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Location: cpp/openttd-patchpack/source/src/script/api/script_sign.hpp - annotation
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Cleanup: Remove svn-style `$Id$` comments. (#10122)
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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 script_sign.hpp Everything to query and build signs. */
#ifndef SCRIPT_SIGN_HPP
#define SCRIPT_SIGN_HPP
#include "script_company.hpp"
#include "script_error.hpp"
/**
* Class that handles all sign related functions.
* @api ai game
*/
class ScriptSign : public ScriptObject {
public:
/**
* All sign related error messages.
*/
enum ErrorMessages {
/** Base for sign building related errors */
ERR_SIGN_BASE = ScriptError::ERR_CAT_SIGN << ScriptError::ERR_CAT_BIT_SIZE,
/** Too many signs have been placed */
ERR_SIGN_TOO_MANY_SIGNS, // [STR_ERROR_TOO_MANY_SIGNS]
};
/**
* Checks whether the given sign index is valid.
* @param sign_id The index to check.
* @return True if and only if the sign is valid.
*/
static bool IsValidSign(SignID sign_id);
/**
* Set the name of a sign.
* @param sign_id The sign to set the name for.
* @param name The name for the sign (can be either a raw string, or a ScriptText object).
* @pre IsValidSign(sign_id).
* @pre name != nullptr && len(name) != 0.
* @exception ScriptError::ERR_NAME_IS_NOT_UNIQUE
* @return True if and only if the name was changed.
*/
static bool SetName(SignID sign_id, Text *name);
/**
* Get the name of the sign.
* @param sign_id The sign to get the name of.
* @pre IsValidSign(sign_id).
* @return The name of the sign.
*/
static char *GetName(SignID sign_id);
/**
* Get the owner of a sign.
* @param sign_id The sign to get the owner of.
* @pre IsValidSign(sign_id).
* @return The owner the sign has.
* @api -ai
*/
static ScriptCompany::CompanyID GetOwner(SignID sign_id);
/**
* Gets the location of the sign.
* @param sign_id The sign to get the location of.
* @pre IsValidSign(sign_id).
* @return The location of the sign.
*/
static TileIndex GetLocation(SignID sign_id);
/**
* Builds a sign on the map.
* @param location The place to build the sign.
* @param name The text to place on the sign (can be either a raw string, or a ScriptText object).
* @pre ScriptMap::IsValidTile(location).
* @pre name != nullptr && len(name) != 0.
* @exception ScriptSign::ERR_SIGN_TOO_MANY_SIGNS
* @return The SignID of the build sign (use IsValidSign() to check for validity).
* In test-mode it returns 0 if successful, or any other value to indicate
* failure.
*/
static SignID BuildSign(TileIndex location, Text *name);
/**
* Removes a sign from the map.
* @param sign_id The sign to remove.
* @pre IsValidSign(sign_id).
* @return True if and only if the sign has been removed.
*/
static bool RemoveSign(SignID sign_id);
};
#endif /* SCRIPT_SIGN_HPP */
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