neon-sprawl/client/scripts/recipe_definitions_client.gd

98 lines
2.7 KiB
GDScript

extends Node
## NEO-74: fetches [code]GET /game/world/recipe-definitions[/code] (NEO-68).
## Caches ordered recipe rows for craft UI.
signal recipes_ready(recipes: Array)
signal recipes_sync_failed(reason: String)
const SCHEMA_VERSION := 1
@export var base_url: String = "http://127.0.0.1:5253"
@export var injected_http: Node = null
var _http: Node
var _busy: bool = false
var _recipes: Array = []
func _ready() -> void:
if injected_http != null:
_http = injected_http
else:
_http = HTTPRequest.new()
add_child(_http)
if _http is HTTPRequest:
(_http as HTTPRequest).timeout = 30.0
@warning_ignore("unsafe_method_access")
_http.request_completed.connect(_on_request_completed)
func request_sync_from_server() -> void:
if _busy:
return
_busy = true
var url := "%s/game/world/recipe-definitions" % _base_root()
var err: Error = _http.request(url)
if err != OK:
var reason := "GET failed to start (%s)" % err
push_warning("RecipeDefinitionsClient: %s" % reason)
_busy = false
recipes_sync_failed.emit(reason)
func recipes_snapshot() -> Array:
return _recipes.duplicate(true)
func recipe_by_id(recipe_id: String) -> Dictionary:
for row_variant in _recipes:
if not row_variant is Dictionary:
continue
var row: Dictionary = row_variant
if str(row.get("id", "")) == recipe_id:
return row.duplicate(true)
return {}
func _base_root() -> String:
return base_url.strip_edges().rstrip("/")
static func parse_recipes_json(text: String) -> Variant:
var parsed: Variant = JSON.parse_string(text)
if not parsed is Dictionary:
return null
var root: Dictionary = parsed
if int(root.get("schemaVersion", -1)) != SCHEMA_VERSION:
return null
var recipes: Variant = root.get("recipes", null)
if recipes == null or not recipes is Array:
return null
return recipes as Array
func _on_request_completed(
result: int, response_code: int, _headers: PackedStringArray, body: PackedByteArray
) -> void:
_busy = false
if result != HTTPRequest.RESULT_SUCCESS:
var reason := "HTTP failed (result=%s)" % result
push_warning("RecipeDefinitionsClient: %s" % reason)
recipes_sync_failed.emit(reason)
return
if response_code < 200 or response_code >= 300:
var reason_code := "HTTP %s" % response_code
push_warning("RecipeDefinitionsClient: %s" % reason_code)
recipes_sync_failed.emit(reason_code)
return
var text := body.get_string_from_utf8()
var recipes: Variant = parse_recipes_json(text)
if recipes == null:
var reason_json := "non-JSON body or schemaVersion mismatch"
push_warning("RecipeDefinitionsClient: %s" % reason_json)
recipes_sync_failed.emit(reason_json)
return
_recipes = (recipes as Array).duplicate(true)
recipes_ready.emit(_recipes.duplicate(true))