214 lines
8.9 KiB
C#
214 lines
8.9 KiB
C#
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#if !NEOFPS_FORCE_QUALITY && (UNITY_ANDROID || UNITY_IOS || UNITY_TIZEN || (UNITY_WSA && NETFX_CORE) || NEOFPS_FORCE_LIGHTWEIGHT)
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#define NEOFPS_LIGHTWEIGHT
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#endif
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using UnityEngine;
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using NeoFPS.CharacterMotion.MotionData;
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using NeoFPS.CharacterMotion.Parameters;
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using NeoSaveGames.Serialization;
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namespace NeoFPS.CharacterMotion.States
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{
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[MotionGraphElement("Swimming/Swim Underwater (Smooth)", "SwimUnderwater")]
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[HelpURL("https://docs.neofps.com/manual/motiongraphref-mgs-swimsmoothunderwaterstate.html")]
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public class SwimSmoothUnderwaterState : MotionGraphState
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{
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[SerializeField, Tooltip("The transform parameter which contains the transform of the water zone object")]
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private TransformParameter m_WaterZoneParameter = null;
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[SerializeField, Tooltip("The crouch hold parameter (used for flying down)")]
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private SwitchParameter m_CrouchHold = null;
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[SerializeField, Tooltip("The crouch hold parameter (used for flying up)")]
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private SwitchParameter m_JumpHold = null;
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[SerializeField, Tooltip("The top movement speed (for keyboard input or max analog input)")]
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private FloatDataReference m_SwimSpeed = new FloatDataReference(5f);
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[SerializeField, Tooltip("The maximum acceleration")]
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private FloatDataReference m_Acceleration = new FloatDataReference(25f);
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[SerializeField, Tooltip("The multiplier applied to the max movement speed and acceleration when strafing")]
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private FloatDataReference m_StrafeMultiplier = new FloatDataReference(0.75f);
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[SerializeField, Tooltip("The multiplier applied to the max movement speed and acceleration when moving in reverse")]
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private FloatDataReference m_ReverseMultiplier = new FloatDataReference(0.5f);
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[SerializeField, Tooltip("The multiplier applied to the acceleration when no input is detected")]
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private FloatDataReference m_IdleMultiplier = new FloatDataReference(0.5f);
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[SerializeField, Tooltip("The maximum movement speed and acceleration due to up or down input")]
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private FloatDataReference m_UpDownSpeed = new FloatDataReference(1f);
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private const float k_TinyValue = 0.001f;
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private Transform m_WaterZoneTransform = null;
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private IWaterZone m_WaterZone = null;
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private Vector3 m_MotorAcceleration = Vector3.zero;
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private Vector3 m_OutVelocity = Vector3.zero;
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private Vector3 m_FlowAcceleration = Vector3.zero;
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private Vector3 m_FlowVelocity = Vector3.zero;
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public override Vector3 moveVector
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{
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get { return (m_OutVelocity + m_FlowVelocity) * Time.deltaTime; }
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}
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public override bool applyGravity
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{
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get { return false; }
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}
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public override bool applyGroundingForce
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{
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get { return false; }
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}
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public override bool ignorePlatformMove
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{
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get { return false; }
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}
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public override void OnValidate()
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{
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base.OnValidate();
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m_SwimSpeed.ClampValue(0.1f, 50f);
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m_UpDownSpeed.ClampValue(0.1f, 25f);
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m_StrafeMultiplier.ClampValue(0f, 2f);
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m_ReverseMultiplier.ClampValue(0f, 2f);
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m_IdleMultiplier.ClampValue(0f, 1f);
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m_Acceleration.ClampValue(0f, 100f);
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}
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public override void OnEnter()
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{
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base.OnEnter();
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}
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public override void OnExit()
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{
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base.OnExit();
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m_MotorAcceleration = Vector3.zero;
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m_OutVelocity = Vector3.zero;
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m_FlowAcceleration = Vector3.zero;
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m_FlowVelocity = Vector3.zero;
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}
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public override void Update()
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{
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base.Update();
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// Get the water zone
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if (m_WaterZoneParameter != null)
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{
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if (m_WaterZoneTransform != m_WaterZoneParameter.value)
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{
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m_WaterZoneTransform = m_WaterZoneParameter.value;
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if (m_WaterZoneTransform != null)
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m_WaterZone = m_WaterZoneTransform.GetComponent<IWaterZone>();
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}
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}
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// Get movement axes
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Vector3 up = characterController.up;
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Vector3 right = characterController.right;
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Vector3 forward = Quaternion.AngleAxis(-controller.aimController.pitch, right) * characterController.forward;
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// Get up / down input
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float upDown = 0f;
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if (m_JumpHold != null && m_JumpHold.on)
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upDown += 1f;
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if (m_CrouchHold != null && m_CrouchHold.on)
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upDown -= 1f;
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// Get the input direction multipliers
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bool idle = controller.inputMoveScale < 0.02f;
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float directionMultiplier = m_IdleMultiplier.value;
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if (!idle)
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{
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// Get the input vector
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Vector2 input = controller.inputMoveDirection;
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// Apply axis multipliers
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input.x *= m_StrafeMultiplier.value;
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if (input.y < 0f)
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input.y *= m_ReverseMultiplier.value;
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// Direction multiplier is new magnitude
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directionMultiplier = input.magnitude;
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}
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// Get target input velocity
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Vector3 targetVelocity = Vector3.zero;
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if (!idle || upDown != 0f)
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{
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// Get target velocity
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float topSpeed = m_SwimSpeed.value * directionMultiplier * controller.inputMoveScale;
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targetVelocity += forward * (controller.inputMoveDirection.y * topSpeed);
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targetVelocity += right * (controller.inputMoveDirection.x * topSpeed);
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targetVelocity += up * (upDown * m_UpDownSpeed.value);
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}
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// Accelerate if required
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float acceleration = m_Acceleration.value;
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if (acceleration < k_TinyValue)
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m_OutVelocity = targetVelocity;
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else
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{
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var currentVelocity = characterController.velocity - m_FlowVelocity;
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if (targetVelocity != currentVelocity)
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{
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// Get maximum acceleration
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float maxAccel = acceleration;
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// Accelerate the velocity
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m_OutVelocity = Vector3.SmoothDamp(currentVelocity, targetVelocity, ref m_MotorAcceleration, 0.25f, maxAccel);
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}
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}
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// Add water flow
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if (m_WaterZone != null)
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{
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m_FlowVelocity = Vector3.SmoothDamp(
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m_FlowVelocity,
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m_WaterZone.FlowAtPosition(controller.localTransform.position + characterController.up * characterController.radius),
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ref m_FlowAcceleration,
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0.5f,
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m_Acceleration.value
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);
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}
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}
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public override void CheckReferences(IMotionGraphMap map)
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{
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m_WaterZoneParameter = map.Swap(m_WaterZoneParameter);
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m_CrouchHold = map.Swap(m_CrouchHold);
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m_JumpHold = map.Swap(m_JumpHold);
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m_SwimSpeed.CheckReference(map);
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m_Acceleration.CheckReference(map);
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m_StrafeMultiplier.CheckReference(map);
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m_ReverseMultiplier.CheckReference(map);
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m_IdleMultiplier.CheckReference(map);
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m_UpDownSpeed.CheckReference(map);
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base.CheckReferences(map);
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}
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#region SAVE / LOAD
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private static readonly NeoSerializationKey k_AccelerationKey = new NeoSerializationKey("acceleration");
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private static readonly NeoSerializationKey k_VelocityKey = new NeoSerializationKey("velocity");
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private static readonly NeoSerializationKey k_FlowAccelerationKey = new NeoSerializationKey("flowA");
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private static readonly NeoSerializationKey k_FlowVelocityKey = new NeoSerializationKey("flowV");
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public override void WriteProperties(INeoSerializer writer)
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{
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base.WriteProperties(writer);
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writer.WriteValue(k_AccelerationKey, m_MotorAcceleration);
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writer.WriteValue(k_VelocityKey, m_OutVelocity);
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writer.WriteValue(k_FlowAccelerationKey, m_FlowAcceleration);
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writer.WriteValue(k_FlowVelocityKey, m_FlowVelocity);
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}
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public override void ReadProperties(INeoDeserializer reader)
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{
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base.ReadProperties(reader);
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reader.TryReadValue(k_AccelerationKey, out m_MotorAcceleration, m_MotorAcceleration);
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reader.TryReadValue(k_VelocityKey, out m_OutVelocity, m_OutVelocity);
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reader.TryReadValue(k_FlowAccelerationKey, out m_FlowAcceleration, m_FlowAcceleration);
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reader.TryReadValue(k_FlowVelocityKey, out m_FlowVelocity, m_FlowVelocity);
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}
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#endregion
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}
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}
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