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
|
/* 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.
*
*/
#include "common/archive.h"
#include "common/debug-channels.h"
#include "common/debug.h"
#include "common/stream.h"
#include "graphics/surface.h"
#include "prince/pscr.h"
namespace Prince {
PScr::PScr() :_file(0), _x(0), _y(0), _step(0), _addr(0), _len(0), _surface(NULL)
{
}
PScr::~PScr() {
if (_surface) {
_surface->free();
delete _surface;
_surface = NULL;
}
}
void PScr::loadSurface(Common::SeekableReadStream &stream) {
stream.skip(4);
int width = stream.readUint16LE();
int height = stream.readUint16LE();
_surface = new Graphics::Surface();
_surface->create(width, height, Graphics::PixelFormat::createFormatCLUT8());
for (int h = 0; h < _surface->h; h++) {
stream.read(_surface->getBasePtr(0, h), _surface->w);
}
}
bool PScr::loadFromStream(Common::SeekableReadStream &stream) {
int32 pos = stream.pos();
uint16 file = stream.readUint16LE();
if (file == 0xFFFF)
return false;
_file = file;
_x = stream.readUint16LE();
_y = stream.readUint16LE();
_step = stream.readUint16LE();
_addr = stream.readUint32LE();
const Common::String pscrStreamName = Common::String::format("PS%02d", _file);
Common::SeekableReadStream *pscrStream = SearchMan.createReadStreamForMember(pscrStreamName);
if (!pscrStream) {
error("Can't load %s", pscrStreamName.c_str());
return false;
}
loadSurface(*pscrStream);
delete pscrStream;
stream.seek(pos + 12); // size of PScrList struct
debug("Parallex nr %d, x %d, y %d, step %d", _file, _x, _y, _step);
return true;
}
}
|
