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Features

文档版本：1.21.50.25

Features are decorations scattered throughout the world. Things such as trees, plants, flowers, springs, ore, and coral are all features. Basically, if it isn't the terrain or a mob, it's probably a feature!

架构

features:
{
  format_version "format_version"
  aggregate_feature "minecraft:aggregate_feature"
  cave_carver_feature "minecraft:cave_carver_feature"
  fossil_feature "minecraft:fossil_feature"
  geode_feature "minecraft:geode_feature"
  growing_plant_feature "minecraft:growing_plant_feature"
  multiface_feature "minecraft:multiface_feature"
  nether_cave_carver_feature "minecraft:nether_cave_carver_feature"
  ore_feature "minecraft:ore_feature"
  partially_exposed_blob_feature "minecraft:partially_exposed_blob_feature"
  scatter_feature "minecraft:scatter_feature"
  search_feature "minecraft:search_feature"
  sequence_feature "minecraft:sequence_feature"
  single_block_feature "minecraft:single_block_feature"
  snap_to_surface_feature "minecraft:snap_to_surface_feature"
  structure_template_feature "minecraft:structure_template_feature"
  surface_relative_threshold_feature "minecraft:surface_relative_threshold_feature"
  tree_feature "minecraft:tree_feature"
  underwater_cave_carver_feature "minecraft:underwater_cave_carver_feature"
  vegetation_patch_feature "minecraft:vegetation_patch_feature"
  weighted_random_feature "minecraft:weighted_random_feature"
}
format_version：format_version
format_version:
string
minecraft:aggregate_feature：aggregate_feature
aggregate_feature:
{
  description "description"
  array "features" : opt
  {
    string "<any array element>" : opt
  }
  string "early_out" : opt
}
description：description
description:
{
  identifier "identifier"
}
identifier：identifier
The name of this feature in the form namespace_name:feature_name. feature_name must match the filename.
identifier:
string
features：array
Collection of features to be placed one by one. No guarantee of order. All features use the same input position.
features
<any array element>：string
Feature identifer
early_out：string
Do not continue placing features once either the first success or first failure has occurred.
minecraft:cave_carver_feature：cave_carver_feature
cave_carver_feature:
{
  description "description"
  identifier "fill_with"
  0 "width_modifier"
  integer "skip_carve_chance" : opt
  integer "height_limit" : opt
  array "y_scale" : opt
  {
    number "0..0" : opt
    number "1..1" : opt
  }
  array "horizontal_radius_multiplier" : opt
  {
    number "0..0" : opt
    number "1..1" : opt
  }
  array "vertical_radius_multiplier" : opt
  {
    number "0..0" : opt
    number "1..1" : opt
  }
  array "floor_level" : opt
  {
    number "0..0" : opt
    number "1..1" : opt
  }
}
description：description
fill_with：identifier
Reference to the block to fill the cave with.
identifier:
string
width_modifier：0
How many blocks to increase the cave radius by, from the center point of the cave.
0:
string

0:
number
skip_carve_chance：integer
The chance to skip doing the carve (1 / value).
height_limit：integer
The height limit where we attempt to carve
y_scale：array
The scaling in y
y_scale
0..0：number
1..1：number
horizontal_radius_multiplier：array
horizontal_radius_multiplier
0..0：number
1..1：number
vertical_radius_multiplier：array
vertical_radius_multiplier
0..0：number
1..1：number
floor_level：array
floor_level
0..0：number
1..1：number
minecraft:fossil_feature：fossil_feature
fossil_feature:
{
  description "description"
  identifier "ore_block"
  integer "max_empty_corners" : opt
}
description：description
ore_block：identifier
Reference to the block to fill the cave with.
max_empty_corners：integer
UNDOCUMENTED
minecraft:geode_feature：geode_feature
geode_feature:
{
  description "description"
  identifier "filler"
  identifier "inner_layer"
  identifier "alternate_inner_layer"
  identifier "middle_layer"
  identifier "outer_layer"
  array "inner_placements" : opt
  {
    identifier "<any array element>"
  }
  integer "min_outer_wall_distance" : opt
  integer "max_outer_wall_distance" : opt
  integer "min_distribution_points" : opt
  integer "max_distribution_points" : opt
  integer "min_point_offset" : opt
  integer "max_point_offset" : opt
  integer "max_radius" : opt
  integer "crack_point_offset" : opt
  number "generate_crack_chance" : opt
  number "base_crack_size" : opt
  number "noise_multiplier" : opt
  number "use_potential_placements_chance" : opt
  number "use_alternate_layer0_chance" : opt
  boolean "placements_require_layer0_alternate" : opt
  integer "invalid_blocks_threshold" : opt
}
description：description
filler：identifier
The block to fill the inside of the geode.
inner_layer：identifier
The block that forms the inside layer of the geode shell.
alternate_inner_layer：identifier
The block that has a chance of generating instead of inner_layer.
middle_layer：identifier
The block that forms the middle layer of the geode shell.
outer_layer：identifier
The block that forms the outer shell of the geode.
inner_placements：array
A list of blocks that may be replaced during placement. Omit this field to allow any block to be replaced.
inner_placements
<any array element>：identifier
A block that may be replaced during placement.
min_outer_wall_distance：integer
The minimum distance each distribution point must be from the outer wall. [0,10]
max_outer_wall_distance：integer
The maximum distance each distribution point can be from the outer wall. [0,20]
min_distribution_points：integer
The minimum number of points inside the distance field that can get generated. The distance field is the area consisting of all points with a minimum distance to all destribution points. [0,10]
max_distribution_points：integer
The maximum number of points inside the distance field that can get generated. The distance field is the area consisting of all points with a minimum distance to all destribution points. [0,20]
min_point_offset：integer
The lowest possible value of random offset applied to the position of each distribution point. [0,10]
max_point_offset：integer
The highest possible value of random offset applied to the position of each distribution point. [0,10]
max_radius：integer
The maximum possible radius of the geode generated.
crack_point_offset：integer
An offset applied to each distribution point that forms the geode crack opening. [0,10]
generate_crack_chance：number
The likelihood of a geode generating with a crack in its shell. [0,1]
base_crack_size：number
How large the crack opening of the geode should be when generated. [0,5]
noise_multiplier：number
A multiplier applied to the noise that is applied to the distribution points within the geode. Higher = more noisy.
use_potential_placements_chance：number
The likelihood that a special block will be placed on the inside of the geode. [0,1]
use_alternate_layer0_chance：number
The likelihood that a block in the innermost layer of the geode will be replaced with an alternate option. [0,1]
placements_require_layer0_alternate：boolean
If true, the potential placement block will only be placed on the alternate layer0 blocks that get placed. Potential placement blocks are blocks that depend on the existance of another block to be placed. The latter are the layer0 alternate blocks.
invalid_blocks_threshold：integer
The threshold of invalid blocks for a geode to have a distribution point in before it aborts generation entirely.
minecraft:growing_plant_feature：growing_plant_feature
growing_plant_feature:
{
  description "description"
  integer "age" : opt
  object "age" : opt
  {
    integer "range_max" : opt
    integer "range_min" : opt
  }
  array "height_distribution" : opt
  {
    array "<any array element>" : opt
    {
       "0..0" : opt
      number "1..1" : opt
    }
  }
  string "growth_direction" : opt
  array "body_blocks" : opt
  {
    array "<any array element>" : opt
    {
      identifier "0..0"
      range_number_type "1..1"
    }
  }
  array "head_blocks" : opt
  boolean "allow_water" : opt
}
description：description
age：integer
Age of the head of the plant.
age：object
A range.
age
range_max：integer
The maximum plant height.
range_min：integer
The minimum plant height.
height_distribution：array
Collection of weighted heights that placement will select from.
height_distribution
<any array element>：array
Collection of weighted heights that placement will select from.
<any array element>
0..0
Plant height.
1..1：number
Weight used in random selection. Value is relative to other weights in the collection.
growth_direction：string
Direction that the plant grows towards. Valid values: UP and DOWN
body_blocks：array
Collection of weighted block descriptor that placement will select from for the body of the plant.
body_blocks
<any array element>：array
Collection of weighted block descriptor that placement will select from for the plant.
<any array element>
0..0：identifier
Plant body block.
1..1：range_number_type
range_number_type:
number

range_number_type:
array
{
  number "0..0" : opt
  number "1..1" : opt
}
0..0：number
The first value of the range.
1..1：number
The second value of the range.
range_number_type:
{
  number "range_min" : opt
  number "range_max" : opt
}
range_min：number
The minimum value of the range.
range_max：number
The maximum value of the range.
head_blocks：array
Collection of weighted block descriptor that placement will select from for the body of the plant.
head_blocks
allow_water：boolean
Plant blocks can be placed in water.
minecraft:multiface_feature：multiface_feature
multiface_feature:
{
  description "description"
  identifier "places_block"
  integer "search_range" : opt
  boolean "can_place_on_floor" : opt
  boolean "can_place_on_ceiling" : opt
  boolean "can_place_on_wall" : opt
  number "chance_of_spreading" : opt
  array "can_place_on" : opt
  {
    identifier "<any array element>"
  }
}
description：description
places_block：identifier
Reference to the block to be placed.
search_range：integer
How far, in blocks, this feature can search for a valid position to place.
can_place_on_floor：boolean
Can this feature be placed on the ground (top face of a block)?.
can_place_on_ceiling：boolean
Can this feature be placed on the ceiling (bottom face of a block)?.
can_place_on_wall：boolean
Can this feature be placed on the wall (side faces of a block)?.
chance_of_spreading：number
For each block placed by this feature, how likely will that block spread to another?.
can_place_on：array
How far, in blocks, this feature can search for a valid position to place.
can_place_on
<any array element>：identifier
A list of blocks that the block in this feature can be placed on. Omit this field to allow any block to be placed on.
minecraft:nether_cave_carver_feature：nether_cave_carver_feature
nether_cave_carver_feature:
{
  description "description"
  identifier "fill_with"
  0 "width_modifier"
  integer "skip_carve_chance" : opt
  integer "height_limit" : opt
  array "y_scale" : opt
  {
    number "0..0" : opt
    number "1..1" : opt
  }
  array "horizontal_radius_multiplier" : opt
  {
    number "0..0" : opt
    number "1..1" : opt
  }
  array "vertical_radius_multiplier" : opt
  {
    number "0..0" : opt
    number "1..1" : opt
  }
  array "floor_level" : opt
  {
    number "0..0" : opt
    number "1..1" : opt
  }
}
description：description
fill_with：identifier
Reference to the block to fill the cave with.
width_modifier：0
How many blocks to increase the cave radius by, from the center point of the cave.
skip_carve_chance：integer
The chance to skip doing the carve (1 / value).
height_limit：integer
The height limit where we attempt to carve
y_scale：array
The scaling in y
y_scale
0..0：number
1..1：number
horizontal_radius_multiplier：array
horizontal_radius_multiplier
0..0：number
1..1：number
vertical_radius_multiplier：array
vertical_radius_multiplier
0..0：number
1..1：number
floor_level：array
floor_level
0..0：number
1..1：number
minecraft:ore_feature：ore_feature
ore_feature:
{
  description "description"
  number "count" : opt
  array "replace_rules" : opt
  {
    object "<any array element>" : opt
    {
      identifier "places_block"
      array "may_replace" : opt
      {
        identifier "<any array element>"
      }
    }
  }
  number "discard_chance_on_air_exposure" : opt
}
description：description
count：number
The number of blocks to be placed.
replace_rules：array
Collection of replace rules that will be checked in order of definition. If a rule is resolved, the rest will not be resolved for that block position.
replace_rules
<any array element>：object
If a rule is resolved, the rest will not be resolved for that block position.
<any array element>
places_block：identifier
Reference to the block to be placed.
may_replace：array
A list of blocks that may be replaced during placement. Omit this field to allow any block to be replaced.
may_replace
<any array element>：identifier
discard_chance_on_air_exposure：number
Chance of discarding placement if neighboring block is Air.
minecraft:partially_exposed_blob_feature：partially_exposed_blob_feature
partially_exposed_blob_feature:
{
  description "description"
  identifier "places_block"
  number "placement_radius_around_floor" : opt
  number "placement_probability_per_valid_position" : opt
  string "exposed_face" : opt
}
description：description
places_block：identifier
Reference to the block to be placed.
placement_radius_around_floor：number
Defines the cubic radius of the blob.
placement_probability_per_valid_position：number
The probability of trying to place a block at each position within the placement bounds.
exposed_face：string
Defines a block face that is allowed to be exposed to air and/or water. Other faces need to be embedded for blocks to be placed by this feature. Defaults to upwards face
minecraft:scatter_feature：scatter_feature
scatter_feature:
{
  description "description"
  identifier "places_feature"
  boolean "project_input_to_floor" : opt
  object "distribution" : opt
  {
    string "coordinate_eval_order" : opt
    0 "iterations"
    0 "scatter_chance"
    object "scatter_chance" : opt
    {
      number "numerator" : opt
      number "denominator" : opt
    }
    0 "x"
    object "x" : opt
    {
      string "distribution" : opt
      integer "step_size" : opt
      integer "grid_offset" : opt
      array "extent" : opt
      {
        0 "0..0"
        0 "1..1"
      }
    }
     "z" : opt
     "y" : opt
  }
}
description：description
places_feature：identifier
Named reference of feature to be placed.
project_input_to_floor：boolean
If true, snaps the y-value of the scattered position to the terrain heightmap. If false or unset, y-value is unmodified.
distribution：object
Parameters controlling the initial scatter of the feature.
distribution
coordinate_eval_order：string
The order in which coordinates will be evaluated. Should be used when a coordinate depends on another. If omitted, defaults to xzy.
iterations：0
Number of scattered positions to generate.
scatter_chance：0
Probability (0-100] that this scatter will occur. Not evaluated each iteration; either no iterations will run, or all will.
scatter_chance：object
Probability numerator / denominator that this scatter will occur. Not evaluated each iteration; either no iterations will run, or all will.
scatter_chance
numerator：number
UNDOCUMENTED.
denominator：number
UNDOCUMENTED.
x：0
Expression for the coordinate (evaluated each iteration). Mutually exclusive with random distribution object below.
x：object
Distribution for the coordinate (evaluated each iteration). Mutually exclusive with Molang expression above.
x
distribution：string
Type of distribution - uniform random, gaussian (centered in the range), triangle (centered in the range), or grid (either fixed-step or jittered).
step_size：integer
When the distribution type is grid, defines the distance between steps along this axis.
grid_offset：integer
When the distribution type is grid, defines the offset along this axis.
extent：array
The lower and upper bound as an offset from the input position
extent
0..0：0
Lower bound (inclusive) of the scatter range, as an offset from the input point to scatter around.
1..1：0
Upper bound (inclusive) of the scatter range, as an offset from the input point to scatter around.
z
y
minecraft:search_feature：search_feature
search_feature:
{
  description "description"
  identifier "places_feature"
  object "search_volume" : opt
  {
    array "max" : opt
    {
      integer "0..0" : opt
      integer "1..1" : opt
      integer "2..2" : opt
    }
    array "min" : opt
    {
      integer "0..0" : opt
      integer "1..1" : opt
      integer "2..2" : opt
    }
  }
  string "search_axis" : opt
  integer "required_successes" : opt
}
description：description
places_feature：identifier
Named reference of feature to be placed.
search_volume：object
Axis-aligned bounding box that will be searched for valid placement positions. Expressed as offsets from the input position.
search_volume
max：array
Maximum extent of the bounding volume expressed as [ x, y, z ].
max
0..0：integer
1..1：integer
2..2：integer
min：array
Maxium extent of the bounding volume expressed as [ x, y, z ].
min
0..0：integer
1..1：integer
2..2：integer
search_axis：string
Axis that the search will sweep along through the search_volume.
required_successes：integer
Number of valid positions the search must find in order to place the referenced feature.
minecraft:sequence_feature：sequence_feature
sequence_feature:
{
  description "description"
  array "features" : opt
  {
    identifier "<any array element>"
  }
}
description：description
features：array
List of features to be placed in sequence. The output position of the previous feature is used as the input position to the next.
features
<any array element>：identifier
A feature to be placed in sequence. The output position of the previous feature is used as the input position to the next.
minecraft:single_block_feature：single_block_feature
single_block_feature:
{
  description "description"
  identifier "places_block"
  array "places_block" : opt
  {
    array "<any array element>" : opt
    {
      identifier "0..0"
      number "1..1" : opt
    }
  }
  boolean "enforce_placement_rules" : opt
  boolean "enforce_survivability_rules" : opt
  boolean "randomize_rotation" : opt
  object "may_attach_to" : opt
  {
     "min_sides_must_attach" : opt
    boolean "auto_rotate" : opt
    identifier "top"
    array "top" : opt
    {
      identifier "<any array element>"
    }
     "bottom" : opt
     "north" : opt
     "south" : opt
     "east" : opt
     "west" : opt
     "all" : opt
     "sides" : opt
     "diagonal" : opt
  }
  object "may_not_attach_to" : opt
  {
     "top" : opt
     "bottom" : opt
     "north" : opt
     "south" : opt
     "east" : opt
     "west" : opt
     "all" : opt
     "sides" : opt
     "diagonal" : opt
  }
  array "may_replace" : opt
  {
    identifier "<any array element>"
  }
}
description：description
places_block：identifier
Reference to the block to be placed.
places_block：array
Collection of weighted block references that will be placed.
places_block
<any array element>：array
Reference to the block to be placed.
<any array element>
0..0：identifier
Reference to the block to be placed.
1..1：number
Random weight of this block. A higher number will increase the probability of this block to be picked during placement.
enforce_placement_rules：boolean
If true, enforce the block's canPlace check.
enforce_survivability_rules：boolean
If true, enforce the block's canSurvive check.
randomize_rotation：boolean
If true, randomizes the block's cardinal orientation.
may_attach_to：object
The list of valid block and block faces the given block may attach to when being placed.
may_attach_to
min_sides_must_attach
Minimum number of sides that must be attached when being placed.
auto_rotate：boolean
Automatically rotate the block to attach sensibly.
top：identifier
Reference to the block it may attach to.
top：array
UNDOCUMENTED.
top
<any array element>：identifier
Reference to the block it may attach to.
bottom
UNDOCUMENTED.
north
UNDOCUMENTED.
south
UNDOCUMENTED.
east
UNDOCUMENTED.
west
UNDOCUMENTED.
all
UNDOCUMENTED.
sides
UNDOCUMENTED.
diagonal
UNDOCUMENTED.
may_not_attach_to：object
Denylist which specifies where the block can't be placed.
may_not_attach_to
top
UNDOCUMENTED.
bottom
UNDOCUMENTED.
north
UNDOCUMENTED.
south
UNDOCUMENTED.
east
UNDOCUMENTED.
west
UNDOCUMENTED.
all
UNDOCUMENTED.
sides
UNDOCUMENTED.
diagonal
UNDOCUMENTED.
may_replace：array
A list of blocks that may be replaced during placement. Omit this field to allow any block to be replaced.
may_replace
<any array element>：identifier
A block that may be replaced during placement. Omit this field to allow any block to be replaced.
minecraft:snap_to_surface_feature：snap_to_surface_feature
snap_to_surface_feature:
{
  description "description"
  identifier "feature_to_snap"
  number "vertical_search_range" : opt
  string "surface" : opt
  boolean "allow_air_placement" : opt
  boolean "allow_underwater_placement" : opt
}
description：description
feature_to_snap：identifier
Named reference of feature to be snapped.
vertical_search_range：number
Range to search for a floor or ceiling for snaping the feature.
surface：string
Defines the surface that the y-value of the placement position will be snapped to. Valid values: ceiling and `floor'
allow_air_placement：boolean
Determines whether the feature can snap through air blocks
allow_underwater_placement：boolean
Determines whether the feature can snap through water blocks
minecraft:structure_template_feature：structure_template_feature
structure_template_feature:
{
  description "description"
  string "structure_name" : opt
  integer "adjustment_radius" : opt
  string "facing_direction" : opt
  object "constraints" : opt
  {
    object "grounded" : opt
    {
    }
    object "unburied" : opt
    {
    }
    object "block_intersection" : opt
    {
      array "block_allowlist" : opt
      {
        identifier "<any array element>"
      }
      array "block_whitelist" : opt
      {
        identifier "<any array element>"
      }
    }
  }
}
description：description
structure_name：string
Reference to the structure to be placed.
adjustment_radius：integer
How far the structure is allowed to move when searching for a valid placement position. Search is radial, stopping when the nearest valid position is found. Defaults to 0 if omitted.
facing_direction：string
Direction the structure will face when placed in the world. Defaults to random if omitted.
constraints：object
Specific constraints that must be satisfied when placing this structure.
constraints
grounded：object
When specified, ensures the structure is on the ground.
grounded
unburied：object
When specified, ensures the structure has air above it.
unburied
block_intersection：object
When specified, ensures the structure has air above it.
block_intersection
block_allowlist：array
List of blocks the owning structure is allowed to intersect with.
block_allowlist
<any array element>：identifier
block_whitelist：array
List of blocks the owning structure is allowed to intersect with.
block_whitelist
<any array element>：identifier
minecraft:surface_relative_threshold_feature：surface_relative_threshold_feature
surface_relative_threshold_feature:
{
  description "description"
  identifier "feature_to_place"
  integer "minimum_distance_below_surface" : opt
}
description：description
feature_to_place：identifier
Named reference of feature to be placed.
minimum_distance_below_surface：integer
The minimum number of blocks required to be between the estimated surface level and a valid place for this feature.
minecraft:tree_feature：tree_feature
tree_feature:
{
  description "description"
  identifier "base_block"
  array "base_block" : opt
  {
    identifier "<any array element>"
  }
  object "base_cluster" : opt
  {
    array "may_replace" : opt
    {
      identifier "<any array element>"
    }
    integer "num_clusters" : opt
    integer "cluster_radius" : opt
  }
  array "may_grow_on" : opt
  {
    identifier "<any array element>"
  }
  array "may_replace" : opt
  {
    identifier "<any array element>"
  }
  array "may_grow_through" : opt
  {
    identifier "<any array element>"
  }
  object "acacia_trunk" : opt
  {
    integer "trunk_width" : opt
    object "trunk_height" : opt
    {
      integer "base" : opt
      array "intervals" : opt
      {
        integer "<any array element>" : opt
      }
      integer "min_height_for_canopy" : opt
    }
    object "trunk_lean" : opt
    {
      boolean "allow_diagonal_growth" : opt
      range_number_type "lean_height"
      range_number_type "lean_steps"
      range_number_type "lean_length"
    }
    string "trunk_block" : opt
    object "branches" : opt
    {
      range_number_type "branch_length"
      range_number_type "branch_position"
      chance_information "branch_chance"
      object "branch_canopy" : opt
      {
        object "acacia_canopy" : opt
        {
          integer "canopy_size" : opt
          string "leaf_block" : opt
          boolean "simplify_canopy" : opt
        }
        object "canopy" : opt
        {
          object "canopy_offset" : opt
          {
            integer "min" : opt
            integer "max" : opt
          }
          integer "min_width" : opt
          object "canopy_slope" : opt
          {
            integer "rise" : opt
            integer "run" : opt
          }
          chance_information "variation_chance"
          array "variation_chance" : opt
          {
            chance_information "<any array element>"
          }
          string "leaf_block" : opt
          object "canopy_decoration" : opt
          {
            chance_information "decoration_chance"
            identifier "decoration_block"
            integer "num_steps" : opt
            string "step_direction" : opt
          }
        }
        object "cherry_canopy" : opt
        {
          string "leaf_block" : opt
          integer "height" : opt
          integer "radius" : opt
          integer "trunk_width" : opt
          chance_information "wide_bottom_layer_hole_chance"
          chance_information "corner_hole_chance"
          chance_information "hanging_leaves_chance"
          chance_information "hanging_leaves_extension_chance"
        }
        object "fancy_canopy" : opt
        {
          integer "height" : opt
          integer "radius" : opt
          string "leaf_block" : opt
        }
        object "mangrove_canopy" : opt
        {
          integer "canopy_height" : opt
          integer "canopy_radius" : opt
          integer "leaf_placement_attempts" : opt
          array "leaf_blocks" : opt
          {
            string "0..0" : opt
            number "1..1" : opt
          }
          object "canopy_decoration" : opt
          {
            chance_information "decoration_chance"
            identifier "decoration_block"
            integer "num_steps" : opt
            string "step_direction" : opt
          }
          identifier "hanging_block"
          chance_information "hanging_block_placement_chance"
        }
        object "mega_canopy" : opt
        {
          integer "canopy_height" : opt
          integer "base_radius" : opt
          number "core_width" : opt
          boolean "simplify_canopy" : opt
          string "leaf_block" : opt
        }
        object "mega_pine_canopy" : opt
        {
          integer "canopy_height" : opt
          integer "base_radius" : opt
          number "radius_step_modifier" : opt
          number "core_width" : opt
          string "leaf_block" : opt
        }
        object "pine_canopy" : opt
        {
          integer "height" : opt
          integer "radius" : opt
          string "leaf_block" : opt
        }
        object "roofed_canopy" : opt
        {
          integer "canopy_height" : opt
          integer "core_width" : opt
          integer "outer_radius" : opt
          integer "inner_radius" : opt
          string "leaf_block" : opt
        }
        object "spruce_canopy" : opt
        {
          integer "lower_offset" : opt
          integer "upper_offset" : opt
          integer "max_radius" : opt
          string "leaf_block" : opt
        }
      }
      object "trunk_decoration" : opt
      {
      }
    }
  }
  object "cherry_trunk" : opt
  {
    string "trunk_block" : opt
    object "trunk_height" : opt
    {
      integer "base" : opt
      array "intervals" : opt
      {
        integer "<any array element>" : opt
      }
    }
    object "branches" : opt
    {
      object "tree_type_weights" : opt
      {
        integer "one_branch" : opt
        integer "two_branches" : opt
        integer "two_branches_and_trunk" : opt
      }
      range_number_type "branch_horizontal_length"
      range_number_type "branch_start_offset_from_top"
      range_number_type "branch_end_offset_from_top"
      chance_information "branch_chance"
      object "branch_canopy" : opt
      {
      }
    }
  }
  object "fallen_trunk" : opt
  {
    integer "log_length" : opt
    integer "stump_height" : opt
    integer "height_modifier" : opt
    string "trunk_block" : opt
    identifier "log_decoration_feature"
    object "trunk_decoration" : opt
    {
    }
  }
  object "fancy_trunk" : opt
  {
    object "trunk_height" : opt
    {
      integer "base" : opt
      integer "variance" : opt
      number "scale" : opt
    }
    integer "trunk_width" : opt
    object "branches" : opt
    {
      number "slope" : opt
      number "density" : opt
      number "min_altitude_factor" : opt
    }
    string "trunk_block" : opt
    number "width_scale" : opt
    number "foliage_altitude_factor" : opt
  }
  object "mangrove_trunk" : opt
  {
    integer "trunk_width" : opt
    object "trunk_height" : opt
    {
      integer "base" : opt
      integer "height_rand_a" : opt
      integer "height_rand_b" : opt
    }
    string "trunk_block" : opt
    object "branches" : opt
    {
      range_number_type "branch_length"
      range_number_type "branch_steps"
      chance_information "branch_chance"
    }
    object "trunk_decoration" : opt
    {
    }
  }
  object "mega_trunk" : opt
  {
    integer "trunk_width" : opt
    object "trunk_height" : opt
    {
      integer "base" : opt
      array "intervals" : opt
      {
        integer "<any array element>" : opt
      }
      integer "min_height_for_canopy" : opt
    }
    string "trunk_block" : opt
    object "trunk_decoration" : opt
    {
    }
    object "branches" : opt
    {
      integer "branch_length" : opt
      number "branch_slope" : opt
      range_number_type "branch_interval"
      object "branch_altitude_factor" : opt
      {
        number "min" : opt
        number "max" : opt
      }
      object "branch_canopy" : opt
      {
      }
    }
  }
  object "trunk" : opt
  {
    range_number_type "trunk_height"
    range_number_type "height_modifier"
    object "can_be_submerged" : opt
    {
      integer "max_depth" : opt
    }
    boolean "can_be_submerged" : opt
    string "trunk_block" : opt
    object "trunk_decoration" : opt
    {
    }
  }
  object "acacia_canopy" : opt
  {
    integer "canopy_size" : opt
    string "leaf_block" : opt
    boolean "simplify_canopy" : opt
  }
  object "canopy" : opt
  {
    object "canopy_offset" : opt
    {
      integer "min" : opt
      integer "max" : opt
    }
    integer "min_width" : opt
    object "canopy_slope" : opt
    {
      integer "rise" : opt
      integer "run" : opt
    }
    chance_information "variation_chance"
    array "variation_chance" : opt
    {
      chance_information "<any array element>"
    }
    string "leaf_block" : opt
    object "canopy_decoration" : opt
    {
      chance_information "decoration_chance"
      identifier "decoration_block"
      integer "num_steps" : opt
      string "step_direction" : opt
    }
  }
  object "cherry_canopy" : opt
  {
    string "leaf_block" : opt
    integer "height" : opt
    integer "radius" : opt
    integer "trunk_width" : opt
    chance_information "wide_bottom_layer_hole_chance"
    chance_information "corner_hole_chance"
    chance_information "hanging_leaves_chance"
    chance_information "hanging_leaves_extension_chance"
  }
  object "fancy_canopy" : opt
  {
    integer "height" : opt
    integer "radius" : opt
    string "leaf_block" : opt
  }
  object "mangrove_canopy" : opt
  {
    integer "canopy_height" : opt
    integer "canopy_radius" : opt
    integer "leaf_placement_attempts" : opt
    array "leaf_blocks" : opt
    {
      string "0..0" : opt
      number "1..1" : opt
    }
    object "canopy_decoration" : opt
    {
    }
    identifier "hanging_block"
    chance_information "hanging_block_placement_chance"
  }
  object "mega_canopy" : opt
  {
    integer "canopy_height" : opt
    integer "base_radius" : opt
    number "core_width" : opt
    boolean "simplify_canopy" : opt
    string "leaf_block" : opt
  }
  object "mega_pine_canopy" : opt
  {
    integer "canopy_height" : opt
    integer "base_radius" : opt
    number "radius_step_modifier" : opt
    number "core_width" : opt
    string "leaf_block" : opt
  }
  object "pine_canopy" : opt
  {
    integer "height" : opt
    integer "radius" : opt
    string "leaf_block" : opt
  }
  object "roofed_canopy" : opt
  {
    integer "canopy_height" : opt
    integer "core_width" : opt
    integer "outer_radius" : opt
    integer "inner_radius" : opt
    string "leaf_block" : opt
  }
  object "spruce_canopy" : opt
  {
    integer "lower_offset" : opt
    integer "upper_offset" : opt
    integer "max_radius" : opt
    string "leaf_block" : opt
  }
  object "random_spread_canopy" : opt
  {
    integer "canopy_height" : opt
    integer "canopy_radius" : opt
    integer "leaf_placement_attempts" : opt
    array "leaf_blocks" : opt
    {
      string "0..0" : opt
      number "1..1" : opt
    }
  }
  object "mangrove_roots" : opt
  {
    integer "max_root_width" : opt
    integer "max_root_length" : opt
    identifier "root_block"
    object "above_root" : opt
    {
      chance_information "above_root_chance"
      identifier "above_root_block"
      identifier "muddy_root_block"
      identifier "mud_block"
      range_number_type "y_offset"
      array "roots_may_grow_through" : opt
      {
        identifier "<any array element>"
      }
      object "root_decoration" : opt
      {
      }
    }
  }
}
description：description
base_block：identifier
base_block：array
base_block
<any array element>：identifier
base_cluster：object
Allows you to define a number of clusters for the base of the tree. Used to generate mega tree variants.
base_cluster
may_replace：array
List of blocks that the base cluster of a tree can replace.
may_replace
<any array element>：identifier
num_clusters：integer
Number of clusters that can be generated.
cluster_radius：integer
Radius where the clusters that can be generated.
may_grow_on：array
List of blocks where a tree can grow on.
may_grow_on
<any array element>：identifier
may_replace：array
List of blocks that a tree can replace.
may_replace
<any array element>：identifier
may_grow_through：array
List of blocks that a tree can grow through.
may_grow_through
<any array element>：identifier
acacia_trunk：object
Configutarion for the acacia trunk.
acacia_trunk
trunk_width：integer
The width of the tree trunk.
trunk_height：object
Configuration object for the trunk height.
trunk_height
base：integer
Min height for the trunk.
intervals：array
Intervals used to randomize the trunk height, the value of each interval will create a random number where (0 <= rand < interval)), and will be added to the height.
intervals
<any array element>：integer
min_height_for_canopy：integer
Min height where the canopy can be placed.
trunk_lean：object
Configuration object for diagonal branches.
trunk_lean
allow_diagonal_growth：boolean
If true, diagonal branches will be created.
lean_height：range_number_type
Number of blocks below the tree height at which diagonal branches can be created.
lean_steps：range_number_type
Number of steps taken in X/Z direction while creating a diagonal branch.
lean_length：range_number_type
Length for the diagonal branch in the Y axis.
trunk_block：string
The block that forms the tree trunk.
branches：object
Configuration object for branches.
branches
branch_length：range_number_type
Length for the branch in the Y axis.
branch_position：range_number_type
Starting Y position for the branch.
branch_chance：chance_information
Probability of creating a branch.
chance_information:
{
  number "numerator" : opt
  number "denominator" : opt
}
numerator：number
UNDOCUMENTED.
denominator：number
UNDOCUMENTED.
chance_information:
number
branch_canopy：object
Configuration object for the canopy.
branch_canopy
acacia_canopy：object
Configuration object for the acacia canopy.
acacia_canopy
canopy_size：integer
The size of the canopy.
leaf_block：string
The block thata forms the canopy of the tree.
simplify_canopy：boolean
If true the canopy uses a simple pattern.
canopy：object
Configuration object for the normal canopy.
canopy
canopy_offset：object
Canopy position offset relative to the block above the trunk.
canopy_offset
min：integer
Min canopy position offset.
max：integer
Max canopy position offset.
min_width：integer
Min width for the canopy.
canopy_slope：object
Configuration object for the canopy slope.
canopy_slope
rise：integer
The numerator for the slope fraction.
run：integer
The denominator for the slope fraction.
variation_chance：chance_information
Determines the chance of creating leaf blocks for every layer of the canopy. Larger numbers create a denser tree.
variation_chance：array
Determines the chance of creating leaf blocks for every layer of the canopy. Larger numbers create a denser tree.
variation_chance
<any array element>：chance_information
leaf_block：string
The block thata forms the canopy of the tree.
canopy_decoration：object
Configuration object for the canopy decoration.
canopy_decoration
decoration_chance：chance_information
Probability of decorating the trunk.
decoration_block：identifier
The block used for decorating the trunk.
num_steps：integer
Number of decoration blocks to place.
step_direction：string
Directions to spread decoration blocks.
cherry_canopy：object
Configuration object for the cherry canopy.
cherry_canopy
leaf_block：string
The block thata forms the canopy of the tree.
height：integer
Number of layers for the canopy.
radius：integer
The radius of the canopy.
trunk_width：integer
The width of the tree trunk.
wide_bottom_layer_hole_chance：chance_information
Probability of the canopy having a hole in the bottom layer.
corner_hole_chance：chance_information
Probability of the canopy having a hole in the corner.
hanging_leaves_chance：chance_information
Probability of the canopy having hanging leaves
hanging_leaves_extension_chance：chance_information
Probability of hanging leaves extending further down
fancy_canopy：object
Configuration object for the fancy canopy.
fancy_canopy
height：integer
Number of layers for the canopy.
radius：integer
The radius of the canopy.
leaf_block：string
The block thata forms the canopy of the tree.
mangrove_canopy：object
Configuration object for the mangrove canopy.
mangrove_canopy
canopy_height：integer
Number of layers for the canopy.
canopy_radius：integer
The radius of the canopy.
leaf_placement_attempts：integer
Max number of attempts to create leaf blocks.
leaf_blocks：array
The blocks that form the canopy of the tree
leaf_blocks
0..0：string
The block thata forms the canopy of the tree.
1..1：number
Weight used in random selection. Value is relative to other weights in the collection.
canopy_decoration：object
Configuration object for the decoration.
canopy_decoration
decoration_chance：chance_information
Probability of decorating the trunk.
decoration_block：identifier
The block used for decorating the trunk.
num_steps：integer
Number of decoration blocks to place.
step_direction：string
Directions to spread decoration blocks.
hanging_block：identifier
The block to be used as a hanging block.
hanging_block_placement_chance：chance_information
Probability of creating a hanging leaf block.
mega_canopy：object
Configuration object for the mega canopy.
mega_canopy
canopy_height：integer
Number of layers for the canopy.
base_radius：integer
The radius of the canopy.
core_width：number
Width of the tree trunk.
simplify_canopy：boolean
If true the canopy uses a simple pattern.
leaf_block：string
The block thata forms the canopy of the tree.
mega_pine_canopy：object
Configuration object for the mega pine canopy.
mega_pine_canopy
canopy_height：integer
Number of layers for the canopy.
base_radius：integer
The radius of the canopy.
radius_step_modifier：number
Modifier for the base radius of the canopy.
core_width：number
Width of the tree trunk.
leaf_block：string
The block thata forms the canopy of the tree.
pine_canopy：object
Configuration object for the pine canopy.
pine_canopy
height：integer
Number of layers for the canopy.
radius：integer
The radius of the canopy.
leaf_block：string
The block thata forms the canopy of the tree.
roofed_canopy：object
Configuration object for the roofed canopy.
roofed_canopy
canopy_height：integer
Roofed canopies feature a base and a top layer, and an extra cap layer on some occasions, this value controls the number of layers in the middle.
core_width：integer
Width of the tree trunk.
outer_radius：integer
Radius used for the base and top layers.
inner_radius：integer
Radius used for the middle layers.
leaf_block：string
The block thata forms the canopy of the tree.
spruce_canopy：object
Configuration object for the spruce canopy.
spruce_canopy
lower_offset：integer
Min canopy position offset.
upper_offset：integer
Max canopy position offset.
max_radius：integer
Max radius of the canopy.
leaf_block：string
The block thata forms the canopy of the tree.
trunk_decoration：object
Configuration object for the decoration.
trunk_decoration
cherry_trunk：object
Configutarion for the cherry trunk.
cherry_trunk
trunk_block：string
The block that forms the tree trunk.
trunk_height：object
Configuration object for the trunk height.
trunk_height
base：integer
Min height for the trunk.
intervals：array
Intervals used to randomize the trunk height, the value of each interval will create a random number where (0 <= rand < interval)), and will be added to the height.
intervals
<any array element>：integer
branches：object
Configuration object for branches.
branches
tree_type_weights：object
Configuration object to pick a tree variant based on a weighted random number
tree_type_weights
one_branch：integer
Tree variant with one branch.
two_branches：integer
Tree variant with two branches.
two_branches_and_trunk：integer
Tree variant with three branch.
branch_horizontal_length：range_number_type
Branch length in X/Z axis.
branch_start_offset_from_top：range_number_type
Branch starting position relative to the top of the tree
branch_end_offset_from_top：range_number_type
Branch end position relative to the top of the tree
branch_chance：chance_information
Probability of creating a branch.
branch_canopy：object
Configuration object for the canopy.
branch_canopy
fallen_trunk：object
Configutarion for the fallen trunk.
fallen_trunk
log_length：integer
Length of the fallen log.
stump_height：integer
height of the stump.
height_modifier：integer
Modifier for the length of the fallen log.
trunk_block：string
The block that forms the tree trunk.
log_decoration_feature：identifier
Feature that can be used to decorate the fallen log.
trunk_decoration：object
Configuration object for the decoration.
trunk_decoration
fancy_trunk：object
Configutarion for the fancy trunk.
fancy_trunk
trunk_height：object
Configuration object for the trunk height.
trunk_height
base：integer
Min height for the trunk.
variance：integer
Modifier for the trunk height.
scale：number
Final tree height is multiplied by this scale.
trunk_width：integer
The width of the tree trunk.
branches：object
Configuration object for branches.
branches
slope：number
Slope for the branch, where 0 is horizontal and 1 is vertical.
density：number
Density of foliage.
min_altitude_factor：number
Min height for branches. Represented by a percentage of the tree height.
trunk_block：string
The block that forms the tree trunk.
width_scale：number
Scale modifier for the tree radius.
foliage_altitude_factor：number
Min height for foliage. Represented by a percentage of the tree height.
mangrove_trunk：object
Configutarion for the mangrove trunk.
mangrove_trunk
trunk_width：integer
The width of the tree trunk.
trunk_height：object
Configuration object for the trunk height.
trunk_height
base：integer
Min height for the trunk.
height_rand_a：integer
Tree height modifier A.
height_rand_b：integer
Tree height modifier B.
trunk_block：string
The block that forms the tree trunk.
branches：object
Configuration object for branches.
branches
branch_length：range_number_type
Length for the branch in the Y axis.
branch_steps：range_number_type
Number of branches to place.
branch_chance：chance_information
Probability of creating a branch.
trunk_decoration：object
Configuration object for the decoration.
trunk_decoration
mega_trunk：object
Configutarion for the mega trunk.
mega_trunk
trunk_width：integer
The width of the tree trunk.
trunk_height：object
Configuration object for the trunk height.
trunk_height
base：integer
Min height for the trunk.
intervals：array
Intervals used to randomize the trunk height, the value of each interval will create a random number where (0 <= rand < interval)), and will be added to the height.
intervals
<any array element>：integer
min_height_for_canopy：integer
Min height where the canopy can be placed.
trunk_block：string
The block that forms the tree trunk.
trunk_decoration：object
Configuration object for the decoration.
trunk_decoration
branches：object
Configuration object for branches.
branches
branch_length：integer
Length for the branch.
branch_slope：number
Slope for the branch, where 0 is horizontal and 1 is vertical.
branch_interval：range_number_type
Randomized distance between branches.
branch_altitude_factor：object
Altitude at which branches can spawn, relative to the tree height.
branch_altitude_factor
min：number
Min altitude where branches can spawn.
max：number
Max altitude where branches can spawn.
branch_canopy：object
Configuration object for the canopy.
branch_canopy
trunk：object
Configutarion for the normal trunk.
trunk
trunk_height：range_number_type
Defines the height of the trunk.
height_modifier：range_number_type
Modifier for the height of the trunk.
can_be_submerged：object
Specifies if the trunk can be submerged.
can_be_submerged
max_depth：integer
Defines the max depth at which the trunk can be submerged.
can_be_submerged：boolean
Specifies if the trunk can be submerged.
trunk_block：string
The block that forms the tree trunk.
trunk_decoration：object
Configuration object for the decoration.
trunk_decoration
acacia_canopy：object
Configuration object for the acacia canopy.
acacia_canopy
canopy_size：integer
The size of the canopy.
leaf_block：string
The block thata forms the canopy of the tree.
simplify_canopy：boolean
If true the canopy uses a simple pattern.
canopy：object
Configuration object for the normal canopy.
canopy
canopy_offset：object
Canopy position offset relative to the block above the trunk.
canopy_offset
min：integer
Min canopy position offset.
max：integer
Max canopy position offset.
min_width：integer
Min width for the canopy.
canopy_slope：object
Configuration object for the canopy slope.
canopy_slope
rise：integer
The numerator for the slope fraction.
run：integer
The denominator for the slope fraction.
variation_chance：chance_information
Determines the chance of creating leaf blocks for every layer of the canopy. Larger numbers create a denser tree.
variation_chance：array
Determines the chance of creating leaf blocks for every layer of the canopy. Larger numbers create a denser tree.
variation_chance
<any array element>：chance_information
leaf_block：string
The block thata forms the canopy of the tree.
canopy_decoration：object
Configuration object for the canopy decoration.
canopy_decoration
decoration_chance：chance_information
Probability of decorating the trunk.
decoration_block：identifier
The block used for decorating the trunk.
num_steps：integer
Number of decoration blocks to place.
step_direction：string
Directions to spread decoration blocks.
cherry_canopy：object
Configuration object for the cherry canopy.
cherry_canopy
leaf_block：string
The block thata forms the canopy of the tree.
height：integer
Number of layers for the canopy.
radius：integer
The radius of the canopy.
trunk_width：integer
The width of the tree trunk.
wide_bottom_layer_hole_chance：chance_information
Probability of the canopy having a hole in the bottom layer.
corner_hole_chance：chance_information
Probability of the canopy having a hole in the corner.
hanging_leaves_chance：chance_information
Probability of the canopy having hanging leaves
hanging_leaves_extension_chance：chance_information
Probability of hanging leaves extending further down
fancy_canopy：object
Configuration object for the fancy canopy.
fancy_canopy
height：integer
Number of layers for the canopy.
radius：integer
The radius of the canopy.
leaf_block：string
The block thata forms the canopy of the tree.
mangrove_canopy：object
Configuration object for the mangrove canopy.
mangrove_canopy
canopy_height：integer
Number of layers for the canopy.
canopy_radius：integer
The radius of the canopy.
leaf_placement_attempts：integer
Max number of attempts to create leaf blocks.
leaf_blocks：array
The blocks that form the canopy of the tree
leaf_blocks
0..0：string
The block thata forms the canopy of the tree.
1..1：number
Weight used in random selection. Value is relative to other weights in the collection.
canopy_decoration：object
Configuration object for the decoration.
canopy_decoration
hanging_block：identifier
The block to be used as a hanging block.
hanging_block_placement_chance：chance_information
Probability of creating a hanging leaf block.
mega_canopy：object
Configuration object for the mega canopy.
mega_canopy
canopy_height：integer
Number of layers for the canopy.
base_radius：integer
The radius of the canopy.
core_width：number
Width of the tree trunk.
simplify_canopy：boolean
If true the canopy uses a simple pattern.
leaf_block：string
The block thata forms the canopy of the tree.
mega_pine_canopy：object
Configuration object for the mega pine canopy.
mega_pine_canopy
canopy_height：integer
Number of layers for the canopy.
base_radius：integer
The radius of the canopy.
radius_step_modifier：number
Modifier for the base radius of the canopy.
core_width：number
Width of the tree trunk.
leaf_block：string
The block thata forms the canopy of the tree.
pine_canopy：object
Configuration object for the pine canopy.
pine_canopy
height：integer
Number of layers for the canopy.
radius：integer
The radius of the canopy.
leaf_block：string
The block thata forms the canopy of the tree.
roofed_canopy：object
Configuration object for the roofed canopy.
roofed_canopy
canopy_height：integer
Roofed canopies feature a base and a top layer, and an extra cap layer on some occasions, this value controls the number of layers in the middle.
core_width：integer
Width of the tree trunk.
outer_radius：integer
Radius used for the base and top layers.
inner_radius：integer
Radius used for the middle layers.
leaf_block：string
The block thata forms the canopy of the tree.
spruce_canopy：object
Configuration object for the spruce canopy.
spruce_canopy
lower_offset：integer
Min canopy position offset.
upper_offset：integer
Max canopy position offset.
max_radius：integer
Max radius of the canopy.
leaf_block：string
The block thata forms the canopy of the tree.
random_spread_canopy：object
Configuration object for the random spread canopy.
random_spread_canopy
canopy_height：integer
Number of layers for the canopy.
canopy_radius：integer
The radius of the canopy.
leaf_placement_attempts：integer
Max number of attempts to create leaf blocks.
leaf_blocks：array
The blocks that form the canopy of the tree
leaf_blocks
0..0：string
The block thata forms the canopy of the tree.
1..1：number
Weight used in random selection. Value is relative to other weights in the collection.
mangrove_roots：object
Configuration for mangrove roots
mangrove_roots
max_root_width：integer
Max width that the roots can occupy. The width increases up to the max width while moving downwards. When a max width is reached, roots will grow vertically
max_root_length：integer
Max length that the roots can occupy.
root_block：identifier
Block used for roots.
above_root：object
Configuration object for blocks decorating the top of the roots
above_root
above_root_chance：chance_information
Probability of creating a block above the root
above_root_block：identifier
The block placed on the top of the roots.
muddy_root_block：identifier
The block used for muddy roots.
mud_block：identifier
The block used to determine if a muddy root should be placed.
y_offset：range_number_type
Root offset from the trunk
roots_may_grow_through：array
List of blocks that a root can grow through.
roots_may_grow_through
<any array element>：identifier
root_decoration：object
Configuration object for the decoration.
root_decoration
minecraft:underwater_cave_carver_feature：underwater_cave_carver_feature
underwater_cave_carver_feature:
{
  description "description"
  identifier "fill_with"
  0 "width_modifier"
  integer "skip_carve_chance" : opt
  integer "height_limit" : opt
  array "y_scale" : opt
  {
    number "0..0" : opt
    number "1..1" : opt
  }
  array "horizontal_radius_multiplier" : opt
  {
    number "0..0" : opt
    number "1..1" : opt
  }
  array "vertical_radius_multiplier" : opt
  {
    number "0..0" : opt
    number "1..1" : opt
  }
  array "floor_level" : opt
  {
    number "0..0" : opt
    number "1..1" : opt
  }
  identifier "replace_air_with"
}
description：description
fill_with：identifier
Reference to the block to fill the cave with.
width_modifier：0
How many blocks to increase the cave radius by, from the center point of the cave.
skip_carve_chance：integer
The chance to skip doing the carve (1 / value).
height_limit：integer
The height limit where we attempt to carve
y_scale：array
The scaling in y
y_scale
0..0：number
1..1：number
horizontal_radius_multiplier：array
horizontal_radius_multiplier
0..0：number
1..1：number
vertical_radius_multiplier：array
vertical_radius_multiplier
0..0：number
1..1：number
floor_level：array
floor_level
0..0：number
1..1：number
replace_air_with：identifier
Reference to the block to replace air blocks with.
minecraft:vegetation_patch_feature：vegetation_patch_feature
vegetation_patch_feature:
{
  description "description"
  array "replaceable_blocks" : opt
  {
    identifier "<any array element>"
  }
  identifier "ground_block"
  identifier "vegetation_feature"
  string "surface" : opt
  integer "depth" : opt
  number "extra_deep_block_chance" : opt
  integer "vertical_range" : opt
  number "vegetation_chance" : opt
  integer "horizontal_radius" : opt
  number "extra_edge_column_chance" : opt
  boolean "waterlogged" : opt
}
description：description
replaceable_blocks：array
Blocks that can be replaced by the ground blocks on the patch.
replaceable_blocks
<any array element>：identifier
ground_block：identifier
Block used to create a base for the vegetation patch.
vegetation_feature：identifier
Feature that will be placed by the patch.
surface：string
Determines if a vegetation patch will grow from the ceiling or the floor.
depth：integer
Depth of the base covered by the ground blocks.
extra_deep_block_chance：number
Probability of putting the ground blocks one block deeper. Adds some randomness to the bottom of the patch.
vertical_range：integer
Vertical range used to determine a suitable surface position for the patch.
vegetation_chance：number
Probability of spawning vegetation on the patch. Larger numbers create a denser vegetation patch.
horizontal_radius：integer
Horizontal area that the vegetation patch will cover.
extra_edge_column_chance：number
Probability of spawning vegetation on the edge of the patch radius.
waterlogged：boolean
If true, waterlogs the positions occupied by the ground blocks.
minecraft:weighted_random_feature：weighted_random_feature
weighted_random_feature:
{
  description "description"
  array "features" : opt
  {
    array "<any array element>" : opt
    {
      identifier "0..0"
      number "1..1" : opt
    }
  }
}
description：description
features：array
Collection of weighted features that placement will select from.
features
<any array element>：array
Named reference to a feature.
<any array element>
0..0：identifier
Named reference to a feature.
1..1：number
Weight used in random selection. Value is relative to other weights in the collection.