| 1 | /* s_zone.c |
| 2 | * |
| 3 | * Micropolis, Unix Version. This game was released for the Unix platform |
| 4 | * in or about 1990 and has been modified for inclusion in the One Laptop |
| 5 | * Per Child program. Copyright (C) 1989 - 2007 Electronic Arts Inc. If |
| 6 | * you need assistance with this program, you may contact: |
| 7 | * http://wiki.laptop.org/go/Micropolis or email micropolis@laptop.org. |
| 8 | * |
| 9 | * This program is free software: you can redistribute it and/or modify |
| 10 | * it under the terms of the GNU General Public License as published by |
| 11 | * the Free Software Foundation, either version 3 of the License, or (at |
| 12 | * your option) any later version. |
| 13 | * |
| 14 | * This program is distributed in the hope that it will be useful, but |
| 15 | * WITHOUT ANY WARRANTY; without even the implied warranty of |
| 16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 17 | * General Public License for more details. You should have received a |
| 18 | * copy of the GNU General Public License along with this program. If |
| 19 | * not, see <http://www.gnu.org/licenses/>. |
| 20 | * |
| 21 | * ADDITIONAL TERMS per GNU GPL Section 7 |
| 22 | * |
| 23 | * No trademark or publicity rights are granted. This license does NOT |
| 24 | * give you any right, title or interest in the trademark SimCity or any |
| 25 | * other Electronic Arts trademark. You may not distribute any |
| 26 | * modification of this program using the trademark SimCity or claim any |
| 27 | * affliation or association with Electronic Arts Inc. or its employees. |
| 28 | * |
| 29 | * Any propagation or conveyance of this program must include this |
| 30 | * copyright notice and these terms. |
| 31 | * |
| 32 | * If you convey this program (or any modifications of it) and assume |
| 33 | * contractual liability for the program to recipients of it, you agree |
| 34 | * to indemnify Electronic Arts for any liability that those contractual |
| 35 | * assumptions impose on Electronic Arts. |
| 36 | * |
| 37 | * You may not misrepresent the origins of this program; modified |
| 38 | * versions of the program must be marked as such and not identified as |
| 39 | * the original program. |
| 40 | * |
| 41 | * This disclaimer supplements the one included in the General Public |
| 42 | * License. TO THE FULLEST EXTENT PERMISSIBLE UNDER APPLICABLE LAW, THIS |
| 43 | * PROGRAM IS PROVIDED TO YOU "AS IS," WITH ALL FAULTS, WITHOUT WARRANTY |
| 44 | * OF ANY KIND, AND YOUR USE IS AT YOUR SOLE RISK. THE ENTIRE RISK OF |
| 45 | * SATISFACTORY QUALITY AND PERFORMANCE RESIDES WITH YOU. ELECTRONIC ARTS |
| 46 | * DISCLAIMS ANY AND ALL EXPRESS, IMPLIED OR STATUTORY WARRANTIES, |
| 47 | * INCLUDING IMPLIED WARRANTIES OF MERCHANTABILITY, SATISFACTORY QUALITY, |
| 48 | * FITNESS FOR A PARTICULAR PURPOSE, NONINFRINGEMENT OF THIRD PARTY |
| 49 | * RIGHTS, AND WARRANTIES (IF ANY) ARISING FROM A COURSE OF DEALING, |
| 50 | * USAGE, OR TRADE PRACTICE. ELECTRONIC ARTS DOES NOT WARRANT AGAINST |
| 51 | * INTERFERENCE WITH YOUR ENJOYMENT OF THE PROGRAM; THAT THE PROGRAM WILL |
| 52 | * MEET YOUR REQUIREMENTS; THAT OPERATION OF THE PROGRAM WILL BE |
| 53 | * UNINTERRUPTED OR ERROR-FREE, OR THAT THE PROGRAM WILL BE COMPATIBLE |
| 54 | * WITH THIRD PARTY SOFTWARE OR THAT ANY ERRORS IN THE PROGRAM WILL BE |
| 55 | * CORRECTED. NO ORAL OR WRITTEN ADVICE PROVIDED BY ELECTRONIC ARTS OR |
| 56 | * ANY AUTHORIZED REPRESENTATIVE SHALL CREATE A WARRANTY. SOME |
| 57 | * JURISDICTIONS DO NOT ALLOW THE EXCLUSION OF OR LIMITATIONS ON IMPLIED |
| 58 | * WARRANTIES OR THE LIMITATIONS ON THE APPLICABLE STATUTORY RIGHTS OF A |
| 59 | * CONSUMER, SO SOME OR ALL OF THE ABOVE EXCLUSIONS AND LIMITATIONS MAY |
| 60 | * NOT APPLY TO YOU. |
| 61 | */ |
| 62 | #include "sim.h" |
| 63 | |
| 64 | |
| 65 | /* Zone Stuff */ |
| 66 | |
| 67 | void ZonePlop (int base); |
| 68 | void IndPlop (int Den, int Value); |
| 69 | void ComPlop (int Den, int Value); |
| 70 | void ResPlop (int Den, int Value); |
| 71 | int EvalLot (int x, int y); |
| 72 | void BuildHouse(int value); |
| 73 | void DoIndOut(int pop, int value); |
| 74 | void DoComOut(int pop, int value); |
| 75 | void DoResOut(int pop, int value); |
| 76 | void IncROG(int amount); |
| 77 | void DoIndIn(int pop, int value); |
| 78 | void DoComIn(int pop, int value); |
| 79 | void DoResIn(int pop, int value); |
| 80 | void MakeHosp(void); |
| 81 | void DoResidential(int ZonePwrFlg); |
| 82 | int EvalRes (int traf); |
| 83 | int EvalCom (int traf); |
| 84 | int GetCRVal(void); |
| 85 | void DoCommercial(int ZonePwrFlg); |
| 86 | void DoIndustrial(int ZonePwrFlg); |
| 87 | int EvalInd (int traf); |
| 88 | void DoHospChur(void); |
| 89 | |
| 90 | |
| 91 | void DoZone(void) |
| 92 | { |
| 93 | short ZonePwrFlg; |
| 94 | |
| 95 | ZonePwrFlg = SetZPower(); /* Set Power Bit in Map from PowerMap */ |
| 96 | if (ZonePwrFlg) PwrdZCnt++; |
| 97 | else unPwrdZCnt++; |
| 98 | |
| 99 | if (CChr9 > PORTBASE) { /* do Special Zones */ |
| 100 | DoSPZone(ZonePwrFlg); |
| 101 | return; |
| 102 | } |
| 103 | if (CChr9 < HOSPITAL) { |
| 104 | DoResidential(ZonePwrFlg); |
| 105 | return; |
| 106 | } |
| 107 | if (CChr9 < COMBASE) { |
| 108 | DoHospChur(); |
| 109 | return; |
| 110 | } |
| 111 | if (CChr9 < INDBASE) { |
| 112 | DoCommercial(ZonePwrFlg); |
| 113 | return; |
| 114 | } |
| 115 | DoIndustrial(ZonePwrFlg); |
| 116 | return; |
| 117 | } |
| 118 | |
| 119 | |
| 120 | void |
| 121 | DoHospChur(void) |
| 122 | { |
| 123 | if (CChr9 == HOSPITAL) { |
| 124 | HospPop++; |
| 125 | if (!(CityTime & 15)) RepairZone (HOSPITAL, 3); /*post*/ |
| 126 | if (NeedHosp == -1) |
| 127 | if (!Rand(20)) |
| 128 | ZonePlop(RESBASE); |
| 129 | } |
| 130 | if (CChr9 == CHURCH) { |
| 131 | ChurchPop++; |
| 132 | if (!(CityTime & 15)) RepairZone (CHURCH, 3); /*post*/ |
| 133 | if (NeedChurch == -1) |
| 134 | if (!Rand(20)) |
| 135 | ZonePlop(RESBASE); |
| 136 | } |
| 137 | } |
| 138 | |
| 139 | |
| 140 | #define T 1 |
| 141 | #define F 0 |
| 142 | #define ASCBIT (ANIMBIT | CONDBIT | BURNBIT) |
| 143 | #define REGBIT (CONDBIT | BURNBIT) |
| 144 | |
| 145 | void |
| 146 | SetSmoke(int ZonePower) |
| 147 | { |
| 148 | static short AniThis[8] = { T, F, T, T, F, F, T, T }; |
| 149 | static short DX1[8] = { -1, 0, 1, 0, 0, 0, 0, 1 }; |
| 150 | static short DY1[8] = { -1, 0, -1, -1, 0, 0, -1, -1 }; |
| 151 | #if 0 |
| 152 | static short DX2[8] = { -1, 0, 1, 1, 0, 0, 1, 1 }; |
| 153 | static short DY2[8] = { -1, 0, 0, -1, 0, 0, -1, 0 }; |
| 154 | #endif |
| 155 | static short AniTabA[8] = { 0, 0, 32, 40, 0, 0, 48, 56 }; |
| 156 | static short AniTabB[8] = { 0, 0, 36, 44, 0, 0, 52, 60 }; |
| 157 | static short AniTabC[8] = { IND1, 0, IND2, IND4, 0, 0, IND6, IND8 }; |
| 158 | static short AniTabD[8] = { IND1, 0, IND3, IND5, 0, 0, IND7, IND9 }; |
| 159 | register short z; |
| 160 | |
| 161 | if (CChr9 < IZB) return; |
| 162 | z = (CChr9 - IZB) >>3; |
| 163 | z = z & 7; |
| 164 | if (AniThis[z]) { |
| 165 | int xx = SMapX + DX1[z]; |
| 166 | int yy = SMapY + DY1[z]; |
| 167 | if (TestBounds(xx, yy)) { |
| 168 | if (ZonePower) { |
| 169 | if ((Map[xx][yy] & LOMASK) == AniTabC[z]) { |
| 170 | Map[xx][yy] = |
| 171 | ASCBIT | (SMOKEBASE + AniTabA[z]); |
| 172 | Map[xx][yy] = |
| 173 | ASCBIT | (SMOKEBASE + AniTabB[z]); |
| 174 | } |
| 175 | } else { |
| 176 | if ((Map[xx][yy] & LOMASK) > AniTabC[z]) { |
| 177 | Map[xx][yy] = |
| 178 | REGBIT | AniTabC[z]; |
| 179 | Map[xx][yy] = |
| 180 | REGBIT | AniTabD[z]; |
| 181 | } |
| 182 | } |
| 183 | } |
| 184 | } |
| 185 | } |
| 186 | |
| 187 | |
| 188 | void |
| 189 | DoIndustrial(int ZonePwrFlg) |
| 190 | { |
| 191 | short tpop, zscore, TrfGood; |
| 192 | |
| 193 | IndZPop++; |
| 194 | SetSmoke(ZonePwrFlg); |
| 195 | tpop = IZPop(CChr9); |
| 196 | IndPop += tpop; |
| 197 | if (tpop > Rand(5)) TrfGood = MakeTraf(2); |
| 198 | else TrfGood = TRUE; |
| 199 | |
| 200 | if (TrfGood == -1) { |
| 201 | DoIndOut(tpop, Rand16() & 1); |
| 202 | return; |
| 203 | } |
| 204 | |
| 205 | if (!(Rand16() & 7)) { |
| 206 | zscore = IValve + EvalInd(TrfGood); |
| 207 | if (!ZonePwrFlg) zscore = -500; |
| 208 | if ((zscore > -350) && |
| 209 | (((short)(zscore - 26380)) > ((short)Rand16Signed()))) { |
| 210 | DoIndIn(tpop, Rand16() & 1); |
| 211 | return; |
| 212 | } |
| 213 | if ((zscore < 350) && |
| 214 | (((short)(zscore + 26380)) < ((short)Rand16Signed()))) |
| 215 | DoIndOut(tpop, Rand16() & 1); |
| 216 | } |
| 217 | } |
| 218 | |
| 219 | |
| 220 | void |
| 221 | DoCommercial(int ZonePwrFlg) |
| 222 | { |
| 223 | register short tpop, TrfGood; |
| 224 | short zscore, locvalve,value; |
| 225 | |
| 226 | ComZPop++; |
| 227 | tpop = CZPop(CChr9); |
| 228 | ComPop += tpop; |
| 229 | if (tpop > Rand(5)) TrfGood = MakeTraf(1); |
| 230 | else TrfGood = TRUE; |
| 231 | |
| 232 | if (TrfGood == -1) { |
| 233 | value = GetCRVal(); |
| 234 | DoComOut(tpop, value); |
| 235 | return; |
| 236 | } |
| 237 | |
| 238 | if (!(Rand16() & 7)) { |
| 239 | locvalve = EvalCom(TrfGood); |
| 240 | zscore = CValve + locvalve; |
| 241 | if (!ZonePwrFlg) zscore = -500; |
| 242 | |
| 243 | if (TrfGood && |
| 244 | (zscore > -350) && |
| 245 | (((short)(zscore - 26380)) > ((short)Rand16Signed()))) { |
| 246 | value = GetCRVal(); |
| 247 | DoComIn(tpop, value); |
| 248 | return; |
| 249 | } |
| 250 | if ((zscore < 350) && |
| 251 | (((short)(zscore + 26380)) < ((short)Rand16Signed()))) { |
| 252 | value = GetCRVal(); |
| 253 | DoComOut(tpop, value); |
| 254 | } |
| 255 | } |
| 256 | } |
| 257 | |
| 258 | |
| 259 | void |
| 260 | DoResidential(int ZonePwrFlg) |
| 261 | { |
| 262 | short tpop, zscore, locvalve, value, TrfGood; |
| 263 | |
| 264 | ResZPop++; |
| 265 | if (CChr9 == FREEZ) tpop = DoFreePop(); |
| 266 | else tpop = RZPop(CChr9); |
| 267 | |
| 268 | ResPop += tpop; |
| 269 | if (tpop > Rand(35)) TrfGood = MakeTraf(0); |
| 270 | else TrfGood = TRUE; |
| 271 | |
| 272 | if (TrfGood == -1) { |
| 273 | value = GetCRVal(); |
| 274 | DoResOut(tpop, value); |
| 275 | return; |
| 276 | } |
| 277 | |
| 278 | if ((CChr9 == FREEZ) || (!(Rand16() & 7))) { |
| 279 | locvalve = EvalRes(TrfGood); |
| 280 | zscore = RValve + locvalve; |
| 281 | if (!ZonePwrFlg) zscore = -500; |
| 282 | |
| 283 | if ((zscore > -350) && |
| 284 | (((short)(zscore - 26380)) > ((short)Rand16Signed()))) { |
| 285 | if ((!tpop) && (!(Rand16() & 3))) { |
| 286 | MakeHosp(); |
| 287 | return; |
| 288 | } |
| 289 | value = GetCRVal(); |
| 290 | DoResIn(tpop, value); |
| 291 | return; |
| 292 | } |
| 293 | if ((zscore < 350) && |
| 294 | (((short)(zscore + 26380)) < ((short)Rand16Signed()))) { |
| 295 | value = GetCRVal(); |
| 296 | DoResOut(tpop, value); |
| 297 | } |
| 298 | } |
| 299 | } |
| 300 | |
| 301 | |
| 302 | void |
| 303 | MakeHosp(void) |
| 304 | { |
| 305 | if (NeedHosp > 0) { |
| 306 | ZonePlop(HOSPITAL - 4); |
| 307 | NeedHosp = FALSE; |
| 308 | return; |
| 309 | } |
| 310 | if (NeedChurch > 0) { |
| 311 | ZonePlop(CHURCH - 4); |
| 312 | NeedChurch = FALSE; |
| 313 | return; |
| 314 | } |
| 315 | } |
| 316 | |
| 317 | |
| 318 | int |
| 319 | GetCRVal(void) |
| 320 | { |
| 321 | register short LVal; |
| 322 | |
| 323 | LVal = LandValueMem[SMapX >>1][SMapY >>1]; |
| 324 | LVal -= PollutionMem[SMapX >>1][SMapY >>1]; |
| 325 | if (LVal < 30) return (0); |
| 326 | if (LVal < 80) return (1); |
| 327 | if (LVal < 150) return (2); |
| 328 | return (3); |
| 329 | } |
| 330 | |
| 331 | |
| 332 | void |
| 333 | DoResIn(int pop, int value) |
| 334 | { |
| 335 | short z; |
| 336 | |
| 337 | z = PollutionMem[SMapX >>1][SMapY >>1]; |
| 338 | if (z > 128) return; |
| 339 | |
| 340 | if (CChr9 == FREEZ) { |
| 341 | if (pop < 8) { |
| 342 | BuildHouse(value); |
| 343 | IncROG(1); |
| 344 | return; |
| 345 | } |
| 346 | if (PopDensity[SMapX >>1][SMapY >>1] > 64) { |
| 347 | ResPlop(0, value); |
| 348 | IncROG(8); |
| 349 | return; |
| 350 | } |
| 351 | return; |
| 352 | } |
| 353 | if (pop < 40) { |
| 354 | ResPlop((pop / 8) - 1, value); |
| 355 | IncROG(8); |
| 356 | } |
| 357 | } |
| 358 | |
| 359 | |
| 360 | void |
| 361 | DoComIn(int pop, int value) |
| 362 | { |
| 363 | register short z; |
| 364 | |
| 365 | z = LandValueMem[SMapX >>1][SMapY >>1]; |
| 366 | z = z >>5; |
| 367 | if (pop > z) return; |
| 368 | |
| 369 | if (pop < 5) { |
| 370 | ComPlop(pop, value); |
| 371 | IncROG(8); |
| 372 | } |
| 373 | } |
| 374 | |
| 375 | |
| 376 | void |
| 377 | DoIndIn(int pop, int value) |
| 378 | { |
| 379 | if (pop < 4) { |
| 380 | IndPlop(pop, value); |
| 381 | IncROG(8); |
| 382 | } |
| 383 | } |
| 384 | |
| 385 | |
| 386 | void |
| 387 | IncROG(int amount) |
| 388 | { |
| 389 | RateOGMem[SMapX>>3][SMapY>>3] += amount<<2; |
| 390 | } |
| 391 | |
| 392 | |
| 393 | void |
| 394 | DoResOut(int pop, int value) |
| 395 | { |
| 396 | static short Brdr[9] = {0,3,6,1,4,7,2,5,8}; |
| 397 | register short x, y, loc, z; |
| 398 | |
| 399 | if (!pop) return; |
| 400 | if (pop > 16) { |
| 401 | ResPlop(((pop - 24) / 8), value); |
| 402 | IncROG(-8); |
| 403 | return; |
| 404 | } |
| 405 | if (pop == 16) { |
| 406 | IncROG(-8); |
| 407 | Map[SMapX][SMapY] = (FREEZ | BLBNCNBIT | ZONEBIT); |
| 408 | for (x = SMapX - 1; x <= SMapX + 1; x++) |
| 409 | for (y = SMapY - 1; y <= SMapY + 1; y++) |
| 410 | if (x >= 0 && x < WORLD_X && |
| 411 | y >= 0 && y < WORLD_Y) { |
| 412 | if ((Map[x][y] & LOMASK) != FREEZ) |
| 413 | Map[x][y] = LHTHR + value + |
| 414 | Rand(2) + BLBNCNBIT; |
| 415 | } |
| 416 | } |
| 417 | if (pop < 16) { |
| 418 | IncROG(-1); |
| 419 | z = 0; |
| 420 | for (x = SMapX - 1; x <= SMapX + 1; x++) |
| 421 | for (y = SMapY - 1; y <= SMapY + 1; y++) { |
| 422 | if (x >= 0 && x < WORLD_X && |
| 423 | y >= 0 && y < WORLD_Y) { |
| 424 | loc = Map[x][y] & LOMASK; |
| 425 | if ((loc >= LHTHR) && (loc <= HHTHR)) { |
| 426 | Map[x][y] = Brdr[z] + |
| 427 | BLBNCNBIT + FREEZ - 4; |
| 428 | return; |
| 429 | } |
| 430 | } |
| 431 | z++; |
| 432 | } |
| 433 | } |
| 434 | } |
| 435 | |
| 436 | |
| 437 | void |
| 438 | DoComOut(int pop, int value) |
| 439 | { |
| 440 | if (pop > 1) { |
| 441 | ComPlop(pop - 2, value); |
| 442 | IncROG(-8); |
| 443 | return; |
| 444 | } |
| 445 | if (pop == 1) { |
| 446 | ZonePlop(COMBASE); |
| 447 | IncROG(-8); |
| 448 | } |
| 449 | } |
| 450 | |
| 451 | |
| 452 | void |
| 453 | DoIndOut(int pop, int value) |
| 454 | { |
| 455 | if (pop > 1) { |
| 456 | IndPlop(pop - 2, value); |
| 457 | IncROG(-8); |
| 458 | return; |
| 459 | } |
| 460 | if (pop == 1) { |
| 461 | ZonePlop(INDCLR - 4); |
| 462 | IncROG(-8); |
| 463 | } |
| 464 | } |
| 465 | |
| 466 | |
| 467 | int |
| 468 | RZPop(int Ch9) |
| 469 | { |
| 470 | short CzDen; |
| 471 | |
| 472 | CzDen = (((Ch9 - RZB) / 9) % 4); |
| 473 | return ((CzDen * 8) + 16); |
| 474 | } |
| 475 | |
| 476 | |
| 477 | int |
| 478 | CZPop(int Ch9) |
| 479 | { |
| 480 | short CzDen; |
| 481 | |
| 482 | if (Ch9 == COMCLR) return (0); |
| 483 | CzDen = (((Ch9 - CZB) / 9) % 5) + 1; |
| 484 | return (CzDen); |
| 485 | } |
| 486 | |
| 487 | |
| 488 | int |
| 489 | IZPop(int Ch9) |
| 490 | { |
| 491 | short CzDen; |
| 492 | |
| 493 | if (Ch9 == INDCLR) return (0); |
| 494 | CzDen = (((Ch9 - IZB) / 9) % 4) + 1; |
| 495 | return (CzDen); |
| 496 | } |
| 497 | |
| 498 | |
| 499 | void |
| 500 | BuildHouse(int value) |
| 501 | { |
| 502 | short z, score, hscore, BestLoc; |
| 503 | static short ZeX[9] = { 0,-1, 0, 1,-1, 1,-1, 0, 1}; |
| 504 | static short ZeY[9] = { 0,-1,-1,-1, 0, 0, 1, 1, 1}; |
| 505 | |
| 506 | BestLoc = 0; |
| 507 | hscore = 0; |
| 508 | for (z = 1; z < 9; z++) { |
| 509 | int xx = SMapX + ZeX[z]; |
| 510 | int yy = SMapY + ZeY[z]; |
| 511 | if (TestBounds(xx, yy)) { |
| 512 | score = EvalLot(xx, yy); |
| 513 | if (score != 0) { |
| 514 | if (score > hscore) { |
| 515 | hscore = score; |
| 516 | BestLoc = z; |
| 517 | } |
| 518 | if ((score == hscore) && !(Rand16() & 7)) |
| 519 | BestLoc = z; |
| 520 | } |
| 521 | } |
| 522 | } |
| 523 | if (BestLoc) { |
| 524 | int xx = SMapX + ZeX[BestLoc]; |
| 525 | int yy = SMapY + ZeY[BestLoc]; |
| 526 | if (TestBounds(xx, yy)) { |
| 527 | Map[xx][yy] = HOUSE + BLBNCNBIT + Rand(2) + (value * 3); |
| 528 | } |
| 529 | } |
| 530 | } |
| 531 | |
| 532 | |
| 533 | void |
| 534 | ResPlop (int Den, int Value) |
| 535 | { |
| 536 | short base; |
| 537 | |
| 538 | base = (((Value * 4) + Den) * 9) + RZB - 4; |
| 539 | ZonePlop(base); |
| 540 | } |
| 541 | |
| 542 | |
| 543 | void |
| 544 | ComPlop (int Den, int Value) |
| 545 | { |
| 546 | short base; |
| 547 | |
| 548 | base = (((Value * 5) + Den) * 9) + CZB - 4; |
| 549 | ZonePlop(base); |
| 550 | } |
| 551 | |
| 552 | |
| 553 | void |
| 554 | IndPlop (int Den, int Value) |
| 555 | { |
| 556 | short base; |
| 557 | |
| 558 | base = (((Value * 4) + Den) * 9) + (IZB - 4); |
| 559 | ZonePlop (base); |
| 560 | } |
| 561 | |
| 562 | |
| 563 | int |
| 564 | EvalLot (int x, int y) |
| 565 | { |
| 566 | short z, score; |
| 567 | static short DX[4] = { 0, 1, 0,-1}; |
| 568 | static short DY[4] = {-1, 0, 1, 0}; |
| 569 | |
| 570 | /* test for clear lot */ |
| 571 | z = Map[x][y] & LOMASK; |
| 572 | if (z && ((z < RESBASE) || (z > RESBASE + 8))) |
| 573 | return (-1); |
| 574 | score = 1; |
| 575 | for (z = 0; z < 4; z++) { |
| 576 | int xx = x + DX[z]; |
| 577 | int yy = y + DY[z]; |
| 578 | if (TestBounds(xx, yy) && |
| 579 | Map[xx][yy] && |
| 580 | ((Map[xx][yy] & LOMASK) <= LASTROAD)) { |
| 581 | score++; /* look for road */ |
| 582 | } |
| 583 | } |
| 584 | return (score); |
| 585 | } |
| 586 | |
| 587 | |
| 588 | void |
| 589 | ZonePlop (int base) |
| 590 | { |
| 591 | short z, x; |
| 592 | static short Zx[9] = {-1, 0, 1,-1, 0, 1,-1, 0, 1}; |
| 593 | static short Zy[9] = {-1,-1,-1, 0, 0, 0, 1, 1, 1}; |
| 594 | |
| 595 | for (z = 0; z < 9; z++) { /* check for fire */ |
| 596 | int xx = SMapX + Zx[z]; |
| 597 | int yy = SMapY + Zy[z]; |
| 598 | if (TestBounds(xx, yy)) { |
| 599 | x = Map[xx][yy] & LOMASK; |
| 600 | if ((x >= FLOOD) && (x < ROADBASE)) return; |
| 601 | } |
| 602 | } |
| 603 | for (z = 0; z < 9; z++) { |
| 604 | int xx = SMapX + Zx[z]; |
| 605 | int yy = SMapY + Zy[z]; |
| 606 | if (TestBounds(xx, yy)) { |
| 607 | Map[xx][yy] = base + BNCNBIT; |
| 608 | } |
| 609 | base++; |
| 610 | } |
| 611 | CChr = Map[SMapX][SMapY]; |
| 612 | SetZPower(); |
| 613 | Map[SMapX][SMapY] |= ZONEBIT + BULLBIT; |
| 614 | } |
| 615 | |
| 616 | |
| 617 | int |
| 618 | EvalRes (int traf) |
| 619 | { |
| 620 | register short Value; |
| 621 | |
| 622 | if (traf < 0) return (-3000); |
| 623 | |
| 624 | Value = LandValueMem[SMapX >>1][SMapY >>1]; |
| 625 | Value -= PollutionMem[SMapX >>1][SMapY >>1]; |
| 626 | |
| 627 | if (Value < 0) Value = 0; /* Cap at 0 */ |
| 628 | else Value = Value <<5; |
| 629 | |
| 630 | if (Value > 6000) Value = 6000; /* Cap at 6000 */ |
| 631 | |
| 632 | Value = Value - 3000; |
| 633 | return (Value); |
| 634 | } |
| 635 | |
| 636 | |
| 637 | int |
| 638 | EvalCom (int traf) |
| 639 | { |
| 640 | short Value; |
| 641 | |
| 642 | if (traf < 0) return (-3000); |
| 643 | Value = ComRate[SMapX >>3][SMapY >>3]; |
| 644 | return (Value); |
| 645 | } |
| 646 | |
| 647 | |
| 648 | int |
| 649 | EvalInd (int traf) |
| 650 | { |
| 651 | if (traf < 0) return (-1000); |
| 652 | return (0); |
| 653 | } |
| 654 | |
| 655 | |
| 656 | int |
| 657 | DoFreePop (void) |
| 658 | { |
| 659 | short count; |
| 660 | register short loc, x, y; |
| 661 | |
| 662 | count = 0; |
| 663 | for (x = SMapX - 1; x <= SMapX + 1; x++) |
| 664 | for (y = SMapY - 1; y <= SMapY + 1; y++) { |
| 665 | if (x >= 0 && x < WORLD_X && |
| 666 | y >= 0 && y < WORLD_Y) { |
| 667 | loc = Map[x][y] & LOMASK; |
| 668 | if ((loc >= LHTHR) && (loc <= HHTHR)) |
| 669 | count++; |
| 670 | } |
| 671 | } |
| 672 | return (count); |
| 673 | } |
| 674 | |
| 675 | |
| 676 | int |
| 677 | SetZPower(void) /* set bit in MapWord depending on powermap */ |
| 678 | { |
| 679 | #if 0 |
| 680 | short z; |
| 681 | #endif |
| 682 | QUAD PowerWrd; |
| 683 | |
| 684 | /* TestPowerBit was taking alot of time so I inlined it. -Don */ |
| 685 | |
| 686 | #if 0 |
| 687 | |
| 688 | if (z = TestPowerBit()) |
| 689 | Map[SMapX][SMapY] = CChr | PWRBIT; |
| 690 | else |
| 691 | Map[SMapX][SMapY] = CChr & (~PWRBIT); |
| 692 | return (z); |
| 693 | |
| 694 | #else |
| 695 | |
| 696 | if ((CChr9 == NUCLEAR) || |
| 697 | (CChr9 == POWERPLANT) || |
| 698 | ( |
| 699 | #if 1 |
| 700 | (PowerWrd = POWERWORD(SMapX, SMapY)), |
| 701 | #else |
| 702 | (PowerWrd = (SMapX >>4) + (SMapY <<3)), |
| 703 | #endif |
| 704 | ((PowerWrd < PWRMAPSIZE) && |
| 705 | (PowerMap[PowerWrd] & (1 << (SMapX & 15)))))) { |
| 706 | Map[SMapX][SMapY] = CChr | PWRBIT; |
| 707 | return 1; |
| 708 | } else { |
| 709 | Map[SMapX][SMapY] = CChr & (~PWRBIT); |
| 710 | return 0; |
| 711 | } |
| 712 | |
| 713 | #endif |
| 714 | } |