A complete survival overhaul that adds two interconnected systems to your world: thirst and temperature. Stay hydrated, dress for the weather, and watch your environment, every biome, every block, and every decision matters.

Features

🌡️ Temperature System

Your body temperature changes dynamically based on the world around you. A thermometer HUD displays beside your water bar, shifting through five states: Very Cold, Cold, Normal, Hot, and Very Hot.

What affects your temperature:

Biome detection — The system scans 100+ block types around you to determine the biome temperature. Deserts and badlands scorch you, snowy tundras freeze you, and forests keep things mild.
Day/night cycle — Midday is warmest, night is coldest. Plan your expeditions accordingly.
Altitude — High mountains are freezing. Deep underground is warmer.
Shelter — A roof over your head insulates you, pulling temperature back toward normal.
Heat sources — Campfires, lava, torches, furnaces, and fire all radiate warmth with realistic distance falloff.
Water exposure — Swimming makes you colder over time. Deeper water is worse. Stay in too long and hypothermia sets in progressively.
Armor — Leather is the best cold-weather gear. But heavy metal armor in a desert? That traps heat and makes you even hotter.
Dimension-aware — The Nether is always scorching. The End is always cold.

Temperature States:

Very Cold — Slowness II, mining fatigue, freezing damage over time. A frost overlay covers your screen.
Cold — Slowness I. A warning to find warmth.
Normal — No effects. You're comfortable.
Hot — Hunger effect. You're sweating.
Very Hot — Hunger II, weakness, fire damage over time. A heat overlay fills your screen edges.

Transitions between states are smooth and gradual, no jarring instant swaps.

💧 Thirst System

A thirst bar appears on your HUD alongside the default hunger bar. It depletes as you move, sprint, and jump, faster in hot biomes, slower in cold ones.

How thirst works:

Movement drains thirst — Walking, sprinting, and jumping all cost water. Sprinting costs nearly double.
Difficulty scaling — Hard mode drains faster than Easy.
Climate matters — Deserts drain 60% faster. The Nether drains 2x faster. Snowy biomes slow drain by 40%.
Healing costs water — When your health regenerates, it uses extra thirst.
Food hydration — Fruits and soups restore thirst. Melons, berries, apples, stews — they all help. But dry foods like bread, cooked meat, and dried kelp actually make you thirstier.

Dehydration penalties:

Below 6 thirst: Slowness IV kicks in
Below 2 thirst: Nausea
At 0 thirst: You start taking damage

🫗 Water Canteen & Purification

Craft a Water Canteen from leather and string at a crafting table:

Water sources:

Raw drinking — Sneak + interact (empty hand) near water when thirsty. Restores 7 thirst but risks poison (20% chance) and always gives a brief hunger effect.
Dirty Canteen — Fill your empty canteen at any water source. Holds 3 drinks (5 thirst each), but dirty water risks poison and hunger effects.
Purified Canteen — Smelt a dirty canteen in a furnace, campfire, or soul campfire. Same 3 drinks, zero side effects, plus a cooling bonus.
Purified Water Bottle — Smelt a regular potion (water bottle) for a single-use purified drink worth 10 thirst.
Cauldrons — Sneak + interact with a water-filled cauldron for emergency drinking (uses one fill level).

Installation

Download both Resource Pack (RP) and Behavior Pack (BP)
Import both packs into Minecraft Bedrock
Apply both packs to your world
Play! The systems activate automatically

Requirements:

Minecraft Bedrock Edition 1.21.0 or later

Multiplayer: Fully supported. Each player has independent thirst and temperature tracking.

Tips for Survival

Carry a canteen — It's the difference between life and death in a desert.
Purify your water — A campfire in the wild can save you from poison.
Wear leather in the cold — It's the best insulation in the game. Full leather gives more cold protection than full diamond.
Don't wear iron in the desert — Metal armor traps body heat. Go light or wear leather.
Build shelter — Any solid roof (not leaves or glass) insulates you.
Use campfires — They warm nearby players and can purify your canteen.
Eat smart — Melon slices and berries hydrate you. Bread and cooked meat make you thirstier.
Watch the clock — Travel during mild hours. Night in a snowy biome can kill.

Water & Temperature System