mirror of
https://github.com/Ukendio/jecs.git
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ec4fa3ff3e
* Initial commit * Add tests * Dedup observers * Handle filters on table creation * Handle Archetype deletion * Remove print * Fix type errors * Cleanup code * Manually inline code * Build terms for cached queries * Specialized cached query iterator * Remove shadowed variable * Inverse statement * Rework demo * Fix metatable * Use generalized iteration
26 lines
529 B
Text
26 lines
529 B
Text
local world = require(script.Parent.world)
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local jecs = require(game:GetService("ReplicatedStorage").ecs)
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local refs: {[any]: jecs.Entity} = {}
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local function fini(key): () -> ()
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return function()
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refs[key] = nil
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end
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end
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local function noop() end
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local function ref(key): (jecs.Entity, () -> ())
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if not key then
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return world:entity(), noop
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end
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local e = refs[key]
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if not e then
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e = world:entity()
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refs[key] = e
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end
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-- Cannot cache handles because they will get invalidated
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return e, fini(key)
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end
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return ref
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