CAContinuousQuantityLiquidTransfer.c

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class CAContinuousQuantityLiquidTransfer : CAContinuousBase
{
  protected int m_TendencyDrain; //1 == drain, 0 == pour, -1 == cancel!
  protected float m_ItemQuantity;
  protected float m_SpentQuantity;
  protected float m_SpentQuantity_total;
  protected float m_ItemMaxQuantity; //basically free capacity
  protected float m_TimeElpased;
  protected float m_QuantityUsedPerSecond;
  protected float m_AdjustedQuantityUsedPerSecond;
  protected float m_DefaultTimeStep;
  protected ref Param1<float> m_SpentUnits;
 
  void CAContinuousQuantityLiquidTransfer(float quantity_used_per_second, float time_to_progress, int drain = -1) //-1 used as a safeguard; if no valid value arrives, callback is canceled
  {
    m_QuantityUsedPerSecond = quantity_used_per_second;
    m_DefaultTimeStep = time_to_progress;
    m_TendencyDrain = drain;
  }
 
  override void Setup(ActionData action_data)
  {
    ItemBase target_item = ItemBase.Cast(action_data.m_Target.GetObject());
 
    m_TimeElpased = 0;
    m_SpentQuantity = 0;
 
    if (!m_SpentUnits)
      m_SpentUnits = new Param1<float>(0);
    else
      m_SpentUnits.param1 = 0;
 
    m_QuantityUsedPerSecond *= Math.Min(action_data.m_MainItem.GetLiquidThroughputCoef(), target_item.GetLiquidThroughputCoef());
 
    if (m_TendencyDrain == 1)
    {
      if (target_item.GetQuantity() > (action_data.m_MainItem.GetQuantityMax() - action_data.m_MainItem.GetQuantity()))
        m_ItemMaxQuantity = action_data.m_MainItem.GetQuantityMax() - action_data.m_MainItem.GetQuantity();
      else
        m_ItemMaxQuantity = target_item.GetQuantity();
 
      m_ItemQuantity = m_ItemMaxQuantity;
    }
    else if (m_TendencyDrain == 0)
    {
      if (action_data.m_MainItem.GetQuantity() > (target_item.GetQuantityMax() - target_item.GetQuantity()))
        m_ItemMaxQuantity = target_item.GetQuantityMax() - target_item.GetQuantity();
      else
        m_ItemMaxQuantity = action_data.m_MainItem.GetQuantity();
 
      m_ItemQuantity = m_ItemMaxQuantity;
    }
  }
 
 
  override int Execute(ActionData action_data)
  {
    ItemBase target_item = ItemBase.Cast(action_data.m_Target.GetObject());
 
    if (!action_data.m_Player || m_TendencyDrain == -1 || !action_data.m_Target)
      return UA_ERROR;
 
    if (m_ItemQuantity <= 0)
      return UA_FINISHED;
    else
    {
      if (m_SpentQuantity_total < m_ItemQuantity)
      {
        m_AdjustedQuantityUsedPerSecond = action_data.m_Player.GetSoftSkillsManager().AddSpecialtyBonus(m_QuantityUsedPerSecond, m_Action.GetSpecialtyWeight(), true);
        m_SpentQuantity += m_AdjustedQuantityUsedPerSecond * action_data.m_Player.GetDeltaT();
        m_TimeElpased += action_data.m_Player.GetDeltaT();
 
        if (m_TimeElpased >= m_DefaultTimeStep)
        {
          CalcAndSetQuantity(action_data);
          m_TimeElpased = 0;
        }
 
        return UA_PROCESSING;
      }
      else
      {
        CalcAndSetQuantity(action_data);
        OnCompletePogress(action_data);
        return UA_FINISHED;
      }
    }
  }
 
  override int Cancel(ActionData action_data)
  {
    if (!action_data.m_Player || m_TendencyDrain == -1 || !action_data.m_Target || !action_data.m_Target.GetObject())
      return UA_ERROR;
 
    CalcAndSetQuantity(action_data);
    return UA_INTERRUPT;
  }
 
  override float GetProgress()
  {
    if (m_TendencyDrain)
      return m_SpentQuantity_total / m_ItemMaxQuantity;
    else
      return -(m_SpentQuantity_total / m_ItemMaxQuantity);
  }
 
  //---------------------------------------------------------------------------
 
  void CalcAndSetQuantity(ActionData action_data)
  {
    ItemBase target_item = ItemBase.Cast(action_data.m_Target.GetObject());
    m_SpentQuantity_total += m_SpentQuantity;
 
    if (GetGame().IsServer())
    {
      if (m_SpentUnits)
      {
        m_SpentUnits.param1 = m_SpentQuantity;
        SetACData(m_SpentUnits);
      }
 
      //could move following stuff to action itself, if needed
      if (m_TendencyDrain)
        Liquid.Transfer(target_item, action_data.m_MainItem, m_SpentQuantity);
      else
        Liquid.Transfer(action_data.m_MainItem, target_item, m_SpentQuantity);
    }
    m_SpentQuantity = 0;
  }
}