query start

ecs.odin

@@ -11,7 +11,8 @@ App :: struct {
 	update_systems:  [dynamic]proc(),
 	draw_systems:    [dynamic]proc(),
 	plugins:         [dynamic]proc(app: ^App),
-	entities:        map[int][dynamic]struct{},
+	entities:        map[u32][dynamic]struct{},
+	storages:        map[typeid]rawptr,
 }
 
 add_system :: proc(app: ^App, schedule: int, system: proc()) {
@@ -29,13 +30,6 @@ add_plugin :: proc(app: ^App, plugin: proc(app: ^App)) {
 	append(&app.plugins, plugin)
 }
 
-spawn_entity :: proc(app: ^App, components: [dynamic]struct{}) {
-	entity_len := len(&app.entities)
-
-	app.entities[entity_len] = components
-
-}
-
 run :: proc(app: ^App) {
 	rl.InitWindow(800, 600, "shoal window")
 	defer rl.CloseWindow()

entities.odin

@@ -1,18 +1,21 @@
 package shoal
 
-Entity :: struct {
-	id:         int,
-	components: [dynamic]struct{},
+Entity :: distinct u32
+
+Storage :: struct($T: typeid) {
+	data: map[Entity]T,
 }
 
-spawn_entity :: proc(app: ^App) -> Entity {
+spawn_entity :: proc(app: ^App, $T: typeid) -> Entity {
 	entity: Entity
-	entity_len := len(&app.entities)
-	entity.id = entity_len
-
 	return entity
 }
 
-add_collection :: proc(app: ^App, component: $T) {
+add_collection :: proc(app: ^App, $T: typeid) {
+	storage: ^Storage(T)
+	app.storages[T] = storage
+}
+
+query :: proc(app: ^App, $T: typeid) {
 
 }