neon-sprawl/client/scripts/craft_client.gd

109 lines
3.2 KiB
GDScript

extends Node
## NEO-74: prototype HTTP client for [code]POST /game/players/{id}/craft[/code] (NEO-70).
signal craft_result_received(recipe_id: String, result: Dictionary)
signal craft_request_failed(recipe_id: String, reason: String)
const SCHEMA_VERSION := 1
@export var base_url: String = "http://127.0.0.1:5253"
@export var dev_player_id: String = "dev-local-1"
@export var injected_http: Node = null
var _http: Node
var _busy: bool = false
var _current_recipe_id: String = ""
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 is_busy() -> bool:
return _busy
## Returns [code]true[/code] when the HTTP POST was queued.
func request_craft(recipe_id: String, quantity: int = 1) -> bool:
if _busy:
return false
var rid := recipe_id.strip_edges()
if rid.is_empty():
return false
_current_recipe_id = rid
var payload: Dictionary = {
"schemaVersion": SCHEMA_VERSION,
"recipeId": rid,
"quantity": quantity,
}
var url := "%s/game/players/%s/craft" % [_base_root(), _player_path_segment()]
var headers := PackedStringArray(["Content-Type: application/json"])
var err: Error = _http.request(url, headers, HTTPClient.METHOD_POST, JSON.stringify(payload))
if err != OK:
_current_recipe_id = ""
push_warning("CraftClient: POST failed to start (%s)" % err)
return false
_busy = true
return true
func _base_root() -> String:
return base_url.strip_edges().rstrip("/")
func _player_path_segment() -> String:
return dev_player_id.strip_edges()
static func parse_craft_response_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
if not root.has("success"):
return null
return root
func _on_request_completed(
result: int, response_code: int, _headers: PackedStringArray, body: PackedByteArray
) -> void:
var recipe_echo: String = _current_recipe_id
_current_recipe_id = ""
_busy = false
if result != HTTPRequest.RESULT_SUCCESS:
var reason := "HTTP failed (result=%s)" % result
push_warning("CraftClient: %s" % reason)
craft_request_failed.emit(recipe_echo, reason)
return
if response_code < 200 or response_code >= 300:
var reason_code := "HTTP %s" % response_code
push_warning("CraftClient: %s" % reason_code)
craft_request_failed.emit(recipe_echo, reason_code)
return
var text := body.get_string_from_utf8()
var parsed: Variant = parse_craft_response_json(text)
if parsed == null:
var reason_json := "non-JSON body or schemaVersion mismatch"
push_warning("CraftClient: %s" % reason_json)
craft_request_failed.emit(recipe_echo, reason_json)
return
var data: Dictionary = parsed as Dictionary
var success: bool = bool(data.get("success", false))
if not success:
var reason_variant: Variant = data.get("reasonCode", "")
var reason_str: String = reason_variant as String if reason_variant is String else ""
push_warning("craft_denied reasonCode=%s" % reason_str)
craft_result_received.emit(recipe_echo, data.duplicate(true))