496 lines
21 KiB
C#
496 lines
21 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.Parameters;
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using NeoFPS.CharacterMotion.MotionData;
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using NeoSaveGames.Serialization;
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using NeoCC;
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namespace NeoFPS.CharacterMotion.States
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{
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[MotionGraphElement("Ladders/Contact Ladder", "Ladder")]
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[HelpURL("https://docs.neofps.com/manual/motiongraphref-mgs-contactladderstate.html")]
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public class ContactLadderState : MotionGraphState
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{
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[SerializeField, Tooltip("The transform property on the graph that is used to attach to ladder transforms in the scene.")]
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private TransformParameter m_TransformParameter = null;
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[SerializeField, Tooltip("The maximum climb speed (based on input and aim)")]
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private FloatDataReference m_ClimbSpeed = new FloatDataReference(2f);
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[SerializeField, Tooltip("The top movement speed with ground under foot (top and bottom of the ladder)")]
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private FloatDataReference m_GroundSpeed = new FloatDataReference(5f);
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[SerializeField, Tooltip("The multiplier applied to the max movement speed 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 when moving in reverse")]
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private FloatDataReference m_ReverseMultiplier = new FloatDataReference(0.5f);
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[SerializeField, Tooltip("The acceleration while climbing the ladder or dismounting")]
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private FloatDataReference m_Acceleration = new FloatDataReference(50f);
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[SerializeField, Tooltip("Should the direction of the camera aim influence the vertical move direction? IgnoreAimer = No; AimerAbsolute = Only direction; AimerSmooth = Direction and speed; AimerHeading = Direction and speed based on yaw (uses strafe); AimerAllAxes = Direction and speed based on yaw and pitch (uses strafe)")]
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private MovementStyle m_UseAimerV = MovementStyle.AimerAbsolute;
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[SerializeField, Tooltip("For AimerAbsolute, the angle past the horizontal you need to aim to flip directions. For AimerSmooth or AimerAllAxes, the angle past the horizontal that reaches full speed.")]
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private float m_CenterZone = 15f;
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[SerializeField, Tooltip("Should the aimer influence the horizontal move direction? IgnoreAimer = No; AimerAbsolute = Looking away switches axes; AimerSmooth = Direction and speed; AimerHeading/AimerAllAxes = As AimerSmooth, but forward / back input counts also.")]
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private MovementStyle m_UseAimerH = MovementStyle.AimerSmooth;
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// NOTES:
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// - Could also grab the jump trigger property and use it to correctly jump away from the ladder
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// - Could make single sided by setting complete / null as soon as the character passes behind the ladder
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// - This would mean 1 frame hitch of being in ladder state (just maintain velocity?)
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// - Could inherit from standard movement to for a better version of the grounded move
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private const float k_TinyValue = 0.001f;
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private ILadder m_Ladder = null;
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private Vector3 m_OutVelocity = Vector3.zero;
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private Vector3 m_MotorAcceleration = Vector3.zero;
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private Vector3 m_RadiusOffset = Vector3.zero;
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private float m_Radius = 0f;
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private float m_QuarterCircleLength = 0f;
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private float m_SinDeadzone = 0f;
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private bool m_LookingUp = false;
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private bool m_WasUpLocked = false;
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public enum MovementStyle
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{
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IgnoreAimer, // W/S = up/down OR A/D = left/right
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AimerAbsolute, // Direction of aim changes direction of move
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AimerSmooth, // Direction of aim changes direction and speed of move
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AimerHeading, // Direction and speed based on yaw only (factors in both input axes)
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AimerAllAxes // Direction and speed based on yaw and pitch (factors in both input axes)
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}
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public override Vector3 moveVector
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{
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get { return m_OutVelocity * 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 true; }
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}
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public override bool ignoreExternalForces
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{
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get { return false; } // Simple ladder does not lock you in place
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}
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public override bool completed
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{
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get { return m_Ladder == null || m_TransformParameter.value == null; }
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}
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#if UNITY_EDITOR
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public override void OnValidate()
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{
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base.OnValidate();
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m_GroundSpeed.ClampValue(0.1f, 50f);
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m_StrafeMultiplier.ClampValue(0f, 2f);
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m_ReverseMultiplier.ClampValue(0f, 2f);
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m_Acceleration.ClampValue(0f, 1000f);
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if (m_UseAimerV == MovementStyle.AimerSmooth)
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m_CenterZone = Mathf.Clamp(m_CenterZone, 5f, 90f);
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else
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m_CenterZone = Mathf.Clamp(m_CenterZone, 0f, 60f);
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}
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#endif
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public override void OnEnter()
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{
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base.OnEnter();
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m_MotorAcceleration = Vector3.zero;
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// Get ladder component from transform in property
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if (m_TransformParameter != null && m_TransformParameter.value != null)
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m_Ladder = m_TransformParameter.value.GetComponent<ILadder>();
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// Get character radius etc
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m_Radius = characterController.radius + 0.05f;
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m_RadiusOffset = new Vector3(0f, m_Radius, 0f);
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m_QuarterCircleLength = 0.5f * Mathf.PI * m_Radius;
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// Get relative position, etc
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Quaternion correction = Quaternion.Inverse((m_Ladder as MonoBehaviour).transform.rotation);
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Vector3 relativePosition = correction * (controller.localTransform.position + m_RadiusOffset - m_Ladder.worldTop);
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//float aimPitchRad = (correction * controller.aimController.rotation).eulerAngles.x * Mathf.Deg2Rad;
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// Check if at top of ladder
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if (relativePosition.y > 0f)
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{
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// Get the angle from forwards (don't just use trig as the character is not guaranteed to be on the surface)
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float angle = Vector3.Angle(Vector3.forward, new Vector3(0f, relativePosition.y, relativePosition.z));
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// Wrap the position
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relativePosition.y = m_Radius * angle * Mathf.Deg2Rad;
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// Set to mount and block dismount until complete
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//aimPitchRad -= angle * Mathf.Deg2Rad;
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// Check if the character is looking up the ladder
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Vector3 wrappedUp = Quaternion.AngleAxis(angle, m_Ladder.across) * m_Ladder.up;
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m_LookingUp = Vector3.Dot(controller.aimController.forward, wrappedUp) > 0f;
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}
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else
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{
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// Check if the character is looking up the ladder
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m_LookingUp = Vector3.Dot(controller.aimController.forward, m_Ladder.up) > 0f;
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}
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// Calculate the deadzone for aiming
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m_SinDeadzone = Mathf.Sin(m_CenterZone * Mathf.Deg2Rad);
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// Make sure the character doesn't rotate on the ladder
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var variableUp = characterController as INeoCharacterVariableGravity;
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if (variableUp != null)
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{
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m_WasUpLocked = variableUp.lockUpVector;
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variableUp.lockUpVector = true;
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}
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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_OutVelocity = Vector3.zero;
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m_Ladder = null;
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// Allow the character to change up vector again
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var variableUp = characterController as INeoCharacterVariableGravity;
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if (variableUp != null)
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variableUp.lockUpVector = m_WasUpLocked;
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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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if (completed)
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return;
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float maxClimbSpeed = m_ClimbSpeed.value;
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// Get the ladder rotations
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Quaternion rotation = m_Ladder.localTransform.rotation;
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Quaternion correction = Quaternion.Inverse(rotation);
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// Get the character details relative to the ladder
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Vector3 relativePosition = correction * (controller.localTransform.position + m_RadiusOffset - m_Ladder.worldTop);
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Vector3 aimForward = correction * controller.aimController.forward;
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Vector3 aimHeading = correction * controller.aimController.heading;
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// Check if at the top of the ladder and wrap around
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if (relativePosition.y > 0f)
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{
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// Get the angle from forwards (don't just use trig as the character is not guaranteed to be on the surface)
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float angle = Vector3.Angle(Vector3.forward, new Vector3(0f, relativePosition.y, relativePosition.z));
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if (angle > 90f)
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angle = 90f;
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// Wrap vectors around
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Quaternion wrapRotation = Quaternion.AngleAxis(angle, Vector3.right);
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aimForward = wrapRotation * aimForward;
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relativePosition.y = m_Radius * angle * Mathf.Deg2Rad;
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}
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// Get dot products of character aim against axes
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Vector3 aimDots = new Vector3(
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Vector3.Dot(aimHeading, Vector3.right),
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Vector3.Dot(aimForward, Vector3.up),
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Vector3.Dot(aimHeading, Vector3.forward)
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);
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// Get vertical movement
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Vector3 targetVelocity = Vector3.zero;
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switch (m_UseAimerV)
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{
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case MovementStyle.IgnoreAimer:
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{
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targetVelocity.y += controller.inputMoveDirection.y * maxClimbSpeed;
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break;
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}
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case MovementStyle.AimerAbsolute:
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{
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// Check if looking up (with deadzone)
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if (m_CenterZone <= Mathf.Epsilon)
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{
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// No deadzone
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m_LookingUp = aimDots.y >= 0f;
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}
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else
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{
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// Only flip if outside deadzone
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if (m_LookingUp && aimDots.y < -m_SinDeadzone)
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m_LookingUp = false;
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if (!m_LookingUp && aimDots.y > m_SinDeadzone)
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m_LookingUp = true;
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}
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// Get the climb speed
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float speed = controller.inputMoveDirection.y * maxClimbSpeed;
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if (!m_LookingUp)
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speed *= -1f;
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targetVelocity.y += speed;
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break;
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}
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case MovementStyle.AimerSmooth:
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{
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// Get the aim speed based on center zone
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float aimAngle = Mathf.Asin(aimDots.y) * Mathf.Rad2Deg;
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float aimSpeed = Mathf.Clamp(aimAngle / m_CenterZone, -1f, 1f);
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// Get the climb speed
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float speed = controller.inputMoveDirection.y * maxClimbSpeed * aimSpeed;
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targetVelocity.y += speed;
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break;
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}
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case MovementStyle.AimerHeading:
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{
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// Get the climb speed (W/S)
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float speed = controller.inputMoveDirection.y * maxClimbSpeed * Mathf.Abs(aimDots.z);
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// Get the climb speed (A/D)
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speed += controller.inputMoveDirection.x * maxClimbSpeed * aimDots.x;
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targetVelocity.y += speed;
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break;
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}
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case MovementStyle.AimerAllAxes:
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{
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// Get the aim speed based on center zone
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float aimAngle = Mathf.Asin(aimDots.y) * Mathf.Rad2Deg;
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float aimSpeed = Mathf.Clamp(aimAngle / m_CenterZone, -1f, 1f);
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// Get the climb speed (W/S)
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float speed = controller.inputMoveDirection.y * maxClimbSpeed * Mathf.Abs(aimDots.z) * aimSpeed;
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// Get the climb speed (A/D)
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speed += controller.inputMoveDirection.x * maxClimbSpeed * aimDots.x * aimSpeed;
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targetVelocity.y += speed;
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break;
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}
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}
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// Check if at the base of the ladder and moving down, and "walk" as normal if so.
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if (relativePosition.y < 0f && targetVelocity.y < 0f && IsCharacterGrounded())
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{
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SimpleBaseWalk();
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return;
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}
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// Get lateral movement
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switch (m_UseAimerH)
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{
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case MovementStyle.IgnoreAimer:
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{
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targetVelocity.x -= controller.inputMoveDirection.x * maxClimbSpeed * m_StrafeMultiplier.value;
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break;
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}
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case MovementStyle.AimerAbsolute:
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{
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// Get the climb speed
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float speed = controller.inputMoveDirection.x * maxClimbSpeed;
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if (aimDots.z < 0f)
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speed *= -1f;
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targetVelocity.x += speed;
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break;
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}
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case MovementStyle.AimerSmooth:
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{
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// Get the climb speed
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float speed = controller.inputMoveDirection.x * maxClimbSpeed * aimDots.z;
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targetVelocity.x += speed;
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break;
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}
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case MovementStyle.AimerHeading:
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{
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// Get the climb speed (W/S)
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float speed = controller.inputMoveDirection.y * maxClimbSpeed * aimDots.x;
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// Get the climb speed (A/D)
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speed += controller.inputMoveDirection.x * maxClimbSpeed * aimDots.z;
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targetVelocity.x += speed;
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break;
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}
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case MovementStyle.AimerAllAxes:
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{
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// Get the climb speed (W/S)
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float speed = controller.inputMoveDirection.y * maxClimbSpeed * aimDots.x;
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|
|||
|
|
// Get the climb speed (A/D)
|
|||
|
|
speed += controller.inputMoveDirection.x * maxClimbSpeed * aimDots.z;
|
|||
|
|
|
|||
|
|
// Scale based on aim
|
|||
|
|
speed *= 1f - Mathf.Abs(aimDots.y) * 0.75f;
|
|||
|
|
|
|||
|
|
targetVelocity.x += speed;
|
|||
|
|
|
|||
|
|
break;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
// Get the target world position
|
|||
|
|
relativePosition += targetVelocity * Time.deltaTime;
|
|||
|
|
|
|||
|
|
// Check if off top and detach if so
|
|||
|
|
if (relativePosition.y > m_QuarterCircleLength && targetVelocity.y > 0.25f * maxClimbSpeed)
|
|||
|
|
{
|
|||
|
|
m_TransformParameter.value = null;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
if (relativePosition.y > 0f)
|
|||
|
|
{
|
|||
|
|
// Get overrun from top of curve
|
|||
|
|
float remainder = relativePosition.y - m_QuarterCircleLength;
|
|||
|
|
|
|||
|
|
// Get angle
|
|||
|
|
float angle = relativePosition.y / (Mathf.Deg2Rad * m_Radius);
|
|||
|
|
angle = Mathf.Clamp(angle, 0f, 90f);
|
|||
|
|
angle *= Mathf.Deg2Rad;
|
|||
|
|
|
|||
|
|
// relativePosition = Quaternion.AngleAxis(angle, Vector3.left) * relativePosition;
|
|||
|
|
relativePosition.y = Mathf.Sin(angle) * m_Radius;
|
|||
|
|
// Add overrun back on
|
|||
|
|
if (remainder > 0f)
|
|||
|
|
relativePosition.z = -remainder;
|
|||
|
|
else
|
|||
|
|
relativePosition.z = Mathf.Cos(angle) * m_Radius;
|
|||
|
|
}
|
|||
|
|
else
|
|||
|
|
{
|
|||
|
|
relativePosition.z = m_Radius;
|
|||
|
|
}
|
|||
|
|
Vector3 targetWorldPosition = m_Ladder.worldTop + (rotation * relativePosition);
|
|||
|
|
|
|||
|
|
Vector3 targetWorldVelocity = Vector3.ClampMagnitude((targetWorldPosition - (controller.localTransform.position + m_RadiusOffset)) / Time.deltaTime, maxClimbSpeed);
|
|||
|
|
|
|||
|
|
float accel = m_Acceleration.value;
|
|||
|
|
if (accel < k_TinyValue)
|
|||
|
|
m_OutVelocity = targetWorldVelocity;
|
|||
|
|
else
|
|||
|
|
m_OutVelocity = Vector3.SmoothDamp(characterController.velocity, targetWorldVelocity, ref m_MotorAcceleration, 0.01f, accel);
|
|||
|
|
|
|||
|
|
float mag = m_OutVelocity.magnitude;
|
|||
|
|
if (mag > maxClimbSpeed)
|
|||
|
|
{
|
|||
|
|
float ratio = maxClimbSpeed / mag;
|
|||
|
|
m_OutVelocity *= ratio;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
private void SimpleBaseWalk()
|
|||
|
|
{
|
|||
|
|
//m_TransformParameter.value = null;
|
|||
|
|
//return;
|
|||
|
|
|
|||
|
|
// Update the current velocity
|
|||
|
|
Vector3 currentVelocity = characterController.velocity;
|
|||
|
|
currentVelocity = Vector3.ProjectOnPlane(currentVelocity, characterController.up);
|
|||
|
|
|
|||
|
|
// Calculate speed based on move direction
|
|||
|
|
float directionMultiplier = 1f;
|
|||
|
|
if (controller.inputMoveDirection.y < 0f)
|
|||
|
|
directionMultiplier *= Mathf.Lerp(1f, m_ReverseMultiplier.value, -controller.inputMoveDirection.y);
|
|||
|
|
directionMultiplier *= Mathf.Lerp(1f, m_StrafeMultiplier.value, Mathf.Abs(controller.inputMoveDirection.x));
|
|||
|
|
|
|||
|
|
// Get target velocity
|
|||
|
|
float groundSpeed = m_GroundSpeed.value;
|
|||
|
|
Vector3 targetVelocity = Vector3.zero;
|
|||
|
|
targetVelocity += controller.localTransform.forward * controller.inputMoveDirection.y * groundSpeed * directionMultiplier;
|
|||
|
|
targetVelocity += controller.localTransform.right * controller.inputMoveDirection.x * groundSpeed * directionMultiplier;
|
|||
|
|
|
|||
|
|
// Accelerate if required
|
|||
|
|
if (targetVelocity != currentVelocity)
|
|||
|
|
{
|
|||
|
|
// Get maximum acceleration
|
|||
|
|
float maxAccel = m_Acceleration.value * directionMultiplier;
|
|||
|
|
// Accelerate the velocity
|
|||
|
|
m_OutVelocity = Vector3.SmoothDamp(currentVelocity, targetVelocity, ref m_MotorAcceleration, 0.01f, maxAccel);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
// Groundiness
|
|||
|
|
if (characterController.velocity.y < m_OutVelocity.y)// 0f)
|
|||
|
|
m_OutVelocity.y = characterController.velocity.y;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
private bool IsCharacterGrounded()
|
|||
|
|
{
|
|||
|
|
return characterController.isGrounded && Vector3.Angle(characterController.up, characterController.groundNormal) < characterController.slopeLimit;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
public override void CheckReferences(IMotionGraphMap map)
|
|||
|
|
{
|
|||
|
|
base.CheckReferences(map);
|
|||
|
|
m_TransformParameter = map.Swap(m_TransformParameter);
|
|||
|
|
m_ClimbSpeed.CheckReference(map);
|
|||
|
|
m_GroundSpeed.CheckReference(map);
|
|||
|
|
m_StrafeMultiplier.CheckReference(map);
|
|||
|
|
m_ReverseMultiplier.CheckReference(map);
|
|||
|
|
m_Acceleration.CheckReference(map);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
#region SAVE / LOAD
|
|||
|
|
|
|||
|
|
private static readonly NeoSerializationKey k_LookingUpKey = new NeoSerializationKey("lookingUp");
|
|||
|
|
private static readonly NeoSerializationKey k_WasUpLockedKey = new NeoSerializationKey("wasUpLocked");
|
|||
|
|
private static readonly NeoSerializationKey k_AccelerationKey = new NeoSerializationKey("acceleration");
|
|||
|
|
private static readonly NeoSerializationKey k_VelocityKey = new NeoSerializationKey("velocity");
|
|||
|
|
|
|||
|
|
public override void WriteProperties(INeoSerializer writer)
|
|||
|
|
{
|
|||
|
|
base.WriteProperties(writer);
|
|||
|
|
|
|||
|
|
writer.WriteValue(k_LookingUpKey, m_LookingUp);
|
|||
|
|
writer.WriteValue(k_WasUpLockedKey, m_WasUpLocked);
|
|||
|
|
writer.WriteValue(k_AccelerationKey, m_MotorAcceleration);
|
|||
|
|
writer.WriteValue(k_VelocityKey, m_OutVelocity);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
public override void ReadProperties(INeoDeserializer reader)
|
|||
|
|
{
|
|||
|
|
Debug.Log("base.ReadProperties");
|
|||
|
|
|
|||
|
|
base.ReadProperties(reader);
|
|||
|
|
|
|||
|
|
Debug.Log("ReadProperties internal");
|
|||
|
|
|
|||
|
|
reader.TryReadValue(k_LookingUpKey, out m_LookingUp, m_LookingUp);
|
|||
|
|
reader.TryReadValue(k_WasUpLockedKey, out m_WasUpLocked, m_WasUpLocked);
|
|||
|
|
reader.TryReadValue(k_AccelerationKey, out m_MotorAcceleration, m_MotorAcceleration);
|
|||
|
|
reader.TryReadValue(k_VelocityKey, out m_OutVelocity, m_OutVelocity);
|
|||
|
|
|
|||
|
|
Debug.Log("ReadProperties done");
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
#endregion
|
|||
|
|
}
|
|||
|
|
}
|