From 74254717f13b1d4c1de638da87b94af903904c59 Mon Sep 17 00:00:00 2001
From: Ukendio <ukendio@gmail.com>
Date: Sun, 22 Feb 2026 16:42:49 +0100
Subject: [PATCH] Add deserialize

---
 modules/deserialize.luau | 47 ++++++++++++++++++++++++++++++++++++++++
 1 file changed, 47 insertions(+)
 create mode 100644 modules/deserialize.luau

diff --git a/modules/deserialize.luau b/modules/deserialize.luau
new file mode 100644
index 0000000..3d9a08f
--- /dev/null
+++ b/modules/deserialize.luau
@@ -0,0 +1,47 @@
+local jecs = require("@jecs")
+
+local function ecs_ensure_entity(world: jecs.World, id: jecs.Entity<any>, ctx: {[jecs.Entity<any>]: jecs.Entity<any>})
+	local e = 0
+
+	local ser_id = id
+
+	local deser_id = ctx[ser_id]
+	if not deser_id then
+		if not world:exists(ser_id)
+			or (world:contains(ser_id) and not world:get(ser_id, jecs.Name))
+		then
+			deser_id = world:entity(id)
+		else
+			if world:contains(ser_id)  then
+				if world:has(ser_id, jecs.Name) then
+					deser_id = ser_id
+				else
+					deser_id = world:entity(ser_id)
+				end
+			else
+				if world:exists(ser_id) then
+					deser_id = world:entity()
+				else
+					deser_id = world:entity(ser_id)
+				end
+			end
+		end
+		ctx[ser_id] = deser_id
+	end
+
+	e = deser_id
+
+	return e
+end
+
+local function ecs_deser_pairs(world: jecs.World, rel, tgt, ctx)
+	rel = ecs_ensure_entity(world, rel, ctx)
+	tgt = ecs_ensure_entity(world, tgt, ctx)
+
+	return jecs.pair(rel, tgt)
+end
+
+return {
+	ecs_ensure_entity = ecs_ensure_entity,
+	ecs_deser_pairs = ecs_deser_pairs,
+}