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add experimental script engine XMRengine donated by mrieker (DreamNation) And our Melanie. ***DANGER*** ***TESTONLY*** ***disable HG*** dont leave running when not looking... tp/crossing to Xengine will reset scripts. i do see a few issues but should be testable, so we can decide if we should invest more on it.
This commit is contained in:
250
OpenSim/Region/ScriptEngine/XMREngine/MMRScriptConsts.cs
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250
OpenSim/Region/ScriptEngine/XMREngine/MMRScriptConsts.cs
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/*
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* Copyright (c) Contributors, http://opensimulator.org/
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* See CONTRIBUTORS.TXT for a full list of copyright holders.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* * Neither the name of the OpenSimulator Project nor the
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* names of its contributors may be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY
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* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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using System;
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using System.Collections.Generic;
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using System.Reflection;
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using System.Text;
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using LSL_Float = OpenSim.Region.ScriptEngine.Shared.LSL_Types.LSLFloat;
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using LSL_Integer = OpenSim.Region.ScriptEngine.Shared.LSL_Types.LSLInteger;
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using LSL_Key = OpenSim.Region.ScriptEngine.Shared.LSL_Types.LSLString;
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using LSL_List = OpenSim.Region.ScriptEngine.Shared.LSL_Types.list;
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using LSL_Rotation = OpenSim.Region.ScriptEngine.Shared.LSL_Types.Quaternion;
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using LSL_String = OpenSim.Region.ScriptEngine.Shared.LSL_Types.LSLString;
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using LSL_Vector = OpenSim.Region.ScriptEngine.Shared.LSL_Types.Vector3;
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namespace OpenSim.Region.ScriptEngine.XMREngine {
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public class ScriptConst {
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public static Dictionary<string, ScriptConst> scriptConstants = Init ();
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/**
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* @brief look up the value of a given built-in constant.
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* @param name = name of constant
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* @returns null: no constant by that name defined
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* else: pointer to ScriptConst struct
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*/
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public static ScriptConst Lookup (string name)
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{
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ScriptConst sc;
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if (!scriptConstants.TryGetValue (name, out sc)) sc = null;
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return sc;
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}
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private static Dictionary<string, ScriptConst> Init ()
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{
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Dictionary<string, ScriptConst> sc = new Dictionary<string, ScriptConst> ();
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/*
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* For every event code, define XMREVENTCODE_<eventname> and XMREVENTMASKn_<eventname> symbols.
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*/
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for (int i = 0; i < 64; i ++) {
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try {
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string s = ((ScriptEventCode)i).ToString ();
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if ((s.Length > 0) && (s[0] >= 'a') && (s[0] <= 'z')) {
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new ScriptConst (sc,
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"XMREVENTCODE_" + s,
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new CompValuInteger (new TokenTypeInt (null), i));
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int n = i / 32 + 1;
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int m = 1 << (i % 32);
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new ScriptConst (sc,
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"XMREVENTMASK" + n + "_" + s,
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new CompValuInteger (new TokenTypeInt (null), m));
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}
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} catch { }
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}
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/*
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* Also get all the constants from XMRInstAbstract and ScriptBaseClass etc as well.
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*/
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for (Type t = typeof (XMRInstAbstract); t != typeof (object); t = t.BaseType) {
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AddInterfaceConstants (sc, t.GetFields ());
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}
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return sc;
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}
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/**
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* @brief Add all constants defined by the given interface.
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*/
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// this one accepts only upper-case named fields
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public static void AddInterfaceConstants (Dictionary<string, ScriptConst> sc, FieldInfo[] allFields)
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{
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List<FieldInfo> ucfs = new List<FieldInfo> (allFields.Length);
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foreach (FieldInfo f in allFields) {
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string fieldName = f.Name;
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int i;
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for (i = fieldName.Length; -- i >= 0;) {
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if ("ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789_".IndexOf (fieldName[i]) < 0) break;
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}
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if (i < 0) ucfs.Add (f);
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}
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AddInterfaceConstants (sc, ucfs.GetEnumerator ());
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}
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// this one accepts all fields given to it
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public static void AddInterfaceConstants (Dictionary<string, ScriptConst> sc, IEnumerator<FieldInfo> fields)
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{
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if (sc == null) sc = scriptConstants;
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for (fields.Reset (); fields.MoveNext ();) {
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FieldInfo constField = fields.Current;
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Type fieldType = constField.FieldType;
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CompValu cv;
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/*
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* The location of a simple number is the number itself.
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* Access to the value gets compiled as an ldc instruction.
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*/
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if (fieldType == typeof (double)) {
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cv = new CompValuFloat (new TokenTypeFloat (null),
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(double)(double)constField.GetValue (null));
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} else if (fieldType == typeof (int)) {
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cv = new CompValuInteger (new TokenTypeInt (null),
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(int)constField.GetValue (null));
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} else if (fieldType == typeof (LSL_Integer)) {
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cv = new CompValuInteger (new TokenTypeInt (null),
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((LSL_Integer)constField.GetValue (null)).value);
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}
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/*
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* The location of a string is the string itself.
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* Access to the value gets compiled as an ldstr instruction.
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*/
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else if (fieldType == typeof (string)) {
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cv = new CompValuString (new TokenTypeStr (null),
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(string)constField.GetValue (null));
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} else if (fieldType == typeof (LSL_String)) {
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cv = new CompValuString (new TokenTypeStr (null),
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(string)(LSL_String)constField.GetValue (null));
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}
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/*
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* The location of everything else (objects) is the static field in the interface definition.
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* Access to the value gets compiled as an ldsfld instruction.
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*/
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else {
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cv = new CompValuSField (TokenType.FromSysType (null, fieldType), constField);
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}
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/*
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* Add to dictionary.
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*/
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new ScriptConst (sc, constField.Name, cv);
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}
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}
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/**
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* @brief Add arbitrary constant available to script compilation.
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* CAUTION: These values get compiled-in to a script and must not
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* change over time as previously compiled scripts will
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* still have the old values.
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*/
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public static ScriptConst AddConstant (string name, object value)
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{
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CompValu cv = null;
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if (value is char) {
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cv = new CompValuChar (new TokenTypeChar (null), (char)value);
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}
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if (value is double) {
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cv = new CompValuFloat (new TokenTypeFloat (null), (double)(double)value);
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}
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if (value is float) {
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cv = new CompValuFloat (new TokenTypeFloat (null), (double)(float)value);
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}
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if (value is int) {
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cv = new CompValuInteger (new TokenTypeInt (null), (int)value);
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}
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if (value is string) {
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cv = new CompValuString (new TokenTypeStr (null), (string)value);
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}
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if (value is LSL_Float) {
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cv = new CompValuFloat (new TokenTypeFloat (null), (double)((LSL_Float)value).value);
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}
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if (value is LSL_Integer) {
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cv = new CompValuInteger (new TokenTypeInt (null), ((LSL_Integer)value).value);
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}
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if (value is LSL_Rotation) {
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LSL_Rotation r = (LSL_Rotation)value;
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CompValu x = new CompValuFloat (new TokenTypeFloat (null), r.x);
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CompValu y = new CompValuFloat (new TokenTypeFloat (null), r.y);
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CompValu z = new CompValuFloat (new TokenTypeFloat (null), r.z);
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CompValu s = new CompValuFloat (new TokenTypeFloat (null), r.s);
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cv = new CompValuRot (new TokenTypeRot (null), x, y, z, s);
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}
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if (value is LSL_String) {
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cv = new CompValuString (new TokenTypeStr (null), (string)(LSL_String)value);
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}
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if (value is LSL_Vector) {
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LSL_Vector v = (LSL_Vector)value;
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CompValu x = new CompValuFloat (new TokenTypeFloat (null), v.x);
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CompValu y = new CompValuFloat (new TokenTypeFloat (null), v.y);
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CompValu z = new CompValuFloat (new TokenTypeFloat (null), v.z);
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cv = new CompValuVec (new TokenTypeVec (null), x, y, z);
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}
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if (value is OpenMetaverse.Quaternion) {
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OpenMetaverse.Quaternion r = (OpenMetaverse.Quaternion)value;
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CompValu x = new CompValuFloat (new TokenTypeFloat (null), r.X);
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CompValu y = new CompValuFloat (new TokenTypeFloat (null), r.Y);
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CompValu z = new CompValuFloat (new TokenTypeFloat (null), r.Z);
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CompValu s = new CompValuFloat (new TokenTypeFloat (null), r.W);
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cv = new CompValuRot (new TokenTypeRot (null), x, y, z, s);
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}
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if (value is OpenMetaverse.UUID) {
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cv = new CompValuString (new TokenTypeKey (null), value.ToString ());
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}
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if (value is OpenMetaverse.Vector3) {
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OpenMetaverse.Vector3 v = (OpenMetaverse.Vector3)value;
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CompValu x = new CompValuFloat (new TokenTypeFloat (null), v.X);
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CompValu y = new CompValuFloat (new TokenTypeFloat (null), v.Y);
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CompValu z = new CompValuFloat (new TokenTypeFloat (null), v.Z);
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cv = new CompValuVec (new TokenTypeVec (null), x, y, z);
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}
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if (cv == null) throw new Exception ("bad type " + value.GetType ().Name);
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return new ScriptConst (scriptConstants, name, cv);
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}
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/*
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* Instance variables
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*/
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public string name;
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public CompValu rVal;
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private ScriptConst (Dictionary<string, ScriptConst> lc, string name, CompValu rVal)
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{
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lc.Add (name, this);
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this.name = name;
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this.rVal = rVal;
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}
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}
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}
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