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Add is_tag function

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Ukendio 2025-04-22 04:18:43 +02:00
parent cc3367c302
commit ca19d15d04
2 changed files with 28 additions and 0 deletions
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9
jecs.luau
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@ -500,6 +500,14 @@ local function world_has_one_inline(world: ecs_world_t, entity: i53, id: i53): b
return records[id] ~= nil return records[id] ~= nil
end end
local function ecs_is_tag(world: ecs_world_t, entity: i53): boolean
local idr = world.component_index[entity]
if idr then
return bit32.band(idr.flags, ECS_ID_IS_TAG) ~= 0
end
return not world_has_one_inline(world, entity, EcsComponent)
end
local function world_has(world: ecs_world_t, entity: i53, local function world_has(world: ecs_world_t, entity: i53,
a: i53, b: i53?, c: i53?, d: i53?, e: i53?): boolean a: i53, b: i53?, c: i53?, d: i53?, e: i53?): boolean
@ -2523,6 +2531,7 @@ return {
component = (ECS_COMPONENT :: any) :: <T>() -> Entity<T>, component = (ECS_COMPONENT :: any) :: <T>() -> Entity<T>,
tag = (ECS_TAG :: any) :: <T>() -> Entity<T>, tag = (ECS_TAG :: any) :: <T>() -> Entity<T>,
meta = (ECS_META :: any) :: <T>(id: Entity, id: Id<T>, value: T) -> Entity<T>, meta = (ECS_META :: any) :: <T>(id: Entity, id: Id<T>, value: T) -> Entity<T>,
is_tag = (ecs_is_tag :: any) :: <T>(World, Id<T>) -> boolean,
OnAdd = EcsOnAdd :: Entity<(entity: Entity) -> ()>, OnAdd = EcsOnAdd :: Entity<(entity: Entity) -> ()>,
OnRemove = EcsOnRemove :: Entity<(entity: Entity) -> ()>, OnRemove = EcsOnRemove :: Entity<(entity: Entity) -> ()>,

19
test/addons/observers.luau
View file

@ -82,6 +82,25 @@ TEST("addons/observers", function()
world:set(e, A, true) world:set(e, A, true)
CHECK(count == 3) CHECK(count == 3)
end end
do CASE "Call on pairs"
local A = world:component()
local callcount = 0
world:added(A, function(entity)
callcount += 1
end)
world:added(A, function(entity)
callcount += 1
end)
local e = world:entity()
local e1 = world:entity()
world:add(e1, jecs.pair(A, e))
world:add(e, jecs.pair(A, e1))
CHECK(callcount == 4)
end
end) end)
return FINISH() return FINISH()