1 files changed, 0 insertions, 120 deletions
diff --git a/engines/glk/alan2/decode.cpp b/engines/glk/alan2/decode.cpp
deleted file mode 100644
index 58e814f97f..0000000000
--- a/engines/glk/alan2/decode.cpp
+++ /dev/null
@@ -1,120 +0,0 @@
-/* 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.
- *
- */
-
-#include "glk/alan2/decode.h"
-
-namespace Glk {
-namespace Alan2 {
-
-int Decode::inputBit() {
-	int bit;
-
-	if (!_bitsToGo) {		// More bits available ?
-		_decodeBuffer = _txtFile->readByte(); // No, so get more
-		if (_txtFile->eos()) {
-			_garbageBits++;
-
-			if (_garbageBits > VALUEBITS - 2)
-				error("Error in encoded data file.");
-		} else
-			_bitsToGo = 8;		// Another Char, 8 new bits
-	}
-
-	bit = _decodeBuffer & 1;			// Get next bit
-	_decodeBuffer = _decodeBuffer >> 1; // and remove it
-	_bitsToGo--;
-
-	return bit;
-}
-
-void Decode::startDecoding() {
-	_bitsToGo = 0;
-	_garbageBits = 0;
-
-	_value = 0;
-	for (int i = 0; i < VALUEBITS; i++)
-		_value = 2 * _value + inputBit();
-
-	_low = 0;
-	_high = TOPVALUE;
-}
-
-int Decode::decodeChar() {
-	const long range = (long)(_high - _low) + 1;
-	const uint f = (((long)(_value - _low) + 1) * _freq[0] - 1) / range;
-	int symbol;
-
-	// Find the symbol
-	for (symbol = 1; _freq[symbol] > f; symbol++);
-
-	_high = _low + range * _freq[symbol - 1] / _freq[0] - 1;
-	_low = _low + range * _freq[symbol] / _freq[0];
-
-	for (;;) {
-		if (_high < HALF) {
-			// Do nothing
-		} else if (_low >= HALF) {
-			_value = _value - HALF;
-			_low = _low - HALF;
-			_high = _high - HALF;
-		} else if (_low >= ONEQUARTER && _high < THREEQUARTER) {
-			_value = _value - ONEQUARTER;
-			_low = _low - ONEQUARTER;
-			_high = _high - ONEQUARTER;
-		} else
-			break;
-
-		// Scale up the range
-		_low = 2 * _low;
-		_high = 2 * _high + 1;
-		_value = 2 * _value + inputBit();
-	}
-
-	return symbol - 1;
-}
-
-DecodeInfo *Decode::pushDecode() {
-	DecodeInfo *info = new DecodeInfo();
-
-	info->fpos = _txtFile->pos();
-	info->buffer = _decodeBuffer;
-	info->bits = _bitsToGo;
-	info->value = _value;
-	info->high = _high;
-	info->low = _low;
-
-	return info;
-}
-
-void Decode::popDecode (DecodeInfo *info) {
-	_txtFile->seek(info->fpos, SEEK_CUR);
-	_decodeBuffer = info->buffer;
-	_bitsToGo = info->bits;
-	_value = info->value;
-	_high = info->high;
-	_low = info->low;
-
-	delete info;
-}
-
-} // End of namespace Alan2
-} // End of namespace Glk