create renderer label type

Author: popcron

source/Components/IsDestination.cs

@@ -1,6 +1,5 @@
 using System;
 using System.Numerics;
-using Unmanaged;
 
 namespace Rendering.Components
 {
@@ -10,7 +9,7 @@ public struct IsDestination
         public uint height;
         public Vector4 region;
         public Vector4 clearColor;
-        public ASCIIText256 rendererLabel;
+        public RendererLabel rendererLabel;
 
         public readonly uint Area => width * height;
 
@@ -33,7 +32,7 @@ public IsDestination()
             throw new NotImplementedException();
         }
 #endif
-        public IsDestination(Vector2 size, ASCIIText256 rendererLabel)
+        public IsDestination(Vector2 size, RendererLabel rendererLabel)
         {
             width = (uint)size.X;
             height = (uint)size.Y;
@@ -42,7 +41,7 @@ public IsDestination(Vector2 size, ASCIIText256 rendererLabel)
             this.rendererLabel = rendererLabel;
         }
 
-        public IsDestination(uint width, uint height, ASCIIText256 rendererLabel, Vector4 region, Vector4 clearColor)
+        public IsDestination(uint width, uint height, RendererLabel rendererLabel, Vector4 region, Vector4 clearColor)
         {
             this.width = width;
             this.height = height;
@@ -51,18 +50,13 @@ public IsDestination(uint width, uint height, ASCIIText256 rendererLabel, Vector
             this.rendererLabel = rendererLabel;
         }
 
-        public IsDestination(Vector2 size, ASCIIText256 rendererLabel, Vector4 region, Vector4 clearColor)
+        public IsDestination(Vector2 size, RendererLabel rendererLabel, Vector4 region, Vector4 clearColor)
         {
             width = (uint)size.X;
             height = (uint)size.Y;
             this.region = region;
             this.clearColor = clearColor;
             this.rendererLabel = rendererLabel;
         }
-
-        public readonly Vector2 GetSizeAsVector2()
-        {
-            return new(width, height);
-        }
     }
 }

source/Destination.cs

@@ -62,18 +62,11 @@ public readonly float AspectRatio
 
         public readonly ref Vector4 Region => ref GetComponent<IsDestination>().region;
         public readonly ref Vector4 ClearColor => ref GetComponent<IsDestination>().clearColor;
-        public readonly ref ASCIIText256 RendererLabel => ref GetComponent<IsDestination>().rendererLabel;
+        public readonly ref RendererLabel RendererLabel => ref GetComponent<IsDestination>().rendererLabel;
         public readonly int ExtensionCount => GetArrayLength<DestinationExtension>();
         public readonly ReadOnlySpan<DestinationExtension> Extensions => GetArray<DestinationExtension>().AsSpan();
 
-        public Destination(World world, Vector2 size, ASCIIText256 rendererLabel)
-        {
-            this.world = world;
-            value = world.CreateEntity(new IsDestination(size, rendererLabel));
-            CreateArray<DestinationExtension>();
-        }
-
-        public Destination(World world, Vector2 size, ReadOnlySpan<char> rendererLabel)
+        public Destination(World world, Vector2 size, RendererLabel rendererLabel)
         {
             this.world = world;
             value = world.CreateEntity(new IsDestination(size, rendererLabel));

source/RendererLabel.cs

@@ -0,0 +1,45 @@
+using System;
+using Unmanaged;
+
+namespace Rendering
+{
+    public readonly struct RendererLabel : IEquatable<RendererLabel>
+    {
+        public readonly long hash;
+
+        public RendererLabel(ReadOnlySpan<char> text)
+        {
+            hash = text.GetLongHashCode();
+        }
+
+        public readonly override bool Equals(object? obj)
+        {
+            return obj is RendererLabel label && Equals(label);
+        }
+
+        public readonly bool Equals(RendererLabel other)
+        {
+            return hash == other.hash;
+        }
+
+        public override int GetHashCode()
+        {
+            return (int)hash;
+        }
+
+        public static bool operator ==(RendererLabel left, RendererLabel right)
+        {
+            return left.Equals(right);
+        }
+
+        public static bool operator !=(RendererLabel left, RendererLabel right)
+        {
+            return !(left == right);
+        }
+
+        public static implicit operator RendererLabel(string text)
+        {
+            return new RendererLabel(text.AsSpan());
+        }
+    }
+}

tests/DestinationTests.cs

@@ -11,7 +11,7 @@ public void VerifyCompliance()
             using World world = CreateWorld();
             Destination destination = new(world, new Vector2(1920, 1080), "Renderer");
             Assert.That(destination.IsCompliant, Is.True);
-            Assert.That(destination.RendererLabel.ToString(), Is.EqualTo("Renderer"));
+            Assert.That(destination.RendererLabel, Is.EqualTo(new RendererLabel("Renderer")));
         }
     }
 }