Files
7d2dXG/Mods/0A-KFCommonUtilityLib/Scripts/Utilities/Modular/ItemActionModuleProcessor.cs
Nathaniel Cosford f0e287b071 Mods for V1.3
2025-06-03 22:58:58 +09:30

158 lines
9.4 KiB
C#

using Mono.Cecil;
using Mono.Cecil.Cil;
using System;
using System.Collections.Generic;
using UniLinq;
using System.Reflection;
using UnityEngine.Scripting;
using FieldAttributes = Mono.Cecil.FieldAttributes;
using MethodAttributes = Mono.Cecil.MethodAttributes;
using TypeAttributes = Mono.Cecil.TypeAttributes;
using KFCommonUtilityLib.Scripts.Attributes;
using Mono.Cecil.Rocks;
namespace KFCommonUtilityLib
{
public class ItemActionModuleProcessor : IModuleProcessor
{
TypeDefinition typedef_newActionData;
FieldDefinition[] arr_flddef_data;
public Type GetModuleTypeByName(string name)
{
return ReflectionHelpers.GetTypeWithPrefix("ActionModule", name);
}
public bool BuildConstructor(ModuleManipulator manipulator, MethodDefinition mtddef_ctor)
{
return false;
}
public void InitModules(ModuleManipulator manipulator, Type targetType, Type baseType, params Type[] moduleTypes)
{
ModuleDefinition module = manipulator.module;
//Find ItemActionData subtype
MethodInfo mtdinf_create_data = null;
{
Type type_itemActionBase = targetType;
while (baseType.IsAssignableFrom(type_itemActionBase))
{
mtdinf_create_data = type_itemActionBase.GetMethod(nameof(ItemAction.CreateModifierData), BindingFlags.Public | BindingFlags.Instance);
if (mtdinf_create_data != null)
break;
mtdinf_create_data = mtdinf_create_data.GetBaseDefinition();
}
}
//ACTION MODULE DATA TYPES
var arr_type_data = moduleTypes.Select(m => m.GetCustomAttribute<ActionDataTargetAttribute>()?.DataType).ToArray();
//Create new ItemActionData
//Find CreateModifierData
MethodDefinition mtddef_create_data = module.ImportReference(mtdinf_create_data).Resolve();
//ItemActionData subtype is the return type of CreateModifierData
TypeReference typeref_actiondata = ((MethodReference)mtddef_create_data.Body.Instructions[mtddef_create_data.Body.Instructions.Count - 2].Operand).DeclaringType;
//Get type by assembly qualified name since it might be from mod assembly
Type type_itemActionData = Type.GetType(Assembly.CreateQualifiedName(typeref_actiondata.Module.Assembly.Name.Name, typeref_actiondata.FullName));
MethodReference mtdref_data_ctor;
if (ModuleManagers.PatchType(type_itemActionData, typeof(ItemActionData), arr_type_data.Where(t => t != null).ToArray(), new ItemActionDataModuleProcessor(manipulator.typedef_newTarget, moduleTypes, manipulator.arr_flddef_modules, arr_type_data.Select(t => t != null).ToArray(), out arr_flddef_data), out var str_data_type_name) && ModuleManagers.TryFindInCur(str_data_type_name, out typedef_newActionData))
{
module.Types.Remove(typedef_newActionData);
manipulator.typedef_newTarget.NestedTypes.Add(typedef_newActionData);
mtdref_data_ctor = typedef_newActionData.GetConstructors().FirstOrDefault();
}
else
{
mtdref_data_ctor = module.ImportReference(type_itemActionData.GetConstructor(new Type[] { typeof(ItemInventoryData), typeof(int) }));
}
//typedef_newActionData = new TypeDefinition(null, ModuleUtils.CreateTypeName(type_itemActionData, arr_type_data), TypeAttributes.AnsiClass | TypeAttributes.BeforeFieldInit | TypeAttributes.NestedPublic | TypeAttributes.Sealed, module.ImportReference(typeref_actiondata));
//typedef_newActionData.CustomAttributes.Add(new CustomAttribute(module.ImportReference(typeof(PreserveAttribute).GetConstructor(Array.Empty<Type>()))));
//manipulator.typedef_newTarget.NestedTypes.Add(typedef_newActionData);
////Create ItemActionData field
//arr_flddef_data = new FieldDefinition[moduleTypes.Length];
//for (int i = 0; i < moduleTypes.Length; i++)
//{
// if (arr_type_data[i] != null)
// {
// Type type_data = arr_type_data[i];
// manipulator.MakeContainerFor(typedef_newActionData, type_data, out var flddef_data);
// arr_flddef_data[i] = flddef_data;
// }
//}
////Create ItemActionData constructor
//MethodDefinition mtddef_ctor_data = new MethodDefinition(".ctor", MethodAttributes.Public | MethodAttributes.HideBySig | MethodAttributes.SpecialName | MethodAttributes.RTSpecialName, module.TypeSystem.Void);
//mtddef_ctor_data.Parameters.Add(new ParameterDefinition("_inventoryData", Mono.Cecil.ParameterAttributes.None, module.ImportReference(typeof(ItemInventoryData))));
//mtddef_ctor_data.Parameters.Add(new ParameterDefinition("_indexInEntityOfAction", Mono.Cecil.ParameterAttributes.None, module.TypeSystem.Int32));
//FieldReference fldref_invdata_item = module.ImportReference(typeof(ItemInventoryData).GetField(nameof(ItemInventoryData.item)));
//FieldReference fldref_item_actions = module.ImportReference(typeof(ItemClass).GetField(nameof(ItemClass.Actions)));
//var il = mtddef_ctor_data.Body.GetILProcessor();
//il.Append(il.Create(OpCodes.Ldarg_0));
//il.Append(il.Create(OpCodes.Ldarg_1));
//il.Append(il.Create(OpCodes.Ldarg_2));
//il.Append(il.Create(OpCodes.Call, module.ImportReference(type_itemActionData.GetConstructor(new Type[] { typeof(ItemInventoryData), typeof(int) }))));
//il.Append(il.Create(OpCodes.Nop));
//for (int i = 0; i < arr_flddef_data.Length; i++)
//{
// if (arr_type_data[i] == null)
// continue;
// il.Append(il.Create(OpCodes.Ldarg_0));
// il.Append(il.Create(OpCodes.Ldarg_1));
// il.Append(il.Create(OpCodes.Ldarg_2));
// il.Emit(OpCodes.Ldarg_1);
// il.Emit(OpCodes.Ldfld, fldref_invdata_item);
// il.Emit(OpCodes.Ldfld, fldref_item_actions);
// il.Emit(OpCodes.Ldarg_2);
// il.Emit(OpCodes.Ldelem_Ref);
// il.Emit(OpCodes.Castclass, manipulator.typedef_newTarget);
// il.Emit(OpCodes.Ldfld, manipulator.arr_flddef_modules[i]);
// il.Append(il.Create(OpCodes.Newobj, module.ImportReference(arr_type_data[i].GetConstructor(new Type[] { typeof(ItemInventoryData), typeof(int), moduleTypes[i] }))));
// il.Append(il.Create(OpCodes.Stfld, arr_flddef_data[i]));
// il.Append(il.Create(OpCodes.Nop));
//}
//il.Append(il.Create(OpCodes.Ret));
//typedef_newActionData.Methods.Add(mtddef_ctor_data);
//Create ItemAction.CreateModifierData override
MethodDefinition mtddef_create_modifier_data = new MethodDefinition(nameof(ItemAction.CreateModifierData), MethodAttributes.Public | MethodAttributes.Virtual | MethodAttributes.HideBySig | MethodAttributes.ReuseSlot, module.ImportReference(typeof(ItemActionData)));
mtddef_create_modifier_data.Parameters.Add(new ParameterDefinition("_invData", Mono.Cecil.ParameterAttributes.None, module.ImportReference(typeof(ItemInventoryData))));
mtddef_create_modifier_data.Parameters.Add(new ParameterDefinition("_indexInEntityOfAction", Mono.Cecil.ParameterAttributes.None, module.TypeSystem.Int32));
var il = mtddef_create_modifier_data.Body.GetILProcessor();
il.Emit(OpCodes.Ldarg_1);
il.Emit(OpCodes.Ldarg_2);
il.Emit(OpCodes.Newobj, mtdref_data_ctor);
il.Emit(OpCodes.Ret);
manipulator.typedef_newTarget.Methods.Add(mtddef_create_modifier_data);
}
public bool MatchSpecialArgs(ParameterDefinition par, MethodDefinition mtddef_target, MethodPatchInfo mtdpinf_derived, int moduleIndex, List<Instruction> list_inst_pars, ILProcessor il)
{
switch (par.Name)
{
//load injected data instance
case "__customData":
var flddef_data = arr_flddef_data[moduleIndex];
if (flddef_data == null)
throw new ArgumentNullException($"No Injected ItemActionData in {mtddef_target.DeclaringType.FullName}! module index {moduleIndex}");
int index = -1;
for (int j = 0; j < mtdpinf_derived.Method.Parameters.Count; j++)
{
if (mtdpinf_derived.Method.Parameters[j].ParameterType.Name == "ItemActionData")
{
index = j;
break;
}
}
if (index < 0)
throw new ArgumentException($"ItemActionData is not present in target method! Patch method: {mtddef_target.DeclaringType.FullName}.{mtddef_target.Name}");
list_inst_pars.Add(il.Create(OpCodes.Ldarg_S, mtdpinf_derived.Method.Parameters[index]));
list_inst_pars.Add(il.Create(OpCodes.Castclass, typedef_newActionData));
list_inst_pars.Add(il.Create(par.ParameterType.IsByReference ? OpCodes.Ldflda : OpCodes.Ldfld, flddef_data));
return true;
}
return false;
}
}
}