Project refactor, namespace cleanup, splitting UI/functionality.

src/Core/Runtime/Il2Cpp/Il2CppTextureUtil.cs

@@ -0,0 +1,77 @@
+#if CPP
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using UnhollowerBaseLib;
+using UnityEngine;
+
+namespace UnityExplorer.Core.Runtime.Il2Cpp
+{
+    public class Il2CppTextureUtil : TextureUtilProvider
+    {
+        public override Texture2D NewTexture2D(int width, int height)
+            => new Texture2D((int)width, (int)height, TextureFormat.RGBA32, Texture.GenerateAllMips, false, IntPtr.Zero);
+
+        internal delegate void d_Blit2(IntPtr source, IntPtr dest);
+
+        public override void Blit(Texture2D tex, RenderTexture rt)
+        {
+            var iCall = ICallManager.GetICall<d_Blit2>("UnityEngine.Graphics::Blit2");
+            iCall.Invoke(tex.Pointer, rt.Pointer);
+        }
+
+        // byte[] ImageConversion.EncodeToPNG(this Texture2D image);
+
+        internal delegate IntPtr d_EncodeToPNG(IntPtr tex);
+
+        public override byte[] EncodeToPNG(Texture2D tex)
+        {
+            var iCall = ICallManager.GetICall<d_EncodeToPNG>("UnityEngine.ImageConversion::EncodeToPNG");
+
+            IntPtr ptr = iCall.Invoke(tex.Pointer);
+
+            if (ptr == IntPtr.Zero)
+                return null;
+
+            return new Il2CppStructArray<byte>(ptr);
+        }
+
+        // bool ImageConversion.LoadImage(this Texture2D tex, byte[] data, bool markNonReadable);
+
+        internal delegate bool d_LoadImage(IntPtr tex, IntPtr data, bool markNonReadable);
+
+        public override bool LoadImage(Texture2D tex, byte[] data, bool markNonReadable)
+        {
+            var il2cppArray = (Il2CppStructArray<byte>)data;
+
+            var iCall = ICallManager.GetICall<d_LoadImage>("UnityEngine.ImageConversion::LoadImage");
+
+            return iCall.Invoke(tex.Pointer, il2cppArray.Pointer, markNonReadable);
+        }
+
+        // Sprite Sprite.Create
+
+        public override Sprite CreateSprite(Texture2D texture)
+        {
+            return CreateSpriteImpl(texture, new Rect(0, 0, texture.width, texture.height), Vector2.zero, 100f, 0u, Vector4.zero);
+        }
+
+        internal delegate IntPtr d_CreateSprite(IntPtr texture, ref Rect rect, ref Vector2 pivot, float pixelsPerUnit,
+            uint extrude, int meshType, ref Vector4 border, bool generateFallbackPhysicsShape);
+
+        public static Sprite CreateSpriteImpl(Texture texture, Rect rect, Vector2 pivot, float pixelsPerUnit, uint extrude, Vector4 border)
+        {
+            var iCall = ICallManager.GetICall<d_CreateSprite>("UnityEngine.Sprite::CreateSprite_Injected");
+
+            var ptr = iCall.Invoke(texture.Pointer, ref rect, ref pivot, pixelsPerUnit, extrude, 1, ref border, false);
+
+            if (ptr == IntPtr.Zero)
+                return null;
+            else
+                return new Sprite(ptr);
+        }
+    }
+}
+#endif