mirror of
https://github.com/libretro/scummvm.git
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156 lines
3.3 KiB
C++
156 lines
3.3 KiB
C++
/* ScummVM - Graphic Adventure Engine
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*
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* ScummVM is the legal property of its developers, whose names
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* are too numerous to list here. Please refer to the COPYRIGHT
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* file distributed with this source distribution.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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* $URL$
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* $Id$
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*
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*/
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/*
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* This code is based on original Hugo Trilogy source code
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*
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* Copyright (c) 1989-1995 David P. Gray
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*
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*/
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#include "common/system.h"
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#include "gui/message.h"
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#include "hugo/game.h"
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#include "hugo/hugo.h"
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#include "hugo/util.h"
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#include "hugo/sound.h"
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#include "hugo/text.h"
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namespace Hugo {
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/**
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* Returns index (0 to 7) of first 1 in supplied byte, or 8 if not found
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*/
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int Utils::firstBit(byte data) {
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if (!data)
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return 8;
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int i;
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for (i = 0; i < 8; i++) {
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if ((data << i) & 0x80)
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break;
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}
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return i;
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}
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/**
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* Returns index (0 to 7) of last 1 in supplied byte, or 8 if not found
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*/
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int Utils::lastBit(byte data) {
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if (!data)
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return 8;
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int i;
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for (i = 7; i >= 0; i--) {
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if ((data << i) & 0x80)
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break;
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}
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return i;
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}
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/**
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* Reverse the bit order in supplied byte
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*/
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void Utils::reverseByte(byte *data) {
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byte maskIn = 0x80;
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byte maskOut = 0x01;
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byte result = 0;
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for (byte i = 0; i < 8; i++, maskIn >>= 1, maskOut <<= 1) {
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if (*data & maskIn)
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result |= maskOut;
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}
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*data = result;
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}
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char *Utils::Box(box_t dismiss, const char *s, ...) {
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static char buffer[kMaxStrLength + 1]; // Format text into this
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if (!s)
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return 0; // NULL strings catered for
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if (s[0] == '\0')
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return 0;
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if (strlen(s) > kMaxStrLength - 100) { // Test length
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warning("String too long: '%s'", s);
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return 0;
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}
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va_list marker;
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va_start(marker, s);
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vsprintf(buffer, s, marker); // Format string into buffer
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va_end(marker);
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if (buffer[0] == '\0')
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return 0;
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switch(dismiss) {
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case kBoxAny:
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case kBoxOk: {
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GUI::MessageDialog dialog(buffer, "OK");
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dialog.runModal();
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break;
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}
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case kBoxYesNo: {
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GUI::MessageDialog dialog(buffer, "YES", "NO");
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if (dialog.runModal() == GUI::kMessageOK)
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return buffer;
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return 0;
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break;
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}
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case kBoxPrompt: {
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// TODO: Some boxes (i.e. the combination code for the shed), needs to return an input.
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warning("Box: unhandled BOX_PROMPT");
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int boxTime = strlen(buffer) * 30;
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GUI::TimedMessageDialog dialog(buffer, MAX(1500, boxTime));
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dialog.runModal();
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break;
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}
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default:
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error("Unknown BOX Type %d", dismiss);
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}
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return buffer;
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}
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char *Utils::strlwr(char *buffer) {
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char *result = buffer;
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while (*buffer != '\0') {
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if (isupper(*buffer))
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*buffer = tolower(*buffer);
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buffer++;
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}
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return result;
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}
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} // End of namespace Hugo
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