⛰️ Mountools for Axiom

A Fabric mod-addon for Minecraft that extends the Axiom world-editor mod (by moulberry) with a family of custom terrain-generation tools. Each tool plugs straight into Axiom's own tool menu and builds a different style of mountain, with per-tool settings you can tweak live through Axiom's ImGui options panel.

Features

• Native Axiom integration — tools register into Axiom's tool menu and use its region/change pipeline, so previews, building, and undo all feel first-class.
• Live, configurable settings — radius, height, roughness, noise scale, seed, snow cap, and per-tool material choices, all exposed through ImGui sliders and combos.
• User-selectable block palettes — every tool's blocks are picked from a curated list (BlockChoices), so you can restyle a mountain without leaving the panel. Defaults reproduce each tool's original look.
• Deterministic live preview — noise is seeded, so what you see in the preview is exactly what gets built.
• Zero-dependency noise — a small self-contained value-noise / fBm implementation (NoiseUtil) perturbs the height profiles, no external libraries needed.
• Degrades gracefully — if Axiom isn't installed the mod simply registers nothing and logs a warning; it never crashes your game. Axiom is recommended, not required.

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🏔️ The Tools

Tool	Style
🌋 Volcano	A cone with a lava-filled crater
⛰️ Conical	A smooth, rounded peak
🪨 Rocky Peak	Terraced, jagged cliffs
🏜️ Mesa	A flat-topped plateau with terracotta banding
🫧 Metaball	A free-form 3D "drawing" tool — drop blended implicit-surface balls and sculpt volumes

The first four are small subclasses of AbstractMountainTool that each define only their height profile and block palette. Metaball is a true 3D volume tool, so it implements Axiom's CustomTool directly instead of the height-map based abstract tool.

🖱️ Using Metaball

• Right-click — drop a blended metaball
• Enter — build the result into the world
• Delete — undo the last ball

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