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Assets/com.rlabrecque.steamworks.net/Editor/RedistCopy.cs

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+// This file is provided under The MIT License as part of Steamworks.NET.
+// Copyright (c) 2013-2022 Riley Labrecque
+// Please see the included LICENSE.txt for additional information.
+
+#if !(UNITY_STANDALONE_WIN || UNITY_STANDALONE_LINUX || UNITY_STANDALONE_OSX || STEAMWORKS_WIN || STEAMWORKS_LIN_OSX)
+#define DISABLESTEAMWORKS
+#endif
+
+#if !DISABLESTEAMWORKS
+
+using UnityEngine;
+using UnityEditor;
+using UnityEditor.Callbacks;
+using System.IO;
+using Steamworks;
+
+public class RedistCopy {
+	[PostProcessBuild]
+	public static void OnPostprocessBuild(BuildTarget target, string pathToBuiltProject) {
+		// We only want to do this on Steam supported platforms.
+		if ((target != BuildTarget.StandaloneWindows) && (target != BuildTarget.StandaloneWindows64) && (target != BuildTarget.StandaloneLinux64)) {
+			return;
+		}
+
+		CopyDebugInfo(target, pathToBuiltProject);
+
+		DeleteOldSteamApiDlls(target, pathToBuiltProject);
+	}
+
+	static void CopyDebugInfo(BuildTarget target, string pathToBuiltProject) {
+		string baseDir = Path.Combine(Path.GetDirectoryName(pathToBuiltProject), Path.GetFileNameWithoutExtension(pathToBuiltProject) + "_Data");
+		string pluginsDir = Path.Combine(baseDir, "Plugins");
+
+		// Create if it doesn't exist yet
+		Directory.CreateDirectory(pluginsDir);
+
+		string[] DebugInfo = {
+			"Steamworks.NET created by Riley Labrecque",
+			"http://steamworks.github.io",
+			"",
+			"Steamworks.NET Version: " + Steamworks.Version.SteamworksNETVersion,
+			"Steamworks SDK Version: " + Steamworks.Version.SteamworksSDKVersion,
+			"Steam API DLL Version:  " + Steamworks.Version.SteamAPIDLLVersion,
+			"Steam API DLL Size:     " + Steamworks.Version.SteamAPIDLLSize,
+			"Steam API64 DLL Size:   " + Steamworks.Version.SteamAPI64DLLSize,
+			""
+		};
+		File.WriteAllLines(Path.Combine(pluginsDir, "Steamworks.NET.txt"), DebugInfo);
+	}
+
+	static void DeleteOldSteamApiDlls(BuildTarget target, string pathToBuiltProject) {
+		string strDllPath = Path.Combine(pathToBuiltProject, "steam_api.dll");
+		if (File.Exists(strDllPath)) {
+			try {
+				File.Delete(strDllPath);
+			}
+			catch (System.Exception e) {
+				Debug.LogWarning($"[Steamworks.NET] Attempted to delete an old copy of 'steam_api.dll' in the following location: '{strDllPath}', but could not due to the following exception:");
+				Debug.LogException(e);
+			}
+		}
+
+		string strDll64Path = Path.Combine(pathToBuiltProject, "steam_api64.dll");
+		if (File.Exists(strDll64Path)) {
+			try {
+				File.Delete(strDll64Path);
+			}
+			catch (System.Exception e) {
+				Debug.LogWarning($"[Steamworks.NET] Attempted to delete an old copy of 'steam_api64.dll' in the following location: '{strDll64Path}', but could not due to the following exception:");
+				Debug.LogException(e);
+			}
+		}
+	}
+}
+
+#endif // !DISABLESTEAMWORKS

Assets/com.rlabrecque.steamworks.net/Editor/RedistCopy.cs.meta

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Assets/com.rlabrecque.steamworks.net/Editor/RedistInstall.cs

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+// This file is provided under The MIT License as part of Steamworks.NET.
+// Copyright (c) 2013-2022 Riley Labrecque
+// Please see the included LICENSE.txt for additional information.
+
+using UnityEngine;
+using UnityEditor;
+using System.IO;
+using System.Collections.Generic;
+
+// This copies various files into their required locations when Unity is launched to make installation a breeze.
+[InitializeOnLoad]
+public class RedistInstall {
+	static RedistInstall() {
+		WriteSteamAppIdTxtFile();
+		AddDefineSymbols();
+		CheckForOldDlls();
+	}
+
+	static void WriteSteamAppIdTxtFile() {
+		string strCWDPath = Directory.GetCurrentDirectory();
+		string strSteamAppIdPath = Path.Combine(strCWDPath, "steam_appid.txt");
+
+		// If the steam_appid.txt file already exists, then there's nothing to do.
+		if (File.Exists(strSteamAppIdPath)) {
+			return;
+		}
+
+		Debug.Log("[Steamworks.NET] 'steam_appid.txt' is not present in the project root. Writing...");
+
+		try {
+			StreamWriter appIdFile = File.CreateText(strSteamAppIdPath);
+			appIdFile.Write("480");
+			appIdFile.Close();
+
+			Debug.Log("[Steamworks.NET] Successfully copied 'steam_appid.txt' into the project root.");
+		}
+		catch (System.Exception e) {
+			Debug.LogWarning("[Steamworks.NET] Could not copy 'steam_appid.txt' into the project root. Please place 'steam_appid.txt' into the project root manually.");
+			Debug.LogException(e);
+		}
+	}
+
+	static void CheckForOldDlls() {
+		string strCwdPath = Directory.GetCurrentDirectory();
+
+		// Unfortunately we can't just delete these outright because Unity loads the dlls in the project root instantly and Windows won't let us delete them because they are in use.
+
+		string strDllPath = Path.Combine(strCwdPath, "steam_api.dll");
+		if (File.Exists(strDllPath)) {
+			Debug.LogError("[Steamworks.NET] Please delete the old version of 'steam_api.dll' in your project root before continuing.");
+		}
+
+		string strDll64Path = Path.Combine(strCwdPath, "steam_api64.dll");
+		if (File.Exists(strDll64Path)) {
+			Debug.LogError("[Steamworks.NET] Please delete the old version of 'steam_api64.dll' in your project root before continuing.");
+		}
+	}
+
+	static void AddDefineSymbols() {
+		string currentDefines = PlayerSettings.GetScriptingDefineSymbolsForGroup(EditorUserBuildSettings.selectedBuildTargetGroup);
+		HashSet<string> defines = new HashSet<string>(currentDefines.Split(';')) {
+			"STEAMWORKS_NET"
+		};
+
+		string newDefines = string.Join(";", defines);
+		if (newDefines != currentDefines) {
+			PlayerSettings.SetScriptingDefineSymbolsForGroup(EditorUserBuildSettings.selectedBuildTargetGroup, newDefines);
+		}
+	}
+}

Assets/com.rlabrecque.steamworks.net/Editor/RedistInstall.cs.meta

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Assets/com.rlabrecque.steamworks.net/Editor/com.rlabrecque.steamworks.net.editor.asmdef

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+    "versionDefines": [],
+    "noEngineReferences": false
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