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/screen_overlay.h"
24 #include "ags/shared/util/stream.h"
25
26 namespace AGS3 {
27
28 using AGS::Shared::Stream;
29
ReadFromFile(Stream * in,int32_t cmp_ver)30 void ScreenOverlay::ReadFromFile(Stream *in, int32_t cmp_ver) {
31 // Skipping bmp and pic pointer values
32 // TODO: find out if it's safe to just drop these pointers!! replace with unique_ptr?
33 bmp = nullptr;
34 pic = nullptr;
35 in->ReadInt32(); // bmp
36 hasSerializedBitmap = in->ReadInt32() != 0;
37 type = in->ReadInt32();
38 x = in->ReadInt32();
39 y = in->ReadInt32();
40 timeout = in->ReadInt32();
41 bgSpeechForChar = in->ReadInt32();
42 associatedOverlayHandle = in->ReadInt32();
43 hasAlphaChannel = in->ReadBool();
44 positionRelativeToScreen = in->ReadBool();
45 if (cmp_ver >= 1) {
46 _offsetX = in->ReadInt32();
47 _offsetY = in->ReadInt32();
48 }
49 }
50
WriteToFile(Stream * out) const51 void ScreenOverlay::WriteToFile(Stream *out) const {
52 // Writing bitmap "pointers" to correspond to full structure writing
53 out->WriteInt32(0); // bmp
54 out->WriteInt32(pic ? 1 : 0); // pic
55 out->WriteInt32(type);
56 out->WriteInt32(x);
57 out->WriteInt32(y);
58 out->WriteInt32(timeout);
59 out->WriteInt32(bgSpeechForChar);
60 out->WriteInt32(associatedOverlayHandle);
61 out->WriteBool(hasAlphaChannel);
62 out->WriteBool(positionRelativeToScreen);
63 // since cmp_ver = 1
64 out->WriteInt32(_offsetX);
65 out->WriteInt32(_offsetY);
66 }
67
68 } // namespace AGS3
69