Initial MSVC 2008 projects workspace

2012-02-01 05:25:08 +00:00
commit 03de3bdc95
1446 changed files with 476853 additions and 0 deletions
--- a/l2packets/pcode_obfuscator/L2PCodeObfuscator.h
+++ b/l2packets/pcode_obfuscator/L2PCodeObfuscator.h
@@ -0,0 +1,86 @@
+#ifndef L2PCODEOBFUSCATOR_H_
+#define L2PCODEOBFUSCATOR_H_
+
+#include "../L2_versions.h"
+
+/** \class L2PCodeObfuscator
+* Manages opcode obfuscation engine.
+*/
+class L2PCodeObfuscator
+{
+public:
+	/** Creates default object with version set to T1 */
+	L2PCodeObfuscator();
+	/** Destructor calls clear() */
+	virtual ~L2PCodeObfuscator();
+
+public:
+	/** Sets protocol version.\n
+	* different protcols have different sizes of opcode obfuscation tables.\n
+	* Default is version T1 (Kamael does not have opcode obfuscation at all!)
+	* \param new_version - specifies version to set. Must be one of: L2_VERSION_T1, L2_VERSION_T15, L2_VERSION_T2, L2_VERSION_T22, L2_VERSION_T23.
+	* \return none
+	*/
+	void           setVersionMode( L2_VERSION new_version ) { m_version = new_version; }
+	/** Set version Hellbound. Equvalent to setVersionMode( L2_VERSION_T15 ); */
+	void           setVersionMode_T15() { setVersionMode( L2_VERSION_T15 ); }
+	/** Set version Gracia Part 1. Equvalent to setVersionMode( L2_VERSION_T2 ); */
+	void           setVersionMode_T2()  { setVersionMode( L2_VERSION_T2  ); }
+	/** Set version Gracia Part 2. Equvalent to setVersionMode( L2_VERSION_T22 ); */
+	void           setVersionMode_T22() { setVersionMode( L2_VERSION_T22 ); }
+	/** Set version Gracia Final. Equvalent to setVersionMode( L2_VERSION_T23 ); */
+	void           setVersionMode_T23() { setVersionMode( L2_VERSION_T23 ); }
+	
+	/** Frees object memory
+	* \return none
+	*/
+	void           clear();
+	/** Initializes obfuscation tables using seed (obfuscator code)
+	* \param seed - initial PRNG value
+	* \return none
+	*/
+	void           init_tables( unsigned int seed );
+	/** Test if obfuscation is enabled. Obfuscator is enabled after init_tables() was called.
+	* \return 1, if enabled; 0 otherwise
+	*/
+	int            isEnabled() const { return m_enabled; }
+
+	/** Decodes opcode in packet (deobfuscates) 
+	* \param packet_data_raw - packet bytes (all, starting with 2 first bytes - packet len)
+	*/
+	int            decodeIDs( unsigned char *packet_data_raw );
+	/** Encodes opcode in packet (obfuscates)
+	* \param packet_data_raw - packet bytes (all, starting with 2 first bytes - packet len)
+	*/
+	int            encodeIDs( unsigned char *packet_data_raw );
+
+	bool           decodeOpcode( unsigned char &singleOpcode, unsigned short &doubleOpcode );
+	bool           encodeOpcode( unsigned char &singleOpcode, unsigned short &doubleOpcode );
+	bool           decodeOpcode( unsigned char &singleOpcode, unsigned short &doubleOpcode, unsigned short &tripleOpcode );
+	bool           encodeOpcode( unsigned char &singleOpcode, unsigned short &doubleOpcode, unsigned short &tripleOpcode );
+
+protected:
+	/** Internal function used to mix opcode tables */
+	void           pseudo_srand( unsigned int seed );
+	/** Internal function - generates next pseudo random value. Used to mix opcode tables */
+	unsigned int   pseudo_rand();
+
+protected:
+	L2_VERSION     m_version; ///< game version.
+	int            m_enabled; ///< =1, if enabled (tables were initialized).
+
+	unsigned char *m_DecodeTable1;
+	unsigned char *m_DecodeTable2;
+	unsigned char *m_DecodeTable3;
+
+	unsigned char *m_EncodeTable1;
+	unsigned char *m_EncodeTable2;
+	unsigned char *m_EncodeTable3;
+
+	unsigned int   m_seed; ///< current PRNG seed
+	unsigned int   m_s1; ///< size of 1-byte opcode obfuscator table (depends on version)
+	unsigned int   m_s2; ///< size of 2-byte opcode obfuscator table (depends on version)
+	unsigned int   m_s3; ///< size of 2-byte opcode obfuscator table (depends on version)
+};
+
+#endif /* L2PCODEOBFUSCATOR_H_ */