Portals & Dimensions

Create fully customizable portals linked to procedurally generated dimensions — all from an intuitive in-game GUI.

Features

Custom Portals

• Build portal frames from any solid block (obsidian, diamond, gold, etc.)
• Adjustable portal size (width x height)
• Configurable 24-bit portal color with live preview
• Horizontal and vertical portal orientations
• Color picker with palette, recent colors, and RGB input

Custom Dimensions

• 7 terrain types: Void, Flat, Normal, Amplified, Nether, End, and Math formula
• Math terrain: Define terrain with sin, cos, noise, perlin, fbm, and custom expressions - supports 2D heightmap and full 3D density
• Coordinate scale slider for terrain stretch/compression
• Smooth terrain toggle for natural-looking slopes
• Configurable sea level, surface/underground/fluid blocks
• Cave generation with adjustable density
• Ore generation (coal, iron, copper, gold, redstone, diamond, lapis)
• Structure generation (villages, temples, etc.) - toggleable
• Mixed biome support with Perlin-noise-based transitions

Atmosphere

• Sky, fog, ambient light, water, and cloud color customization
• Fog density control
• Skylight, ceiling, and ultrawarm dimension properties
• Light level override (0-15)
• Configurable ambient particles (portal, end rod, soul fire, lava, etc.)

Game Rules (per-dimension)

• Day/night cycle & fixed time
• Mob spawning, natural spawning, PvP, fall damage, fire spread
• Keep inventory, bed works, respawn allowed
• Weather lock (clear, rain, thunder)
• Gravity multiplier

Commands

• /pdims list — List all configured custom dimensions
• /pdims tp <dimension> — Teleport to a custom dimension
• /pdims info <dimension> — View dimension configuration details
• /pdims reload — Reload dimension configs from file

Screenshots

Math Formula Terrain

Available functions: sin, cos, tan, abs, sqrt, pow, min, max, mod, floor, ceil, round, noise(x,z), perlin(x,y,z), fbm(x,y,z,octaves,lacunarity,gain), if(cond, a, b), random(x,z), dist(x,z), gauss(x,z), mix(a,b,t), remap(v, inLo, inHi, outLo, outHi)

Requirements

• Minecraft 26.1.x
• Fabric Loader 0.18.5+
• Fabric API 0.145.3+

Getting Started

1. Craft or get the Portals & Dimensions lighter (creative tab or /give)
2. Right-click to open the configuration GUI
3. Portals tab: Set frame block, portal color, and size
4. Dimension tab: Configure terrain type, formula, biome, colors, and game rules
5. Manage tab: Save, clone, export, or import dimension configs
6. Light a portal frame with the configured lighter to create a linked portal