add mono c# (using dotnet9.0 from https://github.com/dotnet/runtime), add ECS (entt), add some c# code, add fastNoise

ExampleApp/Src/MapGenerator.cs

@@ -0,0 +1,84 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+using Prism;
+
+namespace Example
+{
+    public class MapGenerator : Entity
+    {
+        // TODO: [EditorSlider("MapWidth Custom Name", 2, 0, 1024)]
+        public int MapWidth = 128;
+        public int MapHeight = 128;
+        public int Octaves = 4;
+        public float Persistance = 0.74f;
+        public int Seed = 21;
+        public float Lacunarity = 3.0f;
+        public Vec2 Offset = new Vec2(13.4f, 6.26f);
+        public float NoiseScale = 0.5f;
+
+        public void GenerateMap()
+        {
+            // float[,] noiseMap = Noise.GenerateNoiseMap(MapWidth, MapHeight, NoiseScale);
+            float[,] noiseMap;
+            try
+            {
+                noiseMap = Noise.GenerateNoiseMap(MapWidth, MapHeight, Seed, NoiseScale, Octaves, Persistance, Lacunarity, Offset);
+            }
+            catch (Exception e)
+            {
+                Console.WriteLine(e);
+                throw;
+            }
+
+            uint width = (uint)noiseMap.GetLength(0);
+            uint height = (uint)noiseMap.GetLength(1);
+            
+            
+            Texture2D texture = new Texture2D(width, height);
+            Vec4[] colorMap = new Vec4[width * height];
+            for (int y = 0; y < height; y++)
+            {
+                for (int x = 0; x < width; x++)
+                {
+                    colorMap[x + y * width] = Vec4.Lerp(Color.Black, Color.White, noiseMap[x, y]);
+                }
+            }
+
+            texture.SetData(colorMap);
+
+            Console.WriteLine("HasComponent - TransformComponent = {0}", HasComponent<TransformComponent>());
+            Console.WriteLine("HasComponent - ScriptComponent = {0}", HasComponent<ScriptComponent>());
+            Console.WriteLine("HasComponent - MeshComponent = {0}", HasComponent<MeshComponent>());
+
+            MeshComponent meshComponent = GetComponent<MeshComponent>();
+            if (meshComponent == null)
+            {
+                Console.WriteLine("MeshComponent is null!");
+                meshComponent = CreateComponent<MeshComponent>();
+            }
+            meshComponent.Mesh = MeshFactory.CreatePlane(1.0f, 1.0f);
+
+            Console.WriteLine("Mesh has {0} materials!", meshComponent.Mesh.GetMaterialCount());
+
+            MaterialInstance material = meshComponent.Mesh.GetMaterial(1);
+            material.Set("u_AlbedoTexToggle", 1.0f);
+            material.Set("u_AlbedoTexture", texture);
+        }
+
+        void OnCreate()
+        {
+            GenerateMap();
+        }
+
+        void OnUpdate(float ts)
+        {
+
+        }
+
+
+    }
+}