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3329
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1
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2 /* Copyright (c) Mark J. Kilgard, 1994. */
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3
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4 /**
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5 * (c) Copyright 1993, 1994, Silicon Graphics, Inc.
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6 * ALL RIGHTS RESERVED
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7 * Permission to use, copy, modify, and distribute this software for
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8 * any purpose and without fee is hereby granted, provided that the above
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9 * copyright notice appear in all copies and that both the copyright notice
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10 * and this permission notice appear in supporting documentation, and that
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11 * the name of Silicon Graphics, Inc. not be used in advertising
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12 * or publicity pertaining to distribution of the software without specific,
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13 * written prior permission.
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14 *
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15 * THE MATERIAL EMBODIED ON THIS SOFTWARE IS PROVIDED TO YOU "AS-IS"
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16 * AND WITHOUT WARRANTY OF ANY KIND, EXPRESS, IMPLIED OR OTHERWISE,
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17 * INCLUDING WITHOUT LIMITATION, ANY WARRANTY OF MERCHANTABILITY OR
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18 * FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT SHALL SILICON
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19 * GRAPHICS, INC. BE LIABLE TO YOU OR ANYONE ELSE FOR ANY DIRECT,
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20 * SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY
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21 * KIND, OR ANY DAMAGES WHATSOEVER, INCLUDING WITHOUT LIMITATION,
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22 * LOSS OF PROFIT, LOSS OF USE, SAVINGS OR REVENUE, OR THE CLAIMS OF
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23 * THIRD PARTIES, WHETHER OR NOT SILICON GRAPHICS, INC. HAS BEEN
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24 * ADVISED OF THE POSSIBILITY OF SUCH LOSS, HOWEVER CAUSED AND ON
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25 * ANY THEORY OF LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE
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26 * POSSESSION, USE OR PERFORMANCE OF THIS SOFTWARE.
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27 *
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28 * US Government Users Restricted Rights
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29 * Use, duplication, or disclosure by the Government is subject to
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30 * restrictions set forth in FAR 52.227.19(c)(2) or subparagraph
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31 * (c)(1)(ii) of the Rights in Technical Data and Computer Software
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32 * clause at DFARS 252.227-7013 and/or in similar or successor
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33 * clauses in the FAR or the DOD or NASA FAR Supplement.
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34 * Unpublished-- rights reserved under the copyright laws of the
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35 * United States. Contractor/manufacturer is Silicon Graphics,
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36 * Inc., 2011 N. Shoreline Blvd., Mountain View, CA 94039-7311.
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37 *
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38 * OpenGL(TM) is a trademark of Silicon Graphics, Inc.
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39 */
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40 #include <stdio.h>
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41 #include <stdlib.h>
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42 #include <string.h>
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43 #include <math.h>
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44 #include <sys/time.h>
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45 #include <GLUT/glut.h>
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46 #include "atlantis.h"
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47
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48 fishRec sharks[NUM_SHARKS];
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49 fishRec momWhale;
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50 fishRec babyWhale;
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51 fishRec dolph;
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52
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53 GLboolean Timing = GL_TRUE;
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54
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55 int w_win = 640;
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56 int h_win = 480;
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57 GLint count = 0;
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58 GLenum StrMode = GL_VENDOR;
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59
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60 GLboolean moving;
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61
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62 static double mtime(void)
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63 {
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64 struct timeval tk_time;
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65 struct timezone tz;
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66
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67 gettimeofday(&tk_time, &tz);
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68
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69 return 4294.967296 * tk_time.tv_sec + 0.000001 * tk_time.tv_usec;
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70 }
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71
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72 static double filter(double in, double *save)
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73 {
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74 static double k1 = 0.9;
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75 static double k2 = 0.05;
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76
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77 save[3] = in;
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78 save[1] = save[0]*k1 + k2*(save[3] + save[2]);
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79
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80 save[0]=save[1];
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81 save[2]=save[3];
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82
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83 return(save[1]);
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84 }
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85
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86 void DrawStr(const char *str)
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87 {
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88 GLint i = 0;
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89
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90 if(!str) return;
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91
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92 while(str[i])
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93 {
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94 glutBitmapCharacter(GLUT_BITMAP_HELVETICA_12, str[i]);
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95 i++;
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96 }
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97 }
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98
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99 void
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100 InitFishs(void)
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101 {
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102 int i;
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103
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104 for (i = 0; i < NUM_SHARKS; i++) {
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105 sharks[i].x = 70000.0 + rand() % 6000;
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106 sharks[i].y = rand() % 6000;
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107 sharks[i].z = rand() % 6000;
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108 sharks[i].psi = rand() % 360 - 180.0;
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109 sharks[i].v = 1.0;
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110 }
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111
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112 dolph.x = 30000.0;
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113 dolph.y = 0.0;
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114 dolph.z = 6000.0;
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115 dolph.psi = 90.0;
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116 dolph.theta = 0.0;
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117 dolph.v = 3.0;
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118
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119 momWhale.x = 70000.0;
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120 momWhale.y = 0.0;
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121 momWhale.z = 0.0;
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122 momWhale.psi = 90.0;
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123 momWhale.theta = 0.0;
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124 momWhale.v = 3.0;
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125
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126 babyWhale.x = 60000.0;
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127 babyWhale.y = -2000.0;
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128 babyWhale.z = -2000.0;
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129 babyWhale.psi = 90.0;
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130 babyWhale.theta = 0.0;
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131 babyWhale.v = 3.0;
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132 }
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133
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134 void
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135 Atlantis_Init(void)
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136 {
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137 static float ambient[] = {0.2, 0.2, 0.2, 1.0};
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138 static float diffuse[] = {1.0, 1.0, 1.0, 1.0};
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139 static float position[] = {0.0, 1.0, 0.0, 0.0};
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140 static float mat_shininess[] = {90.0};
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141 static float mat_specular[] = {0.8, 0.8, 0.8, 1.0};
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142 static float mat_diffuse[] = {0.46, 0.66, 0.795, 1.0};
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143 static float mat_ambient[] = {0.3, 0.4, 0.5, 1.0};
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144 static float lmodel_ambient[] = {0.4, 0.4, 0.4, 1.0};
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145 static float lmodel_localviewer[] = {0.0};
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146 //GLfloat map1[4] = {0.0, 0.0, 0.0, 0.0};
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147 //GLfloat map2[4] = {0.0, 0.0, 0.0, 0.0};
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148 static float fog_color[] = {0.0, 0.5, 0.9, 1.0};
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149
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150 glFrontFace(GL_CCW);
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151
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152 glDepthFunc(GL_LESS);
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153 glEnable(GL_DEPTH_TEST);
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154
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155 glLightfv(GL_LIGHT0, GL_AMBIENT, ambient);
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156 glLightfv(GL_LIGHT0, GL_DIFFUSE, diffuse);
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157 glLightfv(GL_LIGHT0, GL_POSITION, position);
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158 glLightModelfv(GL_LIGHT_MODEL_AMBIENT, lmodel_ambient);
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159 glLightModelfv(GL_LIGHT_MODEL_LOCAL_VIEWER, lmodel_localviewer);
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160 glEnable(GL_LIGHTING);
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161 glEnable(GL_LIGHT0);
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162
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163 glMaterialfv(GL_FRONT_AND_BACK, GL_SHININESS, mat_shininess);
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164 glMaterialfv(GL_FRONT_AND_BACK, GL_SPECULAR, mat_specular);
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165 glMaterialfv(GL_FRONT_AND_BACK, GL_DIFFUSE, mat_diffuse);
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166 glMaterialfv(GL_FRONT_AND_BACK, GL_AMBIENT, mat_ambient);
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167
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168 InitFishs();
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169
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170 glEnable(GL_FOG);
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171 glFogi(GL_FOG_MODE, GL_EXP);
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172 glFogf(GL_FOG_DENSITY, 0.0000025);
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173 glFogfv(GL_FOG_COLOR, fog_color);
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174
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175 glClearColor(0.0, 0.5, 0.9, 1.0);
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176 }
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177
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178 void
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179 Atlantis_Reshape(int width, int height)
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180 {
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181 w_win = width;
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182 h_win = height;
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183
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184 glViewport(0, 0, width, height);
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185
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186 glMatrixMode(GL_PROJECTION);
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187 glLoadIdentity();
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188 gluPerspective(60.0, (GLfloat) width / (GLfloat) height, 20000.0, 300000.0);
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189 glMatrixMode(GL_MODELVIEW);
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190 }
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191
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192 void
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193 Atlantis_Animate(void)
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194 {
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195 int i;
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196
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197 for (i = 0; i < NUM_SHARKS; i++) {
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198 SharkPilot(&sharks[i]);
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199 SharkMiss(i);
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200 }
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201 WhalePilot(&dolph);
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202 dolph.phi++;
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203 //glutPostRedisplay();
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204 WhalePilot(&momWhale);
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205 momWhale.phi++;
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206 WhalePilot(&babyWhale);
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207 babyWhale.phi++;
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208 }
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209
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210 void
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211 Atlantis_Key(unsigned char key, int x, int y)
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212 {
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213 switch (key) {
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214 case 't':
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215 Timing = !Timing;
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216 break;
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217 case ' ':
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218 switch(StrMode)
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219 {
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220 case GL_EXTENSIONS:
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221 StrMode = GL_VENDOR;
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222 break;
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223 case GL_VENDOR:
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224 StrMode = GL_RENDERER;
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225 break;
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226 case GL_RENDERER:
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227 StrMode = GL_VERSION;
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228 break;
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229 case GL_VERSION:
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230 StrMode = GL_EXTENSIONS;
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231 break;
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232 }
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233 break;
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234 case 27: /* Esc will quit */
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235 exit(1);
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236 break;
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237 case 's': /* "s" start animation */
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238 moving = GL_TRUE;
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239 //glutIdleFunc(Animate);
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240 break;
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241 case 'a': /* "a" stop animation */
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242 moving = GL_FALSE;
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243 //glutIdleFunc(NULL);
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244 break;
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245 case '.': /* "." will advance frame */
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246 if (!moving) {
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247 Atlantis_Animate();
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248 }
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249 }
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250 }
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251 /*
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252 void Display(void)
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253 {
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254 static float P123[3] = {-448.94, -203.14, 9499.60};
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255 static float P124[3] = {-442.64, -185.20, 9528.07};
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256 static float P125[3] = {-441.07, -148.05, 9528.07};
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257 static float P126[3] = {-443.43, -128.84, 9499.60};
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258 static float P127[3] = {-456.87, -146.78, 9466.67};
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259 static float P128[3] = {-453.68, -183.93, 9466.67};
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260
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261 glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
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262
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263 glPushMatrix();
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264 FishTransform(&dolph);
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265 DrawDolphin(&dolph);
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266 glPopMatrix();
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267
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268 glutSwapBuffers();
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269 }
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270 */
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271
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272 void
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273 Atlantis_Display(void)
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274 {
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275 int i;
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276 static double th[4] = {0.0, 0.0, 0.0, 0.0};
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277 static double t1 = 0.0, t2 = 0.0, t;
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278 char num_str[128];
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279
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280 t1 = t2;
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281
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282 glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
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283
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284 for (i = 0; i < NUM_SHARKS; i++) {
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285 glPushMatrix();
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286 FishTransform(&sharks[i]);
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287 DrawShark(&sharks[i]);
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288 glPopMatrix();
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289 }
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290
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291 glPushMatrix();
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292 FishTransform(&dolph);
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293 DrawDolphin(&dolph);
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294 glPopMatrix();
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295
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296 glPushMatrix();
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297 FishTransform(&momWhale);
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298 DrawWhale(&momWhale);
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299 glPopMatrix();
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300
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301 glPushMatrix();
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302 FishTransform(&babyWhale);
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303 glScalef(0.45, 0.45, 0.3);
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304 DrawWhale(&babyWhale);
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305 glPopMatrix();
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306
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307 if(Timing)
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308 {
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309 t2 = mtime();
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310 t = t2 - t1;
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311 if(t > 0.0001) t = 1.0 / t;
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312
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313 glDisable(GL_LIGHTING);
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314 //glDisable(GL_DEPTH_TEST);
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315
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316 glColor3f(1.0, 0.0, 0.0);
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317
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318 glMatrixMode (GL_PROJECTION);
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319 glPushMatrix();
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320 glLoadIdentity();
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321 glOrtho(0, w_win, 0, h_win, -10.0, 10.0);
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322
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323 glRasterPos2f(5.0, 5.0);
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324
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325 switch(StrMode)
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326 {
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327 case GL_VENDOR:
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328 sprintf(num_str, "%0.2f Hz, %dx%d, VENDOR: ", filter(t, th), w_win, h_win);
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329 DrawStr(num_str);
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330 DrawStr(glGetString(GL_VENDOR));
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331 break;
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332 case GL_RENDERER:
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333 sprintf(num_str, "%0.2f Hz, %dx%d, RENDERER: ", filter(t, th), w_win, h_win);
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334 DrawStr(num_str);
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335 DrawStr(glGetString(GL_RENDERER));
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336 break;
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337 case GL_VERSION:
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338 sprintf(num_str, "%0.2f Hz, %dx%d, VERSION: ", filter(t, th), w_win, h_win);
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339 DrawStr(num_str);
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340 DrawStr(glGetString(GL_VERSION));
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341 break;
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342 case GL_EXTENSIONS:
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343 sprintf(num_str, "%0.2f Hz, %dx%d, EXTENSIONS: ", filter(t, th), w_win, h_win);
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344 DrawStr(num_str);
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345 DrawStr(glGetString(GL_EXTENSIONS));
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346 break;
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347 }
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348
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349 glPopMatrix();
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350 glMatrixMode(GL_MODELVIEW);
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351
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352 glEnable(GL_LIGHTING);
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353 //glEnable(GL_DEPTH_TEST);
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354 }
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355
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356 count++;
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357
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358 glutSwapBuffers();
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359 }
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360
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361 /*
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362 void
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363 Visible(int state)
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364 {
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365 if (state == GLUT_VISIBLE) {
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366 if (moving)
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367 glutIdleFunc(Animate);
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368 } else {
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369 if (moving)
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370 glutIdleFunc(NULL);
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371 }
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372 }
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373
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374
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375 void
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376 timingSelect(int value)
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377 {
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378 switch(value)
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379 {
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380 case 1:
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381 StrMode = GL_VENDOR;
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382 break;
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383 case 2:
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384 StrMode = GL_RENDERER;
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385 break;
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386 case 3:
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387 StrMode = GL_VERSION;
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388 break;
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389 case 4:
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390 StrMode = GL_EXTENSIONS;
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391 break;
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392 }
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393 }
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394
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395 void
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396 menuSelect(int value)
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397 {
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398 switch (value) {
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399 case 1:
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400 moving = GL_TRUE;
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401 glutIdleFunc(Animate);
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402 break;
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403 case 2:
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404 moving = GL_FALSE;
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405 glutIdleFunc(NULL);
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406 break;
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407 case 4:
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408 exit(0);
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409 break;
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410 }
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411 }
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412
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413 int
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414 main(int argc, char **argv)
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415 {
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416 GLboolean fullscreen = GL_FALSE;
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417 GLint time_menu;
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418
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419 srand(0);
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420
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421 glutInit(&argc, argv);
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422 if (argc > 1 && !strcmp(argv[1], "-w"))
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423 fullscreen = GL_FALSE;
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424
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425 //glutInitDisplayMode(GLUT_RGBA | GLUT_DOUBLE | GLUT_DEPTH);
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426 glutInitDisplayString("rgba double depth=24");
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427 if (fullscreen) {
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428 glutGameModeString("1024x768:32");
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429 glutEnterGameMode();
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430 } else {
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431 glutInitWindowSize(320, 240);
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432 glutCreateWindow("Atlantis Timing");
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433 }
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434 Init();
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435 glutDisplayFunc(Display);
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436 glutReshapeFunc(Reshape);
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437 glutKeyboardFunc(Key);
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438 moving = GL_TRUE;
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439 glutIdleFunc(Animate);
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440 glutVisibilityFunc(Visible);
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441
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442 time_menu = glutCreateMenu(timingSelect);
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443 glutAddMenuEntry("GL_VENDOR", 1);
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444 glutAddMenuEntry("GL_RENDERER", 2);
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445 glutAddMenuEntry("GL_VERSION", 3);
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446 glutAddMenuEntry("GL_EXTENSIONS", 4);
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447
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448 glutCreateMenu(menuSelect);
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449 glutAddMenuEntry("Start motion", 1);
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450 glutAddMenuEntry("Stop motion", 2);
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451 glutAddSubMenu("Timing Mode", time_menu);
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452 glutAddMenuEntry("Quit", 4);
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453
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454 //glutAttachMenu(GLUT_RIGHT_BUTTON);
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455 glutAttachMenu(GLUT_RIGHT_BUTTON);
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456 glutMainLoop();
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457 return 0; // ANSI C requires main to return int.
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458 }
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459 */ |
