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Diffstat (limited to 'src/script/api/script_town.cpp')
| -rw-r--r-- | src/script/api/script_town.cpp | 253 |
1 files changed, 253 insertions, 0 deletions
diff --git a/src/script/api/script_town.cpp b/src/script/api/script_town.cpp new file mode 100644 index 000000000..acde58e18 --- /dev/null +++ b/src/script/api/script_town.cpp @@ -0,0 +1,253 @@ +/* $Id$ */ + +/* + * This file is part of OpenTTD. + * OpenTTD is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, version 2. + * OpenTTD is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. + * See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with OpenTTD. If not, see <http://www.gnu.org/licenses/>. + */ + +/** @file script_town.cpp Implementation of AITown. */ + +#include "../../stdafx.h" +#include "script_town.hpp" +#include "script_map.hpp" +#include "script_cargo.hpp" +#include "script_error.hpp" +#include "../../town.h" +#include "../../strings_func.h" +#include "../../company_func.h" +#include "../../station_base.h" +#include "../../landscape.h" +#include "table/strings.h" + +/* static */ int32 AITown::GetTownCount() +{ + return (int32)::Town::GetNumItems(); +} + +/* static */ bool AITown::IsValidTown(TownID town_id) +{ + return ::Town::IsValidID(town_id); +} + +/* static */ char *AITown::GetName(TownID town_id) +{ + if (!IsValidTown(town_id)) return NULL; + static const int len = 64; + char *town_name = MallocT<char>(len); + + ::SetDParam(0, town_id); + ::GetString(town_name, STR_TOWN_NAME, &town_name[len - 1]); + + return town_name; +} + +/* static */ int32 AITown::GetPopulation(TownID town_id) +{ + if (!IsValidTown(town_id)) return -1; + const Town *t = ::Town::Get(town_id); + return t->population; +} + +/* static */ int32 AITown::GetHouseCount(TownID town_id) +{ + if (!IsValidTown(town_id)) return -1; + const Town *t = ::Town::Get(town_id); + return t->num_houses; +} + +/* static */ TileIndex AITown::GetLocation(TownID town_id) +{ + if (!IsValidTown(town_id)) return INVALID_TILE; + const Town *t = ::Town::Get(town_id); + return t->xy; +} + +/* static */ int32 AITown::GetLastMonthProduction(TownID town_id, CargoID cargo_id) +{ + if (!IsValidTown(town_id)) return -1; + if (!AICargo::IsValidCargo(cargo_id)) return -1; + + const Town *t = ::Town::Get(town_id); + + return t->supplied[cargo_id].old_max; +} + +/* static */ int32 AITown::GetLastMonthSupplied(TownID town_id, CargoID cargo_id) +{ + if (!IsValidTown(town_id)) return -1; + if (!AICargo::IsValidCargo(cargo_id)) return -1; + + const Town *t = ::Town::Get(town_id); + + return t->supplied[cargo_id].old_act; +} + +/* static */ int32 AITown::GetLastMonthTransportedPercentage(TownID town_id, CargoID cargo_id) +{ + if (!IsValidTown(town_id)) return -1; + if (!AICargo::IsValidCargo(cargo_id)) return -1; + + const Town *t = ::Town::Get(town_id); + return ::ToPercent8(t->GetPercentTransported(cargo_id)); +} + +/* static */ int32 AITown::GetLastMonthReceived(TownID town_id, AICargo::TownEffect towneffect_id) +{ + if (!IsValidTown(town_id)) return -1; + if (!AICargo::IsValidTownEffect(towneffect_id)) return -1; + + const Town *t = ::Town::Get(town_id); + + return t->received[towneffect_id].old_act; +} + +/* static */ uint32 AITown::GetCargoGoal(TownID town_id, AICargo::TownEffect towneffect_id) +{ + if (!IsValidTown(town_id)) return -1; + if (!AICargo::IsValidTownEffect(towneffect_id)) return -1; + + const Town *t = ::Town::Get(town_id); + + switch (t->goal[towneffect_id]) { + case TOWN_GROWTH_WINTER: + if (TileHeight(t->xy) >= GetSnowLine() && t->population > 90) return 1; + return 0; + + case TOWN_GROWTH_DESERT: + if (GetTropicZone(t->xy) == TROPICZONE_DESERT && t->population > 60) return 1; + return 0; + + default: return t->goal[towneffect_id]; + } +} + +/* static */ int32 AITown::GetGrowthRate(TownID town_id) +{ + if (!IsValidTown(town_id)) return false; + + const Town *t = ::Town::Get(town_id); + + return (t->growth_rate * TOWN_GROWTH_TICKS + DAY_TICKS) / DAY_TICKS; +} + +/* static */ int32 AITown::GetDistanceManhattanToTile(TownID town_id, TileIndex tile) +{ + return AIMap::DistanceManhattan(tile, GetLocation(town_id)); +} + +/* static */ int32 AITown::GetDistanceSquareToTile(TownID town_id, TileIndex tile) +{ + return AIMap::DistanceSquare(tile, GetLocation(town_id)); +} + +/* static */ bool AITown::IsWithinTownInfluence(TownID town_id, TileIndex tile) +{ + if (!IsValidTown(town_id)) return false; + + const Town *t = ::Town::Get(town_id); + return ((uint32)GetDistanceSquareToTile(town_id, tile) <= t->squared_town_zone_radius[0]); +} + +/* static */ bool AITown::HasStatue(TownID town_id) +{ + if (!IsValidTown(town_id)) return false; + + return ::HasBit(::Town::Get(town_id)->statues, _current_company); +} + +/* static */ bool AITown::IsCity(TownID town_id) +{ + if (!IsValidTown(town_id)) return false; + + return ::Town::Get(town_id)->larger_town; +} + +/* static */ int AITown::GetRoadReworkDuration(TownID town_id) +{ + if (!IsValidTown(town_id)) return -1; + + return ::Town::Get(town_id)->road_build_months; +} + +/* static */ AICompany::CompanyID AITown::GetExclusiveRightsCompany(TownID town_id) +{ + if (!IsValidTown(town_id)) return AICompany::COMPANY_INVALID; + + return (AICompany::CompanyID)(int8)::Town::Get(town_id)->exclusivity; +} + +/* static */ int32 AITown::GetExclusiveRightsDuration(TownID town_id) +{ + if (!IsValidTown(town_id)) return -1; + + return ::Town::Get(town_id)->exclusive_counter; +} + +/* static */ bool AITown::IsActionAvailable(TownID town_id, TownAction town_action) +{ + if (!IsValidTown(town_id)) return false; + + return HasBit(::GetMaskOfTownActions(NULL, _current_company, ::Town::Get(town_id)), town_action); +} + +/* static */ bool AITown::PerformTownAction(TownID town_id, TownAction town_action) +{ + EnforcePrecondition(false, IsValidTown(town_id)); + EnforcePrecondition(false, IsActionAvailable(town_id, town_action)); + + return AIObject::DoCommand(::Town::Get(town_id)->xy, town_id, town_action, CMD_DO_TOWN_ACTION); +} + +/* static */ AITown::TownRating AITown::GetRating(TownID town_id, AICompany::CompanyID company_id) +{ + if (!IsValidTown(town_id)) return TOWN_RATING_INVALID; + AICompany::CompanyID company = AICompany::ResolveCompanyID(company_id); + if (company == AICompany::COMPANY_INVALID) return TOWN_RATING_INVALID; + + const Town *t = ::Town::Get(town_id); + if (!HasBit(t->have_ratings, company)) { + return TOWN_RATING_NONE; + } else if (t->ratings[company] <= RATING_APPALLING) { + return TOWN_RATING_APPALLING; + } else if (t->ratings[company] <= RATING_VERYPOOR) { + return TOWN_RATING_VERY_POOR; + } else if (t->ratings[company] <= RATING_POOR) { + return TOWN_RATING_POOR; + } else if (t->ratings[company] <= RATING_MEDIOCRE) { + return TOWN_RATING_MEDIOCRE; + } else if (t->ratings[company] <= RATING_GOOD) { + return TOWN_RATING_GOOD; + } else if (t->ratings[company] <= RATING_VERYGOOD) { + return TOWN_RATING_VERY_GOOD; + } else if (t->ratings[company] <= RATING_EXCELLENT) { + return TOWN_RATING_EXCELLENT; + } else { + return TOWN_RATING_OUTSTANDING; + } +} + +/* static */ int AITown::GetAllowedNoise(TownID town_id) +{ + if (!IsValidTown(town_id)) return -1; + + const Town *t = ::Town::Get(town_id); + if (_settings_game.economy.station_noise_level) { + return t->MaxTownNoise() - t->noise_reached; + } + + int num = 0; + const Station *st; + FOR_ALL_STATIONS(st) { + if (st->town == t && (st->facilities & FACIL_AIRPORT) && st->airport.type != AT_OILRIG) num++; + } + return max(0, 2 - num); +} + +/* static */ AITown::RoadLayout AITown::GetRoadLayout(TownID town_id) +{ + if (!IsValidTown(town_id)) return ROAD_LAYOUT_INVALID; + + return (AITown::RoadLayout)((TownLayout)::Town::Get(town_id)->layout); +} |