Further work on getting MSIL Injection in. Next step is to overwrite the constructor for Game1 and redirect it to SGame
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608a5cb257
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@ -48,7 +48,6 @@ namespace StardewModdingAPI.Helpers
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public CecilContext(CecilContextType contextType)
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{
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ContextType = contextType;
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if (ContextType == CecilContextType.SMAPI)
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_assemblyDefinition = AssemblyDefinition.ReadAssembly(Assembly.GetExecutingAssembly().Location);
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else
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@ -64,7 +63,7 @@ namespace StardewModdingAPI.Helpers
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throw new ArgumentNullException("Both type and method must be set");
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Mono.Cecil.Cil.ILProcessor ilProcessor = null;
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TypeDefinition typeDef = _assemblyDefinition.MainModule.Types.FirstOrDefault(n => n.FullName == type);
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TypeDefinition typeDef = GetTypeDefinition(type);
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if (typeDef != null)
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{
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MethodDefinition methodDef = typeDef.Methods.FirstOrDefault(m => m.Name == method);
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@ -77,6 +76,31 @@ namespace StardewModdingAPI.Helpers
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return ilProcessor;
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}
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public TypeDefinition GetTypeDefinition(string type)
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{
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if (_assemblyDefinition == null)
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throw new Exception("ERROR Assembly not properly read. Cannot parse");
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if (string.IsNullOrWhiteSpace(type))
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throw new ArgumentNullException("Both type and method must be set");
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TypeDefinition typeDef = _assemblyDefinition.MainModule.Types.FirstOrDefault(n => n.FullName == type);
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return typeDef;
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}
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public MethodDefinition GetMethodDefinition(string type, string method)
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{
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MethodDefinition methodDef = null;
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TypeDefinition typeDef = GetTypeDefinition(type);
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if (typeDef != null)
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{
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methodDef = typeDef.Methods.FirstOrDefault(m => m.Name == method);
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}
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return methodDef;
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}
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public MethodInfo GetSMAPIMethodReference(string type, string method)
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{
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if (_assemblyDefinition == null)
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@ -11,6 +11,7 @@ namespace StardewModdingAPI.Helpers
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{
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public static class CecilHelper
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{
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//System.Void StardewValley.Game1::.ctor()
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private static void InjectMethod(ILProcessor ilProcessor, Instruction target, MethodReference method)
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{
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@ -26,6 +27,13 @@ namespace StardewModdingAPI.Helpers
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}
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}
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// public void ReplaceInstruction(ILProcessor processor, OpCode opcode, string oldOperand, string newOperand)
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//{
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//var instructions = processor.Body.Instructions.Where(i => i.OpCode == opcode && i.Operand == oldOperand);
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// processor.Create()
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//}
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public static void InjectEntryMethod(CecilContext stardewContext, CecilContext smapiContext, string injecteeType, string injecteeMethod,
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string injectedType, string injectedMethod)
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{
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@ -0,0 +1,13 @@
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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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namespace StardewModdingAPI.Helpers
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{
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public static class ReflectionHelper
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{
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}
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}
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@ -72,7 +72,11 @@ namespace StardewModdingAPI
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private static void ConfigureMethodInjection()
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{
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StardewContext = new CecilContext(CecilContextType.Stardew);
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//SmapiContext = new CecilContext(CecilContextType.SMAPI);
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SmapiContext = new CecilContext(CecilContextType.SMAPI);
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//StardewContext.ReplaceMethodInstruction(OpCodes.Newobj, "System.Void StardewValley.Game1::.ctor()")
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var test = StardewContext.GetMethodILProcessor("StardewValley.Program", "Main");
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StardewContext.GetTypeDefinition("StardewValley.Game1");
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}
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private static void WeaveOnEnterMethod(Mono.Cecil.Cil.ILProcessor ilProcessor, Instruction target, MethodReference callback)
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@ -143,8 +147,8 @@ namespace StardewModdingAPI
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StardewModdingAPI.Log.Info("Initializing SDV Assembly...");
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// Load in the assembly - ignores security
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//StardewAssembly = Assembly.UnsafeLoadFrom(Constants.ExecutionPath + "\\Stardew Valley.exe");
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StardewAssembly = Assembly.Load(StardewContext.ModifiedAssembly.GetBuffer());
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StardewAssembly = Assembly.UnsafeLoadFrom(Constants.ExecutionPath + "\\Stardew Valley.exe");
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//StardewAssembly = Assembly.Load(StardewContext.ModifiedAssembly.GetBuffer());
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StardewProgramType = StardewAssembly.GetType("StardewValley.Program", true);
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StardewGameInfo = StardewProgramType.GetField("gamePtr");
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@ -254,24 +258,9 @@ namespace StardewModdingAPI
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ready = true;
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StardewGameInfo.SetValue(StardewProgramType, gamePtr);
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StardewAssembly.EntryPoint.Invoke(null, new object[] { new string[] { } });
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//StardewGameInfo.SetValue(StardewProgramType, gamePtr);
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gamePtr.Run();
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#region deprecated
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if (false)
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{
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//Nope, I can't get it to work. I depend on Game1 being an SGame, and can't cast a parent to a child
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//I'm leaving this here in case the community is interested
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//StardewInjectorMod.Entry(true);
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Type gt = StardewAssembly.GetType("StardewValley.Game1", true);
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gamePtr = (SGame)Activator.CreateInstance(gt);
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ready = true;
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StardewGameInfo.SetValue(StardewProgramType, gamePtr);
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gamePtr.Run();
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}
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#endregion
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}
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catch (Exception ex)
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{
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@ -145,6 +145,7 @@
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<Compile Include="Extensions.cs" />
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<Compile Include="Helpers\CecilContext.cs" />
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<Compile Include="Helpers\CecilHelper.cs" />
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<Compile Include="Helpers\ReflectionHelper.cs" />
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<Compile Include="Inheritance\ItemStackChange.cs" />
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<Compile Include="Inheritance\Menus\SBobberBar.cs" />
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<Compile Include="Inheritance\Menus\SGameMenu.cs" />
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