kopia lustrzana https://github.com/Jean-MarcHarvengt/MCUME
51 wiersze
1.4 KiB
C
51 wiersze
1.4 KiB
C
//
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// Copyright(C) 1993-1996 Id Software, Inc.
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// Copyright(C) 2005-2014 Simon Howard
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//
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// This program is free software; you can redistribute it and/or
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// modify it under the terms of the GNU General Public License
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// as published by the Free Software Foundation; either version 2
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// of the License, or (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// DESCRIPTION:
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// Refresh/rendering module, shared data struct definitions.
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//
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#ifndef V_PATCH_H
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#define V_PATCH_H
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// Patches.
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// A patch holds one or more columns.
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// Patches are used for sprites and all masked pictures,
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// and we compose textures from the TEXTURE1/2 lists
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// of patches.
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typedef struct
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{
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short width; // bounding box size
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short height;
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short leftoffset; // pixels to the left of origin
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short topoffset; // pixels below the origin
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int columnofs[8]; // only [width] used
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// the [0] is &columnofs[width]
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} PACKEDATTR patch_t;
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// posts are runs of non masked source pixels
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typedef struct
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{
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byte topdelta; // -1 is the last post in a column
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byte length; // length data bytes follows
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} PACKEDATTR post_t;
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// column_t is a list of 0 or more post_t, (byte)-1 terminated
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typedef post_t column_t;
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#endif
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