Difference between revisions of "Weather Elemental effects"

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−
  Elemental Section?
+
  No Parameters - Returns Nothing
−
  00186ed0: 27bdffe8 addiu r29,r29,0xffe8
+
−
  00186ed4: afb00010 sw r16,0x0010(r29)
+
Modify Target Current Action HP damage amount based on Weather
−
  00186ed8: 3c108019 lui r16,0x8019
+
  - Fire :    -25% of HP damage if Thunderstorm (strong or not)
−
  00186edc: 921038f7 lbu r16,0x38f7(r16) Load Abilities Element
+
  - Thunder : +25% of HP damage if Thunderstorm (strong or not)
−
  00186ee0: afbf0014 sw r31,0x0014(r29)
+
  - Ice :    +25% of HP damage if Snowstorm (strong or not)
−
  00186ee4: 0c063998 jal 0x0018e660 [[0018e660 - 0018e6b4]] // obtains weather state?
+
−
  00186ee8: 00000000 nop
+
Note that Fire and Thunder modification could be apply together if ability is Fire and Thunder
−
  00186eec: 00402821 addu r5,r2,r0 //r5 = [[Weather]] (+3 if snowing flag is set)
+
-------------------------------------------------------------------------------------------------------
−
  00186ef0: 24a2fffd addiu r2,r5,0xfffd //r2 = weather - 2
+
  00186ed0: 27bdffe8 addiu r29,r29,-0x0018    |
−
  00186ef4: 2c420002 sltiu r2,r2,0x0002 //r2 = true if weather is rain or thunder
+
  00186ed4: afb00010 sw r16,0x0010(r29)       |
−
  00186ef8: 1040001e beq r2,r0,0x00186f74 branch if not ?? //branch if not raining/thunder during the day
+
  00186ed8: 3c108019 lui r16,0x8019           |
−
  00186efc: 32020080 andi r2,r16,0x0080
+
  00186edc: 921038f7 lbu r16,0x38f7(r16)     |{{f/load|<nowiki>r16 = Current Ability : Ability Element</nowiki>}} {{f/std| 0x801938f7 / 801938f7}}
−
  00186f00: 1040000e beq r2,r0,0x00186f3c branch if element isn't fire
+
  00186ee0: afbf0014 sw r31,0x0014(r29)       |
−
  00186f04: 32020040 andi r2,r16,0x0040
+
  00186ee4: 0c063998 jal 0x0018e660           |{{f/jal|0018e660 - 0018e6b4 |0018e660 - 0018e6b4 }} Returns r2 = Weather value (+0x03 if snowy) or 0x00 if ignored
−
  00186f08: 3c048019 lui r4,0x8019
+
  00186ee8: 00000000 nop                     |
−
  00186f0c: 8c842d90 lw r4,0x2d90(r4)
+
  00186eec: 00402821 addu r5,r2,r0           |{{f/std|<nowiki>r5 = Weather</nowiki>}}
−
  00186f10: 00000000 nop
+
  00186ef0: 24a2fffd addiu r2,r5,-0x0003      |{{f/std|<nowiki>r2 = Weather  - 0x03</nowiki>}}
−
  00186f14: 84830004 lh r3,0x0004(r4) Load HP Damage
+
  00186ef4: 2c420002 sltiu r2,r2,0x0002       |{{f/std|<nowiki>r2 = 0x01 if Weather Mod is Thunderstorm or Strong thunder storm</nowiki>}}
−
  00186f18: 00000000 nop
+
  00186ef8: 1040001e beq r2,r0,0x00186f74     {{f/Cond|If Weather is Thunder Storm (strong or not)}}
−
  00186f1c: 00031040 sll r2,r3,0x01 HP Damage * 2
+
  00186efc: 32020080 andi r2,r16,0x0080           |{{f/std|<nowiki>r2 = 0x80 if Ability element is Fire</nowiki>}}
−
  00186f20: 00431021 addu r2,r2,r3 HP Damage * 3  
+
  00186f00: 1040000e beq r2,r0,0x00186f3c         {{f/Cond|If Ability element is fire}}
−
  00186f24: 04410002 bgez r2,0x00186f30
+
  00186f04: 32020040 andi r2,r16,0x0040           |{{f/std|<nowiki>r2 = 0x40 if Ability element is Thunder</nowiki>}}
−
  00186f28: 00000000 nop
+
  00186f08: 3c048019 lui r4,0x8019                   |
−
  00186f2c: 24420003 addiu r2,r2,0x0003
+
  00186f0c: 8c842d90 lw r4,0x2d90(r4)                 |{{f/adr|<nowiki>r4 = Target Current Action (TCA) data pointer</nowiki>}}
−
  00186f30: 00021083 sra r2,r2,0x02 HP Damage * 3 / 4
+
  00186f10: 00000000 nop                             |
−
  00186f34: a4820004 sh r2,0x0004(r4) Store New HP Damage
+
  00186f14: 84830004 lh r3,0x0004(r4)                 |{{f/load|<nowiki>r3 = TCA HP damage amount</nowiki>}}
−
  00186f38: 32020040 andi r2,r16,0x0040
+
  00186f18: 00000000 nop                             |
−
  00186f3c: 1040000e beq r2,r0,0x00186f78 branch if element isn't lightning
+
  00186f1c: 00031040 sll r2,r3,0x01                   |{{f/std|HP Damage * 2}}
−
  00186f40: 24a2fffa addiu r2,r5,0xfffa //r2 = weather - 6
+
  00186f20: 00431021 addu r2,r2,r3                   |{{f/std|HP Damage * 3 }}
−
  00186f44: 3c048019 lui r4,0x8019
+
  00186f24: 04410002 bgez r2,0x00186f30               {{f/Cond|If HP damage * 3 < 0x00 }} (never ?)
−
  00186f48: 8c842d90 lw r4,0x2d90(r4)
+
  00186f28: 00000000 nop                                 |
−
  00186f4c: 00000000 nop
+
  00186f2c: 24420003 addiu r2,r2,0x0003                   |{{f/std|<nowiki>HP damage = 0x03</nowiki>}}
−
  00186f50: 84830004 lh r3,0x0004(r4) Load HP Damage
+
  00186f30: 00021083 sra r2,r2,0x02                   |{{f/std|HP Damage * 3 / 4}}
−
  00186f54: 00000000 nop
+
  00186f34: a4820004 sh r2,0x0004(r4)                 |{{f/store|<nowiki>Store HP Damage = 75% of Initial HP damage</nowiki>}}
−
  00186f58: 00031080 sll r2,r3,0x02 HP Damage * 4
+
  00186f38: 32020040 andi r2,r16,0x0040               |{{f/std|<nowiki>r2 = 0x40 if Ability element is Thunder</nowiki>}}
−
  00186f5c: 00431021 addu r2,r2,r3 HP Damage * 5
+
  00186f3c: 1040000e beq r2,r0,0x00186f78         {{f/Cond|If Element is Thunder}}
−
  00186f60: 04410002 bgez r2,0x00186f6c
+
  00186f40: 24a2fffa addiu r2,r5,-0x0006          |{{f/std|<nowiki>r2 = Weather - 0x06</nowiki>}}
−
  00186f64: 00000000 nop
+
  00186f44: 3c048019 lui r4,0x8019                   |
−
  00186f68: 24420003 addiu r2,r2,0x0003
+
  00186f48: 8c842d90 lw r4,0x2d90(r4)                 |{{f/adr|<nowiki>r4 = Target Current Action (TCA) data pointer</nowiki>}}
−
  00186f6c: 00021083 sra r2,r2,0x02 HP Damage * 5 /4
+
  00186f4c: 00000000 nop                             |
−
  00186f70: a4820004 sh r2,0x0004(r4) Store new HP Damage
+
  00186f50: 84830004 lh r3,0x0004(r4)                 |{{f/load|<nowiki>r3 = TCA HP damage amount</nowiki>}}
−
  00186f74: 24a2fffa addiu r2,r5,0xfffa //weather - 6
+
  00186f54: 00000000 nop                             |
−
  00186f78: 2c420002 sltiu r2,r2,0x0002 //r2 = true if snowing
+
  00186f58: 00031080 sll r2,r3,0x02                   |{{f/std|HP Damage * 4}}
−
  00186f7c: 1040000f beq r2,r0,0x00186fbc branch if weather isn't ?? //branch if weather is not snowing
+
  00186f5c: 00431021 addu r2,r2,r3                   |{{f/std|HP Damage * 5}}
−
  00186f80: 32020020 andi r2,r16,0x0020
+
  00186f60: 04410002 bgez r2,0x00186f6c               {{f/Cond|If HP damage * 5 < 0x00}} (never ?)
−
  00186f84: 1040000d beq r2,r0,0x00186fbc branch if element isn't Ice
+
  00186f64: 00000000 nop                                 |
−
  00186f88: 00000000 nop
+
  00186f68: 24420003 addiu r2,r2,0x0003                   |{{f/std|<nowiki>r2 = 0x03</nowiki>}}
−
  00186f8c: 3c048019 lui r4,0x8019
+
  00186f6c: 00021083 sra r2,r2,0x02                   |{{f/std|HP Damage * 5 /4}}
−
  00186f90: 8c842d90 lw r4,0x2d90(r4)
+
  00186f70: a4820004 sh r2,0x0004(r4)                 |{{f/store|<nowiki>Store HP Damage = 125% of Initial HP damage</nowiki>}}
−
  00186f94: 00000000 nop
+
  00186f74: 24a2fffa addiu r2,r5,0xfffa       |{{f/std|<nowiki>r2 = Weather - 0x06</nowiki>}}
−
  00186f98: 84830004 lh r3,0x0004(r4) Load HP Damage
+
  00186f78: 2c420002 sltiu r2,r2,0x0002       |{{f/std|<nowiki>r2 = 0x01 if Weather is  (Snow Storm or Strong snow storm)</nowiki>}}
−
  00186f9c: 00000000 nop
+
  00186f7c: 1040000f beq r2,r0,0x00186fbc     {{f/Cond|If Weather is Snow Storm (strong or not)}}
−
  00186fa0: 00031080 sll r2,r3,0x02 HP Damage * 4
+
  00186f80: 32020020 andi r2,r16,0x0020           |{{f/std|<nowiki>r2 = 0x20 if Ability Element is Ice</nowiki>}}
−
  00186fa4: 00431021 addu r2,r2,r3 HP Damage * 5
+
  00186f84: 1040000d beq r2,r0,0x00186fbc         {{f/Cond|If Ability Element is Ice}}
−
  00186fa8: 04410002 bgez r2,0x00186fb4
+
  00186f88: 00000000 nop                             |
−
  00186fac: 00000000 nop
+
  00186f8c: 3c048019 lui r4,0x8019                   |
−
  00186fb0: 24420003 addiu r2,r2,0x0003
+
  00186f90: 8c842d90 lw r4,0x2d90(r4)                 |{{f/adr|<nowiki>r4 = Target Current Action (TCA) data pointer</nowiki>}}
−
  00186fb4: 00021083 sra r2,r2,0x02 HP Damage * 5 / 4
+
  00186f94: 00000000 nop                             |
−
  00186fb8: a4820004 sh r2,0x0004(r4) Store new HP Damage
+
  00186f98: 84830004 lh r3,0x0004(r4)                 |{{f/load|<nowiki>r3 = TCA HP damage amount</nowiki>}}
−
  00186fbc: 8fbf0014 lw r31,0x0014(r29)
+
  00186f9c: 00000000 nop                             |
−
  00186fc0: 8fb00010 lw r16,0x0010(r29)
+
  00186fa0: 00031080 sll r2,r3,0x02                   |{{f/std|HP Damage * 4}}
−
  00186fc4: 27bd0018 addiu r29,r29,0x0018
+
  00186fa4: 00431021 addu r2,r2,r3                   |{{f/std|HP Damage * 5}}
−
  00186fc8: 03e00008 jr r31
+
  00186fa8: 04410002 bgez r2,0x00186fb4               {{f/Cond|If HP damage * 5 < 0x00}}
−
  00186fcc: 00000000 nop
+
  00186fac: 00000000 nop                                 |
 +
  00186fb0: 24420003 addiu r2,r2,0x0003                   |{{f/std|<nowiki>r2 = 0x03</nowiki>}}
 +
  00186fb4: 00021083 sra r2,r2,0x02                   |{{f/std|HP Damage * 5 /4}}
 +
  00186fb8: a4820004 sh r2,0x0004(r4)                 |{{f/store|<nowiki>Store HP Damage = 125% of Initial HP damage</nowiki>}}
 +
  00186fbc: 8fbf0014 lw r31,0x0014(r29)       END
 +
  00186fc0: 8fb00010 lw r16,0x0010(r29)      
 +
  00186fc4: 27bd0018 addiu r29,r29,0x0018    
 +
  00186fc8: 03e00008 jr r31                  
 +
  00186fcc: 00000000 nop                    
 +
=== Note ===
 +
Weather value used in this routine (returned by [[0018e660 - 0018e6b4]] )
 +
  - 0x00 If weather is ignored
 +
  - 0x01 Clear
 +
  - 0x02 Rain
 +
  - 0x03 Thunderstorm
 +
  - 0x04 Strong Thunderstorm
 +
  - 0x05 Snow
 +
  - 0x06 Snowstorm
 +
  - 0x07 Strong Snowstorm
 +
=== Return location ===
 +
'''Battle.bin'''
 +
00188794: [[Elemental_XA_*_YA]]
 +
00188e2c: [[09_Dmg_(Y/100)%25_Hit_F(MA%2BX)%25|Formula 09 : Dmg (Y/100)% Hit F(MA+X)%]]
 +
00189d20: [[31_Dmg_((PA%2BY)/2*PA)|Formula 31 : Dmg ((PA+Y)/2*PA)]]
 +
0018a61c: [[53_Dmg_(X)%25_Hit_(MA%2BX)%25|Formula 53 : Dmg (X)% Hit (MA+X)%]]

Latest revision as of 12:45, 10 April 2022

No Parameters - Returns Nothing

Modify Target Current Action HP damage amount based on Weather
 - Fire :    -25% of HP damage if Thunderstorm (strong or not)
 - Thunder : +25% of HP damage if Thunderstorm (strong or not)
 - Ice :     +25% of HP damage if Snowstorm (strong or not)

Note that Fire and Thunder modification could be apply together if ability is Fire and Thunder
-------------------------------------------------------------------------------------------------------
00186ed0: 27bdffe8 addiu r29,r29,-0x0018    |
00186ed4: afb00010 sw r16,0x0010(r29)       |
00186ed8: 3c108019 lui r16,0x8019           |
00186edc: 921038f7 lbu r16,0x38f7(r16)      |r16 = Current Ability : Ability Element  0x801938f7 / 801938f7
00186ee0: afbf0014 sw r31,0x0014(r29)       |
00186ee4: 0c063998 jal 0x0018e660           |-->0018e660 - 0018e6b4  Returns r2 = Weather value (+0x03 if snowy) or 0x00 if ignored
00186ee8: 00000000 nop                      |
00186eec: 00402821 addu r5,r2,r0            |r5 = Weather
00186ef0: 24a2fffd addiu r2,r5,-0x0003      |r2 = Weather  - 0x03
00186ef4: 2c420002 sltiu r2,r2,0x0002       |r2 = 0x01 if Weather Mod is Thunderstorm or Strong thunder storm
00186ef8: 1040001e beq r2,r0,0x00186f74     #If Weather is Thunder Storm (strong or not)
00186efc: 32020080 andi r2,r16,0x0080           |r2 = 0x80 if Ability element is Fire
00186f00: 1040000e beq r2,r0,0x00186f3c         #If Ability element is fire
00186f04: 32020040 andi r2,r16,0x0040           |r2 = 0x40 if Ability element is Thunder
00186f08: 3c048019 lui r4,0x8019                    |
00186f0c: 8c842d90 lw r4,0x2d90(r4)                 |r4 = Target Current Action (TCA) data pointer
00186f10: 00000000 nop                              |
00186f14: 84830004 lh r3,0x0004(r4)                 |r3 = TCA HP damage amount
00186f18: 00000000 nop                              |
00186f1c: 00031040 sll r2,r3,0x01                   |HP Damage * 2
00186f20: 00431021 addu r2,r2,r3                    |HP Damage * 3 
00186f24: 04410002 bgez r2,0x00186f30               #If HP damage * 3 < 0x00  (never ?)
00186f28: 00000000 nop                                  |
00186f2c: 24420003 addiu r2,r2,0x0003                   |HP damage = 0x03
00186f30: 00021083 sra r2,r2,0x02                   |HP Damage * 3 / 4
00186f34: a4820004 sh r2,0x0004(r4)                 |Store HP Damage = 75% of Initial HP damage
00186f38: 32020040 andi r2,r16,0x0040               |r2 = 0x40 if Ability element is Thunder
00186f3c: 1040000e beq r2,r0,0x00186f78         #If Element is Thunder
00186f40: 24a2fffa addiu r2,r5,-0x0006          |r2 = Weather - 0x06
00186f44: 3c048019 lui r4,0x8019                    |
00186f48: 8c842d90 lw r4,0x2d90(r4)                 |r4 = Target Current Action (TCA) data pointer
00186f4c: 00000000 nop                              |
00186f50: 84830004 lh r3,0x0004(r4)                 |r3 = TCA HP damage amount
00186f54: 00000000 nop                              |
00186f58: 00031080 sll r2,r3,0x02                   |HP Damage * 4
00186f5c: 00431021 addu r2,r2,r3                    |HP Damage * 5
00186f60: 04410002 bgez r2,0x00186f6c               #If HP damage * 5 < 0x00 (never ?)
00186f64: 00000000 nop                                  |
00186f68: 24420003 addiu r2,r2,0x0003                   |r2 = 0x03
00186f6c: 00021083 sra r2,r2,0x02                   |HP Damage * 5 /4
00186f70: a4820004 sh r2,0x0004(r4)                 |Store HP Damage = 125% of Initial HP damage
00186f74: 24a2fffa addiu r2,r5,0xfffa       |r2 = Weather - 0x06
00186f78: 2c420002 sltiu r2,r2,0x0002       |r2 = 0x01 if Weather is  (Snow Storm or Strong snow storm)
00186f7c: 1040000f beq r2,r0,0x00186fbc     #If Weather is Snow Storm (strong or not)
00186f80: 32020020 andi r2,r16,0x0020           |r2 = 0x20 if Ability Element is Ice
00186f84: 1040000d beq r2,r0,0x00186fbc         #If Ability Element is Ice
00186f88: 00000000 nop                              |
00186f8c: 3c048019 lui r4,0x8019                    |
00186f90: 8c842d90 lw r4,0x2d90(r4)                 |r4 = Target Current Action (TCA) data pointer
00186f94: 00000000 nop                              |
00186f98: 84830004 lh r3,0x0004(r4)                 |r3 = TCA HP damage amount
00186f9c: 00000000 nop                              |
00186fa0: 00031080 sll r2,r3,0x02                   |HP Damage * 4
00186fa4: 00431021 addu r2,r2,r3                    |HP Damage * 5
00186fa8: 04410002 bgez r2,0x00186fb4               #If HP damage * 5 < 0x00
00186fac: 00000000 nop                                  |
00186fb0: 24420003 addiu r2,r2,0x0003                   |r2 = 0x03
00186fb4: 00021083 sra r2,r2,0x02                   |HP Damage * 5 /4
00186fb8: a4820004 sh r2,0x0004(r4)                 |Store HP Damage = 125% of Initial HP damage
00186fbc: 8fbf0014 lw r31,0x0014(r29)       END
00186fc0: 8fb00010 lw r16,0x0010(r29)       
00186fc4: 27bd0018 addiu r29,r29,0x0018     
00186fc8: 03e00008 jr r31                   
00186fcc: 00000000 nop

Note

Weather value used in this routine (returned by 0018e660 - 0018e6b4 )
 - 0x00 If weather is ignored
 - 0x01 Clear
 - 0x02 Rain
 - 0x03 Thunderstorm
 - 0x04 Strong Thunderstorm
 - 0x05 Snow
 - 0x06 Snowstorm
 - 0x07 Strong Snowstorm

Return location

Battle.bin
00188794: Elemental_XA_*_YA
00188e2c: Formula 09 : Dmg (Y/100)% Hit F(MA+X)%
00189d20: Formula 31 : Dmg ((PA+Y)/2*PA)
0018a61c: Formula 53 : Dmg (X)% Hit (MA+X)%
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