Merge branch 'main' of https://github.com/Ukendio/jecs

addons/observers.luau

@@ -16,6 +16,10 @@ local function observers_new(world, description)
 		local r = jecs.entity_index_try_get_fast(
 			entity_index, entity)
 
+		if not r then
+			return
+		end
+
 		local archetype = r.archetype
 
 		if jecs.query_match(query, archetype) then
@@ -42,9 +46,13 @@ local function world_track(world, ...)
 		local r = jecs.entity_index_try_get_fast(
 			entity_index, entity)
 
+		if not r then
+			return
+		end
+
 		local archetype = r.archetype
 
-		if jecs.query_match(q_shim, archetype) then
+		if jecs.query_match(q_shim :: any, archetype) then
 			n += 1
 			dense_array[n] = entity
 			sparse_array[entity] = n
@@ -73,7 +81,7 @@ local function world_track(world, ...)
 				return nil
 			end
 			i -= 1
-			return dense_array[row]
+			return dense_array[row] :: any
 		end
 	end
 

jecs.luau

@@ -124,9 +124,9 @@ local EcsOnArchetypeCreate =        HI_COMPONENT_ID + 12
 local EcsOnArchetypeDelete =        HI_COMPONENT_ID + 13
 local EcsRest =                     HI_COMPONENT_ID + 14
 
-local ECS_ID_DELETE =                        		0b01
-local ECS_ID_IS_TAG =                        		0b10
-local ECS_ID_MASK =                          		0b00
+local ECS_ID_DELETE =                        	    0b01
+local ECS_ID_IS_TAG =                        	    0b10
+local ECS_ID_MASK =                          	    0b00
 
 local ECS_ENTITY_MASK =              bit32.lshift(1, 24)
 local ECS_GENERATION_MASK =          bit32.lshift(1, 16)
@@ -733,13 +733,14 @@ local function find_archetype_with(world: ecs_world_t, node: ecs_archetype_t, id
 	-- them each time would be expensive. Instead this insertion sort can find the insertion
 	-- point in the types array.
 
-	local dst = table.clone(node.types) :: { i53 }
 	local at = find_insert(id_types, id)
 	if at == -1 then
 		-- If it finds a duplicate, it just means it is the same archetype so it can return it
 		-- directly instead of needing to hash types for a lookup to the archetype.
 		return node
 	end
+
+	local dst = table.clone(node.types) :: { i53 }
 	table.insert(dst, at, id)
 
 	return archetype_ensure(world, dst)
@@ -2600,7 +2601,7 @@ export type World = {
 
 return {
 	World = World :: { new: () -> World },
-	world = World.new :: () -> World,
+	world = world_new :: () -> World,
 
 	OnAdd = EcsOnAdd :: Entity<(entity: Entity) -> ()>,
 	OnRemove = EcsOnRemove :: Entity<(entity: Entity) -> ()>,

package-lock.json

@@ -1,12 +1,12 @@
 {
 	"name": "@rbxts/jecs",
-	"version": "0.5.5",
+	"version": "0.6.0-rc.1",
 	"lockfileVersion": 3,
 	"requires": true,
 	"packages": {
 		"": {
 			"name": "@rbxts/jecs",
-			"version": "0.5.5",
+			"version": "0.6.0-rc.1",
 			"license": "MIT",
 			"devDependencies": {
 				"@rbxts/compiler-types": "^2.3.0-types.1",

package.json

@@ -1,6 +1,6 @@
 {
 	"name": "@rbxts/jecs",
-	"version": "0.5.5",
+	"version": "0.6.0-rc.1",
 	"description": "Stupidly fast Entity Component System",
 	"main": "jecs.luau",
 	"repository": {

test/tests.luau

@@ -117,6 +117,103 @@ local function name(world, e)
 	return world:get(e, jecs.Name)
 end
 
+
+local function worldReset(world)
+	local entity_index = world.entity_index
+	for i = jecs.Rest, entity_index.max_id do
+		local entity = entity_index.dense_array[i]
+		world:delete(entity)
+	end
+	for i = jecs.Rest, entity_index.max_id do
+		local sparse = entity_index.dense_array[i]
+		entity_index.sparse_array[sparse] = nil
+		entity_index.dense_array[i] = nil
+	end
+	entity_index.alive_count = jecs.Rest
+	entity_index.max_id = jecs.Rest
+end
+
+local lifetime_tracker_add = require("@tools/lifetime_tracker")
+TEST("the great reset", function()
+	local world = world_new()
+	lifetime_tracker_add(world, {padding_enabled=false})
+	local A = world:component()
+	local B = world:component()
+
+	for i = 1, 10 do
+		local e = world:entity()
+		world:set(e, A, true)
+		world:set(e, B, true)
+	end
+	world:print_entity_index()
+	worldReset(world)
+	CHECK(world:contains(A))
+	CHECK(world:contains(B))
+	world:print_entity_index()
+end)
+
+TEST("#repro3", function()
+	local world = world_new()
+	local Model = world:component()
+	local ModelBase = world:component()
+
+	local systems = {}
+
+	local function progress()
+		for _, system in systems do
+			system()
+		end
+	end
+
+	local newQuery = nil
+	local oldQuery = nil
+
+	local function modelBase()
+		if not newQuery then
+			newQuery = world:query(Model):without(ModelBase):cached()
+		end
+		if not oldQuery then
+			oldQuery = world:query(ModelBase):without(Model):cached()
+		end
+		for e, model in newQuery do
+			world:set(e, ModelBase, { "part base" })
+		end
+		for e, model in oldQuery do
+			world:remove(e, ModelBase)
+		end
+	end
+
+	table.insert(systems, modelBase)
+
+	do CASE("should add the correct ModelBase for parts")
+		local e = world:entity()
+		world:set(e, Model, { instance = "Model" })
+		progress()
+		CHECK(world:get(e, ModelBase)[1] == "part base" )
+	end
+
+	do CASE("should add the correct ModelBase for parts")
+		local e = world:entity()
+		world:set(e, Model, { instance = "Model "})
+		progress()
+		CHECK(world:get(e, ModelBase)[1] == "part base")
+	end
+
+
+
+	do CASE("")
+		local e = world:entity()
+		world:set(e, Model, { instance = "Model "})
+		progress()
+		CHECK(world:get(e, ModelBase)[1] == "part base")
+		world:remove(e, Model)
+		progress()
+		CHECK(world:get(e, ModelBase) == nil)
+
+
+	end
+end)
+
 TEST("#adding a recycled target", function()
     local world = world_new()
     local R = world:component()