sc2api : Update Convert CloakState

For some reason the game sets flag has_cloak and send CloakState as CloakedUnknown.
Conversion routine did not take it into account and returned status failure.

Now unit cloak state can have value CloakedUnknown and conversion routine returns success.

Author: piroxiljin

include/sc2api/sc2_unit.h

@@ -93,6 +93,8 @@ class Unit {
 
     //! Unit cloak state.
     enum CloakState {
+        //! Under the fog, so unknown whether it's cloaked or not.
+        CloakedUnknown = 0,
         //! Cloaked, invisible to enemies until detected.
         Cloaked = 1,
         //! Cloaked enemy, but detected.

src/sc2api/sc2_proto_to_pods.cc

@@ -149,6 +149,7 @@ bool Convert(const SC2APIProtocol::Alliance& alliance_proto, Unit::Alliance& all
 
 bool Convert(const SC2APIProtocol::CloakState& cloak_proto, Unit::CloakState& cloak) {
     switch (cloak_proto) {
+        case SC2APIProtocol::CloakState::CloakedUnknown:  cloak = Unit::CloakedUnknown; return true;
         case SC2APIProtocol::CloakState::Cloaked:         cloak = Unit::Cloaked; return true;
         case SC2APIProtocol::CloakState::CloakedDetected: cloak = Unit::CloakedDetected; return true;
         case SC2APIProtocol::CloakState::NotCloaked:      cloak = Unit::NotCloaked; return true;