stk-code_catmod/lib/sheenbidi/Source/RunQueue.h

56 lines
2.2 KiB
C

/*
* Copyright (C) 2014-2019 Muhammad Tayyab Akram
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef _SB_INTERNAL_RUN_QUEUE_H
#define _SB_INTERNAL_RUN_QUEUE_H
#include <SBConfig.h>
#include "LevelRun.h"
#include "SBBase.h"
#define RunQueueList_Length 8
#define RunQueueList_MaxIndex (RunQueueList_Length - 1)
typedef struct _RunQueueList {
LevelRun elements[RunQueueList_Length];
struct _RunQueueList *previous; /**< Reference to the previous list of queue elements */
struct _RunQueueList *next; /**< Reference to the next list of queue elements */
} RunQueueList, *RunQueueListRef;
typedef struct _RunQueue {
RunQueueList _firstList; /**< First list of elements, which is part of the queue */
RunQueueListRef _frontList; /**< The list containing front element of the queue */
RunQueueListRef _rearList; /**< The list containing rear element of the queue */
RunQueueListRef _partialList; /**< The list containing latest partial isolating run */
SBInteger _frontTop; /**< Index of front element in front list */
SBInteger _rearTop; /**< Index of rear element in rear list */
SBInteger _partialTop; /**< Index of partial run in partial list */
LevelRunRef peek; /**< Peek element of the queue */
SBUInteger count; /**< Number of elements the queue contains */
SBBoolean shouldDequeue;
} RunQueue, *RunQueueRef;
SB_INTERNAL void RunQueueInitialize(RunQueueRef queue);
SB_INTERNAL void RunQueueEnqueue(RunQueueRef queue, const LevelRunRef levelRun);
SB_INTERNAL void RunQueueDequeue(RunQueueRef queue);
SB_INTERNAL void RunQueueFinalize(RunQueueRef queue);
#endif