/**
test.hps
19/06/12
Updated 20/06/12
@Javist
**/
funcdef void IsSolvedCallBack(bool solveState);
class BitwisePuzzle
{
IsSolvedCallBack@ solvedCallBack;
uint64 bitField;
uint64[] bitMasks;
string[] switches;
int[] sols;
BitwisePuzzle(string[] &in switchNames, int[] solutions, IsSolvedCallBack@ &in callback )
{
    switches = switchNames;
    sols = solutions;
    @solvedCallBack = @callback;
    bitField = 0;
    bitMasks.resize(switchNames.length());
    for(uint i=0;i<switchNames.length();i++)
    {
    AddDebugMessage(" "+i, false);
    bitMasks[i]=(1<<i);
    }
    AddDebugMessage("BWPuzzle ready. (sz "+switches.length()+")", false);
}
void checkValidity()
{
    uint64 requiredMask = 0;
    for(uint i=0;i<sols.length();i++)
    {
        requiredMask |= bitMasks[sols[i]-1];
    }
    solvedCallBack(requiredMask == bitField);

}
void notifySwitch(string &in switchName, int alState)
{
    for(uint i=0;i<switches.length();i++)
    {
        if(switches[i]==switchName)
        {
            bitField = alState > 0 ? bitField |= bitMasks[i] : bitField ^ bitMasks[i];
            checkValidity();
            return;
        }
    }
    AddDebugMessage("ERR: "+switchName+" isn't declared in BWPuzzle (sz "+switches.length()+") ?!",false);
}
uint64 getBitField()
{
    return bitField;
}
~BitwisePuzzle()
{
@solvedCallBack = null;
}
}
BitwisePuzzle bp;
/////////////////////////////////////////////
/////////////////////////////////////////////
/////////////////////////////////////////////
/////////////////////////////////////////////
void OnStart()
{
    GiveItemFromFile("lantern", "lantern.ent"); // Светилка. Мы ведь не негры и уголь не воруем)
    IsSolvedCallBack@ cb = @puzzleSolvedCallBack;
    string[] levers = {"lever_nice01_1","lever_nice01_2","lever_nice01_3","lever_nice01_4"}; // Имена ответственных рычагов. Порядок указания учитывается!
    int[] solutionz = {1,2,4}; // Позиции правильных рычагов для решения паззла.
    bp = BitwisePuzzle(levers,solutionz,@cb);
}

void puzzleSolvedCallBack(bool solveState)
{
SetSwingDoorLocked("castle_1", !solveState, true);
SetLampLit("hanging_lantern_wall_5", solveState, true);
}


void doSw(string &in asEntity, int alState)
{
    SetLeverStuckState(asEntity, alState, true);
    bp.notifySwitch(asEntity, alState);
    uint64 field = bp.getBitField();
    for(int i=0;i<4;i++)
        SetLampLit("hanging_lantern_wall_"+(i+1), (1<<i&field) > 0, true);
}