Trainer Tower data structures (Generation III): Difference between revisions

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There are a number of data structures in the international releases of [[Pokémon FireRed]] and [[Pokémon LeafGreen]] that govern the [[Trainer Tower]].
There are a number of data structures in the international releases of {{game|FireRed and LeafGreen|s}} that govern [[Trainer Tower]].


All memory addresses refer to the addresses used in the US version of the games.
All memory addresses refer to the addresses used in the US version of the games.


==Overview==
==Overview==
In the Japanese release of [[Pokémon FireRed]] and [[Pokemon LeafGreen]], players could scan in [[e-Reader]] cards from the [[Pokémon Battle e FireRed & LeafGreen|Battle-e FireRed and LeafGreen]] series to customize the layout of Trainer Tower.  In the international releases, the data from all 32 of the regular cards are folded into the game ROM; none of the Japanese promotional cards are present.  The four battle modes (Single, Double, Knockout, and Mixed) each have a hard-coded order of eight trainers, exactly as if their corresponding cards have been scanned.
In the Japanese release of {{game|FireRed and LeafGreen|s}}, players could scan in [[e-Reader]] cards from the [[Pokémon Battle e FireRed & LeafGreen|Battle-e FireRed and LeafGreen]] series to customize the layout of Trainer Tower.  In the international releases, the data from all 32 of the regular cards are folded into the game ROM; none of the Japanese promotional cards are present.  The four battle modes (Single, Double, Knockout, and Mixed) each have a hard-coded order of eight Trainers, exactly as if their corresponding cards have been scanned.


Note that not all 32 cards are used in international releases; notably, all 8 of the Knockout battle cards are used in the Knockout mode, some of which are reused in Mixed mode. A few singles and doubles cards are also reused in Trainer Tower.
Note that not all 32 cards are used in international releases; notably, all 8 of the Knockout battle cards are used in the Knockout mode, some of which are reused in Mixed mode. A few singles and doubles cards are also reused in Trainer Tower.


The card data is stored in memory location 0x0847ABAC (FireRed) and 0x0847A488 (LeafGreen).
The card data is stored in memory location 0x0847ABAC (FireRed) and 0x0847A488 (LeafGreen).


== Cards ==
==Cards==
Each Trainer Card is stored as a 992-byte structure, laid out as follows:
Each Trainer Card is stored as a 992-byte structure, laid out as follows:


Line 20: Line 20:
| 0x01 || 1 || colspan="2" | Currently unknown
| 0x01 || 1 || colspan="2" | Currently unknown
|-
|-
| 0x02 || 1 || uint8_t || Battle Type - 0 for single battles, 1 for double battles, and 2 for knockout battles
| 0x02 || 1 || uint8_t || Battle Type - 0 for Single Battles, 1 for Double Battles, and 2 for knockout battles
|-
|-
| 0x03 || 1 || uint8_t || Reward Item - This is the reward item that is obtained when players defeat Trainer Hill, provided that this card represents the first trainer.  The values are indices in a special 15-entry array.
| 0x03 || 1 || uint8_t || Reward Item - This is the reward item that is obtained when players defeat Trainer Hill, provided that this card represents the first Trainer.  The values are indices in a special 15-entry array.
|-
|-
| 0x04 || 984 || Trainer Data[3] || The data for up to three trainers and their Pokémon.
| 0x04 || 984 || Trainer Data[3] || The data for up to three Trainers and their Pokémon.
|-
|-
| 0x3DC || 4 || colspan="2" | Currently unknown
| 0x3DC || 4 || colspan="2" | Currently unknown
Line 32: Line 32:
{| class="wikitable"
{| class="wikitable"
! Offset !! Size !! Type !! Name
! Offset !! Size !! Type !! Name
|-
| 0x00 || 11 || char[11] || Trainer Name
| 0x00 || 11 || char[11] || Trainer Name
|-
|-
Line 40: Line 41:
| 0x3E || 2 || colspan="2" | Padding bytes resulting from alignment
| 0x3E || 2 || colspan="2" | Padding bytes resulting from alignment
|-
|-
| 0x40 || 264 || Trainer's Pokemon[6] || Trainer's Pokémon Lineup
| 0x40 || 264 || Trainer's Pokémon[6] || Trainer's Pokémon Lineup
|}
|}


Line 47: Line 48:
! Offset !! Size !! Type !! Name
! Offset !! Size !! Type !! Name
|-
|-
| 0x00 || 2 || uint16_t || Species - see [[List of Pokémon by index number (Generation III)]] for values.
| 0x00 || 2 || uint16_t || Species - see [[List of Pokémon by index number in Generation III]] for values.
|-
|-
| 0x02 || 2 || uint16_t || Held Item - see [[List of items by index number (Generation III)]] for values.
| 0x02 || 2 || uint16_t || Held Item - see [[List of items by index number in Generation III]] for values.
|-
|-
| 0x04 || 8 || uint16_t[4] || Moves - see [[List of moves]] for values.
| 0x04 || 8 || uint16_t[4] || Moves - see [[List of moves]] for values.
Line 59: Line 60:
| 0x2B || 1 || colspan="2" | Currently unknown
| 0x2B || 1 || colspan="2" | Currently unknown
|}
|}
If a Trainer is unused (the second and third Trainers in a Single Battle card, or the third Trainer in a Double battle card), the entire structure, with the exception of the easy chat quotes, is zeroed out; the easy chat quote area is filled with 0xFF instead.


== Floor Plan ==
== Floor Plan ==
The floor plan is simply a list of eight pointers to the various cards that will be used in each mode. There are four such lists, one for each mode.  Their locations are as follows:
The floor plan is simply a list of eight pointers to the various cards that will be used in each mode. There are four such lists, one for each mode.  Their locations are as follows:


{| class="wikitable"
{| class="wikitable"
Line 94: Line 97:
|}
|}


==Related articles==
{{data structure}}
{{Project Games notice|data structure}}
[[Category:Structures]]
[[Category:Structures]]

Latest revision as of 01:23, 1 February 2025

There are a number of data structures in the international releases of Pokémon FireRed and LeafGreen that govern Trainer Tower.

All memory addresses refer to the addresses used in the US version of the games.

Overview

In the Japanese release of Pokémon FireRed and LeafGreen, players could scan in e-Reader cards from the Battle-e FireRed and LeafGreen series to customize the layout of Trainer Tower. In the international releases, the data from all 32 of the regular cards are folded into the game ROM; none of the Japanese promotional cards are present. The four battle modes (Single, Double, Knockout, and Mixed) each have a hard-coded order of eight Trainers, exactly as if their corresponding cards have been scanned.

Note that not all 32 cards are used in international releases; notably, all 8 of the Knockout battle cards are used in the Knockout mode, some of which are reused in Mixed mode. A few singles and doubles cards are also reused in Trainer Tower.

The card data is stored in memory location 0x0847ABAC (FireRed) and 0x0847A488 (LeafGreen).

Cards

Each Trainer Card is stored as a 992-byte structure, laid out as follows:

Offset Size Type Name
0x00 1 uint8_t Card Number
0x01 1 Currently unknown
0x02 1 uint8_t Battle Type - 0 for Single Battles, 1 for Double Battles, and 2 for knockout battles
0x03 1 uint8_t Reward Item - This is the reward item that is obtained when players defeat Trainer Hill, provided that this card represents the first Trainer. The values are indices in a special 15-entry array.
0x04 984 Trainer Data[3] The data for up to three Trainers and their Pokémon.
0x3DC 4 Currently unknown

Trainer Data is a 328-byte structure, laid out as follows:

Offset Size Type Name
0x00 11 char[11] Trainer Name
0x0B 3 Currently unknown
0x0E 48 Easy Chat Quote[3] Challenge, win, and lose quotes (in that order) - each of these are built in accordance to the easy chat system.
0x3E 2 Padding bytes resulting from alignment
0x40 264 Trainer's Pokémon[6] Trainer's Pokémon Lineup

Trainer's Pokémon is a 44-byte structure, laid out as follows:

Offset Size Type Name
0x00 2 uint16_t Species - see List of Pokémon by index number in Generation III for values.
0x02 2 uint16_t Held Item - see List of items by index number in Generation III for values.
0x04 8 uint16_t[4] Moves - see List of moves for values.
0x0C 20 Currently unknown
0x20 11 char[11] Nickname - Note that none of the Pokémon on any of these cards are actually nicknamed; the species name is placed here instead.
0x2B 1 Currently unknown

If a Trainer is unused (the second and third Trainers in a Single Battle card, or the third Trainer in a Double battle card), the entire structure, with the exception of the easy chat quotes, is zeroed out; the easy chat quote area is filled with 0xFF instead.

Floor Plan

The floor plan is simply a list of eight pointers to the various cards that will be used in each mode. There are four such lists, one for each mode. Their locations are as follows:

Mode FireRed LeafGreen
Single 0x084827B4 0x08482090
Double 0x084827D4 0x084820B0
Knockout 0x084827F4 0x084820D0
Mixed 0x08482814 0x084820F0

Reward Items

The reward items used on each card corresponds to indices in an array of 15 items (as indices to the master item list). This array is stored in location 0x0847A2B4 (FireRed) and 0x08479B90 (LeafGreen). For convenience, it is reproduced here.

0 1 2 3
0 HP Up Protein Iron Carbos
4 Calcium Zinc BrightPowder White Herb
8 Mental Herb Choice Band King's Rock Scope Lens
C Metal Coat Dragon Scale Up-Grade

Related articles

Data structure in the Pokémon games
General Character encoding
Generation I Pokémon species • Pokémon • Poké Mart • Character encoding (Stadium) • Save
Generation II Pokémon species • Pokémon • Trainer • Character encoding (Stadium • Korean) • Save
Generation III Pokémon species (Evolution • Pokédex • Type chart)
Pokémon (substructures) • Move • Contest • Contest move • Item
Trainer Tower • Battle Frontier • Character encoding (GameCube) • Save
Generation IV Pokémon species (Evolution • Learnsets)
Pokémon • Save • Character encoding (Wii)
Generation V–present Character encoding
Generation VIII Save
TCG GB and GB2 Character encoding
This data structure article is part of Project Games, a Bulbapedia project that aims to write comprehensive articles on the Pokémon games.
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