The path-blocking works perfectly.

However, the Player's intelligence about finding away around blocks, is current very limited.


Here is what it does successfully:
Successfully finds a path from start ptslike "#" to dest pts like "%
# = start pt
% = dest pt
W = water block tile
S, B, D, G = non block tiles


SS#SSSSSSSSSSSSSSS#SSSSSW
SSSSSSSSSSSSSSSSSSSSSSSSW
WWWWWBBBBBBBBBWWWWWWWWWWW
GGGGGGGGG%GGGGGGGGGGGW
DDDDDDDDD%DDDDDDDDDDGW
GGGGGGGGGGGGGGGGGGGGGW

SSSSSSSSS%SSSSSSSSSSSSSSW
SSSSSSSSS%SSSSSSSSSSSSSSW
WWWWWBBBBBBBBBWWWWWWWWWWW
GGGGGGGGGGGGGGGGGGGGGW
DD#DDDDDDDDDDDDDD#DDGW
GGGGGGGGGGGGGGGGGGGGGW

