dungeon_crawler

annotate prototype/src/main.cc @ 39:060a44040577

find changesets by author, revision, files, or words in the commit message
forgot to set it up so cleanup is called on exit
author John Tsiombikas <nuclear@member.fsf.org>
date Thu, 30 Aug 2012 01:15:23 +0300
parents 862461b686f4
children acfe0c0110fc
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@1 6 #include "level.h"
nuclear@1 7 #include "camera.h"
nuclear@5 8 #include "datapath.h"
nuclear@5 9 #include "tileset.h"
nuclear@15 10 #include "renderer.h"
nuclear@24 11 #include "cmdcon.h"
nuclear@18 12 #include "cfg.h"
nuclear@38 13 #include "timer.h"
nuclear@1 14
nuclear@17 15 bool init(int xsz, int ysz);
nuclear@5 16 void cleanup();
nuclear@7 17 void idle();
nuclear@1 18 void disp();
nuclear@15 19 void draw();
nuclear@18 20 void view_matrix(int eye);
nuclear@18 21 void proj_matrix(int eye);
nuclear@7 22 void update(unsigned long msec);
nuclear@1 23 void reshape(int x, int y);
nuclear@1 24 void keyb(unsigned char key, int x, int y);
nuclear@7 25 void key_release(unsigned char key, int x, int y);
nuclear@24 26 void keyb_con(unsigned char key, int x, int y);
nuclear@1 27 void mouse(int bn, int state, int x, int y);
nuclear@1 28 void motion(int x, int y);
nuclear@1 29
nuclear@5 30 static TileSet *tileset;
nuclear@1 31 static Level *level;
nuclear@7 32
nuclear@7 33 static FpsCamera cam;
nuclear@7 34 static bool keystate[256];
nuclear@1 35
nuclear@18 36 static float stereo_focus_dist = 0.25;
nuclear@18 37 static float stereo_eye_sep = stereo_focus_dist / 30.0;
nuclear@18 38
nuclear@24 39 static bool show_con;
nuclear@5 40
nuclear@1 41 int main(int argc, char **argv)
nuclear@1 42 {
nuclear@1 43 glutInit(&argc, argv);
nuclear@5 44
nuclear@18 45 if(!cfg.parse_args(argc, argv)) {
nuclear@18 46 return 1;
nuclear@5 47 }
nuclear@5 48
nuclear@18 49 glutInitWindowSize(cfg.width, cfg.height);
nuclear@18 50 glutInitDisplayMode(GLUT_RGB | GLUT_DEPTH | GLUT_DOUBLE | (cfg.stereo ? GLUT_STEREO : 0));
nuclear@18 51 glutCreateWindow("dungeon crawler prototype");
nuclear@1 52
nuclear@7 53 glutIdleFunc(idle);
nuclear@1 54 glutDisplayFunc(disp);
nuclear@1 55 glutReshapeFunc(reshape);
nuclear@1 56 glutKeyboardFunc(keyb);
nuclear@7 57 glutKeyboardUpFunc(key_release);
nuclear@1 58 glutMouseFunc(mouse);
nuclear@1 59 glutMotionFunc(motion);
nuclear@1 60
nuclear@1 61 glewInit();
nuclear@1 62
nuclear@18 63 if(!init(cfg.width, cfg.height)) {
nuclear@5 64 return 1;
nuclear@5 65 }
nuclear@39 66 atexit(cleanup);
nuclear@5 67
nuclear@5 68 glutMainLoop();
nuclear@5 69 }
nuclear@5 70
nuclear@17 71 bool init(int xsz, int ysz)
nuclear@5 72 {
nuclear@1 73 glEnable(GL_LIGHTING);
nuclear@1 74 glEnable(GL_LIGHT0);
nuclear@1 75 float ldir[] = {-1, 1, 2, 0};
nuclear@1 76 glLightfv(GL_LIGHT0, GL_POSITION, ldir);
nuclear@1 77 glEnable(GL_NORMALIZE);
nuclear@1 78
nuclear@1 79 glEnable(GL_DEPTH_TEST);
nuclear@1 80 glEnable(GL_CULL_FACE);
nuclear@1 81 glEnable(GL_MULTISAMPLE);
nuclear@1 82
nuclear@25 83 add_data_path(".");
nuclear@5 84 add_data_path("data");
nuclear@16 85 add_data_path("sdr");
nuclear@5 86
nuclear@17 87 if(!init_renderer(xsz, ysz)) {
nuclear@15 88 return false;
nuclear@15 89 }
nuclear@15 90
nuclear@26 91 if(!init_cmdcon()) {
nuclear@26 92 return false;
nuclear@26 93 }
nuclear@26 94
nuclear@5 95 // load a tileset
nuclear@5 96 tileset = new TileSet;
nuclear@18 97 printf("loading tileset: %s\n", cfg.tileset_file);
nuclear@18 98 if(!tileset->load(datafile_path(cfg.tileset_file))) {
nuclear@5 99 return false;
nuclear@5 100 }
nuclear@5 101 set_active_tileset(tileset);
nuclear@5 102
nuclear@1 103 level = new Level;
nuclear@18 104 printf("loading level: %s\n", cfg.level_file);
nuclear@18 105 if(!level->load(datafile_path(cfg.level_file))) {
nuclear@5 106 return false;
nuclear@1 107 }
nuclear@1 108
nuclear@7 109 cam.input_move(0, 0.5, 0);
nuclear@7 110
nuclear@5 111 return true;
nuclear@1 112 }
nuclear@1 113
nuclear@15 114 void cleanup()
nuclear@15 115 {
nuclear@15 116 delete level;
nuclear@15 117 delete tileset;
nuclear@15 118
nuclear@15 119 destroy_renderer();
nuclear@26 120
nuclear@26 121 cleanup_cmdcon();
nuclear@15 122 }
nuclear@15 123
nuclear@7 124 void idle()
nuclear@7 125 {
nuclear@7 126 glutPostRedisplay();
nuclear@7 127 }
nuclear@7 128
nuclear@1 129 void disp()
nuclear@1 130 {
nuclear@38 131 update(get_time_msec());
nuclear@7 132
nuclear@18 133 if(cfg.stereo) {
nuclear@18 134 glDrawBuffer(GL_BACK_LEFT);
nuclear@1 135
nuclear@18 136 glMatrixMode(GL_PROJECTION);
nuclear@18 137 glLoadIdentity();
nuclear@18 138 proj_matrix(-1);
nuclear@18 139 glMatrixMode(GL_MODELVIEW);
nuclear@18 140 glLoadIdentity();
nuclear@18 141 view_matrix(-1);
nuclear@1 142
nuclear@24 143 draw();
nuclear@18 144
nuclear@18 145 glDrawBuffer(GL_BACK_RIGHT);
nuclear@18 146
nuclear@18 147 glMatrixMode(GL_PROJECTION);
nuclear@18 148 glLoadIdentity();
nuclear@18 149 proj_matrix(1);
nuclear@18 150 glMatrixMode(GL_MODELVIEW);
nuclear@18 151 glLoadIdentity();
nuclear@18 152 view_matrix(1);
nuclear@18 153
nuclear@24 154 draw();
nuclear@18 155 } else {
nuclear@18 156 glMatrixMode(GL_PROJECTION);
nuclear@18 157 glLoadIdentity();
nuclear@18 158 proj_matrix(0);
nuclear@18 159 glMatrixMode(GL_MODELVIEW);
nuclear@18 160 glLoadIdentity();
nuclear@18 161 view_matrix(0);
nuclear@18 162
nuclear@24 163 draw();
nuclear@18 164 }
nuclear@1 165
nuclear@1 166 glutSwapBuffers();
nuclear@1 167 assert(glGetError() == GL_NO_ERROR);
nuclear@7 168
nuclear@7 169 usleep(10000);
nuclear@7 170 }
nuclear@7 171
nuclear@24 172 void draw()
nuclear@24 173 {
nuclear@29 174 glClear(GL_COLOR_BUFFER_BIT);
nuclear@29 175
nuclear@29 176 render_deferred(level);
nuclear@24 177
nuclear@24 178 if(show_con) {
nuclear@24 179 draw_cmdcon();
nuclear@24 180 }
nuclear@24 181 }
nuclear@24 182
nuclear@18 183 void view_matrix(int eye)
nuclear@18 184 {
nuclear@18 185 float offs = stereo_eye_sep * eye * 0.5;
nuclear@18 186 glTranslatef(-offs, 0, 0);
nuclear@18 187 cam.use_inverse();
nuclear@18 188 }
nuclear@18 189
nuclear@18 190 void proj_matrix(int eye)
nuclear@18 191 {
nuclear@18 192 static const float fov = M_PI / 4.0;
nuclear@18 193 static const float near_clip = 0.1;
nuclear@18 194 static const float far_clip = 100.0;
nuclear@18 195
nuclear@18 196 float top = near_clip * tan(fov * 0.5);
nuclear@18 197 float right = top * (float)cfg.width / (float)cfg.height;
nuclear@18 198
nuclear@18 199 float frust_shift = -(float)eye * (stereo_eye_sep * 0.5 * near_clip / stereo_focus_dist);
nuclear@18 200 glFrustum(-right + frust_shift, right + frust_shift, -top, top, near_clip, far_clip);
nuclear@18 201 }
nuclear@18 202
nuclear@18 203
nuclear@7 204 void update(unsigned long msec)
nuclear@7 205 {
nuclear@7 206 static unsigned long last_upd;
nuclear@7 207
nuclear@7 208 if(last_upd == 0) {
nuclear@7 209 last_upd = msec;
nuclear@7 210 }
nuclear@7 211 float dt = (float)(msec - last_upd) / 1000.0;
nuclear@7 212
nuclear@9 213 float offs = 2.5 * dt;
nuclear@7 214 float dx = 0, dy = 0;
nuclear@7 215
nuclear@7 216 // handle key input
nuclear@7 217 if(keystate['w'] || keystate['W']) {
nuclear@7 218 dy -= offs;
nuclear@7 219 }
nuclear@7 220 if(keystate['s'] || keystate['S']) {
nuclear@7 221 dy += offs;
nuclear@7 222 }
nuclear@7 223 if(keystate['d'] || keystate['D']) {
nuclear@7 224 dx += offs;
nuclear@7 225 }
nuclear@7 226 if(keystate['a'] || keystate['A']) {
nuclear@7 227 dx -= offs;
nuclear@7 228 }
nuclear@7 229
nuclear@7 230 cam.input_move(dx, 0, dy);
nuclear@7 231
nuclear@38 232 level->update(msec, dt);
nuclear@38 233
nuclear@7 234 last_upd = msec;
nuclear@1 235 }
nuclear@1 236
nuclear@1 237 void reshape(int x, int y)
nuclear@1 238 {
nuclear@1 239 glViewport(0, 0, x, y);
nuclear@18 240 cfg.width = x;
nuclear@18 241 cfg.height = y;
nuclear@30 242
nuclear@30 243 resize_renderer(x, y);
nuclear@1 244 }
nuclear@1 245
nuclear@18 246 static bool stereo_shift_pressed;
nuclear@18 247
nuclear@1 248 void keyb(unsigned char key, int x, int y)
nuclear@1 249 {
nuclear@1 250 switch(key) {
nuclear@1 251 case 27:
nuclear@1 252 exit(0);
nuclear@18 253
nuclear@24 254 case '`':
nuclear@24 255 show_con = true;
nuclear@24 256 glutKeyboardFunc(keyb_con);
nuclear@24 257 glutKeyboardUpFunc(0);
nuclear@24 258 glutPostRedisplay();
nuclear@24 259 break;
nuclear@24 260
nuclear@18 261 case 'z':
nuclear@18 262 stereo_shift_pressed = true;
nuclear@18 263 break;
nuclear@18 264
nuclear@18 265 case '\n':
nuclear@18 266 case '\r':
nuclear@18 267 {
nuclear@18 268 static bool fullscr;
nuclear@18 269 if(glutGetModifiers() & GLUT_ACTIVE_ALT) {
nuclear@18 270 fullscr = !fullscr;
nuclear@18 271 if(fullscr) {
nuclear@18 272 glutFullScreen();
nuclear@18 273 } else {
nuclear@18 274 glutPositionWindow(20, 20);
nuclear@18 275 }
nuclear@18 276 }
nuclear@18 277 }
nuclear@18 278 break;
nuclear@18 279
nuclear@18 280 default:
nuclear@18 281 break;
nuclear@1 282 }
nuclear@7 283
nuclear@7 284 keystate[key] = true;
nuclear@7 285 }
nuclear@7 286
nuclear@7 287 void key_release(unsigned char key, int x, int y)
nuclear@7 288 {
nuclear@18 289 switch(key) {
nuclear@18 290 case 'z':
nuclear@18 291 stereo_shift_pressed = false;
nuclear@18 292 break;
nuclear@18 293
nuclear@18 294 default:
nuclear@18 295 break;
nuclear@18 296 }
nuclear@18 297
nuclear@7 298 keystate[key] = false;
nuclear@1 299 }
nuclear@1 300
nuclear@24 301 void keyb_con(unsigned char key, int x, int y)
nuclear@24 302 {
nuclear@24 303 if(key == '`' || key == 27) {
nuclear@24 304 show_con = false;
nuclear@24 305 glutKeyboardFunc(keyb);
nuclear@24 306 glutKeyboardUpFunc(key_release);
nuclear@24 307 glutPostRedisplay();
nuclear@24 308 } else {
nuclear@24 309 cmdcon_keypress(key);
nuclear@24 310 }
nuclear@24 311 }
nuclear@24 312
nuclear@1 313 static int prev_x, prev_y;
nuclear@1 314 static bool bnstate[32];
nuclear@1 315
nuclear@1 316 void mouse(int bn, int state, int x, int y)
nuclear@1 317 {
nuclear@1 318 prev_x = x;
nuclear@1 319 prev_y = y;
nuclear@1 320 bnstate[bn - GLUT_LEFT_BUTTON] = state == GLUT_DOWN;
nuclear@1 321 }
nuclear@1 322
nuclear@1 323 void motion(int x, int y)
nuclear@1 324 {
nuclear@1 325 int dx = x - prev_x;
nuclear@1 326 int dy = y - prev_y;
nuclear@1 327 prev_x = x;
nuclear@1 328 prev_y = y;
nuclear@1 329
nuclear@18 330 if(stereo_shift_pressed) {
nuclear@18 331 if(dy != 0) {
nuclear@18 332 stereo_focus_dist += dy * 0.01;
nuclear@18 333 stereo_eye_sep = stereo_focus_dist / 30.0;
nuclear@18 334 printf("foc: %f, sep: %f\n", stereo_focus_dist, stereo_eye_sep);
nuclear@18 335 glutPostRedisplay();
nuclear@18 336 }
nuclear@18 337 return;
nuclear@18 338 }
nuclear@18 339
nuclear@1 340 if(bnstate[0]) {
nuclear@7 341 cam.input_rotate(dy * 0.01, dx * 0.01, 0);
nuclear@1 342 glutPostRedisplay();
nuclear@1 343 }
nuclear@1 344 if(bnstate[2]) {
nuclear@1 345 cam.input_zoom(dy * 0.1);
nuclear@1 346 glutPostRedisplay();
nuclear@1 347 }
nuclear@1 348 }