101 lines
2.9 KiB
C#
101 lines
2.9 KiB
C#
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using System;
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using System.Collections;
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using System.Collections.Generic;
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using UnityEngine;
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namespace HighlightPlus {
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[RequireComponent (typeof(HighlightEffect))]
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public class HighlightManager : MonoBehaviour {
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public LayerMask layerMask = -1;
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public Camera raycastCamera;
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public RayCastSource raycastSource = RayCastSource.MousePosition;
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[Tooltip("Max Distance for target. 0 = infinity")]
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public float maxDistance;
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HighlightEffect baseEffect, currentEffect;
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Transform currentObject;
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void OnEnable () {
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currentObject = null;
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currentEffect = null;
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if (baseEffect == null) {
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baseEffect = GetComponent<HighlightEffect> ();
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if (baseEffect == null) {
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baseEffect = gameObject.AddComponent<HighlightEffect> ();
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}
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}
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raycastCamera = GetComponent<Camera> ();
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if (raycastCamera == null) {
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raycastCamera = GetCamera ();
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if (raycastCamera == null) {
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Debug.LogError ("Highlight Manager: no camera found!");
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}
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}
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}
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void OnDisable () {
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SwitchesCollider (null);
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}
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void Update () {
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if (raycastCamera == null)
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return;
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Ray ray;
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if (raycastSource == RayCastSource.MousePosition) {
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ray = raycastCamera.ScreenPointToRay (Input.mousePosition);
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} else {
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ray = new Ray (raycastCamera.transform.position, raycastCamera.transform.forward);
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}
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RaycastHit hitInfo;
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if (Physics.Raycast(ray, out hitInfo, maxDistance > 0 ? maxDistance : raycastCamera.farClipPlane, layerMask)) {
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// Check if the object has a Highlight Effect
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if (hitInfo.collider.transform != currentObject) {
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SwitchesCollider (hitInfo.collider.transform);
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}
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return;
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}
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// no hit
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SwitchesCollider (null);
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}
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void SwitchesCollider (Transform newObject) {
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if (currentEffect != null) {
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currentEffect.SetHighlighted (false);
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currentEffect = null;
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}
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currentObject = newObject;
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if (newObject == null) return;
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HighlightTrigger ht = newObject.GetComponent<HighlightTrigger>();
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if (ht != null && ht.enabled)
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return;
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HighlightEffect otherEffect = newObject.GetComponent<HighlightEffect> ();
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if (otherEffect == null) {
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// Check if there's a parent highlight effect that includes this object
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HighlightEffect parentEffect = newObject.GetComponentInParent<HighlightEffect>();
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if (parentEffect != null && parentEffect.Includes(newObject)) {
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currentEffect = parentEffect;
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currentEffect.SetHighlighted(true);
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return;
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}
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}
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currentEffect = otherEffect != null ? otherEffect : baseEffect;
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currentEffect.SetTarget (currentObject);
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currentEffect.SetHighlighted (true);
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}
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public static Camera GetCamera() {
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Camera raycastCamera = Camera.main;
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if (raycastCamera == null) {
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raycastCamera = FindObjectOfType<Camera> ();
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}
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return raycastCamera;
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}
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}
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}
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