| 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 | #include <string.h> |
| 17 | #include <stdlib.h> |
| 18 | #include <stdio.h> |
| 19 | #include <math.h> |
| 20 | #include <ctype.h> |
| 21 | |
| 22 | #include "config.h" |
| 23 | #include "gfx.h" |
| 24 | #include "elite.h" |
| 25 | #include "planet.h" |
| 26 | #include "shipdata.h" |
| 27 | #include "space.h" |
| 28 | |
| 29 | |
| 30 | |
| 31 | |
| 32 | |
| 33 | char *economy_type[] = {"Rich Industrial", |
| 34 | "Average Industrial", |
| 35 | "Poor Industrial", |
| 36 | "Mainly Industrial", |
| 37 | "Mainly Agricultural", |
| 38 | "Rich Agricultural", |
| 39 | "Average Agricultural", |
| 40 | "Poor Agricultural"}; |
| 41 | |
| 42 | char *government_type[] = { "Anarchy", |
| 43 | "Feudal", |
| 44 | "Multi-Government", |
| 45 | "Dictatorship", |
| 46 | "Communist", |
| 47 | "Confederacy", |
| 48 | "Democracy", |
| 49 | "Corporate State"}; |
| 50 | |
| 51 | |
| 52 | |
| 53 | |
| 54 | |
| 55 | |
| 56 | int cross_x = 0; |
| 57 | int cross_y = 0; |
| 58 | |
| 59 | |
| 60 | |
| 61 | |
| 62 | |
| 63 | |
| 64 | |
| 65 | void draw_fuel_limit_circle (int cx, int cy) |
| 66 | { |
| 67 | int radius; |
| 68 | int cross_size; |
| 69 | |
| 70 | if (current_screen == SCR_GALACTIC_CHART) |
| 71 | { |
| 72 | radius = cmdr.fuel / 4 * GFX_SCALE; |
| 73 | cross_size = 7 * GFX_SCALE; |
| 74 | } |
| 75 | else |
| 76 | { |
| 77 | radius = cmdr.fuel * GFX_SCALE; |
| 78 | cross_size = 16 * GFX_SCALE; |
| 79 | } |
| 80 | |
| 81 | gfx_draw_circle (cx, cy, radius, GFX_COL_GREEN_1); |
| 82 | |
| 83 | gfx_draw_line (cx, cy - cross_size, cx, cy + cross_size); |
| 84 | gfx_draw_line (cx - cross_size, cy, cx + cross_size, cy); |
| 85 | } |
| 86 | |
| 87 | |
| 88 | |
| 89 | |
| 90 | |
| 91 | int calc_distance_to_planet (struct galaxy_seed from_planet, struct galaxy_seed to_planet) |
| 92 | { |
| 93 | int dx,dy; |
| 94 | int light_years; |
| 95 | |
| 96 | dx = abs(to_planet.d - from_planet.d); |
| 97 | dy = abs(to_planet.b - from_planet.b); |
| 98 | |
| 99 | dx = dx * dx; |
| 100 | dy = dy / 2; |
| 101 | dy = dy * dy; |
| 102 | |
| 103 | light_years = sqrt(dx + dy); |
| 104 | light_years *= 4; |
| 105 | |
| 106 | return light_years; |
| 107 | } |
| 108 | |
| 109 | |
| 110 | void show_distance (int ypos, struct galaxy_seed from_planet, struct galaxy_seed to_planet) |
| 111 | { |
| 112 | char str[100]; |
| 113 | int light_years; |
| 114 | |
| 115 | light_years = calc_distance_to_planet (from_planet, to_planet); |
| 116 | |
| 117 | if (light_years > 0) |
| 118 | sprintf (str, "Distance: %2d.%d Light Years ", light_years / 10, light_years % 10); |
| 119 | else |
| 120 | strcpy (str," "); |
| 121 | |
| 122 | gfx_display_text (16, ypos, str); |
| 123 | } |
| 124 | |
| 125 | |
| 126 | |
| 127 | void show_distance_to_planet (void) |
| 128 | { |
| 129 | int px,py; |
| 130 | char planet_name[16]; |
| 131 | char str[32]; |
| 132 | |
| 133 | if (current_screen == SCR_GALACTIC_CHART) |
| 134 | { |
| 135 | px = cross_x / GFX_SCALE; |
| 136 | py = (cross_y - ((18 * GFX_SCALE) + 1)) * (2 / GFX_SCALE); |
| 137 | } |
| 138 | else |
| 139 | { |
| 140 | px = ((cross_x - GFX_X_CENTRE) / (4 * GFX_SCALE)) + docked_planet.d; |
| 141 | py = ((cross_y - GFX_Y_CENTRE) / (2 * GFX_SCALE)) + docked_planet.b; |
| 142 | } |
| 143 | |
| 144 | hyperspace_planet = find_planet (px, py); |
| 145 | |
| 146 | name_planet (planet_name, hyperspace_planet); |
| 147 | |
| 148 | gfx_clear_text_area(); |
| 149 | sprintf (str, "%-18s", planet_name); |
| 150 | gfx_display_text (16, 340, str); |
| 151 | |
| 152 | show_distance (356, docked_planet, hyperspace_planet); |
| 153 | |
| 154 | if (current_screen == SCR_GALACTIC_CHART) |
| 155 | { |
| 156 | cross_x = hyperspace_planet.d * GFX_SCALE; |
| 157 | cross_y = hyperspace_planet.b / (2 / GFX_SCALE) + (18 * GFX_SCALE) + 1; |
| 158 | } |
| 159 | else |
| 160 | { |
| 161 | cross_x = ((hyperspace_planet.d - docked_planet.d) * (4 * GFX_SCALE)) + GFX_X_CENTRE; |
| 162 | cross_y = ((hyperspace_planet.b - docked_planet.b) * (2 * GFX_SCALE)) + GFX_Y_CENTRE; |
| 163 | } |
| 164 | } |
| 165 | |
| 166 | |
| 167 | void move_cursor_to_origin (void) |
| 168 | { |
| 169 | if (current_screen == SCR_GALACTIC_CHART) |
| 170 | { |
| 171 | cross_x = docked_planet.d * GFX_SCALE; |
| 172 | cross_y = docked_planet.b / (2 / GFX_SCALE) + (18 * GFX_SCALE) + 1; |
| 173 | } |
| 174 | else |
| 175 | { |
| 176 | cross_x = GFX_X_CENTRE; |
| 177 | cross_y = GFX_Y_CENTRE; |
| 178 | } |
| 179 | |
| 180 | show_distance_to_planet(); |
| 181 | } |
| 182 | |
| 183 | |
| 184 | void find_planet_by_name (char *find_name) |
| 185 | { |
| 186 | int i; |
| 187 | struct galaxy_seed glx; |
| 188 | char planet_name[16]; |
| 189 | int found; |
| 190 | char str[32]; |
| 191 | |
| 192 | glx = cmdr.galaxy; |
| 193 | found = 0; |
| 194 | |
| 195 | for (i = 0; i < 256; i++) |
| 196 | { |
| 197 | name_planet (planet_name, glx); |
| 198 | |
| 199 | if (strcmp (planet_name, find_name) == 0) |
| 200 | { |
| 201 | found = 1; |
| 202 | break; |
| 203 | } |
| 204 | |
| 205 | waggle_galaxy (&glx); |
| 206 | waggle_galaxy (&glx); |
| 207 | waggle_galaxy (&glx); |
| 208 | waggle_galaxy (&glx); |
| 209 | } |
| 210 | |
| 211 | if (!found) |
| 212 | { |
| 213 | gfx_clear_text_area(); |
| 214 | gfx_display_text (16, 340, "Unknown Planet"); |
| 215 | return; |
| 216 | } |
| 217 | |
| 218 | hyperspace_planet = glx; |
| 219 | |
| 220 | gfx_clear_text_area (); |
| 221 | sprintf (str, "%-18s", planet_name); |
| 222 | gfx_display_text (16, 340, str); |
| 223 | |
| 224 | show_distance (356, docked_planet, hyperspace_planet); |
| 225 | |
| 226 | if (current_screen == SCR_GALACTIC_CHART) |
| 227 | { |
| 228 | cross_x = hyperspace_planet.d * GFX_SCALE; |
| 229 | cross_y = hyperspace_planet.b / (2 / GFX_SCALE) + (18 * GFX_SCALE) + 1; |
| 230 | } |
| 231 | else |
| 232 | { |
| 233 | cross_x = ((hyperspace_planet.d - docked_planet.d) * (4 * GFX_SCALE)) + GFX_X_CENTRE; |
| 234 | cross_y = ((hyperspace_planet.b - docked_planet.b) * (2 * GFX_SCALE)) + GFX_Y_CENTRE; |
| 235 | } |
| 236 | } |
| 237 | |
| 238 | |
| 239 | |
| 240 | void display_short_range_chart (void) |
| 241 | { |
| 242 | int i; |
| 243 | struct galaxy_seed glx; |
| 244 | int dx,dy; |
| 245 | int px,py; |
| 246 | char planet_name[16]; |
| 247 | int row_used[64]; |
| 248 | int row; |
| 249 | int blob_size; |
| 250 | |
| 251 | current_screen = SCR_SHORT_RANGE; |
| 252 | |
| 253 | gfx_clear_display(); |
| 254 | |
| 255 | gfx_display_centre_text (10, "SHORT RANGE CHART", 140, GFX_COL_GOLD); |
| 256 | |
| 257 | gfx_draw_line (0, 36, 511, 36); |
| 258 | |
| 259 | draw_fuel_limit_circle (GFX_X_CENTRE, GFX_Y_CENTRE); |
| 260 | |
| 261 | for (i = 0; i < 64; i++) |
| 262 | row_used[i] = 0; |
| 263 | |
| 264 | glx = cmdr.galaxy; |
| 265 | |
| 266 | for (i = 0; i < 256; i++) |
| 267 | { |
| 268 | |
| 269 | dx = abs (glx.d - docked_planet.d); |
| 270 | dy = abs (glx.b - docked_planet.b); |
| 271 | |
| 272 | if ((dx >= 20) || (dy >= 38)) |
| 273 | { |
| 274 | waggle_galaxy (&glx); |
| 275 | waggle_galaxy (&glx); |
| 276 | waggle_galaxy (&glx); |
| 277 | waggle_galaxy (&glx); |
| 278 | |
| 279 | continue; |
| 280 | } |
| 281 | |
| 282 | px = (glx.d - docked_planet.d); |
| 283 | px = px * 4 * GFX_SCALE + GFX_X_CENTRE; /* Convert to screen co-ords */ |
| 284 | |
| 285 | py = (glx.b - docked_planet.b); |
| 286 | py = py * 2 * GFX_SCALE + GFX_Y_CENTRE; /* Convert to screen co-ords */ |
| 287 | |
| 288 | row = py / (8 * GFX_SCALE); |
| 289 | |
| 290 | if (row_used[row] == 1) |
| 291 | row++; |
| 292 | |
| 293 | if (row_used[row] == 1) |
| 294 | row -= 2; |
| 295 | |
| 296 | if (row <= 3) |
| 297 | { |
| 298 | waggle_galaxy (&glx); |
| 299 | waggle_galaxy (&glx); |
| 300 | waggle_galaxy (&glx); |
| 301 | waggle_galaxy (&glx); |
| 302 | |
| 303 | continue; |
| 304 | } |
| 305 | |
| 306 | if (row_used[row] == 0) |
| 307 | { |
| 308 | row_used[row] = 1; |
| 309 | |
| 310 | name_planet (planet_name, glx); |
| 311 | capitalise_name (planet_name); |
| 312 | |
| 313 | gfx_display_text (px + (4 * GFX_SCALE), (row * 8 - 5) * GFX_SCALE, planet_name); |
| 314 | } |
| 315 | |
| 316 | |
| 317 | /* The next bit calculates the size of the circle used to represent */ |
| 318 | /* a planet. The carry_flag is left over from the name generation. */ |
| 319 | /* Yes this was how it was done... don't ask :-( */ |
| 320 | |
| 321 | blob_size = (glx.f & 1) + 2 + carry_flag; |
| 322 | blob_size *= GFX_SCALE; |
| 323 | gfx_draw_filled_circle (px, py, blob_size, GFX_COL_GOLD); |
| 324 | |
| 325 | waggle_galaxy (&glx); |
| 326 | waggle_galaxy (&glx); |
| 327 | waggle_galaxy (&glx); |
| 328 | waggle_galaxy (&glx); |
| 329 | } |
| 330 | |
| 331 | cross_x = ((hyperspace_planet.d - docked_planet.d) * 4 * GFX_SCALE) + GFX_X_CENTRE; |
| 332 | cross_y = ((hyperspace_planet.b - docked_planet.b) * 2 * GFX_SCALE) + GFX_Y_CENTRE; |
| 333 | } |
| 334 | |
| 335 | |
| 336 | |
| 337 | |
| 338 | void display_galactic_chart (void) |
| 339 | { |
| 340 | int i; |
| 341 | struct galaxy_seed glx; |
| 342 | char str[64]; |
| 343 | int px,py; |
| 344 | |
| 345 | |
| 346 | current_screen = SCR_GALACTIC_CHART; |
| 347 | |
| 348 | gfx_clear_display(); |
| 349 | |
| 350 | sprintf (str, "GALACTIC CHART %d", cmdr.galaxy_number + 1); |
| 351 | |
| 352 | gfx_display_centre_text (10, str, 140, GFX_COL_GOLD); |
| 353 | |
| 354 | gfx_draw_line (0, 36, 511, 36); |
| 355 | gfx_draw_line (0, 36+258, 511, 36+258); |
| 356 | |
| 357 | draw_fuel_limit_circle (docked_planet.d * GFX_SCALE, |
| 358 | (docked_planet.b / (2 / GFX_SCALE)) + (18 * GFX_SCALE) + 1); |
| 359 | |
| 360 | glx = cmdr.galaxy; |
| 361 | |
| 362 | for (i = 0; i < 256; i++) |
| 363 | { |
| 364 | px = glx.d * GFX_SCALE; |
| 365 | py = (glx.b / (2 / GFX_SCALE)) + (18 * GFX_SCALE) + 1; |
| 366 | |
| 367 | gfx_plot_pixel (px, py, GFX_COL_WHITE); |
| 368 | |
| 369 | if ((glx.e | 0x50) < 0x90) |
| 370 | gfx_plot_pixel (px + 1, py, GFX_COL_WHITE); |
| 371 | |
| 372 | waggle_galaxy (&glx); |
| 373 | waggle_galaxy (&glx); |
| 374 | waggle_galaxy (&glx); |
| 375 | waggle_galaxy (&glx); |
| 376 | |
| 377 | } |
| 378 | |
| 379 | |
| 380 | cross_x = hyperspace_planet.d * GFX_SCALE; |
| 381 | cross_y = (hyperspace_planet.b / (2 / GFX_SCALE)) + (18 * GFX_SCALE) + 1; |
| 382 | } |
| 383 | |
| 384 | |
| 385 | |
| 386 | |
| 387 | |
| 388 | /* |
| 389 | * Displays data on the currently selected Hyperspace Planet. |
| 390 | */ |
| 391 | |
| 392 | void display_data_on_planet (void) |
| 393 | { |
| 394 | char planet_name[16]; |
| 395 | char str[100]; |
| 396 | char *description; |
| 397 | struct planet_data hyper_planet_data; |
| 398 | |
| 399 | current_screen = SCR_PLANET_DATA; |
| 400 | |
| 401 | gfx_clear_display(); |
| 402 | |
| 403 | name_planet (planet_name, hyperspace_planet); |
| 404 | sprintf (str, "DATA ON %s", planet_name); |
| 405 | |
| 406 | gfx_display_centre_text (10, str, 140, GFX_COL_GOLD); |
| 407 | |
| 408 | gfx_draw_line (0, 36, 511, 36); |
| 409 | |
| 410 | |
| 411 | generate_planet_data (&hyper_planet_data, hyperspace_planet); |
| 412 | |
| 413 | show_distance (42, docked_planet, hyperspace_planet); |
| 414 | |
| 415 | sprintf (str, "Economy:%s", economy_type[hyper_planet_data.economy]); |
| 416 | gfx_display_text (16, 74, str); |
| 417 | |
| 418 | sprintf (str, "Government:%s", government_type[hyper_planet_data.government]); |
| 419 | gfx_display_text (16, 106, str); |
| 420 | |
| 421 | sprintf (str, "Tech.Level:%3d", hyper_planet_data.techlevel + 1); |
| 422 | gfx_display_text (16, 138, str); |
| 423 | |
| 424 | sprintf (str, "Population:%d.%d Billion", hyper_planet_data.population / 10, hyper_planet_data.population % 10); |
| 425 | gfx_display_text (16, 170, str); |
| 426 | |
| 427 | describe_inhabitants (str, hyperspace_planet); |
| 428 | gfx_display_text (16, 202, str); |
| 429 | |
| 430 | sprintf (str, "Gross Productivity:%5d M CR", hyper_planet_data.productivity); |
| 431 | gfx_display_text (16, 234, str); |
| 432 | |
| 433 | sprintf (str, "Average Radius:%5d km", hyper_planet_data.radius); |
| 434 | gfx_display_text (16, 266, str); |
| 435 | |
| 436 | description = describe_planet (hyperspace_planet); |
| 437 | gfx_display_pretty_text (16, 298, 400, 384, description); |
| 438 | } |
| 439 | |
| 440 | |
| 441 | |
| 442 | struct rank |
| 443 | { |
| 444 | int score; |
| 445 | char *title; |
| 446 | }; |
| 447 | |
| 448 | #define NO_OF_RANKS 9 |
| 449 | |
| 450 | struct rank rating[NO_OF_RANKS] = |
| 451 | { |
| 452 | {0x0000, "Harmless"}, |
| 453 | {0x0008, "Mostly Harmless"}, |
| 454 | {0x0010, "Poor"}, |
| 455 | {0x0020, "Average"}, |
| 456 | {0x0040, "Above Average"}, |
| 457 | {0x0080, "Competent"}, |
| 458 | {0x0200, "Dangerous"}, |
| 459 | {0x0A00, "Deadly"}, |
| 460 | {0x1900, "---- E L I T E ---"} |
| 461 | }; |
| 462 | |
| 463 | char *laser_name[5] = {"Pulse", "Beam", "Military", "Mining", "Custom"}; |
| 464 | |
| 465 | |
| 466 | |
| 467 | char *laser_type (int strength) |
| 468 | { |
| 469 | switch (strength) |
| 470 | { |
| 471 | case PULSE_LASER: |
| 472 | return laser_name[0]; |
| 473 | |
| 474 | case BEAM_LASER: |
| 475 | return laser_name[1]; |
| 476 | |
| 477 | case MILITARY_LASER: |
| 478 | return laser_name[2]; |
| 479 | |
| 480 | case MINING_LASER: |
| 481 | return laser_name[3]; |
| 482 | } |
| 483 | |
| 484 | return laser_name[4]; |
| 485 | } |
| 486 | |
| 487 | |
| 488 | #define EQUIP_START_Y 202 |
| 489 | #define EQUIP_START_X 50 |
| 490 | #define EQUIP_MAX_Y 290 |
| 491 | #define EQUIP_WIDTH 200 |
| 492 | #define Y_INC 16 |
| 493 | |
| 494 | |
| 495 | static char *condition_txt[] = |
| 496 | { |
| 497 | "Docked", |
| 498 | "Green", |
| 499 | "Yellow", |
| 500 | "Red" |
| 501 | }; |
| 502 | |
| 503 | void display_commander_status (void) |
| 504 | { |
| 505 | char planet_name[16]; |
| 506 | char str[100]; |
| 507 | int i; |
| 508 | int x,y; |
| 509 | int condition; |
| 510 | int type; |
| 511 | |
| 512 | current_screen = SCR_CMDR_STATUS; |
| 513 | |
| 514 | gfx_clear_display(); |
| 515 | |
| 516 | sprintf (str, "COMMANDER %s", cmdr.name); |
| 517 | |
| 518 | gfx_display_centre_text (10, str, 140, GFX_COL_GOLD); |
| 519 | |
| 520 | gfx_draw_line (0, 36, 511, 36); |
| 521 | |
| 522 | |
| 523 | gfx_display_colour_text (16, 58, "Present System:", GFX_COL_GREEN_1); |
| 524 | |
| 525 | if (!witchspace) |
| 526 | { |
| 527 | name_planet (planet_name, docked_planet); |
| 528 | capitalise_name (planet_name); |
| 529 | sprintf (str, "%s", planet_name); |
| 530 | gfx_display_text (190, 58, str); |
| 531 | } |
| 532 | |
| 533 | gfx_display_colour_text (16, 74, "Hyperspace System:", GFX_COL_GREEN_1); |
| 534 | name_planet (planet_name, hyperspace_planet); |
| 535 | capitalise_name (planet_name); |
| 536 | sprintf (str, "%s", planet_name); |
| 537 | gfx_display_text (190, 74, str); |
| 538 | |
| 539 | if (docked) |
| 540 | condition = 0; |
| 541 | else |
| 542 | { |
| 543 | condition = 1; |
| 544 | |
| 545 | for (i = 0; i < MAX_UNIV_OBJECTS; i++) |
| 546 | { |
| 547 | type = universe[i].type; |
| 548 | |
| 549 | if ((type == SHIP_MISSILE) || |
| 550 | ((type > SHIP_ROCK) && (type < SHIP_DODEC))) |
| 551 | { |
| 552 | condition = 2; |
| 553 | break; |
| 554 | } |
| 555 | } |
| 556 | |
| 557 | if ((condition == 2) && (energy < 128)) |
| 558 | condition = 3; |
| 559 | } |
| 560 | |
| 561 | gfx_display_colour_text (16, 90, "Condition:", GFX_COL_GREEN_1); |
| 562 | gfx_display_text (190, 90, condition_txt[condition]); |
| 563 | |
| 564 | sprintf (str, "%d.%d Light Years", cmdr.fuel / 10, cmdr.fuel % 10); |
| 565 | gfx_display_colour_text (16, 106, "Fuel:", GFX_COL_GREEN_1); |
| 566 | gfx_display_text (70, 106, str); |
| 567 | |
| 568 | sprintf (str, "%d.%d Cr", cmdr.credits / 10, cmdr.credits % 10); |
| 569 | gfx_display_colour_text (16, 122, "Cash:", GFX_COL_GREEN_1); |
| 570 | gfx_display_text (70, 122, str); |
| 571 | |
| 572 | if (cmdr.legal_status == 0) |
| 573 | strcpy (str, "Clean"); |
| 574 | else |
| 575 | strcpy (str, cmdr.legal_status > 50 ? "Fugitive" : "Offender"); |
| 576 | |
| 577 | gfx_display_colour_text (16, 138, "Legal Status:", GFX_COL_GREEN_1); |
| 578 | gfx_display_text (128, 138, str); |
| 579 | |
| 580 | for (i = 0; i < NO_OF_RANKS; i++) |
| 581 | if (cmdr.score >= rating[i].score) |
| 582 | strcpy (str, rating[i].title); |
| 583 | |
| 584 | gfx_display_colour_text (16, 154, "Rating:", GFX_COL_GREEN_1); |
| 585 | gfx_display_text (80, 154, str); |
| 586 | |
| 587 | gfx_display_colour_text (16, 186, "EQUIPMENT:", GFX_COL_GREEN_1); |
| 588 | |
| 589 | x = EQUIP_START_X; |
| 590 | y = EQUIP_START_Y; |
| 591 | |
| 592 | if (cmdr.cargo_capacity > 20) |
| 593 | { |
| 594 | gfx_display_text (x, y, "Large Cargo Bay"); |
| 595 | y += Y_INC; |
| 596 | } |
| 597 | |
| 598 | if (cmdr.escape_pod) |
| 599 | { |
| 600 | gfx_display_text (x, y, "Escape Pod"); |
| 601 | y += Y_INC; |
| 602 | } |
| 603 | |
| 604 | if (cmdr.fuel_scoop) |
| 605 | { |
| 606 | gfx_display_text (x, y, "Fuel Scoops"); |
| 607 | y += Y_INC; |
| 608 | } |
| 609 | |
| 610 | if (cmdr.ecm) |
| 611 | { |
| 612 | gfx_display_text (x, y, "E.C.M. System"); |
| 613 | y += Y_INC; |
| 614 | } |
| 615 | |
| 616 | if (cmdr.energy_bomb) |
| 617 | { |
| 618 | gfx_display_text (x, y, "Energy Bomb"); |
| 619 | y += Y_INC; |
| 620 | } |
| 621 | |
| 622 | if (cmdr.energy_unit) |
| 623 | { |
| 624 | gfx_display_text (x, y, |
| 625 | cmdr.energy_unit == 1 ? "Extra Energy Unit" :"Naval Energy Unit"); |
| 626 | y += Y_INC; |
| 627 | if (y > EQUIP_MAX_Y) |
| 628 | { |
| 629 | y = EQUIP_START_Y; |
| 630 | x += EQUIP_WIDTH; |
| 631 | } |
| 632 | } |
| 633 | |
| 634 | if (cmdr.docking_computer) |
| 635 | { |
| 636 | gfx_display_text (x, y, "Docking Computers"); |
| 637 | y += Y_INC; |
| 638 | if (y > EQUIP_MAX_Y) |
| 639 | { |
| 640 | y = EQUIP_START_Y; |
| 641 | x += EQUIP_WIDTH; |
| 642 | } |
| 643 | } |
| 644 | |
| 645 | |
| 646 | if (cmdr.galactic_hyperdrive) |
| 647 | { |
| 648 | gfx_display_text (x, y, "Galactic Hyperspace"); |
| 649 | y += Y_INC; |
| 650 | if (y > EQUIP_MAX_Y) |
| 651 | { |
| 652 | y = EQUIP_START_Y; |
| 653 | x += EQUIP_WIDTH; |
| 654 | } |
| 655 | } |
| 656 | |
| 657 | if (cmdr.front_laser) |
| 658 | { |
| 659 | sprintf (str, "Front %s Laser", laser_type(cmdr.front_laser)); |
| 660 | gfx_display_text (x, y, str); |
| 661 | y += Y_INC; |
| 662 | if (y > EQUIP_MAX_Y) |
| 663 | { |
| 664 | y = EQUIP_START_Y; |
| 665 | x += EQUIP_WIDTH; |
| 666 | } |
| 667 | } |
| 668 | |
| 669 | if (cmdr.rear_laser) |
| 670 | { |
| 671 | sprintf (str, "Rear %s Laser", laser_type(cmdr.rear_laser)); |
| 672 | gfx_display_text (x, y, str); |
| 673 | y += Y_INC; |
| 674 | if (y > EQUIP_MAX_Y) |
| 675 | { |
| 676 | y = EQUIP_START_Y; |
| 677 | x += EQUIP_WIDTH; |
| 678 | } |
| 679 | } |
| 680 | |
| 681 | if (cmdr.left_laser) |
| 682 | { |
| 683 | sprintf (str, "Left %s Laser", laser_type(cmdr.left_laser)); |
| 684 | gfx_display_text (x, y, str); |
| 685 | y += Y_INC; |
| 686 | if (y > EQUIP_MAX_Y) |
| 687 | { |
| 688 | y = EQUIP_START_Y; |
| 689 | x += EQUIP_WIDTH; |
| 690 | } |
| 691 | } |
| 692 | |
| 693 | if (cmdr.right_laser) |
| 694 | { |
| 695 | sprintf (str, "Right %s Laser", laser_type(cmdr.right_laser)); |
| 696 | gfx_display_text (x, y, str); |
| 697 | } |
| 698 | } |
| 699 | |
| 700 | |
| 701 | |
| 702 | /***********************************************************************************/ |
| 703 | |
| 704 | #define TONNES 0 |
| 705 | #define KILOGRAMS 1 |
| 706 | #define GRAMS 2 |
| 707 | |
| 708 | static int hilite_item; |
| 709 | static char *unit_name[] = {"t", "kg", "g"}; |
| 710 | |
| 711 | |
| 712 | void display_stock_price (int i) |
| 713 | { |
| 714 | int y; |
| 715 | char str[100]; |
| 716 | |
| 717 | y = i * 15 + 55; |
| 718 | |
| 719 | gfx_display_text (16, y, stock_market[i].name); |
| 720 | |
| 721 | gfx_display_text (180, y, unit_name[stock_market[i].units]); |
| 722 | sprintf (str, "%d.%d", stock_market[i].current_price / 10, |
| 723 | stock_market[i].current_price % 10); |
| 724 | gfx_display_text (256, y, str); |
| 725 | |
| 726 | if (stock_market[i].current_quantity > 0) |
| 727 | sprintf (str, "%d%s", stock_market[i].current_quantity, |
| 728 | unit_name[stock_market[i].units]); |
| 729 | else |
| 730 | strcpy (str, "-"); |
| 731 | |
| 732 | gfx_display_text (338, y, str); |
| 733 | |
| 734 | if (cmdr.current_cargo[i] > 0) |
| 735 | sprintf (str, "%d%s", cmdr.current_cargo[i], |
| 736 | unit_name[stock_market[i].units]); |
| 737 | else |
| 738 | strcpy (str, "-"); |
| 739 | |
| 740 | gfx_display_text (444, y, str); |
| 741 | } |
| 742 | |
| 743 | |
| 744 | void highlight_stock (int i) |
| 745 | { |
| 746 | int y; |
| 747 | char str[30]; |
| 748 | |
| 749 | if ((hilite_item != -1) && (hilite_item != i)) |
| 750 | { |
| 751 | y = hilite_item * 15 + 55; |
| 752 | gfx_clear_area (2, y, 510, y + 15); |
| 753 | display_stock_price (hilite_item); |
| 754 | } |
| 755 | |
| 756 | y = i * 15 + 55; |
| 757 | |
| 758 | gfx_draw_rectangle (2, y, 510, y + 15, GFX_COL_DARK_RED); |
| 759 | display_stock_price (i); |
| 760 | |
| 761 | hilite_item = i; |
| 762 | |
| 763 | gfx_clear_text_area(); |
| 764 | sprintf (str, "Cash: %d.%d", cmdr.credits / 10, cmdr.credits % 10); |
| 765 | gfx_display_text (16, 340, str); |
| 766 | } |
| 767 | |
| 768 | void select_previous_stock (void) |
| 769 | { |
| 770 | if ((!docked) || (hilite_item == 0)) |
| 771 | return; |
| 772 | |
| 773 | highlight_stock (hilite_item - 1); |
| 774 | } |
| 775 | |
| 776 | void select_next_stock (void) |
| 777 | { |
| 778 | if ((!docked) || (hilite_item == 16)) |
| 779 | return; |
| 780 | |
| 781 | highlight_stock (hilite_item + 1); |
| 782 | } |
| 783 | |
| 784 | |
| 785 | void buy_stock (void) |
| 786 | { |
| 787 | struct stock_item *item; |
| 788 | int cargo_held; |
| 789 | |
| 790 | if (!docked) |
| 791 | return; |
| 792 | |
| 793 | item = &stock_market[hilite_item]; |
| 794 | |
| 795 | if ((item->current_quantity == 0) || |
| 796 | (cmdr.credits < item->current_price)) |
| 797 | return; |
| 798 | |
| 799 | cargo_held = total_cargo(); |
| 800 | |
| 801 | if ((item->units == TONNES) && |
| 802 | (cargo_held == cmdr.cargo_capacity)) |
| 803 | return; |
| 804 | |
| 805 | cmdr.current_cargo[hilite_item]++; |
| 806 | item->current_quantity--; |
| 807 | cmdr.credits -= item->current_price; |
| 808 | |
| 809 | highlight_stock (hilite_item); |
| 810 | } |
| 811 | |
| 812 | |
| 813 | void sell_stock (void) |
| 814 | { |
| 815 | struct stock_item *item; |
| 816 | |
| 817 | if ((!docked) || (cmdr.current_cargo[hilite_item] == 0)) |
| 818 | return; |
| 819 | |
| 820 | item = &stock_market[hilite_item]; |
| 821 | |
| 822 | cmdr.current_cargo[hilite_item]--; |
| 823 | item->current_quantity++; |
| 824 | cmdr.credits += item->current_price; |
| 825 | |
| 826 | highlight_stock (hilite_item); |
| 827 | } |
| 828 | |
| 829 | |
| 830 | |
| 831 | void display_market_prices (void) |
| 832 | { |
| 833 | char str[100]; |
| 834 | char planet_name[16]; |
| 835 | int i; |
| 836 | |
| 837 | current_screen = SCR_MARKET_PRICES; |
| 838 | |
| 839 | gfx_clear_display(); |
| 840 | |
| 841 | name_planet (planet_name, docked_planet); |
| 842 | sprintf (str, "%s MARKET PRICES", planet_name); |
| 843 | gfx_display_centre_text (10, str, 140, GFX_COL_GOLD); |
| 844 | |
| 845 | gfx_draw_line (0, 36, 511, 36); |
| 846 | |
| 847 | gfx_display_colour_text (16, 40, "PRODUCT", GFX_COL_GREEN_1); |
| 848 | gfx_display_colour_text (166, 40, "UNIT", GFX_COL_GREEN_1); |
| 849 | gfx_display_colour_text (246, 40, "PRICE", GFX_COL_GREEN_1); |
| 850 | gfx_display_colour_text (314, 40, "FOR SALE", GFX_COL_GREEN_1); |
| 851 | gfx_display_colour_text (420, 40, "IN HOLD", GFX_COL_GREEN_1); |
| 852 | |
| 853 | for (i = 0; i < 17; i++) |
| 854 | { |
| 855 | display_stock_price (i); |
| 856 | } |
| 857 | |
| 858 | if (docked) |
| 859 | { |
| 860 | hilite_item = -1; |
| 861 | highlight_stock (0); |
| 862 | } |
| 863 | } |
| 864 | |
| 865 | |
| 866 | void display_inventory (void) |
| 867 | { |
| 868 | int i; |
| 869 | int y; |
| 870 | char str[80]; |
| 871 | |
| 872 | current_screen = SCR_INVENTORY; |
| 873 | |
| 874 | gfx_clear_display(); |
| 875 | gfx_display_centre_text (10, "INVENTORY", 140, GFX_COL_GOLD); |
| 876 | gfx_draw_line (0, 36, 511, 36); |
| 877 | |
| 878 | sprintf (str, "%d.%d Light Years", cmdr.fuel / 10, cmdr.fuel % 10); |
| 879 | gfx_display_colour_text (16, 50, "Fuel:", GFX_COL_GREEN_1); |
| 880 | gfx_display_text (70, 50, str); |
| 881 | |
| 882 | sprintf (str, "%d.%d Cr", cmdr.credits / 10, cmdr.credits % 10); |
| 883 | gfx_display_colour_text (16, 66, "Cash:", GFX_COL_GREEN_1); |
| 884 | gfx_display_text (70, 66, str); |
| 885 | |
| 886 | y = 98; |
| 887 | for (i = 0; i < 17; i++) |
| 888 | { |
| 889 | if (cmdr.current_cargo[i] > 0) |
| 890 | { |
| 891 | gfx_display_text (16, y, stock_market[i].name); |
| 892 | |
| 893 | sprintf (str, "%d%s", cmdr.current_cargo[i], |
| 894 | unit_name[stock_market[i].units]); |
| 895 | |
| 896 | gfx_display_text (180, y, str); |
| 897 | y += 16; |
| 898 | } |
| 899 | } |
| 900 | } |
| 901 | |
| 902 | /***********************************************************************************/ |
| 903 | |
| 904 | enum equip_types |
| 905 | { |
| 906 | EQ_FUEL, EQ_MISSILE, EQ_CARGO_BAY, EQ_ECM, EQ_FUEL_SCOOPS, |
| 907 | EQ_ESCAPE_POD, EQ_ENERGY_BOMB, EQ_ENERGY_UNIT, EQ_DOCK_COMP, |
| 908 | EQ_GAL_DRIVE, EQ_PULSE_LASER, EQ_FRONT_PULSE, EQ_REAR_PULSE, |
| 909 | EQ_LEFT_PULSE, EQ_RIGHT_PULSE, EQ_BEAM_LASER, EQ_FRONT_BEAM, |
| 910 | EQ_REAR_BEAM, EQ_LEFT_BEAM, EQ_RIGHT_BEAM, EQ_MINING_LASER, |
| 911 | EQ_FRONT_MINING, EQ_REAR_MINING, EQ_LEFT_MINING, EQ_RIGHT_MINING, |
| 912 | EQ_MILITARY_LASER, EQ_FRONT_MILITARY, EQ_REAR_MILITARY, |
| 913 | EQ_LEFT_MILITARY, EQ_RIGHT_MILITARY |
| 914 | }; |
| 915 | |
| 916 | |
| 917 | |
| 918 | #define NO_OF_EQUIP_ITEMS 34 |
| 919 | |
| 920 | struct equip_item |
| 921 | { |
| 922 | int canbuy; |
| 923 | int y; |
| 924 | int show; |
| 925 | int level; |
| 926 | int price; |
| 927 | char *name; |
| 928 | int type; |
| 929 | }; |
| 930 | |
| 931 | struct equip_item equip_stock[NO_OF_EQUIP_ITEMS] = |
| 932 | { |
| 933 | {0, 0, 1, 1, 2, " Fuel", EQ_FUEL}, |
| 934 | {0, 0, 1, 1, 300, " Missile", EQ_MISSILE}, |
| 935 | {0, 0, 1, 1, 4000, " Large Cargo Bay", EQ_CARGO_BAY}, |
| 936 | {0, 0, 1, 2, 6000, " E.C.M. System", EQ_ECM}, |
| 937 | {0, 0, 1, 5, 5250, " Fuel Scoops", EQ_FUEL_SCOOPS}, |
| 938 | {0, 0, 1, 6, 10000, " Escape Pod", EQ_ESCAPE_POD}, |
| 939 | {0, 0, 1, 7, 9000, " Energy Bomb", EQ_ENERGY_BOMB}, |
| 940 | {0, 0, 1, 8, 15000, " Extra Energy Unit", EQ_ENERGY_UNIT}, |
| 941 | {0, 0, 1, 9, 15000, " Docking Computers", EQ_DOCK_COMP}, |
| 942 | {0, 0, 1,10, 50000, " Galactic Hyperdrive", EQ_GAL_DRIVE}, |
| 943 | {0, 0, 0, 3, 4000, "+Pulse Laser", EQ_PULSE_LASER}, |
| 944 | {0, 0, 1, 3, 0, "-Pulse Laser", EQ_PULSE_LASER}, |
| 945 | {0, 0, 1, 3, 4000, ">Front", EQ_FRONT_PULSE}, |
| 946 | {0, 0, 1, 3, 4000, ">Rear", EQ_REAR_PULSE}, |
| 947 | {0, 0, 1, 3, 4000, ">Left", EQ_LEFT_PULSE}, |
| 948 | {0, 0, 1, 3, 4000, ">Right", EQ_RIGHT_PULSE}, |
| 949 | {0, 0, 1, 4, 10000, "+Beam Laser", EQ_BEAM_LASER}, |
| 950 | {0, 0, 0, 4, 0, "-Beam Laser", EQ_BEAM_LASER}, |
| 951 | {0, 0, 0, 4, 10000, ">Front", EQ_FRONT_BEAM}, |
| 952 | {0, 0, 0, 4, 10000, ">Rear", EQ_REAR_BEAM}, |
| 953 | {0, 0, 0, 4, 10000, ">Left", EQ_LEFT_BEAM}, |
| 954 | {0, 0, 0, 4, 10000, ">Right", EQ_RIGHT_BEAM}, |
| 955 | {0, 0, 1,10, 8000, "+Mining Laser", EQ_MINING_LASER}, |
| 956 | {0, 0, 0,10, 0, "-Mining Laser", EQ_MINING_LASER}, |
| 957 | {0, 0, 0,10, 8000, ">Front", EQ_FRONT_MINING}, |
| 958 | {0, 0, 0,10, 8000, ">Rear", EQ_REAR_MINING}, |
| 959 | {0, 0, 0,10, 8000, ">Left", EQ_LEFT_MINING}, |
| 960 | {0, 0, 0,10, 8000, ">Right", EQ_RIGHT_MINING}, |
| 961 | {0, 0, 1,10, 60000, "+Military Laser", EQ_MILITARY_LASER}, |
| 962 | {0, 0, 0,10, 0, "-Military Laser", EQ_MILITARY_LASER}, |
| 963 | {0, 0, 0,10, 60000, ">Front", EQ_FRONT_MILITARY}, |
| 964 | {0, 0, 0,10, 60000, ">Rear", EQ_REAR_MILITARY}, |
| 965 | {0, 0, 0,10, 60000, ">Left", EQ_LEFT_MILITARY}, |
| 966 | {0, 0, 0,10, 60000, ">Right", EQ_RIGHT_MILITARY} |
| 967 | }; |
| 968 | |
| 969 | |
| 970 | int equip_present (int type) |
| 971 | { |
| 972 | switch (type) |
| 973 | { |
| 974 | case EQ_FUEL: |
| 975 | return (cmdr.fuel >= 70); |
| 976 | |
| 977 | case EQ_MISSILE: |
| 978 | return (cmdr.missiles >= 4); |
| 979 | |
| 980 | case EQ_CARGO_BAY: |
| 981 | return (cmdr.cargo_capacity > 20); |
| 982 | |
| 983 | case EQ_ECM: |
| 984 | return cmdr.ecm; |
| 985 | |
| 986 | case EQ_FUEL_SCOOPS: |
| 987 | return cmdr.fuel_scoop; |
| 988 | |
| 989 | case EQ_ESCAPE_POD: |
| 990 | return cmdr.escape_pod; |
| 991 | |
| 992 | case EQ_ENERGY_BOMB: |
| 993 | return cmdr.energy_bomb; |
| 994 | |
| 995 | case EQ_ENERGY_UNIT: |
| 996 | return cmdr.energy_unit; |
| 997 | |
| 998 | case EQ_DOCK_COMP: |
| 999 | return cmdr.docking_computer; |
| 1000 | |
| 1001 | case EQ_GAL_DRIVE: |
| 1002 | return cmdr.galactic_hyperdrive; |
| 1003 | |
| 1004 | case EQ_FRONT_PULSE: |
| 1005 | return (cmdr.front_laser == PULSE_LASER); |
| 1006 | |
| 1007 | case EQ_REAR_PULSE: |
| 1008 | return (cmdr.rear_laser == PULSE_LASER); |
| 1009 | |
| 1010 | case EQ_LEFT_PULSE: |
| 1011 | return (cmdr.left_laser == PULSE_LASER); |
| 1012 | |
| 1013 | case EQ_RIGHT_PULSE: |
| 1014 | return (cmdr.right_laser == PULSE_LASER); |
| 1015 | |
| 1016 | case EQ_FRONT_BEAM: |
| 1017 | return (cmdr.front_laser == BEAM_LASER); |
| 1018 | |
| 1019 | case EQ_REAR_BEAM: |
| 1020 | return (cmdr.rear_laser == BEAM_LASER); |
| 1021 | |
| 1022 | case EQ_LEFT_BEAM: |
| 1023 | return (cmdr.left_laser == BEAM_LASER); |
| 1024 | |
| 1025 | case EQ_RIGHT_BEAM: |
| 1026 | return (cmdr.right_laser == BEAM_LASER); |
| 1027 | |
| 1028 | case EQ_FRONT_MINING: |
| 1029 | return (cmdr.front_laser == MINING_LASER); |
| 1030 | |
| 1031 | case EQ_REAR_MINING: |
| 1032 | return (cmdr.rear_laser == MINING_LASER); |
| 1033 | |
| 1034 | case EQ_LEFT_MINING: |
| 1035 | return (cmdr.left_laser == MINING_LASER); |
| 1036 | |
| 1037 | case EQ_RIGHT_MINING: |
| 1038 | return (cmdr.right_laser == MINING_LASER); |
| 1039 | |
| 1040 | case EQ_FRONT_MILITARY: |
| 1041 | return (cmdr.front_laser == MILITARY_LASER); |
| 1042 | |
| 1043 | case EQ_REAR_MILITARY: |
| 1044 | return (cmdr.rear_laser == MILITARY_LASER); |
| 1045 | |
| 1046 | case EQ_LEFT_MILITARY: |
| 1047 | return (cmdr.left_laser == MILITARY_LASER); |
| 1048 | |
| 1049 | case EQ_RIGHT_MILITARY: |
| 1050 | return (cmdr.right_laser == MILITARY_LASER); |
| 1051 | } |
| 1052 | |
| 1053 | return 0; |
| 1054 | } |
| 1055 | |
| 1056 | |
| 1057 | void display_equip_price (int i) |
| 1058 | { |
| 1059 | int x, y; |
| 1060 | int col; |
| 1061 | char str[100]; |
| 1062 | |
| 1063 | y = equip_stock[i].y; |
| 1064 | if (y == 0) |
| 1065 | return; |
| 1066 | |
| 1067 | col = equip_stock[i].canbuy ? GFX_COL_WHITE : GFX_COL_GREY_1; |
| 1068 | |
| 1069 | x = *(equip_stock[i].name) == '>' ? 50 : 16; |
| 1070 | |
| 1071 | gfx_display_colour_text (x, y, &equip_stock[i].name[1], col); |
| 1072 | |
| 1073 | if (equip_stock[i].price != 0) |
| 1074 | { |
| 1075 | sprintf (str, "%d.%d", equip_stock[i].price / 10, equip_stock[i].price % 10); |
| 1076 | gfx_display_colour_text (338, y, str, col); |
| 1077 | } |
| 1078 | } |
| 1079 | |
| 1080 | |
| 1081 | void highlight_equip (int i) |
| 1082 | { |
| 1083 | int y; |
| 1084 | char str[30]; |
| 1085 | |
| 1086 | if ((hilite_item != -1) && (hilite_item != i)) |
| 1087 | { |
| 1088 | y = equip_stock[hilite_item].y; |
| 1089 | gfx_clear_area (2, y+1, 510, y + 15); |
| 1090 | display_equip_price (hilite_item); |
| 1091 | } |
| 1092 | |
| 1093 | y = equip_stock[i].y; |
| 1094 | |
| 1095 | gfx_draw_rectangle (2, y+1, 510, y + 15, GFX_COL_DARK_RED); |
| 1096 | display_equip_price (i); |
| 1097 | |
| 1098 | hilite_item = i; |
| 1099 | |
| 1100 | gfx_clear_text_area(); |
| 1101 | sprintf (str, "Cash: %d.%d", cmdr.credits / 10, cmdr.credits % 10); |
| 1102 | gfx_display_text (16, 340, str); |
| 1103 | } |
| 1104 | |
| 1105 | |
| 1106 | void select_next_equip (void) |
| 1107 | { |
| 1108 | int next; |
| 1109 | int i; |
| 1110 | |
| 1111 | if (hilite_item == (NO_OF_EQUIP_ITEMS - 1)) |
| 1112 | return; |
| 1113 | |
| 1114 | next = hilite_item; |
| 1115 | for (i = hilite_item + 1; i < NO_OF_EQUIP_ITEMS; i++) |
| 1116 | { |
| 1117 | if (equip_stock[i].y != 0) |
| 1118 | { |
| 1119 | next = i; |
| 1120 | break; |
| 1121 | } |
| 1122 | } |
| 1123 | |
| 1124 | if (next != hilite_item) |
| 1125 | highlight_equip (next); |
| 1126 | } |
| 1127 | |
| 1128 | void select_previous_equip (void) |
| 1129 | { |
| 1130 | int i; |
| 1131 | int prev; |
| 1132 | |
| 1133 | if (hilite_item == 0) |
| 1134 | return; |
| 1135 | |
| 1136 | prev = hilite_item; |
| 1137 | for (i = hilite_item - 1; i >= 0; i--) |
| 1138 | { |
| 1139 | if (equip_stock[i].y != 0) |
| 1140 | { |
| 1141 | prev = i; |
| 1142 | break; |
| 1143 | } |
| 1144 | } |
| 1145 | |
| 1146 | if (prev != hilite_item) |
| 1147 | highlight_equip (prev); |
| 1148 | } |
| 1149 | |
| 1150 | |
| 1151 | void list_equip_prices (void) |
| 1152 | { |
| 1153 | int i; |
| 1154 | int y; |
| 1155 | int tech_level; |
| 1156 | |
| 1157 | gfx_clear_area (2, 55, 510, 380); |
| 1158 | |
| 1159 | tech_level = current_planet_data.techlevel + 1; |
| 1160 | |
| 1161 | equip_stock[0].price = (70 - cmdr.fuel) * 2; |
| 1162 | |
| 1163 | y = 55; |
| 1164 | for (i = 0; i < NO_OF_EQUIP_ITEMS; i++) |
| 1165 | { |
| 1166 | equip_stock[i].canbuy = ((equip_present (equip_stock[i].type) == 0) && |
| 1167 | (equip_stock[i].price <= cmdr.credits)); |
| 1168 | |
| 1169 | if (equip_stock[i].show && (tech_level >= equip_stock[i].level)) |
| 1170 | { |
| 1171 | equip_stock[i].y = y; |
| 1172 | y += 15; |
| 1173 | } |
| 1174 | else |
| 1175 | equip_stock[i].y = 0; |
| 1176 | |
| 1177 | display_equip_price (i); |
| 1178 | } |
| 1179 | |
| 1180 | i = hilite_item; |
| 1181 | hilite_item = -1; |
| 1182 | highlight_equip (i); |
| 1183 | } |
| 1184 | |
| 1185 | |
| 1186 | void collapse_equip_list (void) |
| 1187 | { |
| 1188 | int i; |
| 1189 | int ch; |
| 1190 | |
| 1191 | for (i = 0; i < NO_OF_EQUIP_ITEMS; i++) |
| 1192 | { |
| 1193 | ch = *(equip_stock[i].name); |
| 1194 | equip_stock[i].show = ((ch == ' ') || (ch == '+')); |
| 1195 | } |
| 1196 | } |
| 1197 | |
| 1198 | |
| 1199 | int laser_refund (int laser_type) |
| 1200 | { |
| 1201 | switch (laser_type) |
| 1202 | { |
| 1203 | case PULSE_LASER: |
| 1204 | return 4000; |
| 1205 | |
| 1206 | case BEAM_LASER: |
| 1207 | return 10000; |
| 1208 | |
| 1209 | case MILITARY_LASER: |
| 1210 | return 60000; |
| 1211 | |
| 1212 | case MINING_LASER: |
| 1213 | return 8000; |
| 1214 | } |
| 1215 | |
| 1216 | return 0; |
| 1217 | } |
| 1218 | |
| 1219 | |
| 1220 | void buy_equip (void) |
| 1221 | { |
| 1222 | int i; |
| 1223 | |
| 1224 | if (equip_stock[hilite_item].name[0] == '+') |
| 1225 | { |
| 1226 | collapse_equip_list(); |
| 1227 | equip_stock[hilite_item].show = 0; |
| 1228 | hilite_item++; |
| 1229 | for (i = 0; i < 5; i++) |
| 1230 | equip_stock[hilite_item + i].show = 1; |
| 1231 | |
| 1232 | list_equip_prices(); |
| 1233 | return; |
| 1234 | } |
| 1235 | |
| 1236 | if (equip_stock[hilite_item].canbuy == 0) |
| 1237 | return; |
| 1238 | |
| 1239 | switch (equip_stock[hilite_item].type) |
| 1240 | { |
| 1241 | case EQ_FUEL: |
| 1242 | cmdr.fuel = myship.max_fuel; |
| 1243 | update_console(); |
| 1244 | break; |
| 1245 | |
| 1246 | case EQ_MISSILE: |
| 1247 | cmdr.missiles++; |
| 1248 | update_console(); |
| 1249 | break; |
| 1250 | |
| 1251 | case EQ_CARGO_BAY: |
| 1252 | cmdr.cargo_capacity = 35; |
| 1253 | break; |
| 1254 | |
| 1255 | case EQ_ECM: |
| 1256 | cmdr.ecm = 1; |
| 1257 | break; |
| 1258 | |
| 1259 | case EQ_FUEL_SCOOPS: |
| 1260 | cmdr.fuel_scoop = 1; |
| 1261 | break; |
| 1262 | |
| 1263 | case EQ_ESCAPE_POD: |
| 1264 | cmdr.escape_pod = 1; |
| 1265 | break; |
| 1266 | |
| 1267 | case EQ_ENERGY_BOMB: |
| 1268 | cmdr.energy_bomb = 1; |
| 1269 | break; |
| 1270 | |
| 1271 | case EQ_ENERGY_UNIT: |
| 1272 | cmdr.energy_unit = 1; |
| 1273 | break; |
| 1274 | |
| 1275 | case EQ_DOCK_COMP: |
| 1276 | cmdr.docking_computer = 1; |
| 1277 | break; |
| 1278 | |
| 1279 | case EQ_GAL_DRIVE: |
| 1280 | cmdr.galactic_hyperdrive = 1; |
| 1281 | break; |
| 1282 | |
| 1283 | case EQ_FRONT_PULSE: |
| 1284 | cmdr.credits += laser_refund (cmdr.front_laser); |
| 1285 | cmdr.front_laser = PULSE_LASER; |
| 1286 | break; |
| 1287 | |
| 1288 | case EQ_REAR_PULSE: |
| 1289 | cmdr.credits += laser_refund (cmdr.rear_laser); |
| 1290 | cmdr.rear_laser = PULSE_LASER; |
| 1291 | break; |
| 1292 | |
| 1293 | case EQ_LEFT_PULSE: |
| 1294 | cmdr.credits += laser_refund (cmdr.left_laser); |
| 1295 | cmdr.left_laser = PULSE_LASER; |
| 1296 | break; |
| 1297 | |
| 1298 | case EQ_RIGHT_PULSE: |
| 1299 | cmdr.credits += laser_refund (cmdr.right_laser); |
| 1300 | cmdr.right_laser = PULSE_LASER; |
| 1301 | break; |
| 1302 | |
| 1303 | case EQ_FRONT_BEAM: |
| 1304 | cmdr.credits += laser_refund (cmdr.front_laser); |
| 1305 | cmdr.front_laser = BEAM_LASER; |
| 1306 | break; |
| 1307 | |
| 1308 | case EQ_REAR_BEAM: |
| 1309 | cmdr.credits += laser_refund (cmdr.rear_laser); |
| 1310 | cmdr.rear_laser = BEAM_LASER; |
| 1311 | break; |
| 1312 | |
| 1313 | case EQ_LEFT_BEAM: |
| 1314 | cmdr.credits += laser_refund (cmdr.left_laser); |
| 1315 | cmdr.left_laser = BEAM_LASER; |
| 1316 | break; |
| 1317 | |
| 1318 | case EQ_RIGHT_BEAM: |
| 1319 | cmdr.credits += laser_refund (cmdr.right_laser); |
| 1320 | cmdr.right_laser = BEAM_LASER; |
| 1321 | break; |
| 1322 | |
| 1323 | case EQ_FRONT_MINING: |
| 1324 | cmdr.credits += laser_refund (cmdr.front_laser); |
| 1325 | cmdr.front_laser = MINING_LASER; |
| 1326 | break; |
| 1327 | |
| 1328 | case EQ_REAR_MINING: |
| 1329 | cmdr.credits += laser_refund (cmdr.rear_laser); |
| 1330 | cmdr.rear_laser = MINING_LASER; |
| 1331 | break; |
| 1332 | |
| 1333 | case EQ_LEFT_MINING: |
| 1334 | cmdr.credits += laser_refund (cmdr.left_laser); |
| 1335 | cmdr.left_laser = MINING_LASER; |
| 1336 | break; |
| 1337 | |
| 1338 | case EQ_RIGHT_MINING: |
| 1339 | cmdr.credits += laser_refund (cmdr.right_laser); |
| 1340 | cmdr.right_laser = MINING_LASER; |
| 1341 | break; |
| 1342 | |
| 1343 | case EQ_FRONT_MILITARY: |
| 1344 | cmdr.credits += laser_refund (cmdr.front_laser); |
| 1345 | cmdr.front_laser = MILITARY_LASER; |
| 1346 | break; |
| 1347 | |
| 1348 | case EQ_REAR_MILITARY: |
| 1349 | cmdr.credits += laser_refund (cmdr.rear_laser); |
| 1350 | cmdr.rear_laser = MILITARY_LASER; |
| 1351 | break; |
| 1352 | |
| 1353 | case EQ_LEFT_MILITARY: |
| 1354 | cmdr.credits += laser_refund (cmdr.left_laser); |
| 1355 | cmdr.left_laser = MILITARY_LASER; |
| 1356 | break; |
| 1357 | |
| 1358 | case EQ_RIGHT_MILITARY: |
| 1359 | cmdr.credits += laser_refund (cmdr.right_laser); |
| 1360 | cmdr.right_laser = MILITARY_LASER; |
| 1361 | break; |
| 1362 | } |
| 1363 | |
| 1364 | cmdr.credits -= equip_stock[hilite_item].price; |
| 1365 | list_equip_prices(); |
| 1366 | } |
| 1367 | |
| 1368 | |
| 1369 | void equip_ship (void) |
| 1370 | { |
| 1371 | current_screen = SCR_EQUIP_SHIP; |
| 1372 | |
| 1373 | gfx_clear_display(); |
| 1374 | gfx_display_centre_text (10, "EQUIP SHIP", 140, GFX_COL_GOLD); |
| 1375 | gfx_draw_line (0, 36, 511, 36); |
| 1376 | |
| 1377 | collapse_equip_list(); |
| 1378 | |
| 1379 | hilite_item = 0; |
| 1380 | |
| 1381 | list_equip_prices(); |
| 1382 | } |