Interact with Materials from scripts

ScriptCore/Graphics/Asset.cs

@@ -0,0 +1,22 @@
+using GlitchyEngine.Core;
+
+namespace GlitchyEngine.Graphics;
+
+/// <summary>
+/// The base class for all assets.
+/// </summary>
+public class Asset : EngineObject
+{
+    /// <summary>
+    /// Gets or sets the Identifier of the asset.
+    /// </summary>
+    public string Identifier
+    {
+        get
+        {
+            ScriptGlue.Asset_GetIdentifier(_uuid, out string identifier);
+            return identifier;
+        }
+        set => ScriptGlue.Asset_SetIdentifier(_uuid, value);
+    }
+}

ScriptCore/Graphics/CircleRenderer.cs

@@ -26,7 +26,7 @@ public class CircleRenderer : Component
     /// <summary>
     /// Gets or sets the UV transform for the texture. XY are an offset, ZW are scaling
     /// </summary>
-    public float4 UvTransform
+    public float4 UVTransform
     {
         get
         {

ScriptCore/Graphics/Material.cs

@@ -0,0 +1,15 @@
+using System.Diagnostics.SymbolStore;
+using GlitchyEngine.Math;
+
+namespace GlitchyEngine.Graphics;
+
+public class Material : Asset
+{
+    public void SetVariable(string name, float4 value)
+    {
+        unsafe
+        {
+            ScriptGlue.Material_SetVariable(_uuid, name, ScriptGlue.ShaderVariableType.Float, 1, 4, 1, &value, sizeof(float4));
+        }
+    }
+}

ScriptCore/Graphics/Mesh.cs

@@ -0,0 +1,12 @@
+using GlitchyEngine.Core;
+
+namespace GlitchyEngine.Graphics;
+
+/// <summary>
+/// Holds a reference to a Mesh.
+/// Can be used in combination with a <see cref="MeshRenderer"/> on the same <see cref="Entity"/> to render the mesh.
+/// </summary>
+public class Mesh : Component
+{
+    
+}

ScriptCore/Graphics/MeshRenderer.cs

@@ -0,0 +1,23 @@
+using GlitchyEngine.Core;
+
+namespace GlitchyEngine.Graphics;
+
+/// <summary>
+/// Renders a Mesh. The Mesh can be specified by adding a <see cref="Mesh"/> component to the same <see cref="Entity"/>.
+/// </summary>
+public class MeshRenderer : Component
+{
+    /// <summary>
+    /// Gets or sets the Material of this <see cref="MeshRenderer"/>.
+    /// </summary>
+    public Material Material
+    {
+        get
+        {
+            ScriptGlue.MeshRenderer_GetMaterial(_uuid, out UUID materialHandle);
+
+            return new Material { _uuid = materialHandle };
+        }
+        set => ScriptGlue.MeshRenderer_SetMaterial(_uuid, value._uuid);
+    }
+}

ScriptCore/Graphics/SpriteRenderer.cs

@@ -0,0 +1,52 @@
+using GlitchyEngine.Core;
+using GlitchyEngine.Math;
+
+namespace GlitchyEngine.Graphics;
+
+/// <summary>
+/// Component that renders a sprite.
+/// </summary>
+public class SpriteRenderer : Component
+{
+    // TODO: Texture2D/Sprite
+
+    /// <summary>
+    /// Gets or sets the tint color.
+    /// </summary>
+    public ColorRGBA Color
+    {
+        get
+        {
+            ScriptGlue.SpriteRenderer_GetColor(_uuid, out ColorRGBA color);
+            return color;
+        }
+        set => ScriptGlue.SpriteRenderer_SetColor(_uuid, value);
+    }
+
+    /// <summary>
+    /// Gets or sets the UV-transform.
+    /// </summary>
+    public UVTransform UVTransform
+    {
+        get
+        {
+            ScriptGlue.SpriteRenderer_GetUvTransform(_uuid, out UVTransform uvTransform);
+            return uvTransform;
+        }
+        set => ScriptGlue.SpriteRenderer_SetUvTransform(_uuid, value);
+    }
+
+    /// <summary>
+    /// Gets or sets the Material of this SpriteRenderer.
+    /// </summary>
+    public Material Material
+    {
+        get
+        {
+            ScriptGlue.SpriteRenderer_GetMaterial(_uuid, out UUID materialHandle);
+
+            return new Material { _uuid = materialHandle };
+        }
+        set => ScriptGlue.SpriteRenderer_SetMaterial(_uuid, value._uuid);
+    }
+}

ScriptCore/Graphics/UVTransform.cs

@@ -0,0 +1,39 @@
+using System.Runtime.InteropServices;
+using GlitchyEngine.Math;
+
+namespace GlitchyEngine.Graphics;
+
+/// <summary>
+/// Stores transformations that can be applied to UV-Coordinates.
+/// </summary>
+[StructLayout(LayoutKind.Sequential, Pack=1)]
+public struct UVTransform
+{
+    /// <summary>
+    /// The offset that will be added to the UV-Coordinate.
+    /// </summary>
+    public float2 Offset;
+    /// <summary>
+    /// The scaling that will be applied to the UV-Coordinate.
+    /// </summary>
+    public float2 Scale;
+
+    /// <summary>
+    /// Creates a new instance of <see cref="UVTransform"/> with the given scale and offset.
+    /// </summary>
+    /// <param name="offset"><inheritdoc cref="Offset"/></param>
+    /// <param name="scale"><inheritdoc cref="Scale"/></param>
+    public UVTransform(float2 offset, float2 scale)
+    {
+        Offset = offset;
+        Scale = scale;
+    }
+
+    /// <summary>
+    /// Transforms the given uv-coordinate.
+    /// </summary>
+    public float2 Transform(float2 uvCoordinate)
+    {
+        return Offset + uvCoordinate * Scale;
+    }
+}