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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_event.hpp Everything to handle events from the game. */
#ifndef SCRIPT_EVENT_HPP
#define SCRIPT_EVENT_HPP
#include "script_object.hpp"
/**
* Class that handles all event related functions.
* You can lookup the type, and than convert it to the real event-class.
* That way you can request more detailed information about the event.
* @api ai
*/
class ScriptEvent : public ScriptObject {
public:
/**
* The type of event. Needed to lookup the detailed class.
*/
enum ScriptEventType {
ET_INVALID = 0,
ET_TEST,
ET_SUBSIDY_OFFER,
ET_SUBSIDY_OFFER_EXPIRED,
ET_SUBSIDY_AWARDED,
ET_SUBSIDY_EXPIRED,
ET_ENGINE_PREVIEW,
ET_COMPANY_NEW,
ET_COMPANY_IN_TROUBLE,
ET_COMPANY_ASK_MERGER,
ET_COMPANY_MERGER,
ET_COMPANY_BANKRUPT,
ET_VEHICLE_CRASHED,
ET_VEHICLE_LOST,
ET_VEHICLE_WAITING_IN_DEPOT,
ET_VEHICLE_UNPROFITABLE,
ET_INDUSTRY_OPEN,
ET_INDUSTRY_CLOSE,
ET_ENGINE_AVAILABLE,
ET_STATION_FIRST_VEHICLE,
ET_DISASTER_ZEPPELINER_CRASHED,
ET_DISASTER_ZEPPELINER_CLEARED,
ET_TOWN_FOUNDED,
ET_AIRCRAFT_DEST_TOO_FAR,
};
/**
* Constructor of ScriptEvent, to get the type of event.
*/
ScriptEvent(ScriptEvent::ScriptEventType type) :
type(type)
{}
/**
* Get the event-type.
* @return The @c ScriptEventType.
*/
ScriptEventType GetEventType() { return this->type; }
protected:
/**
* The type of this event.
*/
ScriptEventType type;
};
/**
* Class that handles all event related functions.
* @api ai
* @note it is not needed to create an instance of ScriptEvent to access it, as
* all members are static, and all data is stored AI-wide.
*/
class ScriptEventController : public ScriptObject {
public:
/**
* Check if there is an event waiting.
* @return true if there is an event on the stack.
*/
static bool IsEventWaiting();
/**
* Get the next event.
* @return a class of the event-child issues.
*/
static ScriptEvent *GetNextEvent();
/**
* Insert an event to the queue for the company.
* @param event The event to insert.
* @api -all
*/
static void InsertEvent(ScriptEvent *event);
/**
* Free the event pointer.
* @api -all
*/
static void FreeEventPointer();
private:
/**
* Create the event pointer.
*/
static void CreateEventPointer();
};
#endif /* SCRIPT_EVENT_HPP */
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