Generating Custom Structures
experimental
Structure feature is one of the most basic feature. It places exported .mcstructure file in the world. This tutorial will show you how to make:
Surface structure,
Underground structure,
Floating structure,
Underwater structure, and
Water surface structure
TIP
For exporting structure on android devices, use this resource pack
Make sure you put the .mcstructure file inside of BP/structures/!
Surface Structure
Feature File
BP/features/house_feature.jsonCopy
json
{
"format_version": "1.13.0",
"minecraft:structure_template_feature": {
"description": {
"identifier": "wiki:house_feature"
},
"structure_name": "mystructure:house",
"adjustment_radius": 4,
"facing_direction": "random",
"constraints": {
"grounded": {},
"unburied": {},
"block_intersection": {
"block_allowlist": [
"minecraft:air" //The structure can only replace air
]
}
}
}
}
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Feature Rule
BP/feature_rules/plains_house_feature.jsonCopy
json
{
"format_version": "1.13.0",
"minecraft:feature_rules": {
"description": {
"identifier": "wiki:plains_house_feature",
"places_feature": "wiki:house_feature"
},
"conditions": {
"placement_pass": "first_pass",
"minecraft:biome_filter": {
"test": "has_biome_tag",
"operator": "==",
"value": "plains"
}
},
"distribution": {
"iterations": 1,
"x": {
"extent": [0, 16],
"distribution": "uniform"
},
"y": "query.heightmap(v.worldx, v.worldz)", //Generates the feature on the highest block on the column
"z": {
"extent": [0, 16],
"distribution": "uniform"
},
"scatter_chance": {
"numerator": 1,
"denominator": 25
}
}
}
}
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Underground Structure
Feature File
BP/features/bunker_feature.jsonCopy
json
{
"format_version": "1.13.0",
"minecraft:structure_template_feature": {
"description": {
"identifier": "wiki:bunker_feature"
},
"structure_name": "mystructure:bunker",
"adjustment_radius": 4,
"facing_direction": "random",
"constraints": {
"block_intersection": {
"block_allowlist": [
"minecraft:air", //Makes the feature only replace air and stone
"minecraft:stone"
]
}
}
}
}
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Feature Rule
BP/feature_rules/overworld_bunker_feature.jsonCopy
json
{
"format_version": "1.13.0",
"minecraft:feature_rules": {
"description": {
"identifier": "wiki:overworld_bunker_feature",
"places_feature": "wiki:bunker_feature"
},
"conditions": {
"placement_pass": "first_pass",
"minecraft:biome_filter": {
"test": "has_biome_tag",
"operator": "==",
"value": "overworld"
}
},
"distribution": {
"iterations": 1,
"x": {
"extent": [0, 16],
"distribution": "uniform"
},
"y": {
"extent": [
11,
50 //Makes the structure generate between y11 and y50
],
"distribution": "uniform"
},
"z": {
"extent": [0, 16],
"distribution": "uniform"
},
"scatter_chance": {
"numerator": 1,
"denominator": 15
}
}
}
}
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Floating Feature
Feature File
BP/features/balloon_feature.jsonCopy
json
{
"format_version": "1.13.0",
"minecraft:structure_template_feature": {
"description": {
"identifier": "wiki:balloon_feature"
},
"structure_name": "mystructure:balloon",
"adjustment_radius": 4,
"facing_direction": "random",
"constraints": {
"block_intersection": {
"block_allowlist": [
"minecraft:air" //Makes the structure only replace air
]
}
}
}
}
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Feature Rule
BP/feature_rules/overworld_balloon_feature.jsonCopy
json
{
"format_version": "1.13.0",
"minecraft:feature_rules": {
"description": {
"identifier": "wiki:overworld_baloon_feature",
"places_feature": "wiki:balloon_feature"
},
"conditions": {
"placement_pass": "first_pass",
"minecraft:biome_filter": {
"test": "has_biome_tag",
"operator": "==",
"value": "overworld"
}
},
"distribution": {
"iterations": 1,
"x": {
"extent": [0, 16],
"distribution": "uniform"
},
"y": {
"extent": [
100, //Makes the structure generate from y100 to y200
200
],
"distribution": "uniform"
},
"z": {
"extent": [0, 16],
"distribution": "uniform"
},
"scatter_chance": {
"numerator": 1,
"denominator": 25
}
}
}
}
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Underwater Structure
TIP
For underwater structures, make sure you waterlogged the structure, because Minecraft won't waterlog them automatically!
Feature File
BP/features/aqua_temple_feature.jsonCopy
json
{
"format_version": "1.13.0",
"minecraft:structure_template_feature": {
"description": {
"identifier": "wiki:aqua_temple_feature"
},
"structure_name": "mystructure:aqua_temple",
"adjustment_radius": 4,
"facing_direction": "random",
"constraints": {
"block_intersection": {
"block_allowlist": [
"minecraft:water" //Makes the structure only replace water
]
}
}
}
}
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Feature Rule
BP/feature_rules/ocean_aqua_temple_feature.jsonCopy
json
{
"format_version": "1.13.0",
"minecraft:feature_rules": {
"description": {
"identifier": "wiki:ocean_aqua_temple_feature",
"places_feature": "wiki:aqua_temple_feature"
},
"conditions": {
"placement_pass": "first_pass",
"minecraft:biome_filter": {
"test": "has_biome_tag",
"operator": "==",
"value": "ocean"
}
},
"distribution": {
"iterations": 1,
"x": {
"extent": [0, 16],
"distribution": "uniform"
},
"y": "query.above_top_solid(v.worldx, v.worldz)", //Places the feature on top of the highest solid block on the column, so it won't place it on the surface of the water
"z": {
"extent": [0, 16],
"distribution": "uniform"
},
"scatter_chance": {
"numerator": 1,
"denominator": 25
}
}
}
}
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Water Surface Structure
Feature File
BP/features/raft_feature.jsonCopy
json
{
"format_version": "1.13.0",
"minecraft:structure_template_feature": {
"description": {
"identifier": "wiki:raft_feature"
},
"structure_name": "mystructure:raft",
"adjustment_radius": 4,
"facing_direction": "random",
"constraints": {
"block_intersection": {
"block_allowlist": [
"minecraft:water", //Makes the structure only replace air and water
"minecraft:air"
]
}
}
}
}
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Feature Rule
BP/feature_rules/ocean_raft_feature.jsonCopy
json
{
"format_version": "1.13.0",
"minecraft:feature_rules": {
"description": {
"identifier": "wiki:ocean_raft_feature",
"places_feature": "wiki:raft_feature"
},
"conditions": {
"placement_pass": "first_pass",
"minecraft:biome_filter": {
"test": "has_biome_tag",
"operator": "==",
"value": "ocean"
}
},
"distribution": {
"iterations": 1,
"x": {
"extent": [0, 16],
"distribution": "uniform"
},
"y": 62, //Makes the feature generate only on y62, which is Minecraft water level
"z": {
"extent": [0, 16],
"distribution": "uniform"
},
"scatter_chance": {
"numerator": 1,
"denominator": 25
}
}
}
}
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