shockhandler.c

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class ShockHandler
{   
    protected float                         m_Shock;
    protected float                         m_ShockValueMax;
    protected float                         m_ShockValueThreshold;
    protected PlayerBase                    m_Player;
    
    protected const float                   UPDATE_THRESHOLD = 3; //NOTE : The lower, the more precise but the more synchronization
    const float                             VALUE_CHECK_INTERVAL = 0.95; //in seconds 
    protected float                         m_CumulatedShock;
    private float                           m_TimeSinceLastTick = VALUE_CHECK_INTERVAL + 1;
    private float                           m_ShockMultiplier = 1;
    private float                           m_PrevVignette; //Previous vignette shock value
    private float                           m_LerpRes; //Lerp result
    
    private const int                       LIGHT_SHOCK_HIT = 33;
    private const int                       MID_SHOCK_HIT = 67;
    private const int                       HEAVY_SHOCK_HIT = 100;
    private const int                       INTENSITY_FACTOR = 1; //How intense the vignette effect will be, the higher the value, the stronger the effect
    
    //Pulsing effect
    private const float                     PULSE_PERIOD = 0.5; //The time it takes for pulse to do a full cycle
    private const float                     PULSE_AMPLITUDE = 0.05; //This is a multiplier, keep below 1 or expect the unexpected
    private       float                     m_PulseTimer;
    
    protected ref Param1<float>             m_Param;
    
    void ShockHandler(PlayerBase player)
    {
        m_Player = player;
        m_Player.m_CurrentShock = m_Player.GetMaxHealth("", "Shock");
        m_PrevVignette = m_Player.m_CurrentShock * 0.01; //Equivalent to divided by 100
        m_ShockValueMax = m_Player.GetMaxHealth("", "Shock");
        m_ShockValueThreshold = m_ShockValueMax * 0.95;
        m_Param = new Param1<float>(0);
    }
 
    void Update(float deltaT)
    {
        m_TimeSinceLastTick += deltaT;
        
        m_PulseTimer += deltaT;
        
        if ( GetGame().IsClient() )
        {
            //Deactivate tunnel vignette when player falls unconscious
            if ( m_Player.IsUnconscious() )
            {
                PPERequesterBank.GetRequester(PPERequester_TunnelVisionEffects).Stop();
                return;
            }
            
            //Deactivate if above visible threshold (also stops "zero bobbing" being sent all the time
            if ( m_Player.m_CurrentShock >= m_ShockValueThreshold)
            {
                PPERequesterBank.GetRequester(PPERequester_TunnelVisionEffects).Stop();
                return;
            }
            
            //Add bobbing to create pulsing effect
            float val = 0.0;
            if ( m_Player.m_CurrentShock > m_ShockValueMax * 0.8)
                val = MiscGameplayFunctions.Bobbing( PULSE_PERIOD, PULSE_AMPLITUDE, m_PulseTimer );
            float val_adjusted;
            
            if ( m_Player.m_CurrentShock != (m_PrevVignette * 100) )
            {
                //Interpolate between previous level and currently synchronized shock level
                m_LerpRes = LerpVignette( m_PrevVignette, NormalizeShockVal(m_Player.m_CurrentShock), m_TimeSinceLastTick );
                
                val_adjusted = 1 - Easing.EaseInQuart(m_LerpRes) + val;
            }
            else
            {
                val_adjusted = 1 - Easing.EaseInQuart( NormalizeShockVal(m_Player.m_CurrentShock)) + val;
            }
            
            m_Param.param1 = val_adjusted;
            PPERequesterBank.GetRequester(PPERequester_TunnelVisionEffects).Start(m_Param);
        }
        
        if ( m_TimeSinceLastTick > VALUE_CHECK_INTERVAL )
        {
            //Play the shock hit event (multiply prevVignette by 100 to "Un-Normalize" value)
            if ( GetGame().IsClient() )
            {
                ShockHitEffect( m_PrevVignette * 100 );
                m_PrevVignette = m_Player.m_CurrentShock * 0.01;
            }
            
            CheckValue( false );
            m_TimeSinceLastTick = 0;
        }
    }
    
    float GetCurrentShock()
    {
        return m_Player.m_CurrentShock;
    }
    
    float GetShock()
    {
        return m_Shock;
    }
    
    void SetShock( float dealtShock )
    {
        m_Shock += dealtShock;
        CheckValue( false );
    }
    
    //Inflict shock damage
    private void DealShock()
    {
        if ( GetGame().IsServer() )
            m_Player.GiveShock( -m_CumulatedShock );
    }
    
    //Passing a value of FALSE will only check the values, a value of TRUE will force a synchronization (don't use too often)
    void CheckValue(bool forceUpdate)
    {
        m_CumulatedShock += m_Shock; // increment on both client and server
        
        if ( forceUpdate )
            m_PrevVignette = NormalizeShockVal( m_Player.m_CurrentShock );
        
        if ( GetGame().IsServer() )
        {   
            m_Player.m_CurrentShock = m_Player.GetHealth("", "Shock");
            
            /*
            if (m_Player.m_CurrentShock <= 0)
                m_Player.SetHealthMax("", "Shock");
            */
            if ( m_CumulatedShock >= UPDATE_THRESHOLD || forceUpdate )
            {
                m_CumulatedShock *= m_ShockMultiplier;
                DealShock();
                m_CumulatedShock = 0;
                m_Shock = 0;
            
                Synchronize();
            }
        }
    }
    
    protected void Synchronize()
    {
        DayZPlayerSyncJunctures.SendShock( m_Player, m_Player.m_CurrentShock );
    }
    
    float SetMultiplier(float mult)
    {
        m_ShockMultiplier = mult;
        return m_ShockMultiplier;
    }
    
    private float NormalizeShockVal( float shock )
    {
        float base = m_Player.GetMaxHealth("", "Shock") * INTENSITY_FACTOR;
        float normShock = shock / base;
        return normShock;
    }
    
    private float LerpVignette( float x, float y, float deltaT )
    {
        float output;
        output = Math.Lerp( x, y, deltaT );
        return output;
    }
    
    //ONLY CLIENT SIDE
    private void ShockHitEffect( float compareBase )
    {
        float shockDifference = compareBase - m_Player.m_CurrentShock;
        //Print(shockDifference);
        if ( shockDifference >= UPDATE_THRESHOLD )
        {
            if ( m_CumulatedShock < 25 )
                m_Player.SpawnShockEffect( MiscGameplayFunctions.Normalize( LIGHT_SHOCK_HIT, 100 ) ); 
            else if ( m_CumulatedShock < 50 )
                m_Player.SpawnShockEffect( MiscGameplayFunctions.Normalize( MID_SHOCK_HIT, 100 ) );
            else
                m_Player.SpawnShockEffect( MiscGameplayFunctions.Normalize( HEAVY_SHOCK_HIT, 100 ) );
        }
    }
};