def placetile(context, x):
'''Current player places a tile at location x, determines resulting chain effects'''
'''This function only ends after all resulting actions have finished, and finishes by filling in the placed tile'''
context['player'][context['cp']]['tilerack'].remove(x)
#determine result:
# Tile has no neighbors: nothing happens
if infos.filled_neighbors(context, x) == []:
context['grid'][x]['filled'] = 1
return
# neighors all of chain x, or some chain x and some unaffiliated: grow chain x
elif len(infos.neighbor_chains(context, x)) == 1:
new = infos.neighbor_chains(context, x)[0]
context['grid'][x]['chain'] = new
adj_chain(context, x, new)
context['grid'][x]['filled'] = 1
# neighbor(s) that are all no chain: new chain
elif len(infos.neighbor_chains(context, x)) == 0:
newchain_at(context, x)
context['grid'][x]['filled'] = 1
# neighbors of more than one chain: MERGER!
elif len(infos.neighbor_chains(context, x)) > 1:
merger_at(context, x)
context['grid'][x]['filled'] = 1
def crawl(context, tile, chain, changed_tiles):
for adj_tile in infos.filled_neighbors(context, tile):
if adj_tile not in changed_tiles:
context['grid'][adj_tile]['chain'] = chain
changed_tiles.append(adj_tile)
crawl(context, adj_tile, chain, changed_tiles)
