ExampleOS3v2Config

What follows is a (hopefully!) working config that should add spawns of 3 different materials from 3 different mods - using 3 different feature generators.

{
    "version": "2.0",
	"spawns": {
		"advanced rocketry dilithium": {
			"retrogen": false,
			"enabled": true,
			"dimensions": [],
			"biomes": { "excludes": [] },
			"blocks": [ { "name": "libvulpes:ore0", "state": "variant=0", "chance": 100 } ],
			"replaces": "default",
			"feature": "vein",
			"parameters": {
				"minHeight": 16,
				"maxHeight": 80,
				"variation": 16,
				"frequency": 25,
				"minAttempts": 4,
				"maxAttempts": 8,
				"size": 4,
				"length": 32,
				"wander": 50
			}
		},
		"ic2 copper": {
			"retrogen": false,
			"enabled": true,
			"dimensions": [],
			"biomes": { "excludes": [] },
			"blocks": [ { "name": "ic2:resource", "state": "type=copper_ore", "chance": 100 } ],
			"replaces": "default",
			"feature": "clusters",
			"parameters": {
				"minHeight": 32,
				"maxHeight": 96,
				"minAttempts": 4,
				"maxAttempts": 12,
				"maxSpread": 16,
				"size": 8,
				"numObjects": 16,
				"variation": 8
			}
		},
		"TiC cobalt": {
			"retrogen": false,
			"enabled": true,
			"dimensions": [ -1 ],
			"biomes": { "excludes": [] },
			"blocks": [ { "name": "tconstruct:ore", "state": "type=cobalt", "chance": 100 } ],
			"replaces": "default",
			"feature": "precision",
			"parameters": {
				"minHeight": 0,
				"maxHeight": 128,
				"numObjects": 8,
				"size": 24
			}
		}
	}
}