From 27859faf7abdee7874819539dc518ea9e44437a5 Mon Sep 17 00:00:00 2001
From: Tedd Hansen
Date: Sat, 12 Jan 2008 15:49:41 +0000
Subject: Welcome back LSO. Added old LSO code, will use it as base to create
 new LSO VM.

---
 .../ScriptEngine/LSOEngine/LSO/LSO_Struct.cs       | 143 +++++++++++++++++++++
 1 file changed, 143 insertions(+)
 create mode 100644 OpenSim/Region/ScriptEngine/LSOEngine/LSO/LSO_Struct.cs

(limited to 'OpenSim/Region/ScriptEngine/LSOEngine/LSO/LSO_Struct.cs')

diff --git a/OpenSim/Region/ScriptEngine/LSOEngine/LSO/LSO_Struct.cs b/OpenSim/Region/ScriptEngine/LSOEngine/LSO/LSO_Struct.cs
new file mode 100644
index 0000000..915280c
--- /dev/null
+++ b/OpenSim/Region/ScriptEngine/LSOEngine/LSO/LSO_Struct.cs
@@ -0,0 +1,143 @@
+/*
+* Copyright (c) Contributors, http://opensimulator.org/
+* See CONTRIBUTORS.TXT for a full list of copyright holders.
+*
+* Redistribution and use in source and binary forms, with or without
+* modification, are permitted provided that the following conditions are met:
+*     * Redistributions of source code must retain the above copyright
+*       notice, this list of conditions and the following disclaimer.
+*     * Redistributions in binary form must reproduce the above copyright
+*       notice, this list of conditions and the following disclaimer in the
+*       documentation and/or other materials provided with the distribution.
+*     * Neither the name of the OpenSim Project nor the
+*       names of its contributors may be used to endorse or promote products
+*       derived from this software without specific prior written permission.
+*
+* THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS AND ANY
+* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+* DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY
+* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+* 
+*/
+/* Original code: Tedd Hansen */
+
+using System;
+using System.Collections;
+using System.Collections.Generic;
+
+namespace OpenSim.Region.ScriptEngine.LSOEngine.LSO
+{
+    internal static class LSO_Struct
+    {
+        public struct Header
+        {
+            public UInt32 TM;
+            public UInt32 IP;
+            public UInt32 VN;
+            public UInt32 BP;
+            public UInt32 SP;
+            public UInt32 HR;
+            public UInt32 HP;
+            public UInt32 CS;
+            public UInt32 NS;
+            public UInt32 CE;
+            public UInt32 IE;
+            public UInt32 ER;
+            public UInt32 FR;
+            public UInt32 SLR;
+            public UInt32 GVR;
+            public UInt32 GFR;
+            public UInt32 PR;
+            public UInt32 ESR;
+            public UInt32 SR;
+            public UInt64 NCE;
+            public UInt64 NIE;
+            public UInt64 NER;
+        }
+
+        public struct StaticBlock
+        {
+            public UInt32 Static_Chunk_Header_Size;
+            public byte ObjectType;
+            public byte Unknown;
+            public byte[] BlockVariable;
+        }
+
+        /* Not actually a structure
+        public struct StaticBlockVariable
+        {
+            public UInt32 Integer1;
+            public UInt32 Float1;
+            public UInt32 HeapPointer_String;
+            public UInt32 HeapPointer_Key;
+            public byte[] Vector_12;
+            public byte[] Rotation_16;
+            public UInt32 Pointer_List_Structure;
+        } */
+
+        public struct HeapBlock
+        {
+            public Int32 DataBlockSize;
+            public byte ObjectType;
+            public UInt16 ReferenceCount;
+            public byte[] Data;
+        }
+
+        public struct StateFrameBlock
+        {
+            public UInt32 StateCount;
+            public StatePointerBlock[] StatePointer;
+        }
+
+        public struct StatePointerBlock
+        {
+            public UInt32 Location;
+            public BitArray EventMask;
+            public StateBlock StateBlock;
+        }
+
+        public struct StateBlock
+        {
+            public UInt32 StartPos;
+            public UInt32 EndPos;
+            public UInt32 HeaderSize;
+            public byte Unknown;
+            public StateBlockHandler[] StateBlockHandlers;
+        }
+
+        public struct StateBlockHandler
+        {
+            public UInt32 CodeChunkPointer;
+            public UInt32 CallFrameSize;
+        }
+
+        public struct FunctionBlock
+        {
+            public UInt32 FunctionCount;
+            public UInt32[] CodeChunkPointer;
+        }
+
+        public struct CodeChunk
+        {
+            public UInt32 CodeChunkHeaderSize;
+            public string Comment;
+            public List<CodeChunkArgument> CodeChunkArguments;
+            public byte EndMarker;
+            public byte ReturnTypePos;
+            public StaticBlock ReturnType;
+        }
+
+        public struct CodeChunkArgument
+        {
+            public byte FunctionReturnTypePos;
+            public byte NullString;
+            public StaticBlock FunctionReturnType;
+        }
+    }
+}
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