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/*
Minetest
Copyright (C) 2013 celeron55, Perttu Ahola <celeron55@gmail.com>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 2.1 of the License, or
(at your option) any later version.
This program 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 Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License along
with this program; if not, write to the Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#pragma once
#include "irrlichttypes.h"
class MtEvent
{
public:
enum Type : u8
{
VIEW_BOBBING_STEP = 0,
CAMERA_PUNCH_LEFT,
CAMERA_PUNCH_RIGHT,
PLAYER_FALLING_DAMAGE,
PLAYER_DAMAGE,
NODE_DUG,
PLAYER_JUMP,
PLAYER_REGAIN_GROUND,
TYPE_MAX,
};
virtual ~MtEvent() = default;
virtual Type getType() const = 0;
};
// An event with no parameters and customizable name
class SimpleTriggerEvent : public MtEvent
{
Type type;
public:
SimpleTriggerEvent(Type type) : type(type) {}
Type getType() const override { return type; }
};
class MtEventReceiver
{
public:
virtual ~MtEventReceiver() = default;
virtual void onEvent(MtEvent *e) = 0;
};
typedef void (*event_receive_func)(MtEvent *e, void *data);
class MtEventManager
{
public:
virtual ~MtEventManager() = default;
virtual void put(MtEvent *e) = 0;
virtual void reg(MtEvent::Type type, event_receive_func f, void *data) = 0;
// If data==NULL, every occurence of f is deregistered.
virtual void dereg(MtEvent::Type type, event_receive_func f, void *data) = 0;
};
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