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fteqw/engine/sw/sw_draw.c

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Initial checkin of software rendering bits and bobs. git-svn-id: https://svn.code.sf.net/p/fteqw/code/trunk@20 fc73d0e0-1445-4013-8a0c-d673dee63da5
2004-08-23 03:03:41 +00:00
/*
Copyright (C) 1996-1997 Id Software, Inc.
This program 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 2
of the License, or (at your option) any later version.
This program 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 this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
// draw.c -- this is the only file outside the refresh that touches the
// vid buffer
#include "quakedef.h"
#include "glquake.h" //with sw refresh???
#include "d_local.h" //trans stuff
extern unsigned int *d_8to32table;
typedef struct {
vrect_t rect;
int width;
int height;
qbyte *ptexbytes;
int rowbytes;
} rectdesc_t;
static rectdesc_t r_rectdesc;
qbyte *draw_chars; // 8*8 graphic characters
qpic_t *draw_disc;
qpic_t *draw_backtile;
//=============================================================================
/* Support Routines */
typedef struct cachepic_s
{
char name[MAX_QPATH];
cache_user_t cache;
} swcachepic_t;
#define MAX_CACHED_PICS 1024
swcachepic_t swmenu_cachepics[MAX_CACHED_PICS];
int swmenu_numcachepics;
/*
================
Draw_CachePic
================
*/
qpic_t *SWDraw_SafeCachePic (char *extpath)
{
swcachepic_t *pic;
int i;
qpic_t *dat;
char alternatename[MAX_QPATH];
char path[MAX_QPATH];
Q_strncpyz(path, extpath, sizeof(path));
COM_StripExtension(path, path);
for (pic=swmenu_cachepics, i=0 ; i<swmenu_numcachepics ; pic++, i++)
if (!strcmp (path, pic->name))
break;
if (i == swmenu_numcachepics)
{
if (swmenu_numcachepics == MAX_CACHED_PICS)
Sys_Error ("menu_numcachepics == MAX_CACHED_PICS");
swmenu_numcachepics++;
strcpy (pic->name, path);
}
dat = Cache_Check (&pic->cache);
if (dat)
return dat;
{
qbyte *file, *image;
int width;
int height;
_snprintf(alternatename, MAX_QPATH-1,"%s.pcx", path);
file = COM_LoadMallocFile(alternatename);
if (file)
{
image = ReadPCXFile(file, com_filesize, &width, &height);
BZ_Free(file);
if (image)
{
dat = Cache_Alloc(&pic->cache, sizeof(qpic_t) + width*height, path);
dat->width = width;
dat->height = height;
for (i = 0; i < width*height; i++)
{
if (image[i*4+3] < 64) // 25% threshhold
dat->data[i] = 255;
else
dat->data[i] = GetPalette(image[i*4], image[i*4+1], image[i*4+2]);
}
BZ_Free(image);
return dat;
}
}
}
#ifdef AVAIL_JPEGLIB
{
qbyte *file, *image;
int width;
int height;
_snprintf(alternatename, MAX_QPATH-1,"%s.jpg", path);
file = COM_LoadMallocFile(alternatename);
if (file)
{
image = ReadJPEGFile(file, com_filesize, &width, &height);
BZ_Free(file);
if (image)
{
dat = Cache_Alloc(&pic->cache, sizeof(qpic_t) + width*height, path);
dat->width = width;
dat->height = height;
for (i = 0; i < width*height; i++)
{
if (image[i*4+3] < 64) // 25% threshhold
dat->data[i] = 255;
else
dat->data[i] = GetPalette(image[i*4], image[i*4+1], image[i*4+2]);
}
BZ_Free(image);
return dat;
}
}
}
#endif
{
qbyte *file, *image;
int width;
int height;
_snprintf(alternatename, MAX_QPATH-1,"%s.tga", path);
file = COM_LoadMallocFile(alternatename);
if (file)
{
image = ReadTargaFile (file, com_filesize, &width, &height, 0);
BZ_Free(file);
if (image)
{
dat = Cache_Alloc(&pic->cache, sizeof(qpic_t) + width*height, path);
dat->width = width;
dat->height = height;
for (i = 0; i < width*height; i++)
{
if (image[i*4+3] < 64) // 25% threshhold
dat->data[i] = 255;
else
dat->data[i] = GetPalette(image[i*4], image[i*4+1], image[i*4+2]);
}
BZ_Free(image);
return dat;
}
}
}
//
// load the pic from disk
//
_snprintf(alternatename, MAX_QPATH-1,"%s.lmp", path);
COM_LoadCacheFile (alternatename, &pic->cache);
dat = (qpic_t *)pic->cache.data;
if (!dat)
{
char alternatename[MAX_QPATH];
sprintf(alternatename, "gfx/%s.lmp", path);
dat = (qpic_t *)COM_LoadTempFile (alternatename);
if (!dat)
return NULL;
// Sys_Error ("Draw_CachePic: failed to load %s", path);
}
SwapPic (dat);
return dat;
}
qpic_t *SWDraw_CachePic (char *path)
{
qpic_t *pic;
pic = SWDraw_SafeCachePic(path);
if (!pic)
Sys_Error ("Draw_CachePic: failed to load %s", path);
return pic;
}
qpic_t *SWDraw_ConcharsMalloc (char *name)
{
// stupid hack for conchars...
qpic_t *dat;
swcachepic_t *pic;
int i, j;
for (pic=swmenu_cachepics, i=0 ; i<swmenu_numcachepics ; pic++, i++)
if (!strcmp (name, pic->name))
break;
if (i == swmenu_numcachepics)
{
if (swmenu_numcachepics == MAX_CACHED_PICS)
Sys_Error ("menu_numcachepics == MAX_CACHED_PICS");
swmenu_numcachepics++;
pic->cache.fake = true;
pic->cache.data = BZ_Malloc(sizeof(qpic_t) + 128*128);
dat = pic->cache.data;
// change 0 to 255 through conchars
for (j = 0; j < 128*128; j++)
dat->data[j] = (draw_chars[j] == 255 || !draw_chars[j]) ? draw_chars[j] ^ 255 : draw_chars[j];
// memcpy (dat->data, draw_chars, 128*128);
dat->width = dat->height = 128;
strcpy (pic->name, name);
}
return pic->cache.data;
}
qpic_t *SWDraw_MallocPic (char *path)
{
int i;
qpic_t *dat;
swcachepic_t *pic;
for (pic=swmenu_cachepics, i=0 ; i<swmenu_numcachepics ; pic++, i++)
if (!strcmp (path, pic->name))
break;
if (i == swmenu_numcachepics)
{
if (swmenu_numcachepics == MAX_CACHED_PICS)
Sys_Error ("menu_numcachepics == MAX_CACHED_PICS");
swmenu_numcachepics++;
pic->cache.fake = false;
pic->cache.data = NULL;
strcpy (pic->name, path);
}
dat = Cache_Check (&pic->cache);
if (dat)
return dat;
{
qbyte *file, *image;
int width;
int height;
file = COM_LoadMallocFile(path);
if (file)
{
image = ReadPCXFile(file, com_filesize, &width, &height);
BZ_Free(file);
if (image)
{
dat = BZ_Malloc(sizeof(qpic_t) + width*height);
if (dat)
{
pic->cache.data = dat;
pic->cache.fake = true;
dat->width = width;
dat->height = height;
for (i = 0; i < width*height; i++)
dat->data[i] = GetPalette(image[i*4], image[i*4+1], image[i*4+2]);
BZ_Free(image);
return dat;
}
BZ_Free(image);
}
}
}
//
// load the pic from disk
//
dat = (qpic_t *)COM_LoadHunkFile (path);
pic->cache.data = dat;
pic->cache.fake = true;
if (!dat)
{
return NULL;
// Sys_Error ("Draw_CachePic: failed to load %s", path);
}
SwapPic (dat);
return dat;
}
qpic_t *SWDraw_PicFromWad (char *name)
{
char q2name[MAX_QPATH];
qpic_t *qpic;
if (!strcmp(name, "conchars")) // conchars hack
return SWDraw_ConcharsMalloc("conchars");
sprintf(q2name, "pics/%s.pcx", name);
qpic = SWDraw_MallocPic(q2name);
if (qpic)
return qpic;
return W_SafeGetLumpName (name);
}
/*
===============
Draw_Init
===============
*/
//FIXME: mallocs in place of wad references will not be freed
//we have a memory leak
void SWDraw_Init (void)
{
draw_chars = W_SafeGetLumpName ("conchars"); //q1
if (!draw_chars)
{
qpic_t *pic; //try q2
int i;
int s;
pic = SWDraw_MallocPic("pics/conchars.pcx"); //safe from host_hunkmarks...
if (pic)
{
draw_chars = pic->data;
s = pic->width*pic->height;
for (i = 0; i < s; i++) //convert 255s to 0, q1's transparent colour
if (draw_chars[i] == 162 || draw_chars[i] == 255)
draw_chars[i] = 0;
}
}
if (!draw_chars)
{ //now go for hexen2
int i, x;
char *tempchars = COM_LoadMallocFile("gfx/menu/conchars.lmp");
char *in, *out;
if (!tempchars)
Sys_Error("No charset found\n");
draw_chars = BZ_Malloc(8*8*256*8);
out = draw_chars;
for (i = 0; i < 8*8; i+=1)
{
if ((i/8)&1)
{
in = tempchars + ((i)/8)*16*8*8+(i&7)*32*8 - 256*4+128;
for (x = 0; x < 16*8; x++)
*out++ = *in++;
}
else
{
in = tempchars + (i/8)*16*8*8+(i&7)*32*8;
for (x = 0; x < 16*8; x++)
*out++ = *in++;
}
}
for (i = 0; i < 8*8; i+=1)
{
if ((i/8)&1)
{
in = tempchars+128*128 + ((i)/8)*16*8*8+(i&7)*32*8 - 256*4+128;
for (x = 0; x < 16*8; x++)
*out++ = *in++;
}
else
{
in = tempchars+128*128 + (i/8)*16*8*8+(i&7)*32*8;
for (x = 0; x < 16*8; x++)
*out++ = *in++;
}
}
Z_Free(tempchars);
}
if (!draw_chars)
Sys_Error("Failed to find suitable console charactures\n");
draw_disc = W_SafeGetLumpName ("disc");
draw_backtile = W_SafeGetLumpName ("backtile");
if (!draw_backtile)
draw_backtile = (qpic_t *)COM_LoadMallocFile("gfx/menu/backtile.lmp");
if (draw_backtile)
{
r_rectdesc.width = draw_backtile->width;
r_rectdesc.height = draw_backtile->height;
r_rectdesc.ptexbytes = draw_backtile->data;
r_rectdesc.rowbytes = draw_backtile->width;
}
}
void SWDraw_Shutdown(void)
{
int i;
swcachepic_t *pic;
for (pic=swmenu_cachepics, i=0 ; i<swmenu_numcachepics ; pic++, i++)
{
if (pic->cache.fake)
{
if (pic->cache.data)
BZ_Free(pic->cache.data);
pic->cache.fake = false;
pic->cache.data = NULL;
}
}
swmenu_numcachepics=0;
draw_disc = NULL;
}
/*
================
Draw_Character
Draws one 8*8 graphics character with 0 being transparent.
It can be clipped to the top of the screen to allow the console to be
smoothly scrolled off.
================
*/
void SWDraw_Character (int x, int y, unsigned int num)
{
qbyte *dest;
qbyte *source;
int drawline;
int row, col;
num &= 255;
if (y <= -8)
return; // totally off screen
if (y > vid.height - 8 || x < 0 || x > vid.width - 8)
return;
row = num>>4;
col = num&15;
source = draw_chars + (row<<10) + (col<<3);
if (y < 0)
{ // clipped
drawline = 8 + y;
source -= 128*y;
y = 0;
}
else
drawline = 8;
if (r_pixbytes == 1)
{
dest = vid.conbuffer + y*vid.conrowbytes + x;
while (drawline--)
{
if (source[0])
dest[0] = source[0];
if (source[1])
dest[1] = source[1];
if (source[2])
dest[2] = source[2];
if (source[3])
dest[3] = source[3];
if (source[4])
dest[4] = source[4];
if (source[5])
dest[5] = source[5];
if (source[6])
dest[6] = source[6];
if (source[7])
dest[7] = source[7];
source += 128;
dest += vid.conrowbytes;
}
}
else if (r_pixbytes == 2)
{
unsigned short *dest16;
dest16 = (unsigned short*)vid.conbuffer + y*vid.conrowbytes + x;
while (drawline--)
{
if (source[0])
dest16[0] = d_8to16table[source[0]];
if (source[1])
dest16[1] = d_8to16table[source[1]];
if (source[2])
dest16[2] = d_8to16table[source[2]];
if (source[3])
dest16[3] = d_8to16table[source[3]];
if (source[4])
dest16[4] = d_8to16table[source[4]];
if (source[5])
dest16[5] = d_8to16table[source[5]];
if (source[6])
dest16[6] = d_8to16table[source[6]];
if (source[7])
dest16[7] = d_8to16table[source[7]];
source += 128;
dest16 += vid.conrowbytes;
}
}
else if (r_pixbytes == 4)
{
unsigned int *p32dest;
p32dest = (unsigned int *)vid.conbuffer + y*vid.conrowbytes + x;
while (drawline--)
{
if (source[0])
p32dest[0] = d_8to32table[source[0]];
if (source[1])
p32dest[1] = d_8to32table[source[1]];
if (source[2])
p32dest[2] = d_8to32table[source[2]];
if (source[3])
p32dest[3] = d_8to32table[source[3]];
if (source[4])
p32dest[4] = d_8to32table[source[4]];
if (source[5])
p32dest[5] = d_8to32table[source[5]];
if (source[6])
p32dest[6] = d_8to32table[source[6]];
if (source[7])
p32dest[7] = d_8to32table[source[7]];
source += 128;
p32dest += vid.conrowbytes;
}
}
}
#define FindPallete(r,g,b) pal777to8[r>>1][g>>1][b>>1]
#define colourmask(p,r,g,b) FindPallete(host_basepal[p*3]*r, host_basepal[p*3+1]*g, host_basepal[p*3+2]*b)
#define draw(p) colourmask(p, (int)consolecolours[colour].r, (int)consolecolours[colour].g, (int)consolecolours[colour].b)
void SWDraw_ColouredCharacter (int x, int y, unsigned int num)
{
qbyte *source;
int drawline;
int row, col;
int colour;
if (y <= -8)
return; // totally off screen
if (y > vid.height - 8 || x < 0 || x > vid.width - 8)
return;
colour = (num&CON_COLOURMASK)/256;
if (num & CON_BLINKTEXT)
{
if ((int)(cl.time*2) & 1)
return;
}
if (colour == 0) //0 is white anyway (speedup)
{
Draw_Character(x, y, num);
return;
}
num &= 255;
row = num>>4;
col = num&15;
source = draw_chars + (row<<10) + (col<<3);
if (y < 0)
{ // clipped
drawline = 8 + y;
source -= 128*y;
y = 0;
}
else
drawline = 8;
if (r_pixbytes == 1)
{
qbyte *dest;
dest = vid.conbuffer + y*vid.conrowbytes + x;
while (drawline--)
{
if (source[0])
dest[0] = draw(source[0]);
if (source[1])
dest[1] = draw(source[1]);
if (source[2])
dest[2] = draw(source[2]);
if (source[3])
dest[3] = draw(source[3]);
if (source[4])
dest[4] = draw(source[4]);
if (source[5])
dest[5] = draw(source[5]);
if (source[6])
dest[6] = draw(source[6]);
if (source[7])
dest[7] = draw(source[7]);
source += 128;
dest += vid.conrowbytes;
}
}
else if (r_pixbytes == 2)
{
unsigned short *dest16;
unsigned char *pal = (unsigned char *)d_8to32table;
int i;
int rm, gm, bm;
dest16 = (unsigned short *)vid.conbuffer + y*vid.conrowbytes + x;
rm = consolecolours[colour].r*32;
gm = consolecolours[colour].g*32;
bm = consolecolours[colour].b*32;
while (drawline--)
{
for (i = 0; i < 8; i++)
{
if (source[i])
dest16[i] = ((pal[source[i]*4+0]*bm/256)<<10)+
((pal[source[i]*4+1]*gm/256)<<5)+
pal[source[i]*4+2]*rm/256;
}
/*
if (source[0])
dest16[0] = pal[draw(source[0])];
if (source[1])
dest16[1] = pal[draw(source[1])];
if (source[2])
dest16[2] = pal[draw(source[2])];
if (source[3])
dest16[3] = pal[draw(source[3])];
if (source[4])
dest16[4] = pal[draw(source[4])];
if (source[5])
dest16[5] = pal[draw(source[5])];
if (source[6])
dest16[6] = pal[draw(source[6])];
if (source[7])
dest16[7] = pal[draw(source[7])];
*/
source += 128;
dest16 += vid.conrowbytes;
}
}
else if (r_pixbytes == 4)
{
qbyte *dest;
int i;
unsigned char *pal = (unsigned char *)d_8to32table;
dest = vid.conbuffer + (y*vid.conrowbytes + x)*r_pixbytes;
while (drawline--)
{
for (i = 0; i < 8; i++)
{
if (source[i])
{
dest[0+i*4] = pal[source[i]*4+0]*consolecolours[colour].b;
dest[1+i*4] = pal[source[i]*4+1]*consolecolours[colour].g;
dest[2+i*4] = pal[source[i]*4+2]*consolecolours[colour].r;
}
}
source += 128;
dest += vid.conrowbytes*r_pixbytes;
}
}
}
#undef draw
/*
================
Draw_String
================
*/
void SWDraw_String (int x, int y, const qbyte *str)
{
while (*str)
{
Draw_Character (x, y, *str);
str++;
x += 8;
}
}
/*
================
Draw_Alt_String
================
*/
void SWDraw_Alt_String (int x, int y, const qbyte *str)
{
while (*str)
{
Draw_Character (x, y, (*str) | 0x80);
str++;
x += 8;
}
}
void SWDraw_Pixel(int x, int y, qbyte color)
{
qbyte *dest;
if (r_pixbytes == 1)
{
dest = vid.conbuffer + y*vid.conrowbytes + x;
*dest = color;
}
else if (r_pixbytes == 4)
{
unsigned int *p32dest;
// FIXME: pre-expand to native format?
p32dest = ((unsigned int *)vid.conbuffer + y*vid.conrowbytes + x);
*p32dest = d_8to32table[color];
}
}
#include "crosshairs.dat"
qbyte *COM_LoadFile (char *path, int usehunk);
void SWDraw_Crosshair(void)
{
int x, y;
extern cvar_t crosshair, cl_crossx, cl_crossy, crosshaircolor;
extern vrect_t scr_vrect;
qbyte c = (qbyte)crosshaircolor.value;
qbyte c2 = (qbyte)crosshaircolor.value;
x = scr_vrect.x + scr_vrect.width/2 + cl_crossx.value;
y = scr_vrect.y + scr_vrect.height/2 + cl_crossy.value;
#define Pix(xp,yp,c) SWDraw_Pixel(x+xp, y+yp, c)
switch((int)crosshair.value)
{
case 0:
if (*crosshair.string>='a' && *crosshair.string<='z')
{
static qbyte *crosshairfile;
static int crosshairfilesize;
static char cachedcrosshairfile[64];
int fx, fy;
qbyte *f;
if (!strncmp(cachedcrosshairfile, crosshair.string, sizeof(cachedcrosshairfile)))
{
if (crosshairfile)
Z_Free(crosshairfile);
crosshairfile = COM_LoadFile(va("%s.csh", crosshair.string), 0);
crosshairfilesize = com_filesize;
Q_strncpyz(cachedcrosshairfile, crosshair.string, sizeof(cachedcrosshairfile));
}
f = crosshairfile;
if (!f)
return;
for (fy = 0; fy < 8; fy++)
{
for (fx = 0; fx < 8; )
{
if (f - crosshairfile > crosshairfilesize)
{
Con_Printf("Crosshair file has overrun");
fy=10;
break;
}
if (*f == 'x')
{
Pix(fx-3, fy-3, c);
fx++;
}
else if (*f == 'X')
{
Pix(fx-3, fy-3, c2);
fx++;
}
else if (*f == '0' || *f == 'o' || *f == 'O')
fx++;
f++;
}
}
}
break;
default:
case 1:
Draw_Character (
scr_vrect.x + scr_vrect.width/2-4 + cl_crossx.value,
scr_vrect.y + scr_vrect.height/2-4 + cl_crossy.value,
'+');
break;
#include "crosshairs.dat"
}
}
/*
================
Draw_DebugChar
Draws a single character directly to the upper right corner of the screen.
This is for debugging lockups by drawing different chars in different parts
of the code.
================
*/
void SWDraw_DebugChar (qbyte num)
{
qbyte *dest;
qbyte *source;
int drawline;
extern qbyte *draw_chars;
int row, col;
if (!vid.direct)
return; // don't have direct FB access, so no debugchars...
drawline = 8;
row = num>>4;
col = num&15;
source = draw_chars + (row<<10) + (col<<3);
dest = vid.direct + 312;
while (drawline--)
{
dest[0] = source[0];
dest[1] = source[1];
dest[2] = source[2];
dest[3] = source[3];
dest[4] = source[4];
dest[5] = source[5];
dest[6] = source[6];
dest[7] = source[7];
source += 128;
dest += 320;
}
}
/*
=============
Draw_Pic
=============
*/
void SWDraw_Pic (int x, int y, qpic_t *pic)
{
qbyte *dest, *source;
int v, u;
if (!pic)
return;
if ((x < 0) ||
(x + pic->width > vid.width) ||
(y < 0) ||
(y + pic->height > vid.height))
{
return;//Sys_Error ("Draw_Pic: bad coordinates");
}
source = pic->data;
if (r_pixbytes == 1)
{
dest = vid.buffer + y * vid.rowbytes + x;
for (v=0 ; v<pic->height ; v++)
{
Q_memcpy (dest, source, pic->width);
dest += vid.rowbytes;
source += pic->width;
}
}
else if (r_pixbytes == 4)
{
unsigned int *p32dest;
p32dest = (unsigned int *)vid.buffer + y * vid.rowbytes + x;
for (v=0 ; v<pic->height ; v++)
{
for (u=0 ; u<pic->width ; u++)
p32dest[u] = d_8to32table[source[u]];
p32dest += vid.rowbytes;
source += pic->width;
}
}
else if (r_pixbytes == 2)
{
unsigned short *p16dest;
p16dest = (unsigned short *)vid.buffer + y * vid.rowbytes + x;
for (v=0 ; v<pic->height ; v++)
{
for (u=0 ; u<pic->width ; u++)
p16dest[u] = d_8to16table[source[u]];
p16dest += vid.rowbytes;
source += pic->width;
}
}
}
/*
=============
Draw_SubPic
=============
*/
void SWDraw_SubPic(int x, int y, qpic_t *pic, int srcx, int srcy, int width, int height)
{
qbyte *dest, *source;
int v, u;
if ((x < 0) ||
(x + width > vid.width) ||
(y < 0) ||
(y + height > vid.height))
{
Sys_Error ("Draw_Pic: bad coordinates");
}
source = pic->data + srcy * pic->width + srcx;
if (r_pixbytes == 1)
{
dest = vid.buffer + y * vid.rowbytes + x;
for (v=0 ; v<height ; v++)
{
Q_memcpy (dest, source, width);
dest += vid.rowbytes;
source += pic->width;
}
}
else if (r_pixbytes == 2)
{
unsigned short *p16dest;
p16dest = (unsigned short *)vid.buffer + y * vid.rowbytes + x;
for (v=0 ; v<height ; v++)
{
for (u=0 ; u<(width) ; u++)
p16dest[u] = d_8to16table[source[u]];
p16dest += vid.rowbytes;
source += pic->width;
}
}
else if (r_pixbytes == 4)
{
unsigned int *p32dest;
p32dest = (unsigned int *)vid.buffer + y * vid.rowbytes + x;
for (v=0 ; v<height ; v++)
{
for (u=0 ; u<(width) ; u++)
p32dest[u] = d_8to32table[source[u]];
p32dest += vid.rowbytes;
source += pic->width;
}
}
}
/*
=============
Draw_TransPic
=============
*/
void SWDraw_TransPic (int x, int y, qpic_t *pic)
{
qbyte *source, tbyte;
int v, u;
if (!pic)
return;
if (x < 0 || (unsigned)(x + pic->width) > vid.width || y < 0 ||
(unsigned)(y + pic->height) > vid.height)
{
return;
Sys_Error ("Draw_TransPic: bad coordinates");
}
source = pic->data;
if (r_pixbytes == 1)
{
qbyte *dest;
dest = vid.buffer + y * vid.rowbytes + x;
if (pic->width & 7)
{ // general
for (v=0 ; v<pic->height ; v++)
{
for (u=0 ; u<pic->width ; u++)
if ( (tbyte=source[u]) != TRANSPARENT_COLOR)
dest[u] = tbyte;
dest += vid.rowbytes;
source += pic->width;
}
}
else
{ // unwound
for (v=0 ; v<pic->height ; v++)
{
for (u=0 ; u<pic->width ; u+=8)
{
if ( (tbyte=source[u]) != TRANSPARENT_COLOR)
dest[u] = tbyte;
if ( (tbyte=source[u+1]) != TRANSPARENT_COLOR)
dest[u+1] = tbyte;
if ( (tbyte=source[u+2]) != TRANSPARENT_COLOR)
dest[u+2] = tbyte;
if ( (tbyte=source[u+3]) != TRANSPARENT_COLOR)
dest[u+3] = tbyte;
if ( (tbyte=source[u+4]) != TRANSPARENT_COLOR)
dest[u+4] = tbyte;
if ( (tbyte=source[u+5]) != TRANSPARENT_COLOR)
dest[u+5] = tbyte;
if ( (tbyte=source[u+6]) != TRANSPARENT_COLOR)
dest[u+6] = tbyte;
if ( (tbyte=source[u+7]) != TRANSPARENT_COLOR)
dest[u+7] = tbyte;
}
dest += vid.rowbytes;
source += pic->width;
}
}
}
else if (r_pixbytes == 2)
{
unsigned short *dest;
dest = (unsigned short *)vid.buffer + y * vid.rowbytes + x;
if (pic->width & 7)
{ // general
for (v=0 ; v<pic->height ; v++)
{
for (u=0 ; u<pic->width ; u++)
if ( (tbyte=source[u]) != TRANSPARENT_COLOR)
dest[u] = tbyte;
dest += vid.rowbytes;
source += pic->width;
}
}
else
{ // unwound
for (v=0 ; v<pic->height ; v++)
{
for (u=0 ; u<pic->width ; u+=8)
{
if ( (tbyte=source[u]) != TRANSPARENT_COLOR)
dest[u] = d_8to16table[tbyte];
if ( (tbyte=source[u+1]) != TRANSPARENT_COLOR)
dest[u+1] = d_8to16table[tbyte];
if ( (tbyte=source[u+2]) != TRANSPARENT_COLOR)
dest[u+2] = d_8to16table[tbyte];
if ( (tbyte=source[u+3]) != TRANSPARENT_COLOR)
dest[u+3] = d_8to16table[tbyte];
if ( (tbyte=source[u+4]) != TRANSPARENT_COLOR)
dest[u+4] = d_8to16table[tbyte];
if ( (tbyte=source[u+5]) != TRANSPARENT_COLOR)
dest[u+5] = d_8to16table[tbyte];
if ( (tbyte=source[u+6]) != TRANSPARENT_COLOR)
dest[u+6] = d_8to16table[tbyte];
if ( (tbyte=source[u+7]) != TRANSPARENT_COLOR)
dest[u+7] = d_8to16table[tbyte];
}
dest += vid.rowbytes;
source += pic->width;
}
}
}
else if (r_pixbytes == 4)
{
unsigned int *p32dest = (unsigned int *)vid.buffer + y * vid.rowbytes + x;
if (pic->width & 7)
{ // general
for (v=0 ; v<pic->height ; v++)
{
for (u=0 ; u<pic->width ; u++)
if ( (tbyte=source[u]) != TRANSPARENT_COLOR)
p32dest[u] = d_8to32table[tbyte];
p32dest += vid.rowbytes;
source += pic->width;
}
}
else
{ // unwound
for (v=0 ; v<pic->height ; v++)
{
for (u=0 ; u<pic->width ; u+=8)
{
if ( (tbyte=source[u]) != TRANSPARENT_COLOR)
p32dest[u] = d_8to32table[tbyte];
if ( (tbyte=source[u+1]) != TRANSPARENT_COLOR)
p32dest[u+1] = d_8to32table[tbyte];
if ( (tbyte=source[u+2]) != TRANSPARENT_COLOR)
p32dest[u+2] = d_8to32table[tbyte];
if ( (tbyte=source[u+3]) != TRANSPARENT_COLOR)
p32dest[u+3] = d_8to32table[tbyte];
if ( (tbyte=source[u+4]) != TRANSPARENT_COLOR)
p32dest[u+4] = d_8to32table[tbyte];
if ( (tbyte=source[u+5]) != TRANSPARENT_COLOR)
p32dest[u+5] = d_8to32table[tbyte];
if ( (tbyte=source[u+6]) != TRANSPARENT_COLOR)
p32dest[u+6] = d_8to32table[tbyte];
if ( (tbyte=source[u+7]) != TRANSPARENT_COLOR)
p32dest[u+7] = d_8to32table[tbyte];
}
p32dest += vid.rowbytes;
source += pic->width;
}
}
}
}
/*
=============
Draw_TransPicTranslate
=============
*/
void SWDraw_TransPicTranslate (int x, int y, qpic_t *pic, qbyte *translation)
{
qbyte *source, tbyte;
int v, u;
if (x < 0 || (unsigned)(x + pic->width) > vid.width || y < 0 ||
(unsigned)(y + pic->height) > vid.height)
{
Sys_Error ("Draw_TransPic: bad coordinates");
}
source = pic->data;
if (r_pixbytes == 1)
{
qbyte *dest;
dest = vid.buffer + y * vid.rowbytes + x;
if (pic->width & 7)
{ // general
for (v=0 ; v<pic->height ; v++)
{
for (u=0 ; u<pic->width ; u++)
if ( (tbyte=source[u]) != TRANSPARENT_COLOR)
dest[u] = translation[tbyte];
dest += vid.rowbytes;
source += pic->width;
}
}
else
{ // unwound
for (v=0 ; v<pic->height ; v++)
{
for (u=0 ; u<pic->width ; u+=8)
{
if ( (tbyte=source[u]) != TRANSPARENT_COLOR)
dest[u] = translation[tbyte];
if ( (tbyte=source[u+1]) != TRANSPARENT_COLOR)
dest[u+1] = translation[tbyte];
if ( (tbyte=source[u+2]) != TRANSPARENT_COLOR)
dest[u+2] = translation[tbyte];
if ( (tbyte=source[u+3]) != TRANSPARENT_COLOR)
dest[u+3] = translation[tbyte];
if ( (tbyte=source[u+4]) != TRANSPARENT_COLOR)
dest[u+4] = translation[tbyte];
if ( (tbyte=source[u+5]) != TRANSPARENT_COLOR)
dest[u+5] = translation[tbyte];
if ( (tbyte=source[u+6]) != TRANSPARENT_COLOR)
dest[u+6] = translation[tbyte];
if ( (tbyte=source[u+7]) != TRANSPARENT_COLOR)
dest[u+7] = translation[tbyte];
}
dest += vid.rowbytes;
source += pic->width;
}
}
}
else if (r_pixbytes == 4)
{
unsigned int *puidest;
puidest = (unsigned int *)(vid.buffer + ((y * vid.rowbytes + x) << 2));
if (pic->width & 7)
{ // general
for (v=0 ; v<pic->height ; v++)
{
for (u=0 ; u<pic->width ; u++)
if ( (tbyte=source[u]) != TRANSPARENT_COLOR)
puidest[u] = d_8to32table[translation[tbyte]];
puidest += vid.rowbytes;
source += pic->width;
}
}
else
{ // unwound
for (v=0 ; v<pic->height ; v++)
{
for (u=0 ; u<pic->width ; u+=8)
{
if ( (tbyte=source[u]) != TRANSPARENT_COLOR)
puidest[u] = d_8to32table[translation[tbyte]];
if ( (tbyte=source[u+1]) != TRANSPARENT_COLOR)
puidest[u+1] = d_8to32table[translation[tbyte]];
if ( (tbyte=source[u+2]) != TRANSPARENT_COLOR)
puidest[u+2] = d_8to32table[translation[tbyte]];
if ( (tbyte=source[u+3]) != TRANSPARENT_COLOR)
puidest[u+3] = d_8to32table[translation[tbyte]];
if ( (tbyte=source[u+4]) != TRANSPARENT_COLOR)
puidest[u+4] = d_8to32table[translation[tbyte]];
if ( (tbyte=source[u+5]) != TRANSPARENT_COLOR)
puidest[u+5] = d_8to32table[translation[tbyte]];
if ( (tbyte=source[u+6]) != TRANSPARENT_COLOR)
puidest[u+6] = d_8to32table[translation[tbyte]];
if ( (tbyte=source[u+7]) != TRANSPARENT_COLOR)
puidest[u+7] = d_8to32table[translation[tbyte]];
}
puidest += vid.rowbytes;
source += pic->width;
}
}
}
else
Sys_Error("draw_transpictranslate: r_pixbytes\n");
}
void SWDraw_CharToConback (int num, qbyte *dest)
{
int row, col;
qbyte *source;
int drawline;
int x;
row = num>>4;
col = num&15;
source = draw_chars + (row<<10) + (col<<3);
drawline = 8;
while (drawline--)
{
for (x=0 ; x<8 ; x++)
if (source[x])
dest[x] = 0x60 + source[x];
source += 128;
dest += 320;
}
}
void SWDraw_SubImage32(
int scx, int scy, int scwidth, int scheight, //screen
int six, int siy, int siwidth, int siheight, //sub image
int iwidth, int iheight, qbyte *in)
{
unsigned int *gamma = d_8to32table;
unsigned int *dest;
qbyte *src;
int v;
int f, fstep;
int x, y;
int outstride = vid.rowbytes;
dest = (unsigned int *)vid.buffer + scx + scy*outstride;
fstep = (siwidth<<16)/scwidth;
for (y=0 ; y<scheight ; y++, dest += outstride)
{
v = y*siheight/scheight;
src = in + (siy+v)*iwidth + six;
{
f = 0;
for (x=0; x < (scwidth&~3); x+=4) //cut down on loop stuff
{
if (src[(f>>16)] != 255)
{
dest[x] = gamma[src[(f>>16)]];
}
f += fstep;
if (src[(f>>16)] != 255)
{
dest[1+x] = gamma[src[(f>>16)]];
}
f += fstep;
if (src[(f>>16)] != 255)
{
dest[2+x] = gamma[src[(f>>16)]];
}
f += fstep;
if (src[(f>>16)] != 255)
{
dest[3+x] = gamma[src[(f>>16)]];
}
f += fstep;
}
for (; x<scwidth; x+=1) //sw 32 bit rendering is bgrx
{
if (src[(f>>16)] != 255)
{
dest[x] = gamma[src[(f>>16)]];
}
f += fstep;
}
}
}
}
//blend in colour and alpha (still 8 bit source though)
void SWDraw_SubImageBlend32(
int scx, int scy, int scwidth, int scheight, //screen
int six, int siy, int siwidth, int siheight, //sub image
int iwidth, int iheight, qbyte *in, int red, int green, int blue, int alpha)
{
unsigned char *pal = (unsigned char *)d_8to32table;
unsigned char *dest;
qbyte *src;
int v;
int f, fstep;
int x, y;
int outstride = vid.rowbytes;
dest = (unsigned char *)vid.buffer + 4*(scx + scy*outstride);
fstep = (siwidth<<16)/scwidth;
for (y=0 ; y<scheight ; y++, dest += outstride*4)
{
v = y*siheight/scheight;
src = in + (siy+v)*iwidth + six;
{
f = 0;
for (x=0; x<scwidth<<2; x+=4) //sw 32 bit rendering is bgrx
{
if (src[(f>>16)] != 255)
{
dest[x + 0] = ((255-alpha)*dest[x + 0] + (blue*alpha*pal[(src[f>>16]<<2) + 0])/255)/255;
dest[x + 1] = ((255-alpha)*dest[x + 1] + (green*alpha*pal[(src[f>>16]<<2) + 1])/255)/255;
dest[x + 2] = ((255-alpha)*dest[x + 2] + (red*alpha*pal[(src[f>>16]<<2) + 2])/255)/255;
}
f += fstep;
}
}
}
}
void SWDraw_SubImage16(
int scx, int scy, int scwidth, int scheight, //screen
int six, int siy, int siwidth, int siheight, //sub image
int iwidth, int iheight, qbyte *in)
{
unsigned short *dest;
qbyte *src;
int v;
int f, fstep;
int x, y;
int outstride = vid.rowbytes;
dest = (unsigned short *)vid.buffer + scx + scy*outstride;
fstep = (siwidth<<16)/scwidth;
for (y=0 ; y<scheight ; y++, dest += outstride)
{
v = y*siheight/scheight;
src = in + (siy+v)*iwidth + six;
{
f = 0;
for (x=0; x < (scwidth&~3); x+=4) //cut down on loop stuff
{
if (src[(f>>16)] != 255)
{
dest[x] = d_8to16table[src[(f>>16)]];
}
f += fstep;
if (src[(f>>16)] != 255)
{
dest[1+x] = d_8to16table[src[(f>>16)]];
}
f += fstep;
if (src[(f>>16)] != 255)
{
dest[2+x] = d_8to16table[src[(f>>16)]];
}
f += fstep;
if (src[(f>>16)] != 255)
{
dest[3+x] = d_8to16table[src[(f>>16)]];
}
f += fstep;
}
for (; x<scwidth; x+=1) //sw 32 bit rendering is bgrx
{
if (src[(f>>16)] != 255)
{
dest[x] = d_8to16table[src[(f>>16)]];
}
f += fstep;
}
}
}
}
void SWDraw_SubImage8(
int scx, int scy, int scwidth, int scheight, //screen
int six, int siy, int siwidth, int siheight, //sub image
int iwidth, int iheight, qbyte *in)
{
unsigned char *dest;
qbyte *src;
int v;
int f, fstep;
int x, y;
int outstride = vid.rowbytes;
dest = (unsigned char *)vid.buffer + scx + scy*outstride;
fstep = (siwidth<<16)/scwidth;
for (y=0 ; y<scheight ; y++, dest += outstride)
{
v = y*siheight/scheight;
src = in + (siy+v)*iwidth + six;
{
f = 0;
for (x=0; x < (scwidth&~3); x+=4) //cut down on loop stuff
{
if (src[(f>>16)] != 255)
{
dest[x] = src[(f>>16)];
}
f += fstep;
if (src[(f>>16)] != 255)
{
dest[1+x] = src[(f>>16)];
}
f += fstep;
if (src[(f>>16)] != 255)
{
dest[2+x] = src[(f>>16)];
}
f += fstep;
if (src[(f>>16)] != 255)
{
dest[3+x] = src[(f>>16)];
}
f += fstep;
}
for (; x<scwidth; x+=1) //sw 32 bit rendering is bgrx
{
if (src[(f>>16)] != 255)
{
dest[x] = src[(f>>16)];
}
f += fstep;
}
}
}
}
static qboolean SWDraw_Image_Blend;
static int SWDraw_Image_Red=1, SWDraw_Image_Green=1, SWDraw_Image_Blue=1, SWDraw_Image_Alpha=1;
void SWDraw_ImageColours (float r, float g, float b, float a) //like glcolour4f
{
SWDraw_Image_Red=r*255;
SWDraw_Image_Green=g*255;
SWDraw_Image_Blue=b*255;
SWDraw_Image_Alpha=a*255;
SWDraw_Image_Blend = r<1 || b<1 || g<1 || a<1;
}
void SWDraw_Image (float xp, float yp, float wp, float hp, float s1, float t1, float s2, float t2, qpic_t *pic)
{
float xend, yend, xratio, yratio;
if (!pic)
return;
xratio = pic->width / wp;
yratio = pic->height / hp;
// redefine borders
s2 = (s2-s1)*pic->width;
t2 = (t2-t1)*pic->height;
s1 = s1*pic->width;
t1 = t1*pic->height;
// clip left/top edge
if (xp < 0)
{
s1 -= xp * xratio;
s2 += xp * xratio;
wp += xp;
xp = 0;
}
if (yp < 0)
{
t1 -= yp * yratio;
t2 += yp * yratio;
hp += yp;
yp = 0;
}
// clip right/bottom edge
xend = xp+wp;
yend = yp+hp;
if (xend > vid.width)
{
xend -= vid.width;
s2 -= xend * xratio;
wp -= xend;
}
if (yend > vid.height)
{
yend -= vid.height;
t2 -= yend * yratio;
hp -= yend;
}
// bounds check...
if (s2 < 1)
s2 = 1;
if (t2 < 1)
t2 = 1;
if (wp < 1 || hp < 1 || s1 >= pic->width || t1 >= pic->height)
return;
// draw the pic
if (r_pixbytes == 1)
{
SWDraw_SubImage8(xp, yp, wp, hp, s1, t1, s2, t2, pic->width, pic->height, pic->data);
}
else if (r_pixbytes == 2)
{
SWDraw_SubImage16(xp, yp, wp, hp, s1, t1, s2, t2, pic->width, pic->height, pic->data);
}
else
{
if (SWDraw_Image_Blend) //blend it on
{
SWDraw_SubImageBlend32(xp, yp, wp, hp, s1, t1, s2, t2,
pic->width, pic->height, pic->data,
SWDraw_Image_Red, SWDraw_Image_Green, SWDraw_Image_Blue, SWDraw_Image_Alpha);
}
else //block colour (fast)
{
SWDraw_SubImage32(xp, yp, wp, hp, s1, t1, s2, t2, pic->width, pic->height, pic->data);
}
}
}
/*
================
Draw_ConsoleBackground
================
*/
void SWDraw_ConsoleBackground (int lines)
{
int x, y, v;
qbyte *src;
qbyte *dest;
int f, fstep;
qpic_t *conback;
char ver[100];
static char saveback[320*8];
conback = SWDraw_SafeCachePic ("gfx/conback.lmp");
if (!conback)
conback = SWDraw_SafeCachePic("pics/conback.pcx");
if (!conback)
conback = SWDraw_SafeCachePic ("gfx/menu/conback.lmp");
if (!conback)
Sys_Error("gfx/conback.lmp not found\n");
if (lines > vid.conheight)
lines = vid.conheight;
// hack the version number directly into the pic
//sprintf (ver, "start commands with a \\ character %4.2f", VERSION);
if (cls.downloadmethod) //don't cover the downloading bit.
{
sprintf (ver, "%4.2f", VERSION);
dest = conback->data + 320 + 320*186 - 11 - 8*strlen(ver);
}
else
{
if (r_pixbytes == 4)
#ifdef DISTRIBUTION
#if defined(__linux__)
sprintf (ver, "rgb Linux (%4.2f) QuakeWorld %s %4.2f", LINUX_VERSION, DISTRIBUTION, VERSION);
#else
sprintf (ver, "rgb QuakeWorld %s %4.2f", DISTRIBUTION, VERSION);
#endif
#else
#if defined(__linux__)
sprintf (ver, "rgb Linux (%4.2f) QuakeWorld %4.2f", LINUX_VERSION, VERSION);
#else
sprintf (ver, "rgb QuakeWorld %4.2f", VERSION);
#endif
#endif
else
#ifdef DISTRIBUTION
#if defined(__linux__)
sprintf (ver, "Linux (%4.2f) QuakeWorld %s %4.2f", LINUX_VERSION, DISTRIBUTION, VERSION);
#else
sprintf (ver, "QuakeWorld %s %4.2f", DISTRIBUTION, VERSION);
#endif
#else
#if defined(__linux__)
sprintf (ver, "Linux (%4.2f) QuakeWorld %4.2f", LINUX_VERSION, VERSION);
#else
sprintf (ver, "QuakeWorld %4.2f", VERSION);
#endif
#endif
dest = conback->data + 320 - (strlen(ver)*8 + 11) + 320*186;
}
memcpy(saveback, conback->data + 320*186, 320*8);
for (x=0 ; x<strlen(ver) ; x++)
SWDraw_CharToConback (ver[x], dest+(x<<3));
// draw the pic
if (r_pixbytes == 1)
{
dest = vid.conbuffer;
for (y=0 ; y<lines ; y++, dest += vid.conrowbytes)
{
v = (vid.conheight - lines + y)*200/vid.conheight;
src = conback->data + v*320;
if (vid.conwidth == 320)
memcpy (dest, src, vid.conwidth);
else
{
f = 0;
fstep = 320*0x10000/vid.conwidth;
for (x=0 ; x<vid.conwidth ; x+=4)
{
dest[x] = src[f>>16];
f += fstep;
dest[x+1] = src[f>>16];
f += fstep;
dest[x+2] = src[f>>16];
f += fstep;
dest[x+3] = src[f>>16];
f += fstep;
}
}
}
}
else if (r_pixbytes == 2)
{
unsigned short *dest16 = (unsigned short *)vid.conbuffer;
unsigned short *pal = d_8to16table;
for (y=0 ; y<lines ; y++, dest16 += vid.conrowbytes)
{
v = (vid.conheight - lines + y)*200/vid.conheight;
src = conback->data + v*320;
// if (vid.conwidth == 320)
// memcpy (dest16, src, vid.conwidth);
// else
{
f = 0;
fstep = 320*0x10000/vid.conwidth;
for (x=0 ; x<vid.conwidth ; x+=4)
{
dest16[x] = pal[src[f>>16]];
f += fstep;
dest16[x+1] = pal[src[f>>16]];
f += fstep;
dest16[x+2] = pal[src[f>>16]];
f += fstep;
dest16[x+3] = pal[src[f>>16]];
f += fstep;
}
}
}
}
else
{
extern cvar_t d_smooth;
unsigned int *p24dest;
unsigned char *pal = (qbyte *)d_8to32table;
int alpha = ((float)(lines)/((vid.height * 3) >> 2))*255;
if (alpha > 255) alpha = 255;
p24dest = (unsigned int *)vid.conbuffer;
dest = (unsigned char *)vid.conbuffer;
if (d_smooth.value) //smoothed
{
qbyte *src2;
int f1, f2;
int vf, hf;
for (y=0 ; y<lines ; y++, dest += (vid.conrowbytes<<2))
{
v = (vid.conheight - lines + y)*199/vid.conheight;
src = conback->data + v*320;
v = (vid.conheight - lines + y)*199/vid.conheight+1;
src2 = conback->data + v*320;
v = (vid.conheight - lines + y)*199/vid.conheight;
vf = (((vid.conheight - lines + y)*199.0/vid.conheight) - v) * 255;
f = 0;
fstep = 319*0x10000/vid.conwidth;
for (x=0 ; x<vid.conwidth ; x+=1)
{
hf = (f - (f>>16)*65536) / 256;
f1 = ((255-hf) * pal[(src [f>>16]<<2) + 0] + hf * pal[(src [(f>>16)+1]<<2) + 0])/255;
f2 = ((255-hf) * pal[(src2[f>>16]<<2) + 0] + hf * pal[(src2[(f>>16)+1]<<2) + 0])/255;
f1 = ((255-vf)*f1+vf*f2)/255;
dest[(x<<2) + 0] = ((255-alpha)*dest[(x<<2) + 0] + alpha*f1)/255;
f1 = ((255-hf) * pal[(src [f>>16]<<2) + 1] + hf * pal[(src [(f>>16)+1]<<2) + 1])/255;
f2 = ((255-hf) * pal[(src2[f>>16]<<2) + 1] + hf * pal[(src2[(f>>16)+1]<<2) + 1])/255;
f1 = ((255-vf)*f1+vf*f2)/255;
dest[(x<<2) + 1] = ((255-alpha)*dest[(x<<2) + 1] + alpha*f1)/255;
f1 = ((255-hf) * pal[(src [f>>16]<<2) + 2] + hf * pal[(src [(f>>16)+1]<<2) + 2])/255;
f2 = ((255-hf) * pal[(src2[f>>16]<<2) + 2] + hf * pal[(src2[(f>>16)+1]<<2) + 2])/255;
f1 = ((255-vf)*f1+vf*f2)/255;
dest[(x<<2) + 2] = ((255-alpha)*dest[(x<<2) + 2] + alpha*f1)/255;
f += fstep;
}
}
}
else
if (alpha != 255) //blend it on
{
for (y=0 ; y<lines ; y++, dest += (vid.conrowbytes<<2))
{
v = (vid.conheight - lines + y)*200/vid.conheight;
src = conback->data + v*320;
f = 0;
fstep = 320*0x10000/vid.conwidth;
for (x=0 ; x<vid.conwidth ; x+=1)
{
dest[(x<<2) + 0] = ((255-alpha)*dest[(x<<2) + 0] + alpha*pal[(src[f>>16]<<2) + 0])/255;
dest[(x<<2) + 1] = ((255-alpha)*dest[(x<<2) + 1] + alpha*pal[(src[f>>16]<<2) + 1])/255;
dest[(x<<2) + 2] = ((255-alpha)*dest[(x<<2) + 2] + alpha*pal[(src[f>>16]<<2) + 2])/255;
f += fstep;
}
}
}
else //block colour (fast)
{
for (y=0 ; y<lines ; y++, p24dest += vid.conrowbytes)
{
v = (vid.conheight - lines + y)*200/vid.conheight;
src = conback->data + v*320;
f = 0;
fstep = 320*0x10000/vid.conwidth;
for (x=0 ; x<vid.conwidth ; x+=4)
{
p24dest[x] = d_8to32table[src[f>>16]];
f += fstep;
p24dest[x+1] = d_8to32table[src[f>>16]];
f += fstep;
p24dest[x+2] = d_8to32table[src[f>>16]];
f += fstep;
p24dest[x+3] = d_8to32table[src[f>>16]];
f += fstep;
}
}
}
}
// put it back
memcpy(conback->data + 320*186, saveback, 320*8);
}
#ifdef TEXTEDITOR
void SWDraw_EditorBackground (int lines)
{
SWDraw_ConsoleBackground (lines);
}
#endif
/*
==============
R_DrawRect8
==============
*/
void R_DrawRect8 (vrect_t *prect, int rowbytes, qbyte *psrc,
int transparent)
{
qbyte t;
int i, j, srcdelta, destdelta;
qbyte *pdest;
pdest = vid.buffer + (prect->y * vid.rowbytes) + prect->x;
srcdelta = rowbytes - prect->width;
destdelta = vid.rowbytes - prect->width;
if (transparent)
{
for (i=0 ; i<prect->height ; i++)
{
for (j=0 ; j<prect->width ; j++)
{
t = *psrc;
if (t != TRANSPARENT_COLOR)
{
*pdest = t;
}
psrc++;
pdest++;
}
psrc += srcdelta;
pdest += destdelta;
}
}
else
{
for (i=0 ; i<prect->height ; i++)
{
memcpy (pdest, psrc, prect->width);
psrc += rowbytes;
pdest += vid.rowbytes;
}
}
}
/*
==============
R_DrawRect16
==============
*/
void R_DrawRect16 (vrect_t *prect, int rowbytes, qbyte *psrc,
int transparent)
{
qbyte t;
int i, j, srcdelta, destdelta;
unsigned short *pdest;
// FIXME: would it be better to pre-expand native-format versions?
pdest = (unsigned short *)vid.buffer +
(prect->y * (vid.rowbytes)) + prect->x;
srcdelta = rowbytes - prect->width;
destdelta = (vid.rowbytes) - prect->width;
if (transparent)
{
for (i=0 ; i<prect->height ; i++)
{
for (j=0 ; j<prect->width ; j++)
{
t = *psrc;
if (t != TRANSPARENT_COLOR)
{
*pdest = d_8to16table[t];
}
psrc++;
pdest++;
}
psrc += srcdelta;
pdest += destdelta;
}
}
else
{
for (i=0 ; i<prect->height ; i++)
{
for (j=0 ; j<prect->width ; j++)
{
*pdest = d_8to16table[*psrc];
psrc++;
pdest++;
}
psrc += srcdelta;
pdest += destdelta;
}
}
}
void R_DrawRect32 (vrect_t *prect, int rowbytes, qbyte *psrc,
int transparent)
{
qbyte t;
int i, j, srcdelta, destdelta;
unsigned int *pdest;
// FIXME: would it be better to pre-expand native-format versions?
pdest = (unsigned int *)vid.buffer +
(prect->y * vid.rowbytes) + prect->x;
srcdelta = rowbytes - prect->width;
destdelta = vid.rowbytes - prect->width;
if (transparent)
{
for (i=0 ; i<prect->height ; i++)
{
for (j=0 ; j<prect->width ; j++)
{
t = *psrc;
if (t != TRANSPARENT_COLOR)
{
*pdest = d_8to32table[t];
}
psrc++;
pdest++;
}
psrc += srcdelta;
pdest += destdelta;
}
}
else
{
for (i=0 ; i<prect->height ; i++)
{
for (j=0 ; j<prect->width ; j++)
{
*pdest = d_8to32table[*psrc];
psrc++;
pdest++;
}
psrc += srcdelta;
pdest += destdelta;
}
}
}
/*
=============
Draw_TileClear
This repeats a 64*64 tile graphic to fill the screen around a sized down
refresh window.
=============
*/
void SWDraw_TileClear (int x, int y, int w, int h)
{
int width, height, tileoffsetx, tileoffsety;
qbyte *psrc;
vrect_t vr;
if (!r_rectdesc.height || !r_rectdesc.width)
return;
r_rectdesc.rect.x = x;
r_rectdesc.rect.y = y;
r_rectdesc.rect.width = w;
r_rectdesc.rect.height = h;
vr.y = r_rectdesc.rect.y;
height = r_rectdesc.rect.height;
tileoffsety = vr.y % r_rectdesc.height;
while (height > 0)
{
vr.x = r_rectdesc.rect.x;
width = r_rectdesc.rect.width;
if (tileoffsety != 0)
vr.height = r_rectdesc.height - tileoffsety;
else
vr.height = r_rectdesc.height;
if (vr.height > height)
vr.height = height;
tileoffsetx = vr.x % r_rectdesc.width;
while (width > 0)
{
if (tileoffsetx != 0)
vr.width = r_rectdesc.width - tileoffsetx;
else
vr.width = r_rectdesc.width;
if (vr.width > width)
vr.width = width;
psrc = r_rectdesc.ptexbytes +
(tileoffsety * r_rectdesc.rowbytes) + tileoffsetx;
if (r_pixbytes == 1)
{
R_DrawRect8 (&vr, r_rectdesc.rowbytes, psrc, 0);
}
else if (r_pixbytes == 4)
{
R_DrawRect32 (&vr, r_rectdesc.rowbytes, psrc, 0);
}
else
{
R_DrawRect16 (&vr, r_rectdesc.rowbytes, psrc, 0);
}
vr.x += vr.width;
width -= vr.width;
tileoffsetx = 0; // only the left tile can be left-clipped
}
vr.y += vr.height;
height -= vr.height;
tileoffsety = 0; // only the top tile can be top-clipped
}
}
/*
=============
Draw_Fill
Fills a box of pixels with a single color
=============
*/
void SWDraw_Fill (int x, int y, int w, int h, int c)
{
int u, v;
if (x < 0 || x + w > vid.width ||
y < 0 || y + h > vid.height) {
Con_Printf("Bad Draw_Fill(%d, %d, %d, %d, %c)\n",
x, y, w, h, c);
return;
}
if (r_pixbytes == 1)
{
qbyte *dest;
dest = vid.buffer + y*vid.rowbytes + x;
for (v=0 ; v<h ; v++, dest += vid.rowbytes)
for (u=0 ; u<w ; u++)
dest[u] = c;
}
else if (r_pixbytes == 4)
{
unsigned int *p32dest;
p32dest = (unsigned int*)vid.buffer + y*vid.rowbytes + x;
for (v=0 ; v<h ; v++, p32dest += vid.rowbytes)
for (u=0 ; u<w ; u++)
p32dest[u] = d_8to32table[c];
}
else if (r_pixbytes == 2)
{
unsigned short *p16dest;
p16dest = (unsigned short*)vid.buffer + y*vid.rowbytes + x;
for (v=0 ; v<h ; v++, p16dest += vid.rowbytes)
for (u=0 ; u<w ; u++)
p16dest[u] = d_8to16table[c];
}
}
//=============================================================================
/*
================
Draw_FadeScreen
================
*/
void SWDraw_FadeScreen (void)
{
int x,y;
VID_UnlockBuffer ();
S_ExtraUpdate ();
VID_LockBuffer ();
if (r_pixbytes == 4)
{
qbyte *pbuf;
for (y=0 ; y<vid.height ; y++)
{
pbuf = (qbyte *)((unsigned int *)vid.buffer + vid.rowbytes*y);
for (x=0 ; x<vid.width*4 ; x++)
{
pbuf[x] /= 1.7;
}
}
}
else if (r_pixbytes == 2)
{
unsigned short *pbuf;
for (y=0 ; y<vid.height ; y++)
{
int t;
pbuf = (unsigned short *)vid.buffer + vid.rowbytes*y;
t = (y & 1) << 1;
for (x=0 ; x<vid.width ; x++)
{
if ((x & 3) != t)
pbuf[x] = 0;
}
}
}
else
{
qbyte *pbuf;
for (y=0 ; y<vid.height ; y++)
{
int t;
pbuf = (qbyte *)(vid.buffer + vid.rowbytes*y);
t = (y & 1) << 1;
for (x=0 ; x<vid.width ; x++)
{
if ((x & 3) != t)
pbuf[x] = 0;
}
}
}
VID_UnlockBuffer ();
S_ExtraUpdate ();
VID_LockBuffer ();
}
void SWDraw_Box(int x1, int y1, int x2, int y2, int paletteindex, float alpha)
{
int x;
int y;
int w;
int h;
qbyte *dest;
unsigned int *puidest;
unsigned uc;
int u, v;
Set_TransLevelF(alpha);
if (x1 < x2)
{
x = x1;
w = x2-x1;
}
else
{
x = x2;
w = x1-x2;
}
if (y1 < y2)
{
y = y1;
h = y2-y1;
}
else
{
y = y2;
h = y1-y2;
}
if (x < 0 || x + w > vid.width ||
y < 0 || y + h > vid.height) {
Con_Printf("Bad SWDraw_Box(%d, %d, %d, %d, %i)\n",
x, y, w, h, paletteindex);
return;
}
if (r_pixbytes == 1)
{
dest = vid.buffer + y*vid.rowbytes + x;
for (v=0 ; v<h ; v++, dest += vid.rowbytes)
for (u=0 ; u<w ; u++)
dest[u] = Trans(dest[u], paletteindex);
}
else if (r_pixbytes == 4)
{
uc = d_8to32table[paletteindex];
puidest = (unsigned int *)vid.buffer + y * (vid.rowbytes) + x;
for (v=0 ; v<h ; v++, puidest += vid.rowbytes)
for (u=0 ; u<w ; u++)
puidest[u] = uc;
}
}
//=============================================================================
/*
================
Draw_BeginDisc
Draws the little blue disc in the corner of the screen.
Call before beginning any disc IO.
================
*/
void SWDraw_BeginDisc (void)
{
if (draw_disc)
D_BeginDirectRect (vid.width - 24, 0, draw_disc->data, 24, 24);
}
/*
================
Draw_EndDisc
Erases the disc icon.
Call after completing any disc IO
================
*/
void SWDraw_EndDisc (void)
{
if (draw_disc)
D_EndDirectRect (vid.width - 24, 0, 24, 24);
}
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