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90 lines
2.8 KiB
90 lines
2.8 KiB
/*
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* Copyright (c) 2010-2012 OTClient <https://github.com/edubart/otclient>
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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#ifndef EVENTDISPATCHER_H
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#define EVENTDISPATCHER_H
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#include "declarations.h"
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#include "clock.h"
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#include <framework/luascript/luaobject.h>
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class Event : public LuaObject
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{
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public:
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Event(const SimpleCallback& callback) : m_callback(callback), m_canceled(false), m_executed(false) { }
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void execute() {
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if(!m_canceled && !m_executed && m_callback) {
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m_callback();
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m_executed = true;
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}
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}
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void cancel() { m_canceled = true; }
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bool isCanceled() { return m_canceled; }
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bool isExecuted() { return m_executed; }
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protected:
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SimpleCallback m_callback;
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bool m_canceled;
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bool m_executed;
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};
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class ScheduledEvent : public Event
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{
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public:
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ScheduledEvent(const SimpleCallback& callback, int delay) : Event(callback) {
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m_ticks = g_clock.ticksFor(delay);
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}
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int ticks() const { return m_ticks; }
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int reamaningTicks() const { return m_ticks - g_clock.ticks(); }
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private:
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ticks_t m_ticks;
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};
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struct lessScheduledEvent : std::binary_function<ScheduledEventPtr, ScheduledEventPtr&, bool> {
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bool operator()(const ScheduledEventPtr& a, const ScheduledEventPtr& b) const {
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return b->ticks() < a->ticks();
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}
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};
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class EventDispatcher
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{
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public:
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void flush();
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void poll();
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EventPtr addEvent(const SimpleCallback& callback, bool pushFront = false);
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ScheduledEventPtr scheduleEvent(const SimpleCallback& callback, int delay);
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private:
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std::list<EventPtr> m_eventList;
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int m_pollEventsSize;
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std::priority_queue<ScheduledEventPtr, std::vector<ScheduledEventPtr>, lessScheduledEvent> m_scheduledEventList;
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};
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extern EventDispatcher g_eventDispatcher;
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#endif
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