459 lines
No EOL
11 KiB
C
459 lines
No EOL
11 KiB
C
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/* Copyright (c) Mark J. Kilgard, 1994. */
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/**
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* (c) Copyright 1993, 1994, Silicon Graphics, Inc.
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* ALL RIGHTS RESERVED
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* Permission to use, copy, modify, and distribute this software for
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* any purpose and without fee is hereby granted, provided that the above
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* copyright notice appear in all copies and that both the copyright notice
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* and this permission notice appear in supporting documentation, and that
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* the name of Silicon Graphics, Inc. not be used in advertising
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* or publicity pertaining to distribution of the software without specific,
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* written prior permission.
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*
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* THE MATERIAL EMBODIED ON THIS SOFTWARE IS PROVIDED TO YOU "AS-IS"
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* AND WITHOUT WARRANTY OF ANY KIND, EXPRESS, IMPLIED OR OTHERWISE,
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* INCLUDING WITHOUT LIMITATION, ANY WARRANTY OF MERCHANTABILITY OR
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* FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT SHALL SILICON
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* GRAPHICS, INC. BE LIABLE TO YOU OR ANYONE ELSE FOR ANY DIRECT,
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* SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY
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* KIND, OR ANY DAMAGES WHATSOEVER, INCLUDING WITHOUT LIMITATION,
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* LOSS OF PROFIT, LOSS OF USE, SAVINGS OR REVENUE, OR THE CLAIMS OF
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* THIRD PARTIES, WHETHER OR NOT SILICON GRAPHICS, INC. HAS BEEN
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* ADVISED OF THE POSSIBILITY OF SUCH LOSS, HOWEVER CAUSED AND ON
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* ANY THEORY OF LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE
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* POSSESSION, USE OR PERFORMANCE OF THIS SOFTWARE.
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*
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* US Government Users Restricted Rights
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* Use, duplication, or disclosure by the Government is subject to
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* restrictions set forth in FAR 52.227.19(c)(2) or subparagraph
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* (c)(1)(ii) of the Rights in Technical Data and Computer Software
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* clause at DFARS 252.227-7013 and/or in similar or successor
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* clauses in the FAR or the DOD or NASA FAR Supplement.
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* Unpublished-- rights reserved under the copyright laws of the
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* United States. Contractor/manufacturer is Silicon Graphics,
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* Inc., 2011 N. Shoreline Blvd., Mountain View, CA 94039-7311.
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*
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* OpenGL(TM) is a trademark of Silicon Graphics, Inc.
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <math.h>
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#include <sys/time.h>
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#include <GLUT/glut.h>
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#include "atlantis.h"
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fishRec sharks[NUM_SHARKS];
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fishRec momWhale;
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fishRec babyWhale;
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fishRec dolph;
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GLboolean Timing = GL_TRUE;
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int w_win = 640;
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int h_win = 480;
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GLint count = 0;
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GLenum StrMode = GL_VENDOR;
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GLboolean moving;
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static double mtime(void)
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{
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struct timeval tk_time;
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struct timezone tz;
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gettimeofday(&tk_time, &tz);
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return 4294.967296 * tk_time.tv_sec + 0.000001 * tk_time.tv_usec;
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}
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static double filter(double in, double *save)
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{
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static double k1 = 0.9;
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static double k2 = 0.05;
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save[3] = in;
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save[1] = save[0]*k1 + k2*(save[3] + save[2]);
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save[0]=save[1];
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save[2]=save[3];
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return(save[1]);
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}
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void DrawStr(const char *str)
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{
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GLint i = 0;
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if(!str) return;
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while(str[i])
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{
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glutBitmapCharacter(GLUT_BITMAP_HELVETICA_12, str[i]);
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i++;
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}
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}
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void
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InitFishs(void)
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{
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int i;
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for (i = 0; i < NUM_SHARKS; i++) {
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sharks[i].x = 70000.0 + rand() % 6000;
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sharks[i].y = rand() % 6000;
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sharks[i].z = rand() % 6000;
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sharks[i].psi = rand() % 360 - 180.0;
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sharks[i].v = 1.0;
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}
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dolph.x = 30000.0;
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dolph.y = 0.0;
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dolph.z = 6000.0;
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dolph.psi = 90.0;
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dolph.theta = 0.0;
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dolph.v = 3.0;
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momWhale.x = 70000.0;
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momWhale.y = 0.0;
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momWhale.z = 0.0;
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momWhale.psi = 90.0;
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momWhale.theta = 0.0;
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momWhale.v = 3.0;
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babyWhale.x = 60000.0;
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babyWhale.y = -2000.0;
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babyWhale.z = -2000.0;
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babyWhale.psi = 90.0;
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babyWhale.theta = 0.0;
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babyWhale.v = 3.0;
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}
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void
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Atlantis_Init(void)
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{
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static float ambient[] = {0.2, 0.2, 0.2, 1.0};
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static float diffuse[] = {1.0, 1.0, 1.0, 1.0};
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static float position[] = {0.0, 1.0, 0.0, 0.0};
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static float mat_shininess[] = {90.0};
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static float mat_specular[] = {0.8, 0.8, 0.8, 1.0};
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static float mat_diffuse[] = {0.46, 0.66, 0.795, 1.0};
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static float mat_ambient[] = {0.3, 0.4, 0.5, 1.0};
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static float lmodel_ambient[] = {0.4, 0.4, 0.4, 1.0};
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static float lmodel_localviewer[] = {0.0};
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//GLfloat map1[4] = {0.0, 0.0, 0.0, 0.0};
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//GLfloat map2[4] = {0.0, 0.0, 0.0, 0.0};
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static float fog_color[] = {0.0, 0.5, 0.9, 1.0};
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glFrontFace(GL_CCW);
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glDepthFunc(GL_LESS);
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glEnable(GL_DEPTH_TEST);
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glLightfv(GL_LIGHT0, GL_AMBIENT, ambient);
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glLightfv(GL_LIGHT0, GL_DIFFUSE, diffuse);
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glLightfv(GL_LIGHT0, GL_POSITION, position);
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glLightModelfv(GL_LIGHT_MODEL_AMBIENT, lmodel_ambient);
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glLightModelfv(GL_LIGHT_MODEL_LOCAL_VIEWER, lmodel_localviewer);
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glEnable(GL_LIGHTING);
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glEnable(GL_LIGHT0);
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glMaterialfv(GL_FRONT_AND_BACK, GL_SHININESS, mat_shininess);
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glMaterialfv(GL_FRONT_AND_BACK, GL_SPECULAR, mat_specular);
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glMaterialfv(GL_FRONT_AND_BACK, GL_DIFFUSE, mat_diffuse);
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glMaterialfv(GL_FRONT_AND_BACK, GL_AMBIENT, mat_ambient);
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InitFishs();
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glEnable(GL_FOG);
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glFogi(GL_FOG_MODE, GL_EXP);
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glFogf(GL_FOG_DENSITY, 0.0000025);
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glFogfv(GL_FOG_COLOR, fog_color);
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glClearColor(0.0, 0.5, 0.9, 1.0);
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}
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void
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Atlantis_Reshape(int width, int height)
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{
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w_win = width;
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h_win = height;
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glViewport(0, 0, width, height);
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glMatrixMode(GL_PROJECTION);
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glLoadIdentity();
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gluPerspective(60.0, (GLfloat) width / (GLfloat) height, 20000.0, 300000.0);
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glMatrixMode(GL_MODELVIEW);
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}
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void
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Atlantis_Animate(void)
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{
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int i;
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for (i = 0; i < NUM_SHARKS; i++) {
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SharkPilot(&sharks[i]);
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SharkMiss(i);
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}
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WhalePilot(&dolph);
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dolph.phi++;
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//glutPostRedisplay();
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WhalePilot(&momWhale);
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momWhale.phi++;
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WhalePilot(&babyWhale);
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babyWhale.phi++;
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}
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void
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Atlantis_Key(unsigned char key, int x, int y)
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{
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switch (key) {
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case 't':
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Timing = !Timing;
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break;
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case ' ':
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switch(StrMode)
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{
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case GL_EXTENSIONS:
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StrMode = GL_VENDOR;
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break;
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case GL_VENDOR:
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StrMode = GL_RENDERER;
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break;
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case GL_RENDERER:
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StrMode = GL_VERSION;
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break;
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case GL_VERSION:
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StrMode = GL_EXTENSIONS;
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break;
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}
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break;
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case 27: /* Esc will quit */
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exit(1);
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break;
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case 's': /* "s" start animation */
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moving = GL_TRUE;
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//glutIdleFunc(Animate);
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break;
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case 'a': /* "a" stop animation */
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moving = GL_FALSE;
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//glutIdleFunc(NULL);
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break;
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case '.': /* "." will advance frame */
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if (!moving) {
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Atlantis_Animate();
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}
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}
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}
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/*
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void Display(void)
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{
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static float P123[3] = {-448.94, -203.14, 9499.60};
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static float P124[3] = {-442.64, -185.20, 9528.07};
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static float P125[3] = {-441.07, -148.05, 9528.07};
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static float P126[3] = {-443.43, -128.84, 9499.60};
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static float P127[3] = {-456.87, -146.78, 9466.67};
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static float P128[3] = {-453.68, -183.93, 9466.67};
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glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
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glPushMatrix();
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FishTransform(&dolph);
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DrawDolphin(&dolph);
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glPopMatrix();
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glutSwapBuffers();
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}
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*/
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void
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Atlantis_Display(void)
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{
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int i;
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static double th[4] = {0.0, 0.0, 0.0, 0.0};
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static double t1 = 0.0, t2 = 0.0, t;
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char num_str[128];
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t1 = t2;
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glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
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for (i = 0; i < NUM_SHARKS; i++) {
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glPushMatrix();
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FishTransform(&sharks[i]);
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DrawShark(&sharks[i]);
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glPopMatrix();
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}
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glPushMatrix();
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FishTransform(&dolph);
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DrawDolphin(&dolph);
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glPopMatrix();
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glPushMatrix();
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FishTransform(&momWhale);
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DrawWhale(&momWhale);
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glPopMatrix();
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glPushMatrix();
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FishTransform(&babyWhale);
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glScalef(0.45, 0.45, 0.3);
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DrawWhale(&babyWhale);
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glPopMatrix();
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if(Timing)
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{
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t2 = mtime();
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t = t2 - t1;
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if(t > 0.0001) t = 1.0 / t;
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glDisable(GL_LIGHTING);
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//glDisable(GL_DEPTH_TEST);
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glColor3f(1.0, 0.0, 0.0);
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glMatrixMode (GL_PROJECTION);
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glPushMatrix();
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glLoadIdentity();
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glOrtho(0, w_win, 0, h_win, -10.0, 10.0);
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glRasterPos2f(5.0, 5.0);
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switch(StrMode)
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{
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case GL_VENDOR:
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sprintf(num_str, "%0.2f Hz, %dx%d, VENDOR: ", filter(t, th), w_win, h_win);
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DrawStr(num_str);
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DrawStr(glGetString(GL_VENDOR));
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break;
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case GL_RENDERER:
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sprintf(num_str, "%0.2f Hz, %dx%d, RENDERER: ", filter(t, th), w_win, h_win);
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DrawStr(num_str);
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DrawStr(glGetString(GL_RENDERER));
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break;
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case GL_VERSION:
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sprintf(num_str, "%0.2f Hz, %dx%d, VERSION: ", filter(t, th), w_win, h_win);
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DrawStr(num_str);
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DrawStr(glGetString(GL_VERSION));
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break;
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case GL_EXTENSIONS:
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sprintf(num_str, "%0.2f Hz, %dx%d, EXTENSIONS: ", filter(t, th), w_win, h_win);
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DrawStr(num_str);
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DrawStr(glGetString(GL_EXTENSIONS));
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break;
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}
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glPopMatrix();
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glMatrixMode(GL_MODELVIEW);
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glEnable(GL_LIGHTING);
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//glEnable(GL_DEPTH_TEST);
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}
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count++;
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glutSwapBuffers();
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}
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/*
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void
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Visible(int state)
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{
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if (state == GLUT_VISIBLE) {
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if (moving)
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glutIdleFunc(Animate);
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} else {
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if (moving)
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glutIdleFunc(NULL);
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}
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}
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void
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timingSelect(int value)
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{
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switch(value)
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{
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case 1:
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StrMode = GL_VENDOR;
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break;
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case 2:
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StrMode = GL_RENDERER;
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break;
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case 3:
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StrMode = GL_VERSION;
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break;
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case 4:
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StrMode = GL_EXTENSIONS;
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break;
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}
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}
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void
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menuSelect(int value)
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{
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switch (value) {
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case 1:
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moving = GL_TRUE;
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glutIdleFunc(Animate);
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break;
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case 2:
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moving = GL_FALSE;
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glutIdleFunc(NULL);
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break;
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case 4:
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exit(0);
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break;
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}
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}
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int
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main(int argc, char **argv)
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{
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GLboolean fullscreen = GL_FALSE;
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GLint time_menu;
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srand(0);
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glutInit(&argc, argv);
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if (argc > 1 && !strcmp(argv[1], "-w"))
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fullscreen = GL_FALSE;
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//glutInitDisplayMode(GLUT_RGBA | GLUT_DOUBLE | GLUT_DEPTH);
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glutInitDisplayString("rgba double depth=24");
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if (fullscreen) {
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glutGameModeString("1024x768:32");
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glutEnterGameMode();
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} else {
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glutInitWindowSize(320, 240);
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glutCreateWindow("Atlantis Timing");
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}
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Init();
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glutDisplayFunc(Display);
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glutReshapeFunc(Reshape);
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glutKeyboardFunc(Key);
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moving = GL_TRUE;
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glutIdleFunc(Animate);
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glutVisibilityFunc(Visible);
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time_menu = glutCreateMenu(timingSelect);
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glutAddMenuEntry("GL_VENDOR", 1);
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glutAddMenuEntry("GL_RENDERER", 2);
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glutAddMenuEntry("GL_VERSION", 3);
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glutAddMenuEntry("GL_EXTENSIONS", 4);
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glutCreateMenu(menuSelect);
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glutAddMenuEntry("Start motion", 1);
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glutAddMenuEntry("Stop motion", 2);
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glutAddSubMenu("Timing Mode", time_menu);
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glutAddMenuEntry("Quit", 4);
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//glutAttachMenu(GLUT_RIGHT_BUTTON);
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glutAttachMenu(GLUT_RIGHT_BUTTON);
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glutMainLoop();
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return 0; // ANSI C requires main to return int.
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}
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*/ |