Initial commit of Command & Conquer Red Alert source code.

2025-12-15 15:11:39 -05:00 · 2025-02-27 16:15:05 +00:00
parent b685cea758
commit 5e733d5dcc
2082 changed files with 797727 additions and 0 deletions
--- a/CODE/LZW.H
+++ b/CODE/LZW.H
@@ -0,0 +1,89 @@
+/*
+**	Command & Conquer Red Alert(tm)
+**	Copyright 2025 Electronic Arts Inc.
+**
+**	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 3 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, see <http://www.gnu.org/licenses/>.
+*/
+
+/* $Header: /CounterStrike/LZW.H 1     3/03/97 10:25a Joe_bostic $ */
+/***********************************************************************************************
+ ***              C O N F I D E N T I A L  ---  W E S T W O O D  S T U D I O S               ***
+ ***********************************************************************************************
+ *                                                                                             *
+ *                 Project Name : Command & Conquer                                            *
+ *                                                                                             *
+ *                    File Name : LZW.H                                                        *
+ *                                                                                             *
+ *                   Programmer : Joe L. Bostic                                                *
+ *                                                                                             *
+ *                   Start Date : 08/28/96                                                     *
+ *                                                                                             *
+ *                  Last Update : August 28, 1996 [JLB]                                        *
+ *                                                                                             *
+ *---------------------------------------------------------------------------------------------*
+ * Functions:                                                                                  *
+ * - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
+
+#ifndef _LZW_H
+#define _LZW_H
+
+#include	"buff.h"
+
+class LZWEngine
+{
+	public:
+		LZWEngine(void);
+
+		int Compress(Buffer const & input, Buffer const & output);
+		int Uncompress(Buffer const & input, Buffer const & output);
+
+		void Reset(void);
+
+	private:
+		typedef short CodeType;
+		struct CodeClass {
+			CodeType CodeValue;
+			CodeType ParentCode;
+			char CharValue;
+
+			CodeClass(void) {}
+			CodeClass(CodeType code, CodeType parent, char c) : CodeValue(code), ParentCode(parent), CharValue(c) {}
+
+			enum {UNUSED=-1};
+			void Make_Unused(void) {CodeValue = UNUSED;}
+			bool Is_Unused(void) const {return(CodeValue == UNUSED);}
+			bool Is_Matching(CodeType code, char c) const {return(ParentCode == code && CharValue == c);}
+		};
+
+		enum {
+			BITS=12,
+			MAX_CODE=((1 << BITS ) - 1),
+			FIRST_CODE=257,
+			END_OF_STREAM=256,
+			TABLE_SIZE=5021
+		};
+		CodeClass dict[TABLE_SIZE];
+
+		char decode_stack[TABLE_SIZE];
+
+		int Find_Child_Node(CodeType parent_code, char child_character);
+		int Decode_String(char * ptr, CodeType code);
+		static int Make_LZW_Hash(CodeType code, char character);
+};
+
+
+int LZW_Compress(Buffer const & inbuff, Buffer const & outbuff);
+int LZW_Uncompress(Buffer const & inbuff, Buffer const & outbuff);
+
+#endif