TechbloxModdingAPI/GamecraftModdingAPI/Persistence/SimpleEntitySerializer.cs

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using System;
using Svelto.ECS;
using Svelto.ECS.Serialization;
using RobocraftX.Common;
namespace GamecraftModdingAPI.Persistence
{
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/// <summary>
/// Simple entity serializer sufficient for simple entity components.
/// </summary>
public class SimpleEntitySerializer<Descriptor> : IEntitySerializer where Descriptor : ISerializableEntityDescriptor, new()
{
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/// <summary>
/// Delegate function called when the serializer needs to know what entities to serialize.
/// </summary>
public delegate EGID[] GetEntitiesToSerialize(EntitiesDB entitiesDB);
private GetEntitiesToSerialize getEntitiesToSerialize;
protected int serializationType;
public EntitiesDB entitiesDB { set; protected get; }
public EntityComponentInitializer BuildDeserializedEntity(EGID egid, ISerializationData serializationData, ISerializableEntityDescriptor entityDescriptor, int serializationType, IEntitySerialization entitySerialization, IEntityFactory factory, bool enginesRootIsDeserializationOnly)
{
EntityComponentInitializer esi = factory.BuildEntity<Descriptor>(egid);
entitySerialization.DeserializeEntityComponents(serializationData, entityDescriptor, ref esi, serializationType);
return esi;
}
public bool Deserialize(ref ISerializationData serializationData, IEntitySerialization entitySerializer)
{
BinaryBufferReader bbr = new BinaryBufferReader(serializationData.data.ToArrayFast(out uint count), serializationData.dataPos);
uint entityCount = bbr.ReadUint();
serializationData.dataPos = bbr.Position;
for (uint i = 0; i < entityCount; i++)
{
entitySerializer.DeserializeEntity(serializationData, serializationType);
}
return true;
}
public void Ready() { }
public bool Serialize(ref ISerializationData serializationData, EntitiesDB entitiesDB, IEntitySerialization entitySerializer)
{
serializationData.data.ExpandBy(4u);
BinaryBufferWriter bbw = new BinaryBufferWriter(serializationData.data.ToArrayFast(out uint count), serializationData.dataPos);
EGID[] toSerialize = getEntitiesToSerialize(entitiesDB);
bbw.Write((uint)toSerialize.Length);
serializationData.dataPos = bbw.Position;
for (uint i = 0; i < toSerialize.Length; i++)
{
entitySerializer.SerializeEntity(toSerialize[i], serializationData, serializationType);
}
return true;
}
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/// <summary>
/// Construct the entity serializer.
/// </summary>
/// <param name="getEntitiesToSerialize">Provider of entity IDs to serialize.</param>
public SimpleEntitySerializer(GetEntitiesToSerialize getEntitiesToSerialize)
{
this.getEntitiesToSerialize = getEntitiesToSerialize;
serializationType = (int)SerializationType.Storage;
}
}
}