Added block placement in sim and ECS object tracking
ECS objects are stored in a newly created weak dictionary so that events can be called on them and possibly other things can be done with them
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aa947eaba1
commit
8a03277d84
4 changed files with 180 additions and 10 deletions
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@ -45,10 +45,12 @@ namespace TechbloxModdingAPI
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/// <param name="position">The block's position - default block size is 0.2</param>
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/// <param name="autoWire">Whether the block should be auto-wired (if functional)</param>
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/// <param name="player">The player who placed the block</param>
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/// <param name="force"></param>
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/// <returns>The placed block or null if failed</returns>
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public static Block PlaceNew(BlockIDs block, float3 position, bool autoWire = false, Player player = null)
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public static Block PlaceNew(BlockIDs block, float3 position, bool autoWire = false, Player player = null,
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bool force = false)
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{
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if (PlacementEngine.IsInGame && GameState.IsBuildMode())
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if (PlacementEngine.IsInGame && (GameState.IsBuildMode() || force))
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{
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var initializer = PlacementEngine.PlaceBlock(block, position, player, autoWire);
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var egid = initializer.EGID;
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@ -140,9 +142,10 @@ namespace TechbloxModdingAPI
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/// <param name="position">The block's position (a block is 0.2 wide in terms of position)</param>
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/// <param name="autoWire">Whether the block should be auto-wired (if functional)</param>
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/// <param name="player">The player who placed the block</param>
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public Block(BlockIDs type, float3 position, bool autoWire = false, Player player = null)
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/// <param name="force">Place even if not in build mode</param>
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public Block(BlockIDs type, float3 position, bool autoWire = false, Player player = null, bool force = false)
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{
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if (!PlacementEngine.IsInGame || !GameState.IsBuildMode())
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if (!PlacementEngine.IsInGame || !GameState.IsBuildMode() && !force)
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throw new BlockException("Blocks can only be placed in build mode.");
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var initializer = PlacementEngine.PlaceBlock(type, position, player, autoWire);
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Id = initializer.EGID;
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@ -1,18 +1,45 @@
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using System;
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using System.Collections.Generic;
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using System.Linq.Expressions;
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using Svelto.DataStructures;
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using Svelto.ECS;
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using Svelto.ECS.Internal;
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using TechbloxModdingAPI.Blocks;
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using TechbloxModdingAPI.Utility;
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namespace TechbloxModdingAPI
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{
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public abstract class EcsObjectBase
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{
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public abstract EGID Id { get; } //Abstract to support the 'place' Block constructor
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private static readonly Dictionary<Type, WeakDictionary<EGID, EcsObjectBase>> _instances =
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new Dictionary<Type, WeakDictionary<EGID, EcsObjectBase>>();
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private static readonly WeakDictionary<EGID, EcsObjectBase> _noInstance =
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new WeakDictionary<EGID, EcsObjectBase>();
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internal static WeakDictionary<EGID, EcsObjectBase> GetInstances(Type type)
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{
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return _instances.TryGetValue(type, out var dict) ? dict : null;
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}
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protected EcsObjectBase()
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{
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if (!_instances.TryGetValue(GetType(), out var dict))
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{
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dict = new WeakDictionary<EGID, EcsObjectBase>();
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_instances.Add(GetType(), dict);
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}
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// ReSharper disable once VirtualMemberCallInConstructor
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// The ID should not depend on the constructor
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dict.Add(Id, this);
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}
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#region ECS initializer stuff
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protected internal EcsInitData InitData;
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/// <summary>
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/// Holds information needed to construct a component initializer
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/// </summary>
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@ -22,7 +49,7 @@ namespace TechbloxModdingAPI
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private EntityReference reference;
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public static implicit operator EcsInitData(EntityInitializer initializer) => new EcsInitData
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{group = GetInitGroup(initializer), reference = initializer.reference};
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{ group = GetInitGroup(initializer), reference = initializer.reference };
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public EntityInitializer Initializer(EGID id) => new EntityInitializer(id, group, reference);
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public bool Valid => group != null;
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@ -56,8 +83,10 @@ namespace TechbloxModdingAPI
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returnExpr = Expression.ConvertChecked(memberExpr, invokeMethod.ReturnType);
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var lambda =
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Expression.Lambda<TDelegate>(returnExpr, $"Access{paramType.Name}_{memberName}", new[] {objParam});
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Expression.Lambda<TDelegate>(returnExpr, $"Access{paramType.Name}_{memberName}", new[] { objParam });
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return lambda.Compile();
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}
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#endregion
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}
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}
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@ -91,7 +91,7 @@ namespace TechbloxModdingAPI.Tests
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.Description("Place a block of aluminium at the given coordinates")
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.Action((float x, float y, float z) =>
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{
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var block = Block.PlaceNew(BlockIDs.Cube, new float3(x, y, z));
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var block = Block.PlaceNew(BlockIDs.Cube, new float3(x, y, z), force: true);
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Logging.CommandLog("Block placed with type: " + block.Type);
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})
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.Build();
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138
TechbloxModdingAPI/Utility/WeakDictionary.cs
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138
TechbloxModdingAPI/Utility/WeakDictionary.cs
Normal file
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@ -0,0 +1,138 @@
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using System;
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using System.Collections;
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using System.Collections.Generic;
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using System.Linq;
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namespace TechbloxModdingAPI.Utility
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{
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public class WeakDictionary<TKey, TValue> : IDictionary<TKey, TValue> where TValue : class
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{
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private Dictionary<TKey, WeakReference<TValue>> _dictionary = new Dictionary<TKey, WeakReference<TValue>>();
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public IEnumerator<KeyValuePair<TKey, TValue>> GetEnumerator()
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{
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using var enumerator = _dictionary.GetEnumerator();
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while (enumerator.MoveNext())
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{
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if (enumerator.Current.Value.TryGetTarget(out var value))
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yield return new KeyValuePair<TKey, TValue>(enumerator.Current.Key, value);
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}
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}
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IEnumerator IEnumerable.GetEnumerator()
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{
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return GetEnumerator();
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}
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public void Add(KeyValuePair<TKey, TValue> item)
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{
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Add(item.Key, item.Value);
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}
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public void Clear()
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{
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_dictionary.Clear();
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}
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public bool Contains(KeyValuePair<TKey, TValue> item)
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{
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return TryGetValue(item.Key, out var value) && item.Value == value;
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}
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public void CopyTo(KeyValuePair<TKey, TValue>[] array, int arrayIndex)
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{
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throw new System.NotImplementedException();
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}
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public bool Remove(KeyValuePair<TKey, TValue> item)
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{
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return Contains(item) && Remove(item.Key);
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}
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public int Count => _dictionary.Count;
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public bool IsReadOnly => false;
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public bool ContainsKey(TKey key)
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{
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return _dictionary.ContainsKey(key);
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}
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public void Add(TKey key, TValue value)
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{
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_dictionary.Add(key, new WeakReference<TValue>(value));
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}
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public bool Remove(TKey key)
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{
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return _dictionary.Remove(key);
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}
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public bool TryGetValue(TKey key, out TValue value)
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{
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value = null;
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return _dictionary.TryGetValue(key, out var reference) && reference.TryGetTarget(out value);
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}
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public TValue this[TKey key]
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{
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get => TryGetValue(key, out var value)
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? value
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: throw new KeyNotFoundException($"Key {key} not found in WeakDictionary.");
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set => _dictionary[key] = new WeakReference<TValue>(value);
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}
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public ICollection<TKey> Keys => _dictionary.Keys;
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public ICollection<TValue> Values => new ValueCollection(this);
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public class ValueCollection : ICollection<TValue>, IReadOnlyCollection<TValue>
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{
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private WeakDictionary<TKey, TValue> _dictionary;
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internal ValueCollection(WeakDictionary<TKey, TValue> dictionary)
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{
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_dictionary = dictionary;
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}
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public IEnumerator<TValue> GetEnumerator()
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{
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using var enumerator = _dictionary.GetEnumerator();
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while (enumerator.MoveNext())
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{
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yield return enumerator.Current.Value;
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}
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}
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IEnumerator IEnumerable.GetEnumerator()
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{
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return GetEnumerator();
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}
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public void Add(TValue item)
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{
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throw new NotSupportedException("The value collection is read only.");
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}
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public void Clear()
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{
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throw new NotSupportedException("The value collection is read only.");
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}
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public bool Contains(TValue item)
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{
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return _dictionary.Any(kv => kv.Value == item);
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}
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public void CopyTo(TValue[] array, int arrayIndex)
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{
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throw new NotImplementedException();
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}
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public bool Remove(TValue item)
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{
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throw new NotSupportedException("The value collection is read only.");
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}
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public int Count => _dictionary.Count;
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public bool IsReadOnly => true;
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}
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}
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}
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