first commit

NitroxClient/MonoBehaviours/NitroxGeyser.cs

@@ -0,0 +1,55 @@
+using NitroxModel.DataStructures.GameLogic.Entities;
+using UnityEngine;
+
+namespace NitroxClient.MonoBehaviours;
+
+/// <summary>
+///     <see cref="Geyser"/> works with <see cref="MonoBehaviour.InvokeRepeating"/> which is based on <see cref="Time"/>.
+///     Therefore, to ensure client freeze (and other things modifying the local unity's time) don't disturb the precise geyser's erupt schedule,
+///     we manage it ourselves in a synced way.
+/// </summary>
+public class NitroxGeyser : MonoBehaviour
+{
+    private Geyser geyser;
+
+    private float lastEruptTime;
+    private float eruptInterval;
+
+    public void Initialize(GeyserWorldEntity geyserEntity, Geyser geyser)
+    {
+        if (!DayNightCycle.main)
+        {
+            Log.Error($"Can't initialize {nameof(NitroxGeyser)} without {nameof(DayNightCycle)} being initialized");
+            Destroy(this);
+            return;
+        }
+        this.geyser = geyser;
+
+        eruptInterval = geyser.eruptionInterval + geyserEntity.RandomIntervalVarianceMultiplier * geyser.eruptionIntervalVariance;
+        float timePassed = DayNightCycle.main.timePassedAsFloat;
+        float timeSinceLastErupt = (timePassed - geyserEntity.StartEruptTime) % eruptInterval;
+        lastEruptTime = timePassed - timeSinceLastErupt;
+
+        geyser.CancelInvoke(nameof(Geyser.Erupt));
+    }
+
+    public void Update()
+    {
+        if (!DayNightCycle.main)
+        {
+            return;
+        }
+
+        int eruptOccurrences = (int)((DayNightCycle.main.timePassedAsFloat - lastEruptTime) / eruptInterval);
+        if (eruptOccurrences > 0)
+        {
+            lastEruptTime += eruptOccurrences * eruptInterval;
+            if (geyser.erupting)
+            {
+                geyser.CancelInvoke(nameof(Geyser.EndErupt));
+                geyser.EndErupt();
+            }
+            geyser.Erupt();
+        }
+    }
+}