Difference between revisions of "JPC file"

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|  016D|| Yellow Pikmin Idle Halo ||  
 
|  016D|| Yellow Pikmin Idle Halo ||  
 
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|-
281 || Green (Bulbmin) Idle Halo ||  
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0281 || Green (Bulbmin) Idle Halo ||  
 
|}
 
|}
  
 
[[Category:File formats]]
 
[[Category:File formats]]
 
[[Category:Pikmin 2]]
 
[[Category:Pikmin 2]]

Revision as of 17:38, 11 June 2021

Editor's note: The information gathered on this page is gathered from eff2d_world_map.jpc. This page is not finished.

JPC files represent an indexed collection of JPA files. These files contain information on particle systems and store BTI images.

File Header

Size of data Description
0x0 (8 char) String, “JPAC2-10”
0x8 (uint16) Number of BEM1 headers, Total number of defined emitters.
0xA (uint16) Number of BTI format textures (TEX1)
0xC (uint32) Total size of data excluding the TEX1 sections.

Before the BEM1 section, every particle emitter starts off with 8 bytes of data:

Data Type/Size Description
0x0 (uint16) Identifier
0x2 (uint16) Unknown - Always set to 5
0x4 (uint8) Unknown - Crash handler mentions something about JPAWorkData
0x5 (uint8) Unknown - Crash handler mentions JPAKeyBlock? Related to alpha? Crashes when changed to something else: https://i.gyazo.com/5507d06343f68515f91c630545947f87.png

BEM1

Data Type/Size Description
0x0 (4 char) String, “BEM1”
0x4 (uint32) Value is always 7C since the data size of this section is static (124 bytes).
0x8 (uint16) Unknown - Doesn’t seem to do anything. Changing doesn’t crash.
0xA (uint8) Can be set from 0-7. Crashes resulted when set to 7. Crash handler mentions JPADyanmicBlocks? Setting numbers higher than 7 will wrap around to represent 0-7.
0xB (uint8) Bit flags? Upper 4 bits not used? Going right to left the 1st bit doesnt seem to do anything noticeable. 2nd seems to turn off particle cap. 3rd seems to determine if the particle system should fire continuously or once. 4th makes the particles parented to the emitter.
0x10 (float) Scale X, these scale values may be used for the shape that particles can spawn within.
0x14 (float) Scale Y
0x18 (float) Scale Z
0x1C (float) Emitter's X offset from origin
0x20 (float) Emitter's Y offset from origin
0x24 (float) Emitter's Z offset from origin

Game.JPC Contents

ID Description Image
0000 Flies from Doodlebug
0001 Fart from Doodlebug
0153 Purple Pikmin Ghost
0154 Blue Pikmin Ghost
0155 Red Pikmin Ghost
0156 White Pikmin Ghost
0157 Yellow Pikmin Ghost
0169 Purple Pikmin Idle Halo
016A Blue Pikmin Idle Halo
016B Red Pikmin Idle Halo
016C White Pikmin Idle Halo
016D Yellow Pikmin Idle Halo
0281 Green (Bulbmin) Idle Halo