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add vert/horiz tile check to minecart

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scawful
2024-06-06 20:44:01 -04:00
parent c83eaf0446
commit c20cab23d1
1 changed files with 19 additions and 0 deletions
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19
Sprites/Objects/minecart.asm
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@@ -530,7 +530,26 @@ HandleTileDirections:
CMP.b #$B3 : BEQ .check_direction CMP.b #$B3 : BEQ .check_direction
CMP.b #$B4 : BEQ .check_direction CMP.b #$B4 : BEQ .check_direction
CMP.b #$B5 : BEQ .check_direction CMP.b #$B5 : BEQ .check_direction
CMP.b #$B0 : BEQ .horiz
CMP.b #$B1 : BEQ .vert
JMP .done JMP .done
.horiz
; Are we moving left or right?
LDA SprSubtype, X : CMP.b #$03 : BEQ .inverse_horiz_velocity
LDA.b #!MinecartSpeed : STA SprXSpeed, X
JMP .done
.inverse_horiz_velocity
LDA.b #-!MinecartSpeed : STA SprXSpeed, X
JMP .done
.vert
; Are we moving up or down?
LDA SprSubtype, X : CMP.b #$00 : BEQ .inverse_vert_velocity
LDA.b #!MinecartSpeed : STA SprYSpeed, X
JMP .done
.inverse_vert_velocity
LDA.b #-!MinecartSpeed : STA SprYSpeed, X
JMP .done
.check_direction .check_direction
LDA SprSubtype, X LDA SprSubtype, X