/**
* Invert the required state of the switch.
*
* @return a SwitchState with the opposite required switch state or
* this SwitchState if no particular state is required
*/
public static MZCondition.SwitchState Invert(this MZCondition.SwitchState state)
{
switch (state)
{
case MZCondition.SwitchState.Off: return(MZCondition.SwitchState.On);
case MZCondition.SwitchState.On: return(MZCondition.SwitchState.Off);
default:
return(state);
}
}
/**
* Convert this SwitchState to a {@link MZSymbol}.
*
* @return a symbol representing the required state of the switch or
* null if the switch may be in any state
*/
public static MZSymbol ToSymbol(this MZCondition.SwitchState state)
{
switch (state)
{
case MZCondition.SwitchState.Off:
return(new MZSymbol((int)MZSymbol.MZSymbolValue.SwitchOff));
case MZCondition.SwitchState.On:
return(new MZSymbol((int)MZSymbol.MZSymbolValue.SwitchOn));
default:
return(null);
}
}
/**
* Randomly locks descendant rooms of the given {@link MZRoom} with
* {@link MZEdge}s that require the switch to be in the given state.
* <p>
* If the given state is Either, the required states will be random.
*
* @param room the room whose child to lock
* @param givenState the state to require the switch to be in for the
* child rooms to be accessible
* @return true if any locks were Added, false if none were
* Added (which can happen due to the way the random
* decisions are made)
* @see MZCondition.SwitchState
*/
protected bool SwitchLockChildRooms(MZRoom room,
MZCondition.SwitchState givenState)
{
bool anyLocks = false;
MZCondition.SwitchState state = givenState != MZCondition.SwitchState.Either
? givenState
: (UnityEngine.Random.Range(0, 2) == 0
? MZCondition.SwitchState.On
: MZCondition.SwitchState.Off);
foreach (MZEdge edge in room.GetEdges())
{
int neighborId = edge.GetTargetRoomId();
MZRoom nextRoom = dungeon.Get(neighborId);
if (room.GetChildren().Contains(nextRoom))
{
if (room.GetEdge(neighborId).GetSymbol() == null &&
UnityEngine.Random.Range(0, 4) != 0)
{
dungeon.Link(room, nextRoom, state.ToSymbol());
AddPrecond(nextRoom, new MZCondition(state.ToSymbol()));
anyLocks = true;
}
else
{
anyLocks |= SwitchLockChildRooms(nextRoom, state);
}
if (givenState == MZCondition.SwitchState.Either)
{
state = state.Invert();
}
}
}
return(anyLocks);
}
