283 lines
7.4 KiB
C
283 lines
7.4 KiB
C
/*
|
|
gl_skin.c
|
|
|
|
(description)
|
|
|
|
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:
|
|
|
|
Free Software Foundation, Inc.
|
|
59 Temple Place - Suite 330
|
|
Boston, MA 02111-1307, USA
|
|
|
|
*/
|
|
#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 "QF/cvar.h"
|
|
#include "QF/image.h"
|
|
#include "QF/render.h"
|
|
#include "QF/skin.h"
|
|
#include "QF/sys.h"
|
|
#include "QF/GL/defines.h"
|
|
#include "QF/GL/funcs.h"
|
|
#include "QF/GL/qf_textures.h"
|
|
|
|
#include "compat.h"
|
|
#include "r_cvar.h"
|
|
|
|
static byte translate[256];
|
|
static unsigned int translate32[256];
|
|
|
|
static int player_width = 296;
|
|
static int player_height = 194;
|
|
|
|
VISIBLE void
|
|
Skin_Set_Translate (int top, int bottom, void *_dest)
|
|
{
|
|
int i;
|
|
|
|
top = bound (0, top, 13) << 4;
|
|
bottom = bound (0, bottom, 13) << 4;
|
|
|
|
if (VID_Is8bit ()) { // 8bit texture upload
|
|
for (i = 0; i < 16; i++) {
|
|
// the artists made some backwards ranges. sigh.
|
|
if (top < 128)
|
|
translate[TOP_RANGE + i] = top + i;
|
|
else
|
|
translate[TOP_RANGE + i] = top + 15 - i;
|
|
|
|
if (bottom < 128)
|
|
translate[BOTTOM_RANGE + i] = bottom + i;
|
|
else
|
|
translate[BOTTOM_RANGE + i] = bottom + 15 - i;
|
|
}
|
|
} else {
|
|
if (top < 128)
|
|
memcpy (translate32 + TOP_RANGE, d_8to24table + top,
|
|
16 * sizeof (unsigned int));
|
|
else
|
|
for (i = 0; i < 16; i++)
|
|
translate32[TOP_RANGE + i] = d_8to24table[top + 15 - i];
|
|
|
|
if (bottom < 128)
|
|
memcpy (translate32 + BOTTOM_RANGE, d_8to24table + bottom,
|
|
16 * sizeof (unsigned int));
|
|
else
|
|
for (i = 0; i < 16; i++)
|
|
translate32[BOTTOM_RANGE + i] = d_8to24table[bottom + 15 - i];
|
|
}
|
|
}
|
|
|
|
static void
|
|
build_skin_8 (byte * original, int tinwidth, int tinheight,
|
|
unsigned int scaled_width, unsigned int scaled_height,
|
|
int inwidth, qboolean alpha)
|
|
{
|
|
// Improvements should be mirrored in GL_ResampleTexture in gl_textures.c
|
|
byte *inrow;
|
|
byte pixels[512 * 256], *out;
|
|
unsigned int i, j;
|
|
unsigned int frac, fracstep;
|
|
|
|
out = pixels;
|
|
memset (pixels, 0, sizeof (pixels));
|
|
fracstep = tinwidth * 0x10000 / scaled_width;
|
|
for (i = 0; i < scaled_height; i++, out += scaled_width) {
|
|
inrow = original + inwidth * (i * tinheight / scaled_height);
|
|
frac = fracstep >> 1;
|
|
for (j = 0; j < scaled_width; j++) {
|
|
out[j] = translate[inrow[frac >> 16]];
|
|
frac += fracstep;
|
|
}
|
|
}
|
|
|
|
GL_Upload8_EXT ((byte *) pixels, scaled_width, scaled_height, false,
|
|
alpha);
|
|
}
|
|
|
|
static void
|
|
build_skin_32 (byte * original, int tinwidth, int tinheight,
|
|
unsigned int scaled_width, unsigned int scaled_height,
|
|
int inwidth, qboolean alpha)
|
|
{
|
|
// Improvements should be mirrored in GL_ResampleTexture in gl_textures.c
|
|
byte *inrow;
|
|
unsigned int i, j;
|
|
int samples = alpha ? gl_alpha_format : gl_solid_format;
|
|
unsigned int frac, fracstep;
|
|
unsigned int pixels[512 * 256], *out;
|
|
|
|
out = pixels;
|
|
memset (pixels, 0, sizeof (pixels));
|
|
fracstep = tinwidth * 0x10000 / scaled_width;
|
|
for (i = 0; i < scaled_height; i++, out += scaled_width) {
|
|
inrow = original + inwidth * (i * tinheight / scaled_height);
|
|
frac = fracstep >> 1;
|
|
for (j = 0; j < scaled_width; j++) {
|
|
out[j] = translate32[inrow[frac >> 16]];
|
|
frac += fracstep;
|
|
}
|
|
}
|
|
|
|
qfglTexImage2D (GL_TEXTURE_2D, 0, samples, scaled_width, scaled_height, 0,
|
|
GL_RGBA, GL_UNSIGNED_BYTE, pixels);
|
|
|
|
qfglTexParameterf (GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
|
|
qfglTexParameterf (GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
|
|
if (Anisotropy)
|
|
qfglTexParameterf (GL_TEXTURE_2D, GL_TEXTURE_MAX_ANISOTROPY_EXT,
|
|
aniso);
|
|
}
|
|
|
|
static void
|
|
build_skin (int texnum, byte *ptexels, int width, int height,
|
|
int owidth, int oheight, qboolean alpha)
|
|
{
|
|
unsigned int scaled_width, scaled_height;
|
|
|
|
// because this happens during gameplay, do it fast
|
|
// instead of sending it through GL_Upload8()
|
|
qfglBindTexture (GL_TEXTURE_2D, texnum);
|
|
|
|
// FIXME deek: This 512x256 limit sucks!
|
|
scaled_width = min (gl_max_size->int_val, 512);
|
|
scaled_height = min (gl_max_size->int_val, 256);
|
|
|
|
// allow users to crunch sizes down even more if they want
|
|
scaled_width >>= gl_playermip->int_val;
|
|
scaled_height >>= gl_playermip->int_val;
|
|
|
|
if (VID_Is8bit ()) { // 8bit texture upload
|
|
build_skin_8 (ptexels, owidth, oheight, scaled_width, scaled_height,
|
|
width, alpha);
|
|
} else {
|
|
build_skin_32 (ptexels, owidth, oheight, scaled_width, scaled_height,
|
|
width, alpha);
|
|
}
|
|
}
|
|
|
|
VISIBLE void
|
|
Skin_Do_Translation (skin_t *player_skin, int slot, skin_t *skin)
|
|
{
|
|
byte *original;
|
|
int inwidth, inheight;
|
|
int texnum = skin->texture;
|
|
tex_t *skin_texels;
|
|
|
|
if ((skin_texels = (tex_t *) Skin_Cache (player_skin)) != NULL) {
|
|
// skin data width
|
|
inwidth = 320;
|
|
inheight = 200;
|
|
original = skin_texels->data;
|
|
} else {
|
|
original = player_8bit_texels;
|
|
inwidth = player_width;
|
|
inheight = player_height;
|
|
}
|
|
build_skin (texnum, original, inwidth, inheight,
|
|
player_width, player_height, false);
|
|
}
|
|
|
|
VISIBLE void
|
|
Skin_Do_Translation_Model (model_t *model, int skinnum, int slot, skin_t *skin)
|
|
{
|
|
byte *original;
|
|
int inwidth, inheight;
|
|
int texnum = skin->texture;
|
|
aliashdr_t *paliashdr;
|
|
maliasskindesc_t *pskindesc;
|
|
|
|
if (!model) // player doesn't have a model yet
|
|
return;
|
|
if (model->type != mod_alias) // translate skins only on alias models
|
|
return;
|
|
|
|
paliashdr = Cache_Get (&model->cache);
|
|
if (skinnum < 0
|
|
|| skinnum >= paliashdr->mdl.numskins) {
|
|
Sys_MaskPrintf (SYS_DEV, "(%d): Invalid player skin #%d\n", slot,
|
|
skinnum);
|
|
skinnum = 0;
|
|
}
|
|
pskindesc = ((maliasskindesc_t *)
|
|
((byte *) paliashdr + paliashdr->skindesc)) + skinnum;
|
|
//FIXME: broken for skin groups
|
|
original = (byte *) paliashdr + pskindesc->skin;
|
|
|
|
inwidth = paliashdr->mdl.skinwidth;
|
|
inheight = paliashdr->mdl.skinheight;
|
|
|
|
build_skin (texnum, original, inwidth, inheight, inwidth, inheight, false);
|
|
|
|
Cache_Release (&model->cache);
|
|
}
|
|
|
|
VISIBLE void
|
|
Skin_Player_Model (model_t *model)
|
|
{
|
|
aliashdr_t *paliashdr;
|
|
|
|
player_width = 296;
|
|
player_height = 194;
|
|
if (!model) // player doesn't have a model yet
|
|
return;
|
|
if (model->type != mod_alias) // translate skins only on alias models
|
|
return;
|
|
|
|
paliashdr = Cache_Get (&model->cache);
|
|
player_width = paliashdr->mdl.skinwidth;
|
|
player_height = paliashdr->mdl.skinheight;
|
|
Cache_Release (&model->cache);
|
|
}
|
|
|
|
VISIBLE void
|
|
Skin_Init_Translation (void)
|
|
{
|
|
int i;
|
|
|
|
for (i = 0; i < 256; i++) {
|
|
translate[i] = i;
|
|
translate32[i] = d_8to24table[i];
|
|
}
|
|
}
|
|
|
|
VISIBLE void
|
|
Skin_Process (skin_t *skin, tex_t *tex)
|
|
{
|
|
int pixels = tex->width * tex->height;
|
|
byte *ptexels = Hunk_TempAlloc (pixels);
|
|
|
|
skin->fb_texture = 0;
|
|
if (Mod_CalcFullbright (tex->data, ptexels, pixels)) {
|
|
skin->fb_texture = skin_fb_textures + (skin - skin_cache);
|
|
build_skin (skin->fb_texture, ptexels, tex->width, tex->height,
|
|
296, 194, true);
|
|
}
|
|
}
|