256 lines
11 KiB
C#
256 lines
11 KiB
C#
using UnityEngine;
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using NeonTea.Quakeball.Networking.Packets;
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using NeonTea.Quakeball.Util;
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using NeonTea.Quakeball.Networking;
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using NeonTea.Quakeball.Networking.Instances;
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namespace NeonTea.Quakeball.Players {
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/// <summary>The central glue class for players (both local and remote).</summary>
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/// <remarks>Other classes will handle netcode/inputs, and then speak to this class in order to make the little people run around.</remarks>
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[RequireComponent(typeof(CharacterController))]
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public class Player : MonoBehaviour {
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/// <summary>The duration after running off a cliff, during which the player should still be considered grounded.</summary>
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public float CoyoteTime;
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public float PingBias;
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/// <summary>How often should the player's movement be updated? Used by Local and Remote -Player classes.</summary>
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public float UpdateFrequency = 1f;
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public MoveStyle[] MoveStyles;
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public Transform Head;
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public Transform Body;
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public Transform Gun;
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public Animator GunBobber;
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[Header("Shooting")]
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[Tooltip("For raycasting the shoot target.")]
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public Transform CameraRoot;
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public Transform BulletSourcePoint;
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public LayerMask BulletHitLayer;
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[Header("Visuals")]
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public DesyncLerper[] Lerpables;
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public float Lean;
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[Header("Player rotation status")]
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/// <summary>The pitch of the player's head.</summary>
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public float Pitch;
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/// <summary>The total yaw of the player. Head yaw is Yaw - BodyYaw.</summary>
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public float Yaw;
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/// <summary>The yaw of the player body. Calculated from MoveDirection.</summary>
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public float BodyYaw;
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[Header("Player movement status")]
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/// <summary>The direction the player is going.</summary>
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public Vector3 MoveDirection;
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/// <summary>The amount of movement the player wants to happen.</summary>
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/// <remarks>Without analog controls, always 0 or 1.</remarks>
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public float InputSpeed;
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/// <summary>The way the player is moving.</summary>
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public byte CurrentMoveStyle = 0;
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public MoveStyle MoveStyle => MoveStyles[CurrentMoveStyle];
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[Header("Runtime computed values")]
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/// <summary>The speed at which the player is currently moving across the ground.</summary>
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public Vector3 GroundVelocity;
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/// <summary>The speed at which the player is rising or falling.</summary>
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public Vector3 GravitationalVelocity;
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/// <summary>The timestamp of when the player was last on the ground.</summary>
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public float GroundedTime;
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/// <summary> The possible networked Id of this Player instance </summary>
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public ulong NetId;
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public float LatestGroundedY;
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[Header("Misc. technical knobs")]
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public float GroundCastLength = 0.2f;
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public LayerMask GroundLayer;
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[Header("Debug settings")]
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public bool ShowGroundCast;
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public bool ShowMoveVector;
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private CharacterController CharacterController;
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private Vector3 FeetPosition;
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/// <summary>Creates a PlayerUpdatePckt representing this Player's current status, for sending to other peers.</summary>
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public PlayerUpdatePckt CreateUpdatePacket(ulong id = 0) {
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return new PlayerUpdatePckt(MoveDirection, CurrentMoveStyle, Pitch, Yaw, id);
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}
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/// <summary>Updates this Player with the given packet.</summary>
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public void ProcessUpdatePacket(PlayerUpdatePckt packet) {
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Pitch = packet.Pitch;
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Yaw = packet.Yaw;
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MoveDirection = packet.MoveDirection;
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CurrentMoveStyle = packet.MoveStyle;
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packet = null;
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}
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/// <summary>Creates a PlayerSyncPacket representing this Player's position and velocity, for sending to the server.</summary>
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public PlayerSyncPacket CreateSyncPacket(ulong id = 0, bool unsynced = false) {
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return new PlayerSyncPacket(id, unsynced, transform.position, GroundVelocity);
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}
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/// <summary>Applies the sync packet, checking it for cheatiness if shouldApply is false.</summary>
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public bool ProcessSyncPacket(PlayerSyncPacket syncPckt, bool shouldApplyWithoutInspection = true) {
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bool ShouldApply = shouldApplyWithoutInspection;
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if (!shouldApplyWithoutInspection) {
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// TODO: Gaze into the crystal ball to determine the nefariousness level of the packet and update ShouldApply accordingly.
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ShouldApply = true;
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}
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if (ShouldApply) {
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Vector3 Delta = transform.position - syncPckt.Location;
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if (Delta.magnitude < 1) {
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// Player is close enough to the sync packet, lerp them over.
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foreach (DesyncLerper Lerper in Lerpables) {
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Lerper.Offset(Delta);
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}
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}
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transform.position = syncPckt.Location;
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GroundVelocity = syncPckt.GroundVelocity;
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}
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return ShouldApply;
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}
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/// <summary>The normal of the ground below the player. If there is no ground, it's <c>Vector3.up</c> by default.</summary>
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public Vector3 GroundCast() {
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RaycastHit Hit;
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if (ShowGroundCast) {
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Debug.DrawLine(FeetPosition, FeetPosition - Vector3.up, Color.red, 1f);
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}
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if (Physics.Raycast(FeetPosition, -Vector3.up, out Hit, GroundCastLength, GroundLayer)) {
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return Hit.normal;
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} else {
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return Vector3.up;
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}
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}
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public bool Jump() {
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bool IsCoyoteTime = Time.time - GroundedTime <= CoyoteTime + PingBias;
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if (IsCoyoteTime || IsGrounded()) {
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GravitationalVelocity = Vector3.up * MoveStyle.JumpVelocity;
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Vector3 Pos = transform.position;
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Pos.y = LatestGroundedY;
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transform.position = Pos;
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return true;
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} else {
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return false;
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}
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}
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public void Shoot() {
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Vector3 From = CameraRoot.position;
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Vector3 Direction = CameraRoot.forward;
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RaycastHit Hit;
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if (Physics.Raycast(From, Direction, out Hit)) {
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Vector3 To = Hit.point;
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Vector3 GunPoint = BulletSourcePoint.position;
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Vector3 Delta = To - GunPoint;
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if (Physics.Raycast(GunPoint, Delta, out Hit, Delta.magnitude, BulletHitLayer)) {
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Player Player = Hit.rigidbody.GetComponent<Player>();
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if (Player != null) {
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Debug.DrawLine(GunPoint, To, Color.red, 5f);
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if (Net.Singleton.Instance is Server) {
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((Server)Net.Singleton.Instance).SendHit(Player.NetId);
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Player.Hit();
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}
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}
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} else {
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Debug.DrawLine(GunPoint, To, Color.yellow, 5f);
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}
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}
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}
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public void Hit() {
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Debug.Log("I was hit! Aaagh!");
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}
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public bool IsGrounded() {
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return CharacterController.isGrounded && Vector3.Dot(GravitationalVelocity, Vector3.down) >= 0;
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}
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private void Awake() {
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CharacterController = GetComponent<CharacterController>();
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FeetPosition = transform.position + CharacterController.center - Vector3.up * (CharacterController.height / 2 + CharacterController.skinWidth / 2);
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if (GameObject.FindObjectOfType<Util.PhysicsSyncer>() == null) {
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Debug.LogWarning("Player.Awake: There is no PhysicsSyncer in this scene! Some code will not work as expected.");
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}
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}
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private void Update() {
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if (MoveDirection.magnitude > 0) {
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BodyYaw = Vector3.SignedAngle(Vector3.forward, MoveDirection, Vector3.up);
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}
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Body.localRotation = Quaternion.Lerp(Body.localRotation, Quaternion.Euler(0, BodyYaw, 0), 20f * Time.deltaTime);
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Head.localRotation = Quaternion.Lerp(Head.localRotation, Quaternion.Euler(Pitch, Yaw, 0), 15f * Time.deltaTime);
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float TargetLean = -Vector3.Dot(GroundVelocity / MoveStyle.TargetVelocity, CameraRoot.right) * MoveStyle.LeanDegrees;
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Lean = Mathf.Lerp(Lean, TargetLean, 30f * Time.deltaTime);
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CameraRoot.localEulerAngles = new Vector3(Pitch, Yaw, Lean);
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UpdateMovement();
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}
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private void UpdateMovement() {
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bool Grounded = IsGrounded();
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bool FallingDown = Vector3.Dot(Vector3.down, GravitationalVelocity) > 0;
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if (Grounded && FallingDown) {
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GravitationalVelocity = Vector3.zero;
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} else if (!Grounded) {
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GravitationalVelocity += Physics.gravity * Time.deltaTime;
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}
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float FrictionVelocityFactor = Mathf.Max(GroundVelocity.magnitude, MoveStyle.StopVelocity);
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float Deccel = FrictionVelocityFactor * Time.deltaTime;
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if (Grounded) {
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Deccel *= MoveStyle.Friction;
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} else {
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Deccel *= MoveStyle.AirFriction;
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}
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float FrictionedVelocity = Mathf.Max(0, GroundVelocity.magnitude - Deccel);
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GroundVelocity = GroundVelocity.normalized * FrictionedVelocity;
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Vector3 GroundNormal = GroundCast();
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Vector3 FixedHeading = Vector3.ProjectOnPlane(MoveDirection, GroundNormal).normalized;
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float CurrentSpeed = Vector3.Dot(GroundVelocity, FixedHeading);
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float Acceleration = MoveStyle.TargetVelocity * Time.deltaTime;
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if (Grounded) {
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Acceleration *= MoveStyle.Acceleration;
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} else {
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Acceleration *= MoveStyle.AirAcceleration;
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}
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Acceleration = Mathf.Min(Acceleration, MoveStyle.TargetVelocity - CurrentSpeed);
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GroundVelocity += FixedHeading * Acceleration;
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Vector3 FinalMoveVector = GroundVelocity + GravitationalVelocity;
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CharacterController.Move(FinalMoveVector * Time.deltaTime);
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if (CharacterController.isGrounded) {
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GroundedTime = Time.time;
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LatestGroundedY = transform.position.y;
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}
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if (GravitationalVelocity.y > 0.1 && Mathf.Abs(CharacterController.velocity.y) < 0.1) {
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// Hit a roof while jumping
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GravitationalVelocity.y = 0;
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}
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if (ShowMoveVector) {
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Debug.DrawLine(
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transform.position + CharacterController.center,
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transform.position + CharacterController.center + FinalMoveVector,
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Color.green, 1.0f
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);
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}
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float TargetBobbiness = Grounded ? GroundVelocity.magnitude / MoveStyle.TargetVelocity : 0;
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GunBobber.SetLayerWeight(1, Mathf.Lerp(GunBobber.GetLayerWeight(1), TargetBobbiness, 10f * Time.deltaTime));
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}
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}
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}
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