Bukkit

Dynamically adjust drop rates based on how frequently a mob type (zombie, spider, ect) is killed compared to other mob types on the server. For every point a mob's drop rate falls, another mob's rate goes up to compensate. This gradual effect results in diminishing returns on heavily farmed mobs and encourages players to hunt less popular mobs.

Features

• When a mob is killed, their drop rate is reduced. A random mob's drop rate is increased to compensate.
• The sum drop rate of all mob stays at 100%, no worry of unbalancing the game.
• Experience and items can each be toggled for rate manipulation.
• Ability to blacklist items from being affected by the modified drop rate.
• Ability to affect only player kills, natural deaths can go untracked.
• Select which mob types to track. Default hostiles, can also add passive mobs to the config.
• Set a minimum and maximum rate that mobs can move between.
• Set groups of worlds so mobs killed in one group won't affect another group.

Requirements

• Java 6+

Optional

• A permissions plugin.
• MySQL

Setup

• Add the dynamicdroprate.jar to your server.
• Start the server.
• Enjoy

Commands

• /ddr: List commands.
• /ddr list: List the drop rates of affected mobs.
• /ddr reload: Reload the plugin.
• /ddr version: Get the version running.
• /ddr resetstats: Reset the stats on all mobs.
• /ddr equalize: equalize mob sum to 100%, sometimes it moves off slightly.

Permissions

• ddr.admin: Grants the following permissions
  • ddr.list: List mobs
  • ddr.reload: Reload the plugin
  • ddr.version: Show the version.
  • ddr.reset: Reset stats.
  • ddr.equalize: equalize sum to 100%.

Configuration

• properties
  • db-type: DB type to use, default 'sqlite' (no setup nessesary), 'mysql' also available (login needed below)
  • permission-default: Permissions default setting, op/notop/true/false
  • async-db-queries: Run database queries on separate thread. Reduces lag when accessing the database.
  • rate-change: Percentage increased/decreased droprate each death.
  • debug-messages: Spammy debug messages to see what the plugin's doing.
  • affect-exp: Modify exp drop amounts.
  • affect-drops: Modify item drop amounts.
  • only-affect-player-kills: Only change rates on player kills.
  • save-frequency: How often in seconds to save rates to database. (it also saves on shutdown)
  • use-metrics: Let mcstats.org know you're running the plugin.
  • minimum-rate: How low a rate can fall to. 0=0%, 0.2=20%, 0.5=50%.
  • excluded-items: List of item ids to exclude items from.
• mysql: Typical Mysql login info (if db-type is set to mysql).
• mobs: List of mobs to track. List of valid mobs.
• world-groups: Group worlds together.
  • default: List of worlds within the 'default' group. Rates in this group won't affect rates in another group.

Metrics

http:mcstats.org/plugin/DynamicDropRate

This plugin utilizes Hidendra's plugin metrics system, which means that the following information is collected and sent to mcstats.org:

• A unique identifier
• The server's version of Java
• Whether the server is in offline or online mode
• The plugin's version
• The server's version
• The OS version/name and architecture
• The core count for the CPU
• The number of players online
• The Metrics version

Read more here. This functionality can be disabled in the config file.

Source code available here.
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Have an issue or suggestion? Post a ticket.