
Mob Stages
This mod hooks in to the GameStage API, and allows mob spawning to be gated behind custom progression.
About this Mod
Mob Stages
Description
This mod is an addon for the GameStage API. This allows for mob spawning to be put into a custom progression system. You should check out the GameStage API mod's description for more info. To give a brief run down, stages are parts of the progression system set up by the modpack or server. Stages are given to players through a command, which is typically ran by a questing mod, advancement, or even a Command Block.
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Setup
This mod uses CraftTweaker for configuration.
Global Setup
mods.MobStages.addStage(String stage, String entityId);- Adds a mob to a stage. When it attempts to spawn in the world, it will check for nearby players that have this stage unlocked. If no valid players are found, the mob will not be able to spawn.mods.MobStages.addReplacement(String entityId, String replacementId);- Adds a replacement for the mob. If it fails to spawn, the replacement will be spawned instead. This requires that you add the mob to a stage first. This is optional.mods.MobStages.addRange(String entityId, int range);- Sets the range to search for players. The fault range is 256, and is automatically set for you. This is optional.mods.MobStages.toggleSpawners(String entityId, boolean allow);- Allows for mob spawners to ignore the stage rules and spawn the mob anyway.
Dimensional Setup
This mod adds dimension specific versions of all the methods in the previous section. The dimension versions accept the numeric dimension id as an additional last parameter. For example, mods.MobStages.addStage(String stage, String entityId); becomes mods.MobStages.addStage(String stage, String entityId, int dimension);. If a mob has a dimensional entry, it will override the global entry.
Example Script
// Creepers require stage one to spawn mods.MobStages.addStage("one", "minecraft:creeper");// Skeletons require stage two, or any spawner.
mods.MobStages.addStage("two", "minecraft:skeleton");
mods.MobStages.toggleSpawner("minecraft:skeleton", true);// Spiders require stage three in the nether.
mods.MobStages.addStage("three", "minecraft:spider", -1);// Zombies
mods.MobStages.addStage("four", "minecraft:zombie", -1);
mods.MobStages.toggleSpawner("minecraft:zombie", true, -1);// Zombies are replaced by bats in other dimensions.
mods.MobStages.addStage("four", "minecraft:zombie");
mods.MobStages.addReplacement("minecraft:zombie", "minecraft:bat");
Available Versions
How to Install Mob Stages on Your Server
Order Server
Order a Minecraft Java server with at least 3 GB RAM (4 GB recommended).
Set forge Loader
In the panel under "Egg", select the forge loader and matching Minecraft version (1.12.2).
Install Mod
Open the mod browser in the dashboard and search for "Mob Stages". Click "Install" – done! Alternatively, upload the .jar via SFTP to the /mods folder.
Compatibility
Mod Loaders
Minecraft Versions
1.12.2, 1.12.1, 1.12
Server-side
✓ RequiredRecommended RAM
4 GB(min. 3 GB)Frequently Asked Questions
Mob Stages server crashes on startup – what to do?
Most common cause: wrong forge version or insufficient RAM. Check the server log (latest.log) for "OutOfMemoryError" or "Mixin" errors. With Mado Hosting: ensure at least 3 GB RAM is allocated and the loader matches the mod version (1.12.2). You can switch loaders with one click in the panel.
Is Mob Stages compatible with forge?
Mob Stages officially supports forge for Minecraft 1.12.2, 1.12.1, 1.12. The Mado dashboard automatically detects incompatible loader combinations.
Server lagging with Mob Stages – how to optimize performance?
Recommended RAM: 4 GB (per 8 players). Use /spark profiler to check if Mob Stages consumes the most tick time. Common fixes: reduce server view-distance to 8-10, install "performant" or "starlight" as supplementary mods on Forge. With Mado Hosting, your server runs on NVMe SSDs with dedicated CPU cores for minimal latency.
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