86 lines
3.1 KiB
C#
86 lines
3.1 KiB
C#
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using NeoFPS.CharacterMotion;
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using System.Collections.Generic;
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using UnityEngine;
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namespace NeoFPS
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{
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[RequireComponent(typeof(BoxCollider))]
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[HelpURL("https://docs.neofps.com/manual/motiongraphref-mb-basicwaterzone.html")]
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public class BasicWaterZone : MonoBehaviour, IWaterZone
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{
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[SerializeField, Tooltip("The key to the transform parameter on a character's motion graph to assign this waterzone to.")]
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private string m_ParameterKey = "waterZone";
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[SerializeField, Tooltip("The flow in meters per second of this water zone (local axes)")]
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private Vector3 m_Flow = Vector3.zero;
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private Transform m_Transform = null;
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private BoxCollider m_Collider = null;
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private List<Collider> m_Swimmers = new List<Collider>();
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private int m_ParameterHash = -1;
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void Awake()
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{
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m_Transform = transform;
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m_ParameterHash = Animator.StringToHash(m_ParameterKey);
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m_Collider = GetComponent<BoxCollider>();
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m_Collider.isTrigger = true;
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}
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public Vector3 FlowAtPosition(Vector3 position)
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{
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return m_Transform.rotation * m_Flow;
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}
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public WaterSurfaceInfo SurfaceInfoAtPosition(Vector3 position)
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{
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return new WaterSurfaceInfo(Vector3.up, m_Transform.position.y + m_Collider.center.y + m_Collider.size.y * 0.5f);
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}
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private void OnTriggerEnter(Collider other)
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{
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if (m_ParameterHash == -1)
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return;
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// Version 2 - Add bouyant objects and a central tracker for objects moving between zones
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// Get motion controller
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if (other.gameObject.layer == PhysicsFilter.LayerIndex.CharacterControllers)
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{
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var controller = other.GetComponent<MotionController>();
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if (controller != null)
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{
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// Get water zone transform parameter for controller's graph
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var prop = controller.motionGraph.GetTransformProperty(m_ParameterHash);
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if (prop != null)
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{
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// Track collider
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m_Swimmers.Add(other);
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// Assign transform
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prop.value = m_Transform;
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}
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}
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}
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}
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private void OnTriggerExit(Collider other)
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{
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// Get motion controller
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if (other.gameObject.layer == PhysicsFilter.LayerIndex.CharacterControllers)
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{
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int index = m_Swimmers.IndexOf(other);
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if (index != -1)
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{
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// Remove reference
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m_Swimmers.RemoveAt(index);
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// Remove this from motion controller water zone parameter
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var controller = other.GetComponent<MotionController>();
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var prop = controller.motionGraph.GetTransformProperty(m_ParameterHash);
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if (prop.value == m_Transform)
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prop.value = null;
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}
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}
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}
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}
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}
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