Implemented guest-to-host function pointers (#7)

* Implemented guest-to-host function pointers (WIP)

Co-Authored-By: Skyth (Asilkan) <19259897+blueskythlikesclouds@users.noreply.github.com>

* function: support more types for function pointers

* api: ported BlueBlur headers and misc. research

* Move over function-pointers changes from options-menu branch.

---------

Co-authored-by: Skyth (Asilkan) <19259897+blueskythlikesclouds@users.noreply.github.com>

UnleashedRecomp/api/Hedgehog/Universe/Engine/hhMessageActor.h

@@ -0,0 +1,14 @@
+#pragma once
+
+#include "SWA.inl"
+#include "Hedgehog/Universe/Engine/hhMessageProcess.h"
+#include "Hedgehog/Universe/Thread/hhParallelJob.h"
+
+namespace Hedgehog::Universe
+{
+    class CMessageActor : public IMessageProcess, public IParallelJob
+    {
+    public:
+        SWA_INSERT_PADDING(0x88);
+    };
+}

UnleashedRecomp/api/Hedgehog/Universe/Engine/hhMessageProcess.h

@@ -0,0 +1,14 @@
+#pragma once
+
+#include "SWA.inl"
+#include "Hedgehog/Base/hhObject.h"
+
+namespace Hedgehog::Universe
+{
+    class IMessageProcess : public Base::CObject
+    {
+    public:
+        IMessageProcess() {}
+        IMessageProcess(const swa_null_ctor& nil) : CObject(nil) {}
+    };
+}

UnleashedRecomp/api/Hedgehog/Universe/Engine/hhUpdateInfo.h

@@ -0,0 +1,13 @@
+#pragma once
+
+#include "SWA.inl"
+
+namespace Hedgehog::Universe
+{
+    struct SUpdateInfo
+    {
+        be<float> DeltaTime;
+        be<uint32_t> Frame;
+        Base::CSharedString Category;
+    };
+}

UnleashedRecomp/api/Hedgehog/Universe/Engine/hhUpdateUnit.h

@@ -0,0 +1,25 @@
+#pragma once
+
+#include "SWA.inl"
+#include "Hedgehog/Universe/Thread/hhParallelJob.h"
+
+namespace Hedgehog::Universe
+{
+    class CUpdateUnit : public Base::CObject, public IParallelJob
+    {
+    public:
+        xpointer<void> m_pVftable;
+        SWA_INSERT_PADDING(0x20);
+
+        CUpdateUnit(const swa_null_ctor& nil) : CObject(nil), IParallelJob(nil) {}
+        CUpdateUnit();
+
+        // TODO: implement virtual functions.
+        // virtual ~CUpdateUnit();
+        // 
+        // virtual void ExecuteParallelJob(const SUpdateInfo& in_rUpdateInfo) override;
+        // 
+        // virtual void UpdateParallel(const SUpdateInfo& in_rUpdateInfo) {}
+        // virtual void UpdateSerial(const SUpdateInfo& in_rUpdateInfo) {}
+    };
+}