first commit

NitroxClient/GameLogic/Spawning/Metadata/Processor/CrafterMetadataProcessor.cs

@@ -0,0 +1,45 @@
+using NitroxClient.GameLogic.Spawning.Metadata.Processor.Abstract;
+using NitroxClient.Unity.Helper;
+using NitroxModel.DataStructures.GameLogic.Entities.Metadata;
+using NitroxModel_Subnautica.DataStructures;
+using UnityEngine;
+
+namespace NitroxClient.GameLogic.Spawning.Metadata.Processor;
+
+public class CrafterMetadataProcessor : EntityMetadataProcessor<CrafterMetadata>
+{
+    // small increase to prevent this player from swiping item from remote player
+    public const float ANTI_GRIEF_DURATION_BUFFER = 0.2f;
+
+    public override void ProcessMetadata(GameObject gameObject, CrafterMetadata metadata)
+    {
+        if (metadata.TechType == null)
+        {
+            EnsureCrafterReset(gameObject);
+        }
+        else
+        {
+            SpawnItemInCrafter(gameObject, metadata);
+        }
+    }
+
+    private void EnsureCrafterReset(GameObject gameObject)
+    {
+        CrafterLogic crafterLogic = gameObject.RequireComponentInChildren<CrafterLogic>(true);
+        crafterLogic.ResetCrafter();
+    }
+
+    private void SpawnItemInCrafter(GameObject gameObject, CrafterMetadata metadata)
+    {
+        GhostCrafter ghostCrafter = gameObject.RequireComponentInChildren<GhostCrafter>(true);
+
+        float elapsedFromStart = DayNightCycle.main.timePassedAsFloat - metadata.StartTime;
+
+        // If a craft started way in the past, set duration to 0.01 (the craft function will not work with 0)
+        // Keeping track of both the duration and start time allows us to solve use-cases such as reloading
+        // when an item is being crafted or not picked up yet. 
+        float duration = Mathf.Max(metadata.Duration - elapsedFromStart + ANTI_GRIEF_DURATION_BUFFER, 0.01f);
+
+        ghostCrafter.logic.Craft(metadata.TechType.ToUnity(), duration);
+    }
+}