SCR_DeathScreenEffect.c

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class SCR_DeathScreenEffect : SCR_BaseScreenEffect
{
    // Play Animation of DeathEffect()
    protected const float DEATHEFFECT_START_OPACITY                     = 0.7;
    protected const float DEATHEFFECT_FADEIN_OPACITY_DURATION           = 8;
    protected const float DEATHEFFECT_FADEIN_PROGRESSION_DURACTION      = 5;
 
    // Play Animation of InstaDeathEffect()
    protected const float INSTADEATHEFFECT_START_OPACITY                = 0.4;
    protected const float INSTADEATHEFFECT_START_PROGRESSION            = 0.4;
    protected const float INSTADEATHEFFECT_FADEIN_OPACITY_DURATION  = 8.5;
    protected const float INSTADEATHEFFECT_FADEIN_PROGRESSION_DURACTION= 10;
    
    protected const float DEATHEFFECT_FADEIN_OPACITY_TARGET     = 1;
    protected const float DEATHEFFECT_FADEIN_PROGRESSION_TARGET     = 1;
 
    // Widgets
    protected ImageWidget                           m_wDeath;
    protected ImageWidget                           m_wBlackOut;
 
    // Character
    protected ChimeraCharacter                      m_pCharacterEntity;
    protected SCR_HitZone                           m_pHeadHitZone;
    protected SCR_CharacterDamageManagerComponent m_pDamageManager;
 
 
    //------------------------------------------------------------------------------------------------
    override void DisplayStartDraw(IEntity owner)
    {
        m_pCharacterEntity = ChimeraCharacter.Cast(owner);
 
        m_wDeath = ImageWidget.Cast(m_wRoot.FindAnyWidget("DeathOverlay"));
        m_wBlackOut = ImageWidget.Cast(m_wRoot.FindAnyWidget("DeathBlackOut"));
    }
 
    //------------------------------------------------------------------------------------------------
    override void DisplayControlledEntityChanged(IEntity from, IEntity to)
    {
        if (!to)
            return;
 
        m_pCharacterEntity = ChimeraCharacter.Cast(to);
        if (!m_pCharacterEntity)
            return;
 
        //Don't remove effects until new entity was aquired, so death effects persist through death
        ClearEffects();
 
        m_pDamageManager = SCR_CharacterDamageManagerComponent.Cast(m_pCharacterEntity.GetDamageManager());
        if (!m_pDamageManager)
            return;
 
        // Invoker for momentary damage events and DOT damage events
        m_pHeadHitZone = m_pDamageManager.GetHeadHitZone();
 
        if (m_pHeadHitZone)
            m_pHeadHitZone.GetOnDamageStateChanged().Insert(InstaDeathEffect);
 
        m_pDamageManager.GetOnDamageStateChanged().Insert(OnDamageStateChanged);
    }
 
    //------------------------------------------------------------------------------------------------
    private void OnDamageStateChanged()
    {
        if (m_pDamageManager.GetState() != EDamageState.DESTROYED)
            return;
 
        if (m_pHeadHitZone.GetDamageState() != EDamageState.DESTROYED)
            DeathEffect();
        else
            InstaDeathEffect();
    }
 
    //------------------------------------------------------------------------------------------------
    protected void DeathEffect()
    {
        if (!m_wDeath)
            return;
 
        AnimateWidget.StopAllAnimations(m_wDeath);
        
        m_wDeath.SetOpacity(DEATHEFFECT_START_OPACITY);     
        AnimateEffectVisibility(m_wDeath, DEATHEFFECT_FADEIN_OPACITY_TARGET, DEATHEFFECT_FADEIN_PROGRESSION_TARGET, DEATHEFFECT_FADEIN_OPACITY_DURATION, DEATHEFFECT_FADEIN_PROGRESSION_DURACTION);
    }
 
    //------------------------------------------------------------------------------------------------
    protected void InstaDeathEffect()
    {
        if (!m_wDeath)
            return;
 
        if (m_pHeadHitZone.GetDamageState() != EDamageState.DESTROYED)
            return;
 
        if (m_pDamageManager.GetState() != EDamageState.DESTROYED)
            return;
 
        AnimateWidget.StopAllAnimations(m_wDeath);
        
        m_wDeath.SetOpacity(INSTADEATHEFFECT_START_OPACITY);
        m_wDeath.SetMaskProgress(INSTADEATHEFFECT_START_PROGRESSION);       
        AnimateEffectVisibility(m_wDeath, DEATHEFFECT_FADEIN_OPACITY_TARGET, DEATHEFFECT_FADEIN_PROGRESSION_TARGET, INSTADEATHEFFECT_FADEIN_OPACITY_DURATION, INSTADEATHEFFECT_FADEIN_PROGRESSION_DURACTION);
    }
 
    //------------------------------------------------------------------------------------------------
    protected override void ClearEffects()
    {
        if (m_pDamageManager)
            m_pDamageManager.GetOnDamageStateChanged().Remove(OnDamageStateChanged);
 
        if (m_pHeadHitZone)
            m_pHeadHitZone.GetOnDamageStateChanged().Remove(InstaDeathEffect);
 
        if (m_wDeath)
            HideSingleEffect(m_wDeath);
    }
}