/* 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 #endif #ifdef HAVE_STRINGS_H # include #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_DPrintf ("(%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); } }