Before diving in, let us familiarize ourselves with a vizdoom environment by seeing a basic example:

1. Let's load the necessary libraries:

from vizdoom import *
import random
import time

2.  Create an instance to the DoomGame:

game = DoomGame() 

3. As we know ViZDoom provides a lot of Doom scenarios, let us load the basic scenario:

game.load_config("basic.cfg")

4. The init() method initializes the game with the scenario:

game.init()

5. Now, let's define the one with hot encoded actions:

shoot = [0, 0, 1]
left = [1, 0, 0]
right = [0, 1, 0]
actions = [shoot, left, right]

6. Now, let us start playing the game:

no_of_episodes = 10

for i in range(no_of_episodes): 
    
    # for each episode start the game
    game.new_episode()
    
    # loop until the episode is over
    while not game.is_episode_finished():
        
        # get the game state
        state = game.get_state()
        img = state.screen_buffer
        
        # get the game variables
        misc = state.game_variables
        

        # perform some action randomly and receive reward
        reward = game.make_action(random.choice(actions))
        
        print(reward)
    
    # we will set some time before starting the next episode
    time.sleep(2)

Once you run the program, you can see the output as follows: