mirror of
https://github.com/Ukendio/jecs.git
synced 2025-04-25 01:20:04 +00:00
155 lines
No EOL
3.3 KiB
Lua
155 lines
No EOL
3.3 KiB
Lua
local jecs = require(script.Parent)
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local world = jecs.World.new()
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local A, B, C, D = world:entity(), world:entity(), world:entity(), world:entity()
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local E, F, G, H = world:entity(), world:entity(), world:entity(), world:entity()
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print("A", A)
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print("B", B)
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print("C", C)
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print("D", D)
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print("E", E)
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print("F", F)
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print("G", G)
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print("H", H)
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local common = 0
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local N = 2^16-2
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local archetypes = {}
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local function flip()
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return math.random() >= 0.5
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end
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local hm = 0
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for i = 1, N do
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local entity = world:entity()
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local combination = ""
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if flip() then
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combination ..= "2_"
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world:set(entity, B, { value = true})
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end
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if flip() then
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combination ..= "3_"
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world:set(entity, C, { value = true})
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end
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if flip() then
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combination ..= "4_"
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world:set(entity, D, { value = true})
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end
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if flip() then
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combination ..= "5_"
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world:set(entity, E, { value = true})
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end
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if flip() then
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combination ..= "6_"
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world:set(entity, F, { value = true})
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end
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if flip() then
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combination ..= "7_"
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world:set(entity, G, { value = true})
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end
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if flip() then
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combination ..= "8"
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world:set(entity, H, { value = true})
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end
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if #combination == 7 then
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combination = "1_" .. combination
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common += 1
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world:set(entity, A, { value = true})
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end
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if combination:find("2")
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and combination:find("3")
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and combination:find("4")
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and combination:find("6")
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then
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hm += 1
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end
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archetypes[combination] = true
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end
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local arch = 0
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for combination in archetypes do
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if combination:find("2")
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and combination:find("3")
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and combination:find("4")
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and combination:find("6")
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then
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arch += 1
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end
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end
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return function()
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describe("World", function()
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it("should add component", function()
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local id = world:entity()
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world:set(id, A, true)
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world:set(id, B, 1)
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local id1 = world:entity()
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world:set(id1, A, "hello")
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expect(world:get(id, A)).to.equal(true)
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expect(world:get(id, B)).to.equal(1)
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expect(world:get(id1, A)).to.equal("hello")
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end)
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it("should remove component", function()
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local id = world:entity()
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world:set(id, A, true)
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world:set(id, B, 1000)
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world:remove(id, A, false)
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expect(world:get(id, A)).to.equal(nil)
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end)
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it("should override component data", function()
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local id = world:entity()
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world:set(id, A, true)
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expect(world:get(id, A)).to.equal(true)
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world:set(id, A, false)
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expect(world:get(id, A)).to.equal(false)
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end)
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it("query", function()
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local added = 0
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for _ in world:query(B, C, D, F) do
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added += 1
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end
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expect(added).to.equal(hm)
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end)
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it("should skip iteration", function()
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local Position, Velocity = world:entity(), world:entity()
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print(Position, Velocity)
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local e = world:entity()
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print(e)
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world:set(e, Position, Vector3.zero)
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world:set(e, Velocity, Vector3.one)
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local added = 0
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for i in world:query(Position):without(Velocity) do
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print(i)
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added += 1
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end
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expect(added).to.equal(0)
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end)
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it("track changes", function()
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local Position = world:entity()
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local moving = world:entity()
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world:set(moving, Position, Vector3.new(1, 2, 3))
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local count = 0
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for e, position in world:observer(Position).event(jecs.ON_ADD) do
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count += 1
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expect(e).to.equal(moving)
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expect(position).to.equal(Vector3.new(1, 2, 3))
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end
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expect(count).to.equal(1)
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end)
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end)
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end |