FF7/Battle/Battle scenes

Introduction

FF7 keeps each enemy battle configuration is a file called "scene.bin" This file is located in the following directories.

PSX Version	PC Version
/DATA/BATTLE/SCENE.BIN	/BATTLE/SCENE.BIN

This file is exactly the same in both versions. This holds all the battle configurations for all enemies encountered in the game.

Scene.Bin file format by Fremen and others

Overview

The scene.bin file contains 256 gziped files which give us information for all the FF7 monsters. In order to find these files in scene.bin, you have to know that the file is structured with blocks exactly 0x2000 bytes in length. In the first table (scene.bin block), you will see what contains a block. Blocks are concatenated with each other to form the scene.bin file. So if you want to extract data from scene.bin, you'll need to find the correct blocks and to extract the gziped files from it. After that you simply ungzip those files and you'll find 256 files, with a length is 7808 bytes. Known information about those files can be found in the second table (The Data File specification). Because extracting file manually would be a pain, several tools was developed in order to help you. You can use SceneExplorer for example, it's a win32 tool to extract and repack scene.bin archive.

We have 1024 possible battle numbers: 0 - 1023. Each group of *4* Battle Numbers refers to a particular Scene file: for instance, Battles 0-3 refer to File 0 in Scene.bin, Battles 4-7 refer to File 1 in Scene.bin, and so forth.

General file format

Offset	Length	Description
0x0000	4 bytes	Pointer to first data file. You must multiply it by 4 to get actual data file offset. If the pointer is equal to FFFFFFFFh then it means that the end of block has been reached.
0x0004	4 bytes	Pointer to second data file. You must multiply it by 4 to get actual data file offset. If the pointer is equal to FFFFFFFFh then it means that the end of block has been reached.
...
0x003C	4 bytes	Last pointer, usually it equal FFFFFFFFh.
0x0040	4 * (pointer2 - pointer1) bytes	First data file in block. It's a gziped file. Note: Sometimes it may finish by 0xFF bytes, because its size must be multiple of 4.
pointer2 * 4	4 * (pointer3 - pointer2) bytes	Second data file in block. It's a gziped file. Note: Sometimes it may finish by 0xFF bytes, because its size must be multiple of 4.
...
lastpointer * 4	4 * (2000h - lastpointer) bytes	Last data file in block. Note: There are about 6 to 12 files in each block. Each block finishes by 0xFF bytes, because its length must be 2000h (8192d) bytes.

Data file format

Offset	Length	Description
0x0000	2 bytes	Enemy ID 1
0x0002	2 bytes	Enemy ID 2
0x0004	2 bytes	Enemy ID 3
0x0006	2 bytes	Padding (always FFFFh)
0x0008	4 * 20 bytes	Battle Setup 1 (4 records)
0x0058	4 * 48 bytes	Battle Setup 2 (4 records)
0x0118	6 * 16 bytes	Battle Formation 1 (6 records)
0x0178	6 * 16 bytes	Battle Formation 2 (6 records)
0x01E8	6 * 16 bytes	Battle Formation 3 (6 records)
0x0238	6 * 16 bytes	Battle Formation 4 (6 records)
0x0298	184 bytes	Enemy Data 1 (format explaination)
0x0350	184 bytes	Enemy Data 2
0x0408	184 bytes	Enemy Data 3
0x04C0	32 * 28 bytes	Attack Data (32 records)
0x0840	32 * 2 bytes	Attack IDs (32 records)
0x0880	32 * 32 bytes	Attack Names (32 records, in FF Text format
0x0C80	512 bytes	FFh Padding
0x0E80	2 bytes	Enemy 1 AI Offset
0x0E82	2 bytes	Enemy 2 AI Offset
0x0E84	2 bytes	Enemy 3 AI Offset
0x0E86	varies	Beginning of AI Data (format explaination)

Enemy data format

Offset	Length	Description
0x0000	32 bytes	Enemy's name (completed by FFh bytes)
0x0020	1 byte	Enemy's level
0x0021	1 byte	Enemy's speed
0x0022	1 byte	Enemy's luck
0x0023	1 byte	Enemy's evade
0x0024	1 byte	Enemy's strength
0x0025	1 byte	Enemy's defense
0x0026	1 byte	Enemy's magic
0x0027	1 byte	Enemy's magic defense
0x0028	8 bytes	Element types (8 records): 00h - Fire 01h - Ice 02h - Bolt 03h - Earth 04h - Bio 05h - Gravity 06h - Water 07h - Wind 08h - Scare 09h - Health 0Ah - Cut 0Bh - Hit 0Ch - Punch 0Dh - Shoot 0Eh - Scream FFh - No element
0x0030	8 bytes	Element rates for elements above, respectively (8 records): 00h - Death 02h - Double Damage 04h - Half Damage 05h - Nullify Damage 06h - Absorb 100% 07h - Full Cure FFh - Nothing
0x0038	16 bytes	Unknown data
0x0048	16 bytes	Enemy Attack ID's (2 bytes each)
0x0058	48 bytes	Unknown data
0x0088	4 bytes	Item drop/steal rates. These are chances to get items listed in next section. 1 byte per item. If the rate is lower than 80h, for e.g. 08h - then this is a drop item and has 8/63 [63 is max] chance for drop. But if rate is higher than 80h, let's say... A0h, then this is an item for steal, and chances for successful steal is A0h - 80h = 20h = 32/63.
0x008C	8 bytes	This is a list of Item ID's which are described above. 2 bytes per item. FFFFh means no item.
0x0091	12 bytes	Unknown data
0x009D	2 bytes	Enemy's MP
0x009F	2 bytes	AP points you receive when you win the battle
0x00A1	2 bytes	Enemy can be morphed into this item. FFFFh if it can't be morphed into anything.
0x00A3	2 bytes	Unknown, usually 10h or FFh
0x00A5	4 bytes	Enemy's HP
0x00A9	4 bytes	Exp points you receive when you win the battle
0x00AD	4 bytes	Gil you receive when you win the battle
0x00B1	8 bytes	Unknown