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Comparing libgender/test.C (file contents):
Revision 1.9 by root, Sun Oct 3 04:00:51 2004 UTC vs.
Revision 1.63 by root, Sun Oct 17 09:43:07 2004 UTC

1#include <stdlib.h> 1#include <stdlib.h>
2#include <stdio.h> 2#include <stdio.h>
3#include <string.h> 3#include <string.h>
4#include <math.h> 4#include <math.h>
5 5
6#include "opengl.h"
7
6#include "SDL.h" 8#include "SDL.h"
7
8#include "SDL_opengl.h" 9#include "SDL_opengl.h"
9
10/* Undefine this if you want a flat cube instead of a rainbow cube */
11#define SHADED_CUBE
12
13/* Define this to be the name of the logo image to use with -logo */
14#define LOGO_FILE "icon.bmp"
15 10
16static SDL_Surface *global_image = NULL; 11static SDL_Surface *global_image = NULL;
17static GLuint global_texture = 0; 12static GLuint global_texture = 0;
18 13
14#include "util.h"
19#include "entity.h" 15#include "entity.h"
20
21#include "txtprt_import.h" 16#include "txtprt_import.h"
22 17
23/**********************************************************************/ 18/**********************************************************************/
24 19
25view camera; 20view camera;
21vec3 camera_velocity;
22float camera_angle, camera_angle2, camera_velocity_angle, camera_velocity_angle2;
23float camera_velocity_factor = 80;
26 24
27void 25void
28HotKey_ToggleFullScreen (void) 26HotKey_ToggleFullScreen (void)
29{ 27{
30 SDL_Surface *screen; 28 SDL_Surface *screen;
… …
73 { 71 {
74 case SDL_ACTIVEEVENT: 72 case SDL_ACTIVEEVENT:
75 /* See what happened */ 73 /* See what happened */
76 printf ("app %s ", event->active.gain ? "gained" : "lost"); 74 printf ("app %s ", event->active.gain ? "gained" : "lost");
77 if (event->active.state & SDL_APPACTIVE) 75 if (event->active.state & SDL_APPACTIVE)
78 {
79 printf ("active "); 76 printf ("active ");
80 }
81 else if (event->active.state & SDL_APPMOUSEFOCUS) 77 else if (event->active.state & SDL_APPMOUSEFOCUS)
82 {
83 printf ("mouse "); 78 printf ("mouse ");
84 }
85 else if (event->active.state & SDL_APPINPUTFOCUS) 79 else if (event->active.state & SDL_APPINPUTFOCUS)
86 {
87 printf ("input "); 80 printf ("input ");
88 }
89 81
90 printf ("focus\n"); 82 printf ("focus\n");
91 break; 83 break;
92 84
93 case SDL_KEYDOWN: 85 case SDL_KEYDOWN:
94
95 if (event->key.keysym.sym == SDLK_UP) 86 if (event->key.keysym.sym == SDLK_UP) camera_velocity.z--;
96 camera.p.z -= 1;
97 if (event->key.keysym.sym == SDLK_DOWN) 87 if (event->key.keysym.sym == SDLK_DOWN) camera_velocity.z++;
98 camera.p.z += 1;
99 if (event->key.keysym.sym == SDLK_LEFT)
100 camera.p.x -= 1;
101 if (event->key.keysym.sym == SDLK_RIGHT) 88 if (event->key.keysym.sym == SDLK_RIGHT) camera_velocity_angle++;
102 camera.p.x += 1; 89 if (event->key.keysym.sym == SDLK_LEFT) camera_velocity_angle--;
90 if (event->key.keysym.sym == SDLK_PAGEUP) camera_velocity_angle2++;
91 if (event->key.keysym.sym == SDLK_PAGEDOWN) camera_velocity_angle2--;
92 if (event->key.keysym.sym == SDLK_e) camera_velocity.y--;
93 if (event->key.keysym.sym == SDLK_q) camera_velocity.y++;
94 if (event->key.keysym.sym == SDLK_v) camera_velocity_factor *= 1.5;
95 if (event->key.keysym.sym == SDLK_b) camera_velocity_factor /= 1.5;
103 96
104 if (event->key.keysym.sym == SDLK_ESCAPE) 97 if (event->key.keysym.sym == SDLK_ESCAPE)
105 done = 1; 98 done = 1;
106 99
107 if ((event->key.keysym.sym == SDLK_g) && 100 if ((event->key.keysym.sym == SDLK_g) &&
… …
116 (event->key.keysym.mod & KMOD_ALT)) 109 (event->key.keysym.mod & KMOD_ALT))
117 HotKey_ToggleFullScreen (); 110 HotKey_ToggleFullScreen ();
118 111
119 break; 112 break;
120 113
114 case SDL_KEYUP:
115 if (event->key.keysym.sym == SDLK_UP) camera_velocity.z++;
116 if (event->key.keysym.sym == SDLK_DOWN) camera_velocity.z--;
117 if (event->key.keysym.sym == SDLK_LEFT) camera_velocity_angle++;
118 if (event->key.keysym.sym == SDLK_RIGHT) camera_velocity_angle--;
119 if (event->key.keysym.sym == SDLK_PAGEUP) camera_velocity_angle2--;
120 if (event->key.keysym.sym == SDLK_PAGEDOWN) camera_velocity_angle2++;
121 if (event->key.keysym.sym == SDLK_e) camera_velocity.y++;
122 if (event->key.keysym.sym == SDLK_q) camera_velocity.y--;
123 break;
124
121 case SDL_QUIT: 125 case SDL_QUIT:
122 done = 1; 126 done = 1;
123 break; 127 break;
124 } 128 }
125 129
126 return (done); 130 return (done);
127} 131}
128 132
129/* Quick utility function for texture creation */ 133void draw_floor (int size, int dx, int dy, int dz)
130static int
131power_of_two (int input)
132{ 134{
133 int value = 1; 135 int x, z, ry;
134 136
135 while (value < input) 137 for (x = 0; x < 10; x++)
136 {
137 value <<= 1;
138 } 138 {
139 return value; 139 for (z = 0; z < 10; z++)
140} 140 {
141 vector<vertex_t2f_n3f_v3f> pts;
142 pts.push_back (vertex_t2f_n3f_v3f (point ( 0, 0, 0), vec3 (0, 1, 0), tex2 (0, 0)));
143 pts.push_back (vertex_t2f_n3f_v3f (point ( 0, 0, size), vec3 (0, 1, 0), tex2 (0, 1)));
144 pts.push_back (vertex_t2f_n3f_v3f (point (size, 0, size), vec3 (0, 1, 0), tex2 (1, 1)));
145 pts.push_back (vertex_t2f_n3f_v3f (point (size, 0, 0), vec3 (0, 1, 0), tex2 (1, 0)));
141 146
142GLuint 147 geometry_quads *q = new geometry_quads;
143SDL_GL_LoadTexture (SDL_Surface * surface, GLfloat * texcoord) 148 q->m = new simple_material;
144{ 149 q->set (pts);
145 GLuint texture; 150 entity *e = new entity (q);
146 int w, h; 151 e->move (vec3 (dx + x * size, dy, dz + z * size));
147 SDL_Surface *image; 152 e->show ();
148 SDL_Rect area; 153 }
149 Uint32 saved_flags;
150 Uint8 saved_alpha;
151
152 /* Use the surface width and height expanded to powers of 2 */
153 w = power_of_two (surface->w);
154 h = power_of_two (surface->h);
155 texcoord[0] = 0.0f; /* Min X */
156 texcoord[1] = 0.0f; /* Min Y */
157 texcoord[2] = (GLfloat) surface->w / w; /* Max X */
158 texcoord[3] = (GLfloat) surface->h / h; /* Max Y */
159
160 image = SDL_CreateRGBSurface (SDL_SWSURFACE, w, h, 32,
161#if SDL_BYTEORDER == SDL_LIL_ENDIAN /* OpenGL RGBA masks */
162 0x000000FF, 0x0000FF00, 0x00FF0000, 0xFF000000
163#else
164 0xFF000000, 0x00FF0000, 0x0000FF00, 0x000000FF
165#endif
166 );
167 if (image == NULL)
168 { 154 }
169 return 0;
170 }
171
172 /* Save the alpha blending attributes */
173 saved_flags = surface->flags & (SDL_SRCALPHA | SDL_RLEACCELOK);
174 saved_alpha = surface->format->alpha;
175 if ((saved_flags & SDL_SRCALPHA) == SDL_SRCALPHA)
176 {
177 SDL_SetAlpha (surface, 0, 0);
178 }
179
180 /* Copy the surface into the GL texture image */
181 area.x = 0;
182 area.y = 0;
183 area.w = surface->w;
184 area.h = surface->h;
185 SDL_BlitSurface (surface, &area, image, &area);
186
187 /* Restore the alpha blending attributes */
188 if ((saved_flags & SDL_SRCALPHA) == SDL_SRCALPHA)
189 {
190 SDL_SetAlpha (surface, saved_flags, saved_alpha);
191 }
192
193 /* Create an OpenGL texture for the image */
194 glGenTextures (1, &texture);
195 glBindTexture (GL_TEXTURE_2D, texture);
196 glTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
197 glTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
198 glTexImage2D (GL_TEXTURE_2D,
199 0,
200 GL_RGBA, w, h, 0, GL_RGBA, GL_UNSIGNED_BYTE, image->pixels);
201 SDL_FreeSurface (image); /* No longer needed */
202
203 return texture;
204} 155}
205 156
157void draw_test_nurb ()
158{
159 geometry_nurbs *q = new geometry_nurbs;
160 q->set ();
161 entity *e = new entity (q);
162 e->move (vec3 (10, 3, -4));
163 e->show ();
164}
165
166extern void draw_level ();
206int 167int
207RunGLTest (int argc, char *argv[], 168RunGLTest (int argc, char *argv[],
208 int logo, int slowly, int bpp, float gamma, int noframe, int fsaa) 169 int logo, int slowly, int bpp, float gamma, int noframe, int fsaa)
209{ 170{
210 int i; 171 int i;
… …
214 int done = 0; 175 int done = 0;
215 int frames; 176 int frames;
216 Uint32 start_time, this_time; 177 Uint32 start_time, this_time;
217 Uint32 video_flags; 178 Uint32 video_flags;
218 int value; 179 int value;
180 GLenum gl_error;
219 181
220 if (SDL_Init (SDL_INIT_VIDEO) < 0) 182 if (SDL_Init (SDL_INIT_VIDEO) < 0)
221 { 183 {
222 fprintf (stderr, "Couldn't initialize SDL: %s\n", SDL_GetError ()); 184 fprintf (stderr, "Couldn't initialize SDL: %s\n", SDL_GetError ());
223 exit (1); 185 exit (1);
… …
261 rgb_size[0] = 8; 223 rgb_size[0] = 8;
262 rgb_size[1] = 8; 224 rgb_size[1] = 8;
263 rgb_size[2] = 8; 225 rgb_size[2] = 8;
264 break; 226 break;
265 } 227 }
228
266 SDL_GL_SetAttribute (SDL_GL_RED_SIZE, rgb_size[0]); 229 SDL_GL_SetAttribute (SDL_GL_RED_SIZE, rgb_size[0]);
267 SDL_GL_SetAttribute (SDL_GL_GREEN_SIZE, rgb_size[1]); 230 SDL_GL_SetAttribute (SDL_GL_GREEN_SIZE, rgb_size[1]);
268 SDL_GL_SetAttribute (SDL_GL_BLUE_SIZE, rgb_size[2]); 231 SDL_GL_SetAttribute (SDL_GL_BLUE_SIZE, rgb_size[2]);
269 SDL_GL_SetAttribute (SDL_GL_DEPTH_SIZE, 16); 232 SDL_GL_SetAttribute (SDL_GL_DEPTH_SIZE, 16);
270 SDL_GL_SetAttribute (SDL_GL_DOUBLEBUFFER, 1); 233 SDL_GL_SetAttribute (SDL_GL_DOUBLEBUFFER, 1);
… …
309 printf ("SDL_GL_MULTISAMPLESAMPLES: requested %d, got %d\n", fsaa, 272 printf ("SDL_GL_MULTISAMPLESAMPLES: requested %d, got %d\n", fsaa,
310 value); 273 value);
311 } 274 }
312 275
313 /* Set the window manager title bar */ 276 /* Set the window manager title bar */
314 SDL_WM_SetCaption ("SDL GL test", "testgl"); 277 SDL_WM_SetCaption ("libgender rendering test", "gendertest");
315 278
316 /* Set the gamma for the window */ 279 /* Set the gamma for the window */
317 if (gamma != 0.0) 280 if (gamma != 0.0)
318 SDL_SetGamma (gamma, gamma, gamma); 281 SDL_SetGamma (gamma, gamma, gamma);
319 282
283 entity *planet = new entity (new geometry_sphere (10));
284 planet->move (vec3 (0, 0, -20));
285 planet->show ();
286
287#if 1
288 for (int i = 0; i < 20; i++)
289 {
290 // load a entity
291 txtprt_parser p;
292 geometry *g;
293 try
294 {
295 g = p.read ("test.blasc");
296 }
297 catch (txtprt_i_exception & e)
298 {
299 cout << "ERR: " << e.msg << endl;
300 }
301
302 entity *e = new entity (g);
303 e->move (vec3 (i*5, -3, -i*10));
304 e->show ();
305 }
306
307 {
308 entity *planet = new entity (new geometry_sphere (1e9));
309 planet->move (vec3 (0, 0, -1.5e9));
310 planet->show ();
311 }
312
313 {
314 entity *planet = new entity (new geometry_sphere (4e15));
315 planet->move (vec3 (0, 0, 1e17));
316 planet->show ();
317 }
318
319 draw_floor (10, -500, -10, -1000);
320 draw_level ();
321 //draw_test_nurb ();
322#endif
323
324 //camera.orig.x = 108; camera.orig.y = 0; camera.orig.z = -368;
325 camera.orig.x = 0; camera.orig.y = 0; camera.orig.z = 0;
320 camera.p = point (0, 0, 10); 326 camera.p = point (0, 0, 10);
321 camera.d = vec3 (0, 0, -1); 327 camera.d = vec3 (0, 0, -1);
322 camera.u = vec3 (0, 1, 0); 328 camera.u = vec3 (0, 1, 0);
323 camera.w = w; camera.h = h; 329 camera.w = w; camera.h = h;
324 camera.fov = 90; 330 camera.fov = 35;
331 camera.z_near = 1.;
325 332
326 glMatrixMode (GL_MODELVIEW);
327 glLoadIdentity ();
328
329 glEnable (GL_DEPTH_TEST);
330
331 glDepthFunc (GL_LESS);
332
333 glShadeModel (GL_SMOOTH);
334
335 glEnable (GL_LIGHTING);
336
337 //GLfloat lightc[4] = { 1, 0.1, 0.1, 1 };
338 //glLightf (GL_LIGHT0, GL_QUADRATIC_ATTENUATION);
339 //glLightfv (GL_LIGHT0, GL_DIFFUSE, lightc);
340 glEnable (GL_LIGHT0);
341 glEnable (GL_COLOR_MATERIAL); 333 glEnable (GL_CULL_FACE);
334
335 init_shaders ();
336
337 osama_material osa_mat;
342 338
343 /* Loop until done. */ 339 /* Loop until done. */
344 start_time = SDL_GetTicks (); 340 start_time = SDL_GetTicks ();
345 frames = 0; 341 frames = 0;
342
346 while (!done) 343 while (!done)
347 { 344 {
348 GLenum gl_error;
349 char *sdl_error; 345 char *sdl_error;
350 SDL_Event event; 346 SDL_Event event;
351 347
352 /* Do our drawing, too. */ 348 camera_angle += 180 * camera_velocity_angle * timer.diff;
353 glClearColor (0.0, 0.0, 0.0, 1.0); 349 camera_angle2 += 180 * camera_velocity_angle2 * timer.diff;
354 glClear (GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
355 350
356 GLfloat lightp[4]; 351 vec3 geradeaus = matrix::rotation (-camera_angle, vec3 (0, 1, 0)) * vec3 (0, 0, -1);
357 lightp[0] = camera.p.x; 352 vec3 right = matrix::rotation (90., vec3 (0, 1, 0)) * geradeaus;
358 lightp[1] = camera.p.y; 353
359 lightp[2] = camera.p.z; 354 camera.d = matrix::rotation (camera_angle2, right) * geradeaus;
360 lightp[3] = 1; 355 camera.u = cross (camera.d, right);
361 glLightfv (GL_LIGHT0, GL_POSITION, lightp); 356
357 camera.p = camera.p - camera.d * (camera_velocity_factor * timer.diff) * camera_velocity.z;
358 camera.p = camera.p - camera.u * (camera_velocity_factor * timer.diff) * camera_velocity.y;
359
360 osa_mat.begin ();
361
362 camera.begin ();
363 camera.render (view::DEPTH);
364 camera.render (view::POSTDEPTH);
365 camera.render (view::LIGHTED);
366 camera.end ();
367
368 SDL_GL_SwapBuffers ();
369 timer.frame ();
370
371 osa_mat.end ();
362 372
363#if 0 373#if 0
364 static GLfloat ry;
365 ry += 0.03;
366 v.d.x = cos (ry);
367 v.d.z = sin (ry);
368#endif
369
370 draw_context c;
371 c.mode = draw_context::LIGHTED;
372 camera.draw (c);
373
374 SDL_GL_SwapBuffers ();
375
376 /* Check for error conditions. */ 374 /* Check for error conditions. */
377 gl_error = glGetError (); 375 gl_error = glGetError ();
378 376
379 if (gl_error != GL_NO_ERROR)
380 fprintf (stderr, "testgl: OpenGL error: %d\n", gl_error); 377 if (gl_error != GL_NO_ERROR) fprintf (stderr, "testgl: OpenGL error: %d\n", gl_error);
381 378
382 sdl_error = SDL_GetError (); 379 sdl_error = SDL_GetError ();
383 380
384 if (sdl_error[0] != '\0') 381 if (sdl_error[0] != '\0')
385 { 382 {
386 fprintf (stderr, "testgl: SDL error '%s'\n", sdl_error); 383 fprintf (stderr, "testgl: SDL error '%s'\n", sdl_error);
387 SDL_ClearError (); 384 SDL_ClearError ();
388 } 385 }
389 386
390 /* Allow the user to see what's happening */ 387 /* Allow the user to see what's happening */
391 //SDL_Delay (20); 388 //SDL_Delay (40);
389#endif
392 390
393 /* Check if there's a pending event. */ 391 /* Check if there's a pending event. */
394 while (SDL_PollEvent (&event)) 392 while (SDL_PollEvent (&event))
395 {
396 done = HandleEvent (&event); 393 done = HandleEvent (&event);
397 } 394
395
398 ++frames; 396 ++frames;
399 } 397 }
400 398
401 /* Print out the frames per second */ 399 /* Print out the frames per second */
402 this_time = SDL_GetTicks (); 400 this_time = SDL_GetTicks ();
… …
419 417
420 /* Destroy our GL context, etc. */ 418 /* Destroy our GL context, etc. */
421 SDL_Quit (); 419 SDL_Quit ();
422 return (0); 420 return (0);
423} 421}
424
425int 422int
426main (int argc, char *argv[]) 423main (int argc, char *argv[])
427{ 424{
428 int i, logo; 425 int i, logo;
429 int numtests; 426 int numtests;
… …
431 int slowly; 428 int slowly;
432 float gamma = 0.0; 429 float gamma = 0.0;
433 int noframe = 0; 430 int noframe = 0;
434 int fsaa = 0; 431 int fsaa = 0;
435 432
436 // load a entity
437 txtprt_parser p;
438 entity *e;
439 try {
440 e = p.read ("test.blasc");
441 } catch (txtprt_i_exception & e) {
442 cout << "ERR: " << e.msg << endl;
443 }
444 e->show ();
445
446 logo = 0; 433 logo = 0;
447 slowly = 0; 434 slowly = 0;
448 numtests = 1; 435 numtests = 1;
449 for (i = 1; argv[i]; ++i) 436 for (i = 1; argv[i]; ++i)
450 { 437 {
… …
478 ("Usage: %s [-twice] [-logo] [-slow] [-bpp n] [-gamma n] [-noframe] [-fsaa]\n", 465 ("Usage: %s [-twice] [-logo] [-slow] [-bpp n] [-gamma n] [-noframe] [-fsaa]\n",
479 argv[0]); 466 argv[0]);
480 exit (0); 467 exit (0);
481 } 468 }
482 } 469 }
470
483 for (i = 0; i < numtests; ++i) 471 for (i = 0; i < numtests; ++i)
484 {
485 RunGLTest (argc, argv, logo, slowly, bpp, gamma, noframe, fsaa); 472 RunGLTest (argc, argv, logo, slowly, bpp, gamma, noframe, fsaa);
486 } 473
487 return 0; 474 return 0;
488} 475}

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