68 lines
2.9 KiB
C#
68 lines
2.9 KiB
C#
#if PRIME_TWEEN_INSTALLED && UNITY_UGUI_INSTALLED
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#if UNITY_EDITOR && UNITY_2019_1_OR_NEWER
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using UnityEngine.Profiling;
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#endif
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using PrimeTween;
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using UnityEngine;
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using UnityEngine.UI;
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namespace PrimeTweenDemo {
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/// <summary>
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/// PrimeTween uses static delegates (lambdas with no external captures) to play animations.
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/// The first time a particular animation is played, C# runtime caches the delegate for this animation, and the GC.Alloc is shown in Profiler.
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/// Such allocations are not technically 'garbage' because they are not subject to garbage collection.
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/// All subsequent calls will use the cached delegate and will never allocate again.
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///
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/// To replicate '0B' heap allocations shown in the promo video:
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/// Disable the 'Project Settings/Editor/Enter Play Mode Settings/Reload Domain' setting.
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/// Enable Profiler with Deep Profile.
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/// Run the Demo and play all animations at least once. This will cache the aforementioned static delegates.
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/// Restart the Demo scene and observe that PrimeTween doesn't allocate heap memory after static delegates warm-up.
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/// </summary>
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public class DebugInfo : MonoBehaviour {
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#pragma warning disable 0414
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[SerializeField] MeasureMemoryAllocations measureMemoryAllocations;
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[SerializeField] Text tweensCountText;
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[SerializeField] Text gcAllocText;
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#pragma warning restore 0414
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#if UNITY_EDITOR && UNITY_2019_1_OR_NEWER
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long curTweensCount = -1;
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int? curGCAlloc;
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void Start() {
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gcAllocText.text = string.Empty;
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if (shouldDisable()) {
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gameObject.SetActive(false);
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}
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if (Profiler.enabled && !UnityEditorInternal.ProfilerDriver.deepProfiling) {
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Debug.LogWarning("Please enable 'Deep Profile' for more accurate memory allocation measurements.");
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}
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}
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static bool shouldDisable() {
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if (!Application.isEditor) {
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return true;
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}
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if (UnityEditor.EditorApplication.isPaused) {
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return false; // Profiler.enabled returns false if scene is started paused in Unity 2021.3.26
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}
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return !Profiler.enabled;
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}
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void Update() {
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var newTweensCount = PrimeTweenManager.Instance.lastId;
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if (curTweensCount != newTweensCount) {
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curTweensCount = newTweensCount;
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tweensCountText.text = $"Animations: {newTweensCount}";
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}
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var newGCAlloc = measureMemoryAllocations.gcAllocTotal;
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if (newGCAlloc.HasValue && curGCAlloc != newGCAlloc.Value) {
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curGCAlloc = newGCAlloc.Value;
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gcAllocText.text = $"Heap allocations: {UnityEditor.EditorUtility.FormatBytes(newGCAlloc.Value)}";
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}
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}
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#endif
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}
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}
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#endif
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