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.
15 /*---------------------------------------------------------------------------*/
40 #define TITLE "Neverball"
42 /*---------------------------------------------------------------------------*/
44 static void shot(void)
46 static char filename[MAXSTR];
49 sprintf(filename, "screen%02d.png", num++);
54 /*---------------------------------------------------------------------------*/
56 static void toggle_wire(void)
62 glPolygonMode(GL_FRONT_AND_BACK, GL_FILL);
63 glEnable(GL_TEXTURE_2D);
64 glEnable(GL_LIGHTING);
69 glPolygonMode(GL_FRONT_AND_BACK, GL_LINE);
70 glDisable(GL_TEXTURE_2D);
71 glDisable(GL_LIGHTING);
76 /*---------------------------------------------------------------------------*/
84 /* Process SDL events. */
86 while (d && SDL_PollEvent(&e))
95 -e.motion.y + config_get_d(CONFIG_HEIGHT),
97 config_get_d(CONFIG_MOUSE_INVERT)
98 ? +e.motion.yrel : -e.motion.yrel);
101 case SDL_MOUSEBUTTONDOWN:
102 d = st_click((e.button.button == SDL_BUTTON_LEFT) ? -1 : 1, 1);
105 case SDL_MOUSEBUTTONUP:
106 d = st_click((e.button.button == SDL_BUTTON_LEFT) ? -1 : 1, 0);
111 c = e.key.keysym.sym;
113 if (config_tst_d(CONFIG_KEY_FORWARD, c))
114 st_stick(config_get_d(CONFIG_JOYSTICK_AXIS_Y), -JOY_MAX);
116 else if (config_tst_d(CONFIG_KEY_BACKWARD, c))
117 st_stick(config_get_d(CONFIG_JOYSTICK_AXIS_Y), +JOY_MAX);
119 else if (config_tst_d(CONFIG_KEY_LEFT, c))
120 st_stick(config_get_d(CONFIG_JOYSTICK_AXIS_X), -JOY_MAX);
122 else if (config_tst_d(CONFIG_KEY_RIGHT, c))
123 st_stick(config_get_d(CONFIG_JOYSTICK_AXIS_X), +JOY_MAX);
127 case SDLK_F10: shot(); break;
128 case SDLK_F9: config_tgl_d(CONFIG_FPS); break;
129 case SDLK_F8: config_tgl_d(CONFIG_NICE); break;
137 d = st_buttn(config_get_d(CONFIG_JOYSTICK_BUTTON_A), 1);
140 d = st_buttn(config_get_d(CONFIG_JOYSTICK_BUTTON_EXIT), 1);
144 if (SDL_EnableUNICODE(-1))
145 d = st_keybd(e.key.keysym.unicode, 1);
147 d = st_keybd(e.key.keysym.sym, 1);
154 c = e.key.keysym.sym;
156 if (config_tst_d(CONFIG_KEY_FORWARD, c))
157 st_stick(config_get_d(CONFIG_JOYSTICK_AXIS_Y), 1);
159 else if (config_tst_d(CONFIG_KEY_BACKWARD, c))
160 st_stick(config_get_d(CONFIG_JOYSTICK_AXIS_Y), 1);
162 else if (config_tst_d(CONFIG_KEY_LEFT, c))
163 st_stick(config_get_d(CONFIG_JOYSTICK_AXIS_X), 1);
165 else if (config_tst_d(CONFIG_KEY_RIGHT, c))
166 st_stick(config_get_d(CONFIG_JOYSTICK_AXIS_X), 1);
171 d = st_buttn(config_get_d(CONFIG_JOYSTICK_BUTTON_A), 0);
174 d = st_buttn(config_get_d(CONFIG_JOYSTICK_BUTTON_EXIT), 0);
178 d = st_keybd(e.key.keysym.sym, 0);
181 case SDL_ACTIVEEVENT:
182 if (e.active.state == SDL_APPINPUTFOCUS)
183 if (e.active.gain == 0 && config_get_grab())
187 case SDL_JOYAXISMOTION:
188 st_stick(e.jaxis.axis, e.jaxis.value);
191 case SDL_JOYBUTTONDOWN:
192 d = st_buttn(e.jbutton.button, 1);
195 case SDL_JOYBUTTONUP:
196 d = st_buttn(e.jbutton.button, 0);
201 /* Process events via the tilt sensor API. */
208 st_angle((int) tilt_get_x(),
211 while (tilt_get_button(&b, &s))
213 const int X = config_get_d(CONFIG_JOYSTICK_AXIS_X);
214 const int Y = config_get_d(CONFIG_JOYSTICK_AXIS_Y);
215 const int L = config_get_d(CONFIG_JOYSTICK_DPAD_L);
216 const int R = config_get_d(CONFIG_JOYSTICK_DPAD_R);
217 const int U = config_get_d(CONFIG_JOYSTICK_DPAD_U);
218 const int D = config_get_d(CONFIG_JOYSTICK_DPAD_D);
220 if (b == L || b == R || b == U || b == D)
222 static int pad[4] = { 0, 0, 0, 0 };
224 /* Track the state of the D-pad buttons. */
226 if (b == L) pad[0] = s;
227 else if (b == R) pad[1] = s;
228 else if (b == U) pad[2] = s;
229 else if (b == D) pad[3] = s;
231 /* Convert D-pad button events into joystick axis motion. */
233 if (pad[0] && !pad[1]) st_stick(X, -JOY_MAX);
234 else if (pad[1] && !pad[0]) st_stick(X, +JOY_MAX);
237 if (pad[2] && !pad[3]) st_stick(Y, -JOY_MAX);
238 else if (pad[3] && !pad[2]) st_stick(Y, +JOY_MAX);
241 else d = st_buttn(b, s);
248 /*---------------------------------------------------------------------------*/
250 static char *data_path = NULL;
251 static char *demo_path = NULL;
253 static unsigned int display_info = 0;
254 static unsigned int replay_demo = 0;
258 "Usage: %s [options ...]\n" \
260 " -h, --help show this usage message.\n" \
261 " -v, --version show version.\n" \
262 " -d, --data <dir> use 'dir' as game data directory.\n" \
263 " -r, --replay <file> play the replay 'file'.\n" \
264 " -i, --info display info about a replay.\n" \
267 #define argument_error(option) { \
268 fprintf(stderr, L_("Option '%s' requires an argument.\n"), option); \
271 static void parse_args(int argc, char **argv)
275 /* Scan argument list. */
277 for (i = 1; i < argc; i++)
279 if (strcmp(argv[i], "-h") == 0 || strcmp(argv[i], "--help") == 0)
281 printf(usage, argv[0]);
285 if (strcmp(argv[i], "-v") == 0 || strcmp(argv[i], "--version") == 0)
287 printf("%s\n", VERSION);
291 if (strcmp(argv[i], "-d") == 0 || strcmp(argv[i], "--data") == 0)
295 argument_error(argv[i]);
298 data_path = argv[++i];
302 if (strcmp(argv[i], "-r") == 0 || strcmp(argv[i], "--replay") == 0)
306 argument_error(argv[i]);
309 demo_path = argv[++i];
313 if (strcmp(argv[i], "-i") == 0 || strcmp(argv[i], "--info") == 0)
320 /* Resolve conflicts. */
323 replay_demo = display_info ? 0 : 1;
327 /* FIXME, I'm a required option. */
328 fputs(L_("Option '--info' requires '--replay'.\n"), stderr);
334 #undef argument_error
336 /*---------------------------------------------------------------------------*/
338 int main(int argc, char *argv[])
340 SDL_Joystick *joy = NULL;
347 lang_init("neverball", CONFIG_LOCALE);
351 parse_args(argc, argv);
353 if (!config_data_path(data_path, SET_FILE))
355 fputs(L_("Failure to establish game data directory\n"), stderr);
359 if (!config_user_path(NULL))
361 fputs(L_("Failure to establish config directory\n"), stderr);
365 /* Initialize SDL system and subsystems */
367 if (SDL_Init(SDL_INIT_VIDEO | SDL_INIT_AUDIO | SDL_INIT_JOYSTICK) == -1)
369 fprintf(stderr, "%s\n", SDL_GetError());
373 /* Intitialize the configuration */
378 /* Dump replay information and exit. */
382 if (!level_replay(demo_path))
384 fprintf(stderr, L_("Replay file '%s': %s\n"), demo_path,
385 errno ? strerror(errno) : L_("Not a replay file"));
388 demo_replay_dump_info();
392 /* Initialize the joystick. */
394 if (SDL_NumJoysticks() > 0)
396 joy = SDL_JoystickOpen(config_get_d(CONFIG_JOYSTICK_DEVICE));
398 SDL_JoystickEventState(SDL_ENABLE);
401 /* Initialize the audio. */
406 /* Require 16-bit double buffer with 16-bit depth buffer. */
408 SDL_GL_SetAttribute(SDL_GL_RED_SIZE, 5);
409 SDL_GL_SetAttribute(SDL_GL_GREEN_SIZE, 5);
410 SDL_GL_SetAttribute(SDL_GL_BLUE_SIZE, 5);
411 SDL_GL_SetAttribute(SDL_GL_DEPTH_SIZE, 16);
412 SDL_GL_SetAttribute(SDL_GL_DOUBLEBUFFER, 1);
415 if ((icon = load_surface("icon/neverball.png")))
417 SDL_WM_SetIcon(icon, NULL);
419 SDL_FreeSurface(icon);
421 #endif /* __APPLE__ */
423 /* Initialize the video. */
425 if (!config_mode(config_get_d(CONFIG_FULLSCREEN),
426 config_get_d(CONFIG_WIDTH), config_get_d(CONFIG_HEIGHT)))
428 fprintf(stderr, "%s\n", SDL_GetError());
432 SDL_WM_SetCaption(TITLE, TITLE);
434 init_state(&st_null);
436 /* Initialise demo playback. */
440 level_replay(demo_path);
442 goto_state(&st_demo_play);
445 goto_state(&st_title);
447 /* Run the main game loop. */
449 uniform = config_get_d(CONFIG_UNIFORM);
458 /* Step the game uniformly, as configured. */
462 for (u = 0; u < abs(uniform); ++u)
465 t0 += (int) (DT * 1000);
470 /* Step the game state at least up to the current time. */
475 t0 += (int) (DT * 1000);
481 st_paint(0.001f * t0);
487 if (config_get_d(CONFIG_NICE))
491 /* Gracefully close the game */
493 if (SDL_JoystickOpened(0))
494 SDL_JoystickClose(joy);
506 /*---------------------------------------------------------------------------*/