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34 * Unpublished-- rights reserved under the copyright laws of the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