Wumpus World gym Environment

This package implements the famous wampus world enviornment. Below you can see a sample loaded environment.

#################################
#   .   |   .   |   .   |   .   #
#-------------------------------#
#   W   |   G   |   P   |   .   #
#-------------------------------#
#   .   |   .   |   .   |   .   #
#-------------------------------#
#   ^   |   .   |   P   |   .   #
#################################

The flash shows the agent, while 'W' shows the wumpus, 'P' indicates a pit, and 'G' shows the gold. The goal for the agent is to pickup the gold and get out of the maze from its entry point.

Actions

The actions are as follow:

TurnRight: turns the agent's heading to right
TurnLeft: turns the agent's heading to left
Climb: climbs the wall. The agent can only climbs the wall(s) on its entry point
Forward: the agent moves forward one step based on its current heading
Shoot: the agent shoots an arrow (has only 1 arrow)
Grab: grabs the gold if its on the agent's location

Rewards

The rewards are as follow:

-1: for each performed action
+1000: if the agent leaves with gold
-1000: if the agent dies (gets eaten by the wumpus or falls into a pit)