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    What is a mobprog?

    A mobprog, short for “mobile program,” is a script in a multi-user dungeon (MUD) that is used to enhance non-player characters (NPCs).

    These scripts enable NPCs to perform a variety of actions autonomously, such as picking up items, interacting with players, or responding to certain triggers within the game environment.

    Mobprogs can significantly increase the interactivity and complexity of a MUD, making the game world feel more alive and responsive.

    Mobprogs were introduced to add depth and interactivity to MUDs by allowing dynamic responses and behaviors from NPCs, which were traditionally static. This innovation helped transform MUD environments from simple text-based landscapes into more engaging, immersive worlds.

    The term “mobprog” is sometimes shortened even further to “mprog.”

    Mobprog FAQs

    What can mobprogs do in a MUD?

    Mobprogs can make NPCs react to a wide range of events, such as a player entering a room, specific words or phrases spoken by players, or certain actions performed by or around the NPC. This functionality enhances the gameplay by making the environment and its inhabitants react in a more realistic and engaging manner.

    How are mobprogs created and implemented?

    Mobprogs are written in a specialized scripting language designed for use in MUDs. The functionality of the scripting language is defined by the game’s codebase. Administrators, game masters, or developers can write these scripts and attach them to NPCs to dictate their behaviors. The complexity of a mobprog can vary from simple one-line commands to intricate scripts that involve multiple triggers and responses.

    Are mobprogs unique to certain MUDs?

    Yes, while mprogs are common in many MUDs, they are not universal. Different MUD engines might use different scripting languages or systems for NPC behavior. Mobprog is a term most commonly associated with certain types of MUDs, and similar functionalities in other games might have different names.

    How do mobprogs affect player experience?

    Mobprogs greatly enhance player experience by adding depth and dynamism to NPC interactions. They allow for more complex storylines, quests, and world dynamics, making the game environment feel more interactive and alive.

    Do all mobprogs need to be triggered by a player?

    No, not all mprogs are triggered by player actions. Some are programmed to execute at certain times of the day, randomly, at specific intervals, or when other conditions are met.

    Myths about mobprogs

    • Mobprogs are only for combat: While mobprogs can be used to script combat behaviors, their applications are much broader, encompassing all aspects of NPC interaction and world dynamics.
    • Mobprogs make MUDs too complex for new players: Although mobprogs add complexity, they also make the game more intuitive and engaging by allowing NPCs to act in more lifelike ways.
    • All MUDs use mobprogs: Not all MUDs use mprogs, as different MUD systems have their own methods and scripts for NPC behavior.

    Mobprog examples

    • Greeting players: An NPC could have a mobprog script that makes them greet players as they enter a room, possibly with unique messages for different times of the day.
    • Triggered quests: An NPC might give out a quest when a player says a specific keyword or phrase indicated in the mprog.
    • Environmental interaction: A mobprog could make an NPC pick up an item left in the room and either use it or store it away.
    • Dynamic reactions: An NPC could respond differently to players based on their actions, qualities, or the state of the environment, thanks to a mobprog script. For example, the NPC could act cold toward elves and friendly toward dwarves.
    • Random atmospherics: A mobprog could be used to make NPCs randomly cough or sneeze in rainy weather or occasionally complain about being drenched.

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    About the author

    Andruid is a writer, roleplayer, storyteller, and nerd who tries to live by Bill and Ted wisdom, i.e. "Be excellent to each other."