mirror of
https://github.com/DrBeef/DVR.git
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111 lines
3.2 KiB
C++
111 lines
3.2 KiB
C++
/* Emacs style mode select -*- C++ -*-
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*-----------------------------------------------------------------------------
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*
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*
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* PrBoom: a Doom port merged with LxDoom and LSDLDoom
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* based on BOOM, a modified and improved DOOM engine
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* Copyright (C) 1999 by
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* id Software, Chi Hoang, Lee Killough, Jim Flynn, Rand Phares, Ty Halderman
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* Copyright (C) 1999-2000 by
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* Jess Haas, Nicolas Kalkhof, Colin Phipps, Florian Schulze
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* Copyright 2005, 2006 by
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* Florian Schulze, Colin Phipps, Neil Stevens, Andrey Budko
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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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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
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* 02111-1307, USA.
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*
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*-----------------------------------------------------------------------------*/
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#ifndef R_PATCH_H
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#define R_PATCH_H
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// Used to specify the sloping of the top and bottom of a column post
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typedef enum {
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RDRAW_EDGESLOPE_TOP_UP = (1<<0),
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RDRAW_EDGESLOPE_TOP_DOWN = (1<<1),
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RDRAW_EDGESLOPE_BOT_UP = (1<<2),
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RDRAW_EDGESLOPE_BOT_DOWN = (1<<3),
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RDRAW_EDGESLOPE_TOP_MASK = 0x3,
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RDRAW_EDGESLOPE_BOT_MASK = 0xc,
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} edgeslope_t;
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typedef struct {
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int topdelta;
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int length;
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edgeslope_t slope;
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} rpost_t;
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typedef struct {
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int numPosts;
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rpost_t *posts;
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unsigned char *pixels;
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} rcolumn_t;
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typedef struct {
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int width;
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int height;
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unsigned widthmask;
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unsigned char isNotTileable;
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int leftoffset;
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int topoffset;
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// this is the single malloc'ed/free'd array
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// for this patch
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unsigned char *data;
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// these are pointers into the data array
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unsigned char *pixels;
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rcolumn_t *columns;
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rpost_t *posts;
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#ifdef TIMEDIAG
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int locktic;
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#endif
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unsigned int locks;
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} rpatch_t;
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const rpatch_t *R_CachePatchNum(int id);
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void R_UnlockPatchNum(int id);
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#define R_CachePatchName(name) R_CachePatchNum(W_GetNumForName(name))
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#define R_UnlockPatchName(name) R_UnlockPatchNum(W_GetNumForName(name))
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const rpatch_t *R_CacheTextureCompositePatchNum(int id);
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void R_UnlockTextureCompositePatchNum(int id);
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// Size query funcs
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int R_NumPatchWidth(int lump) ;
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int R_NumPatchHeight(int lump);
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#define R_NamePatchWidth(name) R_NumPatchWidth(W_GetNumForName(name))
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#define R_NamePatchHeight(name) R_NumPatchHeight(W_GetNumForName(name))
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const rcolumn_t *R_GetPatchColumnWrapped(const rpatch_t *patch, int columnIndex);
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const rcolumn_t *R_GetPatchColumnClamped(const rpatch_t *patch, int columnIndex);
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// returns R_GetPatchColumnWrapped for square, non-holed textures
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// and R_GetPatchColumnClamped otherwise
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const rcolumn_t *R_GetPatchColumn(const rpatch_t *patch, int columnIndex);
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void R_InitPatches();
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void R_FlushAllPatches();
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#endif
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