Chapter 3 Part 1: Model Loading

Chapter1/2-HelloTriangle/Window.cs

@@ -209,7 +209,7 @@ protected override void OnUnload()
             GL.DeleteBuffer(_vertexBufferObject);
             GL.DeleteVertexArray(_vertexArrayObject);
 
-            GL.DeleteProgram(_shader.Handle);
+            GL.DeleteProgram(_shader.ID);
 
             base.OnUnload();
         }

Chapter1/4-Shaders-Uniforms/Window.cs

@@ -83,7 +83,7 @@ protected override void OnRenderFrame(FrameEventArgs e)
 
             // This gets the uniform variable location from the frag shader so that we can 
             // assign the new green value to it.
-            int vertexColorLocation = GL.GetUniformLocation(_shader.Handle, "ourColor");
+            int vertexColorLocation = GL.GetUniformLocation(_shader.ID, "ourColor");
 
             // Here we're assigning the ourColor variable in the frag shader 
             // via the OpenGL Uniform method which takes in the value as the individual vec values (which total 4 in this instance).

Chapter3/1-ModelLoading/1-ModelLoading.csproj

@@ -0,0 +1,26 @@
+<Project Sdk="Microsoft.NET.Sdk">
+  <PropertyGroup>
+    <OutputType>WinExe</OutputType>
+    <RootNamespace>LearnOpenTK</RootNamespace>
+    <AssemblyName>LearnOpenTK</AssemblyName>
+    <TargetFramework>net6.0</TargetFramework>
+    <ApplicationIcon />
+    <StartupObject />
+  </PropertyGroup>
+
+  <ItemGroup>
+    <None Include="Resources/**" CopyToOutputDirectory="PreserveNewest" />
+    <None Include="Shaders/**" CopyToOutputDirectory="PreserveNewest" />
+  </ItemGroup>
+
+  <ItemGroup>
+    <PackageReference Include="OpenTK" Version="4.8.2" />
+    <PackageReference Include="System.Drawing.Common" Version="8.0.1" />
+    <PackageReference Include="AssimpNet" Version="4.1.0" />
+    <PackageReference Include="StbImageSharp" Version="2.27.13" />
+  </ItemGroup>
+
+  <ItemGroup>
+    <ProjectReference Include="..\..\Common\Common.csproj" />
+  </ItemGroup>
+</Project>

Chapter3/1-ModelLoading/1-ModelLoading.sln

@@ -0,0 +1,25 @@
+
+Microsoft Visual Studio Solution File, Format Version 12.00
+# Visual Studio Version 16
+VisualStudioVersion = 25.0.1706.6
+MinimumVisualStudioVersion = 10.0.40219.1
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "1-ModelLoading", "1-ModelLoading.csproj", "{5387BE4E-2DD0-4891-B439-5DDAEBEFB0F1}"
+EndProject
+Global
+	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+		Debug|Any CPU = Debug|Any CPU
+		Release|Any CPU = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(ProjectConfigurationPlatforms) = postSolution
+		{5387BE4E-2DD0-4891-B439-5DDAEBEFB0F1}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{5387BE4E-2DD0-4891-B439-5DDAEBEFB0F1}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{5387BE4E-2DD0-4891-B439-5DDAEBEFB0F1}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{5387BE4E-2DD0-4891-B439-5DDAEBEFB0F1}.Release|Any CPU.Build.0 = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(SolutionProperties) = preSolution
+		HideSolutionNode = FALSE
+	EndGlobalSection
+	GlobalSection(ExtensibilityGlobals) = postSolution
+		SolutionGuid = {57349D06-7972-4770-A2BD-D0B41770C0D5}
+	EndGlobalSection
+EndGlobal

Chapter3/1-ModelLoading/Program.cs

@@ -0,0 +1,25 @@
+using OpenTK.Mathematics;
+using OpenTK.Windowing.Common;
+using OpenTK.Windowing.Desktop;
+
+namespace LearnOpenTK
+{
+    public static class Program
+    {
+        private static void Main()
+        {
+            var nativeWindowSettings = new NativeWindowSettings()
+            {
+                ClientSize = new Vector2i(800, 600),
+                Title = "LearnOpenTK - Model Loading",
+                // This is needed to run on macos
+                Flags = ContextFlags.ForwardCompatible,
+            };
+
+            using (var window = new Window(GameWindowSettings.Default, nativeWindowSettings))
+            {
+                window.Run();
+            }
+        }
+    }
+}

Chapter3/1-ModelLoading/Resources/Objects/Backpack/backpack.mtl

@@ -0,0 +1,16 @@
+# Blender MTL File: 'None'
+# Material Count: 1
+
+newmtl Scene_-_Root
+Ns 225.000000
+Ka 1.000000 1.000000 1.000000
+Kd 0.800000 0.800000 0.800000
+Ks 0.500000 0.500000 0.500000
+Ke 0.0 0.0 0.0
+Ni 1.450000
+d 1.000000
+illum 2
+map_Kd diffuse.jpg
+map_Bump normal.png
+map_Ks specular.jpg
+