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Fix contrived bug with observer
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Ukendio 2025-05-20 00:33:16 +02:00
parent 5dba6e7bac
commit bb03e88d3d
1 changed files with 33 additions and 30 deletions
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63
addons/observers.luau
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@ -2,15 +2,20 @@ local jecs = require("@jecs")
type Observer = { type Observer = {
callback: (jecs.Entity) -> (), callback: (jecs.Entity) -> (),
query: jecs.Query<...jecs.Id>, query: jecs.Query<...any>,
}
type Monitor = {
callback: (jecs.Entity, jecs.Entity) -> (),
queyr: jecs.Query<any>
} }
export type PatchedWorld = jecs.World & { export type PatchedWorld = jecs.World & {
added: <T>(PatchedWorld, jecs.Id<T>, (jecs.Entity, jecs.Id, T) -> ()) -> () -> (), added: <T>(PatchedWorld, jecs.Id<T>, (e: jecs.Entity, id: jecs.Id, value: T) -> ()) -> () -> (),
removed: <T>(PatchedWorld, jecs.Id<T>, (jecs.Entity, jecs.Id) -> ()) -> () -> (), removed: <T>(PatchedWorld, jecs.Id<T>, (e: jecs.Entity, id: jecs.Id) -> ()) -> () -> (),
changed: <T>(PatchedWorld, jecs.Id<T>, (jecs.Entity, jecs.Id, T) -> ()) -> () -> (), changed: <T>(PatchedWorld, jecs.Id<T>, (e: jecs.Entity, id: jecs.Id, value: T) -> ()) -> () -> (),
observer: (PatchedWorld, Observer) -> (), observer: (PatchedWorld, Observer) -> (),
monitor: (PatchedWorld, Observer) -> (), monitor: (PatchedWorld, Monitor) -> (),
} }
local function observers_new(world, description) local function observers_new(world, description)
@ -45,7 +50,6 @@ local function observers_new(world, description)
end end
end end
local function join(world, component) local function join(world, component)
local sparse_array = {} local sparse_array = {}
local dense_array = {} local dense_array = {}
@ -163,16 +167,16 @@ local function observers_add(world: jecs.World): PatchedWorld
listener(entity, id, value) listener(entity, id, value)
end end
end end
local idr = world.component_index[component] local existing_hook = world:get(component, jecs.OnAdd)
if idr then if existing_hook then
local idr_hook_existing = idr.hooks.on_add table.insert(listeners, existing_hook)
if idr_hook_existing then local idr = world.component_index[component]
table.insert(listeners, idr_hook_existing) if idr then
idr.hooks.on_add = on_add
end end
idr.hooks.on_add = on_add :: any
else
world:set(component, jecs.OnAdd, on_add)
end end
world:set(component, jecs.OnAdd, on_add)
end end
table.insert(listeners, fn) table.insert(listeners, fn)
return function() return function()
@ -197,16 +201,15 @@ local function observers_add(world: jecs.World): PatchedWorld
listener(entity, id, value) listener(entity, id, value)
end end
end end
local idr = world.component_index[component] local existing_hook = world:get(component, jecs.OnChange)
if idr then if existing_hook then
local idr_hook_existing = idr.hooks.on_change table.insert(listeners, existing_hook)
if idr_hook_existing then local idr = world.component_index[component]
table.insert(listeners, idr_hook_existing) if idr then
idr.hooks.on_change = on_change
end end
idr.hooks.on_change = on_change :: any
else
world:set(component, jecs.OnChange, on_change)
end end
world:set(component, jecs.OnChange, on_change)
end end
table.insert(listeners, fn) table.insert(listeners, fn)
return function() return function()
@ -231,16 +234,16 @@ local function observers_add(world: jecs.World): PatchedWorld
listener(entity, id, value) listener(entity, id, value)
end end
end end
local idr = world.component_index[component] local existing_hook = world:get(component, jecs.OnRemove)
if idr then if existing_hook then
local idr_hook_existing = idr.hooks.on_remove table.insert(listeners, existing_hook)
if idr_hook_existing then local idr = world.component_index[component]
table.insert(listeners, idr_hook_existing) if idr then
idr.hooks.on_remove = on_remove
end end
idr.hooks.on_remove = on_remove :: any
else
world:set(component, jecs.OnRemove, on_remove)
end end
world:set(component, jecs.OnRemove, on_remove)
end end
table.insert(listeners, fn) table.insert(listeners, fn)
return function() return function()