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resolve overlaps after all moves

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Corwin 2023-08-29 20:51:42 +01:00
parent d781a41357
commit 346f62f328
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1 changed files with 129 additions and 93 deletions
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222
examples/the-dungeon-puzzlers-lament/src/game/simulation/entity.rs
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@ -93,6 +93,7 @@ impl EntityMap {
direction: Direction,
can_turn_around: bool,
push_depth: i32,
entities_that_have_moved: &mut Vec<(EntityKey, Direction)>,
) -> (bool, bool, bool) {
let mut hero_has_died = false;
let mut win_has_triggered = false;
@ -153,6 +154,7 @@ impl EntityMap {
direction,
true,
depth,
entities_that_have_moved,
);
if !can_move_result {
@ -176,89 +178,19 @@ impl EntityMap {
if let Some(e) = self.map.get_mut(entity_to_update_key) {
e.location = desired_location;
}
entities_that_have_moved.push((entity_to_update_key, direction));
let Some(entity_to_update) = self.map.get(entity_to_update_key) else {
return (can_move, hero_has_died, win_has_triggered);
};
let move_effect = entity_to_update.move_effect();
let overlap_resolutions: Vec<_> = self
.whats_at(desired_location)
.filter(|(k, _)| *k != entity_to_update_key)
.map(|(key, other_entity)| (key, resolve_overlap(entity_to_update, other_entity)))
.collect();
if !overlap_resolutions
.iter()
.any(|x| matches!(x.1, OverlapResolution::MoveAgain))
{
animations.push(AnimationInstruction::Move(
entity_to_update_key,
desired_location,
move_effect,
));
}
for (other_entity_key, move_resolution) in overlap_resolutions {
match move_resolution {
OverlapResolution::Pickup => {
animations.push(AnimationInstruction::Attach(
entity_to_update_key,
other_entity_key,
self.map
.get(other_entity_key)
.and_then(|x| x.pickup_sound_effect()),
));
let other = self.map.remove(other_entity_key).unwrap();
if let Some((location, dropped)) = self
.map
.get_mut(entity_to_update_key)
.and_then(|x| x.pickup(other.entity).map(|y| (x.location, y)))
{
let new_key = self.map.insert(Entity {
location,
entity: dropped,
});
animations.push(AnimationInstruction::Detatch(
entity_to_update_key,
new_key,
self.map.get(new_key).and_then(|x| x.drop_effect()),
));
}
}
OverlapResolution::CoExist => {}
OverlapResolution::Win => {
win_has_triggered = true;
}
OverlapResolution::ToggleSystem(system) => {
for (k, e) in self.map.iter_mut() {
if let Some(change) = e.switch(system) {
animations.push(AnimationInstruction::Change(
k,
change,
e.change_effect(),
));
}
}
}
OverlapResolution::Die => {
hero_has_died |= self.kill_entity(entity_to_update_key, animations);
break;
}
OverlapResolution::MoveAgain => {
self.attempt_move_in_direction(
map,
animations,
entity_to_update_key,
direction,
false,
push_depth,
);
}
}
}
animations.push(AnimationInstruction::Move(
entity_to_update_key,
desired_location,
move_effect,
));
} else if explicit_stay_put
&& can_turn_around
&& self.map.get(entity_to_update_key).map(|e| e.turns_around()) == Some(true)
@ -281,6 +213,7 @@ impl EntityMap {
-direction,
false,
push_depth,
entities_that_have_moved,
);
}
} else {
@ -305,13 +238,99 @@ impl EntityMap {
(can_move, hero_has_died, win_has_triggered)
}
fn resolve_overlap_from_move(
&mut self,
animations: &mut Vec<AnimationInstruction>,
entity_to_update_key: EntityKey,
) -> (bool, bool, bool) {
let mut win_has_triggered = false;
let mut hero_has_died = false;
let mut should_move_again = false;
let Some(entity_to_update) = self.map.get(entity_to_update_key) else {
return (should_move_again, hero_has_died, win_has_triggered);
};
let location = entity_to_update.location;
let overlap_resolutions: Vec<_> = self
.whats_at(location)
.filter(|(k, _)| *k != entity_to_update_key)
.map(|(key, other_entity)| (key, resolve_overlap(entity_to_update, other_entity)))
.collect();
for (other_entity_key, move_resolution) in overlap_resolutions {
match move_resolution {
OverlapResolution::Pickup => {
animations.push(AnimationInstruction::Attach(
entity_to_update_key,
other_entity_key,
self.map
.get(other_entity_key)
.and_then(|x| x.pickup_sound_effect()),
));
let other = self.map.remove(other_entity_key).unwrap();
if let Some((location, dropped)) = self
.map
.get_mut(entity_to_update_key)
.and_then(|x| x.pickup(other.entity).map(|y| (x.location, y)))
{
let new_key = self.map.insert(Entity {
location,
entity: dropped,
});
animations.push(AnimationInstruction::Detatch(
entity_to_update_key,
new_key,
self.map.get(new_key).and_then(|x| x.drop_effect()),
));
}
}
OverlapResolution::CoExist => {}
OverlapResolution::Win => {
win_has_triggered = true;
}
OverlapResolution::ToggleSystem(system) => {
for (k, e) in self.map.iter_mut() {
if let Some(change) = e.switch(system) {
animations.push(AnimationInstruction::Change(
k,
change,
e.change_effect(),
));
}
}
}
OverlapResolution::Die => {
hero_has_died |= self.kill_entity(entity_to_update_key, animations);
break;
}
OverlapResolution::MoveAgain => {
if let Some(existing_animation) = animations.iter().position(|x| {
if let AnimationInstruction::Move(entity, _, _) = x {
*entity == entity_to_update_key
} else {
false
}
}) {
animations.swap_remove(existing_animation);
}
should_move_again = true;
}
}
}
(should_move_again, hero_has_died, win_has_triggered)
}
pub fn tick(&mut self, map: &Map, hero: Action) -> (Outcome, Vec<AnimationInstruction>) {
let mut hero_has_died = false;
let mut win_has_triggered = false;
let mut animations = Vec::new();
let entities_to_try_update = self
let mut entities_to_try_update = self
.map
.iter()
.map(|(key, entity)| (key, entity.desired_action(hero)))
@ -321,22 +340,39 @@ impl EntityMap {
})
.collect::<Vec<_>>();
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),
);
while !entities_to_try_update.is_empty() {
let mut entities_that_have_moved = Vec::new();
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.drain(..) {
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),
&mut entities_that_have_moved,
);
hero_has_died |= hero_has_died_result;
win_has_triggered |= win_has_triggered_result;
}
for (entity_to_update_key, direction) in entities_that_have_moved {
let (should_move_again, hero_has_died_result, win_has_triggered_result) =
self.resolve_overlap_from_move(&mut animations, entity_to_update_key);
if should_move_again {
entities_to_try_update.push((entity_to_update_key, direction));
}
hero_has_died |= hero_has_died_result;
win_has_triggered |= win_has_triggered_result;
}
}
(