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