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Input Representation

The input representation of the model is defined in the file cpp/src/data_representation.cpp. We represent the agent's observation with 23 feature channels of board size 11x11. The table below summarizes the individual channels.

Category	Id	Description	Values
Obstacles	0 1	wall positions wooden box positions	$\{0,\, 1\}$ $\{0,\, 1\}$
Items	2 3 4	increase bomb count increase bomb strength kick	$\{0,\, 1\}$ $\{0,\, 1\}$ $\{0,\, 1\}$
Bombs	5 6 7 8	position and countdown blast strength horizontal movement vertical movement	$[0,\, 1]$, $0\rightarrow 1$ $[0,\, 1]$ $\{-1,\, 0,\, 1\}$ $\{-1,\, 0,\, 1\}$
Flames	9	position and life	$[0,\, 1]$, $1 \rightarrow 0$
Players	10 11 12 13	position self position relative 1 position relative 2 position relative 3	$\{0,\, 1\}$ $\{0,\, 1\}$ $\{0,\, 1\}$ $\{0,\, 1\}$
Scalar Agent Attributes	14 15 16 17 18 19 20 21 22	bomb strength self bomb count self max bomb count self can kick self alive self alive relative 1 alive relative 2 alive relative 3 environment steps	$[0,\, 1]$ $[0,\, 1]$ $[0,\, 1]$ $\{0,\, 1\}$ $\{0,\, 1\}$ $\{0,\, 1\}$ $\{0,\, 1\}$ $\{0,\, 1\}$ $[0,\, 1]$, $0 \rightarrow 1$