aboutsummaryrefslogtreecommitdiff
path: root/engines/sci/gfx/gfx_res_options.cpp
blob: f665b5014184fcbd7e8ccc1e34ca339dae08c61e (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
/* 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