Culling, rendering improvements and optimizations, block removing test.

2025-09-02 22:43:35 +02:00
parent a9cab195b6
commit 00713db79e
16 changed files with 390 additions and 210 deletions
--- a/Texture.cs
+++ b/Texture.cs
@@ -0,0 +1,43 @@
+using OpenTK.Graphics.OpenGL4;
+using StbImageSharp;
+
+namespace Voxel
+{
+    public class Texture
+    {
+        private int _handle;
+        private string _path;
+
+        public Texture(string path)
+        {
+            _handle = GL.GenTexture();
+            _path = path;
+
+            LoadFromFile();
+        }
+
+        private void LoadFromFile()
+        {
+            StbImage.stbi_set_flip_vertically_on_load(1);
+            ImageResult image = ImageResult.FromStream(File.OpenRead(_path), ColorComponents.RedGreenBlueAlpha);
+
+            GL.BindTexture(TextureTarget.Texture2D, _handle);
+            GL.TexImage2D(
+                TextureTarget.Texture2D, 0, PixelInternalFormat.Rgba,
+                image.Width, image.Height, 0,
+                PixelFormat.Rgba, PixelType.UnsignedByte, image.Data
+            );
+
+            GL.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureMinFilter, (int)TextureMinFilter.Nearest);
+            GL.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureMagFilter, (int)TextureMagFilter.Nearest);
+            GL.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureWrapS, (int)TextureWrapMode.Repeat);
+            GL.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureWrapT, (int)TextureWrapMode.Repeat);
+        }
+
+        public void Bind(TextureUnit unit = TextureUnit.Texture0)
+        {
+            GL.ActiveTexture(unit);
+            GL.BindTexture(TextureTarget.Texture2D, _handle);
+        }
+    }
+}