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/*
===========================================================================
Copyright (C) 1997-2006 Id Software, Inc.
This file is part of Quake 2 Tools source code.
Quake 2 Tools source code 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.
Quake 2 Tools source code 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 Quake 2 Tools source code; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
===========================================================================
*/
#include "qdata.h"
char mip_prefix[1024]; // directory to dump the textures in
qboolean colormap_issued;
byte colormap_palette[768];
/*
==============
RemapZero
Replaces all 0 bytes in an image with the closest palette entry.
This is because NT won't let us change index 0, so any palette
animation leaves those pixels untouched.
==============
*/
void RemapZero (byte *pixels, byte *palette, int width, int height)
{
int i, c;
int alt_zero;
int value, best;
alt_zero = 0;
best = 9999999;
for (i=1 ; i<255 ; i++)
{
value = palette[i*3+0]+palette[i*3+1]+palette[i*3+2];
if (value < best)
{
best = value;
alt_zero = i;
}
}
c = width*height;
for (i=0 ; i<c ; i++)
if (pixels[i] == 0)
pixels[i] = alt_zero;
}
/*
==============
Cmd_Grab
$grab filename x y width height
==============
*/
void Cmd_Grab (void)
{
int xl,yl,w,h,y;
byte *cropped;
char savename[1024];
char dest[1024];
GetToken (false);
if (token[0] == '/' || token[0] == '\\')
sprintf (savename, "%s%s.pcx", gamedir, token+1);
else
sprintf (savename, "%spics/%s.pcx", gamedir, token);
if (g_release)
{
if (token[0] == '/' || token[0] == '\\')
sprintf (dest, "%s.pcx", token+1);
else
sprintf (dest, "pics/%s.pcx", token);
ReleaseFile (dest);
return;
}
GetToken (false);
xl = atoi (token);
GetToken (false);
yl = atoi (token);
GetToken (false);
w = atoi (token);
GetToken (false);
h = atoi (token);
if (xl<0 || yl<0 || w<0 || h<0 || xl+w>byteimagewidth || yl+h>byteimageheight)
Error ("GrabPic: Bad size: %i, %i, %i, %i",xl,yl,w,h);
// crop it to the proper size
cropped = malloc (w*h);
for (y=0 ; y<h ; y++)
{
memcpy (cropped+y*w, byteimage+(y+yl)*byteimagewidth+xl, w);
}
// save off the new image
printf ("saving %s\n", savename);
CreatePath (savename);
WritePCXfile (savename, cropped, w, h, lbmpalette);
free (cropped);
}
/*
==============
Cmd_Raw
$grab filename x y width height
==============
*/
void Cmd_Raw (void)
{
int xl,yl,w,h,y;
byte *cropped;
char savename[1024];
char dest[1024];
GetToken (false);
sprintf (savename, "%s%s.lmp", gamedir, token);
if (g_release)
{
sprintf (dest, "%s.lmp", token);
ReleaseFile (dest);
return;
}
GetToken (false);
xl = atoi (token);
GetToken (false);
yl = atoi (token);
GetToken (false);
w = atoi (token);
GetToken (false);
h = atoi (token);
if (xl<0 || yl<0 || w<0 || h<0 || xl+w>byteimagewidth || yl+h>byteimageheight)
Error ("GrabPic: Bad size: %i, %i, %i, %i",xl,yl,w,h);
// crop it to the proper size
cropped = malloc (w*h);
for (y=0 ; y<h ; y++)
{
memcpy (cropped+y*w, byteimage+(y+yl)*byteimagewidth+xl, w);
}
// save off the new image
printf ("saving %s\n", savename);
CreatePath (savename);
SaveFile (savename, cropped, w*h);
free (cropped);
}
/*
=============================================================================
COLORMAP GRABBING
=============================================================================
*/
/*
===============
BestColor
===============
*/
byte BestColor (int r, int g, int b, int start, int stop)
{
int i;
int dr, dg, db;
int bestdistortion, distortion;
int bestcolor;
byte *pal;
//
// let any color go to 0 as a last resort
//
bestdistortion = 256*256*4;
bestcolor = 0;
pal = colormap_palette + start*3;
for (i=start ; i<= stop ; i++)
{
dr = r - (int)pal[0];
dg = g - (int)pal[1];
db = b - (int)pal[2];
pal += 3;
distortion = dr*dr + dg*dg + db*db;
if (distortion < bestdistortion)
{
if (!distortion)
return i; // perfect match
bestdistortion = distortion;
bestcolor = i;
}
}
return bestcolor;
}
/*
==============
Cmd_Colormap
$colormap filename
the brightes colormap is first in the table (FIXME: reverse this now?)
64 rows of 256 : lightmaps
256 rows of 256 : translucency table
==============
*/
void Cmd_Colormap (void)
{
int levels, brights;
int l, c;
float frac, red, green, blue;
float range;
byte *cropped, *lump_p;
char savename[1024];
char dest[1024];
colormap_issued = true;
if (!g_release)
memcpy (colormap_palette, lbmpalette, 768);
if (!TokenAvailable ())
{ // just setting colormap_issued
return;
}
GetToken (false);
sprintf (savename, "%spics/%s.pcx", gamedir, token);
if (g_release)
{
sprintf (dest, "pics/%s.pcx", token);
ReleaseFile (dest);
return;
}
range = 2;
levels = 64;
brights = 1; // ignore 255 (transparent)
cropped = malloc((levels+256)*256);
lump_p = cropped;
// shaded levels
for (l=0;l<levels;l++)
{
frac = range - range*(float)l/(levels-1);
for (c=0 ; c<256-brights ; c++)
{
red = lbmpalette[c*3];
green = lbmpalette[c*3+1];
blue = lbmpalette[c*3+2];
red = (int)(red*frac+0.5);
green = (int)(green*frac+0.5);
blue = (int)(blue*frac+0.5);
//
// note: 254 instead of 255 because 255 is the transparent color, and we
// don't want anything remapping to that
// don't use color 0, because NT can't remap that (or 255)
//
*lump_p++ = BestColor(red,green,blue, 1, 254);
}
// fullbrights allways stay the same
for ( ; c<256 ; c++)
*lump_p++ = c;
}
// 66% transparancy table
for (l=0;l<255;l++)
{
for (c=0 ; c<255 ; c++)
{
red = lbmpalette[c*3]*0.33 + lbmpalette[l*3]*0.66;
green = lbmpalette[c*3+1]*0.33 + lbmpalette[l*3+1]*0.66;
blue = lbmpalette[c*3+2]*0.33 + lbmpalette[l*3+2]*0.66;
*lump_p++ = BestColor(red,green,blue, 1, 254);
}
*lump_p++ = 255;
}
for (c=0 ; c<256 ; c++)
*lump_p++ = 255;
// save off the new image
printf ("saving %s\n", savename);
CreatePath (savename);
WritePCXfile (savename, cropped, 256, levels+256, lbmpalette);
free (cropped);
}
/*
=============================================================================
MIPTEX GRABBING
=============================================================================
*/
byte pixdata[256];
int d_red, d_green, d_blue;
byte palmap[32][32][32];
qboolean palmap_built;
/*
=============
FindColor
=============
*/
int FindColor (int r, int g, int b)
{
int bestcolor;
if (r > 255)
r = 255;
if (r < 0)
r = 0;
if (g > 255)
g = 255;
if (g < 0)
g = 0;
if (b > 255)
b = 255;
if (b < 0)
b = 0;
#ifndef TABLECOLORS
bestcolor = BestColor (r, g, b, 0, 254);
#else
bestcolor = palmap[r>>3][g>>3][b>>3];
#endif
return bestcolor;
}
void BuildPalmap (void)
{
#ifdef TABLECOLORS
int r, g, b;
int bestcolor;
if (palmap_built)
return;
palmap_built = true;
for (r=4 ; r<256 ; r+=8)
{
for (g=4 ; g<256 ; g+=8)
{
for (b=4 ; b<256 ; b+=8)
{
bestcolor = BestColor (r, g, b, 1, 254);
palmap[r>>3][g>>3][b>>3] = bestcolor;
}
}
}
#endif
if (!colormap_issued)
Error ("You must issue a $colormap command first");
}
/*
=============
AveragePixels
=============
*/
byte AveragePixels (int count)
{
int r,g,b;
int i;
int vis;
int pix;
int bestcolor;
byte *pal;
int fullbright;
vis = 0;
r = g = b = 0;
fullbright = 0;
for (i=0 ; i<count ; i++)
{
pix = pixdata[i];
r += lbmpalette[pix*3];
g += lbmpalette[pix*3+1];
b += lbmpalette[pix*3+2];
vis++;
}
r /= vis;
g /= vis;
b /= vis;
// error diffusion
r += d_red;
g += d_green;
b += d_blue;
//
// find the best color
//
bestcolor = FindColor (r, g, b);
// error diffusion
pal = colormap_palette + bestcolor*3;
d_red = r - (int)pal[0];
d_green = g - (int)pal[1];
d_blue = b - (int)pal[2];
return bestcolor;
}
typedef enum
{
pt_contents,
pt_flags,
pt_animvalue,
pt_flagvalue
} parmtype_t;
typedef struct
{
char *name;
int flags;
parmtype_t type;
} mipparm_t;
mipparm_t mipparms[] =
{
// utility content attributes
{"water", CONTENTS_WATER, pt_contents},
{"slime", CONTENTS_SLIME, pt_contents}, // mildly damaging
{"lava", CONTENTS_LAVA, pt_contents}, // very damaging
{"window", CONTENTS_WINDOW, pt_contents}, // solid, but doesn't eat internal textures
{"mist", CONTENTS_MIST, pt_contents}, // non-solid window
{"origin", CONTENTS_ORIGIN, pt_contents}, // center of rotating brushes
{"playerclip", CONTENTS_PLAYERCLIP, pt_contents},
{"monsterclip", CONTENTS_MONSTERCLIP, pt_contents},
// utility surface attributes
{"hint", SURF_HINT, pt_flags},
{"skip", SURF_SKIP, pt_flags},
{"light", SURF_LIGHT, pt_flagvalue}, // value is the light quantity
// texture chaining
{"anim", 0, pt_animvalue}, // value is the next animation
// server attributes
{"slick", SURF_SLICK, pt_flags},
// drawing attributes
{"sky", SURF_SKY, pt_flags},
{"warping", SURF_WARP, pt_flags}, // only valid with 64x64 textures
{"trans33", SURF_TRANS33, pt_flags}, // translucent should allso set fullbright
{"trans66", SURF_TRANS66, pt_flags},
{"flowing", SURF_FLOWING, pt_flags}, // flow direction towards angle 0
{"nodraw", SURF_NODRAW, pt_flags}, // for clip textures and trigger textures
{NULL, 0, pt_contents}
};
/*
==============
Cmd_Mip
$mip filename x y width height <OPTIONS>
must be multiples of sixteen
SURF_WINDOW
==============
*/
void Cmd_Mip (void)
{
int x,y,xl,yl,xh,yh,w,h;
byte *screen_p, *source;
int linedelta;
miptex_t *qtex;
int miplevel, mipstep;
int xx, yy, pix;
int count;
int flags, value, contents;
mipparm_t *mp;
char lumpname[64];
byte *lump_p;
char filename[1024];
char animname[64];
GetToken (false);
strcpy (lumpname, token);
GetToken (false);
xl = atoi (token);
GetToken (false);
yl = atoi (token);
GetToken (false);
w = atoi (token);
GetToken (false);
h = atoi (token);
if ( (w & 15) || (h & 15) )
Error ("line %i: miptex sizes must be multiples of 16", scriptline);
flags = 0;
contents = 0;
value = 0;
animname[0] = 0;
// get optional flags and values
while (TokenAvailable ())
{
GetToken (false);
for (mp=mipparms ; mp->name ; mp++)
{
if (!strcmp(mp->name, token))
{
switch (mp->type)
{
case pt_animvalue:
GetToken (false); // specify the next animation frame
strcpy (animname, token);
break;
case pt_flags:
flags |= mp->flags;
break;
case pt_contents:
contents |= mp->flags;
break;
case pt_flagvalue:
flags |= mp->flags;
GetToken (false); // specify the light value
value = atoi(token);
break;
}
break;
}
}
if (!mp->name)
Error ("line %i: unknown parm %s", scriptline, token);
}
sprintf (filename, "%stextures/%s/%s.wal", gamedir, mip_prefix, lumpname);
if (g_release)
return; // textures are only released by $maps
xh = xl+w;
yh = yl+h;
qtex = malloc (sizeof(miptex_t) + w*h*2);
memset (qtex, 0, sizeof(miptex_t));
qtex->width = LittleLong(w);
qtex->height = LittleLong(h);
qtex->flags = LittleLong(flags);
qtex->contents = LittleLong(contents);
qtex->value = LittleLong(value);
sprintf (qtex->name, "%s/%s", mip_prefix, lumpname);
if (animname[0])
sprintf (qtex->animname, "%s/%s", mip_prefix, animname);
lump_p = (byte *)(&qtex->value+1);
screen_p = byteimage + yl*byteimagewidth + xl;
linedelta = byteimagewidth - w;
source = lump_p;
qtex->offsets[0] = LittleLong(lump_p - (byte *)qtex);
for (y=yl ; y<yh ; y++)
{
for (x=xl ; x<xh ; x++)
{
pix = *screen_p++;
if (pix == 255)
pix = 1; // should never happen
*lump_p++ = pix;
}
screen_p += linedelta;
}
//
// subsample for greater mip levels
//
d_red = d_green = d_blue = 0; // no distortion yet
for (miplevel = 1 ; miplevel<4 ; miplevel++)
{
qtex->offsets[miplevel] = LittleLong(lump_p - (byte *)qtex);
mipstep = 1<<miplevel;
for (y=0 ; y<h ; y+=mipstep)
{
for (x = 0 ; x<w ; x+= mipstep)
{
count = 0;
for (yy=0 ; yy<mipstep ; yy++)
for (xx=0 ; xx<mipstep ; xx++)
{
pixdata[count] = source[ (y+yy)*w + x + xx ];
count++;
}
*lump_p++ = AveragePixels (count);
}
}
}
//
// dword align the size
//
while ((int)lump_p&3)
*lump_p++ = 0;
//
// write it out
//
printf ("writing %s\n", filename);
SaveFile (filename, (byte *)qtex, lump_p - (byte *)qtex);
free (qtex);
}
/*
===============
Cmd_Mippal
===============
*/
void Cmd_Mippal (void)
{
colormap_issued = true;
if (g_release)
return;
memcpy (colormap_palette, lbmpalette, 768);
BuildPalmap();
}
/*
===============
Cmd_Mipdir
===============
*/
void Cmd_Mipdir (void)
{
char filename[1024];
GetToken (false);
strcpy (mip_prefix, token);
// create the directory if needed
sprintf (filename, "%stextures", gamedir, mip_prefix);
Q_mkdir (filename);
sprintf (filename, "%stextures/%s", gamedir, mip_prefix);
Q_mkdir (filename);
}
/*
=============================================================================
ENVIRONMENT MAP GRABBING
Creates six pcx files from tga files without any palette edge seams
also copies the tga files for GL rendering.
=============================================================================
*/
// 3dstudio environment map suffixes
char *suf[6] = {"rt", "ft", "lf", "bk", "up", "dn"};
/*
=================
Cmd_Environment
=================
*/
void Cmd_Environment (void)
{
char name[1024];
int i, x, y;
byte image[256*256];
byte *tga;
GetToken (false);
if (g_release)
{
for (i=0 ; i<6 ; i++)
{
sprintf (name, "env/%s%s.pcx", token, suf[i]);
ReleaseFile (name);
sprintf (name, "env/%s%s.tga", token, suf[i]);
ReleaseFile (name);
}
return;
}
// get the palette
BuildPalmap ();
sprintf (name, "%senv/", gamedir);
CreatePath (name);
// convert the images
for (i=0 ; i<6 ; i++)
{
sprintf (name, "%senv/%s%s.tga", gamedir, token, suf[i]);
printf ("loading %s...\n", name);
LoadTGA (name, &tga, NULL, NULL);
for (y=0 ; y<256 ; y++)
{
for (x=0 ; x<256 ; x++)
{
image[y*256+x] = FindColor (tga[(y*256+x)*4+0],tga[(y*256+x)*4+1],tga[(y*256+x)*4+2]);
}
}
free (tga);
sprintf (name, "%senv/%s%s.pcx", gamedir, token, suf[i]);
if (FileTime (name) != -1)
printf ("%s already exists, not overwriting.\n", name);
else
WritePCXfile (name, image, 256, 256, colormap_palette);
}
}
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