Refactor file names based on BETA10 (#1064)

* Refactor file names based on BETA10

* Extract LegoDeviceEnumerate to dedicated file

* Fix compiler errors

* Migrate contiguous block of code to `LegoDeviceEnumerate`

---------

Co-authored-by: jonschz <jonschz@users.noreply.github.com>

LEGO1/lego/legoomni/include/act3actors.h

@@ -0,0 +1,36 @@
+#ifndef ACT3ACTORS_H
+#define ACT3ACTORS_H
+
+#include "legoanimactor.h"
+
+// File name verified by multiple assertions, e.g. BETA10 0x10018391
+
+// VTABLE: LEGO1 0x100d7668 LegoPathActor
+// VTABLE: LEGO1 0x100d7738 LegoAnimActor
+// VTABLE: BETA10 0x101b8a98 LegoPathActor
+// SIZE 0x178
+class Act3Actor : public LegoAnimActor {
+public:
+	Act3Actor();
+
+	// FUNCTION: LEGO1 0x100431b0
+	const char* ClassName() const override // vtable+0x0c
+	{
+		// STRING: LEGO1 0x100f03ac
+		return "Act3Actor";
+	}
+
+	MxU32 VTable0x90(float, Matrix4&) override;           // vtable+0x90
+	MxResult VTable0x94(LegoPathActor*, MxBool) override; // vtable+0x94
+
+	// SYNTHETIC: LEGO1 0x10043330
+	// Act3Actor::`scalar deleting destructor'
+
+	// SYNTHETIC: LEGO1 0x10040fa0
+	// Act3Actor::~Act3Actor
+
+private:
+	undefined4 m_unk0x1c; // 0x1c
+};
+
+#endif // ACT3ACTORS_H