04 Magic Gun

[04] Magic Guns
00188c24: 27bdffe8 addiu r29,r29,0xffe8
00188c28: afbf0010 sw r31,0x0010(r29)
00188c2c: 0c061dcc jal 0x 00187730		Magic Gun Ability Decision
00188c30: 00000000 nop
00188c34: 3c028019 lui r2,0x8019
00188c38: 90423902 lbu r2,0x3902(r2)		Load WP
00188c3c: 3c038019 lui r3,0x8019
00188c40: 906338fa lbu r3,0x38fa(r3)		Load Ability Power
00188c44: 3c018019 lui r1,0x8019
00188c48: a42238ce sh r2,0x38ce(r1)		XA = WP
00188c4c: 3c018019 lui r1,0x8019
00188c50: a42338d0 sh r3,0x38d0(r1)		YA = Ability Power
00188c54: 0c0617e0 jal 0x 00185f80		Charge Calculation
00188c58: 00000000 nop
00188c5c: 0c0617e9 jal 0x 00185fa4		Element Strengthen Calculation
00188c60: 00000000 nop
00188c64: 0c0621d1 jal 0x 00188744		Magic XA Modifications
00188c68: 00000000 nop
00188c6c: 0c0621df jal 0x 0018877c		Magic Damage Calculation
00188c70: 00000000 nop
00188c74: 14400005 bne r2,r0,0x 00188c8c		Branch if element was nullified?
00188c78: 00000000 nop
00188c7c: 0c061c54 jal 0x 00187150		Faith Calculation
00188c80: 00000000 nop
00188c84: 0c061c3f jal 0x 001870fc		Elemental Absorption
00188c88: 00000000 nop
00188c8c: 8fbf0010 lw r31,0x0010(r29)
00188c90: 27bd 0018 addiu r29,r29,0x 0018
00188c94: 03e00008 jr r31
00188c98: 00000000 nop

Magic Gun Ability Decision

00187730: 27bdffe8 addiu r29,r29,0xffe8
00187734: afb00010 sw r16,0x0010(r29)
00187738: 3c108019 lui r16,0x8019
0018773c: 92103904 lbu r16,0x3904(r16)		Load Weapon's Element
00187740: afbf0014 sw r31,0x0014(r29)
00187744: 0c063ba8 jal 0x 0018eea0		Random Process
00187748: 00000000 nop
0018774c: 00021840 sll r3,r2,0x01		Random * 2
00187750: 00621821 addu r3,r3,r2		Random * 3
00187754: 000318c0 sll r3,r3,0x03		Random * 24
00187758: 00621821 addu r3,r3,r2		Random * 25
0018775c: 00031880 sll r3,r3,0x02		Random * 100 (or mult r2, r3 with r3 = 64)
00187760: 04610002 bgez r3,0x 0018776c		Branch if Random is Positive
00187764: 32020080 andi r2,r16,0x0080
00187768: 24637fff addiu r3,r3,0x7fff		Random + 7fff
0018776c: 1040000b beq r2,r0,0x 0018779c		Branch if Weapon doesn't have Fire
00187770: 00031bc2 srl r3,r3,0x0f		Random / 8000 (rand 0..99)
00187774: 306400ff andi r4,r3,0x00ff
00187778: 2c82000a sltiu r2,r4,0x000a
0018777c: 10400003 beq r2,r0,0x 0018778c		Branch if Random > a (90% chance to branch)
00187780: 2c820028 sltiu r2,r4,0x0028
00187784: 08061dfb j 0x 001877ec
00187788: 34030012 ori r3,r0,0x0012		r3 = 12 (Firaga, 10% chance)
0018778c: 10400017 beq r2,r0,0x 001877ec		Branch if Random > 28 (60% chance to branch)
00187790: 34030010 ori r3,r0,0x0010		r3 = 10 (Fire, 60% chance)
00187794: 08061dfb j 0x 001877ec
00187798: 34030011 ori r3,r0,0x0011		r3 = 11 (Fira, 30% chance)
0018779c: 32020040 andi r2,r16,0x0040
001877a0: 1040000a beq r2,r0,0x 001877cc		Branch if Weapon doesn't have Lightning
001877a4: 306400ff andi r4,r3,0x00ff
001877a8: 2c82000a sltiu r2,r4,0x000a
001877ac: 10400003 beq r2,r0,0x 001877bc		Branch if Ranfom > a
001877b0: 2c820028 sltiu r2,r4,0x0028
001877b4: 08061dfb j 0x 001877ec
001877b8: 34030016 ori r3,r0,0x0016		r3 = 16 (Thundaga)
001877bc: 1040000b beq r2,r0,0x 001877ec		Branch if Random > 28
001877c0: 34030014 ori r3,r0,0x0014		r3 = 14 (Thunder)
001877c4: 08061dfb j 0x 001877ec
001877c8: 34030015 ori r3,r0,0x0015		r3 = 15 (Thundara)
001877cc: 2c82000a sltiu r2,r4,0x000a
001877d0: 10400003 beq r2,r0,0x 001877e0		Branch if Random > a
001877d4: 2c820028 sltiu r2,r4,0x0028
001877d8: 08061dfb j 0x 001877ec
001877dc: 3403001a ori r3,r0,0x001a		r3 = 1a (Blizzaga)
001877e0: 10400002 beq r2,r0,0x 001877ec		Branch if Random > 28
001877e4: 3403 0018 ori r3,r0,0x 0018		r3 = 18 (Blizzard)
001877e8: 34030019 ori r3,r0,0x0019		r3 = 19 (Blizzara)
001877ec: 3c058019 lui r5,0x8019
001877f0: 24a538d6 addiu r5,r5,0x38d6
001877f4: 000320c0 sll r4,r3,0x03		Ability ID * 8
001877f8: 00832023 subu r4,r4,r3		Ability ID * 7
001877fc: 00042040 sll r4,r4,0x01		Ability ID * 14
00187800: a4a30000 sh r3,0x0000(r5)		Store Used Ability ID
00187804: 24a5001a addiu r5,r5,0x001a		r5 = 801938f0 (Current Action Ability Data start)
00187808: 3c028019 lui r2,0x8019
0018780c: 8c422d94 lw r2,0x2d94(r2)		Load Attacker's Data Pointer
00187810: 3406000e ori r6,r0,0x000e		r6 = e (Loop Limit)
00187814: a4430170 sh r3,0x0170(r2)		Store Last Attack? = Ability ID
00187818: 3c028006 lui r2,0x8006
0018781c: 2442fbf0 addiu r2,r2,-0x0410		r2 = 5fbf0 (Ability Data)
00187820: 0c017895 jal 0x0005e254		Load X into Y (Ability Data -> Current Action Data)
00187824: 00822021 addu r4,r4,r2		r4 = Ability Data Pointer
00187828: 8fbf0014 lw r31,0x0014(r29)
0018782c: 8fb00010 lw r16,0x0010(r29)
00187830: 27bd 0018 addiu r29,r29,0x 0018
00187834: 03e00008 jr r31
00187838: 00000000 nop