Refactor namespaces

- Rename `gaemstone.ECS` namespace inside
  of the main project to just `gaemstone`
- Rename `gaemstone.Flecs` to just `flecs`
- All built-in Flecs modules are now lower-case
- Add flecs.core.Observer tag
- Add flecs.system.System tag

src/Immersion/ManagedComponentTest.cs

@@ -1,4 +1,5 @@
 using System;
+using gaemstone;
 using gaemstone.ECS;
 using gaemstone.ECS.Utility;
 

src/Immersion/ObserverTest.cs

@@ -1,7 +1,7 @@
 using System;
-using gaemstone.ECS;
+using gaemstone;
+using static flecs.core;
 using static gaemstone.Bloxel.Components.CoreComponents;
-using static gaemstone.Flecs.Core;
 
 namespace Immersion;
 

src/Immersion/Program.cs

@@ -23,12 +23,12 @@ var universe = new Universe<Program>();
 var world    = universe.World;
 
 // TODO: Figure out a nice way to get rid of "compile errors" here.
-universe.Modules.Import<gaemstone.Flecs.Timer>();
-universe.Modules.Import<gaemstone.Flecs.Script>();
-universe.Modules.Import<gaemstone.Flecs.Rest>();
-universe.Modules.Import<gaemstone.Flecs.Monitor>();
-universe.Modules.Import<gaemstone.Flecs.Units>();
-universe.Modules.Import<gaemstone.Flecs.Metrics>();
+universe.Modules.Import<flecs.timer>();
+universe.Modules.Import<flecs.script>();
+universe.Modules.Import<flecs.rest>();
+universe.Modules.Import<flecs.monitor>();
+universe.Modules.Import<flecs.units>();
+universe.Modules.Import<flecs.metrics>();
 
 var window = Window.Create(WindowOptions.Default with {
 	Title = "gæmstone - Immersion",

src/gaemstone.Bloxel/Client/Systems/ChunkMeshGenerator.cs

@@ -43,7 +43,7 @@ public partial class ChunkMeshGenerator
 	public static void GenerateChunkMeshes<T>(
 		World<T> world, Canvas canvas,
 		Entity<T> entity, in Chunk chunk, ChunkStoreBlocks blocks,
-		Has<BasicWorldGenerationDone> _1, Not<Mesh, Flecs.Core.Wildcard> _2)
+		Has<BasicWorldGenerationDone> _1, Not<Mesh, flecs.core.Wildcard> _2)
 	{
 		var result = Generate(world, canvas.GL, chunk.Position, blocks);
 		if (result is MeshHandle handle) {

src/gaemstone.Client/Systems/EntityInspector.cs

@@ -4,7 +4,6 @@ using System.Linq;
 using System.Numerics;
 using gaemstone.Client.Utility;
 using gaemstone.ECS;
-using gaemstone.Flecs;
 using ImGuiNET;
 using static gaemstone.Client.Systems.ImGuiManager;
 using ImGuiInternal = ImGuiNET.Internal.ImGui;
@@ -20,7 +19,7 @@ public partial class EntityInspector
 	public struct InspectorWindow {  }
 
 	[Relation, Exclusive]
-	[Add<Core.OnDeleteTarget, Core.Delete>]
+	[Add<flecs.core.OnDeleteTarget, flecs.core.Delete>]
 	public struct Selected {  }
 
 	[Tag]
@@ -173,7 +172,7 @@ public partial class EntityInspector
 		if (!isOpen) window.Delete();
 	}
 
-	[Observer<Core.OnRemove>]
+	[Observer<flecs.core.OnRemove>]
 	public static void ClearStorageOnRemove<T>(Entity<T> _1, InspectorWindow _2)
 	{
 		// TODO: Clear out settings store for the window.
@@ -197,9 +196,9 @@ public partial class EntityInspector
 		ImGui.TableSetupColumn("Entity", ImGuiTableColumnFlags.WidthFixed);
 
 		ImGui.TableNextColumn();
-		var hasExpanded = window.Has<Expanded, Core.Wildcard>();
+		var hasExpanded = window.Has<Expanded, flecs.core.Wildcard>();
 		if (IconButtonWithToolTip(ForkAwesome.Outdent, "Collapse all items in the Explorer View", hasExpanded))
-			window.Remove<Expanded, Core.Wildcard>();
+			window.Remove<Expanded, flecs.core.Wildcard>();
 
 		if (history != null) {
 			var hasPrev = ((selected != null) ? history.Current?.Prev : history.Current) != null;
@@ -374,10 +373,10 @@ public partial class EntityInspector
 		// nullable, so let's be explicit about the type here.
 		var world = window.World;
 
-		var Wildcard = world.Entity<Core.Wildcard>().Value;
-		var Any      = world.Entity<Core.Any>().Value;
-		var This     = world.Entity<Core.This>().Value;
-		var Variable = world.Entity<Core.Variable>().Value;
+		var Wildcard = world.Entity<flecs.core.Wildcard>().Value;
+		var Any      = world.Entity<flecs.core.Any>().Value;
+		var This     = world.Entity<flecs.core.This>().Value;
+		var Variable = world.Entity<flecs.core.Variable>().Value;
 		bool IsSpecialEntity(Entity entity)
 			=> (entity == Wildcard) || (entity == Any)
 			|| (entity == This)     || (entity == Variable);
@@ -396,7 +395,7 @@ public partial class EntityInspector
 				for (var i = 0; i < iter.Count; i++) {
 					var entity = iter.Entity(i);
 					var count  = IsSpecialEntity(entity) ? 0
-						: world.Pair<Core.ChildOf>(entity).Count;
+						: world.Pair<flecs.core.ChildOf>(entity).Count;
 					result.Add(new ExplorerEntry<T>(entity, count, isExpanded, isDisabled));
 				}
 			}
@@ -480,7 +479,7 @@ public partial class EntityInspector
 	private static void ComponentsTab<T>(Entity<T> window, History? history, Entity<T>? sel)
 	{
 		if (sel is not Entity<T> selected) return;
-		var ChildOf = window.World.Entity<Core.ChildOf>();
+		var ChildOf = window.World.Entity<flecs.core.ChildOf>();
 		foreach (var id in selected.Type) {
 			// Hide ChildOf relations, as they are visible in the explorer.
 			if (id.IsPair && (id.Value.RelationUnsafe == ChildOf)) continue;
@@ -492,8 +491,8 @@ public partial class EntityInspector
 	{
 		if (sel is not Entity<T> selected) return;
 		var world    = window.World;
-		var ChildOf  = world.Entity<Core.ChildOf>();
-		var Wildcard = world.Entity<Core.Wildcard>();
+		var ChildOf  = world.Entity<flecs.core.ChildOf>();
+		var Wildcard = world.Entity<flecs.core.Wildcard>();
 
 		if (ImGui.CollapsingHeader($"As {ForkAwesome.Tag} Component", ImGuiTreeNodeFlags.DefaultOpen))
 			foreach (var iter in world.Term(new(selected)))
@@ -631,7 +630,7 @@ public partial class EntityInspector
 		bool scrollTo = true) // Should entity be scrolled to in the explorer view?
 	{
 		if (entity is Entity<T> e1) window.Add<Selected>(e1);
-		else window.Remove<Selected, Core.Wildcard>();
+		else window.Remove<Selected, flecs.core.Wildcard>();
 
 		for (var p = entity?.Parent; p is Entity<T> parent; p = parent.Parent)
 			window.Add<Expanded>(parent);
@@ -671,7 +670,7 @@ public partial class EntityInspector
 	private static (Entity<T>? DisplayType, float Priority) FindDisplayType<T>(Entity<T> entity)
 	{
 		var world = entity.World;
-		var component = world.Entity<Core.Component>();
+		var component = world.Entity<flecs.core.Component>();
 
 		var rule = (Rule<T>)(_findDisplayTypeRule ??= world.Rule(new(
 			$"$Type, gaemstone.Doc.DisplayType($Type)")));
@@ -682,8 +681,8 @@ public partial class EntityInspector
 		foreach (var iter in rule.Iter().SetVar(rule.ThisVar!, entity))
 			for (var i = 0; i < iter.Count; i++) {
 				var type = iter.GetVar(typeVar);
-				if ((type == component) && (entity.GetOrNull<Core.Component>(component)?.Size == 0))
-					type = world.Entity<Core.Tag>();
+				if ((type == component) && (entity.GetOrNull<flecs.core.Component>(component)?.Size == 0))
+					type = world.Entity<flecs.core.Tag>();
 				var priority = type?.GetOrNull<Priority>()?.Value ?? float.MaxValue;
 				if (priority <= curPriority) { curType = type; curPriority = priority; }
 			}
@@ -773,7 +772,7 @@ public partial class EntityInspector
 		if (isHeaderLike) pos.X += ImGui.GetStyle().FramePadding.X;
 		drawList.AddText(ImGui.GetFont(), ImGui.GetFontSize(), pos, color.RGBA, displayName);
 		if (!isHeaderLike && canClick && hovered) {
-			// Draw a hyperlink-link underscore.
+			// Draw a hyperlink-link undersflecs.core.
 			var p1 = pos + new Vector2(     0, size.Y - 1.75f);
 			var p2 = pos + new Vector2(size.X, size.Y - 1.75f);
 			if (docIcon != null) p1.X += ImGui.CalcTextSize($"{docIcon} ").X;

src/gaemstone.Client/Systems/ImGuiManager.cs

@@ -5,7 +5,6 @@ using System.Text;
 using gaemstone.Client.Utility;
 using gaemstone.ECS;
 using gaemstone.ECS.Utility;
-using gaemstone.Flecs;
 using ImGuiNET;
 using Silk.NET.Input;
 using Silk.NET.OpenGL.Extensions.ImGui;
@@ -21,12 +20,12 @@ namespace gaemstone.Client.Systems;
 [DependsOn<gaemstone.Client.Systems.Windowing>]
 public partial class ImGuiManager
 {
-	[Entity, Add<Pipeline.Phase>]
-	[DependsOn<Pipeline.OnLoad>]
+	[Entity, Add<flecs.pipeline.Phase>]
+	[DependsOn<flecs.pipeline.OnLoad>]
 	public struct ImGuiUpdatePhase {  }
 
-	[Entity, Add<Pipeline.Phase>]
-	[DependsOn<Pipeline.OnStore>]
+	[Entity, Add<flecs.pipeline.Phase>]
+	[DependsOn<flecs.pipeline.OnStore>]
 	public struct ImGuiRenderPhase {  }
 
 	[Singleton]
@@ -85,7 +84,7 @@ public partial class ImGuiManager
 	}
 
 	[System]
-	[DependsOn<Pipeline.OnLoad>]
+	[DependsOn<flecs.pipeline.OnLoad>]
 	public static unsafe void Initialize<T>(World<T> world, GameWindow window, Canvas canvas,
 			[Source<Input>] InputContext inputContext, Not<ImGuiData> _)
 		=> world.Entity<ImGuiData>().Set(new ImGuiData(
@@ -141,7 +140,7 @@ public partial class ImGuiManager
 			})));
 
 	[System]
-	[DependsOn<Pipeline.OnLoad>]
+	[DependsOn<flecs.pipeline.OnLoad>]
 	public static void UpdateMouse<T>(World<T> world,
 		[Source<Mouse>] MouseImpl impl, ImGuiData _)
 	{

src/gaemstone.Client/Systems/InputManager.cs

@@ -2,7 +2,6 @@ using System;
 using System.Linq;
 using System.Numerics;
 using gaemstone.ECS;
-using gaemstone.Flecs;
 using Silk.NET.Input;
 using static gaemstone.Client.Components.InputComponents;
 using static gaemstone.Client.Systems.Windowing;
@@ -21,7 +20,7 @@ public partial class InputManager
 	[Component] public record class GamepadImpl(IGamepad Value) {  }
 
 	[System]
-	[DependsOn<Pipeline.OnLoad>]
+	[DependsOn<flecs.pipeline.OnLoad>]
 	public static void Initialize<T>(World<T> world,
 		GameWindow window, [Source<Input>] Not<InputContext> _)
 	{
@@ -42,25 +41,25 @@ public partial class InputManager
 	}
 
 
-	[Observer<Core.OnAdd>]
+	[Observer<flecs.core.OnAdd>]
 	public static void OnCursorCaptured<T>(World<T> universe,
-			[Source<Input>] Has<CursorCapturedBy, Core.Wildcard> _)
+			[Source<Input>] Has<CursorCapturedBy, flecs.core.Wildcard> _)
 		=> universe.Entity<Mouse>().GetOrThrow<MouseImpl>()
 			.Value.Cursor.CursorMode = CursorMode.Raw;
 
-	[Observer<Core.OnRemove>]
+	[Observer<flecs.core.OnRemove>]
 	public static void OnCursorReleased<T>(World<T> universe,
-			[Source<Input>] Has<CursorCapturedBy, Core.Wildcard> _)
+			[Source<Input>] Has<CursorCapturedBy, flecs.core.Wildcard> _)
 		=> universe.Entity<Mouse>().GetOrThrow<MouseImpl>()
 			.Value.Cursor.CursorMode = CursorMode.Normal;
 
 
 	[System]
-	[DependsOn<Pipeline.OnLoad>]
+	[DependsOn<flecs.pipeline.OnLoad>]
 	public static void ProcessMouse<T>(TimeSpan delta, Entity<T> entity, MouseImpl impl)
 	{
 		var mouse = impl.Value;
-		var isCaptured = entity.Parent?.Has<CursorCapturedBy, Core.Any>() ?? false;
+		var isCaptured = entity.Parent?.Has<CursorCapturedBy, flecs.core.Any>() ?? false;
 		ref var position = ref entity.NewChild("Position").Build().GetMut<RawValue2D>();
 		ref var posDelta = ref entity.NewChild("Delta"   ).Build().GetMut<RawValue2D>();
 		posDelta = mouse.Position - position;
@@ -76,7 +75,7 @@ public partial class InputManager
 	}
 
 	[System]
-	[DependsOn<Pipeline.OnLoad>]
+	[DependsOn<flecs.pipeline.OnLoad>]
 	public static void ProcessKeyboard<T>(TimeSpan delta, Entity<T> entity, KeyboardImpl impl)
 	{
 		var keyboard = impl.Value;
@@ -87,7 +86,7 @@ public partial class InputManager
 	}
 
 	[System]
-	[DependsOn<Pipeline.OnLoad>]
+	[DependsOn<flecs.pipeline.OnLoad>]
 	public static void ProcessGamepad<T>(TimeSpan delta, Entity<T> entity, GamepadImpl impl)
 	{
 		var gamepad = impl.Value;
@@ -150,12 +149,12 @@ public partial class InputManager
 	// public static void OnActiveAdded(EntityRef entity, Active _)
 	// 	=> entity.Add<Activated>();
 
-	// [Observer<Core.OnRemove>]
+	// [Observer<flecs.core.OnRemove>]
 	// public static void OnActiveRemoved<T>(Entity<T> entity, Active _)
 	// 	=> entity.Add<Deactivated>();
 
 	// [System]
-	// [DependsOn<Pipeline.PostFrame>]
+	// [DependsOn<flecs.pipeline.PostFrame>]
 	// public static void ClearDeActivated<T>(Entity<T> entity, Has<Or<Activated, Deactivated>> _)
 	// 	=> entity.Remove<Activated>().Remove<Deactivated>();
 }

src/gaemstone.Client/Systems/Renderer.cs

@@ -4,7 +4,6 @@ using System.Numerics;
 using System.Runtime.InteropServices;
 using gaemstone.ECS;
 using gaemstone.ECS.Utility;
-using gaemstone.Flecs;
 using Silk.NET.OpenGL;
 using Silk.NET.Windowing;
 using static gaemstone.Client.Components.CameraComponents;
@@ -26,7 +25,7 @@ public partial class Renderer
 	private static int _modelMatrixUniform;
 	private static object? _renderEntityRule;
 
-	[Observer<Core.OnSet>]
+	[Observer<flecs.core.OnSet>]
 	public static void OnCanvasSet(Canvas canvas)
 	{
 		var GL = canvas.GL;
@@ -55,7 +54,7 @@ public partial class Renderer
 	}
 
 	[System]
-	[DependsOn<Pipeline.PreStore>]
+	[DependsOn<flecs.pipeline.PreStore>]
 	public static void Clear(Canvas canvas)
 	{
 		var GL = canvas.GL;
@@ -66,7 +65,7 @@ public partial class Renderer
 	}
 
 	[System]
-	[DependsOn<Pipeline.OnStore>]
+	[DependsOn<flecs.pipeline.OnStore>]
 	public static void Render<T>(World<T> world, Canvas canvas,
 		in GlobalTransform cameraTransform, in Camera camera, CameraViewport? viewport)
 	{
@@ -128,7 +127,7 @@ public partial class Renderer
 	}
 
 	[System]
-	[DependsOn<Pipeline.PostFrame>]
+	[DependsOn<flecs.pipeline.PostFrame>]
 	public static void SwapBuffers(GameWindow window)
 		=> window.Handle.SwapBuffers();
 

src/gaemstone.Client/Systems/TextureManager.cs

@@ -1,7 +1,6 @@
 using System;
 using System.IO;
 using gaemstone.ECS;
-using gaemstone.Flecs;
 using Silk.NET.OpenGL;
 using SixLabors.ImageSharp;
 using SixLabors.ImageSharp.PixelFormats;
@@ -17,7 +16,7 @@ namespace gaemstone.Client.Systems;
 [DependsOn<gaemstone.Client.Systems.Windowing>]
 public partial class TextureManager
 {
-	[Observer<Core.OnSet>]
+	[Observer<flecs.core.OnSet>]
 	public static void OnCanvasSet(Canvas canvas)
 	{
 		var GL = canvas.GL;

src/gaemstone.Client/Systems/Windowing.cs

@@ -1,6 +1,4 @@
 using System.Drawing;
-using gaemstone.ECS;
-using gaemstone.Flecs;
 using Silk.NET.OpenGL;
 using Silk.NET.Windowing;
 
@@ -29,7 +27,7 @@ public partial class Windowing
 	}
 
 	[System]
-	[DependsOn<Pipeline.PreFrame>]
+	[DependsOn<flecs.pipeline.PreFrame>]
 	public static void ProcessWindow(GameWindow window, Canvas canvas)
 	{
 		canvas.Size = new(window.Handle.Size.X, window.Handle.Size.Y);

src/gaemstone.SourceGen/ModuleGenerator.cs

@@ -81,8 +81,10 @@ public class ModuleGenerator
 	private void AppendHeader(StringBuilder sb, string @namespace)
 		=> sb.AppendLine($$"""
 			// <auto-generated/>
+			#pragma warning disable
 			using System.Collections.Generic;
 			using System.Collections.Immutable;
+			using gaemstone;
 			using gaemstone.ECS;
 			using gaemstone.ECS.Utility;
 
@@ -188,8 +190,8 @@ public class ModuleGenerator
 					sb.AppendLine($"\t\t\t.Symbol({e.EntitySymbol.ToStringLiteral()})");
 
 				// Tags and relations in Flecs are marked as empty components.
-				if (e.IsTag || e.IsRelation) sb.AppendLine("\t\t\t.Add<gaemstone.Flecs.Core.Component>()");
-				if (e.IsTag && e.IsRelation) sb.AppendLine("\t\t\t.Add<gaemstone.Flecs.Core.Tag>()");
+				if (e.IsTag || e.IsRelation) sb.AppendLine("\t\t\t.Add<flecs.core.Component>()");
+				if (e.IsTag && e.IsRelation) sb.AppendLine("\t\t\t.Add<flecs.core.Tag>()");
 
 				                   sb.Append( "\t\t\t");
 				if (!e.IsBuiltIn)  sb.Append(".Build()");
@@ -322,7 +324,7 @@ public class ModuleGenerator
 
 			// If system doesn't have an explicit phase set, default to OnUpdate.
 			if (e is MethodEntityInfo { IsSystem: true, HasPhaseSet: false })
-				sb.AppendLine($"\t\t{@var}.Add<gaemstone.Flecs.Core.DependsOn, gaemstone.Flecs.Pipeline.OnUpdate>();");
+				sb.AppendLine($"\t\t{@var}.Add<flecs.core.DependsOn, flecs.pipeline.OnUpdate>();");
 		}
 	}
 

src/gaemstone.SourceGen/RelevantSymbolReceiver.cs

@@ -12,7 +12,7 @@ namespace gaemstone.SourceGen;
 public class RelevantSymbolReceiver
 	: ISyntaxContextReceiver
 {
-	// Attributes from gaemstone.ECS and gaemstone.Doc are considered.
+	// Attributes from gaemstone and gaemstone.Doc are considered.
 	private static readonly HashSet<string> RelevantAttributeNames = new(){
 		// Base entity attributes
 		"Module",     // Can also be [Singleton]
@@ -68,7 +68,7 @@ public class RelevantSymbolReceiver
 				Symbols.Add(symbol, symbol switch {
 					INamedTypeSymbol typeSymbol =>
 						typeSymbol.GetAttributes().Any(attr => attr.AttributeClass!
-								.GetFullName() == "gaemstone.ECS.ModuleAttribute")
+						          .GetFullName() == "gaemstone.ModuleAttribute")
 							? new ModuleEntityInfo(typeSymbol)
 							: new TypeEntityInfo(typeSymbol),
 					IMethodSymbol methodSymbol => new MethodEntityInfo(methodSymbol),
@@ -88,7 +88,7 @@ public class RelevantSymbolReceiver
 
 		var sep = name.LastIndexOf('.');
 		if (sep < 0) return null;
-		if (name.AsSpan()[..sep] is not ("gaemstone.ECS" or "gaemstone.Doc")) return null;
+		if (name.AsSpan()[..sep] is not ("gaemstone" or "gaemstone.Doc")) return null;
 
 		return name[(sep+1)..^"Attribute".Length];
 	}

src/gaemstone.SourceGen/Structure/MethodEntityInfo.cs

@@ -88,9 +88,9 @@ public class MethodEntityInfo : BaseEntityInfo
 				param.TermIndex = termIndex++;
 
 		// See if we have any [DependsOn<...>] attributes for this system.
-		// If not, ModuleGenerator will add [DependsOn<gaemstone.Flecs.Pipeline.OnUpdate>].
+		// If not, ModuleGenerator will add [DependsOn<flecs.pipeline.OnUpdate>].
 		HasPhaseSet = IsSystem && RelationsToAdd.Any(entry => entry.Relation
-			.GetFullName(FullNameStyle.NoGeneric) == "gaemstone.ECS.DependsOnAttribute");
+			.GetFullName(FullNameStyle.NoGeneric) == "gaemstone.DependsOnAttribute");
 
 		// TODO: Handle systems with [Source].
 		// TODO: Validate ObserverEvents.

src/gaemstone.SourceGen/Structure/ModuleEntityInfo.cs

@@ -19,7 +19,7 @@ public class ModuleEntityInfo : TypeEntityInfo
 		IsPartial = classDecl.Modifiers.Any(t => t.IsKind(SyntaxKind.PartialKeyword));
 
 		HasLifetimeInterface = Symbol.AllInterfaces.Any(i =>
-			i.GetFullName(FullNameStyle.NoGeneric) == "gaemstone.ECS.IModuleLifetime");
+			i.GetFullName(FullNameStyle.NoGeneric) == "gaemstone.IModuleLifetime");
 
 		IsBuiltIn = Has("BuiltIn");
 	}
@@ -38,7 +38,7 @@ public class ModuleEntityInfo : TypeEntityInfo
 	public IEnumerable<string> GetDependencies()
 	{
 		foreach (var (relation, target) in RelationsToAdd)
-			if (relation.GetFullName(FullNameStyle.NoGeneric) == "gaemstone.Flecs.Core.DependsOn")
+			if (relation.GetFullName(FullNameStyle.NoGeneric) == "flecs.core.DependsOn")
 				yield return GetModulePath(target);
 	}
 

src/gaemstone.SourceGen/Structure/ParameterInfo.cs

@@ -54,9 +54,9 @@ public class ParameterInfo : BaseInfo
 		}
 		else
 		{
-			IsOr = typeFullName.StartsWith("gaemstone.ECS.Or");
-			var isHas = typeFullName.StartsWith("gaemstone.ECS.Has");
-			var isNot = typeFullName.StartsWith("gaemstone.ECS.Not");
+			IsOr = typeFullName.StartsWith("gaemstone.Or");
+			var isHas = typeFullName.StartsWith("gaemstone.Has");
+			var isNot = typeFullName.StartsWith("gaemstone.Not");
 
 			if (IsGeneric)
 			{
@@ -66,7 +66,7 @@ public class ParameterInfo : BaseInfo
 				// Has<...> usually doesn't support a generic type as its own type parameter.
 				// However, Has<Or<...>> is an exception to this rule, so we check for this here.
 				if (isHas && (args is [ INamedTypeSymbol { IsGenericType: true } argType ])
-				          && argType.GetFullName(FullNameStyle.NoGeneric) == "gaemstone.ECS.Or")
+				          && argType.GetFullName(FullNameStyle.NoGeneric) == "gaemstone.Or")
 				{
 					TermTypes = argType.TypeArguments.ToImmutableList();
 					FieldType = null;
@@ -91,13 +91,13 @@ public class ParameterInfo : BaseInfo
 				// If the type of the parameter has the [Tag] attribute,
 				// the only way to sensibly use it is to check for its (non-)existance.
 				// (This would also apply to [Relation, Tag] but should be no issue.)
-				if (Symbol.Type.HasAttribute("gaemstone.ECS.TagAttribute")) isHas = true;
+				if (Symbol.Type.HasAttribute("gaemstone.TagAttribute")) isHas = true;
 				// TODO: Make sure [Tag] is used appropriately.
 			}
 
 			Source = Get("Source")?.AttributeClass!.TypeArguments[0]
 				// If the type of the parameter has the [Singleton] attribute, use it as the default Source.
-				?? ((FieldType?.HasAttribute("gaemstone.ECS.SingletonAttribute") == true) ? FieldType : null);
+				?? ((FieldType?.HasAttribute("gaemstone.SingletonAttribute") == true) ? FieldType : null);
 
 			Kind = isHas          ? ParameterKind.Has
 				:  isNot          ? ParameterKind.Not

src/gaemstone/Doc+Extensions.cs

@@ -1,6 +1,5 @@
 using gaemstone.ECS;
 using gaemstone.ECS.Utility;
-using gaemstone.Flecs;
 using static flecs_hub.flecs;
 
 namespace gaemstone;
@@ -9,11 +8,11 @@ public static unsafe class DocExtensions
 {
 	private static Entity<TContext> Set<TContext, T>(Entity<TContext> entity, string? value)
 	{
-		var id = entity.World.Pair<Flecs.Doc.Description, T>();
+		var id = entity.World.Pair<flecs.doc.Description, T>();
 
 		if (value != null) {
 			var str  = GlobalHeapAllocator.Instance.AllocateCString(value);
-			var desc = new Flecs.Doc.Description { Value = (void*)(nint)str };
+			var desc = new flecs.doc.Description { Value = (void*)(nint)str };
 			entity.Set(id, desc);
 		} else {
 			entity.Remove(id);
@@ -23,28 +22,28 @@ public static unsafe class DocExtensions
 	}
 
 	public static string? GetDocName<TContext>(this Entity<TContext> entity, bool fallbackToEntityName = true)
-		=> fallbackToEntityName || entity.Has<Flecs.Doc.Description, Core.Name>()
+		=> fallbackToEntityName || entity.Has<flecs.doc.Description, flecs.core.Name>()
 			? ecs_doc_get_name(entity.World, entity).FlecsToString() : null;
 	public static Entity<TContext> SetDocName<TContext>(this Entity<TContext> entity, string? value)
-		=> Set<TContext, Core.Name>(entity, value);
+		=> Set<TContext, flecs.core.Name>(entity, value);
 
 	public static string? GetDocBrief<TContext>(this Entity<TContext> entity)
 		=> ecs_doc_get_brief(entity.World, entity).FlecsToString()!;
 	public static Entity<TContext> SetDocBrief<TContext>(this Entity<TContext> entity, string? value)
-		=> Set<TContext, Flecs.Doc.Brief>(entity, value);
+		=> Set<TContext, flecs.doc.Brief>(entity, value);
 
 	public static string? GetDocDetail<TContext>(this Entity<TContext> entity)
 		=> ecs_doc_get_detail(entity.World, entity).FlecsToString()!;
 	public static Entity<TContext> SetDocDetail<TContext>(this Entity<TContext> entity, string? value)
-		=> Set<TContext, Flecs.Doc.Detail>(entity, value);
+		=> Set<TContext, flecs.doc.Detail>(entity, value);
 
 	public static string? GetDocLink<TContext>(this Entity<TContext> entity)
 		=> ecs_doc_get_link(entity.World, entity).FlecsToString()!;
 	public static Entity<TContext> SetDocLink<TContext>(this Entity<TContext> entity, string? value)
-		=> Set<TContext, Flecs.Doc.Link>(entity, value);
+		=> Set<TContext, flecs.doc.Link>(entity, value);
 
 	public static string? GetDocColor<TContext>(this Entity<TContext> entity)
 		=> ecs_doc_get_color(entity.World, entity).FlecsToString()!;
 	public static Entity<TContext> SetDocColor<TContext>(this Entity<TContext> entity, string? value)
-		=> Set<TContext, Flecs.Doc.Color>(entity, value);
+		=> Set<TContext, flecs.doc.Color>(entity, value);
 }

src/gaemstone/Doc.cs

@@ -1,6 +1,3 @@
-using gaemstone.ECS;
-using static gaemstone.Flecs.Core;
-
 namespace gaemstone;
 
 [Module]

src/gaemstone/Flecs/Core.cs

@@ -1,21 +1,19 @@
+using gaemstone;
 using gaemstone.ECS;
 
-namespace gaemstone.Flecs;
+namespace flecs;
 
 [BuiltIn, Module, Path("/flecs/core")]
-public partial class Core
+#pragma warning disable IDE1006 // Naming rule violation
+#pragma warning disable CS8981  // Only contains lower-cased ascii characters
+public partial class core
 	: IModuleImport
 {
 	// Entity Tags
 
-	// TODO:
-	// [Tag] public struct Observer {  }
-
-	// // Technically, this type should be in the Flecs.System addon,
-	// // but unfortunately due to language limitations, it has to reside here.
-	// [Tag, Path("/flecs/system/System")]
-	// public struct System {  }
+	[Tag] public struct Observer {  }
 
+	// TODO: Put back World?
 	[Tag] public struct Module {  }
 	[Tag] public struct Private {  }
 	[Tag] public struct Prefab {  }

src/gaemstone/Flecs/CoreDoc.cs

@@ -1,14 +1,17 @@
 using System.Runtime.InteropServices;
+using gaemstone;
 using gaemstone.ECS;
 using gaemstone.ECS.Utility;
 using static flecs_hub.flecs;
 
-namespace gaemstone.Flecs;
+namespace flecs;
 
 [BuiltIn, Module, Path("/flecs/coredoc")]
-[DependsOn<gaemstone.Flecs.Meta>]
-[DependsOn<gaemstone.Flecs.Doc>]
-public unsafe partial class CoreDoc
+[DependsOn<flecs.meta>]
+[DependsOn<flecs.doc>]
+#pragma warning disable IDE1006 // Naming rule violation
+#pragma warning disable CS8981  // Only contains lower-cased ascii characters
+public unsafe partial class coredoc
 	: IModuleImport
 {
 	static Entity<T> IModuleImport.Import<T>(World<T> world)

src/gaemstone/Flecs/Doc.cs

@@ -1,12 +1,15 @@
 using System.Runtime.InteropServices;
+using gaemstone;
 using gaemstone.ECS;
 using gaemstone.ECS.Utility;
 using static flecs_hub.flecs;
 
-namespace gaemstone.Flecs;
+namespace flecs;
 
 [BuiltIn, Module, Path("/flecs/doc")]
-public unsafe partial class Doc
+#pragma warning disable IDE1006 // Naming rule violation
+#pragma warning disable CS8981  // Only contains lower-cased ascii characters
+public unsafe partial class doc
 	: IModuleImport
 {
 	[Tag] public struct Brief {  }

src/gaemstone/Flecs/Meta.cs

@@ -1,12 +1,15 @@
 using System.Runtime.InteropServices;
+using gaemstone;
 using gaemstone.ECS;
 using gaemstone.ECS.Utility;
 using static flecs_hub.flecs;
 
-namespace gaemstone.Flecs;
+namespace flecs;
 
 [BuiltIn, Module, Path("/flecs/meta")]
-public unsafe partial class Meta
+#pragma warning disable IDE1006 // Naming rule violation
+#pragma warning disable CS8981  // Only contains lower-cased ascii characters
+public unsafe partial class meta
 	: IModuleImport
 {
 	static Entity<T> IModuleImport.Import<T>(World<T> world)

src/gaemstone/Flecs/Metrics.cs

@@ -1,15 +1,18 @@
 using System.Runtime.InteropServices;
+using gaemstone;
 using gaemstone.ECS;
 using gaemstone.ECS.Utility;
 using static flecs_hub.flecs;
 
-namespace gaemstone.Flecs;
+namespace flecs;
 
 [BuiltIn, Module, Path("/flecs/timer")]
-[DependsOn<gaemstone.Flecs.Pipeline>]
-[DependsOn<gaemstone.Flecs.Meta>]
-[DependsOn<gaemstone.Flecs.Units>]
-public unsafe partial class Metrics
+[DependsOn<flecs.pipeline>]
+[DependsOn<flecs.meta>]
+[DependsOn<flecs.units>]
+#pragma warning disable IDE1006 // Naming rule violation
+#pragma warning disable CS8981  // Only contains lower-cased ascii characters
+public unsafe partial class metrics
 	: IModuleImport
 {
 	static Entity<T> IModuleImport.Import<T>(World<T> world)

src/gaemstone/Flecs/Monitor.cs

@@ -1,12 +1,15 @@
 using System.Runtime.InteropServices;
+using gaemstone;
 using gaemstone.ECS;
 using gaemstone.ECS.Utility;
 using static flecs_hub.flecs;
 
-namespace gaemstone.Flecs;
+namespace flecs;
 
 [BuiltIn, Module, Path("/flecs/monitor")]
-public unsafe partial class Monitor
+#pragma warning disable IDE1006 // Naming rule violation
+#pragma warning disable CS8981  // Only contains lower-cased ascii characters
+public unsafe partial class monitor
 	: IModuleImport
 {
 	static Entity<T> IModuleImport.Import<T>(World<T> world)

src/gaemstone/Flecs/Pipeline.cs

@@ -1,13 +1,16 @@
 using System.Runtime.InteropServices;
+using gaemstone;
 using gaemstone.ECS;
 using gaemstone.ECS.Utility;
 using static flecs_hub.flecs;
 
-namespace gaemstone.Flecs;
+namespace flecs;
 
 [BuiltIn, Module, Path("/flecs/pipeline")]
-[DependsOn<gaemstone.Flecs.System>]
-public unsafe partial class Pipeline
+[DependsOn<flecs.system>]
+#pragma warning disable IDE1006 // Naming rule violation
+#pragma warning disable CS8981  // Only contains lower-cased ascii characters
+public unsafe partial class pipeline
 	: IModuleImport
 {
 	[Entity] public struct Phase {  }

src/gaemstone/Flecs/Rest.cs

@@ -1,13 +1,16 @@
 using System.Runtime.InteropServices;
+using gaemstone;
 using gaemstone.ECS;
 using gaemstone.ECS.Utility;
 using static flecs_hub.flecs;
 
-namespace gaemstone.Flecs;
+namespace flecs;
 
 [BuiltIn, Module, Path("/flecs/rest")]
-[DependsOn<gaemstone.Flecs.Pipeline>]
-public unsafe partial class Rest
+[DependsOn<flecs.pipeline>]
+#pragma warning disable IDE1006 // Naming rule violation
+#pragma warning disable CS8981  // Only contains lower-cased ascii characters
+public unsafe partial class rest
 	: IModuleImport
 {
 	static Entity<T> IModuleImport.Import<T>(World<T> world)

src/gaemstone/Flecs/Script.cs

@@ -1,13 +1,16 @@
 using System.Runtime.InteropServices;
+using gaemstone;
 using gaemstone.ECS;
 using gaemstone.ECS.Utility;
 using static flecs_hub.flecs;
 
-namespace gaemstone.Flecs;
+namespace flecs;
 
 [BuiltIn, Module, Path("/flecs/script")]
-[DependsOn<gaemstone.Flecs.Meta>]
-public unsafe partial class Script
+[DependsOn<flecs.meta>]
+#pragma warning disable IDE1006 // Naming rule violation
+#pragma warning disable CS8981  // Only contains lower-cased ascii characters
+public unsafe partial class script
 	: IModuleImport
 {
 	static Entity<T> IModuleImport.Import<T>(World<T> world)

src/gaemstone/Flecs/System.cs

@@ -1,14 +1,20 @@
 using System.Runtime.InteropServices;
+using gaemstone;
 using gaemstone.ECS;
 using gaemstone.ECS.Utility;
 using static flecs_hub.flecs;
 
-namespace gaemstone.Flecs;
+namespace flecs;
 
 [BuiltIn, Module, Path("/flecs/system")]
-public unsafe partial class System
+#pragma warning disable IDE1006 // Naming rule violation
+#pragma warning disable CS8981  // Only contains lower-cased ascii characters
+public unsafe partial class system
 	: IModuleImport
 {
+	[Tag]
+	public struct System {  }
+
 	static Entity<T> IModuleImport.Import<T>(World<T> world)
 	{
 		using var alloc = TempAllocator.Use();

src/gaemstone/Flecs/Timer.cs

@@ -1,13 +1,16 @@
 using System.Runtime.InteropServices;
+using gaemstone;
 using gaemstone.ECS;
 using gaemstone.ECS.Utility;
 using static flecs_hub.flecs;
 
-namespace gaemstone.Flecs;
+namespace flecs;
 
 [BuiltIn, Module, Path("/flecs/timer")]
-[DependsOn<gaemstone.Flecs.Pipeline>]
-public unsafe partial class Timer
+[DependsOn<flecs.pipeline>]
+#pragma warning disable IDE1006 // Naming rule violation
+#pragma warning disable CS8981  // Only contains lower-cased ascii characters
+public unsafe partial class timer
 	: IModuleImport
 {
 	static Entity<T> IModuleImport.Import<T>(World<T> world)

src/gaemstone/Flecs/Units.cs

@@ -1,12 +1,15 @@
 using System.Runtime.InteropServices;
+using gaemstone;
 using gaemstone.ECS;
 using gaemstone.ECS.Utility;
 using static flecs_hub.flecs;
 
-namespace gaemstone.Flecs;
+namespace flecs;
 
 [BuiltIn, Module, Path("/flecs/units")]
-public unsafe partial class Units
+#pragma warning disable IDE1006 // Naming rule violation
+#pragma warning disable CS8981  // Only contains lower-cased ascii characters
+public unsafe partial class units
 	: IModuleImport
 {
 	static Entity<T> IModuleImport.Import<T>(World<T> world)

src/gaemstone/Module+Attributes.cs

@@ -1,7 +1,6 @@
 using System;
-using static gaemstone.Flecs.Core;
 
-namespace gaemstone.ECS;
+namespace gaemstone;
 
 /// <summary>
 /// Entities marked with this attribute are automatically registered with a
@@ -57,13 +56,22 @@ public class SetAttribute<TComponent> : Attribute
 
 
 /// <seealso cref="IsA"/>
-public class IsAAttribute<TTarget> : AddAttribute<IsA, TTarget> {  }
+public class IsAAttribute<TTarget>
+	: AddAttribute<flecs.core.IsA, TTarget> {  }
+
 /// <seealso cref="ChildOf"/>
-public class ChildOfAttribute<TTarget> : AddAttribute<ChildOf, TTarget> {  }
+public class ChildOfAttribute<TTarget>
+	: AddAttribute<flecs.core.ChildOf, TTarget> {  }
+
 /// <seealso cref="DependsOn"/>
-public class DependsOnAttribute<TTarget> : AddAttribute<DependsOn, TTarget> {  }
+public class DependsOnAttribute<TTarget>
+	: AddAttribute<flecs.core.DependsOn, TTarget> {  }
+
 
 /// <seealso cref="Exclusive"/>
-public class ExclusiveAttribute : AddAttribute<Exclusive> {  }
+public class ExclusiveAttribute
+	: AddAttribute<flecs.core.Exclusive> {  }
+
 /// <seealso cref="With"/>
-public class WithAttribute<TTarget> : AddAttribute<With, TTarget> {  }
+public class WithAttribute<TTarget>
+	: AddAttribute<flecs.core.With, TTarget> {  }

src/gaemstone/Module+Components.cs

@@ -1,6 +1,6 @@
 using System;
 
-namespace gaemstone.ECS;
+namespace gaemstone;
 
 /// <summary> Use a custom name or path for this entity instead of the type's name. </summary>
 [AttributeUsage(AttributeTargets.Class | AttributeTargets.Struct

src/gaemstone/Module.cs

@@ -1,7 +1,8 @@
 using System;
 using System.Collections.Generic;
+using gaemstone.ECS;
 
-namespace gaemstone.ECS;
+namespace gaemstone;
 
 [AttributeUsage(AttributeTargets.Class | AttributeTargets.Struct)]
 public class ModuleAttribute : SingletonAttribute {  }

src/gaemstone/System+Terms.cs

@@ -1,7 +1,7 @@
 using System;
 using gaemstone.Utility;
 
-namespace gaemstone.ECS;
+namespace gaemstone;
 
 [AttributeUsage(AttributeTargets.Parameter | AttributeTargets.Method)]
 public class SourceAttribute<T> : Attribute {  }

src/gaemstone/System.cs

@@ -1,6 +1,6 @@
 using System;
 
-namespace gaemstone.ECS;
+namespace gaemstone;
 
 [AttributeUsage(AttributeTargets.Method)]
 public class SystemAttribute : Attribute {  }

src/gaemstone/Universe+Modules.cs

@@ -1,7 +1,5 @@
 using System;
 using gaemstone.ECS;
-using static gaemstone.Flecs.Core;
-using Module = gaemstone.Flecs.Core.Module;
 
 namespace gaemstone;
 
@@ -54,20 +52,24 @@ public class ModuleManager<TContext>
 			$"Unexpected operation, {T.Path} is a built-in module");
 
 		var builder = World.New(T.Path)
-			.Add<Module>().Add<Disabled>()
+			.Add<flecs.core.Module>()
+			.Add<flecs.core.Disabled>()
 			.Set<IModuleInfo>(new ModuleInfo<T>());
 
 		foreach (var depPath in T.Dependencies) {
-			var dependency = World.LookupPathOrNull(depPath) ??
-				World.New(depPath).Add<Module>().Add<Disabled>().Build();
-			builder.Add<DependsOn>(dependency);
+			var dependency = World.LookupPathOrNull(depPath)
+				?? World.New(depPath)
+					.Add<flecs.core.Module>()
+					.Add<flecs.core.Disabled>()
+					.Build();
+			builder.Add<flecs.core.DependsOn>(dependency);
 		}
 
 		var module = builder.Build().CreateLookup<T>();
 
 		// Ensure all parent entities have the Module tag set.
 		for (var p = module.Parent; p is Entity<TContext> parent; p = parent.Parent)
-			parent.Add<Module>();
+			parent.Add<flecs.core.Module>();
 
 		Console.WriteLine($"Registered module {module.Path}");
 

src/gaemstone/Universe.cs

@@ -17,14 +17,14 @@ public class Universe<TContext>
 			.CreateLookup<Doc.Relation>();
 
 		// Bootstrap core module from Flecs.
-		Modules.Import<Flecs.Core>();
+		Modules.Import<flecs.core>();
 
 		// Import addon modules from Flecs we use for the engine.
-		Modules.Import<Flecs.System>();
-		Modules.Import<Flecs.Pipeline>();
-		Modules.Import<Flecs.Meta>();
-		Modules.Import<Flecs.Doc>();
-		Modules.Import<Flecs.CoreDoc>();
+		Modules.Import<flecs.system>();
+		Modules.Import<flecs.pipeline>();
+		Modules.Import<flecs.meta>();
+		Modules.Import<flecs.doc>();
+		Modules.Import<flecs.coredoc>();
 
 		Modules.Register<Doc>();
 	}