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Location: cpp/openttd-patchpack/source/src/ai/api/ai_cargo.cpp - annotation
r14363:db29028f5824
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(svn r18930) -Fix: [NoAI] Autoreplace is also valid for the default group.
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/*
* 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 ai_cargo.cpp Implementation of AICargo. */
#include "ai_cargo.hpp"
#include "../../cargotype.h"
#include "../../economy_func.h"
#include "../../core/bitmath_func.hpp"
/* static */ bool AICargo::IsValidCargo(CargoID cargo_type)
{
return (cargo_type < NUM_CARGO && ::CargoSpec::Get(cargo_type)->IsValid());
}
/* static */ char *AICargo::GetCargoLabel(CargoID cargo_type)
{
if (!IsValidCargo(cargo_type)) return NULL;
const CargoSpec *cargo = ::CargoSpec::Get(cargo_type);
/* cargo->label is a uint32 packing a 4 character non-terminated string,
* like "PASS", "COAL", "OIL_". New ones can be defined by NewGRFs */
char *cargo_label = MallocT<char>(sizeof(cargo->label) + 1);
for (uint i = 0; i < sizeof(cargo->label); i++) {
cargo_label[i] = GB(cargo->label, (uint8)(sizeof(cargo->label) - i - 1) * 8, 8);
}
cargo_label[sizeof(cargo->label)] = '\0';
return cargo_label;
}
/* static */ bool AICargo::IsFreight(CargoID cargo_type)
{
if (!IsValidCargo(cargo_type)) return false;
const CargoSpec *cargo = ::CargoSpec::Get(cargo_type);
return cargo->is_freight;
}
/* static */ bool AICargo::HasCargoClass(CargoID cargo_type, CargoClass cargo_class)
{
if (!IsValidCargo(cargo_type)) return false;
return ::IsCargoInClass(cargo_type, (::CargoClass)cargo_class);
}
/* static */ AICargo::TownEffect AICargo::GetTownEffect(CargoID cargo_type)
{
if (!IsValidCargo(cargo_type)) return TE_NONE;
return (AICargo::TownEffect)::CargoSpec::Get(cargo_type)->town_effect;
}
/* static */ Money AICargo::GetCargoIncome(CargoID cargo_type, uint32 distance, uint32 days_in_transit)
{
if (!IsValidCargo(cargo_type)) return -1;
return ::GetTransportedGoodsIncome(1, distance, Clamp(days_in_transit * 2 / 5, 0, 255), cargo_type);
}
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