OBD:DOOR

This is about the door class resource. For door instances, see OBD:BINA/OBJC/DOOR.

DOOR : Door

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Overview @ Oni Stuff

Offset	Type	Raw Hex	Value	Description
0x00	res_id	01 2B 03 00	811	00811-wh_door1side.DOOR
0x04	lev_id	01 00 00 00	0	level 0
0x08	link	01 2C 03 00	812	link to 00812-.OFGA
0x0C	link	00 00 00 00	unused	link to another OFGA file; never used in Oni
0x10	link	01 28 03 00	808	link to 00808-small_anim.OBAN
0x14	float	00 00 00 3F	0.500000	passable sound attenuation, exact formula unknown
0x18	int32	02 00 00 00	2	AI sound types which are allowed to pass, see below
0x1C	int32	FF FF FF FF	-1	AI sound type: -1 - no sound 0 - unimportant 1 - interest 2 - danger 3 - melee 4 - gunfire
0x20	float	00 00 C8 42	100.000000	AI sound radius
0x24	char[32]	door2_shrt		door open sound (reference to 08355-door2_shrt.imp.OSBD)
0x44	char[32]	door2_shrt		door close sound (reference to 08355-door2_shrt.imp.OSBD)
0x64	int32	00 00 00 00	0	runtime only
0x68	int32	00 00 00 00	0	runtime only

Geometry and animation

The geometry referenced here is normally used only when a level is designed. Once a level is created the geometry is baked into the environment and it is also copied into a separate geometry that is referenced by an object. The texture referenced by the door geometry may be overridden by the texture specified in the door object.
In contrast, the door animation is used in-game. Unlike other object animations, door animations are "local" or relative; they do not contain the absolute door position, and as a result they can be used for doors in different locations.

About passable sounds (fields 0x14, 0x18)

Selected sound types (field 0x18) are allowed to pass through a door while the rest of the sound types are halted as if the door were a wall. To be clear, this is in reference to the sound spheres used by the AI; it does not affect a player's ability to hear the actual sounds.
0x18:

0 - all sound types allowed through
1 - unimportant and interest sound types halted, rest allowed through
2 - unimportant, interest, danger,melee sound types halted, gunfire type allowed through
3 - all sound types halted

When an AI2 sound sphere is allowed to pass, it is "attenuated" (field 0x14) — its reach is shortened. This shortening is not visible via ai2_showsounds=1 (the command will show the whole AI2 sound sphere). The attenuation does not depend on how far from the door the source of the sound is.