| 1 | /* |
| 2 | * Elite - The New Kind. |
| 3 | * |
| 4 | * Reverse engineered from the BBC disk version of Elite. |
| 5 | * Additional material by C.J.Pinder. |
| 6 | * |
| 7 | * The original Elite code is (C) I.Bell & D.Braben 1984. |
| 8 | * This version re-engineered in C by C.J.Pinder 1999-2001. |
| 9 | * |
| 10 | * email: <christian@newkind.co.uk> |
| 11 | * |
| 12 | * |
| 13 | */ |
| 14 | |
| 15 | /* |
| 16 | * alg_main.c |
| 17 | * |
| 18 | * Allegro version of the main game handler. |
| 19 | */ |
| 20 | |
| 21 | |
| 22 | #include <stdio.h> |
| 23 | #include <string.h> |
| 24 | #include <math.h> |
| 25 | #include <ctype.h> |
| 26 | #include <time.h> |
| 27 | #include <stdlib.h> |
| 28 | |
| 29 | #include "allegro.h" |
| 30 | |
| 31 | #include "config.h" |
| 32 | #include "gfx.h" |
| 33 | #include "main.h" |
| 34 | #include "vector.h" |
| 35 | #include "alg_data.h" |
| 36 | #include "elite.h" |
| 37 | #include "docked.h" |
| 38 | #include "intro.h" |
| 39 | #include "shipdata.h" |
| 40 | #include "shipface.h" |
| 41 | #include "space.h" |
| 42 | #include "sound.h" |
| 43 | #include "threed.h" |
| 44 | #include "swat.h" |
| 45 | #include "random.h" |
| 46 | #include "options.h" |
| 47 | #include "stars.h" |
| 48 | #include "missions.h" |
| 49 | #include "pilot.h" |
| 50 | #include "file.h" |
| 51 | #include "keyboard.h" |
| 52 | |
| 53 | |
| 54 | |
| 55 | int old_cross_x, old_cross_y; |
| 56 | int cross_timer; |
| 57 | |
| 58 | int draw_lasers; |
| 59 | int mcount; |
| 60 | int message_count; |
| 61 | char message_string[80]; |
| 62 | int rolling; |
| 63 | int climbing; |
| 64 | int game_paused; |
| 65 | int have_joystick; |
| 66 | #ifdef HACKING |
| 67 | int identify; |
| 68 | #endif |
| 69 | int scanner_zoom = 1; |
| 70 | int remap_keys; |
| 71 | |
| 72 | int find_input; |
| 73 | char find_name[20]; |
| 74 | |
| 75 | |
| 76 | |
| 77 | /* |
| 78 | * Initialise the game parameters. |
| 79 | */ |
| 80 | |
| 81 | void initialise_game(void) |
| 82 | { |
| 83 | set_rand_seed (time(NULL)); |
| 84 | current_screen = SCR_INTRO_ONE; |
| 85 | |
| 86 | restore_saved_commander(); |
| 87 | |
| 88 | flight_speed = 1; |
| 89 | flight_roll = 0; |
| 90 | flight_climb = 0; |
| 91 | docked = 1; |
| 92 | front_shield = 255; |
| 93 | aft_shield = 255; |
| 94 | energy = 255; |
| 95 | draw_lasers = 0; |
| 96 | mcount = 0; |
| 97 | hyper_ready = 0; |
| 98 | detonate_bomb = 0; |
| 99 | find_input = 0; |
| 100 | witchspace = 0; |
| 101 | game_paused = 0; |
| 102 | auto_pilot = 0; |
| 103 | |
| 104 | create_new_stars(); |
| 105 | clear_universe(); |
| 106 | |
| 107 | cross_x = -1; |
| 108 | cross_y = -1; |
| 109 | cross_timer = 0; |
| 110 | |
| 111 | |
| 112 | myship.max_speed = 40; /* 0.27 Light Mach */ |
| 113 | myship.max_roll = 31; |
| 114 | myship.max_climb = 8; /* CF 8 */ |
| 115 | myship.max_fuel = 70; /* 7.0 Light Years */ |
| 116 | } |
| 117 | |
| 118 | |
| 119 | void finish_game (void) |
| 120 | { |
| 121 | finish = 1; |
| 122 | game_over = 2; |
| 123 | } |
| 124 | |
| 125 | |
| 126 | |
| 127 | |
| 128 | |
| 129 | |
| 130 | |
| 131 | /* |
| 132 | * Move the planet chart cross hairs to specified position. |
| 133 | */ |
| 134 | |
| 135 | |
| 136 | void move_cross (int dx, int dy) |
| 137 | { |
| 138 | cross_timer = 5; |
| 139 | |
| 140 | if (kbd_ctrl_pressed) { |
| 141 | dx *= 4; |
| 142 | dy *= 4; |
| 143 | } |
| 144 | |
| 145 | if (current_screen == SCR_SHORT_RANGE) |
| 146 | { |
| 147 | cross_x += (dx * 4); |
| 148 | cross_y += (dy * 4); |
| 149 | return; |
| 150 | } |
| 151 | |
| 152 | if (current_screen == SCR_GALACTIC_CHART) |
| 153 | { |
| 154 | cross_x += (dx * 2); |
| 155 | cross_y += (dy * 2); |
| 156 | |
| 157 | if (cross_x < 1) |
| 158 | cross_x = 1; |
| 159 | |
| 160 | if (cross_x > 510) |
| 161 | cross_x = 510; |
| 162 | |
| 163 | if (cross_y < 37) |
| 164 | cross_y = 37; |
| 165 | |
| 166 | if (cross_y > 293) |
| 167 | cross_y = 293; |
| 168 | } |
| 169 | } |
| 170 | |
| 171 | |
| 172 | /* |
| 173 | * Draw the cross hairs at the specified position. |
| 174 | */ |
| 175 | |
| 176 | void draw_cross (int cx, int cy) |
| 177 | { |
| 178 | if (current_screen == SCR_SHORT_RANGE) |
| 179 | { |
| 180 | gfx_set_clip_region (1, 37, 510, 339); |
| 181 | xor_mode (TRUE); |
| 182 | gfx_draw_colour_line (cx - 16, cy, cx + 16, cy, GFX_COL_RED); |
| 183 | gfx_draw_colour_line (cx, cy - 16, cx, cy + 16, GFX_COL_RED); |
| 184 | xor_mode (FALSE); |
| 185 | gfx_set_clip_region (1, 1, 510, 383); |
| 186 | return; |
| 187 | } |
| 188 | |
| 189 | if (current_screen == SCR_GALACTIC_CHART) |
| 190 | { |
| 191 | gfx_set_clip_region (1, 37, 510, 293); |
| 192 | xor_mode (TRUE); |
| 193 | gfx_draw_colour_line (cx - 8, cy, cx + 8, cy, GFX_COL_RED); |
| 194 | gfx_draw_colour_line (cx, cy - 8, cx, cy + 8, GFX_COL_RED); |
| 195 | xor_mode (FALSE); |
| 196 | gfx_set_clip_region (1, 1, 510, 383); |
| 197 | } |
| 198 | } |
| 199 | |
| 200 | |
| 201 | |
| 202 | void draw_laser_sights(void) |
| 203 | { |
| 204 | int laser = 0; |
| 205 | int x1,y1,x2,y2; |
| 206 | |
| 207 | switch (current_screen) |
| 208 | { |
| 209 | case SCR_FRONT_VIEW: |
| 210 | gfx_display_centre_text (32, "Front View", 120, GFX_COL_WHITE); |
| 211 | laser = cmdr.front_laser; |
| 212 | break; |
| 213 | |
| 214 | case SCR_REAR_VIEW: |
| 215 | gfx_display_centre_text (32, "Rear View", 120, GFX_COL_WHITE); |
| 216 | laser = cmdr.rear_laser; |
| 217 | break; |
| 218 | |
| 219 | case SCR_LEFT_VIEW: |
| 220 | gfx_display_centre_text (32, "Left View", 120, GFX_COL_WHITE); |
| 221 | laser = cmdr.left_laser; |
| 222 | break; |
| 223 | |
| 224 | case SCR_RIGHT_VIEW: |
| 225 | gfx_display_centre_text (32, "Right View", 120, GFX_COL_WHITE); |
| 226 | laser = cmdr.right_laser; |
| 227 | break; |
| 228 | } |
| 229 | |
| 230 | |
| 231 | if (laser) |
| 232 | { |
| 233 | x1 = 128 * GFX_SCALE; |
| 234 | y1 = (96-8) * GFX_SCALE; |
| 235 | y2 = (96-16) * GFX_SCALE; |
| 236 | |
| 237 | gfx_draw_colour_line (x1-1, y1, x1-1, y2, GFX_COL_GREY_1); |
| 238 | gfx_draw_colour_line (x1, y1, x1, y2, GFX_COL_WHITE); |
| 239 | gfx_draw_colour_line (x1+1, y1, x1+1, y2, GFX_COL_GREY_1); |
| 240 | |
| 241 | y1 = (96+8) * GFX_SCALE; |
| 242 | y2 = (96+16) * GFX_SCALE; |
| 243 | |
| 244 | gfx_draw_colour_line (x1-1, y1, x1-1, y2, GFX_COL_GREY_1); |
| 245 | gfx_draw_colour_line (x1, y1, x1, y2, GFX_COL_WHITE); |
| 246 | gfx_draw_colour_line (x1+1, y1, x1+1, y2, GFX_COL_GREY_1); |
| 247 | |
| 248 | x1 = (128-8) * GFX_SCALE; |
| 249 | y1 = 96 * GFX_SCALE; |
| 250 | x2 = (128-16) * GFX_SCALE; |
| 251 | |
| 252 | gfx_draw_colour_line (x1, y1-1, x2, y1-1, GFX_COL_GREY_1); |
| 253 | gfx_draw_colour_line (x1, y1, x2, y1, GFX_COL_WHITE); |
| 254 | gfx_draw_colour_line (x1, y1+1, x2, y1+1, GFX_COL_GREY_1); |
| 255 | |
| 256 | x1 = (128+8) * GFX_SCALE; |
| 257 | x2 = (128+16) * GFX_SCALE; |
| 258 | |
| 259 | gfx_draw_colour_line (x1, y1-1, x2, y1-1, GFX_COL_GREY_1); |
| 260 | gfx_draw_colour_line (x1, y1, x2, y1, GFX_COL_WHITE); |
| 261 | gfx_draw_colour_line (x1, y1+1, x2, y1+1, GFX_COL_GREY_1); |
| 262 | } |
| 263 | } |
| 264 | |
| 265 | |
| 266 | static void roll_left(void) |
| 267 | { |
| 268 | if (flight_roll < 0) |
| 269 | flight_roll = 0; |
| 270 | else |
| 271 | { |
| 272 | increase_flight_roll(); |
| 273 | increase_flight_roll(); |
| 274 | rolling = 1; |
| 275 | } |
| 276 | } |
| 277 | |
| 278 | static void roll_right(void) |
| 279 | { |
| 280 | if (flight_roll > 0) |
| 281 | flight_roll = 0; |
| 282 | else |
| 283 | { |
| 284 | decrease_flight_roll(); |
| 285 | decrease_flight_roll(); |
| 286 | rolling = 1; |
| 287 | } |
| 288 | } |
| 289 | |
| 290 | static void climb(void) |
| 291 | { |
| 292 | if (flight_climb < 0) |
| 293 | flight_climb = 0; |
| 294 | else |
| 295 | { |
| 296 | increase_flight_climb(); |
| 297 | } |
| 298 | climbing = 1; |
| 299 | } |
| 300 | |
| 301 | static void dive(void) |
| 302 | { |
| 303 | if (flight_climb > 0) |
| 304 | flight_climb = 0; |
| 305 | else |
| 306 | { |
| 307 | decrease_flight_climb(); |
| 308 | } |
| 309 | climbing = 1; |
| 310 | } |
| 311 | |
| 312 | void arrow_right (void) |
| 313 | { |
| 314 | switch (current_screen) |
| 315 | { |
| 316 | case SCR_MARKET_PRICES: |
| 317 | buy_stock(); |
| 318 | break; |
| 319 | |
| 320 | case SCR_SETTINGS: |
| 321 | select_right_setting(); |
| 322 | break; |
| 323 | |
| 324 | case SCR_SHORT_RANGE: |
| 325 | case SCR_GALACTIC_CHART: |
| 326 | move_cross(1, 0); |
| 327 | break; |
| 328 | |
| 329 | case SCR_FRONT_VIEW: |
| 330 | roll_right(); |
| 331 | break; |
| 332 | case SCR_REAR_VIEW: |
| 333 | if (remap_keys) roll_left(); else roll_right(); |
| 334 | break; |
| 335 | case SCR_RIGHT_VIEW: |
| 336 | if (remap_keys) climb(); else roll_right(); |
| 337 | break; |
| 338 | case SCR_LEFT_VIEW: |
| 339 | if (remap_keys) dive(); else roll_right(); |
| 340 | break; |
| 341 | } |
| 342 | } |
| 343 | |
| 344 | |
| 345 | void arrow_left (void) |
| 346 | { |
| 347 | switch (current_screen) |
| 348 | { |
| 349 | case SCR_MARKET_PRICES: |
| 350 | sell_stock(); |
| 351 | break; |
| 352 | |
| 353 | case SCR_SETTINGS: |
| 354 | select_left_setting(); |
| 355 | break; |
| 356 | |
| 357 | case SCR_SHORT_RANGE: |
| 358 | case SCR_GALACTIC_CHART: |
| 359 | move_cross (-1, 0); |
| 360 | break; |
| 361 | |
| 362 | case SCR_FRONT_VIEW: |
| 363 | roll_left(); |
| 364 | break; |
| 365 | case SCR_REAR_VIEW: |
| 366 | if (remap_keys) roll_right(); else roll_left(); |
| 367 | break; |
| 368 | case SCR_RIGHT_VIEW: |
| 369 | if (remap_keys) dive(); else roll_left(); |
| 370 | break; |
| 371 | case SCR_LEFT_VIEW: |
| 372 | if (remap_keys) climb(); else roll_left(); |
| 373 | break; |
| 374 | } |
| 375 | } |
| 376 | |
| 377 | |
| 378 | void arrow_up (void) |
| 379 | { |
| 380 | switch (current_screen) |
| 381 | { |
| 382 | case SCR_MARKET_PRICES: |
| 383 | select_previous_stock(); |
| 384 | break; |
| 385 | |
| 386 | case SCR_EQUIP_SHIP: |
| 387 | select_previous_equip(); |
| 388 | break; |
| 389 | |
| 390 | case SCR_OPTIONS: |
| 391 | select_previous_option(); |
| 392 | break; |
| 393 | |
| 394 | case SCR_SETTINGS: |
| 395 | select_up_setting(); |
| 396 | break; |
| 397 | |
| 398 | case SCR_SHORT_RANGE: |
| 399 | case SCR_GALACTIC_CHART: |
| 400 | move_cross (0, -1); |
| 401 | break; |
| 402 | |
| 403 | case SCR_FRONT_VIEW: |
| 404 | dive(); |
| 405 | break; |
| 406 | case SCR_REAR_VIEW: |
| 407 | if (remap_keys) climb(); else dive(); |
| 408 | break; |
| 409 | case SCR_RIGHT_VIEW: |
| 410 | if (remap_keys) roll_right(); else dive(); |
| 411 | break; |
| 412 | case SCR_LEFT_VIEW: |
| 413 | if (remap_keys) roll_left(); else dive(); |
| 414 | break; |
| 415 | } |
| 416 | } |
| 417 | |
| 418 | |
| 419 | |
| 420 | void arrow_down (void) |
| 421 | { |
| 422 | switch (current_screen) |
| 423 | { |
| 424 | case SCR_MARKET_PRICES: |
| 425 | select_next_stock(); |
| 426 | break; |
| 427 | |
| 428 | case SCR_EQUIP_SHIP: |
| 429 | select_next_equip(); |
| 430 | break; |
| 431 | |
| 432 | case SCR_OPTIONS: |
| 433 | select_next_option(); |
| 434 | break; |
| 435 | |
| 436 | case SCR_SETTINGS: |
| 437 | select_down_setting(); |
| 438 | break; |
| 439 | |
| 440 | case SCR_SHORT_RANGE: |
| 441 | case SCR_GALACTIC_CHART: |
| 442 | move_cross (0, 1); |
| 443 | break; |
| 444 | |
| 445 | case SCR_FRONT_VIEW: |
| 446 | climb(); |
| 447 | break; |
| 448 | case SCR_REAR_VIEW: |
| 449 | if (remap_keys) dive(); else climb(); |
| 450 | break; |
| 451 | case SCR_RIGHT_VIEW: |
| 452 | if (remap_keys) roll_left(); else climb(); |
| 453 | break; |
| 454 | case SCR_LEFT_VIEW: |
| 455 | if (remap_keys) roll_right(); else climb(); |
| 456 | break; |
| 457 | |
| 458 | } |
| 459 | } |
| 460 | |
| 461 | |
| 462 | void return_pressed (void) |
| 463 | { |
| 464 | switch (current_screen) |
| 465 | { |
| 466 | case SCR_EQUIP_SHIP: |
| 467 | buy_equip(); |
| 468 | break; |
| 469 | |
| 470 | case SCR_OPTIONS: |
| 471 | do_option(); |
| 472 | break; |
| 473 | |
| 474 | case SCR_SETTINGS: |
| 475 | toggle_setting(); |
| 476 | break; |
| 477 | } |
| 478 | } |
| 479 | |
| 480 | |
| 481 | void y_pressed (void) |
| 482 | { |
| 483 | switch (current_screen) |
| 484 | { |
| 485 | case SCR_QUIT: |
| 486 | finish_game(); |
| 487 | break; |
| 488 | case SCR_RESTART: |
| 489 | game_over = 2; |
| 490 | break; |
| 491 | } |
| 492 | } |
| 493 | |
| 494 | |
| 495 | void n_pressed (void) |
| 496 | { |
| 497 | switch (current_screen) |
| 498 | { |
| 499 | case SCR_QUIT: |
| 500 | case SCR_RESTART: |
| 501 | if (docked) |
| 502 | display_commander_status(); |
| 503 | else |
| 504 | current_screen = SCR_FRONT_VIEW; |
| 505 | break; |
| 506 | } |
| 507 | } |
| 508 | |
| 509 | |
| 510 | void d_pressed (void) |
| 511 | { |
| 512 | switch (current_screen) |
| 513 | { |
| 514 | case SCR_GALACTIC_CHART: |
| 515 | case SCR_SHORT_RANGE: |
| 516 | show_distance_to_planet(); |
| 517 | break; |
| 518 | |
| 519 | case SCR_FRONT_VIEW: |
| 520 | case SCR_REAR_VIEW: |
| 521 | case SCR_RIGHT_VIEW: |
| 522 | case SCR_LEFT_VIEW: |
| 523 | if (auto_pilot) |
| 524 | disengage_auto_pilot(); |
| 525 | break; |
| 526 | } |
| 527 | } |
| 528 | |
| 529 | |
| 530 | void f_pressed (void) |
| 531 | { |
| 532 | if ((current_screen == SCR_GALACTIC_CHART) || |
| 533 | (current_screen == SCR_SHORT_RANGE)) |
| 534 | { |
| 535 | find_input = 1; |
| 536 | *find_name = '\0'; |
| 537 | gfx_clear_text_area(); |
| 538 | gfx_display_text (16, 340, "Planet Name?"); |
| 539 | } |
| 540 | } |
| 541 | |
| 542 | |
| 543 | void add_find_char (int letter) |
| 544 | { |
| 545 | char str[40]; |
| 546 | |
| 547 | if (strlen (find_name) == 16) |
| 548 | return; |
| 549 | |
| 550 | str[0] = toupper (letter); |
| 551 | str[1] = '\0'; |
| 552 | strcat (find_name, str); |
| 553 | |
| 554 | sprintf (str, "Planet Name? %s", find_name); |
| 555 | gfx_clear_text_area (); |
| 556 | gfx_display_text(16, 340, str); |
| 557 | } |
| 558 | |
| 559 | |
| 560 | void delete_find_char (void) |
| 561 | { |
| 562 | char str[40]; |
| 563 | int len; |
| 564 | |
| 565 | len = strlen (find_name); |
| 566 | if (len == 0) |
| 567 | return; |
| 568 | |
| 569 | find_name[len - 1] = '\0'; |
| 570 | |
| 571 | sprintf (str, "Planet Name? %s", find_name); |
| 572 | gfx_clear_text_area(); |
| 573 | gfx_display_text(16, 340, str); |
| 574 | } |
| 575 | |
| 576 | void o_pressed() |
| 577 | { |
| 578 | switch (current_screen) |
| 579 | { |
| 580 | case SCR_GALACTIC_CHART: |
| 581 | case SCR_SHORT_RANGE: |
| 582 | move_cursor_to_origin(); |
| 583 | break; |
| 584 | } |
| 585 | } |
| 586 | |
| 587 | |
| 588 | void auto_dock (void) |
| 589 | { |
| 590 | struct univ_object ship; |
| 591 | |
| 592 | ship.location.x = 0; |
| 593 | ship.location.y = 0; |
| 594 | ship.location.z = 0; |
| 595 | |
| 596 | set_init_matrix (ship.rotmat); |
| 597 | ship.rotmat[2].z = 1; |
| 598 | ship.rotmat[0].x = -1; |
| 599 | ship.type = -96; |
| 600 | ship.velocity = flight_speed; |
| 601 | ship.acceleration = 0; |
| 602 | ship.bravery = 0; |
| 603 | ship.rotz = 0; |
| 604 | ship.rotx = 0; |
| 605 | |
| 606 | auto_pilot_ship (&ship); |
| 607 | |
| 608 | if (ship.velocity > 22) |
| 609 | flight_speed = 22; |
| 610 | else |
| 611 | flight_speed = ship.velocity; |
| 612 | |
| 613 | if (ship.acceleration > 0) |
| 614 | { |
| 615 | flight_speed++; |
| 616 | if (flight_speed > 22) |
| 617 | flight_speed = 22; |
| 618 | } |
| 619 | |
| 620 | if (ship.acceleration < 0) |
| 621 | { |
| 622 | flight_speed--; |
| 623 | if (flight_speed < 1) |
| 624 | flight_speed = 1; |
| 625 | } |
| 626 | |
| 627 | if (ship.rotx == 0) |
| 628 | flight_climb = 0; |
| 629 | |
| 630 | if (ship.rotx < 0) |
| 631 | { |
| 632 | increase_flight_climb(); |
| 633 | |
| 634 | if (ship.rotx < -1) |
| 635 | increase_flight_climb(); |
| 636 | } |
| 637 | |
| 638 | if (ship.rotx > 0) |
| 639 | { |
| 640 | decrease_flight_climb(); |
| 641 | |
| 642 | if (ship.rotx > 1) |
| 643 | decrease_flight_climb(); |
| 644 | } |
| 645 | |
| 646 | if (ship.rotz == 127) |
| 647 | flight_roll = -14; |
| 648 | else |
| 649 | { |
| 650 | if (ship.rotz == 0) |
| 651 | flight_roll = 0; |
| 652 | |
| 653 | if (ship.rotz > 0) |
| 654 | { |
| 655 | increase_flight_roll(); |
| 656 | |
| 657 | if (ship.rotz > 1) |
| 658 | increase_flight_roll(); |
| 659 | } |
| 660 | |
| 661 | if (ship.rotz < 0) |
| 662 | { |
| 663 | decrease_flight_roll(); |
| 664 | |
| 665 | if (ship.rotz < -1) |
| 666 | decrease_flight_roll(); |
| 667 | } |
| 668 | } |
| 669 | } |
| 670 | |
| 671 | |
| 672 | void run_escape_sequence (void) |
| 673 | { |
| 674 | int i; |
| 675 | int newship; |
| 676 | Matrix rotmat; |
| 677 | |
| 678 | current_screen = SCR_ESCAPE_POD; |
| 679 | |
| 680 | flight_speed = 1; |
| 681 | flight_roll = 0; |
| 682 | flight_climb = 0; |
| 683 | |
| 684 | set_init_matrix (rotmat); |
| 685 | rotmat[2].z = 1.0; |
| 686 | |
| 687 | newship = add_new_ship (SHIP_COBRA3, 0, 0, 200, rotmat, -127, -127); |
| 688 | universe[newship].velocity = 7; |
| 689 | snd_play_sample (SND_LAUNCH); |
| 690 | |
| 691 | for (i = 0; i < 90; i++) |
| 692 | { |
| 693 | if (i == 40) |
| 694 | { |
| 695 | universe[newship].flags |= FLG_DEAD; |
| 696 | snd_play_sample (SND_EXPLODE); |
| 697 | } |
| 698 | |
| 699 | gfx_set_clip_region (1, 1, 510, 383); |
| 700 | gfx_clear_display(); |
| 701 | update_starfield(); |
| 702 | update_universe(); |
| 703 | |
| 704 | universe[newship].location.x = 0; |
| 705 | universe[newship].location.y = 0; |
| 706 | universe[newship].location.z += 2; |
| 707 | |
| 708 | gfx_display_centre_text (358, "Escape pod launched - Ship auto-destuct initiated.", 120, GFX_COL_WHITE); |
| 709 | |
| 710 | update_console(); |
| 711 | gfx_update_screen(); |
| 712 | } |
| 713 | |
| 714 | |
| 715 | while ((ship_count[SHIP_CORIOLIS] == 0) && |
| 716 | (ship_count[SHIP_DODEC] == 0)) |
| 717 | { |
| 718 | auto_dock(); |
| 719 | |
| 720 | if ((abs(flight_roll) < 3) && (abs(flight_climb) < 3)) |
| 721 | { |
| 722 | for (i = 0; i < MAX_UNIV_OBJECTS; i++) |
| 723 | { |
| 724 | if (universe[i].type != 0) |
| 725 | universe[i].location.z -= 1500; |
| 726 | } |
| 727 | |
| 728 | } |
| 729 | |
| 730 | warp_stars = 1; |
| 731 | gfx_set_clip_region (1, 1, 510, 383); |
| 732 | gfx_clear_display(); |
| 733 | update_starfield(); |
| 734 | update_universe(); |
| 735 | update_console(); |
| 736 | gfx_update_screen(); |
| 737 | } |
| 738 | |
| 739 | abandon_ship(); |
| 740 | } |
| 741 | |
| 742 | static int cheat_arg = 0; |
| 743 | static void check_cheat_keys(void) |
| 744 | { |
| 745 | int i; |
| 746 | |
| 747 | if (!kbd_ctrl_pressed) |
| 748 | return; |
| 749 | |
| 750 | for (i = 0; i < 10; i++) { |
| 751 | if (old_key[KEY_0 + i] == 1) { |
| 752 | cheat_arg = cheat_arg * 10 + i; |
| 753 | goto ok; |
| 754 | } |
| 755 | } |
| 756 | |
| 757 | if (old_key[KEY_C] == 1) |
| 758 | goto done; |
| 759 | |
| 760 | if (docked) |
| 761 | return; |
| 762 | |
| 763 | if (old_key[KEY_S] == 1) { |
| 764 | if (cheat_arg < NO_OF_SHIPS) { |
| 765 | int un = create_other_ship(cheat_arg); |
| 766 | if (un != -1) |
| 767 | universe[un].flags |= FLG_TARGET; |
| 768 | goto done; |
| 769 | } |
| 770 | } |
| 771 | |
| 772 | if (old_key[KEY_D] == 1) { |
| 773 | game_paused = 0; |
| 774 | snd_play_sample (SND_DOCK); |
| 775 | dock_player(); |
| 776 | current_screen = SCR_BREAK_PATTERN; |
| 777 | goto done; |
| 778 | } |
| 779 | |
| 780 | return; |
| 781 | done: |
| 782 | cheat_arg = 0; |
| 783 | ok: |
| 784 | snd_play_sample(SND_BEEP); |
| 785 | return; |
| 786 | } |
| 787 | |
| 788 | void handle_flight_keys (void) |
| 789 | { |
| 790 | int keyasc; |
| 791 | |
| 792 | if (docked && |
| 793 | ((current_screen == SCR_MARKET_PRICES) || |
| 794 | (current_screen == SCR_OPTIONS) || |
| 795 | (current_screen == SCR_SETTINGS) || |
| 796 | (current_screen == SCR_EQUIP_SHIP))) |
| 797 | kbd_read_key(); |
| 798 | |
| 799 | kbd_poll_keyboard(); |
| 800 | |
| 801 | if (have_joystick) |
| 802 | { |
| 803 | poll_joystick(); |
| 804 | |
| 805 | if (joy[0].stick[0].axis[1].d1) |
| 806 | arrow_up(); |
| 807 | |
| 808 | if (joy[0].stick[0].axis[1].d2) |
| 809 | arrow_down(); |
| 810 | |
| 811 | if (joy[0].stick[0].axis[0].d1) |
| 812 | arrow_left(); |
| 813 | |
| 814 | if (joy[0].stick[0].axis[0].d2) |
| 815 | arrow_right(); |
| 816 | |
| 817 | if (joy[0].button[0].b) |
| 818 | kbd_fire_pressed = 1; |
| 819 | |
| 820 | if (joy[0].button[1].b) |
| 821 | kbd_inc_speed_pressed = 1; |
| 822 | |
| 823 | if (joy[0].button[2].b) |
| 824 | kbd_dec_speed_pressed = 1; |
| 825 | } |
| 826 | |
| 827 | |
| 828 | if (game_paused) |
| 829 | { |
| 830 | if (kbd_resume_pressed) |
| 831 | game_paused = 0; |
| 832 | else |
| 833 | check_cheat_keys(); |
| 834 | return; |
| 835 | } |
| 836 | |
| 837 | if (kbd_F1_pressed) |
| 838 | { |
| 839 | find_input = 0; |
| 840 | |
| 841 | if (docked) |
| 842 | launch_player(); |
| 843 | else |
| 844 | { |
| 845 | if (current_screen != SCR_FRONT_VIEW) |
| 846 | { |
| 847 | current_screen = SCR_FRONT_VIEW; |
| 848 | flip_stars(); |
| 849 | } |
| 850 | } |
| 851 | } |
| 852 | |
| 853 | if (kbd_F2_pressed) |
| 854 | { |
| 855 | find_input = 0; |
| 856 | |
| 857 | if (!docked) |
| 858 | { |
| 859 | if (current_screen != SCR_REAR_VIEW) |
| 860 | { |
| 861 | current_screen = SCR_REAR_VIEW; |
| 862 | flip_stars(); |
| 863 | } |
| 864 | } |
| 865 | } |
| 866 | |
| 867 | if (kbd_F3_pressed) |
| 868 | { |
| 869 | find_input = 0; |
| 870 | |
| 871 | if (!docked) |
| 872 | { |
| 873 | if (current_screen != SCR_LEFT_VIEW) |
| 874 | { |
| 875 | current_screen = SCR_LEFT_VIEW; |
| 876 | flip_stars(); |
| 877 | } |
| 878 | } |
| 879 | } |
| 880 | |
| 881 | if (kbd_F4_pressed) |
| 882 | { |
| 883 | find_input = 0; |
| 884 | |
| 885 | if (docked) |
| 886 | equip_ship(); |
| 887 | else |
| 888 | { |
| 889 | if (current_screen != SCR_RIGHT_VIEW) |
| 890 | { |
| 891 | current_screen = SCR_RIGHT_VIEW; |
| 892 | flip_stars(); |
| 893 | } |
| 894 | } |
| 895 | } |
| 896 | |
| 897 | |
| 898 | if (kbd_F5_pressed) |
| 899 | { |
| 900 | find_input = 0; |
| 901 | old_cross_x = -1; |
| 902 | display_galactic_chart(); |
| 903 | } |
| 904 | |
| 905 | if (kbd_F6_pressed) |
| 906 | { |
| 907 | find_input = 0; |
| 908 | old_cross_x = -1; |
| 909 | display_short_range_chart(); |
| 910 | } |
| 911 | |
| 912 | if (kbd_F7_pressed) |
| 913 | { |
| 914 | find_input = 0; |
| 915 | display_data_on_planet(); |
| 916 | } |
| 917 | |
| 918 | if (kbd_F8_pressed && (!witchspace)) |
| 919 | { |
| 920 | find_input = 0; |
| 921 | display_market_prices(); |
| 922 | } |
| 923 | |
| 924 | if (kbd_F9_pressed) |
| 925 | { |
| 926 | find_input = 0; |
| 927 | display_commander_status(); |
| 928 | } |
| 929 | |
| 930 | if (kbd_F10_pressed) |
| 931 | { |
| 932 | find_input = 0; |
| 933 | display_inventory(); |
| 934 | } |
| 935 | |
| 936 | if (kbd_F11_pressed) |
| 937 | { |
| 938 | find_input = 0; |
| 939 | display_options(); |
| 940 | } |
| 941 | |
| 942 | if (find_input) |
| 943 | { |
| 944 | keyasc = kbd_read_key(); |
| 945 | |
| 946 | if (kbd_enter_pressed) |
| 947 | { |
| 948 | find_input = 0; |
| 949 | find_planet_by_name (find_name); |
| 950 | return; |
| 951 | } |
| 952 | |
| 953 | if (kbd_backspace_pressed) |
| 954 | { |
| 955 | delete_find_char(); |
| 956 | return; |
| 957 | } |
| 958 | |
| 959 | if (isalpha(keyasc)) |
| 960 | add_find_char (keyasc); |
| 961 | |
| 962 | return; |
| 963 | } |
| 964 | |
| 965 | if (kbd_y_pressed) |
| 966 | y_pressed(); |
| 967 | |
| 968 | if (kbd_n_pressed) |
| 969 | n_pressed(); |
| 970 | |
| 971 | #ifdef HACKING |
| 972 | if (kbd_i_pressed == 1) |
| 973 | identify = !identify; |
| 974 | #endif |
| 975 | if (kbd_zoom_pressed == 1) |
| 976 | scanner_zoom ^= 3; |
| 977 | |
| 978 | if (kbd_fire_pressed) |
| 979 | { |
| 980 | if ((!docked) && (draw_lasers == 0)) |
| 981 | draw_lasers = fire_laser(); |
| 982 | } |
| 983 | |
| 984 | if (kbd_dock_pressed) |
| 985 | { |
| 986 | if (!docked && cmdr.docking_computer) |
| 987 | { |
| 988 | if ((universe[1].type == SHIP_CORIOLIS || |
| 989 | universe[1].type == SHIP_DODEC) && |
| 990 | (universe[1].flags & FLG_ANGRY)) |
| 991 | info_message("Docking permission refused"); |
| 992 | else if (instant_dock) |
| 993 | engage_docking_computer(); |
| 994 | else |
| 995 | engage_auto_pilot(); |
| 996 | } |
| 997 | } |
| 998 | |
| 999 | if (kbd_d_pressed) |
| 1000 | d_pressed(); |
| 1001 | |
| 1002 | if (kbd_ecm_pressed) |
| 1003 | { |
| 1004 | if (!docked && cmdr.ecm) |
| 1005 | activate_ecm(1); |
| 1006 | } |
| 1007 | |
| 1008 | if (kbd_find_pressed) |
| 1009 | f_pressed (); |
| 1010 | |
| 1011 | if (kbd_hyperspace_pressed && (!docked)) |
| 1012 | { |
| 1013 | if (kbd_ctrl_pressed) |
| 1014 | start_galactic_hyperspace(); |
| 1015 | else |
| 1016 | start_hyperspace(); |
| 1017 | } |
| 1018 | |
| 1019 | if (kbd_jump_pressed && (!docked) && (!witchspace)) |
| 1020 | { |
| 1021 | jump_warp(); |
| 1022 | } |
| 1023 | |
| 1024 | if (kbd_fire_missile_pressed) |
| 1025 | { |
| 1026 | if (!docked) |
| 1027 | fire_missile(); |
| 1028 | } |
| 1029 | |
| 1030 | if (kbd_origin_pressed) |
| 1031 | o_pressed(); |
| 1032 | |
| 1033 | if (kbd_pause_pressed) { |
| 1034 | cheat_arg = 0; |
| 1035 | game_paused = 1; |
| 1036 | } |
| 1037 | |
| 1038 | if (kbd_target_missile_pressed) |
| 1039 | { |
| 1040 | if (!docked) |
| 1041 | arm_missile(); |
| 1042 | } |
| 1043 | |
| 1044 | if (kbd_unarm_missile_pressed) |
| 1045 | { |
| 1046 | if (!docked) |
| 1047 | unarm_missile(); |
| 1048 | } |
| 1049 | |
| 1050 | if (kbd_inc_speed_pressed) |
| 1051 | { |
| 1052 | if (!docked) |
| 1053 | { |
| 1054 | if (flight_speed < myship.max_speed) |
| 1055 | flight_speed++; |
| 1056 | } |
| 1057 | } |
| 1058 | |
| 1059 | if (kbd_dec_speed_pressed) |
| 1060 | { |
| 1061 | if (!docked) |
| 1062 | { |
| 1063 | if (flight_speed > 1) |
| 1064 | flight_speed--; |
| 1065 | } |
| 1066 | } |
| 1067 | |
| 1068 | if (kbd_up_pressed) |
| 1069 | arrow_up(); |
| 1070 | |
| 1071 | if (kbd_down_pressed) |
| 1072 | arrow_down(); |
| 1073 | |
| 1074 | if (kbd_left_pressed) |
| 1075 | arrow_left(); |
| 1076 | |
| 1077 | if (kbd_right_pressed) |
| 1078 | arrow_right(); |
| 1079 | |
| 1080 | if (kbd_enter_pressed) |
| 1081 | return_pressed(); |
| 1082 | |
| 1083 | if (kbd_energy_bomb_pressed && kbd_ctrl_pressed) |
| 1084 | { |
| 1085 | if ((!docked) && (cmdr.energy_bomb)) |
| 1086 | { |
| 1087 | detonate_bomb = 1; |
| 1088 | cmdr.energy_bomb = 0; |
| 1089 | } |
| 1090 | } |
| 1091 | |
| 1092 | if (kbd_escape_pressed && kbd_ctrl_pressed) |
| 1093 | { |
| 1094 | if ((!docked) && (cmdr.escape_pod) && (!witchspace)) |
| 1095 | run_escape_sequence(); |
| 1096 | } |
| 1097 | } |
| 1098 | |
| 1099 | |
| 1100 | |
| 1101 | void set_commander_name (char *path) |
| 1102 | { |
| 1103 | char *fname, *cname; |
| 1104 | int i; |
| 1105 | |
| 1106 | fname = get_filename (path); |
| 1107 | cname = cmdr.name; |
| 1108 | |
| 1109 | for (i = 0; i < 31; i++) |
| 1110 | { |
| 1111 | if (!isalnum(*fname)) |
| 1112 | break; |
| 1113 | |
| 1114 | *cname++ = toupper(*fname++); |
| 1115 | } |
| 1116 | |
| 1117 | *cname = '\0'; |
| 1118 | } |
| 1119 | |
| 1120 | |
| 1121 | void save_commander_screen (void) |
| 1122 | { |
| 1123 | char path[255]; |
| 1124 | int okay; |
| 1125 | int rv; |
| 1126 | |
| 1127 | current_screen = SCR_SAVE_CMDR; |
| 1128 | |
| 1129 | gfx_clear_display(); |
| 1130 | gfx_display_centre_text (10, "SAVE COMMANDER", 140, GFX_COL_GOLD); |
| 1131 | gfx_draw_line (0, 36, 511, 36); |
| 1132 | gfx_update_screen(); |
| 1133 | |
| 1134 | strcpy (path, cmdr.name); |
| 1135 | strcat (path, ".nkc"); |
| 1136 | |
| 1137 | okay = gfx_request_file ("Save Commander", path, "nkc"); |
| 1138 | |
| 1139 | if (!okay) |
| 1140 | { |
| 1141 | display_options(); |
| 1142 | return; |
| 1143 | } |
| 1144 | |
| 1145 | rv = save_commander_file (path); |
| 1146 | |
| 1147 | if (rv) |
| 1148 | { |
| 1149 | gfx_display_centre_text (175, "Error Saving Commander!", 140, GFX_COL_GOLD); |
| 1150 | return; |
| 1151 | } |
| 1152 | |
| 1153 | gfx_display_centre_text (175, "Commander Saved.", 140, GFX_COL_GOLD); |
| 1154 | |
| 1155 | set_commander_name (path); |
| 1156 | saved_cmdr = cmdr; |
| 1157 | saved_cmdr.ship_x = docked_planet.d; |
| 1158 | saved_cmdr.ship_y = docked_planet.b; |
| 1159 | } |
| 1160 | |
| 1161 | |
| 1162 | void load_commander_screen (void) |
| 1163 | { |
| 1164 | char path[255]; |
| 1165 | int rv; |
| 1166 | |
| 1167 | gfx_clear_display(); |
| 1168 | gfx_display_centre_text (10, "LOAD COMMANDER", 140, GFX_COL_GOLD); |
| 1169 | gfx_draw_line (0, 36, 511, 36); |
| 1170 | gfx_update_screen(); |
| 1171 | |
| 1172 | |
| 1173 | strcpy (path, "jameson.nkc"); |
| 1174 | |
| 1175 | rv = gfx_request_file ("Load Commander", path, "nkc"); |
| 1176 | |
| 1177 | if (rv == 0) |
| 1178 | return; |
| 1179 | |
| 1180 | rv = load_commander_file (path); |
| 1181 | |
| 1182 | if (rv) |
| 1183 | { |
| 1184 | saved_cmdr = cmdr; |
| 1185 | gfx_display_centre_text (175, "Error Loading Commander!", 140, GFX_COL_GOLD); |
| 1186 | gfx_display_centre_text (200, "Press any key to continue.", 140, GFX_COL_GOLD); |
| 1187 | gfx_update_screen(); |
| 1188 | readkey(); |
| 1189 | return; |
| 1190 | } |
| 1191 | |
| 1192 | restore_saved_commander(); |
| 1193 | set_commander_name (path); |
| 1194 | saved_cmdr = cmdr; |
| 1195 | update_console(); |
| 1196 | } |
| 1197 | |
| 1198 | |
| 1199 | |
| 1200 | void run_first_intro_screen (void) |
| 1201 | { |
| 1202 | current_screen = SCR_INTRO_ONE; |
| 1203 | |
| 1204 | snd_play_midi (SND_ELITE_THEME, TRUE); |
| 1205 | |
| 1206 | initialise_intro1(); |
| 1207 | #ifdef HACKING |
| 1208 | identify = 0; |
| 1209 | #endif |
| 1210 | |
| 1211 | for (;;) |
| 1212 | { |
| 1213 | update_intro1(); |
| 1214 | |
| 1215 | gfx_update_screen(); |
| 1216 | |
| 1217 | kbd_poll_keyboard(); |
| 1218 | |
| 1219 | if (kbd_y_pressed) |
| 1220 | { |
| 1221 | snd_stop_midi(); |
| 1222 | load_commander_screen(); |
| 1223 | break; |
| 1224 | } |
| 1225 | |
| 1226 | if (kbd_n_pressed) |
| 1227 | { |
| 1228 | snd_stop_midi(); |
| 1229 | break; |
| 1230 | } |
| 1231 | } |
| 1232 | |
| 1233 | } |
| 1234 | |
| 1235 | |
| 1236 | |
| 1237 | void run_second_intro_screen (void) |
| 1238 | { |
| 1239 | current_screen = SCR_INTRO_TWO; |
| 1240 | |
| 1241 | snd_play_midi (SND_BLUE_DANUBE, TRUE); |
| 1242 | |
| 1243 | #ifdef HACKING |
| 1244 | identify = 0; |
| 1245 | #endif |
| 1246 | initialise_intro2(); |
| 1247 | |
| 1248 | flight_speed = 3; |
| 1249 | flight_roll = 0; |
| 1250 | flight_climb = 0; |
| 1251 | |
| 1252 | for (;;) |
| 1253 | { |
| 1254 | update_intro2(); |
| 1255 | |
| 1256 | gfx_update_screen(); |
| 1257 | |
| 1258 | kbd_poll_keyboard(); |
| 1259 | |
| 1260 | if (kbd_space_pressed) |
| 1261 | break; |
| 1262 | } |
| 1263 | |
| 1264 | snd_stop_midi(); |
| 1265 | } |
| 1266 | |
| 1267 | |
| 1268 | |
| 1269 | /* |
| 1270 | * Draw the game over sequence. |
| 1271 | */ |
| 1272 | |
| 1273 | void run_game_over_screen() |
| 1274 | { |
| 1275 | int i; |
| 1276 | int newship; |
| 1277 | Matrix rotmat; |
| 1278 | int type; |
| 1279 | |
| 1280 | current_screen = SCR_GAME_OVER; |
| 1281 | gfx_set_clip_region (1, 1, 510, 383); |
| 1282 | |
| 1283 | flight_speed = 6; |
| 1284 | flight_roll = 0; |
| 1285 | flight_climb = 0; |
| 1286 | #ifdef HACKING |
| 1287 | identify = 0; |
| 1288 | #endif |
| 1289 | clear_universe(); |
| 1290 | |
| 1291 | set_init_matrix (rotmat); |
| 1292 | |
| 1293 | newship = add_new_ship (SHIP_COBRA3, 0, 0, -400, rotmat, 0, 0); |
| 1294 | universe[newship].flags |= FLG_DEAD; |
| 1295 | |
| 1296 | for (i = 0; i < 5; i++) |
| 1297 | { |
| 1298 | type = (rand255() & 1) ? SHIP_CARGO : SHIP_ALLOY; |
| 1299 | newship = add_new_ship (type, (rand255() & 63) - 32, |
| 1300 | (rand255() & 63) - 32, -400, rotmat, 0, 0); |
| 1301 | universe[newship].rotz = ((rand255() * 2) & 255) - 128; |
| 1302 | universe[newship].rotx = ((rand255() * 2) & 255) - 128; |
| 1303 | universe[newship].velocity = rand255() & 15; |
| 1304 | } |
| 1305 | |
| 1306 | |
| 1307 | for (i = 0; i < 100; i++) |
| 1308 | { |
| 1309 | gfx_clear_display(); |
| 1310 | update_starfield(); |
| 1311 | update_universe(); |
| 1312 | gfx_display_centre_text (190, "GAME OVER", 140, GFX_COL_GOLD); |
| 1313 | gfx_update_screen(); |
| 1314 | } |
| 1315 | } |
| 1316 | |
| 1317 | |
| 1318 | |
| 1319 | |
| 1320 | /* |
| 1321 | * Draw a break pattern (for launching, docking and hyperspacing). |
| 1322 | * Just draw a very simple one for the moment. |
| 1323 | */ |
| 1324 | |
| 1325 | void display_break_pattern (void) |
| 1326 | { |
| 1327 | int i; |
| 1328 | |
| 1329 | gfx_set_clip_region (1, 1, 510, 383); |
| 1330 | gfx_clear_display(); |
| 1331 | |
| 1332 | for (i = 0; i < 20; i++) |
| 1333 | { |
| 1334 | gfx_draw_circle (256, 192, 30 + i * 15, GFX_COL_WHITE); |
| 1335 | gfx_update_screen(); |
| 1336 | } |
| 1337 | |
| 1338 | |
| 1339 | if (docked) |
| 1340 | { |
| 1341 | check_mission_brief(); |
| 1342 | display_commander_status(); |
| 1343 | update_console(); |
| 1344 | } |
| 1345 | else |
| 1346 | current_screen = SCR_FRONT_VIEW; |
| 1347 | } |
| 1348 | |
| 1349 | |
| 1350 | void info_message (char *message) |
| 1351 | { |
| 1352 | strcpy (message_string, message); |
| 1353 | message_count = 37; |
| 1354 | // snd_play_sample (SND_BEEP); |
| 1355 | } |
| 1356 | |
| 1357 | |
| 1358 | |
| 1359 | |
| 1360 | |
| 1361 | |
| 1362 | void initialise_allegro (void) |
| 1363 | { |
| 1364 | allegro_init(); |
| 1365 | install_keyboard(); |
| 1366 | install_timer(); |
| 1367 | install_mouse(); |
| 1368 | |
| 1369 | have_joystick = 0; |
| 1370 | |
| 1371 | if (install_joystick(JOY_TYPE_AUTODETECT) == 0) |
| 1372 | { |
| 1373 | have_joystick = (num_joysticks > 0); |
| 1374 | } |
| 1375 | } |
| 1376 | |
| 1377 | |
| 1378 | |
| 1379 | int main() |
| 1380 | { |
| 1381 | initialise_allegro(); |
| 1382 | read_config_file(); |
| 1383 | |
| 1384 | if (gfx_graphics_startup() == 1) |
| 1385 | { |
| 1386 | return 1; |
| 1387 | } |
| 1388 | |
| 1389 | /* Start the sound system... */ |
| 1390 | snd_sound_startup(); |
| 1391 | |
| 1392 | /* Do any setup necessary for the keyboard... */ |
| 1393 | kbd_keyboard_startup(); |
| 1394 | |
| 1395 | finish = 0; |
| 1396 | auto_pilot = 0; |
| 1397 | |
| 1398 | while (!finish) |
| 1399 | { |
| 1400 | game_over = 0; |
| 1401 | initialise_game(); |
| 1402 | dock_player(); |
| 1403 | |
| 1404 | update_console(); |
| 1405 | |
| 1406 | current_screen = SCR_FRONT_VIEW; |
| 1407 | run_first_intro_screen(); |
| 1408 | run_second_intro_screen(); |
| 1409 | |
| 1410 | old_cross_x = -1; |
| 1411 | old_cross_y = -1; |
| 1412 | |
| 1413 | dock_player (); |
| 1414 | display_commander_status (); |
| 1415 | |
| 1416 | while (!game_over) |
| 1417 | { |
| 1418 | snd_update_sound(); |
| 1419 | gfx_update_screen(); |
| 1420 | gfx_set_clip_region (1, 1, 510, 383); |
| 1421 | |
| 1422 | rolling = 0; |
| 1423 | climbing = 0; |
| 1424 | |
| 1425 | handle_flight_keys (); |
| 1426 | |
| 1427 | if (game_paused) |
| 1428 | continue; |
| 1429 | |
| 1430 | if (message_count > 0) |
| 1431 | message_count--; |
| 1432 | |
| 1433 | if (!rolling) |
| 1434 | { |
| 1435 | if (flight_roll > 0) |
| 1436 | decrease_flight_roll(); |
| 1437 | |
| 1438 | if (flight_roll < 0) |
| 1439 | increase_flight_roll(); |
| 1440 | } |
| 1441 | |
| 1442 | if (!climbing) |
| 1443 | { |
| 1444 | if (flight_climb > 0) |
| 1445 | decrease_flight_climb(); |
| 1446 | |
| 1447 | if (flight_climb < 0) |
| 1448 | increase_flight_climb(); |
| 1449 | } |
| 1450 | |
| 1451 | |
| 1452 | if (!docked) |
| 1453 | { |
| 1454 | gfx_acquire_screen(); |
| 1455 | |
| 1456 | if ((current_screen == SCR_FRONT_VIEW) || (current_screen == SCR_REAR_VIEW) || |
| 1457 | (current_screen == SCR_LEFT_VIEW) || (current_screen == SCR_RIGHT_VIEW) || |
| 1458 | (current_screen == SCR_INTRO_ONE) || (current_screen == SCR_INTRO_TWO) || |
| 1459 | (current_screen == SCR_GAME_OVER)) |
| 1460 | { |
| 1461 | gfx_clear_display(); |
| 1462 | update_starfield(); |
| 1463 | } |
| 1464 | |
| 1465 | if (auto_pilot) |
| 1466 | { |
| 1467 | auto_dock(); |
| 1468 | if ((mcount & 127) == 0) |
| 1469 | info_message ("Docking Computers On"); |
| 1470 | } |
| 1471 | |
| 1472 | update_universe (); |
| 1473 | |
| 1474 | if (docked) |
| 1475 | { |
| 1476 | update_console(); |
| 1477 | gfx_release_screen(); |
| 1478 | continue; |
| 1479 | } |
| 1480 | |
| 1481 | if ((current_screen == SCR_FRONT_VIEW) || (current_screen == SCR_REAR_VIEW) || |
| 1482 | (current_screen == SCR_LEFT_VIEW) || (current_screen == SCR_RIGHT_VIEW)) |
| 1483 | { |
| 1484 | if (draw_lasers) |
| 1485 | { |
| 1486 | draw_laser_lines(); |
| 1487 | draw_lasers--; |
| 1488 | } |
| 1489 | |
| 1490 | draw_laser_sights(); |
| 1491 | } |
| 1492 | |
| 1493 | if (message_count > 0) |
| 1494 | gfx_display_centre_text (358, message_string, 120, GFX_COL_WHITE); |
| 1495 | |
| 1496 | if (hyper_ready) |
| 1497 | { |
| 1498 | display_hyper_status(); |
| 1499 | if ((mcount & 3) == 0) |
| 1500 | { |
| 1501 | countdown_hyperspace(); |
| 1502 | } |
| 1503 | } |
| 1504 | |
| 1505 | gfx_release_screen(); |
| 1506 | |
| 1507 | mcount--; |
| 1508 | if (mcount < 0) |
| 1509 | mcount = 255; |
| 1510 | |
| 1511 | if ((mcount & 7) == 0) |
| 1512 | regenerate_shields(); |
| 1513 | |
| 1514 | if ((mcount & 31) == 10) |
| 1515 | { |
| 1516 | if (energy < 50) |
| 1517 | { |
| 1518 | info_message ("ENERGY LOW"); |
| 1519 | snd_play_sample (SND_BEEP); |
| 1520 | } |
| 1521 | |
| 1522 | update_altitude(); |
| 1523 | } |
| 1524 | |
| 1525 | if ((mcount & 31) == 20) |
| 1526 | update_cabin_temp(); |
| 1527 | |
| 1528 | if ((mcount == 0) && (!witchspace)) |
| 1529 | random_encounter(); |
| 1530 | |
| 1531 | cool_laser(); |
| 1532 | time_ecm(); |
| 1533 | |
| 1534 | update_console(); |
| 1535 | } |
| 1536 | |
| 1537 | if (current_screen == SCR_BREAK_PATTERN) |
| 1538 | display_break_pattern(); |
| 1539 | |
| 1540 | if (cross_timer > 0) |
| 1541 | { |
| 1542 | cross_timer--; |
| 1543 | if (cross_timer == 0) |
| 1544 | { |
| 1545 | show_distance_to_planet(); |
| 1546 | } |
| 1547 | } |
| 1548 | |
| 1549 | if ((cross_x != old_cross_x) || |
| 1550 | (cross_y != old_cross_y)) |
| 1551 | { |
| 1552 | if (old_cross_x != -1) |
| 1553 | draw_cross (old_cross_x, old_cross_y); |
| 1554 | |
| 1555 | old_cross_x = cross_x; |
| 1556 | old_cross_y = cross_y; |
| 1557 | |
| 1558 | draw_cross (old_cross_x, old_cross_y); |
| 1559 | } |
| 1560 | } |
| 1561 | |
| 1562 | if (game_over < 2) |
| 1563 | run_game_over_screen(); |
| 1564 | } |
| 1565 | |
| 1566 | snd_sound_shutdown(); |
| 1567 | |
| 1568 | gfx_graphics_shutdown (); |
| 1569 | |
| 1570 | return 0; |
| 1571 | } |
| 1572 | |
| 1573 | END_OF_MAIN(); |