Public Access
110 lines
5.4 KiB
Markdown
110 lines
5.4 KiB
Markdown
# Age creation and administration
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## Creation
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A page-free Descriptive Book creates an Age when the player assigns a name and
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presses **Create**. Rivencraft immediately assigns a UUID, derives a unique
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Minecraft-safe dimension identifier from the requested name, rolls a seed and
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traits, and persists that definition before asking Dynamic Dimensions to create
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the runtime world. Names that normalize to the same identifier receive stable
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suffixes such as `_2` and `_3`.
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The selected terrain profile, biome distribution, lighting, weather, celestial
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period, celestial angle, and phase are deterministic and become part of the
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saved definition. A five-by-five non-dropping Crystal Platform with clear headroom is
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prepared at a safe arrival point. The completed book and every copy carrying
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the same UUID resolve to that definition.
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Creating an Age can take several ticks. The book cannot be reopened while its
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creation request is active. If creation is interrupted after the definition is
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saved, using the book again resumes from the same immutable definition instead
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of rolling a replacement.
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## Persistence
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Rivencraft owns each Age definition for the lifetime of a world. A definition
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contains the Age UUID, canonical name, seed, generation version, runtime
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dimension identifier, spawn, and deterministic traits. Definitions are stored
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in the Overworld saved data and are never rerolled during ordinary loading.
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Runtime terrain and entity data remain in the normal world dimension storage
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managed by Minecraft and Dynamic Dimensions. Back up the complete world folder
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while the server is stopped; copying only a dimension folder does not preserve
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the authoritative Age registry.
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## Lifecycle
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An Age definition is created before its runtime dimension. If dimension
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creation is interrupted, the saved definition remains authoritative and the
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same Age is reconstructed the next time its Descriptive Book is used.
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Registered Ages load when the server starts. A book also loads its destination
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on demand when an administrator previously unloaded it. Unloading retains the
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definition and world folder, so existing books continue to reference the same
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Age and later reload the same terrain.
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Rivencraft does not automatically delete Ages. The operator-only creative Link
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Modifier can deliberately retire an unoccupied Age: it unloads the dimension,
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moves its data to a sibling `<world>-retired-ages/<uuid>` archive, and records
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the UUID as dead so existing books cannot silently regenerate it. Back up the
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whole world first.
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Destination-preview chunk loaders are temporary. Rivencraft releases them when
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the book closes, the player travels, the player disconnects, the destination
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Age is unloaded, or the server stops.
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## Commands
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The commands require permission level 2.
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- `/rivencraft age list` lists every registered Age and whether its runtime
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dimension is currently loaded.
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- `/rivencraft age unload <dimension>` safely unloads one Age. Players in that
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Age are handled by Dynamic Dimensions, and its definition and world data are
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retained. Use the command suggestions to select a registered dimension.
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Opening a Descriptive Book for an unloaded Age loads it again from its saved
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definition.
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## Configuration
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Rivencraft writes gameplay settings to the world/server configuration managed
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by NeoForge. `descriptive_books.return_link_mode` accepts:
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- `DISABLED` (default): never create Return Links automatically.
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- `ON_CREATION`: create one Return Link the first time a player enters each Age.
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- `ALWAYS`: create a Return Link after every successful Descriptive Book trip.
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Each client has a separate `rivencraft-client.toml`. Its `book_preview.mode`
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setting accepts `AUTO`, `IMMERSIVE_PORTALS`, `PONDER`, or `LEGACY`. This changes
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only presentation and cannot change server-side Age generation or travel
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validation. See [PREVIEW_COMPATIBILITY.md](PREVIEW_COMPATIBILITY.md) for the
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selection matrix and integration limits.
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Runtime generation profiles are server data-pack resources. Their schema,
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override rules, reload behavior, and deterministic fallback are documented in
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[AGE_PROFILES.md](AGE_PROFILES.md).
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## Administrator recovery
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Use this sequence when a book cannot load an existing Age:
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1. Stop the server and make a copy of the complete world folder.
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2. Start the server and run `/rivencraft age list`. Confirm that the expected
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canonical name and dimension identifier remain registered.
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3. If the Age is listed as unloaded, open its Descriptive Book to reload it.
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This keeps the UUID, seed, profile, traits, and existing world folder.
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4. If a data-pack profile is missing or invalid, restore or repair that pack,
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run `/reload`, then unload and reopen the Age. A removed custom profile uses
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the deterministic `rivencraft:standard` fallback and logs the substitution.
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5. If the definition is missing, restore the complete world backup. Moving a
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dimension folder into another world cannot reconstruct its UUID or books.
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6. If the definition exists but its dimension data is damaged, restore the
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matching dimension data and authoritative world saved data from the same
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backup generation. Do not combine them from different backups.
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Do not manually delete an Age definition or rename its dimension folder:
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books may exist in inventories, containers, Book Stands, or unloaded chunks.
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`/rivencraft age unload` remains the reversible maintenance operation. The
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Link Modifier's retirement control is not reversible through a book UI;
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recover its archived data and registry together from a full-world backup.
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