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

* Add missing classes

* Match LegoObjectFactory

* Remove semicolon

* Add symbol

* Fix

LEGO1/lego/legoomni/src/actors/act3cop.cpp

@@ -0,0 +1,35 @@
+#include "act3cop.h"
+
+DECOMP_SIZE_ASSERT(Act3Cop, 0x188)
+
+// STUB: LEGO1 0x1003fe30
+Act3Cop::Act3Cop()
+{
+	// TODO
+}
+
+// STUB: LEGO1 0x1003ff70
+MxResult Act3Cop::VTable0x94(LegoPathActor*, MxBool)
+{
+	// TODO
+	return SUCCESS;
+}
+
+// STUB: LEGO1 0x10040060
+void Act3Cop::ParseAction(char* p_extra)
+{
+	// TODO
+}
+
+// STUB: LEGO1 0x100401f0
+void Act3Cop::VTable0x70(float p_und)
+{
+	// TODO
+}
+
+// STUB: LEGO1 0x10040d20
+MxResult Act3Cop::VTable0x9c()
+{
+	// TODO
+	return SUCCESS;
+}