Add biomes to overworld config for testing

biomes/abstract/base.yml

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+id: BASE
+type: BIOME
+abstract: true
+extends:
+  - DEPOSITS_DEFAULT
+  - ORES_DEFAULT
+
+slant-depth: 15
+
+ocean:
+  palette: BLOCK:minecraft:water
+  level: 62
+
+features:
+  global-preprocessors:
+    - LAVA_FLOOR
+    - UNDERGROUND_LAVA_COLUMNS
+    - CONTAIN_FLOATING_WATER
+    - CAVE_GLOW_LICHEN
+#    - GRASS_PLATFORMS
+#    - TEXTURED_DIORITE_SLANT
+#    - TEXTURED_GRANITE_SLANT
+#    - TEXTURED_ANDESITE_SLANT
+    - TEXTURED_STONE_SLANT
+  underwater-flora:
+    - KELP
+    - SEAGRASS

biomes/abstract/carving/carving_land.yml

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+id: CARVING_LAND
+type: BIOME
+abstract: true
+
+carving:
+  sampler:
+    dimensions: 3
+    type: EXPRESSION
+    variables:
+
+      carvingThreshold: 0.55 # Higher = less carving
+      carvingMinHeight: -63
+      carvingMinTaper: 8
+      carvingMaxHeight: 140
+      carvingMaxTaper: 20
+      carvingCap: 1 # Caps the amount of base carving
+
+      cheeseStrength: 0.8
+      cheeseHorizontalFrequency: 1.5
+      cheeseVerticalFrequency: 3
+      cheeseMaxHeight: 90
+      cheeseMaxTaper: 40
+
+      spaghettiStrengthLarge: 0.59
+      spaghettiStrengthSmall: 0.57
+
+      pillarStrength: 0.5
+      pillarRadius: 0.02
+
+      megaCaveStrength: 0.3
+      megaCaveSize: 0.3
+
+    expression: |
+      -carvingThreshold
+      + if(y<carvingMinHeight||y>carvingMaxHeight,0,maskSmooth(maskSmooth( // Skip unnecessary calculations
+        min(carvingCap,
+          max(
+            // Spaghetti Caves
+            max(
+              spaghettiStrengthLarge * ((-(|simplex3(x,y+0000,z)|+|simplex3(x,y+1000,z)|)/2)+1),
+              spaghettiStrengthSmall * ((-(|simplex3(x,y+2000,z)|+|simplex3(x,y+3000,z)|)/2)+1)
+            ),
+
+            // Cheese caves
+            if(y>cheeseMaxHeight,0,
+              maskSmooth(
+                cheeseStrength * (simplex3(
+                  x * cheeseHorizontalFrequency,
+                  (y + simplex2(x, z) * 5) * cheeseVerticalFrequency,
+                  z * cheeseHorizontalFrequency
+                )+1)/2
+
+                // Mega caves
+                +lerp(megaCaves(x, y, z), 1-megaCaveSize, 0, 1, megaCaveStrength)
+
+                // Pillars
+                -lerp(cavePillars(x, z),-1+pillarRadius,0,-1,1) * pillarStrength,
+      
+                // Cheese clamp parameters
+                cheeseMaxHeight, cheeseMaxHeight - cheeseMaxTaper, y
+              )
+            )
+          )
+        ),
+        // Clamp parameters
+        carvingMinHeight, carvingMinHeight + carvingMinTaper, y
+        ),
+        carvingMaxHeight, carvingMaxHeight - carvingMaxTaper, y
+      ))
+
+    samplers:
+      cavePillars:
+        dimensions: 2
+        type: CELLULAR
+        frequency: 0.05
+
+      megaCaves:
+        dimensions: 3
+        type: OPEN_SIMPLEX_2
+        salt: 777
+        frequency: 0.003
+
+      # Basic 2D simplex noise
+      simplex2:
+        dimensions: 2
+        type: LINEAR
+        min: -0.9
+        max: 0.9
+        sampler:
+          type: FBM
+          octaves: 4
+          sampler:
+            type: OPEN_SIMPLEX_2
+            frequency: 0.0075
+
+      # Basic 3D simplex noise
+      simplex3:
+        dimensions: 3
+        type: FBM
+        octaves: 2
+        sampler:
+          type: OPEN_SIMPLEX_2
+          frequency: 0.0075

biomes/abstract/carving/carving_ocean.yml

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+id: CARVING_OCEAN
+type: BIOME
+abstract: true
+
+carving:
+  sampler:
+    dimensions: 3
+    type: EXPRESSION
+    variables:
+      "<<":
+        - biomes/abstract/carving/carving_land.yml:carving.sampler.variables
+      carvingMaxHeight: 40
+
+    expression: $biomes/abstract/carving/carving_land.yml:carving.sampler.expression
+    samplers: $biomes/abstract/carving/carving_land.yml:carving.sampler.samplers

biomes/abstract/cave/cave.yml

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+id: CAVE
+abstract: true
+type: BIOME
+extends: [ CARVING_LAND ]
+
+carving:
+  update-palette: true
+
+terrain:
+  sampler:
+    type: CONSTANT
+    dimensions: 3
+    value: 10

biomes/abstract/color/color_frozen.yml

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+id: COLOR_FROZEN
+type: BIOME
+abstract: true
+
+colors:
+  sky: 0xe4f1ff
+  fog: 0xbacddc
+  grass: 0xe9f2e2
+  foliage: 0x1f4418
+  water: 0x3181ff
+  water-fog: 0x2756ab

biomes/abstract/color/color_tundra.yml

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+id: COLOR_TUNDRA
+type: BIOME
+abstract: true
+
+colors:
+  sky: 0xe4f1ff
+  fog: 0xbacddc
+  grass: 0xda771d
+  foliage: 0xa75c42
+  water: 0x3181ff
+  water-fog: 0x2756ab
+

biomes/abstract/color/color_xeric.yml

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+id: COLOR_XERIC
+type: BIOME
+abstract: true
+
+colors:
+  sky: 0xc5ffff
+  fog: 0xfffce1
+  grass: 0xbdd394
+  foliage: 0x8cbb5e
+  water: 0x3497cb
+  water-fog: 0x5c83b9

biomes/abstract/features/deposits/deposits_default.yml

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+id: DEPOSITS_DEFAULT
+type: BIOME
+abstract: true
+
+features:
+  deposits:
+    - ANDESITE_DEPOSITS
+    - DIORITE_DEPOSITS
+    - DIRT_DEPOSITS
+    - GRANITE_DEPOSITS
+    - GRAVEL_DEPOSITS
+    - TUFF_DEPOSITS
+    - UNDERGROUND_MAGMA_BLOCK_DEPOSITS

biomes/abstract/features/ores/ores_default.yml

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+id: ORES_DEFAULT
+type: BIOME
+abstract: true
+
+features:
+  ores:
+    - DIAMOND_ORE
+    - LAPIS_ORE
+    - LAPIS_ORE_UNIFORM
+    - GOLD_ORE
+    - GOLD_ORE_UNIFORM
+    - IRON_ORE
+    - IRON_ORE_HIGH
+    - IRON_ORE_UNIFORM
+    - COAL_ORE
+    - COAL_ORE_UNIFORM
+    - COPPER_ORE
+    - REDSTONE_ORE
+    - REDSTONE_ORE_UNIFORM
+    - AMETHYST_GEODES
+    - IRON_ORE_VEINS
+    - COPPER_ORE_VEINS

biomes/abstract/features/river/river_basic.yml

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+id: RIVER_BASIC
+type: BIOME
+abstract: true
+
+features:
+  river-decoration:
+    - CLAY_DEPOSITS

biomes/abstract/features/river/river_dripstone.yml

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+id: RIVER_DRIPSTONE
+type: BIOME
+abstract: true
+
+features:
+  river-decoration:
+    - CLAY_DEPOSITS
+    - MOUNTAIN_RIVER_DRIPSTONE_DEPOSITS
+    - MOUNTAIN_RIVER_POINTED_DRIPSTONE
+    - LARGE_CEILING_VINES
+    - MOUNTAIN_RIVER_GLOW_LICHEN

biomes/abstract/features/river/river_frozen.yml

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+id: RIVER_FROZEN
+type: BIOME
+abstract: true
+
+features:
+  river-decoration:
+    - CEILING_ICICLES
+    - CLAY_DEPOSITS

biomes/abstract/palettes/palette_ocean.yml

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+id: PALETTE_OCEAN
+type: BIOME
+abstract: true
+
+palette:
+  - SAND: 319
+  - << meta.yml:palette-bottom
+
+slant-depth: 4
+
+slant:
+  - threshold: 2.5
+    palette:
+      - BLOCK:minecraft:stone: 319
+      - GRAVEL: 61
+      - << meta.yml:palette-bottom

biomes/abstract/terrain/aquatic/deep-ocean/eq_deep_ocean.yml

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+id: EQ_DEEP_OCEAN
+type: BIOME
+abstract: true
+
+# Simple relatively flat terrain under ocean level.
+
+terrain:
+  sampler:
+    dimensions: 3
+    type: LINEAR_HEIGHTMAP
+    base: 20
+  sampler-2d:
+    dimensions: 2
+    type: EXPRESSION
+    variables:
+      height: 30
+    expression: "|simplex(x/2, z/2)| * height"

biomes/abstract/terrain/aquatic/deep-ocean/eq_ocean_trench.yml

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+id: EQ_OCEAN_TRENCH
+type: BIOME
+abstract: true
+
+# Rocky terrain far under ocean level.
+
+terrain:
+  sampler:
+    dimensions: 3
+    type: LINEAR_HEIGHTMAP
+    base: 20
+  sampler-2d:
+    dimensions: 2
+    type: EXPRESSION
+    variables:
+      height: 60
+    expression: "|simplex(x/2, z/2)| * height"

biomes/abstract/terrain/aquatic/ocean/eq_ocean.yml

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+id: EQ_OCEAN
+type: BIOME
+abstract: true
+extends: NO_TERRAIN_2D
+
+# Simple relatively flat terrain under ocean level.
+
+terrain:
+  sampler:
+    dimensions: 3
+    type: LINEAR_HEIGHTMAP
+    base: 40
+  sampler-2d:
+    dimensions: 2
+    type: EXPRESSION
+    variables:
+      height: 20
+    expression: "|simplex(x/2, z/2)| * height"

biomes/abstract/terrain/aquatic/river/eq_river.yml

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+id: EQ_RIVER
+type: BIOME
+abstract: true
+extends: NO_TERRAIN_2D
+
+# Generic river terrain.
+
+vars: &variables
+  base: 50
+  height: 4
+  density: 2
+
+  # Erosion - subtracts from surrounding terrain to make the rivers look eroded
+  erosion: 300 # Strength of erosion
+  erosionYMax: 90 # The height that erosion is capped by
+  erosionYMid: 75 # The height that erosion is strongest
+  erosionYMin: 66 # The height that erosion starts
+
+terrain:
+  sampler:
+    dimensions: 3
+    type: EXPRESSION
+    expression: |
+      (
+        -y + base + (simplex(x, z)+1)/2 * height
+        // Erode
+        -|erosion(x,y/3,z)|
+        * erosion
+        * max(0, min((y-erosionYMin)/(erosionYMid-erosionYMin),(y-erosionYMax)/(erosionYMid-erosionYMax)))
+      ) * density
+    variables: *variables
+    samplers:
+      erosion:
+        dimensions: 3
+        type: OPEN_SIMPLEX_2
+        frequency: 0.03