chore: initial commit

.gitignore

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+## Ignore Visual Studio temporary files, build results, and
+## files generated by popular Visual Studio add-ons.
+##
+## Get latest from https://github.com/github/gitignore/blob/master/VisualStudio.gitignore
+
+# Packaging
+pack/
+
+# User-specific files
+*.rsuser
+*.suo
+*.user
+*.userosscache
+*.sln.docstates
+
+# User-specific files (MonoDevelop/Xamarin Studio)
+*.userprefs
+
+# Mono auto generated files
+mono_crash.*
+
+# Build results
+[Dd]ebug/
+[Dd]ebugPublic/
+[Rr]elease/
+[Rr]eleases/
+x64/
+x86/
+[Ww][Ii][Nn]32/
+[Aa][Rr][Mm]/
+[Aa][Rr][Mm]64/
+bld/
+[Bb]in/
+[Oo]bj/
+[Ll]og/
+[Ll]ogs/
+
+# Visual Studio 2015/2017 cache/options directory
+.vs/
+# Uncomment if you have tasks that create the project's static files in wwwroot
+#wwwroot/
+
+# Visual Studio 2017 auto generated files
+Generated\ Files/
+
+# MSTest test Results
+[Tt]est[Rr]esult*/
+[Bb]uild[Ll]og.*
+
+# NUnit
+*.VisualState.xml
+TestResult.xml
+nunit-*.xml
+
+# Build Results of an ATL Project
+[Dd]ebugPS/
+[Rr]eleasePS/
+dlldata.c
+
+# Benchmark Results
+BenchmarkDotNet.Artifacts/
+
+# .NET Core
+project.lock.json
+project.fragment.lock.json
+artifacts/
+
+# ASP.NET Scaffolding
+ScaffoldingReadMe.txt
+
+# StyleCop
+StyleCopReport.xml
+
+# Files built by Visual Studio
+*_i.c
+*_p.c
+*_h.h
+*.ilk
+*.meta
+*.obj
+*.iobj
+*.pch
+*.pdb
+*.ipdb
+*.pgc
+*.pgd
+*.rsp
+*.sbr
+*.tlb
+*.tli
+*.tlh
+*.tmp
+*.tmp_proj
+*_wpftmp.csproj
+*.log
+*.vspscc
+*.vssscc
+.builds
+*.pidb
+*.svclog
+*.scc
+
+# Chutzpah Test files
+_Chutzpah*
+
+# Visual C++ cache files
+ipch/
+*.aps
+*.ncb
+*.opendb
+*.opensdf
+*.sdf
+*.cachefile
+*.VC.db
+*.VC.VC.opendb
+
+# Visual Studio profiler
+*.psess
+*.vsp
+*.vspx
+*.sap
+
+# Visual Studio Trace Files
+*.e2e
+
+# TFS 2012 Local Workspace
+$tf/
+
+# Guidance Automation Toolkit
+*.gpState
+
+# ReSharper is a .NET coding add-in
+_ReSharper*/
+*.[Rr]e[Ss]harper
+*.DotSettings.user
+
+# TeamCity is a build add-in
+_TeamCity*
+
+# DotCover is a Code Coverage Tool
+*.dotCover
+
+# AxoCover is a Code Coverage Tool
+.axoCover/*
+!.axoCover/settings.json
+
+# Coverlet is a free, cross platform Code Coverage Tool
+coverage*.json
+coverage*.xml
+coverage*.info
+
+# Visual Studio code coverage results
+*.coverage
+*.coveragexml
+
+# NCrunch
+_NCrunch_*
+.*crunch*.local.xml
+nCrunchTemp_*
+
+# MightyMoose
+*.mm.*
+AutoTest.Net/
+
+# Web workbench (sass)
+.sass-cache/
+
+# Installshield output folder
+[Ee]xpress/
+
+# DocProject is a documentation generator add-in
+DocProject/buildhelp/
+DocProject/Help/*.HxT
+DocProject/Help/*.HxC
+DocProject/Help/*.hhc
+DocProject/Help/*.hhk
+DocProject/Help/*.hhp
+DocProject/Help/Html2
+DocProject/Help/html
+
+# Click-Once directory
+publish/
+
+# Publish Web Output
+*.[Pp]ublish.xml
+*.azurePubxml
+# Note: Comment the next line if you want to checkin your web deploy settings,
+# but database connection strings (with potential passwords) will be unencrypted
+*.pubxml
+*.publishproj
+
+# Microsoft Azure Web App publish settings. Comment the next line if you want to
+# checkin your Azure Web App publish settings, but sensitive information contained
+# in these scripts will be unencrypted
+PublishScripts/
+
+# NuGet Packages
+*.nupkg
+# NuGet Symbol Packages
+*.snupkg
+# The packages folder can be ignored because of Package Restore
+**/[Pp]ackages/*
+# except build/, which is used as an MSBuild target.
+!**/[Pp]ackages/build/
+# Uncomment if necessary however generally it will be regenerated when needed
+#!**/[Pp]ackages/repositories.config
+# NuGet v3's project.json files produces more ignorable files
+*.nuget.props
+*.nuget.targets
+
+# Microsoft Azure Build Output
+csx/
+*.build.csdef
+
+# Microsoft Azure Emulator
+ecf/
+rcf/
+
+# Windows Store app package directories and files
+AppPackages/
+BundleArtifacts/
+Package.StoreAssociation.xml
+_pkginfo.txt
+*.appx
+*.appxbundle
+*.appxupload
+
+# Visual Studio cache files
+# files ending in .cache can be ignored
+*.[Cc]ache
+# but keep track of directories ending in .cache
+!?*.[Cc]ache/
+
+# Others
+ClientBin/
+~$*
+*~
+*.dbmdl
+*.dbproj.schemaview
+*.jfm
+*.pfx
+*.publishsettings
+orleans.codegen.cs
+
+# Including strong name files can present a security risk
+# (https://github.com/github/gitignore/pull/2483#issue-259490424)
+#*.snk
+
+# Since there are multiple workflows, uncomment next line to ignore bower_components
+# (https://github.com/github/gitignore/pull/1529#issuecomment-104372622)
+#bower_components/
+
+# RIA/Silverlight projects
+Generated_Code/
+
+# Backup & report files from converting an old project file
+# to a newer Visual Studio version. Backup files are not needed,
+# because we have git ;-)
+_UpgradeReport_Files/
+Backup*/
+UpgradeLog*.XML
+UpgradeLog*.htm
+ServiceFabricBackup/
+*.rptproj.bak
+
+# SQL Server files
+*.mdf
+*.ldf
+*.ndf
+
+# Business Intelligence projects
+*.rdl.data
+*.bim.layout
+*.bim_*.settings
+*.rptproj.rsuser
+*- [Bb]ackup.rdl
+*- [Bb]ackup ([0-9]).rdl
+*- [Bb]ackup ([0-9][0-9]).rdl
+
+# Microsoft Fakes
+FakesAssemblies/
+
+# GhostDoc plugin setting file
+*.GhostDoc.xml
+
+# Node.js Tools for Visual Studio
+.ntvs_analysis.dat
+node_modules/
+
+# Visual Studio 6 build log
+*.plg
+
+# Visual Studio 6 workspace options file
+*.opt
+
+# Visual Studio 6 auto-generated workspace file (contains which files were open etc.)
+*.vbw
+
+# Visual Studio LightSwitch build output
+**/*.HTMLClient/GeneratedArtifacts
+**/*.DesktopClient/GeneratedArtifacts
+**/*.DesktopClient/ModelManifest.xml
+**/*.Server/GeneratedArtifacts
+**/*.Server/ModelManifest.xml
+_Pvt_Extensions
+
+# Paket dependency manager
+.paket/paket.exe
+paket-files/
+
+# FAKE - F# Make
+.fake/
+
+# CodeRush personal settings
+.cr/personal
+
+# Python Tools for Visual Studio (PTVS)
+__pycache__/
+*.pyc
+
+# Cake - Uncomment if you are using it
+# tools/**
+# !tools/packages.config
+
+# Tabs Studio
+*.tss
+
+# Telerik's JustMock configuration file
+*.jmconfig
+
+# BizTalk build output
+*.btp.cs
+*.btm.cs
+*.odx.cs
+*.xsd.cs
+
+# OpenCover UI analysis results
+OpenCover/
+
+# Azure Stream Analytics local run output
+ASALocalRun/
+
+# MSBuild Binary and Structured Log
+*.binlog
+
+# NVidia Nsight GPU debugger configuration file
+*.nvuser
+
+# MFractors (Xamarin productivity tool) working folder
+.mfractor/
+
+# Local History for Visual Studio
+.localhistory/
+
+# BeatPulse healthcheck temp database
+healthchecksdb
+
+# Backup folder for Package Reference Convert tool in Visual Studio 2017
+MigrationBackup/
+
+# Ionide (cross platform F# VS Code tools) working folder
+.ionide/
+
+# Fody - auto-generated XML schema
+FodyWeavers.xsd

XivCommon.sln

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+
+Microsoft Visual Studio Solution File, Format Version 12.00
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "XivCommon", "XivCommon\XivCommon.csproj", "{83659925-02EA-468D-9C61-DFA657BD27CF}"
+EndProject
+Global
+	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+		Debug|Any CPU = Debug|Any CPU
+		Release|Any CPU = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(ProjectConfigurationPlatforms) = postSolution
+		{83659925-02EA-468D-9C61-DFA657BD27CF}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{83659925-02EA-468D-9C61-DFA657BD27CF}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{83659925-02EA-468D-9C61-DFA657BD27CF}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{83659925-02EA-468D-9C61-DFA657BD27CF}.Release|Any CPU.Build.0 = Release|Any CPU
+	EndGlobalSection
+EndGlobal

XivCommon/Functions/Chat.cs

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+using System;
+using System.Diagnostics.CodeAnalysis;
+using System.Runtime.InteropServices;
+using System.Text;
+using Dalamud.Game;
+
+namespace XivCommon.Functions {
+    public class Chat {
+        private GameFunctions Functions { get; }
+
+        private delegate void ProcessChatBoxDelegate(IntPtr uiModule, IntPtr message, IntPtr unused, byte a4);
+
+        private ProcessChatBoxDelegate ProcessChatBox { get; }
+
+        internal Chat(GameFunctions functions, SigScanner scanner) {
+            this.Functions = functions;
+
+            var processChatBoxPtr = scanner.ScanText("48 89 5C 24 ?? 57 48 83 EC 20 48 8B FA 48 8B D9 45 84 C9");
+            this.ProcessChatBox = Marshal.GetDelegateForFunctionPointer<ProcessChatBoxDelegate>(processChatBoxPtr);
+        }
+
+        public void SendMessage(string message) {
+            var uiModule = this.Functions.GetUiModule();
+
+            using var payload = new ChatPayload(message);
+            var mem1 = Marshal.AllocHGlobal(400);
+            Marshal.StructureToPtr(payload, mem1, false);
+
+            this.ProcessChatBox(uiModule, mem1, IntPtr.Zero, 0);
+
+            Marshal.FreeHGlobal(mem1);
+        }
+
+        [StructLayout(LayoutKind.Explicit)]
+        [SuppressMessage("ReSharper", "PrivateFieldCanBeConvertedToLocalVariable")]
+        private readonly struct ChatPayload : IDisposable {
+            [FieldOffset(0)]
+            private readonly IntPtr textPtr;
+
+            [FieldOffset(16)]
+            private readonly ulong textLen;
+
+            [FieldOffset(8)]
+            private readonly ulong unk1;
+
+            [FieldOffset(24)]
+            private readonly ulong unk2;
+
+            internal ChatPayload(string text) {
+                var stringBytes = Encoding.UTF8.GetBytes(text);
+                this.textPtr = Marshal.AllocHGlobal(stringBytes.Length + 30);
+                Marshal.Copy(stringBytes, 0, this.textPtr, stringBytes.Length);
+                Marshal.WriteByte(this.textPtr + stringBytes.Length, 0);
+
+                this.textLen = (ulong) (stringBytes.Length + 1);
+
+                this.unk1 = 64;
+                this.unk2 = 0;
+            }
+
+            public void Dispose() {
+                Marshal.FreeHGlobal(this.textPtr);
+            }
+        }
+    }
+}

XivCommon/Functions/PartyFinder.cs

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+using System;
+using System.Runtime.InteropServices;
+using Dalamud.Game;
+using Dalamud.Game.Internal.Gui;
+using Dalamud.Hooking;
+
+namespace XivCommon.Functions {
+    public class PartyFinder : IDisposable {
+        private delegate byte RequestPartyFinderListingsDelegate(IntPtr agent, byte categoryIdx);
+
+        private RequestPartyFinderListingsDelegate RequestPartyFinderListings { get; }
+        private Hook<RequestPartyFinderListingsDelegate> RequestPfListingsHook { get; }
+
+        private IntPtr PartyFinderAgent { get; set; } = IntPtr.Zero;
+
+        internal PartyFinder(SigScanner scanner) {
+            var requestPfPtr = scanner.ScanText("48 89 5C 24 ?? 48 89 74 24 ?? 57 48 83 EC 40 0F 10 81 ?? ?? ?? ??");
+
+            this.RequestPartyFinderListings = Marshal.GetDelegateForFunctionPointer<RequestPartyFinderListingsDelegate>(requestPfPtr);
+            this.RequestPfListingsHook = new Hook<RequestPartyFinderListingsDelegate>(requestPfPtr, new RequestPartyFinderListingsDelegate(this.OnRequestPartyFinderListings));
+            this.RequestPfListingsHook.Enable();
+        }
+
+        public void Dispose() {
+            this.RequestPfListingsHook.Dispose();
+        }
+
+        private byte OnRequestPartyFinderListings(IntPtr agent, byte categoryIdx) {
+            this.PartyFinderAgent = agent;
+            return this.RequestPfListingsHook.Original(agent, categoryIdx);
+        }
+
+        public void RefreshListings() {
+            // Updated 5.41
+            const int categoryOffset = 10_655;
+
+            if (this.PartyFinderAgent == IntPtr.Zero) {
+                return;
+            }
+
+            var categoryIdx = Marshal.ReadByte(this.PartyFinderAgent + categoryOffset);
+            this.RequestPartyFinderListings(this.PartyFinderAgent, categoryIdx);
+        }
+    }
+}

XivCommon/Functions/Toast.cs

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+using System;
+using System.Runtime.InteropServices;
+using System.Text;
+using Dalamud.Game;
+using Dalamud.Game.Text.SeStringHandling;
+
+namespace XivCommon.Functions {
+    public class Toast {
+        private GameFunctions Functions { get; }
+
+        private delegate IntPtr ShowToastDelegate(IntPtr manager, IntPtr text, int layer, byte bool1, byte bool2, int logMessageId);
+
+        private ShowToastDelegate ShowToast { get; }
+
+        internal Toast(GameFunctions functions, SigScanner scanner) {
+            this.Functions = functions;
+
+            var showToast = scanner.ScanText("48 89 5C 24 ?? 48 89 6C 24 ?? 48 89 74 24 ?? 57 48 83 EC 30 83 3D ?? ?? ?? ?? ??");
+            this.ShowToast = Marshal.GetDelegateForFunctionPointer<ShowToastDelegate>(showToast);
+        }
+
+        public void Show(string message) {
+            this.Show(Encoding.UTF8.GetBytes(message));
+        }
+
+        public void Show(SeString message) {
+            this.Show(message.Encode());
+        }
+
+        private void Show(byte[] bytes) {
+            var manager = this.Functions.GetUiModule();
+
+            unsafe {
+                fixed (byte* ptr = bytes) {
+                    this.ShowToast(manager, (IntPtr) ptr, 5, 0, 1, 0);
+                }
+            }
+        }
+    }
+}

XivCommon/GameFunctions.cs

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+using System;
+using System.Runtime.InteropServices;
+using Dalamud.Game;
+using XivCommon.Functions;
+
+namespace XivCommon {
+    public class GameFunctions : IDisposable {
+        private IntPtr UiModulePtr { get; }
+
+        private delegate IntPtr GetUiModuleDelegate(IntPtr basePtr);
+
+        private GetUiModuleDelegate InternalGetUiModule { get; }
+
+        public Toast Toast { get; }
+        public Chat Chat { get; }
+        public PartyFinder PartyFinder { get; }
+
+        internal GameFunctions(SigScanner scanner) {
+            this.UiModulePtr = scanner.GetStaticAddressFromSig("48 8B 0D ?? ?? ?? ?? 48 8D 54 24 ?? 48 83 C1 10 E8 ?? ?? ?? ??");
+
+            var getUiModulePtr = scanner.ScanText("E8 ?? ?? ?? ?? 83 3B 01");
+            this.InternalGetUiModule = Marshal.GetDelegateForFunctionPointer<GetUiModuleDelegate>(getUiModulePtr);
+
+            this.Toast = new Toast(this, scanner);
+            this.Chat = new Chat(this, scanner);
+            this.PartyFinder = new PartyFinder(scanner);
+        }
+
+        public void Dispose() {
+            this.PartyFinder.Dispose();
+        }
+
+        public IntPtr GetUiModule() {
+            return this.InternalGetUiModule(Marshal.ReadIntPtr(this.UiModulePtr));
+        }
+    }
+}

XivCommon/XivCommon.csproj

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+<Project Sdk="Microsoft.NET.Sdk">
+
+    <PropertyGroup>
+        <TargetFramework>net48</TargetFramework>
+        <LangVersion>latest</LangVersion>
+        <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
+        <Nullable>enable</Nullable>
+    </PropertyGroup>
+
+    <ItemGroup>
+        <Reference Include="Dalamud, Version=5.2.4.2, Culture=neutral, PublicKeyToken=null">
+            <HintPath>$(AppData)\XIVLauncher\addon\Hooks\dev\Dalamud.dll</HintPath>
+            <Private>False</Private>
+        </Reference>
+    </ItemGroup>
+
+</Project>

XivCommon/XivCommonBase.cs

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+using System;
+using Dalamud.Game;
+
+namespace XivCommon {
+    public class XivCommonBase : IDisposable {
+        public GameFunctions Functions { get; }
+
+        public XivCommonBase(SigScanner scanner) {
+            this.Functions = new GameFunctions(scanner);
+        }
+
+        public void Dispose() {
+            this.Functions.Dispose();
+        }
+    }
+}