First release

Program.cs

@@ -1,2 +1,74 @@
-// See https://aka.ms/new-console-template for more information
-Console.WriteLine("Hello, World!");
+using System.Diagnostics;
+using System.Runtime.InteropServices;
+
+const uint PROCESS_VM_READ = 0x10;
+
+[DllImport("kernel32.dll")]
+static extern IntPtr OpenProcess(uint dwDesiredAccess, bool bInheritHandle, uint dwProcessId);
+
+[DllImport("kernel32.dll")]
+static extern bool ReadProcessMemory(IntPtr hProcess, IntPtr lpBaseAddress, byte[] lpBuffer, int dwSize, ref int lpNumberOfBytesRead);
+
+const int NOITA_SEED_VM_ADDRESS = 0xBEE850;
+//const int NOITA_PLAYTIME_VM_ADDRESS = 0x2670;
+//const int NOITA_INGAMETIME_VM_ADDRESS = 0xBF10C0;
+
+Process? noitaProcess = null;
+int seed = 0;
+
+ConsoleColor defaultColor = Console.ForegroundColor;
+
+while (true)
+{
+    #region WaitForNoitaProcess
+    Console.Write($"Waiting for Noita process... ");
+
+    do
+    {
+        IEnumerable<Process> processes = Process.GetProcessesByName("noita")
+            .Where(p => !p.HasExited);
+
+        switch (processes.Count())
+        {
+            case 1:
+                Console.WriteLine("Found!");
+                noitaProcess = processes.First();
+                break;
+            case > 1:
+                Console.ForegroundColor = ConsoleColor.Yellow;
+                Console.WriteLine("Found!");                
+                Console.Error.WriteLine($"Warning: Found ${processes.Count()} Noita processes. Selecting most recent.");
+                Console.ForegroundColor = defaultColor;
+                noitaProcess = processes.OrderByDescending(p => p.StartTime).First();
+                break;
+            default:
+                Thread.Sleep(500);
+                break;
+        }
+    } while (noitaProcess == null);
+    #endregion WaitForNoitaProcess
+
+    #region ReadNoitaSeed
+    IntPtr processHandle = OpenProcess(PROCESS_VM_READ, false, (uint)noitaProcess.Id);
+    IntPtr noitaSeedOffset = IntPtr.Add(noitaProcess.MainModule.BaseAddress, NOITA_SEED_VM_ADDRESS);
+    int bytesRead = 0;
+    byte[] buffer = new byte[8];
+
+    do
+    {
+        ReadProcessMemory(processHandle, noitaSeedOffset, buffer, buffer.Length, ref bytesRead);
+        int currentSeed = BitConverter.ToInt32(buffer, 0);
+
+        if (currentSeed != 0 && currentSeed != seed)
+        {
+            seed = currentSeed;
+
+            Console.ForegroundColor = ConsoleColor.Green;
+            Console.WriteLine($"Seed: {seed} - https://cr4xy.dev/noita/?seed={seed}");
+            Console.ForegroundColor = defaultColor;
+        }
+
+        Thread.Sleep(500);
+    } while (!noitaProcess.HasExited);
+    #endregion ReadNoitaSeed
+}

README.md

@@ -1,2 +1,21 @@
 # noisee
- Reads the seed of your current Noita run from memory.
+
+Reads the seed of your current Noita run from memory.
+
+# How to run
+
+Start noisee.exe before or after you start Noita.
+
+# Build from source
+
+To publish as a single-file binary (requires [.NET 6 Runtime](<https://dotnet.microsoft.com/en-us/download/dotnet/6.0/runtime>)), run
+
+```
+dotnet publish --output "C:\temp\" --runtime win-x64 --configuration Release -p:PublishSingleFile=true --self-contained false
+```
+
+To publish as a single-file and self-contained binary, run
+
+```
+dotnet publish --output "C:\temp\" --runtime win-x64 --configuration Release -p:PublishSingleFile=true -p:PublishTrimmed=true --self-contained true
+```