2 * Copyright (C) 2003 Robert Kooima
4 * NEVERBALL is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published
6 * by the Free Software Foundation; either version 2 of the License,
7 * or (at your option) any later version.
9 * This program is distributed in the hope that it will be useful, but
10 * WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * General Public License for more details.
16 #include <SDL_mixer.h>
27 /*---------------------------------------------------------------------------*/
29 /* Define the mkdir symbol. */
37 /*---------------------------------------------------------------------------*/
39 static int option_d[CONFIG_OPTION_D_COUNT];
40 static char *option_s[CONFIG_OPTION_S_COUNT];
44 /*---------------------------------------------------------------------------*/
46 static void config_key(const char *s, int i, int d)
52 for (c = 0; c < SDLK_LAST; c++)
53 if (strcmp(s, SDL_GetKeyName(c)) == 0)
60 /*---------------------------------------------------------------------------*/
62 void config_init(void)
64 memset(option_d, 0, sizeof (option_d));
65 memset(option_s, 0, sizeof (option_s));
67 config_set_d(CONFIG_FULLSCREEN, DEFAULT_FULLSCREEN);
68 config_set_d(CONFIG_WIDTH, DEFAULT_WIDTH);
69 config_set_d(CONFIG_HEIGHT, DEFAULT_HEIGHT);
70 config_set_d(CONFIG_STEREO, DEFAULT_STEREO);
71 config_set_d(CONFIG_CAMERA, DEFAULT_CAMERA);
72 config_set_d(CONFIG_TEXTURES, DEFAULT_TEXTURES);
73 config_set_d(CONFIG_GEOMETRY, DEFAULT_GEOMETRY);
74 config_set_d(CONFIG_REFLECTION, DEFAULT_REFLECTION);
75 config_set_d(CONFIG_MULTISAMPLE, DEFAULT_MULTISAMPLE);
76 config_set_d(CONFIG_BACKGROUND, DEFAULT_BACKGROUND);
77 config_set_d(CONFIG_SHADOW, DEFAULT_SHADOW);
78 config_set_d(CONFIG_AUDIO_RATE, DEFAULT_AUDIO_RATE);
79 config_set_d(CONFIG_AUDIO_BUFF, DEFAULT_AUDIO_BUFF);
80 config_set_d(CONFIG_MOUSE_SENSE, DEFAULT_MOUSE_SENSE);
81 config_set_d(CONFIG_MOUSE_INVERT, DEFAULT_MOUSE_INVERT);
82 config_set_d(CONFIG_NICE, DEFAULT_NICE);
83 config_set_d(CONFIG_FPS, DEFAULT_FPS);
84 config_set_d(CONFIG_SOUND_VOLUME, DEFAULT_SOUND_VOLUME);
85 config_set_d(CONFIG_MUSIC_VOLUME, DEFAULT_MUSIC_VOLUME);
86 config_set_d(CONFIG_JOYSTICK, DEFAULT_JOYSTICK);
87 config_set_d(CONFIG_JOYSTICK_DEVICE, DEFAULT_JOYSTICK_DEVICE);
88 config_set_d(CONFIG_JOYSTICK_AXIS_X, DEFAULT_JOYSTICK_AXIS_X);
89 config_set_d(CONFIG_JOYSTICK_AXIS_Y, DEFAULT_JOYSTICK_AXIS_Y);
90 config_set_d(CONFIG_JOYSTICK_BUTTON_A, DEFAULT_JOYSTICK_BUTTON_A);
91 config_set_d(CONFIG_JOYSTICK_BUTTON_B, DEFAULT_JOYSTICK_BUTTON_B);
92 config_set_d(CONFIG_JOYSTICK_BUTTON_L, DEFAULT_JOYSTICK_BUTTON_L);
93 config_set_d(CONFIG_JOYSTICK_BUTTON_R, DEFAULT_JOYSTICK_BUTTON_R);
94 config_set_d(CONFIG_JOYSTICK_BUTTON_EXIT, DEFAULT_JOYSTICK_BUTTON_EXIT);
95 config_set_d(CONFIG_JOYSTICK_CAMERA_1, DEFAULT_JOYSTICK_CAMERA_1);
96 config_set_d(CONFIG_JOYSTICK_CAMERA_2, DEFAULT_JOYSTICK_CAMERA_2);
97 config_set_d(CONFIG_JOYSTICK_CAMERA_3, DEFAULT_JOYSTICK_CAMERA_3);
98 config_set_d(CONFIG_KEY_CAMERA_1, DEFAULT_KEY_CAMERA_1);
99 config_set_d(CONFIG_KEY_CAMERA_2, DEFAULT_KEY_CAMERA_2);
100 config_set_d(CONFIG_KEY_CAMERA_3, DEFAULT_KEY_CAMERA_3);
101 config_set_d(CONFIG_KEY_CAMERA_R, DEFAULT_KEY_CAMERA_R);
102 config_set_d(CONFIG_KEY_CAMERA_L, DEFAULT_KEY_CAMERA_L);
103 config_set_d(CONFIG_VIEW_FOV, DEFAULT_VIEW_FOV);
104 config_set_d(CONFIG_VIEW_DP, DEFAULT_VIEW_DP);
105 config_set_d(CONFIG_VIEW_DC, DEFAULT_VIEW_DC);
106 config_set_d(CONFIG_VIEW_DZ, DEFAULT_VIEW_DZ);
107 config_set_d(CONFIG_ROTATE_FAST, DEFAULT_ROTATE_FAST);
108 config_set_d(CONFIG_ROTATE_SLOW, DEFAULT_ROTATE_SLOW);
109 config_set_s(CONFIG_PLAYER, DEFAULT_PLAYER);
110 config_set_s(CONFIG_BALL, DEFAULT_BALL);
111 config_set_s(CONFIG_BALL_BONUS, DEFAULT_BALL_BONUS);
112 config_set_d(CONFIG_KEY_FORWARD, DEFAULT_KEY_FORWARD);
113 config_set_d(CONFIG_KEY_BACKWARD, DEFAULT_KEY_BACKWARD);
114 config_set_d(CONFIG_KEY_LEFT, DEFAULT_KEY_LEFT);
115 config_set_d(CONFIG_KEY_RIGHT, DEFAULT_KEY_RIGHT);
116 config_set_d(CONFIG_KEY_PAUSE, DEFAULT_KEY_PAUSE);
117 config_set_d(CONFIG_KEY_RESTART, DEFAULT_KEY_RESTART);
120 void config_load(void)
124 if ((fp = fopen(config_user(USER_CONFIG_FILE), "r")))
130 while (fgets(buf, MAXSTR, fp))
131 if (sscanf(buf, "%s %s", key, val) == 2)
133 if (strcmp(key, "fullscreen") == 0)
134 config_set_d(CONFIG_FULLSCREEN, atoi(val));
135 else if (strcmp(key, "width") == 0)
136 config_set_d(CONFIG_WIDTH, atoi(val));
137 else if (strcmp(key, "height") == 0)
138 config_set_d(CONFIG_HEIGHT, atoi(val));
139 else if (strcmp(key, "stereo") == 0)
140 config_set_d(CONFIG_STEREO, atoi(val));
141 else if (strcmp(key, "camera") == 0)
142 config_set_d(CONFIG_CAMERA, atoi(val));
143 else if (strcmp(key, "textures") == 0)
144 config_set_d(CONFIG_TEXTURES, atoi(val));
145 else if (strcmp(key, "geometry") == 0)
146 config_set_d(CONFIG_GEOMETRY, atoi(val));
147 else if (strcmp(key, "reflection") == 0)
148 config_set_d(CONFIG_REFLECTION, atoi(val));
149 else if (strcmp(key, "multisample") == 0)
150 config_set_d(CONFIG_MULTISAMPLE, atoi(val));
151 else if (strcmp(key, "background") == 0)
152 config_set_d(CONFIG_BACKGROUND, atoi(val));
153 else if (strcmp(key, "shadow") == 0)
154 config_set_d(CONFIG_SHADOW, atoi(val));
155 else if (strcmp(key, "audio_rate") == 0)
156 config_set_d(CONFIG_AUDIO_RATE, atoi(val));
157 else if (strcmp(key, "audio_buff") == 0)
158 config_set_d(CONFIG_AUDIO_BUFF, atoi(val));
159 else if (strcmp(key, "mouse_sense") == 0)
160 config_set_d(CONFIG_MOUSE_SENSE, atoi(val));
161 else if (strcmp(key, "mouse_invert") == 0)
162 config_set_d(CONFIG_MOUSE_INVERT, atoi(val));
163 else if (strcmp(key, "nice") == 0)
164 config_set_d(CONFIG_NICE, atoi(val));
165 else if (strcmp(key, "fps") == 0)
166 config_set_d(CONFIG_FPS, atoi(val));
167 else if (strcmp(key, "sound_volume") == 0)
168 config_set_d(CONFIG_SOUND_VOLUME, atoi(val));
169 else if (strcmp(key, "music_volume") == 0)
170 config_set_d(CONFIG_MUSIC_VOLUME, atoi(val));
171 else if (strcmp(key, "joystick") == 0)
172 config_set_d(CONFIG_JOYSTICK, atoi(val));
173 else if (strcmp(key, "joystick_device") == 0)
174 config_set_d(CONFIG_JOYSTICK_DEVICE, atoi(val));
175 else if (strcmp(key, "joystick_axis_x") == 0)
176 config_set_d(CONFIG_JOYSTICK_AXIS_X, atoi(val));
177 else if (strcmp(key, "joystick_axis_y") == 0)
178 config_set_d(CONFIG_JOYSTICK_AXIS_Y, atoi(val));
179 else if (strcmp(key, "joystick_button_a") == 0)
180 config_set_d(CONFIG_JOYSTICK_BUTTON_A, atoi(val));
181 else if (strcmp(key, "joystick_button_b") == 0)
182 config_set_d(CONFIG_JOYSTICK_BUTTON_B, atoi(val));
183 else if (strcmp(key, "joystick_button_r") == 0)
184 config_set_d(CONFIG_JOYSTICK_BUTTON_R, atoi(val));
185 else if (strcmp(key, "joystick_button_l") == 0)
186 config_set_d(CONFIG_JOYSTICK_BUTTON_L, atoi(val));
187 else if (strcmp(key, "joystick_button_exit") == 0)
188 config_set_d(CONFIG_JOYSTICK_BUTTON_EXIT, atoi(val));
189 else if (strcmp(key, "joystick_camera_1") == 0)
190 config_set_d(CONFIG_JOYSTICK_CAMERA_1, atoi(val));
191 else if (strcmp(key, "joystick_camera_2") == 0)
192 config_set_d(CONFIG_JOYSTICK_CAMERA_2, atoi(val));
193 else if (strcmp(key, "joystick_camera_3") == 0)
194 config_set_d(CONFIG_JOYSTICK_CAMERA_3, atoi(val));
195 else if (strcmp(key, "view_fov") == 0)
196 config_set_d(CONFIG_VIEW_FOV, atoi(val));
197 else if (strcmp(key, "view_dp") == 0)
198 config_set_d(CONFIG_VIEW_DP, atoi(val));
199 else if (strcmp(key, "view_dc") == 0)
200 config_set_d(CONFIG_VIEW_DC, atoi(val));
201 else if (strcmp(key, "view_dz") == 0)
202 config_set_d(CONFIG_VIEW_DZ, atoi(val));
203 else if (strcmp(key, "rotate_fast") == 0)
204 config_set_d(CONFIG_ROTATE_FAST, atoi(val));
205 else if (strcmp(key, "rotate_slow") == 0)
206 config_set_d(CONFIG_ROTATE_SLOW, atoi(val));
208 else if (strcmp(key, "key_forward") == 0)
209 config_key(val, CONFIG_KEY_FORWARD, DEFAULT_KEY_FORWARD);
210 else if (strcmp(key, "key_backward") == 0)
211 config_key(val, CONFIG_KEY_BACKWARD, DEFAULT_KEY_BACKWARD);
212 else if (strcmp(key, "key_left") == 0)
213 config_key(val, CONFIG_KEY_LEFT, DEFAULT_KEY_LEFT);
214 else if (strcmp(key, "key_right") == 0)
215 config_key(val, CONFIG_KEY_RIGHT, DEFAULT_KEY_RIGHT);
217 else if (strcmp(key, "key_camera_1") == 0)
218 config_key(val, CONFIG_KEY_CAMERA_1, DEFAULT_KEY_CAMERA_1);
219 else if (strcmp(key, "key_camera_2") == 0)
220 config_key(val, CONFIG_KEY_CAMERA_2, DEFAULT_KEY_CAMERA_2);
221 else if (strcmp(key, "key_camera_3") == 0)
222 config_key(val, CONFIG_KEY_CAMERA_3, DEFAULT_KEY_CAMERA_3);
223 else if (strcmp(key, "key_camera_r") == 0)
224 config_key(val, CONFIG_KEY_CAMERA_R, DEFAULT_KEY_CAMERA_R);
225 else if (strcmp(key, "key_camera_l") == 0)
226 config_key(val, CONFIG_KEY_CAMERA_L, DEFAULT_KEY_CAMERA_L);
228 else if (strcmp(key, "key_pause") == 0)
229 config_key(val, CONFIG_KEY_PAUSE, DEFAULT_KEY_PAUSE);
230 else if (strcmp(key, "key_restart") == 0)
231 config_key(val, CONFIG_KEY_RESTART, DEFAULT_KEY_RESTART);
233 else if (strcmp(key, "player") == 0)
234 config_set_s(CONFIG_PLAYER, val);
235 else if (strcmp(key, "ball") == 0)
236 config_set_s(CONFIG_BALL, val);
237 else if (strcmp(key, "ball_bonus") == 0)
238 config_set_s(CONFIG_BALL_BONUS, val);
247 void config_save(void)
251 if (dirty && (fp = fopen(config_user(USER_CONFIG_FILE), "w")))
253 fprintf(fp, "fullscreen %d\n",
254 option_d[CONFIG_FULLSCREEN]);
255 fprintf(fp, "width %d\n",
256 option_d[CONFIG_WIDTH]);
257 fprintf(fp, "height %d\n",
258 option_d[CONFIG_HEIGHT]);
259 fprintf(fp, "stereo %d\n",
260 option_d[CONFIG_STEREO]);
261 fprintf(fp, "camera %d\n",
262 option_d[CONFIG_CAMERA]);
263 fprintf(fp, "textures %d\n",
264 option_d[CONFIG_TEXTURES]);
265 fprintf(fp, "geometry %d\n",
266 option_d[CONFIG_GEOMETRY]);
267 fprintf(fp, "reflection %d\n",
268 option_d[CONFIG_REFLECTION]);
269 fprintf(fp, "multisample %d\n",
270 option_d[CONFIG_MULTISAMPLE]);
271 fprintf(fp, "background %d\n",
272 option_d[CONFIG_BACKGROUND]);
273 fprintf(fp, "shadow %d\n",
274 option_d[CONFIG_SHADOW]);
275 fprintf(fp, "audio_rate %d\n",
276 option_d[CONFIG_AUDIO_RATE]);
277 fprintf(fp, "audio_buff %d\n",
278 option_d[CONFIG_AUDIO_BUFF]);
279 fprintf(fp, "mouse_sense %d\n",
280 option_d[CONFIG_MOUSE_SENSE]);
281 fprintf(fp, "mouse_invert %d\n",
282 option_d[CONFIG_MOUSE_INVERT]);
283 fprintf(fp, "nice %d\n",
284 option_d[CONFIG_NICE]);
285 fprintf(fp, "fps %d\n",
286 option_d[CONFIG_FPS]);
287 fprintf(fp, "sound_volume %d\n",
288 option_d[CONFIG_SOUND_VOLUME]);
289 fprintf(fp, "music_volume %d\n",
290 option_d[CONFIG_MUSIC_VOLUME]);
291 fprintf(fp, "joystick %d\n",
292 option_d[CONFIG_JOYSTICK]);
293 fprintf(fp, "joystick_device %d\n",
294 option_d[CONFIG_JOYSTICK_DEVICE]);
295 fprintf(fp, "joystick_axis_x %d\n",
296 option_d[CONFIG_JOYSTICK_AXIS_X]);
297 fprintf(fp, "joystick_axis_y %d\n",
298 option_d[CONFIG_JOYSTICK_AXIS_Y]);
299 fprintf(fp, "joystick_button_a %d\n",
300 option_d[CONFIG_JOYSTICK_BUTTON_A]);
301 fprintf(fp, "joystick_button_b %d\n",
302 option_d[CONFIG_JOYSTICK_BUTTON_B]);
303 fprintf(fp, "joystick_button_r %d\n",
304 option_d[CONFIG_JOYSTICK_BUTTON_R]);
305 fprintf(fp, "joystick_button_l %d\n",
306 option_d[CONFIG_JOYSTICK_BUTTON_L]);
307 fprintf(fp, "joystick_button_exit %d\n",
308 option_d[CONFIG_JOYSTICK_BUTTON_EXIT]);
309 fprintf(fp, "joystick_camera_1 %d\n",
310 option_d[CONFIG_JOYSTICK_CAMERA_1]);
311 fprintf(fp, "joystick_camera_2 %d\n",
312 option_d[CONFIG_JOYSTICK_CAMERA_2]);
313 fprintf(fp, "joystick_camera_3 %d\n",
314 option_d[CONFIG_JOYSTICK_CAMERA_3]);
315 fprintf(fp, "view_fov %d\n",
316 option_d[CONFIG_VIEW_FOV]);
317 fprintf(fp, "view_dp %d\n",
318 option_d[CONFIG_VIEW_DP]);
319 fprintf(fp, "view_dc %d\n",
320 option_d[CONFIG_VIEW_DC]);
321 fprintf(fp, "view_dz %d\n",
322 option_d[CONFIG_VIEW_DZ]);
323 fprintf(fp, "rotate_fast %d\n",
324 option_d[CONFIG_ROTATE_FAST]);
325 fprintf(fp, "rotate_slow %d\n",
326 option_d[CONFIG_ROTATE_SLOW]);
328 fprintf(fp, "key_forward %s\n",
329 SDL_GetKeyName(option_d[CONFIG_KEY_FORWARD]));
330 fprintf(fp, "key_backward %s\n",
331 SDL_GetKeyName(option_d[CONFIG_KEY_BACKWARD]));
332 fprintf(fp, "key_left %s\n",
333 SDL_GetKeyName(option_d[CONFIG_KEY_LEFT]));
334 fprintf(fp, "key_right %s\n",
335 SDL_GetKeyName(option_d[CONFIG_KEY_RIGHT]));
337 fprintf(fp, "key_camera_1 %s\n",
338 SDL_GetKeyName(option_d[CONFIG_KEY_CAMERA_1]));
339 fprintf(fp, "key_camera_2 %s\n",
340 SDL_GetKeyName(option_d[CONFIG_KEY_CAMERA_2]));
341 fprintf(fp, "key_camera_3 %s\n",
342 SDL_GetKeyName(option_d[CONFIG_KEY_CAMERA_3]));
343 fprintf(fp, "key_camera_r %s\n",
344 SDL_GetKeyName(option_d[CONFIG_KEY_CAMERA_R]));
345 fprintf(fp, "key_camera_l %s\n",
346 SDL_GetKeyName(option_d[CONFIG_KEY_CAMERA_L]));
348 fprintf(fp, "key_pause %s\n",
349 SDL_GetKeyName(option_d[CONFIG_KEY_PAUSE]));
350 fprintf(fp, "key_restart %s\n",
351 SDL_GetKeyName(option_d[CONFIG_KEY_RESTART]));
353 fprintf(fp, "player %s\n", option_s[CONFIG_PLAYER]);
354 fprintf(fp, "ball %s\n", option_s[CONFIG_BALL]);
355 fprintf(fp, "ball_bonus %s\n", option_s[CONFIG_BALL_BONUS]);
363 /*---------------------------------------------------------------------------*/
365 int check_extension(const char *needle)
367 const GLubyte *haystack, *c;
369 /* Search for the given string in the OpenGL extension strings. */
371 for (haystack = glGetString(GL_EXTENSIONS); *haystack; haystack++)
373 for (c = (const GLubyte *) needle; *c && *haystack; c++, haystack++)
377 if ((*c == 0) && (*haystack == ' ' || *haystack == '\0'))
384 int config_mode(int f, int w, int h)
386 int stereo = config_get_d(CONFIG_STEREO) ? 1 : 0;
387 int stencil = config_get_d(CONFIG_REFLECTION) ? 1 : 0;
388 int buffers = config_get_d(CONFIG_MULTISAMPLE) ? 1 : 0;
389 int samples = config_get_d(CONFIG_MULTISAMPLE);
391 SDL_GL_SetAttribute(SDL_GL_STEREO, stereo);
392 SDL_GL_SetAttribute(SDL_GL_STENCIL_SIZE, stencil);
393 SDL_GL_SetAttribute(SDL_GL_MULTISAMPLEBUFFERS, buffers);
394 SDL_GL_SetAttribute(SDL_GL_MULTISAMPLESAMPLES, samples);
396 /* Try to set the currently specified mode. */
398 if (SDL_SetVideoMode(w, h, 0, SDL_OPENGL | (f ? SDL_FULLSCREEN : 0)))
400 config_set_d(CONFIG_FULLSCREEN, f);
401 config_set_d(CONFIG_WIDTH, w);
402 config_set_d(CONFIG_HEIGHT, h);
404 glViewport(0, 0, w, h);
405 glClearColor(0.0f, 0.0f, 0.1f, 0.0f);
407 glEnable(GL_NORMALIZE);
408 glEnable(GL_CULL_FACE);
409 glEnable(GL_DEPTH_TEST);
410 glEnable(GL_TEXTURE_2D);
411 glEnable(GL_LIGHTING);
413 /* If GL supports multisample, and SDL got a multisample buffer... */
415 #ifdef GL_ARB_multisample
416 if (check_extension("ARB_multisample"))
418 SDL_GL_GetAttribute(SDL_GL_MULTISAMPLEBUFFERS, &buffers);
420 glEnable(GL_MULTISAMPLE_ARB);
427 /* If the mode failed, try it without stereo. */
431 config_set_d(CONFIG_STEREO, 0);
432 return config_mode(f, w, h);
435 /* If the mode failed, try decreasing the level of multisampling. */
439 config_set_d(CONFIG_MULTISAMPLE, samples / 2);
440 return config_mode(f, w, h);
443 /* If that mode failed, try it without reflections. */
447 config_set_d(CONFIG_REFLECTION, 0);
448 return config_mode(f, w, h);
451 /* If THAT mode failed, punt. */
456 /*---------------------------------------------------------------------------*/
458 void config_set_d(int i, int d)
464 void config_tgl_d(int i)
466 option_d[i] = (option_d[i] ? 0 : 1);
470 int config_tst_d(int i, int d)
472 return (option_d[i] == d) ? 1 : 0;
475 int config_get_d(int i)
480 /*---------------------------------------------------------------------------*/
482 void config_set_s(int i, const char *src)
484 int len = (int) strlen(src);
489 if ((option_s[i] = (char *) malloc(len + 1)))
490 strncpy(option_s[i], src, len + 1);
495 void config_get_s(int i, char *dst, int len)
497 strncpy(dst, option_s[i], len);
500 /*---------------------------------------------------------------------------*/
502 static int grabbed = 0;
504 void config_set_grab(int w)
507 SDL_WarpMouse(config_get_d(CONFIG_WIDTH) / 2,
508 config_get_d(CONFIG_HEIGHT) / 2);
509 SDL_WM_GrabInput(SDL_GRAB_ON);
510 SDL_ShowCursor(SDL_DISABLE);
514 void config_clr_grab(void)
516 SDL_WM_GrabInput(SDL_GRAB_OFF);
517 SDL_ShowCursor(SDL_ENABLE);
521 int config_get_grab(void)
526 /*---------------------------------------------------------------------------*/
528 int config_cheat(void)
531 return strcmp(option_s[CONFIG_PLAYER], "CHEATER") == 0;
537 /*---------------------------------------------------------------------------*/
539 void config_push_persp(float fov, float n, float f)
543 GLdouble r = fov / 2 * V_PI / 180;
545 GLdouble c = cos(r) / s;
547 GLdouble a = ((GLdouble) option_d[CONFIG_WIDTH] /
548 (GLdouble) option_d[CONFIG_HEIGHT]);
550 glMatrixMode(GL_PROJECTION);
565 m[2][2] = -(f + n) / (f - n);
569 m[3][2] = -2.0 * n * f / (f - n);
572 glMultMatrixd(&m[0][0]);
574 glMatrixMode(GL_MODELVIEW);
577 void config_push_ortho(void)
579 GLdouble w = (GLdouble) option_d[CONFIG_WIDTH];
580 GLdouble h = (GLdouble) option_d[CONFIG_HEIGHT];
582 glMatrixMode(GL_PROJECTION);
586 glOrtho(0.0, w, 0.0, h, -1.0, +1.0);
588 glMatrixMode(GL_MODELVIEW);
591 void config_pop_matrix(void)
593 glMatrixMode(GL_PROJECTION);
597 glMatrixMode(GL_MODELVIEW);
600 void config_clear(void)
602 if (option_d[CONFIG_REFLECTION])
603 glClear(GL_COLOR_BUFFER_BIT |
604 GL_DEPTH_BUFFER_BIT |
605 GL_STENCIL_BUFFER_BIT);
607 glClear(GL_COLOR_BUFFER_BIT |
608 GL_DEPTH_BUFFER_BIT);
611 /*---------------------------------------------------------------------------*/