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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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43
examples/the-dungeon-puzzlers-lament/src/game/simulation/entity.rs
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@ -315,36 +315,35 @@ impl EntityMap {
.map
.iter()
.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<_>>();
entities_to_try_update.sort_unstable_by_key(|(e, _)| {
let e = self.map.get(*e).unwrap();
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()
{
match desired_action {
Action::Nothing => {}
Action::Direction(direction) => {
let (_, hero_has_died_result, win_has_triggered_result) = self
.attempt_move_in_direction(
map,
&mut animations,
entity_to_update_key,
direction,
true,
self.map
.get(entity_to_update_key)
.and_then(|e| e.push_depth())
.unwrap_or(0),
);
let entities_to_try_update = entities_to_try_update;
hero_has_died |= hero_has_died_result;
win_has_triggered |= win_has_triggered_result;
}
}
for (entity_to_update_key, direction) in entities_to_try_update.iter().copied() {
let (_, hero_has_died_result, win_has_triggered_result) = self
.attempt_move_in_direction(
map,
&mut animations,
entity_to_update_key,
direction,
true,
self.map
.get(entity_to_update_key)
.and_then(|e| e.push_depth())
.unwrap_or(0),
);
hero_has_died |= hero_has_died_result;
win_has_triggered |= win_has_triggered_result;
}
(