OBD:AKBP: Difference between revisions

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{{OBDtr | 0x00 | res_id  |FF0000| 01 50 02 00 | 592      | 00592-.AKBP }}
{{OBDtr | 0x00 | res_id  |FF0000| 01 50 02 00 | 592      | 00592-.AKBP }}
{{OBDtr | 0x04 | lev_id  |FFFF00| 01 00 00 06 | 3        | level 3 }}
{{OBDtr | 0x04 | lev_id  |FFFF00| 01 00 00 06 | 3        | level 3 }}
{{OBDtr | 0x08 | char[22] |00FF00| AD DE      | dead      | unused }}
{{OBDtr | 0x08 | char[22] |00FF00| AD DE      | dead      | padding }}
{{OBDtr | 0x1E | int16   |00FFFF| C4 06      | 1732      | array size }}
{{OBDtr | 0x1E | uint16   |00FFFF| C4 06      | 1732      | array size }}
{{OBDtrBK}}
{{OBDtrBK}}
{{OBDtr | 0x00 | int32hb |FFC8C8| 00 00 00 00 |0, high bit| plane index (in the environment [[PLEA|plane array]], see [[OBD:AKEV|AKEV]]), reverse plane normal if set }}
{{OBDtr | 0x00 | uint32hb |FFC8C8| 00 00 00 00 |0, high bit| plane index (in the environment [[PLEA|plane array]], see [[OBD:AKEV|AKEV]]), reverse plane normal if set }}
{{OBDtr | 0x04 | int32   |FFFFC8| 01 00 00 00 | 1        | back AKBP package number, -1 if none }}
{{OBDtr | 0x04 | uint32   |FFFFC8| 01 00 00 00 | 1        | back AKBP package number, -1 if none }}
{{OBDtr | 0x08 | int32   |C8FFC8| FF FF FF FF | -1        | front AKBP package number, -1 if none }}
{{OBDtr | 0x08 | uint32   |C8FFC8| FF FF FF FF | -1        | front AKBP package number, -1 if none }}
|}
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AKBP contains one [[wikipedia:Binary_space_partitioning|BSP tree]] for each [[AKVA|BNV]] (the index of the root of the tree is stored in BNV). Such a tree is used to detect if a point is inside a BNV.
AKBP contains one [[wikipedia:Binary_space_partitioning|BSP tree]] for each [[AKVA|BNV]] (the index of the root of the tree is stored in BNV). Such a tree is used to detect if a point is inside a BNV.


It should be noted that for convex BNVs the BSP tree degenerates to a list, only concave BNVs (and there aren't many of them) need a "real" tree.




{{OBD_File_Footer | type=AKBP | prev=AKBA | next=AKDA | name=BSP Node Array | family=Level}}
{{OBD_File_Footer | type=AKBP | prev=AKBA | next=AKDA | name=BSP Node Array | family=Level}}
{{OBD}}
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