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

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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
 
|-
 
|-
 
| 0h
 
| 0h
−
| Index
+
| colspan = 2 | Index
 
|-
 
|-
 
| 4h
 
| 4h
−
| Level
+
| colspan = 2 | Level
 
|-
 
|-
 
| 8h
 
| 8h
−
| Formation Entry (Enemy A, Enemy B, etc)
+
| colspan = 2 | Formation Entry (Enemy A, Enemy B, etc)
 
|-
 
|-
 
| 0Ch
 
| 0Ch
−
| Command Index
+
| colspan = 2 | Command Index
 
|-
 
|-
 
| 10h
 
| 10h
−
| Action Index
+
| colspan = 2 | Action Index
 
|-
 
|-
 
| 14h
 
| 14h
−
| Action Animation Base (for relative to absolute animation indexes)
+
| colspan = 2 | Action Animation Base (for relative to absolute animation indexes)
 
|-
 
|-
 
| 18h
 
| 18h
−
| Allowed Targets (Active and targetable)
+
| colspan = 2 | Allowed Targets (Active and targetable)
 
|-
 
|-
 
| 1Ch
 
| 1Ch
−
| Active Allies?
+
| colspan = 2 | Active Allies?
 
|-
 
|-
 
| 20h
 
| 20h
−
| Command Animation (player characters only)
+
| colspan = 2 | Command Animation (player characters only)
 
|-
 
|-
 
| 24h
 
| 24h
−
| [[FF7/Battle/Attack Effect Id List|Attack Effect]]
+
| colspan = 2 | [[FF7/Battle/Attack Effect Id List|Attack Effect]]
 
|-
 
|-
 
| 28h
 
| 28h
−
| Command Index (again)
+
| colspan = 2 | Command Index (again)
 
|-
 
|-
 
| 2Ch
 
| 2Ch
−
| Action Index (again)
+
| colspan = 2 | Action Index (again)
 
|-
 
|-
 
| 30h
 
| 30h
−
| Self Mask
+
| colspan = 2 | Self Mask
 
|-
 
|-
 
| 38h
 
| 38h
−
| MP Cost
+
| colspan = 2 | MP Cost
 
|-
 
|-
 
| 3Ch
 
| 3Ch
−
| Action Accuracy
+
| colspan = 2 | Action Accuracy
 
|-
 
|-
 
| 40h
 
| 40h
−
| [[FF7/Battle/Damage Calculation|Damage Calculation]]
+
| colspan = 2 | [[FF7/Battle/Damage Calculation|Damage Calculation]]
 
|-
 
|-
 
| 44h
 
| 44h
−
| [[FF7/Battle/Elemental Data|Action's Element]]
+
| colspan = 2 | [[FF7/Battle/Elemental Data|Action's Element]]
 
|-
 
|-
 
| 48h
 
| 48h
−
| Action's Power
+
| colspan = 2 | Action's Power
 
|-
 
|-
 
| 4Ch
 
| 4Ch
−
| Phys/Mag Attack Power
+
| colspan = 2 | Phys/Mag Attack Power
 
|-
 
|-
 
| 50h
 
| 50h
−
| Action's Target(s) Mask
+
| colspan = 2 | Action's Target(s) Mask
 
|-
 
|-
 
| 54h
 
| 54h
−
| Normal Impact Sound
+
| colspan = 2 | Normal Impact Sound
 
|-
 
|-
 
| 58h
 
| 58h
−
| Critical Impact Sound
+
| colspan = 2 | Critical Impact Sound
 
|-
 
|-
 
| 5Ch
 
| 5Ch
−
| Miss Sound
+
| colspan = 2 | Miss Sound
 
|-
 
|-
 
| 60h
 
| 60h
−
| Single Target Camera
+
| colspan = 2 | Single Target Camera
 
|-
 
|-
 
| 64h
 
| 64h
−
| Multi Target Camera
+
| colspan = 2 | Multi Target Camera
 
|-
 
|-
 
| 68h
 
| 68h
−
| Action Reaction Animation Index
+
| colspan = 2 | Action Reaction Animation Index
 
|-
 
|-
 
| 6Ch
 
| 6Ch
−
| [[FF7/Battle/Attack_Special_Effects|Attack Special Effects]]
+
| colspan = 2 | [[FF7/Battle/Attack_Special_Effects|Attack Special Effects]]
 
|-
 
|-
 
| 78h
 
| 78h
−
| Non-self target mask?
+
| colspan = 2 | Non-self target mask?
 
|-
 
|-
 
| 80h
 
| 80h
−
| [[FF7/Battle/Status Effects|Inflicting Status(es)]]
+
| colspan = 2 | [[FF7/Battle/Status Effects|Inflicting Status(es)]]
 
|-
 
|-
 
| 84h
 
| 84h
−
| [[FF7/Battle/Status Effects|Curing Status(es)]]
+
| colspan = 2 | [[FF7/Battle/Status Effects|Curing Status(es)]]
 
|-
 
|-
 
| 88h
 
| 88h
−
| [[FF7/Battle/Status Effects|Toggling Status(es)]]
+
| colspan = 2 | [[FF7/Battle/Status Effects|Toggling Status(es)]]
 
|-
 
|-
 
| 8Ch
 
| 8Ch
−
| Chance to inflict Status
+
| colspan = 2 | Chance to inflict Status
 
|-
 
|-
 
| 90h
 
| 90h
−
| Command Properties (details pending)
+
| colspan = 2 | Command Properties (details pending)
 
|-
 
|-
 
| 94h
 
| 94h
−
| Target Mask
+
| colspan = 2 | Target Mask
 
|-
 
|-
 
| 98h
 
| 98h
−
| Attack Index position in scene data (enemy only)
+
| colspan = 2 | Attack Index position in scene data (enemy only)
 
|-
 
|-
 
| A0h
 
| A0h
−
| Action Accuracy function (upper nybble of [[FF7/Battle/Damage Calculation|Damage Calculation]])
+
| colspan = 2 | Action Accuracy function (upper nybble of [[FF7/Battle/Damage Calculation|Damage Calculation]])
 
|-
 
|-
 
| A4h
 
| A4h
−
| Action Damage function (lower nybble of [[FF7/Battle/Damage Calculation|Damage Calculation]])
+
| colspan = 2 | Action Damage function (lower nybble of [[FF7/Battle/Damage Calculation|Damage Calculation]])
 
|-
 
|-
 
| ACh
 
| ACh
−
| Quad Magic Count?
+
| colspan = 2 | Quad Magic Count?
 
|-
 
|-
 
| B0h
 
| B0h
−
| Number of attack damage calculations?
+
| colspan = 2 | Number of attack damage calculations?
 
|-
 
|-
 
| B4h
 
| B4h
−
| Follow-up action count (Tifa's Limits, Finishing Touch, etc)
+
| colspan = 2 | Follow-up action count (Tifa's Limits, Finishing Touch, etc)
 
|-
 
|-
 
| B8h
 
| B8h
−
| Number of Targets?
+
| colspan = 2 | Number of Targets?
 
|-
 
|-
 
| BCh
 
| BCh
−
| [[FF7/Battle/Attack_Special_Effects|Attack Additional Effects]]
+
| colspan = 2 | [[FF7/Battle/Attack_Special_Effects|Attack Additional Effects]]
 
|-
 
|-
 
| C0h
 
| C0h
−
| Additional Effect Modifier
+
| colspan = 2 | Additional Effect Modifier
 
|-
 
|-
 
| C4h
 
| C4h
−
| Attack Power
+
| colspan = 2 | Attack Power
 
|-
 
|-
 
| C8h
 
| C8h
−
| Actor's current status
+
| colspan = 2 | Actor's current status
 
|-
 
|-
 
| D0h - D7h
 
| D0h - D7h
−
| Follow-up Action(s)
+
| colspan = 2 | Follow-up Action(s)
 
|-
 
|-
 
| D8h
 
| D8h
−
| Actor's Strength
+
| colspan = 2 | Actor's Strength
 
|-
 
|-
 
| DCh
 
| DCh
−
| Used during String display?
+
| colspan = 2 | Used during String display?
 
|-
 
|-
 
| E0h
 
| E0h
−
| Number of successful hits
+
| colspan = 2 | Number of successful hits
 
|-
 
|-
 
| F0h
 
| F0h
−
| Character-specific action properties (mp absorb, hp absorb, etc)
+
| colspan = 2 | Character-specific action properties (mp absorb, hp absorb, etc)
 
|-
 
|-
 
| F8h
 
| F8h
−
| Related to enabled magic. Also ACh above.
+
| colspan = 2 | Related to enabled magic. Also ACh above.
 
|-
 
|-
 
| FCh
 
| FCh
−
| Multiple hit count
+
| colspan = 2 | Multiple hit count
 
|-
 
|-
 
| 100h - 1FFh
 
| 100h - 1FFh
−
| large unused gap
+
| colspan = 2 | large unused gap
 
|-
 
|-
 
| 200h
 
| 200h
−
| ???
+
| colspan = 2 | ???
 
|-
 
|-
 
| 204h
 
| 204h
−
| Character Map (players only)
+
| colspan = 2 | Character Map (players only)
 
|-
 
|-
 
| 208h
 
| 208h
−
| Current Target Index
+
| colspan = 2 | Current Target Index
 
|-
 
|-
 
| 20Ch
 
| 20Ch
−
| Formation Slot
+
| colspan = 2 | Formation Slot
 
|-
 
|-
 
| 210h
 
| 210h
−
| Target's Phys/Mag Def (whichever attack type is)
+
| colspan = 2 | Target's Phys/Mag Def (whichever attack type is)
 
|-
 
|-
 
| 214h
 
| 214h
−
| Damage done to target
+
| colspan = 2 | Damage done to target
 
|-
 
|-
 
| 218h
 
| 218h
−
| Properties of attack (miss, magic, physical, steal, always hit, activate barriers, morph, etc)
+
| colspan = 2 | Properties of attack
 +
|-
 +
| style="background:rgb(204,204,255)" rowspan = 8 |
 +
| 1
 +
| missed
 +
|-
 +
| 2
 +
| Physical if set; Magical if unset
 +
|-
 +
| 4
 +
| Attempt Steal
 +
|-
 +
| 20
 +
| Won't Miss
 +
|-
 +
| 4000
 +
| Physical Barrier
 +
|-
 +
| 8000
 +
| Magical Barrier
 +
|-
 +
| 40000
 +
| ???
 +
|-
 +
| 800000
 +
| ???
 
|-
 
|-
 
| 220h
 
| 220h
−
| More properties (heal, critical, damage MP, etc)
+
| colspan = 2 | More properties (heal, critical, damage MP, etc)
 
|-
 
|-
 
| 224h
 
| 224h
−
| Target's reaction animation
+
| colspan = 2 | Target's reaction animation
 
|-
 
|-
 
| 228h
 
| 228h
−
| Target's status
+
| colspan = 2 | Target's status
 
|-
 
|-
 
| 22Ch
 
| 22Ch
−
| Target's status immunities
+
| colspan = 2 | Target's status immunities
 
|-
 
|-
 
| 230h
 
| 230h
−
| Damage level to current Action (double, normal, half, etc)
+
| colspan = 2 | Damage level to current Action
 +
|-
 +
| style="background:rgb(204,204,255)" rowspan = 8 |
 +
| 1
 +
| Death (if not immune)
 +
|-
 +
| 2
 +
| Always hit?
 +
|-
 +
| 4
 +
| Double (Damage & Accuracy)
 +
|-
 +
| 8
 +
| Normal (Never checked)
 +
|-
 +
| 10
 +
| Half (Damage & Accuracy)
 +
|-
 +
| 20
 +
| Null (won't miss?)
 +
|-
 +
| 40
 +
| Absorb (won't miss?)
 +
|-
 +
| 80
 +
| Full-Heal
 
|-
 
|-
 
| 234h
 
| 234h
−
| Target condition flags (back exposed, multiple targets, etc)
+
| colspan = 2 | Target condition flags (back exposed, multiple targets, etc)
 
|-
 
|-
 
| 238h
 
| 238h
−
| Status(es) to add to Target
+
| colspan = 2 | Status(es) to add to Target
 
|-
 
|-
 
| 23Ch
 
| 23Ch
−
| Status(es) to Cure from Target
+
| colspan = 2 | Status(es) to Cure from Target
 
|-
 
|-
 
| 240h
 
| 240h
−
| Status(es) to Toggle from Target
+
| colspan = 2 | Status(es) to Toggle from Target
 
|-
 
|-
 
| 244h
 
| 244h
−
| All Target's statuses that will be affected from action
+
| colspan = 2 | All Target's statuses that will be affected from action
 
|-
 
|-
 
| 248h
 
| 248h
−
| Sound to play (determined from hit/critical/miss sounds above)
+
| colspan = 2 | Sound to play (determined from hit/critical/miss sounds above)
 
|-
 
|-
 
| 24Ch
 
| 24Ch
−
| Action Animation to use (varies from single/multiple targets)
+
| colspan = 2 | Action Animation to use (varies from single/multiple targets)
 
|-
 
|-
 
| 254h
 
| 254h
−
| Target's Level
+
| colspan = 2 | Target's Level
 
|-
 
|-
 
| 258h
 
| 258h
−
| Target's HP
+
| colspan = 2 | Target's HP
 
|-
 
|-
 
| 25Ch
 
| 25Ch
−
| Target's MP
+
| colspan = 2 | Target's MP
 
|-
 
|-
 
| 260h
 
| 260h
−
| Action's final Accuracy
+
| colspan = 2 | Action's final Accuracy
 
|-}
 
|-}

Revision as of 00:34, 21 March 2014

This page will be for Battle memory structures. This is consistent with the memory structure of the PC version. PSX may or may not reflect these structures.

Command Defaults

Each command type has default execution values that can, in some cases, be overridden. These come from a hard-coded structure in the executable.

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
1 missed
2 Physical if set; Magical if unset
4 Attempt Steal
20 Won't Miss
4000 Physical Barrier
8000 Magical Barrier
40000 ???
800000 ???
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
1 Death (if not immune)
2 Always hit?
4 Double (Damage & Accuracy)
8 Normal (Never checked)
10 Half (Damage & Accuracy)
20 Null (won't miss?)
40 Absorb (won't miss?)
80 Full-Heal
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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