public static void CacheData(MemoryStream stream, string cachePath)
{
var clock3 = Stopwatch.StartNew();
File.WriteAllBytes(cachePath, stream.ToArray());
PrepatcherMod.Info($"Write to file took {clock3.ElapsedMilliseconds}");
}
static void AddField(ModuleDefinition module, NewFieldData newField)
{
var fieldType = GenTypes.GetTypeInAnyAssembly(newField.fieldType);
var ceFieldType = module.ImportReference(fieldType);
PrepatcherMod.Info($"Patching in a new field {newField.name} of type {ceFieldType.ToStringSafe()}/{newField.fieldType} in type {newField.targetType}");
var ceField = new FieldDefinition(
newField.name,
FieldAttributes.Public,
ceFieldType
);
if (newField.isStatic)
{
ceField.Attributes |= FieldAttributes.Static;
}
var targetType = module.GetType(newField.targetType);
targetType.Fields.Add(ceField);
if (newField.defaultValue != null)
{
WriteFieldInitializers(newField, ceField, fieldType);
}
}
public static void BakeAsm(byte[] sourceAsmBytes, List <NewFieldData> fieldsToAdd, MemoryStream writeTo)
{
var clock = Stopwatch.StartNew();
using ModuleDefinition module = ModuleDefinition.ReadModule(new MemoryStream(sourceAsmBytes));
PrepatcherMod.Info($"Reading took {clock.ElapsedMilliseconds}");
module.GetType("Verse.Game").Fields.Add(new FieldDefinition(
PrepatcherMod.PrepatcherMarkerField,
FieldAttributes.Static,
module.TypeSystem.Int32
));
foreach (var newField in fieldsToAdd)
{
AddField(module, newField);
}
PrepatcherMod.Info("Added fields");
PrepatcherMod.ProcessModule(module);
module.GetType("Verse.Root").Methods.First(m => m.name == "Update").Body.Instructions.Insert(0, Instruction.Create(
OpCodes.Call,
module.ImportReference(SymbolExtensions.GetMethodInfo(() => Allocs.Update()))
));
var clock2 = Stopwatch.StartNew();
module.Write(writeTo);
PrepatcherMod.Info($"Write to memory took {clock2.ElapsedMilliseconds}");
}
