private static void ImplementBindMethod(MethodDefinition method)
{
var i2ReturnTypeName = CTypeResolver.Resolve(method.ReturnType, true).TypeName();
CS.Writer.WriteLine($"typedef {i2ReturnTypeName} (* ICallMethod) {CUtils.GetParamDefine(method, true)}");
CS.Writer.WriteLine("static ICallMethod icall");
CS.Writer.WriteLine("if(!icall)", false);
CS.Writer.WriteLine("\t" + $"icall = (ICallMethod)il2cpp_resolve_icall(\"{CUtils.GetICallDescName(method)}\")");
if (method.ReturnType.IsVoid())
{
CS.Writer.WriteLine("icall(", false);
}
else
{
CS.Writer.WriteLine($"{i2ReturnTypeName} i2res = icall(", false);
}
if (!method.IsStatic)
{
CS.Writer.Write(CTypeResolver.Resolve(method.DeclaringType).Unbox("thiz", true));
if (method.Parameters.Count > 0)
{
CS.Writer.Write(",");
}
}
var lastP = method.Parameters.LastOrDefault();
foreach (var p in method.Parameters)
{
CS.Writer.Write(CTypeResolver.Resolve(p.ParameterType).Unbox(p.Name, true));
if (lastP != p)
{
CS.Writer.Write(",");
}
}
CS.Writer.Write(");");
if (!method.ReturnType.IsVoid())
{
var monoRes = CTypeResolver.Resolve(method.ReturnType).Box("i2res");
CS.Writer.WriteLine($"return {monoRes}");
}
}
/*
* void UnityEngine_AsyncOperation_InvokeCompletionEvent(Il2CppObject* obj, const MethodInfo* imethod)
* {
* const int index = 52;
* typedef void(*THUNK_METHOD EventMethod) (MonoObject* obj, MonoException** exc);
* static EventMethod thunk;
* if (!thunk)
* thunk = mono_method_get_unmanaged_thunk(methods[index].hooked);
* MonoException *exc = NULL;
* MonoObject* monoobj = get_mono_object(obj, mono_get_class_UnityEngine_AsyncOperation());
* thunk(monoobj, &exc);
* }
*/
private static void ImplementEventMethod(MethodDefinition method, int index)
{
var returnTypeName = CTypeResolver.Resolve(method.ReturnType, false).TypeName();
CS.Writer.WriteLine($"const int index = {index}");
CS.Writer.WriteLine($"typedef {returnTypeName} (* THUNK_METHOD EventMethod) {CUtils.GetParamDefine(method, false, "MonoException** exc")}");
CS.Writer.WriteLine("static EventMethod thunk");
CS.Writer.WriteLine("if(!thunk)", false);
CS.Writer.WriteLine("\t" + $"thunk = mono_method_get_unmanaged_thunk(methods[index].hooked)");
CS.Writer.WriteLine("MonoException *exc = NULL");
if (method.ReturnType.IsVoid())
{
CS.Writer.WriteLine("thunk(", false);
}
else
{
CS.Writer.WriteLine($"{returnTypeName} res = thunk(", false);
}
if (!method.IsStatic)
{
CS.Writer.Write(CTypeResolver.Resolve(method.DeclaringType).Box("thiz", true));
//if (method.Parameters.Count > 0)
CS.Writer.Write(",");
}
var lastP = method.Parameters.LastOrDefault();
foreach (var p in method.Parameters)
{
CS.Writer.Write(CTypeResolver.Resolve(p.ParameterType).Box(p.Name, true));
//if (lastP != p)
CS.Writer.Write(",");
}
CS.Writer.Write("&exc);");
CS.Writer.WriteLine("check_mono_exception(exc)");
if (!method.ReturnType.IsVoid())
{
var monoRes = CTypeResolver.Resolve(method.ReturnType).Unbox("res", false);
CS.Writer.WriteLine($"return {monoRes}");
}
}
public static void Gen()
{
using (new CS(EventWriter))
{
CS.Writer.WriteLine("#include \"event_binding.h\"", false);
CS.Writer.WriteLine("#include \"class_cache_gen.h\"", false);
CS.Writer.WriteLine($"EventMethodDesc methods[{methodSet.Count}]");
int index = 0;
foreach (var m in methodSet)
{
CS.Writer.Start($"{CTypeResolver.Resolve(m.ReturnType,true).TypeName()} {CUtils.ImplementMethodName(m, false) + CUtils.GetParamDefine(m, true, "const MethodInfo* imethod")} ");
ImplementEventMethod(m, index);
CS.Writer.End();
index++;
}
index = 0;
CS.Writer.Start("void init_event_gen()");
foreach (var m in methodSet)
{
CS.Writer.WriteLine($"init_event_method(&methods[{index}],{ClassCacheGenerater.GetClass(m.DeclaringType,false)},{ClassCacheGenerater.GetClass(m.DeclaringType, true)}," +
$"\"{m.Name}\",{m.Parameters.Count},(Il2CppMethodPointer) {CUtils.ImplementMethodName(m, false)})");
index++;
}
CS.Writer.End();
}
EventWriter.EndAll();
}