; =============================================================================
;  Kydrog Boss

; =============================================================================
;  RAM Addresses
; =============================================================================

!OffspringCount = $AC             ;0x01
!CurrentDraw    = $7A             ;0x01
!WalkSpeed      = 10              ;0x01
!StorePosition  = $030C

;==============================================================================
; Sprite Properties
;==============================================================================

!SPRID              = $CB ; The sprite ID you are overwriting (HEX)
!NbrTiles           = 10  ; Number of tiles used in a frame
!Harmless           = 00  ; 00 = Sprite is Harmful,  01 = Sprite is Harmless
!HVelocity          = 00  ; Is your sprite going super fast? put 01 if it is
!Health             = 00  ; Number of Health the sprite have
!Damage             = 00  ; (08 is a whole heart), 04 is half heart
!DeathAnimation     = 00  ; 00 = normal death, 01 = no death animation
!ImperviousAll      = 00  ; 00 = Can be attack, 01 = attack will clink on it
!SmallShadow        = 00  ; 01 = small shadow, 00 = no shadow
!Shadow             = 00  ; 00 = don't draw shadow, 01 = draw a shadow 
!Palette            = 00  ; Unused in this KydrogBoss (can be 0 to 7)
!Hitbox             = 03  ; 00 to 31, can be viewed in sprite draw tool
!Persist            = 00  ; 01 = your sprite continue to live offscreen
!Statis             = 00  ; 00 = is sprite is alive?, (kill all enemies room)
!CollisionLayer     = 00  ; 01 = will check both layer for collision
!CanFall            = 00  ; 01 sprite can fall in hole, 01 = can't fall
!DeflectArrow       = 00  ; 01 = deflect arrows
!WaterSprite        = 00  ; 01 = can only walk shallow water
!Blockable          = 00  ; 01 = can be blocked by link's shield?
!Prize              = 00  ; 00-15 = the prize pack the sprite will drop from
!Sound              = 00  ; 01 = Play different sound when taking damage
!Interaction        = 00  ; ?? No documentation
!Statue             = 00  ; 01 = Sprite is statue
!DeflectProjectiles = 00  ; 01 = Sprite will deflect ALL projectiles
!ImperviousArrow    = 00  ; 01 = Impervious to arrows
!ImpervSwordHammer  = 00  ; 01 = Impervious to sword and hammer attacks
!Boss               = $01  ; 00 = normal sprite, 01 = sprite is a boss

%Set_Sprite_Properties(Sprite_KydrogBoss_Prep, Sprite_KydrogBoss_Long)

;==============================================================================

Sprite_KydrogBoss_Long:
{
  PHB : PHK : PLB

  JSR Sprite_KydrogBoss_Draw ; Call the draw code
  JSL Sprite_CheckActive   ; Check if game is not paused
  BCC .SpriteIsNotActive   ; Skip Main code is sprite is innactive

  JSR Sprite_KydrogBoss_CheckIfDead ; Check if sprite is dead
  JSR Sprite_KydrogBoss_Main ; Call the main sprite code

.SpriteIsNotActive
  
  PLB ; Get back the databank we stored previously
  RTL ; Go back to original code
}

;==============================================================================

Sprite_KydrogBoss_CheckIfDead:
{
  LDA $0D80, X : CMP.b #$09 : BEQ .not_dead

  ; If health is negative, set back to zero
  LDA $0E50, X : CMP.b #$44 : BCC .healthNotNegative
    LDA.b #$00 : STA $0E50, X

.healthNotNegative

  LDA $0E50, X : BNE .not_dead
    PHX 

    LDA.b #$04 : STA $0DD0, X ;kill sprite boss style
    LDA.b #$09 : STA $0D80, X ;go to KydrogBoss_Death stage

    PLX
.not_dead
  RTS
}

;==============================================================================

Sprite_KydrogBoss_Prep:
{  
  PHB : PHK : PLB
    
  LDA.b #$40 : STA $0E50, X ;health

  LDA.b #$80 : STA $0CAA, X

  LDA.b #$03 : STA $0F60, X ; hitbox settings 
  LDA.b #$0F : STA $0CD2, X ; bump damage type (4 hearts, green tunic)
  
  ; Make the sprite take damage from a sword
  ; LDA $0CAA, X : AND.b #$FB : STA $0CAA, X
  
  ; Make the sprite not invincible 
  LDA $0E60, X : AND.b #$BF : STA $0E60, X

  JSR KydrogBoss_Set_Damage ; Set the damage table

  %SetSpriteSpeedX(15)
  %SetSpriteSpeedX(15)
  %SetHarmless(00)

  LDA #$60 : STA SprTimerD, X

  PLB
  RTL
}
;==============================================================================


macro StopIfTooClose()
  LDA $0E : CMP.b #$0030 : BCS +
  CLC
  LDA $0F : CMP.b #$0030 : BCS +
  LDA.b #$20 : STA.w SprTimerD, X ; set timer E to 0x20
  %GotoAction(7)
  RTS
+
endmacro

macro RandomStalfosOffspring()
  JSL GetRandomInt : AND.b #$7F : BNE +
  PHX : JSR Sprite_Offspring_Spawn : PLX
+

  JSL GetRandomInt : AND.b #$7F : BNE +
  PHX : JSR Sprite_Offspring_SpawnHead : PLX
+
endmacro 

Sprite_KydrogBoss_Main:
{
  LDA.w SprAction, X; Load the SprAction
  JSL UseImplicitRegIndexedLocalJumpTable; Goto the SprAction we are currently in

  dw KydrogBoss_Init          ; 00
  dw KydrogBoss_WalkState     ; 01
  dw KydrogBoss_WalkForward   ; 02
  dw KydrogBoss_WalkLeft      ; 03
  dw KydrogBoss_WalkRight     ; 04
  dw KydrogBoss_WalkBackward  ; 05
  dw KydrogBoss_TakeDamage    ; 06
  dw KydrogBoss_TauntPlayer   ; 07
  dw KydrogBoss_SummonStalfos ; 08
  dw KydrogBoss_Death         ; 09

  ; ---------------------------------------------------------------------------

  KydrogBoss_Init:
  {
    %StartOnFrame(15)
    %PlayAnimation(15, 16, 8) ; Arms Crossed Animation 

    ; JSR SetupMovieEffect
    ; JSR MovieEffect
    ; LDX.b #$00
    
    LDA.w SprTimerD, X : BNE +
    %GotoAction(1) ; Goto KydrogBoss_WalkState
  +
    RTS
  }

  ; ---------------------------------------------------------------------------

  KydrogBoss_WalkState:
  {    
    
    LDA $0DA0 : BEQ .not_flashing
      LDA.b #$20 : STA.w SprTimerD, X
      %GotoAction(6) ; Goto KydrogBoss_TakeDamage
    RTS

  .not_flashing

    ; LDA !OffspringCount : CMP.b #$05 : BCS .no_offspring
      JSL GetRandomInt : AND.b #$0F : BNE .no_offspring
        LDA.b #$10 : STA.w SprTimerD, X
        %GotoAction(8) ; Goto KydrogBoss_TauntPlayer
    RTS

  .no_offspring
    LDA #$50 : STA $09, X
    JSL Sprite_DirectionToFacePlayer 
    TYA : CMP.b #$02 : BCC .WalkRight

  
.WalkForward
    %StopIfTooClose()
    JSL Sprite_IsBelowPlayer ; Check if sprite is below player
    TYA : BNE .WalkBackwards ; If 1, go to KydrogBoss_WalkBackwards
    
    %GotoAction(2) ; Goto KydrogBoss_WalkForward
    RTS

  .WalkBackwards
    %GotoAction(5) ; Goto KydrogBoss_WalkBackwards
    RTS

.WalkRight
    %StopIfTooClose()
    
    JSL Sprite_IsToRightOfPlayer ; Check if sprite is to the right of player
    TYA : BNE .WalkLeft ; If so, go to KydrogBoss_WalkLeft

    %GotoAction(4)
    RTS
  
  .WalkLeft
    %GotoAction(3) ; Goto KydrogBoss_WalkLeft
    RTS
  }

  ; ---------------------------------------------------------------------------

  KydrogBoss_WalkForward:
  {
    %PlayAnimation(0, 2, 8)

    PHX 
    JSL Sprite_CheckDamageFromPlayerLong
    %DoDamageToPlayerSameLayerOnContact()
    PLX 

    JSL Sprite_DamageFlash_Long
    JSL Sprite_BounceTowardPlayer

    %RandomStalfosOffspring()

    %GotoAction(1)
    RTS
  }

  ; ---------------------------------------------------------------------------

  KydrogBoss_WalkLeft:
  {
    %PlayAnimation(3, 5, 8)

    PHX 
    JSL Sprite_CheckDamageFromPlayerLong
    %DoDamageToPlayerSameLayerOnContact()
    PLX 

    JSL Sprite_DamageFlash_Long
    JSL Sprite_BounceTowardPlayer

    %RandomStalfosOffspring()

    %GotoAction(1)
    RTS
  }

  ; ---------------------------------------------------------------------------

  KydrogBoss_WalkRight:
  {
    %PlayAnimation(6, 8, 8)

    PHX 
    JSL Sprite_CheckDamageFromPlayerLong
    %DoDamageToPlayerSameLayerOnContact()
    PLX 

    JSL Sprite_DamageFlash_Long
    JSL Sprite_BounceTowardPlayer

    %RandomStalfosOffspring()

    %GotoAction(1)
    RTS
  }

  ; ---------------------------------------------------------------------------

  KydrogBoss_WalkBackward:
  {
    %PlayAnimation(9, 11, 8)

    PHX 
    JSL Sprite_CheckDamageFromPlayerLong
    %DoDamageToPlayerSameLayerOnContact()
    PLX 

    JSL Sprite_DamageFlash_Long
    JSL Sprite_BounceTowardPlayer

    %RandomStalfosOffspring()

    %GotoAction(1)
    RTS
  }

  ; ---------------------------------------------------------------------------

  KydrogBoss_TakeDamage: ;0x06
  {
    %StartOnFrame(12)
    %PlayAnimation(12, 14, 8)

    PHX
    JSL Sprite_CheckDamageFromPlayerLong
    %DoDamageToPlayerSameLayerOnContact()
    PLX 

    JSL Sprite_DamageFlash_Long
    
    %RandomStalfosOffspring()
    
    LDA.w SprTimerD, X : BNE +
    %GotoAction(1)

  +
    RTS
  }

  ; ---------------------------------------------------------------------------

  KydrogBoss_TauntPlayer: ;0x07 
  {
    %StartOnFrame(15)
    %PlayAnimation(15, 16, 8) ; Arms Crossed Animation 
    
    PHX
    JSL Sprite_CheckDamageFromPlayerLong
    %DoDamageToPlayerSameLayerOnContact()
    PLX 

    JSL Sprite_DamageFlash_Long
    LDA.w SprTimerD, X : BNE .continue_timer
    LDA.b #$20 : STA.w SprTimerD, X ; set timer E to 0x20
    %GotoAction(8)
  .continue_timer
    RTS
  }

  ; ---------------------------------------------------------------------------

  KydrogBoss_SummonStalfos: ;0x08
  {
    %StartOnFrame(17)
    %PlayAnimation(17, 17, 10)
    
    PHX
    JSL Sprite_CheckDamageFromPlayerLong
    %DoDamageToPlayerSameLayerOnContact()
    PLX 

    JSL Sprite_DamageFlash_Long

    LDA.w SprTimerD, X : BNE +

    JSL GetRandomInt : AND.b #$3F : BNE .no_stalfos

    PHX
    JSR Sprite_Offspring_Spawn
    PLX
    
  .no_stalfos
    JSR Kydrog_ThrowBoneAtPlayer
    CLC
    JSL GetRandomInt : AND.b #$3F : BNE .finish_summon
    JSR Sprite_Offspring_SpawnHead
  ; .offspring_stalfos
  ;   
  .finish_summon
    %GotoAction(1)
  +
    RTS
  }

  ; ---------------------------------------------------------------------------

  KydrogBoss_Death: ;0x09
  {
    
    ; %StartOnFrame(0)
    ; %PlayAnimation(0, 0, 10)

    ; Change the palette to the next in the cycle for the leg
    LDA $0DA0, X : INC : CMP.b #$08 : BNE .dontReset
      LDA.b #$00

  .dontReset
    STA $0DA0, X

    RTS
  }

  RTS
}

;==============================================================================

Sprite_KydrogBoss_Draw:
{  
  JSL Sprite_PrepOamCoord
  JSL Sprite_OAM_AllocateDeferToPlayer
  
  LDA $0DC0, X : CLC : ADC $0D90, X : ASL : TAY ; Animation Frame 
  REP #$20
  LDA .start_index, Y : STA $06 ; Needs to be 16 bit ; Y = 00, 02, 04, 06
  SEP #$20

  ; Store Palette thing 
  LDA $0DA0, X : STA $08

  PHX ; Store Sprite ID
  
  REP #$20
  LDA .nbr_of_tiles, Y ;amount of tiles -1 ; doesn't need to be 16 bit ;Y = 00, 02, 04, 06
  REP #$30
  TAX
  LDY.w #$0000

.nextTile
  REP #$30

  PHX ; Save current tile index 
  TXA : CLC : ADC $06 ; Add Animation Index Offset 

  PHA ; Keep the value with animation index offset

  ASL A : TAX ; *2 for the X and Y position

  REP #$30 ; X and Y position must be 16 bit

  LDA $00 : CLC : ADC .x_offsets, X : STA ($90), Y 
  AND.w #$0100 : STA $0E 
  INY
  LDA $02 : CLC : ADC .y_offsets, X : STA ($90), Y
  CLC : ADC #$0010 : CMP.w #$0100
  SEP #$20 ; change A back to 8bit but not X and Y
  BCC .on_screen_y

  LDA.b #$F0 : STA ($90), Y ; Put the sprite out of the way
  STA $0E
.on_screen_y

  PLX ; Pullback Animation Index Offset
  ; so X here is (nbr of tiles + animation index)
  INY
  LDA .chr, X : STA ($90), Y
  INY

  ; Set palette flash modifier 
  LDA .properties, X : ORA $08 : STA ($90), Y

  REP #$30 
  PHY 
      
  TYA : LSR #2 : TAY ; divide Y by 4
  SEP #$20 ;set A back to 8bit but not X and Y
  LDA .sizes, X : ORA $0F : STA ($92), Y ; store size in oam buffer
      
  PLY : INY
      
  PLX : DEX : BPL .nextTile

  SEP #$30

  PLX

  RTS

;==============================================================================

.start_index
dw $00, $0B, $15, $1F, $27, $2D, $35, $3D, $43, $4C, $57, $66, $71, $7A, $87, $91, $99, $A1
.nbr_of_tiles
dw 10, 9, 9, 7, 5, 7, 7, 5, 8, 10, 14, 10, 8, 12, 9, 7, 7, 6
.x_offsets
dw -8, 8, 8, 0, 8, 0, -8, -8, 16, 16, -8
dw -8, 8, -8, 0, 16, 16, -8, 16, 0, 8
dw -8, 8, 0, 16, -8, -8, -8, 16, 0, 8
dw 0, 0, 16, 8, 0, 16, 16, 16
dw 16, 0, 0, 16, 16, 0
dw 0, 16, 8, 16, 0, 16, 12, 0
dw 4, -4, 12, 4, -4, -4, 4, -4
dw 4, -12, 4, -12, -4, 16
dw 4, -4, 4, -4, -4, 12, 12, -4, 12
dw 0, 8, 8, 0, 0, 8, -8, -8, -8, 16, 16
dw 0, 8, 8, 0, 8, 0, 0, 8, 8, -8, -8, -8, 16, 16, 16
dw 0, 8, 8, 0, 0, 8, 16, 16, 16, -8, -8
dw -8, -8, 8, 16, 8, 8, 16, 0, 8
dw 0, -8, 8, 8, -8, -8, 0, 8, 0, 8, 16, 16, 16
dw -8, 16, 8, 8, 16, 0, 16, -8, 0, 8
dw -8, 8, -8, -8, 8, 8, -8, 16
dw -8, 8, 0, 8, -8, 8, -8, 16
dw -12, 4, 12, -4, 0, 16, 8
.y_offsets
dw -20, -20, -4, 4, 4, 12, 4, 12, 4, 12, -4
dw -19, -19, 4, 4, 4, 12, -4, -4, -3, -3
dw -20, -20, 4, 4, 4, 12, -4, -4, -4, -4
dw -20, -4, -4, -4, 4, 4, 12, -20
dw -20, -4, 4, -4, 4, -20
dw -20, -20, -4, -4, 4, 4, 12, -4
dw -20, -20, -4, -4, -4, -12, 4, 4
dw -20, -20, -4, -4, 4, 0
dw -20, -20, -4, -4, 4, 0, 8, -12, -4
dw -20, -20, -12, 0, -4, -4, -8, 0, 8, 0, -8
dw -20, -20, -12, -4, -4, 0, 8, 0, 8, 0, 8, -8, 0, 8, -8
dw -20, -20, -12, 0, -4, -4, -8, 0, 8, 0, -8
dw -24, -8, -24, -8, -8, 0, 0, 8, 8
dw -8, -24, -24, -8, -8, 0, 8, 8, 0, 0, 0, 8, -8
dw -16, -16, -16, -8, -8, 0, 0, 0, -24, -24
dw 0, 0, -16, -24, -16, -24, -16, -16
dw 0, 0, -8, -8, -24, -24, -8, -8
dw -4, -4, -20, -20, 12, 12, 12
.chr
db $87, $87, $A7, $80, $81, $A4, $93, $A3, $96, $A6, $A7
db $87, $87, $B3, $80, $92, $A2, $83, $83, $A8, $A8
db $87, $87, $80, $B2, $A1, $B1, $83, $83, $A8, $A8
db $C9, $E9, $EB, $EA, $C0, $C2, $D2, $CB
db $CE, $EC, $C3, $EE, $C5, $CC
db $C9, $CB, $FA, $FB, $C6, $C8, $D8, $E9
db $C9, $CB, $E9, $EA, $EB, $DB, $E1, $E0
db $CC, $CE, $EC, $EE, $E3, $E5
db $C9, $CB, $FA, $FB, $E6, $E8, $F8, $DE, $E9
db $89, $89, $99, $8E, $A9, $A9, $82, $92, $A2, $B3, $83
db $89, $89, $99, $A9, $A9, $8D, $9D, $8D, $9D, $8C, $9C, $83, $A1, $B1, $82
db $89, $89, $99, $8E, $A9, $A9, $83, $93, $A3, $B2, $83
db $45, $65, $45, $65, $66, $77, $75, $BD, $BE
db $6F, $4E, $4E, $6F, $47, $57, $7C, $7D, $AA, $AB, $6E, $7E, $83
db $84, $84, $85, $95, $5D, $AA, $6D, $6D, $8A, $8A
db $AC, $AE, $50, $40, $50, $40, $52, $52
db $AC, $AE, $63, $63, $42, $42, $60, $60
db $68, $6A, $4B, $49, $70, $72, $71
.properties
db $3B, $7B, $7B, $3B, $3B, $3B, $3B, $3B, $3B, $3B, $3B
db $3B, $7B, $3B, $3B, $3B, $3B, $3B, $7B, $3B, $7B
db $3B, $7B, $7B, $3B, $3B, $3B, $3B, $7B, $3B, $7B
db $3B, $3B, $3B, $3B, $3B, $3B, $3B, $3B
db $3B, $3B, $3B, $3B, $3B, $3B
db $3B, $3B, $3B, $3B, $3B, $3B, $3B, $3B
db $7B, $7B, $7B, $7B, $7B, $7B, $3B, $3B
db $7B, $7B, $7B, $7B, $3B, $3B
db $7B, $7B, $7B, $7B, $3B, $3B, $3B, $7B, $7B
db $3B, $7B, $7B, $3B, $3B, $7B, $7B, $7B, $7B, $7B, $7B
db $3B, $7B, $7B, $3B, $7B, $3B, $3B, $7B, $7B, $3B, $3B, $3B, $7B, $7B, $3B
db $3B, $7B, $7B, $7B, $3B, $7B, $7B, $7B, $7B, $7B, $3B
db $3B, $3B, $7B, $7B, $7B, $3B, $7B, $3B, $3B
db $3B, $3B, $7B, $7B, $3B, $3B, $3B, $3B, $3B, $3B, $3B, $3B, $7B
db $3B, $7B, $7B, $7B, $3B, $3B, $3B, $7B, $3B, $7B
db $3B, $3B, $3B, $3B, $7B, $7B, $3B, $7B
db $3B, $3B, $3B, $7B, $3B, $7B, $3B, $7B
db $3B, $3B, $3B, $3B, $3B, $3B, $3B
.sizes
db $02, $02, $02, $00, $00, $02, $00, $00, $00, $00, $02
db $02, $02, $00, $02, $00, $00, $00, $00, $00, $00
db $02, $02, $02, $00, $00, $00, $00, $00, $00, $00
db $02, $00, $00, $00, $02, $00, $00, $00
db $02, $02, $02, $02, $00, $02
db $02, $00, $00, $00, $02, $00, $00, $00
db $02, $00, $00, $00, $00, $00, $02, $02
db $02, $02, $02, $02, $02, $00
db $02, $00, $00, $00, $02, $00, $00, $00, $00
db $02, $00, $00, $02, $00, $00, $00, $00, $00, $00, $00
db $02, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00
db $02, $00, $00, $02, $00, $00, $00, $00, $00, $00, $00
db $02, $02, $02, $00, $00, $00, $00, $00, $00
db $00, $02, $02, $00, $02, $02, $00, $00, $00, $00, $00, $00, $00
db $02, $00, $00, $00, $00, $02, $00, $00, $00, $00
db $02, $02, $02, $02, $02, $02, $00, $00
db $02, $02, $02, $00, $02, $02, $00, $00
db $02, $02, $02, $02, $00, $00, $00
}

; =============================================================================

;BA: Boomerang
;D1: Damage 1
;D2: Damage 2
;D3: Damage 3
;D4: Damage 4
;D5: Damage 5
;AR: Arrow Damage
;HS: Hookshot Damage
;BM: BombDamage
;SA: Silvers Damage
;PD: Powder Damage
;FR: Fire Rod Damage
;IR: Ice Rod Damage
;BB: Bombos Damage
;EF: Ether Damage
;QU: Quake Damage

KydrogBoss_Set_Damage:
{
  PHX
  LDX.b #$00

.loop

  LDA .damageProperties, X : STA $7F6880, X 

  INX : CPX.b #$10 : BNE .loop

  PLX

  RTS

.damageProperties
  db $00, $01, $01, $01, $01, $01, $01, $00, $05, $01, $00, $01, $01, $01, $00, $01
      ;BA   D1   D2   D3   D4   D5   AR   HS   BM   SA   PD   FR   IR   BB   ET   QU
}

; =============================================================================

Sprite_DamageFlash_Long:
{
  PHB : PHK : PLB

  JSR Sprite_Damage_Flash

  PLB
  RTL
}

; =============================================================================

Sprite_Damage_Flash:
{
  LDA $0EF0, X : BEQ .dontFlash

    ; Change the palette to the next in the cycle
    LDA $0DA0, X : INC : CMP.b #$08 : BNE .dontReset
      LDA.b #$00
    
  .dontReset
    STA $0DA0, X

    BRA .flash

.dontFlash

  STZ $0DA0, X

.flash

  RTS
}

; =============================================================================

Sprite_Offspring_SpawnHead:
{
  JSL GetRandomInt : AND.b #$3F : BNE .normal_head
  LDA.b #$04 : BRA .alt_entry
  .normal_head
  LDA.b #$7C 
.alt_entry
  BRA Sprite_Offspring_Spawn_alt_entry
  RTS
}


Sprite_Offspring_Spawn:
{
  ; LDA !OffspringCount : CMP.b #$05 : BCS .return
  JSL GetRandomInt : AND.b #$3F : BNE .normal_stalfos
  LDA.b #$85 : BRA .alt_entry
.normal_stalfos
  ; Spawn the stalfos offspring
  LDA.b #$A7 
.alt_entry
  JSL Sprite_SpawnDynamically : BMI .return ;89

  ;store the sub-type
  LDA.b #$02 : STA $0E30, Y
      
  PHX
      
  ;code that controls where to spawn the offspring.
  REP #$20
  LDA $0FD8 : CLC : ADC.w #$000C
  SEP #$20
  STA $0D10, Y
  XBA : STA $0D30, Y

  REP #$20
  LDA $0FDA : CLC : ADC.w #$001E
  SEP #$20
  STA $0D00, Y
  XBA : STA $0D20, Y

  TYX

  STZ $0D60, X
  STZ $0D70, X

  ; INC !OffspringCount
      
  PLX
      
.return

  RTS
}

Kydrog_ThrowBoneAtPlayer:
{
  LDA.b #$A7 : JSL Sprite_SpawnDynamically : BMI .spawn_failed
  
  LDA.b #$01 : STA $0D90, Y ; Sprite state "falling into a pit"
  
  JSL Sprite_SetSpawnedCoords
  
  PHX
  
  TYX
  
  LDA.b #$20 : JSL Sprite_ApplySpeedTowardsPlayer
  
  LDA.b #$21 : STA $0E40, X : STA $0BA0, X
  
  LDA $0E60, X : ORA.b #$40 : STA $0E60, X
  
  LDA.b #$48 : STA $0CAA, X
  
  LDA.b #$10 : STA SprTimerC, X
  
  LDA.b #$14 : STA $0F60, X
  
  LDA.b #$07 : STA $0F50, X
  
  LDA.b #$20 : STA $0CD2, X
  
  PLX
  
  LDA.b #$02 : JSL Sound_SetSfx2PanLong

.spawn_failed

  RTS
}