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Location: cpp/openttd-patchpack/source/src/ai/api/ai_sign.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_sign.cpp Implementation of AISign. */
#include "ai_sign.hpp"
#include "table/strings.h"
#include "../ai_instance.hpp"
#include "../../command_func.h"
#include "../../core/alloc_func.hpp"
#include "../../signs_base.h"
#include "../../string_func.h"
#include "../../strings_func.h"
#include "../../tile_map.h"
#include "../../company_func.h"
/* static */ bool AISign::IsValidSign(SignID sign_id)
{
const Sign *si = ::Sign::GetIfValid(sign_id);
return si != NULL && si->owner == _current_company;
}
/* static */ bool AISign::SetName(SignID sign_id, const char *name)
{
EnforcePrecondition(false, IsValidSign(sign_id));
EnforcePrecondition(false, !::StrEmpty(name));
EnforcePreconditionCustomError(false, ::strlen(name) < MAX_LENGTH_SIGN_NAME_BYTES, AIError::ERR_PRECONDITION_STRING_TOO_LONG);
return AIObject::DoCommand(0, sign_id, 0, CMD_RENAME_SIGN, name);
}
/* static */ char *AISign::GetName(SignID sign_id)
{
if (!IsValidSign(sign_id)) return NULL;
static const int len = 64;
char *sign_name = MallocT<char>(len);
::SetDParam(0, sign_id);
::GetString(sign_name, STR_SIGN_NAME, &sign_name[len - 1]);
return sign_name;
}
/* static */ TileIndex AISign::GetLocation(SignID sign_id)
{
if (!IsValidSign(sign_id)) return INVALID_TILE;
const Sign *sign = ::Sign::Get(sign_id);
return ::TileVirtXY(sign->x, sign->y);
}
/* static */ bool AISign::RemoveSign(SignID sign_id)
{
EnforcePrecondition(false, IsValidSign(sign_id));
return AIObject::DoCommand(0, sign_id, 0, CMD_RENAME_SIGN, "");
}
/* static */ SignID AISign::BuildSign(TileIndex location, const char *text)
{
EnforcePrecondition(INVALID_SIGN, ::IsValidTile(location));
EnforcePrecondition(INVALID_SIGN, !::StrEmpty(text));
EnforcePreconditionCustomError(false, ::strlen(text) < MAX_LENGTH_SIGN_NAME_BYTES, AIError::ERR_PRECONDITION_STRING_TOO_LONG);
if (!AIObject::DoCommand(location, 0, 0, CMD_PLACE_SIGN, text, &AIInstance::DoCommandReturnSignID)) return INVALID_SIGN;
/* In case of test-mode, we return SignID 0 */
return 0;
}
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