| 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 | * space.c |
| 17 | * |
| 18 | * This module handles all the flight system and management of the space universe. |
| 19 | */ |
| 20 | |
| 21 | #include <stdio.h> |
| 22 | #include <string.h> |
| 23 | #include <math.h> |
| 24 | #include <stdlib.h> |
| 25 | |
| 26 | #include "vector.h" |
| 27 | |
| 28 | #include "alg_data.h" |
| 29 | |
| 30 | #include "config.h" |
| 31 | #include "elite.h" |
| 32 | #include "keyboard.h" |
| 33 | #include "gfx.h" |
| 34 | #include "docked.h" |
| 35 | #include "intro.h" |
| 36 | #include "shipdata.h" |
| 37 | #include "shipface.h" |
| 38 | #include "space.h" |
| 39 | #include "threed.h" |
| 40 | #include "sound.h" |
| 41 | #include "main.h" |
| 42 | #include "swat.h" |
| 43 | #include "random.h" |
| 44 | #include "trade.h" |
| 45 | #include "stars.h" |
| 46 | #include "pilot.h" |
| 47 | |
| 48 | extern int flight_climb; |
| 49 | extern int flight_roll; |
| 50 | extern int flight_speed; |
| 51 | |
| 52 | struct galaxy_seed destination_planet; |
| 53 | int hyper_ready; |
| 54 | int hyper_countdown; |
| 55 | char hyper_name[16]; |
| 56 | int hyper_distance; |
| 57 | int hyper_galactic; |
| 58 | |
| 59 | |
| 60 | |
| 61 | |
| 62 | |
| 63 | |
| 64 | void rotate_x_first (double *a, double *b, int direction) |
| 65 | { |
| 66 | double fx,ux; |
| 67 | |
| 68 | fx = *a; |
| 69 | ux = *b; |
| 70 | |
| 71 | if (direction < 0) |
| 72 | { |
| 73 | *a = fx - (fx / 512) + (ux / 19); |
| 74 | *b = ux - (ux / 512) - (fx / 19); |
| 75 | } |
| 76 | else |
| 77 | { |
| 78 | *a = fx - (fx / 512) - (ux / 19); |
| 79 | *b = ux - (ux / 512) + (fx / 19); |
| 80 | } |
| 81 | } |
| 82 | |
| 83 | |
| 84 | void rotate_vec (struct vector *vec, double alpha, double beta) |
| 85 | { |
| 86 | double x,y,z; |
| 87 | |
| 88 | x = vec->x; |
| 89 | y = vec->y; |
| 90 | z = vec->z; |
| 91 | |
| 92 | y = y - alpha * x; |
| 93 | x = x + alpha * y; |
| 94 | y = y - beta * z; |
| 95 | z = z + beta * y; |
| 96 | |
| 97 | vec->x = x; |
| 98 | vec->y = y; |
| 99 | vec->z = z; |
| 100 | } |
| 101 | |
| 102 | |
| 103 | /* |
| 104 | * Update an objects location in the universe. |
| 105 | */ |
| 106 | |
| 107 | void move_univ_object (struct univ_object *obj) |
| 108 | { |
| 109 | double x,y,z; |
| 110 | double k2; |
| 111 | double alpha; |
| 112 | double beta; |
| 113 | int rotx,rotz; |
| 114 | double speed; |
| 115 | |
| 116 | alpha = flight_roll / 256.0; |
| 117 | beta = flight_climb / 256.0; |
| 118 | |
| 119 | x = obj->location.x; |
| 120 | y = obj->location.y; |
| 121 | z = obj->location.z; |
| 122 | |
| 123 | if (!(obj->flags & FLG_DEAD)) |
| 124 | { |
| 125 | if (obj->velocity != 0) |
| 126 | { |
| 127 | speed = obj->velocity; |
| 128 | speed *= 1.5; |
| 129 | x += obj->rotmat[2].x * speed; |
| 130 | y += obj->rotmat[2].y * speed; |
| 131 | z += obj->rotmat[2].z * speed; |
| 132 | } |
| 133 | |
| 134 | if (obj->acceleration != 0) |
| 135 | { |
| 136 | obj->velocity += obj->acceleration; |
| 137 | obj->acceleration = 0; |
| 138 | if (obj->velocity > ship_list[obj->type]->velocity) |
| 139 | obj->velocity = ship_list[obj->type]->velocity; |
| 140 | |
| 141 | if (obj->velocity <= 0) |
| 142 | obj->velocity = 1; |
| 143 | } |
| 144 | } |
| 145 | |
| 146 | k2 = y - alpha * x; |
| 147 | z = z + beta * k2; |
| 148 | y = k2 - z * beta; |
| 149 | x = x + alpha * y; |
| 150 | |
| 151 | z = z - flight_speed; |
| 152 | |
| 153 | obj->location.x = x; |
| 154 | obj->location.y = y; |
| 155 | obj->location.z = z; |
| 156 | |
| 157 | obj->distance = sqrt (x*x + y*y + z*z); |
| 158 | |
| 159 | if (obj->type == SHIP_PLANET) |
| 160 | beta = 0.0; |
| 161 | |
| 162 | rotate_vec (&obj->rotmat[2], alpha, beta); |
| 163 | rotate_vec (&obj->rotmat[1], alpha, beta); |
| 164 | rotate_vec (&obj->rotmat[0], alpha, beta); |
| 165 | |
| 166 | if (obj->flags & FLG_DEAD) |
| 167 | return; |
| 168 | |
| 169 | |
| 170 | rotx = obj->rotx; |
| 171 | rotz = obj->rotz; |
| 172 | |
| 173 | /* If necessary rotate the object around the X axis... */ |
| 174 | |
| 175 | if (rotx != 0) |
| 176 | { |
| 177 | rotate_x_first (&obj->rotmat[2].x, &obj->rotmat[1].x, rotx); |
| 178 | rotate_x_first (&obj->rotmat[2].y, &obj->rotmat[1].y, rotx); |
| 179 | rotate_x_first (&obj->rotmat[2].z, &obj->rotmat[1].z, rotx); |
| 180 | |
| 181 | if ((rotx != 127) && (rotx != -127)) |
| 182 | obj->rotx -= (rotx < 0) ? -1 : 1; |
| 183 | } |
| 184 | |
| 185 | |
| 186 | /* If necessary rotate the object around the Z axis... */ |
| 187 | |
| 188 | if (rotz != 0) |
| 189 | { |
| 190 | rotate_x_first (&obj->rotmat[0].x, &obj->rotmat[1].x, rotz); |
| 191 | rotate_x_first (&obj->rotmat[0].y, &obj->rotmat[1].y, rotz); |
| 192 | rotate_x_first (&obj->rotmat[0].z, &obj->rotmat[1].z, rotz); |
| 193 | |
| 194 | if ((rotz != 127) && (rotz != -127)) |
| 195 | obj->rotz -= (rotz < 0) ? -1 : 1; |
| 196 | } |
| 197 | |
| 198 | |
| 199 | /* Orthonormalize the rotation matrix... */ |
| 200 | |
| 201 | tidy_matrix (obj->rotmat); |
| 202 | } |
| 203 | |
| 204 | |
| 205 | /* |
| 206 | * Dock the player into the space station. |
| 207 | */ |
| 208 | |
| 209 | void dock_player (void) |
| 210 | { |
| 211 | disengage_auto_pilot(); |
| 212 | docked = 1; |
| 213 | flight_speed = 0; |
| 214 | flight_roll = 0; |
| 215 | flight_climb = 0; |
| 216 | front_shield = 255; |
| 217 | aft_shield = 255; |
| 218 | energy = 255; |
| 219 | myship.altitude = 255; |
| 220 | myship.cabtemp = 30; |
| 221 | reset_weapons(); |
| 222 | } |
| 223 | |
| 224 | |
| 225 | /* |
| 226 | * Check if we are correctly aligned to dock. |
| 227 | */ |
| 228 | |
| 229 | int is_docking (int sn) |
| 230 | { |
| 231 | struct vector vec; |
| 232 | double fz; |
| 233 | double ux; |
| 234 | |
| 235 | if (universe[sn].flags & FLG_ANGRY) |
| 236 | return (0); |
| 237 | |
| 238 | if (auto_pilot) // Don't want it to kill anyone! |
| 239 | return 1; |
| 240 | |
| 241 | fz = universe[sn].rotmat[2].z; |
| 242 | |
| 243 | if (fz > -0.90) |
| 244 | return 0; |
| 245 | |
| 246 | vec = unit_vector (&universe[sn].location); |
| 247 | |
| 248 | if (vec.z < 0.927) |
| 249 | return 0; |
| 250 | |
| 251 | ux = universe[sn].rotmat[1].x; |
| 252 | if (ux < 0) |
| 253 | ux = -ux; |
| 254 | |
| 255 | if (ux < 0.84) |
| 256 | return 0; |
| 257 | |
| 258 | return 1; |
| 259 | } |
| 260 | |
| 261 | |
| 262 | /* |
| 263 | * Game Over... |
| 264 | */ |
| 265 | |
| 266 | void do_game_over (void) |
| 267 | { |
| 268 | snd_play_sample (SND_GAMEOVER); |
| 269 | game_over = 1; |
| 270 | } |
| 271 | |
| 272 | |
| 273 | void update_altitude (void) |
| 274 | { |
| 275 | double x,y,z; |
| 276 | double dist; |
| 277 | |
| 278 | myship.altitude = 255; |
| 279 | |
| 280 | if (witchspace) |
| 281 | return; |
| 282 | |
| 283 | x = fabs(universe[0].location.x); |
| 284 | y = fabs(universe[0].location.y); |
| 285 | z = fabs(universe[0].location.z); |
| 286 | |
| 287 | if ((x > 65535) || (y > 65535) || (z > 65535)) |
| 288 | return; |
| 289 | |
| 290 | x /= 256; |
| 291 | y /= 256; |
| 292 | z /= 256; |
| 293 | |
| 294 | dist = (x * x) + (y * y) + (z * z); |
| 295 | |
| 296 | if (dist > 65535) |
| 297 | return; |
| 298 | |
| 299 | dist -= 9472; |
| 300 | if (dist < 1) |
| 301 | { |
| 302 | myship.altitude = 0; |
| 303 | do_game_over (); |
| 304 | return; |
| 305 | } |
| 306 | |
| 307 | dist = sqrt (dist); |
| 308 | if (dist < 1) |
| 309 | { |
| 310 | myship.altitude = 0; |
| 311 | do_game_over (); |
| 312 | return; |
| 313 | } |
| 314 | |
| 315 | myship.altitude = dist; |
| 316 | } |
| 317 | |
| 318 | |
| 319 | void update_cabin_temp (void) |
| 320 | { |
| 321 | int x,y,z; |
| 322 | int dist; |
| 323 | |
| 324 | myship.cabtemp = 30; |
| 325 | |
| 326 | if (witchspace) |
| 327 | return; |
| 328 | |
| 329 | if (ship_count[SHIP_CORIOLIS] || ship_count[SHIP_DODEC]) |
| 330 | return; |
| 331 | |
| 332 | x = abs((int)universe[1].location.x); |
| 333 | y = abs((int)universe[1].location.y); |
| 334 | z = abs((int)universe[1].location.z); |
| 335 | |
| 336 | if ((x > 65535) || (y > 65535) || (z > 65535)) |
| 337 | return; |
| 338 | |
| 339 | x /= 256; |
| 340 | y /= 256; |
| 341 | z /= 256; |
| 342 | |
| 343 | dist = ((x * x) + (y * y) + (z * z)) / 256; |
| 344 | |
| 345 | if (dist > 255) |
| 346 | return; |
| 347 | |
| 348 | dist ^= 255; |
| 349 | |
| 350 | myship.cabtemp = dist + 30; |
| 351 | |
| 352 | if (myship.cabtemp > 255) |
| 353 | { |
| 354 | myship.cabtemp = 255; |
| 355 | do_game_over (); |
| 356 | return; |
| 357 | } |
| 358 | |
| 359 | if ((myship.cabtemp < 224) || (cmdr.fuel_scoop == 0)) |
| 360 | return; |
| 361 | |
| 362 | cmdr.fuel += flight_speed / 2; |
| 363 | if (cmdr.fuel > myship.max_fuel) |
| 364 | cmdr.fuel = myship.max_fuel; |
| 365 | |
| 366 | info_message ("Fuel Scoop On"); |
| 367 | } |
| 368 | |
| 369 | |
| 370 | |
| 371 | /* |
| 372 | * Regenerate the shields and the energy banks. |
| 373 | */ |
| 374 | |
| 375 | void regenerate_shields (void) |
| 376 | { |
| 377 | if (energy > 127) |
| 378 | { |
| 379 | if (front_shield < 255) |
| 380 | { |
| 381 | front_shield++; |
| 382 | energy--; |
| 383 | } |
| 384 | |
| 385 | if (aft_shield < 255) |
| 386 | { |
| 387 | aft_shield++; |
| 388 | energy--; |
| 389 | } |
| 390 | } |
| 391 | |
| 392 | energy++; |
| 393 | energy += cmdr.energy_unit; |
| 394 | if (energy > 255) |
| 395 | energy = 255; |
| 396 | } |
| 397 | |
| 398 | |
| 399 | void decrease_energy (int amount) |
| 400 | { |
| 401 | energy += amount; |
| 402 | |
| 403 | if (energy <= 0) |
| 404 | do_game_over(); |
| 405 | } |
| 406 | |
| 407 | |
| 408 | /* |
| 409 | * Deplete the shields. Drain the energy banks if the shields fail. |
| 410 | */ |
| 411 | |
| 412 | void damage_ship (int damage, int front) |
| 413 | { |
| 414 | int shield; |
| 415 | |
| 416 | if (damage <= 0) /* sanity check */ |
| 417 | return; |
| 418 | |
| 419 | shield = front ? front_shield : aft_shield; |
| 420 | |
| 421 | shield -= damage; |
| 422 | if (shield < 0) |
| 423 | { |
| 424 | decrease_energy (shield); |
| 425 | shield = 0; |
| 426 | } |
| 427 | |
| 428 | if (front) |
| 429 | front_shield = shield; |
| 430 | else |
| 431 | aft_shield = shield; |
| 432 | } |
| 433 | |
| 434 | |
| 435 | |
| 436 | |
| 437 | void make_station_appear (void) |
| 438 | { |
| 439 | double px,py,pz; |
| 440 | double sx,sy,sz; |
| 441 | Vector vec; |
| 442 | Matrix rotmat; |
| 443 | |
| 444 | px = universe[0].location.x; |
| 445 | py = universe[0].location.y; |
| 446 | pz = universe[0].location.z; |
| 447 | |
| 448 | vec.x = (rand() & 32767) - 16384; |
| 449 | vec.y = (rand() & 32767) - 16384; |
| 450 | vec.z = rand() & 32767; |
| 451 | |
| 452 | vec = unit_vector (&vec); |
| 453 | |
| 454 | sx = px - vec.x * 65792; |
| 455 | sy = py - vec.y * 65792; |
| 456 | sz = pz - vec.z * 65792; |
| 457 | |
| 458 | // set_init_matrix (rotmat); |
| 459 | |
| 460 | rotmat[0].x = 1.0; |
| 461 | rotmat[0].y = 0.0; |
| 462 | rotmat[0].z = 0.0; |
| 463 | |
| 464 | rotmat[1].x = vec.x; |
| 465 | rotmat[1].y = vec.z; |
| 466 | rotmat[1].z = -vec.y; |
| 467 | |
| 468 | rotmat[2].x = vec.x; |
| 469 | rotmat[2].y = vec.y; |
| 470 | rotmat[2].z = vec.z; |
| 471 | |
| 472 | tidy_matrix (rotmat); |
| 473 | |
| 474 | add_new_station (sx, sy, sz, rotmat); |
| 475 | } |
| 476 | |
| 477 | |
| 478 | |
| 479 | void check_docking (int i) |
| 480 | { |
| 481 | if (is_docking(i)) |
| 482 | { |
| 483 | snd_play_sample (SND_DOCK); |
| 484 | dock_player(); |
| 485 | current_screen = SCR_BREAK_PATTERN; |
| 486 | return; |
| 487 | } |
| 488 | |
| 489 | if (flight_speed >= 5) |
| 490 | { |
| 491 | do_game_over(); |
| 492 | return; |
| 493 | } |
| 494 | |
| 495 | flight_speed = 1; |
| 496 | damage_ship (5, universe[i].location.z > 0); |
| 497 | snd_play_sample (SND_CRASH); |
| 498 | } |
| 499 | |
| 500 | |
| 501 | void switch_to_view (struct univ_object *flip) |
| 502 | { |
| 503 | double tmp; |
| 504 | |
| 505 | if ((current_screen == SCR_REAR_VIEW) || |
| 506 | (current_screen == SCR_GAME_OVER)) |
| 507 | { |
| 508 | flip->location.x = -flip->location.x; |
| 509 | flip->location.z = -flip->location.z; |
| 510 | |
| 511 | flip->rotmat[0].x = -flip->rotmat[0].x; |
| 512 | flip->rotmat[0].z = -flip->rotmat[0].z; |
| 513 | |
| 514 | flip->rotmat[1].x = -flip->rotmat[1].x; |
| 515 | flip->rotmat[1].z = -flip->rotmat[1].z; |
| 516 | |
| 517 | flip->rotmat[2].x = -flip->rotmat[2].x; |
| 518 | flip->rotmat[2].z = -flip->rotmat[2].z; |
| 519 | return; |
| 520 | } |
| 521 | |
| 522 | |
| 523 | if (current_screen == SCR_LEFT_VIEW) |
| 524 | { |
| 525 | tmp = flip->location.x; |
| 526 | flip->location.x = flip->location.z; |
| 527 | flip->location.z = -tmp; |
| 528 | |
| 529 | if (flip->type < 0) |
| 530 | return; |
| 531 | |
| 532 | tmp = flip->rotmat[0].x; |
| 533 | flip->rotmat[0].x = flip->rotmat[0].z; |
| 534 | flip->rotmat[0].z = -tmp; |
| 535 | |
| 536 | tmp = flip->rotmat[1].x; |
| 537 | flip->rotmat[1].x = flip->rotmat[1].z; |
| 538 | flip->rotmat[1].z = -tmp; |
| 539 | |
| 540 | tmp = flip->rotmat[2].x; |
| 541 | flip->rotmat[2].x = flip->rotmat[2].z; |
| 542 | flip->rotmat[2].z = -tmp; |
| 543 | return; |
| 544 | } |
| 545 | |
| 546 | if (current_screen == SCR_RIGHT_VIEW) |
| 547 | { |
| 548 | tmp = flip->location.x; |
| 549 | flip->location.x = -flip->location.z; |
| 550 | flip->location.z = tmp; |
| 551 | |
| 552 | if (flip->type < 0) |
| 553 | return; |
| 554 | |
| 555 | tmp = flip->rotmat[0].x; |
| 556 | flip->rotmat[0].x = -flip->rotmat[0].z; |
| 557 | flip->rotmat[0].z = tmp; |
| 558 | |
| 559 | tmp = flip->rotmat[1].x; |
| 560 | flip->rotmat[1].x = -flip->rotmat[1].z; |
| 561 | flip->rotmat[1].z = tmp; |
| 562 | |
| 563 | tmp = flip->rotmat[2].x; |
| 564 | flip->rotmat[2].x = -flip->rotmat[2].z; |
| 565 | flip->rotmat[2].z = tmp; |
| 566 | |
| 567 | } |
| 568 | } |
| 569 | |
| 570 | |
| 571 | /* |
| 572 | * Update all the objects in the universe and render them. |
| 573 | */ |
| 574 | |
| 575 | void update_universe (void) |
| 576 | { |
| 577 | int i; |
| 578 | int type; |
| 579 | int bounty; |
| 580 | char str[80]; |
| 581 | struct univ_object flip; |
| 582 | |
| 583 | |
| 584 | gfx_start_render(); |
| 585 | |
| 586 | for (i = 0; i < MAX_UNIV_OBJECTS; i++) |
| 587 | { |
| 588 | type = universe[i].type; |
| 589 | |
| 590 | if (type != 0) |
| 591 | { |
| 592 | if (universe[i].flags & FLG_REMOVE) |
| 593 | { |
| 594 | if (!(universe[i].flags & FLG_TARGET)) |
| 595 | cmdr.legal_status |= 64; |
| 596 | |
| 597 | bounty = ship_list[type]->bounty; |
| 598 | |
| 599 | if ((bounty != 0) && (!witchspace)) |
| 600 | { |
| 601 | cmdr.credits += bounty; |
| 602 | sprintf (str, "Bounty: %d.%d CR", bounty / 10, bounty % 10); |
| 603 | info_message (str); |
| 604 | } |
| 605 | |
| 606 | remove_ship (i); |
| 607 | continue; |
| 608 | } |
| 609 | |
| 610 | if ((detonate_bomb) && ((universe[i].flags & FLG_DEAD) == 0) && |
| 611 | (type != SHIP_PLANET) && (type != SHIP_SUN) && |
| 612 | (type != SHIP_CONSTRICTOR) && (type != SHIP_COUGAR) && |
| 613 | (type != SHIP_CORIOLIS) && (type != SHIP_DODEC)) |
| 614 | { |
| 615 | snd_play_sample (SND_EXPLODE); |
| 616 | universe[i].flags |= FLG_DEAD; |
| 617 | } |
| 618 | |
| 619 | if ((current_screen != SCR_INTRO_ONE) && |
| 620 | (current_screen != SCR_INTRO_TWO) && |
| 621 | (current_screen != SCR_GAME_OVER) && |
| 622 | (current_screen != SCR_ESCAPE_POD)) |
| 623 | { |
| 624 | tactics (i); |
| 625 | } |
| 626 | |
| 627 | move_univ_object (&universe[i]); |
| 628 | |
| 629 | flip = universe[i]; |
| 630 | switch_to_view (&flip); |
| 631 | |
| 632 | if (type == SHIP_PLANET) |
| 633 | { |
| 634 | if ((ship_count[SHIP_CORIOLIS] == 0) && |
| 635 | (ship_count[SHIP_DODEC] == 0) && |
| 636 | (universe[i].distance < 65792)) // was 49152 |
| 637 | { |
| 638 | make_station_appear(); |
| 639 | } |
| 640 | |
| 641 | draw_ship (&flip); |
| 642 | continue; |
| 643 | } |
| 644 | |
| 645 | if (type == SHIP_SUN) |
| 646 | { |
| 647 | draw_ship (&flip); |
| 648 | continue; |
| 649 | } |
| 650 | |
| 651 | |
| 652 | if (universe[i].distance < 170) |
| 653 | { |
| 654 | if ((type == SHIP_CORIOLIS) || (type == SHIP_DODEC)) |
| 655 | check_docking (i); |
| 656 | else |
| 657 | scoop_item(i); |
| 658 | |
| 659 | continue; |
| 660 | } |
| 661 | |
| 662 | if (universe[i].distance > 57344) |
| 663 | { |
| 664 | remove_ship (i); |
| 665 | continue; |
| 666 | } |
| 667 | |
| 668 | draw_ship (&flip); |
| 669 | |
| 670 | universe[i].flags = flip.flags; |
| 671 | universe[i].exp_seed = flip.exp_seed; |
| 672 | universe[i].exp_delta = flip.exp_delta; |
| 673 | |
| 674 | universe[i].flags &= ~FLG_FIRING; |
| 675 | |
| 676 | if (universe[i].flags & FLG_DEAD) |
| 677 | continue; |
| 678 | |
| 679 | check_target (i, &flip); |
| 680 | } |
| 681 | } |
| 682 | |
| 683 | gfx_finish_render(); |
| 684 | detonate_bomb = 0; |
| 685 | } |
| 686 | |
| 687 | |
| 688 | |
| 689 | |
| 690 | /* |
| 691 | * Update the scanner and draw all the lollipops. |
| 692 | */ |
| 693 | |
| 694 | void update_scanner (void) |
| 695 | { |
| 696 | int i; |
| 697 | int x,y,z; |
| 698 | int x1,y1,y2; |
| 699 | int colour; |
| 700 | |
| 701 | for (i = 0; i < MAX_UNIV_OBJECTS; i++) |
| 702 | { |
| 703 | if ((universe[i].type <= 0) || |
| 704 | (universe[i].flags & FLG_DEAD) || |
| 705 | (universe[i].flags & FLG_CLOAKED)) |
| 706 | continue; |
| 707 | |
| 708 | x = universe[i].location.x * scanner_zoom / 256; |
| 709 | y = universe[i].location.y * scanner_zoom / 256; |
| 710 | z = universe[i].location.z * scanner_zoom / 256; |
| 711 | |
| 712 | x1 = x; |
| 713 | y1 = -z / 4; |
| 714 | y2 = y1 - y / 2; |
| 715 | |
| 716 | if ((y2 < -28) || (y2 > 28) || |
| 717 | (x1 < -50) || (x1 > 50)) |
| 718 | continue; |
| 719 | |
| 720 | x1 += scanner_cx; |
| 721 | y1 += scanner_cy; |
| 722 | y2 += scanner_cy; |
| 723 | |
| 724 | colour = (universe[i].flags & FLG_HOSTILE) ? GFX_COL_YELLOW_5 : GFX_COL_WHITE; |
| 725 | |
| 726 | switch (universe[i].type) |
| 727 | { |
| 728 | case SHIP_MISSILE: |
| 729 | colour = 137; |
| 730 | break; |
| 731 | |
| 732 | case SHIP_DODEC: |
| 733 | case SHIP_CORIOLIS: |
| 734 | colour = GFX_COL_GREEN_1; |
| 735 | break; |
| 736 | |
| 737 | case SHIP_VIPER: |
| 738 | colour = 252; |
| 739 | break; |
| 740 | } |
| 741 | |
| 742 | gfx_draw_colour_line (x1+2, y2, x1-3, y2, colour); |
| 743 | gfx_draw_colour_line (x1+2, y2+1, x1-3, y2+1, colour); |
| 744 | gfx_draw_colour_line (x1+2, y2+2, x1-3, y2+2, colour); |
| 745 | gfx_draw_colour_line (x1+2, y2+3, x1-3, y2+3, colour); |
| 746 | |
| 747 | |
| 748 | gfx_draw_colour_line (x1, y1, x1, y2, colour); |
| 749 | gfx_draw_colour_line (x1+1, y1, x1+1, y2, colour); |
| 750 | gfx_draw_colour_line (x1+2, y1, x1+2, y2, colour); |
| 751 | } |
| 752 | } |
| 753 | |
| 754 | |
| 755 | /* |
| 756 | * Update the compass which tracks the space station / planet. |
| 757 | */ |
| 758 | |
| 759 | void update_compass (void) |
| 760 | { |
| 761 | struct vector dest; |
| 762 | int compass_x; |
| 763 | int compass_y; |
| 764 | int un = 0; |
| 765 | |
| 766 | if (witchspace) |
| 767 | return; |
| 768 | |
| 769 | if (ship_count[SHIP_CORIOLIS] || ship_count[SHIP_DODEC]) |
| 770 | un = 1; |
| 771 | |
| 772 | dest = unit_vector (&universe[un].location); |
| 773 | |
| 774 | compass_x = compass_centre_x + (dest.x * 16); |
| 775 | compass_y = compass_centre_y + (dest.y * -16); |
| 776 | |
| 777 | if (dest.z < 0) |
| 778 | { |
| 779 | gfx_draw_sprite (IMG_RED_DOT, compass_x, compass_y); |
| 780 | } |
| 781 | else |
| 782 | { |
| 783 | gfx_draw_sprite (IMG_GREEN_DOT, compass_x, compass_y); |
| 784 | } |
| 785 | |
| 786 | } |
| 787 | |
| 788 | |
| 789 | /* |
| 790 | * Display the speed bar. |
| 791 | */ |
| 792 | |
| 793 | void display_speed (void) |
| 794 | { |
| 795 | int sx,sy; |
| 796 | int i; |
| 797 | int len; |
| 798 | int colour; |
| 799 | |
| 800 | sx = 417; |
| 801 | sy = 384 + 9; |
| 802 | |
| 803 | len = ((flight_speed * 64) / myship.max_speed) - 1; |
| 804 | |
| 805 | colour = (flight_speed > (myship.max_speed * 2 / 3)) ? GFX_COL_DARK_RED : GFX_COL_GOLD; |
| 806 | |
| 807 | for (i = 0; i < 6; i++) |
| 808 | { |
| 809 | gfx_draw_colour_line (sx, sy + i, sx + len, sy + i, colour); |
| 810 | } |
| 811 | } |
| 812 | |
| 813 | |
| 814 | /* |
| 815 | * Draw an indicator bar. |
| 816 | * Used for shields and energy banks. |
| 817 | */ |
| 818 | |
| 819 | void display_dial_bar (int len, int x, int y) |
| 820 | { |
| 821 | int i = 0; |
| 822 | |
| 823 | gfx_draw_colour_line (x, y + 384, x + len, y + 384, GFX_COL_GOLD); |
| 824 | i++; |
| 825 | gfx_draw_colour_line (x, y + i + 384, x + len, y + i + 384, GFX_COL_GOLD); |
| 826 | |
| 827 | for (i = 2; i < 7; i++) |
| 828 | gfx_draw_colour_line (x, y + i + 384, x + len, y + i + 384, GFX_COL_YELLOW_1); |
| 829 | |
| 830 | gfx_draw_colour_line (x, y + i + 384, x + len, y + i + 384, GFX_COL_DARK_RED); |
| 831 | } |
| 832 | |
| 833 | |
| 834 | /* |
| 835 | * Display the current shield strengths. |
| 836 | */ |
| 837 | |
| 838 | void display_shields (void) |
| 839 | { |
| 840 | if (front_shield > 3) |
| 841 | display_dial_bar (front_shield / 4, 31, 7); |
| 842 | |
| 843 | if (aft_shield > 3) |
| 844 | display_dial_bar (aft_shield / 4, 31, 23); |
| 845 | } |
| 846 | |
| 847 | |
| 848 | void display_altitude (void) |
| 849 | { |
| 850 | if (myship.altitude > 3) |
| 851 | display_dial_bar (myship.altitude / 4, 31, 92); |
| 852 | } |
| 853 | |
| 854 | void display_cabin_temp (void) |
| 855 | { |
| 856 | if (myship.cabtemp > 3) |
| 857 | display_dial_bar (myship.cabtemp / 4, 31, 60); |
| 858 | } |
| 859 | |
| 860 | |
| 861 | void display_laser_temp (void) |
| 862 | { |
| 863 | if (laser_temp > 0) |
| 864 | display_dial_bar (laser_temp / 4, 31, 76); |
| 865 | } |
| 866 | |
| 867 | |
| 868 | /* |
| 869 | * Display the energy banks. |
| 870 | */ |
| 871 | |
| 872 | void display_energy (void) |
| 873 | { |
| 874 | int e1,e2,e3,e4; |
| 875 | |
| 876 | e1 = energy > 64 ? 64 : energy; |
| 877 | e2 = energy > 128 ? 64 : energy - 64; |
| 878 | e3 = energy > 192 ? 64 : energy - 128; |
| 879 | e4 = energy - 192; |
| 880 | |
| 881 | if (e4 > 0) |
| 882 | display_dial_bar (e4, 416, 61); |
| 883 | |
| 884 | if (e3 > 0) |
| 885 | display_dial_bar (e3, 416, 79); |
| 886 | |
| 887 | if (e2 > 0) |
| 888 | display_dial_bar (e2, 416, 97); |
| 889 | |
| 890 | if (e1 > 0) |
| 891 | display_dial_bar (e1, 416, 115); |
| 892 | } |
| 893 | |
| 894 | |
| 895 | |
| 896 | void display_flight_roll (void) |
| 897 | { |
| 898 | int sx,sy; |
| 899 | int i; |
| 900 | int pos; |
| 901 | |
| 902 | sx = 416; |
| 903 | sy = 384 + 9 + 14; |
| 904 | |
| 905 | pos = sx - ((flight_roll * 28) / myship.max_roll); |
| 906 | pos += 32; |
| 907 | |
| 908 | for (i = 0; i < 4; i++) |
| 909 | { |
| 910 | gfx_draw_colour_line (pos + i, sy, pos + i, sy + 7, GFX_COL_GOLD); |
| 911 | } |
| 912 | } |
| 913 | |
| 914 | void display_flight_climb (void) |
| 915 | { |
| 916 | int sx,sy; |
| 917 | int i; |
| 918 | int pos; |
| 919 | |
| 920 | sx = 416; |
| 921 | sy = 384 + 9 + 14 + 16; |
| 922 | |
| 923 | pos = sx + ((flight_climb * 28) / myship.max_climb); |
| 924 | pos += 32; |
| 925 | |
| 926 | for (i = 0; i < 4; i++) |
| 927 | { |
| 928 | gfx_draw_colour_line (pos + i, sy, pos + i, sy + 7, GFX_COL_GOLD); |
| 929 | } |
| 930 | } |
| 931 | |
| 932 | |
| 933 | void display_fuel (void) |
| 934 | { |
| 935 | if (cmdr.fuel > 0) |
| 936 | display_dial_bar ((cmdr.fuel * 64) / myship.max_fuel, 31, 44); |
| 937 | } |
| 938 | |
| 939 | |
| 940 | void display_missiles (void) |
| 941 | { |
| 942 | int nomiss; |
| 943 | int x,y; |
| 944 | |
| 945 | if (cmdr.missiles == 0) |
| 946 | return; |
| 947 | |
| 948 | nomiss = cmdr.missiles > 4 ? 4 : cmdr.missiles; |
| 949 | |
| 950 | x = (4 - nomiss) * 16 + 35; |
| 951 | y = 113 + 385; |
| 952 | |
| 953 | if (missile_target != MISSILE_UNARMED) |
| 954 | { |
| 955 | gfx_draw_sprite ((missile_target < 0) ? IMG_MISSILE_YELLOW : |
| 956 | IMG_MISSILE_RED, x, y); |
| 957 | x += 16; |
| 958 | nomiss--; |
| 959 | } |
| 960 | |
| 961 | for (; nomiss > 0; nomiss--) |
| 962 | { |
| 963 | gfx_draw_sprite (IMG_MISSILE_GREEN, x, y); |
| 964 | x += 16; |
| 965 | } |
| 966 | } |
| 967 | |
| 968 | |
| 969 | |
| 970 | void display_condition(void) |
| 971 | { |
| 972 | static const int cc[] = { GFX_COL_BLACK, GFX_COL_GREEN_1, GFX_COL_YELLOW_1, |
| 973 | GFX_COL_RED, GFX_COL_RED }; |
| 974 | int c = cc[condition]; |
| 975 | if (condition == COND_ALERT && (mcount & 4)) |
| 976 | c = GFX_COL_BLACK; |
| 977 | gfx_draw_filled_circle(condition_x, condition_y, condition_r, c); |
| 978 | } |
| 979 | |
| 980 | void update_console (void) |
| 981 | { |
| 982 | gfx_draw_scanner(); |
| 983 | |
| 984 | display_speed(); |
| 985 | display_flight_climb(); |
| 986 | display_flight_roll(); |
| 987 | display_shields(); |
| 988 | display_altitude(); |
| 989 | display_energy(); |
| 990 | display_cabin_temp(); |
| 991 | display_laser_temp(); |
| 992 | display_fuel(); |
| 993 | display_missiles(); |
| 994 | update_condition(); |
| 995 | |
| 996 | if (docked) { |
| 997 | gfx_set_clip_region (0, 0, 512, 512); |
| 998 | return; |
| 999 | } |
| 1000 | |
| 1001 | update_scanner(); |
| 1002 | update_compass(); |
| 1003 | display_condition(); |
| 1004 | |
| 1005 | { |
| 1006 | char buf[5]; |
| 1007 | sprintf(buf, "x%d", scanner_zoom); |
| 1008 | gfx_display_text(zoom_x, zoom_y, buf); |
| 1009 | } |
| 1010 | |
| 1011 | if (ship_count[SHIP_CORIOLIS] || ship_count[SHIP_DODEC]) |
| 1012 | gfx_draw_sprite (IMG_BIG_S, 387, 490); |
| 1013 | |
| 1014 | if (ecm_active) |
| 1015 | gfx_draw_sprite (IMG_BIG_E, 115, 490); |
| 1016 | |
| 1017 | gfx_set_clip_region (0, 0, 512, 512); |
| 1018 | } |
| 1019 | |
| 1020 | void increase_flight_roll (void) |
| 1021 | { |
| 1022 | if (flight_roll < myship.max_roll) |
| 1023 | flight_roll++; |
| 1024 | } |
| 1025 | |
| 1026 | |
| 1027 | void decrease_flight_roll (void) |
| 1028 | { |
| 1029 | if (flight_roll > -myship.max_roll) |
| 1030 | flight_roll--; |
| 1031 | } |
| 1032 | |
| 1033 | |
| 1034 | void increase_flight_climb (void) |
| 1035 | { |
| 1036 | if (flight_climb < myship.max_climb) |
| 1037 | flight_climb++; |
| 1038 | } |
| 1039 | |
| 1040 | void decrease_flight_climb (void) |
| 1041 | { |
| 1042 | if (flight_climb > -myship.max_climb) |
| 1043 | flight_climb--; |
| 1044 | } |
| 1045 | |
| 1046 | |
| 1047 | void start_hyperspace (void) |
| 1048 | { |
| 1049 | if (hyper_ready) |
| 1050 | return; |
| 1051 | |
| 1052 | hyper_distance = calc_distance_to_planet (docked_planet, hyperspace_planet); |
| 1053 | |
| 1054 | if ((docked_planet.a == hyperspace_planet.a && |
| 1055 | docked_planet.b == hyperspace_planet.b && |
| 1056 | docked_planet.c == hyperspace_planet.c && |
| 1057 | docked_planet.d == hyperspace_planet.d && |
| 1058 | docked_planet.e == hyperspace_planet.e && |
| 1059 | docked_planet.f == hyperspace_planet.f) || |
| 1060 | (hyper_distance > cmdr.fuel)) |
| 1061 | return; |
| 1062 | |
| 1063 | destination_planet = hyperspace_planet; |
| 1064 | name_planet (hyper_name, destination_planet); |
| 1065 | capitalise_name (hyper_name); |
| 1066 | |
| 1067 | hyper_ready = 1; |
| 1068 | hyper_countdown = 15; |
| 1069 | hyper_galactic = 0; |
| 1070 | |
| 1071 | disengage_auto_pilot(); |
| 1072 | } |
| 1073 | |
| 1074 | void start_galactic_hyperspace (void) |
| 1075 | { |
| 1076 | if (hyper_ready) |
| 1077 | return; |
| 1078 | |
| 1079 | if (cmdr.galactic_hyperdrive == 0) |
| 1080 | return; |
| 1081 | |
| 1082 | hyper_ready = 1; |
| 1083 | hyper_countdown = 2; |
| 1084 | hyper_galactic = 1; |
| 1085 | disengage_auto_pilot(); |
| 1086 | } |
| 1087 | |
| 1088 | |
| 1089 | |
| 1090 | void display_hyper_status (void) |
| 1091 | { |
| 1092 | char str[80]; |
| 1093 | |
| 1094 | sprintf (str, "%d", hyper_countdown); |
| 1095 | |
| 1096 | if ((current_screen == SCR_FRONT_VIEW) || (current_screen == SCR_REAR_VIEW) || |
| 1097 | (current_screen == SCR_LEFT_VIEW) || (current_screen == SCR_RIGHT_VIEW)) |
| 1098 | { |
| 1099 | gfx_display_text (5, 5, str); |
| 1100 | if (hyper_galactic) |
| 1101 | { |
| 1102 | gfx_display_centre_text (358, "Galactic Hyperspace", 120, GFX_COL_WHITE); |
| 1103 | } |
| 1104 | else |
| 1105 | { |
| 1106 | sprintf (str, "Hyperspace - %s", hyper_name); |
| 1107 | gfx_display_centre_text (358, str, 120, GFX_COL_WHITE); |
| 1108 | } |
| 1109 | } |
| 1110 | else |
| 1111 | { |
| 1112 | gfx_clear_area (5, 5, 25, 34); |
| 1113 | gfx_display_text (5, 5, str); |
| 1114 | } |
| 1115 | } |
| 1116 | |
| 1117 | |
| 1118 | int rotate_byte_left (int x) |
| 1119 | { |
| 1120 | return ((x << 1) | (x >> 7)) & 255; |
| 1121 | } |
| 1122 | |
| 1123 | void enter_next_galaxy (void) |
| 1124 | { |
| 1125 | cmdr.galaxy_number++; |
| 1126 | cmdr.galaxy_number &= 7; |
| 1127 | |
| 1128 | cmdr.galaxy.a = rotate_byte_left (cmdr.galaxy.a); |
| 1129 | cmdr.galaxy.b = rotate_byte_left (cmdr.galaxy.b); |
| 1130 | cmdr.galaxy.c = rotate_byte_left (cmdr.galaxy.c); |
| 1131 | cmdr.galaxy.d = rotate_byte_left (cmdr.galaxy.d); |
| 1132 | cmdr.galaxy.e = rotate_byte_left (cmdr.galaxy.e); |
| 1133 | cmdr.galaxy.f = rotate_byte_left (cmdr.galaxy.f); |
| 1134 | |
| 1135 | docked_planet = find_planet (0x60, 0x60); |
| 1136 | hyperspace_planet = docked_planet; |
| 1137 | } |
| 1138 | |
| 1139 | |
| 1140 | |
| 1141 | |
| 1142 | |
| 1143 | void enter_witchspace (void) |
| 1144 | { |
| 1145 | int i; |
| 1146 | int nthg; |
| 1147 | |
| 1148 | witchspace = 1; |
| 1149 | docked_planet.b ^= 31; |
| 1150 | in_battle = 1; |
| 1151 | |
| 1152 | flight_speed = 12; |
| 1153 | flight_roll = 0; |
| 1154 | flight_climb = 0; |
| 1155 | create_new_stars(); |
| 1156 | clear_universe(); |
| 1157 | |
| 1158 | nthg = (randint() & 3) + 1; |
| 1159 | |
| 1160 | for (i = 0; i < nthg; i++) |
| 1161 | create_thargoid(); |
| 1162 | |
| 1163 | current_screen = SCR_BREAK_PATTERN; |
| 1164 | snd_play_sample (SND_HYPERSPACE); |
| 1165 | } |
| 1166 | |
| 1167 | |
| 1168 | void complete_hyperspace (void) |
| 1169 | { |
| 1170 | Matrix rotmat; |
| 1171 | int px,py,pz; |
| 1172 | |
| 1173 | hyper_ready = 0; |
| 1174 | witchspace = 0; |
| 1175 | |
| 1176 | if (hyper_galactic) |
| 1177 | { |
| 1178 | cmdr.galactic_hyperdrive = 0; |
| 1179 | enter_next_galaxy(); |
| 1180 | cmdr.legal_status = 0; |
| 1181 | } |
| 1182 | else |
| 1183 | { |
| 1184 | cmdr.fuel -= hyper_distance; |
| 1185 | cmdr.legal_status /= 2; |
| 1186 | |
| 1187 | if ((rand255() > 253) || (flight_climb == myship.max_climb)) |
| 1188 | { |
| 1189 | enter_witchspace(); |
| 1190 | return; |
| 1191 | } |
| 1192 | |
| 1193 | docked_planet = destination_planet; |
| 1194 | } |
| 1195 | |
| 1196 | cmdr.market_rnd = rand255(); |
| 1197 | generate_planet_data (¤t_planet_data, docked_planet); |
| 1198 | generate_stock_market (); |
| 1199 | |
| 1200 | flight_speed = 12; |
| 1201 | flight_roll = 0; |
| 1202 | flight_climb = 0; |
| 1203 | create_new_stars(); |
| 1204 | clear_universe(); |
| 1205 | |
| 1206 | generate_landscape(docked_planet.a * 251 + docked_planet.b); |
| 1207 | set_init_matrix (rotmat); |
| 1208 | |
| 1209 | pz = (((docked_planet.b) & 7) + 7) / 2; |
| 1210 | px = pz / 2; |
| 1211 | py = px; |
| 1212 | |
| 1213 | px <<= 16; |
| 1214 | py <<= 16; |
| 1215 | pz <<= 16; |
| 1216 | |
| 1217 | if ((docked_planet.b & 1) == 0) |
| 1218 | { |
| 1219 | px = -px; |
| 1220 | py = -py; |
| 1221 | } |
| 1222 | |
| 1223 | add_new_ship (SHIP_PLANET, px, py, pz, rotmat, 0, 0); |
| 1224 | |
| 1225 | |
| 1226 | pz = -(((docked_planet.d & 7) | 1) << 16); |
| 1227 | px = ((docked_planet.f & 3) << 16) | ((docked_planet.f & 3) << 8); |
| 1228 | |
| 1229 | add_new_ship (SHIP_SUN, px, py, pz, rotmat, 0, 0); |
| 1230 | |
| 1231 | current_screen = SCR_BREAK_PATTERN; |
| 1232 | snd_play_sample (SND_HYPERSPACE); |
| 1233 | } |
| 1234 | |
| 1235 | |
| 1236 | void countdown_hyperspace (void) |
| 1237 | { |
| 1238 | if (hyper_countdown == 0) |
| 1239 | { |
| 1240 | complete_hyperspace(); |
| 1241 | return; |
| 1242 | } |
| 1243 | |
| 1244 | hyper_countdown--; |
| 1245 | } |
| 1246 | |
| 1247 | |
| 1248 | |
| 1249 | void jump_warp (void) |
| 1250 | { |
| 1251 | int i; |
| 1252 | int type; |
| 1253 | int jump; |
| 1254 | |
| 1255 | if (!kbd_ctrl_pressed) { |
| 1256 | for (i = 0; i < MAX_UNIV_OBJECTS; i++) |
| 1257 | { |
| 1258 | type = universe[i].type; |
| 1259 | |
| 1260 | if ((type > 0) && (type != SHIP_ASTEROID) && (type != SHIP_CARGO) && |
| 1261 | (type != SHIP_ALLOY) && (type != SHIP_ROCK) && |
| 1262 | (type != SHIP_BOULDER) && (type != SHIP_ESCAPE_CAPSULE)) |
| 1263 | { |
| 1264 | info_message ("Mass Locked"); |
| 1265 | return; |
| 1266 | } |
| 1267 | } |
| 1268 | if ((universe[0].distance < 75001) || (universe[1].distance < 75001)) |
| 1269 | { |
| 1270 | info_message ("Mass Locked"); |
| 1271 | return; |
| 1272 | } |
| 1273 | |
| 1274 | } |
| 1275 | |
| 1276 | |
| 1277 | if (universe[0].distance < universe[1].distance) |
| 1278 | jump = universe[0].distance - 75000; |
| 1279 | else |
| 1280 | jump = universe[1].distance - 75000; |
| 1281 | |
| 1282 | if (jump > 1024 || kbd_ctrl_pressed) |
| 1283 | jump = 1024; |
| 1284 | |
| 1285 | for (i = 0; i < MAX_UNIV_OBJECTS; i++) |
| 1286 | { |
| 1287 | if (universe[i].type != 0) |
| 1288 | universe[i].location.z -= jump; |
| 1289 | } |
| 1290 | |
| 1291 | warp_stars = 1; |
| 1292 | if (!kbd_ctrl_pressed) { |
| 1293 | mcount &= 63; |
| 1294 | in_battle = 0; |
| 1295 | } |
| 1296 | } |
| 1297 | |
| 1298 | |
| 1299 | void launch_player (void) |
| 1300 | { |
| 1301 | Matrix rotmat; |
| 1302 | |
| 1303 | docked = 0; |
| 1304 | flight_speed = 12; |
| 1305 | flight_roll = -15; |
| 1306 | flight_climb = 0; |
| 1307 | cmdr.legal_status |= carrying_contraband(); |
| 1308 | create_new_stars(); |
| 1309 | clear_universe(); |
| 1310 | generate_landscape(docked_planet.a * 251 + docked_planet.b); |
| 1311 | set_init_matrix (rotmat); |
| 1312 | add_new_ship (SHIP_PLANET, 0, 0, 65536, rotmat, 0, 0); |
| 1313 | #ifdef HACKING |
| 1314 | identify = 0; |
| 1315 | #endif |
| 1316 | scanner_zoom = 1; |
| 1317 | |
| 1318 | rotmat[2].x = -rotmat[2].x; |
| 1319 | rotmat[2].y = -rotmat[2].y; |
| 1320 | rotmat[2].z = -rotmat[2].z; |
| 1321 | add_new_station (0, 0, -256, rotmat); |
| 1322 | |
| 1323 | current_screen = SCR_BREAK_PATTERN; |
| 1324 | snd_play_sample (SND_LAUNCH); |
| 1325 | } |
| 1326 | |
| 1327 | |
| 1328 | |
| 1329 | /* |
| 1330 | * Engage the docking computer. |
| 1331 | * For the moment we just do an instant dock if we are in the safe zone. |
| 1332 | */ |
| 1333 | |
| 1334 | void engage_docking_computer (void) |
| 1335 | { |
| 1336 | if (ship_count[SHIP_CORIOLIS] || ship_count[SHIP_DODEC]) |
| 1337 | { |
| 1338 | snd_play_sample (SND_DOCK); |
| 1339 | dock_player(); |
| 1340 | current_screen = SCR_BREAK_PATTERN; |
| 1341 | } |
| 1342 | } |
| 1343 | |
| 1344 | |
| 1345 | void update_condition(void) |
| 1346 | { |
| 1347 | if (docked) |
| 1348 | condition = COND_DOCKED; |
| 1349 | else if (energy < 50 || myship.altitude < 32 || myship.cabtemp > 224) |
| 1350 | condition = COND_ALERT; |
| 1351 | else if (energy < 128 || myship.altitude < 64 || myship.cabtemp > 192) |
| 1352 | condition = COND_RED; |
| 1353 | else { |
| 1354 | int i; |
| 1355 | condition = COND_GREEN; |
| 1356 | if (myship.altitude < 128 || myship.cabtemp >= 128) |
| 1357 | condition = COND_YELLOW; |
| 1358 | for (i = 0; i < MAX_UNIV_OBJECTS; i++) { |
| 1359 | struct univ_object *un = &universe[i]; |
| 1360 | if (un->type <= 0) |
| 1361 | continue; |
| 1362 | if (un->flags & FLG_HOSTILE) { |
| 1363 | condition = COND_RED; |
| 1364 | break; |
| 1365 | } |
| 1366 | if (condition == COND_GREEN && |
| 1367 | un->type != SHIP_ASTEROID && un->type != SHIP_CARGO && |
| 1368 | un->type != SHIP_ALLOY && un->type != SHIP_ROCK && |
| 1369 | un->type != SHIP_BOULDER && un->type != SHIP_ESCAPE_CAPSULE && |
| 1370 | un->type != SHIP_CORIOLIS && un->type != SHIP_DODEC) |
| 1371 | condition = COND_YELLOW; |
| 1372 | } |
| 1373 | } |
| 1374 | } |