5a043b2912
- Refs and command buffers used to share data with every single world, this is now mitigated by using a separate data set for every world - Working unit tests have been added - jecs-utils has now been released at mark-marks/jecs-utils@v0.1.0!
33 lines
818 B
Text
33 lines
818 B
Text
--!strict
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--!optimize 2
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local handle = require("./handle")
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local jecs = require("./jecs")
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local WORLD = require("./world").get
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local refs: { [jecs.World]: { [any]: jecs.Entity } } = {}
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--- Gets an entity the given key references to.
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--- If the key is nil, an entirely new entity is created and returned.
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--- If the key doesn't reference an entity, a new entity is made for it to reference and returned.
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--- @param key any
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--- @return handle
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local function ref(key: any): handle.handle
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local world = WORLD()
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if not key then
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return handle(world:entity())
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end
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if not refs[world] then
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refs[world] = {}
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end
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local entity = refs[world][key]
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if not entity then
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entity = world:entity()
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refs[world][key] = entity
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end
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return handle(entity)
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end
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return ref
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