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https://github.com/minecraftmoddevelopmentmods/orespawn

Mod for spawning ores in minecraft
https://github.com/minecraftmoddevelopmentmods/orespawn

minecraft minecraft-forge-mod minecraft-mod ore-generators

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Mod for spawning ores in minecraft

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[![Build Status](https://ci.mcmoddev.com/job/OreSpawn/job/OreSpawn%201.12/badge/icon)](https://ci.mcmoddev.com/job/OreSpawn/job/OreSpawn%201.12/)

# OreSpawn
Minecraft library mod that provides better control over the spawning of ores in Minecraft.
If you're looking for a place to report bugs for the mod that adds extra mobs, the "DangerZone", etc... go [to the site for that mod](http://www.orespawn.com/) as this is not it.

## How it works
Ore Spawn parses all of the .json files found in `orespawn` and adds ore generators to the game based on those files. The JSON structure looks like this:

```json
[
{
"dimension": -1,
"ores": [
{
"block": "minecraft:quartz_ore",
"size": 15,
"variation": 4,
"frequency": 7,
"min_height": 0,
"max_height": 128
}
]
},
{
"ores": [
{
"block": "minecraft:coal_ore",
"size": 25,
"variation": 12,
"frequency": 20,
"min_height": 0,
"max_height": 128
},
{
"block": "minecraft:iron_ore",
"size": 8,
"variation": 4,
"frequency": 20,
"min_height": 0,
"max_height": 64
},
{
"block": "minecraft:gold_ore",
"size": 8,
"variation": 2,
"frequency": 2,
"min_height": 0,
"max_height": 32
},
{
"block": "minecraft:diamond_ore",
"size": 6,
"variation": 3,
"frequency": 8,
"min_height": 0,
"max_height": 16
},
{
"block": "minecraft:lapis_ore",
"size": 5,
"variation": 2,
"frequency": 1,
"min_height": 0,
"max_height": 32
},
{
"block": "minecraft:emerald_ore",
"size": 1,
"variation": 0,
"frequency": 8,
"min_height": 4,
"max_height": 32,
"biomes": [
"minecraft:extreme_hills",
"minecraft:smaller_extreme_hills"
]
},
{
"block": "minecraft:dirt",
"size": 112,
"variation": 50,
"frequency": 10,
"min_height": 0,
"max_height": 255
},
{
"block": "minecraft:gravel",
"size": 112,
"variation": 50,
"frequency": 8,
"min_height": 0,
"max_height": 255
},
{
"block": "minecraft:stone",
"state": "variant=granite",
"size": 112,
"variation": 50,
"frequency": 10,
"min_height": 0,
"max_height": 255
},
{
"block": "minecraft:stone",
"state": "variant=diorite",
"size": 112,
"variation": 50,
"frequency": 10,
"min_height": 0,
"max_height": 255
},
{
"block": "minecraft:stone",
"state": "variant=andesite",
"size": 112,
"variation": 50,
"frequency": 10,
"min_height": 0,
"max_height": 255
}
]
}
]
```

### dimension
The number ID of a dimension. Don't specify any dimension to target all dimensions *that are not already specified*.
### ores
Array of JSON objects specifying ore generators for this dimension
### block
Text ID of a block (the same you would use in the /give command)
### state
The state of a block (typically used for colored blocks)
### size
The number of blocks to spawn. Unlike the default Minecraft world settings JSON, this is the actually number of blocks that will spawn.
### variation
How much to randomly vary the number of blocks spawned (I recommend making this value 50% of the *size* value)
### frequency
How often, per chunk, to attempt to spawn this ore block. This value can be a fraction less than 1. If this value is between 0 and 1, then not every chunk will have a spawn in it. For example, a frequency of 0.1 means that there will be one attempt to spawn the ore per 10 chunks.
### min_height
The lowest Y-coordinate that the ore is allowed to spawn at
### max_height
The highest Y-coordinate that the ore is allowed to spawn at
### biomes
If this array is not empty, then the biomes in which the ore will spawn is restricted to those specified by ID in this array.

# API
Adding OreSpawn support to your mod is not hard. Look at `VanillaOreSpawn.java` for an example.