dayzplayerimplementthrowing.c

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class DayZPlayerImplementThrowing
{
    void DayZPlayerImplementThrowing(DayZPlayer pPlayer)
    {
        m_Player = pPlayer;
        SetThrowingModeEnabled(false);
        
        ResetState();
    }
    
    void HandleThrowing(HumanInputController pHic, HumanCommandWeapons pHcw, EntityAI pEntityInHands, float pDt)
    {
        if ( !pEntityInHands && !m_bThrowingAnimationPlaying )
        {
            if ( m_bThrowingModeEnabled )
            {
                CancelThrowing(pHic, pHcw);
            }
            
            return;
        }
        
        SetThrowingModeEnabled(pHcw.IsThrowingMode());
        
        if ( pHic.IsThrowingModeChange() && CanChangeThrowingStance(pHic) )
        {
            ResetState();
            
            pHcw.SetActionProgressParams(0, 0);
            pHcw.SetThrowingMode(!m_bThrowingModeEnabled);
        }
        
        if ( m_bThrowingModeEnabled )
        {
            
            if ( !CanContinueThrowingEx(pHic, pEntityInHands) )
            {
                CancelThrowing(pHic, pHcw);
                return;
            }
            
            if ( pHcw.WasItemLeaveHandsEvent() )
            {
                float lr = pHcw.GetBaseAimingAngleLR();
                float ud = pHcw.GetBaseAimingAngleUD();
                vector aimOrientation = m_Player.GetOrientation();
                aimOrientation[0] = aimOrientation[0] + lr;
                
                //add 5 deg 
                aimOrientation[1] = aimOrientation[1] + ud + 5;
                
                //clear inventoy reservation in case item is reserved (e.g. action was executed on this player)
                InventoryLocation loc = new InventoryLocation;
                pEntityInHands.GetInventory().GetCurrentInventoryLocation(loc);
                m_Player.GetInventory().ClearInventoryReservationEx(pEntityInHands, loc);
                
                m_Player.GetHumanInventory().ThrowEntity(pEntityInHands, aimOrientation.AnglesToVector(), c_fThrowingForceMin + m_fThrowingForce01 * (c_fThrowingForceMax - c_fThrowingForceMin));
                return;
            }

            if ( !m_bThrowingAnimationPlaying )
            {
                if ( pHic.IsAttackButton() )
                {
                    if ( !m_bThrowingInProgress )
                        m_bThrowingInProgress = true;
                    
                    m_fThrowingForce01 += pDt * c_fThrowingForceCoef;
                    if ( m_fThrowingForce01 > 1.0 )
                        m_fThrowingForce01 = 1.0;
                    
                    pHcw.SetActionProgressParams(m_fThrowingForce01, 0);
                }
                else
                {
                    HumanCommandMove hcm = m_Player.GetCommand_Move();
                    bool standingFromBack = hcm && hcm.IsStandingFromBack();
                    
                    if (m_bThrowingInProgress && standingFromBack)
                    {
                        CancelThrowing(pHic, pHcw);
                        return;
                    }
                    
                    if ( m_bThrowingInProgress)
                    {
                        m_bThrowingInProgress = false;
                        
                        int throwType = 1;
                        
                        HumanItemBehaviorCfg itemCfg = m_Player.GetItemAccessor().GetItemInHandsBehaviourCfg();
                        itemCfg = m_Player.GetItemAccessor().GetItemInHandsBehaviourCfg();
                        if ( itemCfg )
                        {
                            switch ( itemCfg.m_iType )
                            {
                                case ItemBehaviorType.TWOHANDED:
                                case ItemBehaviorType.POLEARMS:
                                    throwType = 2;
                                    break;
                                case ItemBehaviorType.FIREARMS:
                                    throwType = 3;
                            }
                        }
                        
                        pHcw.ThrowItem(throwType);
                        m_bThrowingAnimationPlaying = true;
                    }
                }
            }
        }
        else
        {
            ResetState();
        }
    }
    
    void CancelThrowing(HumanInputController pHic, HumanCommandWeapons pHcw)
    {
        SetThrowingModeEnabled(false);
        ResetState();
        
        if (pHcw)
        {
            pHcw.SetActionProgressParams(0, 0);
            pHcw.SetThrowingMode(false);
        }
        
        if (pHic)
        {
            pHic.ResetThrowingMode();
        }
    }
    
    void ResetState()
    {
        m_fThrowingForce01 = 0;
        m_bThrowingInProgress = false;
        m_bThrowingAnimationPlaying = false;
    }
    
    void SetThrowingModeEnabled(bool enable)
    {
        if (enable != m_bThrowingModeEnabled)
        {
            m_Player.OnThrowingModeChange(enable);
        }
        m_bThrowingModeEnabled = enable;
    }
    
    bool IsThrowingModeEnabled()
    {
        return m_bThrowingModeEnabled;
    }
    
    bool IsThrowingInProgress()
    {
        return m_bThrowingInProgress;
    }
    
    bool IsThrowingAnimationPlaying()
    {
        return m_bThrowingAnimationPlaying;
    }
    
    bool CanChangeThrowingStance(HumanInputController pHic)
    {
        // basic stance has priority
        if( pHic.IsStanceChange() )
            return false;
        
        // don't change mode in raise
        if( pHic.IsWeaponRaised() )
            return false;
            
        // check if it's not a heavy item
        HumanItemBehaviorCfg itemCfg = m_Player.GetItemAccessor().GetItemInHandsBehaviourCfg();
        if( itemCfg && itemCfg.m_iType == ItemBehaviorType.HEAVY )
            return false;
        
/*      HumanMovementState movementState = new HumanMovementState();
        m_Player.GetMovementState(movementState);
        if( movementState.IsInProne() )
            return false;*/
        
        PlayerBase playerPB = PlayerBase.Cast(m_Player);
        if( playerPB )
        {
            if( playerPB.GetEmoteManager().IsEmotePlaying() )
                return false;
        
            if( playerPB.GetActionManager().GetRunningAction() != NULL )
                return false;
        
            if( playerPB.IsRestrained() || playerPB.IsItemsToDelete())
                return false;
        
            if( playerPB.GetDayZPlayerInventory().IsProcessing() )
                return false;
        
            if( playerPB.GetWeaponManager().IsRunning() )
                return false;
        }
        
        if (!CheckFreeSpace() )
            return false;
 
        return true;
    }
    
    bool CanContinueThrowing(HumanInputController pHic)
    {
        HumanItemBehaviorCfg itemInHandsCfg = m_Player.GetItemAccessor().GetItemInHandsBehaviourCfg();
        HumanCommandMove hcm = m_Player.GetCommand_Move();
        bool boo = false;
        UAInterface input_interface = m_Player.GetInputInterface();
        if(input_interface && input_interface.SyncedPress("UAGear"))
        {
            boo = true;
        }
        
        if( boo || pHic.IsWeaponRaised() || (m_bThrowingInProgress && hcm && (hcm.IsChangingStance() || hcm.IsStandingFromBack())) || (itemInHandsCfg && itemInHandsCfg.m_iType == ItemBehaviorType.HEAVY) )
        {
            return false;
        }
        
        if (!CheckFreeSpace() )
            return false;
 
        return true;
    }
    
    bool CanContinueThrowingEx(HumanInputController pHic, EntityAI pEntityInHands)
    {
        if ( pEntityInHands == null )
            return false;
        
        return CanContinueThrowing(pHic);
    }
    
    bool CheckFreeSpace()
    {
        return m_Player.CheckFreeSpace(vector.Forward, 0.7, false);
    }
    
    private DayZPlayer m_Player;
    private bool m_bThrowingModeEnabled;
    private bool m_bThrowingInProgress;
    private bool m_bThrowingAnimationPlaying;
    private float m_fThrowingForce01;
    
    private const float c_fThrowingForceMin = 20.0;
    private const float c_fThrowingForceMax = 90.0;
    private const float c_fThrowingForceCoef = 1.0;
}