CrossHairSelector.c

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class CrossHair
{
    protected string                    m_Name;
    protected bool                      m_Shown;
    protected bool                      m_Current;
 
    protected Widget                    m_Widget;
    
    void CrossHair(Widget w)
    {
        m_Widget = w;
        m_Name = w.GetName();
        m_Shown = true;
        m_Current = false;
    }
 
    void ~CrossHair() {}
 
    string GetName()
    {
        return m_Name;
    }
 
    bool IsCurrent()
    {
        return m_Current;
    }
 
    bool IsShown()
    {
        return m_Shown;
    }
 
    void Show()
    {
        m_Shown = false;
        m_Current = true;
        m_Widget.Show(true);
    }
    
    void Hide()
    {
        m_Shown = true;
        m_Current = false;
        m_Widget.Show(false);
    }
    
    Widget GetWidget()
    {
        return m_Widget;
    }
}
 
class CrossHairSelector extends ScriptedWidgetEventHandler
{
    protected PlayerBase                    m_Player;
    protected ActionManagerBase             m_AM;
    
    protected Widget                    m_Root;
 
    protected ref set<ref CrossHair>    m_CrossHairs;
 
    protected vector m_PreviousDirection;
    protected bool m_PreviousDirectionSet;
    
    void CrossHairSelector()
    {
        m_Player        = null;
        m_AM            = null;
        m_CrossHairs    = new set<ref CrossHair>;
 
        GetGame().GetPostUpdateQueue(CALL_CATEGORY_GUI).Insert(Update);
    }
        
    void ~CrossHairSelector()
    {
        GetGame().GetPostUpdateQueue(CALL_CATEGORY_GUI).Remove(Update);
    }
    
    protected void Init()
    {
        m_CrossHairs.Clear();
                
        Widget child = m_Root.GetChildren();
        while(child)
        {
            m_CrossHairs.Insert(CrossHair(child));
            child = child.GetSibling();
        }
    }
    
    protected void OnWidgetScriptInit(Widget w)
    {
        m_Root = w;
        m_Root.SetHandler(this);
        Init();
        m_Root.Update();
    }
    
    protected void Update()
    {
        if(!g_Game.GetProfileOption(EDayZProfilesOptions.CROSSHAIR) || g_Game.GetWorld().IsCrosshairDisabled())
        {
            if(GetCurrentCrossHair())
                ShowCrossHair(null);
            
            return;
        };
 
        if(m_Player && !m_Player.IsAlive()) // handle respawn
        {
            m_Player = null;
            m_AM = null;
        }
        if(!m_Player) GetPlayer();
        if(!m_AM) GetActionManager();
        
        if(m_Player && m_Player.IsPlayerSelected())
        {
            SelectCrossHair();
        }
    }
    
    // getters
    protected void GetPlayer()
    {
        Class.CastTo(m_Player, GetGame().GetPlayer());
    }
 
    protected void GetActionManager()
    {
        if( m_Player && m_Player.IsPlayerSelected() )
        {
            Class.CastTo(m_AM, m_Player.GetActionManager());
        }
        else
            m_AM = null;
    }
    
    protected CrossHair GetCrossHairByName(string widgetName)
    {
        for(int i = 0; i < m_CrossHairs.Count(); i++)
        {
            if(m_CrossHairs.Get(i).GetName() == widgetName)
                return m_CrossHairs.Get(i);
        }
 
        return null;
    }
 
    protected CrossHair GetCurrentCrossHair()
    {
        for(int i = 0; i < m_CrossHairs.Count(); i++)
        {
            if(m_CrossHairs.Get(i).IsCurrent())
                return m_CrossHairs.Get(i);
        }
 
        return null;
    }
    
    protected void SelectCrossHair()
    {
        if(!m_AM) return;
 
        HumanInputController hic = m_Player.GetInputController();
        ActionBase action = m_AM.GetRunningAction();
        
        bool firearmInHands = m_Player.GetItemInHands() && m_Player.GetItemInHands().IsWeapon();
 
        if ( firearmInHands && m_Player.IsRaised() && !m_Player.IsInIronsights() && !m_Player.IsInOptics() && !hic.CameraIsFreeLook() && !m_Player.GetCommand_Melee2() )
        {
            ShowCrossHair(GetCrossHairByName("crossT_128x128"));
        }
        else if (action && action.GetActionCategory() == AC_CONTINUOUS)
        {
            int actionState = m_AM.GetActionState(action);
 
            if ( actionState != UA_NONE )
                ShowCrossHair(null);
        }
        else if ( m_Player.IsRaised() || m_Player.GetCommand_Melee2() || GetGame().GetUIManager().GetMenu() != null )
        {
            ShowCrossHair(null);
        }
        else if ( m_Player.GetCommand_Unconscious() )
        {
            ShowCrossHair(null);
        }
        else
        {
            ShowCrossHair(GetCrossHairByName("dot"));
        }
    }
    
    protected void ShowCrossHair(CrossHair crossHair)
    {
        if (!crossHair)
        {
            if (GetCurrentCrossHair())
                GetCurrentCrossHair().Hide();
            
            return;
        }
        else 
        {
            if (GetCurrentCrossHair() && GetCurrentCrossHair() != crossHair)
                GetCurrentCrossHair().Hide();
        }
        
        if (!crossHair.IsCurrent() && crossHair.IsShown())
            crossHair.Show();
 
#ifdef WIP_TRACKIR
        FloatingCrossHair(crossHair.GetWidget());
#endif
    }
    
    void FloatingCrossHair(Widget widget)
    {
        HumanInputController hic = m_Player.GetInputController();
        
        if (!hic.CameraIsTracking())
        {
            widget.SetPos(0, 0);
            widget.Update();
            return;
        }
        
        ActionBase action = m_AM.GetRunningAction();
        
        float dt = GetDayZGame().GetDeltaT();
        
        HumanCommandWeapons hcw = m_Player.GetCommandModifier_Weapons();
        
        vector transform[4];
        m_Player.GetTransformWS(transform);
        
        vector aimAngles = Vector(hcw.GetBaseAimingAngleLR(), hcw.GetBaseAimingAngleUD(), 0.0);
        vector plrAngles = Math3D.MatrixToAngles(transform);
        
        aimAngles = Vector(0.0, hcw.GetBaseAimingAngleUD(), 0.0);
        plrAngles = Vector(hic.GetHeadingAngle() * -Math.RAD2DEG, 0, 0);
        
        vector resAngle = aimAngles + plrAngles;
        
        vector start;
        MiscGameplayFunctions.GetHeadBonePos(m_Player, start);
        
        vector direction = resAngle.AnglesToVector();
        
        int layer = ObjIntersectView;
        float range = 1.0;
        
        Weapon_Base weapon;
        if (Class.CastTo(weapon, m_Player.GetItemInHands()) && m_Player.IsRaised())
        {
            layer = ObjIntersectFire;
            range = 10.0;
            
            vector usti_hlavne_position = weapon.GetSelectionPositionMS( "usti hlavne" );
            vector konec_hlavne_position = weapon.GetSelectionPositionMS( "konec hlavne" );
            usti_hlavne_position = m_Player.ModelToWorld(usti_hlavne_position);
            konec_hlavne_position = m_Player.ModelToWorld(konec_hlavne_position);
            
            vector contact_dir;
            int contact_component;
            
            direction = konec_hlavne_position - usti_hlavne_position;
            direction.Normalize();
            
            start = konec_hlavne_position;
            
            m_PreviousDirectionSet = false;
        }
        else
        {
            if (!m_PreviousDirectionSet)
            {
                m_PreviousDirectionSet = true;
                m_PreviousDirection = direction;
            }
            
            float r0[4];
            float r1[4];
            
            vector t[4];
            
            Math3D.DirectionAndUpMatrix(m_PreviousDirection, vector.Up, t);
            Math3D.MatrixToQuat(t, r0);
            
            Math3D.DirectionAndUpMatrix(direction, vector.Up, t);
            Math3D.MatrixToQuat(t, r1);
            
            Math3D.QuatLerp(r0, r0, r1, 0.1);
            
            Math3D.QuatToMatrix(r0, t);
            
            direction = t[2];
        
            m_PreviousDirection = direction;
        }
        
        vector end = start + (direction * range);
        vector position = end;
        
        DayZPhysics.RaycastRV(start, end, position, contact_dir, contact_component, null, m_Player, m_Player, false, false, layer);
        
        /*
        vector lines[2];
        lines[0] = start;
        lines[1] = end;
        
        Shape.CreateSphere(0xFFFFFF00, ShapeFlags.ONCE, usti_hlavne_position, 0.1);
        Shape.CreateSphere(0xFFFFFF00, ShapeFlags.ONCE, konec_hlavne_position, 0.1);
        Shape.CreateLines(0xFF00FF00, ShapeFlags.ONCE, lines, 2);
        */
        
        vector screenSpace = GetGame().GetScreenPos(position);
 
        float sx, sy;
        widget.GetScreenSize(sx, sy);
        screenSpace[0] = screenSpace[0] - (sx * 0.5);
        screenSpace[1] = screenSpace[1] - (sy * 0.5);
            
        widget.SetScreenPos(screenSpace[0], screenSpace[1]);
        widget.Update();
    }
}