Item data structure (Generation III): Difference between revisions
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* 0 for most items. | * 0 for most items. | ||
* 1 for many key items: Mach Bike, Itemfinder, Old Rod, Good Rod, Super Rod, Acro Bike, Pokéblock Case, Bicycle, Town Map, VS Seeker, Fame Checker, TM Case, Berry Pouch, Teachy TV, Tri-Pass, Rainbow Pass, Tea, Mysticticket, Auroraticket, Powder Jar, Ruby, Sapphire, Magma Emblem and Old Sea Map. | * 1 for many key items: Mach Bike, Itemfinder, Old Rod, Good Rod, Super Rod, Acro Bike, Pokéblock Case, Bicycle, Town Map, VS Seeker, Fame Checker, TM Case, Berry Pouch, Teachy TV, Tri-Pass, Rainbow Pass, Tea, Mysticticket, Auroraticket, Powder Jar, Ruby, Sapphire, Magma Emblem and Old Sea Map. | ||
[[Category:Structures]] | [[Category:Structures]] | ||
Revision as of 20:01, 30 June 2007
Item data is stored in a 44-byte structure in the US version of the GBA games.
| Offset | Field | Size |
|---|---|---|
| 0 | Name | 14 bytes |
| 14 | Index number | 2 bytes |
| 16 | Price | 2 bytes |
| 18 | Special value 1 | 1 byte |
| 19 | Special value 2 | 1 byte |
| 20 | Description pointer | 4 bytes |
| 24 | Mystery value | 2 bytes |
| 26 | 1 byte | |
| 27 | Type | 1 byte |
| 28 | Pointer to field usage code | 4 bytes |
| 32 | Parameter for field usage code | 4 bytes |
| 36 | Pointer to battle usage code | 4 bytes |
| 40 | Parameter for battle usage code | 4 bytes |
This determines which pocket of the bag the item should be stored in.
| Number | Item type |
|---|---|
| 1 | Main pocket |
| 2 | Poké Ball |
| 3 | Berries |
| 4 | TMs and HMs |
| 5 | Key items |
Type
For items other than Poké Balls, the type determines how the item can be used. With Poké Balls, the type indicates the Poké Ball type, and is one less than the index number.
| Type | Description |
|---|---|
| 0 | |
| 1 | Items which can be used out-of-battle. |
| 2 | Items which must be used in a certain location; key items of this type can be assigned to select. |
| 3 | Only the Pokéblock case is of this type. |
| 4 | Items which cannot be used out-of-battle. |
Mystery values
Mystery value 1 is:
- 0 for normal items.
- 1 for HMs and most key items.
- 2 for some plot-related key items: Devon Goods, Letter, Red Orb, Blue Orb and Oak's Parcel.
Mystery value 2 is:
- 0 for most items.
- 1 for many key items: Mach Bike, Itemfinder, Old Rod, Good Rod, Super Rod, Acro Bike, Pokéblock Case, Bicycle, Town Map, VS Seeker, Fame Checker, TM Case, Berry Pouch, Teachy TV, Tri-Pass, Rainbow Pass, Tea, Mysticticket, Auroraticket, Powder Jar, Ruby, Sapphire, Magma Emblem and Old Sea Map.
