release the player if the cart disconnects from them

This commit is contained in:
scawful
2024-05-22 20:17:32 -04:00
parent 9bbb49b83f
commit f92f2d2b2e

View File

@@ -455,36 +455,33 @@ HandleTileDirections:
RTS
+
; If the cart got disconnected from the player, release them.
JSR CheckIfPlayerIsOn : BCS .player_on_cart
%GotoAction(6) ; Minecart_Release
RTS
.player_on_cart
; Setup Minecart position to look for tile IDs
; We use AND #$F8 to clamp to a 16x16 grid, however this needs work.
LDA.w SprY, X : AND #$F8 : STA.b $00 : LDA.w SprYH, X : STA.b $01
LDA.w SprX, X : AND #$F8 : STA.b $02 : LDA.w SprXH, X : STA.b $03
; Fetch tile attributes based on current coordinates
LDA.b #$00 : JSL Sprite_GetTileAttr
; Load the tile index
LDA $0FA5 : CMP.b #$01 : BNE .not_out_of_bounds
LDA.b #$00 : JSL Sprite_GetTileAttr : LDA $0FA5
CMP.b #$02 : BNE .not_out_of_bounds
; If the tile is out of bounds, release the cart
LDA #$40 : STA SprTimerD, X
%GotoAction(6) ; Minecart_Release
RTS
.out_of_bounds
JSR ClampSpritePositionToGrid
RTS
.not_out_of_bounds
; Check if the tile is a stop tile
CMP.b #$B7 : BCS .check_stop ; If tile ID is >= $B8, check for stop tiles
.check_stop
CMP.b #$B7 : BEQ .stop_north
CMP.b #$B8 : BEQ .stop_south
CMP.b #$B9 : BEQ .stop_west
CMP.b #$BA : BEQ .stop_east
CMP.b #$20 : BEQ .out_of_bounds
JMP .check_for_movement ; if none of the above, continue with normal logic
JMP .check_for_movement ; if none of the above, continue with normal logic
.stop_north
; Set the new direction to north and flip the cart's orientation