OBD:AGQG: Difference between revisions

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{{OBD_File_Header | type=AGQG | prev=AGQC | next=AGQR | name=Gunk Quad General Array | family=Level | align=center}}
{{OBD_File_Header | type=AGQG | prev=AGQC | next=AGQR | name=Gunk Quad General Array | family=Level | align=center}}


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:0x00 00 '''01''' 00 - no occlusion
:0x00 00 '''01''' 00 - no occlusion
:0x00 00 '''02''' 00 - danger
:0x00 00 '''02''' 00 - danger
:0x00 00 '''08''' 00 - vertical collision: slope < 70°
:0x00 00 '''08''' 00 - vertical collision: slope &lt; 70°
:0x00 00 '''10''' 00 - horizontal collision: slope > 70°
:0x00 00 '''10''' 00 - horizontal collision: slope &gt; 70°
:0x00 00 '''40''' 00 - grid ignore
:0x00 00 '''40''' 00 - grid ignore
:0x00 00 '''80''' 00 - no decal
:0x00 00 '''80''' 00 - no decal
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;Ghost, Stairs up, Stairs down
;Ghost, Stairs up, Stairs down
:These flags are used for BNV adjacencies, see [[AKAA]]. Stairs up/down are used instead of Ghost when the quad is placed at the bottom/top of the stairs. These quads are not visibile. The script variable env_show_ghostgqs is intended to control the visibility of such quads but it requires "debug" level files.
:These flags are used for BNV adjacencies, see [[AKAA]]. Stairs up/down are used instead of Ghost when the quad is placed at the bottom/top of the stairs. These quads are not visibile. The script variable env_show_ghostgqs is intended to control the visibility of such quads but it requires &quot;debug&quot; level files.


:There are a couple of ghost quads that aren't referenced from [[AKAA]]. It's likely that those quads are useless.
:There are a couple of ghost quads that aren't referenced from [[AKAA]]. It's likely that those quads are useless.


;Door frame
;Door frame
:This appears to be another type of "ghost" quad (its visibility is controlled by the same env_show_ghostgqs variable). Sometimes it is used together with the Ghost flag but not always. Only the door frames that also have the Ghost flag are used as adjacencies so it's unclear if the rest of the door frames serve any purpose. In fact it appears that this flag has no effect other than making the quad invisible.
:This appears to be another type of &quot;ghost&quot; quad (its visibility is controlled by the same env_show_ghostgqs variable). Sometimes it is used together with the Ghost flag but not always. Only the door frames that also have the Ghost flag are used as adjacencies so it's unclear if the rest of the door frames serve any purpose. In fact it appears that this flag has no effect other than making the quad invisible.


;Stairs
;Stairs
Line 87: Line 95:
:* block player access to some parts of the environment
:* block player access to some parts of the environment
:* stairs ramp
:* stairs ramp
:* collision geometry (used by some "complex" furniture)
:* collision geometry (used by some &quot;complex&quot; furniture)
:* danger quads (see above)
:* danger quads (see above)
:* some other apparently useless quads
:* some other apparently useless quads

Revision as of 08:17, 24 November 2010



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ONI BINARY DATA
AGQC << Other file types >> AGQR
AGQG : Gunk Quad General Array
switch to XML:AGQG page
Overview @ Oni Stuff
OBD.png


Agqg a.gif


Offset Type Raw Hex Value Description
0x00 res_id 01 49 02 00 585 00585-.AGQG
0x04 lev_id 01 00 00 06 3 level 3
0x08 char[20] AD DE dead unused
0x1C int32 15 A8 00 00 35349 array size
First element (black outline)
0x00 int32 00 00 00 00 0 PNTA element for 1st vertex
0x04 int32 01 00 00 00 1 PNTA element for 2nd vertex
0x08 int32 02 00 00 00 2 PNTA element for 3rd vertex
0x0C int32 03 00 00 00 3 PNTA element for 4th vertex
0x10 int32 F5 0F 00 00 4085 TXCA element for 1st vertex
0x14 int32 F3 0F 00 00 4083 TXCA element for 2nd vertex
0x18 int32 F4 0F 00 00 4084 TXCA element for 3rd vertex
0x1C int32 F6 0F 00 00 4086 TXCA element for 4th vertex
0x20 color 00 00 00 00 0, 0, 0, 0 byte-swapped ARGB color for 1st vertex
0x24 color 00 00 00 00 0, 0, 0, 0 byte-swapped ARGB color for 2nd vertex
0x28 color 02 07 09 00 2, 7, 9, 0 byte-swapped ARGB color for 3rd vertex
0x2C color 06 15 1E 00 6, 21, 30, 0 byte-swapped ARGB color for 4th vertex
0x30 bitset32 00 00 08 02 0, 0, 8, 2 flags; used values:
0x01 00 00 00 - door frame (invisible quad that uses the TXMP_DOOR_FRAME texture)
0x02 00 00 00 - ghost (pathfinding volume separator, see AKVA etc)
0x04 00 00 00 - stairs up
0x08 00 00 00 - stairs down
0x10 00 00 00 - stairs
0x40 00 00 00 - triangle (see above)
0x80 00 00 00 - transparency (if 0 then alpha is ignored, color is just RGB shading)
0x00 02 00 00 - two-sided
0x00 08 00 00 - no collision
0x00 20 00 00 - invisible
0x00 40 00 00 - no object collision
0x00 80 00 00 - no character collision
0x00 00 01 00 - no occlusion
0x00 00 02 00 - danger
0x00 00 08 00 - vertical collision: slope < 70°
0x00 00 10 00 - horizontal collision: slope > 70°
0x00 00 40 00 - grid ignore
0x00 00 80 00 - no decal
0x00 00 00 01 - furniture
0x00 00 00 02 - projection plan bit 0, see below
0x00 00 00 04 - projection plan bit 1, see below
0x00 00 00 08 - sound-transparent
0x00 00 00 10 - impassable
0x34 int32 FF FF FF FF -1 object ID and type to which this quad belongs (see ONOA for details); -1 if it does not belong to an object
Triangles
Many quads are in fact triangles: the last two vertices have the same PNTA and TXCA entries, and the ARGB color is (255, 205, 205, 205) (80% gray, 100% opaque). There is also a flag specifying that.
Ghost, Stairs up, Stairs down
These flags are used for BNV adjacencies, see AKAA. Stairs up/down are used instead of Ghost when the quad is placed at the bottom/top of the stairs. These quads are not visibile. The script variable env_show_ghostgqs is intended to control the visibility of such quads but it requires "debug" level files.
There are a couple of ghost quads that aren't referenced from AKAA. It's likely that those quads are useless.
Door frame
This appears to be another type of "ghost" quad (its visibility is controlled by the same env_show_ghostgqs variable). Sometimes it is used together with the Ghost flag but not always. Only the door frames that also have the Ghost flag are used as adjacencies so it's unclear if the rest of the door frames serve any purpose. In fact it appears that this flag has no effect other than making the quad invisible.
Stairs
This is applied to the invisible ramp quad that covers the stairs. In general this flag is also applied to the visible stairs geometry but there are some exceptions (errors? see level 19 stairs).
No occlusion
This flag tells the octtree raycaster to ignore the quad when doing ray/quad intersections. This is tipically used for small quads that are unlikely to affect the overall environment visibility.
Projection plane flags
These 2 flags can be 00, 01, 10 and 11. That means the values 0,1,2 and 3 which have the following meanings:
  • 0 - No projection plane specified. One can be computed if needed. Never used in files, may slow down the game if used.
  • 1 - Project quad on XY plane.
  • 2 - Project quad on XZ plane.
  • 3 - Project quad on YZ plane.
The projection plane is used to determine if a point is in a quad (this point is usually the result of an intersection between a ray and the quad plane).
Grid ignore
Appears to be unused. Its likely purpose is to mark quads that don't count as obstacles in the pathfinding grid.
Danger
Appears to be unused. Its likely purpose is to create danger areas in the pathfinding grids. Usually there's a trigger volume nearby that hurts/kills the character. This quads are always invisible.
Invisible
Invisible quads have a couple of different uses:
  • block player access to some parts of the environment
  • stairs ramp
  • collision geometry (used by some "complex" furniture)
  • danger quads (see above)
  • some other apparently useless quads
Furniture
Set for all quads that belong to a furniture object. It doesn't appear to be used. It is also redundant since all the furniture quads have an object id.
No decal
Prevents the creation of decals on the quad. Set for door quads because the decals would disappear when the door opens. That's why shooting a door doesn't leave a mark.
Runtime flags

At runtime the following flag values are also used:

0x00 00 04 00 - set at runtime for quads hidden with *env_show*, never used in files
0x20 00 00 00 - set at runtime for Jell'Oed quads, never used in files


ONI BINARY DATA
AGQC << Other file types >> AGQR
AGQG : Gunk Quad General Array
Level file