Install AirSim and Unreal Engine 4 using the instructions from the official website. Pytorch can be installed from the instructions given here.
Other dependencies can be installed using the following line of command

pip install --user -r requirements.txt

Train using DQN from the following command

python main.py --batch_size 32 --num_frames 10000000

Train using dueling DQN from the following command

python main.py --batch_size 32 --num_frames 10000000 --dueling

Load previously trained model to restart training

python main.py --batch_size 32 --num_frames 10000000 --load_model --model_path \path\to\model --optimizer_path \path\to\optimizer

Add a different environment by adding environment class in main.py

The network could be modified in network.py

The environment class is inspired by the works of Subin Yang

Varun Pawar