78 lines
2.2 KiB
C#
78 lines
2.2 KiB
C#
using LibXom.Data;
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using LibXom.Streams;
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using LibXom;
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using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text;
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using System.Threading.Tasks;
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using LibW4M.Data.Stats;
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namespace LibW4M.PS2
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{
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public static class Ps2Save
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{
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private const int PS2_MAX_SZ = 0x20000;
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private static void createPs2SaveXOM(W4SaveFile save, Stream output)
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{
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// Remove all stats ...
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foreach (StatsContainerData stat in save.StatsCollective.ToArray())
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save.StatsCollective.Delete(stat);
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// Save changes
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save.saveData();
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XomWriter.WriteXom(save.OriginalXom,output);
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Ps2Save.CalcAndWriteChecksum(output);
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}
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public static void CalcAndWriteChecksum(Stream s)
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{
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XomStreamReader reader = new XomStreamReader(s);
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XomStreamWriter writer = new XomStreamWriter(s);
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// Set size to ps2 save size.
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s.SetLength(PS2_MAX_SZ);
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s.Seek(0, SeekOrigin.Begin);
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// Calculate checksum
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Int64 chk = 0;
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for (int i = 0; i < (PS2_MAX_SZ - 4); i += 4)
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{
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int c = reader.ReadInt32();
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chk = (chk + c) & UInt32.MaxValue;
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}
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writer.WriteUInt32(Convert.ToUInt32(chk));
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s.Seek(0, SeekOrigin.Begin);
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}
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public static W4SaveFile ReadPS2Save(string filename)
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{
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return new W4SaveFile(XomReader.ReadXomFile(PsuFile.ReadPSU(filename).GetFileByName("BESLES-53096W4MA").FileData));
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}
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public static void CreateSaveFile(W4SaveFile save, Stream output)
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{
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PsuFile psuFile = new PsuFile();
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psuFile.InitalizePSU("BESLES-53096W4MA");
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psuFile.CreateFile("Icon1.ico", SaveResources.IconFile);
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psuFile.CreateFile("icon.sys", SaveResources.IconSys);
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using(MemoryStream ms = new MemoryStream())
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{
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createPs2SaveXOM(save, ms);
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ms.Seek(0, SeekOrigin.Begin);
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psuFile.CreateFile("BESLES-53096W4MA", ms.ToArray());
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}
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psuFile.WritePSU(output);
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}
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}
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}
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