OBD:OBAN

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Main Page >> Oni Binary Data >> File Types >> OBAN File


<== OBAN File ==>
Object AnimationFile


oban_a.gif


Hex Translation Meaning
01 86 00 00 134 00134-Blackvan_FB.OBAN
01 00 00 06 3 level 3
00 00 00 00 0 Space marker. Don't alter it.
C2 F5 E8 3F 1.819999 m11 element of the initial position transform matrix
AB D7 AA B3 -7.955471e-8 m21 element of the initial position transform matrix
EC 89 13 35 5.496247e-7 m31 element of the initial position transform matrix
EC 89 13 35 5.496247e-7 m12 element of the initial position transform matrix
ED 89 13 B4 -1.374061e-7 m22 element of the initial position transform matrix
C2 F5 E8 BF -1.819999 m32 element of the initial position transform matrix
B1 D7 AA 33 7.955475e-8 m13 element of the initial position transform matrix
C2 F5 E8 3F 1.819999 m23 element of the initial position transform matrix
EB 89 13 B4 -1.374061e-7 m33 element of the initial position transform matrix
6B 9A 94 44 1188.825561 m14 element of the initial position transform matrix (x-position)
97 FD 5B C2 -54.997646 m24 element of the initial position transform matrix (y-position, height)
5D 06 DA C2 -109.012428 m34 element of the initial position transform matrix (z-position)
C2 F5 E8 3F 1.819999 m11 element of the fixed transform matrix
00 00 00 00 0.000000 m21 element of the fixed transform matrix
00 00 00 00 0.000000 m31 element of the fixed transform matrix
00 00 00 00 0.000000 m12 element of the fixed transform matrix
C2 F5 E8 3F 1.819999 m22 element of the fixed transform matrix
00 00 00 00 0.000000 m32 element of the fixed transform matrix
00 00 00 00 0.000000 m13 element of the fixed transform matrix
00 00 00 00 0.000000 m23 element of the fixed transform matrix
C2 F5 E8 3F 1.819999 m33 element of the fixed transform matrix
00 00 00 00 0.000000 m14 element of the fixed transform matrix (x translation)
00 00 00 00 0.000000 m24 element of the fixed transform matrix (y translation)
00 00 00 00 0.000000 m34 element of the fixed transform matrix (z translation)
50 00 80 number of frames ???
F5 01 501 animation time in 1/60 seconds (8.35 seconds)
00 00 0 unknown
65 00 101 101 packages follow (one package is edged in black)
Below follows the first package.
F4 04 35 BF -0.7071068 x-value of the rotation quaternion
6A 19 C4 B3 -9.131584e-8 y-value of the rotation quaternion
CE 3C 03 B4 -1.222244e-7 z-value of the rotation quaternion
F3 04 35 BF -0.7071067 w-value of the rotation quaternion
6B 9A 94 44 1188.825561 x-position
97 FD 5B C2 -54.997646 y-position (height)
5D 06 DA C2 -109.012428 z-position
00 00 00 00 0 passed time in 1/60 seconds

Elements m41, m42, m43, m44 of both transform matrices are missing. m41, m42 and m43 are the projection transform coefficients and they are not needed so they are 0.0 and the m44 element is always 1.0 for a transform matrix. (column major transform matrices like in Open GL, for Direct 3D they need to be transposed)

The initial transform matrix can be used to position the object in the environment without playing the animation frames. The animation frames themself include this transform so it is not needed to actually play the animation.

The fixed transform matrix must be applied to every animation frame. For some animations this matrix is the identity matrix so it is not really needed but some animations for composed objects (like the motorcycle animation from level 3 intro) need this transform.


<== OBAN File ==>


Main Page >> Oni Binary Data >> File Types >> OBAN File