===Increases Happiness (in order)===
Getting Fed
grass
open air
Sunlight
Hay bales
A few animal entities around
Some water
Flowers/Tall Grass/Ferns
Leaves
Jukebox Music
===Decreases Happiness===
Many entities around them (crowded)
In Water
Breeding (by a lot)
Fire/Lava
Soul Sand
Animals Dying Near Them
Rain
Darkness
TNT
===Effects of Happiness===
Wander towards Happier places
Can't do tricks if low happy
Can't produce drops (eggs, milk, wool) if low happiness
Note: Cats count as hostile mobs for determining happiness
===Increases Happiness (in order)=== Getting Fed grass open air Sunlight Hay bales A few animal entities around Some water Flowers/Tall Grass/Ferns Leaves Jukebox Music
===Decreases Happiness=== Many entities around them (crowded) In Water Breeding (by a lot) Fire/Lava Soul Sand Animals Dying Near Them Rain Darkness TNT
===Effects of Happiness=== Wander towards Happier places Can't do tricks if low happy Can't produce drops (eggs, milk, wool) if low happiness
Note: Cats count as hostile mobs for determining happiness