injuryhandler.c

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class InjuryHandlerThresholds
{
    const float WORN = 0.5;
    const float DAMAGED = 0.3;
    const float BADLY_DAMAGED = 0.2;
    const float RUINED = 0.1;
};
 
class InjuryAnimValues
{
    const float LVL0 = 0;
    const float LVL1 = 0.3;
    const float LVL2 = 0.6;
    const float LVL3 = 0.8;
    const float LVL4 = 1;
};
 
enum eInjuryHandlerLevels
{
    PRISTINE,
    WORN,
    DAMAGED,
    BADLY_DAMAGED,
    RUINED,
}
 
enum eInjuryOverrides
{
    NONE = 0,
    MORPHINE = 1,
    PAIN_KILLERS_LVL0 = 2,
    PAIN_KILLERS_LVL1 = 4,
    BROKEN_LEGS = 8, //New
    BROKEN_LEGS_SPLINT = 16, //New
    PRONE_ANIM_OVERRIDE = 32, //Prevent non pristine animation when prone
}
 
class InjuryAnimationHandler
{
 
    const float VALUE_CHECK_INTERVAL        = 5;
    const float SENSITIVTY_PERCENTAGE       = 1; //how much the value needs to change up/down from previous update to trigger a new update(in percent)
 
    ref ScriptInvoker m_ChangedStateInvoker = new ScriptInvoker();
    
    float m_TimeSinceLastTick = VALUE_CHECK_INTERVAL + 1;
    float m_LastUpdate;
    eInjuryHandlerLevels m_LastHealthUpdate;
    float m_HealthMaxValue;
    
    
    private PlayerBase m_Player; 
    private bool m_AnimationChange = false;
    private bool m_InjuryAnimEnabled = false;
    private float m_InjuryAnimDamageValue = 0;
    int m_ForceInjuryAnimMask;
    
    void InjuryAnimationHandler(PlayerBase player)
    {
        m_Player = player;
        m_HealthMaxValue = m_Player.GetMaxHealth("", "Health");
    }
    
    bool IsInjuryAnimEnabled()
    {
        return m_InjuryAnimEnabled;
    }
    
    float GetInjuryAnimValue()
    {
        return m_InjuryAnimDamageValue;
    }
    
    ScriptInvoker GetInvoker()
    {
        return m_ChangedStateInvoker;
    }
    
    void Update(float deltaT)
    {
        if ( m_AnimationChange )
        {
            m_Player.GetCommandModifier_Additives().SetInjured(m_InjuryAnimDamageValue, m_InjuryAnimEnabled);
            m_AnimationChange = false;
        }
 
        if ( g_Game.IsClient() ) 
            return;
        
        m_TimeSinceLastTick += deltaT;
 
        if ( m_TimeSinceLastTick > VALUE_CHECK_INTERVAL )
        {
            CheckValue();
            m_TimeSinceLastTick = 0;
        }
    }
 
    eInjuryHandlerLevels GetOverrideLevel(eInjuryHandlerLevels unchanged_level)
    {
        eInjuryHandlerLevels override_level = unchanged_level;
        
        //Whatever the case, prone will always use PRISTINE anim level as alternative anim level(s) are not interesting gameplaywise
        if ( m_ForceInjuryAnimMask & eInjuryOverrides.PRONE_ANIM_OVERRIDE && override_level > eInjuryHandlerLevels.PRISTINE )
        {
            override_level = eInjuryHandlerLevels.PRISTINE;
            return override_level;
        }
        
        if ( m_ForceInjuryAnimMask & eInjuryOverrides.MORPHINE && override_level > eInjuryHandlerLevels.PRISTINE )
        {
            override_level = eInjuryHandlerLevels.PRISTINE;
        }
        
        if ( m_ForceInjuryAnimMask & eInjuryOverrides.PAIN_KILLERS_LVL1 && override_level > eInjuryHandlerLevels.WORN )
        {
            override_level = eInjuryHandlerLevels.WORN;
        }
        
        if ( m_ForceInjuryAnimMask & eInjuryOverrides.PAIN_KILLERS_LVL0 && override_level > eInjuryHandlerLevels.DAMAGED )
        {
            override_level = eInjuryHandlerLevels.DAMAGED;
        }
        
        if ( m_ForceInjuryAnimMask && override_level > eInjuryHandlerLevels.DAMAGED )
        {
            override_level = eInjuryHandlerLevels.RUINED;
        }
        
        //Broken leg overrides
        if ( m_ForceInjuryAnimMask & eInjuryOverrides.BROKEN_LEGS_SPLINT && override_level < eInjuryHandlerLevels.DAMAGED )
        {
            override_level = eInjuryHandlerLevels.DAMAGED;
        }
        
        if ( m_ForceInjuryAnimMask & eInjuryOverrides.BROKEN_LEGS && override_level < eInjuryHandlerLevels.RUINED )
        {
            //Average leg health used to determine which animation to use
            float avgLegHealth = m_Player.GetHealth("RightLeg","") + m_Player.GetHealth("LeftLeg","") + m_Player.GetHealth("RightFoot","") + m_Player.GetHealth("LeftFoot","");
            avgLegHealth *= 0.25; //divide by 4 to make the average leg health;
            if (avgLegHealth <= PlayerConstants.BROKEN_LEGS_LOW_HEALTH_THRESHOLD)
                override_level = eInjuryHandlerLevels.RUINED;
            else if (avgLegHealth >= PlayerConstants.BROKEN_LEGS_HIGH_HEALTH_THRESHOLD)
                override_level = eInjuryHandlerLevels.WORN;
            else
                override_level = eInjuryHandlerLevels.DAMAGED;
        }
        
        return override_level;
    
    }
    
    void CheckValue(bool forceUpdate = false)
    {
        float health_current_normalized = m_Player.GetHealth("","Health") / m_HealthMaxValue;
        eInjuryHandlerLevels injury_level = GetInjuryLevel(health_current_normalized);
        
        if ( m_ForceInjuryAnimMask )
        {
            injury_level = GetOverrideLevel(injury_level);
        }
        
        if ( m_LastHealthUpdate != injury_level || forceUpdate )
        {
            SendValue(injury_level);
            m_ChangedStateInvoker.Invoke(injury_level);
            m_LastHealthUpdate = injury_level;
            Synchronize(injury_level);
        }
    }
    
    void Synchronize(eInjuryHandlerLevels level)
    {
        m_Player.m_HealthLevel = level;
        //Print("m_Player.m_HealthLevel:" + m_Player.m_HealthLevel);
        m_Player.SetSynchDirty();
    }
 
    void SendValue(eInjuryHandlerLevels level)
    {
        DayZPlayerSyncJunctures.SendInjury(m_Player, true, level);
    }
    
    void SetInjuryCommandParams(bool enable, eInjuryHandlerLevels level)
    {
        m_AnimationChange = true;
        m_InjuryAnimEnabled = enable;
        m_InjuryAnimDamageValue = GetInjuryValue(level);
    }
    
    eInjuryHandlerLevels GetInjuryLevel(float health)
    {
        if ( health  < InjuryHandlerThresholds.RUINED ) 
        {
            return eInjuryHandlerLevels.RUINED;
        }
        
        if ( health  < InjuryHandlerThresholds.BADLY_DAMAGED ) 
        {
            return eInjuryHandlerLevels.BADLY_DAMAGED;
        }
        
        if ( health  < InjuryHandlerThresholds.DAMAGED )            
        {
            return eInjuryHandlerLevels.DAMAGED;
        }
        
        if ( health  < InjuryHandlerThresholds.WORN )       
        {
            return eInjuryHandlerLevels.WORN;
        }
        
        return eInjuryHandlerLevels.PRISTINE;
    }
    
    
    float GetInjuryValue(eInjuryHandlerLevels level)
    {
        switch ( level )
        {
            case eInjuryHandlerLevels.RUINED:
            {
                return InjuryAnimValues.LVL4;
            }
            case eInjuryHandlerLevels.BADLY_DAMAGED:
            {
                return InjuryAnimValues.LVL3;
            }
            case eInjuryHandlerLevels.DAMAGED:
            {
                return InjuryAnimValues.LVL2;
            }
            case eInjuryHandlerLevels.WORN:
            {
                return InjuryAnimValues.LVL1;
            }
            case eInjuryHandlerLevels.PRISTINE:
            {
                return InjuryAnimValues.LVL0;
            }
            default:
                Error("Undefined Injury level");
        }
        return 0;
    }
}