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 /*---------------------------------------------------------------------------*/
41 #define TITLE "Neverball"
43 /*---------------------------------------------------------------------------*/
45 static void shot(void)
47 static char filename[MAXSTR];
49 sprintf(filename, "screen%05d.png", config_screenshot());
50 image_snap(config_user(filename));
53 /*---------------------------------------------------------------------------*/
55 static void toggle_wire(void)
61 glPolygonMode(GL_FRONT_AND_BACK, GL_FILL);
62 glEnable(GL_TEXTURE_2D);
63 glEnable(GL_LIGHTING);
68 glPolygonMode(GL_FRONT_AND_BACK, GL_LINE);
69 glDisable(GL_TEXTURE_2D);
70 glDisable(GL_LIGHTING);
75 /*---------------------------------------------------------------------------*/
83 /* Process SDL events. */
85 while (d && SDL_PollEvent(&e))
94 -e.motion.y + config_get_d(CONFIG_HEIGHT),
96 config_get_d(CONFIG_MOUSE_INVERT)
97 ? +e.motion.yrel : -e.motion.yrel);
100 case SDL_MOUSEBUTTONDOWN:
101 d = st_click((e.button.button == SDL_BUTTON_LEFT) ? -1 : 1, 1);
104 case SDL_MOUSEBUTTONUP:
105 d = st_click((e.button.button == SDL_BUTTON_LEFT) ? -1 : 1, 0);
110 c = e.key.keysym.sym;
112 if (config_tst_d(CONFIG_KEY_FORWARD, c))
113 st_stick(config_get_d(CONFIG_JOYSTICK_AXIS_Y), -JOY_MAX);
115 else if (config_tst_d(CONFIG_KEY_BACKWARD, c))
116 st_stick(config_get_d(CONFIG_JOYSTICK_AXIS_Y), +JOY_MAX);
118 else if (config_tst_d(CONFIG_KEY_LEFT, c))
119 st_stick(config_get_d(CONFIG_JOYSTICK_AXIS_X), -JOY_MAX);
121 else if (config_tst_d(CONFIG_KEY_RIGHT, c))
122 st_stick(config_get_d(CONFIG_JOYSTICK_AXIS_X), +JOY_MAX);
126 case SDLK_F10: shot(); break;
127 case SDLK_F9: config_tgl_d(CONFIG_FPS); break;
128 case SDLK_F8: config_tgl_d(CONFIG_NICE); break;
136 d = st_buttn(config_get_d(CONFIG_JOYSTICK_BUTTON_A), 1);
139 d = st_buttn(config_get_d(CONFIG_JOYSTICK_BUTTON_EXIT), 1);
143 if (SDL_EnableUNICODE(-1))
144 d = st_keybd(e.key.keysym.unicode, 1);
146 d = st_keybd(e.key.keysym.sym, 1);
153 c = e.key.keysym.sym;
155 if (config_tst_d(CONFIG_KEY_FORWARD, c))
156 st_stick(config_get_d(CONFIG_JOYSTICK_AXIS_Y), 1);
158 else if (config_tst_d(CONFIG_KEY_BACKWARD, c))
159 st_stick(config_get_d(CONFIG_JOYSTICK_AXIS_Y), 1);
161 else if (config_tst_d(CONFIG_KEY_LEFT, c))
162 st_stick(config_get_d(CONFIG_JOYSTICK_AXIS_X), 1);
164 else if (config_tst_d(CONFIG_KEY_RIGHT, c))
165 st_stick(config_get_d(CONFIG_JOYSTICK_AXIS_X), 1);
170 d = st_buttn(config_get_d(CONFIG_JOYSTICK_BUTTON_A), 0);
173 d = st_buttn(config_get_d(CONFIG_JOYSTICK_BUTTON_EXIT), 0);
177 d = st_keybd(e.key.keysym.sym, 0);
180 case SDL_ACTIVEEVENT:
181 if (e.active.state == SDL_APPINPUTFOCUS)
182 if (e.active.gain == 0 && config_get_grab())
186 case SDL_JOYAXISMOTION:
187 st_stick(e.jaxis.axis, e.jaxis.value);
190 case SDL_JOYBUTTONDOWN:
191 d = st_buttn(e.jbutton.button, 1);
194 case SDL_JOYBUTTONUP:
195 d = st_buttn(e.jbutton.button, 0);
200 /* Process events via the tilt sensor API. */
207 st_angle((int) tilt_get_x(),
210 while (tilt_get_button(&b, &s))
212 const int X = config_get_d(CONFIG_JOYSTICK_AXIS_X);
213 const int Y = config_get_d(CONFIG_JOYSTICK_AXIS_Y);
214 const int L = config_get_d(CONFIG_JOYSTICK_DPAD_L);
215 const int R = config_get_d(CONFIG_JOYSTICK_DPAD_R);
216 const int U = config_get_d(CONFIG_JOYSTICK_DPAD_U);
217 const int D = config_get_d(CONFIG_JOYSTICK_DPAD_D);
219 if (b == L || b == R || b == U || b == D)
221 static int pad[4] = { 0, 0, 0, 0 };
223 /* Track the state of the D-pad buttons. */
225 if (b == L) pad[0] = s;
226 else if (b == R) pad[1] = s;
227 else if (b == U) pad[2] = s;
228 else if (b == D) pad[3] = s;
230 /* Convert D-pad button events into joystick axis motion. */
232 if (pad[0] && !pad[1]) st_stick(X, -JOY_MAX);
233 else if (pad[1] && !pad[0]) st_stick(X, +JOY_MAX);
236 if (pad[2] && !pad[3]) st_stick(Y, -JOY_MAX);
237 else if (pad[3] && !pad[2]) st_stick(Y, +JOY_MAX);
240 else d = st_buttn(b, s);
247 /*---------------------------------------------------------------------------*/
249 static char *data_path = NULL;
250 static char *demo_path = NULL;
252 static unsigned int display_info = 0;
253 static unsigned int replay_demo = 0;
257 "Usage: %s [options ...]\n" \
259 " -h, --help show this usage message.\n" \
260 " -v, --version show version.\n" \
261 " -d, --data <dir> use 'dir' as game data directory.\n" \
262 " -r, --replay <file> play the replay 'file'.\n" \
263 " -i, --info display info about a replay.\n" \
266 #define argument_error(option) { \
267 fprintf(stderr, L_("Option '%s' requires an argument.\n"), option); \
270 static void parse_args(int argc, char **argv)
274 /* Scan argument list. */
276 for (i = 1; i < argc; i++)
278 if (strcmp(argv[i], "-h") == 0 || strcmp(argv[i], "--help") == 0)
280 printf(usage, argv[0]);
284 if (strcmp(argv[i], "-v") == 0 || strcmp(argv[i], "--version") == 0)
286 printf("%s\n", VERSION);
290 if (strcmp(argv[i], "-d") == 0 || strcmp(argv[i], "--data") == 0)
294 argument_error(argv[i]);
297 data_path = argv[++i];
301 if (strcmp(argv[i], "-r") == 0 || strcmp(argv[i], "--replay") == 0)
305 argument_error(argv[i]);
308 demo_path = argv[++i];
312 if (strcmp(argv[i], "-i") == 0 || strcmp(argv[i], "--info") == 0)
319 /* Resolve conflicts. */
322 replay_demo = display_info ? 0 : 1;
326 /* FIXME, I'm a required option. */
327 fputs(L_("Option '--info' requires '--replay'.\n"), stderr);
333 #undef argument_error
335 /*---------------------------------------------------------------------------*/
337 int main(int argc, char *argv[])
339 SDL_Joystick *joy = NULL;
342 lang_init("neverball", CONFIG_LOCALE);
346 parse_args(argc, argv);
348 if (!config_data_path(data_path, SET_FILE))
350 fputs(L_("Failure to establish game data directory\n"), stderr);
354 if (!config_user_path(NULL))
356 fputs(L_("Failure to establish config directory\n"), stderr);
360 /* Initialize SDL system and subsystems */
362 if (SDL_Init(SDL_INIT_VIDEO | SDL_INIT_AUDIO | SDL_INIT_JOYSTICK) == -1)
364 fprintf(stderr, "%s\n", SDL_GetError());
368 /* Intitialize the configuration */
373 /* Dump replay information and exit. */
377 if (!progress_replay(demo_path))
379 fprintf(stderr, L_("Replay file '%s': %s\n"), demo_path,
380 errno ? strerror(errno) : L_("Not a replay file"));
383 demo_replay_dump_info();
387 /* Initialize the joystick. */
389 if (SDL_NumJoysticks() > 0)
391 joy = SDL_JoystickOpen(config_get_d(CONFIG_JOYSTICK_DEVICE));
393 SDL_JoystickEventState(SDL_ENABLE);
396 /* Initialize the audio. */
401 /* Require 16-bit double buffer with 16-bit depth buffer. */
403 SDL_GL_SetAttribute(SDL_GL_RED_SIZE, 5);
404 SDL_GL_SetAttribute(SDL_GL_GREEN_SIZE, 5);
405 SDL_GL_SetAttribute(SDL_GL_BLUE_SIZE, 5);
406 SDL_GL_SetAttribute(SDL_GL_DEPTH_SIZE, 16);
407 SDL_GL_SetAttribute(SDL_GL_DOUBLEBUFFER, 1);
409 /* This has to happen before mode setting... */
411 set_SDL_icon("icon/neverball.png");
413 /* Initialize the video. */
415 if (!config_mode(config_get_d(CONFIG_FULLSCREEN),
416 config_get_d(CONFIG_WIDTH), config_get_d(CONFIG_HEIGHT)))
418 fprintf(stderr, "%s\n", SDL_GetError());
422 /* ...and this has to happen after it. */
424 set_EWMH_icon("icon/neverball.png");
426 SDL_WM_SetCaption(TITLE, TITLE);
428 init_state(&st_null);
430 /* Initialise demo playback. */
432 if (replay_demo && progress_replay(demo_path))
435 goto_state(&st_demo_play);
438 goto_state(&st_title);
440 /* Run the main game loop. */
442 uniform = config_get_d(CONFIG_UNIFORM);
451 /* Step the game uniformly, as configured. */
455 for (u = 0; u < abs(uniform); ++u)
458 t0 += (int) (DT * 1000);
463 /* Step the game state at least up to the current time. */
468 t0 += (int) (DT * 1000);
474 st_paint(0.001f * t0);
480 if (config_get_d(CONFIG_NICE))
484 /* Gracefully close the game */
486 if (SDL_JoystickOpened(0))
487 SDL_JoystickClose(joy);
499 /*---------------------------------------------------------------------------*/