fixed pathfinding on unwalkable nodes
been awhile since last commit. working on mouse hover cursors
cursors change depending on character mouse hover
enemies are now selectable
player can attack enemies
added movemnet markers
starting working on building placemnets
got the starting tile for building graph updates
progress on updating grid graph and sleep time
ok last commit before sleep but was trying a new way of updating graphs
see
added archer tower and cleaned up some code