Consolidate state and building entity classes (#989)

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

@@ -9,11 +9,11 @@
 #include "legoworld.h"
 #include "misc.h"
 #include "pizza.h"
-#include "pizzamissionstate.h"
-#include "pizzeriastate.h"
 #include "scripts.h"
 
 DECOMP_SIZE_ASSERT(Pizzeria, 0x84)
+DECOMP_SIZE_ASSERT(PizzeriaState, 0x58)
+DECOMP_SIZE_ASSERT(PizzeriaState::StateStruct, 0x14)
 
 // FUNCTION: LEGO1 0x100179c0
 MxResult Pizzeria::Create(MxDSAction& p_dsAction)
@@ -63,3 +63,22 @@ undefined4 Pizzeria::HandleClick()
 
 	return 1;
 }
+
+// STUB: LEGO1 0x10017af0
+PizzeriaState::PizzeriaState()
+{
+	// TODO
+}
+
+// STUB: LEGO1 0x10017d70
+MxU32 PizzeriaState::FUN_10017d70()
+{
+	return 0;
+}
+
+// STUB: LEGO1 0x10017da0
+MxResult PizzeriaState::Serialize(LegoFile* p_legoFile)
+{
+	// TODO
+	return LegoState::Serialize(p_legoFile);
+}