1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 /* 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; };