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v_video.c
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v_video.c
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/*
==============================================================================
DOOM Retro
The classic, refined DOOM source port. For Windows PC.
==============================================================================
Copyright © 1993-2024 by id Software LLC, a ZeniMax Media company.
Copyright © 2013-2024 by Brad Harding <mailto:brad@doomretro.com>.
This file is a part of DOOM Retro.
DOOM Retro is free software: you can redistribute it and/or modify it
under the terms of the GNU General Public License as published by the
Free Software Foundation, either version 3 of the license, or (at your
option) any later version.
DOOM Retro is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
General Public License for more details.
You should have received a copy of the GNU General Public License
along with DOOM Retro. If not, see <https://www.gnu.org/licenses/>.
DOOM is a registered trademark of id Software LLC, a ZeniMax Media
company, in the US and/or other countries, and is used without
permission. All other trademarks are the property of their respective
holders. DOOM Retro is in no way affiliated with nor endorsed by
id Software.
==============================================================================
*/
#include "c_cmds.h"
#include "c_console.h"
#include "d_iwad.h"
#include "d_main.h"
#include "doomstat.h"
#include "hu_lib.h"
#include "i_colors.h"
#include "i_swap.h"
#include "i_system.h"
#include "m_argv.h"
#include "m_config.h"
#include "m_menu.h"
#include "m_misc.h"
#include "m_random.h"
#include "p_setup.h"
#include "r_draw.h"
#include "SDL_image.h"
#include "v_video.h"
#include "version.h"
#include "w_wad.h"
#include "z_zone.h"
byte *screens[NUMSCREENS];
int lowpixelwidth;
int lowpixelheight;
void (*postprocessfunc)(byte *, int, int, int, int, int, int, int);
byte *colortranslation[CR_LIMIT];
byte *redtogold;
typedef struct
{
const char *name;
byte **lump;
} colortranslation_t;
static colortranslation_t colortranslations[] =
{
{ "CRRED", &colortranslation[CR_RED] },
{ "CRGRAY", &colortranslation[CR_GRAY] },
{ "CRGREEN", &colortranslation[CR_GREEN] },
{ "CRBLUE", &colortranslation[CR_BLUE] },
{ "CRYELLOW", &colortranslation[CR_YELLOW] },
{ "CRBLACK", &colortranslation[CR_BLACK] },
{ "CRPURPLE", &colortranslation[CR_PURPLE] },
{ "CRWHITE", &colortranslation[CR_WHITE] },
{ "CRORANGE", &colortranslation[CR_ORANGE] },
{ "", NULL }
};
void V_InitColorTranslation(void)
{
for (colortranslation_t *p = colortranslations; *p->name; p++)
*p->lump = W_CacheLumpName(p->name);
redtogold = W_CacheLumpName("CRGOLD");
}
//
// V_FillRect
//
void V_FillRect(int screen, int x, int y, int width, int height, int color1, int color2,
bool left, bool right, const byte *tinttab1, const byte *tinttab2)
{
byte *dest = &screens[screen][y * SCREENWIDTH + x];
while (height--)
{
memset(dest, color1, width);
dest += SCREENWIDTH;
}
}
void V_FillTransRect(int screen, int x, int y, int width, int height, int color1, int color2,
bool left, bool right, const byte *tinttab1, const byte *tinttab2)
{
byte *dest = &screens[screen][y * SCREENWIDTH + x];
tinttab1 += ((size_t)color1 << 8);
for (int xx = 0; xx < width; xx++)
{
byte *dot = dest + xx;
for (int yy = 0; yy < height; yy++, dot += SCREENWIDTH)
*dot = *(tinttab1 + *dot);
}
}
void V_FillSoftTransRect(int screen, int x, int y, int width, int height, int color1, int color2,
bool left, bool right, const byte *tinttab1, const byte *tinttab2)
{
byte *dest = &screens[screen][y * SCREENWIDTH + x];
byte *dot;
tinttab1 += ((size_t)color1 << 8);
tinttab2 += ((size_t)color2 << 8);
for (int xx = 0; xx < width; xx++)
{
dot = dest + xx;
for (int yy = 0; yy < height; yy++, dot += SCREENWIDTH)
*dot = *(tinttab1 + *dot);
}
if (left)
{
dot = dest - 1 - 2 * (size_t)SCREENWIDTH;
*dot = *(tinttab2 + *dot);
dot += SCREENWIDTH;
for (int yy = 0; yy < height + 2; yy++, dot += SCREENWIDTH)
*dot = *(tinttab2 + *dot);
*dot = *(tinttab2 + *dot);
dot = dest - 2 - SCREENWIDTH;
for (int yy = 0; yy < height + 2; yy++, dot += SCREENWIDTH)
*dot = *(tinttab2 + *dot);
}
for (int xx = 0; xx < width; xx++)
{
dot = dest + xx - 2 * (size_t)SCREENWIDTH;
*dot = *(tinttab2 + *dot);
dot += SCREENWIDTH;
*dot = *(tinttab2 + *dot);
dot += ((size_t)height + 1) * SCREENWIDTH;
*dot = *(tinttab2 + *dot);
dot += SCREENWIDTH;
*dot = *(tinttab2 + *dot);
}
if (right)
{
dot = dest + width - 2 * (size_t)SCREENWIDTH;
*dot = *(tinttab2 + *dot);
dot += SCREENWIDTH;
for (int yy = 0; yy < height + 2; yy++, dot += SCREENWIDTH)
*dot = *(tinttab2 + *dot);
*dot = *(tinttab2 + *dot);
dot = dest + width + 1 - SCREENWIDTH;
for (int yy = 0; yy < height + 2; yy++, dot += SCREENWIDTH)
*dot = *(tinttab2 + *dot);
}
}
//
// V_DrawPatch
// Masks a column based masked pic to the screen.
//
void V_DrawPatch(int x, int y, int screen, patch_t *patch)
{
byte *desttop;
const int width = SHORT(patch->width) << FRACBITS;
y -= SHORT(patch->topoffset);
x -= SHORT(patch->leftoffset);
x += WIDESCREENDELTA;
desttop = &screens[screen][((y * DY) >> FRACBITS) * SCREENWIDTH + ((x * DX) >> FRACBITS)];
for (int col = 0; col < width; col += DXI, desttop++)
{
column_t *column = (column_t *)((byte *)patch + LONG(patch->columnoffset[col >> FRACBITS]));
// step through the posts in a column
while (column->topdelta != 0xFF)
{
const byte *source = (byte *)column + 3;
byte *dest = &desttop[((column->topdelta * DY) >> FRACBITS) * SCREENWIDTH];
const byte length = column->length;
int count = (length * DY) >> FRACBITS;
int srccol = 0;
while (count-- > 0)
{
*dest = source[srccol >> FRACBITS];
dest += SCREENWIDTH;
srccol += DYI;
}
column = (column_t *)((byte *)column + length + 4);
}
}
}
void V_DrawWidePatch(int x, int y, int screen, patch_t *patch)
{
byte *desttop;
int col = 0;
const int width = SHORT(patch->width) << FRACBITS;
if (x < 0)
{
col += DXI * ((-x * DX) >> FRACBITS);
x = 0;
desttop = &screens[screen][((y * DY) >> FRACBITS) * SCREENWIDTH];
}
else
{
x = (x * DX) >> FRACBITS;
desttop = &screens[screen][((y * DY) >> FRACBITS) * SCREENWIDTH + x];
}
for (; col < width; x++, col += DXI, desttop++)
{
column_t *column;
int topdelta;
if (x >= SCREENWIDTH)
break;
column = (column_t *)((byte *)patch + LONG(patch->columnoffset[col >> FRACBITS]));
while ((topdelta = column->topdelta) != 0xFF)
{
byte *dest = &desttop[((topdelta * DY) >> FRACBITS) * SCREENWIDTH];
const byte *source = (byte *)column + 3;
const byte length = column->length;
int count = (length * DY) >> FRACBITS;
int srccol = 0;
int top = ((y + topdelta) * DY) >> FRACBITS;
if (top + count > SCREENHEIGHT)
count = SCREENHEIGHT - top;
while (count-- > 0)
{
if (top++ >= 0)
*dest = source[srccol >> FRACBITS];
srccol += DYI;
dest += SCREENWIDTH;
}
column = (column_t *)((byte *)column + length + 4);
}
}
}
void V_DrawPagePatch(int screen, patch_t *patch)
{
if (SCREENWIDTH != NONWIDEWIDTH)
{
static patch_t *prevpatch = NULL;
static int pillarboxcolor;
if (prevpatch != patch)
{
pillarboxcolor = tinttab25[FindDominantEdgeColor(patch, SHORT(patch->height), 16)];
prevpatch = patch;
}
memset(screens[screen], pillarboxcolor, SCREENAREA);
}
V_DrawWidePatch((SCREENWIDTH / 2 - SHORT(patch->width)) / 2, 0, screen, patch);
}
void V_DrawShadowPatch(int x, int y, patch_t *patch)
{
byte *desttop;
const int width = SHORT(patch->width) << FRACBITS;
x -= SHORT(patch->leftoffset);
x += WIDESCREENDELTA;
desttop = &screens[0][((y * DY) >> FRACBITS) * SCREENWIDTH + ((x * DX) >> FRACBITS)];
for (int col = 0; col < width; col += DXI, desttop++)
{
column_t *column = (column_t *)((byte *)patch + LONG(patch->columnoffset[col >> FRACBITS]));
// step through the posts in a column
while (column->topdelta != 0xFF)
{
byte *dest = &desttop[((column->topdelta * DY / 10) >> FRACBITS) * SCREENWIDTH];
const byte length = column->length;
int count = ((length * DY / 10) >> FRACBITS) + 1;
if (count == 1)
*dest = black25[*dest];
else if (count == 2)
{
*dest = black25[*dest];
dest += SCREENWIDTH;
*dest = black25[*dest];
}
else
{
count--;
*dest = black25[*dest];
dest += SCREENWIDTH;
while (--count)
{
*dest = black40[*dest];
dest += SCREENWIDTH;
}
*dest = black25[*dest];
}
column = (column_t *)((byte *)column + length + 4);
}
}
}
void V_DrawSolidShadowPatch(int x, int y, patch_t *patch)
{
byte *desttop;
const int width = SHORT(patch->width) << FRACBITS;
x -= SHORT(patch->leftoffset);
x += WIDESCREENDELTA;
desttop = &screens[0][((y * DY) >> FRACBITS) * SCREENWIDTH + ((x * DX) >> FRACBITS)];
for (int col = 0; col < width; col += DXI, desttop++)
{
column_t *column = (column_t *)((byte *)patch + LONG(patch->columnoffset[col >> FRACBITS]));
// step through the posts in a column
while (column->topdelta != 0xFF)
{
byte *dest = &desttop[((column->topdelta * DY / 10) >> FRACBITS) * SCREENWIDTH];
const byte length = column->length;
int count = ((length * DY / 10) >> FRACBITS) + 1;
while (--count)
{
*dest = nearestblack;
dest += SCREENWIDTH;
}
*dest = nearestblack;
column = (column_t *)((byte *)column + length + 4);
}
}
}
void V_DrawSpectreShadowPatch(int x, int y, patch_t *patch)
{
byte *desttop;
const int width = SHORT(patch->width) << FRACBITS;
x -= SHORT(patch->leftoffset);
x += WIDESCREENDELTA;
desttop = &screens[0][((y * DY) >> FRACBITS) * SCREENWIDTH + ((x * DX) >> FRACBITS)];
for (int col = 0; col < width; col += DXI, desttop++)
{
column_t *column = (column_t *)((byte *)patch + LONG(patch->columnoffset[col >> FRACBITS]));
// step through the posts in a column
while (column->topdelta != 0xFF)
{
byte *dest = &desttop[((column->topdelta * DY / 10) >> FRACBITS) * SCREENWIDTH];
const byte length = column->length;
int count = ((length * DY / 10) >> FRACBITS) + 1;
dest += SCREENWIDTH;
while (--count)
{
*dest = black25[*dest];
dest += SCREENWIDTH;
}
column = (column_t *)((byte *)column + length + 4);
}
}
}
void V_DrawBigPatch(int x, int y, short width, short height, patch_t *patch)
{
short col = 0;
if (width > SCREENWIDTH)
{
col = (width - SCREENWIDTH) / 2;
width = SCREENWIDTH + col;
x = 0;
}
for (byte *desttop = &screens[0][y * SCREENWIDTH + x]; col < width; col++, desttop++)
{
byte *source = (byte *)patch + LONG(patch->columnoffset[col]) + 3;
byte *dest = desttop;
for (short i = 0; i < height; i++)
{
*dest = *source++;
dest += SCREENWIDTH;
}
}
}
void V_DrawMenuBorderPatch(int x, int y, patch_t *patch)
{
byte *desttopleft = &screens[0][y * SCREENWIDTH + x];
byte *desttopright = &screens[0][y * SCREENWIDTH + SCREENWIDTH - x - 1];
const int width = SHORT(patch->width);
const int black = (nearestblack << 8);
for (int col = 0; col < width; col++, desttopleft++, desttopright--)
{
column_t *column = (column_t *)((byte *)patch + LONG(patch->columnoffset[col]));
int td;
int topdelta = -1;
int lastlength = 0;
// step through the posts in a column
while ((td = column->topdelta) != 0xFF)
{
byte *source = (byte *)column + 3;
byte *destleft;
byte *destright;
int count;
topdelta = (td < topdelta + lastlength - 1 ? topdelta + td : td);
destleft = &desttopleft[topdelta * SCREENWIDTH];
destright = &desttopright[topdelta * SCREENWIDTH];
count = lastlength = column->length;
while (count-- > 0)
{
if (*source == GRAY2)
{
*destleft = tinttab50[*destleft + black];
*destright = tinttab50[*destright];
}
else if (*source == DARKGRAY2)
{
*destleft = tinttab20[*destleft + black];
*destright = tinttab20[*destright + black];
}
else
{
*destleft = nearestblack;
*destright = nearestblack;
}
source++;
destleft += SCREENWIDTH;
destright += SCREENWIDTH;
}
column = (column_t *)((byte *)column + lastlength + 4);
}
}
}
void V_DrawConsoleSelectedTextPatch(const int x, const int y, const patch_t *patch, const int width,
const int color, const int backgroundcolor, const bool italics, const byte *tinttab)
{
byte *desttop = &screens[0][y * SCREENWIDTH + x];
for (int col = 0; col < width; col++, desttop++)
{
byte *source = (byte *)patch + LONG(patch->columnoffset[col]) + 3;
byte *dest = desttop;
for (int i = 0; i < CONSOLELINEHEIGHT; i++)
{
if (y + i >= 0)
{
if (*source == WHITE)
*dest = color;
else if (*dest != color)
*dest = backgroundcolor;
}
source++;
dest += SCREENWIDTH;
}
}
}
void V_DrawConsoleTextPatch(const int x, const int y, const patch_t *patch, const int width,
const int color, const int backgroundcolor, const bool italics, const byte *tinttab)
{
byte *desttop = &screens[0][y * SCREENWIDTH + x];
const int italicize[] = { 2, 2, 2, 1, 1, 1, 1, 0, 0, 0, 0, -1, -1, -1 };
for (int col = 0; col < width - 1; col++, desttop++)
{
byte *source = (byte *)patch + LONG(patch->columnoffset[col]) + 3;
byte *dest = desttop;
for (int i = 0; i < CONSOLELINEHEIGHT; i++)
{
if (y + i >= 0 && *source)
{
byte *dot = dest;
if (italics)
dot += italicize[i];
*dot = (!tinttab ? color : tinttab[(color << 8) + *dot]);
if (!(y + i))
*dot = tinttab50[*dot];
else if (y + i == 1)
*dot = tinttab25[*dot];
}
source++;
dest += SCREENWIDTH;
}
}
}
void V_DrawOverlayTextPatch(byte *screen, int screenwidth, int x,
int y, patch_t *patch, int width, int color, const byte *tinttab)
{
byte *desttop = &screen[y * screenwidth + x];
for (int col = 0; col < width; col++, desttop++)
{
byte *source = (byte *)patch + LONG(patch->columnoffset[col]) + 3;
byte *dest = desttop;
for (int i = 0; i < CONSOLELINEHEIGHT; i++)
{
if (*source++)
*dest = (!tinttab ? color : tinttab[(color << 8) + *dest]);
dest += screenwidth;
}
}
}
void V_DrawConsolePatch(int x, int y, patch_t *patch, int maxwidth)
{
byte *desttop = &screens[0][y * SCREENWIDTH + x];
const int width = MIN(SHORT(patch->width), maxwidth);
for (int col = 0; col < width; col++, desttop++)
{
const column_t *column = (column_t *)((byte *)patch + LONG(patch->columnoffset[col]));
byte *source = (byte *)column + 3;
byte *dest = desttop;
int count = column->length;
int height = y + 1;
while (count-- > 0)
{
if (height > 0)
{
*dest = tinttab60[(nearestcolors[*source] << 8) + *dest];
if (height == 1)
*dest = tinttab60[*dest];
else if (height == 2)
*dest = tinttab30[*dest];
}
source++;
dest += SCREENWIDTH;
height++;
}
}
}
void V_DrawConsoleBrandingPatch(int x, int y, patch_t *patch)
{
byte *desttop = &screens[0][y * SCREENWIDTH + x];
const int width = SHORT(patch->width);
for (int col = 0; col < width; col++, desttop++, x++)
{
const column_t *column = (column_t *)((byte *)patch + LONG(patch->columnoffset[col]));
byte *source = (byte *)column + 3;
byte *dest = desttop;
int count = column->length;
int height = y + 1;
if (x > SCREENWIDTH)
return;
while (count-- > 0)
{
if (*source && height > 0)
{
*dest = (*source == WHITE || *source == LIGHTGRAY2 ? nearestcolors[*source] :
tinttab60[(consolebrandingcolor = (nearestcolors[*source] << 8)) + *dest]);
if (height == 1)
*dest = tinttab60[*dest];
else if (height == 2)
*dest = tinttab30[*dest];
}
source++;
dest += SCREENWIDTH;
height++;
}
}
}
bool V_IsEmptyPatch(patch_t *patch)
{
const int width = SHORT(patch->width);
for (int col = 0; col < width; col++)
{
column_t *column = (column_t *)((byte *)patch + LONG(patch->columnoffset[col]));
// step through the posts in a column
while (column->topdelta != 0xFF)
{
if (column->length)
return false;
column = (column_t *)((byte *)column + 4);
}
}
return true;
}
void V_DrawPatchToTempScreen(int x, int y, patch_t *patch)
{
byte *desttop;
const int width = SHORT(patch->width) << FRACBITS;
y -= SHORT(patch->topoffset);
x -= SHORT(patch->leftoffset);
desttop = &tempscreen[((y * DY) >> FRACBITS) * SCREENWIDTH + ((x * DX) >> FRACBITS)];
for (int col = 0; col < width; col += DXI, desttop++)
{
column_t *column = (column_t *)((byte *)patch + LONG(patch->columnoffset[col >> FRACBITS]));
// step through the posts in a column
while (column->topdelta != 0xFF)
{
const byte *source = (byte *)column + 3;
byte *dest = &desttop[((column->topdelta * DY) >> FRACBITS) * SCREENWIDTH];
const byte length = column->length;
int count = (length * DY) >> FRACBITS;
int srccol = 0;
while (count-- > 0)
{
*dest = source[srccol >> FRACBITS];
dest += SCREENWIDTH;
if (!vanilla)
*(dest + SCREENWIDTH + 2) = nearestblack;
srccol += DYI;
}
column = (column_t *)((byte *)column + length + 4);
}
}
}
void V_DrawHUDText(int x, int y, byte *screen, patch_t *patch, int screenwidth)
{
byte *desttop;
const int width = SHORT(patch->width) << FRACBITS;
y -= SHORT(patch->topoffset) * 2;
x -= SHORT(patch->leftoffset) * 2;
desttop = &screen[y * screenwidth + x];
for (int col = 0; col < width; col += DXI, desttop++)
{
column_t *column = (column_t *)((byte *)patch + LONG(patch->columnoffset[col >> FRACBITS]));
// step through the posts in a column
while (column->topdelta != 0xFF)
{
const byte *source = (byte *)column + 3;
byte *dest = &desttop[((column->topdelta * DY) >> FRACBITS) * screenwidth];
const byte length = column->length;
int count = (length * DY) >> FRACBITS;
int srccol = 0;
while (count-- > 0)
{
*dest = source[srccol >> FRACBITS];
dest += screenwidth;
srccol += DYI;
}
column = (column_t *)((byte *)column + length + 4);
}
}
}
void V_DrawTranslucentHUDText(int x, int y, byte *screen, patch_t *patch, int screenwidth)
{
byte *desttop;
const int width = SHORT(patch->width) << FRACBITS;
y -= SHORT(patch->topoffset) * 2;
x -= SHORT(patch->leftoffset) * 2;
desttop = &screen[y * screenwidth + x];
for (int col = 0; col < width; col += DXI, desttop++)
{
column_t *column = (column_t *)((byte *)patch + LONG(patch->columnoffset[col >> FRACBITS]));
// step through the posts in a column
while (column->topdelta != 0xFF)
{
const byte *source = (byte *)column + 3;
byte *dest = &desttop[((column->topdelta * DY) >> FRACBITS) * screenwidth];
const byte length = column->length;
int count = (length * DY) >> FRACBITS;
int srccol = 0;
while (count-- > 0)
{
*dest = tinttab25[(*dest << 8) + source[srccol >> FRACBITS]];
dest += screenwidth;
srccol += DYI;
}
column = (column_t *)((byte *)column + length + 4);
}
}
}
void V_DrawAltHUDText(int x, int y, byte *screen, patch_t *patch,
bool italics, int color, int screenwidth, const byte *tinttab)
{
byte *desttop = &screen[y * screenwidth + x];
const int width = SHORT(patch->width);
const int italicize[] = { 2, 2, 2, 1, 1, 1, 1, 0, 0, 0, 0, -1, -1, -1 };
for (int col = 0; col < width; col++, desttop++)
{
column_t *column = (column_t *)((byte *)patch + LONG(patch->columnoffset[col]));
int topdelta;
const byte length = column->length;
// step through the posts in a column
while ((topdelta = column->topdelta) != 0xFF)
{
byte *source = (byte *)column + 3;
byte *dest = &desttop[topdelta * screenwidth];
for (int i = 0; i < length; i++)
{
if (*source++)
{
byte *dot = dest;
if (italics)
dot += italicize[i];
*dot = color;
}
dest += screenwidth;
}
column = (column_t *)((byte *)column + length + 4);
}
}
}
void V_DrawTranslucentAltHUDText(int x, int y, byte *screen, patch_t *patch,
bool italics, int color, int screenwidth, const byte *tinttab)
{
byte *desttop = &screen[y * screenwidth + x];
const int width = SHORT(patch->width);
const int italicize[] = { 2, 2, 2, 1, 1, 1, 1, 0, 0, 0, 0, -1, -1, -1 };
for (int col = 0; col < width; col++, desttop++)
{
column_t *column = (column_t *)((byte *)patch + LONG(patch->columnoffset[col]));
int topdelta;
const byte length = column->length;
// step through the posts in a column
while ((topdelta = column->topdelta) != 0xFF)
{
byte *source = (byte *)column + 3;
byte *dest = &desttop[topdelta * screenwidth];
for (int i = 0; i < length; i++)
{
if (*source++)
{
byte *dot = dest;
if (italics)
dot += italicize[i];
*dot = tinttab[(color << 8) + *dot];
}
dest += screenwidth;
}
column = (column_t *)((byte *)column + length + 4);
}
}
}
void V_DrawMenuPatch(int x, int y, patch_t *patch, bool highlight, int shadowwidth)
{
byte *desttop;
const byte *black = (highlight ? black45 : black40);
const int width = SHORT(patch->width) << FRACBITS;
y -= SHORT(patch->topoffset);
x -= SHORT(patch->leftoffset);
x += WIDESCREENDELTA;
desttop = &screens[0][((y * DY) >> FRACBITS) * SCREENWIDTH + ((x * DX) >> FRACBITS)];
for (int col = 0, i = 0; col < width; col += DXI, i++, desttop++)
{
column_t *column = (column_t *)((byte *)patch + LONG(patch->columnoffset[col >> FRACBITS]));
// step through the posts in a column
while (column->topdelta != 0xFF)
{
const byte *source = (byte *)column + 3;
byte *dest = &desttop[((column->topdelta * DY) >> FRACBITS) * SCREENWIDTH];
const byte length = column->length;
int count = (length * DY) >> FRACBITS;
int srccol = 0;
while (count-- > 0)
{
const int height = (((y + column->topdelta + length) * DY) >> FRACBITS) - count;
if (height > 0)
{
const byte dot1 = source[srccol >> FRACBITS];
const byte dot2 = colormaps[0][4 * 256 + dot1];
*dest = (highlight ? (dot1 == dot2 ? white5[dot1] : dot1) : dot2);
}
dest += SCREENWIDTH;
if (height + 2 > 0)
{
byte *dot = dest + SCREENWIDTH + 2;
if (i <= shadowwidth && *dot != 47 && *dot != 191)
*dot = black[*dot];
}
srccol += DYI;
}
column = (column_t *)((byte *)column + length + 4);
}
}
}
void V_DrawHUDPatch(int x, int y, patch_t *patch, const byte *tinttab)
{
byte *desttop = &screens[0][y * SCREENWIDTH + x];
const int width = SHORT(patch->width);
for (int col = 0; col < width; col++, desttop++)
{
column_t *column = (column_t *)((byte *)patch + LONG(patch->columnoffset[col]));
// step through the posts in a column
while (column->topdelta != 0xFF)
{
byte *source = (byte *)column + 3;
byte *dest = &desttop[column->topdelta * SCREENWIDTH];
const byte length = column->length;
byte count = length;
while (count-- > 0)
{
*dest = *source++;
dest += SCREENWIDTH;
}
column = (column_t *)((byte *)column + length + 4);
}
}
}
void V_DrawHighlightedHUDNumberPatch(int x, int y, patch_t *patch, const byte *tinttab)
{
byte *desttop = &screens[0][y * SCREENWIDTH + x];
const int width = SHORT(patch->width);
for (int col = 0; col < width; col++, desttop++)
{
column_t *column = (column_t *)((byte *)patch + LONG(patch->columnoffset[col]));
// step through the posts in a column
while (column->topdelta != 0xFF)
{
byte *source = (byte *)column + 3;
byte *dest = &desttop[column->topdelta * SCREENWIDTH];
const byte length = column->length;
byte count = length;
while (count-- > 0)
{
const byte dot = *source++;
*dest = (dot == DARKGRAY3 ? dot : white5[dot]);
dest += SCREENWIDTH;
}
column = (column_t *)((byte *)column + length + 4);
}
}
}
void V_DrawTranslucentHighlightedHUDNumberPatch(int x, int y, patch_t *patch, const byte *tinttab)
{
byte *desttop = &screens[0][y * SCREENWIDTH + x];
const int width = SHORT(patch->width);
for (int col = 0; col < width; col++, desttop++)
{
column_t *column = (column_t *)((byte *)patch + LONG(patch->columnoffset[col]));
// step through the posts in a column
while (column->topdelta != 0xFF)
{
byte *source = (byte *)column + 3;
byte *dest = &desttop[column->topdelta * SCREENWIDTH];
const byte length = column->length;
byte count = length;
while (count-- > 0)
{
const byte dot = *source++;
*dest = (dot == DARKGRAY3 ? tinttab33[*dest] : white5[dot]);
dest += SCREENWIDTH;
}
column = (column_t *)((byte *)column + length + 4);
}
}
}
void V_DrawTranslucentHUDPatch(int x, int y, patch_t *patch, const byte *tinttab)
{
byte *desttop = &screens[0][y * SCREENWIDTH + x];
const int width = SHORT(patch->width);
for (int col = 0; col < width; col++, desttop++)