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Worlds populators

Example: two populators

worlds_populators:
custom_block:
block: myitems:custom_block
worlds:
- world
replaceable_blocks:
- STONE
- DIRT
- ANDESITE
- GRANITE
- COBBLESTONE
- GRAVEL
biomes:
- PLAINS
chunk_chance: 70.0
max_height: 45
min_height: 25
vein_blocks: 6
chunk_veins: 1
custom_block_2:
block: myitems:custom_block_2
worlds:
- world
replaceable_blocks:
- DIRT
chunk_chance: 100.0
max_height: 64
min_height: 40
vein_blocks: 3
chunk_veins: 1
This code allows you to tell ItemsAdder to generate the block "myitems:custom_block" in the world named "world" and replace only block of types STONE, DIRT, ANDESITE, GRANITE, COBBLESTONE, GRAVEL and only in biome PLAINS. It will spawn 1 vein made of 3 blocks in each chunk.

vein_blocks, chunk_veins, chunk_chance

I suggest you to read values from the blocks.yml file I created in the ItemsAdder folder. Don't put too high values or the server could lag. Take my values as example.
chunk_veins: number of veins to be spawned in the chunk vein_blocks: number of blocks in each ore vein (or the vein size) chunk_chance: chance of that generation to happen in the chunk. You should set it to 100 to normal ores and lower it down for more rare ores.
Old ItemsAdder versions before 3.1.6 used these properties instead: chunk_veins -> iterations
vein_blocks -> amount
chunk_chance -> chance

Biomes

You can remove this option and the plugin will spawn ores in every biome.
custom_block:
block: myitems:custom_block
worlds:
- world
replaceable_blocks:
- STONE
- DIRT
- ANDESITE
- GRANITE
- COBBLESTONE
- GRAVEL
chunk_chance: 70.0
max_height: 45
min_height: 25
vein_blocks: 6
chunk_veins: 1

Replaceable blocks

You can remove this option and the plugin will spawn ores replacing every block instead of checking if it can be replaced.
custom_block:
block: myitems:custom_block
worlds:
- world
chunk_chance: 70.0
max_height: 45
min_height: 25
vein_blocks: 6
chunk_veins: 1
​