Difference between revisions of "FF7/Battle/Battle Mechanics"

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my_wiki>NFITC1
(Another memory block. Lots of gaps in this one, though.)
my_wiki>NFITC1
m (→‎Active Character Data)
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{| border="1" cellspacing="1" cellpadding="3" align="center" style="border: 1px solid black; border-collapse: collapse;"
 
{| border="1" cellspacing="1" cellpadding="3" align="center" style="border: 1px solid black; border-collapse: collapse;"
 
! style="background:rgb(204,204,204)" align="center" | Offset
 
! style="background:rgb(204,204,204)" align="center" | Offset
−
! style="background:rgb(204,204,204)" | Value
+
! style="background:rgb(204,204,204)" colspan=2 | Value
 
|-
 
|-
 
| 000h
 
| 000h
−
| Character ID
+
| colspan=2 | Character ID
 
|-
 
|-
 
| 001h
 
| 001h
−
| Cover Chance
+
| colspan=2 | Cover Chance
 
|-
 
|-
 
| 002h
 
| 002h
−
| Strength
+
| colspan=2 | Strength
 
|-
 
|-
 
| 003h
 
| 003h
−
| Vitality
+
| colspan=2 | Vitality
 
|-
 
|-
 
| 004h
 
| 004h
−
| Magic
+
| colspan=2 | Magic
 
|-
 
|-
 
| 005h
 
| 005h
−
| Spirit
+
| colspan=2 | Spirit
 
|-
 
|-
 
| 006h
 
| 006h
−
| Speed
+
| colspan=2 | Speed
 
|-
 
|-
 
| 007h
 
| 007h
−
| Luck
+
| colspan=2 | Luck
 
|-
 
|-
 
| 008h
 
| 008h
−
| Phys Attack
+
| colspan=2 | Phys Attack
 
|-
 
|-
 
| 00Ah
 
| 00Ah
−
| Phys Def
+
| colspan=2 | Phys Def
 
|-
 
|-
 
| 00Ch
 
| 00Ch
−
| Mag Attack
+
| colspan=2 | Mag Attack
 
|-
 
|-
 
| 00Eh
 
| 00Eh
−
| Mag Def
+
| colspan=2 | Mag Def
 
|-
 
|-
 
| 010h
 
| 010h
−
| Current HP
+
| colspan=2 | Current HP
 
|-
 
|-
 
| 012h
 
| 012h
−
| Max HP
+
| colspan=2 | Max HP
 
|-
 
|-
 
| 014h
 
| 014h
−
| Current MP
+
| colspan=2 | Current MP
 
|-
 
|-
 
| 016h
 
| 016h
−
| Max MP
+
| colspan=2 | Max MP
 
|-
 
|-
 
| 018h
 
| 018h
−
| Timer
+
| colspan=2 | Timer
 
|-
 
|-
 
| 01Ah
 
| 01Ah
−
| Counter Attack Action Index
+
| colspan=2 | Counter Attack Action Index
 
|-
 
|-
 
| 01Ch
 
| 01Ch
−
| Counter Attack Chance
+
| colspan=2 | Counter Attack Chance
 
|-
 
|-
 
| 021h
 
| 021h
−
| Some sort of divisor
+
| colspan=2 | Some sort of divisor
 
|-
 
|-
 
| 022h
 
| 022h
−
| Character Flags (Underwater, Long Range, HP<->MP, etc)
+
| colspan=2 | Character Flags (Underwater, Long Range, HP<->MP, etc)
 
|-
 
|-
 
| 023h
 
| 023h
−
| Eight entries of three bytes...
+
| colspan=2 | Eight entries of three bytes...
 
|-
 
|-
 
| 03Ch
 
| 03Ch
−
| Attacking Elements
+
| colspan=2 | Attacking Elements
 
|-
 
|-
 
| 03Eh
 
| 03Eh
−
| Halved Elements
+
| colspan=2 | Halved Elements
 
|-
 
|-
 
| 040h
 
| 040h
−
| Nullified Elements
+
| colspan=2 | Nullified Elements
 
|-
 
|-
 
| 042h
 
| 042h
−
| Absorbed Elements
+
| colspan=2 | Absorbed Elements
 
|-
 
|-
 
| 044h
 
| 044h
−
| Attacking Elements
+
| colspan=2 | Attacking Elements
 
|-
 
|-
 
| 046h
 
| 046h
−
| Self Mask as a DWord
+
| colspan=2 | Self Mask as a DWord
 
|-
 
|-
 
| 04Ah
 
| 04Ah
−
| Immune Statuses
+
| colspan=2 | Immune Statuses
 
|-
 
|-
 
| 04Eh
 
| 04Eh
−
| Enabled Command Menu (16 entries of 6 bytes)
+
| colspan=2 | Enabled Command Menu (16 entries of 6 bytes)
 
|-
 
|-
 
| 0ACh
 
| 0ACh
−
| Limit Actions for current Limit Level
+
| colspan=2 | Limit Actions for current Limit Level
 
|-
 
|-
 
| 0B8h
 
| 0B8h
−
| Enabled Limit Data (three entries in Attack Data format)
+
| colspan=2 | Enabled Limit Data (three entries in Attack Data format)
 
|-
 
|-
 
| 10Ch
 
| 10Ch
−
| Enabled Magics (54 entries of 8 bytes)
+
| colspan=2 | Enabled Magics (54 entries of 8 bytes)
 
|-
 
|-
 +
| rowspan=7 |
 
| 0
 
| 0
 
| Magic Index
 
| Magic Index
Line 227: Line 228:
 
|-
 
|-
 
| 2CCh
 
| 2CCh
−
| Enabled Summons (format like above)
+
| colspan=2 | Enabled Summons (format like above)
 
|-
 
|-
 
| 32Ch
 
| 32Ch
−
| Enabled ESkills (format like above)
+
| colspan=2 | Enabled ESkills (format like above)
 
|-
 
|-
 
| 40Ch
 
| 40Ch
−
| First 11 bytes of Weapon Data
+
| colspan=2 | First 11 bytes of Weapon Data
 
|-
 
|-
 
| 41Ch
 
| 41Ch
−
| Elements added to Attacking Elements above
+
| colspan=2 | Elements added to Attacking Elements above
 
|-
 
|-
 
| 420h
 
| 420h
−
| Four sets of two DWords : (Stat to increase, Increase value)
+
| colspan=2 | Four sets of two DWords : (Stat to increase, Increase value)
 
|-
 
|-
 
| 43Ch
 
| 43Ch
−
| Gil Bonus granted by this character
+
| colspan=2 | Gil Bonus granted by this character
 
|-
 
|-
 
| 43Dh
 
| 43Dh
−
| Encounter rate ""
+
| colspan=2 | Encounter rate ""
 
|-
 
|-
 
| 43Eh
 
| 43Eh
−
| Chocobo Chance ""
+
| colspan=2 | Chocobo Chance ""
 
|-
 
|-
 
| 43Fh
 
| 43Fh
−
| PreEmptive Chance ""
+
| colspan=2 | PreEmptive Chance ""
 
|-
 
|-
 
|}
 
|}

Revision as of 21:16, 20 March 2014

This page will be for Battle memory structures. May be pretty unstructured for a while.

Command Defaults

Each command type has default execution values that can, in some cases, be overridden.

Offset Default
0h Animation
1h Damage Calculation
2h Command Properties

Queued Actions

When a command is selected either by a player character or an enemy the action gets queued in a FIFO structure while there are actions queued or one is being performed. Up to 64 actions can be queued.

Offset Value
0 Command Index
1 Command's Actor
2 Priority (4 - ??; 3 - Auto commands (Added Cut, Poison, Death Sentence, etc); 2 - Normal; 1 - ??; 0 - Counters and Limit Breaks)
3 AI-related function parameter
4 Target Mask
6 Action Index

AI Structure

There is a single block of memory that holds AI information on the current running script. Each Actor "owns" this while their scripts are executing.

Offset Function
0h Actor Index
4h Script Position
8h Remaining Stack Space (initially 200h)
0Ch Current AI OpCode
10h OpCode Lower Nybble
14h OpCode Upper Nybble
18h First Group Type
1Ch Second Group Type
20h OpCode Lower Nybble (related to group 1?)
24h OpCode Lower Nybble (related to group 2?)
28h Mask of non-null values in Group 1
2Ah Mask of non-null values in Group 2
2Ch - 50h Group 1 of variables
54h - 78h Group 2 of variables
7Ch - 27Ch Stack of values

Active Character Data

This is an array that each playable character maintains an instance of. (These addresses are off)

Offset Value
000h Character ID
001h Cover Chance
002h Strength
003h Vitality
004h Magic
005h Spirit
006h Speed
007h Luck
008h Phys Attack
00Ah Phys Def
00Ch Mag Attack
00Eh Mag Def
010h Current HP
012h Max HP
014h Current MP
016h Max MP
018h Timer
01Ah Counter Attack Action Index
01Ch Counter Attack Chance
021h Some sort of divisor
022h Character Flags (Underwater, Long Range, HP<->MP, etc)
023h Eight entries of three bytes...
03Ch Attacking Elements
03Eh Halved Elements
040h Nullified Elements
042h Absorbed Elements
044h Attacking Elements
046h Self Mask as a DWord
04Ah Immune Statuses
04Eh Enabled Command Menu (16 entries of 6 bytes)
0ACh Limit Actions for current Limit Level
0B8h Enabled Limit Data (three entries in Attack Data format)
10Ch Enabled Magics (54 entries of 8 bytes)
0 Magic Index
1h MP Cost
2h All Count
3h Quad Enabled?
4h Quad Count?
5h Target Data
6h Properties
2CCh Enabled Summons (format like above)
32Ch Enabled ESkills (format like above)
40Ch First 11 bytes of Weapon Data
41Ch Elements added to Attacking Elements above
420h Four sets of two DWords : (Stat to increase, Increase value)
43Ch Gil Bonus granted by this character
43Dh Encounter rate ""
43Eh Chocobo Chance ""
43Fh PreEmptive Chance ""

Actor Battle Data

Similar to Active Character Data, but more detailed. This data is dependent on who is performing the current action and only one instance of it exists during each action and all stats are relative to the performing actor and current action unless otherwise noted. Addresses 200h and above will change for each target of the action.

Offset Value
0h Index
4h Level
8h Formation Entry (Enemy A, Enemy B, etc)
0Ch Command Index
10h Action Index
14h Action Animation Base (for relative to absolute animation indexes)
18h Allowed Targets (Active and targetable)
1Ch Active Allies?
20h Command Animation (player characters only)
24h Attack Effect
28h Command Index (again)
2Ch Action Index (again)
30h Self Mask
38h MP Cost
3Ch Action Accuracy
40h Damage Calculation
44h Action's Element
48h Action's Power
4Ch Phys/Mag Attack Power
50h Action's Target(s) Mask
54h Normal Impact Sound
58h Critical Impact Sound
5Ch Miss Sound
60h Single Target Camera
64h Multi Target Camera
68h Action Reaction Animation Index
6Ch Attack Special Effects
78h Non-self target mask?
80h Inflicting Status(es)
84h Curing Status(es)
88h Toggling Status(es)
8Ch Chance to inflict Status
90h Command Properties (details pending)
94h Target Mask
98h Attack Index position in scene data (enemy only)
A0h Action Accuracy function (upper nybble of Damage Calculation)
A4h Action Damage function (lower nybble of Damage Calculation)
ACh Quad Magic Count?
B0h Number of attack damage calculations?
B4h Follow-up action count (Tifa's Limits, Finishing Touch, etc)
B8h Number of Targets?
BCh Attack Additional Effects
C0h Additional Effect Modifier
C4h Attack Power
C8h Actor's current status
D0h - D7h Follow-up Action(s)
D8h Actor's Strength
DCh Used during String display?
E0h Number of successful hits
F0h Character-specific action properties (mp absorb, hp absorb, etc)
F8h Related to enabled magic. Also ACh above.
FCh Multiple hit count
100h - 1FFh large unused gap
200h ???
204h Character Map (players only)
208h Current Target Index
20Ch Formation Slot
210h Target's Phys/Mag Def (whichever attack type is)
214h Damage done to target
218h Properties of attack (miss, magic, physical, steal, always hit, activate barriers, morph, etc)
220h More properties (heal, critical, damage MP, etc)
224h Target's reaction animation
228h Target's status
22Ch Target's status immunities
230h Damage level to current Action (double, normal, half, etc)
234h Target condition flags (back exposed, multiple targets, etc)
238h Status(es) to add to Target
23Ch Status(es) to Cure from Target
240h Status(es) to Toggle from Target
244h All Target's statuses that will be affected from action
248h Sound to play (determined from hit/critical/miss sounds above)
24Ch Action Animation to use (varies from single/multiple targets)
254h Target's Level
258h Target's HP
25Ch Target's MP
260h Action's final Accuracy
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