Save File (OKAMI) File Format

The following article is currently a Work In Progress and will have more details soon.

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

Save File

The save file is exactly 2 846 400 bytes (2.71MB), with a fixed allocation of 30 save slots.

Okami HD save file information is located at Steam/userdata/<user-id>/587620/remote/Steam/OKAMI.

Save Slot

Each save slot is 94880 (0x172A0) bytes.

Save Slot Format

Offset	Type	Size	Description
0x0000	uint32_t	4	00 00 40 40
0x0004	uint32_t	4	Area name string ID
0x0008	uint64_t	8	Slot checksum
0x0010	uint64_t	8	Save time RTC (result of wk::OSGetTimeRTC from flower_kernel.dll)
0x0018	CharacterStats	0x48	Character Stats such as health, food, praise, godhood, position, and some unlocks.
0x60	TrackerData	0x80	Tracking information such as first-time item acquisition, logbook, bestiary, time played, etc.
0xE0	CollectionData	0x11B0	Items collected, inventory, current map, travel guides and various tomes collected, time and day, brush techniques, map states, rejuvenated areas, animals fed, money, demon fangs, enemies slain, etc.
0x1290	MapData[83]	0x49EC	Persistent map flags and values (more map flags in CollectionData). Index is the Map Table vanilla index.
0x5C7C	uint32_t[83][16]	0x14C0	Conversation dialog bits. 512 bits per map. If a bit is set, then the dialog has been completed before. First index is the Map Table vanilla index. Second is the bitfield index.
0x713C	uint32_t	4	unknown
0x7140	TextureData	0x10160	Texture information for drawn in-game art. i.e. the Imp Mask drawn in the Moon Cave.

Bitfields

Bit access by id is done a specific way, using arrays of 32-bit integers and testing bits from highest to lowest.

The following is an example of how to test a bit at a specific index.

bool IsBitSet(uint32_t *data, uint32_t index) {
    return (data[index / 32] & (0x80000000 >> (index % 32))) != 0;
}

The logic can be verified by using the Item Table IDs on the first item acquisition bitfield.

Character Stats

The following article is currently a Work In Progress and will have more details soon.

Save Offset	Relative Offset	Type	Size	Description
0x0018	0x00	uint16_t	2	Current health
0x001A	0x02	uint16_t	2	Max health
0x001C	0x04	uint16_t	2	Current food (Astral Pouch)
0x001E	0x06	uint16_t	2	Max food (Astral Pouch)
0x0020	0x08	uint16_t	2	unknown
0x0022	0x0A	uint16_t	2	Current praise
0x0024	0x0C	uint16_t	2	Total praise
0x0026	0x0E	uint16_t	2	unknown (padding?)
0x0028	0x10	uint32_t[1]	4	Bitmask for dojo techniques unlocked
0x002C	0x14	uint32_t	4	unknown
0x0030	0x18	uint8_t	1	Main weapon equipped. See #Weapon IDs.
0x0031	0x19	uint8_t	1	Sub weapon equipped. See #Weapon IDs.
0x0032	0x1A	uint8_t	1	Current transformation (for Karmic Transformers). 0 = Original Form 7 = Karmic Transformer 1 8 = Karmic Transformer 6 9 = Karmic Transformer 5 10 = Karmic Transformer 4 11 = Karmic Transformer 2 12 = Karmic Transformer 9 13 = Karmic Transformer 7 14 = Karmic Transformer 3 15 = Karmic Transformer 8
0x0033	0x1B	uint8_t	1	unknown (padding?)
0x0034	0x1C	uint16_t	2	Godhood Points
0x0036	0x1E	uint16_t	2	unknown (padding?)
0x0038	0x20	uint64_t	8	Weapons upgraded with gold dust. Use 1 << weapon ID to test.
0x0040	0x28	uint16_t	2	Vengeance Slip (deflect enemy attacks) timer.
0x0042	0x2A	uint16_t	2	Steel Fist Sake (attack boost) timer.
0x0044	0x2C	uint16_t	2	Steel Soul Sake (defense boost) timer.
0x0046	0x2E	uint16_t	2	unknown (padding?)
0x0048	0x30	float[3]	0xC	x, y, z
0x0054	0x3C	float[3]	0xC	u, v, w

Tracker Data

The following article is currently a Work In Progress and will have more details soon.

Collection Data

The following article is currently a Work In Progress and will have more details soon.

Map Data

Relative Offset	Type	Size	Description
0x00	uint32_t[32]	0x80	Map specific data, not shared like the remaining structure. For example, index 0 on Kamiki is a bitfield, index 0 on Shinshu is a counter.
0x80	uint32_t[3]	0xC	Bitfield for revealing buried objects. Shares same ID with collected object bitfield.
0x8C	uint32_t[3]	0xC	Bitfield for collected objects. Includes chests, permanent fruit, blooming clovers.
0x98	uint32_t[1]	0x4	Unknown.
0x9C	uint32_t	0x4	Time of day. Usually synchronized with world time of day.
0xA0	uint32_t[3]	0xC	Bitfield for map areas restored.
0xAC	uint32_t[1]	0x4	Bitfield for trees bloomed.
0xB0	uint32_t[1]	0x4	Bitfield for cursed trees bloomed (the ones that throw cursed fruit at you).
0xB4	uint32_t[4]	0x10	Bitfield for fixed fights cleared. Maybe other uses.
0xC4	uint32_t[2]	0x8	Bitfield for whether NPCs have more to say.
0xCC	uint32_t[2]	0x8	Unknown Bitfield related to NPCs. Same IDs as above.
0xD4	uint32_t[2]	0x8	Bitfield for maps explored (i.e. dungeons).
0xDC	uint32_t[1]	0x4	Unknown Bitfield.
0xE0	uint32_t[1]	0x4	Unknown Bitfield.

Texture Data

Save Offset	Relative Offset	Type	Size	Description
0x7140	0x00	uint8_t[0x8000]	0x8000	Texture 1 Image bits (4 bits per pixel) (256x256)
0xF140	0x8000	uint32_t[16]	0x40	Texture 1 unknown colour information
0xF180	0x8040	uint32_t[16]	0x40	Texture 1 unknown colour information
0xF1C0	0x8080	hx::Texture[2]	0x30	Texture 1 unknown
0xF1F0	0x80B0	uint8_t[0x8000]	0x8000	Texture 2 Image bits (4 bits per pixel) (256x256)
0x171F0	0x100B0	uint32_t[16]	0x40	Texture 2 unknown colour information
0x17230	0x100F0	uint32_t[16]	0x40	Texture 2 unknown colour information
0x17270	0x10130	hx::Texture[2]	0x30	Texture 2 unknown

Appendix

Weapon IDs

Reflectors
  0x00 - Divine Retribution
  0x01 - Snarling Beast
  0x02 - Infinity Judge
  0x03 - Trinity Mirror
  0x04 - Solar Flare
Glaives
  0x10 - Tsumugari
  0x11 - Seven Strike
  0x12 - Blade of Kusanagi
  0x13 - Eighth Wonder
  0x14 - Thunder Edge
Rosaries
  0x20 - Devout Beads
  0x21 - Life Beads
  0x22 - Exorcism Beads
  0x23 - Resurrection Beads
  0x24 - Tundra Beads
0xFF - None