private void LoadTypeDefinitions()
{
var assemblyName = typeof(Terraria.BitsByte).Assembly.GetName().Name;
TerrariaAssembly = _module.GetAssemblyRef(assemblyName) ?? new AssemblyRefUser(assemblyName);
ModTranslationType = new TypeRefUser(_module,
typeof(Terraria.ModLoader.ModTranslation).Namespace,
nameof(Terraria.ModLoader.ModTranslation), TerrariaAssembly);
SetDefaultMethod = new MemberRefUser(_module,
nameof(Terraria.ModLoader.ModTranslation.SetDefault),
MethodSig.CreateInstance(_module.CorLibTypes.Void, _module.CorLibTypes.String),
ModTranslationType);
var gameCultureType = new TypeRefUser(_module,
typeof(Terraria.Localization.GameCulture).Namespace,
nameof(Terraria.Localization.GameCulture), TerrariaAssembly);
AddTranslationMethod = new MemberRefUser(_module,
nameof(Terraria.ModLoader.ModTranslation.AddTranslation),
MethodSig.CreateInstance(_module.CorLibTypes.Void, new ClassSig(gameCultureType), _module.CorLibTypes.String),
ModTranslationType);
GameCultureField = new MemberRefUser(_module, _lang.ToString(),
new FieldSig(new ClassSig(gameCultureType)), gameCultureType);
GetTextValueMethod = new MemberRefUser(_module,
nameof(Terraria.Localization.Language.GetTextValue),
MethodSig.CreateStatic(_module.CorLibTypes.String, _module.CorLibTypes.String),
new TypeRefUser(_module,
typeof(Terraria.Localization.Language).Namespace,
nameof(Terraria.Localization.Language), TerrariaAssembly));
var modType = new TypeRefUser(_module,
typeof(Terraria.ModLoader.Mod).Namespace,
nameof(Terraria.ModLoader.Mod), TerrariaAssembly);
AddGlobalTranslationMethod = new MemberRefUser(_module,
nameof(Terraria.ModLoader.Mod.AddTranslation),
MethodSig.CreateInstance(_module.CorLibTypes.Void, new ClassSig(ModTranslationType)),
modType);
CreateGlobalTranslationMethod = new MemberRefUser(_module,
nameof(Terraria.ModLoader.Mod.CreateTranslation),
MethodSig.CreateInstance(new ClassSig(ModTranslationType), _module.CorLibTypes.String),
modType);
}
/// <inheritdoc />
public override ITypeDefOrRef Map(ITypeDefOrRef source)
{
if (DefMap.TryGetValue(source, out var mappedRef))
{
return(mappedRef as ITypeDefOrRef);
}
// check if the assembly reference needs to be fixed.
if (source is TypeRef sourceRef)
{
var targetAssemblyRef = TargetModule.GetAssemblyRef(sourceRef.DefinitionAssembly.Name);
if (!(targetAssemblyRef is null) && !string.Equals(targetAssemblyRef.FullName, source.DefinitionAssembly.FullName, StringComparison.Ordinal))
{
// We got a matching assembly by the simple name, but not by the full name.
// This means the injected code uses a different assembly version than the target assembly.
// We'll fix the assembly reference, to avoid breaking anything.
var fixedTypeRef = new TypeRefUser(sourceRef.Module, sourceRef.Namespace, sourceRef.Name, targetAssemblyRef);
return(Importer.Import(fixedTypeRef));
}
}
return(null);
}
/// <summary>
/// Initializes a new instance of TranslationEmitter.
/// </summary>
/// <param name="module">The module of the target assembly.</param>
/// <param name="gameCulture">The game culture selection.</param>
/// <param name="modName">The mod name.</param>
public TranslationEmitter(ModuleDef module, string gameCulture, string modName)
{
_modName = modName;
if (gameCulture == null)
{
throw new ArgumentNullException(nameof(gameCulture));
}
Module = module ?? throw new ArgumentNullException(nameof(module));
var importer = new Importer(Module);
var terraria = module.GetAssemblyRef("Terraria") ?? new AssemblyRefUser("Terraria", DefaultConfigurations.TerrariaVersion);
_modTranslationType = new TypeRefUser(Module, "Terraria.ModLoader", "ModTranslation", terraria);
_modTranslationSetDefaultMethod = new MemberRefUser(Module, "SetDefault",
MethodSig.CreateInstance(Module.CorLibTypes.Void, Module.CorLibTypes.String),
_modTranslationType);
var gameCultureType = new TypeRefUser(Module, "Terraria.Localization", "GameCulture", terraria);
_modTranslationAddTranslationMethod = new MemberRefUser(Module, "AddTranslation",
MethodSig.CreateInstance(Module.CorLibTypes.Void, new ClassSig(gameCultureType), Module.CorLibTypes.String),
_modTranslationType);
_gameCultureField = new MemberRefUser(Module, gameCulture,
new FieldSig(new ClassSig(gameCultureType)),
gameCultureType);
var languageType = new TypeRefUser(Module, "Terraria.Localization", "Language", terraria);
_getTextValueMethod = new MemberRefUser(Module, "GetTextValue", MethodSig.CreateStatic(Module.CorLibTypes.String, Module.CorLibTypes.String), languageType);
var modType = new TypeRefUser(Module, "Terraria.ModLoader", "Mod", terraria);
_modAddTranslationMethod = new MemberRefUser(Module, "AddTranslation", MethodSig.CreateInstance(Module.CorLibTypes.Void, new ClassSig(_modTranslationType)), modType);
_modCreateTranslationMethod = new MemberRefUser(Module, "CreateTranslation", MethodSig.CreateInstance(new ClassSig(_modTranslationType), Module.CorLibTypes.String), modType);
var type = Module.Types.Single(x => string.Equals(x.BaseType?.FullName, "Terraria.ModLoader.Mod",
StringComparison.Ordinal));
var ctor = importer.Import(typeof(CompilerGeneratedAttribute).GetConstructor(new Type[0])) as IMethodDefOrRef;
_modSetTranslationMethod = new MethodDefUser(ModSetTranslationMethod, MethodSig.CreateInstance(Module.CorLibTypes.Void), MethodAttributes.Private);
type.Methods.Add(_modSetTranslationMethod);
_modSetTranslationMethod.CustomAttributes.Add(new CustomAttribute(ctor));
_modSetTranslationMethod.Body = new CilBody
{
Instructions = { OpCodes.Ret.ToInstruction() },
Variables = { new Local(new ClassSig(_modTranslationType), "translation", 0) }
};
var loadMethod = type.FindMethod("Load", MethodSig.CreateInstance(Module.CorLibTypes.Void));
if (loadMethod?.HasBody != true)
{
Console.WriteLine("Could not find Mod.Load() method; trying to add one.");
loadMethod = new MethodDefUser("Load", MethodSig.CreateInstance(Module.CorLibTypes.Void), MethodAttributes.Public | MethodAttributes.HideBySig | MethodAttributes.Virtual)
{
Body = new CilBody
{
Instructions = { OpCodes.Ret.ToInstruction() },
}
};
type.Methods.Add(loadMethod);
}
loadMethod.Body.Instructions.AppendLast(new[]
{
OpCodes.Ldarg_0.ToInstruction(),
OpCodes.Call.ToInstruction(_modSetTranslationMethod),
OpCodes.Ret.ToInstruction()
});
}
AssemblyRef TryResolveAssembly(UTF8String name)
{
return(TargetModule.GetAssemblyRef(name) ?? TargetModule.Context.AssemblyResolver.Resolve(new AssemblyRefUser(name), TargetModule).ToAssemblyRef());
}