mirror of
https://git.do.srb2.org/STJr/SRB2.git
synced 2024-11-22 20:41:25 +00:00
246 lines
6.5 KiB
C
246 lines
6.5 KiB
C
// SONIC ROBO BLAST 2
|
|
//-----------------------------------------------------------------------------
|
|
// Copyright (C) 1993-1996 by id Software, Inc.
|
|
// Copyright (C) 1998-2000 by DooM Legacy Team.
|
|
// Copyright (C) 1999-2020 by Sonic Team Junior.
|
|
//
|
|
// This program is free software distributed under the
|
|
// terms of the GNU General Public License, version 2.
|
|
// See the 'LICENSE' file for more details.
|
|
//-----------------------------------------------------------------------------
|
|
/// \file r_draw.h
|
|
/// \brief Low-level span/column drawer functions
|
|
|
|
#ifndef __R_DRAW__
|
|
#define __R_DRAW__
|
|
|
|
#include "r_defs.h"
|
|
|
|
// -------------------------------
|
|
// COMMON STUFF FOR 8bpp AND 16bpp
|
|
// -------------------------------
|
|
extern UINT8 *ylookup[MAXVIDHEIGHT*4];
|
|
extern UINT8 *ylookup1[MAXVIDHEIGHT*4];
|
|
extern UINT8 *ylookup2[MAXVIDHEIGHT*4];
|
|
extern INT32 columnofs[MAXVIDWIDTH*4];
|
|
extern UINT8 *topleft;
|
|
|
|
// -------------------------
|
|
// COLUMN DRAWING CODE STUFF
|
|
// -------------------------
|
|
|
|
extern lighttable_t *dc_colormap;
|
|
extern INT32 dc_x, dc_yl, dc_yh;
|
|
extern fixed_t dc_iscale, dc_texturemid;
|
|
extern UINT8 dc_hires;
|
|
|
|
extern UINT8 *dc_source; // first pixel in a column
|
|
|
|
// translucency stuff here
|
|
extern UINT8 *dc_transmap;
|
|
|
|
// translation stuff here
|
|
|
|
extern UINT8 *dc_translation;
|
|
|
|
extern struct r_lightlist_s *dc_lightlist;
|
|
extern INT32 dc_numlights, dc_maxlights;
|
|
|
|
//Fix TUTIFRUTI
|
|
extern INT32 dc_texheight;
|
|
|
|
// -----------------------
|
|
// SPAN DRAWING CODE STUFF
|
|
// -----------------------
|
|
|
|
extern INT32 ds_y, ds_x1, ds_x2;
|
|
extern lighttable_t *ds_colormap;
|
|
extern lighttable_t *ds_translation;
|
|
|
|
extern fixed_t ds_xfrac, ds_yfrac, ds_xstep, ds_ystep;
|
|
extern INT32 ds_waterofs, ds_bgofs;
|
|
|
|
extern UINT16 ds_flatwidth, ds_flatheight;
|
|
extern boolean ds_powersoftwo;
|
|
|
|
extern UINT8 *ds_source;
|
|
extern UINT8 *ds_transmap;
|
|
|
|
typedef struct {
|
|
float x, y, z;
|
|
} floatv3_t;
|
|
|
|
// Vectors for Software's tilted slope drawers
|
|
extern floatv3_t *ds_su, *ds_sv, *ds_sz;
|
|
extern floatv3_t *ds_sup, *ds_svp, *ds_szp;
|
|
extern float focallengthf, zeroheight;
|
|
|
|
// Variable flat sizes
|
|
extern UINT32 nflatxshift;
|
|
extern UINT32 nflatyshift;
|
|
extern UINT32 nflatshiftup;
|
|
extern UINT32 nflatmask;
|
|
|
|
/// \brief Top border
|
|
#define BRDR_T 0
|
|
/// \brief Bottom border
|
|
#define BRDR_B 1
|
|
/// \brief Left border
|
|
#define BRDR_L 2
|
|
/// \brief Right border
|
|
#define BRDR_R 3
|
|
/// \brief Topleft border
|
|
#define BRDR_TL 4
|
|
/// \brief Topright border
|
|
#define BRDR_TR 5
|
|
/// \brief Bottomleft border
|
|
#define BRDR_BL 6
|
|
/// \brief Bottomright border
|
|
#define BRDR_BR 7
|
|
|
|
extern lumpnum_t viewborderlump[8];
|
|
|
|
// ------------------------------------------------
|
|
// r_draw.c COMMON ROUTINES FOR BOTH 8bpp and 16bpp
|
|
// ------------------------------------------------
|
|
|
|
#define GTC_CACHE 1
|
|
|
|
enum
|
|
{
|
|
TC_BOSS = INT8_MIN,
|
|
TC_METALSONIC, // For Metal Sonic battle
|
|
TC_ALLWHITE, // For Cy-Brak-demon
|
|
TC_RAINBOW, // For single colour
|
|
TC_BLINK, // For item blinking, according to kart
|
|
TC_DASHMODE, // For Metal Sonic's dashmode
|
|
|
|
TC_DEFAULT
|
|
};
|
|
|
|
// Custom player skin translation
|
|
// Initialize color translation tables, for player rendering etc.
|
|
UINT8* R_GetTranslationColormap(INT32 skinnum, skincolornum_t color, UINT8 flags);
|
|
void R_FlushTranslationColormapCache(void);
|
|
UINT16 R_GetColorByName(const char *name);
|
|
UINT16 R_GetSuperColorByName(const char *name);
|
|
|
|
extern UINT8 *transtables; // translucency tables, should be (*transtables)[5][256][256]
|
|
|
|
enum
|
|
{
|
|
blendtab_add,
|
|
blendtab_subtract,
|
|
blendtab_reversesubtract,
|
|
blendtab_modulate,
|
|
NUMBLENDMAPS
|
|
};
|
|
|
|
extern UINT8 *blendtables[NUMBLENDMAPS];
|
|
|
|
void R_InitTranslucencyTables(void);
|
|
void R_GenerateBlendTables(void);
|
|
void R_GenerateTranslucencyTable(UINT8 *table, int style, UINT8 blendamt);
|
|
|
|
UINT8 *R_GetTranslucencyTable(INT32 alphalevel);
|
|
UINT8 *R_GetBlendTable(int style, INT32 alphalevel);
|
|
|
|
// Color ramp modification should force a recache
|
|
extern UINT8 skincolor_modified[];
|
|
|
|
void R_InitViewBuffer(INT32 width, INT32 height);
|
|
void R_InitViewBorder(void);
|
|
void R_VideoErase(size_t ofs, INT32 count);
|
|
|
|
// Rendering function.
|
|
#if 0
|
|
void R_FillBackScreen(void);
|
|
|
|
// If the view size is not full screen, draws a border around it.
|
|
void R_DrawViewBorder(void);
|
|
#endif
|
|
|
|
#define TRANSPARENTPIXEL 255
|
|
|
|
// -----------------
|
|
// 8bpp DRAWING CODE
|
|
// -----------------
|
|
|
|
void R_DrawColumn_8(void);
|
|
void R_DrawShadeColumn_8(void);
|
|
void R_DrawTranslucentColumn_8(void);
|
|
void R_DrawTranslatedColumn_8(void);
|
|
void R_DrawTranslatedTranslucentColumn_8(void);
|
|
void R_Draw2sMultiPatchColumn_8(void);
|
|
void R_Draw2sMultiPatchTranslucentColumn_8(void);
|
|
void R_DrawFogColumn_8(void);
|
|
void R_DrawColumnShadowed_8(void);
|
|
|
|
#define PLANELIGHTFLOAT (BASEVIDWIDTH * BASEVIDWIDTH / vid.width / (zeroheight - FIXED_TO_FLOAT(viewz)) / 21.0f * FIXED_TO_FLOAT(fovtan))
|
|
|
|
void R_DrawSpan_8(void);
|
|
void R_DrawTranslucentSpan_8(void);
|
|
void R_DrawTiltedSpan_8(void);
|
|
void R_DrawTiltedTranslucentSpan_8(void);
|
|
|
|
void R_DrawSplat_8(void);
|
|
void R_DrawTranslucentSplat_8(void);
|
|
void R_DrawTiltedSplat_8(void);
|
|
|
|
void R_DrawFloorSprite_8(void);
|
|
void R_DrawTranslucentFloorSprite_8(void);
|
|
void R_DrawTiltedFloorSprite_8(void);
|
|
void R_DrawTiltedTranslucentFloorSprite_8(void);
|
|
|
|
void R_CalcTiltedLighting(fixed_t start, fixed_t end);
|
|
extern INT32 tiltlighting[MAXVIDWIDTH];
|
|
|
|
void R_DrawTranslucentWaterSpan_8(void);
|
|
void R_DrawTiltedTranslucentWaterSpan_8(void);
|
|
|
|
void R_DrawFogSpan_8(void);
|
|
|
|
// Lactozilla: Non-powers-of-two
|
|
void R_DrawSpan_NPO2_8(void);
|
|
void R_DrawTranslucentSpan_NPO2_8(void);
|
|
void R_DrawTiltedSpan_NPO2_8(void);
|
|
void R_DrawTiltedTranslucentSpan_NPO2_8(void);
|
|
|
|
void R_DrawSplat_NPO2_8(void);
|
|
void R_DrawTranslucentSplat_NPO2_8(void);
|
|
void R_DrawTiltedSplat_NPO2_8(void);
|
|
|
|
void R_DrawFloorSprite_NPO2_8(void);
|
|
void R_DrawTranslucentFloorSprite_NPO2_8(void);
|
|
void R_DrawTiltedFloorSprite_NPO2_8(void);
|
|
void R_DrawTiltedTranslucentFloorSprite_NPO2_8(void);
|
|
|
|
void R_DrawTranslucentWaterSpan_NPO2_8(void);
|
|
void R_DrawTiltedTranslucentWaterSpan_NPO2_8(void);
|
|
|
|
#ifdef USEASM
|
|
void ASMCALL R_DrawColumn_8_ASM(void);
|
|
void ASMCALL R_DrawShadeColumn_8_ASM(void);
|
|
void ASMCALL R_DrawTranslucentColumn_8_ASM(void);
|
|
void ASMCALL R_Draw2sMultiPatchColumn_8_ASM(void);
|
|
|
|
void ASMCALL R_DrawColumn_8_MMX(void);
|
|
|
|
void ASMCALL R_Draw2sMultiPatchColumn_8_MMX(void);
|
|
void ASMCALL R_DrawSpan_8_MMX(void);
|
|
#endif
|
|
|
|
// ------------------
|
|
// 16bpp DRAWING CODE
|
|
// ------------------
|
|
|
|
#ifdef HIGHCOLOR
|
|
void R_DrawColumn_16(void);
|
|
void R_DrawWallColumn_16(void);
|
|
void R_DrawTranslucentColumn_16(void);
|
|
void R_DrawTranslatedColumn_16(void);
|
|
void R_DrawSpan_16(void);
|
|
#endif
|
|
|
|
// =========================================================================
|
|
#endif // __R_DRAW__
|