mirror of
https://github.com/UberGames/GtkRadiant.git
synced 2024-12-01 08:01:24 +00:00
164 lines
4 KiB
C
164 lines
4 KiB
C
/*
|
|
Copyright (C) 1999-2007 id Software, Inc. and contributors.
|
|
For a list of contributors, see the accompanying CONTRIBUTORS file.
|
|
|
|
This file is part of GtkRadiant.
|
|
|
|
GtkRadiant 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.
|
|
|
|
GtkRadiant 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 GtkRadiant; if not, write to the Free Software
|
|
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
|
|
*/
|
|
|
|
#include "qdata.h"
|
|
|
|
/*
|
|
=============================================================================
|
|
|
|
ALPHALIGHT GENERATION
|
|
|
|
Find alphamap values that best match modulated lightmap values
|
|
|
|
This isn't used anymore, but I'm keeping it around...
|
|
=============================================================================
|
|
*/
|
|
|
|
unsigned short alphamap[32 * 32 * 32];
|
|
unsigned char inverse16to8table[65536];
|
|
|
|
/*
|
|
static int FindNearestColor( unsigned int color )
|
|
{
|
|
int i;
|
|
int closest_so_far = 0;
|
|
float closest_distance_so_far = 100000000;
|
|
float d;
|
|
float r[2], g[2], b[2];
|
|
|
|
// incoming color is assumed to be in 0xRRGGBB format
|
|
r[0] = ( color & 31 ) << 3;
|
|
g[0] = ( ( color >> 5 ) & 63 ) << 2;
|
|
b[0] = ( ( color >> 11 ) & 31 ) << 3;
|
|
|
|
for ( i = 0; i < 256; i++ )
|
|
{
|
|
r[1] = ( d_8to24table[i] >> 0 ) & 0xFF;
|
|
g[1] = ( d_8to24table[i] >> 8 ) & 0xFF;
|
|
b[1] = ( d_8to24table[i] >> 16 ) & 0xFF;
|
|
|
|
d = ( r[1] - r[0] ) * ( r[1] - r[0] ) +
|
|
( g[1] - g[0] ) * ( g[1] - g[0] ) +
|
|
( b[1] - b[0] ) * ( b[1] - b[0] );
|
|
|
|
if ( d < closest_distance_so_far )
|
|
{
|
|
closest_distance_so_far = d;
|
|
closest_so_far = i;
|
|
}
|
|
}
|
|
|
|
return closest_so_far;
|
|
}
|
|
*/
|
|
|
|
extern byte BestColor( int, int, int, int, int );
|
|
|
|
void Inverse16_BuildTable( void ){
|
|
int i;
|
|
|
|
/*
|
|
** create the 16-to-8 table
|
|
*/
|
|
for ( i = 0; i < 65536; i++ )
|
|
{
|
|
int r = i & 31;
|
|
int g = ( i >> 5 ) & 63;
|
|
int b = ( i >> 11 ) & 31;
|
|
|
|
r <<= 3;
|
|
g <<= 2;
|
|
b <<= 3;
|
|
|
|
inverse16to8table[i] = BestColor( r, g, b, 0, 255 );
|
|
}
|
|
}
|
|
|
|
void Alphalight_Thread( int i ){
|
|
int j;
|
|
float r, g, b;
|
|
float mr, mg, mb, ma;
|
|
float distortion, bestdistortion;
|
|
float v;
|
|
|
|
r = ( i >> 10 ) * ( 1.0 / 16 );
|
|
g = ( ( i >> 5 ) & 31 ) * ( 1.0 / 16 );
|
|
b = ( i & 31 ) * ( 1.0 / 16 );
|
|
|
|
bestdistortion = 999999;
|
|
for ( j = 0 ; j < 16 * 16 * 16 * 16 ; j++ )
|
|
{
|
|
mr = ( j >> 12 ) * ( 1.0 / 16 );
|
|
mg = ( ( j >> 8 ) & 15 ) * ( 1.0 / 16 );
|
|
mb = ( ( j >> 4 ) & 15 ) * ( 1.0 / 16 );
|
|
ma = ( j & 15 ) * ( 1.0 / 16 );
|
|
|
|
v = r * 0.5 - ( mr * ma + 0.5 * ( 1.0 - ma ) );
|
|
distortion = v * v;
|
|
v = g * 0.5 - ( mg * ma + 0.5 * ( 1.0 - ma ) );
|
|
distortion += v * v;
|
|
v = b * 0.5 - ( mb * ma + 0.5 * ( 1.0 - ma ) );
|
|
distortion += v * v;
|
|
|
|
distortion *= 1.0 + ma * 4;
|
|
|
|
if ( distortion < bestdistortion ) {
|
|
bestdistortion = distortion;
|
|
alphamap[i] = j;
|
|
}
|
|
}
|
|
}
|
|
|
|
void Cmd_Alphalight( void ){
|
|
char savename[1024];
|
|
|
|
GetToken( false );
|
|
|
|
if ( g_release ) {
|
|
ReleaseFile( token );
|
|
return;
|
|
}
|
|
|
|
sprintf( savename, "%s%s", gamedir, token );
|
|
printf( "Building alphalight table...\n" );
|
|
|
|
RunThreadsOnIndividual( 32 * 32 * 32, true, Alphalight_Thread );
|
|
|
|
SaveFile( savename, (byte *)alphamap, sizeof( alphamap ) );
|
|
}
|
|
|
|
|
|
void Cmd_Inverse16Table( void ){
|
|
char savename[1024];
|
|
|
|
if ( g_release ) {
|
|
sprintf( savename, "pics/16to8.dat" );
|
|
ReleaseFile( savename );
|
|
return;
|
|
}
|
|
|
|
sprintf( savename, "%spics/16to8.dat", gamedir );
|
|
printf( "Building inverse 16-to-8 table...\n" );
|
|
|
|
Inverse16_BuildTable();
|
|
|
|
SaveFile( savename, (byte *) inverse16to8table, sizeof( inverse16to8table ) );
|
|
}
|