100 lines
2.8 KiB
C#
100 lines
2.8 KiB
C#
#region Copyright & License Information
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/*
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* Copyright 2007-2010 The OpenRA Developers (see AUTHORS)
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* This file is part of OpenRA, which is free software. It is made
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* available to you under the terms of the GNU General Public License
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* as published by the Free Software Foundation. For more information,
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* see LICENSE.
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*/
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#endregion
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using System;
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using System.Collections.Generic;
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using System.Linq;
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using OpenRA.FileFormats;
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using OpenRA.Traits;
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namespace OpenRA
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{
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public class ActorInfo
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{
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public readonly string Name;
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public readonly TypeDictionary Traits = new TypeDictionary();
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public ActorInfo( string name, MiniYaml node, Dictionary<string, MiniYaml> allUnits )
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{
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var mergedNode = MergeWithParent( node, allUnits ).NodesDict;
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Name = name;
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foreach( var t in mergedNode )
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if( t.Key != "Inherits" && !t.Key.StartsWith("-") )
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Traits.Add( LoadTraitInfo( t.Key.Split('@')[0], t.Value ) );
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}
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static MiniYaml GetParent( MiniYaml node, Dictionary<string, MiniYaml> allUnits )
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{
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MiniYaml inherits;
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node.NodesDict.TryGetValue( "Inherits", out inherits );
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if( inherits == null || string.IsNullOrEmpty( inherits.Value ) )
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return null;
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MiniYaml parent;
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allUnits.TryGetValue( inherits.Value, out parent );
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if( parent == null )
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return null;
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return parent;
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}
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static MiniYaml MergeWithParent( MiniYaml node, Dictionary<string, MiniYaml> allUnits )
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{
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var parent = GetParent( node, allUnits );
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if( parent != null )
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return MiniYaml.Merge( node, MergeWithParent( parent, allUnits ) );
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return node;
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}
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static ITraitInfo LoadTraitInfo(string traitName, MiniYaml my)
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{
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var info = Game.CreateObject<ITraitInfo>(traitName + "Info");
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FieldLoader.Load(info, my);
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return info;
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}
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public IEnumerable<ITraitInfo> TraitsInConstructOrder()
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{
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var ret = new List<ITraitInfo>();
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var t = Traits.WithInterface<ITraitInfo>().ToList();
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int index = 0;
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while( t.Count != 0 )
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{
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if( index >= t.Count )
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throw new InvalidOperationException( "Trait prerequisites not satisfied (or prerequisite loop) Actor={0} Unresolved={1}".F(
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Name, string.Join( ",", t.Select( x => x.GetType().Name ).ToArray())));
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var prereqs = PrerequisitesOf( t[ index ] );
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if( prereqs.Count == 0 || prereqs.All( n => ret.Any( x => x.GetType() == n || x.GetType().IsSubclassOf( n ) ) ) )
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{
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ret.Add( t[ index ] );
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t.RemoveAt( index );
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index = 0;
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}
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else
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++index;
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}
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return ret;
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}
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static List<Type> PrerequisitesOf( ITraitInfo info )
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{
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return info
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.GetType()
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.GetInterfaces()
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.Where( t => t.IsGenericType && t.GetGenericTypeDefinition() == typeof( ITraitPrerequisite<> ) )
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.Select( t => t.GetGenericArguments()[ 0 ] )
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.ToList();
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}
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}
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}
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