Файл DayZPlayerCameraVehicles.c

См. исходные тексты.

Структуры данных
class	DayZPlayerCamera1stPerson

Функции
void	DayZPlayerCamera3rdPersonVehicle (DayZPlayer pPlayer, HumanInputController pInput)
override void	OnActivate (DayZPlayerCamera pPrevCamera, DayZPlayerCameraResult pPrevCameraResult)
override void	OnUpdate (float pDt, out DayZPlayerCameraResult pOutResult)
override vector	GetBaseAngles ()
override vector	GetAdditiveAngles ()

Переменные
class DayZPlayerCamera1stPersonVehicle extends DayZPlayerCamera1stPerson	CONST_UD_MIN = -85.0
	down limit
static const float	CONST_UD_MAX = 85.0
	up limit
const float	UP_ANGLE_CAP = 10
static const float	CONST_LR_MIN = -160.0
	down limit
static const float	CONST_LR_MAX = 160.0
	up limit
const float	CONST_LINEAR_VELOCITY_STRENGTH = 0.025
const float	CONST_ANGULAR_VELOCITY_STRENGTH = 0.025
const float	CONST_ANGULAR_LAG_YAW_STRENGTH = 10.0
const float	CONST_ANGULAR_LAG_PITCH_STRENGTH = 50.0
const float	CONST_ANGULAR_LAG_ROLL_STRENGTH = 0.0
vector	m_CameraOffsetMS
	runtime config
float	m_fDistance
	distance from start
float	m_fUpDownAngle
	runtime values
float	m_fUpDownAngleAdd
	up down angle in rad
float	m_fLeftRightAngle
	left right angle in rad
float	m_fLeftRightAngleAdd
	left right angle in rad
vector	m_LagOffsetPosition
	lag offsets
vector	m_LagOffsetOrientation
float	m_fLagOffsetVelocityX [1]
float	m_fLagOffsetVelocityY [1]
float	m_fLagOffsetVelocityZ [1]
float	m_fLagOffsetVelocityYaw [1]
float	m_fLagOffsetVelocityPitch [1]
float	m_fLagOffsetVelocityRoll [1]
Transport	m_Transport
	cache

Функции

DayZPlayerCamera3rdPersonVehicle()

void DayZPlayerCamera3rdPersonVehicle	(	DayZPlayer	pPlayer,
		HumanInputController	pInput )

    {
        //Print("new camera: DayZPlayerCamera3rdPersonVehicle");
 
        m_fDistance         = 4.0;
        m_CameraOffsetMS    = "0.0 1.3 0.0";
        
        HumanCommandVehicle vehicleCommand = pPlayer.GetCommand_Vehicle();
        if ( vehicleCommand )
        {
            Transport transport = vehicleCommand.GetTransport();
            if ( transport )
            {
                m_Transport         = transport;
                m_fDistance         = transport.GetTransportCameraDistance();
                m_CameraOffsetMS    = transport.GetTransportCameraOffset();
            }
        }
    }

Перекрестные ссылки m_CameraOffsetMS, m_fDistance и m_Transport.

Используется в DayZPlayerCameras::RegisterCameras().

GetAdditiveAngles()

override vector GetAdditiveAngles

(

)

    {
        vector a;
        a[0] = m_fUpDownAngleAdd;
        a[1] = m_fLeftRightAngleAdd;
        a[2] = 0;
        return a;
    }

Перекрестные ссылки DayZPlayerCameraBase::m_fLeftRightAngleAdd и DayZPlayerCameraBase::m_fUpDownAngleAdd.

GetBaseAngles()

override vector GetBaseAngles

(

)

    {
        vector a;
        a[0] = m_fUpDownAngle;
        a[1] = m_fLeftRightAngle;
        a[2] = 0;
        return a;
    }

Перекрестные ссылки DayZPlayerCameraBase::m_fLeftRightAngle и DayZPlayerCameraBase::m_fUpDownAngle.

OnActivate()

override void OnActivate	(	DayZPlayerCamera	pPrevCamera,
		DayZPlayerCameraResult	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];
        }
                
        m_LagOffsetPosition = vector.Zero;
        m_fLagOffsetVelocityX[0] = 0;
        m_fLagOffsetVelocityY[0] = 0;
        m_fLagOffsetVelocityZ[0] = 0;
    }

Перекрестные ссылки m_fLagOffsetVelocityX, m_fLagOffsetVelocityY, m_fLagOffsetVelocityZ, m_fLeftRightAngle, m_fLeftRightAngleAdd, m_fUpDownAngle, m_fUpDownAngleAdd, m_LagOffsetPosition и vector::Zero.

OnUpdate()

override void OnUpdate	(	float	pDt,
		out DayZPlayerCameraResult	pOutResult )

get player transform

get vehicle and set it as ignore entity for camera collision solver

update camera offset

orientation LS

create LS lag from vehicle velocities

smooth it!

setup orientation

setup position

setup rest

    {
        vector playerTransformWS[4];
        m_pPlayer.GetTransform(playerTransformWS);
 
        IEntity vehicle = m_Transport;
        pOutResult.m_CollisionIgnoreEntity = vehicle;
        
        vector cameraPosition = vector.Zero;
        if ( vehicle )
        {
            vector vehiclePositionWS = vehicle.GetOrigin();
            vector vehiclePositionMS = vehiclePositionWS.InvMultiply4(playerTransformWS);
            cameraPosition = vehiclePositionMS + m_CameraOffsetMS;
        }
 
        m_CurrentCameraYaw      = UpdateLRAngleUnlocked(m_fLeftRightAngle, m_fLeftRightAngleAdd, CONST_LR_MIN, CONST_LR_MAX, pDt);
        m_CurrentCameraPitch    = UpdateUDAngleUnlocked(m_fUpDownAngle, m_fUpDownAngleAdd, CONST_UD_MIN, CONST_UD_MAX, pDt);
        m_CurrentCameraRoll     = 0;
                
        vector posDiffLS = vector.Zero;
        vector rotDiffLS = vector.Zero;
        vector orientVeh = vector.Zero; 
        
        if (vehicle)
        {
            vector posDiffWS = GetVelocity(vehicle) * CONST_LINEAR_VELOCITY_STRENGTH;
            posDiffLS = posDiffWS.InvMultiply3(playerTransformWS);
 
            vector rotDiffWS = dBodyGetAngularVelocity(vehicle) * Math.RAD2DEG * CONST_ANGULAR_VELOCITY_STRENGTH;
            rotDiffLS = rotDiffWS.InvMultiply3(playerTransformWS);
            
            orientVeh = m_Transport.GetOrientation() * Math.DEG2RAD;
        }       
            
        m_LagOffsetPosition[0] = Math.SmoothCD(m_LagOffsetPosition[0], posDiffLS[0], m_fLagOffsetVelocityX, 0.3, 1000, pDt);
        m_LagOffsetPosition[1] = Math.SmoothCD(m_LagOffsetPosition[1], posDiffLS[1], m_fLagOffsetVelocityY, 0.3, 1000, pDt);
        m_LagOffsetPosition[2] = Math.SmoothCD(m_LagOffsetPosition[2], posDiffLS[2], m_fLagOffsetVelocityZ, 0.3, 1000, pDt);
 
        m_LagOffsetOrientation[0] = Math.SmoothCD(m_LagOffsetOrientation[0], rotDiffLS[1], m_fLagOffsetVelocityYaw, 0.3, 1000, pDt);
        m_LagOffsetOrientation[1] = Math.SmoothCDPI2PI(m_LagOffsetOrientation[1], orientVeh[1], m_fLagOffsetVelocityPitch, 0.3, 1000, pDt);
        m_LagOffsetOrientation[2] = Math.SmoothCD(m_LagOffsetOrientation[2], rotDiffLS[0], m_fLagOffsetVelocityRoll, 0.3, 1000, pDt);
        
        vector rot;
        rot[0] = m_LagOffsetOrientation[0] * CONST_ANGULAR_LAG_YAW_STRENGTH;
        rot[1] = m_LagOffsetOrientation[1] * CONST_ANGULAR_LAG_PITCH_STRENGTH;
        rot[2] = m_LagOffsetOrientation[2] * CONST_ANGULAR_LAG_ROLL_STRENGTH;
        
        float distance = m_fDistance;
    
        if (m_CurrentCameraPitch > UP_ANGLE_CAP)    // restrict moving camera below surface level
        {
            vector clamped = GetCurrentOrientation() + rot;
            clamped[1] = UP_ANGLE_CAP;
            Math3D.YawPitchRollMatrix(clamped, pOutResult.m_CameraTM);
            
            distance = m_fDistance - (2 * Math.InverseLerp(UP_ANGLE_CAP, CONST_UD_MAX, m_CurrentCameraPitch));
            
        }
        else
            Math3D.YawPitchRollMatrix(GetCurrentOrientation() + rot, pOutResult.m_CameraTM);
 
        pOutResult.m_CameraTM[3] = cameraPosition - m_LagOffsetPosition;
        
        pOutResult.m_fDistance          = distance;
        pOutResult.m_fUseHeading        = 0.0;
        pOutResult.m_fInsideCamera      = 0.0;
        pOutResult.m_fIgnoreParentRoll  = 1.0;
        pOutResult.m_fIgnoreParentPitch = 1.0;
        pOutResult.m_bUpdateEveryFrame  = GetGame().IsPhysicsExtrapolationEnabled();
        
        StdFovUpdate(pDt, pOutResult);
        
        super.OnUpdate(pDt, pOutResult);
    }

Перекрестные ссылки CONST_ANGULAR_LAG_PITCH_STRENGTH, CONST_ANGULAR_LAG_ROLL_STRENGTH, CONST_ANGULAR_LAG_YAW_STRENGTH, CONST_ANGULAR_VELOCITY_STRENGTH, CONST_LINEAR_VELOCITY_STRENGTH, CONST_LR_MAX, CONST_LR_MIN, CONST_UD_MAX, CONST_UD_MIN, dBodyGetAngularVelocity(), Math::DEG2RAD, GetCurrentOrientation(), GetGame(), GetVelocity(), Math::InverseLerp(), DayZPlayerCameraBase::m_CameraOffsetMS, m_CurrentCameraPitch, m_CurrentCameraRoll, m_CurrentCameraYaw, m_fDistance, DayZPlayerCameraBase::m_fDistance, m_fLagOffsetVelocityPitch, m_fLagOffsetVelocityRoll, m_fLagOffsetVelocityX, m_fLagOffsetVelocityY, m_fLagOffsetVelocityYaw, m_fLagOffsetVelocityZ, m_fLeftRightAngle, m_fLeftRightAngleAdd, m_fUpDownAngle, m_fUpDownAngleAdd, m_LagOffsetOrientation, m_LagOffsetPosition, m_pPlayer, m_Transport, Math::RAD2DEG, Math::SmoothCD(), Math::SmoothCDPI2PI(), StdFovUpdate(), UP_ANGLE_CAP, UpdateLRAngleUnlocked(), UpdateUDAngleUnlocked(), Math3D::YawPitchRollMatrix() и vector::Zero.

Переменные

CONST_ANGULAR_LAG_PITCH_STRENGTH

const float CONST_ANGULAR_LAG_PITCH_STRENGTH = 50.0

Используется в OnUpdate().

CONST_ANGULAR_LAG_ROLL_STRENGTH

const float CONST_ANGULAR_LAG_ROLL_STRENGTH = 0.0

Используется в OnUpdate().

CONST_ANGULAR_LAG_YAW_STRENGTH

const float CONST_ANGULAR_LAG_YAW_STRENGTH = 10.0

Используется в OnUpdate().

CONST_ANGULAR_VELOCITY_STRENGTH

const float CONST_ANGULAR_VELOCITY_STRENGTH = 0.025

Используется в OnUpdate().

CONST_LINEAR_VELOCITY_STRENGTH

const float CONST_LINEAR_VELOCITY_STRENGTH = 0.025

Используется в OnUpdate().

CONST_LR_MAX

const float CONST_LR_MAX = 160.0

static

up limit

Используется в DayZPlayerCameraBase::OnUpdate().

CONST_LR_MIN

const float CONST_LR_MIN = -160.0

static

down limit

Используется в DayZPlayerCameraBase::OnUpdate().

CONST_UD_MAX

const float CONST_UD_MAX = 85.0

static

up limit

Используется в DayZPlayerCameraBase::OnUpdate().

CONST_UD_MIN

class DayZPlayerCamera1stPersonVehicle extends DayZPlayerCamera1stPerson CONST_UD_MIN = -85.0

down limit

Используется в DayZPlayerCameraBase::OnUpdate().

m_CameraOffsetMS

vector m_CameraOffsetMS

protected

runtime config

model space offset

m_fDistance

float m_fDistance

protected

distance from start

m_fLagOffsetVelocityPitch

float m_fLagOffsetVelocityPitch[1]

protected

Используется в OnUpdate().

m_fLagOffsetVelocityRoll

float m_fLagOffsetVelocityRoll[1]

protected

Используется в OnUpdate().

m_fLagOffsetVelocityX

float m_fLagOffsetVelocityX[1]

protected

Используется в OnActivate() и OnUpdate().

m_fLagOffsetVelocityY

float m_fLagOffsetVelocityY[1]

protected

Используется в OnActivate() и OnUpdate().

m_fLagOffsetVelocityYaw

float m_fLagOffsetVelocityYaw[1]

protected

Используется в OnUpdate().

m_fLagOffsetVelocityZ

float m_fLagOffsetVelocityZ[1]

protected

Используется в OnActivate() и OnUpdate().

m_fLeftRightAngle

float m_fLeftRightAngle

protected

left right angle in rad

Используется в DayZPlayerCameraBase::GetBaseAngles(), DayZPlayerCameraBase::OnActivate() и DayZPlayerCameraBase::OnUpdate().

m_fLeftRightAngleAdd

float m_fLeftRightAngleAdd

protected

left right angle in rad

Используется в DayZPlayerCameraBase::GetAdditiveAngles(), DayZPlayerCameraBase::OnActivate() и DayZPlayerCameraBase::OnUpdate().

m_fUpDownAngle

float m_fUpDownAngle

protected

runtime values

up down angle in rad

Используется в DayZPlayerCameraBase::GetBaseAngles(), DayZPlayerCameraBase::OnActivate() и DayZPlayerCameraBase::OnUpdate().

m_fUpDownAngleAdd

float m_fUpDownAngleAdd

protected

up down angle in rad

Используется в DayZPlayerCameraBase::GetAdditiveAngles(), DayZPlayerCameraBase::OnActivate() и DayZPlayerCameraBase::OnUpdate().

m_LagOffsetOrientation

vector m_LagOffsetOrientation

protected

Используется в OnUpdate().

m_LagOffsetPosition

vector m_LagOffsetPosition

protected

lag offsets

Используется в OnActivate() и OnUpdate().

m_Transport

Transport m_Transport

protected

cache

Используется в DayZPlayerCamera3rdPersonVehicle() и OnUpdate().

UP_ANGLE_CAP

const float UP_ANGLE_CAP = 10

Используется в OnUpdate().