mirror of
https://github.com/ZDoom/qzdoom.git
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c66f237873
* scalex_top * scaley_top * scalex_mid * scaley_mid * scalex_bottom * scalex_bottom - Added sidedef versions of the linedef flags wrapmidtex and clipmidtex (via UDMF; names are the same). If the flag is set on the line, it applies to both sides. Otherwise, each side can control them individually. SVN r1645 (trunk)
277 lines
9.2 KiB
C++
277 lines
9.2 KiB
C++
// Emacs style mode select -*- C++ -*-
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//-----------------------------------------------------------------------------
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//
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// $Id:$
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//
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// Copyright (C) 1993-1996 by id Software, Inc.
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//
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// This source is available for distribution and/or modification
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// only under the terms of the DOOM Source Code License as
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// published by id Software. All rights reserved.
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//
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// The source 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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// FITNESS FOR A PARTICULAR PURPOSE. See the DOOM Source Code License
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// for more details.
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//
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// DESCRIPTION:
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// System specific interface stuff.
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//
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//-----------------------------------------------------------------------------
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#ifndef __R_DRAW__
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#define __R_DRAW__
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#include "r_data.h"
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extern "C" int ylookup[MAXHEIGHT];
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extern "C" int dc_pitch; // [RH] Distance between rows
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extern "C" lighttable_t*dc_colormap;
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extern "C" int dc_x;
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extern "C" int dc_yl;
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extern "C" int dc_yh;
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extern "C" fixed_t dc_iscale;
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extern "C" fixed_t dc_texturemid;
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extern "C" fixed_t dc_texturefrac;
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extern "C" int dc_color; // [RH] For flat colors (no texturing)
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extern "C" DWORD dc_srccolor;
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extern "C" DWORD *dc_srcblend;
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extern "C" DWORD *dc_destblend;
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// first pixel in a column
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extern "C" const BYTE* dc_source;
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extern "C" BYTE *dc_dest, *dc_destorg;
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extern "C" int dc_count;
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extern "C" DWORD vplce[4];
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extern "C" DWORD vince[4];
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extern "C" BYTE* palookupoffse[4];
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extern "C" const BYTE* bufplce[4];
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// [RH] Temporary buffer for column drawing
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extern "C" BYTE dc_temp[MAXHEIGHT*4];
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extern "C" unsigned int dc_tspans[4][MAXHEIGHT];
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extern "C" unsigned int *dc_ctspan[4];
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extern "C" unsigned int horizspans[4];
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// [RH] Pointers to the different column and span drawers...
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// The span blitting interface.
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// Hook in assembler or system specific BLT here.
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extern void (*R_DrawColumn)(void);
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extern DWORD (STACK_ARGS *dovline1) ();
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extern DWORD (STACK_ARGS *doprevline1) ();
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#ifdef X64_ASM
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#define dovline4 vlinetallasm4
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extern "C" void vlinetallasm4();
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#else
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extern void (STACK_ARGS *dovline4) ();
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#endif
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extern void setupvline (int);
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extern DWORD (STACK_ARGS *domvline1) ();
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extern void (STACK_ARGS *domvline4) ();
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extern void setupmvline (int);
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extern void setuptmvline (int);
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// The Spectre/Invisibility effect.
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extern void (*R_DrawFuzzColumn)(void);
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// [RH] Draw shaded column
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extern void (*R_DrawShadedColumn)(void);
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// Draw with color translation tables, for player sprite rendering,
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// Green/Red/Blue/Indigo shirts.
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extern void (*R_DrawTranslatedColumn)(void);
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// Span drawing for rows, floor/ceiling. No Sepctre effect needed.
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extern void (*R_DrawSpan)(void);
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// Span drawing for masked textures.
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extern void (*R_DrawSpanMasked)(void);
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// Span drawing for translucent textures.
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extern void (*R_DrawSpanTranslucent)(void);
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// Span drawing for masked, translucent textures.
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extern void (*R_DrawSpanMaskedTranslucent)(void);
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// [RH] Span blit into an interleaved intermediate buffer
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extern void (*R_DrawColumnHoriz)(void);
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void R_DrawMaskedColumnHoriz (const BYTE *column, const FTexture::Span *spans);
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// [RH] Initialize the above pointers
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void R_InitColumnDrawers ();
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// [RH] Moves data from the temporary buffer to the screen.
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extern "C"
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{
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void rt_copy1col_c (int hx, int sx, int yl, int yh);
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void STACK_ARGS rt_copy4cols_c (int sx, int yl, int yh);
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void rt_shaded1col (int hx, int sx, int yl, int yh);
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void STACK_ARGS rt_shaded4cols_c (int sx, int yl, int yh);
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void STACK_ARGS rt_shaded4cols_asm (int sx, int yl, int yh);
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void rt_map1col_c (int hx, int sx, int yl, int yh);
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void rt_add1col (int hx, int sx, int yl, int yh);
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void rt_addclamp1col (int hx, int sx, int yl, int yh);
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void rt_subclamp1col (int hx, int sx, int yl, int yh);
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void rt_revsubclamp1col (int hx, int sx, int yl, int yh);
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void rt_tlate1col (int hx, int sx, int yl, int yh);
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void rt_tlateadd1col (int hx, int sx, int yl, int yh);
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void rt_tlateaddclamp1col (int hx, int sx, int yl, int yh);
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void rt_tlatesubclamp1col (int hx, int sx, int yl, int yh);
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void rt_tlaterevsubclamp1col (int hx, int sx, int yl, int yh);
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void STACK_ARGS rt_map4cols_c (int sx, int yl, int yh);
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void STACK_ARGS rt_add4cols_c (int sx, int yl, int yh);
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void STACK_ARGS rt_addclamp4cols_c (int sx, int yl, int yh);
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void STACK_ARGS rt_subclamp4cols (int sx, int yl, int yh);
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void STACK_ARGS rt_revsubclamp4cols (int sx, int yl, int yh);
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void STACK_ARGS rt_tlate4cols (int sx, int yl, int yh);
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void STACK_ARGS rt_tlateadd4cols (int sx, int yl, int yh);
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void STACK_ARGS rt_tlateaddclamp4cols (int sx, int yl, int yh);
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void STACK_ARGS rt_tlatesubclamp4cols (int sx, int yl, int yh);
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void STACK_ARGS rt_tlaterevsubclamp4cols (int sx, int yl, int yh);
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void rt_copy1col_asm (int hx, int sx, int yl, int yh);
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void rt_map1col_asm (int hx, int sx, int yl, int yh);
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void STACK_ARGS rt_copy4cols_asm (int sx, int yl, int yh);
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void STACK_ARGS rt_map4cols_asm1 (int sx, int yl, int yh);
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void STACK_ARGS rt_map4cols_asm2 (int sx, int yl, int yh);
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void STACK_ARGS rt_add4cols_asm (int sx, int yl, int yh);
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void STACK_ARGS rt_addclamp4cols_asm (int sx, int yl, int yh);
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}
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extern void (STACK_ARGS *rt_map4cols)(int sx, int yl, int yh);
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#ifdef X86_ASM
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#define rt_copy1col rt_copy1col_asm
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#define rt_copy4cols rt_copy4cols_asm
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#define rt_map1col rt_map1col_asm
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#define rt_shaded4cols rt_shaded4cols_asm
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#define rt_add4cols rt_add4cols_asm
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#define rt_addclamp4cols rt_addclamp4cols_asm
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#else
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#define rt_copy1col rt_copy1col_c
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#define rt_copy4cols rt_copy4cols_c
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#define rt_map1col rt_map1col_c
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#define rt_shaded4cols rt_shaded4cols_c
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#define rt_add4cols rt_add4cols_c
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#define rt_addclamp4cols rt_addclamp4cols_c
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#endif
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void rt_draw4cols (int sx);
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// [RH] Preps the temporary horizontal buffer.
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void rt_initcols (void);
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void R_DrawFogBoundary (int x1, int x2, short *uclip, short *dclip);
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#ifdef X86_ASM
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extern "C" void R_DrawColumnP_Unrolled (void);
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extern "C" void R_DrawColumnHorizP_ASM (void);
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extern "C" void R_DrawColumnP_ASM (void);
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extern "C" void R_DrawFuzzColumnP_ASM (void);
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void R_DrawTranslatedColumnP_C (void);
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void R_DrawShadedColumnP_C (void);
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extern "C" void R_DrawSpanP_ASM (void);
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extern "C" void R_DrawSpanMaskedP_ASM (void);
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#else
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void R_DrawColumnHorizP_C (void);
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void R_DrawColumnP_C (void);
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void R_DrawFuzzColumnP_C (void);
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void R_DrawTranslatedColumnP_C (void);
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void R_DrawShadedColumnP_C (void);
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void R_DrawSpanP_C (void);
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void R_DrawSpanMaskedP_C (void);
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#endif
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void R_DrawSpanTranslucentP_C (void);
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void R_DrawSpanMaskedTranslucentP_C (void);
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void R_DrawTlatedLucentColumnP_C (void);
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#define R_DrawTlatedLucentColumn R_DrawTlatedLucentColumnP_C
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void R_FillColumnP (void);
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void R_FillColumnHorizP (void);
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void R_FillSpan (void);
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extern "C" int ds_y;
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extern "C" int ds_x1;
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extern "C" int ds_x2;
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extern "C" lighttable_t* ds_colormap;
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extern "C" dsfixed_t ds_xfrac;
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extern "C" dsfixed_t ds_yfrac;
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extern "C" dsfixed_t ds_xstep;
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extern "C" dsfixed_t ds_ystep;
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extern "C" int ds_xbits;
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extern "C" int ds_ybits;
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extern "C" fixed_t ds_alpha;
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// start of a 64*64 tile image
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extern "C" const BYTE* ds_source;
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extern "C" int ds_color; // [RH] For flat color (no texturing)
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extern BYTE shadetables[/*NUMCOLORMAPS*16*256*/];
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extern FDynamicColormap ShadeFakeColormap[16];
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extern BYTE identitymap[256];
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extern BYTE *dc_translation;
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// If the view size is not full screen, draws a border around it.
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void R_DrawViewBorder (void);
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void R_DrawTopBorder (void);
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void R_DrawBorder (int x1, int y1, int x2, int y2);
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// [RH] Added for muliresolution support
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void R_InitFuzzTable (int fuzzoff);
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// [RH] Consolidate column drawer selection
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enum ESPSResult
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{
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DontDraw, // not useful to draw this
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DoDraw0, // draw this as if r_columnmethod is 0
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DoDraw1, // draw this as if r_columnmethod is 1
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};
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ESPSResult R_SetPatchStyle (FRenderStyle style, fixed_t alpha, int translation, DWORD color);
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// Call this after finished drawing the current thing, in case its
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// style was STYLE_Shade
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void R_FinishSetPatchStyle ();
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// transmaskwallscan calls this to find out what column drawers to use
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bool R_GetTransMaskDrawers (fixed_t (**tmvline1)(), void (**tmvline4)());
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// Retrieve column data for wallscan. Should probably be removed
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// to just use the texture's GetColumn() method. It just exists
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// for double-layer skies.
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const BYTE *R_GetColumn (FTexture *tex, int col);
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void wallscan (int x1, int x2, short *uwal, short *dwal, fixed_t *swal, fixed_t *lwal, fixed_t yrepeat, const BYTE *(*getcol)(FTexture *tex, int col)=R_GetColumn);
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// maskwallscan is exactly like wallscan but does not draw anything where the texture is color 0.
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void maskwallscan (int x1, int x2, short *uwal, short *dwal, fixed_t *swal, fixed_t *lwal, fixed_t yrepeat, const BYTE *(*getcol)(FTexture *tex, int col)=R_GetColumn);
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// transmaskwallscan is like maskwallscan, but it can also blend to the background
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void transmaskwallscan (int x1, int x2, short *uwal, short *dwal, fixed_t *swal, fixed_t *lwal, fixed_t yrepeat, const BYTE *(*getcol)(FTexture *tex, int col)=R_GetColumn);
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#endif
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