Discussing the article: "Can DOOM Run in MetaTrader 5: DLLs, Rendering, and MQL5 Input?"
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Check out the new article: Can DOOM Run in MetaTrader 5: DLLs, Rendering, and MQL5 Input?.
This article demonstrates how to run DOOM inside MetaTrader 5 by integrating a native Windows DLL with an MQL5 Expert Advisor. We cover building the DLL, real-time framebuffer rendering via ResourceCreate, keyboard input with a key-up workaround using GetAsyncKeyState, and running the game loop on a background thread. The techniques are directly applicable to custom visualization, external data bridges, and robust MQL5–native code integration.
There is a beloved tradition in the tech world known as "Can it run DOOM?" Since id Software released the source code to the original 1993 DOOM engine, programmers have ported it to just about everything imaginable: pregnancy tests, ATMs, tractors, digital cameras, and even inside Minecraft. The challenge is simple — if a device has a screen and some form of input, someone will try to run DOOM on it. MetaTrader 5, with its chart window, bitmap rendering capabilities, and DLL integration, is a worthy candidate.
This article is not just about the novelty. Getting DOOM running inside a trading terminal teaches practical MQL5 skills. These include building and integrating custom Windows DLLs, rendering pixels on charts in real time using ResourceCreate, handling keyboard input despite MQL5 limitations, and managing background threads safely from an Expert Advisor. Whether you ever plan to run a game in your terminal or not, the techniques covered here are directly applicable to custom visualization tools, external data bridges, and any project that requires tight integration between MQL5 and native code.
Author: Muhammad Minhas Qamar