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/* $Id$ */
/*
* 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_group.cpp Implementation of ScriptGroup. */
#include "../../stdafx.h"
#include "script_group.hpp"
#include "script_engine.hpp"
#include "../script_instance.hpp"
#include "../../string_func.h"
#include "../../strings_func.h"
#include "../../autoreplace_func.h"
#include "../../settings_func.h"
#include "table/strings.h"
#include "../../safeguards.h"
/* static */ bool ScriptGroup::IsValidGroup(GroupID group_id)
{
const Group *g = ::Group::GetIfValid(group_id);
return g != NULL && g->owner == ScriptObject::GetCompany();
}
/* static */ ScriptGroup::GroupID ScriptGroup::CreateGroup(ScriptVehicle::VehicleType vehicle_type)
{
if (!ScriptObject::DoCommand(0, (::VehicleType)vehicle_type, INVALID_GROUP, CMD_CREATE_GROUP, NULL, &ScriptInstance::DoCommandReturnGroupID)) return GROUP_INVALID;
/* In case of test-mode, we return GroupID 0 */
return (ScriptGroup::GroupID)0;
}
/* static */ bool ScriptGroup::DeleteGroup(GroupID group_id)
{
EnforcePrecondition(false, IsValidGroup(group_id));
return ScriptObject::DoCommand(0, group_id, 0, CMD_DELETE_GROUP);
}
/* static */ ScriptVehicle::VehicleType ScriptGroup::GetVehicleType(GroupID group_id)
{
if (!IsValidGroup(group_id)) return ScriptVehicle::VT_INVALID;
return (ScriptVehicle::VehicleType)((::VehicleType)::Group::Get(group_id)->vehicle_type);
}
/* static */ bool ScriptGroup::SetName(GroupID group_id, Text *name)
{
CCountedPtr<Text> counter(name);
EnforcePrecondition(false, IsValidGroup(group_id));
EnforcePrecondition(false, name != NULL);
const char *text = name->GetDecodedText();
EnforcePreconditionEncodedText(false, text);
EnforcePreconditionCustomError(false, ::Utf8StringLength(text) < MAX_LENGTH_GROUP_NAME_CHARS, ScriptError::ERR_PRECONDITION_STRING_TOO_LONG);
return ScriptObject::DoCommand(0, group_id, 0, CMD_ALTER_GROUP, text);
}
/* static */ char *ScriptGroup::GetName(GroupID group_id)
{
if (!IsValidGroup(group_id)) return NULL;
::SetDParam(0, group_id);
return GetString(STR_GROUP_NAME);
}
/* static */ bool ScriptGroup::EnableAutoReplaceProtection(GroupID group_id, bool enable)
{
EnforcePrecondition(false, IsValidGroup(group_id));
return ScriptObject::DoCommand(0, group_id, enable ? 1 : 0, CMD_SET_GROUP_REPLACE_PROTECTION);
}
/* static */ bool ScriptGroup::GetAutoReplaceProtection(GroupID group_id)
{
if (!IsValidGroup(group_id)) return false;
return ::Group::Get(group_id)->replace_protection;
}
/* static */ int32 ScriptGroup::GetNumEngines(GroupID group_id, EngineID engine_id)
{
if (!IsValidGroup(group_id) && group_id != GROUP_DEFAULT && group_id != GROUP_ALL) return -1;
return GetGroupNumEngines(ScriptObject::GetCompany(), group_id, engine_id);
}
/* static */ bool ScriptGroup::MoveVehicle(GroupID group_id, VehicleID vehicle_id)
{
EnforcePrecondition(false, IsValidGroup(group_id) || group_id == GROUP_DEFAULT);
EnforcePrecondition(false, ScriptVehicle::IsValidVehicle(vehicle_id));
return ScriptObject::DoCommand(0, group_id, vehicle_id, CMD_ADD_VEHICLE_GROUP);
}
/* static */ bool ScriptGroup::EnableWagonRemoval(bool enable_removal)
{
if (HasWagonRemoval() == enable_removal) return true;
return ScriptObject::DoCommand(0, ::GetCompanySettingIndex("company.renew_keep_length"), enable_removal ? 1 : 0, CMD_CHANGE_COMPANY_SETTING);
}
/* static */ bool ScriptGroup::HasWagonRemoval()
{
return ::Company::Get(ScriptObject::GetCompany())->settings.renew_keep_length;
}
/* static */ bool ScriptGroup::SetAutoReplace(GroupID group_id, EngineID engine_id_old, EngineID engine_id_new)
{
EnforcePrecondition(false, IsValidGroup(group_id) || group_id == GROUP_DEFAULT || group_id == GROUP_ALL);
EnforcePrecondition(false, ScriptEngine::IsBuildable(engine_id_new));
return ScriptObject::DoCommand(0, group_id << 16, (engine_id_new << 16) | engine_id_old, CMD_SET_AUTOREPLACE);
}
/* static */ EngineID ScriptGroup::GetEngineReplacement(GroupID group_id, EngineID engine_id)
{
if (!IsValidGroup(group_id) && group_id != GROUP_DEFAULT && group_id != GROUP_ALL) return ::INVALID_ENGINE;
return ::EngineReplacementForCompany(Company::Get(ScriptObject::GetCompany()), engine_id, group_id);
}
/* static */ bool ScriptGroup::StopAutoReplace(GroupID group_id, EngineID engine_id)
{
EnforcePrecondition(false, IsValidGroup(group_id) || group_id == GROUP_DEFAULT || group_id == GROUP_ALL);
return ScriptObject::DoCommand(0, group_id << 16, (::INVALID_ENGINE << 16) | engine_id, CMD_SET_AUTOREPLACE);
}
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