projectEli/Assets/NeoFPS/Core/MotionGraphs/EnvironmentElements/BasicWaterZone.cs
2022-11-06 20:28:33 -05:00

86 lines
3.1 KiB
C#

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