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Feature Rules

文档版本：1.21.50.25

Each feature rule controls exactly one feature and serves as the root of a chain of feature data.

架构

feature_rules:
{
  format_version "format_version"
  feature_rules "minecraft:feature_rules"
}
format_version：format_version
format_version:
string
minecraft:feature_rules：feature_rules
feature_rules:
{
  object "description" : opt
  {
    identifier "identifier"
    string "places_feature" : opt
  }
  object "conditions" : opt
  {
    string "placement_pass" : opt
    filters "minecraft:biome_filter"
  }
  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
    {
      number "numerator" : opt
      number "denominator" : opt
    }
    object "x" : opt
    {
      string "distribution" : opt
      array "extent" : opt
      {
        number "<any array element>" : opt
      }
    }
     "z" : opt
     "y" : opt
  }
}
description：object
The description of this feature rule.
description
identifier：identifier
The name of this feature in the form namespace_name:feature_name. feature_name must match the filename.
identifier:
string
places_feature：string
Named reference to the feature controlled by this rule.
conditions：object
Parameters to control where and when the feature will be placed.
conditions
placement_pass：string
When the feature should be placed relative to others. Earlier passes in the list are guaranteed to occur before later passes. Order is not guaranteed within each pass.
minecraft:biome_filter：filters
minecraft:biome_filter条件。Parameters to control where and when the feature will be placed.
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.
0:
string

0:
number
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
numerator：number
UNDOCUMENTED.
denominator：number
UNDOCUMENTED.
x：object
UNDOCUMENTED.
x
distribution：string
Distribution type
extent：array
Represents the range of values on which that distribution operates, from minimum to maximum.
extent
<any array element>：number
z
UNDOCUMENTED.
y
UNDOCUMENTED.