Shop Contents (.ISL) File Format

Note: This page pertains to Reverse Engineering of Okami File Formats.

This file defines what is found in this map's shop stock.

Note that this is only for regular shops. Demon fang shops are entirely hardcoded and not found in any data files.

File Format

Header

Offset	Type	Size	Description
0x00	char[4]	4	Magic "ISL\0".
0x04	int32_t	4	Number of shop variations (chosen variation depends on specific event flags being set, hardcoded).
0x08	int32_t[2]	8	Unknown.
0x10	ShopInfo[numVariations]	variable	Description of each shop variation.

Shop Info

Offset (relative)	Type	Size	Description
0x00	int32_t	4	Number of shop items in stock.
0x04	ItemStock[numItems]	12 * numItems	Description of each item in stock.
4 + 12 * numItems	int32_t[256]	4 * 256	Sell price for each item type, indexed by Item Table. -1 if not sellable.

Item Stock

Offset (relative)	Type	Size	Description
0x00	int32_t	4	Item type.
0x04	int32_t	4	Purchase price.
0x08	int32_t	4	Unknown/unused.

Shop Variations

Shop variations are hardcoded and chosen under the following rules. The events to trigger a variation are found in World State Data.

Second shop variation is used on the following maps when Sasa Sanctuary (10) event 36 is set, in most cases adding a Mermaid Coin to stock:

1. Moon Cave Interior
2. City Checkpoint
3. Kusa Village
4. Sasa Sanctuary
5. Kamiki Village - After fighting Tei
6. Shinshu Field (Healed)
7. Agata Forest (Healed)
8. Taka Pass (Healed)

For Seian City (Commoner's Quarters), there are 2 shops. The first (fish shop) has no variations. The second (weapons shop) has 2 variations:

1. Oni Island (Ninetails Arena) (40) event 1
2. Wawku Shrine (Lechku and Nechku Arena) (64) event 2