106 lines
3.1 KiB
C#
106 lines
3.1 KiB
C#
using System.Collections.Generic;
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using UnityEngine;
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namespace Coffee.UIExtensions
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{
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internal static class UIParticleUpdater
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{
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static readonly List<UIParticle> s_ActiveParticles = new List<UIParticle>();
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static readonly HashSet<int> s_UpdatedGroupIds = new HashSet<int>();
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private static int frameCount = 0;
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public static int uiParticleCount
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{
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get
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{
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return s_ActiveParticles.Count;
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}
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}
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public static void Register(UIParticle particle)
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{
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if (!particle) return;
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s_ActiveParticles.Add(particle);
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}
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public static void Unregister(UIParticle particle)
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{
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if (!particle) return;
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s_ActiveParticles.Remove(particle);
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}
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#if UNITY_EDITOR
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[UnityEditor.InitializeOnLoadMethod]
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#endif
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[RuntimeInitializeOnLoadMethod]
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private static void InitializeOnLoad()
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{
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Canvas.willRenderCanvases -= Refresh;
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Canvas.willRenderCanvases += Refresh;
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}
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private static void Refresh()
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{
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// Do not allow it to be called in the same frame.
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if (frameCount == Time.frameCount) return;
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frameCount = Time.frameCount;
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// Simulate -> Primary
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for (var i = 0; i < s_ActiveParticles.Count; i++)
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{
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var uip = s_ActiveParticles[i];
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if (!uip.isPrimary || s_UpdatedGroupIds.Contains(uip.groupId)) continue;
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s_UpdatedGroupIds.Add(uip.groupId);
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uip.UpdateTransformScale();
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uip.UpdateRenderers();
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}
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// Simulate -> Others
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for (var i = 0; i < s_ActiveParticles.Count; i++)
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{
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var uip = s_ActiveParticles[i];
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uip.UpdateTransformScale();
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if (!uip.useMeshSharing)
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{
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uip.UpdateRenderers();
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}
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else if (!s_UpdatedGroupIds.Contains(uip.groupId))
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{
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s_UpdatedGroupIds.Add(uip.groupId);
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uip.UpdateRenderers();
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}
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}
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s_UpdatedGroupIds.Clear();
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}
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public static void GetGroupedRenderers(int groupId, int index, List<UIParticleRenderer> results)
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{
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results.Clear();
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for (var i = 0; i < s_ActiveParticles.Count; i++)
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{
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var uip = s_ActiveParticles[i];
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if (uip.useMeshSharing && uip.groupId == groupId)
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{
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results.Add(uip.GetRenderer(index));
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}
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}
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}
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internal static UIParticle GetPrimary(int groupId)
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{
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UIParticle primary = null;
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for (var i = 0; i < s_ActiveParticles.Count; i++)
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{
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var uip = s_ActiveParticles[i];
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if (!uip.useMeshSharing || uip.groupId != groupId) continue;
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if (uip.isPrimary) return uip;
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if (!primary && uip.canSimulate) primary = uip;
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}
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return primary;
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}
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}
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}
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