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Ukendio 2025-04-22 04:54:18 +02:00
commit de587bd61e
1 changed files with 11 additions and 5 deletions
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16
addons/observers.luau
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@ -101,12 +101,14 @@ local function observers_add(world: jecs.World & { [string]: any }): PatchedWorl
world.added = function(_, component, fn)
local listeners = signals.added[component]
local component_index = world.component_index :: jecs.ComponentIndex
assert(component_index[component] == nil, "You cannot use hooks on components you intend to use this signal with")
if not listeners then
listeners = {}
signals.added[component] = listeners
local function on_add(entity: number, id: number, value: any)
for _, listener in listeners do
for _, listener in listeners :: any do
listener(entity, id, value)
end
end
@ -117,11 +119,13 @@ local function observers_add(world: jecs.World & { [string]: any }): PatchedWorl
world.changed = function(_, component, fn)
local listeners = signals.emplaced[component]
local component_index = world.component_index :: jecs.ComponentIndex
assert(component_index[component] == nil, "You cannot use hooks on components you intend to use this signal with")
if not listeners then
listeners = {}
signals.emplaced[component] = listeners
local function on_change(entity: number, id: number, value: any)
for _, listener in listeners do
for _, listener in listeners :: any do
listener(entity, id, value)
end
end
@ -132,11 +136,13 @@ local function observers_add(world: jecs.World & { [string]: any }): PatchedWorl
world.removed = function(_, component, fn)
local listeners = signals.removed[component]
local component_index = world.component_index :: jecs.ComponentIndex
assert(component_index[component] == nil, "You cannot use hooks on components you intend to use this signal with")
if not listeners then
listeners = {}
signals.removed[component] = listeners
local function on_remove(entity: number, id: number, value: any)
for _, listener in listeners do
for _, listener in listeners :: any do
listener(entity, id, value)
end
end
@ -151,7 +157,7 @@ local function observers_add(world: jecs.World & { [string]: any }): PatchedWorl
world.monitor = monitors_new
return world
return world :: PatchedWorld
end
return observers_add