112 lines
4.8 KiB
C#
Executable File
112 lines
4.8 KiB
C#
Executable File
using System;
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using System.Runtime.InteropServices;
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using Dalamud.Game.Text.SeStringHandling;
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using Dalamud.Hooking;
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namespace NominaOcculta {
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internal class GameFunctions : IDisposable {
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private static class Signatures {
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internal const string GenerateName = "E8 ?? ?? ?? ?? 48 8D 8B ?? ?? ?? ?? E8 ?? ?? ?? ?? 48 85 C0 74 1B 48 8D 8B ?? ?? ?? ?? E8 ?? ?? ?? ?? 48 8B 8B ?? ?? ?? ?? 48 8B D0 E8 ?? ?? ?? ?? 48 8B CB 48 8B 7C 24";
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internal const string Utf8StringCtor = "E8 ?? ?? ?? ?? 44 2B F7";
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internal const string Utf8StringDtor = "80 79 21 00 75 12";
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internal const string AtkTextNodeSetText = "E8 ?? ?? ?? ?? 49 8B FC";
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internal const string LoadExd = "40 53 56 57 48 81 EC ?? ?? ?? ?? 48 8B 05 ?? ?? ?? ?? 48 33 C4 48 89 84 24 ?? ?? ?? ?? 41 0F B6 D9";
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}
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private delegate IntPtr GenerateNameDelegate(int race, int clan, int gender, IntPtr first, IntPtr last);
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private delegate IntPtr Utf8StringCtorDelegate(IntPtr memory);
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private delegate void Utf8StringDtorDelegate(IntPtr memory);
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private delegate void AtkTextNodeSetTextDelegate(IntPtr node, IntPtr text);
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private delegate byte LoadExdDelegate(IntPtr a1, string sheetName, byte a3, byte a4);
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private delegate IntPtr GetExcelModuleDelegate(IntPtr uiModule);
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private Utf8StringCtorDelegate Utf8StringCtor { get; }
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private Utf8StringDtorDelegate Utf8StringDtor { get; }
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private GenerateNameDelegate InternalGenerateName { get; }
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private LoadExdDelegate LoadExd { get; }
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private Hook<AtkTextNodeSetTextDelegate> AtkTextNodeSetTextHook { get; }
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internal delegate void AtkTextNodeSetTextEventDelegate(IntPtr node, IntPtr text, ref SeString? overwrite);
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internal event AtkTextNodeSetTextEventDelegate? AtkTextNodeSetText;
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private Plugin Plugin { get; }
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private IntPtr First { get; }
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private IntPtr Last { get; }
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internal GameFunctions(Plugin plugin) {
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this.Plugin = plugin;
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this.Utf8StringCtor = Marshal.GetDelegateForFunctionPointer<Utf8StringCtorDelegate>(this.Plugin.SigScanner.ScanText(Signatures.Utf8StringCtor));
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this.Utf8StringDtor = Marshal.GetDelegateForFunctionPointer<Utf8StringDtorDelegate>(this.Plugin.SigScanner.ScanText(Signatures.Utf8StringDtor));
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this.InternalGenerateName = Marshal.GetDelegateForFunctionPointer<GenerateNameDelegate>(this.Plugin.SigScanner.ScanText(Signatures.GenerateName));
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this.LoadExd = Marshal.GetDelegateForFunctionPointer<LoadExdDelegate>(this.Plugin.SigScanner.ScanText(Signatures.LoadExd));
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this.AtkTextNodeSetTextHook = new Hook<AtkTextNodeSetTextDelegate>(
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this.Plugin.SigScanner.ScanText(Signatures.AtkTextNodeSetText),
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this.OnAtkTextNodeSetText
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);
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this.AtkTextNodeSetTextHook.Enable();
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this.First = Marshal.AllocHGlobal(128);
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this.Last = Marshal.AllocHGlobal(128);
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this.Utf8StringCtor(this.First);
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this.Utf8StringCtor(this.Last);
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}
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public void Dispose() {
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this.Utf8StringDtor(this.Last);
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this.Utf8StringDtor(this.First);
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Marshal.FreeHGlobal(this.Last);
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Marshal.FreeHGlobal(this.First);
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this.AtkTextNodeSetTextHook.Dispose();
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}
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private unsafe void OnAtkTextNodeSetText(IntPtr node, IntPtr text) {
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SeString? overwrite = null;
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this.AtkTextNodeSetText?.Invoke(node, text, ref overwrite);
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if (overwrite != null) {
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fixed (byte* newText = overwrite.Encode().Terminate()) {
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this.AtkTextNodeSetTextHook.Original(node, (IntPtr) newText);
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}
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return;
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}
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this.AtkTextNodeSetTextHook.Original(node, text);
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}
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public string? GenerateName(int race, int clan, int gender) {
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this.InternalGenerateName(race, clan, gender, this.First, this.Last);
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var first = Marshal.PtrToStringUTF8(Marshal.ReadIntPtr(this.First));
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var last = Marshal.PtrToStringUTF8(Marshal.ReadIntPtr(this.Last));
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if (string.IsNullOrEmpty(first) || string.IsNullOrEmpty(last)) {
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return null;
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}
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return $"{first} {last}";
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}
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public unsafe void LoadSheet(string name) {
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var ui = this.Plugin.Common.Functions.GetUiModule();
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var getExcelModulePtr = *(*(IntPtr**) ui + 5);
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var getExcelModule = Marshal.GetDelegateForFunctionPointer<GetExcelModuleDelegate>(getExcelModulePtr);
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var excelModule = getExcelModule(ui);
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var exdModule = *(IntPtr*) (excelModule + 8);
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var excel = *(IntPtr*) (exdModule + 0x20);
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this.LoadExd(excel, name, 0, 1);
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}
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}
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}
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