mirror of
https://git.code.sf.net/p/quake/quakeforge
synced 2024-11-27 14:42:07 +00:00
494 lines
10 KiB
C
494 lines
10 KiB
C
/* 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
|
|
|
|
See file, 'COPYING', for details.
|
|
*/
|
|
|
|
#ifdef HAVE_CONFIG_H
|
|
# include "config.h"
|
|
#endif
|
|
|
|
static __attribute__ ((used)) const char rcsid[] =
|
|
"$Id$";
|
|
|
|
#ifdef HAVE_STRING_H
|
|
# include <string.h>
|
|
#endif
|
|
#ifdef HAVE_STRINGS_H
|
|
# include <strings.h>
|
|
#endif
|
|
|
|
#include <errno.h>
|
|
|
|
#include "QF/dstring.h"
|
|
#include "QF/image.h"
|
|
#include "QF/qendian.h"
|
|
#include "QF/script.h"
|
|
#include "QF/sys.h"
|
|
#include "QF/wad.h"
|
|
|
|
#include "wad.h"
|
|
|
|
typedef struct {
|
|
int width, height;
|
|
int widthbits, heightbits;
|
|
unsigned char data[4];
|
|
} qtex_t;
|
|
|
|
#define SCRN(x,y) (*(image->data+(y)*image->width*4+x))
|
|
|
|
#if 0
|
|
/*
|
|
GrabRaw
|
|
|
|
filename RAW x y width height
|
|
*/
|
|
void
|
|
GrabRaw (script_t *script)
|
|
{
|
|
int x, y, xl, yl, xh, yh, w, h;
|
|
byte *screen_p;
|
|
int linedelta;
|
|
|
|
Script_GetToken (script, false);
|
|
xl = atoi (script->token->str);
|
|
Script_GetToken (script, false);
|
|
yl = atoi (script->token->str);
|
|
Script_GetToken (script, false);
|
|
w = atoi (script->token->str);
|
|
Script_GetToken (script, false);
|
|
h = atoi (script->token->str);
|
|
|
|
xh = xl + w;
|
|
yh = yl + h;
|
|
|
|
screen_p = byteimage + yl * byteimagewidth + xl;
|
|
linedelta = byteimagewidth - w;
|
|
|
|
for (y = yl; y < yh; y++) {
|
|
for (x = xl; x < xh; x++) {
|
|
*lump_p++ = *screen_p;
|
|
*screen_p++ = 0;
|
|
}
|
|
screen_p += linedelta;
|
|
}
|
|
}
|
|
#endif
|
|
|
|
|
|
/*
|
|
GrabPalette
|
|
|
|
filename PALETTE [startcolor endcolor]
|
|
*/
|
|
void
|
|
GrabPalette (script_t *script)
|
|
{
|
|
int start, end, length;
|
|
|
|
if (Script_TokenAvailable (script, false)) {
|
|
Script_GetToken (script, false);
|
|
start = atoi (script->token->str);
|
|
Script_GetToken (script, false);
|
|
end = atoi (script->token->str);
|
|
} else {
|
|
start = 0;
|
|
end = 255;
|
|
}
|
|
|
|
length = 3 * (end - start + 1);
|
|
lumpbuffer = lump_p = malloc (length);
|
|
memcpy (lump_p, default_palette + start * 3, length);
|
|
lump_p += length;
|
|
}
|
|
|
|
#if 0
|
|
/*
|
|
GrabPic
|
|
|
|
filename qpic x y width height
|
|
*/
|
|
void
|
|
GrabPic (script_t *script)
|
|
{
|
|
int x, y, xl, yl, xh, yh;
|
|
int width;
|
|
byte transcolor;
|
|
qpic_t *header;
|
|
|
|
Script_GetToken (script, false);
|
|
xl = atoi (script->token->str);
|
|
Script_GetToken (script, false);
|
|
yl = atoi (script->token->str);
|
|
Script_GetToken (script, false);
|
|
xh = xl - 1 + atoi (script->token->str);
|
|
Script_GetToken (script, false);
|
|
yh = yl - 1 + atoi (script->token->str);
|
|
|
|
if (xh < xl || yh < yl || xl < 0 || yl < 0 || xh > 319 || yh > 199)
|
|
Sys_Error ("GrabPic: Bad size: %i, %i, %i, %i", xl, yl, xh, yh);
|
|
|
|
transcolor = 255;
|
|
|
|
|
|
// fill in header
|
|
header = (qpic_t *) lump_p;
|
|
width = xh - xl + 1;
|
|
header->width = LittleLong (width);
|
|
header->height = LittleLong (yh - yl + 1);
|
|
|
|
// start grabbing posts
|
|
lump_p = (byte *) header->data;
|
|
|
|
for (y = yl; y <= yh; y++)
|
|
for (x = xl; x <= xh; x++)
|
|
*lump_p++ = SCRN (x, y);
|
|
}
|
|
#endif
|
|
|
|
/* COLORMAP GRABBING */
|
|
|
|
static 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 = ((int) r * r + (int) g * g + (int) b * b) * 2;
|
|
bestcolor = 0;
|
|
|
|
pal = default_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;
|
|
}
|
|
|
|
#if 0
|
|
|
|
/*
|
|
GrabColormap
|
|
|
|
filename COLORMAP levels fullbrights
|
|
|
|
the first map is an identiy 0-255
|
|
the final map is all black except for the fullbrights
|
|
the remaining maps are evenly spread
|
|
fullbright colors start at the top of the palette.
|
|
*/
|
|
void
|
|
GrabColormap (script_t *script)
|
|
{
|
|
int levels, brights;
|
|
int l, c;
|
|
float frac, red, green, blue;
|
|
|
|
Script_GetToken (script, false);
|
|
levels = atoi (script->token->str);
|
|
Script_GetToken (script, false);
|
|
brights = atoi (script->token->str);
|
|
|
|
// identity lump
|
|
for (l = 0; l < 256; l++)
|
|
*lump_p++ = l;
|
|
|
|
// shaded levels
|
|
for (l = 1; l < levels; l++) {
|
|
frac = 1.0 - (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
|
|
*lump_p++ = BestColor (red, green, blue, 0, 254);
|
|
}
|
|
for (; c < 256; c++)
|
|
*lump_p++ = c;
|
|
}
|
|
|
|
*lump_p++ = brights;
|
|
}
|
|
|
|
/*
|
|
GrabColormap2
|
|
|
|
experimental -- not used by quake
|
|
|
|
filename COLORMAP2 range levels fullbrights
|
|
|
|
fullbright colors start at the top of the palette.
|
|
Range can be greater than 1 to allow overbright color tables.
|
|
|
|
the first map is all 0
|
|
the last (levels-1) map is at range
|
|
*/
|
|
void
|
|
GrabColormap2 (script_t *script)
|
|
{
|
|
int levels, brights;
|
|
int l, c;
|
|
float frac, red, green, blue;
|
|
float range;
|
|
|
|
Script_GetToken (script, false);
|
|
range = atof (script->token->str);
|
|
Script_GetToken (script, false);
|
|
levels = atoi (script->token->str);
|
|
Script_GetToken (script, false);
|
|
brights = atoi (script->token->str);
|
|
|
|
// 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
|
|
*lump_p++ = BestColor (red, green, blue, 0, 254);
|
|
}
|
|
|
|
// fullbrights allways stay the same
|
|
for (; c < 256; c++)
|
|
*lump_p++ = c;
|
|
}
|
|
|
|
*lump_p++ = brights;
|
|
}
|
|
#endif
|
|
|
|
/* MIPTEX GRABBING */
|
|
|
|
typedef struct {
|
|
char name[16];
|
|
unsigned width, height;
|
|
unsigned offsets[4]; // four mip maps stored
|
|
} miptex_t;
|
|
#if 0
|
|
byte pixdata[256];
|
|
|
|
int d_red, d_green, d_blue;
|
|
|
|
static byte
|
|
AveragePixels (int count)
|
|
{
|
|
int r, g, b;
|
|
int i;
|
|
int vis;
|
|
int pix;
|
|
int dr, dg, db;
|
|
int bestdistortion, distortion;
|
|
int bestcolor;
|
|
byte *pal;
|
|
int fullbright;
|
|
int e;
|
|
|
|
vis = 0;
|
|
r = g = b = 0;
|
|
fullbright = 0;
|
|
for (i = 0; i < count; i++) {
|
|
pix = pixdata[i];
|
|
if (pix == 255)
|
|
fullbright = 2;
|
|
else if (pix >= 240) {
|
|
return pix;
|
|
if (!fullbright) {
|
|
fullbright = true;
|
|
r = 0;
|
|
g = 0;
|
|
b = 0;
|
|
}
|
|
} else {
|
|
if (fullbright)
|
|
continue;
|
|
}
|
|
|
|
r += default_palette[pix * 3];
|
|
g += default_palette[pix * 3 + 1];
|
|
b += default_palette[pix * 3 + 2];
|
|
vis++;
|
|
}
|
|
|
|
if (fullbright == 2)
|
|
return 255;
|
|
|
|
r /= vis;
|
|
g /= vis;
|
|
b /= vis;
|
|
|
|
if (!fullbright) {
|
|
r += d_red;
|
|
g += d_green;
|
|
b += d_blue;
|
|
}
|
|
// find the best color
|
|
bestdistortion = r * r + g * g + b * b;
|
|
bestcolor = 0;
|
|
if (fullbright) {
|
|
i = 240;
|
|
e = 255;
|
|
} else {
|
|
i = 0;
|
|
e = 240;
|
|
}
|
|
|
|
for (; i < e; i++) {
|
|
pix = i; // pixdata[i];
|
|
|
|
pal = default_palette + pix * 3;
|
|
|
|
dr = r - (int) pal[0];
|
|
dg = g - (int) pal[1];
|
|
db = b - (int) pal[2];
|
|
|
|
distortion = dr * dr + dg * dg + db * db;
|
|
if (distortion < bestdistortion) {
|
|
if (!distortion) {
|
|
d_red = d_green = d_blue = 0; // no distortion yet
|
|
return pix; // perfect match
|
|
}
|
|
|
|
bestdistortion = distortion;
|
|
bestcolor = pix;
|
|
}
|
|
}
|
|
|
|
if (!fullbright) { // error diffusion
|
|
pal = default_palette + bestcolor * 3;
|
|
d_red = r - (int) pal[0];
|
|
d_green = g - (int) pal[1];
|
|
d_blue = b - (int) pal[2];
|
|
}
|
|
|
|
return bestcolor;
|
|
}
|
|
#endif
|
|
|
|
|
|
/*
|
|
GrabMip
|
|
|
|
filename MIP x y width height
|
|
must be multiples of sixteen
|
|
*/
|
|
void
|
|
GrabMip (script_t *script)
|
|
{
|
|
int x, y, xl, yl, xh, yh, w, h;
|
|
byte *screen_p, *source;
|
|
int linedelta;
|
|
miptex_t *qtex;
|
|
int miplevel, mipstep;
|
|
int xx, yy;
|
|
int count;
|
|
int r, g, b;
|
|
|
|
Script_GetToken (script, false);
|
|
xl = atoi (script->token->str);
|
|
Script_GetToken (script, false);
|
|
yl = atoi (script->token->str);
|
|
Script_GetToken (script, false);
|
|
w = atoi (script->token->str);
|
|
Script_GetToken (script, false);
|
|
h = atoi (script->token->str);
|
|
|
|
if ((w & 15) || (h & 15))
|
|
Sys_Error ("line %i: miptex sizes must be multiples of 16",
|
|
script->line);
|
|
|
|
xh = xl + w;
|
|
yh = yl + h;
|
|
|
|
qtex = malloc (sizeof (miptex_t) + w * h / 64 * 85);
|
|
qtex->width = LittleLong (w);
|
|
qtex->height = LittleLong (h);
|
|
strcpy (qtex->name, lumpname->str);
|
|
|
|
lumpbuffer = (byte *) qtex;
|
|
lump_p = (byte *) &qtex->offsets[4];
|
|
|
|
screen_p = image->data + yl * image->width * 4 + xl;
|
|
linedelta = (image->width - w) * 4;
|
|
|
|
source = image->data;
|
|
qtex->offsets[0] = LittleLong (lump_p - (byte *) qtex);
|
|
|
|
for (y = yl; y < yh; y++) {
|
|
for (x = xl; x < xh; x++) {
|
|
r = *screen_p++;
|
|
g = *screen_p++;
|
|
b = *screen_p++;
|
|
*screen_p++; // skip over alpha
|
|
*lump_p++ = BestColor (r, g, b, 0, 239);
|
|
}
|
|
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;
|
|
r = g = b = 0;
|
|
for (yy = 0; yy < mipstep; yy++)
|
|
for (xx = 0; xx < mipstep; xx++) {
|
|
r += source [((y + yy) * w + x + xx) * 4 + 0];
|
|
g += source [((y + yy) * w + x + xx) * 4 + 1];
|
|
b += source [((y + yy) * w + x + xx) * 4 + 2];
|
|
count++;
|
|
}
|
|
r /= count;
|
|
g /= count;
|
|
b /= count;
|
|
*lump_p++ = BestColor (r, g, b, 0, 239);
|
|
}
|
|
}
|
|
}
|
|
}
|