47df04632f
git-svn-id: http://libopenmetaverse.googlecode.com/svn/trunk@215 52acb1d6-8a22-11de-b505-999d5b087335
393 lines
17 KiB
C#
393 lines
17 KiB
C#
using System;
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using System.Text;
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using System.IO;
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using libsecondlife;
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namespace mapgenerator
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{
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class mapgenerator
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{
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static void WriteFieldMember(MapField field)
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{
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string type = "";
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switch (field.Type)
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{
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case FieldType.BOOL:
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type = "bool";
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break;
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case FieldType.F32:
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type = "float";
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break;
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case FieldType.F64:
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type = "double";
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break;
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case FieldType.IPPORT:
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case FieldType.U16:
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type = "ushort";
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break;
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case FieldType.IPADDR:
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case FieldType.U32:
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type = "uint";
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break;
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case FieldType.LLQuaternion:
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type = "LLQuaternion";
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break;
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case FieldType.LLUUID:
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type = "LLUUID";
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break;
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case FieldType.LLVector3:
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type = "LLVector3";
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break;
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case FieldType.LLVector3d:
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type = "LLVector3d";
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break;
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case FieldType.LLVector4:
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type = "LLVector4";
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break;
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case FieldType.S16:
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type = "short";
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break;
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case FieldType.S32:
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type = "int";
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break;
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case FieldType.S64:
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type = "long";
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break;
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case FieldType.S8:
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type = "sbyte";
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break;
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case FieldType.U64:
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type = "ulong";
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break;
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case FieldType.U8:
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type = "byte";
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break;
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case FieldType.Fixed:
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type = "byte[]";
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break;
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}
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if (field.Type != FieldType.Variable)
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{
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Console.WriteLine(" public " + type + " " + field.Name + ";");
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}
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else
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{
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Console.WriteLine(" private byte[] _" + field.Name.ToLower() + ";");
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Console.WriteLine(" public byte[] " + field.Name + "\n {");
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Console.WriteLine(" get { return _" + field.Name.ToLower() + "; }");
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Console.WriteLine(" set\n {");
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Console.WriteLine(" if (value == null) { _" +
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field.Name.ToLower() + " = null; return; }");
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Console.WriteLine(" if (value.Length > " +
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((field.Count == 1) ? "255" : "1024") + ") { throw new OverflowException(" +
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"\"Value exceeds " + ((field.Count == 1) ? "255" : "1024") + " characters\"); }");
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Console.WriteLine(" else { _" + field.Name.ToLower() +
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" = new byte[value.Length]; Array.Copy(value, _" +
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field.Name.ToLower() + ", value.Length); }");
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Console.WriteLine(" }\n }");
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}
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}
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static void WriteFieldFromBytes(MapField field)
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{
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switch (field.Type)
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{
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case FieldType.BOOL:
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Console.WriteLine(" " +
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field.Name + " = (bytes[i++] != 0) ? (bool)true : (bool)false;");
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break;
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case FieldType.F32:
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Console.WriteLine(" " +
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"if (!BitConverter.IsLittleEndian) Array.Reverse(bytes, i, 4);");
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Console.WriteLine(" " +
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field.Name + " = BitConverter.ToSingle(bytes, i); i += 4;");
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break;
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case FieldType.F64:
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Console.WriteLine(" " +
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"if (!BitConverter.IsLittleEndian) Array.Reverse(bytes, i, 8);");
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Console.WriteLine(" " +
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field.Name + " = BitConverter.ToDouble(bytes, i); i += 8;");
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break;
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case FieldType.Fixed:
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Console.WriteLine(" " + field.Name + " = new byte[" + field.Count + "];");
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Console.WriteLine(" Array.Copy(bytes, i, " + field.Name +
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", 0, " + field.Count + "); i += " + field.Count + ";");
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break;
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case FieldType.IPADDR:
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case FieldType.U32:
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Console.WriteLine(" " + field.Name +
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" = (uint)(bytes[i++] + (bytes[i++] << 8) + (bytes[i++] << 16) + (bytes[i++] << 24));");
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break;
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case FieldType.IPPORT:
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case FieldType.U16:
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Console.WriteLine(" " + field.Name +
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" = (ushort)(bytes[i++] + (bytes[i++] << 8));");
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break;
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case FieldType.LLQuaternion:
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Console.WriteLine(" " + field.Name +
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" = new LLQuaternion(bytes, i); i += 16;");
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break;
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case FieldType.LLUUID:
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Console.WriteLine(" " + field.Name +
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" = new LLUUID(bytes, i); i += 16;");
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break;
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case FieldType.LLVector3:
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Console.WriteLine(" " + field.Name +
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" = new LLVector3(bytes, i); i += 12;");
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break;
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case FieldType.LLVector3d:
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Console.WriteLine(" " + field.Name +
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" = new LLVector3d(bytes, i); i += 24;");
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break;
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case FieldType.LLVector4:
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Console.WriteLine(" " + field.Name +
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" = new LLVector4(bytes, i); i += 16;");
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break;
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case FieldType.S16:
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Console.WriteLine(" " + field.Name +
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" = (short)(bytes[i++] + (bytes[i++] << 8));");
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break;
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case FieldType.S32:
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Console.WriteLine(" " + field.Name +
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" = (int)(bytes[i++] + (bytes[i++] << 8) + (bytes[i++] << 16) + (bytes[i++] << 24));");
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break;
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case FieldType.S64:
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Console.WriteLine(" " + field.Name +
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" = (long)(bytes[i++] + (bytes[i++] << 8) + " +
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"(bytes[i++] << 16) + (bytes[i++] << 24) + " +
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"(bytes[i++] << 32) + (bytes[i++] << 40) + " +
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"(bytes[i++] << 48) + (bytes[i++] << 56));");
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break;
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case FieldType.S8:
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Console.WriteLine(" " + field.Name +
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" = (sbyte)bytes[i++];");
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break;
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case FieldType.U64:
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Console.WriteLine(" " + field.Name +
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" = (ulong)(bytes[i++] + (bytes[i++] << 8) + " +
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"(bytes[i++] << 16) + (bytes[i++] << 24) + " +
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"(bytes[i++] << 32) + (bytes[i++] << 40) + " +
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"(bytes[i++] << 48) + (bytes[i++] << 56));");
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break;
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case FieldType.U8:
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Console.WriteLine(" " + field.Name +
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" = (byte)bytes[i++];");
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break;
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case FieldType.Variable:
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if (field.Count == 1)
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{
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Console.WriteLine(" length = (ushort)bytes[i++];");
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}
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else
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{
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Console.WriteLine(" length = (ushort)(bytes[i++] + (bytes[i++] << 8));");
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}
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Console.WriteLine(" _" + field.Name.ToLower() + " = new byte[length];");
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Console.WriteLine(" Array.Copy(bytes, i, _" + field.Name.ToLower() +
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", 0, length); i += length;");
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break;
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}
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}
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static void WriteBlockClass(MapBlock block)
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{
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bool variableFields = false;
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Console.WriteLine(" public class " + block.Name + "Block\n {");
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foreach (MapField field in block.Fields)
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{
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WriteFieldMember(field);
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if (field.Type == FieldType.Variable) { variableFields = true; }
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}
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Console.WriteLine("");
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// Default constructor
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Console.WriteLine(" public " + block.Name + "Block() { }");
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//
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Console.WriteLine(" public " + block.Name + "Block(byte[] bytes, ref int i)" +
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"\n {");
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// Declare a length variable if we need it for variable fields in this constructor
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if (variableFields)
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{
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Console.WriteLine(" int length;");
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}
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Console.WriteLine(" try\n {");
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foreach (MapField field in block.Fields)
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{
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WriteFieldFromBytes(field);
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}
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Console.WriteLine(" }\n catch (Exception)\n" +
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" {\n throw new MalformedDataException();\n" +
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" }\n }\n");
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// FIXME: Write the ToBytes() function
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Console.WriteLine(" public byte[] ToBytes() { return null; }");
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Console.WriteLine(" }\n");
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}
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static void WritePacketClass(MapPacket packet)
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{
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Console.WriteLine(" class " + packet.Name + "Packet\n {");
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// Write out each block class
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foreach (MapBlock block in packet.Blocks)
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{
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WriteBlockClass(block);
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}
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// Header member
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Console.WriteLine(" public " + packet.Frequency.ToString() + "Header Header;");
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// PacketType member
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Console.WriteLine(" public PacketType Type { get { return Type; } set { Type = value; } }");
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// Block members
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foreach (MapBlock block in packet.Blocks)
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{
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Console.WriteLine(" public " + block.Name + "Block" +
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((block.Count != 1) ? "[]" : "") + " " + block.Name + ";");
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}
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Console.WriteLine("");
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// Default constructor
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Console.WriteLine(" " + packet.Name + "Packet()\n {");
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Console.WriteLine(" Type = PacketType." + packet.Name + ";");
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Console.WriteLine(" Header = new " + packet.Frequency.ToString() + "Header();");
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foreach (MapBlock block in packet.Blocks)
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{
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if (block.Count == 1)
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{
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// Single count block
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Console.WriteLine(" " + block.Name + " = new " + block.Name + "Block();");
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}
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else if (block.Count == -1)
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{
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// Variable count block
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Console.WriteLine(" " + block.Name + " = new " + block.Name + "Block[0];");
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}
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else
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{
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// Multiple count block
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Console.WriteLine(" " + block.Name + " = new " + block.Name +
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"Block[" + block.Count + "];");
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}
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}
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Console.WriteLine(" }\n");
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// Constructor that takes a byte array and beginning position only (no prebuilt header)
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bool seenVariable = false;
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Console.WriteLine(" " + packet.Name + "Packet(byte[] bytes, ref int i)\n {");
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Console.WriteLine(" Type = PacketType." + packet.Name + ";");
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Console.WriteLine(" int packetEnd = bytes.Length - 1;");
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Console.WriteLine(" Header = new " + packet.Frequency.ToString() +
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"Header(bytes, ref i, ref packetEnd);");
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foreach (MapBlock block in packet.Blocks)
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{
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if (block.Count == 1)
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{
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// Single count block
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Console.WriteLine(" " + block.Name + " = new " + block.Name + "Block(bytes, ref i);");
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}
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else if (block.Count == -1)
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{
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// Variable count block
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if (!seenVariable)
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{
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Console.WriteLine(" int count = (int)bytes[i++];");
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seenVariable = true;
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}
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else
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{
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Console.WriteLine(" count = (int)bytes[i++];");
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}
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Console.WriteLine(" for (int j = 0; j < count; j++)");
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Console.WriteLine(" { " + block.Name + "[j] = new " +
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block.Name + "Block(bytes, ref i); }");
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}
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else
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{
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// Multiple count block
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Console.WriteLine(" for (int j = 0; j < " + block.Count + "; j++)");
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Console.WriteLine(" { " + block.Name + "[j] = new " +
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block.Name + "Block(bytes, ref i); }");
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}
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}
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Console.WriteLine(" }\n");
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// Constructor that takes a byte array and a prebuilt header
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Console.WriteLine(" " + packet.Name + "Packet(" + packet.Frequency.ToString() +
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"Header header, byte[] bytes, ref int i)\n {");
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Console.WriteLine(" Type = PacketType." + packet.Name + ";");
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Console.WriteLine(" Header = header;");
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Console.WriteLine(" //FIXME");
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Console.WriteLine(" }\n");
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// ToBytes() function
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Console.WriteLine(" public byte[] ToBytes() { return null; }");
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// Closing bracket
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Console.WriteLine(" }\n");
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}
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static void Main(string[] args)
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{
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SecondLife libsl = new SecondLife("keywords.txt", "message_template.msg");
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TextReader reader = new StreamReader("template.cs");
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Console.WriteLine(reader.ReadToEnd());
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reader.Close();
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Console.WriteLine(" public enum PacketType\n {");
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foreach (MapPacket packet in libsl.Protocol.LowMaps)
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{
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if (packet != null)
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{
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Console.WriteLine(" " + packet.Name + ",");
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}
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}
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foreach (MapPacket packet in libsl.Protocol.MediumMaps)
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{
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if (packet != null)
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{
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Console.WriteLine(" " + packet.Name + ",");
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}
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}
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foreach (MapPacket packet in libsl.Protocol.HighMaps)
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{
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if (packet != null)
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{
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Console.WriteLine(" " + packet.Name + ",");
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}
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}
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Console.WriteLine(" }\n");
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foreach (MapPacket packet in libsl.Protocol.LowMaps)
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{
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if (packet != null) { WritePacketClass(packet); }
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}
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foreach (MapPacket packet in libsl.Protocol.MediumMaps)
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{
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if (packet != null) { WritePacketClass(packet); }
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}
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foreach (MapPacket packet in libsl.Protocol.HighMaps)
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{
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if (packet != null) { WritePacketClass(packet); }
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}
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Console.WriteLine("}");
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}
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}
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}
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