alttpr-gwaa-kiwi/alttpr-baserom
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Add cane-only modes

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This commit is contained in:
karafruit
2021-12-20 16:10:11 -08:00
parent e50641db11
commit e210c85710
12 changed files with 193 additions and 83 deletions
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143
special_weapons.asm
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@@ -11,16 +11,34 @@ DamageClassCalc:
RTL
+
PLA
CMP #$01 : BEQ .cane
CMP #$2C : BEQ .cane
CMP #$31 : BEQ .cane
CMP #$01 : BEQ .red_cane
CMP #$2C : BEQ .red_cane
CMP #$31 : BEQ .blue_cane
CMP #$0C : BEQ .beam
BRA .not_cane_or_beam
.cane
.red_cane
PHA
LDA SpecialWeapons : CMP #$01 : BNE .normal
LDA SpecialWeapons : CMP #$01 : BEQ .cane_immune
LDA SpecialWeapons : CMP #$03 : BEQ .cane_immune
LDA SpecialWeapons : CMP #$04 : BEQ .special_cane
BRA .normal
.blue_cane
PHA
LDA SpecialWeapons : CMP #$01 : BEQ .cane_immune
LDA SpecialWeapons : CMP #$03 : BEQ .special_cane
LDA SpecialWeapons : CMP #$04 : BEQ .cane_immune
BRA .normal
.cane_immune
LDA $0E20, X : CMP.b #$1E : BEQ .normal ; crystal switch
PLA
BRA .impervious
.special_cane
LDA !WEAPON_LEVEL
LDA $0E20, X : CMP.b #$D6 : BEQ .unstunned_ganon
CMP.b #$D7 : BEQ .stunned_ganon
CMP.b #$88 : BEQ .mothula
PLA
BRA .special_level
.impervious
LDA #$FF
RTL
@@ -35,35 +53,35 @@ DamageClassCalc:
.not_cane_or_beam
CMP #$07 : BNE .no_change
LDA SpecialWeapons : CMP #$01 : BNE .normal_bombs
LDA !BOMB_LEVEL : BEQ .normal_bombs
LDA !WEAPON_LEVEL : BEQ .normal_bombs
LDA $0E20, X : CMP.b #$D6 : BEQ .unstunned_ganon
CMP.b #$D7 : BEQ .stunned_ganon
CMP.b #$88 : BEQ .mothula
CMP.b #$91 : BEQ .stalfos_knight
CMP.b #$92 : BEQ .helmasaur_king
.bomb_level
LDA !BOMB_LEVEL
.special_level
LDA !WEAPON_LEVEL
BRA .done
.mothula
LDA !BOMB_LEVEL
LDA !WEAPON_LEVEL
CMP #$04 : !BGE .fix_mothula
BRA .done
.fix_mothula
LDA #$03
BRA .done
.stalfos_knight
LDA !StalfosBombDamage : BEQ .bomb_level
LDA !StalfosBombDamage : BEQ .special_level
LDA #$08
BRA .done
.helmasaur_king
LDA $0DB0, X : CMP #$03 : !BGE .bomb_level
LDA $0DB0, X : CMP #$03 : !BGE .special_level
LDA #$08
BRA .done
.unstunned_ganon
LDA $04C5 : CMP.b #$02 : BNE .impervious
LDA $0EE0, X : BNE .impervious
LDA #$34 : STA $0EE0, X ; give the poor pig some iframes
BRA .bomb_level
BRA .special_level
.stunned_ganon
LDA $0EE0, X : BNE .impervious
LDA #$34 : STA $0EE0, X ; give the poor pig some iframes
@@ -109,17 +127,35 @@ Utility_CheckAncillaOverlapWithSprite:
CLC
RTL
.giant_moldorm
LDA $0C4A, X : CMP #$07 : BNE .ignore_collision ; don't collide with non-bombs
LDA.l SpecialWeapons : CMP #$01 : BNE .ignore_collision
LDA $0E10, Y : BNE .ignore_collision ; Moldy can have little a I-Frames, as a treat
LDA.l SpecialWeapons : CMP #$01 : BNE ++
LDA $0C4A, X : CMP #$07 : BEQ .check_collision_moldorm
BRA .ignore_collision ; don't collide with non-bombs
++ : LDA.l SpecialWeapons : CMP #$03 : BNE ++
LDA $0C4A, X : CMP #$31 : BEQ .check_collision_moldorm
BRA .ignore_collision ; don't collide with non-byrna
++ : LDA.l SpecialWeapons : CMP #$04 : BNE .ignore_collision
LDA $0C4A, X : CMP #$01 : BEQ .check_collision_moldorm
LDA $0C4A, X : CMP #$2C : BEQ .check_collision_moldorm
BRA .ignore_collision ; don't collide with non-somaria
.check_collision_moldorm
JSR SetUpMoldormHitbox
JSL !UTILITY_CHECK_IF_HIT_BOXES_OVERLAP_LONG
RTL
.trinexx
LDA $0C4A, X : CMP #$07 : BNE .ignore_collision ; don't collide with non-bombs
LDA.l SpecialWeapons : CMP #$01 : BNE .ignore_collision
LDA.l SpecialWeapons : CMP #$01 : BNE ++
LDA $0C4A, X : CMP #$07 : BEQ .check_collision_trinexx
BRA .ignore_collision ; don't collide with non-bombs
++ : LDA.l SpecialWeapons : CMP #$03 : BNE ++
LDA $0C4A, X : CMP #$31 : BEQ .check_collision_trinexx
BRA .ignore_collision ; don't collide with non-byrna
++ : LDA.l SpecialWeapons : CMP #$04 : BNE .ignore_collision
LDA $0C4A, X : CMP #$01 : BEQ .check_collision_trinexx
LDA $0C4A, X : CMP #$2C : BEQ .check_collision_trinexx
JMP .ignore_collision ; don't collide with non-somaria
.check_collision_trinexx
JSR SetUpTrinexxHitbox
JSL !UTILITY_CHECK_IF_HIT_BOXES_OVERLAP_LONG
RTL
@@ -193,8 +229,17 @@ SetUpMoldormHitbox:
;--------------------------------------------------------------------------------
; start with X = ancilla index, Y = sprite index
Utility_CheckHelmasaurKingCollision:
LDA $0C4A, X : CMP #$07 : BNE .normal ; normal behavior with non-bombs
LDA.l SpecialWeapons : CMP #$01 : BNE .normal
LDA.l SpecialWeapons : CMP #$01 : BNE ++
LDA $0C4A, X : CMP #$07 : BEQ .collide
BRA .normal ; normal behavior with non-bombs
++ : LDA.l SpecialWeapons : CMP #$03 : BNE ++
LDA $0C4A, X : CMP #$31 : BEQ .collide
BRA .normal ; normal behavior with non-byrna
++ : LDA.l SpecialWeapons : CMP #$04 : BNE .normal
LDA $0C4A, X : CMP #$01 : BEQ .collide
LDA $0C4A, X : CMP #$2C : BEQ .collide
BRA .normal ; normal behavior with non-somaria
.collide
CLC
RTL
.normal
@@ -211,34 +256,42 @@ Utility_CheckHammerHelmasaurKingMask:
RTL
;--------------------------------------------------------------------------------
Utility_CheckImpervious:
LDA $0E20, X : CMP.b #$CB : BEQ .trinexx
LDA $0E20, X : CMP.b #$CB : BNE .normal
.trinexx
LDA SpecialWeapons : CMP #$01 : BEQ + : CMP #$03 : BEQ + : CMP #$04 : BEQ +
BRA .normal
+
LDA $0301 : AND.b #$0A : BNE .impervious ; impervious to hammer
BRA .not_impervious
.normal
LDA $0E60, X : AND.b #$40 : BNE .impervious
LDA $0CF2 : CMP #$FF : BEQ .impervious ; special "always-impervious" class
LDA $0E20, X : CMP.b #$CC : BEQ .sidenexx : CMP.b #$CD : BEQ .sidenexx
LDA $0301 : AND.b #$0A : BEQ .not_impervious ; normal behavior if not hammer
JSL Ganon_CheckHammerVulnerability : BCS .not_impervious
LDA.l SpecialWeapons : CMP #$01 : BNE .not_impervious
LDA SpecialWeapons : CMP #$01 : BEQ + : CMP #$03 : BEQ + : CMP #$04 : BEQ +
BRA .not_impervious
+
LDA $0E20, X : CMP.b #$1E : BEQ .not_impervious ; crystal switch
CMP.b #$40 : BEQ .not_impervious ; aga barrier
BRA .impervious
.trinexx
LDA SpecialWeapons : CMP #$01 : BNE .normal
LDA $0301 : AND.b #$0A : BNE .impervious ; impervious to hammer
BRA .not_impervious
.sidenexx
LDA $0CAA, X : AND.b #$04 : BEQ .vulnerable
LDA SpecialWeapons : CMP #$01 : BNE .not_impervious
LDA $0CF2 : CMP #$06 : !BLT .impervious ; swords are ineffective
BRA .not_impervious
.vulnerable
LDA SpecialWeapons : CMP #$01 : BNE .not_impervious
LDA $0CF2 : CMP #$06 : !BGE .impervious ; non-swords are ineffective
BRA .not_impervious
.not_impervious
LDA #$00 : RTL
.impervious
LDA #$01 : RTL
.sidenexx
LDA $0CAA, X : AND.b #$04 : BEQ .vulnerable
LDA SpecialWeapons : CMP #$01 : BEQ + : CMP #$03 : BEQ + : CMP #$04 : BEQ +
BRA .not_impervious
+
LDA $0CF2 : CMP #$06 : !BLT .impervious ; swords are ineffective
BRA .not_impervious
.vulnerable
LDA SpecialWeapons : CMP #$01 : BEQ + : CMP #$03 : BEQ + : CMP #$04 : BEQ +
BRA .not_impervious
+
LDA $0CF2 : CMP #$06 : !BGE .impervious ; non-swords are ineffective
BRA .not_impervious
; returns nonzero A if impervious
;--------------------------------------------------------------------------------
!SPRITE_INITIALIZED_SEGMENTED = "$1DD6D1"
@@ -246,6 +299,8 @@ Utility_CheckImpervious:
;--------------------------------------------------------------------------------
AllowBombingMoldorm:
LDA SpecialWeapons : CMP #$01 : BEQ .no_disable_projectiles
LDA SpecialWeapons : CMP #$03 : BEQ .no_disable_projectiles
LDA SpecialWeapons : CMP #$04 : BEQ .no_disable_projectiles
INC $0BA0, X
.no_disable_projectiles
JSL !SPRITE_INITIALIZED_SEGMENTED
@@ -256,6 +311,8 @@ AllowBombingBarrier:
LDA $0D00, X : !SUB.b #$0C : STA $0D00, X
LDA $0E20, X : CMP #$40 : BNE .disable_projectiles
LDA SpecialWeapons : CMP #$01 : BEQ .no_disable_projectiles
LDA SpecialWeapons : CMP #$03 : BEQ .no_disable_projectiles
LDA SpecialWeapons : CMP #$04 : BEQ .no_disable_projectiles
.disable_projectiles
INC $0BA0, X
.no_disable_projectiles
@@ -264,7 +321,7 @@ AllowBombingBarrier:
DrawBombInMenu:
JSL LoadBombCount16 : AND.w #$00FF : BEQ .noBombs
LDA SpecialWeapons : AND.w #$00FF : CMP.w #$0001 : BNE .vanillaBombs
LDA.l !BOMB_LEVEL : AND.w #$00FF : BEQ .noBombs : STA $02
LDA.l !WEAPON_LEVEL : AND.w #$00FF : BEQ .noBombs : STA $02
LDA.w #$FC81 : STA $04
BRA .done
.vanillaBombs
@@ -278,7 +335,9 @@ DrawBombInMenu:
RTL
;--------------------------------------------------------------------------------
DrawSwordInMenu:
LDA SpecialWeapons : AND.w #$00FF : CMP.w #$0001 : BEQ .bombSword
LDA SpecialWeapons : AND.w #$00FF : CMP.w #$0001 : BEQ .specialSword
LDA SpecialWeapons : AND.w #$00FF : CMP.w #$0003 : BEQ .specialSword
LDA SpecialWeapons : AND.w #$00FF : CMP.w #$0004 : BEQ .specialSword
LDA $7EF359 : AND.w #$00FF : CMP.w #$00FF : BEQ .noSword
.hasSword
STA $02
@@ -288,15 +347,15 @@ DrawSwordInMenu:
LDA.w #$0000 : STA $02
LDA.w #$F859 : STA $04
RTL
.bombSword
LDA !BOMB_LEVEL : AND.w #$00FF : STA $02
.specialSword
LDA !WEAPON_LEVEL : AND.w #$00FF : STA $02
LDA.w #$FC51 : STA $04
RTL
;--------------------------------------------------------------------------------
DrawBombInYBox:
CPX.w #$0004 : BNE .done
LDA SpecialWeapons : AND.w #$00FF : CMP.w #$0001 : BNE .vanilla
LDA !BOMB_LEVEL : AND.w #$00FF : CLC : ADC.w #$00BD : BRA .done
LDA !WEAPON_LEVEL : AND.w #$00FF : CLC : ADC.w #$00BD : BRA .done
.vanilla
LDA.w #$0001
.done
@@ -313,7 +372,7 @@ DrawBombOnHud:
PLB
LDA.l SpecialWeapons : AND.w #$00FF : CMP.w #$0001 : BNE .regularBombs
LDA.l !BOMB_LEVEL : AND.w #$00FF : ASL #2 : TAX
LDA.l !WEAPON_LEVEL : AND.w #$00FF : ASL #2 : TAX
LDA.l BombIcon, X : STA.l $7EC71A
LDA.l BombIcon+2, X : STA.l $7EC71C
.regularBombs
@@ -322,13 +381,17 @@ DrawBombOnHud:
BombSpriteColor:
db $04, $08, $04, $02, $0A, $0A
SetBombSpriteColor:
LDA.l SpecialWeapons : CMP.b #$01 : BNE .normal
PHX
LDA.l !BOMB_LEVEL
LDA.l !WEAPON_LEVEL
TAX
LDA.l BombSpriteColor, X
STA $0B
PLX
RTL
.normal
LDA #$04 : STA $0B
RTL
;--------------------------------------------------------------------------------
StoreSwordDamage:
LDA.l SpecialWeapons : CMP #$02 : BEQ +