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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, NUM_HOUSES, INVALID_HOUSE_ID);
00031
00042 HouseScopeResolver::HouseScopeResolver(ResolverObject &ro, HouseID house_id, TileIndex tile, Town *town,
00043 bool not_yet_constructed, uint8 initial_random_bits, uint32 watched_cargo_triggers)
00044 : ScopeResolver(ro)
00045 {
00046 this->house_id = house_id;
00047 this->tile = tile;
00048 this->town = town;
00049 this->not_yet_constructed = not_yet_constructed;
00050 this->initial_random_bits = initial_random_bits;
00051 this->watched_cargo_triggers = watched_cargo_triggers;
00052 }
00053
00059 static const GRFFile *GetHouseSpecGrf(HouseID house_id)
00060 {
00061 const HouseSpec *hs = HouseSpec::Get(house_id);
00062 return (hs != NULL) ? hs->grf_prop.grffile : NULL;
00063 }
00064
00077 HouseResolverObject::HouseResolverObject(HouseID house_id, TileIndex tile, Town *town,
00078 CallbackID callback, uint32 param1, uint32 param2,
00079 bool not_yet_constructed, uint8 initial_random_bits, uint32 watched_cargo_triggers)
00080 : ResolverObject(GetHouseSpecGrf(house_id), callback, param1, param2),
00081 house_scope(*this, house_id, tile, town, not_yet_constructed, initial_random_bits, watched_cargo_triggers),
00082 town_scope(*this, town, not_yet_constructed)
00083 {
00084 }
00085
00086 HouseClassID AllocateHouseClassID(byte grf_class_id, uint32 grfid)
00087 {
00088
00089 for (int i = 1; i != lengthof(_class_mapping); i++) {
00090 HouseClassMapping *map = &_class_mapping[i];
00091
00092 if (map->class_id == grf_class_id && map->grfid == grfid) return (HouseClassID)i;
00093
00094 if (map->class_id == 0 && map->grfid == 0) {
00095 map->class_id = grf_class_id;
00096 map->grfid = grfid;
00097 return (HouseClassID)i;
00098 }
00099 }
00100 return HOUSE_NO_CLASS;
00101 }
00102
00103 void InitializeBuildingCounts()
00104 {
00105 memset(&_building_counts, 0, sizeof(_building_counts));
00106
00107 Town *t;
00108 FOR_ALL_TOWNS(t) {
00109 memset(&t->cache.building_counts, 0, sizeof(t->cache.building_counts));
00110 }
00111 }
00112
00119 void IncreaseBuildingCount(Town *t, HouseID house_id)
00120 {
00121 HouseClassID class_id = HouseSpec::Get(house_id)->class_id;
00122
00123 if (!_loaded_newgrf_features.has_newhouses) return;
00124
00125 t->cache.building_counts.id_count[house_id]++;
00126 _building_counts.id_count[house_id]++;
00127
00128 if (class_id == HOUSE_NO_CLASS) return;
00129
00130 t->cache.building_counts.class_count[class_id]++;
00131 _building_counts.class_count[class_id]++;
00132 }
00133
00140 void DecreaseBuildingCount(Town *t, HouseID house_id)
00141 {
00142 HouseClassID class_id = HouseSpec::Get(house_id)->class_id;
00143
00144 if (!_loaded_newgrf_features.has_newhouses) return;
00145
00146 if (t->cache.building_counts.id_count[house_id] > 0) t->cache.building_counts.id_count[house_id]--;
00147 if (_building_counts.id_count[house_id] > 0) _building_counts.id_count[house_id]--;
00148
00149 if (class_id == HOUSE_NO_CLASS) return;
00150
00151 if (t->cache.building_counts.class_count[class_id] > 0) t->cache.building_counts.class_count[class_id]--;
00152 if (_building_counts.class_count[class_id] > 0) _building_counts.class_count[class_id]--;
00153 }
00154
00155 uint32 HouseScopeResolver::GetRandomBits() const
00156 {
00157
00158 assert(IsValidTile(this->tile) && (this->not_yet_constructed || IsTileType(this->tile, MP_HOUSE)));
00159 return this->not_yet_constructed ? this->initial_random_bits : GetHouseRandomBits(this->tile);
00160 }
00161
00162 uint32 HouseScopeResolver::GetTriggers() const
00163 {
00164
00165 assert(IsValidTile(this->tile) && (this->not_yet_constructed || IsTileType(this->tile, MP_HOUSE)));
00166 return this->not_yet_constructed ? 0 : GetHouseTriggers(this->tile);
00167 }
00168
00169 void HouseScopeResolver::SetTriggers(int triggers) const
00170 {
00171 assert(!this->not_yet_constructed && IsValidTile(this->tile) && IsTileType(this->tile, MP_HOUSE));
00172 SetHouseTriggers(this->tile, triggers);
00173 }
00174
00175 static uint32 GetNumHouses(HouseID house_id, const Town *town)
00176 {
00177 uint8 map_id_count, town_id_count, map_class_count, town_class_count;
00178 HouseClassID class_id = HouseSpec::Get(house_id)->class_id;
00179
00180 map_id_count = ClampU(_building_counts.id_count[house_id], 0, 255);
00181 map_class_count = ClampU(_building_counts.class_count[class_id], 0, 255);
00182 town_id_count = ClampU(town->cache.building_counts.id_count[house_id], 0, 255);
00183 town_class_count = ClampU(town->cache.building_counts.class_count[class_id], 0, 255);
00184
00185 return map_class_count << 24 | town_class_count << 16 | map_id_count << 8 | town_id_count;
00186 }
00187
00195 static uint32 GetNearbyTileInformation(byte parameter, TileIndex tile, bool grf_version8)
00196 {
00197 tile = GetNearbyTile(parameter, tile);
00198 return GetNearbyTileInformation(tile, grf_version8);
00199 }
00200
00202 struct SearchNearbyHouseData {
00203 const HouseSpec *hs;
00204 TileIndex north_tile;
00205 };
00206
00213 static bool SearchNearbyHouseID(TileIndex tile, void *user_data)
00214 {
00215 if (IsTileType(tile, MP_HOUSE)) {
00216 HouseID house = GetHouseType(tile);
00217 const HouseSpec *hs = HouseSpec::Get(house);
00218 if (hs->grf_prop.grffile != NULL) {
00219 SearchNearbyHouseData *nbhd = (SearchNearbyHouseData *)user_data;
00220
00221 TileIndex north_tile = tile + GetHouseNorthPart(house);
00222 if (north_tile == nbhd->north_tile) return false;
00223
00224 return hs->grf_prop.local_id == nbhd->hs->grf_prop.local_id &&
00225 hs->grf_prop.grffile->grfid == nbhd->hs->grf_prop.grffile->grfid;
00226 }
00227 }
00228 return false;
00229 }
00230
00237 static bool SearchNearbyHouseClass(TileIndex tile, void *user_data)
00238 {
00239 if (IsTileType(tile, MP_HOUSE)) {
00240 HouseID house = GetHouseType(tile);
00241 const HouseSpec *hs = HouseSpec::Get(house);
00242 if (hs->grf_prop.grffile != NULL) {
00243 SearchNearbyHouseData *nbhd = (SearchNearbyHouseData *)user_data;
00244
00245 TileIndex north_tile = tile + GetHouseNorthPart(house);
00246 if (north_tile == nbhd->north_tile) return false;
00247
00248 return hs->class_id == nbhd->hs->class_id &&
00249 hs->grf_prop.grffile->grfid == nbhd->hs->grf_prop.grffile->grfid;
00250 }
00251 }
00252 return false;
00253 }
00254
00261 static bool SearchNearbyHouseGRFID(TileIndex tile, void *user_data)
00262 {
00263 if (IsTileType(tile, MP_HOUSE)) {
00264 HouseID house = GetHouseType(tile);
00265 const HouseSpec *hs = HouseSpec::Get(house);
00266 if (hs->grf_prop.grffile != NULL) {
00267 SearchNearbyHouseData *nbhd = (SearchNearbyHouseData *)user_data;
00268
00269 TileIndex north_tile = tile + GetHouseNorthPart(house);
00270 if (north_tile == nbhd->north_tile) return false;
00271
00272 return hs->grf_prop.grffile->grfid == nbhd->hs->grf_prop.grffile->grfid;
00273 }
00274 }
00275 return false;
00276 }
00277
00288 static uint32 GetDistanceFromNearbyHouse(uint8 parameter, TileIndex tile, HouseID house)
00289 {
00290 static TestTileOnSearchProc * const search_procs[3] = {
00291 SearchNearbyHouseID,
00292 SearchNearbyHouseClass,
00293 SearchNearbyHouseGRFID,
00294 };
00295 TileIndex found_tile = tile;
00296 uint8 searchtype = GB(parameter, 6, 2);
00297 uint8 searchradius = GB(parameter, 0, 6);
00298 if (searchtype >= lengthof(search_procs)) return 0;
00299 if (searchradius < 1) return 0;
00300
00301 SearchNearbyHouseData nbhd;
00302 nbhd.hs = HouseSpec::Get(house);
00303 nbhd.north_tile = tile + GetHouseNorthPart(house);
00304
00305
00306 if (CircularTileSearch(&found_tile, 2 * searchradius + 1, search_procs[searchtype], &nbhd)) {
00307 return DistanceManhattan(found_tile, tile);
00308 }
00309 return 0;
00310 }
00311
00315 uint32 HouseScopeResolver::GetVariable(byte variable, uint32 parameter, bool *available) const
00316 {
00317 switch (variable) {
00318
00319 case 0x40: return (IsTileType(this->tile, MP_HOUSE) ? GetHouseBuildingStage(this->tile) : 0) | TileHash2Bit(TileX(this->tile), TileY(this->tile)) << 2;
00320
00321
00322 case 0x41: return IsTileType(this->tile, MP_HOUSE) ? GetHouseAge(this->tile) : 0;
00323
00324
00325 case 0x42: return GetTownRadiusGroup(this->town, this->tile);
00326
00327
00328 case 0x43: return GetTerrainType(this->tile);
00329
00330
00331 case 0x44: return GetNumHouses(this->house_id, this->town);
00332
00333
00334 case 0x45: return _generating_world ? 1 : 0;
00335
00336
00337 case 0x46: return IsTileType(this->tile, MP_HOUSE) ? GetAnimationFrame(this->tile) : 0;
00338
00339
00340 case 0x47: return TileY(this->tile) << 16 | TileX(this->tile);
00341
00342
00343 case 0x60: return parameter < NEW_HOUSE_OFFSET ? GetNumHouses(parameter, this->town) : 0;
00344
00345
00346 case 0x61: {
00347 const HouseSpec *hs = HouseSpec::Get(this->house_id);
00348 if (hs->grf_prop.grffile == NULL) return 0;
00349
00350 HouseID new_house = _house_mngr.GetID(parameter, hs->grf_prop.grffile->grfid);
00351 return new_house == INVALID_HOUSE_ID ? 0 : GetNumHouses(new_house, this->town);
00352 }
00353
00354
00355 case 0x62: return GetNearbyTileInformation(parameter, this->tile, this->ro.grffile->grf_version >= 8);
00356
00357
00358 case 0x63: {
00359 TileIndex testtile = GetNearbyTile(parameter, this->tile);
00360 return IsTileType(testtile, MP_HOUSE) ? GetAnimationFrame(testtile) : 0;
00361 }
00362
00363
00364 case 0x64: {
00365 CargoID cid = GetCargoTranslation(parameter, this->ro.grffile);
00366 if (cid == CT_INVALID) return 0;
00367
00368
00369 int8 x_offs = GB(GetRegister(0x100), 0, 8);
00370 int8 y_offs = GB(GetRegister(0x100), 8, 8);
00371 TileIndex testtile = TILE_MASK(this->tile + TileDiffXY(x_offs, y_offs));
00372
00373 StationFinder stations(TileArea(testtile, 1, 1));
00374 const StationList *sl = stations.GetStations();
00375
00376
00377 uint32 res = 0;
00378 for (Station * const * st_iter = sl->Begin(); st_iter != sl->End(); st_iter++) {
00379 const Station *st = *st_iter;
00380 if (HasBit(st->goods[cid].acceptance_pickup, GoodsEntry::GES_EVER_ACCEPTED)) SetBit(res, 0);
00381 if (HasBit(st->goods[cid].acceptance_pickup, GoodsEntry::GES_LAST_MONTH)) SetBit(res, 1);
00382 if (HasBit(st->goods[cid].acceptance_pickup, GoodsEntry::GES_CURRENT_MONTH)) SetBit(res, 2);
00383 if (HasBit(st->goods[cid].acceptance_pickup, GoodsEntry::GES_ACCEPTED_BIGTICK)) SetBit(res, 3);
00384 }
00385
00386
00387 if (HasBit(this->watched_cargo_triggers, cid)) SetBit(res, 4);
00388
00389 return res;
00390 }
00391
00392
00393 case 0x65: return GetDistanceFromNearbyHouse(parameter, this->tile, this->house_id);
00394
00395
00396 case 0x66: {
00397 TileIndex testtile = GetNearbyTile(parameter, this->tile);
00398 if (!IsTileType(testtile, MP_HOUSE)) return 0xFFFFFFFF;
00399 HouseSpec *hs = HouseSpec::Get(GetHouseType(testtile));
00400
00401 uint houseclass = 0;
00402 if (hs->class_id != HOUSE_NO_CLASS) {
00403 houseclass = (hs->grf_prop.grffile == this->ro.grffile ? 1 : 2) << 8;
00404 houseclass |= _class_mapping[hs->class_id].class_id;
00405 }
00406
00407 uint local_houseid = 0;
00408 if (this->house_id < NEW_HOUSE_OFFSET) {
00409 local_houseid = this->house_id;
00410 } else {
00411 local_houseid = (hs->grf_prop.grffile == this->ro.grffile ? 1 : 2) << 8;
00412 local_houseid |= hs->grf_prop.local_id;
00413 }
00414 return houseclass << 16 | local_houseid;
00415 }
00416
00417
00418 case 0x67: {
00419 TileIndex testtile = GetNearbyTile(parameter, this->tile);
00420 if (!IsTileType(testtile, MP_HOUSE)) return 0xFFFFFFFF;
00421 HouseID house_id = GetHouseType(testtile);
00422 if (house_id < NEW_HOUSE_OFFSET) return 0;
00423
00424
00425 return _house_mngr.GetGRFID(house_id);
00426 }
00427 }
00428
00429 DEBUG(grf, 1, "Unhandled house variable 0x%X", variable);
00430
00431 *available = false;
00432 return UINT_MAX;
00433 }
00434
00435 uint16 GetHouseCallback(CallbackID callback, uint32 param1, uint32 param2, HouseID house_id, Town *town, TileIndex tile,
00436 bool not_yet_constructed, uint8 initial_random_bits, uint32 watched_cargo_triggers)
00437 {
00438 assert(IsValidTile(tile) && (not_yet_constructed || IsTileType(tile, MP_HOUSE)));
00439
00440 HouseResolverObject object(house_id, tile, town, callback, param1, param2,
00441 not_yet_constructed, initial_random_bits, watched_cargo_triggers);
00442
00443 const SpriteGroup *group = SpriteGroup::Resolve(HouseSpec::Get(house_id)->grf_prop.spritegroup[0], object);
00444 if (group == NULL) return CALLBACK_FAILED;
00445
00446 return group->GetCallbackResult();
00447 }
00448
00449 static void DrawTileLayout(const TileInfo *ti, const TileLayoutSpriteGroup *group, byte stage, HouseID house_id)
00450 {
00451 const DrawTileSprites *dts = group->ProcessRegisters(&stage);
00452
00453 const HouseSpec *hs = HouseSpec::Get(house_id);
00454 PaletteID palette = hs->random_colour[TileHash2Bit(ti->x, ti->y)] + PALETTE_RECOLOUR_START;
00455 if (HasBit(hs->callback_mask, CBM_HOUSE_COLOUR)) {
00456 uint16 callback = GetHouseCallback(CBID_HOUSE_COLOUR, 0, 0, house_id, Town::GetByTile(ti->tile), ti->tile);
00457 if (callback != CALLBACK_FAILED) {
00458
00459 palette = HasBit(callback, 14) ? GB(callback, 0, 8) + SPR_2CCMAP_BASE : callback;
00460 }
00461 }
00462
00463 SpriteID image = dts->ground.sprite;
00464 PaletteID pal = dts->ground.pal;
00465
00466 if (HasBit(image, SPRITE_MODIFIER_CUSTOM_SPRITE)) image += stage;
00467 if (HasBit(pal, SPRITE_MODIFIER_CUSTOM_SPRITE)) pal += stage;
00468
00469 if (GB(image, 0, SPRITE_WIDTH) != 0) {
00470 DrawGroundSprite(image, GroundSpritePaletteTransform(image, pal, palette));
00471 }
00472
00473 DrawNewGRFTileSeq(ti, dts, TO_HOUSES, stage, palette);
00474 }
00475
00476 void DrawNewHouseTile(TileInfo *ti, HouseID house_id)
00477 {
00478 const HouseSpec *hs = HouseSpec::Get(house_id);
00479
00480 if (ti->tileh != SLOPE_FLAT) {
00481 bool draw_old_one = true;
00482 if (HasBit(hs->callback_mask, CBM_HOUSE_DRAW_FOUNDATIONS)) {
00483
00484 uint32 callback_res = GetHouseCallback(CBID_HOUSE_DRAW_FOUNDATIONS, 0, 0, house_id, Town::GetByTile(ti->tile), ti->tile);
00485 if (callback_res != CALLBACK_FAILED) draw_old_one = ConvertBooleanCallback(hs->grf_prop.grffile, CBID_HOUSE_DRAW_FOUNDATIONS, callback_res);
00486 }
00487
00488 if (draw_old_one) DrawFoundation(ti, FOUNDATION_LEVELED);
00489 }
00490
00491 HouseResolverObject object(house_id, ti->tile, Town::GetByTile(ti->tile));
00492
00493 const SpriteGroup *group = SpriteGroup::Resolve(hs->grf_prop.spritegroup[0], object);
00494 if (group != NULL && group->type == SGT_TILELAYOUT) {
00495
00496 const TileLayoutSpriteGroup *tlgroup = (const TileLayoutSpriteGroup *)group;
00497 byte stage = GetHouseBuildingStage(ti->tile);
00498 DrawTileLayout(ti, tlgroup, stage, house_id);
00499 }
00500 }
00501
00502
00503 uint16 GetSimpleHouseCallback(CallbackID callback, uint32 param1, uint32 param2, const HouseSpec *spec, Town *town, TileIndex tile, uint32 extra_data)
00504 {
00505 return GetHouseCallback(callback, param1, param2, spec - HouseSpec::Get(0), town, tile, false, 0, extra_data);
00506 }
00507
00509 struct HouseAnimationBase : public AnimationBase<HouseAnimationBase, HouseSpec, Town, uint32, GetSimpleHouseCallback> {
00510 static const CallbackID cb_animation_speed = CBID_HOUSE_ANIMATION_SPEED;
00511 static const CallbackID cb_animation_next_frame = CBID_HOUSE_ANIMATION_NEXT_FRAME;
00512
00513 static const HouseCallbackMask cbm_animation_speed = CBM_HOUSE_ANIMATION_SPEED;
00514 static const HouseCallbackMask cbm_animation_next_frame = CBM_HOUSE_ANIMATION_NEXT_FRAME;
00515 };
00516
00517 void AnimateNewHouseTile(TileIndex tile)
00518 {
00519 const HouseSpec *hs = HouseSpec::Get(GetHouseType(tile));
00520 if (hs == NULL) return;
00521
00522 HouseAnimationBase::AnimateTile(hs, Town::GetByTile(tile), tile, HasBit(hs->extra_flags, CALLBACK_1A_RANDOM_BITS));
00523 }
00524
00525 void AnimateNewHouseConstruction(TileIndex tile)
00526 {
00527 const HouseSpec *hs = HouseSpec::Get(GetHouseType(tile));
00528
00529 if (HasBit(hs->callback_mask, CBM_HOUSE_CONSTRUCTION_STATE_CHANGE)) {
00530 HouseAnimationBase::ChangeAnimationFrame(CBID_HOUSE_CONSTRUCTION_STATE_CHANGE, hs, Town::GetByTile(tile), tile, 0, 0);
00531 }
00532 }
00533
00534 bool CanDeleteHouse(TileIndex tile)
00535 {
00536 const HouseSpec *hs = HouseSpec::Get(GetHouseType(tile));
00537
00538
00539
00540 if (Company::IsValidHumanID(_current_company) || _current_company == OWNER_WATER || _current_company == OWNER_NONE || _game_mode == GM_EDITOR || _generating_world) {
00541 return true;
00542 }
00543
00544 if (HasBit(hs->callback_mask, CBM_HOUSE_DENY_DESTRUCTION)) {
00545 uint16 callback_res = GetHouseCallback(CBID_HOUSE_DENY_DESTRUCTION, 0, 0, GetHouseType(tile), Town::GetByTile(tile), tile);
00546 return (callback_res == CALLBACK_FAILED || !ConvertBooleanCallback(hs->grf_prop.grffile, CBID_HOUSE_DENY_DESTRUCTION, callback_res));
00547 } else {
00548 return !(hs->extra_flags & BUILDING_IS_PROTECTED);
00549 }
00550 }
00551
00552 static void AnimationControl(TileIndex tile, uint16 random_bits)
00553 {
00554 const HouseSpec *hs = HouseSpec::Get(GetHouseType(tile));
00555
00556 if (HasBit(hs->callback_mask, CBM_HOUSE_ANIMATION_START_STOP)) {
00557 uint32 param = (hs->extra_flags & SYNCHRONISED_CALLBACK_1B) ? (GB(Random(), 0, 16) | random_bits << 16) : Random();
00558 HouseAnimationBase::ChangeAnimationFrame(CBID_HOUSE_ANIMATION_START_STOP, hs, Town::GetByTile(tile), tile, param, 0);
00559 }
00560 }
00561
00562 bool NewHouseTileLoop(TileIndex tile)
00563 {
00564 const HouseSpec *hs = HouseSpec::Get(GetHouseType(tile));
00565
00566 if (GetHouseProcessingTime(tile) > 0) {
00567 DecHouseProcessingTime(tile);
00568 return true;
00569 }
00570
00571 TriggerHouse(tile, HOUSE_TRIGGER_TILE_LOOP);
00572 if (hs->building_flags & BUILDING_HAS_1_TILE) TriggerHouse(tile, HOUSE_TRIGGER_TILE_LOOP_TOP);
00573
00574 if (HasBit(hs->callback_mask, CBM_HOUSE_ANIMATION_START_STOP)) {
00575
00576
00577
00578
00579 if (hs->extra_flags & SYNCHRONISED_CALLBACK_1B) {
00580 uint16 random = GB(Random(), 0, 16);
00581
00582 if (hs->building_flags & BUILDING_HAS_1_TILE) AnimationControl(tile, random);
00583 if (hs->building_flags & BUILDING_2_TILES_Y) AnimationControl(TILE_ADDXY(tile, 0, 1), random);
00584 if (hs->building_flags & BUILDING_2_TILES_X) AnimationControl(TILE_ADDXY(tile, 1, 0), random);
00585 if (hs->building_flags & BUILDING_HAS_4_TILES) AnimationControl(TILE_ADDXY(tile, 1, 1), random);
00586 } else {
00587 AnimationControl(tile, 0);
00588 }
00589 }
00590
00591
00592 if (HasBit(hs->callback_mask, CBM_HOUSE_DESTRUCTION)) {
00593 uint16 callback_res = GetHouseCallback(CBID_HOUSE_DESTRUCTION, 0, 0, GetHouseType(tile), Town::GetByTile(tile), tile);
00594 if (callback_res != CALLBACK_FAILED && Convert8bitBooleanCallback(hs->grf_prop.grffile, CBID_HOUSE_DESTRUCTION, callback_res)) {
00595 ClearTownHouse(Town::GetByTile(tile), tile);
00596 return false;
00597 }
00598 }
00599
00600 SetHouseProcessingTime(tile, hs->processing_time);
00601 MarkTileDirtyByTile(tile);
00602 return true;
00603 }
00604
00605 static void DoTriggerHouse(TileIndex tile, HouseTrigger trigger, byte base_random, bool first)
00606 {
00607
00608 assert(IsTileType(tile, MP_HOUSE));
00609
00610 HouseID hid = GetHouseType(tile);
00611 HouseSpec *hs = HouseSpec::Get(hid);
00612
00613 if (hs->grf_prop.spritegroup[0] == NULL) return;
00614
00615 HouseResolverObject object(hid, tile, Town::GetByTile(tile), CBID_RANDOM_TRIGGER);
00616 object.trigger = trigger;
00617
00618 const SpriteGroup *group = SpriteGroup::Resolve(hs->grf_prop.spritegroup[0], object);
00619 if (group == NULL) return;
00620
00621 byte new_random_bits = Random();
00622 byte random_bits = GetHouseRandomBits(tile);
00623 uint32 reseed = object.GetReseedSum();
00624 random_bits &= ~reseed;
00625 random_bits |= (first ? new_random_bits : base_random) & reseed;
00626 SetHouseRandomBits(tile, random_bits);
00627
00628 switch (trigger) {
00629 case HOUSE_TRIGGER_TILE_LOOP:
00630
00631 break;
00632
00633 case HOUSE_TRIGGER_TILE_LOOP_TOP:
00634 if (!first) {
00635
00636 MarkTileDirtyByTile(tile);
00637 break;
00638 }
00639
00640 if (hs->building_flags & BUILDING_2_TILES_Y) DoTriggerHouse(TILE_ADDXY(tile, 0, 1), trigger, random_bits, false);
00641 if (hs->building_flags & BUILDING_2_TILES_X) DoTriggerHouse(TILE_ADDXY(tile, 1, 0), trigger, random_bits, false);
00642 if (hs->building_flags & BUILDING_HAS_4_TILES) DoTriggerHouse(TILE_ADDXY(tile, 1, 1), trigger, random_bits, false);
00643 break;
00644 }
00645 }
00646
00647 void TriggerHouse(TileIndex t, HouseTrigger trigger)
00648 {
00649 DoTriggerHouse(t, trigger, 0, true);
00650 }
00651
00659 void DoWatchedCargoCallback(TileIndex tile, TileIndex origin, uint32 trigger_cargoes, uint16 random)
00660 {
00661 TileIndexDiffC diff = TileIndexToTileIndexDiffC(origin, tile);
00662 uint32 cb_info = random << 16 | (uint8)diff.y << 8 | (uint8)diff.x;
00663 HouseAnimationBase::ChangeAnimationFrame(CBID_HOUSE_WATCHED_CARGO_ACCEPTED, HouseSpec::Get(GetHouseType(tile)), Town::GetByTile(tile), tile, 0, cb_info, trigger_cargoes);
00664 }
00665
00672 void WatchedCargoCallback(TileIndex tile, uint32 trigger_cargoes)
00673 {
00674 assert(IsTileType(tile, MP_HOUSE));
00675 HouseID id = GetHouseType(tile);
00676 const HouseSpec *hs = HouseSpec::Get(id);
00677
00678 trigger_cargoes &= hs->watched_cargoes;
00679
00680 if (trigger_cargoes == 0) return;
00681
00682
00683 uint16 r = Random();
00684
00685
00686 TileIndex north = tile + GetHouseNorthPart(id);
00687 hs = HouseSpec::Get(id);
00688
00689 DoWatchedCargoCallback(north, tile, trigger_cargoes, r);
00690 if (hs->building_flags & BUILDING_2_TILES_Y) DoWatchedCargoCallback(TILE_ADDXY(north, 0, 1), tile, trigger_cargoes, r);
00691 if (hs->building_flags & BUILDING_2_TILES_X) DoWatchedCargoCallback(TILE_ADDXY(north, 1, 0), tile, trigger_cargoes, r);
00692 if (hs->building_flags & BUILDING_HAS_4_TILES) DoWatchedCargoCallback(TILE_ADDXY(north, 1, 1), tile, trigger_cargoes, r);
00693 }
00694