(61d00a474) v0.9.7.1
This commit is contained in:
Regalis
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using Microsoft.Xna.Framework;
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using System;
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using System.Collections.Generic;
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using System.IO;
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using System.Linq;
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using System.Text;
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namespace Barotrauma
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{
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class Entity : ISpatialEntity
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{
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public const ushort NullEntityID = 0;
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public const ushort EntitySpawnerID = ushort.MaxValue;
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private static Dictionary<ushort, Entity> dictionary = new Dictionary<ushort, Entity>();
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public static List<Entity> GetEntityList()
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{
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return dictionary.Values.ToList();
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}
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public static EntitySpawner Spawner;
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private ushort id;
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protected AITarget aiTarget;
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private bool idFreed;
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public virtual bool Removed
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{
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get;
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private set;
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}
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public bool IdFreed
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{
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get { return idFreed; }
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}
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public ushort ID
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{
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get
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{
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return id;
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}
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set
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{
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if (this is EntitySpawner) { return; }
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if (value == NullEntityID)
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{
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DebugConsole.ThrowError("Cannot set the ID of an entity to " + NullEntityID +
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"! The value is reserved for entity events referring to a non-existent (e.g. removed) entity.\n" + Environment.StackTrace);
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return;
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}
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if (value == EntitySpawnerID)
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{
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DebugConsole.ThrowError("Cannot set the ID of an entity to " + EntitySpawnerID +
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"! The value is reserved for EntitySpawner.\n" + Environment.StackTrace);
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return;
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}
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if (dictionary.TryGetValue(id, out Entity thisEntity) && thisEntity == this)
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{
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dictionary.Remove(id);
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}
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//if there's already an entity with the same ID, give it the old ID of this one
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if (dictionary.TryGetValue(value, out Entity existingEntity))
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{
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DebugConsole.Log(existingEntity + " had the same ID as " + this + " (" + value + ")");
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dictionary.Remove(value);
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dictionary.Add(id, existingEntity);
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existingEntity.id = id;
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DebugConsole.Log("The id of " + existingEntity + " is now " + id);
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DebugConsole.Log("The id of " + this + " is now " + value);
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}
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id = value;
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idFreed = false;
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dictionary.Add(id, this);
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}
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}
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public virtual Vector2 SimPosition
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{
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get { return Vector2.Zero; }
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}
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public virtual Vector2 Position
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{
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get { return Vector2.Zero; }
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}
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public virtual Vector2 WorldPosition
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{
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get { return Submarine == null ? Position : Submarine.Position + Position; }
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}
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public virtual Vector2 DrawPosition
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{
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get { return Submarine == null ? Position : Submarine.DrawPosition + Position; }
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}
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public Submarine Submarine
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{
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get;
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set;
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}
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public AITarget AiTarget
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{
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get { return aiTarget; }
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}
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public double SpawnTime
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{
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get { return spawnTime; }
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}
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private readonly double spawnTime;
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public Entity(Submarine submarine)
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{
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this.Submarine = submarine;
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spawnTime = Timing.TotalTime;
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//give a unique ID
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id = this is EntitySpawner ?
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EntitySpawnerID :
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FindFreeID(submarine == null ? (ushort)1 : submarine.IdOffset);
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dictionary.Add(id, this);
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}
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public static ushort FindFreeID(ushort idOffset = 0)
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{
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//ushort.MaxValue - 2 because 0 and ushort.MaxValue are reserved values
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if (dictionary.Count >= ushort.MaxValue - 2)
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{
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throw new Exception("Maximum amount of entities (" + (ushort.MaxValue - 1) + ") reached!");
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}
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idOffset = Math.Max(idOffset, (ushort)1);
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bool IDfound;
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ushort id = idOffset;
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do
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{
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id += 1;
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IDfound = dictionary.ContainsKey(id);
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} while (IDfound);
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return id;
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}
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/// <summary>
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/// Find an entity based on the ID
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/// </summary>
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public static Entity FindEntityByID(ushort ID)
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{
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Entity matchingEntity;
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dictionary.TryGetValue(ID, out matchingEntity);
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return matchingEntity;
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}
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public static void RemoveAll()
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{
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List<Entity> list = new List<Entity>(dictionary.Values);
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foreach (Entity e in list)
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{
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try
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{
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e.Remove();
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}
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catch (Exception exception)
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{
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DebugConsole.ThrowError("Error while removing entity \"" + e.ToString() + "\"", exception);
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GameAnalyticsManager.AddErrorEventOnce(
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"Entity.RemoveAll:Exception" + e.ToString(),
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GameAnalyticsSDK.Net.EGAErrorSeverity.Error,
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"Error while removing entity \"" + e.ToString() + " (" + exception.Message + ")\n" + exception.StackTrace);
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}
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}
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StringBuilder errorMsg = new StringBuilder();
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if (dictionary.Count > 0)
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{
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errorMsg.AppendLine("Some entities were not removed in Entity.RemoveAll:");
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foreach (Entity e in dictionary.Values)
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{
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errorMsg.AppendLine(" - " + e.ToString() + "(ID " + e.id + ")");
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}
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}
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if (Item.ItemList.Count > 0)
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{
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errorMsg.AppendLine("Some items were not removed in Entity.RemoveAll:");
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foreach (Item item in Item.ItemList)
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{
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errorMsg.AppendLine(" - " + item.Name + "(ID " + item.id + ")");
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}
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var items = new List<Item>(Item.ItemList);
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foreach (Item item in items)
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{
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try
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{
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item.Remove();
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}
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catch (Exception exception)
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{
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DebugConsole.ThrowError("Error while removing item \"" + item.ToString() + "\"", exception);
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}
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}
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Item.ItemList.Clear();
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}
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if (Character.CharacterList.Count > 0)
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{
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errorMsg.AppendLine("Some characters were not removed in Entity.RemoveAll:");
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foreach (Character character in Character.CharacterList)
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{
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errorMsg.AppendLine(" - " + character.Name + "(ID " + character.id + ")");
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}
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var characters = new List<Character>(Character.CharacterList);
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foreach (Character character in characters)
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{
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try
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{
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character.Remove();
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}
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catch (Exception exception)
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{
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DebugConsole.ThrowError("Error while removing character \"" + character.ToString() + "\"", exception);
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}
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}
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Character.CharacterList.Clear();
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}
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if (!string.IsNullOrEmpty(errorMsg.ToString()))
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{
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foreach (string errorLine in errorMsg.ToString().Split('\n'))
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{
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DebugConsole.ThrowError(errorLine);
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}
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GameAnalyticsManager.AddErrorEventOnce("Entity.RemoveAll", GameAnalyticsSDK.Net.EGAErrorSeverity.Error, errorMsg.ToString());
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}
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dictionary.Clear();
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Hull.EntityGrids.Clear();
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Spawner?.Reset();
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}
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/// <summary>
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/// Removes the entity from the entity dictionary and frees up the ID it was using.
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/// </summary>
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public void FreeID()
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{
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DebugConsole.Log("Removing entity " + ToString() + " (" + ID + ") from entity dictionary.");
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if (!dictionary.TryGetValue(ID, out Entity existingEntity))
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{
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DebugConsole.Log("Entity " + ToString() + " (" + ID + ") not present in entity dictionary.");
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GameAnalyticsManager.AddErrorEventOnce(
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"Entity.FreeID:EntityNotFound" + ID,
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GameAnalyticsSDK.Net.EGAErrorSeverity.Error,
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"Entity " + ToString() + " (" + ID + ") not present in entity dictionary.\n" + Environment.StackTrace);
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}
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else if (existingEntity != this)
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{
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DebugConsole.Log("Entity ID mismatch in entity dictionary. Entity " + existingEntity + " had the ID " + ID + " (expecting " + ToString() + ")");
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GameAnalyticsManager.AddErrorEventOnce("Entity.FreeID:EntityMismatch" + ID,
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GameAnalyticsSDK.Net.EGAErrorSeverity.Error,
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"Entity ID mismatch in entity dictionary. Entity " + existingEntity + " had the ID " + ID + " (expecting " + ToString() + ")");
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foreach (var keyValuePair in dictionary.Where(kvp => kvp.Value == this).ToList())
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{
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dictionary.Remove(keyValuePair.Key);
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}
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}
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dictionary.Remove(ID);
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idFreed = true;
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}
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public virtual void Remove()
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{
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if (!idFreed) FreeID();
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Removed = true;
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}
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public static void DumpIds(int count, string filename)
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{
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List<Entity> entities = dictionary.Values.OrderByDescending(e => e.id).ToList();
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count = Math.Min(entities.Count, count);
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List<string> lines = new List<string>();
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for (int i = 0; i < count; i++)
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{
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lines.Add(entities[i].id + ": " + entities[i].ToString());
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DebugConsole.ThrowError(entities[i].id + ": " + entities[i].ToString());
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}
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if (!string.IsNullOrWhiteSpace(filename))
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{
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File.WriteAllLines(filename, lines);
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}
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}
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}
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}
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