Poseidon

An island on the sea floor where water is the air, with wrecks, ruins, a sunken temple, a lore book, a deep boss and growing coral.

A Poseidon island lies on the sea floor. Water is the air a Poseidon player breathes: in it they see and breathe, out of it dry air and the sun burn them, and one who stops moving in the water drowns. The Nether of a Poseidon island is flooded.

Turning it on

Set enabled = true in modules/poseidon.conf.
Add poseidon to presets.modes in modules/presets.conf.

The plugin ships four kinds, each starting with "uxm:platform" and "uxm:ocean" and a wreck:

Preset	What lies around it
`poseidon`	A shipwreck
`poseidon_ruin`	A shipwreck and a large ruin
`poseidon_ruins`	A shipwreck and a ring of small ruins
`poseidon_monument`	A shipwreck, with the island standing on a sunken temple

The ocean

The ocean fills the air around the island and never replaces a block the island already has.

Setting	Shipped	What it does
`ocean.above`	`24`	How many blocks of water stand over the arrival
`ocean.depth`	`8`	How many blocks of water lie under it, down to the floor
`ocean.radius`	`64`	How far the ocean reaches. Keep it inside half the grid spacing
`ocean.floor`	`SANDSTONE`	The block it stands on. A falling block is replaced by sandstone

Wrecks and ruins

Each entry of wrecks is a creation action a preset names as "uxm:<name>": "uxm:shipwreck", "uxm:ruin" and "uxm:ruins" as shipped. Add an entry under a name of your own and a preset can name it. A template only fills water and air, so it never breaks into the island.

Key	What it does
`templates`	The structures to choose from, the game's own or a data pack's
`count`	How many are laid, spread evenly around the island
`distance`	How far from the centre each lies. Keep it inside the ocean's radius
`loot`	The loot tables the chests get, each in turn

monument is the sunken temple "uxm:monument" lays right under the island: the island stands on its roof, and a swimmer comes in by the door on each side. Its template schematic:monument is schematics/monument.schem, written on the first start, to edit with any tool that writes a Sponge schematic or with /is schematic save. Keep its height below the ocean's depth.

The hazard

A player in creative or spectator is never touched.

Setting	Shipped	What it does
`hazard.check-every`	`1s`	How often each player on a Poseidon island is checked
`hazard.dry-damage`	`1.0`	Health taken at each check from a player out of the water
`hazard.sun-damage`	`2.0`	Health the sun adds, out of the water under an open daytime sky
`hazard.still-damage`	`2.0`	Health taken from a swimmer who has stayed still too long
`hazard.still-after`	`5s`	How long a swimmer may stay still before the water hurts
`hazard.still-reach`	`1.0`	How far a swimmer must move, in blocks, to count as moving
`hazard.rain-is-wet`	`true`	Whether rain keeps a player out of the water from drying
`hazard.water-effects`	water breathing, night vision	Effects the water gives. Keep each longer than `check-every`

The lore book

/is lore opens a book that follows the story: a book on Java, a form on Bedrock. After its opening pages come the chapters of the missions lore.chapters lists, in order. A chapter is the lines of poseidon.lore.chapters.<mission> in the reader's language file, shown once the reader has finished that mission. The first chapter not yet earned is a page that names its mission, and nothing after it shows. Leave the list empty for a book without a story.

The deep boss

Now and then, while a player swims on a Poseidon island, something rises from the deep beside them. One island sees at most one boss at a time.

Setting	Shipped	What it does
`boss.entity`	`elder_guardian`	The creature that rises
`boss.health`	`160`	Its health
`boss.check-every`, `boss.chance`	`1m`, `0.05`	How often a swimmer is looked at, and the chance each look
`boss.every`	`2h`	The least time between two bosses on one island
`boss.lasts`	`10m`	How long before it sinks back unslain
`boss.loot`	`deep_boss`	The table of `loot/` whoever slays it is given

The effect lists poseidon-boss-rises, poseidon-boss-slain and poseidon-boss-sinks of modules/effects.conf fire for every player on the island.

Coral

Coral spreads slowly on a Poseidon island. At each look, coral.samples blocks within coral.radius of each player are looked at, and a living coral block among them grows, by coral.chance, a coral or a fan of its colour into the water above it, or a fan onto its side. Plant coral blocks to grow a reef.

Commands

Command	What it does
`/is lore`	Reads the lore of the sea on a Poseidon island

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