109 lines
2.9 KiB
GDScript
109 lines
2.9 KiB
GDScript
extends Node
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## NS-16: POST MoveCommand then GET PositionState; emits authoritative world position for the
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## avatar.
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## (No `class_name` so headless/CI can load the project before `.godot` import exists.)
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signal authoritative_position_received(world: Vector3)
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enum Phase { BOOT_GET, POST_MOVE, VERIFY_GET }
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@export var base_url: String = "http://127.0.0.1:5253"
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@export var dev_player_id: String = "dev-local-1"
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var _http: HTTPRequest
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var _busy: bool = false
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var _phase: Phase = Phase.BOOT_GET
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func _ready() -> void:
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_http = HTTPRequest.new()
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add_child(_http)
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_http.request_completed.connect(_on_request_completed)
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func 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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_phase = Phase.BOOT_GET
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_request_get()
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func submit_move_target(world: Vector3) -> void:
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if _busy:
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return
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_busy = true
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_phase = Phase.POST_MOVE
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var url := "%s/game/players/%s/move" % [_base_root(), _player_path_segment()]
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var payload := {
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"schemaVersion": 1,
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"target": {"x": world.x, "y": world.y, "z": world.z},
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}
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var body := JSON.stringify(payload)
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var headers := PackedStringArray(["Content-Type: application/json"])
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var err: Error = _http.request(url, headers, HTTPClient.METHOD_POST, body)
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if err != OK:
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push_warning("PositionAuthorityClient: POST failed to start (%s)" % err)
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_busy = false
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func _base_root() -> String:
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return base_url.strip_edges().rstrip("/")
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func _player_path_segment() -> String:
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# ASCII-safe ids (e.g. dev-local-1); use percent-encoding if ids gain reserved URL characters.
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return dev_player_id.strip_edges()
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func _request_get() -> void:
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var url := "%s/game/players/%s/position" % [_base_root(), _player_path_segment()]
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var err: Error = _http.request(url)
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if err != OK:
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push_warning("PositionAuthorityClient: GET failed to start (%s)" % err)
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_busy = false
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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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if _result != HTTPRequest.RESULT_SUCCESS:
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_busy = false
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return
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var text := body.get_string_from_utf8()
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match _phase:
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Phase.BOOT_GET:
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_busy = false
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if response_code == 200:
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_emit_position_from_response(text)
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Phase.POST_MOVE:
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if response_code != 200:
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_busy = false
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return
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_phase = Phase.VERIFY_GET
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_request_get()
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Phase.VERIFY_GET:
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_busy = false
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if response_code == 200:
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_emit_position_from_response(text)
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func _emit_position_from_response(json_text: String) -> void:
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var parsed: Variant = JSON.parse_string(json_text)
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if parsed == null:
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return
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if not parsed is Dictionary:
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return
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var data: Dictionary = parsed
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var pos_variant: Variant = data.get("position", null)
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if not pos_variant is Dictionary:
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return
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var pos: Dictionary = pos_variant
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var x: float = float(pos.get("x", 0.0))
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var y: float = float(pos.get("y", 0.0))
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var z: float = float(pos.get("z", 0.0))
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authoritative_position_received.emit(Vector3(x, y, z))
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