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/* ScummVM - Graphic Adventure Engine
*
* ScummVM is the legal property of its developers, whose names
* are too numerous to list here. Please refer to the COPYRIGHT
* file distributed with this source distribution.
*
* 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
* $URL$
* $Id$
*
*/
#include "sci/sci.h"
#include "sci/gfx/gfx_system.h"
#include "sci/gfx/gfx_options.h"
#include "sci/gfx/gfx_resmgr.h"
#ifdef CUSTOM_GRAPHICS_OPTIONS
namespace Sci {
static bool matches_patternlist(gfx_res_pattern_t *patterns, int nr, int val) {
for (int i = 0; i < nr; i++)
if (patterns[i].min <= val && patterns[i].max >= val)
return true;
return false;
}
static bool resource_matches_patternlists(gfx_res_conf_t *conf, int type, int nr, int loop, int cel) {
int loc;
if (conf->patterns_nr && !matches_patternlist(conf->patterns, conf->patterns_nr, nr))
return false;
if (type == GFX_RESOURCE_TYPE_CURSOR)
return true;
/* Otherwise, we must match at least the loop (pic)
** and, for views, the cel as well */
loc = conf->patterns_nr;
if (conf->loops_nr &&
!matches_patternlist(conf->patterns + loc,
conf->loops_nr,
loop))
return false;
if (type != GFX_RESOURCE_TYPE_VIEW)
return true;
loc += conf->loops_nr;
if (!conf->cels_nr)
return true;
return matches_patternlist(conf->patterns + loc, conf->cels_nr, cel);
}
static gfx_res_conf_t *find_match(gfx_res_conf_t *conflist, int type, int nr, int loop, int cel) {
while (conflist) {
if (resource_matches_patternlists(conflist, type, nr, loop, cel))
return conflist;
conflist = conflist->next;
}
return NULL;
}
void apply_mod(byte rFactor, byte gFactor, byte bFactor, gfx_pixmap_t *pxm) {
Palette *pal = pxm->palette;
int i, pal_size = pal ? pal->size() : 0;
// Id the pixmap's palette is shared, duplicate it
if (pal && pal->isShared()) {
pal = pxm->palette->copy();
pxm->palette->free();
pxm->palette = pal;
}
for (i = 0; i < pal_size; i++) {
PaletteEntry c = pal->getColor(i);
c.r = CLIP<int>((c.r * rFactor) >> 4, 0, 255);
c.g = CLIP<int>((c.g * gFactor) >> 4, 0, 255);
c.b = CLIP<int>((c.b * bFactor) >> 4, 0, 255);
pal->setColor(i, c.r, c.g, c.b);
}
}
int gfx_get_res_config(gfx_res_fullconf_t res_conf, gfx_pixmap_t *pxm) {
int restype = GFXR_RES_TYPE(pxm->ID);
int nr = GFXR_RES_NR(pxm->ID);
int loop = pxm->loop;
int cel = pxm->cel;
gfx_res_conf_t *conf;
if (pxm->ID < 0 || restype < 0 || restype >= GFX_RESOURCE_TYPES_NR)
return 1; // Not appropriate
// Find assignment config, if available
conf = find_match(res_conf.assign[restype], restype, nr, loop, cel);
if (conf) {
// Assign palette
if (pxm->palette)
pxm->palette->free();
pxm->palette = new Palette(conf->colors,
conf->colors_nr);
pxm->palette->name = "res";
}
// Find mod config, if available
conf = res_conf.mod[restype];
while (conf) {
conf = find_match(conf, restype, nr, loop, cel);
if (conf) {
apply_mod(conf->rFactor, conf->gFactor, conf->bFactor, pxm);
conf = conf->next;
}
}
return 0;
}
} // End of namespace Sci
#endif
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