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Diffstat (limited to 'engines/hugo/util.cpp')
| -rw-r--r-- | engines/hugo/util.cpp | 205 |
1 files changed, 205 insertions, 0 deletions
diff --git a/engines/hugo/util.cpp b/engines/hugo/util.cpp new file mode 100644 index 0000000000..8cca4b7d84 --- /dev/null +++ b/engines/hugo/util.cpp @@ -0,0 +1,205 @@ +/* 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" + +namespace Hugo { + +int Utils::firstBit(byte data) { +// Returns index (0 to 7) of first 1 in supplied byte, or 8 if not found + if (!data) + return 8; + + int i; + for (i = 0; i < 8; i++) { + if ((data << i) & 0x80) + break; + } + + return i; +} + +int Utils::lastBit(byte data) { +// Returns index (0 to 7) of last 1 in supplied byte, or 8 if not found + if (!data) + return 8; + + int i; + for (i = 7; i >= 0; i--) { + if ((data << i) & 0x80) + break; + } + + return i; +} + +void Utils::reverseByte(byte *data) { +// Reverse the bit order in supplied byte + 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; +} + +char *Utils::Box(box_t dismiss, const char *s, ...) { + static char buffer[MAX_STRLEN + 1]; // Format text into this + + if (!s) + return 0; // NULL strings catered for + + if (s[0] == '\0') + return 0; + + if (strlen(s) > MAX_STRLEN - 100) { // Test length + Warn("String too big:\n%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 BOX_ANY: + case BOX_OK: { + GUI::MessageDialog dialog(buffer, "OK"); + dialog.runModal(); + break; + } + case BOX_YESNO: { + GUI::MessageDialog dialog(buffer, "YES", "NO"); + if (dialog.runModal() == GUI::kMessageOK) + return buffer; + return 0; + break; + } + case BOX_PROMPT: + warning("Box: unhandled BOX_PROMPT"); + int boxTime = strlen(buffer) * 30; + GUI::TimedMessageDialog dialog(buffer, MAX(1500, boxTime)); + dialog.runModal(); + // TODO: Some boxes (i.e. the combination code for the shed), needs to return an input. + } + + return buffer; +} + +void Utils::Warn(const char *format, ...) { +// Warning handler. Print supplied message and continue +// Arguments are same as printf + char buffer[WARNLEN]; + va_list marker; + va_start(marker, format); + vsnprintf(buffer, WARNLEN, format, marker); + va_end(marker); + warning("Hugo warning: %s", buffer); +} + +void Utils::Error(int error_type, const char *format, ...) { +// Fatal error handler. Reset environment, print error and exit +// Arguments are same as printf + char buffer[ERRLEN + 1]; + bool fatal = true; // Fatal error, else continue + + switch (error_type) { + case FILE_ERR: + strcpy(buffer, HugoEngine::get()._textUtil[kErr1]); + break; + case WRITE_ERR: + strcpy(buffer, HugoEngine::get()._textUtil[kErr2]); + fatal = false; // Allow continuation + break; + case PCCH_ERR: + strcpy(buffer, HugoEngine::get()._textUtil[kErr3]); + break; + case HEAP_ERR: + strcpy(buffer, HugoEngine::get()._textUtil[kErr4]); + break; + case SOUND_ERR: + strcpy(buffer, HugoEngine::get()._textUtil[kErr5]); + break; + default: + strcpy(buffer, HugoEngine::get()._textUtil[kErr6]); + break; + } + + if (fatal) + HugoEngine::get().shutdown(); // Restore any devices before exit + + va_list marker; + va_start(marker, format); + vsnprintf(&buffer[strlen(buffer)], ERRLEN - strlen(buffer), format, marker); + va_end(marker); + //MessageBeep(MB_ICONEXCLAMATION); + //MessageBox(hwnd, buffer, "HugoWin Error", MB_OK | MB_ICONEXCLAMATION); + warning("Hugo Error: %s", buffer); + + if (fatal) + exit(1); +} + +void Utils::gameOverMsg(void) { + // Print options for user when dead + //MessageBox(hwnd, gameoverstring, "Be more careful next time!", MB_OK | MB_ICONINFORMATION); + warning("STUB: Gameover_msg(): %s", HugoEngine::get()._textUtil[kGameOver]); +} + +char *Utils::strlwr(char *buffer) { + char *result = buffer; + + while (*buffer != '\0') { + if (isupper(*buffer)) + *buffer = tolower(*buffer); + buffer++; + } + + return result; +} + + +} // End of namespace Hugo |