dungeon_crawler

annotate prototype/src/main.cc @ 48:aa9e28670ae2

find changesets by author, revision, files, or words in the commit message
added sound playback, more to do
author John Tsiombikas <nuclear@member.fsf.org>
date Mon, 17 Sep 2012 08:40:59 +0300
parents d52711f2b9a1
children 303743485aba
rev   line source
nuclear@1 1 #include <stdio.h>
nuclear@1 2 #include <stdlib.h>
nuclear@1 3 #include <assert.h>
nuclear@7 4 #include <unistd.h>
nuclear@1 5 #include "opengl.h"
nuclear@46 6 #include "psys/psys.h"
nuclear@1 7 #include "level.h"
nuclear@48 8 #include "texture.h"
nuclear@1 9 #include "camera.h"
nuclear@5 10 #include "datapath.h"
nuclear@5 11 #include "tileset.h"
nuclear@15 12 #include "renderer.h"
nuclear@41 13 #include "renderer_deferred.h"
nuclear@24 14 #include "cmdcon.h"
nuclear@18 15 #include "cfg.h"
nuclear@38 16 #include "timer.h"
nuclear@48 17 #include "audio/audio.h"
nuclear@48 18 #include "audio/source.h"
nuclear@1 19
nuclear@17 20 bool init(int xsz, int ysz);
nuclear@5 21 void cleanup();
nuclear@7 22 void idle();
nuclear@1 23 void disp();
nuclear@15 24 void draw();
nuclear@18 25 void view_matrix(int eye);
nuclear@18 26 void proj_matrix(int eye);
nuclear@7 27 void update(unsigned long msec);
nuclear@1 28 void reshape(int x, int y);
nuclear@1 29 void keyb(unsigned char key, int x, int y);
nuclear@7 30 void key_release(unsigned char key, int x, int y);
nuclear@24 31 void keyb_con(unsigned char key, int x, int y);
nuclear@1 32 void mouse(int bn, int state, int x, int y);
nuclear@1 33 void motion(int x, int y);
nuclear@46 34 unsigned int load_psys_tex(const char *fname, void *cls);
nuclear@1 35
nuclear@5 36 static TileSet *tileset;
nuclear@1 37 static Level *level;
nuclear@7 38
nuclear@7 39 static FpsCamera cam;
nuclear@7 40 static bool keystate[256];
nuclear@1 41
nuclear@18 42 static float stereo_focus_dist = 0.25;
nuclear@18 43 static float stereo_eye_sep = stereo_focus_dist / 30.0;
nuclear@18 44
nuclear@24 45 static bool show_con;
nuclear@5 46
nuclear@48 47 static AudioSource *move_sound;
nuclear@48 48
nuclear@1 49 int main(int argc, char **argv)
nuclear@1 50 {
nuclear@1 51 glutInit(&argc, argv);
nuclear@5 52
nuclear@18 53 if(!cfg.parse_args(argc, argv)) {
nuclear@18 54 return 1;
nuclear@5 55 }
nuclear@5 56
nuclear@18 57 glutInitWindowSize(cfg.width, cfg.height);
nuclear@18 58 glutInitDisplayMode(GLUT_RGB | GLUT_DEPTH | GLUT_DOUBLE | (cfg.stereo ? GLUT_STEREO : 0));
nuclear@18 59 glutCreateWindow("dungeon crawler prototype");
nuclear@1 60
nuclear@7 61 glutIdleFunc(idle);
nuclear@1 62 glutDisplayFunc(disp);
nuclear@1 63 glutReshapeFunc(reshape);
nuclear@1 64 glutKeyboardFunc(keyb);
nuclear@7 65 glutKeyboardUpFunc(key_release);
nuclear@1 66 glutMouseFunc(mouse);
nuclear@1 67 glutMotionFunc(motion);
nuclear@1 68
nuclear@1 69 glewInit();
nuclear@1 70
nuclear@18 71 if(!init(cfg.width, cfg.height)) {
nuclear@5 72 return 1;
nuclear@5 73 }
nuclear@39 74 atexit(cleanup);
nuclear@5 75
nuclear@5 76 glutMainLoop();
nuclear@5 77 }
nuclear@5 78
nuclear@17 79 bool init(int xsz, int ysz)
nuclear@5 80 {
nuclear@41 81 // backup light for the forward crappy renderer
nuclear@1 82 glEnable(GL_LIGHTING);
nuclear@1 83 glEnable(GL_LIGHT0);
nuclear@41 84
nuclear@41 85 float ldir[] = {0, 0, -0.5, 1};
nuclear@1 86 glLightfv(GL_LIGHT0, GL_POSITION, ldir);
nuclear@41 87 float lcol[] = {1, 1, 1, 1};
nuclear@41 88 glLightfv(GL_LIGHT0, GL_DIFFUSE, lcol);
nuclear@41 89 glLightfv(GL_LIGHT0, GL_SPECULAR, lcol);
nuclear@1 90
nuclear@1 91 glEnable(GL_DEPTH_TEST);
nuclear@1 92 glEnable(GL_CULL_FACE);
nuclear@1 93 glEnable(GL_MULTISAMPLE);
nuclear@1 94
nuclear@25 95 add_data_path(".");
nuclear@5 96 add_data_path("data");
nuclear@48 97 add_data_path("data/audio");
nuclear@16 98 add_data_path("sdr");
nuclear@5 99
nuclear@48 100 if(cfg.sound && !init_audio()) {
nuclear@48 101 fprintf(stderr, "failed to initialize audio, continuing silently\n");
nuclear@48 102 cfg.sound = false;
nuclear@48 103 }
nuclear@48 104 if(cfg.sound) {
nuclear@48 105 move_sound = new AudioSource;
nuclear@48 106 }
nuclear@48 107
nuclear@41 108 rend = new DeferredRenderer();
nuclear@42 109 if(!cfg.use_deferred || !rend->init(xsz, ysz)) {
nuclear@41 110 printf("falling back to crappy renderer...\n");
nuclear@41 111
nuclear@41 112 rend = new FwdRenderer();
nuclear@41 113 if(!rend->init(xsz, ysz)) {
nuclear@41 114 fprintf(stderr, "failed to create renderer\n");
nuclear@41 115 return false;
nuclear@41 116 }
nuclear@15 117 }
nuclear@15 118
nuclear@26 119 if(!init_cmdcon()) {
nuclear@26 120 return false;
nuclear@26 121 }
nuclear@26 122
nuclear@46 123 psys_texture_loader(load_psys_tex, 0, 0);
nuclear@46 124
nuclear@5 125 // load a tileset
nuclear@5 126 tileset = new TileSet;
nuclear@18 127 printf("loading tileset: %s\n", cfg.tileset_file);
nuclear@18 128 if(!tileset->load(datafile_path(cfg.tileset_file))) {
nuclear@5 129 return false;
nuclear@5 130 }
nuclear@5 131 set_active_tileset(tileset);
nuclear@5 132
nuclear@1 133 level = new Level;
nuclear@18 134 printf("loading level: %s\n", cfg.level_file);
nuclear@18 135 if(!level->load(datafile_path(cfg.level_file))) {
nuclear@5 136 return false;
nuclear@1 137 }
nuclear@1 138
nuclear@7 139 cam.input_move(0, 0.5, 0);
nuclear@7 140
nuclear@5 141 return true;
nuclear@1 142 }
nuclear@1 143
nuclear@15 144 void cleanup()
nuclear@15 145 {
nuclear@47 146 if(cfg.sound) {
nuclear@48 147 delete move_sound;
nuclear@47 148 destroy_audio();
nuclear@47 149 }
nuclear@47 150
nuclear@15 151 delete level;
nuclear@15 152 delete tileset;
nuclear@41 153 delete rend;
nuclear@26 154
nuclear@26 155 cleanup_cmdcon();
nuclear@15 156 }
nuclear@15 157
nuclear@7 158 void idle()
nuclear@7 159 {
nuclear@7 160 glutPostRedisplay();
nuclear@7 161 }
nuclear@7 162
nuclear@1 163 void disp()
nuclear@1 164 {
nuclear@38 165 update(get_time_msec());
nuclear@7 166
nuclear@18 167 if(cfg.stereo) {
nuclear@18 168 glDrawBuffer(GL_BACK_LEFT);
nuclear@1 169
nuclear@18 170 glMatrixMode(GL_PROJECTION);
nuclear@18 171 glLoadIdentity();
nuclear@18 172 proj_matrix(-1);
nuclear@18 173 glMatrixMode(GL_MODELVIEW);
nuclear@18 174 glLoadIdentity();
nuclear@18 175 view_matrix(-1);
nuclear@1 176
nuclear@24 177 draw();
nuclear@18 178
nuclear@18 179 glDrawBuffer(GL_BACK_RIGHT);
nuclear@18 180
nuclear@18 181 glMatrixMode(GL_PROJECTION);
nuclear@18 182 glLoadIdentity();
nuclear@18 183 proj_matrix(1);
nuclear@18 184 glMatrixMode(GL_MODELVIEW);
nuclear@18 185 glLoadIdentity();
nuclear@18 186 view_matrix(1);
nuclear@18 187
nuclear@24 188 draw();
nuclear@18 189 } else {
nuclear@18 190 glMatrixMode(GL_PROJECTION);
nuclear@18 191 glLoadIdentity();
nuclear@18 192 proj_matrix(0);
nuclear@18 193 glMatrixMode(GL_MODELVIEW);
nuclear@18 194 glLoadIdentity();
nuclear@18 195 view_matrix(0);
nuclear@18 196
nuclear@24 197 draw();
nuclear@18 198 }
nuclear@1 199
nuclear@1 200 glutSwapBuffers();
nuclear@1 201 assert(glGetError() == GL_NO_ERROR);
nuclear@7 202 }
nuclear@7 203
nuclear@24 204 void draw()
nuclear@24 205 {
nuclear@41 206 glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
nuclear@29 207
nuclear@41 208 rend->render(level);
nuclear@24 209
nuclear@24 210 if(show_con) {
nuclear@24 211 draw_cmdcon();
nuclear@24 212 }
nuclear@24 213 }
nuclear@24 214
nuclear@18 215 void view_matrix(int eye)
nuclear@18 216 {
nuclear@18 217 float offs = stereo_eye_sep * eye * 0.5;
nuclear@18 218 glTranslatef(-offs, 0, 0);
nuclear@18 219 cam.use_inverse();
nuclear@18 220 }
nuclear@18 221
nuclear@18 222 void proj_matrix(int eye)
nuclear@18 223 {
nuclear@18 224 static const float fov = M_PI / 4.0;
nuclear@18 225 static const float near_clip = 0.1;
nuclear@18 226 static const float far_clip = 100.0;
nuclear@18 227
nuclear@18 228 float top = near_clip * tan(fov * 0.5);
nuclear@18 229 float right = top * (float)cfg.width / (float)cfg.height;
nuclear@18 230
nuclear@18 231 float frust_shift = -(float)eye * (stereo_eye_sep * 0.5 * near_clip / stereo_focus_dist);
nuclear@18 232 glFrustum(-right + frust_shift, right + frust_shift, -top, top, near_clip, far_clip);
nuclear@18 233 }
nuclear@18 234
nuclear@18 235
nuclear@7 236 void update(unsigned long msec)
nuclear@7 237 {
nuclear@7 238 static unsigned long last_upd;
nuclear@7 239
nuclear@7 240 if(last_upd == 0) {
nuclear@7 241 last_upd = msec;
nuclear@7 242 }
nuclear@7 243 float dt = (float)(msec - last_upd) / 1000.0;
nuclear@7 244
nuclear@9 245 float offs = 2.5 * dt;
nuclear@7 246 float dx = 0, dy = 0;
nuclear@7 247
nuclear@7 248 // handle key input
nuclear@48 249 bool did_move = false;
nuclear@7 250 if(keystate['w'] || keystate['W']) {
nuclear@7 251 dy -= offs;
nuclear@48 252 did_move = true;
nuclear@7 253 }
nuclear@7 254 if(keystate['s'] || keystate['S']) {
nuclear@7 255 dy += offs;
nuclear@48 256 did_move = true;
nuclear@7 257 }
nuclear@7 258 if(keystate['d'] || keystate['D']) {
nuclear@7 259 dx += offs;
nuclear@48 260 did_move = true;
nuclear@7 261 }
nuclear@7 262 if(keystate['a'] || keystate['A']) {
nuclear@7 263 dx -= offs;
nuclear@48 264 did_move = true;
nuclear@7 265 }
nuclear@7 266
nuclear@7 267 cam.input_move(dx, 0, dy);
nuclear@7 268
nuclear@46 269 tileset->update_tiles(msec);
nuclear@38 270 level->update(msec, dt);
nuclear@38 271
nuclear@48 272 // play the walking sound if we're walking
nuclear@48 273 int cellx, celly;
nuclear@48 274 level->get_cell_coords_at(cam.get_position(), &cellx, &celly);
nuclear@48 275
nuclear@48 276 const AudioSample *move_sample;
nuclear@48 277 if(did_move && (move_sample = level->get_sample(cellx, celly, TILE_SAMPLE_WALK))) {
nuclear@48 278 if(move_sample != move_sound->get_sample()) {
nuclear@48 279 move_sound->stop();
nuclear@48 280 move_sound->set_sample(move_sample);
nuclear@48 281 move_sound->play();
nuclear@48 282 }
nuclear@48 283 } else {
nuclear@48 284 if(move_sound->get_sample()) {
nuclear@48 285 move_sound->stop();
nuclear@48 286 move_sound->set_sample(0);
nuclear@48 287 }
nuclear@48 288 }
nuclear@48 289
nuclear@7 290 last_upd = msec;
nuclear@1 291 }
nuclear@1 292
nuclear@1 293 void reshape(int x, int y)
nuclear@1 294 {
nuclear@1 295 glViewport(0, 0, x, y);
nuclear@18 296 cfg.width = x;
nuclear@18 297 cfg.height = y;
nuclear@30 298
nuclear@41 299 rend->resize(x, y);
nuclear@1 300 }
nuclear@1 301
nuclear@18 302 static bool stereo_shift_pressed;
nuclear@18 303
nuclear@1 304 void keyb(unsigned char key, int x, int y)
nuclear@1 305 {
nuclear@1 306 switch(key) {
nuclear@1 307 case 27:
nuclear@1 308 exit(0);
nuclear@18 309
nuclear@24 310 case '`':
nuclear@24 311 show_con = true;
nuclear@24 312 glutKeyboardFunc(keyb_con);
nuclear@24 313 glutKeyboardUpFunc(0);
nuclear@24 314 glutPostRedisplay();
nuclear@24 315 break;
nuclear@24 316
nuclear@18 317 case 'z':
nuclear@18 318 stereo_shift_pressed = true;
nuclear@18 319 break;
nuclear@18 320
nuclear@48 321 case 'p':
nuclear@48 322 {
nuclear@48 323 Vector3 pos = cam.get_position();
nuclear@48 324 int cell_x, cell_y;
nuclear@48 325 level->get_cell_coords_at(pos, &cell_x, &cell_y);
nuclear@48 326 printf("Current position: [%.2f %.2f %.2f] cell: [%d %d]\n", pos.x, pos.y, pos.z,
nuclear@48 327 cell_x, cell_y);
nuclear@48 328 }
nuclear@48 329 break;
nuclear@48 330
nuclear@48 331 case 'P':
nuclear@48 332 {
nuclear@48 333 Vector3 pos = cam.get_position();
nuclear@48 334 int cell_x, cell_y;
nuclear@48 335 level->get_cell_coords_at(pos, &cell_x, &cell_y);
nuclear@48 336 AudioSample *sample = level->get_sample(cell_x, cell_y, TILE_SAMPLE_WALK);
nuclear@48 337 printf("walk sample: %p\n", (void*)sample);
nuclear@48 338 }
nuclear@48 339 break;
nuclear@48 340
nuclear@48 341
nuclear@18 342 case '\n':
nuclear@18 343 case '\r':
nuclear@18 344 {
nuclear@18 345 static bool fullscr;
nuclear@18 346 if(glutGetModifiers() & GLUT_ACTIVE_ALT) {
nuclear@18 347 fullscr = !fullscr;
nuclear@18 348 if(fullscr) {
nuclear@18 349 glutFullScreen();
nuclear@18 350 } else {
nuclear@18 351 glutPositionWindow(20, 20);
nuclear@18 352 }
nuclear@18 353 }
nuclear@18 354 }
nuclear@18 355 break;
nuclear@18 356
nuclear@18 357 default:
nuclear@18 358 break;
nuclear@1 359 }
nuclear@7 360
nuclear@7 361 keystate[key] = true;
nuclear@7 362 }
nuclear@7 363
nuclear@7 364 void key_release(unsigned char key, int x, int y)
nuclear@7 365 {
nuclear@18 366 switch(key) {
nuclear@18 367 case 'z':
nuclear@18 368 stereo_shift_pressed = false;
nuclear@18 369 break;
nuclear@18 370
nuclear@18 371 default:
nuclear@18 372 break;
nuclear@18 373 }
nuclear@18 374
nuclear@7 375 keystate[key] = false;
nuclear@1 376 }
nuclear@1 377
nuclear@24 378 void keyb_con(unsigned char key, int x, int y)
nuclear@24 379 {
nuclear@24 380 if(key == '`' || key == 27) {
nuclear@24 381 show_con = false;
nuclear@24 382 glutKeyboardFunc(keyb);
nuclear@24 383 glutKeyboardUpFunc(key_release);
nuclear@24 384 glutPostRedisplay();
nuclear@24 385 } else {
nuclear@24 386 cmdcon_keypress(key);
nuclear@24 387 }
nuclear@24 388 }
nuclear@24 389
nuclear@1 390 static int prev_x, prev_y;
nuclear@1 391 static bool bnstate[32];
nuclear@1 392
nuclear@1 393 void mouse(int bn, int state, int x, int y)
nuclear@1 394 {
nuclear@1 395 prev_x = x;
nuclear@1 396 prev_y = y;
nuclear@1 397 bnstate[bn - GLUT_LEFT_BUTTON] = state == GLUT_DOWN;
nuclear@1 398 }
nuclear@1 399
nuclear@1 400 void motion(int x, int y)
nuclear@1 401 {
nuclear@1 402 int dx = x - prev_x;
nuclear@1 403 int dy = y - prev_y;
nuclear@1 404 prev_x = x;
nuclear@1 405 prev_y = y;
nuclear@1 406
nuclear@18 407 if(stereo_shift_pressed) {
nuclear@18 408 if(dy != 0) {
nuclear@18 409 stereo_focus_dist += dy * 0.01;
nuclear@18 410 stereo_eye_sep = stereo_focus_dist / 30.0;
nuclear@18 411 printf("foc: %f, sep: %f\n", stereo_focus_dist, stereo_eye_sep);
nuclear@18 412 glutPostRedisplay();
nuclear@18 413 }
nuclear@18 414 return;
nuclear@18 415 }
nuclear@18 416
nuclear@1 417 if(bnstate[0]) {
nuclear@7 418 cam.input_rotate(dy * 0.01, dx * 0.01, 0);
nuclear@1 419 glutPostRedisplay();
nuclear@1 420 }
nuclear@1 421 if(bnstate[2]) {
nuclear@1 422 cam.input_zoom(dy * 0.1);
nuclear@1 423 glutPostRedisplay();
nuclear@1 424 }
nuclear@1 425 }
nuclear@46 426
nuclear@46 427 unsigned int load_psys_tex(const char *fname, void *cls)
nuclear@46 428 {
nuclear@46 429 TextureSet *texset = tileset->get_textures();
nuclear@48 430 return texset->get(fname);
nuclear@46 431 }