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();
                m_ItemQuantity = m_ItemMaxQuantity; //target_item.GetQuantity();
            }
            else //
            {
                m_ItemMaxQuantity = target_item.GetQuantity();
                m_ItemQuantity = m_ItemMaxQuantity; //target_item.GetQuantity();
            }
        }
        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();
                m_ItemQuantity = m_ItemMaxQuantity; //action_data.m_MainItem.GetQuantity();
            }
            else //
            {
                m_ItemMaxQuantity = action_data.m_MainItem.GetQuantity();
                m_ItemQuantity = m_ItemMaxQuantity; //target_item.GetQuantity();
            }
        }
    }
    
    
    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;
    }
}