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Added a failsafe for cases where the walker population randomly dies out

This commit is contained in:
Charles Peyrat 2020-12-07 00:24:31 +01:00
parent 2a1be4233b
commit 7cfe55f42c
1 changed files with 5 additions and 0 deletions
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5
dungeonbattle/mapgeneration/randomwalk.py
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@ -66,6 +66,7 @@ class Generator:
# next iteration of the main loop # next iteration of the main loop
next_walker_pop = [] next_walker_pop = []
failsafe = choice(walkers)
for walker in walkers: for walker in walkers:
if grid[walker.y][walker.x] == Tile.WALL: if grid[walker.y][walker.x] == Tile.WALL:
count += 1 count += 1
@ -76,6 +77,10 @@ class Generator:
if random() > self.params["death_chance"]: if random() > self.params["death_chance"]:
next_walker_pop.append(walker) next_walker_pop.append(walker)
# we make sure to never kill all walkers
if next_walker_pop == []:
next_walker_pop.append(failsafe)
# we use a second loop for spliting so we're not bothered by cases # we use a second loop for spliting so we're not bothered by cases
# like a walker not spliting because we hit the population cap even # like a walker not spliting because we hit the population cap even
# though the next one would have died and freed a place # though the next one would have died and freed a place