00001
00002
00005 #include "stdafx.h"
00006 #include "openttd.h"
00007 #include "variables.h"
00008 #include "debug.h"
00009 #include "viewport_func.h"
00010 #include "landscape.h"
00011 #include "town_map.h"
00012 #include "sprite.h"
00013 #include "newgrf.h"
00014 #include "newgrf_house.h"
00015 #include "newgrf_spritegroup.h"
00016 #include "newgrf_town.h"
00017 #include "newgrf_sound.h"
00018 #include "newgrf_commons.h"
00019 #include "transparency.h"
00020 #include "functions.h"
00021 #include "company_func.h"
00022 #include "animated_tile_func.h"
00023 #include "company_base.h"
00024
00025 static BuildingCounts _building_counts;
00026 static HouseClassMapping _class_mapping[HOUSE_CLASS_MAX];
00027
00028 HouseOverrideManager _house_mngr(NEW_HOUSE_OFFSET, HOUSE_MAX, INVALID_HOUSE_ID);
00029
00030 HouseClassID AllocateHouseClassID(byte grf_class_id, uint32 grfid)
00031 {
00032
00033 for (int i = 1; i != lengthof(_class_mapping); i++) {
00034 HouseClassMapping *map = &_class_mapping[i];
00035
00036 if (map->class_id == grf_class_id && map->grfid == grfid) return (HouseClassID)i;
00037
00038 if (map->class_id == 0 && map->grfid == 0) {
00039 map->class_id = grf_class_id;
00040 map->grfid = grfid;
00041 return (HouseClassID)i;
00042 }
00043 }
00044 return HOUSE_NO_CLASS;
00045 }
00046
00047 void InitializeBuildingCounts()
00048 {
00049 memset(&_building_counts, 0, sizeof(_building_counts));
00050 }
00051
00058 void IncreaseBuildingCount(Town *t, HouseID house_id)
00059 {
00060 HouseClassID class_id = GetHouseSpecs(house_id)->class_id;
00061
00062 if (!_loaded_newgrf_features.has_newhouses) return;
00063
00064
00065
00066
00067 if (t->building_counts.id_count[house_id] == 255) return;
00068
00069 t->building_counts.id_count[house_id]++;
00070 if (_building_counts.id_count[house_id] < 255) _building_counts.id_count[house_id]++;
00071
00072
00073
00074 if (class_id == HOUSE_NO_CLASS || t->building_counts.class_count[class_id] == 255) return;
00075
00076 t->building_counts.class_count[class_id]++;
00077 if (_building_counts.class_count[class_id] < 255) _building_counts.class_count[class_id]++;
00078 }
00079
00086 void DecreaseBuildingCount(Town *t, HouseID house_id)
00087 {
00088 HouseClassID class_id = GetHouseSpecs(house_id)->class_id;
00089
00090 if (!_loaded_newgrf_features.has_newhouses) return;
00091
00092 if (t->building_counts.id_count[house_id] > 0) t->building_counts.id_count[house_id]--;
00093 if (_building_counts.id_count[house_id] > 0) _building_counts.id_count[house_id]--;
00094
00095 if (class_id == HOUSE_NO_CLASS) return;
00096
00097 if (t->building_counts.class_count[class_id] > 0) t->building_counts.class_count[class_id]--;
00098 if (_building_counts.class_count[class_id] > 0) _building_counts.class_count[class_id]--;
00099 }
00100
00101 static uint32 HouseGetRandomBits(const ResolverObject *object)
00102 {
00103 const TileIndex tile = object->u.house.tile;
00104 return (tile == INVALID_TILE || !IsTileType(tile, MP_HOUSE)) ? 0 : GetHouseRandomBits(tile);
00105 }
00106
00107 static uint32 HouseGetTriggers(const ResolverObject *object)
00108 {
00109 const TileIndex tile = object->u.house.tile;
00110 return (tile == INVALID_TILE || !IsTileType(tile, MP_HOUSE)) ? 0 : GetHouseTriggers(tile);
00111 }
00112
00113 static void HouseSetTriggers(const ResolverObject *object, int triggers)
00114 {
00115 const TileIndex tile = object->u.house.tile;
00116 if (IsTileType(tile, MP_HOUSE)) SetHouseTriggers(tile, triggers);
00117 }
00118
00119 static uint32 GetNumHouses(HouseID house_id, const Town *town)
00120 {
00121 uint8 map_id_count, town_id_count, map_class_count, town_class_count;
00122 HouseClassID class_id = GetHouseSpecs(house_id)->class_id;
00123
00124 map_id_count = _building_counts.id_count[house_id];
00125 map_class_count = _building_counts.class_count[class_id];
00126 town_id_count = town->building_counts.id_count[house_id];
00127 town_class_count = town->building_counts.class_count[class_id];
00128
00129 return map_class_count << 24 | town_class_count << 16 | map_id_count << 8 | town_id_count;
00130 }
00131
00132 uint32 GetNearbyTileInformation(byte parameter, TileIndex tile)
00133 {
00134 tile = GetNearbyTile(parameter, tile);
00135 return GetNearbyTileInformation(tile);
00136 }
00137
00139 typedef struct {
00140 const HouseSpec *hs;
00141 TileIndex north_tile;
00142 } SearchNearbyHouseData;
00143
00149 static bool SearchNearbyHouseID(TileIndex tile, void *user_data)
00150 {
00151 if (IsTileType(tile, MP_HOUSE)) {
00152 HouseID house = GetHouseType(tile);
00153 const HouseSpec *hs = GetHouseSpecs(house);
00154 if (hs->grffile != NULL) {
00155 SearchNearbyHouseData *nbhd = (SearchNearbyHouseData *)user_data;
00156
00157 TileIndex north_tile = tile + GetHouseNorthPart(house);
00158 if (north_tile == nbhd->north_tile) return false;
00159
00160 return hs->local_id == nbhd->hs->local_id &&
00161 hs->grffile->grfid == nbhd->hs->grffile->grfid;
00162 }
00163 }
00164 return false;
00165 }
00166
00172 static bool SearchNearbyHouseClass(TileIndex tile, void *user_data)
00173 {
00174 if (IsTileType(tile, MP_HOUSE)) {
00175 HouseID house = GetHouseType(tile);
00176 const HouseSpec *hs = GetHouseSpecs(house);
00177 if (hs->grffile != NULL) {
00178 SearchNearbyHouseData *nbhd = (SearchNearbyHouseData *)user_data;
00179
00180 TileIndex north_tile = tile + GetHouseNorthPart(house);
00181 if (north_tile == nbhd->north_tile) return false;
00182
00183 return hs->class_id == nbhd->hs->class_id &&
00184 hs->grffile->grfid == nbhd->hs->grffile->grfid;
00185 }
00186 }
00187 return false;
00188 }
00189
00195 static bool SearchNearbyHouseGRFID(TileIndex tile, void *user_data)
00196 {
00197 if (IsTileType(tile, MP_HOUSE)) {
00198 HouseID house = GetHouseType(tile);
00199 const HouseSpec *hs = GetHouseSpecs(house);
00200 if (hs->grffile != NULL) {
00201 SearchNearbyHouseData *nbhd = (SearchNearbyHouseData *)user_data;
00202
00203 TileIndex north_tile = tile + GetHouseNorthPart(house);
00204 if (north_tile == nbhd->north_tile) return false;
00205
00206 return hs->grffile->grfid == nbhd->hs->grffile->grfid;
00207 }
00208 }
00209 return false;
00210 }
00211
00221 static uint32 GetDistanceFromNearbyHouse(uint8 parameter, TileIndex tile, HouseID house)
00222 {
00223 static TestTileOnSearchProc * const search_procs[3] = {
00224 SearchNearbyHouseID,
00225 SearchNearbyHouseClass,
00226 SearchNearbyHouseGRFID,
00227 };
00228 TileIndex found_tile = tile;
00229 uint8 searchtype = GB(parameter, 6, 2);
00230 uint8 searchradius = GB(parameter, 0, 6);
00231 if (searchtype >= lengthof(search_procs)) return 0;
00232 if (searchradius < 1) return 0;
00233
00234 SearchNearbyHouseData nbhd;
00235 nbhd.hs = GetHouseSpecs(house);
00236 nbhd.north_tile = tile + GetHouseNorthPart(house);
00237
00238
00239 if (CircularTileSearch(&found_tile, 2 * searchradius + 1, search_procs[searchtype], &nbhd)) {
00240 return DistanceManhattan(found_tile, tile);
00241 }
00242 return 0;
00243 }
00244
00250 static uint32 HouseGetVariable(const ResolverObject *object, byte variable, byte parameter, bool *available)
00251 {
00252 const Town *town = object->u.house.town;
00253 TileIndex tile = object->u.house.tile;
00254 HouseID house_id = object->u.house.house_id;
00255
00256 if (object->scope == VSG_SCOPE_PARENT) {
00257 return TownGetVariable(variable, parameter, available, town);
00258 }
00259
00260 switch (variable) {
00261
00262 case 0x40: return (IsTileType(tile, MP_HOUSE) ? GetHouseBuildingStage(tile) : 0) | TileHash2Bit(TileX(tile), TileY(tile)) << 2;
00263
00264
00265 case 0x41: return GetHouseAge(tile);
00266
00267
00268 case 0x42: return GetTownRadiusGroup(town, tile);
00269
00270
00271 case 0x43: return GetTerrainType(tile);
00272
00273
00274 case 0x44: return GetNumHouses(house_id, town);
00275
00276
00277 case 0x45: return _generating_world ? 1 : 0;
00278
00279
00280 case 0x46: return IsTileType(tile, MP_HOUSE) ? GetHouseAnimationFrame(tile) : 0;
00281
00282
00283 case 0x47: return TileY(tile) << 16 | TileX(tile);
00284
00285
00286 case 0x60: return GetNumHouses(parameter, town);
00287
00288
00289 case 0x61: {
00290 const HouseSpec *hs = GetHouseSpecs(house_id);
00291 if (hs->grffile == NULL) return 0;
00292
00293 HouseID new_house = _house_mngr.GetID(parameter, hs->grffile->grfid);
00294 return new_house == INVALID_HOUSE_ID ? 0 : GetNumHouses(new_house, town);
00295 }
00296
00297
00298 case 0x62: return GetNearbyTileInformation(parameter, tile);
00299
00300
00301 case 0x63: {
00302 TileIndex testtile = GetNearbyTile(parameter, tile);
00303 return IsTileType(testtile, MP_HOUSE) ? GetHouseAnimationFrame(testtile) : 0;
00304 }
00305
00306
00307
00308
00309
00310 case 0x65: return GetDistanceFromNearbyHouse(parameter, tile, object->u.house.house_id);
00311 }
00312
00313 DEBUG(grf, 1, "Unhandled house property 0x%X", variable);
00314
00315 *available = false;
00316 return UINT_MAX;
00317 }
00318
00319 static const SpriteGroup *HouseResolveReal(const ResolverObject *object, const SpriteGroup *group)
00320 {
00321
00322 return NULL;
00323 }
00324
00330 static void NewHouseResolver(ResolverObject *res, HouseID house_id, TileIndex tile, Town *town)
00331 {
00332 res->GetRandomBits = HouseGetRandomBits;
00333 res->GetTriggers = HouseGetTriggers;
00334 res->SetTriggers = HouseSetTriggers;
00335 res->GetVariable = HouseGetVariable;
00336 res->ResolveReal = HouseResolveReal;
00337
00338 res->u.house.tile = tile;
00339 res->u.house.town = town;
00340 res->u.house.house_id = house_id;
00341
00342 res->callback = CBID_NO_CALLBACK;
00343 res->callback_param1 = 0;
00344 res->callback_param2 = 0;
00345 res->last_value = 0;
00346 res->trigger = 0;
00347 res->reseed = 0;
00348 res->count = 0;
00349
00350 const HouseSpec *hs = GetHouseSpecs(house_id);
00351 res->grffile = (hs != NULL ? hs->grffile : NULL);
00352 }
00353
00354 uint16 GetHouseCallback(CallbackID callback, uint32 param1, uint32 param2, HouseID house_id, Town *town, TileIndex tile)
00355 {
00356 ResolverObject object;
00357 const SpriteGroup *group;
00358
00359 NewHouseResolver(&object, house_id, tile, town);
00360 object.callback = callback;
00361 object.callback_param1 = param1;
00362 object.callback_param2 = param2;
00363
00364 group = Resolve(GetHouseSpecs(house_id)->spritegroup, &object);
00365 if (group == NULL || group->type != SGT_CALLBACK) return CALLBACK_FAILED;
00366
00367 return group->g.callback.result;
00368 }
00369
00370 static void DrawTileLayout(const TileInfo *ti, const SpriteGroup *group, byte stage, HouseID house_id)
00371 {
00372 const DrawTileSprites *dts = group->g.layout.dts;
00373 const DrawTileSeqStruct *dtss;
00374
00375 const HouseSpec *hs = GetHouseSpecs(house_id);
00376 SpriteID palette = hs->random_colour[TileHash2Bit(ti->x, ti->y)] + PALETTE_RECOLOUR_START;
00377 if (HasBit(hs->callback_mask, CBM_HOUSE_COLOUR)) {
00378 uint16 callback = GetHouseCallback(CBID_HOUSE_COLOUR, 0, 0, house_id, GetTownByTile(ti->tile), ti->tile);
00379 if (callback != CALLBACK_FAILED) {
00380
00381 palette = HasBit(callback, 14) ? GB(callback, 0, 8) + SPR_2CCMAP_BASE : callback;
00382 }
00383 }
00384
00385 SpriteID image = dts->ground.sprite;
00386 SpriteID pal = dts->ground.pal;
00387
00388 if (IS_CUSTOM_SPRITE(image)) image += stage;
00389
00390 if (GB(image, 0, SPRITE_WIDTH) != 0) {
00391 DrawGroundSprite(image, GroundSpritePaletteTransform(image, pal, palette));
00392 }
00393
00394 foreach_draw_tile_seq(dtss, dts->seq) {
00395 if (GB(dtss->image.sprite, 0, SPRITE_WIDTH) == 0) continue;
00396
00397 image = dtss->image.sprite;
00398 pal = dtss->image.pal;
00399
00400
00401 if (IsInvisibilitySet(TO_HOUSES) && !HasBit(image, SPRITE_MODIFIER_OPAQUE)) return;
00402
00403 if (IS_CUSTOM_SPRITE(image)) image += stage;
00404
00405 pal = SpriteLayoutPaletteTransform(image, pal, palette);
00406
00407 if ((byte)dtss->delta_z != 0x80) {
00408 AddSortableSpriteToDraw(
00409 image, pal,
00410 ti->x + dtss->delta_x, ti->y + dtss->delta_y,
00411 dtss->size_x, dtss->size_y,
00412 dtss->size_z, ti->z + dtss->delta_z,
00413 !HasBit(image, SPRITE_MODIFIER_OPAQUE) && IsTransparencySet(TO_HOUSES)
00414 );
00415 } else {
00416
00417 AddChildSpriteScreen(image, pal, (byte)dtss->delta_x, (byte)dtss->delta_y, !HasBit(image, SPRITE_MODIFIER_OPAQUE) && IsTransparencySet(TO_HOUSES));
00418 }
00419 }
00420 }
00421
00422 void DrawNewHouseTile(TileInfo *ti, HouseID house_id)
00423 {
00424 const HouseSpec *hs = GetHouseSpecs(house_id);
00425 const SpriteGroup *group;
00426 ResolverObject object;
00427
00428 if (ti->tileh != SLOPE_FLAT) DrawFoundation(ti, FOUNDATION_LEVELED);
00429
00430 NewHouseResolver(&object, house_id, ti->tile, GetTownByTile(ti->tile));
00431
00432 group = Resolve(hs->spritegroup, &object);
00433 if (group == NULL || group->type != SGT_TILELAYOUT) {
00434
00435 DrawGroundSprite(SPR_SHADOW_CELL, PAL_NONE);
00436 } else {
00437
00438 byte stage = GetHouseBuildingStage(ti->tile);
00439 stage = Clamp(stage - 4 + group->g.layout.num_sprites, 0, group->g.layout.num_sprites - 1);
00440 DrawTileLayout(ti, group, stage, house_id);
00441 }
00442 }
00443
00444 void AnimateNewHouseTile(TileIndex tile)
00445 {
00446 const HouseSpec *hs = GetHouseSpecs(GetHouseType(tile));
00447 byte animation_speed = hs->animation_speed;
00448 bool frame_set_by_callback = false;
00449
00450 if (HasBit(hs->callback_mask, CBM_HOUSE_ANIMATION_SPEED)) {
00451 uint16 callback_res = GetHouseCallback(CBID_HOUSE_ANIMATION_SPEED, 0, 0, GetHouseType(tile), GetTownByTile(tile), tile);
00452 if (callback_res != CALLBACK_FAILED) animation_speed = Clamp(callback_res & 0xFF, 2, 16);
00453 }
00454
00455
00456
00457
00458
00459 if (_tick_counter % (1 << animation_speed) != 0) return;
00460
00461 byte frame = GetHouseAnimationFrame(tile);
00462 byte num_frames = GB(hs->animation_frames, 0, 7);
00463
00464 if (HasBit(hs->callback_mask, CBM_HOUSE_ANIMATION_NEXT_FRAME)) {
00465 uint32 param = (hs->extra_flags & CALLBACK_1A_RANDOM_BITS) ? Random() : 0;
00466 uint16 callback_res = GetHouseCallback(CBID_HOUSE_ANIMATION_NEXT_FRAME, param, 0, GetHouseType(tile), GetTownByTile(tile), tile);
00467
00468 if (callback_res != CALLBACK_FAILED) {
00469 frame_set_by_callback = true;
00470
00471 switch (callback_res & 0xFF) {
00472 case 0xFF:
00473 DeleteAnimatedTile(tile);
00474 break;
00475 case 0xFE:
00476
00477 frame_set_by_callback = false;
00478 break;
00479 default:
00480 frame = callback_res & 0xFF;
00481 break;
00482 }
00483
00484
00485
00486 if (GB(callback_res, 8, 7) != 0) PlayTileSound(hs->grffile, GB(callback_res, 8, 7), tile);
00487 }
00488 }
00489
00490 if (!frame_set_by_callback) {
00491 if (frame < num_frames) {
00492 frame++;
00493 } else if (frame == num_frames && HasBit(hs->animation_frames, 7)) {
00494
00495 frame = 0;
00496 } else {
00497
00498 DeleteAnimatedTile(tile);
00499 }
00500 }
00501
00502 SetHouseAnimationFrame(tile, frame);
00503 MarkTileDirtyByTile(tile);
00504 }
00505
00506 void ChangeHouseAnimationFrame(const GRFFile *file, TileIndex tile, uint16 callback_result)
00507 {
00508 switch (callback_result & 0xFF) {
00509 case 0xFD: break;
00510 case 0xFE: AddAnimatedTile(tile); break;
00511 case 0xFF: DeleteAnimatedTile(tile); break;
00512 default:
00513 SetHouseAnimationFrame(tile, callback_result & 0xFF);
00514 AddAnimatedTile(tile);
00515 break;
00516 }
00517
00518
00519 if (GB(callback_result, 8, 7) != 0) PlayTileSound(file, GB(callback_result, 8, 7), tile);
00520 }
00521
00522 bool CanDeleteHouse(TileIndex tile)
00523 {
00524 const HouseSpec *hs = GetHouseSpecs(GetHouseType(tile));
00525
00526
00527
00528 if ((IsValidCompanyID(_current_company) && IsHumanCompany(_current_company))
00529 || _current_company == OWNER_WATER || _current_company == OWNER_NONE) return true;
00530
00531 if (HasBit(hs->callback_mask, CBM_HOUSE_DENY_DESTRUCTION)) {
00532 uint16 callback_res = GetHouseCallback(CBID_HOUSE_DENY_DESTRUCTION, 0, 0, GetHouseType(tile), GetTownByTile(tile), tile);
00533 return (callback_res == CALLBACK_FAILED || callback_res == 0);
00534 } else {
00535 return !(hs->extra_flags & BUILDING_IS_PROTECTED);
00536 }
00537 }
00538
00539 static void AnimationControl(TileIndex tile, uint16 random_bits)
00540 {
00541 const HouseSpec *hs = GetHouseSpecs(GetHouseType(tile));
00542
00543 if (HasBit(hs->callback_mask, CBM_HOUSE_ANIMATION_START_STOP)) {
00544 uint32 param = (hs->extra_flags & SYNCHRONISED_CALLBACK_1B) ? (GB(Random(), 0, 16) | random_bits << 16) : Random();
00545 uint16 callback_res = GetHouseCallback(CBID_HOUSE_ANIMATION_START_STOP, param, 0, GetHouseType(tile), GetTownByTile(tile), tile);
00546
00547 if (callback_res != CALLBACK_FAILED) ChangeHouseAnimationFrame(hs->grffile, tile, callback_res);
00548 }
00549 }
00550
00551 bool NewHouseTileLoop(TileIndex tile)
00552 {
00553 const HouseSpec *hs = GetHouseSpecs(GetHouseType(tile));
00554
00555 if (GetHouseProcessingTime(tile) > 0) {
00556 DecHouseProcessingTime(tile);
00557 return true;
00558 }
00559
00560 TriggerHouse(tile, HOUSE_TRIGGER_TILE_LOOP);
00561 TriggerHouse(tile, HOUSE_TRIGGER_TILE_LOOP_TOP);
00562
00563 if (HasBit(hs->callback_mask, CBM_HOUSE_ANIMATION_START_STOP)) {
00564
00565
00566
00567
00568 if (hs->extra_flags & SYNCHRONISED_CALLBACK_1B) {
00569 uint16 random = GB(Random(), 0, 16);
00570
00571 if (hs->building_flags & BUILDING_HAS_1_TILE) AnimationControl(tile, random);
00572 if (hs->building_flags & BUILDING_2_TILES_Y) AnimationControl(TILE_ADDXY(tile, 0, 1), random);
00573 if (hs->building_flags & BUILDING_2_TILES_X) AnimationControl(TILE_ADDXY(tile, 1, 0), random);
00574 if (hs->building_flags & BUILDING_HAS_4_TILES) AnimationControl(TILE_ADDXY(tile, 1, 1), random);
00575 } else {
00576 AnimationControl(tile, 0);
00577 }
00578 }
00579
00580
00581 if (HasBit(hs->callback_mask, CBM_HOUSE_DESTRUCTION)) {
00582 uint16 callback_res = GetHouseCallback(CBID_HOUSE_DESTRUCTION, 0, 0, GetHouseType(tile), GetTownByTile(tile), tile);
00583 if (callback_res != CALLBACK_FAILED && GB(callback_res, 0, 8) > 0) {
00584 ClearTownHouse(GetTownByTile(tile), tile);
00585 return false;
00586 }
00587 }
00588
00589 SetHouseProcessingTime(tile, hs->processing_time);
00590 return true;
00591 }
00592
00593 static void DoTriggerHouse(TileIndex tile, HouseTrigger trigger, byte base_random, bool first)
00594 {
00595 ResolverObject object;
00596
00597
00598 assert(IsTileType(tile, MP_HOUSE));
00599
00600 HouseID hid = GetHouseType(tile);
00601 HouseSpec *hs = GetHouseSpecs(hid);
00602
00603 if (hs->spritegroup == NULL) return;
00604
00605 NewHouseResolver(&object, hid, tile, GetTownByTile(tile));
00606
00607 object.callback = CBID_RANDOM_TRIGGER;
00608 object.trigger = trigger;
00609
00610 const SpriteGroup *group = Resolve(hs->spritegroup, &object);
00611 if (group == NULL) return;
00612
00613 byte new_random_bits = Random();
00614 byte random_bits = GetHouseRandomBits(tile);
00615 random_bits &= ~object.reseed;
00616 random_bits |= (first ? new_random_bits : base_random) & object.reseed;
00617 SetHouseRandomBits(tile, random_bits);
00618
00619 switch (trigger) {
00620 case HOUSE_TRIGGER_TILE_LOOP:
00621
00622 break;
00623
00624 case HOUSE_TRIGGER_TILE_LOOP_TOP:
00625 if (!first) break;
00626
00627 if (hs->building_flags & BUILDING_2_TILES_Y) DoTriggerHouse(TILE_ADDXY(tile, 0, 1), trigger, random_bits, false);
00628 if (hs->building_flags & BUILDING_2_TILES_X) DoTriggerHouse(TILE_ADDXY(tile, 1, 0), trigger, random_bits, false);
00629 if (hs->building_flags & BUILDING_HAS_4_TILES) DoTriggerHouse(TILE_ADDXY(tile, 1, 1), trigger, random_bits, false);
00630 break;
00631 }
00632 }
00633
00634 void TriggerHouse(TileIndex t, HouseTrigger trigger)
00635 {
00636 DoTriggerHouse(t, trigger, 0, true);
00637 }