Sprite housekeeping

This commit is contained in:
scawful
2024-11-21 21:29:50 -05:00
parent d4843293f2
commit daf8d4c39d
3 changed files with 107 additions and 133 deletions

View File

@@ -45,10 +45,10 @@ Sprite_MoveHoriz:
; make the sprite move both directions (also height)
Sprite_MoveXyz:
JSL Sprite_MoveAltitude
JSL Sprite_MoveAltitude
Sprite_Move:
JSL Sprite_MoveHoriz
; no RTL, just continue into Sprite_MoveVert
JSL Sprite_MoveHoriz
; no RTL, just continue into Sprite_MoveVert
; =========================================================
; make the sprite move Y axis
@@ -96,15 +96,14 @@ Sprite_MoveAltitude:
; =========================================================
; make the sprite bounce toward player
; movement, collision are handled by this function
; movement, collision are handled by this function
; $09 = speed, $08 = max height ( e.g. height:20 = vitreous)
Sprite_BounceTowardPlayer:
{
JSL Sprite_MoveAltitude
DEC.w SprTimerF, X : DEC.w SprTimerF, X
LDA.w SprHeight, X : BPL .aloft
JSL Sprite_MoveAltitude
DEC.w SprTimerF, X : DEC.w SprTimerF, X
LDA.w SprHeight, X : BPL .aloft
STZ.w SprHeight, X
LDA.b $08 : STA.w SprTimerF, X ; set height from 08
LDA.b $09 : JSL Sprite_ApplySpeedTowardsPlayer
@@ -113,7 +112,7 @@ Sprite_BounceTowardPlayer:
LDA.w SprHeight, X : BEQ .dontmove
JSL Sprite_Move
.dontmove
RTL
RTL
}
; A = Speed
@@ -237,7 +236,7 @@ DragPlayer:
INC.w DragYL
.x_done
; Changing the modifier adjusts links position in the cart
; Changing the modifier adjusts links position in the cart
LDA.w SprCachedY : SEC : SBC.w #$0008
CMP $20 : BEQ .y_done : BPL .y_too_low
DEC.w DragXL
@@ -293,7 +292,7 @@ Sprite_Damage_Flash:
; Change the palette to the next in the cycle
LDA.w SprFlash, X : INC : CMP.b #$08 : BNE .dontReset
LDA.b #$00
.dontReset
STA.w SprFlash, X
BRA .flash
@@ -325,13 +324,13 @@ Link_CheckNewY_ButtonPress_Long:
Link_SetupHitBox:
{
LDA.b #$08 : STA $02 : STA $03
LDA $22 : CLC : ADC.b #$04 : STA $00
LDA $23 : ADC.b #$00 : STA $08
LDA $20 : ADC.b #$08 : STA $01
LDA $21 : ADC.b #$00 : STA $09
RTL
}
@@ -604,7 +603,7 @@ Sprite_ApplySpeedTowardsPlayerXOrY:
;player_to_the_Left
REP #$20
LDA.w SprCachedX : SEC : SBC $22 ; delta X
CMP $01 : BCS .XGreaterThanY1
;YGreaterThanX
SEP #$20
@@ -700,7 +699,6 @@ GetDistance8bit_Long:
RTL
}
; =========================================================
Intro_Dungeon_Main:
@@ -714,7 +712,7 @@ Intro_Dungeon_Main:
LDA $1C : ORA.b #$01 : STA $1C ;turn on BG2 (Body)
.didNotRun
STZ.b SpriteRanCheck
.not_sprite_body_boss
@@ -764,7 +762,7 @@ MoveCamera:
;CameraAbovePoint ;right
ADC.w #$0001 : STA $E2 : STA $E0 : STA $011E : STA $0120 ;move the camera right by 1
BRA .dontMoveX
.CameraBelowPointX
SEC : SBC.w #$0001 : STA $E2 : STA $E0 : STA $011E : STA $0120 ;move the camera left by 1
@@ -837,7 +835,7 @@ SetupMovieEffect:
LDA.b #$01 : STA.l MovieEffectA
LDA.b #$00 : STA.l MovieEffectB
;Below screen
;Below screen
LDA.b #$20 : STA.l MovieEffectC
LDA.b #$0F : STA.l MovieEffectD
@@ -864,7 +862,7 @@ MovieEffect:
SEP #$20
LDA.b #$20 : STA $9B ;Do the HDMA instead of $420C
; LDA $9B : ORA #$20 : STA $9B
; LDA $9B : ORA #$20 : STA $9B
; LDA.b #$02 : STA $13 ;controls the brightness of the screen
RTS