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 +1,44 @@
+// Reverse engineered from the Star Control executable.
+
+#ifndef _LZTFB
+#define _LZTFB
+
+#include <stdint.h>
+#include <stdio.h>
+
+typedef struct LZTFB LZTFB;
+
+#include "../../shared/cbytesex.h"
+#include "huff.h"
+
+#define LZTFB_BUF_SIZE  0x2000
+
+struct LZTFB {
+	uint8_t buf[LZTFB_BUF_SIZE];
+	uint8_t *bufPtr;
+	uint32_t bufFill;
+	uint32_t lastBufFill;
+
+	BitStreamContext bsc;
+
+	bool literalsEncoded;
+	Huff_Context *huffTable[3];
+	int state;
+	struct {
+		int32_t offset;
+		uint32_t count;
+	} stateData;
+
+	size_t compressedSize;
+	size_t uncompressedSize;
+
+	uint8_t table2Shift;
+	uint8_t lengthBias;
+};
+
+LZTFB *LZTFB_new(const char *buf, size_t len);
+int LZTFB_output(LZTFB *lztfb, FILE *out);
+void LZTFB_delete(LZTFB *lztfb);
+
+#endif  /* _LZTFB */
+