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https://github.com/scummvm/scummvm.git
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89 lines
2.3 KiB
C++
89 lines
2.3 KiB
C++
/* ScummVM - Graphic Adventure Engine
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*
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* ScummVM is the legal property of its developers, whose names
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* are too numerous to list here. Please refer to the COPYRIGHT
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* file distributed with this source distribution.
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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#ifndef WINTERMUTE_PLUGIN_EVENT_H
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#define WINTERMUTE_PLUGIN_EVENT_H
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namespace Wintermute {
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//////////////////////////////////////////////////////////////////////////
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// WME events
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typedef enum {
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WME_EVENT_UPDATE = 0,
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WME_EVENT_SCENE_DRAW_BEGIN,
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WME_EVENT_SCENE_DRAW_END,
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WME_EVENT_SCENE_INIT,
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WME_EVENT_SCENE_SHUTDOWN,
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WME_EVENT_GAME_BEFORE_SAVE,
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WME_EVENT_GAME_AFTER_LOAD,
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WME_EVENT_MAX
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} EWmeEvent;
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typedef void (*PluginApplyEvent)(void *, void *);
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typedef struct _PluginEventEntry {
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EWmeEvent _type;
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PluginApplyEvent _callback;
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void *_plugin;
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} PluginEventEntry;
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class PluginEvent {
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public:
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PluginEvent() {};
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~PluginEvent() {};
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void subscribeEvent(PluginEventEntry &event) {
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for (auto it = _entries.begin(); it != _entries.end(); ++it) {
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if (event._type == (*it)._type && event._callback == (*it)._callback) {
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break;
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}
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}
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_entries.push_back(event);
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}
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void unsubscribeEvent(PluginEventEntry &event) {
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for (auto it = _entries.begin(); it != _entries.end(); ++it) {
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if (event._type == (*it)._type && event._callback == (*it)._callback) {
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_entries.erase(it);
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break;
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}
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}
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}
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void applyEvent(EWmeEvent type, void *eventData) {
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for (auto it = _entries.begin(); it != _entries.end(); ++it) {
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if (type == (*it)._type && (*it)._callback != nullptr) {
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(*it)._callback(eventData, (*it)._plugin);
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}
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}
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}
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void clearEvents() {
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_entries.clear();
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}
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private:
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Common::List<PluginEventEntry> _entries;
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};
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} // End of namespace Wintermute
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#endif
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