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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 1.69 by root, Sat Oct 23 02:27:51 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; 155}
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
166void fisch (vec3 center, GLfloat radius, int depth)
167{
168 entity *planet = new entity (new geometry_sphere (radius));
169 planet->move (center);
170 planet->show ();
171
172 if (--depth)
170 } 173 {
174 GLfloat r2 = radius * .1F;
175 GLfloat r3 = radius + r2;
171 176
172 /* Save the alpha blending attributes */ 177 fisch (center + vec3 (r3, 0, 0), r2, depth);
173 saved_flags = surface->flags & (SDL_SRCALPHA | SDL_RLEACCELOK); 178 fisch (center + vec3 (0, 0, r3), r2, depth);
174 saved_alpha = surface->format->alpha; 179 fisch (center + vec3 (-r3, 0, 0), r2, depth);
175 if ((saved_flags & SDL_SRCALPHA) == SDL_SRCALPHA)
176 { 180 }
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} 181}
205 182
183extern void draw_level ();
206int 184int
207RunGLTest (int argc, char *argv[], 185RunGLTest (int argc, char *argv[],
208 int logo, int slowly, int bpp, float gamma, int noframe, int fsaa) 186 int logo, int slowly, int bpp, float gamma, int noframe, int fsaa)
209{ 187{
210 int i; 188 int i;
211 int rgb_size[3]; 189 int rgb_size[3];
212 int w = 640; 190 int w = 640;
213 int h = 480; 191 int h = 480;
214 int done = 0; 192 int done = 0;
215 int frames; 193 int frames;
216 Uint32 start_time, this_time;
217 Uint32 video_flags; 194 Uint32 video_flags;
218 int value; 195 int value;
196 GLenum gl_error;
219 197
220 if (SDL_Init (SDL_INIT_VIDEO) < 0) 198 if (SDL_Init (SDL_INIT_VIDEO) < 0)
221 { 199 {
222 fprintf (stderr, "Couldn't initialize SDL: %s\n", SDL_GetError ()); 200 fprintf (stderr, "Couldn't initialize SDL: %s\n", SDL_GetError ());
223 exit (1); 201 exit (1);
… …
261 rgb_size[0] = 8; 239 rgb_size[0] = 8;
262 rgb_size[1] = 8; 240 rgb_size[1] = 8;
263 rgb_size[2] = 8; 241 rgb_size[2] = 8;
264 break; 242 break;
265 } 243 }
244
266 SDL_GL_SetAttribute (SDL_GL_RED_SIZE, rgb_size[0]); 245 SDL_GL_SetAttribute (SDL_GL_RED_SIZE, rgb_size[0]);
267 SDL_GL_SetAttribute (SDL_GL_GREEN_SIZE, rgb_size[1]); 246 SDL_GL_SetAttribute (SDL_GL_GREEN_SIZE, rgb_size[1]);
268 SDL_GL_SetAttribute (SDL_GL_BLUE_SIZE, rgb_size[2]); 247 SDL_GL_SetAttribute (SDL_GL_BLUE_SIZE, rgb_size[2]);
269 SDL_GL_SetAttribute (SDL_GL_DEPTH_SIZE, 16); 248 SDL_GL_SetAttribute (SDL_GL_DEPTH_SIZE, 24);
270 SDL_GL_SetAttribute (SDL_GL_DOUBLEBUFFER, 1); 249 SDL_GL_SetAttribute (SDL_GL_DOUBLEBUFFER, 1);
271 250
272 if (fsaa) 251 if (fsaa)
273 { 252 {
274 SDL_GL_SetAttribute (SDL_GL_MULTISAMPLEBUFFERS, 1); 253 SDL_GL_SetAttribute (SDL_GL_MULTISAMPLEBUFFERS, 1);
… …
280 fprintf (stderr, "Couldn't set GL mode: %s\n", SDL_GetError ()); 259 fprintf (stderr, "Couldn't set GL mode: %s\n", SDL_GetError ());
281 SDL_Quit (); 260 SDL_Quit ();
282 exit (1); 261 exit (1);
283 } 262 }
284 263
285 printf ("Screen BPP: %d\n", SDL_GetVideoSurface ()->format->BitsPerPixel); 264 //printf ("Screen BPP: %d\n", SDL_GetVideoSurface ()->format->BitsPerPixel);
286 printf ("\n"); 265 //printf ("\n");
287 printf ("Vendor : %s\n", glGetString (GL_VENDOR)); 266 //printf ("Vendor : %s\n", glGetString (GL_VENDOR));
288 printf ("Renderer : %s\n", glGetString (GL_RENDERER)); 267 //printf ("Renderer : %s\n", glGetString (GL_RENDERER));
289 printf ("Version : %s\n", glGetString (GL_VERSION)); 268 //printf ("Version : %s\n", glGetString (GL_VERSION));
290 printf ("Extensions : %s\n", glGetString (GL_EXTENSIONS)); 269 //printf ("Extensions : %s\n", glGetString (GL_EXTENSIONS));
291 printf ("\n"); 270 printf ("\n");
292 271
293 SDL_GL_GetAttribute (SDL_GL_RED_SIZE, &value); 272 SDL_GL_GetAttribute (SDL_GL_RED_SIZE, &value);
294 printf ("SDL_GL_RED_SIZE: requested %d, got %d\n", rgb_size[0], value); 273 printf ("SDL_GL_RED_SIZE: requested %d, got %d\n", rgb_size[0], value);
295 SDL_GL_GetAttribute (SDL_GL_GREEN_SIZE, &value); 274 SDL_GL_GetAttribute (SDL_GL_GREEN_SIZE, &value);
… …
309 printf ("SDL_GL_MULTISAMPLESAMPLES: requested %d, got %d\n", fsaa, 288 printf ("SDL_GL_MULTISAMPLESAMPLES: requested %d, got %d\n", fsaa,
310 value); 289 value);
311 } 290 }
312 291
313 /* Set the window manager title bar */ 292 /* Set the window manager title bar */
314 SDL_WM_SetCaption ("SDL GL test", "testgl"); 293 SDL_WM_SetCaption ("libgender rendering test", "gendertest");
315 294
316 /* Set the gamma for the window */ 295 /* Set the gamma for the window */
317 if (gamma != 0.0) 296 if (gamma != 0.0)
318 SDL_SetGamma (gamma, gamma, gamma); 297 SDL_SetGamma (gamma, gamma, gamma);
319 298
299 entity *planet = new entity (new geometry_sphere (10));
300 planet->move (vec3 (0, 0, -20));
301 planet->show ();
302
303 shader::debdebdebdebug ();//D
304
305#if 1
306 for (int i = 0; i < 20; i++)
307 {
308 // load a entity
309 txtprt_parser p;
310 geometry *g;
311 try
312 {
313 g = p.read ("test.blasc");
314 }
315 catch (txtprt_i_exception & e)
316 {
317 cout << "ERR: " << e.msg << endl;
318 }
319
320 entity *e = new entity (g);
321 e->move (vec3 (i*5, -3, -i*10));
322 e->show ();
323 }
324
325 {
326 fisch (vec3 (0, 0, -2e9), 1e9, 8);
327 //entity *planet = new entity (new geometry_sphere (1e9));
328 //planet->move (vec3 (0, 0, -1.5e9));
329 //planet->show ();
330 }
331
332 {
333 entity *planet = new entity (new geometry_sphere (4e15));
334 planet->move (vec3 (0, 0, 1e17));
335 planet->show ();
336 }
337
338 draw_floor (10, -500, -10, -1000);
339 draw_level ();
340 //draw_test_nurb ();
341#endif
342
343 //camera.orig.x = 108; camera.orig.y = 0; camera.orig.z = -368;
344 camera.orig.x = 0; camera.orig.y = 0; camera.orig.z = 0;
320 camera.p = point (0, 0, 10); 345 camera.p = point (0, 0, 10);
321 camera.d = vec3 (0, 0, -1); 346 camera.d = vec3 (0, 0, -1);
322 camera.u = vec3 (0, 1, 0); 347 camera.u = vec3 (0, 1, 0);
323 camera.w = w; camera.h = h; 348 camera.w = w; camera.h = h;
324 camera.fov = 90; 349 camera.fov = 40.;
325 350
326 glMatrixMode (GL_MODELVIEW); 351 glEnable (GL_CULL_FACE);
327 glLoadIdentity ();
328
329 glEnable (GL_DEPTH_TEST); 352 glDisable (GL_ALPHA_TEST);
353 glDisable (GL_BLEND);
330 354
331 glDepthFunc (GL_LESS); 355 init_shaders ();
332 356
333 glShadeModel (GL_SMOOTH); 357 osama_material osa_mat;
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);
342 358
343 /* Loop until done. */ 359 /* Loop until done. */
344 start_time = SDL_GetTicks ();
345 frames = 0; 360 frames = 0;
361
346 while (!done) 362 while (!done)
347 { 363 {
348 GLenum gl_error;
349 char *sdl_error; 364 char *sdl_error;
350 SDL_Event event; 365 SDL_Event event;
351 366
352 /* Do our drawing, too. */ 367 camera_angle += 180 * camera_velocity_angle * timer.diff;
353 glClearColor (0.0, 0.0, 0.0, 1.0); 368 camera_angle2 += 180 * camera_velocity_angle2 * timer.diff;
354 glClear (GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
355 369
356 GLfloat lightp[4]; 370 vec3 geradeaus = matrix::rotation (-camera_angle, vec3 (0, 1, 0)) * vec3 (0, 0, -1);
357 lightp[0] = camera.p.x; 371 vec3 right = matrix::rotation (90., vec3 (0, 1, 0)) * geradeaus;
358 lightp[1] = camera.p.y; 372
359 lightp[2] = camera.p.z; 373 camera.d = matrix::rotation (camera_angle2, right) * geradeaus;
360 lightp[3] = 1; 374 camera.u = cross (camera.d, right);
361 glLightfv (GL_LIGHT0, GL_POSITION, lightp); 375
376 camera.p = camera.p - camera.d * (camera_velocity_factor * timer.diff) * camera_velocity.z;
377 camera.p = camera.p - camera.u * (camera_velocity_factor * timer.diff) * camera_velocity.y;
378
379 osa_mat.begin ();
380
381 camera.begin ();
382 camera.render (view::DEPTH);
383 camera.render (view::POSTDEPTH);
384 camera.render (view::LIGHTED);
385 camera.end ();
386
387 SDL_GL_SwapBuffers ();
388 timer.frame ();
389
390 osa_mat.end ();
362 391
363#if 0 392#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. */ 393 /* Check for error conditions. */
377 gl_error = glGetError (); 394 gl_error = glGetError ();
378 395
379 if (gl_error != GL_NO_ERROR)
380 fprintf (stderr, "testgl: OpenGL error: %d\n", gl_error); 396 if (gl_error != GL_NO_ERROR) fprintf (stderr, "testgl: OpenGL error: %d\n", gl_error);
381 397
382 sdl_error = SDL_GetError (); 398 sdl_error = SDL_GetError ();
383 399
384 if (sdl_error[0] != '\0') 400 if (sdl_error[0] != '\0')
385 { 401 {
386 fprintf (stderr, "testgl: SDL error '%s'\n", sdl_error); 402 fprintf (stderr, "testgl: SDL error '%s'\n", sdl_error);
387 SDL_ClearError (); 403 SDL_ClearError ();
388 } 404 }
389 405
390 /* Allow the user to see what's happening */ 406 /* Allow the user to see what's happening */
391 //SDL_Delay (20); 407 //SDL_Delay (40);
408#endif
392 409
393 /* Check if there's a pending event. */ 410 /* Check if there's a pending event. */
394 while (SDL_PollEvent (&event)) 411 while (SDL_PollEvent (&event))
395 {
396 done = HandleEvent (&event); 412 done = HandleEvent (&event);
397 } 413
414
398 ++frames; 415 ++frames;
399 }
400
401 /* Print out the frames per second */
402 this_time = SDL_GetTicks ();
403 if (this_time != start_time)
404 {
405 printf ("%2.2f FPS\n",
406 ((float) frames / (this_time - start_time)) * 1000.0);
407 } 416 }
408 417
409 if (global_image) 418 if (global_image)
410 { 419 {
411 SDL_FreeSurface (global_image); 420 SDL_FreeSurface (global_image);
… …
419 428
420 /* Destroy our GL context, etc. */ 429 /* Destroy our GL context, etc. */
421 SDL_Quit (); 430 SDL_Quit ();
422 return (0); 431 return (0);
423} 432}
424
425int 433int
426main (int argc, char *argv[]) 434main (int argc, char *argv[])
427{ 435{
428 int i, logo; 436 int i, logo;
429 int numtests; 437 int numtests;
… …
431 int slowly; 439 int slowly;
432 float gamma = 0.0; 440 float gamma = 0.0;
433 int noframe = 0; 441 int noframe = 0;
434 int fsaa = 0; 442 int fsaa = 0;
435 443
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; 444 logo = 0;
447 slowly = 0; 445 slowly = 0;
448 numtests = 1; 446 numtests = 1;
449 for (i = 1; argv[i]; ++i) 447 for (i = 1; argv[i]; ++i)
450 { 448 {
… …
478 ("Usage: %s [-twice] [-logo] [-slow] [-bpp n] [-gamma n] [-noframe] [-fsaa]\n", 476 ("Usage: %s [-twice] [-logo] [-slow] [-bpp n] [-gamma n] [-noframe] [-fsaa]\n",
479 argv[0]); 477 argv[0]);
480 exit (0); 478 exit (0);
481 } 479 }
482 } 480 }
481
483 for (i = 0; i < numtests; ++i) 482 for (i = 0; i < numtests; ++i)
484 {
485 RunGLTest (argc, argv, logo, slowly, bpp, gamma, noframe, fsaa); 483 RunGLTest (argc, argv, logo, slowly, bpp, gamma, noframe, fsaa);
486 } 484
487 return 0; 485 return 0;
488} 486}

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