88 lines
3.5 KiB
C#
88 lines
3.5 KiB
C#
using System;
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using System.Text;
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using System.Reflection;
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using RobocraftX.Common;
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using Svelto.DataStructures;
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using Svelto.ECS;
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using Svelto.ECS.Serialization;
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using HarmonyLib;
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using GamecraftModdingAPI.Utility;
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namespace GamecraftModdingAPI.Persistence
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{
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[HarmonyPatch]
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class DeserializeFromDiskEntitiesEnginePatch
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{
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internal static EntitiesDB entitiesDB = null;
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private static readonly byte[] frameStart = Encoding.UTF8.GetBytes("\0\0\0GamecraftModdingAPI\0\0\0");
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public static void Prefix(ref ISerializationData ____serializationData, ref FasterList<byte> ____bytesStream, ref IEntitySerialization ____entitySerializer, bool ____spawnBlocksOnly)
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{
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if (____spawnBlocksOnly) return; // only run after second deserialization call (when all vanilla stuff is already deserialized)
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uint originalPos = ____serializationData.dataPos;
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Logging.MetaDebugLog($"dataPos: {originalPos}");
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BinaryBufferReader bbr = new BinaryBufferReader(____bytesStream.ToArrayFast(out uint count), ____serializationData.dataPos);
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byte[] frameBuffer = new byte[frameStart.Length];
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Logging.MetaDebugLog($"serial data count: {____serializationData.data.count} capacity: {____serializationData.data.capacity}");
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int i = 0;
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// match frame start
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while (frameBuffer != frameStart && bbr.Position < count-frameStart.Length)
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{
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i = 0;
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frameBuffer[0] = bbr.ReadByte();
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while (frameBuffer[i] == frameStart[i] && bbr.Position < count - frameStart.Length + i)
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{
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i++;
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if (i == frameStart.Length) break;
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frameBuffer[i] = bbr.ReadByte();
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}
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if (i == frameStart.Length) break;
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}
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// abort if at end of file
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if (bbr.Position >= count - frameStart.Length)
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{
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Logging.MetaLog("Skipping deserialization (no frame found)");
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return;
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}
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//____serializationData.dataPos = bbr.Position;
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Logging.MetaDebugLog($"dataPos (after frame): {bbr.Position}");
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uint customComponentsCount = bbr.ReadUint();
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for (uint c = 0; c < customComponentsCount; c++)
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{
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// determine component from info
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uint nameLength = bbr.ReadUint();
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byte[] nameBytes = new byte[nameLength];
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bbr.ReadBytes(nameBytes, nameLength);
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string name = Encoding.UTF8.GetString(nameBytes);
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Logging.MetaDebugLog($"Component name: {name} (len: {nameLength})");
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uint componentEnd = bbr.ReadUint();
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____serializationData.dataPos = bbr.Position;
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if (SerializerManager.ExistsSerializer(name))
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{
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// deserialize component
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IEntitySerializer serial = SerializerManager.GetSerializer(name);
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if (!serial.Deserialize(ref ____serializationData, ____entitySerializer))
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{
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Logging.MetaDebugLog("Component deserialization failed!");
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}
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}
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else
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{
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Logging.MetaDebugLog("Skipping component deserialization: not found!");
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}
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bbr = new BinaryBufferReader(____bytesStream.ToArrayFast(out count), componentEnd);
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}
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____serializationData.dataPos = originalPos; // change back to original end point (just in case)
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Logging.MetaDebugLog("Deserialization complete");
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}
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public static MethodBase TargetMethod()
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{
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return AccessTools.Method("RobocraftX.SaveAndLoad.DeserializeFromDiskEntitiesEngine:LoadingFinished");//AccessTools.TypeByName("RobocraftX.SaveAndLoad.DeserializeFromDiskEntities")
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}
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}
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}
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