Пример #1
0
/**
 * Called to load a resource file for a different language
 * @param newLang			The new language
 */
void ChangeLanguage(LANGUAGE newLang) {
	TinselFile f;
	uint32 textLen = 0;	// length of buffer

	textLanguage = newLang;
	sampleLanguage = newLang;

	// free the previous buffer
	free(textBuffer);
	textBuffer = NULL;

	// Try and open the specified language file. If it fails, and the language
	// isn't English, try falling back on opening 'english.txt' - some foreign
	// language versions reused it rather than their proper filename
	if (!f.open(_vm->getTextFile(newLang))) {
		if ((newLang == TXT_ENGLISH) || !f.open(_vm->getTextFile(TXT_ENGLISH))) {
			char buf[50];
			sprintf(buf, CANNOT_FIND_FILE, _vm->getTextFile(newLang));
			GUI::MessageDialog dialog(buf, "OK");
			dialog.runModal();

			error(CANNOT_FIND_FILE, _vm->getTextFile(newLang));
		}
	}

	// Check whether the file is compressed or not -  for compressed files the
	// first long is the filelength and for uncompressed files it is the chunk
	// identifier
	textLen = f.readUint32();
	if (f.eos() || f.err())
		error(FILE_IS_CORRUPT, _vm->getTextFile(newLang));

	if (textLen == CHUNK_STRING || textLen == CHUNK_MBSTRING) {
		// the file is uncompressed

		bMultiByte = (textLen == CHUNK_MBSTRING);

		// get length of uncompressed file
		textLen = f.size();
		f.seek(0, SEEK_SET);	// Set to beginning of file

		if (textBuffer == NULL) {
			// allocate a text buffer for the strings
			textBuffer = (uint8 *)malloc(textLen);

			// make sure memory allocated
			assert(textBuffer);
		}

		// load data
		if (f.read(textBuffer, textLen) != textLen)
			// file must be corrupt if we get to here
			error(FILE_IS_CORRUPT, _vm->getTextFile(newLang));

		// close the file
		f.close();
	} else {	// the file must be compressed
		error("Compression handling has been removed");
	}
}
Пример #2
0
/**
 * Opens and inits all sound sample files.
 */
void SoundManager::openSampleFiles() {
	// Floppy and demo versions have no sample files, except for the Discworld 2 demo
	if (_vm->getFeatures() & GF_FLOPPY || (IsDemo && !TinselV2))
		return;

	TinselFile f;

	if (_sampleIndex)
		// already allocated
		return;

	// open sample index file in binary mode
	if (f.open(_vm->getSampleIndex(sampleLanguage)))	{
		// get length of index file
		f.seek(0, SEEK_END);		// move to end of file
		_sampleIndexLen = f.pos();	// get file pointer
		f.seek(0, SEEK_SET);		// back to beginning

		if (_sampleIndex == NULL) {
			// allocate a buffer for the indices
			_sampleIndex = (uint32 *)malloc(_sampleIndexLen);

			// make sure memory allocated
			if (_sampleIndex == NULL) {
				// disable samples if cannot alloc buffer for indices
				// TODO: Disabled sound if we can't load the sample index?
				return;
			}
		}

		// load data
		if (f.read(_sampleIndex, _sampleIndexLen) != (uint32)_sampleIndexLen)
			// file must be corrupt if we get to here
			error(FILE_IS_CORRUPT, _vm->getSampleFile(sampleLanguage));

		// close the file
		f.close();

		// convert file size to size in DWORDs
		_sampleIndexLen /= sizeof(uint32);

#ifdef SCUMM_BIG_ENDIAN
		// Convert all ids from LE to native format
		for (int i = 0; i < _sampleIndexLen; ++i) {
			_sampleIndex[i] = SWAP_BYTES_32(_sampleIndex[i]);
		}
#endif

		// Detect format of soundfile by looking at 1st sample-index
		switch (TO_BE_32(_sampleIndex[0])) {
		case MKID_BE('MP3 '):
			debugC(DEBUG_DETAILED, kTinselDebugSound, "Detected MP3 sound-data");
			_soundMode = kMP3Mode;
			break;

		case MKID_BE('OGG '):
			debugC(DEBUG_DETAILED, kTinselDebugSound, "Detected OGG sound-data");
			_soundMode = kVorbisMode;
			break;

		case MKID_BE('FLAC'):
			debugC(DEBUG_DETAILED, kTinselDebugSound, "Detected FLAC sound-data");
			_soundMode = kFLACMode;
			break;

		default:
			debugC(DEBUG_DETAILED, kTinselDebugSound, "Detected original sound-data");
			break;
		}
		// Normally the 1st sample-index points to nothing at all
		_sampleIndex[0] = 0;
	} else {
		char buf[50];
		sprintf(buf, CANNOT_FIND_FILE, _vm->getSampleIndex(sampleLanguage));
		GUI::MessageDialog dialog(buf, "OK");
		dialog.runModal();

		error(CANNOT_FIND_FILE, _vm->getSampleIndex(sampleLanguage));
	}

	// open sample file in binary mode
	if (!_sampleStream.open(_vm->getSampleFile(sampleLanguage))) {
		char buf[50];
		sprintf(buf, CANNOT_FIND_FILE, _vm->getSampleFile(sampleLanguage));
		GUI::MessageDialog dialog(buf, "OK");
		dialog.runModal();

		error(CANNOT_FIND_FILE, _vm->getSampleFile(sampleLanguage));
	}

/*
	// gen length of the largest sample
	sampleBuffer.size = _sampleStream.readUint32LE();
	if (_sampleStream.eos() || _sampleStream.err())
		error(FILE_IS_CORRUPT, _vm->getSampleFile(sampleLanguage));
*/
}