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cleanup sprite movement functions lib

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scawful
2024-05-03 22:57:00 -04:00
parent aa2f687e3f
commit de1bbfae55
1 changed files with 77 additions and 63 deletions
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38
Sprites/ZSpriteLib/sprite_new_functions.asm
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@@ -1,6 +1,7 @@
;=================================================================
;==========================================================
;Long function, return Carry Set if Active
;=================================================================
;==========================================================
Sprite_CheckActive:
{
; Deactivates the sprite in certain situations
@@ -27,6 +28,7 @@ Sprite_CheckActive:
; make the sprite move X axis
;==========================================================
Sprite_MoveHoriz:
{
LDA.w $0D50, X : BEQ .no_velocity
ASL : ASL : ASL : ASL
CLC : ADC.w $0D70,X : STA.w $0D70,X
@@ -44,20 +46,25 @@ Sprite_MoveHoriz:
.no_velocity
RTL
}
;==========================================================
;===================================================================================================
; make the sprite move both directions (also height)
;===================================================================================================
;==========================================================
Sprite_MoveXyz:
JSL Sprite_MoveAltitude
Sprite_Move:
JSL Sprite_MoveHoriz
; no RTL, just continue into Sprite_MoveVert
;===================================================================================================
;==========================================================
; make the sprite move Y axis
;===================================================================================================
;==========================================================
Sprite_MoveVert:
{
LDA.w $0D40, X : BEQ .no_velocity
ASL : ASL : ASL : ASL
CLC : ADC.w $0D60,X : STA.w $0D60,X
@@ -75,12 +82,15 @@ Sprite_MoveVert:
.no_velocity
RTL
}
;===================================================================================================
;==========================================================
; make the sprite move Z axis (height)
;===================================================================================================
;==========================================================
Sprite_MoveZ:
Sprite_MoveAltitude:
{
LDA.w $0F80, X : ASL : ASL : ASL : ASL
CLC : ADC.w $0F90,X : STA.w $0F90,X
@@ -94,14 +104,17 @@ Sprite_MoveAltitude:
ADC.w $0F70,X : STA.w $0F70,X
RTL
}
;===================================================================================================
;==========================================================
; make the sprite bounce toward player (like vitreous)
; Movement, Collision are handled by this function (height:20 = vitreous)
; $09 = speed, $08 = max height
;===================================================================================================
;==========================================================
Sprite_BounceTowardPlayer:
{
JSL Sprite_MoveAltitude
DEC.w $0F80,X : DEC.w $0F80,X
@@ -126,8 +139,10 @@ Sprite_BounceTowardPlayer:
.dontmove
RTL
}
Sprite_BounceFromTileCollision:
{
JSL Sprite_CheckTileCollision : AND.b #$03 : BEQ ++
LDA.w $0D50,X : EOR.b #$FF : INC : STA.w $0D50,X
INC.w $0ED0, X
@@ -137,8 +152,7 @@ Sprite_BounceFromTileCollision:
INC.w $0ED0, X
++ RTL
; ==============================================================================
}
Intro_Dungeon_Main:
{