1 /* ScummVM - Graphic Adventure Engine
2  *
3  * ScummVM is the legal property of its developers, whose names
4  * are too numerous to list here. Please refer to the COPYRIGHT
5  * file distributed with this source distribution.
6  *
7  * This program is free software; you can redistribute it and/or
8  * modify it under the terms of the GNU General Public License
9  * as published by the Free Software Foundation; either version 2
10  * of the License, or (at your option) any later version.
11  *
12  * This program is distributed in the hope that it will be useful,
13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15  * GNU General Public License for more details.
16  *
17  * You should have received a copy of the GNU General Public License
18  * along with this program; if not, write to the Free Software
19  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
20  *
21  */
22 
23 #include "ags/engine/ac/global_walk_behind.h"
24 #include "ags/shared/ac/common.h"
25 #include "ags/shared/ac/common_defines.h"
26 #include "ags/engine/ac/draw.h"
27 #include "ags/engine/ac/room_status.h"
28 #include "ags/engine/ac/walk_behind.h"
29 #include "ags/engine/debugging/debug_log.h"
30 #include "ags/globals.h"
31 
32 namespace AGS3 {
33 
SetWalkBehindBase(int wa,int bl)34 void SetWalkBehindBase(int wa, int bl) {
35 	if ((wa < 1) || (wa >= MAX_WALK_BEHINDS))
36 		quit("!SetWalkBehindBase: invalid walk-behind area specified");
37 
38 	if (bl != _G(croom)->walkbehind_base[wa]) {
39 		_G(walk_behind_baselines_changed) = 1;
40 		invalidate_cached_walkbehinds();
41 		_G(croom)->walkbehind_base[wa] = bl;
42 		debug_script_log("Walk-behind %d baseline changed to %d", wa, bl);
43 	}
44 }
45 
46 } // namespace AGS3
47