diff --git a/src/library_loader.h b/src/library_loader.h
new file mode 100644
--- /dev/null
+++ b/src/library_loader.h
@@ -0,0 +1,112 @@
+/*
+ * This file is part of OpenTTD.
+ * OpenTTD is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, version 2.
+ * OpenTTD is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+ * See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with OpenTTD. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+/** @file library_loader.h Functions/types related to loading libraries dynamically. */
+
+#ifndef LIBRARY_LOADER_H
+#define LIBRARY_LOADER_H
+
+class LibraryLoader {
+public:
+	/**
+	 * A function loaded from a library.
+	 *
+	 * Will automatically cast to the correct function pointer type on retrieval.
+	 */
+	class Function {
+	public:
+		explicit Function(void *p) : p(p) {}
+
+		template <typename T, typename = std::enable_if_t<std::is_function_v<T>>>
+		operator T *() const
+		{
+			return reinterpret_cast<T *>(this->p);
+		}
+
+	private:
+		void *p;
+	};
+
+	/**
+	 * Load a library with the given filename.
+	 */
+	explicit LibraryLoader(const std::string &filename)
+	{
+		this->handle = this->OpenLibrary(filename);
+	}
+
+	/**
+	 * Close the library.
+	 */
+	~LibraryLoader()
+	{
+		if (this->handle != nullptr) {
+			this->CloseLibrary();
+		}
+	}
+
+	/**
+	 * Check whether an error occurred while loading the library or a function.
+	 *
+	 * @return Whether an error occurred.
+	 */
+	bool HasError()
+	{
+		return this->error.has_value();
+	}
+
+	/**
+	 * Get the last error that occurred while loading the library or a function.
+	 *
+	 * @return The error message.
+	 */
+	std::string GetLastError()
+	{
+		return this->error.value_or("No error");
+	}
+
+	/**
+	 * Get a function from a loaded library.
+	 *
+	 * @param symbol_name The name of the function to get.
+	 * @return The function. Check HasError() before using.
+	 */
+	Function GetFunction(const std::string &symbol_name)
+	{
+		if (this->error.has_value()) return Function(nullptr);
+		return Function(this->GetSymbol(symbol_name));
+	}
+
+private:
+	/**
+	 * Open the library with the given filename.
+	 *
+	 * Should set error if any error occurred.
+	 *
+	 * @param filename The filename of the library to open.
+	 */
+	void *OpenLibrary(const std::string &filename);
+
+	/**
+	 * Close the library.
+	 */
+	void CloseLibrary();
+
+	/**
+	 * Get a symbol from the library.
+	 *
+	 * Should set error if any error occurred.
+	 *
+	 * @param symbol_name The name of the symbol to get.
+	 */
+	void *GetSymbol(const std::string &symbol_name);
+
+	std::optional<std::string> error = {}; ///< The last error that occurred, if set.
+	void *handle = nullptr; ///< Handle to the library.
+};
+
+#endif /* LIBRARY_LOADER_H */