McRogueFace/deps_windows/libtcod-1.23.1-x86_64-msvc/include/libtcod/heapq.h

65 lines
2.7 KiB
C

/* BSD 3-Clause License
*
* Copyright © 2008-2022, Jice and the libtcod contributors.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* 3. Neither the name of the copyright holder nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef TCOD_HEAPQ_H
#define TCOD_HEAPQ_H
#include <stdbool.h>
#include <stddef.h>
#include "config.h"
struct TCOD_Heap {
unsigned char* __restrict heap;
int size; // The current number of elements in heap.
int capacity; // The current capacity of heap.
size_t node_size; // The full size of each node in bytes.
size_t data_size; // The size of a nodes user data section in bytes.
size_t data_offset; // The offset of the user data section.
int priority_type; // Should be -4.
};
#ifdef __cplusplus
extern "C" {
#endif // __cplusplus
TCOD_PUBLIC int TCOD_heap_init(struct TCOD_Heap* heap, size_t data_size);
TCOD_PUBLIC void TCOD_heap_uninit(struct TCOD_Heap* heap);
TCOD_PUBLIC void TCOD_heap_clear(struct TCOD_Heap* heap);
TCOD_PUBLIC int TCOD_minheap_push(struct TCOD_Heap* __restrict minheap, int priority, const void* __restrict data);
TCOD_PUBLIC void TCOD_minheap_pop(struct TCOD_Heap* __restrict minheap, void* __restrict out);
TCOD_PUBLIC void TCOD_minheap_heapify(struct TCOD_Heap* minheap);
#ifdef __cplusplus
} // extern "C"
#endif // __cplusplus
#endif // TCOD_HEAPQ_H