6d3dce4e16
Define separate enum values for rotation data in both the high bits, where it is usually kept, and the low bits, where it is sometimes used for math or comparisons. Define an enum value to represent the composite of the index and the rotation, since the composite is not suitable for use as an array subscript. Add helper functions to extract the component pieces.
40 lines
1.3 KiB
C
40 lines
1.3 KiB
C
/*
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* Portions of this file are copyright Rebirth contributors and licensed as
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* described in COPYING.txt.
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* Portions of this file are copyright Parallax Software and licensed
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* according to the Parallax license below.
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* See COPYING.txt for license details.
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THE COMPUTER CODE CONTAINED HEREIN IS THE SOLE PROPERTY OF PARALLAX
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SOFTWARE CORPORATION ("PARALLAX"). PARALLAX, IN DISTRIBUTING THE CODE TO
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END-USERS, AND SUBJECT TO ALL OF THE TERMS AND CONDITIONS HEREIN, GRANTS A
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ROYALTY-FREE, PERPETUAL LICENSE TO SUCH END-USERS FOR USE BY SUCH END-USERS
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IN USING, DISPLAYING, AND CREATING DERIVATIVE WORKS THEREOF, SO LONG AS
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SUCH USE, DISPLAY OR CREATION IS FOR NON-COMMERCIAL, ROYALTY OR REVENUE
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FREE PURPOSES. IN NO EVENT SHALL THE END-USER USE THE COMPUTER CODE
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CONTAINED HEREIN FOR REVENUE-BEARING PURPOSES. THE END-USER UNDERSTANDS
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AND AGREES TO THE TERMS HEREIN AND ACCEPTS THE SAME BY USE OF THIS FILE.
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COPYRIGHT 1993-1999 PARALLAX SOFTWARE CORPORATION. ALL RIGHTS RESERVED.
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*/
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/*
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*
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* Definitions for texture merging caching stuff.
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*
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*/
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#ifndef _TEXMERGE_H
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#define _TEXMERGE_H
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#include "fwd-segment.h"
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struct grs_bitmap;
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int texmerge_init();
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grs_bitmap &texmerge_get_cached_bitmap(unsigned tmap_bottom, texture2_value tmap_top);
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void texmerge_close();
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void texmerge_flush();
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#endif /* _TEXMERGE_H */
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