dayzplayercameraironsights.c

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class DayZPlayerCameraIronsights extends DayZPlayerCameraBase
{
    static const float  CONST_UD_MIN    = -85.0;        
    static const float  CONST_UD_MAX    = 85.0;         
    static const float  CONST_UD_MIN_BACK = -25.0;      
 
    static const float  CONST_LR_MIN    = -160.0;       
    static const float  CONST_LR_MAX    = 160.0;            
    
    protected   bool            m_isEntering    = false;
    protected   bool            m_opticsHasWeaponOverride = false;
    protected ref array<float>  temp_array; //DOF only
    
    protected PPERequester_CameraADS m_RequesterADS;
 
    float m_velocityYaw[1];
    float m_velocityPitch[1];
    float m_dynamicsStrength;
    float m_dynamicsSmoothTime;
    vector m_SightMisalignmentModifier;
    
    float m_movementTimeAcc;
    float m_movementAmplitudeX;
    float m_movementAmplitudeY;
    float m_movementFrequencyX;
    float m_movementFrequencyY;
    
 
    void    DayZPlayerCameraIronsights(DayZPlayer pPlayer, HumanInputController pInput)
    {
        if (!temp_array)
            temp_array = new array<float>;
        m_iBoneIndex = pPlayer.GetBoneIndexByName("RightHand_Dummy");
        
        if (m_iBoneIndex == -1)
        {
            Print("DayZPlayerCamera1stPerson: main bone not found");
        }
 
        m_dynamicsStrength = 2;
        m_dynamicsSmoothTime = 0.3;
        
        SetupSightEntities();
        GetCurrentSightInfo(m_OpticsCamPos, m_OpticsCamDir);
        m_isEntering = true;
        m_WeaponSwayModifier = 0.5;
        
        m_movementTimeAcc = 0;
        m_movementAmplitudeX = 1;
        m_movementAmplitudeY = 1;
        m_movementFrequencyX = 1;
        m_movementFrequencyY = 2;
        
        Class.CastTo(m_RequesterADS,PPERequester_CameraADS.Cast(PPERequesterBank.GetRequester(PPERequester_CameraADS)));
        
        Init();
    }
    
    void SetupSightEntities()
    {       
        EntityAI inHands = m_pPlayer.GetHumanInventory().GetEntityInHands();
        if (inHands)
        {
            m_weaponUsed = Weapon_Base.Cast(inHands);
            if( m_weaponUsed )
            {
                m_SightMisalignmentModifier = m_weaponUsed.GetPropertyModifierObject().m_SightMisalignment;
                m_dynamicsStrength = m_dynamicsStrength * m_SightMisalignmentModifier[0];
                m_dynamicsSmoothTime = m_dynamicsSmoothTime * m_SightMisalignmentModifier[1];
                m_opticsUsed = m_weaponUsed.GetAttachedOptics();
                if( m_opticsUsed )
                {
                    m_opticsHasWeaponOverride = m_opticsUsed.HasWeaponIronsightsOverride();
                }
            }
            else
            {
                m_opticsUsed = ItemOptics.Cast(inHands);
            }
        }
    }
    
    //
    override void OnActivate (DayZPlayerCamera pPrevCamera, DayZPlayerCameraResult pPrevCameraResult)
    {
        super.OnActivate(pPrevCamera, pPrevCameraResult);
 
        if (pPrevCamera)
        {
            vector baseAngles       = pPrevCamera.GetBaseAngles();
            m_fUpDownAngle          = baseAngles[0]; 
            m_fLeftRightAngle       = baseAngles[1]; 
 
            vector addAngles        = pPrevCamera.GetAdditiveAngles();
            m_fUpDownAngleAdd       = addAngles[0];
            m_fLeftRightAngleAdd    = addAngles[1];
        }
    }
 
    EntityAI GetCurrentSightEntity ()
    {
        if (m_opticsHasWeaponOverride)
            return m_opticsUsed;
        
        return m_weaponUsed;
    }
 
    bool GetCurrentSightInfo (out vector camPos, out vector camDir)
    {
        EntityAI e = GetCurrentSightEntity();
        if (e)
        {
            if (e == m_weaponUsed)
            {
                m_weaponUsed.GetCameraPoint(m_weaponUsed.GetCurrentMuzzle(), camPos, camDir);
                return true;
            }
            else if (e == m_opticsUsed)
            {
                m_opticsUsed.UseWeaponIronsightsOverride(m_opticsHasWeaponOverride);
                m_opticsUsed.GetCameraPoint(camPos, camDir);
                return true;
            }
        }
        else
        {
            ErrorEx("No sight entity found in " + this,ErrorExSeverity.INFO);
        }
        return false;
    }
    
    //  
    override void       OnUpdate(float pDt, out DayZPlayerCameraResult pOutResult)
    {
        float min;
        DayZPlayerImplement player = DayZPlayerImplement.Cast(GetGame().GetPlayer());
        if (player && player.IsPlayerInStance(DayZPlayerConstants.STANCEMASK_RAISEDPRONE))
            min = CONST_UD_MIN_BACK;
        else
            min = CONST_UD_MIN;
 
        m_CurrentCameraYaw      = UpdateLRAngleUnlocked(m_fLeftRightAngle, m_fLeftRightAngleAdd, CONST_LR_MIN, CONST_LR_MAX, pDt);
        m_CurrentCameraPitch    = UpdateUDAngleUnlocked(m_fUpDownAngle, m_fUpDownAngleAdd, min, CONST_UD_MAX, pDt);
 
        // get model space transform matrix of the gun's eye vector 
        vector matTM[4];
        HumanItemAccessor hia = m_pPlayer.GetItemAccessor();
        if(GetCurrentSightEntity())
            hia.WeaponGetCameraPointBoneRelative(GetCurrentSightEntity(), m_OpticsCamPos, m_OpticsCamDir, m_iBoneIndex, matTM);
        
        // aim change based on character movement
        vector aimChangeYPR;
        float aimChangeX = m_pInput.GetAimDelta(pDt)[0] * Math.RAD2DEG;
        float aimChangeY = m_pInput.GetAimDelta(pDt)[1] * Math.RAD2DEG;
 
        HumanCommandMove hcm = m_pPlayer.GetCommand_Move();
        if (hcm)
        {
            float speed = hcm.GetCurrentMovementSpeed();
            
            if( speed > 0 )
                m_movementTimeAcc += pDt;
            else
                m_movementTimeAcc = 0;
            
            aimChangeX += m_movementAmplitudeX * speed * Math.Sin(Math.PI2 * m_movementFrequencyX * m_movementTimeAcc);
            aimChangeY += m_movementAmplitudeY * speed * Math.Sin(Math.PI2 * m_movementFrequencyY * m_movementTimeAcc);
        }
 
        aimChangeYPR[0] = Math.SmoothCD(aimChangeYPR[0], -(m_dynamicsStrength * aimChangeY), m_velocityYaw, m_dynamicsSmoothTime, 1000, pDt);
        aimChangeYPR[1] = Math.SmoothCD(aimChangeYPR[1], -(m_dynamicsStrength * aimChangeX), m_velocityPitch, m_dynamicsSmoothTime, 1000, pDt);
        aimChangeYPR[2] = 0;
 
        vector dynamics[4];
        Math3D.YawPitchRollMatrix(aimChangeYPR, dynamics);
        dynamics[3] = vector.Zero;
        
        // aiming model offsets
        vector aimingMatTM[4];
        hia.WeaponGetAimingModelDirTm(aimingMatTM);
        
        // final offset matrix
        Math3D.MatrixMultiply4(dynamics, aimingMatTM, dynamics);
        Math3D.MatrixMultiply4(dynamics, matTM, pOutResult.m_CameraTM);
            
        AdjustCameraParameters(pDt, pOutResult);
        UpdateBatteryOptics(GetCurrentSightEntity());
        UpdateCameraNV(PlayerBase.Cast(m_pPlayer));
 
        if(m_CameraShake)
        {
            float x,y;
            m_CameraShake.Update(pDt, x, y);
            DayZPlayerImplement.Cast(m_pPlayer).GetAimingModel().SetCamShakeValues(x, y);
        }
    }
 
    override vector GetBaseAngles()
    {
        vector a;
        a[0] = m_fUpDownAngle;
        a[1] = m_fLeftRightAngle;
        a[2] = 0;
        return a;
    }
 
    override vector GetAdditiveAngles()
    {
        vector a;
        a[0] = m_fUpDownAngleAdd;
        a[1] = m_fLeftRightAngleAdd;
        a[2] = 0;
        return a;
    }
    
    void AdjustCameraParameters(float pDt, inout DayZPlayerCameraResult pOutResult)
    {
        pOutResult.m_iDirectBone            = m_iBoneIndex;
        pOutResult.m_iDirectBoneMode        = 4;
    
        pOutResult.m_fFovAbsolute = HoldBreathFOVEffect(pDt);
        
        pOutResult.m_bUpdateWhenBlendOut    = false;
        pOutResult.m_fDistance              = 0;
        pOutResult.m_fUseHeading            = 0;
        pOutResult.m_fInsideCamera          = 1.0;
        pOutResult.m_fShootFromCamera       = m_fShootFromCamera;
        
        pOutResult.m_fNearPlane = 0.04; //0.07 default
    }
    
    float HoldBreathFOVEffect(float pDt)
    {
        if (m_pPlayer.IsHoldingBreath())
        {
            m_fFovAbsolute = Math.SmoothCD(m_fFovAbsolute, GameConstants.DZPLAYER_CAMERA_FOV_EYEZOOM, m_fFovAbsVel, 0.1, 1000, pDt);
        }
        else if (m_isEntering) //sets FOV immediatelly to avoid "floating camera" effect
        {
            m_fFovAbsolute = GameConstants.DZPLAYER_CAMERA_FOV_IRONSIGHTS;
            m_isEntering = false;
        }
        else
        {
            m_fFovAbsolute = Math.SmoothCD(m_fFovAbsolute, GameConstants.DZPLAYER_CAMERA_FOV_IRONSIGHTS, m_fFovAbsVel, 0.1, 1000, pDt);
        }
 
        return m_fFovAbsolute;
    }
    
    // sets PP for ironsights and optics (override) cameras
    override void SetCameraPP(bool state, DayZPlayerCamera launchedFrom)
    {
        //Print("SetCameraPP - ADS");
        if (PlayerBase.Cast(m_pPlayer) && launchedFrom.Type() != PlayerBase.Cast(m_pPlayer).GetCurrentPlayerCamera().Type())
        {
            //Print("DayZPlayerCameraIronsights | SetCameraPP | skipping, wrong camera type active!");
            return;
        }
        
        //if (!state || !m_weaponUsed || (PlayerBase.Cast(m_pPlayer) && launchedFrom != PlayerBase.Cast(m_pPlayer).GetCurrentPlayerCamera()))
        if (!state || !m_weaponUsed)
        {
            m_RequesterADS.Stop();
            
            if (IsCameraNV())
            {
                SetNVPostprocess(GetCameraNVType());
            }
            else
            {
                SetNVPostprocess(NVTypes.NONE);
            }
        }
        else
        {
            temp_array = {false, 0.0, 0.0, 0.0, 0.0, 1.0};
            
            if (m_weaponUsed.GetWeaponDOF() || (m_opticsUsed && m_opticsUsed.GetOpticsDOF()))
            {
                if (m_opticsUsed && m_opticsUsed.GetOpticsDOF().Count() == 6)
                {
                    temp_array = m_opticsUsed.GetOpticsDOF();
                }
                else
                {
                    temp_array = m_weaponUsed.GetWeaponDOF();
                }
                if (temp_array.Count() != 6)
                    temp_array = {false, 0.0, 0.0, 0.0, 0.0, 1.0};
            }
            
            m_RequesterADS.SetValuesIronsights(temp_array); //DOF only
            
            if (IsCameraNV())
            {
                SetNVPostprocess(GetCameraNVType());
            }
            else
            {
                SetNVPostprocess(NVTypes.NONE);
            }
        }
        
        if (m_weaponUsed)
        {
            m_weaponUsed.HideWeaponBarrel(false);
        }
    }
    
    override string GetCameraName()
    {
        return "DayZPlayerCameraIronsights";
    }
    
    override void SetCameraPPDelay(DayZPlayerCamera pPrevCamera)
    {
        if (pPrevCamera.GetCameraName() == "DayZPlayerCamera1stPerson")
        {
            //Print("---ironsights---DayZPlayerCamera1stPerson");
            m_CameraPPDelay = DayZPlayerCameras.TIME_CAMERACHANGE_01;
        }
        else if (pPrevCamera.GetCameraName() == "DayZPlayerCameraOptics")
        {
            m_CameraPPDelay = 0;
        }
        else
        {
            //Print("---ironsights---else");
            m_CameraPPDelay = DayZPlayerCameras.TIME_CAMERACHANGE_02;
        }
    }
    
    void UpdateBatteryOptics(EntityAI entity)
    {
        ItemOptics optics = ItemOptics.Cast(entity);
        if (optics)
            optics.UpdateOpticsReddotVisibility();
    }
 
    protected   float   m_fShootFromCamera = 0.0;
    
    protected   int     m_iBoneIndex;               
    protected   vector  m_OpticsCamPos;
    protected   vector  m_OpticsCamDir;
 
    protected   float   m_fUpDownAngle;             
    protected   float   m_fUpDownAngleAdd;          
    protected   float   m_fLeftRightAngle;          
    protected   float   m_fLeftRightAngleAdd;       
 
}
 
class DayZPlayerCameraOptics : DayZPlayerCameraIronsights
{
    static const float  CONST_NEARPLANE_OPTICS = 0.06; //Default near plane value for this camera
    protected float m_RecoilOffsetZ = 0.0;
    
    void DayZPlayerCameraOptics(DayZPlayer pPlayer, HumanInputController pInput)
    {
        if (!temp_array)
            temp_array = new array<float>;
        m_fShootFromCamera = 0;
    }
    
    override void Init()
    {
        if (m_opticsUsed && m_opticsUsed.IsNVOptic() && m_opticsUsed.IsWorking())
        {
            SetCameraNV(true);
        }
        else
        {
            SetCameraNV(false);
        }
    }
    
    override EntityAI GetCurrentSightEntity ()
    {
        return m_opticsUsed;
    }
 
    override bool GetCurrentSightInfo (out vector camPos, out vector camDir)
    {
        if (m_opticsUsed)
        {
            m_opticsUsed.UseWeaponIronsightsOverride(false);
            m_opticsUsed.GetCameraPoint(camPos, camDir);
            return true;
        }
        return false;
    }
 
    override void OnActivate (DayZPlayerCamera pPrevCamera, DayZPlayerCameraResult pPrevCameraResult)
    {
        super.OnActivate(pPrevCamera,pPrevCameraResult);
        
        PlayerBase player = PlayerBase.Cast(m_pPlayer);
        if (player && m_opticsUsed)
        {
            GetGame().GetCallQueue(CALL_CATEGORY_GUI).CallLater(player.HideClothing,m_CameraPPDelay*1000,false,m_opticsUsed,true);
        }
    }
    
    override void AdjustCameraParameters(float pDt, inout DayZPlayerCameraResult pOutResult)
    {
        pOutResult.m_iDirectBone            = m_iBoneIndex;
        pOutResult.m_iDirectBoneMode        = 4;
    
        pOutResult.m_fFovAbsolute = HoldBreathFOVEffect(pDt);
        
        pOutResult.m_bUpdateWhenBlendOut    = false;
        pOutResult.m_fDistance              = 0;
        pOutResult.m_fUseHeading            = 0;
        pOutResult.m_fInsideCamera          = 1.0;
        pOutResult.m_fShootFromCamera       = m_fShootFromCamera;
        
        if (!m_opticsUsed)
            pOutResult.m_fNearPlane = Math.Clamp(CONST_NEARPLANE_OPTICS - m_RecoilOffsetZ, CONST_NEARPLANE_OPTICS, 10.0);
        else
            pOutResult.m_fNearPlane = Math.Clamp(m_opticsUsed.GetNearPlaneValue() - m_RecoilOffsetZ, CONST_NEARPLANE_OPTICS, 10.0); //some sufficiently nonsensical max
    }
    
    override float HoldBreathFOVEffect(float pDt)
    {
        //hotfix; two cameras exist and update simultaneously during transition, even if optics/weapons is no longer present!
        /*PlayerBase player = PlayerBase.Cast(m_pPlayer);
        if (player && player.GetCurrentCamera() != this)
            return 0.6;*/
        
        ItemOptics optics = ItemOptics.Cast( GetCurrentSightEntity() );
        if (optics)
        {
            if (optics.GetCurrentStepFOV() >= GameConstants.DZPLAYER_CAMERA_FOV_EYEZOOM && (m_pPlayer.IsHoldingBreath() || m_pPlayer.GetEyeZoomLevel()))
            {
                m_fFovAbsolute = Math.SmoothCD(m_fFovAbsolute, GameConstants.DZPLAYER_CAMERA_FOV_EYEZOOM, m_fFovAbsVel, 0.1, 1000, pDt);
            }
            else if (m_isEntering) //sets FOV immediatelly to avoid "floating camera" effect
            {
                m_fFovAbsolute = optics.GetCurrentStepFOV();
                m_isEntering = false;
            }
            else
            {
                m_fFovAbsolute = Math.SmoothCD(m_fFovAbsolute, optics.GetCurrentStepFOV(), m_fFovAbsVel, 0.1, 1000, pDt);
                //m_fFovAbsolute = optics.GetCurrentStepFOV();
            }
            return m_fFovAbsolute;
        }
        else
        {
            //Error("optic camera, but there is no optic item or optic on weapon"); //camera update ticks on transitions as well, caused problems
            return 0.6;  //TODO figure some other way to get original FOV here!
        }
    }
    
    override void SetCameraPP(bool state,DayZPlayerCamera launchedFrom)
    {
        //Print("SetCameraPP - optics");
        if (PlayerBase.Cast(m_pPlayer) && launchedFrom.Type() != PlayerBase.Cast(m_pPlayer).GetCurrentPlayerCamera().Type())
        {
            //Print("DayZPlayerCameraOptics | SetCameraPP | skipping, wrong camera type active!");
            return;
        }
        
        if (!state || !m_opticsUsed)
        {
            m_RequesterADS.Stop();
            
            if (IsCameraNV())
            {
                SetNVPostprocess(GetCameraNVType());
            }
            else
            {
                SetNVPostprocess(NVTypes.NONE);
            }
            
            if (m_weaponUsed)
            {
                m_weaponUsed.HideWeaponBarrel(false);
            }
        }
        else
        {
            array<float> lens_values = new array<float>;
            array<float> mask_values = new array<float>;
            float gauss = 0.0;
            temp_array = {false, 0.0, 0.0, 0.0, 0.0, 1.0};
            
            // 1x scopes only
            if (m_opticsUsed.AllowsDOF() && !NVGoggles.Cast(m_opticsUsed))
            {
                if (m_weaponUsed)
                {
                    if (m_opticsUsed.GetOpticsDOF().Count() == 6)
                    {
                        temp_array = m_opticsUsed.GetOpticsDOF();
                    }
                    else
                    {
                        temp_array = m_weaponUsed.GetWeaponDOF(); //TODO should some optics have own DOF settings (different eye point)?
                    }
                    
                    if (temp_array.Count() != 6)
                        temp_array = {false, 0.0, 0.0, 0.0, 0.0, 1.0};
                }
                
                m_RequesterADS.SetValuesIronsights(temp_array); //DOF only
                
                // optics NV mode
                if (m_opticsUsed.IsNVOptic())
                {
                    SetCameraNV(true);
                    SetNVPostprocess(m_opticsUsed.GetCurrentNVType());
                }
                else
                {
                    if (IsCameraNV())
                    {
                        SetNVPostprocess(GetCameraNVType());
                    }
                    else
                    {
                        SetNVPostprocess(NVTypes.NONE);
                    }
                }
            }
            else //magnifying scopes
            {
                // optics mask
                if (m_opticsUsed.GetOpticsPPMask() && m_opticsUsed.GetOpticsPPMask().Count() == 4)
                {
                    mask_values = m_opticsUsed.GetOpticsPPMask();
                }
                
                //optics lens
                if (m_opticsUsed.GetOpticsPPLens() && m_opticsUsed.GetOpticsPPLens().Count() == 4)
                {
                    lens_values = m_opticsUsed.GetOpticsPPLens();
                }
                
                //optics blur
                if (m_opticsUsed.GetOpticsPPBlur() != 0)
                {
                    gauss = m_opticsUsed.GetOpticsPPBlur();
                }
                
                m_RequesterADS.SetValuesOptics(mask_values,lens_values,gauss);
                
                // optics NV mode
                if (m_opticsUsed.IsNVOptic())
                {
                    SetCameraNV(true);
                    SetNVPostprocess(m_opticsUsed.GetCurrentNVType());
                }
                else
                {
                    SetNVPostprocess(NVTypes.NONE); //magnifying optics do not combine with other NV sources (would render NV optics obsolete)
                }
            }
            
            if (m_weaponUsed)
            {
                m_weaponUsed.HideWeaponBarrel(true);
            }
        }
    }
    
    override string GetCameraName()
    {
        return "DayZPlayerCameraOptics";
    }
    
    override void SetCameraPPDelay(DayZPlayerCamera pPrevCamera)
    {
        if (pPrevCamera.GetCameraName() == "DayZPlayerCameraIronsights")
        {
            m_CameraPPDelay = DayZPlayerCameras.TIME_CAMERACHANGE_02 - 0.05;
        }
        else if (pPrevCamera.GetCameraName() == "DayZPlayerCamera1stPerson")
        {
            m_CameraPPDelay = DayZPlayerCameras.TIME_CAMERACHANGE_02 - 0.05; //changed to accomodate handheld optics, had to be changed here also
        }
        else if (!pPrevCamera.IsCamera3rdRaised())
        {
            m_CameraPPDelay = DayZPlayerCameras.TIME_CAMERACHANGE_03 - 0.05;
        }
        else
        {
            m_CameraPPDelay = DayZPlayerCameras.TIME_CAMERACHANGE_02 - 0.05;
        }
    }
    
    override void SendRecoilOffsetZ(float offset)
    {
        m_RecoilOffsetZ = offset;
    }
};