251 lines
6.6 KiB
NASM
251 lines
6.6 KiB
NASM
; =========================================================
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; Zora Mask - by scawful
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; Based on the Fairy Flippers item by Conn
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; Special Thanks to Zarby89 for the PaletteArmorAndGloves hook
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;
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; Transforms Link into Zora Link
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; Allows Link to dive underwater in the overworld and dungeons as Zora Link.
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;
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; How To Use:
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; Press R to transform into Zora Link. Press R again to transform back.
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; Press Y in deep water to dive. Press Y again to resurface.
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; =========================================================
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UpdateZoraPalette:
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{
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REP #$30
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LDX #$001E
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.loop
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LDA.l zora_palette, X
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PHX
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STA.l !pal_color
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JSL ColorSubEffect
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PLX
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STA $7EC6E0, X
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DEX : DEX : BPL .loop
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SEP #$30
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INC $15
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RTL
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}
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; =========================================================
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; TODO: Finish the Zora palette
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zora_palette:
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dw $7BDE, $7FFF, $2F7D, $19B5, $3A9C, $14A5, $4E48, $3582
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dw $55BB, $6EF7, $7BDE, $55C7, $6ECD, $2E5A, $1970, $7616
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; dw #$6565, #$7271, #$2AB7, #$477E, #$1997, #$14B5, #$459B, #$69F2
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; dw #$7AB8, #$2609, #$19D8, #$3D95, #$567C, #$1890, #$52F6, #$2357
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; zora_palette:
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; dw #$7BDE, #$7FFF, #$2F7D, #$19B5, #$3A9C, #$14A5, #$19FD, #$14B6
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; dw #$55BB, #$362A, #$3F4E, #$162B, #$22D0, #$2E5A, #$1970, #$7616
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; dw #$6565, #$7271, #$2AB7, #$477E, #$1997, #$14B5, #$459B, #$69F2
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; dw #$7AB8, #$2609, #$19D8, #$3D95, #$567C, #$1890, #$52F6, #$2357
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AddTransitionSplash = $0998FC
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; =========================================================
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; Replaces Bombos medallion
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org $07A569
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LinkItem_ZoraMask:
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{
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; No removing the mask whilst diving.
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LDA !ZoraDiving : BNE .return
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LDA.b #$02
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JSL Link_TransformMask
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.return
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RTS
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}
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assert pc() <= $07A5CE
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; =========================================================
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; End of LinkState_Swimming
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org $079781
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JSR LinkState_UsingZoraMask
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RTS
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; =========================================================
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pullpc ; Bank07 Free Space from Deku Mask
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LinkState_UsingZoraMask:
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{
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; Check if the mask is equipped
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LDA $02B2 : CMP #$02 : BNE .normal
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; Check if we are in water or not
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LDA $5D : CMP #$04 : BEQ .swimming
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.normal
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; Return to normal state
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STZ $55
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STZ $5E ; Reset speed to normal
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STZ $037B
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STZ $0351
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JMP .return
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.swimming
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; Check if we are indoors or outdoors
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LDA $1B : BNE .dungeon ; z flag is 1
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; OVERWORLD ---------------------------------------------
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.overworld
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{
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; Check the Y button and clear state if activated
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JSR Link_CheckNewY_ButtonPress : BCC .return
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LDA $3A : AND.b #$BF : STA $3A
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; Check if already underwater
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LDA !ZoraDiving : BEQ .dive
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STZ $55 ; Reset cape flag
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STZ !ZoraDiving ; Reset underwater flag
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STZ $0351 ; Reset ripple flag
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STZ $037B ; Reset invincibility flag
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LDA #$04 : STA $5D ; Put Link in Swimming State
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JMP .return
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.dive
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; Handle overworld underwater swimming
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LDA #$01 : STA $55 ; Set cape flag
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STA $037B ; Set invincible flag
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LDA #$08 : STA $5E ; Set underwater speed
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LDA #$01 : STA !ZoraDiving ; Set underwater flag
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STA $0351 ; Set ripple flag
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; Splash visual effect
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LDA.b #$15 : LDY.b #$00
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JSL AddTransitionSplash
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; Stay in swimming mode
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LDA #$04 : STA $5D
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; Splash sound effect
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; LDA #$24 : STA $012E
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.return
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JSR $E8F0 ; HandleIndoorCameraAndDoors
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RTS
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}
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; DUNGEON DIVE ------------------------------------------
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.dungeon
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{
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; Check if we are in water or not
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LDA $5D : CMP #$04 : BNE .return_dungeon
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; Check if already underwater
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LDA !ZoraDiving : BNE .return_dungeon
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; Check the Y button and clear state if activated
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JSR Link_CheckNewY_ButtonPress : BCC .return_dungeon
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LDA $3A : AND.b #$BF : STA $3A
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.dive_dungeon
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; Splash effect
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LDA.b #$15 : LDY.b #$00
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JSL AddTransitionSplash
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STZ $5D ; reset player to ground state
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STZ $EE ; move link to lower level
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LDA #$72 : STA $9A ; Set layer
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LDA #$08 : STA $5E ; Set the player speed
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STZ $0345 ; Reset deep water flag
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LDA #$01 : STA !ZoraDiving ; Set the player underwater flag
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.return_dungeon
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JSR $E8F0 ; HandleIndoorCameraAndDoors
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RTS
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}
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}
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pushpc
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; End of LinkState_Default
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org $0782D2
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JSR LinkState_UsingZoraMask_dungeon_resurface
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JSR $E8F0 ; HandleIndoorCameraAndDoors
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CLC
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RTS
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assert pc() <= $0782DA
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pullpc
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.dungeon_resurface
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{
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LDA $1B : BEQ .return_overworld ; We are in overworld actually
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; Check if the player is actually diving
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LDA !ZoraDiving : BEQ .return_default
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; Check precise tile types for interaction
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LDA $0114 : CMP #$85 : BEQ .player_is_falling
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CMP #$09 : BEQ .player_is_falling
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CMP #$20 : BEQ .fall_into_pit
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CMP #$23 : BEQ .return_default
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; Check if the ground level is safe
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; Otherwise, eject the player back to the surface
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LDA $0114 : BNE .remove_dive
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; Check the Y button and clear state if activated
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JSR Link_CheckNewY_ButtonPress : BCC .return_default
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LDA $3A : AND.b #$BF : STA $3A
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{
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; Restore Swimming Effects
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LDA.b #$15 : LDY.b #$00 : JSL AddTransitionSplash
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.remove_dive
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LDA #$04 : STA $5D ; Set Link to Swimming State
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LDA #$01 : STA $EE ; Set Link to upper level
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STA $0345 ; Set deep water flag
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; Remove Diving Effects
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.player_is_falling
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LDA $67 : AND #$01 : STA $2F
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STZ $5E ; Reset speed to normal
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STZ !ZoraDiving ; Reset underwater flag
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STZ $0351 ; Reset ripple flag
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STZ $24 ; Reset z coordinate for link
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STZ $0372 ; Reset link bounce flag
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LDA #$62 : STA $9A ; Reset dungeon layer
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JMP .return_default
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}
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.return_overworld
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STZ !ZoraDiving
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.return_default
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STZ $0302
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RTS
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.fall_into_pit
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LDA.b #$03 : STA $5B
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JSR $9427
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JMP .return_default
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}
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pushpc
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; C2C3
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; Link_HopInOrOutOfWater_Vertical
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org $07C307
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JSR LinkState_UsingZoraMask_dungeon_stairs
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RTS
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pullpc
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.dungeon_stairs
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{
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LDA $02B2 : CMP #$02 : BNE .return_hop
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STZ $5E ; Reset speed to normal
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STZ !ZoraDiving ; Reset underwater flag
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LDA #$62 : STA $9A ; Reset dungeon layer
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.return_hop
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LDA #$06 : STA $5D ; Set Link to Recoil State
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RTS
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}
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print "End of Masks/zora_mask.asm ", pc
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pushpc
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