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