107 lines
3.2 KiB
GDScript
107 lines
3.2 KiB
GDScript
extends RefCounted
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## A dedicated server's preferences (`server.json`) and its reserved names
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## (`names.json` alongside). Created with defaults on first run and meant to
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## be edited by hand; command-line flags override single values for one run.
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## See docs/MULTIPLAYER_PLAN.md §4.
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const DEFAULT_PATH := "user://server/server.json"
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const DEFAULTS := {
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"server_name": "Emberwild server",
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"motd": "Welcome!",
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"port": 24242,
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"max_players": 8,
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"password": "",
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"world": "server-world",
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"worldlet": "valley",
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"seed": 1337,
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"pvp": false,
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"raiding": false,
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"locks": "owner_and_friends",
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"death_penalty": "grave",
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"sleep": "all_online",
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"pause_when_empty": true,
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"day_length_minutes": 20,
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"wolf_grace_days": 3,
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"difficulty": "normal",
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"autosave_minutes": 2,
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"backups_kept": 10,
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"admins": [],
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"allowlist": [],
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"banned": [],
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}
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## Settings sent to players when they join (never the password or the lists).
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const PUBLIC := ["server_name", "motd", "max_players", "worldlet", "pvp", "raiding", "locks",
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"death_penalty", "sleep", "pause_when_empty", "day_length_minutes", "wolf_grace_days", "difficulty"]
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var path := DEFAULT_PATH
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var data: Dictionary = {} ## what's in server.json (saved)
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var overrides: Dictionary = {} ## command-line flags for this run (never saved)
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## Reserved names: lower-case name -> {"name": as typed, "id": player id}.
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var names: Dictionary = {}
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static func open(p: String = DEFAULT_PATH) -> RefCounted:
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var c = load("res://scripts/net/server_config.gd").new()
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c.path = p
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DirAccess.make_dir_recursive_absolute(p.get_base_dir())
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var loaded: Variant = JSON.parse_string(FileAccess.get_file_as_string(p)) if FileAccess.file_exists(p) else null
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c.data = DEFAULTS.duplicate(true)
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if loaded is Dictionary:
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for k in loaded:
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c.data[k] = loaded[k]
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else:
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c.save() # first run: write the defaults so they can be edited
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var n: Variant = JSON.parse_string(FileAccess.get_file_as_string(c.names_path())) \
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if FileAccess.file_exists(c.names_path()) else null
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if n is Dictionary:
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c.names = n
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return c
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func names_path() -> String:
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return path.get_base_dir().path_join("names.json")
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func save() -> void:
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_write(path, data)
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func save_names() -> void:
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_write(names_path(), names)
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static func _write(p: String, d: Dictionary) -> void:
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var tmp := p + ".tmp"
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var f := FileAccess.open(tmp, FileAccess.WRITE)
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if f == null:
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push_error("[server] couldn't write %s" % p)
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return
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f.store_string(JSON.stringify(d, "\t"))
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f.close()
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DirAccess.rename_absolute(tmp, p)
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## A setting's value for this run (a flag beats the file).
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func v(k: String) -> Variant:
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return overrides.get(k, data.get(k))
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func public_info() -> Dictionary:
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var out := {}
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for k in PUBLIC:
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out[k] = v(k)
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return out
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## The player id holding `n`, or "" if it's free.
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func name_owner(n: String) -> String:
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return String(names.get(n.to_lower(), {}).get("id", ""))
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## Gives `n` to `id`, releasing any other name that id held.
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func reserve_name(n: String, id: String) -> void:
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for k in names.keys():
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if names[k].id == id and k != n.to_lower():
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names.erase(k)
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names[n.to_lower()] = {"name": n, "id": id}
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save_names()
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func is_admin(id: String) -> bool:
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return id in data.admins
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func add_admin(id: String) -> void:
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if not id in data.admins:
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data.admins.append(id)
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save()
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