remove implicit usings

MoonTools.ECS.csproj

@@ -2,7 +2,6 @@
 
   <PropertyGroup>
     <TargetFramework>net6.0</TargetFramework>
-    <ImplicitUsings>enable</ImplicitUsings>
     <Nullable>enable</Nullable>
   </PropertyGroup>
 

src/ComponentDepot.cs

@@ -1,7 +1,10 @@
-namespace MoonTools.ECS;
+using System;
+using System.Collections.Generic;
 
-internal class ComponentDepot
+namespace MoonTools.ECS
 {
+	internal class ComponentDepot
+	{
 		private Dictionary<Type, ComponentStorage> storages = new Dictionary<Type, ComponentStorage>();
 
 		private Dictionary<FilterSignature, IndexableSet<int>> filterSignatureToEntityIDs = new Dictionary<FilterSignature, IndexableSet<int>>();
@@ -10,18 +13,18 @@ internal class ComponentDepot
 
 		private Dictionary<int, HashSet<Type>> entityComponentMap = new Dictionary<int, HashSet<Type>>();
 
-	#if DEBUG
+#if DEBUG
 		private Dictionary<Type, Filter> singleComponentFilters = new Dictionary<Type, Filter>();
-	#endif
+#endif
 
 		internal void Register<TComponent>() where TComponent : struct
 		{
 			if (!storages.ContainsKey(typeof(TComponent)))
 			{
 				storages.Add(typeof(TComponent), new ComponentStorage<TComponent>());
-			#if DEBUG
+#if DEBUG
 				singleComponentFilters.Add(typeof(TComponent), CreateFilter(new HashSet<Type>() { typeof(TComponent) }, new HashSet<Type>()));
-			#endif
+#endif
 			}
 		}
 
@@ -228,7 +231,7 @@ internal class ComponentDepot
 			filterSignatureToEntityIDs[filterSignature].Add(entityID);
 		}
 
-	#if DEBUG
+#if DEBUG
 		public IEnumerable<object> Debug_GetAllComponents(int entityID)
 		{
 			foreach (var (type, storage) in storages)
@@ -255,5 +258,6 @@ internal class ComponentDepot
 				}
 			}
 		}
-	#endif
+#endif
+	}
 }

src/ComponentStorage.cs

@@ -1,15 +1,18 @@
-namespace MoonTools.ECS;
+using System;
+using System.Collections.Generic;
 
-internal abstract class ComponentStorage
+namespace MoonTools.ECS
 {
+	internal abstract class ComponentStorage
+	{
 		public abstract bool Has(int entityID);
 		public abstract void Remove(int entityID);
 		public abstract object Debug_Get(int entityID);
-}
+	}
 
-// FIXME: we can probably get rid of this weird entity storage system by using filters
-internal class ComponentStorage<TComponent> : ComponentStorage where TComponent : struct
-{
+	// FIXME: we can probably get rid of this weird entity storage system by using filters
+	internal class ComponentStorage<TComponent> : ComponentStorage where TComponent : struct
+	{
 		private int nextID;
 		private readonly Dictionary<int, int> entityIDToStorageIndex = new Dictionary<int, int>(16);
 		private int[] entityIDs = new int[16];
@@ -37,12 +40,12 @@ internal class ComponentStorage<TComponent> : ComponentStorage where TComponent
 
 		public ref readonly TComponent Get()
 		{
-		#if DEBUG
+#if DEBUG
 			if (nextID == 0)
 			{
 				throw new ArgumentOutOfRangeException("Component storage is empty!");
 			}
-		#endif
+#endif
 			return ref components[0];
 		}
 
@@ -103,4 +106,5 @@ internal class ComponentStorage<TComponent> : ComponentStorage where TComponent
 		{
 			return new Entity(entityIDs[0]);
 		}
+	}
 }

src/DebugSystem.cs

@@ -1,7 +1,10 @@
-// NOTE: these methods are very inefficient
+// NOTE: these methods are very inefficient
 // this class should only be used in debugging contexts!!
 
 #if DEBUG
+using System;
+using System.Collections.Generic;
+
 namespace MoonTools.ECS
 {
 	public abstract class DebugSystem : System

src/Entity.cs

@@ -1,7 +1,9 @@
-namespace MoonTools.ECS;
+using System;
 
-public struct Entity : IEquatable<Entity>
+namespace MoonTools.ECS
 {
+	public struct Entity : IEquatable<Entity>
+	{
 		public int ID { get; }
 
 		internal Entity(int id)
@@ -23,4 +25,5 @@ public struct Entity : IEquatable<Entity>
 		{
 			return ID == other.ID;
 		}
+	}
 }

src/EntityComponentReader.cs

@@ -1,7 +1,10 @@
-namespace MoonTools.ECS;
+using System;
+using System.Collections.Generic;
 
-public abstract class EntityComponentReader
+namespace MoonTools.ECS
 {
+	public abstract class EntityComponentReader
+	{
 		internal EntityStorage EntityStorage;
 		internal ComponentDepot ComponentDepot;
 		internal RelationDepot RelationDepot;
@@ -76,4 +79,5 @@ public abstract class EntityComponentReader
 		{
 			return RelationDepot.RelatedToB<TRelationKind>(entity.ID);
 		}
+	}
 }

src/EntityStorage.cs

@@ -1,7 +1,7 @@
-namespace MoonTools.ECS;
-
-internal class EntityStorage
+namespace MoonTools.ECS
 {
+	internal class EntityStorage
+	{
 		public IDStorage idStorage = new IDStorage();
 
 		public Entity Create()
@@ -18,4 +18,5 @@ internal class EntityStorage
 		{
 			idStorage.Release(entity.ID);
 		}
+	}
 }

src/Filter.cs

@@ -1,7 +1,10 @@
-namespace MoonTools.ECS;
+using System;
+using System.Collections.Generic;
 
-public class Filter
+namespace MoonTools.ECS
 {
+	public class Filter
+	{
 		internal FilterSignature Signature;
 		private ComponentDepot ComponentDepot;
 
@@ -17,4 +20,5 @@ public class Filter
 
 		public int Count => ComponentDepot.FilterCount(this);
 		public bool Empty => Count == 0;
+	}
 }

src/FilterBuilder.cs

@@ -1,7 +1,10 @@
-namespace MoonTools.ECS;
+using System;
+using System.Collections.Generic;
 
-public struct FilterBuilder
+namespace MoonTools.ECS
 {
+	public struct FilterBuilder
+	{
 		private ComponentDepot ComponentDepot;
 		private HashSet<Type> Included;
 		private HashSet<Type> Excluded;
@@ -38,4 +41,5 @@ public struct FilterBuilder
 		{
 			return ComponentDepot.CreateFilter(Included, Excluded);
 		}
+	}
 }

src/FilterSignature.cs

@@ -1,7 +1,10 @@
-namespace MoonTools.ECS;
+using System;
+using System.Collections.Generic;
 
-public struct FilterSignature
+namespace MoonTools.ECS
 {
+	public struct FilterSignature
+	{
 		private const int HASH_FACTOR = 97;
 
 		public HashSet<Type> Included;
@@ -44,4 +47,5 @@ public struct FilterSignature
 
 			return result;
 		}
+	}
 }

src/IDStorage.cs

@@ -1,7 +1,9 @@
-namespace MoonTools.ECS;
+using System.Collections.Generic;
 
-internal class IDStorage
+namespace MoonTools.ECS
 {
+	internal class IDStorage
+	{
 		private int nextID = 0;
 
 		private readonly Stack<int> availableIDs = new Stack<int>();
@@ -33,4 +35,5 @@ internal class IDStorage
 			availableIDs.Push(id);
 			availableIDHash.Add(id);
 		}
+	}
 }

src/IHasEntity.cs

@@ -1,6 +1,7 @@
-namespace MoonTools.ECS;
-
-public interface IHasEntity
+namespace MoonTools.ECS
 {
+	public interface IHasEntity
+	{
 		Entity Entity { get; }
+	}
 }

src/IndexableSet.cs

@@ -1,4 +1,6 @@
+using System;
 using System.Collections;
+using System.Collections.Generic;
 
 namespace MoonTools.ECS
 {

src/MessageDepot.cs

@@ -1,7 +1,10 @@
-namespace MoonTools.ECS;
+using System;
+using System.Collections.Generic;
 
-internal class MessageDepot
+namespace MoonTools.ECS
 {
+	internal class MessageDepot
+	{
 		private Dictionary<Type, MessageStorage> storages = new Dictionary<Type, MessageStorage>();
 
 		private MessageStorage<TMessage> Lookup<TMessage>() where TMessage : struct
@@ -56,4 +59,5 @@ internal class MessageDepot
 				storage.Clear();
 			}
 		}
+	}
 }

src/MessageStorage.cs

@@ -1,12 +1,15 @@
-namespace MoonTools.ECS;
+using System;
+using System.Collections.Generic;
 
-internal abstract class MessageStorage
+namespace MoonTools.ECS
 {
+	internal abstract class MessageStorage
+	{
 		public abstract void Clear();
-}
+	}
 
-internal class MessageStorage<TMessage> : MessageStorage where TMessage : struct
-{
+	internal class MessageStorage<TMessage> : MessageStorage where TMessage : struct
+	{
 		private int count = 0;
 		private int capacity = 128;
 		private TMessage[] messages;
@@ -84,4 +87,5 @@ internal class MessageStorage<TMessage> : MessageStorage where TMessage : struct
 				set.Clear();
 			}
 		}
+	}
 }

src/Random.cs

@@ -1,3 +1,6 @@
+using System;
+using System.Collections.Generic;
+
 namespace MoonTools.ECS
 {
 	internal static class RandomGenerator

src/Relation.cs

@@ -1,3 +1,5 @@
+using System;
+
 namespace MoonTools.ECS
 {
 	public struct Relation : IEquatable<Relation>

src/RelationDepot.cs

@@ -1,3 +1,6 @@
+using System;
+using System.Collections.Generic;
+
 namespace MoonTools.ECS
 {
 	internal class RelationDepot

src/RelationStorage.cs

@@ -1,3 +1,5 @@
+using System.Collections.Generic;
+
 namespace MoonTools.ECS
 {
 	internal class RelationStorage

src/Renderer.cs

@@ -1,9 +1,10 @@
-namespace MoonTools.ECS;
-
-public abstract class Renderer : EntityComponentReader
+namespace MoonTools.ECS
 {
+	public abstract class Renderer : EntityComponentReader
+	{
 		public Renderer(World world)
 		{
 			world.AddRenderer(this);
 		}
+	}
 }

src/System.cs

@@ -1,7 +1,10 @@
-namespace MoonTools.ECS;
+using System;
+using System.Collections.Generic;
 
-public abstract class System : EntityComponentReader
+namespace MoonTools.ECS
 {
+	public abstract class System : EntityComponentReader
+	{
 		internal MessageDepot MessageDepot;
 
 		internal void RegisterMessageDepot(MessageDepot messageDepot)
@@ -23,13 +26,13 @@ public abstract class System : EntityComponentReader
 
 		protected void Set<TComponent>(in Entity entity, in TComponent component) where TComponent : struct
 		{
-		#if DEBUG
+#if DEBUG
 			// check for use after destroy
 			if (!Exists(entity))
 			{
 				throw new ArgumentException("This entity is not valid!");
 			}
-		#endif
+#endif
 			ComponentDepot.Set<TComponent>(entity.ID, component);
 		}
 
@@ -89,4 +92,5 @@ public abstract class System : EntityComponentReader
 			RelationDepot.OnEntityDestroy(entity.ID);
 			EntityStorage.Destroy(entity);
 		}
+	}
 }

src/World.cs

@@ -1,7 +1,7 @@
-namespace MoonTools.ECS;
-
-public class World
+namespace MoonTools.ECS
 {
+	public class World
+	{
 		private readonly EntityStorage EntityStorage = new EntityStorage();
 		private readonly ComponentDepot ComponentDepot = new ComponentDepot();
 		private readonly MessageDepot MessageDepot = new MessageDepot();
@@ -46,4 +46,5 @@ public class World
 		{
 			MessageDepot.Clear();
 		}
+	}
 }