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Updated observers

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This commit is contained in:
Ukendio 2025-07-05 21:26:05 +02:00
parent b92cf9ab76
commit 6dfb428296
1 changed files with 25 additions and 17 deletions
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42
addons/observers.luau
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@ -4,11 +4,11 @@ export type PatchedWorld = jecs.World & {
added: <T>(PatchedWorld, jecs.Id<T>, (e: jecs.Entity, id: jecs.Id, value: T) -> ()) -> () -> (),
removed: <T>(PatchedWorld, jecs.Id<T>, (e: jecs.Entity, id: jecs.Id) -> ()) -> () -> (),
changed: <T>(PatchedWorld, jecs.Id<T>, (e: jecs.Entity, id: jecs.Id, value: T) -> ()) -> () -> (),
observer: (
observer: <T...>(
PatchedWorld,
any,
jecs.Query<T...>,
(jecs.Entity) -> ()
) -> (),
) -> () -> (jecs.Entity),
monitor: (
PatchedWorld,
any,
@ -25,6 +25,8 @@ local function observers_new(world, query, callback)
end
local entity_index = world.entity_index :: any
local i = 0
local entities = {}
local function emplaced(entity, id, value)
local r = jecs.entity_index_try_get_fast(
entity_index, entity :: any)
@ -36,7 +38,9 @@ local function observers_new(world, query, callback)
local archetype = r.archetype
if jecs.query_match(query, archetype) then
callback(entity)
i += 1
entities[i] = entity
callback(entity, id, value)
end
end
@ -44,6 +48,21 @@ local function observers_new(world, query, callback)
world:added(term, emplaced)
world:changed(term, emplaced)
end
return setmetatable({}, {
__iter = function()
local row = i
return function()
if row == 0 then
i = 0
table.clear(entities)
end
local entity = entities[row]
row -= 1
return entity
end
end
})
end
local function join(world, component)
@ -115,19 +134,8 @@ local function monitors_new(world, query, callback)
end
local function removed(entity: jecs.Entity, component: jecs.Id)
local r = jecs.entity_index_try_get_fast(
entity_index, entity :: any)
if not r then
return
end
local archetype = r.archetype
if jecs.query_match(query, archetype) then
local EcsOnRemove = jecs.OnRemove :: jecs.Id
callback(entity, EcsOnRemove)
end
local EcsOnRemove = jecs.OnRemove :: jecs.Id
callback(entity, EcsOnRemove)
end
for _, term in terms do