49 lines
1.3 KiB
C
49 lines
1.3 KiB
C
/*
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* BreakHack - A dungeone crawler RPG
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* Copyright (C) 2018 Linus Probert <linus.probert@gmail.com>
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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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#include "event.h"
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#include "util.h"
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#include "linkedlist.h"
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static LinkedList *callbacks = NULL;
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void
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event_register_listener(EventCallback cb)
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{
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// Cast a pointer to a pointer to avoid -wpedantic iso warning
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linkedlist_append(&callbacks, *(void**)(&cb));
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}
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void
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event_clear_listeners(void)
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{
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while (callbacks)
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linkedlist_pop(&callbacks);
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}
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void
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event_trigger(Event *event)
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{
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LinkedList *cbs = callbacks;
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while (cbs) {
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// Reverse the cast from the register (-pedantic ISO warning)
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(*(EventCallback*)(&cbs->data))(event);
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cbs = cbs->next;
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}
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}
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