Thirsty Bar

when the player's health decreases, thirst will be used for regeneration

but if thirst is less than 8 bars, regen will be stopped

Health:

• +(max health - current health) / (max health + (max health - current health))

Thirst:

• Easy: -0.075/s
• Normal: -0.1/s
• Hard: -0.125/s

Effect:

When thirst is less than 3 bars, your walking will slow down.

If there is 1 bar left you will get a dizzy effect, and if it runs out you will get 3 damage every 4 seconds

difficulty:

• Easy
  walk: -0.5 bar around 3:10
  run: -0.5 bar around 1:48
• normal
  walk: -0.5 bar around 2:40
  run: -0.5 bar around 1:30
• hard
  walk: -0.5 bar around 2:20
  run: -0.5 bar around 1:13

20% faster decrease if jumping
and increase by 10% if thirst is less than 9 bars

There are 10 thirst bars, each bar is 2 thirst points, so the total is 20 points.

you can drink through below

block:
- cauldron filled with water: 7, effect: poison duration: 4 chance 50%
- water: 7, effect: poison duration: 4 chance 65%
- flowing water: 7, effect: poison duration: 4 chance 65%

entity:
- cow: 3, delay: 7 seconds
- moosroom: 3, effect: poison duration: 5 or nausea and hunger duration: 10 chance 50:50 delay: 7 seconds

list of foods that increase thirst:

- thirst:purified_water_bottle: 10

So you can get this purified water from water bottles that are cooked in a campfire or furnace.

- minecraft:milk_bucket: 15
- minecraft:apple: 1.2
- minecraft:beetroot: 0.7
- minecraft:beetroot_soup: 2
- minecraft:carrot: 0.7
- minecraft:chorus_fruit: 0.7
- minecraft:enchanted_golden_apple: 3
- minecraft:golden_apple: 3
- minecraft:glow_berries: 1
- minecraft:golden_carrot: 1.5
- minecraft:melon_slice: 2.5
- minecraft:mushroom_stew: 2
- minecraft:poisonous_potato: 0.5
- minecraft:potato: 0.5
- minecraft:rabbit_stew: 2
- minecraft:suspicious_stew: 2
- minecraft:sweet_berries: 1

list of foods that reduce thirst:

- minecraft:baked_potato: -1
- minecraft:bread: -1
- minecraft:cake: -1
- minecraft:cooked_chicken: -2
- minecraft:cooked_cod: -1.6
- minecraft:cooked_mutton: -2.5
- minecraft:cooked_porkchop: -3
- minecraft:cooked_rabbit: -1.5
- minecraft:cookie: -0.3
- minecraft:dried_kelp: -0.3
- minecraft:honey_bottle: -0.7
- minecraft:pufferfish: -0.5
- minecraft:pumpkin_pie: -2
- minecraft:beef: -1
- minecraft:chicken: -1
- minecraft:cod: -0.5
- minecraft:mutton: -1
- minecraft:porkchop: -1
- minecraft:rabbit: -0.5
- minecraft:salmon: -0.5
- minecraft:rotten_flesh: -3
- minecraft:spider_eye: -3
- minecraft:cooked_beef: -2