The LoL Patcher is a legacy modding tool for League of Legends, designed primarily for educational and experimental purposes.
It was last updated in February 2020 and aimed to explore cheat mechanisms within the game. While no longer maintained, it offers insight into game modification techniques and programming concepts.
Technical Overview
The LoL Patcher operates by injecting itself into the game process, bypassing traditional executable structures such as PE headers and standard libraries. Its functionality includes:
- Memory Scanning: Conducted externally by an injector to locate specific data.
- Direct3D Hooking: Hooks into the Direct3D C++ Virtual Table to overlay information on the game screen.
- Return-Oriented Programming (ROP): Alters function return addresses for manipulation.
- Compile-Time Encryption: Adds obfuscation to its codebase for enhanced security.
Features
The tool includes several in-game enhancements:
- ESP (Extrasensory Perception): Highlights characters and objects for better visibility.
- Last Hit Helper: Assists players in farming minions efficiently.
- Skill Indicators: Displays skill levels and cooldowns for improved decision-making.
For users interested in compiling the tool, it requires a Linux environment with dependencies like mingw-w64
and nasm
. The build process is straightforward using the make
command.
While the LoL Patcher was created for experimentation and fun, it raises ethical concerns due to its potential misuse for cheating.
Riot Games has strict policies against third-party tools that alter gameplay, as they compromise fair play and integrity.
Although outdated, the LoL Patcher provides a glimpse into how game modifications work at a technical level.
It serves as an example of how tools can be used responsibly for learning but also highlights the risks of misuse in competitive environments.