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/*
This file is part of Advanced Strategic Command; http://www.asc-hq.de
Copyright (C) 1994-1999 Martin Bickel and Marc Schellenberger
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; see the file COPYING. If not, write to the
Free Software Foundation, Inc., 59 Temple Place, Suite 330,
Boston, MA 02111-1307 USA
*/
#include <stdio.h>
#include "..\basegfx.h"
#include "..\loadpcx.h"
#include "..\typen.h"
#include "..\basestrm.h"
#include "..\sgstream.h"
#include "..\misc.h"
typedef char tmixbuf[256][256];
tmixbuf mixbuf;
char bi2asc[256];
#ifdef WIN32
#undef main
#endif
int abs( int a )
{
if ( a > 0 )
return a;
else
return -a;
}
#define sqr(a) (a)*(a)
#define cub(a) abs ((a)*(a)*(a))
int calcdiff ( int r1, int r2, int g1, int g2, int b1, int b2 )
{
//return cub( r1 - r2 ) + cub( g1 - g2 ) + cub( b1 - b2 );
return sqr( r1 - r2 ) + sqr( g1 - g2 ) + sqr( b1 - b2 );
//return abs( r1 - r2 ) + abs( g1 - g2 ) + abs( b1 - b2 );
}
int main(int argc, char *argv[] )
{
if ( argc < 3) {
printf("Syntax: makepal <ascpic.pcx> <bi2pic.pcx> \n");
return 1;
}
tvirtualdisplay vd ( 1200, 1200 );
loadpcxxy( argv[1], 1,0,0);
tn_file_buf_stream mainstream ("palette.pal", tnstream::writing);
memcpy ( pal, activepalette256, sizeof ( pal ));
mainstream.writedata( pal, sizeof ( pal ));
int i,j,k;
for (i=0;i<256 ;i++ ) {
printf("Generating color %d \n", i);
mixbuf[i][i] = i;
for (j=i+1;j<256 ;j++ ) {
int diff = 0xFFFFFFF;
int actdif;
char pix1;
int r = ((*activepalette256)[i][0] + (*activepalette256)[j][0] ) ;
int g = ((*activepalette256)[i][1] + (*activepalette256)[j][1] ) ;
int b = ((*activepalette256)[i][2] + (*activepalette256)[j][2] ) ;
for (k=0;k<256 ;k++ ) {
actdif = calcdiff( (*activepalette256)[k][0] * 2 , r ,
(*activepalette256)[k][1] * 2 , g ,
(*activepalette256)[k][2] * 2 , b );
if (actdif < diff) {
diff = actdif;
pix1 = k;
}
}
mixbuf[i][j] = pix1;
mixbuf[j][i] = pix1;
}
}
mainstream.writedata( mixbuf, sizeof ( mixbuf ));
const int shadings[8] = { 9, 8, 6, 4, 11, 12, 14, 17 };
for ( int sh = 0; sh < 8; sh++ ) {
tpixelxlattable xl;
for (i=0;i<256 ;i++ ) {
int diff2 = 0xFFFFFFF;
int actdif2;
int r2 = (*activepalette256)[i][0] * shadings[sh] / 10;
int g2 = (*activepalette256)[i][1] * shadings[sh] / 10;
int b2 = (*activepalette256)[i][2] * shadings[sh] / 10;
for (k=0;k<256 ;k++ ) {
actdif2 = calcdiff( (*activepalette256)[k][0] , r2 ,
(*activepalette256)[k][1] , g2 ,
(*activepalette256)[k][2] , b2 );
if (actdif2 < diff2) {
diff2 = actdif2;
xl[i] = k;
}
}
}
xl[255] = 255;
mainstream.writedata( xl, sizeof ( xl ));
}
for ( int r = 0; r < 64; r++ ) {
printf("Generating truecolor2pal table %d \n", r);
for ( int g = 0; g < 64; g++ )
for ( int b = 0; b < 64; b++ ) {
int sml = r + ( g << 6) + ( b << 12 );
int diff = 0xFFFFFFF;
int pix1;
for ( int k=0;k<256 ;k++ ) {
int actdif = calcdiff( pal[k][0] , r , pal[k][1] , g , pal[k][2] , b );
if (actdif < diff) {
diff = actdif;
pix1 = k;
}
}
truecolor2pal_table[sml] = pix1;
}
}
mainstream.writedata( truecolor2pal_table, sizeof ( truecolor2pal_table ));
loadpcxxy( argv[2], 1,0,0);
printf("Generating BattleIsle Translation table:\n");
for (i=0;i<256 ;i++ ) {
int diff2 = 0xFFFFFFF;
int actdif2;
int r2 = (*activepalette256)[i][0];
int g2 = (*activepalette256)[i][1];
int b2 = (*activepalette256)[i][2];
for (k=0;k<255 ;k++ ) {
actdif2 = calcdiff( pal[k][0] , r2 ,
pal[k][1] , g2 ,
pal[k][2] , b2 );
if (actdif2 < diff2) {
diff2 = actdif2;
bi2asc[i] = k;
}
}
printf(".");
fflush ( stdout );
} /* endfor */
bi2asc[0] = 255;
for ( k = 1; k < 8; k++ )
bi2asc[k] = 24-k;
mainstream.writedata( &bi2asc, 256 );
return 0;
}
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