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e480f32265
* fix(pumpkin): stop entities from duplicating on chunk reload Entities lived in two places at once: the live World::entities list and the serialized NBT in the entity chunk's data. On load the saved NBT was turned into live entities but never cleared, and on unload each live entity was appended back onto that still-populated list - so the persisted entity count doubled every load/unload (reconnect) cycle. Freshly spawned entities hit the same trap: add_entity_silent pushed their NBT into the chunk immediately, so they were both live and serialized, doubling on the first unload too. Make the live entity the single source of truth, matching vanilla: - on load, take (clear) the chunk's serialized entities as they become live, and restore their persisted UUID so they keep their identity; - a second watcher of an already-loaded chunk is sent spawn packets built from the live entities, not the stale NBT; - entities are serialized fresh, from their current live state, only when their chunk unloads (save_entity); - add_entity_silent no longer serializes on spawn. Because the live entity is serialized fresh on unload, any change made to it while loaded (health, effects, ...) is persisted automatically, without having to be written back to the chunk data by hand. * Move UUID int-array NBT helpers into pumpkin-nbt Review feedback: the UUID read helper doesn't belong in world/mod.rs. NbtCompound now has put_uuid/get_uuid for the vanilla 4-int-array layout, used by both Entity::write_nbt and the entity chunk loader. Serialized bytes are unchanged.
30 lines
542 B
TOML
30 lines
542 B
TOML
[package]
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name = "pumpkin-nbt"
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version.workspace = true
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edition.workspace = true
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rust-version.workspace = true
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license.workspace = true
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[dependencies]
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pumpkin-codecs.workspace = true
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serde.workspace = true
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thiserror.workspace = true
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bytes.workspace = true
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uuid.workspace = true
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cesu8.workspace = true
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flate2.workspace = true
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tracing.workspace = true
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[dev-dependencies]
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tempfile.workspace = true
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criterion.workspace = true
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serde = { version = "1.0", features = ["derive"] }
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[[bench]]
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name = "nbt"
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harness = false
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[lints]
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workspace = true
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