122 lines
4.0 KiB
C#
122 lines
4.0 KiB
C#
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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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#if UNITY_EDITOR
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using UnityEditor;
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#endif
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namespace UnityEngine.Rendering.Universal
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{
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#if UNITY_EDITOR
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[InitializeOnLoadAttribute]
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#endif
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internal class ShadowCasterGroup2DManager
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{
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static List<ShadowCasterGroup2D> s_ShadowCasterGroups = null;
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public static List<ShadowCasterGroup2D> shadowCasterGroups { get { return s_ShadowCasterGroups; } }
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#if UNITY_EDITOR
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static ShadowCasterGroup2DManager()
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{
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EditorApplication.playModeStateChanged += OnPlayModeStateChanged;
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}
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private static void OnPlayModeStateChanged(PlayModeStateChange state)
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{
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if (s_ShadowCasterGroups != null && (state == PlayModeStateChange.ExitingEditMode || state == PlayModeStateChange.ExitingPlayMode))
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s_ShadowCasterGroups.Clear();
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}
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#endif
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public static void CacheValues()
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{
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if (shadowCasterGroups != null)
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{
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for (int i = 0; i < shadowCasterGroups.Count; i++)
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{
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if (shadowCasterGroups[i] != null)
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shadowCasterGroups[i].CacheValues();
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}
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}
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}
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public static void AddShadowCasterGroupToList(ShadowCasterGroup2D shadowCaster, List<ShadowCasterGroup2D> list)
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{
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int positionToInsert = 0;
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for (positionToInsert = 0; positionToInsert < list.Count; positionToInsert++)
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{
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if (shadowCaster.GetShadowGroup() == list[positionToInsert].GetShadowGroup())
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break;
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}
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list.Insert(positionToInsert, shadowCaster);
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}
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public static void RemoveShadowCasterGroupFromList(ShadowCasterGroup2D shadowCaster, List<ShadowCasterGroup2D> list)
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{
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list.Remove(shadowCaster);
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}
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static CompositeShadowCaster2D FindTopMostCompositeShadowCaster(ShadowCaster2D shadowCaster)
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{
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CompositeShadowCaster2D retGroup = null;
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Transform transformToCheck = shadowCaster.transform.parent;
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while (transformToCheck != null)
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{
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CompositeShadowCaster2D currentGroup;
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if (transformToCheck.TryGetComponent<CompositeShadowCaster2D>(out currentGroup))
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retGroup = currentGroup;
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transformToCheck = transformToCheck.parent;
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}
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return retGroup;
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}
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public static bool AddToShadowCasterGroup(ShadowCaster2D shadowCaster, ref ShadowCasterGroup2D shadowCasterGroup)
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{
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ShadowCasterGroup2D newShadowCasterGroup = FindTopMostCompositeShadowCaster(shadowCaster) as ShadowCasterGroup2D;
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if (newShadowCasterGroup == null)
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newShadowCasterGroup = shadowCaster.GetComponent<ShadowCaster2D>();
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if (newShadowCasterGroup != null && shadowCasterGroup != newShadowCasterGroup)
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{
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newShadowCasterGroup.RegisterShadowCaster2D(shadowCaster);
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shadowCasterGroup = newShadowCasterGroup;
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return true;
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}
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return false;
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}
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public static void RemoveFromShadowCasterGroup(ShadowCaster2D shadowCaster, ShadowCasterGroup2D shadowCasterGroup)
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{
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if (shadowCasterGroup != null)
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shadowCasterGroup.UnregisterShadowCaster2D(shadowCaster);
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}
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public static void AddGroup(ShadowCasterGroup2D group)
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{
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if (group == null)
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return;
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if (s_ShadowCasterGroups == null)
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s_ShadowCasterGroups = new List<ShadowCasterGroup2D>();
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AddShadowCasterGroupToList(group, s_ShadowCasterGroups);
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}
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public static void RemoveGroup(ShadowCasterGroup2D group)
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{
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if (group != null && s_ShadowCasterGroups != null)
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RemoveShadowCasterGroupFromList(group, s_ShadowCasterGroups);
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}
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}
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}
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