1048 lines
60 KiB
C#
1048 lines
60 KiB
C#
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/// ---------------------------------------------
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/// Ultimate Character Controller
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/// Copyright (c) Opsive. All Rights Reserved.
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/// https://www.opsive.com
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/// ---------------------------------------------
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namespace Opsive.UltimateCharacterController.Character
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{
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using Opsive.Shared.Events;
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using Opsive.Shared.Game;
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using Opsive.UltimateCharacterController.Game;
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using Opsive.UltimateCharacterController.Inventory;
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using Opsive.UltimateCharacterController.Items;
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using Opsive.UltimateCharacterController.Motion;
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using Opsive.UltimateCharacterController.Utility;
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using UnityEngine;
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/// <summary>
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/// Allows the character to stand on uneven surfaces and rotates and positions the character's limbs to face in the look direction.
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/// </summary>
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public class CharacterIK : CharacterIKBase
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{
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#if UNITY_EDITOR
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[Tooltip("Draw a debug line to see the direction that the character is facing (editor only).")]
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[SerializeField] protected bool m_DebugDrawLookRay;
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#endif
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[Tooltip("The index of the base layer within the Animator Controller.")]
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[SerializeField] protected int m_BaseLayerIndex = 0;
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[Tooltip("The index of the upper body layer within the Animator Controller.")]
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[SerializeField] protected int m_UpperBodyLayerIndex = 4;
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[Tooltip("The layers that the component should use when determining the objects to test against.")]
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[SerializeField] protected LayerMask m_LayerMask = ~(1 << LayerManager.IgnoreRaycast | 1 << LayerManager.TransparentFX | 1 << LayerManager.Overlay |
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1 << LayerManager.Water | 1 << LayerManager.UI | 1 << LayerManager.VisualEffect |
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1 << LayerManager.SubCharacter | 1 << LayerManager.Character);
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[Tooltip("An offset to apply to the look at direction for the body and arms.")]
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[SerializeField] protected Vector3 m_LookAtOffset;
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[InspectorFoldout("Body")]
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[Tooltip("Determines how much weight is applied to the body when looking at the target. (0-1).")]
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[Range(0, 1)] [SerializeField] protected float m_LookAtBodyWeight = 0.05f;
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[Tooltip("Determines how much weight is applied to the head when looking at the target. (0-1).")]
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[Range(0, 1)] [SerializeField] protected float m_LookAtHeadWeight = 0.425f;
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[Tooltip("Determines how much weight is applied to the eyes when looking at the target. (0-1).")]
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[Range(0, 1)] [SerializeField] protected float m_LookAtEyesWeight = 1;
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[Tooltip("A value of 0 means the character is completely unrestrained in motion, 1 means the character motion completely clamped (look at becomes impossible) (0-1).")]
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[Range(0, 1)] [SerializeField] protected float m_LookAtClampWeight = 0.35f;
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[Tooltip("The speed at which the look at weight should adjust.")]
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[SerializeField] protected float m_LookAtAdjustmentSpeed = 0.2f;
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[Tooltip("The speed at which the hips position should adjust to using IK and not using IK.")]
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[SerializeField] protected float m_HipsPositionAdjustmentSpeed = 4;
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[InspectorFoldout("Feet")]
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[Tooltip("The offset of the foot between the foot bone and the base of the foot.")]
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[SerializeField] protected float m_FootOffsetAdjustment = 0.005f;
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[Tooltip("The speed at which the foot weight should adjust to when foot IK is active.")]
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[SerializeField] protected float m_FootWeightActiveAdjustmentSpeed = 10;
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[Tooltip("The speed at which the foot weight should adjust to when foot IK is inactive.")]
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[SerializeField] protected float m_FootWeightInactiveAdjustmentSpeed = 2;
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[InspectorFoldout("Upper Arm")]
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[Tooltip("Determines how much weight is applied to the upper arms when looking at the target (0-1).")]
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[Range(0, 1)] [SerializeField] protected float m_UpperArmWeight = 1;
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[Tooltip("The speed at which the upper arm rotation should adjust to using IK and not using IK.")]
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[SerializeField] protected float m_UpperArmAdjustmentSpeed = 10;
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[InspectorFoldout("Hands")]
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[Tooltip("Determines how much weight is applied to the hands when looking at the target (0-1).")]
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[Range(0, 1)] [SerializeField] protected float m_HandWeight = 1;
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[Tooltip("The speed at which the hand position/rotation should adjust to using IK and not using IK.")]
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[SerializeField] protected float m_HandAdjustmentSpeed = 10;
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[Tooltip("Specifies a local offset to add to the position of the hands.")]
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[SerializeField] protected Vector3 m_HandPositionOffset;
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[Tooltip("The left hand positional spring used for IK movement.")]
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[SerializeField] protected Spring m_LeftHandPositionSpring = new Spring();
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[Tooltip("The left hand rotational spring used for IK movement.")]
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[SerializeField] protected Spring m_LeftHandRotationSpring = new Spring(0.2f, 0.05f);
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[Tooltip("The right hand positional spring used for IK movement.")]
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[SerializeField] protected Spring m_RightHandPositionSpring = new Spring();
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[Tooltip("The right hand rotational spring used for IK movement.")]
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[SerializeField] protected Spring m_RightHandRotationSpring = new Spring(0.2f, 0.05f);
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public LayerMask LayerMask { get { return m_LayerMask; } set { m_LayerMask = value; } }
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public Vector3 LookAtOffset { get { return m_LookAtOffset; } set { m_LookAtOffset = value; } }
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public float LookAtBodyWeight { get { return m_LookAtBodyWeight; } set { m_LookAtBodyWeight = value; } }
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public float LookAtHeadWeight { get { return m_LookAtHeadWeight; } set { m_LookAtHeadWeight = value; } }
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public float LookAtEyesWeight { get { return m_LookAtEyesWeight; } set { m_LookAtEyesWeight = value; } }
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public float LookAtClampWeight { get { return m_LookAtClampWeight; } set { m_LookAtClampWeight = value; } }
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public float LookAtAdjustmentSpeed { get { return m_LookAtAdjustmentSpeed; } set { m_LookAtAdjustmentSpeed = value; } }
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public float HipsPositionAdjustmentSpeed { get { return m_HipsPositionAdjustmentSpeed; }
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set { m_HipsPositionAdjustmentSpeed = value;
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if (m_HipsPositionAdjustmentSpeed == 0) { m_HipsOffset = 0; }
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}
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}
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public float FootOffsetAdjustment { get { return m_FootOffsetAdjustment; } set { m_FootOffsetAdjustment = value; } }
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public float FootWeightActiveAdjustmentSpeed { get { return m_FootWeightActiveAdjustmentSpeed; } set { m_FootWeightActiveAdjustmentSpeed = value; } }
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public float FootWeightInactiveAdjustmentSpeed { get { return m_FootWeightInactiveAdjustmentSpeed; } set { m_FootWeightInactiveAdjustmentSpeed = value; } }
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public float UpperArmWeight { get { return m_UpperArmWeight; } set { m_UpperArmWeight = value; } }
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public float UpperArmAdjustmentSpeed { get { return m_UpperArmAdjustmentSpeed; } set { m_UpperArmAdjustmentSpeed = value; } }
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public float HandWeight { get { return m_HandWeight; } set { m_HandWeight = value; } }
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public float HandAdjustmentSpeed { get { return m_HandAdjustmentSpeed; } set { m_HandAdjustmentSpeed = value; } }
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public Vector3 HandPositionOffset { get { return m_HandPositionOffset; } set { m_HandPositionOffset = value; } }
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public Spring LeftHandPositionSpring { get { return m_LeftHandPositionSpring; }
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set {
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m_LeftHandPositionSpring = value;
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if (m_LeftHandPositionSpring != null) { m_LeftHandPositionSpring.Initialize(false, true); }
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}
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}
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public Spring LeftHandRotationSpring { get { return m_LeftHandRotationSpring; }
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set {
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m_LeftHandRotationSpring = value;
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if (m_LeftHandRotationSpring != null) { m_LeftHandRotationSpring.Initialize(true, true); }
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}
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}
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public Spring RightHandPositionSpring
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{
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get { return m_RightHandPositionSpring; }
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set
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{
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m_RightHandPositionSpring = value;
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if (m_RightHandPositionSpring != null) { m_RightHandPositionSpring.Initialize(false, true); }
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}
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}
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public Spring RightHandRotationSpring
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{
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get { return m_RightHandPositionSpring; }
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set
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{
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m_RightHandPositionSpring = value;
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if (m_RightHandPositionSpring != null) { m_RightHandPositionSpring.Initialize(true, true); }
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}
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}
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private GameObject m_GameObject;
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private Transform m_Transform;
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private Animator m_Animator;
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private UltimateCharacterLocomotion m_CharacterLocomotion;
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private ILookSource m_LookSource;
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private InventoryBase m_Inventory;
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private RaycastHit m_RaycastHit;
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private Transform m_Head;
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private Transform m_Hips;
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private Transform m_LeftFoot;
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private Transform m_RightFoot;
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private Transform m_LeftToes;
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private Transform m_RightToes;
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private Transform m_LeftLowerLeg;
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private Transform m_RightLowerLeg;
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private Transform m_LeftHand;
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private Transform m_RightHand;
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private Transform m_LeftUpperArm;
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private Transform m_RightUpperArm;
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private bool m_ImmediatePosition;
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private bool m_Aiming;
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private bool m_ItemInUse;
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private float m_LookAtBodyIKWeight;
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private float m_LookAtHeadIKWeight;
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private float m_LookAtEyesIKWeight;
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private Vector3 m_HipsPosition;
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private float m_HipsOffset;
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private float[] m_FootOffset = new float[2];
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private float[] m_FootIKWeight = new float[2];
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private float[] m_MaxLegLength = new float[2];
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private float[] m_RaycastDistance = new float[2];
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private float[] m_GroundDistance = new float[2];
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private Vector3[] m_GroundPoint = new Vector3[2];
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private Vector3[] m_GroundNormal = new Vector3[2];
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private float[] m_HandRotationIKWeight = new float[2];
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private float[] m_HandPositionIKWeight = new float[2];
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private int[] m_HandSlotID = new int[2];
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private Transform m_DominantHand;
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private Transform m_NonDominantHand;
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private float m_DominantUpperArmWeight;
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private Transform m_DominantUpperArm;
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private Vector3 m_DominantHandPosition;
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private Vector3 m_NonDominantHandOffset;
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private Vector3 m_NonDominantHandPosition;
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private int m_DominantSlotID;
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private Vector3 m_HandOffset;
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private bool m_Unequipping;
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private Transform m_LeftHandItemIKTarget;
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private Transform m_RightHandItemIKTarget;
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private Transform m_LeftHandItemIKHintTarget;
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private Transform m_RightHandItemIKHintTarget;
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private Transform[] m_IKTarget;
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private Transform[] m_AbilityIKTarget;
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private Transform[] m_InterpolationTarget;
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private float[] m_StartInterpolation;
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private float[] m_InterpolationDuration;
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private bool m_InterpolateIKTargets;
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private bool m_RequireSecondHandPositioning;
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private Vector3 m_PrevLeftHandPositionSpringValue;
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private Vector3 m_PrevLeftHandPositionSpringVelocity;
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private Vector3 m_PrevLeftHandRotationSpringValue;
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private Vector3 m_PrevLeftHandRotationSpringVelocity;
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private Vector3 m_PrevRightHandPositionSpringValue;
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private Vector3 m_PrevRightHandPositionSpringVelocity;
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private Vector3 m_PrevRightHandRotationSpringValue;
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private Vector3 m_PrevRightHandRotationSpringVelocity;
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private bool m_Enable;
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/// <summary>
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/// Initialize the default values.
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/// </summary>
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protected override void Awake()
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{
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base.Awake();
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m_GameObject = gameObject;
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m_Transform = transform;
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m_Animator = m_GameObject.GetCachedComponent<Animator>();
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// Assign the humanoid limbs. If the character is not a humanoid then the component will stay disabled because Unity's IK system
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// only works with humanoids.
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if (!m_Animator.isHuman) {
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Debug.LogError("Error: The CharacterIK component only works with humanoid models.");
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m_Enable = enabled = false;
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return;
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}
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m_Head = m_Animator.GetBoneTransform(HumanBodyBones.Head);
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if (m_Head == null) {
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Debug.LogError("Error: The Head bone is not assigned to the character " + m_GameObject.name + ".");
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m_Enable = enabled = false;
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return;
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}
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m_Hips = m_Animator.GetBoneTransform(HumanBodyBones.Hips);
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m_LeftFoot = m_Animator.GetBoneTransform(HumanBodyBones.LeftFoot);
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m_RightFoot = m_Animator.GetBoneTransform(HumanBodyBones.RightFoot);
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if (m_LeftFoot == null || m_RightFoot == null) {
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Debug.LogError("Error: The Left or Right foot bone is not assigned to the character " + m_GameObject.name + ".");
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m_Enable = enabled = false;
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return;
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}
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m_LeftToes = m_Animator.GetBoneTransform(HumanBodyBones.LeftToes);
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m_RightToes = m_Animator.GetBoneTransform(HumanBodyBones.RightToes);
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m_LeftLowerLeg = m_Animator.GetBoneTransform(HumanBodyBones.LeftLowerLeg);
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m_RightLowerLeg = m_Animator.GetBoneTransform(HumanBodyBones.RightLowerLeg);
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m_LeftHand = m_Animator.GetBoneTransform(HumanBodyBones.LeftHand);
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m_RightHand = m_Animator.GetBoneTransform(HumanBodyBones.RightHand);
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if (m_LeftHand == null || m_RightHand == null) {
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Debug.LogError("Error: The Left or Right hand bone is not assigned to the character " + m_GameObject.name + ".");
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m_Enable = enabled = false;
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return;
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}
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m_LeftUpperArm = m_Animator.GetBoneTransform(HumanBodyBones.LeftUpperArm);
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m_RightUpperArm = m_Animator.GetBoneTransform(HumanBodyBones.RightUpperArm);
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m_CharacterLocomotion = m_GameObject.GetCachedComponent<UltimateCharacterLocomotion>();
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// The limbs should snap into position at the start.
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m_ImmediatePosition = true;
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// Perform measurements during initialization while in a T-Pose so they can be compared against during the IK pass.
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for (int i = 0; i < 2; ++i) {
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var foot = i == 0 ? m_LeftFoot : m_RightFoot;
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m_FootOffset[i] = m_Transform.InverseTransformPoint(foot.position).y - m_FootOffsetAdjustment;
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m_MaxLegLength[i] = m_Transform.InverseTransformPoint(i == 0 ? m_LeftLowerLeg.position : m_RightLowerLeg.position).y - m_FootOffsetAdjustment;
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}
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m_HipsPosition = m_Transform.InverseTransformPoint(m_Hips.position);
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// The slot IDs can be populated programmatically by finding a reference to the ItemSlot component.
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var itemSlot = m_LeftHand.GetComponentInChildren<ItemSlot>();
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if (itemSlot != null) {
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m_HandSlotID[0] = itemSlot.ID;
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}
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itemSlot = m_RightHand.GetComponentInChildren<ItemSlot>();
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if (itemSlot != null) {
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m_HandSlotID[1] = itemSlot.ID;
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}
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// Initialize the target ik arrays.
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var count = (int)IKGoal.Last;
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m_IKTarget = new Transform[count];
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m_AbilityIKTarget = new Transform[count];
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m_InterpolationTarget = new Transform[count];
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m_StartInterpolation = new float[count];
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m_InterpolationDuration = new float[count];
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for (int i = 0; i < m_StartInterpolation.Length; ++i) {
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m_StartInterpolation[i] = -1;
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}
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m_LeftHandPositionSpring.Initialize(false, true);
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m_LeftHandRotationSpring.Initialize(true, true);
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m_RightHandPositionSpring.Initialize(false, true);
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m_RightHandRotationSpring.Initialize(true, true);
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EventHandler.RegisterEvent<ILookSource>(m_GameObject, "OnCharacterAttachLookSource", OnAttachLookSource);
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EventHandler.RegisterEvent<Item, int>(m_GameObject, "OnInventoryEquipItem", OnEquipItem);
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|
|
EventHandler.RegisterEvent<Item, int>(m_GameObject, "OnInventoryUnequipItem", OnUnequipItem);
|
|||
|
|
EventHandler.RegisterEvent<Item, int>(m_GameObject, "OnInventoryRemoveItem", OnUnequipItem);
|
|||
|
|
EventHandler.RegisterEvent<bool>(m_GameObject, "OnAimAbilityAim", OnAim);
|
|||
|
|
EventHandler.RegisterEvent<bool, Abilities.Items.Use>(m_GameObject, "OnUseAbilityStart", OnUseStart);
|
|||
|
|
EventHandler.RegisterEvent<int, Vector3, Vector3, bool>(m_GameObject, "OnAddSecondaryForce", OnAddForce);
|
|||
|
|
EventHandler.RegisterEvent(m_GameObject, "OnAnimatorWillSnap", ImmediatePosition);
|
|||
|
|
EventHandler.RegisterEvent(m_GameObject, "OnAnimatorSnapped", AnimatorSnapped);
|
|||
|
|
EventHandler.RegisterEvent<Vector3, Vector3, GameObject>(m_GameObject, "OnDeath", OnDeath);
|
|||
|
|
EventHandler.RegisterEvent(m_GameObject, "OnRespawn", OnRespawn);
|
|||
|
|
|
|||
|
|
m_Enable = enabled;
|
|||
|
|
// Disable the component until the LookSource has been attached.
|
|||
|
|
enabled = false;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
#if UNITY_EDITOR
|
|||
|
|
/// <summary>
|
|||
|
|
/// Implement start so the enable/disable toggle appears up in the inspector.
|
|||
|
|
/// </summary>
|
|||
|
|
private void Start() { }
|
|||
|
|
#endif
|
|||
|
|
|
|||
|
|
/// <summary>
|
|||
|
|
/// A new ILookSource object has been attached to the character.
|
|||
|
|
/// </summary>
|
|||
|
|
/// <param name="lookSource">The ILookSource object attached to the character.</param>
|
|||
|
|
private void OnAttachLookSource(ILookSource lookSource)
|
|||
|
|
{
|
|||
|
|
var prevEnabled = enabled;
|
|||
|
|
m_LookSource = lookSource;
|
|||
|
|
enabled = m_Enable && m_LookSource != null;
|
|||
|
|
// If the component is enabled update the animator so OnAnimatorIK will run.
|
|||
|
|
if (enabled && !prevEnabled) {
|
|||
|
|
m_Animator.Update(0);
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/// <summary>
|
|||
|
|
/// Specifies the location of the left or right hand IK target and IK hint target.
|
|||
|
|
/// </summary>
|
|||
|
|
/// <param name="itemTransform">The transform of the item.</param>
|
|||
|
|
/// <param name="itemHand">The hand that the item is parented to.</param>
|
|||
|
|
/// <param name="nonDominantHandTarget">The target of the left or right hand. Can be null.</param>
|
|||
|
|
/// <param name="nonDominantHandElbowTarget">The target of the left or right elbow. Can be null.</param>
|
|||
|
|
public override void SetItemIKTargets(Transform itemTransform, Transform itemHand, Transform nonDominantHandTarget, Transform nonDominantHandElbowTarget)
|
|||
|
|
{
|
|||
|
|
// If the item is parented to the right hand, then the left hand should use the IK target (and visa-versa).
|
|||
|
|
if (itemHand == m_RightHand) {
|
|||
|
|
m_LeftHandItemIKTarget = nonDominantHandTarget;
|
|||
|
|
m_LeftHandItemIKHintTarget = nonDominantHandElbowTarget;
|
|||
|
|
} else {
|
|||
|
|
m_RightHandItemIKTarget = nonDominantHandTarget;
|
|||
|
|
m_RightHandItemIKHintTarget = nonDominantHandElbowTarget;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
UpdateIKTargets();
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/// <summary>
|
|||
|
|
/// Specifies the target location of the limb.
|
|||
|
|
/// </summary>
|
|||
|
|
/// <param name="target">The target location of the limb.</param>
|
|||
|
|
/// <param name="ikGoal">The limb affected by the target location.</param>
|
|||
|
|
/// <param name="duration">The amount of time it takes to reach the goal.</param>
|
|||
|
|
public override void SetAbilityIKTarget(Transform target, IKGoal ikGoal, float duration)
|
|||
|
|
{
|
|||
|
|
if (m_InterpolationTarget[(int)ikGoal] == null) {
|
|||
|
|
var interpTarget = new GameObject("IK Interpolation " + ikGoal);
|
|||
|
|
m_InterpolationTarget[(int)ikGoal] = interpTarget.transform;
|
|||
|
|
m_InterpolationTarget[(int)ikGoal].SetParentOrigin(m_Transform);
|
|||
|
|
}
|
|||
|
|
m_StartInterpolation[(int)ikGoal] = Time.time;
|
|||
|
|
m_InterpolationDuration[(int)ikGoal] = duration;
|
|||
|
|
|
|||
|
|
SetAbilityIKTarget(target, ikGoal);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/// <summary>
|
|||
|
|
/// Specifies the target location of the limb.
|
|||
|
|
/// </summary>
|
|||
|
|
/// <param name="target">The target location of the limb.</param>
|
|||
|
|
/// <param name="ikGoal">The limb affected by the target location.</param>
|
|||
|
|
private void SetAbilityIKTarget(Transform target, IKGoal ikGoal)
|
|||
|
|
{
|
|||
|
|
m_AbilityIKTarget[(int)ikGoal] = target;
|
|||
|
|
m_InterpolateIKTargets = true;
|
|||
|
|
UpdateIKTargets();
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/// <summary>
|
|||
|
|
/// Updates the IK target references.
|
|||
|
|
/// </summary>
|
|||
|
|
private void UpdateIKTargets()
|
|||
|
|
{
|
|||
|
|
// The ability ik targets override the item ik targets.
|
|||
|
|
m_IKTarget[(int)IKGoal.LeftHand] = m_StartInterpolation[(int)IKGoal.LeftHand] != -1 ? m_InterpolationTarget[(int)IKGoal.LeftHand] :
|
|||
|
|
(m_AbilityIKTarget[(int)IKGoal.LeftHand] != null ? m_AbilityIKTarget[(int)IKGoal.LeftHand] : m_LeftHandItemIKTarget);
|
|||
|
|
m_IKTarget[(int)IKGoal.LeftElbow] = m_StartInterpolation[(int)IKGoal.LeftElbow] != -1 ? m_InterpolationTarget[(int)IKGoal.LeftElbow] :
|
|||
|
|
(m_AbilityIKTarget[(int)IKGoal.LeftElbow] != null ? m_AbilityIKTarget[(int)IKGoal.LeftElbow] : m_LeftHandItemIKHintTarget);
|
|||
|
|
m_IKTarget[(int)IKGoal.RightHand] = m_StartInterpolation[(int)IKGoal.RightHand] != -1 ? m_InterpolationTarget[(int)IKGoal.RightHand] :
|
|||
|
|
(m_AbilityIKTarget[(int)IKGoal.RightHand] != null ? m_AbilityIKTarget[(int)IKGoal.RightHand] : m_RightHandItemIKTarget);
|
|||
|
|
m_IKTarget[(int)IKGoal.RightElbow] = m_StartInterpolation[(int)IKGoal.RightElbow] != -1 ? m_InterpolationTarget[(int)IKGoal.RightElbow] :
|
|||
|
|
(m_AbilityIKTarget[(int)IKGoal.RightElbow] != null ? m_AbilityIKTarget[(int)IKGoal.RightElbow] : m_RightHandItemIKHintTarget);
|
|||
|
|
for (int i = 0; i < (int)IKGoal.LeftFoot; ++i) {
|
|||
|
|
m_RequireSecondHandPositioning = m_IKTarget[i] != null;
|
|||
|
|
if (m_RequireSecondHandPositioning) {
|
|||
|
|
break;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
// The feet targets are not affected by items so they can easily be iterated.
|
|||
|
|
for (int i = (int)IKGoal.LeftFoot; i < (int)IKGoal.Last; ++i) {
|
|||
|
|
m_IKTarget[i] = m_StartInterpolation[i] != -1 ? m_InterpolationTarget[i] : m_AbilityIKTarget[i];
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/// <summary>
|
|||
|
|
/// An item has been equipped.
|
|||
|
|
/// </summary>
|
|||
|
|
/// <param name="item">The equipped item.</param>
|
|||
|
|
/// <param name="slotID">The slot that the item now occupies.</param>
|
|||
|
|
private void OnEquipItem(Item item, int slotID)
|
|||
|
|
{
|
|||
|
|
DetermineDominantHand();
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/// <summary>
|
|||
|
|
/// An item has been unequipped.
|
|||
|
|
/// </summary>
|
|||
|
|
/// <param name="item">The item that was unequipped.</param>
|
|||
|
|
/// <param name="slotID">The slot that the item was unequipped from.</param>
|
|||
|
|
private void OnUnequipItem(Item item, int slotID)
|
|||
|
|
{
|
|||
|
|
DetermineDominantHand();
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/// <summary>
|
|||
|
|
/// An item was equipepd or unequipped. Determine the new dominant hand.
|
|||
|
|
/// </summary>
|
|||
|
|
private void DetermineDominantHand()
|
|||
|
|
{
|
|||
|
|
if (m_Inventory == null) {
|
|||
|
|
m_Inventory = m_GameObject.GetCachedComponent<InventoryBase>();
|
|||
|
|
}
|
|||
|
|
Item dominantItem = null;
|
|||
|
|
for (int i = 0; i < m_Inventory.SlotCount; ++i) {
|
|||
|
|
var item = m_Inventory.GetActiveItem(i);
|
|||
|
|
if (item != null && item.DominantItem) {
|
|||
|
|
dominantItem = item;
|
|||
|
|
break;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
// The hands should act independently if there are no items.
|
|||
|
|
if (dominantItem == null) {
|
|||
|
|
m_Unequipping = true;
|
|||
|
|
// Do not reset the variables immediately - the upper arm weight first needs to interpolate back to 0 for a smooth unequip.
|
|||
|
|
if (m_DominantUpperArmWeight == 0) {
|
|||
|
|
m_DominantHand = null;
|
|||
|
|
m_NonDominantHand = null;
|
|||
|
|
m_DominantUpperArm = null;
|
|||
|
|
m_DominantSlotID = -1;
|
|||
|
|
}
|
|||
|
|
} else {
|
|||
|
|
m_Unequipping = false;
|
|||
|
|
if (dominantItem.SlotID == m_HandSlotID[0]) { // Left Hand.
|
|||
|
|
m_DominantHand = m_LeftHand;
|
|||
|
|
m_NonDominantHand = m_RightHand;
|
|||
|
|
m_DominantUpperArm = m_LeftUpperArm;
|
|||
|
|
m_DominantSlotID = dominantItem.SlotID;
|
|||
|
|
} else if (dominantItem.SlotID == m_HandSlotID[1]) { // Right Hand.
|
|||
|
|
m_DominantHand = m_RightHand;
|
|||
|
|
m_NonDominantHand = m_LeftHand;
|
|||
|
|
m_DominantUpperArm = m_RightUpperArm;
|
|||
|
|
m_DominantSlotID = dominantItem.SlotID;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/// <summary>
|
|||
|
|
/// The Aim ability has started or stopped.
|
|||
|
|
/// </summary>
|
|||
|
|
/// <param name="start">Has the Aim ability started?</param>
|
|||
|
|
/// <param name="inputStart">Was the ability started from input?</param>
|
|||
|
|
private void OnAim(bool aim)
|
|||
|
|
{
|
|||
|
|
m_Aiming = aim;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/// <summary>
|
|||
|
|
/// The Use ability has started or stopped using an item.
|
|||
|
|
/// </summary>
|
|||
|
|
/// <param name="start">Has the Use ability started?</param>
|
|||
|
|
/// <param name="useAbility">The Use ability that has started or stopped.</param>
|
|||
|
|
private void OnUseStart(bool start, Abilities.Items.Use useAbility)
|
|||
|
|
{
|
|||
|
|
if (useAbility.SlotID == -1 || useAbility.SlotID == m_DominantSlotID) {
|
|||
|
|
m_ItemInUse = start;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/// <summary>
|
|||
|
|
/// Adds a positional and rotational force to the ik target.
|
|||
|
|
/// </summary>
|
|||
|
|
/// <param name="slotID">The Slot ID that is adding the secondary force.</param>
|
|||
|
|
/// <param name="positionalForce">The positional force to add.</param>
|
|||
|
|
/// <param name="rotationalForce">The rotational force to add.</param>
|
|||
|
|
/// <param name="globalForce">Is the force applied to the entire character?</param>
|
|||
|
|
private void OnAddForce(int slotID, Vector3 positionalForce, Vector3 rotationalForce, bool globalForce)
|
|||
|
|
{
|
|||
|
|
if (globalForce || slotID == m_HandSlotID[0]) { // Left Hand.
|
|||
|
|
m_LeftHandPositionSpring.AddForce(positionalForce);
|
|||
|
|
m_LeftHandRotationSpring.AddForce(rotationalForce);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
if (globalForce || slotID == m_HandSlotID[1]) { // Right Hand.
|
|||
|
|
m_RightHandPositionSpring.AddForce(positionalForce);
|
|||
|
|
m_RightHandRotationSpring.AddForce(rotationalForce);
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/// <summary>
|
|||
|
|
/// Updates the IK component after the animator has updated.
|
|||
|
|
/// </summary>
|
|||
|
|
/// <param name="fixedUpdate">Is the IK being updated within the FixedUpdate loop?</param>
|
|||
|
|
public override void Move(bool fixedUpdate)
|
|||
|
|
{
|
|||
|
|
m_Hips.position = m_Transform.TransformPoint(m_HipsPosition);
|
|||
|
|
|
|||
|
|
// After the IK has finished positioning the limbs for the first time reset the immediate position. It should smoothly blend
|
|||
|
|
// during runtime.
|
|||
|
|
if (m_ImmediatePosition) {
|
|||
|
|
m_ImmediatePosition = false;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/// <summary>
|
|||
|
|
/// Update the IK position and weights.
|
|||
|
|
/// </summary>
|
|||
|
|
/// <param name="layerIndex">The animator layer that is affected by IK.</param>
|
|||
|
|
private void OnAnimatorIK(int layerIndex)
|
|||
|
|
{
|
|||
|
|
m_CharacterLocomotion.EnableColliderCollisionLayer(false);
|
|||
|
|
|
|||
|
|
if (layerIndex == m_BaseLayerIndex) { // Base layer.
|
|||
|
|
// Any target interpolations should first be updated before ik is run.
|
|||
|
|
UpdateTargetInterpolations();
|
|||
|
|
// Position the legs to stand on the ground.
|
|||
|
|
PositionLowerBody();
|
|||
|
|
// The upper body should look in the direction of the LookSource.
|
|||
|
|
LookAtTarget();
|
|||
|
|
} else if (layerIndex == m_UpperBodyLayerIndex) { // Upper body.
|
|||
|
|
// If the character is aiming the hands should be rotated towards the target.
|
|||
|
|
RotateHands();
|
|||
|
|
// The upper arms should look in the direction of the target.
|
|||
|
|
RotateUpperArms();
|
|||
|
|
// If the character is aiming the hands should be positioned towards the target.
|
|||
|
|
PositionHands();
|
|||
|
|
} else if (m_RequireSecondHandPositioning) { // Full body layer.
|
|||
|
|
// If an IK target is set the hands need to be positioned again so they match the upper body rotation.
|
|||
|
|
PositionHands();
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
m_CharacterLocomotion.EnableColliderCollisionLayer(true);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/// <summary>
|
|||
|
|
/// Positions the lower body so the legs are always on the ground.
|
|||
|
|
/// </summary>
|
|||
|
|
private void PositionLowerBody()
|
|||
|
|
{
|
|||
|
|
var hipsOffset = m_CharacterLocomotion.ColliderSpacing;
|
|||
|
|
if (m_CharacterLocomotion.Grounded && m_CharacterLocomotion.UsingVerticalCollisionDetection) {
|
|||
|
|
// There are two passes for positioning the feet. The hips need to be positioned first and then the feet can be positioned.
|
|||
|
|
for (int i = 0; i < 2; ++i) {
|
|||
|
|
// If a foot ik target is set then the feet are positioned manually.
|
|||
|
|
if (m_IKTarget[(int)(i == 0 ? IKGoal.LeftFoot : IKGoal.RightFoot)] != null) {
|
|||
|
|
m_GroundDistance[i] = float.MaxValue;
|
|||
|
|
continue;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
// Fire the first raycast from the foot.
|
|||
|
|
float distance;
|
|||
|
|
var target = (i == 0 ? m_LeftFoot : m_RightFoot);
|
|||
|
|
var lowerLeg = (i == 0 ? m_LeftLowerLeg : m_RightLowerLeg);
|
|||
|
|
if (Physics.Raycast(GetFootRaycastPosition(target, lowerLeg, out distance), -m_CharacterLocomotion.Up, out m_RaycastHit,
|
|||
|
|
distance + m_FootOffset[i] + m_MaxLegLength[i], m_LayerMask, QueryTriggerInteraction.Ignore) &&
|
|||
|
|
m_Transform.InverseTransformPoint(m_RaycastHit.point).y < m_CharacterLocomotion.MaxStepHeight) {
|
|||
|
|
m_RaycastDistance[i] = distance * m_Transform.lossyScale.y;
|
|||
|
|
m_GroundDistance[i] = m_RaycastHit.distance;
|
|||
|
|
m_GroundPoint[i] = m_RaycastHit.point;
|
|||
|
|
m_GroundNormal[i] = m_RaycastHit.normal;
|
|||
|
|
} else {
|
|||
|
|
m_GroundDistance[i] = float.MaxValue;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
// Fire the second raycast from the toe. If a closer object is hit then the toe raycast results should be used. This prevent the toe from clipping objects
|
|||
|
|
// if the object isn't at the same height as the foot.
|
|||
|
|
target = (i == 0 ? m_LeftToes : m_RightToes);
|
|||
|
|
if (target != null && Physics.Raycast(GetFootRaycastPosition(target, lowerLeg, out distance), -m_CharacterLocomotion.Up, out m_RaycastHit,
|
|||
|
|
distance + m_FootOffset[i] + m_MaxLegLength[i], m_LayerMask, QueryTriggerInteraction.Ignore) &&
|
|||
|
|
m_Transform.InverseTransformPoint(m_RaycastHit.point).y < m_CharacterLocomotion.MaxStepHeight) {
|
|||
|
|
// In addition to checking the distance also ensure the normal is the same as the up direction as the character. This will prevent the toes from
|
|||
|
|
// positioning the IK while on a slope.
|
|||
|
|
if (m_RaycastHit.distance + m_CharacterLocomotion.ColliderSpacing < m_GroundDistance[i] && m_RaycastHit.normal == m_CharacterLocomotion.Up) {
|
|||
|
|
m_RaycastDistance[i] = distance * m_Transform.lossyScale.y;
|
|||
|
|
m_GroundDistance[i] = m_RaycastHit.distance;
|
|||
|
|
m_GroundPoint[i] = m_RaycastHit.point;
|
|||
|
|
m_GroundNormal[i] = m_RaycastHit.normal;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
if (m_GroundDistance[i] != float.MaxValue) {
|
|||
|
|
// If the foot is at the same relative height then the hip offset should be set. This is most useful when the character is standing on uneven ground.
|
|||
|
|
// As an example, imagine that the character is standing on a set of stairs. The stairs have two sets of colliders: one collider which covers each step
|
|||
|
|
// and another plane collider at the same slope as the stairs. The character’s collider is going to be resting on the plane collider while standing on the
|
|||
|
|
// stairs and the IK system will be trying to ensure the feet are resting on the stairs collider. In some cases the plane collider may be relatively far
|
|||
|
|
// above the stair collider so the hip needs to be moved down to allow the character’s foot to hit the stair collider.
|
|||
|
|
float offset;
|
|||
|
|
var foot = (i == 0 ? m_LeftFoot : m_RightFoot);
|
|||
|
|
if ((offset = m_GroundDistance[i] - m_RaycastDistance[i] - m_Transform.InverseTransformPoint(foot.position).y) > hipsOffset) {
|
|||
|
|
hipsOffset = offset;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
// Smoothly position the hips.
|
|||
|
|
m_HipsOffset = m_ImmediatePosition ? hipsOffset : Mathf.Lerp(m_HipsOffset, hipsOffset, m_HipsPositionAdjustmentSpeed * Time.deltaTime);
|
|||
|
|
m_HipsPosition = m_Transform.InverseTransformPoint(m_Hips.position);
|
|||
|
|
m_HipsPosition.y -= m_HipsOffset;
|
|||
|
|
|
|||
|
|
// Move the feet into the correct position/rotation.
|
|||
|
|
for (int i = 0; i < 2; ++i) {
|
|||
|
|
var ikGoal = (i == 0 ? AvatarIKGoal.LeftFoot : AvatarIKGoal.RightFoot);
|
|||
|
|
var position = m_Animator.GetIKPosition(ikGoal);
|
|||
|
|
var rotation = m_Animator.GetIKRotation(ikGoal);
|
|||
|
|
var targetWeight = 0f;
|
|||
|
|
|
|||
|
|
var adjustmentSpeed = m_FootWeightInactiveAdjustmentSpeed;
|
|||
|
|
Transform target;
|
|||
|
|
// If an IK target is specified then the target should be used.
|
|||
|
|
if ((target = m_IKTarget[(int)(i == 0 ? IKGoal.LeftFoot : IKGoal.RightFoot)]) != null) {
|
|||
|
|
position = target.position;
|
|||
|
|
rotation = target.rotation;
|
|||
|
|
targetWeight = 1f;
|
|||
|
|
adjustmentSpeed = m_FootWeightActiveAdjustmentSpeed;
|
|||
|
|
} else {
|
|||
|
|
// Determine the position and rotation of the foot if on the ground.
|
|||
|
|
if (m_CharacterLocomotion.Grounded) {
|
|||
|
|
// IK should only be used if the foot position would be underneath the ground position.
|
|||
|
|
if (m_GroundDistance[i] != float.MaxValue && m_GroundDistance[i] > 0 && m_Transform.InverseTransformDirection(position - m_GroundPoint[i]).y - m_FootOffset[i] - m_HipsOffset < 0) {
|
|||
|
|
var localFootPosition = m_Transform.InverseTransformPoint(position);
|
|||
|
|
localFootPosition.y = m_Transform.InverseTransformPoint(m_GroundPoint[i]).y;
|
|||
|
|
position = m_Transform.TransformPoint(localFootPosition) + m_CharacterLocomotion.Up * (m_FootOffset[i] + m_HipsOffset);
|
|||
|
|
rotation = Quaternion.LookRotation(Vector3.Cross(m_GroundNormal[i], rotation * -Vector3.right), m_CharacterLocomotion.Up);
|
|||
|
|
targetWeight = 1f;
|
|||
|
|
adjustmentSpeed = m_FootWeightActiveAdjustmentSpeed;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
if (adjustmentSpeed == 0) {
|
|||
|
|
m_FootIKWeight[i] = 0;
|
|||
|
|
} else {
|
|||
|
|
m_FootIKWeight[i] = Mathf.Clamp01(m_ImmediatePosition ? targetWeight : Mathf.MoveTowards(m_FootIKWeight[i], targetWeight, adjustmentSpeed * Time.deltaTime));
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
// Other objects have the chance of modifying the final position and rotation value.
|
|||
|
|
if (m_OnUpdateIKPosition != null) {
|
|||
|
|
position = m_OnUpdateIKPosition(i == 0 ? IKGoal.LeftFoot : IKGoal.RightFoot, position, rotation);
|
|||
|
|
}
|
|||
|
|
if (m_OnUpdateIKRotation != null) {
|
|||
|
|
rotation = m_OnUpdateIKRotation(i == 0 ? IKGoal.LeftFoot : IKGoal.RightFoot, rotation, position);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
// Apply the IK position and rotation.
|
|||
|
|
m_Animator.SetIKPosition(ikGoal, position);
|
|||
|
|
m_Animator.SetIKRotation(ikGoal, rotation);
|
|||
|
|
m_Animator.SetIKPositionWeight(ikGoal, m_FootIKWeight[i]);
|
|||
|
|
m_Animator.SetIKRotationWeight(ikGoal, m_FootIKWeight[i]);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
// The knees can be positioned manually.
|
|||
|
|
if (m_IKTarget[(int)IKGoal.LeftKnee] != null) {
|
|||
|
|
m_Animator.SetIKHintPosition(AvatarIKHint.LeftKnee, m_IKTarget[(int)IKGoal.LeftKnee].position);
|
|||
|
|
m_Animator.SetIKHintPositionWeight(AvatarIKHint.LeftKnee, m_FootIKWeight[0]);
|
|||
|
|
}
|
|||
|
|
if (m_IKTarget[(int)IKGoal.RightKnee] != null) {
|
|||
|
|
m_Animator.SetIKHintPosition(AvatarIKHint.RightKnee, m_IKTarget[(int)IKGoal.RightKnee].position);
|
|||
|
|
m_Animator.SetIKHintPositionWeight(AvatarIKHint.RightKnee, m_FootIKWeight[1]);
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/// <summary>
|
|||
|
|
/// Returns the position that the raycast should start at when determining if the foot is near the ground.
|
|||
|
|
/// </summary>
|
|||
|
|
/// <param name="targetTransform">The Transform of the foot or toe.</param>
|
|||
|
|
/// <param name="lowerLeg">The Transform of the lower leg.</param>
|
|||
|
|
/// <param name="distance">The vertical distance between the hip and target Transform.</param>
|
|||
|
|
/// <returns>The position that the raycast should start at when determining if the foot is near the ground.</returns>
|
|||
|
|
private Vector3 GetFootRaycastPosition(Transform targetTransform, Transform lowerLeg, out float distance)
|
|||
|
|
{
|
|||
|
|
// The relative y position should be the same as the lower leg so the raycast can detect any objects between the lower leg position and current foot position.
|
|||
|
|
var raycastPosition = m_Transform.InverseTransformPoint(targetTransform.position);
|
|||
|
|
var localHipPosition = m_Transform.InverseTransformPoint(lowerLeg.position);
|
|||
|
|
distance = (localHipPosition.y - raycastPosition.y);
|
|||
|
|
raycastPosition.y = localHipPosition.y;
|
|||
|
|
return m_Transform.TransformPoint(raycastPosition);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/// <summary>
|
|||
|
|
/// Rotates the upper body to look at the target specified by the LookSource.
|
|||
|
|
/// </summary>
|
|||
|
|
private void LookAtTarget()
|
|||
|
|
{
|
|||
|
|
var lookDirection = m_LookSource.LookDirection(m_Head.position, false, 0, true);
|
|||
|
|
// Multiply the local offset by the distance so the same relative offset will be applied for both the upper body and head.
|
|||
|
|
var localOffset = m_LookAtOffset * m_LookSource.LookDirectionDistance;
|
|||
|
|
localOffset.z += m_LookSource.LookDirectionDistance;
|
|||
|
|
var position = MathUtility.TransformPoint(m_Head.position, Quaternion.LookRotation(lookDirection), localOffset);
|
|||
|
|
m_Animator.SetLookAtPosition(position);
|
|||
|
|
|
|||
|
|
m_LookAtBodyIKWeight = m_ImmediatePosition ? m_LookAtBodyWeight :
|
|||
|
|
Mathf.Lerp(m_LookAtBodyIKWeight, m_LookAtBodyWeight, m_LookAtAdjustmentSpeed);
|
|||
|
|
m_LookAtHeadIKWeight = m_ImmediatePosition ? m_LookAtHeadWeight :
|
|||
|
|
Mathf.Lerp(m_LookAtHeadIKWeight, m_LookAtHeadWeight, m_LookAtAdjustmentSpeed);
|
|||
|
|
m_LookAtEyesIKWeight = m_ImmediatePosition ? m_LookAtHeadWeight :
|
|||
|
|
Mathf.Lerp(m_LookAtEyesIKWeight, m_LookAtHeadWeight, m_LookAtAdjustmentSpeed);
|
|||
|
|
m_Animator.SetLookAtWeight(1, m_LookAtBodyIKWeight, m_LookAtHeadIKWeight, m_LookAtEyesIKWeight, m_LookAtClampWeight);
|
|||
|
|
|
|||
|
|
#if UNITY_EDITOR
|
|||
|
|
// Visualize the direction of the target look position.
|
|||
|
|
if (m_DebugDrawLookRay) {
|
|||
|
|
Debug.DrawRay(m_Animator.GetBoneTransform(HumanBodyBones.Head).position, lookDirection * m_LookSource.LookDirectionDistance, Color.green);
|
|||
|
|
}
|
|||
|
|
#endif
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/// <summary>
|
|||
|
|
/// Rotates the hands to look at the target specified by the LookSource.
|
|||
|
|
/// </summary>
|
|||
|
|
private void RotateHands()
|
|||
|
|
{
|
|||
|
|
var dominantHandGoal = m_DominantHand == m_RightHand ? AvatarIKGoal.RightHand : AvatarIKGoal.LeftHand;
|
|||
|
|
var nonDominantHandGoal = m_DominantHand == m_RightHand ? AvatarIKGoal.LeftHand : AvatarIKGoal.RightHand;
|
|||
|
|
m_NonDominantHandOffset = MathUtility.InverseTransformPoint(m_Animator.GetIKPosition(dominantHandGoal), m_Animator.GetIKRotation(dominantHandGoal), m_Animator.GetIKPosition(nonDominantHandGoal));
|
|||
|
|
Transform distantHand = null;
|
|||
|
|
for (int i = 0; i < 2; ++i) {
|
|||
|
|
var ikGoal = (i == 0 ? AvatarIKGoal.LeftHand : AvatarIKGoal.RightHand);
|
|||
|
|
var ikTarget = (i == 0 ? m_IKTarget[(int)IKGoal.LeftHand] : m_IKTarget[(int)IKGoal.RightHand]);
|
|||
|
|
|
|||
|
|
// If an IK target is specified for the hand then it should use the Transform for the location. This for example allows an item to specify
|
|||
|
|
// the location of the non-dominant hand. The hands should also rotate towards the look direction if the character is aiming or the item
|
|||
|
|
// is being used.
|
|||
|
|
var targetWeight = 0f;
|
|||
|
|
if (m_HandWeight > 0 && (ikTarget != null || m_Aiming || m_ItemInUse || m_CharacterLocomotion.FirstPersonPerspective || m_OnUpdateIKRotation != null)) {
|
|||
|
|
targetWeight = m_HandWeight;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
m_HandRotationIKWeight[i] = Mathf.Clamp01(m_ImmediatePosition ? targetWeight :
|
|||
|
|
Mathf.MoveTowards(m_HandRotationIKWeight[i], targetWeight, m_HandAdjustmentSpeed * Time.deltaTime));
|
|||
|
|
|
|||
|
|
// Set the IK rotation after the weight has been set. This is done after the weight is set because the rotation should be set at any time
|
|||
|
|
// the weight is greater than zero (such as when the hands are transitioning from aiming to no aiming).
|
|||
|
|
var targetRotation = m_Animator.GetIKRotation(ikGoal);
|
|||
|
|
if (m_HandRotationIKWeight[i] > 0) {
|
|||
|
|
if (ikTarget != null) {
|
|||
|
|
targetRotation = m_Transform.rotation * m_IKTarget[(int)(i == 0 ? IKGoal.LeftHand : IKGoal.RightHand)].localRotation;
|
|||
|
|
} else {
|
|||
|
|
// Use the distant hand so the hands are always pointing in the same direction.
|
|||
|
|
if (distantHand == null) {
|
|||
|
|
if (m_Transform.InverseTransformPoint(m_RightHand.position).z < m_Transform.InverseTransformPoint(m_LeftHand.position).z) {
|
|||
|
|
distantHand = m_LeftHand;
|
|||
|
|
} else {
|
|||
|
|
distantHand = m_RightHand;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
var lookDirection = (m_LookSource.LookDirection(distantHand.position, false, 0, true) + m_Transform.TransformDirection(m_LookAtOffset)).normalized;
|
|||
|
|
targetRotation = Quaternion.LookRotation(lookDirection, m_CharacterLocomotion.Up) * Quaternion.Inverse(m_Transform.rotation) *
|
|||
|
|
Quaternion.Euler(m_Transform.TransformDirection(i == 0 ? m_LeftHandRotationSpring.Value : m_RightHandRotationSpring.Value)) *
|
|||
|
|
targetRotation;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
// Other objects have the chance of modifying the final rotation value.
|
|||
|
|
targetWeight = m_HandRotationIKWeight[i];
|
|||
|
|
if (m_OnUpdateIKRotation != null) {
|
|||
|
|
targetWeight = 1;
|
|||
|
|
targetRotation = m_OnUpdateIKRotation(i == 0 ? IKGoal.LeftHand : IKGoal.RightHand, targetRotation, m_Animator.GetIKPosition(ikGoal));
|
|||
|
|
}
|
|||
|
|
m_Animator.SetIKRotation(ikGoal, targetRotation);
|
|||
|
|
m_Animator.SetIKRotationWeight(ikGoal, targetWeight);
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/// <summary>
|
|||
|
|
/// Rotates the upper arms to face the target.
|
|||
|
|
/// </summary>
|
|||
|
|
private void RotateUpperArms()
|
|||
|
|
{
|
|||
|
|
var targetWeight = 0f;
|
|||
|
|
if (m_DominantUpperArm != null && m_UpperArmWeight > 0 && !m_Unequipping) {
|
|||
|
|
targetWeight = m_UpperArmWeight;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
var prevUpperArmWeight = m_DominantUpperArmWeight;
|
|||
|
|
m_DominantUpperArmWeight = Mathf.Clamp01(m_ImmediatePosition ? targetWeight : Mathf.MoveTowards(m_DominantUpperArmWeight, targetWeight, m_UpperArmAdjustmentSpeed * Time.deltaTime));
|
|||
|
|
if (prevUpperArmWeight > 0 && m_DominantUpperArmWeight == 0) {
|
|||
|
|
DetermineDominantHand();
|
|||
|
|
}
|
|||
|
|
if (m_DominantUpperArm != null) {
|
|||
|
|
if (m_DominantUpperArmWeight > 0) {
|
|||
|
|
// The dominant upper arm should rotate to face the target.
|
|||
|
|
var localLookDirection = m_Transform.InverseTransformDirection(m_LookSource.LookDirection(m_DominantUpperArm.position, false, 0, true));
|
|||
|
|
var lookDirection = m_Transform.InverseTransformDirection(m_Transform.forward);
|
|||
|
|
lookDirection.y = localLookDirection.y;
|
|||
|
|
lookDirection = m_Transform.TransformDirection(lookDirection).normalized;
|
|||
|
|
// Prevent the upper arm from moving too far behind the character.
|
|||
|
|
if (localLookDirection.y < 0) {
|
|||
|
|
lookDirection = Vector3.Lerp(m_Transform.forward, lookDirection, 1 - Mathf.Abs(localLookDirection.y));
|
|||
|
|
}
|
|||
|
|
var targetRotation = Quaternion.FromToRotation(m_Transform.forward, lookDirection) * m_DominantUpperArm.rotation;
|
|||
|
|
targetRotation = Quaternion.Slerp(m_DominantUpperArm.rotation, targetRotation, m_DominantUpperArmWeight);
|
|||
|
|
|
|||
|
|
// When the hand IK positions are set they should use the updated rotation.
|
|||
|
|
var offset = Vector3.Scale(m_DominantUpperArm.InverseTransformPoint(m_DominantHand.position), m_DominantHand.lossyScale);
|
|||
|
|
m_DominantHandPosition = MathUtility.TransformPoint(m_DominantUpperArm.position, targetRotation, offset);
|
|||
|
|
|
|||
|
|
// The non-dominant hand position is determined by the dominant hand's rotation as well as the upper arm's rotation.
|
|||
|
|
if (m_HandRotationIKWeight[m_DominantHand == m_RightHand ? 0 : 1] > 0) {
|
|||
|
|
m_NonDominantHandPosition = MathUtility.TransformPoint(m_DominantHandPosition, m_Animator.GetIKRotation(m_DominantHand == m_RightHand ?
|
|||
|
|
AvatarIKGoal.RightHand : AvatarIKGoal.LeftHand), m_NonDominantHandOffset);
|
|||
|
|
} else {
|
|||
|
|
offset = Vector3.Scale(m_DominantUpperArm.InverseTransformPoint(m_NonDominantHand.position), m_NonDominantHand.lossyScale);
|
|||
|
|
m_NonDominantHandPosition = MathUtility.TransformPoint(m_DominantUpperArm.position, targetRotation, offset);
|
|||
|
|
}
|
|||
|
|
} else if (m_DominantHand != null) {
|
|||
|
|
// If the upper arm does not rotate at all then the hand positions can be determined based off of the original upper arm rotation.
|
|||
|
|
m_HandOffset = Vector3.Scale(m_DominantHand.InverseTransformPoint(m_NonDominantHand.position), m_NonDominantHand.lossyScale);
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/// <summary>
|
|||
|
|
/// Updates the interpolation transform to move closer towards the target.
|
|||
|
|
/// </summary>
|
|||
|
|
private void UpdateTargetInterpolations()
|
|||
|
|
{
|
|||
|
|
if (!m_InterpolateIKTargets) {
|
|||
|
|
return;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
m_InterpolateIKTargets = false;
|
|||
|
|
var updateIKTargets = false;
|
|||
|
|
for (int i = 0; i < (int)IKGoal.Last; ++i) {
|
|||
|
|
if (m_StartInterpolation[i] != -1) {
|
|||
|
|
Vector3 ikPosition;
|
|||
|
|
var ikRotation = Quaternion.identity;
|
|||
|
|
// Convert the IKGoal to an AvatarIKGoal/AvatarIKHint.
|
|||
|
|
if (i == (int)IKGoal.LeftHand) {
|
|||
|
|
ikPosition = m_Animator.GetIKPosition(AvatarIKGoal.LeftHand);
|
|||
|
|
ikRotation = m_Animator.GetIKRotation(AvatarIKGoal.LeftHand);
|
|||
|
|
} else if (i == (int)IKGoal.LeftElbow) {
|
|||
|
|
ikPosition = m_Animator.GetIKHintPosition(AvatarIKHint.LeftElbow);
|
|||
|
|
} else if (i == (int)IKGoal.RightHand) {
|
|||
|
|
ikPosition = m_Animator.GetIKPosition(AvatarIKGoal.RightHand);
|
|||
|
|
ikRotation = m_Animator.GetIKRotation(AvatarIKGoal.RightHand);
|
|||
|
|
} else if (i == (int)IKGoal.RightElbow) {
|
|||
|
|
ikPosition = m_Animator.GetIKHintPosition(AvatarIKHint.RightElbow);
|
|||
|
|
} else if (i == (int)IKGoal.LeftFoot) {
|
|||
|
|
ikPosition = m_Animator.GetIKPosition(AvatarIKGoal.LeftFoot);
|
|||
|
|
ikRotation = m_Animator.GetIKRotation(AvatarIKGoal.LeftFoot);
|
|||
|
|
} else if (i == (int)IKGoal.LeftKnee) {
|
|||
|
|
ikPosition = m_Animator.GetIKHintPosition(AvatarIKHint.LeftKnee);
|
|||
|
|
} else if (i == (int)IKGoal.RightFoot) {
|
|||
|
|
ikPosition = m_Animator.GetIKPosition(AvatarIKGoal.RightFoot);
|
|||
|
|
ikRotation = m_Animator.GetIKRotation(AvatarIKGoal.RightFoot);
|
|||
|
|
} else { // Right Knee.
|
|||
|
|
ikPosition = m_Animator.GetIKHintPosition(AvatarIKHint.RightKnee);
|
|||
|
|
}
|
|||
|
|
// If the target is not null then the transform should interpolate towards the target. If the target is null then
|
|||
|
|
// the interpolation should move back towards the original ik position.
|
|||
|
|
var time = m_InterpolationDuration[i] > 0 ? Mathf.Clamp01((Time.time - m_StartInterpolation[i]) / m_InterpolationDuration[i]) : 1;
|
|||
|
|
if (m_AbilityIKTarget[i] == null) {
|
|||
|
|
m_InterpolationTarget[i].position = Vector3.Lerp(m_InterpolationTarget[i].position, ikPosition, time);
|
|||
|
|
m_InterpolationTarget[i].rotation = Quaternion.Slerp(m_InterpolationTarget[i].rotation, ikRotation, time);
|
|||
|
|
if (time == 1) {
|
|||
|
|
m_StartInterpolation[i] = -1;
|
|||
|
|
updateIKTargets = true;
|
|||
|
|
}
|
|||
|
|
} else {
|
|||
|
|
m_InterpolationTarget[i].position = Vector3.Lerp(ikPosition, m_AbilityIKTarget[i].position, time);
|
|||
|
|
m_InterpolationTarget[i].rotation = Quaternion.Slerp(ikRotation, m_AbilityIKTarget[i].rotation, time);
|
|||
|
|
}
|
|||
|
|
m_InterpolateIKTargets = true;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
if (updateIKTargets) {
|
|||
|
|
UpdateIKTargets();
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/// <summary>
|
|||
|
|
/// Position the hands to face the look direction.
|
|||
|
|
/// </summary>
|
|||
|
|
private void PositionHands()
|
|||
|
|
{
|
|||
|
|
for (int i = 0; i < 2; ++i) {
|
|||
|
|
var ikGoal = (i == 0 ? AvatarIKGoal.LeftHand : AvatarIKGoal.RightHand);
|
|||
|
|
var targetWeight = 0f;
|
|||
|
|
var hand = (i == 0 ? m_LeftHand : m_RightHand);
|
|||
|
|
var ikTarget = (i == 0 ? m_IKTarget[(int)IKGoal.LeftHand] : m_IKTarget[(int)IKGoal.RightHand]);
|
|||
|
|
var hintTarget = (i == 0 ? m_IKTarget[(int)IKGoal.LeftElbow] : m_IKTarget[(int)IKGoal.RightElbow]);
|
|||
|
|
var hintGoal = (i == 0 ? AvatarIKHint.LeftElbow : AvatarIKHint.RightElbow);
|
|||
|
|
|
|||
|
|
// If an IK target is specified for the hand then it should use the Transform for the location. This for example allows an item to specify
|
|||
|
|
// the location of the non-dominant hand. The hands should also be positioned towards the look direction if the character is aiming or the item
|
|||
|
|
// is being used.
|
|||
|
|
if (ikTarget != null || m_Aiming || m_ItemInUse || m_CharacterLocomotion.FirstPersonPerspective || m_UpperArmWeight > 0 || m_OnUpdateIKPosition != null) {
|
|||
|
|
targetWeight = m_HandWeight;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
m_HandPositionIKWeight[i] = Mathf.Clamp01(m_ImmediatePosition ? targetWeight :
|
|||
|
|
Mathf.MoveTowards(m_HandPositionIKWeight[i], targetWeight, m_HandAdjustmentSpeed * Time.deltaTime));
|
|||
|
|
|
|||
|
|
// Set the IK position after the weight has been set. This is done after the weight is set because the position should be set at any time
|
|||
|
|
// the weight is greater than zero (such as when the hands are transitioning from aiming to no aiming).
|
|||
|
|
var targetPosition = m_Animator.GetIKPosition(ikGoal);
|
|||
|
|
if (m_HandPositionIKWeight[i] > 0) {
|
|||
|
|
if (ikTarget != null) {
|
|||
|
|
targetPosition = m_IKTarget[(int)(i == 0 ? IKGoal.LeftHand : IKGoal.RightHand)].position;
|
|||
|
|
if (hintTarget != null) {
|
|||
|
|
m_Animator.SetIKHintPosition(hintGoal, hintTarget.position);
|
|||
|
|
}
|
|||
|
|
} else {
|
|||
|
|
// The RotateUpperArms method will set the dominant and nondominant hand positions if it is being used. Otherwise the offset is set of the nondominant hand.
|
|||
|
|
Vector3 handPosition;
|
|||
|
|
if (m_DominantUpperArmWeight > 0) {
|
|||
|
|
handPosition = (hand == m_DominantHand ? m_DominantHandPosition : m_NonDominantHandPosition);
|
|||
|
|
} else {
|
|||
|
|
handPosition = ((hand == m_DominantHand || m_DominantHand == null) ? hand.position : m_DominantHand.TransformPoint(m_HandOffset));
|
|||
|
|
}
|
|||
|
|
targetPosition = handPosition + m_Transform.TransformDirection(i == 0 ? m_LeftHandPositionSpring.Value : m_RightHandPositionSpring.Value) +
|
|||
|
|
m_Transform.TransformDirection(m_HandPositionOffset);
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
// Other objects have the chance of modifying the final position value.
|
|||
|
|
targetWeight = m_HandPositionIKWeight[i];
|
|||
|
|
if (m_OnUpdateIKPosition != null) {
|
|||
|
|
targetWeight = 1;
|
|||
|
|
targetPosition = m_OnUpdateIKPosition(i == 0 ? IKGoal.LeftHand : IKGoal.RightHand, targetPosition, m_Animator.GetIKRotation(ikGoal));
|
|||
|
|
}
|
|||
|
|
m_Animator.SetIKPosition(ikGoal, targetPosition);
|
|||
|
|
m_Animator.SetIKPositionWeight(ikGoal, targetWeight);
|
|||
|
|
m_Animator.SetIKHintPositionWeight(hintGoal, hintTarget != null ? m_HandPositionIKWeight[i] : 0);
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/// <summary>
|
|||
|
|
/// Immediately position the IK limbs.
|
|||
|
|
/// </summary>
|
|||
|
|
private void ImmediatePosition()
|
|||
|
|
{
|
|||
|
|
m_ImmediatePosition = true;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/// <summary>
|
|||
|
|
/// The animator has snapped into position.
|
|||
|
|
/// </summary>
|
|||
|
|
private void AnimatorSnapped()
|
|||
|
|
{
|
|||
|
|
if (!enabled) {
|
|||
|
|
return;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
Move(true);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/// <summary>
|
|||
|
|
/// The character has died. Disable the component.
|
|||
|
|
/// </summary>
|
|||
|
|
/// <param name="position">The position of the force.</param>
|
|||
|
|
/// <param name="force">The amount of force which killed the character.</param>
|
|||
|
|
/// <param name="attacker">The GameObject that killed the character.</param>
|
|||
|
|
private void OnDeath(Vector3 position, Vector3 force, GameObject attacker)
|
|||
|
|
{
|
|||
|
|
m_Enable = enabled;
|
|||
|
|
enabled = false;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/// <summary>
|
|||
|
|
/// The character has respawned. Enable the component.
|
|||
|
|
/// </summary>
|
|||
|
|
private void OnRespawn()
|
|||
|
|
{
|
|||
|
|
enabled = m_Enable;
|
|||
|
|
m_ImmediatePosition = true;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/// <summary>
|
|||
|
|
/// Callback when the StateManager will change the active state on the current object.
|
|||
|
|
/// </summary>
|
|||
|
|
public override void StateWillChange()
|
|||
|
|
{
|
|||
|
|
// Remember the interal spring values so they can be restored if a new spring is applied during the state change.
|
|||
|
|
m_PrevLeftHandPositionSpringValue = m_LeftHandPositionSpring.Value;
|
|||
|
|
m_PrevLeftHandPositionSpringVelocity = m_LeftHandPositionSpring.Velocity;
|
|||
|
|
m_PrevLeftHandRotationSpringValue = m_LeftHandRotationSpring.Value;
|
|||
|
|
m_PrevLeftHandRotationSpringVelocity = m_LeftHandRotationSpring.Velocity;
|
|||
|
|
m_PrevRightHandPositionSpringValue = m_RightHandPositionSpring.Value;
|
|||
|
|
m_PrevRightHandPositionSpringVelocity = m_RightHandPositionSpring.Velocity;
|
|||
|
|
m_PrevRightHandRotationSpringValue = m_RightHandRotationSpring.Value;
|
|||
|
|
m_PrevRightHandRotationSpringVelocity = m_RightHandRotationSpring.Velocity;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/// <summary>
|
|||
|
|
/// Callback when the StateManager has changed the active state on the current object.
|
|||
|
|
/// </summary>
|
|||
|
|
public override void StateChange()
|
|||
|
|
{
|
|||
|
|
m_LeftHandPositionSpring.Value = m_PrevLeftHandPositionSpringValue;
|
|||
|
|
m_LeftHandPositionSpring.Velocity = m_PrevLeftHandPositionSpringVelocity;
|
|||
|
|
m_LeftHandRotationSpring.Value = m_PrevLeftHandRotationSpringValue;
|
|||
|
|
m_LeftHandRotationSpring.Velocity = m_PrevLeftHandRotationSpringVelocity;
|
|||
|
|
m_RightHandPositionSpring.Value = m_PrevRightHandPositionSpringValue;
|
|||
|
|
m_RightHandPositionSpring.Velocity = m_PrevRightHandPositionSpringVelocity;
|
|||
|
|
m_RightHandRotationSpring.Value = m_PrevRightHandRotationSpringValue;
|
|||
|
|
m_RightHandRotationSpring.Velocity = m_PrevRightHandRotationSpringVelocity;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/// <summary>
|
|||
|
|
/// The GameObject has been destroyed.
|
|||
|
|
/// </summary>
|
|||
|
|
private void OnDestroy()
|
|||
|
|
{
|
|||
|
|
m_LeftHandPositionSpring.Destroy();
|
|||
|
|
m_LeftHandRotationSpring.Destroy();
|
|||
|
|
m_RightHandPositionSpring.Destroy();
|
|||
|
|
m_RightHandRotationSpring.Destroy();
|
|||
|
|
|
|||
|
|
EventHandler.UnregisterEvent<ILookSource>(m_GameObject, "OnCharacterAttachLookSource", OnAttachLookSource);
|
|||
|
|
EventHandler.UnregisterEvent<Item, int>(m_GameObject, "OnInventoryEquipItem", OnEquipItem);
|
|||
|
|
EventHandler.UnregisterEvent<Item, int>(m_GameObject, "OnInventoryUnequipItem", OnUnequipItem);
|
|||
|
|
EventHandler.UnregisterEvent<Item, int>(m_GameObject, "OnInventoryRemoveItem", OnUnequipItem);
|
|||
|
|
EventHandler.UnregisterEvent<bool>(m_GameObject, "OnAimAbilityAim", OnAim);
|
|||
|
|
EventHandler.UnregisterEvent<bool, Abilities.Items.Use>(m_GameObject, "OnUseAbilityStart", OnUseStart);
|
|||
|
|
EventHandler.UnregisterEvent<int, Vector3, Vector3, bool>(m_GameObject, "OnAddSecondaryForce", OnAddForce);
|
|||
|
|
EventHandler.UnregisterEvent(m_GameObject, "OnAnimatorWillSnap", ImmediatePosition);
|
|||
|
|
EventHandler.UnregisterEvent(m_GameObject, "OnAnimatorSnapped", AnimatorSnapped);
|
|||
|
|
EventHandler.UnregisterEvent<Vector3, Vector3, GameObject>(m_GameObject, "OnDeath", OnDeath);
|
|||
|
|
EventHandler.UnregisterEvent(m_GameObject, "OnRespawn", OnRespawn);
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
}
|