SC1 unpacking tools

git-svn-id: svn://svn.code.sf.net/p/sc2/code/trunk@2767 8092fc87-c524-0410-9efc-e669fe64eaf9
2007-06-01 14:01:14 +00:00
parent c9095d9793
commit 325a882c5d
13 changed files with 1653 additions and 0 deletions
@@ -0,0 +1,50 @@
+/*
+ *  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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ */
+
+#ifndef _GETBIT_H
+#define _GETBIT_H
+
+static inline WORD
+haveBit(BitStreamContext *bsc) {
+	return BSC_haveBit_OPAB(bsc);
+}
+
+static inline WORD
+getBit(BitStreamContext *bsc) {
+	if (haveBit(bsc))
+		return BSC_getBit_OPAB(bsc);
+
+	bsc->eof = true;
+	return 0;
+}
+
+static inline WORD
+haveBits(BitStreamContext *bsc, BYTE count) {
+	return BSC_haveBits_OPAB(bsc, count);
+}
+
+// On EOF, this outputs garbage; this is how the original TFB code worked.
+static inline WORD
+getBits(BitStreamContext *bsc, BYTE count) {
+	if (haveBits(bsc, count))
+		return BSC_getBits_OPAB(bsc, count);
+
+	bsc->eof = true;
+	return BSC_getBits_OPAB(bsc, BSC_bitsLeft_OPAB(bsc));
+}
+
+#endif  /* _GETBIT_H */
+