csbindgen/unity-sandbox/Assets/NewBehaviourScript.cs

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using AOT;
using CsBindgen;
using System;
using System.Runtime.CompilerServices;
using System.Runtime.InteropServices;
using Unity.VisualScripting;
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using UnityEngine;
using UnityEngine.UI;
[UnmanagedFunctionPointer(CallingConvention.Cdecl)]
public delegate int MyDelegate(int x, int y);
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public class NewBehaviourScript : MonoBehaviour
{
public Text text1;
public Text text2;
static Text test_s;
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// Start is called before the first frame update
unsafe void Start()
{
try
{
test_s = text1;
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// var sum2 = NativeMethods.my_add(50, 49); // simple test
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[MonoPInvokeCallback(typeof(Func<int, int, int>))]
static int MethodWithDebug(int x, int y)
{
try
{
var sum = x + y;
UnityEngine.Debug.Log("Call from Rust:" + sum);
test_s.text = "Call from Rust:" + sum.ToString();
return sum;
}
catch (Exception ex)
{
test_s.text = "Exception from Rust:" + ex.ToString();
Debug.LogError(ex.ToString());
return -1;
}
}
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NativeMethods.csharp_to_rust(MethodWithDebug);
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var f = NativeMethods.rust_to_csharp();
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var sum2 = f(1000, 2000);
UnityEngine.Debug.Log("Invoke Rust Method:" + sum2);
text2.text = "Invoke Rust method:" + sum2;
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}
catch (Exception ex)
{
text2.text = "Exceptio invoke rust:" + ex.ToString();
Debug.LogError(ex.ToString());
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}
}
//[UnmanagedCallersOnly(CallConvs = new[] { typeof(CallConvCdecl) })]
static int Method(int x) => x * x;
[MonoPInvokeCallback(typeof(Func<int, int>))]
static int Callback(int x)
{
Debug.Log("Callback!");
return x * x;
}
}
namespace System.Runtime.InteropServices
{
internal struct CLong
{
public int Value; // Windows = int, Unix x32 = int, Unix x64 = long
}
internal struct CULong
{
public uint Value; // Windows = uint, Unix x32 = uint, Unix x64 = ulong
}
}