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Add parent method

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Ukendio 2024-07-03 02:10:16 +02:00
parent b8f35ccb85
commit ec833464a5
1 changed files with 10 additions and 2 deletions
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12
lib/init.luau
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@ -361,9 +361,10 @@ function World.entity(world: World): i53
end
-- TODO:
-- should have an additional `index` parameter which selects the nth target
-- TODO:
-- should have an additional `nth` parameter which selects the nth target
-- this is important when an entity can have multiple relationships with the same target
function World.target(world: World, entity: i53, relation: i24): i24?
local function target(world: World, entity: i53, relation: i24--[[, nth: number]]): i24?
local entityIndex = world.entityIndex
local record = entityIndex.sparse[entity]
local archetype = record.archetype
@ -384,6 +385,13 @@ function World.target(world: World, entity: i53, relation: i24): i24?
return ECS_PAIR_OBJECT(entityIndex, archetype.types[archetypeRecord])
end
local function parent(world: World, entity: i53)
return target(world, entity, EcsChildOf)
end
World.target = target
World.parent = parent
-- should reuse this logic in World.set instead of swap removing in transition archetype
local function destructColumns(columns: { Column }, count: number, row: number)
if row == count then