first commit

NitroxModel/DataStructures/GameLogic/Entities/Metadata/RocketMetadata.cs

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+using System;
+using System.Collections.Generic;
+using System.Runtime.Serialization;
+using BinaryPack.Attributes;
+
+namespace NitroxModel.DataStructures.GameLogic.Entities.Metadata;
+
+[Serializable]
+[DataContract]
+public class RocketMetadata : EntityMetadata
+{
+    [DataMember(Order = 1)]
+    public int CurrentStage { get; set; }
+
+    [DataMember(Order = 2)]
+    public float LastStageTransitionTime { get; set; }
+
+    [DataMember(Order = 3)]
+    public int ElevatorState { get; set; }
+
+    [DataMember(Order = 4)]
+    public float ElevatorPosition { get; set; }
+
+    [DataMember(Order = 5)]
+    public List<int> PreflightChecks { get; set; } = [];
+
+    [IgnoreConstructor]
+    protected RocketMetadata()
+    {
+        // Constructor for serialization. Has to be "protected" for json serialization.
+    }
+
+    public RocketMetadata(int currentStage, float lastStageTransitionTime, int elevatorState, float elevatorPosition, List<int> preflightChecks)
+    {
+        CurrentStage = currentStage;
+        LastStageTransitionTime = lastStageTransitionTime;
+        ElevatorState = elevatorState;
+        ElevatorPosition = elevatorPosition;
+        PreflightChecks = preflightChecks;
+    }
+
+    public override string ToString()
+    {
+        return $"[{nameof(RocketMetadata)} CurrentStage: {CurrentStage}, LastStageTransitionTime: {LastStageTransitionTime}, ElevatorState: {ElevatorState}, ElevatorPosition: {ElevatorPosition}, PreflightChecks: {string.Join(",", PreflightChecks)}]";
+    }
+}