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
|
/* 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 3 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, see <http://www.gnu.org/licenses/>.
*
*/
#include "ultima/ultima8/misc/debugger.h"
#include "ultima/ultima8/usecode/byte_set.h"
namespace Ultima {
namespace Ultima8 {
ByteSet::ByteSet() : _size(0), _data(nullptr) {
}
ByteSet::ByteSet(unsigned int size) : _data(nullptr) {
setSize(size);
}
ByteSet::~ByteSet() {
delete[] _data;
}
void ByteSet::setSize(unsigned int size) {
if (_data) delete[] _data;
_size = size;
_data = new uint8[_size];
for (unsigned int i = 0; i < _size; ++i)
_data[i] = 0;
}
uint32 ByteSet::getEntries(unsigned int pos, unsigned int n) const {
assert(n <= 2);
assert(pos + n <= _size);
if (n == 0) return 0;
if (n == 1) {
return _data[pos];
} else if (n == 2) {
return (_data[pos] << 8) | _data[pos + 1];
}
return 0;
}
void ByteSet::setEntries(unsigned int pos, unsigned int n, uint32 val) {
assert(n <= 2);
assert(pos + n <= _size);
if (n == 0) return;
if (n == 1) {
_data[pos] = static_cast<uint8>(val);
} else if (n == 2) {
_data[pos] = static_cast<uint8>((val & 0xFF00) >> 8);
_data[pos + 1] = static_cast<uint8>(val & 0xFF);
}
}
void ByteSet::save(Common::WriteStream *ws) {
ws->writeUint32LE(_size);
ws->write(_data, _size);
}
bool ByteSet::load(Common::ReadStream *rs, uint32 version) {
uint32 s = rs->readUint32LE();
if (s > 1024 * 1024) {
warning("Improbable globals size %d, corrupt save?", s);
return false;
}
setSize(s);
rs->read(_data, _size);
return true;
}
} // End of namespace Ultima8
} // End of namespace Ultima
|
