mirror of
https://github.com/JGRennison/OpenTTD-patches.git
synced 2024-11-19 15:25:39 +00:00
73 lines
2.1 KiB
C++
73 lines
2.1 KiB
C++
/* $Id$ */
|
|
|
|
/** @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 */ SignID AISign::GetMaxSignID()
|
|
{
|
|
return ::GetMaxSignIndex();
|
|
}
|
|
|
|
/* static */ bool AISign::IsValidSign(SignID sign_id)
|
|
{
|
|
return ::IsValidSignID(sign_id) && ::GetSign(sign_id)->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 = ::GetSign(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;
|
|
}
|