Add remaining classes, implement/match LegoObjectFactory (#1026)

* Add missing classes

* Match LegoObjectFactory

* Remove semicolon

* Add symbol

* Fix

LEGO1/lego/legoomni/include/act3cop.h

@@ -0,0 +1,25 @@
+#ifndef ACT3COP_H
+#define ACT3COP_H
+
+#include "act3actor.h"
+
+// VTABLE: LEGO1 0x100d7750 LegoPathActor
+// VTABLE: LEGO1 0x100d7820 LegoAnimActor
+// SIZE 0x188
+class Act3Cop : public Act3Actor {
+public:
+	Act3Cop();
+
+	void ParseAction(char* p_extra) override;             // vtable+0x20
+	void VTable0x70(float p_und) override;                // vtable+0x70
+	MxResult VTable0x94(LegoPathActor*, MxBool) override; // vtable+0x94
+	MxResult VTable0x9c() override;                       // vtable+0x9c
+
+	// SYNTHETIC: LEGO1 0x10043120
+	// Act3Cop::`scalar deleting destructor'
+
+private:
+	undefined4 m_unk0x20[4]; // 0x20
+};
+
+#endif // ACT3COP_H