Encounter (.ECT) File Format

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

Explanation

This file defines each encounter on a single map.

Start (Byte)	Width (Bytes)	Type	Field Name	Note
0	4	uint32	Number of Entries	Count of encounter definitions
4		ECTEntry array	groups	Encounter definition
		padding	00	Pad zeroes for 4 byte alignment

Describes a single encounter.

Start (Byte)	Width (Bytes)	Type	Field Name	Note
0	6	PackedTuple<uint16>	coordinates	Location of encounter (x, y, z).
6	1	uint8	unknown1	Unknown.
7	1	uint8	escape_radius	How far from the center of the arena to escape the encounter.
8	2	ECTEntryFlags (uint16)	flags	Bitfield of flags.
10	2	uint16	pad	Always 00.
12	2	uint16	index	Increasing, no dupes in file, some missing?
14	2	uint16	unknown3	Unknown.
16	4	uint32	pad2	Always 00.
20	96	EnemyEntry[4]	enemy	One for each enemy type in the encounter.
116	1	uint8	unknown4	Unknown.
117	1	uint8	unknown5	Unknown.
118	1	uint8	unknown6	Unknown.
119	1	uint8	unknownugh	May affect triggering event? If you set the demon gate behind shinshu tree to 0, the bloom patch doesn't appear when you beat the gate. Probably area restoration ID.
120	1	uint8	unknown7	Unknown.
121	1	uint8	unknown8	Unknown.
122	1	uint8	unknown9	Unknown.
123	1	uint8	unknowna	Unknown.
124	1	uint8	separate_waves	00 mix enemy types, 01 separate different enemy types to different waves.
125	7	uint8 array	padding	All 00.

Bit	Field Name	Note
0	always_set	Seems to always be 1.
1	unknownb1o1	Unknown.
2	unknownb1o2	Unknown.
3	unknownb1o3	Unknown.
4	day_only	Encounter only available during the day.
5	night_only	Encounter only available at night.
6	inescapable	Encounter cannot be escaped.
7	inescapable2	Encounter cannot be escaped. Only used for devil gates, most no-indicator fights, and 2 scrolls.
8	unrepeatable	Encounter cannot be repeated.
9	unknownb2o1	Unknown.
a	demon_scroll	Encounter is represented by a demon scroll.
b	devil_gate	Encounter is represented by a devil gate.
c	unknownb2o4	Unknown.
d	unknownb2o5	Unknown.
e	unknownb2o6	Unknown.
f	unknownb2o7	Unknown.

Start (Byte)	Width (Bytes)	Type	Field Name	Note
0	1	uint8	enemy_id	See Enemy ID Table.
1	1	uint8	cat_id	Category ID: 02 is enemies
2	6	uint8[6]	unknowns	Unknown.
8	1	uint8	total	Total count of this enemy in this encounter.
9	1	uint8	max_concurrent	Maximum number of this enemy present at once.
10	1	uint8	unknown1	Unknown. Always 00. Maybe padding?
11	1	uint8	unknown2	Unknown.
12	12	uint8 array	padding	All 00.