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00012 #include "stdafx.h"
00013 #include "debug.h"
00014 #include "landscape.h"
00015 #include "newgrf_house.h"
00016 #include "newgrf_spritegroup.h"
00017 #include "newgrf_town.h"
00018 #include "newgrf_sound.h"
00019 #include "company_func.h"
00020 #include "company_base.h"
00021 #include "town.h"
00022 #include "genworld.h"
00023 #include "newgrf_animation_base.h"
00024 #include "newgrf_cargo.h"
00025 #include "station_base.h"
00026
00027 static BuildingCounts<uint32> _building_counts;
00028 static HouseClassMapping _class_mapping[HOUSE_CLASS_MAX];
00029
00030 HouseOverrideManager _house_mngr(NEW_HOUSE_OFFSET, HOUSE_MAX, INVALID_HOUSE_ID);
00031
00032 HouseClassID AllocateHouseClassID(byte grf_class_id, uint32 grfid)
00033 {
00034
00035 for (int i = 1; i != lengthof(_class_mapping); i++) {
00036 HouseClassMapping *map = &_class_mapping[i];
00037
00038 if (map->class_id == grf_class_id && map->grfid == grfid) return (HouseClassID)i;
00039
00040 if (map->class_id == 0 && map->grfid == 0) {
00041 map->class_id = grf_class_id;
00042 map->grfid = grfid;
00043 return (HouseClassID)i;
00044 }
00045 }
00046 return HOUSE_NO_CLASS;
00047 }
00048
00049 void InitializeBuildingCounts()
00050 {
00051 memset(&_building_counts, 0, sizeof(_building_counts));
00052 }
00053
00060 void IncreaseBuildingCount(Town *t, HouseID house_id)
00061 {
00062 HouseClassID class_id = HouseSpec::Get(house_id)->class_id;
00063
00064 if (!_loaded_newgrf_features.has_newhouses) return;
00065
00066 t->building_counts.id_count[house_id]++;
00067 _building_counts.id_count[house_id]++;
00068
00069 if (class_id == HOUSE_NO_CLASS) return;
00070
00071 t->building_counts.class_count[class_id]++;
00072 _building_counts.class_count[class_id]++;
00073 }
00074
00081 void DecreaseBuildingCount(Town *t, HouseID house_id)
00082 {
00083 HouseClassID class_id = HouseSpec::Get(house_id)->class_id;
00084
00085 if (!_loaded_newgrf_features.has_newhouses) return;
00086
00087 if (t->building_counts.id_count[house_id] > 0) t->building_counts.id_count[house_id]--;
00088 if (_building_counts.id_count[house_id] > 0) _building_counts.id_count[house_id]--;
00089
00090 if (class_id == HOUSE_NO_CLASS) return;
00091
00092 if (t->building_counts.class_count[class_id] > 0) t->building_counts.class_count[class_id]--;
00093 if (_building_counts.class_count[class_id] > 0) _building_counts.class_count[class_id]--;
00094 }
00095
00096 static uint32 HouseGetRandomBits(const ResolverObject *object)
00097 {
00098
00099 TileIndex tile = object->u.house.tile;
00100 assert(IsValidTile(tile) && (object->u.house.not_yet_constructed || IsTileType(tile, MP_HOUSE)));
00101 return object->u.house.not_yet_constructed ? object->u.house.initial_random_bits : GetHouseRandomBits(tile);
00102 }
00103
00104 static uint32 HouseGetTriggers(const ResolverObject *object)
00105 {
00106
00107 TileIndex tile = object->u.house.tile;
00108 assert(IsValidTile(tile) && (object->u.house.not_yet_constructed || IsTileType(tile, MP_HOUSE)));
00109 return object->u.house.not_yet_constructed ? 0 : GetHouseTriggers(tile);
00110 }
00111
00112 static void HouseSetTriggers(const ResolverObject *object, int triggers)
00113 {
00114 TileIndex tile = object->u.house.tile;
00115 assert(!object->u.house.not_yet_constructed && IsValidTile(tile) && IsTileType(tile, MP_HOUSE));
00116 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 = HouseSpec::Get(house_id)->class_id;
00123
00124 map_id_count = ClampU(_building_counts.id_count[house_id], 0, 255);
00125 map_class_count = ClampU(_building_counts.class_count[class_id], 0, 255);
00126 town_id_count = ClampU(town->building_counts.id_count[house_id], 0, 255);
00127 town_class_count = ClampU(town->building_counts.class_count[class_id], 0, 255);
00128
00129 return map_class_count << 24 | town_class_count << 16 | map_id_count << 8 | town_id_count;
00130 }
00131
00139 static uint32 GetNearbyTileInformation(byte parameter, TileIndex tile, bool grf_version8)
00140 {
00141 tile = GetNearbyTile(parameter, tile);
00142 return GetNearbyTileInformation(tile, grf_version8);
00143 }
00144
00146 typedef struct {
00147 const HouseSpec *hs;
00148 TileIndex north_tile;
00149 } SearchNearbyHouseData;
00150
00157 static bool SearchNearbyHouseID(TileIndex tile, void *user_data)
00158 {
00159 if (IsTileType(tile, MP_HOUSE)) {
00160 HouseID house = GetHouseType(tile);
00161 const HouseSpec *hs = HouseSpec::Get(house);
00162 if (hs->grf_prop.grffile != NULL) {
00163 SearchNearbyHouseData *nbhd = (SearchNearbyHouseData *)user_data;
00164
00165 TileIndex north_tile = tile + GetHouseNorthPart(house);
00166 if (north_tile == nbhd->north_tile) return false;
00167
00168 return hs->grf_prop.local_id == nbhd->hs->grf_prop.local_id &&
00169 hs->grf_prop.grffile->grfid == nbhd->hs->grf_prop.grffile->grfid;
00170 }
00171 }
00172 return false;
00173 }
00174
00181 static bool SearchNearbyHouseClass(TileIndex tile, void *user_data)
00182 {
00183 if (IsTileType(tile, MP_HOUSE)) {
00184 HouseID house = GetHouseType(tile);
00185 const HouseSpec *hs = HouseSpec::Get(house);
00186 if (hs->grf_prop.grffile != NULL) {
00187 SearchNearbyHouseData *nbhd = (SearchNearbyHouseData *)user_data;
00188
00189 TileIndex north_tile = tile + GetHouseNorthPart(house);
00190 if (north_tile == nbhd->north_tile) return false;
00191
00192 return hs->class_id == nbhd->hs->class_id &&
00193 hs->grf_prop.grffile->grfid == nbhd->hs->grf_prop.grffile->grfid;
00194 }
00195 }
00196 return false;
00197 }
00198
00205 static bool SearchNearbyHouseGRFID(TileIndex tile, void *user_data)
00206 {
00207 if (IsTileType(tile, MP_HOUSE)) {
00208 HouseID house = GetHouseType(tile);
00209 const HouseSpec *hs = HouseSpec::Get(house);
00210 if (hs->grf_prop.grffile != NULL) {
00211 SearchNearbyHouseData *nbhd = (SearchNearbyHouseData *)user_data;
00212
00213 TileIndex north_tile = tile + GetHouseNorthPart(house);
00214 if (north_tile == nbhd->north_tile) return false;
00215
00216 return hs->grf_prop.grffile->grfid == nbhd->hs->grf_prop.grffile->grfid;
00217 }
00218 }
00219 return false;
00220 }
00221
00232 static uint32 GetDistanceFromNearbyHouse(uint8 parameter, TileIndex tile, HouseID house)
00233 {
00234 static TestTileOnSearchProc * const search_procs[3] = {
00235 SearchNearbyHouseID,
00236 SearchNearbyHouseClass,
00237 SearchNearbyHouseGRFID,
00238 };
00239 TileIndex found_tile = tile;
00240 uint8 searchtype = GB(parameter, 6, 2);
00241 uint8 searchradius = GB(parameter, 0, 6);
00242 if (searchtype >= lengthof(search_procs)) return 0;
00243 if (searchradius < 1) return 0;
00244
00245 SearchNearbyHouseData nbhd;
00246 nbhd.hs = HouseSpec::Get(house);
00247 nbhd.north_tile = tile + GetHouseNorthPart(house);
00248
00249
00250 if (CircularTileSearch(&found_tile, 2 * searchradius + 1, search_procs[searchtype], &nbhd)) {
00251 return DistanceManhattan(found_tile, tile);
00252 }
00253 return 0;
00254 }
00255
00261 static uint32 HouseGetVariable(const ResolverObject *object, byte variable, uint32 parameter, bool *available)
00262 {
00263 Town *town = object->u.house.town;
00264 TileIndex tile = object->u.house.tile;
00265 HouseID house_id = object->u.house.house_id;
00266
00267 if (object->scope == VSG_SCOPE_PARENT) {
00268 return TownGetVariable(variable, parameter, available, town, object->grffile);
00269 }
00270
00271 switch (variable) {
00272
00273 case 0x40: return (IsTileType(tile, MP_HOUSE) ? GetHouseBuildingStage(tile) : 0) | TileHash2Bit(TileX(tile), TileY(tile)) << 2;
00274
00275
00276 case 0x41: return IsTileType(tile, MP_HOUSE) ? GetHouseAge(tile) : 0;
00277
00278
00279 case 0x42: return GetTownRadiusGroup(town, tile);
00280
00281
00282 case 0x43: return GetTerrainType(tile);
00283
00284
00285 case 0x44: return GetNumHouses(house_id, town);
00286
00287
00288 case 0x45: return _generating_world ? 1 : 0;
00289
00290
00291 case 0x46: return IsTileType(tile, MP_HOUSE) ? GetAnimationFrame(tile) : 0;
00292
00293
00294 case 0x47: return TileY(tile) << 16 | TileX(tile);
00295
00296
00297 case 0x60: return parameter < NEW_HOUSE_OFFSET ? GetNumHouses(parameter, town) : 0;
00298
00299
00300 case 0x61: {
00301 const HouseSpec *hs = HouseSpec::Get(house_id);
00302 if (hs->grf_prop.grffile == NULL) return 0;
00303
00304 HouseID new_house = _house_mngr.GetID(parameter, hs->grf_prop.grffile->grfid);
00305 return new_house == INVALID_HOUSE_ID ? 0 : GetNumHouses(new_house, town);
00306 }
00307
00308
00309 case 0x62: return GetNearbyTileInformation(parameter, tile, object->grffile->grf_version >= 8);
00310
00311
00312 case 0x63: {
00313 TileIndex testtile = GetNearbyTile(parameter, tile);
00314 return IsTileType(testtile, MP_HOUSE) ? GetAnimationFrame(testtile) : 0;
00315 }
00316
00317
00318 case 0x64: {
00319 CargoID cid = GetCargoTranslation(parameter, object->grffile);
00320 if (cid == CT_INVALID) return 0;
00321
00322
00323 int8 x_offs = GB(GetRegister(0x100), 0, 8);
00324 int8 y_offs = GB(GetRegister(0x100), 8, 8);
00325 TileIndex testtile = TILE_MASK(tile + TileDiffXY(x_offs, y_offs));
00326
00327 StationFinder stations(TileArea(testtile, 1, 1));
00328 const StationList *sl = stations.GetStations();
00329
00330
00331 uint32 res = 0;
00332 for (Station * const * st_iter = sl->Begin(); st_iter != sl->End(); st_iter++) {
00333 const Station *st = *st_iter;
00334 if (HasBit(st->goods[cid].acceptance_pickup, GoodsEntry::GES_EVER_ACCEPTED)) SetBit(res, 0);
00335 if (HasBit(st->goods[cid].acceptance_pickup, GoodsEntry::GES_LAST_MONTH)) SetBit(res, 1);
00336 if (HasBit(st->goods[cid].acceptance_pickup, GoodsEntry::GES_CURRENT_MONTH)) SetBit(res, 2);
00337 if (HasBit(st->goods[cid].acceptance_pickup, GoodsEntry::GES_ACCEPTED_BIGTICK)) SetBit(res, 3);
00338 }
00339
00340
00341 if (HasBit(object->u.house.watched_cargo_triggers, cid)) SetBit(res, 4);
00342
00343 return res;
00344 }
00345
00346
00347 case 0x65: return GetDistanceFromNearbyHouse(parameter, tile, object->u.house.house_id);
00348
00349
00350 case 0x66: {
00351 TileIndex testtile = GetNearbyTile(parameter, tile);
00352 if (!IsTileType(testtile, MP_HOUSE)) return 0xFFFFFFFF;
00353 HouseSpec *hs = HouseSpec::Get(GetHouseType(testtile));
00354
00355 uint houseclass = 0;
00356 if (hs->class_id != HOUSE_NO_CLASS) {
00357 houseclass = (hs->grf_prop.grffile == object->grffile ? 1 : 2) << 8;
00358 houseclass |= _class_mapping[hs->class_id].class_id;
00359 }
00360
00361 uint local_houseid = 0;
00362 if (house_id < NEW_HOUSE_OFFSET) {
00363 local_houseid = house_id;
00364 } else {
00365 local_houseid = (hs->grf_prop.grffile == object->grffile ? 1 : 2) << 8;
00366 local_houseid |= hs->grf_prop.local_id;
00367 }
00368 return houseclass << 16 | local_houseid;
00369 }
00370
00371
00372 case 0x67: {
00373 TileIndex testtile = GetNearbyTile(parameter, tile);
00374 if (!IsTileType(testtile, MP_HOUSE)) return 0xFFFFFFFF;
00375 HouseID house_id = GetHouseType(testtile);
00376 if (house_id < NEW_HOUSE_OFFSET) return 0;
00377
00378
00379 return _house_mngr.GetGRFID(house_id);
00380 }
00381 }
00382
00383 DEBUG(grf, 1, "Unhandled house variable 0x%X", variable);
00384
00385 *available = false;
00386 return UINT_MAX;
00387 }
00388
00389 static const SpriteGroup *HouseResolveReal(const ResolverObject *object, const RealSpriteGroup *group)
00390 {
00391
00392 return NULL;
00393 }
00394
00401 void HouseStorePSA(ResolverObject *object, uint pos, int32 value)
00402 {
00403
00404 if (object->scope != VSG_SCOPE_PARENT || object->u.house.not_yet_constructed) return;
00405
00406
00407 TownStorePSA(object->u.house.town, object->grffile, pos, value);
00408 }
00409
00415 static void NewHouseResolver(ResolverObject *res, HouseID house_id, TileIndex tile, Town *town)
00416 {
00417 res->GetRandomBits = HouseGetRandomBits;
00418 res->GetTriggers = HouseGetTriggers;
00419 res->SetTriggers = HouseSetTriggers;
00420 res->GetVariable = HouseGetVariable;
00421 res->ResolveReal = HouseResolveReal;
00422 res->StorePSA = HouseStorePSA;
00423
00424 res->u.house.tile = tile;
00425 res->u.house.town = town;
00426 res->u.house.house_id = house_id;
00427 res->u.house.not_yet_constructed = false;
00428
00429 res->callback = CBID_NO_CALLBACK;
00430 res->callback_param1 = 0;
00431 res->callback_param2 = 0;
00432 res->ResetState();
00433
00434 const HouseSpec *hs = HouseSpec::Get(house_id);
00435 res->grffile = (hs != NULL ? hs->grf_prop.grffile : NULL);
00436 }
00437
00438 uint16 GetHouseCallback(CallbackID callback, uint32 param1, uint32 param2, HouseID house_id, Town *town, TileIndex tile, bool not_yet_constructed, uint8 initial_random_bits, uint32 watched_cargo_triggers)
00439 {
00440 ResolverObject object;
00441 const SpriteGroup *group;
00442
00443 assert(IsValidTile(tile) && (not_yet_constructed || IsTileType(tile, MP_HOUSE)));
00444
00445 NewHouseResolver(&object, house_id, tile, town);
00446 object.callback = callback;
00447 object.callback_param1 = param1;
00448 object.callback_param2 = param2;
00449 object.u.house.not_yet_constructed = not_yet_constructed;
00450 object.u.house.initial_random_bits = initial_random_bits;
00451 object.u.house.watched_cargo_triggers = watched_cargo_triggers;
00452
00453 group = SpriteGroup::Resolve(HouseSpec::Get(house_id)->grf_prop.spritegroup[0], &object);
00454 if (group == NULL) return CALLBACK_FAILED;
00455
00456 return group->GetCallbackResult();
00457 }
00458
00459 static void DrawTileLayout(const TileInfo *ti, const TileLayoutSpriteGroup *group, byte stage, HouseID house_id)
00460 {
00461 const DrawTileSprites *dts = group->ProcessRegisters(&stage);
00462
00463 const HouseSpec *hs = HouseSpec::Get(house_id);
00464 PaletteID palette = hs->random_colour[TileHash2Bit(ti->x, ti->y)] + PALETTE_RECOLOUR_START;
00465 if (HasBit(hs->callback_mask, CBM_HOUSE_COLOUR)) {
00466 uint16 callback = GetHouseCallback(CBID_HOUSE_COLOUR, 0, 0, house_id, Town::GetByTile(ti->tile), ti->tile);
00467 if (callback != CALLBACK_FAILED) {
00468
00469 palette = HasBit(callback, 14) ? GB(callback, 0, 8) + SPR_2CCMAP_BASE : callback;
00470 }
00471 }
00472
00473 SpriteID image = dts->ground.sprite;
00474 PaletteID pal = dts->ground.pal;
00475
00476 if (HasBit(image, SPRITE_MODIFIER_CUSTOM_SPRITE)) image += stage;
00477 if (HasBit(pal, SPRITE_MODIFIER_CUSTOM_SPRITE)) pal += stage;
00478
00479 if (GB(image, 0, SPRITE_WIDTH) != 0) {
00480 DrawGroundSprite(image, GroundSpritePaletteTransform(image, pal, palette));
00481 }
00482
00483 DrawNewGRFTileSeq(ti, dts, TO_HOUSES, stage, palette);
00484 }
00485
00486 void DrawNewHouseTile(TileInfo *ti, HouseID house_id)
00487 {
00488 const HouseSpec *hs = HouseSpec::Get(house_id);
00489 const SpriteGroup *group;
00490 ResolverObject object;
00491
00492 if (ti->tileh != SLOPE_FLAT) {
00493 bool draw_old_one = true;
00494 if (HasBit(hs->callback_mask, CBM_HOUSE_DRAW_FOUNDATIONS)) {
00495
00496 uint32 callback_res = GetHouseCallback(CBID_HOUSE_DRAW_FOUNDATIONS, 0, 0, house_id, Town::GetByTile(ti->tile), ti->tile);
00497 if (callback_res != CALLBACK_FAILED) draw_old_one = ConvertBooleanCallback(hs->grf_prop.grffile, CBID_HOUSE_DRAW_FOUNDATIONS, callback_res);
00498 }
00499
00500 if (draw_old_one) DrawFoundation(ti, FOUNDATION_LEVELED);
00501 }
00502
00503 NewHouseResolver(&object, house_id, ti->tile, Town::GetByTile(ti->tile));
00504
00505 group = SpriteGroup::Resolve(hs->grf_prop.spritegroup[0], &object);
00506 if (group == NULL || group->type != SGT_TILELAYOUT) {
00507 return;
00508 } else {
00509
00510 const TileLayoutSpriteGroup *tlgroup = (const TileLayoutSpriteGroup *)group;
00511 byte stage = GetHouseBuildingStage(ti->tile);
00512 DrawTileLayout(ti, tlgroup, stage, house_id);
00513 }
00514 }
00515
00516
00517 uint16 GetSimpleHouseCallback(CallbackID callback, uint32 param1, uint32 param2, const HouseSpec *spec, Town *town, TileIndex tile, uint32 extra_data)
00518 {
00519 return GetHouseCallback(callback, param1, param2, spec - HouseSpec::Get(0), town, tile, false, 0, extra_data);
00520 }
00521
00523 struct HouseAnimationBase : public AnimationBase<HouseAnimationBase, HouseSpec, Town, uint32, GetSimpleHouseCallback> {
00524 static const CallbackID cb_animation_speed = CBID_HOUSE_ANIMATION_SPEED;
00525 static const CallbackID cb_animation_next_frame = CBID_HOUSE_ANIMATION_NEXT_FRAME;
00526
00527 static const HouseCallbackMask cbm_animation_speed = CBM_HOUSE_ANIMATION_SPEED;
00528 static const HouseCallbackMask cbm_animation_next_frame = CBM_HOUSE_ANIMATION_NEXT_FRAME;
00529 };
00530
00531 void AnimateNewHouseTile(TileIndex tile)
00532 {
00533 const HouseSpec *hs = HouseSpec::Get(GetHouseType(tile));
00534 if (hs == NULL) return;
00535
00536 HouseAnimationBase::AnimateTile(hs, Town::GetByTile(tile), tile, HasBit(hs->extra_flags, CALLBACK_1A_RANDOM_BITS));
00537 }
00538
00539 void AnimateNewHouseConstruction(TileIndex tile)
00540 {
00541 const HouseSpec *hs = HouseSpec::Get(GetHouseType(tile));
00542
00543 if (HasBit(hs->callback_mask, CBM_HOUSE_CONSTRUCTION_STATE_CHANGE)) {
00544 HouseAnimationBase::ChangeAnimationFrame(CBID_HOUSE_CONSTRUCTION_STATE_CHANGE, hs, Town::GetByTile(tile), tile, 0, 0);
00545 }
00546 }
00547
00548 bool CanDeleteHouse(TileIndex tile)
00549 {
00550 const HouseSpec *hs = HouseSpec::Get(GetHouseType(tile));
00551
00552
00553
00554 if (Company::IsValidHumanID(_current_company) || _current_company == OWNER_WATER || _current_company == OWNER_NONE) {
00555 return true;
00556 }
00557
00558 if (HasBit(hs->callback_mask, CBM_HOUSE_DENY_DESTRUCTION)) {
00559 uint16 callback_res = GetHouseCallback(CBID_HOUSE_DENY_DESTRUCTION, 0, 0, GetHouseType(tile), Town::GetByTile(tile), tile);
00560 return (callback_res == CALLBACK_FAILED || !ConvertBooleanCallback(hs->grf_prop.grffile, CBID_HOUSE_DENY_DESTRUCTION, callback_res));
00561 } else {
00562 return !(hs->extra_flags & BUILDING_IS_PROTECTED);
00563 }
00564 }
00565
00566 static void AnimationControl(TileIndex tile, uint16 random_bits)
00567 {
00568 const HouseSpec *hs = HouseSpec::Get(GetHouseType(tile));
00569
00570 if (HasBit(hs->callback_mask, CBM_HOUSE_ANIMATION_START_STOP)) {
00571 uint32 param = (hs->extra_flags & SYNCHRONISED_CALLBACK_1B) ? (GB(Random(), 0, 16) | random_bits << 16) : Random();
00572 HouseAnimationBase::ChangeAnimationFrame(CBID_HOUSE_ANIMATION_START_STOP, hs, Town::GetByTile(tile), tile, param, 0);
00573 }
00574 }
00575
00576 bool NewHouseTileLoop(TileIndex tile)
00577 {
00578 const HouseSpec *hs = HouseSpec::Get(GetHouseType(tile));
00579
00580 if (GetHouseProcessingTime(tile) > 0) {
00581 DecHouseProcessingTime(tile);
00582 return true;
00583 }
00584
00585 TriggerHouse(tile, HOUSE_TRIGGER_TILE_LOOP);
00586 if (hs->building_flags & BUILDING_HAS_1_TILE) TriggerHouse(tile, HOUSE_TRIGGER_TILE_LOOP_TOP);
00587
00588 if (HasBit(hs->callback_mask, CBM_HOUSE_ANIMATION_START_STOP)) {
00589
00590
00591
00592
00593 if (hs->extra_flags & SYNCHRONISED_CALLBACK_1B) {
00594 uint16 random = GB(Random(), 0, 16);
00595
00596 if (hs->building_flags & BUILDING_HAS_1_TILE) AnimationControl(tile, random);
00597 if (hs->building_flags & BUILDING_2_TILES_Y) AnimationControl(TILE_ADDXY(tile, 0, 1), random);
00598 if (hs->building_flags & BUILDING_2_TILES_X) AnimationControl(TILE_ADDXY(tile, 1, 0), random);
00599 if (hs->building_flags & BUILDING_HAS_4_TILES) AnimationControl(TILE_ADDXY(tile, 1, 1), random);
00600 } else {
00601 AnimationControl(tile, 0);
00602 }
00603 }
00604
00605
00606 if (HasBit(hs->callback_mask, CBM_HOUSE_DESTRUCTION)) {
00607 uint16 callback_res = GetHouseCallback(CBID_HOUSE_DESTRUCTION, 0, 0, GetHouseType(tile), Town::GetByTile(tile), tile);
00608 if (callback_res != CALLBACK_FAILED && Convert8bitBooleanCallback(hs->grf_prop.grffile, CBID_HOUSE_DESTRUCTION, callback_res)) {
00609 ClearTownHouse(Town::GetByTile(tile), tile);
00610 return false;
00611 }
00612 }
00613
00614 SetHouseProcessingTime(tile, hs->processing_time);
00615 MarkTileDirtyByTile(tile);
00616 return true;
00617 }
00618
00619 static void DoTriggerHouse(TileIndex tile, HouseTrigger trigger, byte base_random, bool first)
00620 {
00621 ResolverObject object;
00622
00623
00624 assert(IsTileType(tile, MP_HOUSE));
00625
00626 HouseID hid = GetHouseType(tile);
00627 HouseSpec *hs = HouseSpec::Get(hid);
00628
00629 if (hs->grf_prop.spritegroup == NULL) return;
00630
00631 NewHouseResolver(&object, hid, tile, Town::GetByTile(tile));
00632
00633 object.callback = CBID_RANDOM_TRIGGER;
00634 object.trigger = trigger;
00635
00636 const SpriteGroup *group = SpriteGroup::Resolve(hs->grf_prop.spritegroup[0], &object);
00637 if (group == NULL) return;
00638
00639 byte new_random_bits = Random();
00640 byte random_bits = GetHouseRandomBits(tile);
00641 uint32 reseed = object.GetReseedSum();
00642 random_bits &= ~reseed;
00643 random_bits |= (first ? new_random_bits : base_random) & reseed;
00644 SetHouseRandomBits(tile, random_bits);
00645
00646 switch (trigger) {
00647 case HOUSE_TRIGGER_TILE_LOOP:
00648
00649 break;
00650
00651 case HOUSE_TRIGGER_TILE_LOOP_TOP:
00652 if (!first) {
00653
00654 MarkTileDirtyByTile(tile);
00655 break;
00656 }
00657
00658 if (hs->building_flags & BUILDING_2_TILES_Y) DoTriggerHouse(TILE_ADDXY(tile, 0, 1), trigger, random_bits, false);
00659 if (hs->building_flags & BUILDING_2_TILES_X) DoTriggerHouse(TILE_ADDXY(tile, 1, 0), trigger, random_bits, false);
00660 if (hs->building_flags & BUILDING_HAS_4_TILES) DoTriggerHouse(TILE_ADDXY(tile, 1, 1), trigger, random_bits, false);
00661 break;
00662 }
00663 }
00664
00665 void TriggerHouse(TileIndex t, HouseTrigger trigger)
00666 {
00667 DoTriggerHouse(t, trigger, 0, true);
00668 }
00669
00677 void DoWatchedCargoCallback(TileIndex tile, TileIndex origin, uint32 trigger_cargoes, uint16 random)
00678 {
00679 TileIndexDiffC diff = TileIndexToTileIndexDiffC(origin, tile);
00680 uint32 cb_info = random << 16 | (uint8)diff.y << 8 | (uint8)diff.x;
00681 HouseAnimationBase::ChangeAnimationFrame(CBID_HOUSE_WATCHED_CARGO_ACCEPTED, HouseSpec::Get(GetHouseType(tile)), Town::GetByTile(tile), tile, 0, cb_info, trigger_cargoes);
00682 }
00683
00690 void WatchedCargoCallback(TileIndex tile, uint32 trigger_cargoes)
00691 {
00692 assert(IsTileType(tile, MP_HOUSE));
00693 HouseID id = GetHouseType(tile);
00694 const HouseSpec *hs = HouseSpec::Get(id);
00695
00696 trigger_cargoes &= hs->watched_cargoes;
00697
00698 if (trigger_cargoes == 0) return;
00699
00700
00701 uint16 r = Random();
00702
00703
00704 TileIndex north = tile + GetHouseNorthPart(id);
00705 hs = HouseSpec::Get(id);
00706
00707 DoWatchedCargoCallback(north, tile, trigger_cargoes, r);
00708 if (hs->building_flags & BUILDING_2_TILES_Y) DoWatchedCargoCallback(TILE_ADDXY(north, 0, 1), tile, trigger_cargoes, r);
00709 if (hs->building_flags & BUILDING_2_TILES_X) DoWatchedCargoCallback(TILE_ADDXY(north, 1, 0), tile, trigger_cargoes, r);
00710 if (hs->building_flags & BUILDING_HAS_4_TILES) DoWatchedCargoCallback(TILE_ADDXY(north, 1, 1), tile, trigger_cargoes, r);
00711 }
00712
00718 void GetHouseResolver(ResolverObject *ro, uint index)
00719 {
00720 NewHouseResolver(ro, GetHouseType(index), index, Town::GetByTile(index));
00721 }