HAI GUYS! - Printable Version

Code:
/* OverView:



We have 2 cranks. These are used to crank the door open. The door is dynamically attached to the remaining crank

after the first one has undergone a full revolution. This is handled by crankStateChanged().



These cranks, however, state off de-activated until the player puts the cranks in.



*/



void OnStart() {

  //Intitate the crank enabling (using) part:

  //If you had a lot of cranks, you could easily set this up as a for loop.

  SetEntityActive("crank_base_1",false);

  SetEntityActive("crank_base_2",false);

  AddUseItemCallback("CBcrank", "crank_wood_1", "base_1", "attachCrankToBase", false);

  AddUseItemCallback("CBcrank", "crank_wood_2", "base_1", "attachCrankToBase", false);

  AddUseItemCallback("CBcrank", "crank_wood_1", "base_2", "attachCrankToBase", false);

  AddUseItemCallback("CBcrank", "crank_wood_2", "base_2", "attachCrankToBase", false);

  //Intiate the crank spinning part:

  //Say we have two cranks in total.

  SetLocalVarInt("CrankCount",2);

  //Say how many cranks are already in their finished state. This is currently 0.

  SetLocalVarInt("CranksDone",0);

 }

void OnEnter() {}

void OnLeave() {}



/////////////////////////////////////////////////////////////

//CONSTANTS                                                //

/////////////////////////////////////////////////////////////

const string _crankSignature = "crank_base_"; //Constant so you can change the naming of your cranks. 

const string _doorName = "vertical_door_1";   //Place the name of your door here



/////////////////////////////////////////////////////////////

//Called when one of the item cranks is used on a mount    //

/////////////////////////////////////////////////////////////

void attachCrankToBase(string &in asItem, string &in asEntity)

 { 

   if(GetLocalVarInt("ActivatedCrank"+asEntity) == 1) 

    { //Person tried to use crank on crank!

      //Tell them they can't do this (May want to make custom message)?

      SetMessage("Inventory","UseItemDoesNotWork",0);

    }

   else

    { //As the names of the base are substrings of the crank's name, this part is really trivial.

      //Base names are done_1 and done_2. Crank names are crank_done_1 and crank_done_2. 

      SetEntityActive("crank_"+asEntity,true);

      SetWheelStuckState("crank_"+asEntity,0,false); //This fixes random spinning when activate is called after attach.

      //Prevent more than one attach to this attach point by flagging this attach as done.

      SetLocalVarInt("ActivatedCrank"+asEntity,1);

      //Remove the item from the inventory

      RemoveItem(asItem);

    }

 }



/////////////////////////////////////////////////////////////

//Called when one of the activated cranks is used and      //

//changes from one state to another (min -1 , max 1)       //

//this routine is called by BOTH CRANKS!                   //

/////////////////////////////////////////////////////////////

void crankStateChanged(string &in entity, int state) {

   AddDebugMessage("StateChanged for crank "+ entity + " to " + state,false);

   

   //Stores the entities state for future reference

   SetLocalVarInt("state_"+entity,state);

   

   //If the crank is uncranked, decrease cranksDone count, else increase it...

   //State is either +1 or -1. We make use of this to increase or decrease.

   AddLocalVarInt("CranksDone",state); 

      

   //If we have only one crank left, then that crank needs to be attached to the door.

   int crankCount = GetLocalVarInt("CrankCount");

   if(GetLocalVarInt("CranksDone") == crankCount-1)

    { //Find the crank that isn't attached yet so we can attach it.

      for(int i=1; i<=crankCount; i++) 

       { 

        if(GetLocalVarInt("state_"+_crankSignature+i) != 1) 

         { //Found it? Attach it! Don't need to loop further now.

             InteractConnectPropWithMoveObject("MoveDoor",_crankSignature+i,_doorName,true,false,1); 

          i=crankCount;

         }

       }

    }

    

    //If this crank is not the last crank, and it was moved to it's maximum.

    //We can safely lock this crank in place, then forget about it.

    if( (crankCount > GetLocalVarInt("CranksDone")) && (state == 1) ) SetWheelStuckState(entity,1,true);

  }