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437 lines
13 KiB
Rust
437 lines
13 KiB
Rust
//! Biome data structures
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use serde::{Deserialize, Serialize};
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use super::Color;
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/// Grass color modifier used by a biome
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#[derive(Debug, Clone, Copy, PartialEq, Eq, Hash, Serialize, Deserialize)]
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pub enum BiomeGrassColorModifier {
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/// Grass color modifier used by the dark forest biome
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DarkForest,
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/// Grass color modifier used by swamp biomes
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Swamp,
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}
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/// A biome specification
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///
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/// A Biome contains all information about a biome necessary to compute a block
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/// color given a block type and depth
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#[derive(Debug, Clone, Copy, PartialEq, Eq, Hash, Serialize, Deserialize)]
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pub struct Biome {
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/// Temperature value
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///
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/// For more efficient storage, the temperature is stored as an integer
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/// after mutiplying the raw value by 20
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pub temp: i8,
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/// Downfall value
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///
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/// For more efficient storage, the downfall is stored as an integer
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/// after mutiplying the raw value by 20
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pub downfall: i8,
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/// Water color override
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pub water_color: Option<Color>,
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/// Foliage color override
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pub foliage_color: Option<Color>,
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/// Grass color override
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pub grass_color: Option<Color>,
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/// Grass color modifier
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pub grass_color_modifier: Option<BiomeGrassColorModifier>,
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}
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impl Biome {
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/// Constructs a new Biome
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const fn new(temp: i16, downfall: i16) -> Biome {
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/// Helper to encode temperature and downfall values
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///
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/// Converts temperatue and downfall from the input format
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/// (mutiplied by 100) to i8 range for more efficient storage.
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const fn encode(v: i16) -> i8 {
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(v / 5) as i8
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}
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Biome {
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temp: encode(temp),
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downfall: encode(downfall),
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grass_color_modifier: None,
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water_color: None,
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foliage_color: None,
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grass_color: None,
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}
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}
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/// Builder function to override the biome water color
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const fn water(self, water_color: [u8; 3]) -> Biome {
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Biome {
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water_color: Some(Color(water_color)),
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..self
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}
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}
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/// Builder function to override the biome foliage color
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const fn foliage(self, foliage_color: [u8; 3]) -> Biome {
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Biome {
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foliage_color: Some(Color(foliage_color)),
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..self
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}
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}
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/// Builder function to override the biome grass color
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const fn grass(self, grass_color: [u8; 3]) -> Biome {
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Biome {
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grass_color: Some(Color(grass_color)),
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..self
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}
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}
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/// Builder function to set a grass color modifier
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const fn modify(self, grass_color_modifier: BiomeGrassColorModifier) -> Biome {
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Biome {
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grass_color_modifier: Some(grass_color_modifier),
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..self
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}
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}
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/// Decodes a temperature or downfall value from the storage format to
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/// f32 for further calculation
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fn decode(val: i8) -> f32 {
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f32::from(val) / 20.0
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}
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/// Returns the biome's temperature decoded to its original float value
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pub fn temp(&self) -> f32 {
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Self::decode(self.temp)
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}
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/// Returns the biome's downfall decoded to its original float value
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pub fn downfall(&self) -> f32 {
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Self::decode(self.downfall)
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}
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}
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/// Standard biome specifications
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pub const BIOMES: &[(&str, Biome)] = {
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use BiomeGrassColorModifier::*;
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// Data extracted from Minecraft code decompiled using https://github.com/Hexeption/MCP-Reborn
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// We can't use floats in const functions, to temperature and downfall values
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// are specified multipled by 100. The underscore is used in place of the decimal point
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// of the original values.
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#[allow(clippy::zero_prefixed_literal)]
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&[
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// Overworld
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(
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"badlands",
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Biome::new(2_00, 0_00)
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.foliage([158, 129, 77])
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.grass([144, 129, 77]),
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),
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("bamboo_jungle", Biome::new(0_95, 0_90)),
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("beach", Biome::new(0_80, 0_40)),
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("birch_forest", Biome::new(0_60, 0_60)),
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(
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"cherry_grove",
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Biome::new(0_50, 0_80)
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.water([93, 183, 239])
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.grass([182, 219, 97])
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.foliage([182, 219, 97]),
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),
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("cold_ocean", Biome::new(0_50, 0_50).water([61, 87, 214])),
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("dark_forest", Biome::new(0_70, 0_80).modify(DarkForest)),
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(
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"deep_cold_ocean",
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Biome::new(0_50, 0_50).water([61, 87, 214]),
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),
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("deep_dark", Biome::new(0_80, 0_40)),
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(
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"deep_frozen_ocean",
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Biome::new(0_50, 0_50).water([57, 56, 201]),
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),
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(
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"deep_lukewarm_ocean",
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Biome::new(0_50, 0_50).water([69, 173, 242]),
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),
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("deep_ocean", Biome::new(0_50, 0_50)),
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("desert", Biome::new(2_00, 0_00)),
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("dripstone_caves", Biome::new(0_80, 0_40)),
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(
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"eroded_badlands",
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Biome::new(2_00, 0_00)
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.foliage([158, 129, 77])
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.grass([144, 129, 77]),
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),
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("flower_forest", Biome::new(0_70, 0_80)),
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("forest", Biome::new(0_70, 0_80)),
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("frozen_ocean", Biome::new(0_00, 0_50).water([57, 56, 201])),
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("frozen_peaks", Biome::new(-0_70, 0_90)),
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("frozen_river", Biome::new(0_00, 0_50).water([57, 56, 201])),
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("grove", Biome::new(-0_20, 0_80)),
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("ice_spikes", Biome::new(0_00, 0_50)),
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("jagged_peaks", Biome::new(-0_70, 0_90)),
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("jungle", Biome::new(0_95, 0_90)),
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(
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"lukewarm_ocean",
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Biome::new(0_50, 0_50).water([69, 173, 242]),
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),
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("lush_caves", Biome::new(0_50, 0_50)),
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(
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"mangrove_swamp",
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Biome::new(0_80, 0_90)
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.water([58, 122, 106])
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.foliage([141, 177, 39])
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.modify(Swamp),
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),
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("meadow", Biome::new(0_50, 0_80).water([14, 78, 207])),
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("mushroom_fields", Biome::new(0_90, 1_00)),
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("ocean", Biome::new(0_50, 0_50)),
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("old_growth_birch_forest", Biome::new(0_60, 0_60)),
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("old_growth_pine_taiga", Biome::new(0_30, 0_80)),
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("old_growth_spruce_taiga", Biome::new(0_25, 0_80)),
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("plains", Biome::new(0_80, 0_40)),
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("river", Biome::new(0_50, 0_50)),
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("savanna", Biome::new(2_00, 0_00)),
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("savanna_plateau", Biome::new(2_00, 0_00)),
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("snowy_beach", Biome::new(0_05, 0_30).water([61, 87, 214])),
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("snowy_plains", Biome::new(0_00, 0_50)),
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("snowy_slopes", Biome::new(-0_30, 0_90)),
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("snowy_taiga", Biome::new(-0_50, 0_40).water([61, 87, 214])),
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("sparse_jungle", Biome::new(0_95, 0_80)),
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("stony_peaks", Biome::new(1_00, 0_30)),
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("stony_shore", Biome::new(0_20, 0_30)),
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("sunflower_plains", Biome::new(0_80, 0_40)),
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(
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"swamp",
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Biome::new(0_80, 0_90)
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.water([97, 123, 100])
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.foliage([106, 112, 57])
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.modify(Swamp),
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),
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("taiga", Biome::new(0_25, 0_80)),
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("the_void", Biome::new(0_50, 0_50)),
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("warm_ocean", Biome::new(0_50, 0_50).water([67, 213, 238])),
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("windswept_forest", Biome::new(0_20, 0_30)),
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("windswept_gravelly_hills", Biome::new(0_20, 0_30)),
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("windswept_hills", Biome::new(0_20, 0_30)),
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("windswept_savanna", Biome::new(2_00, 0_00)),
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(
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"wooded_badlands",
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Biome::new(2_00, 0_00)
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.foliage([158, 129, 77])
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.grass([144, 129, 77]),
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),
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// Nether
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("basalt_deltas", Biome::new(2_00, 0_00)),
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("crimson_forest", Biome::new(2_00, 0_00)),
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("nether_wastes", Biome::new(2_00, 0_00)),
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("soul_sand_valley", Biome::new(2_00, 0_00)),
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("warped_forest", Biome::new(2_00, 0_00)),
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// End
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("end_barrens", Biome::new(0_50, 0_50)),
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("end_highlands", Biome::new(0_50, 0_50)),
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("end_midlands", Biome::new(0_50, 0_50)),
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("small_end_islands", Biome::new(0_50, 0_50)),
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("the_end", Biome::new(0_50, 0_50)),
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]
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};
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/// Biome ID aliases
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///
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/// Some biomes have been renamed or merged in recent Minecraft versions.
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/// Maintain a list of aliases to support chunks saved by older versions.
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pub const BIOME_ALIASES: &[(&str, &str)] = &[
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// Biomes fix
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("beaches", "beach"),
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("cold_beach", "snowy_beach"),
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("cold_deep_ocean", "deep_cold_ocean"),
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("extreme_hills", "mountains"),
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("extreme_hills_with_trees", "wooded_mountains"),
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("forest_hills", "wooded_hills"),
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("frozen_deep_ocean", "deep_frozen_ocean"),
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("hell", "nether_wastes"),
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("ice_flats", "snowy_tundra"),
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("ice_mountains", "snowy_mountains"),
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("lukewarm_deep_ocean", "deep_lukewarm_ocean"),
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("mesa", "badlands"),
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("mesa_clear_rock", "badlands_plateau"),
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("mesa_rock", "wooded_badlands_plateau"),
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("mushroom_island", "mushroom_fields"),
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("mushroom_island_shore", "mushroom_field_shore"),
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("mutated_birch_forest", "tall_birch_forest"),
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("mutated_birch_forest_hills", "tall_birch_hills"),
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("mutated_desert", "desert_lakes"),
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("mutated_extreme_hills", "gravelly_mountains"),
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(
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"mutated_extreme_hills_with_trees",
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"modified_gravelly_mountains",
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),
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("mutated_forest", "flower_forest"),
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("mutated_ice_flats", "ice_spikes"),
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("mutated_jungle", "modified_jungle"),
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("mutated_jungle_edge", "modified_jungle_edge"),
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("mutated_mesa", "eroded_badlands"),
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("mutated_mesa_clear_rock", "modified_badlands_plateau"),
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("mutated_mesa_rock", "modified_wooded_badlands_plateau"),
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("mutated_plains", "sunflower_plains"),
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("mutated_redwood_taiga", "giant_spruce_taiga"),
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("mutated_redwood_taiga_hills", "giant_spruce_taiga_hills"),
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("mutated_roofed_forest", "dark_forest_hills"),
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("mutated_savanna", "shattered_savanna"),
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("mutated_savanna_rock", "shattered_savanna_plateau"),
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("mutated_swampland", "swamp_hills"),
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("mutated_taiga", "taiga_mountains"),
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("mutated_taiga_cold", "snowy_taiga_mountains"),
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("redwood_taiga", "giant_tree_taiga"),
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("redwood_taiga_hills", "giant_tree_taiga_hills"),
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("roofed_forest", "dark_forest"),
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("savanna_rock", "savanna_plateau"),
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("sky", "the_end"),
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("sky_island_barren", "end_barrens"),
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("sky_island_high", "end_highlands"),
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("sky_island_low", "small_end_islands"),
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("sky_island_medium", "end_midlands"),
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("smaller_extreme_hills", "mountain_edge"),
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("stone_beach", "stone_shore"),
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("swampland", "swamp"),
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("taiga_cold", "snowy_taiga"),
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("taiga_cold_hills", "snowy_taiga_hills"),
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("void", "the_void"),
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("warm_deep_ocean", "deep_warm_ocean"),
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// Nether biome rename
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("nether", "nether_wastes"),
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// Caves and Cliffs biome renames
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("badlands_plateau", "badlands"),
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("bamboo_jungle_hills", "bamboo_jungle"),
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("birch_forest_hills", "birch_forest"),
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("dark_forest_hills", "dark_forest"),
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("desert_hills", "desert"),
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("desert_lakes", "desert"),
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("giant_spruce_taiga", "old_growth_spruce_taiga"),
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("giant_spruce_taiga_hills", "old_growth_spruce_taiga"),
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("giant_tree_taiga", "old_growth_pine_taiga"),
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("giant_tree_taiga_hills", "old_growth_pine_taiga"),
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("gravelly_mountains", "windswept_gravelly_hills"),
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("jungle_edge", "sparse_jungle"),
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("jungle_hills", "jungle"),
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("lofty_peaks", "jagged_peaks"),
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("modified_badlands_plateau", "badlands"),
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("modified_gravelly_mountains", "windswept_gravelly_hills"),
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("modified_jungle", "jungle"),
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("modified_jungle_edge", "sparse_jungle"),
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("modified_wooded_badlands_plateau", "wooded_badlands"),
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("mountain_edge", "windswept_hills"),
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("mountains", "windswept_hills"),
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("mushroom_field_shore", "mushroom_fields"),
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("shattered_savanna", "windswept_savanna"),
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("shattered_savanna_plateau", "windswept_savanna"),
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("snowcapped_peaks", "frozen_peaks"),
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("snowy_mountains", "snowy_plains"),
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("snowy_taiga_hills", "snowy_taiga"),
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("snowy_taiga_mountains", "snowy_taiga"),
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("snowy_tundra", "snowy_plains"),
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("stone_shore", "stony_shore"),
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("swamp_hills", "swamp"),
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("taiga_hills", "taiga"),
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("taiga_mountains", "taiga"),
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("tall_birch_forest", "old_growth_birch_forest"),
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("tall_birch_hills", "old_growth_birch_forest"),
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("wooded_badlands_plateau", "wooded_badlands"),
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("wooded_hills", "forest"),
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("wooded_mountains", "windswept_forest"),
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// Remove Deep Warm Ocean
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("deep_warm_ocean", "warm_ocean"),
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];
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/// Maps old numeric biome IDs to new string IDs
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pub fn legacy_biome(index: u8) -> &'static str {
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match index {
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0 => "ocean",
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1 => "plains",
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2 => "desert",
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3 => "mountains",
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4 => "forest",
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5 => "taiga",
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6 => "swamp",
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7 => "river",
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8 => "nether_wastes",
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9 => "the_end",
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10 => "frozen_ocean",
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11 => "frozen_river",
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12 => "snowy_tundra",
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13 => "snowy_mountains",
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14 => "mushroom_fields",
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15 => "mushroom_field_shore",
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16 => "beach",
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17 => "desert_hills",
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18 => "wooded_hills",
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19 => "taiga_hills",
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20 => "mountain_edge",
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21 => "jungle",
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22 => "jungle_hills",
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23 => "jungle_edge",
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24 => "deep_ocean",
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25 => "stone_shore",
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26 => "snowy_beach",
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27 => "birch_forest",
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28 => "birch_forest_hills",
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29 => "dark_forest",
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30 => "snowy_taiga",
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31 => "snowy_taiga_hills",
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32 => "giant_tree_taiga",
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33 => "giant_tree_taiga_hills",
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34 => "wooded_mountains",
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35 => "savanna",
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36 => "savanna_plateau",
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37 => "badlands",
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38 => "wooded_badlands_plateau",
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39 => "badlands_plateau",
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40 => "small_end_islands",
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41 => "end_midlands",
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42 => "end_highlands",
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43 => "end_barrens",
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44 => "warm_ocean",
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45 => "lukewarm_ocean",
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46 => "cold_ocean",
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47 => "deep_warm_ocean",
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48 => "deep_lukewarm_ocean",
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49 => "deep_cold_ocean",
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50 => "deep_frozen_ocean",
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127 => "the_void",
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129 => "sunflower_plains",
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130 => "desert_lakes",
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131 => "gravelly_mountains",
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132 => "flower_forest",
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133 => "taiga_mountains",
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134 => "swamp_hills",
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140 => "ice_spikes",
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149 => "modified_jungle",
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151 => "modified_jungle_edge",
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155 => "tall_birch_forest",
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156 => "tall_birch_hills",
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157 => "dark_forest_hills",
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158 => "snowy_taiga_mountains",
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160 => "giant_spruce_taiga",
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161 => "giant_spruce_taiga_hills",
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162 => "modified_gravelly_mountains",
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163 => "shattered_savanna",
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164 => "shattered_savanna_plateau",
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165 => "eroded_badlands",
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166 => "modified_wooded_badlands_plateau",
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167 => "modified_badlands_plateau",
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168 => "bamboo_jungle",
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169 => "bamboo_jungle_hills",
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170 => "soul_sand_valley",
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171 => "crimson_forest",
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172 => "warped_forest",
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173 => "basalt_deltas",
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174 => "dripstone_caves",
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175 => "lush_caves",
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177 => "meadow",
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178 => "grove",
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|
179 => "snowy_slopes",
|
|
180 => "snowcapped_peaks",
|
|
181 => "lofty_peaks",
|
|
182 => "stony_peaks",
|
|
_ => "ocean",
|
|
}
|
|
}
|