124 lines
3.7 KiB
C#
124 lines
3.7 KiB
C#
#region Copyright & License Information
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/*
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* Copyright 2007,2009,2010 Chris Forbes, Robert Pepperell, Matthew Bowra-Dean, Paul Chote, Alli Witheford.
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* This file is part of OpenRA.
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*
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* OpenRA is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* OpenRA is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with OpenRA. If not, see <http://www.gnu.org/licenses/>.
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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.GameRules
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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 string Category;
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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 ).Nodes;
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Name = name;
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MiniYaml categoryNode;
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if( mergedNode.TryGetValue( "Category", out categoryNode ) )
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Category = categoryNode.Value;
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foreach( var t in mergedNode )
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if( t.Key != "Inherits" && t.Key != "Category" && !t.Key.StartsWith("-") )
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Traits.Add( LoadTraitInfo( t.Key, 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.Nodes.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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if (traitName.Contains('@'))
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traitName = traitName.Substring(0, traitName.IndexOf('@'));
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foreach (var mod in Game.ModAssemblies)
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{
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var fullTypeName = mod.Second + "." + traitName + "Info";
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var info = (ITraitInfo)mod.First.CreateInstance(fullTypeName);
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if (info == null) continue;
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FieldLoader.Load(info, my);
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return info;
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}
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throw new InvalidOperationException("Cannot locate trait: {0}".F(traitName));
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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)" );
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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().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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