Alpha Paint game

Paint Action

Square being painted must be 1 manhattan distance away (game constant)
Player must have at least 15 stamina (game constant)
Cell must not be owned by the opposing team
Cell must not contain a beacon (for some reason this isn’t considered an invalid move by the python code, just a no-op)
Cell must not contain the max paint (also just a no-op otherwise for some reason, also game constant)

Player must have 10 stamina per prior move + 50 if erasing (game constant)
Note that a powerup on the player’s current square counts towards this requirement
Destination cell must either be in a cardinal direction, or both the player’s current and target cells should be beacons that they control
The destination cell must not be a wall
If placing a beacon, seven of the 9 squares around the destination cell must be controlled by the player and the destination square must be either owned by the player or neutral after move effects/erase is called

If the original square contains a powerup, it is consumed and the stamina is added to the player
Player location is updated
If the player moved through a beacon, then the destination beacon is replaced with a paint layer (game constant)
The destination cell’s paint value is set to zero (if this is an erase move) or decreased by one (if this is a normal move and it is the enemy’s paint)
If the destination cell’s paint value was previously not zero and is now zero, “release square” is called
If the destination cell contains a powerup, it is consumed and the stamina is added to the player
If placing a beacon, additionally do the following:
Reduce paint level for each controlled square in 3x3 area (and call “release square” if the value is now 0)
Increase paint level for each opponent square in the same area
Set the target square to a beacon (and call “claim square”)

increase turn count
switch active player
spawn powerups
apply stamina regeneration to the NEW PLAYER. (e.g. if white calls end turn, we give black its regen)