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OpenTTD-patches/src/script/api/script_gamesettings.cpp

111 lines
4.2 KiB
C++

/*
* 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_gamesettings.cpp Implementation of ScriptGameSettings. */
#include "../../stdafx.h"
#include "script_gamesettings.hpp"
#include "../../settings_internal.h"
#include "../../settings_type.h"
#include "../../command_type.h"
#include "../../command_func.h"
#include "../../economy_func.h"
#include "../../date_func.h"
#include <optional>
#include "../../safeguards.h"
struct CargoScalingProxy {
bool is_industry;
CargoScalingProxy(bool is_industry) : is_industry(is_industry) {}
SQInteger ReadValue() const
{
uint64_t scale = this->is_industry ? _settings_game.economy.industry_cargo_scale : _settings_game.economy.town_cargo_scale;
CargoScalingMode mode = this->is_industry ? _settings_game.economy.industry_cargo_scale_mode : _settings_game.economy.town_cargo_scale_mode;
if (mode == CSM_DAYLENGTH) {
scale *= DayLengthFactor();
}
return PercentageToScaleQuantityFactor(scale);
}
bool SetValue(SQInteger value) const
{
CargoScalingMode mode = this->is_industry ? _settings_game.economy.industry_cargo_scale_mode : _settings_game.economy.town_cargo_scale_mode;
if (mode == CSM_DAYLENGTH) {
/* Asynchronous free command, don't bother halting the script or saving the result */
::DoCommandPScript(0, 0, (uint32_t)CSM_MONTHLY, 0, CMD_CHANGE_SETTING, nullptr,
this->is_industry ? "economy.industry_cargo_scale_mode" : "economy.town_cargo_scale_mode", false, false, true, nullptr);
}
return ScriptGameSettings::SetValue(this->is_industry ? "economy.industry_cargo_scale" : "economy.town_cargo_scale", ScaleQuantity(100, (int)value));
}
static std::optional<CargoScalingProxy> Get(const std::string &setting)
{
std::string_view prefix = "economy.";
std::string_view str = setting;
if (str.starts_with(prefix)) str.remove_prefix(prefix.size());
if (str == "town_cargo_scale_factor") return CargoScalingProxy(false);
if (str == "industry_cargo_scale_factor") return CargoScalingProxy(true);
return std::nullopt;
}
};
/* static */ bool ScriptGameSettings::IsValid(const std::string &setting)
{
std::optional<CargoScalingProxy> csproxy = CargoScalingProxy::Get(setting);
if (csproxy.has_value()) return true;
const SettingDesc *sd = GetSettingFromName(setting);
return sd != nullptr && sd->IsIntSetting();
}
/* static */ SQInteger ScriptGameSettings::GetValue(const std::string &setting)
{
std::optional<CargoScalingProxy> csproxy = CargoScalingProxy::Get(setting);
if (csproxy.has_value()) {
return csproxy->ReadValue();
}
const SettingDesc *sd = GetSettingFromName(setting);
if (sd == nullptr || !sd->IsIntSetting()) return -1;
return sd->AsIntSetting()->Read(&_settings_game);
}
/* static */ bool ScriptGameSettings::SetValue(const std::string &setting, SQInteger value)
{
EnforceDeityOrCompanyModeValid(false);
std::optional<CargoScalingProxy> csproxy = CargoScalingProxy::Get(setting);
if (csproxy.has_value()) {
return csproxy->SetValue(value);
}
const SettingDesc *sd = GetSettingFromName(setting);
if (sd == nullptr || !sd->IsIntSetting()) return false;
if ((sd->flags & SF_NO_NETWORK_SYNC) != 0) return false;
value = Clamp<SQInteger>(value, INT32_MIN, INT32_MAX);
return ScriptObject::DoCommand(0, 0, value, CMD_CHANGE_SETTING, sd->name);
}
/* static */ bool ScriptGameSettings::IsDisabledVehicleType(ScriptVehicle::VehicleType vehicle_type)
{
switch (vehicle_type) {
case ScriptVehicle::VT_RAIL: return _settings_game.ai.ai_disable_veh_train;
case ScriptVehicle::VT_ROAD: return _settings_game.ai.ai_disable_veh_roadveh;
case ScriptVehicle::VT_WATER: return _settings_game.ai.ai_disable_veh_ship;
case ScriptVehicle::VT_AIR: return _settings_game.ai.ai_disable_veh_aircraft;
default: return true;
}
}