feat: adds (basic) material support Speckle > Unity

.gitignore

@@ -70,3 +70,4 @@ crashlytics-build.properties
 /[Aa]ssets/[Ss]treamingAssets/aa.meta
 /[Aa]ssets/[Ss]treamingAssets/aa/*
 .idea/
+*.meta

.idea/.idea.Speckle Unity/.idea/contentModel.xml

@@ -19,6 +19,7 @@
           <e p="Dispatcher.cs" t="Include" />
           <e p="Receiver.cs" t="Include" />
           <e p="Sender.cs" t="Include" />
+          <e p="Utils.cs" t="Include" />
         </e>
         <e p="SpeckleExamples.cs" t="Include" />
       </e>

Assets/Speckle Connector/ConverterUnity.Geometry.cs

@@ -2,8 +2,8 @@
 using System;
 using System.Collections.Generic;
 using System.Linq;
-using System.Text;
-using System.Threading.Tasks;
+using Objects.Other;
+using Speckle.ConnectorUnity;
 using UnityEngine;
 using Mesh = Objects.Geometry.Mesh;
 
@@ -94,7 +94,7 @@ namespace Objects.Converter.Unity
       List<int> faces = new List<int>();
       int i = 0;
       //store them here, makes it like 1000000x faster?
-      var triangles = filter.mesh.triangles; 
+      var triangles = filter.mesh.triangles;
       while (i < triangles.Length)
       {
         faces.Add(0);
@@ -245,6 +245,33 @@ namespace Objects.Converter.Unity
       var mesh = go.AddComponent<MeshFilter>().mesh;
       var meshRenderer = go.AddComponent<MeshRenderer>();
 
+      //todo support more complex materials
+      var shader = Shader.Find("Standard");
+      var mat = new Material(shader);
+
+      var speckleMaterial = speckleMesh["renderMaterial"];
+      if (speckleMaterial != null && speckleMaterial is RenderMaterial rm)
+      {
+        // 1. match shader by name, if any
+        shader = Shader.Find(rm.name);
+        if (shader != null)
+        {
+          mat = new Material(shader);
+        }
+        else
+        {
+          // 2. re-create material by setting diffuse color and transparency on standard shaders
+          shader = Shader.Find("Transparent/Diffuse");
+          mat = new Material(shader);
+          var c = rm.diffuse.ToUnityColor();
+          mat.color = new Color(c.r, c.g, c.b, Convert.ToSingle(rm.opacity));
+        }
+      }
+      
+      // 3. if not renderMaterial was passed, the default shader will be used 
+      meshRenderer.material = mat;
+
+
       if (verts.Count >= 65535)
         mesh.indexFormat = UnityEngine.Rendering.IndexFormat.UInt32;
 

Assets/Speckle Connector/Utils.cs

@@ -0,0 +1,22 @@
+using System;
+using UnityEngine;
+
+namespace Speckle.ConnectorUnity
+{
+  public static class Utils
+  {
+    public static int ToIntColor(this Color c)
+    {
+      return
+        System.Drawing.Color
+          .FromArgb(Convert.ToInt32(c.r * 255), Convert.ToInt32(c.r * 255), Convert.ToInt32(c.r * 255))
+          .ToArgb();
+    }
+
+    public static Color ToUnityColor(this int c)
+    {
+      var argb = System.Drawing.Color.FromArgb(c);
+      return new Color(argb.R / 255.0f, argb.G / 255.0f, argb.B / 255.0f);
+    }
+  }
+}

Assets/SpeckleExamples.cs

@@ -31,7 +31,7 @@ namespace Speckle.ConnectorUnity
     void Start()
     {
       //hardcoded cuz I'm lazy, replace with what you need
-      ReceiveText.text = "4ad65b572e";
+      ReceiveText.text = "d1a4748ba2";//4ad65b572e
       SendText.text = "cd83745025";
 
       if (ReceiveBtn == null || ReceiveText == null || SendBtn == null || SendText == null)
@@ -125,14 +125,9 @@ namespace Speckle.ConnectorUnity
     /// <param name="go"></param>
     private void AddClasses(GameObject go)
     {
-      var mat = new Material(Shader.Find("Standard"));
-
       for (var i = 0; i < go.transform.childCount; i++)
       {
         var child = go.transform.GetChild(i);
-        var renderer = child.GetComponent<MeshRenderer>();
-        renderer.material = mat;
-
         child.gameObject.AddComponent<Selectable>();
       }
     }