mirror of
https://github.com/id-Software/GtkRadiant.git
synced 2026-03-20 08:59:32 +01:00
The GtkRadiant sources as originally released under the GPL license.
This commit is contained in:
Travis Bradshaw
486
tools/quake3/q3data/images.c
Normal file
486
tools/quake3/q3data/images.c
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@@ -0,0 +1,486 @@
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/*
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Copyright (C) 1999-2006 Id Software, Inc. and contributors.
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For a list of contributors, see the accompanying CONTRIBUTORS file.
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This file is part of GtkRadiant.
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GtkRadiant is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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GtkRadiant 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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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with GtkRadiant; if not, write to the Free Software
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Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include "q3data.h"
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byte *byteimage, *lbmpalette;
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int byteimagewidth, byteimageheight;
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char mip_prefix[1024]; // directory to dump the textures in
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qboolean colormap_issued;
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byte colormap_palette[768];
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/*
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==============
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Cmd_Grab
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$grab filename x y width height
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==============
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*/
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void Cmd_Grab (void)
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{
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int xl,yl,w,h,y;
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byte *cropped;
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char savename[1024];
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char dest[1024];
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GetToken (qfalse);
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if (token[0] == '/' || token[0] == '\\')
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sprintf (savename, "%s%s.pcx", writedir, token+1);
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else
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sprintf (savename, "%spics/%s.pcx", writedir, token);
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if (g_release)
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{
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if (token[0] == '/' || token[0] == '\\')
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sprintf (dest, "%s.pcx", token+1);
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else
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sprintf (dest, "pics/%s.pcx", token);
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ReleaseFile (dest);
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return;
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}
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GetToken (qfalse);
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xl = atoi (token);
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GetToken (qfalse);
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yl = atoi (token);
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GetToken (qfalse);
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w = atoi (token);
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GetToken (qfalse);
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h = atoi (token);
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if (xl<0 || yl<0 || w<0 || h<0 || xl+w>byteimagewidth || yl+h>byteimageheight)
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Error ("GrabPic: Bad size: %i, %i, %i, %i",xl,yl,w,h);
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// crop it to the proper size
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cropped = malloc (w*h);
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for (y=0 ; y<h ; y++)
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{
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memcpy (cropped+y*w, byteimage+(y+yl)*byteimagewidth+xl, w);
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}
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// save off the new image
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printf ("saving %s\n", savename);
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CreatePath (savename);
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WritePCXfile (savename, cropped, w, h, lbmpalette);
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free (cropped);
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}
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/*
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==============
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Cmd_Raw
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$grab filename x y width height
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==============
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*/
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void Cmd_Raw (void)
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{
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int xl,yl,w,h,y;
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byte *cropped;
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char savename[1024];
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char dest[1024];
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GetToken (qfalse);
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sprintf (savename, "%s%s.lmp", writedir, token);
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if (g_release)
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{
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sprintf (dest, "%s.lmp", token);
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ReleaseFile (dest);
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return;
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}
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GetToken (qfalse);
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xl = atoi (token);
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GetToken (qfalse);
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yl = atoi (token);
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GetToken (qfalse);
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w = atoi (token);
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GetToken (qfalse);
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h = atoi (token);
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if (xl<0 || yl<0 || w<0 || h<0 || xl+w>byteimagewidth || yl+h>byteimageheight)
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Error ("GrabPic: Bad size: %i, %i, %i, %i",xl,yl,w,h);
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// crop it to the proper size
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cropped = malloc (w*h);
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for (y=0 ; y<h ; y++)
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{
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memcpy (cropped+y*w, byteimage+(y+yl)*byteimagewidth+xl, w);
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}
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// save off the new image
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printf ("saving %s\n", savename);
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CreatePath (savename);
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SaveFile (savename, cropped, w*h);
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free (cropped);
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}
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/*
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=============================================================================
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COLORMAP GRABBING
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=============================================================================
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*/
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/*
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===============
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BestColor
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===============
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*/
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byte BestColor (int r, int g, int b, int start, int stop)
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{
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int i;
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int dr, dg, db;
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int bestdistortion, distortion;
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int bestcolor;
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byte *pal;
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//
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// let any color go to 0 as a last resort
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//
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bestdistortion = 256*256*4;
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bestcolor = 0;
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pal = colormap_palette + start*3;
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for (i=start ; i<= stop ; i++)
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{
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dr = r - (int)pal[0];
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dg = g - (int)pal[1];
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db = b - (int)pal[2];
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pal += 3;
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distortion = dr*dr + dg*dg + db*db;
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if (distortion < bestdistortion)
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{
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if (!distortion)
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return i; // perfect match
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bestdistortion = distortion;
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bestcolor = i;
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}
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}
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return bestcolor;
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}
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/*
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==============
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Cmd_Colormap
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$colormap filename
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the brightes colormap is first in the table (FIXME: reverse this now?)
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64 rows of 256 : lightmaps
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256 rows of 256 : translucency table
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==============
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*/
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void Cmd_Colormap (void)
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{
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int levels, brights;
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int l, c;
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float frac, red, green, blue;
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float range;
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byte *cropped, *lump_p;
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char savename[1024];
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char dest[1024];
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colormap_issued = qtrue;
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if (!g_release)
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memcpy (colormap_palette, lbmpalette, 768);
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if (!TokenAvailable ())
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{ // just setting colormap_issued
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return;
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}
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GetToken (qfalse);
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sprintf (savename, "%spics/%s.pcx", writedir, token);
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if (g_release)
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{
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sprintf (dest, "pics/%s.pcx", token);
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ReleaseFile (dest);
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return;
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}
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range = 2;
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levels = 64;
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brights = 1; // ignore 255 (transparent)
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cropped = malloc((levels+256)*256);
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lump_p = cropped;
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// shaded levels
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for (l=0;l<levels;l++)
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{
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frac = range - range*(float)l/(levels-1);
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for (c=0 ; c<256-brights ; c++)
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{
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red = lbmpalette[c*3];
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green = lbmpalette[c*3+1];
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blue = lbmpalette[c*3+2];
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red = (int)(red*frac+0.5);
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green = (int)(green*frac+0.5);
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blue = (int)(blue*frac+0.5);
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//
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// note: 254 instead of 255 because 255 is the transparent color, and we
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// don't want anything remapping to that
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// don't use color 0, because NT can't remap that (or 255)
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//
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*lump_p++ = BestColor(red,green,blue, 1, 254);
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}
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// fullbrights allways stay the same
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for ( ; c<256 ; c++)
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*lump_p++ = c;
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}
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// 66% transparancy table
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for (l=0;l<255;l++)
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{
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for (c=0 ; c<255 ; c++)
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{
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red = lbmpalette[c*3]*0.33 + lbmpalette[l*3]*0.66;
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green = lbmpalette[c*3+1]*0.33 + lbmpalette[l*3+1]*0.66;
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blue = lbmpalette[c*3+2]*0.33 + lbmpalette[l*3+2]*0.66;
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*lump_p++ = BestColor(red,green,blue, 1, 254);
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}
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*lump_p++ = 255;
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}
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for (c=0 ; c<256 ; c++)
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*lump_p++ = 255;
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// save off the new image
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printf ("saving %s\n", savename);
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CreatePath (savename);
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WritePCXfile (savename, cropped, 256, levels+256, lbmpalette);
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free (cropped);
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}
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/*
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=============================================================================
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MIPTEX GRABBING
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=============================================================================
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*/
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byte pixdata[256];
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int d_red, d_green, d_blue;
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byte palmap[32][32][32];
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qboolean palmap_built;
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/*
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=============
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FindColor
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=============
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*/
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int FindColor (int r, int g, int b)
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{
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int bestcolor;
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if (r > 255)
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r = 255;
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if (r < 0)
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r = 0;
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if (g > 255)
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g = 255;
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if (g < 0)
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g = 0;
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if (b > 255)
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b = 255;
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if (b < 0)
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b = 0;
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#ifndef TABLECOLORS
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bestcolor = BestColor (r, g, b, 0, 254);
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#else
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bestcolor = palmap[r>>3][g>>3][b>>3];
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#endif
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return bestcolor;
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}
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void BuildPalmap (void)
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{
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#ifdef TABLECOLORS
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int r, g, b;
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int bestcolor;
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if (palmap_built)
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return;
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palmap_built = qtrue;
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for (r=4 ; r<256 ; r+=8)
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{
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for (g=4 ; g<256 ; g+=8)
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{
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for (b=4 ; b<256 ; b+=8)
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{
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bestcolor = BestColor (r, g, b, 1, 254);
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palmap[r>>3][g>>3][b>>3] = bestcolor;
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}
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}
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}
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#endif
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if (!colormap_issued)
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Error ("You must issue a $colormap command first");
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}
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/*
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=============
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AveragePixels
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=============
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*/
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byte AveragePixels (int count)
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{
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int r,g,b;
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int i;
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int vis;
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int pix;
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int bestcolor;
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byte *pal;
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int fullbright;
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vis = 0;
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r = g = b = 0;
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fullbright = 0;
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for (i=0 ; i<count ; i++)
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{
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pix = pixdata[i];
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r += lbmpalette[pix*3];
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g += lbmpalette[pix*3+1];
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b += lbmpalette[pix*3+2];
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vis++;
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}
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r /= vis;
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g /= vis;
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b /= vis;
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// error diffusion
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r += d_red;
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g += d_green;
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b += d_blue;
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//
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// find the best color
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//
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bestcolor = FindColor (r, g, b);
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// error diffusion
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pal = colormap_palette + bestcolor*3;
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d_red = r - (int)pal[0];
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d_green = g - (int)pal[1];
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d_blue = b - (int)pal[2];
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return bestcolor;
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}
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/*
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=============================================================================
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ENVIRONMENT MAP GRABBING
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Creates six pcx files from tga files without any palette edge seams
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also copies the tga files for GL rendering.
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=============================================================================
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*/
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// 3dstudio environment map suffixes
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char *suf[6] = {"rt", "ft", "lf", "bk", "up", "dn"};
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/*
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=================
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Cmd_Environment
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=================
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*/
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void Cmd_Environment (void)
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{
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char name[1024];
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int i, x, y;
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byte image[256*256];
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byte *tga;
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GetToken (qfalse);
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if (g_release)
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{
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for (i=0 ; i<6 ; i++)
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{
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sprintf (name, "env/%s%s.pcx", token, suf[i]);
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ReleaseFile (name);
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sprintf (name, "env/%s%s.tga", token, suf[i]);
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ReleaseFile (name);
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}
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return;
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}
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// get the palette
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BuildPalmap ();
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sprintf (name, "%senv/", gamedir);
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CreatePath (name);
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// convert the images
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for (i=0 ; i<6 ; i++)
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{
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sprintf (name, "%senv/%s%s.tga", gamedir, token, suf[i]);
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printf ("loading %s...\n", name);
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LoadTGA (name, &tga, NULL, NULL);
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for (y=0 ; y<256 ; y++)
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{
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for (x=0 ; x<256 ; x++)
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{
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image[y*256+x] = FindColor (tga[(y*256+x)*4+0],tga[(y*256+x)*4+1],tga[(y*256+x)*4+2]);
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}
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}
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free (tga);
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sprintf (name, "%senv/%s%s.pcx", writedir, token, suf[i]);
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if (FileTime (name) != -1)
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printf ("%s already exists, not overwriting.\n", name);
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else
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WritePCXfile (name, image, 256, 256, colormap_palette);
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}
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}
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Reference in New Issue
Block a user