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Add ScriptingObject::ToInterface and ScriptingObject::FromInterface

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This commit is contained in:
Wojtek Figat
2021-10-04 14:21:45 +02:00
parent fc629ff5d9
commit 5e3254435f
2 changed files with 34 additions and 20 deletions
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45
Source/Engine/Scripting/ScriptingObject.cpp
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@@ -75,7 +75,7 @@ MClass* ScriptingObject::GetClass() const
return _type ? _type.GetType().ManagedClass : nullptr;
}
ScriptingObject* ScriptingObject::FromInterface(void* interfaceObj, ScriptingTypeHandle& interfaceType)
ScriptingObject* ScriptingObject::FromInterface(void* interfaceObj, const ScriptingTypeHandle& interfaceType)
{
if (!interfaceObj || !interfaceType)
return nullptr;
@@ -120,6 +120,30 @@ ScriptingObject* ScriptingObject::FromInterface(void* interfaceObj, ScriptingTyp
return nullptr;
}
void* ScriptingObject::ToInterface(ScriptingObject* obj, const ScriptingTypeHandle& interfaceType)
{
if (!obj || !interfaceType)
return nullptr;
const ScriptingType& objectType = obj->GetType();
const ScriptingType::InterfaceImplementation* interface = objectType.GetInterface(interfaceType);
void* result = nullptr;
if (interface && interface->IsNative)
{
// Native interface so just offset pointer to the interface vtable start
result = (byte*)obj + interface->VTableOffset;
}
else if (interface)
{
// Interface implemented in scripting (eg. C# class inherits C++ interface)
if (!ScriptingObjectsInterfaceWrappers.TryGet(obj, result))
{
result = interfaceType.GetType().Interface.GetInterfaceWrapper(obj);
ScriptingObjectsInterfaceWrappers.Add(obj, result);
}
}
return result;
}
ScriptingObject* ScriptingObject::ToNative(MonoObject* obj)
{
ScriptingObject* ptr = nullptr;
@@ -632,24 +656,7 @@ public:
const ScriptingTypeHandle interfaceType = ManagedBinaryModule::FindType(typeClass);
if (interfaceType)
{
const ScriptingType& objectType = obj->GetType();
const ScriptingType::InterfaceImplementation* interface = objectType.GetInterface(interfaceType);
if (interface && interface->IsNative)
{
// Native interface so just offset pointer to the interface vtable start
return (byte*)obj + interface->VTableOffset;
}
if (interface)
{
// Interface implemented in scripting (eg. C# class inherits C++ interface)
void* result;
if (!ScriptingObjectsInterfaceWrappers.TryGet(obj, result))
{
result = interfaceType.GetType().Interface.GetInterfaceWrapper(obj);
ScriptingObjectsInterfaceWrappers.Add(obj, result);
}
return result;
}
return ScriptingObject::ToInterface(obj, interfaceType);
}
}
return nullptr;