Entity data documentation

About

This chart documents the effects of the V1, V2, I1, I2, and State fields for many NPCs. This is useful for creating variants of existing entities or changing their behavior.

This page is currently a work in progress; Ethereal plans to add more NPCs to the list soon.

Enemy List

Id	Entity	States	I1	I2	V1	V2
10	ENTITY_GAPER	MOVE - Used while the Gaper is moving	Unused	Unused	Unused	Unused
11	ENTITY_GUSHER	MOVE - Used while the Gusher is moving	Unused	Unused	Unused	Unused
12	ENTITY_HORF	Unused	Unused	Unused	Unused	Unused
13	ENTITY_FLY	IDLE - Used while the Fly is moving	Unused	Unused	The fly's velocity	Unused
14	ENTITY_POOTER	IDLE - Used while the Pooter is moving	Unused	Unused	The Pooter's velocity	Unused
15	ENTITY_CLOTTY	MOVE - Used while the Clotty is moving ATTACK - Used while the Clotty is shooting	Increments by 1 every time the Clotty attacks. Exact purpose is unknown	Unused	Unused	Unused
16	ENTITY_MULLIGAN	MOVE - Used while the Mulligan is moving SUICIDE - Used when the Mulligan explodes itself	Unused	Unused	Unused	Unused
18	ENTITY_ATTACKFLY	IDLE - Used while the Fly is moving	Unused	Unused	The fly's velocity	Unused
19	ENTITY_LARRYJR	MOVE - Used while Larry is moving	Unused	Unused	Only used by the Hollow. Represents its speed. The X value of the vector is Hollow's horizontal speed and the Y value of the vector is the Hollows vertical speed	Unused
20	ENTITY_MONSTRO	MOVE - Used while Monstro is moving ATTACK - Used when Monstro shoots tears JUMP - Used when Monstro begins to jump STOMP - Used while Monstro is moving midair from his leap attack. DEATH - Used while Monstro's death animation is playing	Unused	I1 is set to 1 while Monstro's state is ATTACK, 2 if it's JUMP or STOMP, otherwise it's 0. Exact purpose of this is unknown.	Unused	Unused
21	ENTITY_MAGGOT	MOVE - Used while the Maggot is moving	Unused	Unused	Unused	Unused
22	ENTITY_HIVE	MOVE - Used while Hive is moving ATTACK - Used when Hive spawns a fly.	Unused	Unused	The X value decreases when the Hive runs away from the player. If it's less than or equal to 0 while the Hive is running away, its state will switch to ATTACK and the x value is set to 70.	Unused
23	ENTITY_CHARGER	MOVE - Used while the Charger is moving ATTACK - Used while the Charger is charging	Unused	Unused	Used while the maggot's state is ATTACK. The X value is the Maggot's horizontal charging speed while the Y value is the Maggot's vertical charging speed. Keep in mind that you can only change one of the two coordinates. Otherwise, only the coordinate with the greatest value takes effect.	Unused
24	ENTITY_GLOBIN	MOVE - Used while the Globin is moving IDLE - Used while the Globin is a pile of goo	Unused	Unused	Unknown	Unused
25	ENTITY_BOOMFLY	MOVE - Used while the Boom Fly is moving	Unused	Unused	Unused	Unused
26	ENTITY_MAW	MOVE - Used while Maw is moving ATTACK - Used while Maw is shooting a projectile	Unused	Unused	Unused	Unused
27	ENTITY_HOST	IDLE - Used while the Host is hiding ATTACK - Used when the Host attacks	Unused	Unused	Unused	Unused
28	ENTITY_CHUB	MOVE - Used while Chub is moving ATTACK - Used while Chub is charging SUMMON - Used while Chub summons a Charger. DEATH - Used while Chub's death animation is playing	Unused	Unused	Used while Chub's state is ATTACK. The X value is Chub's horizontal charging speed while the Y value is Chub's vertical charging speed. Keep in mind that you can only change the X or Y value. Otherwise, only the direction with the greatest value takes effect.	Unused
29	ENTITY_HOPPER	IDLE - Used while the Hopper is holding still MOVE - Used while the Hopper is jumping	Unused	Unused	Unused	Unused
30	ENTITY_BOIL	IDLE - Used while the Boil is holding not attacking MOVE - Used while the boil attacks	Unused	Unused	Exact purpose unknown. The X value seems to dictate how fast the boil grows.	Unused

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Last update: September 15, 2022