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
|
/* 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.
*
* $URL$
* $Id$
*
*/
/*
* This code is based on original Hugo Trilogy source code
*
* Copyright (c) 1989-1995 David P. Gray
*
*/
#include "common/system.h"
#include "gui/message.h"
#include "hugo/game.h"
#include "hugo/hugo.h"
#include "hugo/util.h"
#include "hugo/sound.h"
#include "hugo/text.h"
namespace Hugo {
namespace Utils {
/**
* Returns index (0 to 7) of first 1 in supplied byte, or 8 if not found
*/
int firstBit(byte data) {
if (!data)
return 8;
int i;
for (i = 0; i < 8; i++) {
if ((data << i) & 0x80)
break;
}
return i;
}
/**
* Returns index (0 to 7) of last 1 in supplied byte, or 8 if not found
*/
int lastBit(byte data) {
if (!data)
return 8;
int i;
for (i = 7; i >= 0; i--) {
if ((data << i) & 0x80)
break;
}
return i;
}
/**
* Reverse the bit order in supplied byte
*/
void reverseByte(byte *data) {
byte maskIn = 0x80;
byte maskOut = 0x01;
byte result = 0;
for (byte i = 0; i < 8; i++, maskIn >>= 1, maskOut <<= 1) {
if (*data & maskIn)
result |= maskOut;
}
*data = result;
}
void notifyBox(const Common::String &msg) {
if (msg.empty())
return;
GUI::MessageDialog dialog(msg, "OK");
dialog.runModal();
}
Common::String promptBox(const Common::String &msg) {
if (msg.empty())
return Common::String();
EntryDialog dialog(msg, "OK", "");
dialog.runModal();
return dialog.getEditString();
}
bool yesNoBox(const Common::String &msg) {
if (msg.empty())
return 0;
GUI::MessageDialog dialog(msg, "YES", "NO");
return (dialog.runModal() == GUI::kMessageOK);
}
char *strlwr(char *buffer) {
char *result = buffer;
while (*buffer != '\0') {
if (isupper(*buffer))
*buffer = tolower(*buffer);
buffer++;
}
return result;
}
} // End of namespace Utils
} // End of namespace Hugo
|
