99 lines
2.8 KiB
GDScript
99 lines
2.8 KiB
GDScript
extends Node
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## NEO-85: prototype HTTP client for [code]GET /game/world/combat-targets[/code] (NEO-83).
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signal targets_received(snapshot: Dictionary)
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signal targets_sync_failed(reason: String)
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const SCHEMA_VERSION := 1
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@export var base_url: String = "http://127.0.0.1:5253"
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@export var injected_http: Node = null
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var _http: Node
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var _busy: bool = false
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var _last_snapshot: Dictionary = {}
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func _ready() -> void:
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if injected_http != null:
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_http = injected_http
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else:
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_http = HTTPRequest.new()
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add_child(_http)
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if _http is HTTPRequest:
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(_http as HTTPRequest).timeout = 30.0
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@warning_ignore("unsafe_method_access")
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_http.request_completed.connect(_on_request_completed)
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func request_sync_from_server() -> void:
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if _busy:
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return
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_busy = true
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var url := "%s/game/world/combat-targets" % _base_root()
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var err: Error = _http.request(url)
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if err != OK:
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var reason := "GET failed to start (%s)" % err
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push_warning("CombatTargetsClient: %s" % reason)
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_busy = false
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targets_sync_failed.emit(reason)
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func target_row(target_id: String, snapshot: Dictionary = {}) -> Dictionary:
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var source: Dictionary = snapshot
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if source.is_empty():
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source = _last_snapshot
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var targets: Variant = source.get("targets", null)
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if targets == null or not targets is Array:
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return {}
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for row_variant in targets as Array:
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if not row_variant is Dictionary:
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continue
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var row: Dictionary = row_variant
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if str(row.get("targetId", "")) == target_id:
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return row
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return {}
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func _base_root() -> String:
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return base_url.strip_edges().rstrip("/")
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static func parse_targets_json(text: String) -> Variant:
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var parsed: Variant = JSON.parse_string(text)
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if not parsed is Dictionary:
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return null
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var root: Dictionary = parsed
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if int(root.get("schemaVersion", -1)) != SCHEMA_VERSION:
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return null
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var targets: Variant = root.get("targets", null)
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if targets == null or not targets is Array:
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return null
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return root
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func _on_request_completed(
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result: int, response_code: int, _headers: PackedStringArray, body: PackedByteArray
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) -> void:
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_busy = false
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if result != HTTPRequest.RESULT_SUCCESS:
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var reason := "HTTP failed (result=%s)" % result
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push_warning("CombatTargetsClient: %s" % reason)
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targets_sync_failed.emit(reason)
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return
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if response_code < 200 or response_code >= 300:
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var reason_code := "HTTP %s" % response_code
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push_warning("CombatTargetsClient: %s" % reason_code)
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targets_sync_failed.emit(reason_code)
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return
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var text := body.get_string_from_utf8()
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var snapshot: Variant = parse_targets_json(text)
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if snapshot == null:
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var reason_json := "non-JSON body or schemaVersion mismatch"
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push_warning("CombatTargetsClient: %s" % reason_json)
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targets_sync_failed.emit(reason_json)
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return
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_last_snapshot = snapshot as Dictionary
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targets_received.emit(_last_snapshot)
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