|
---|
| 494 | AngleProgram.SetProgramEntries("VertexProgram","FragmentProgram");
|
---|
| 495 | AngleProgram.InitPrograms();
|
---|
| 496 |
|
---|
| 497 | theCamera.setFarClipDistance(300);
|
---|
| 498 | theCamera.setFovX(54.43);
|
---|
| 499 |
|
---|
| 500 |
|
---|
| 501 | RenderPhaseTexture();
|
---|
| 502 | theSystem.PhaseTexID=PhaseTexture.getColorTextureID();
|
---|
| 503 | theSystem.AngleTexID=AngleTexture.getColorTextureID();
|
---|
| 504 |
|
---|
| 505 | theSkyBox.Initialize("greydream");
|
---|
| 506 |
|
---|
| 507 | theScene.Load("hegyek.txt");
|
---|
| 508 | thePlane.Load("plane3.txt");
|
---|
| 509 |
|
---|
| 510 | cameraanim.Load("cameraanim.txt");
|
---|
| 511 | planeanim.Load("planeanim.txt");
|
---|
| 512 | }
|
---|
| 513 |
|
---|
| 514 | int _tmain(int argc, _TCHAR* argv[])
|
---|
| 515 | {
|
---|
| 516 | glutInit(&argc, argv);
|
---|
| 517 | ilInit();
|
---|
| 518 | iluInit();
|
---|
| 519 | ilutRenderer(ILUT_OPENGL);
|
---|
| 520 |
|
---|
| 521 | glutInitDisplayMode(GLUT_DOUBLE | GLUT_RGB | GLUT_DEPTH);
|
---|
| 522 | glutInitWindowSize(512, 512);
|
---|
| 523 | glutCreateWindow("GlutRTTAlap");
|
---|
| 524 |
|
---|
| 525 | initOpenGL();
|
---|
| 526 |
|
---|
| 527 | glutSpecialFunc(specialkey);
|
---|
| 528 | glutKeyboardFunc(keyboard);
|
---|
| 529 | glutMotionFunc(mouseMove);
|
---|
| 530 | glutMouseFunc(mouseButton);
|
---|
| 531 | glutDisplayFunc(display);
|
---|
| 532 |
|
---|
| 533 | glutIdleFunc(idle);
|
---|
| 534 |
|
---|
| 535 | glutMainLoop();
|
---|
| 536 |
|
---|
| 537 | return 0;
|
---|
| 538 | }
|
---|
| 539 |
|
---|