InventoryItem.c

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class InventoryItem extends EntityAI
{   
    static private const float SOUND_CONTACT_SKIP = 0.33;//second
    
#ifdef DIAG_DEVELOPER
    static private ref array<ref string> s_ImpactSoundsInfo = new array<ref string>();
#endif
 
    private SoundLookupTable m_SoundImpactTable;
    private float m_SoundContactTickTime;
    private bool m_IsMeleeWeapon = false;
    
    proto native InventoryItemType GetInventoryItemType();
 
    proto native void SwitchOn(bool onOff);
    proto native bool IsOn();
    
    proto native void EnableCollisionsWithCharacter(bool state);
    proto native bool HasCollisionsWithCharacter();
 
    proto native MeleeCombatData GetMeleeCombatData();  
    
    proto native void ThrowPhysically(DayZPlayer player, vector force, bool collideWithCharacters = true);
 
    //  This method performs an OR operation with the config 'forceFarBubble'. If set in the config 
    //  this method has no effect. 
    proto native void ForceFarBubble(bool state);
    
    void InventoryItem()
    {
        InitImpactSoundData();
        
        if (ConfigIsExisting("isMeleeWeapon"))
            m_IsMeleeWeapon = ConfigGetBool("isMeleeWeapon");
    }
    
    
    void OnRightClick()
    {
    
    }
 
    event bool OnUseFromInventory(Man owner)
    {
        return false;
    }
 
    string GetTooltip()
    {
        string temp;
        if (!DescriptionOverride(temp))
            temp = ConfigGetString("descriptionShort");
        return temp;
    }
 
    override bool IsInventoryItem()
    {
        return true;
    }
    
    int GetMeleeMode()
    {
        return 0;
    }
 
    int GetMeleeHeavyMode()
    {
        return 1;
    }   
    
    int GetMeleeSprintMode()
    {
        return 2;
    }
    
    override bool IsMeleeWeapon()
    {
        return m_IsMeleeWeapon;
    }
    
    bool IsMeleeFinisher()
    {
        return false;
    }
    
    // -------------------------------------------------------------------------------
    void PlayImpactSound(float weight, float velocity, int surfaceHash)
    {
        if (!m_SoundImpactTable)
            return;
 
        SoundObjectBuilder soundBuilder = m_SoundImpactTable.GetSoundBuilder(surfaceHash);
        if (soundBuilder != null)
        {
            soundBuilder.SetVariable("weight", weight);
            soundBuilder.SetVariable("speed", velocity);
            soundBuilder.UpdateEnvSoundControllers(GetPosition());
                
            SoundObject soundObject = soundBuilder.BuildSoundObject();
            if (soundObject != null)
            {
                soundObject.SetKind(WaveKind.WAVEEFFECTEX);
                PlaySound(soundObject, soundBuilder);
            }
        }
    }
    
    // -------------------------------------------------------------------------------
    protected void InitImpactSoundData()
    {
        #ifndef SERVER
        string soundImpactType = "default";
        if ( ConfigIsExisting("soundImpactType") )
            soundImpactType = ConfigGetString("soundImpactType");
        
        m_SoundImpactTable = AnimSoundLookupTableBank.GetInstance().GetImpactTable(soundImpactType + "_Impact_LookupTable");
        #endif
    }
    
    // -------------------------------------------------------------------------------
    AbstractWave PlaySound(SoundObject so, SoundObjectBuilder sob)
    {
        if (so == null)
            return null;
 
        so.SetPosition(GetPosition());
        AbstractWave wave = GetGame().GetSoundScene().Play3D(so, sob);
 
        return wave;
    }
    
    // -------------------------------------------------------------------------------
    void PlaySoundByAnimEvent(EAnimSoundEventID id)
    {
        AnimSoundEvent soundEvent = GetInventoryItemType().GetSoundEvent(id);
        if (soundEvent)
        {
            SoundObjectBuilder builder = soundEvent.GetSoundBuilder();
            SoundObject soundObject = builder.BuildSoundObject();
            if (soundObject)
                PlaySound(soundObject, builder);
        }
    }
    
    
    // -------------------------------------------------------------------------------
    string GetImpactSurfaceType(IEntity other, Contact impact)
    {
        string surface;
        int liquid = -1;
        return GetImpactSurfaceTypeEx(other, impact, liquid);
    }
    
    // -------------------------------------------------------------------------------
    string GetImpactSurfaceTypeEx(IEntity other, Contact impact, out int liquid)
    {       
        vector mins, maxs;
        GetWorldBounds(mins, maxs);
        vector size = maxs - mins;      
 
        vector add = impact.RelativeVelocityBefore.Normalized() * size.Length();
        string surfaceImpact;
        if (DayZPhysics.GetHitSurface(
            Object.Cast(other),
            impact.Position + add,
            impact.Position - add,
            surfaceImpact))
        {
            return surfaceImpact;
        }
        string surface;
        GetGame().SurfaceUnderObjectEx(this, surface, surfaceImpact, liquid);
        return surfaceImpact;
    }
    
    string GetRuinedMeleeAmmoType()
    {
        return "MeleeSoft";
    }
 
    // -------------------------------------------------------------------------------
    float ProcessImpactSound(IEntity other, Contact extra, float weight, out int surfaceHash)
    {
        int liquidType = -1;
        return ProcessImpactSoundEx(other, extra, weight, surfaceHash,liquidType);
    }
    
    
    // -------------------------------------------------------------------------------
    float ProcessImpactSoundEx(IEntity other, Contact extra, float weight, out int surfaceHash, out int liquidType)
    {
        float impactVelocity = extra.RelativeVelocityBefore.Length();
        if ( impactVelocity < 0.3 )
            return 0.0;
        
        float tickTime = GetGame().GetTickTime();
        if ( m_SoundContactTickTime + SOUND_CONTACT_SKIP > tickTime )
            return 0.0;
        
        string surfaceName = GetImpactSurfaceTypeEx(other, extra, liquidType);
        if ( surfaceName == "" )
            return 0.0;
 
#ifdef DIAG_DEVELOPER
        string infoText = "Surface: " + surfaceName + ", Weight: " + weight + ", Speed: " + impactVelocity;
        
        if ( s_ImpactSoundsInfo.Count() == 10 )
            s_ImpactSoundsInfo.Remove(9);
        
        s_ImpactSoundsInfo.InsertAt(infoText, 0);
#endif
 
        m_SoundContactTickTime = tickTime;
 
        surfaceHash = surfaceName.Hash();
        return impactVelocity;      
    }
    
#ifdef DIAG_DEVELOPER
    static void DrawImpacts()
    {
        DbgUI.Begin("Item impact sounds", 10, 200);
        
        for ( int i = 0; i < s_ImpactSoundsInfo.Count(); ++i )
        {
            string line = (i + 1).ToString() + ". " + s_ImpactSoundsInfo.Get(i);
            DbgUI.Text(line);
        }
        
        DbgUI.End();
    }
#endif
};