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The wiki is for the most part updated to be v0.12.0 compatible. If you notice anything amiss, please correct it.

Just Another Spawner (JAS) is a Minecraft Mod aimed at providing an alternative entity spawning system for Minecraft.

JAS adds an entity spawning system that runs in parallel with the vanilla system. By design, it fundamentally works the same as its vanilla counterpart, but allows for greater customization by exposing and consolidating many of the properties that are involved. Since it runs in parallel, by default, JAS will disable the vanilla entity system by emptying all biome spawnlists. It will import settings from entities that are declared in minecraft, including those added by mods, and set them to spawn within JAS spawner.

There are a few conceptual objects you should be familiar with when working with JAS and will be referenced in the documentation. The three major ones pertaining to entities are the Entity Category, LivingHandler, and SpawnListEntry. The entity category can be thought of as the species; it is the typical Monster, Ambient, Creature, Watercreature split in vanilla. The LivingHandler is a container for the Entity properties; these settings globally effect all entities of a type (i.e all Zombies, or all Sheep). Last but hardly least, the spawn list entry represents the spawning properties on a per-biome basis. How often to spawn or in what amount can all be configured on a per biome basis. JAS Spawner explains the underlying principles of JAS. If you are not at all familiar with minecraft spawning reading Spawning 101 is a good prerequisite.

The JAS configs are almost entirely world-specific, and thus you must enter a world, not just start minecraft, to generate all the necessary CFG files.

The UserGuide is a recent initiative to gradually introduce users into JAS by limiting the knowledge given to a specific task.

Installation Instructions

1. Install Forge
2. Drop in Mods Folder
3. Dance
4. Enjoy

What License is this under?

License / Legal Stuff Copyright 2012 Tarion Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at

http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.