supplyCrateGen.json

{
	"priority": 1000,
	"populate": {
		"supply_crates": {
			"distribution": "surface",
			"follow-terrain": true,
			"material": [
				"minecraft:grass",
				"minecraft:sand",
				"minecraft:sandstone",
				"minecraft:red_sandstone",
				"minecraft:hardened_clay",
				"minecraft:stained_hardened_clay",
				"minecraft:stone_slab",
				"minecraft:stonebrick",
				"minecraft:double_stone_slab",
				"minecraft:double_stone_slab2",
				"minecraft:gravel",
				"minecraft:stone",
				"biomesoplenty:dried_sand",
				"minecraft:air"
			],
			"generator": {
				"type": "spout",
				"block": "contenttweaker:supply_crate",
				"radius": 0,
				"height": 1
			},
			"cluster-count": 1,
			"chunk-chance": 60,
			"retrogen": true,
			"biome": "all",
			"dimension": {
				"restriction": "blacklist",
				"value": [
					-1,
					1
				]
			}
		}
	}
}