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OBD:TRTA: Difference between revisions
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{{OBD_File_Header | type=TRTA | prev=TRSC | next=TSFF | name=Totoro Quaternion Body Translation Array | family=Character | align=center}} | {{OBD_File_Header | type=TRTA | prev=TRSC | next=TSFF | name=Totoro Quaternion Body Translation Array | family=Character | align=center}} | ||
[[image:trta_a.gif]] | |||
{{Table}} | {{Table}} | ||
| Line 11: | Line 11: | ||
{{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 | unused }} | ||
{{OBDtr| | {{OBDtr| 0x1E | int16 |00FFFF| 13 00 | 19 | array size }} | ||
{{OBDtrBK|First bone offset (black outline)}} | {{OBDtrBK|First bone offset (black outline)}} | ||
{{OBDtr| 0x00 | float |FFC8C8| 00 00 00 00 | 0 | x-offset of bone (pelvis) with respect to parent }} | {{OBDtr| 0x00 | float |FFC8C8| 00 00 00 00 | 0 | x-offset of bone (pelvis) with respect to parent }} | ||
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|} | |} | ||
;Skeleton | ;Skeleton | ||
:The hierarchy of the bones (parents, children, siblings) is defined in the [[OBD:TRIA|TRIA]] file (linked to from the same [[OBD:TRCM|TRCM]] file as the TRTA). | :The hierarchy of the bones (parents, children, siblings) is defined in the [[OBD:TRIA|TRIA]] file (linked to from the same [[OBD:TRCM|TRCM]] file as the TRTA). | ||
:If the (0°, 0°, 0°) orientation is set for every bone, then all the bones point along the | :If the (0°, 0°, 0°) orientation is set for every bone, then all the bones point along the X axis of the character (from right to left) and face upwards. | ||
:Viewed from above, you get something like this : "o" is a pivot ( | :Viewed from above, you get something like this : "o" is a pivot (yes, the shoulders are attached to the neck), and ":)" is a smiley :) | ||
14-o-13-o-12-o-11-o 3-o-2-o-1-o ^ z | |||
| | | | ^ | ||
:) | :)10-o-9-o-8-o-7-o-0 < < <^< < < | ||
| | | | x ^ | ||
18-o-17-o-16-o-15-o 6-o-5-o-4-o ^ | |||
;XYZ offsets | ;XYZ offsets | ||
:The | :The XYZ-offsets in the TRTA are offsets (aka "translations") of a ''bone'' relative to its ''parent'' in that system of coordinates (see above). | ||
:Thus they effectively specify the relative positions of the joints. | :Thus they effectively specify the relative positions of the joints. | ||
: | :The different TRTA occurring in Oni are detailed [[OBD_talk:TRTA|HERE]]. | ||
;Pelvis | ;Pelvis | ||
:Pelvis is further translated with respect to the root bone by the [[OBD:TRAM/raw0x0C|height track]] of [[OBD:TRAM|TRAM]] | :Pelvis is further translated with respect to the root bone by the [[OBD:TRAM/raw0x0C|height track]] of [[OBD:TRAM|TRAM]] | ||
:The root bone is translated by TRAM as well as by the physics engine (jumps, blasts). | :The root bone is translated by TRAM as well as by the physics engine (jumps, blasts). | ||
;Relevant offsets | ;Relevant offsets | ||
:You may notice that X and Y offset for thighs and shoulders is very small (it's the left/right i.e. Z that matters there). | :You may notice that X and Y offset for thighs and shoulders is very small (it's the left/right i.e. Z that matters there). | ||
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:A skeleton is primarily defined by the Z offsets of shoulders and thighs (broad/narrow shoulders and hips), and by the X offset (effectively, the length) of all the other bones. | :A skeleton is primarily defined by the Z offsets of shoulders and thighs (broad/narrow shoulders and hips), and by the X offset (effectively, the length) of all the other bones. | ||
{{OBD_File_Footer | type=TRTA | prev=TRSC | next=TSFF | name=Totoro Quaternion Body Translation Array | family=Character}} | {{OBD_File_Footer | type=TRTA | prev=TRSC | next=TSFF | name=Totoro Quaternion Body Translation Array | family=Character}} | ||
{{OBD}} | |||