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

@@ -1,5 +1,8 @@
-namespace MoonTools.ECS;
+using System;
+using System.Collections.Generic;
 
+namespace MoonTools.ECS
+{
 	internal class ComponentDepot
 	{
 		private Dictionary<Type, ComponentStorage> storages = new Dictionary<Type, ComponentStorage>();
@@ -257,3 +260,4 @@ internal class ComponentDepot
 		}
 #endif
 	}
+}

src/ComponentStorage.cs

@@ -1,5 +1,8 @@
-namespace MoonTools.ECS;
+using System;
+using System.Collections.Generic;
 
+namespace MoonTools.ECS
+{
 	internal abstract class ComponentStorage
 	{
 		public abstract bool Has(int entityID);
@@ -104,3 +107,4 @@ 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

@@ -1,5 +1,7 @@
-namespace MoonTools.ECS;
+using System;
 
+namespace MoonTools.ECS
+{
 	public struct Entity : IEquatable<Entity>
 	{
 		public int ID { get; }
@@ -24,3 +26,4 @@ public struct Entity : IEquatable<Entity>
 			return ID == other.ID;
 		}
 	}
+}

src/EntityComponentReader.cs

@@ -1,5 +1,8 @@
-namespace MoonTools.ECS;
+using System;
+using System.Collections.Generic;
 
+namespace MoonTools.ECS
+{
 	public abstract class EntityComponentReader
 	{
 		internal EntityStorage EntityStorage;
@@ -77,3 +80,4 @@ public abstract class EntityComponentReader
 			return RelationDepot.RelatedToB<TRelationKind>(entity.ID);
 		}
 	}
+}

src/EntityStorage.cs

@@ -1,5 +1,5 @@
-namespace MoonTools.ECS;
-
+namespace MoonTools.ECS
+{
 	internal class EntityStorage
 	{
 		public IDStorage idStorage = new IDStorage();
@@ -19,3 +19,4 @@ internal class EntityStorage
 			idStorage.Release(entity.ID);
 		}
 	}
+}

src/Filter.cs

@@ -1,5 +1,8 @@
-namespace MoonTools.ECS;
+using System;
+using System.Collections.Generic;
 
+namespace MoonTools.ECS
+{
 	public class Filter
 	{
 		internal FilterSignature Signature;
@@ -18,3 +21,4 @@ public class Filter
 		public int Count => ComponentDepot.FilterCount(this);
 		public bool Empty => Count == 0;
 	}
+}

src/FilterBuilder.cs

@@ -1,5 +1,8 @@
-namespace MoonTools.ECS;
+using System;
+using System.Collections.Generic;
 
+namespace MoonTools.ECS
+{
 	public struct FilterBuilder
 	{
 		private ComponentDepot ComponentDepot;
@@ -39,3 +42,4 @@ public struct FilterBuilder
 			return ComponentDepot.CreateFilter(Included, Excluded);
 		}
 	}
+}

src/FilterSignature.cs

@@ -1,5 +1,8 @@
-namespace MoonTools.ECS;
+using System;
+using System.Collections.Generic;
 
+namespace MoonTools.ECS
+{
 	public struct FilterSignature
 	{
 		private const int HASH_FACTOR = 97;
@@ -45,3 +48,4 @@ public struct FilterSignature
 			return result;
 		}
 	}
+}

src/IDStorage.cs

@@ -1,5 +1,7 @@
-namespace MoonTools.ECS;
+using System.Collections.Generic;
 
+namespace MoonTools.ECS
+{
 	internal class IDStorage
 	{
 		private int nextID = 0;
@@ -34,3 +36,4 @@ internal class IDStorage
 			availableIDHash.Add(id);
 		}
 	}
+}

src/IHasEntity.cs

@@ -1,6 +1,7 @@
-namespace MoonTools.ECS;
-
+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

@@ -1,5 +1,8 @@
-namespace MoonTools.ECS;
+using System;
+using System.Collections.Generic;
 
+namespace MoonTools.ECS
+{
 	internal class MessageDepot
 	{
 		private Dictionary<Type, MessageStorage> storages = new Dictionary<Type, MessageStorage>();
@@ -57,3 +60,4 @@ internal class MessageDepot
 			}
 		}
 	}
+}

src/MessageStorage.cs

@@ -1,5 +1,8 @@
-namespace MoonTools.ECS;
+using System;
+using System.Collections.Generic;
 
+namespace MoonTools.ECS
+{
 	internal abstract class MessageStorage
 	{
 		public abstract void Clear();
@@ -85,3 +88,4 @@ internal class MessageStorage<TMessage> : MessageStorage where TMessage : struct
 			}
 		}
 	}
+}

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

@@ -1,5 +1,5 @@
-namespace MoonTools.ECS;
-
+namespace MoonTools.ECS
+{
 	public abstract class Renderer : EntityComponentReader
 	{
 		public Renderer(World world)
@@ -7,3 +7,4 @@ public abstract class Renderer : EntityComponentReader
 			world.AddRenderer(this);
 		}
 	}
+}

src/System.cs

@@ -1,5 +1,8 @@
-namespace MoonTools.ECS;
+using System;
+using System.Collections.Generic;
 
+namespace MoonTools.ECS
+{
 	public abstract class System : EntityComponentReader
 	{
 		internal MessageDepot MessageDepot;
@@ -90,3 +93,4 @@ public abstract class System : EntityComponentReader
 			EntityStorage.Destroy(entity);
 		}
 	}
+}

src/World.cs

@@ -1,5 +1,5 @@
-namespace MoonTools.ECS;
-
+namespace MoonTools.ECS
+{
 	public class World
 	{
 		private readonly EntityStorage EntityStorage = new EntityStorage();
@@ -47,3 +47,4 @@ public class World
 			MessageDepot.Clear();
 		}
 	}
+}