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Update init.lua

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Shane 2024-04-30 16:45:42 -07:00 committed by GitHub
parent 4978ac7856
commit e2d1156f72
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1 changed files with 17 additions and 11 deletions
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24
lib/init.lua
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@ -350,14 +350,20 @@ function World.get(world: World, entityId: i53, a: i53, b: i53?, c: i53?, d: i53
end end
end end
local function noop(self: Query, ...: i53): () -> (number, ...any)
local function noop(): any
return function() return function()
end end :: any
end end
function World.query(world: World, ...: i53): any local EmptyQuery = {
__iter = noop,
without = noop
}
EmptyQuery.__index = EmptyQuery
type Query = typeof(setmetatable({}, EmptyQuery))
function World.query(world: World, ...: i53): Query
local compatibleArchetypes = {} local compatibleArchetypes = {}
local components = { ... } local components = { ... }
local archetypes = world.archetypes local archetypes = world.archetypes
@ -373,7 +379,7 @@ function World.query(world: World, ...: i53): any
for i, componentId in components do for i, componentId in components do
local map = componentIndex[componentId] local map = componentIndex[componentId]
if not map then if not map then
error(tostring(componentId).." has not been added to an entity") return setmetatable({}, EmptyQuery)
end end
if firstArchetypeMap == nil or map.size < firstArchetypeMap.size then if firstArchetypeMap == nil or map.size < firstArchetypeMap.size then
@ -409,7 +415,7 @@ function World.query(world: World, ...: i53): any
local lastArchetype, compatibleArchetype = next(compatibleArchetypes) local lastArchetype, compatibleArchetype = next(compatibleArchetypes)
if not lastArchetype then if not lastArchetype then
return noop() return setmetatable({}, EmptyQuery)
end end
local preparedQuery = {} local preparedQuery = {}
@ -433,7 +439,7 @@ function World.query(world: World, ...: i53): any
lastArchetype, compatibleArchetype = next(compatibleArchetypes) lastArchetype, compatibleArchetype = next(compatibleArchetypes)
if not lastArchetype then if not lastArchetype then
return noop() return setmetatable({}, EmptyQuery)
end end
return self return self
@ -518,7 +524,7 @@ function World.query(world: World, ...: i53): any
end end
end end
return setmetatable({}, preparedQuery) return setmetatable({}, preparedQuery) :: any
end end
function World.component(world: World) function World.component(world: World)