Facing Evade Calculation
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No Parameters - Returns Nothing Compare X and Y coordinates difference to determine which direction is the more relevant If X = Y Facing is Front or Side (back only if Same coordinates (?) If Attacked from side : Class Evade is nullified (0x801938e1) If Attacked from back : Class Evade, Weapon Evade and Shield Evade are nullified (0x801938e1, 0x801938df, 0x801938e0) ------------------------------------------------------------------------------------------------------------------------ 001854fc: 3c058019 lui r5,0x8019 | 00185500: 8ca52d98 lw r5,0x2d98(r5) |r5 = Target data pointer 00185504: 3c048019 lui r4,0x8019 | 00185508: 8c842d94 lw r4,0x2d94(r4) |r4 = Attacker data pointer 0018550c: 90a30047 lbu r3,0x0047(r5) |r3 = Target X coordinate 00185510: 90820047 lbu r2,0x0047(r4) |r2 = Attacker X coordinate 00185514: 00000000 nop | 00185518: 00624023 subu r8,r3,r2 |r8 = Delta X (Target - Attacker) 0018551c: 90820048 lbu r2,0x0048(r4) |r2 = Attacker Y coordinate 00185520: 05010002 bgez r8,0x0018552c #If Delta X < 0x00 00185524: 01002021 addu r4,r8,r0 |r4 = Delta X 00185528: 00042023 subu r4,r0,r4 |r4 = Delta X (positive value) 0018552c: 90a30048 lbu r3,0x0048(r5) |r3 = Target Y Coordinate 00185530: 308400ff andi r4,r4,0x00ff |r4 = Delta X (positive byte) 00185534: 00623823 subu r7,r3,r2 |r7 = Delta Y (Target - Attacker) 00185538: 04e10002 bgez r7,0x00185544 #If Delta Y < 0x00 0018553c: 00e01021 addu r2,r7,r0 |r2 = Delta Y 00185540: 00021023 subu r2,r0,r2 |r2 = Positive value of Delta Y 00185544: 304300ff andi r3,r2,0x00ff |r3 = Delta Y (positive byte) 00185548: 0064102b sltu r2,r3,r4 |r2 = 0x01 if Delta Y < Delta X 0018554c: 1040001d beq r2,r0,0x001855c4 #If Delta X > Delta Y (delta X has more weight to determine facing) 00185550: 34060001 ori r6,r0,0x0001 |r6 = 0x01 (default is side attack) --- Delta X has more weight --- 00185554: 1900000c blez r8,0x00185588 #If raw Delta X > 0x00 (Target is eastward) /Else branch to Westward check) 00185558: 00000000 nop | 0018555c: 94a20048 lhu r2,0x0048(r5) |r2 = Target Y + Facing/Elevation 00185560: 00000000 nop | 00185564: 30430f00 andi r3,r2,0x0f00 |r3 = Target facing 00185568: 34020100 ori r2,r0,0x0100 |r2 = 0x0100 (Facing West) 0018556c: 14620003 bne r3,r2,0x0018557c #If Target is facing West 00185570: 34020300 ori r2,r0,0x0300 |r2 = 0x0300 (Facing East) 00185574: 08061562 j 0x00185588 >>Jump to Westward check (will branch to evade calculation) 00185578: 00003021 addu r6,r0,r0 |r6 = 0x00 (Frontal Attack) 0018557c: 14620002 bne r3,r2,0x00185588 #If Target is facing East 00185580: 00000000 nop | 00185584: 34060002 ori r6,r0,0x0002 |r6 = 0x02 (Attack from Back) 00185588: 05010058 bgez r8,0x001856ec #If raw Delta X < 0x00 (Target is Westward) /Else branch to Evade Calculation 0018558c: 00000000 nop | 00185590: 3c028019 lui r2,0x8019 | 00185594: 8c422d98 lw r2,0x2d98(r2) |r2 = Target data pointer 00185598: 00000000 nop | 0018559c: 94420048 lhu r2,0x0048(r2) |r2 = Target Y + Facing/Elevation 001855a0: 00000000 nop | 001855a4: 30430f00 andi r3,r2,0x0f00 |r3 = Target facing only 001855a8: 34020300 ori r2,r0,0x0300 |r2 = 0x0300 (Facing East) 001855ac: 10620048 beq r3,r2,0x001856d0 #If Target is not facing East /If Facing East branch - r6 will be set to 0x00 and jump to Evade Calculation 001855b0: 34020100 ori r2,r0,0x0100 |r2 = 0x0100 (Facing West) 001855b4: 1462004d bne r3,r2,0x001856ec #If Target is facing West 001855b8: 00000000 nop | 001855bc: 080615bb j 0x001856ec >>Jump to Evade Calculation r6 = 0x02 (Attack from Back) 001855c0: 34060002 ori r6,r0,0x0002 |r6 = 0x02 (Attack from Back) 001855c4: 0083102b sltu r2,r4,r3 |r2 = 0x01 if Delta X < Delta Y 001855c8: 1040001c beq r2,r0,0x0018563c #If Delta Y > Delta X (delta Y has more weight to determine facing) 001855cc: 00000000 nop | --- Delta Y has more weight --- 001855d0: 18e0000b blez r7,0x00185600 #If Raw Delta Y > 0x00 (Target is to the North) 001855d4: 00000000 nop | 001855d8: 94a20048 lhu r2,0x0048(r5) |r2 = Target Y + Facing/Elevation 001855dc: 00000000 nop | 001855e0: 30430f00 andi r3,r2,0x0f00 |r3 = Target facing 001855e4: 14600003 bne r3,r0,0x001855f4 #If Target is facing South 001855e8: 34020200 ori r2,r0,0x0200 |r2 = 0x200 (Facing North ?) 001855ec: 08061580 j 0x00185600 >>Jump to Southward check (will branch to Evade calculation) 001855f0: 00003021 addu r6,r0,r0 |r6 = 0x00 (front) 001855f4: 14620002 bne r3,r2,0x00185600 #If Target is facing North 001855f8: 00000000 nop | 001855fc: 34060002 ori r6,r0,0x0002 |r6 = 0x02 (Attack from Back) 00185600: 04e1003a bgez r7,0x001856ec #If Raw Delta Y < 0x00 (Target is Southward) 00185604: 00000000 nop | 00185608: 3c028019 lui r2,0x8019 | 0018560c: 8c422d98 lw r2,0x2d98(r2) |r2 = Target data pointer 00185610: 00000000 nop | 00185614: 94420048 lhu r2,0x0048(r2) |r2 = Target Y + Facing/Elevation 00185618: 00000000 nop | 0018561c: 30430f00 andi r3,r2,0x0f00 |r3 = Target facing 00185620: 34020200 ori r2,r0,0x0200 |r2 = 0x200 (Facing North) 00185624: 1062002a beq r3,r2,0x001856d0 #If Target is not Facing North /If Facing North branch - r6 will be set to 0x00 and jump to Evade Calculation 00185628: 00000000 nop | 0018562c: 1460002f bne r3,r0,0x001856ec #If Target is Facing South 00185630: 00000000 nop | 00185634: 080615bb j 0x001856ec >>Jump to Evade Calculation r6 = 0x02 (Attack from Back) 00185638: 34060002 ori r6,r0,0x0002 |r6 = 0x02 (Attack from Back) --- Delta X = Delta Y (45° Attack) --- 0018563c: 19000006 blez r8,0x00185658 #If raw delta X >0x00 (Target is Eastward) 00185640: 34030100 ori r3,r0,0x0100 |r3 = 0x100 (Facing West) 00185644: 94a20048 lhu r2,0x0048(r5) |r2 = Target Y + Facing/Elevation 00185648: 00000000 nop | 0018564c: 30420f00 andi r2,r2,0x0f00 |r2 = Target facing only 00185650: 1043001f beq r2,r3,0x001856d0 #If Target is not facing West /Branch if facing West (r6 will be set to 0x00 - front Attack) 00185654: 00000000 nop | 00185658: 05010009 bgez r8,0x00185680 #If raw delta X < 0x00 (Target is Westward) 0018565c: 34030300 ori r3,r0,0x0300 |r3 = 0x300 (facing East) 00185660: 3c028019 lui r2,0x8019 | 00185664: 8c422d98 lw r2,0x2d98(r2) |r2 = Target data pointer 00185668: 00000000 nop | 0018566c: 94420048 lhu r2,0x0048(r2) |r2 = Target Y + Facing/Elevation 00185670: 00000000 nop | 00185674: 30420f00 andi r2,r2,0x0f00 |r2 = Target facing only 00185678: 10430015 beq r2,r3,0x001856d0 #If Target is not facing East /Branch if facing East (r6 will be set to 0x00 - front Attack) 0018567c: 00000000 nop | 00185680: 18e00009 blez r7,0x001856a8 #If Raw delta Y > 0x00 (Target is Northward) 00185684: 00000000 nop | 00185688: 3c028019 lui r2,0x8019 | 0018568c: 8c422d98 lw r2,0x2d98(r2) |r2 = Target data pointer 00185690: 00000000 nop | 00185694: 94420048 lhu r2,0x0048(r2) |r2 = Target Y + Facing/Elevation 00185698: 00000000 nop | 0018569c: 30420f00 andi r2,r2,0x0f00 |r2 = Target facing only 001856a0: 1040000b beq r2,r0,0x001856d0 #If Target is not facing South /Branch if facing South (r6 will be set to 0x00 - front Attack) 001856a4: 00000000 nop | 001856a8: 04e1000b bgez r7,0x001856d8 #E #If Delta Y < 0x00 (Target is Southward) 001856ac: 34030200 ori r3,r0,0x0200 |r3 = 0x200 (Facing North) 001856b0: 3c028019 lui r2,0x8019 | 001856b4: 8c422d98 lw r2,0x2d98(r2) |r2 = Target data pointer 001856b8: 00000000 nop | 001856bc: 94420048 lhu r2,0x0048(r2) |r2 = Target Y + Facing/Elevation 001856c0: 00000000 nop | 001856c4: 30420f00 andi r2,r2,0x0f00 |r2 = Target facing only 001856c8: 14430003 bne r2,r3,0x001856d8 #If Target is facing North 001856cc: 00000000 nop | 001856d0: 080615bb j 0x001856ec #E #E >>Jump to Evade Calculation r6 = 0x00 (Attack from Front) 001856d4: 00003021 addu r6,r0,r0 |r6 = 0x00 001856d8: 15000004 bne r8,r0,0x001856ec #If Delta X = 0x00 /Else Branch to Evade calculation (Side Attack) 001856dc: 00000000 nop | 001856e0: 14e00002 bne r7,r0,0x001856ec #If Delta Y = 0x00 /Else Branch to Evade calculation (Side Attack) 001856e4: 00000000 nop | 001856e8: 34060002 ori r6,r0,0x0002 |r6 = 0x02 (Never true ? Delta X = Delta Y = 0 ? - Attack from same tile different elevation ??) --- Evasion Calculation --- 001856ec: 3c038019 lui r3,0x8019 | 001856f0: 246338e2 addiu r3,r3,0x38e2 |r3 = 0x801938e2 (Current ability Facing mod pointer) 001856f4: a0660000 sb r6,0x0000(r3) |Store r6 as Current ability facing modifier 001856f8: 90620000 lbu r2,0x0000(r3) |r2 = Facing modifier 001856fc: 00000000 nop | 00185700: 10400003 beq r2,r0,0x00185710 #If Facing modifier <> 0x00 (not frontal attack) 00185704: 00000000 nop | 00185708: 3c018019 lui r1,0x8019 | 0018570c: a02038e1 sb r0,0x38e1(r1) |Nullify Current Ability Class Evade ( 0x801938e1 ) 00185710: 90630000 lbu r3,0x0000(r3) |r3 = Facing Mod 00185714: 34020002 ori r2,r0,0x0002 | 00185718: 14620005 bne r3,r2,0x00185730 #If Facing modifier = 0x02 (Back Attack) 0018571c: 00000000 nop | 00185720: 3c018019 lui r1,0x8019 | 00185724: a02038df sb r0,0x38df(r1) |Nullify Current Ability Weapon Evade ( 0x801938df ) 00185728: 3c018019 lui r1,0x8019 | 0018572c: a02038e0 sb r0,0x38e0(r1) |Nullify Current Ability Shield Evade ( 0x801938e0 ) 00185730: 03e00008 jr r31 | 00185734: 00000000 nop |
Return Locations
Battle.bin 00188550: Physical Evade Calculation 001885A0: Physical Evade Calculation(Charge)
