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simplify entity update loop

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Corwin 2023-08-28 14:00:39 +01:00
parent 0b45c006c8
commit 2a02da1c2f
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1 changed files with 21 additions and 22 deletions
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15
examples/the-dungeon-puzzlers-lament/src/game/simulation/entity.rs
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@ -315,19 +315,20 @@ impl EntityMap {
.map .map
.iter() .iter()
.map(|(key, entity)| (key, entity.desired_action(hero))) .map(|(key, entity)| (key, entity.desired_action(hero)))
.filter_map(|(key, action)| match action {
Action::Nothing => None,
Action::Direction(direction) => Some((key, direction)),
})
.collect::<Vec<_>>(); .collect::<Vec<_>>();
entities_to_try_update.sort_unstable_by_key(|(e, _)| { entities_to_try_update.sort_unstable_by_key(|(e, _)| {
let e = self.map.get(*e).unwrap(); let e = self.map.get(*e).unwrap();
e.location.x + e.location.y * 1000 e.location.x + e.location.y * 1000
}); });
let mut entities_to_try_update = VecDeque::from(entities_to_try_update);
while let Some((entity_to_update_key, desired_action)) = entities_to_try_update.pop_front() let entities_to_try_update = entities_to_try_update;
{
match desired_action { for (entity_to_update_key, direction) in entities_to_try_update.iter().copied() {
Action::Nothing => {}
Action::Direction(direction) => {
let (_, hero_has_died_result, win_has_triggered_result) = self let (_, hero_has_died_result, win_has_triggered_result) = self
.attempt_move_in_direction( .attempt_move_in_direction(
map, map,
@ -344,8 +345,6 @@ impl EntityMap {
hero_has_died |= hero_has_died_result; hero_has_died |= hero_has_died_result;
win_has_triggered |= win_has_triggered_result; win_has_triggered |= win_has_triggered_result;
} }
}
}
( (
if hero_has_died { if hero_has_died {