Usable Ability Setting/ENTD AI Calculations

Usable Ability Setting/ENTD AI Calculations
 Usable Ability Setting/ENTD AI Calculations

00199ec8: 27bdffc0 addiu r29,r29,-0x0040    |
00199ecc: afb5002c sw r21,0x002c(r29)       |
00199ed0: 0080a821 addu r21,r4,r0           |r21 = Unit's ID
00199ed4: afb30024 sw r19,0x0024(r29)       |
00199ed8: 3c13801a lui r19,0x801a           |
00199edc: 2673f3c4 addiu r19,r19,0xf3c4     |r19 = Pointer to AI Data 8019f3c4
00199ee0: 001510c0 sll r2,r21,0x03          |ID * 8
00199ee4: 00551023 subu r2,r2,r21           |ID * 7
00199ee8: 00021180 sll r2,r2,0x06           |ID * 0x1c0 - Unit offset
00199eec: 3c038019 lui r3,0x8019            |
00199ef0: 246308cc addiu r3,r3,0x08cc       |
00199ef4: afb60030 sw r22,0x0030(r29)       |
00199ef8: 0043b021 addu r22,r2,r3           |r22 = Pointer to Unit's Data
00199efc: afbf003c sw r31,0x003c(r29)       |
00199f00: afbe0038 sw r30,0x0038(r29)       |
00199f04: afb70034 sw r23,0x0034(r29)       |
00199f08: afb40028 sw r20,0x0028(r29)       |
00199f0c: afb20020 sw r18,0x0020(r29)       |
00199f10: afb1001c sw r17,0x001c(r29)       |
00199f14: afb00018 sw r16,0x0018(r29)       |
00199f18: 92c30001 lbu r3,0x0001(r22)       |Load Unit's ID
00199f1c: 340200ff ori r2,r0,0x00ff         |r2 = FF
00199f20: 106200dd beq r3,r2,0x0019a298     #If Unit doesn't exist : Branch to END
00199f24: 02b31021 addu r2,r21,r19          |AI pointer + Unit offset (1 byte)
00199f28: 9042198c lbu r2,0x198c(r2)        |Load Unit's Battle ID?
00199f2c: 00000000 nop                      |
00199f30: 2c420010 sltiu r2,r2,0x0010       |Check if ID is valid (< 16)
00199f34: 104000d8 beq r2,r0,0x0019a298     #If Unit ID is invalid (>15) : Branch to END
00199f38: 00000000 nop                      |
00199f3c: 0c0668bc jal 0x0019a2f0           |-->Set AI Flags/Usable Abilities -->Set Unit List of usable moves (0x8019f3c4 - 0x0ef0)
00199f40: 0000a021 addu r20,r0,r0           |Number of Abilities = 0
00199f44: 0000f021 addu r30,r0,r0           |MP Using Abilities = 0
00199f48: 0000b821 addu r23,r0,r0           |Silence Blocked Abilities = 0
00199f4c: 00009021 addu r18,r0,r0           |Counter = 0
00199f50: 00151100 sll r2,r21,0x04          |Unit's ID * 16 (unit offset)
00199f54: 2442182c addiu r2,r2,0x182c       |+ AI decision data offset
00199f58: 00538821 addu r17,r2,r19          |Unit's AI decision data pointer
00199f5c: 340200ff ori r2,r0,0x00ff         |r2 = 0x0ff
00199f60: afa00010 sw r0,0x0010(r29)        |Store Evadeable Abilities = 0  On stack
00199f64: a2200009 sb r0,0x0009(r17)        |Store Highest MP Cost = 0  AI decision data
00199f68: a222000a sb r2,0x000a(r17)        |Store Lowest MP Cost = FF AI decision data
00199f6c: 02751021 addu r2,r19,r21          |
                                            @LOOP through all abilities from unit list of usable moves (AI)
00199f70: 9043198c lbu r3,0x198c(r2)            |Load Unit's Battle ID
00199f74: 00000000 nop                          |
00199f78: 00031100 sll r2,r3,0x04               |ID * 16
00199f7c: 00431021 addu r2,r2,r3                |ID * 17
00199f80: 000210c0 sll r2,r2,0x03               |ID * 0x88 (Unit offset)
00199f84: 24420ef0 addiu r2,r2,0x0ef0           |+ List of usable moves offset
00199f88: 02621021 addu r2,r19,r2               |Pointer to unit list of usable moves
00199f8c: 00121880 sll r3,r18,0x02              |Counter * 4
00199f90: 00438021 addu r16,r2,r3               |Pointer to this iteration Ability in unit list of usable moves
00199f94: 92030002 lbu r3,0x0002(r16)           |Load Ability's Skillset
00199f98: 340200ff ori r2,r0,0x00ff             |r2 = FF
00199f9c: 1062006b beq r3,r2,0x0019a14c         #If not at the end of the list Skillset 0xff is a end marker
00199fa0: 02802021 addu r4,r20,r0               |r4 = Number of Abilities
00199fa4: 0c06561e jal 0x00195878                   |-->AI Ability Data Setting  Transfer data from r4 to AI used Ability data ( 8019f3c4 )
00199fa8: 02002021 addu r4,r16,r0                   |Ability pointer
00199fac: 96020002 lhu r2,0x0002(r16)               |Load Ability's Skillset/Usage Type? From Move List 0x8019f3c4 + 0x0ef0
00199fb0: 00000000 nop                              |
00199fb4: 30420800 andi r2,r2,0x0800                |Check [Requires Monster Skill]
00199fb8: 14400022 bne r2,r0,0x0019a044             #If Monster skill is not needed
00199fbc: 26940001 addiu r20,r20,0x0001             |Total Abilities + 1
00199fc0: 8e63000c lw r3,0x000c(r19)                    |Load AI Behavior Flags  8019f3c4 + 0x0c
00199fc4: 00000000 nop                                  |
00199fc8: 30620100 andi r2,r3,0x0100                    |Check [Ignore Silence] It is a reversed flag - 0 for ignoring silence, 1 for not ignoring
00199fcc: 10400002 beq r2,r0,0x00199fd8                 #If Ability is affected by silence
00199fd0: 30620200 andi r2,r3,0x0200                    |Check [Evadable]
00199fd4: 26f70001 addiu r23,r23,0x0001                     |Silencable Abilities + 1
00199fd8: 10400005 beq r2,r0,0x00199ff0                 #If Ability is Evadable
00199fdc: 00000000 nop                                      |
00199fe0: 8fa80010 lw r8,0x0010(r29)                        |Load Evadable abilities counter
00199fe4: 00000000 nop                                      |
00199fe8: 25080001 addiu r8,r8,0x0001                       |Counter + 1
00199fec: afa80010 sw r8,0x0010(r29)                        |Store new Evadeable Abilities counter
00199ff0: 92630011 lbu r3,0x0011(r19)                   |Load Ability's MP Cost  8019f3c4 + 0x11
00199ff4: 00000000 nop                                  |
00199ff8: 10600012 beq r3,r0,0x0019a044                 #If Ability has a MP cost
00199ffc: 00000000 nop                                      |
0019a000: 92220009 lbu r2,0x0009(r17)                       |Load Highest MP Cost In AI decision data - 8019f3c4 + 0x182c + 0x09
0019a004: 00000000 nop                                      |
0019a008: 0043102b sltu r2,r2,r3                            |Check MP cost vs Highest MP cost
0019a00c: 10400004 beq r2,r0,0x0019a020                     #If This iteration Ability has the highest MP cost
0019a010: 27de0001 addiu r30,r30,0x0001                     |MP Using Abilities + 1
0019a014: 92620011 lbu r2,0x0011(r19)                           |Load Ability's MP Cost
0019a018: 00000000 nop                                          |
0019a01c: a2220009 sb r2,0x0009(r17)                            |Store new Highest MP Cost In AI decision data - 8019f3c4 + 0x182c + 0x09
0019a020: 92620011 lbu r2,0x0011(r19)                       |Load Ability's MP Cost
0019a024: 9223000a lbu r3,0x000a(r17)                       |Load Lowest MP Cost
0019a028: 00000000 nop                                      |
0019a02c: 0043102b sltu r2,r2,r3                            |Check if tAbility has the lowest MP cost
0019a030: 10400004 beq r2,r0,0x0019a044                     #If This iteration Ability has the lowest MP cost
0019a034: 00000000 nop                                          |
0019a038: 92620011 lbu r2,0x0011(r19)                           |Load Ability's MP Cost
0019a03c: 00000000 nop                                          |
0019a040: a222000a sb r2,0x000a(r17)                            |Store new Lowest MP Cost In AI decision data - 8019f3c4 + 0x182c + 0x0a
0019a044: 92020003 lbu r2,0x0003(r16)               |Load Usage Type From Move List 0x8019f3c4 + 0x0ef0
0019a048: 00000000 nop                              |
0019a04c: 304200f8 andi r2,r2,0x00f8                |Disable 0x01 (Evade with motion) 0x02 (unknown) and 0x04 (Use weapon range)
0019a050: a2020003 sb r2,0x0003(r16)                |store new Usage type?
0019a054: 8e62000c lw r2,0x000c(r19)                |Load Ability's AI Flags  8019f3c4 + 0x0c
0019a058: 3c0300c0 lui r3,0x00c0                    |
0019a05c: 00431024 and r2,r2,r3                     |Check [Longbow] and [Stop at Obstacle]
0019a060: 14400035 bne r2,r0,0x0019a138             #If Ability is not Arcing nor a direct attack /Else branc to  next loop iteration
0019a064: 00000000 nop                                  |
0019a068: 9262000e lbu r2,0x000e(r19)                   |Load Ability's AI Flags 3
0019a06c: 00000000 nop                                  |
0019a070: 3042003c andi r2,r2,0x003c                    |Check [Linear Attack] , [Non Spear], [3 direction melee], [3 Direction ranged]  Non spear is a reverted flag (0x1 if unchecked)
0019a074: 10400004 beq r2,r0,0x0019a088                 #If Ability is a Linear Attack, a spear attack or a 3 directional Attack
0019a078: 00000000 nop                                      |
0019a07c: 96020002 lhu r2,0x0002(r16)                       |Load Ability's Skillset/Usage Type? From Move List 0x8019f3c4 + 0x0ef0
0019a080: 0806684d j 0x0019a134                             >>Jump to next iteration (will store new usage byte)
0019a084: 34420400 ori r2,r2,0x0400                         |Enable 0x04 (Use Weapon range - Evadable flag ?)
                                                        #Ability is not a Linear attack, a spear attack nor a 3 directionnal attack
0019a088: 86640002 lh r4,0x0002(r19)                        |Load Ability ID From 0x80193fc4
0019a08c: 00000000 nop                                      |
0019a090: 28820170 slti r2,r4,0x0170                        |Check if Ability has a second data table
0019a094: 10400020 beq r2,r0,0x0019a118                     #If Ability has a second data table
0019a098: 00000000 nop                                          |
0019a09c: 92620004 lbu r2,0x0004(r19)                           |Load Ability's Range From 0x80193fc4
0019a0a0: 92630005 lbu r3,0x0005(r19)                           |Load Ability's AoE From 0x80193fc4
0019a0a4: 00000000 nop                                          |
0019a0a8: 00431021 addu r2,r2,r3                                |Max Range = Range + AoE
0019a0ac: 28420003 slti r2,r2,0x0003                            |Check if max range is < 0x3
0019a0b0: 1040000d beq r2,r0,0x0019a0e8                         #If Max range < 3
0019a0b4: 000410c0 sll r2,r4,0x03                                   |Ability ID * 8
0019a0b8: 00441023 subu r2,r2,r4                                    |ID * 7
0019a0bc: 00021040 sll r2,r2,0x01                                   |ID * 14 (Ability offset)
0019a0c0: 3c018006 lui r1,0x8006                                    |
0019a0c4: 00220821 addu r1,r1,r2                                    |Part of pointer to Ability data 2
0019a0c8: 9022fbf6 lbu r2,-0x040a(r1)                               |Load Ability's Flags 4 SCUS - 0x8005fbf0 + 0x06 + Ability offset
0019a0cc: 00000000 nop                                              |
0019a0d0: 30420002 andi r2,r2,0x0002                                |Check [Evadable]
0019a0d4: 10400004 beq r2,r0,0x0019a0e8                             #If Ability is evadable
0019a0d8: 00000000 nop                                                  |
0019a0dc: 96020002 lhu r2,0x0002(r16)                                   |Load Ability's Skillset/Usage Type?
0019a0e0: 0806684d j 0x0019a134                                         >>Jump to next iteration (will store new usage byte)
0019a0e4: 34420400 ori r2,r2,0x0400                                     |Enable 0x04 (Use Weapon range - Evadable flag ?)
                                                                #Else : Range > 2 or Ability not Evadable
0019a0e8: 86620002 lh r2,0x0002(r19)                                |Load Ability ID
0019a0ec: 00000000 nop                                              |
0019a0f0: 000218c0 sll r3,r2,0x03                                   |ID * 8
0019a0f4: 00621823 subu r3,r3,r2                                    |ID * 7
0019a0f8: 00031840 sll r3,r3,0x01                                   |ID * 14 (Ability offset)
0019a0fc: 3c018006 lui r1,0x8006                                    |
0019a100: 00230821 addu r1,r1,r3                                    |Par of pointer to Ability data 2 SCUS - 0x8005fbf0 + 0x04 + Ability offset
0019a104: 9022fbf4 lbu r2,-0x040c(r1)                               |Load Ability's Flags 2
0019a108: 00000000 nop                                              |
0019a10c: 30420041 andi r2,r2,0x0041                                |Check [Hit Ally] and [Hit Caster]  Two reverted flags (0 if can hit)
0019a110: 14400005 bne r2,r0,0x0019a128                             #If Ability can hit Caster team
0019a114: 00000000 nop                                                  |
0019a118: 92620005 lbu r2,0x0005(r19)                       #E          |Load AoE From 0x80193fc4
0019a11c: 00000000 nop                                                  |
0019a120: 14400005 bne r2,r0,0x0019a138                                 #If AoE = 0 (Can Hit Allies but no AoE = no risk of collateral damage ?)
0019a124: 00000000 nop                                                      |
0019a128: 96020002 lhu r2,0x0002(r16)                               #E      |Load Skillset/Usage Type?
0019a12c: 00000000 nop                                                      |
0019a130: 34420200 ori r2,r2,0x0200                                         |Enable 0x02
0019a134: a6020002 sh r2,0x0002(r16)                    #E      #E          |Store new Skillset/Usage Type?
0019a138: 26520001 addiu r18,r18,0x0001             |LOOP counter + 1
0019a13c: 2a420022 slti r2,r18,0x0022               |Check counter vs limit
0019a140: 1440ff8b bne r2,r0,0x00199f70     Λ LOOP Branch if Counter < 34
0019a144: 02751021 addu r2,r19,r21              |r2 = AI Data Pointer + unit offset (load Battle ID at 0x198c when the loop starts)
0019a148: 02802021 addu r4,r20,r0           |Divisor = Number of Abilities
0019a14c: 0c0668b3 jal 0x0019a2cc           |-->Dividend * 4 / Divisor Returns r2 = r5*4/r4
0019a150: 02e02821 addu r5,r23,r0           |Dividend = Nb Of Ability affected by silence
0019a154: 02802021 addu r4,r20,r0           |Divisor = Number of Abilities
0019a158: 03c02821 addu r5,r30,r0           |Dividend = Nb Of Ability with a MP cost
0019a15c: 0c0668b3 jal 0x0019a2cc           |-->Dividend * 4 / Divisor
0019a160: a222000c sb r2,0x000c(r17)        |Store Silence effectivness Mod
0019a164: 8fa50010 lw r5,0x0010(r29)        |Dividend - load Evadable Abilities
0019a168: 02802021 addu r4,r20,r0           |Divisor = Number of Abilities
0019a16c: 0c0668b3 jal 0x0019a2cc           |-->Dividend * 4 / Divisor
0019a170: a222000b sb r2,0x000b(r17)        |Store MP Using Mod
0019a174: 26240004 addiu r4,r17,0x0004      |AI decision + 0x04 (ENTD - settings)
0019a178: 26c50167 addiu r5,r22,0x0167      |r5 = Pointer to Unit's ENTD AI setting 0x801908cc + 0x167
0019a17c: 34060005 ori r6,r0,0x0005         |Limit = 5
0019a180: 0c066ad2 jal 0x0019ab48           |-->Transfer Byte Values Transfer Bytes from 0x167 to 16b to AI decision 0x04 to 0x8
0019a184: a222000d sb r2,0x000d(r17)        |Store Evade Mod
0019a188: 92c20165 lbu r2,0x0165(r22)       |Load AI X Location
0019a18c: 92230004 lbu r3,0x0004(r17)       |Load AI Setting - Behavior
0019a190: a2220000 sb r2,0x0000(r17)        |Store X Location to stay near
0019a194: 92c20166 lbu r2,0x0166(r22)       |Load AI Y Location
0019a198: 00000000 nop                      |
0019a19c: a2220002 sb r2,0x0002(r17)        |Store Y Location to stay near
0019a1a0: 92c20167 lbu r2,0x0167(r22)       |Load Unit 0x167 (elevation + behavior)
0019a1a4: a2200003 sb r0,0x0003(r17)        |Nullify/Initialize AI decision 0x03
0019a1a8: 000211c2 srl r2,r2,0x07           |0x80 (if Higher Elevation)
0019a1ac: a2220001 sb r2,0x0001(r17)        |Store Higher Elevation Flag
0019a1b0: 30620008 andi r2,r3,0x0008        |Check [Defensive] Defensive in Patcher - Coward-like in Wiki
0019a1b4: 10400038 beq r2,r0,0x0019a298     #If Unit Setting is Defensive /Else branch to  END
0019a1b8: 00000000 nop                          |
0019a1bc: 92220007 lbu r2,0x0007(r17)           |Load AI Targeting flag (Copied from Unit battle 0x16a)
0019a1c0: 00000000 nop                          |
0019a1c4: 30420004 andi r2,r2,0x0004            |Check [Save-CT Protect Self]
0019a1c8: 10400007 beq r2,r0,0x0019a1e8         #If Unit setting is Conserve CT
0019a1cc: 34020011 ori r2,r0,0x0011                 |r2 = 0x11
0019a1d0: 02751821 addu r3,r19,r21                  |r2 = AI Data Pointer + unit offset 
0019a1d4: 080668a6 j 0x0019a298                     >>Jump to END
0019a1d8: a06219a1 sb r2,0x19a1(r3)                 |Store  0x11 at 0x8019f34c4 + 0x19a1 + Unit offset (1 byte per unit)

Backward branch section - Focus On Enemy - Aggressive
0019a1dc: 3402000c ori r2,r0,0x000c                     |r2 = 0x0c
0019a1e0: 080668a6 j 0x0019a298                         >>Jump to END
0019a1e4: a06219a1 sb r2,0x19a1(r3)                     |Store 0x0c at 0x8019f34c4 + 0x19a1 + Unit offset (1 byte per unit)

                                                #Else - Unit will not preserve CT
0019a1e8: 30620040 andi r2,r3,0x0040            |check [Focus Unit]
0019a1ec: 1040002a beq r2,r0,0x0019a298         #If Unit Setting is Focus Unit /Else branch to  END
0019a1f0: 00009021 addu r18,r0,r0                   |Counter = 0
0019a1f4: 340600ff ori r6,r0,0x00ff                 |r6 = 0xff
0019a1f8: 02752821 addu r5,r19,r21                  |r5 = AI Pointer + Unit's ID
0019a1fc: 3407000e ori r7,r0,0x000e                 |r7 = 0x0e
0019a200: 00002021 addu r4,r0,r0                    |Unit Offset (+0x01c0 each iteration)
0019a204: 3c018019 lui r1,0x8019                    @LOOP through all units Looking for Unit AI target
0019a208: 00240821 addu r1,r1,r4                        |Part of pointer to unit battle stats
0019a20c: 902208cd lbu r2,0x08cd(r1)                    |Load Unit's ID  0x801908cc + 0x01 + unit offset
0019a210: 00000000 nop                                  |
0019a214: 10460018 beq r2,r6,0x0019a278                 #If Unit exists (<> 0xff)
0019a218: 00000000 nop                                      |
0019a21c: 3c018019 lui r1,0x8019                            |
0019a220: 00240821 addu r1,r1,r4                            |Part of pointer to unit battle stats
0019a224: 90230a2d lbu r3,0x0a2d(r1)                        |Load this iteration Unit's ENTD ID
0019a228: 92220005 lbu r2,0x0005(r17)                       |Load Acting Unit Main Target ID
0019a22c: 00000000 nop                                      |
0019a230: 14620011 bne r3,r2,0x0019a278                     #If This iteration unit is the Targeted Unit
0019a234: 00000000 nop                                          |
0019a238: 92220004 lbu r2,0x0004(r17)                           |Load AI Behavior Copied from Unit 0x167
0019a23c: 00000000 nop                                          |
0019a240: 30420010 andi r2,r2,0x0010                            |Check [Aggressive]
0019a244: 10400014 beq r2,r0,0x0019a298                         #If Unit AI setting is Aggressive /Else Branch to  END
0019a248: a2320005 sb r18,0x0005(r17)                           |Store Unit as Main target It should be already the case no ? 
0019a24c: a2d201b9 sb r18,0x01b9(r22)                               |Store Main Target ID in acting unit data (0x1b9)
0019a250: 3c018019 lui r1,0x8019                                    |
0019a254: 00240821 addu r1,r1,r4                                    |Part of pointer to unit battle stats
0019a258: 90230a86 lbu r3,0x0a86(r1)                                |LoadThis iteration Unit's Modified ENTD Flags
0019a25c: 92c201ba lbu r2,0x01ba(r22)                               |Load Unit's Modified ENTD Flags
0019a260: 30630030 andi r3,r3,0x0030                                |Check this iteration unit Team
0019a264: 30420030 andi r2,r2,0x0030                                |Check Acting unit Team
0019a268: 1462ffdc bne r3,r2,0x0019a1dc                             #Acting Unit and Main Target are in the same Team
0019a26c: 02751821 addu r3,r19,r21                                  |r3 = AI Pointer + Unit ID
0019a270: 080668a6 j 0x0019a298                                         >>Jump to  END
0019a274: a0a719a1 sb r7,0x19a1(r5)                                     |Store 0x0e at 0x8019f34c4 + 0x19a1 + Unit offset (1 byte per unit)
0019a278: 26520001 addiu r18,r18,0x0001                 |Unit ID + 1
0019a27c: 2a420015 slti r2,r18,0x0015                   |Check Unit ID vs Loop limit
0019a280: 1440ffe0 bne r2,r0,0x0019a204             #Branch if Counter < 21
0019a284: 248401c0 addiu r4,r4,0x01c0                   |Unit Data Offset (+0x01c0 each iteration)
                                                    The code ends here if : Unit has [Focus Unit] setting but no valid target
0019a288: 92220004 lbu r2,0x0004(r17)                   |Load AI Behavior
0019a28c: 00000000 nop                                  |
0019a290: 304200f7 andi r2,r2,0x00f7                    |Disable [0x08] if No Target  No peculiar behavior
0019a294: a2220004 sb r2,0x0004(r17)                    |Store updated data
0019a298: 8fbf003c lw r31,0x003c(r29)       END
0019a29c: 8fbe0038 lw r30,0x0038(r29)
0019a2a0: 8fb70034 lw r23,0x0034(r29)
0019a2a4: 8fb60030 lw r22,0x0030(r29)
0019a2a8: 8fb5002c lw r21,0x002c(r29)
0019a2ac: 8fb40028 lw r20,0x0028(r29)
0019a2b0: 8fb30024 lw r19,0x0024(r29)
0019a2b4: 8fb20020 lw r18,0x0020(r29)
0019a2b8: 8fb1001c lw r17,0x001c(r29)
0019a2bc: 8fb00018 lw r16,0x0018(r29)
0019a2c0: 27bd0040 addiu r29,r29,0x0040
0019a2c4: 03e00008 jr r31
0019a2c8: 00000000 nop

Return locations

Battle.bin
00068f3c: Special_Status_Flag_Enabling - Remove Frog
00069040: Special_Status_Flag_Enabling - Inflict Frog
000751a8: Decide_what_to_do_based_on_skillset/ability_selections?
00075514: Set_move/act_based_on_skillset - Equip change
0008355c: Poach/Morbol_Transformation
00083bf8: Set_targets_animation_based_on_attack_type - Broken item 
00083c20: Set_targets_animation_based_on_attack_type - Stolen item