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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/gfx/gfx_system.h"
#include "sci/gfx/gfx_options.h"
#include "sci/gfx/gfx_resmgr.h"
#include <ctype.h>
namespace Sci {
//#define DEBUG
static inline int matches_patternlist(gfx_res_pattern_t *patterns, int nr, int val) {
int i;
for (i = 0; i < nr; i++)
if (patterns[i].min <= val
&& patterns[i].max >= val)
return 1;
return 0;
}
#ifdef DEBUG
static void print_pattern(gfx_res_pattern_t *pat) {
fprintf(stderr, "[%d..%d]",
pat->min, pat->max);
}
#endif
static inline int resource_matches_patternlists(gfx_res_conf_t *conf, int type, int nr, int loop, int cel) {
int loc;
#ifdef DEBUG
int i;
fprintf(stderr, "[DEBUG:gfx-res] Trying to match against %d/%d/%d choices\n",
conf->patterns_nr, conf->loops_nr, conf->cels_nr);
for (i = 0; i < conf->patterns_nr; i++) {
fprintf(stderr, "[DEBUG:gfx-res] Pat #%d: ", i);
print_pattern(conf->patterns + i);
fprintf(stderr, "\n");
}
loc = conf->patterns_nr;
for (i = 0; i < conf->loops_nr; i++) {
fprintf(stderr, "[DEBUG:gfx-res] Loop #%d: ", i);
print_pattern(conf->patterns + i + loc);
fprintf(stderr, "\n");
}
loc += conf->loops_nr;
for (i = 0; i < conf->cels_nr; i++) {
fprintf(stderr, "[DEBUG:gfx-res] Cel #%d: ", i);
print_pattern(conf->patterns + i + loc);
fprintf(stderr, "\n");
}
#endif
if (conf->patterns_nr && !matches_patternlist(conf->patterns, conf->patterns_nr, nr))
return 0;
if (type == GFX_RESOURCE_TYPE_CURSOR)
return 1;
/* 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 0;
if (type != GFX_RESOURCE_TYPE_VIEW)
return 1;
loc += conf->loops_nr;
if (!conf->cels_nr)
return 1;
return matches_patternlist(conf->patterns + loc, conf->cels_nr, cel);
}
static inline 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)) {
#ifdef DEBUG
fprintf(stderr, "[DEBUG:gfx-res] Found match!\n");
#endif
return conflist;
}
conflist = conflist->next;
}
return NULL;
}
void apply_assign(gfx_res_assign_t *conf, gfx_pixmap_t *pxm) {
// Has a dynamically allocated palette? Must clean up
if (!(pxm->flags & GFX_PIXMAP_FLAG_EXTERNAL_PALETTE)) {
if (pxm->colors)
free(pxm->colors);
pxm->flags |= GFX_PIXMAP_FLAG_EXTERNAL_PALETTE;
}
pxm->colors_nr = conf->assign.palette.colors_nr;
pxm->colors = conf->assign.palette.colors;
}
void apply_mod(gfx_res_mod_t *mod, gfx_pixmap_t *pxm) {
gfx_pixmap_color_t *pal = pxm->colors;
int i, pal_size = pxm->colors_nr;
// Does not have a dynamically allocated palette? Must dup current one
if (pxm->flags & GFX_PIXMAP_FLAG_EXTERNAL_PALETTE) {
int size = sizeof(gfx_pixmap_color_t) * pal_size;
pxm->colors = (gfx_pixmap_color_t*)sci_malloc(size);
memcpy(pxm->colors, pal, size);
pal = pxm->colors;
pxm->flags &= ~GFX_PIXMAP_FLAG_EXTERNAL_PALETTE;
// Flag for later deallocation
}
switch (mod->type) {
case GFX_RES_MULTIPLY_FIXED: {
for (i = 0; i < pal_size; i++) {
int v;
#define UPDATE_COL(nm, idx) \
v = pal[i].nm; \
v *= mod->mod.factor[idx]; \
v >>= 4; \
pal[i].nm = (v > 255)? 255 : v;
UPDATE_COL(r, 0);
UPDATE_COL(g, 1);
UPDATE_COL(b, 2);
#undef UPDATE_COL
}
break;
}
default:
GFXERROR("Using unexpected visual resource modifier %d\n", mod->type);
}
}
int gfx_get_res_config(gfx_options_t *options, 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;
#ifdef DEBUG
fprintf(stderr, "[DEBUG:gfx-res] Trying to conf %d/%d/%d/%d (ID=%d)\n",
restype, nr, loop, cel, pxm->ID);
#endif
if (pxm->ID < 0 || restype < 0 || restype >= GFX_RESOURCE_TYPES_NR)
return 1; // Not appropriate
conf = find_match(options->res_conf.assign[restype], restype, nr, loop, cel);
if (conf)
apply_assign(&(conf->conf.assign), pxm);
conf = options->res_conf.mod[restype];
while (conf) {
conf = find_match(conf, restype, nr, loop, cel);
if (conf) {
apply_mod(&(conf->conf.mod), pxm);
conf = conf->next;
}
}
fflush(NULL);
return 0;
}
} // End of namespace Sci
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