46 lines
967 B
C++
46 lines
967 B
C++
#ifndef RAGE_SOUND_POS_MAP_H
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#define RAGE_SOUND_POS_MAP_H
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#include <deque>
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struct pos_map_t
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{
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/* Frame number from the POV of the sound driver: */
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int64_t frameno;
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/* Actual sound position within the sample: */
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int64_t position;
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/* The number of frames in this block: */
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int64_t frames;
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pos_map_t() { frameno=0; position=0; frames=0; }
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pos_map_t( int64_t frame, int pos, int cnt ) { frameno=frame; position=pos; frames=cnt; }
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};
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/* This class maps one range of frames to another. */
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class pos_map_queue
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{
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deque<pos_map_t> m_Queue;
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void Cleanup();
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public:
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pos_map_queue();
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pos_map_queue( const pos_map_queue &cpy );
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/* Insert a mapping from frameno to position, containing pos got_frames. */
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void Insert( int64_t frameno, int position, int got_frames );
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/* Return the position for the given frameno. */
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int64_t Search( int64_t frameno, bool *approximate ) const;
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/* Erase all mappings. */
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void Clear();
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bool IsEmpty() const;
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};
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#endif
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