SMBX NPC Offsets

NPC Memory
Name	Memory address	Memory type	Description
Attached layer name	NPC+0x00	VB6 String Pointer	The attached layer name.
Unknown	NPC+0x04	Word	Unknown
Unknown decrementing timer	NPC+0x06	Word	Unknown decrementing timer
Activate event layer name	NPC+0x2C	VB6 String Pointer	Activate event layer name
Death event layer name	NPC+0x30	VB6 String Pointer	Death event layer name
Talk event name?	NPC+0x34	VB6 String Pointer	Talk event name?
No More Objs event layer name	NPC+0x38	VB6 String Pointer	No More Objs event layer name
Layer name	NPC+0x3C	VB6 String Pointer	Layer name
Unknown	NPC+0x40	Word	Unknown (some sort of hide value if -1)
Activated	NPC+0x44	Word	Activated / interacted with player flag
Friendly	NPC+0x46	Word	Friendly (on = 0xFFFF)
Don't Move	NPC+0x48	Word	Don't Move (on = 0xFFFF)
NPC Message text	NPC+0x4C	VB6 String Pointer	NPC Message text
Is a generator	NPC+0x64	Word	Is a generator?
Generator delay setting	NPC+0x68	Float	Generator delay setting
Generator firing rate	NPC+0x6A	Word	Generator firing rate
Generator delay countdown	NPC+0x6C	Float	Generator delay countdown
Direction to generate NPC?	NPC+0x70	Word	Direction to generate NPC?
Layer to spawn NPC on	NPC+0x72	Word	Which layer to spawn NPC on
Invalidity/offscreen flag?	NPC+0x74	Word	Invalidity or offscreen flag?
X position	NPC+0x78	Double	X position
Y position	NPC+0x80	Double	Y position
Width	NPC+0x88	Double	Width
Height	NPC+0x90	Double	Height
X Speed	NPC+0x98	Double	X Speed
Y Speed	NPC+0xA0	Double	Y Speed
Spawn X	NPC+0xAC	Double	Spawn X
Spawn Y	NPC+0xB4	Double	Spawn Y
Id	NPC+0xE2	Word	Sprite GFX index/Identity
Animation frame	NPC+0xE4	Word	Animation frame
Animation timer	NPC+0xE8	Float	Animation timer
Throw id?	NPC+0xF4	Unknown	Related to lakitu throw identity?
Grabbable gun projectile timer	NPC+0xFC	Word	Grabbable gun projectile timer
Lakitu throw timer	NPC+0x110	Float	Lakitu throw timer
Direction faced	NPC+0x118	Float	Direction faced
Kill flag	NPC+0x122	Word
Unknown	NPC+0x124	Word
Offscreen flag	NPC+0x128	Double
Offscreen countdown timer?	NPC+0x12A	Word	Offscreen countdown timer?
Unknown	NPC+0x12C	Word	Unknown grabbing-related
On spawn?	NPC+0x136	Word	FFFF on spawn
Current Section	NPC+0x146	Word	Current section this NPC is on
Unknown	NPC+0x148	Float	Hit count