DCA file

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DCA files, likely standing for Demo Cutscene Animations, are the keyframed animation format of Pikmin. They can only be found within the BUN file format.

File structure

DCA header
Offset Size Purpose
0x00 4 Amount of joints the file will animate.
0x04 4 Amount of frames in the animation.
Scaling
Offset Size Purpose
0x08 4 Amount of scaling values
0x0C 0x08 value Scaling value
Rotation
Offset Size Purpose
0x0? 4 Amount of rotation values
0x0? 0x0? value Rotation value
Translation
Offset Size Purpose
0x0? 4 Amount of translation values
0x0? 0x0? value Translation value
DCA joint
Offset Size Purpose
0x00 4 Index of the joint
0x04 4 Parent of the joint
0x08 24 Internally named sx_param and sy_param, a table of 2 ints read 3 times
0x20 24 Internally named rx_param and ry_param, a table of 2 ints read 3 times
0x56 24 Internally named tx_param and ty_param, a table of 2 ints read 3 times
Credits: Ambrosia, Minty_Meeo