# Villager Brain Config A lightweight, highly optimized mod that makes villager pathfinding behavior fully configurable ## Features - **Per-block malus control** Customize how villagers treat different blocks in pathfinding. Blocks are configurable to any malus, block and item tags supported - **Profession-based malus** Configure different path preferences per villager profession. - **Global block penalty caching** Pathfinding results are cached for maximum efficiency across multiple villagers - **Native modded support** The config file supports any modded blocks or professions --- ## Example Use Cases - Prevent villagers from walking into trap blocks like campfires or magma - Make water paths viable for fishermen only - Design custom village layouts with optimized navigation paths - Prevent villagers from wandering off paths - Add personality to each profession type ## Pathfinding Visualizations **Smart villager takes the short path to get to his job site** ![Smart villager takes the short path to get to his job site](https://drive.google.com/thumbnail?id=12EYXr2I2spYvB1EIyqYqIuXF8PCHIlkr&sz=s800) --- **Stupid villager walks off the screen to get to his job site** ![Stupid villager walks off the screen to get to his job site](https://drive.google.com/thumbnail?id=1JTPeOKFArVBhIZSzLnHEVtvYeTZsyMFH&sz=s800) ## Planned features - Per-villager-type rules (eg. plains villagers, taiga villagers)

Performance

Villager Brain Config is designed to be almost **invisible in impact** or even **faster than vanilla** ### Test case - 250 villagers - Each pathing to a unique workstation in a grid - Compared vanilla to modded using Spark profiler ### Results **Vanilla Logic** ![Vanilla: VillagerEntity.tick(): 7.42](https://cdn.modrinth.com/data/cached_images/68e8d67ad2335bcc9541648158bea0b27f0f4f11.png) **Modded Logic** ![Modded: VillagerEntity.tick(): 5.68](https://cdn.modrinth.com/data/cached_images/332f2ac99ce85e307cd130f9e3046ffb7a7e6c9d.png) **Mod total** ![villager-bran-config: 1.75ms](https://cdn.modrinth.com/data/cached_images/450410b455d526c021c05052d35ecf5f93240d02.png)

Configuration

All settings are in a `villager-brain-config.json` file in the config folder. ```json { "walk_on_block_penalties": { "minecraft:grass_block": 4.0, "minecraft:dirt_path": 0.0, "default": 5.0 }, "walk_through_block_penalties": { "minecraft:lava": -1.0, "minecraft:tall_grass": 20, "default": 0.0 }, "actions_penalties": { "jump": 10.0 }, "professions": { "minecraft:farmer": { "walk_on_block_penalties": { "minecraft:farmland": 0.0, "minecraft:grass_block": 2.0 } }, "minecraft:fisherman": { "walk_on_block_penalties": { "minecraft:water": 0.0 }, "walk_through_block_penalties": { "minecraft:water": 0.0 } } }, "avoids": [ { "block": "minecraft:lava", "radius": 3, "penalty": -1.0 } ] }

Villager Brain Configuration

1.21.1 NeoForge

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