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/* 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 {
/**
* Returns index (0 to 7) of first 1 in supplied byte, or 8 if not found
*/
int Utils::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 Utils::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 Utils::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;
}
const char *Utils::Box(box_t dismiss, const char *s, ...) {
static char buffer[kMaxStrLength + 1]; // Format text into this
if (!s)
return 0; // NULL strings catered for
if (s[0] == '\0')
return 0;
if (strlen(s) > kMaxStrLength - 100) { // Test length
warning("String too long: '%s'", s);
return 0;
}
va_list marker;
va_start(marker, s);
vsprintf(buffer, s, marker); // Format string into buffer
va_end(marker);
if (buffer[0] == '\0')
return 0;
switch(dismiss) {
case kBoxAny:
case kBoxOk: {
GUI::MessageDialog dialog(buffer, "OK");
dialog.runModal();
break;
}
case kBoxYesNo: {
GUI::MessageDialog dialog(buffer, "YES", "NO");
if (dialog.runModal() == GUI::kMessageOK)
return buffer;
return 0;
break;
}
case kBoxPrompt: {
EntryDialog dialog(buffer, "OK", "");
Common::String result = dialog.getEditString();
return result.c_str();
break;
}
default:
error("Unknown BOX Type %d", dismiss);
}
return 0;
}
char *Utils::strlwr(char *buffer) {
char *result = buffer;
while (*buffer != '\0') {
if (isupper(*buffer))
*buffer = tolower(*buffer);
buffer++;
}
return result;
}
} // End of namespace Hugo
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