63 lines
2.9 KiB
C#
63 lines
2.9 KiB
C#
using Dalamud.Plugin;
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using System;
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using System.Runtime.InteropServices;
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using System.Text;
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namespace CCMM {
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public class GameFunctions {
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private readonly CCMMPlugin plugin;
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private delegate IntPtr GetUIBaseDelegate();
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private delegate IntPtr GetUIModuleDelegate(IntPtr basePtr);
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private delegate void EasierProcessChatBoxDelegate(IntPtr uiModule, IntPtr message, IntPtr unused, byte a4);
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private readonly GetUIModuleDelegate GetUIModule;
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private readonly EasierProcessChatBoxDelegate _EasierProcessChatBox;
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private readonly IntPtr uiModulePtr;
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public GameFunctions(CCMMPlugin plugin) {
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this.plugin = plugin ?? throw new ArgumentNullException(nameof(plugin), "Plugin cannot be null");
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IntPtr getUIModulePtr = this.plugin.Interface.TargetModuleScanner.ScanText("E8 ?? ?? ?? ?? 48 83 7F ?? 00 48 8B F0");
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IntPtr easierProcessChatBoxPtr = this.plugin.Interface.TargetModuleScanner.ScanText("48 89 5C 24 ?? 57 48 83 EC 20 48 8B FA 48 8B D9 45 84 C9");
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this.uiModulePtr = this.plugin.Interface.TargetModuleScanner.GetStaticAddressFromSig("48 8B 0D ?? ?? ?? ?? 48 8D 54 24 ?? 48 83 C1 10 E8 ?? ?? ?? ??");
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if (getUIModulePtr == IntPtr.Zero || easierProcessChatBoxPtr == IntPtr.Zero || this.uiModulePtr == IntPtr.Zero) {
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PluginLog.Log($"getUIModulePtr: {getUIModulePtr.ToInt64():x}");
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PluginLog.Log($"easierProcessChatBoxPtr: {easierProcessChatBoxPtr.ToInt64():x}");
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PluginLog.Log($"this.uiModulePtr: {this.uiModulePtr.ToInt64():x}");
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throw new ApplicationException("Got null pointers for game signature(s)");
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}
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this.GetUIModule = Marshal.GetDelegateForFunctionPointer<GetUIModuleDelegate>(getUIModulePtr);
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this._EasierProcessChatBox = Marshal.GetDelegateForFunctionPointer<EasierProcessChatBoxDelegate>(easierProcessChatBoxPtr);
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}
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public void ProcessChatBox(string message) {
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IntPtr uiModule = this.GetUIModule(Marshal.ReadIntPtr(this.uiModulePtr));
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if (uiModule == IntPtr.Zero) {
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throw new ApplicationException("uiModule was null");
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}
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byte[] bytes = Encoding.UTF8.GetBytes(message);
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IntPtr mem1 = Marshal.AllocHGlobal(400);
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IntPtr mem2 = Marshal.AllocHGlobal(bytes.Length + 30);
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Marshal.Copy(bytes, 0, mem2, bytes.Length);
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Marshal.WriteByte(mem2 + bytes.Length, 0);
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Marshal.WriteInt64(mem1, mem2.ToInt64());
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Marshal.WriteInt64(mem1 + 8, 64);
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Marshal.WriteInt64(mem1 + 8 + 8, bytes.Length + 1);
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Marshal.WriteInt64(mem1 + 8 + 8 + 8, 0);
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this._EasierProcessChatBox(uiModule, mem1, IntPtr.Zero, 0);
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Marshal.FreeHGlobal(mem1);
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Marshal.FreeHGlobal(mem2);
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}
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}
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}
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