Add Godot client

7 files changed, 137 insertions, 0 deletions

diff --git a/Djup.Native/.gitignore b/Djup.Native/.gitignore
new file mode 100644
index 0000000..c6e49ef
--- /dev/null
+++ b/Djup.Native/.gitignore
@@ -0,0 +1,2 @@
+obj/
+bin/
diff --git a/Djup.Native/AddRuntimeTargetsToDepsJson.targets b/Djup.Native/AddRuntimeTargetsToDepsJson.targets
new file mode 100644
index 0000000..fbb4c43
--- /dev/null
+++ b/Djup.Native/AddRuntimeTargetsToDepsJson.targets
@@ -0,0 +1,12 @@
+<Project xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <!--
+        The .NET SDK does not support project-to-project dependencies
+        with native binary dependencies, so we need to add them manually.
+        Patch Project.deps.json by adding the required depencies to 
+        Djup.Native "runtimeTargets" section.
+  -->
+  <!-- https://github.com/dotnet/sdk/issues/19929 -->
+  <Target Name="AddRuntimeTargetsToDepsJson" AfterTargets="AfterBuild">
+    <Exec Command="$(MSBuildThisFileDirectory)patch-deps.sh '$(OutputPath)'" />
+  </Target>
+</Project>
diff --git a/Djup.Native/Djup.Native.csproj b/Djup.Native/Djup.Native.csproj
new file mode 100644
index 0000000..107e293
--- /dev/null
+++ b/Djup.Native/Djup.Native.csproj
@@ -0,0 +1,39 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <TargetFramework>net8.0</TargetFramework>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+    <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
+  </PropertyGroup>
+
+  <PropertyGroup>
+    <BuildDir>$(MSBuildThisFileDirectory)../lib/build</BuildDir>
+  </PropertyGroup>
+
+  <ItemGroup Condition=" '$(Configuration)'=='Release' ">
+    <Content Include="$(BuildDir)/linux-x64/libdjup.so"> 
+      <TargetPath>runtimes/linux-x64/native/libdjup.so</TargetPath>
+      <CopyToOutputDirectory>Always</CopyToOutputDirectory>
+      <PackagePath>runtimes/linux-x64/native/</PackagePath>
+      <Pack>true</Pack>
+    </Content>
+  </ItemGroup>
+
+  <Choose>
+    <When Condition=" '$(Configuration)'=='Debug'">
+      <PropertyGroup>
+        <Arch>$([System.Runtime.InteropServices.RuntimeInformation]::OSArchitecture)</Arch>
+        <IsLinux Condition="$([MSBuild]::IsOsPlatform('Linux'))">true</IsLinux>
+      </PropertyGroup>
+
+      <ItemGroup Condition=" $(IsLinux) And '$(Arch)' == X64 ">
+        <Content Include="$(BuildDir)/linux-x64/libdjup.so">
+          <TargetPath>runtimes/linux-x64/native/libdjup.so</TargetPath>
+          <CopyToOutputDirectory>Always</CopyToOutputDirectory>
+        </Content>
+      </ItemGroup>
+      </When>
+  </Choose>
+  
+</Project>
diff --git a/Djup.Native/LibDjup.cs b/Djup.Native/LibDjup.cs
new file mode 100644
index 0000000..fece18a
--- /dev/null
+++ b/Djup.Native/LibDjup.cs
@@ -0,0 +1,36 @@
+using System.Runtime.InteropServices;
+
+namespace Djup.Native;
+
+public static partial class LibDjup
+{
+    const string LibraryName = "djup";
+    const string Prefix = "dp_";
+
+    [LibraryImport(LibraryName, EntryPoint = Prefix + nameof(hello_world))]
+    public static partial void hello_world();
+
+    [LibraryImport(LibraryName, EntryPoint = Prefix + nameof(get_num))]
+    public static partial int get_num();
+
+    [LibraryImport(LibraryName, EntryPoint = Prefix + nameof(get_vec2))]
+    public static partial Vec2 get_vec2();
+
+    [LibraryImport(LibraryName, EntryPoint = Prefix + nameof(world_create))]
+    public static partial IntPtr world_create();
+
+    [LibraryImport(LibraryName, EntryPoint = Prefix + nameof(world_free))]
+    public static partial void world_free(IntPtr world);
+
+    [LibraryImport(LibraryName, EntryPoint = Prefix + nameof(world_create_entity))]
+    public static partial int world_create_entity(IntPtr world, EntityKind kind);
+
+    [LibraryImport(LibraryName, EntryPoint = Prefix + nameof(world_find_entity))]
+    public static unsafe partial Entity* world_find_entity(IntPtr world, int entityId);
+
+    [LibraryImport(LibraryName, EntryPoint = Prefix + nameof(world_remove_entity))]
+    public static partial void world_remove_entity(IntPtr world, int entityId);
+
+    [LibraryImport(LibraryName, EntryPoint = Prefix + nameof(world_tick))]
+    public static partial int world_tick(IntPtr world, double delta);
+}
diff --git a/Djup.Native/Program.cs b/Djup.Native/Program.cs
new file mode 100644
index 0000000..1b374b8
--- /dev/null
+++ b/Djup.Native/Program.cs
@@ -0,0 +1,3 @@
+/*using Djup.Native;*/
+/**/
+/*LibDjup.hello_world();*/
diff --git a/Djup.Native/Types.cs b/Djup.Native/Types.cs
new file mode 100644
index 0000000..c930bd6
--- /dev/null
+++ b/Djup.Native/Types.cs
@@ -0,0 +1,41 @@
+using System.Runtime.InteropServices;
+
+namespace Djup.Native;
+
+[StructLayout(LayoutKind.Sequential)]
+public struct Vec2
+{
+    public float X { get; }
+    public float Y { get; }
+
+    public Vec2(float x, float y)
+    {
+        X = x;
+        Y = y;
+    }
+
+    public override string ToString() => $"({X}, {Y})";
+}
+
+public enum EntityKind
+{
+    None = 0,
+    Ball
+}
+
+[StructLayout(LayoutKind.Explicit)]
+public struct Entity
+{
+    [FieldOffset(0)]
+    public EntityKind kind;
+
+    [FieldOffset(4)]
+    public Ball ball;
+}
+
+[StructLayout(LayoutKind.Sequential)]
+public struct Ball
+{
+    public Vec2 Position { get; set; }
+    public Vec2 Velocity { get; set; }
+}
diff --git a/Djup.Native/patch-deps.sh b/Djup.Native/patch-deps.sh
new file mode 100755
index 0000000..d1f3bbf
--- /dev/null
+++ b/Djup.Native/patch-deps.sh
@@ -0,0 +1,4 @@
+#!/bin/sh
+depsjson="$(find "$1" -name '*.deps.json')"
+patched="$(jq '.targets.".NETCoreApp,Version=v8.0"."Djup.Native/1.0.0" += {"runtimeTargets": {"runtimes/linux-x64/native/libdjup.so": {"rid": "linux-x64", "assetType": "native"} }}' "$depsjson")"
+echo -n "$patched" > "$depsjson"