mirror of
https://github.com/deater/dos33fsprogs.git
synced 2024-09-13 12:56:30 +00:00
273 lines
4.2 KiB
ArmAsm
273 lines
4.2 KiB
ArmAsm
DOOR_STATUS_OPENING1 = $00
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DOOR_STATUS_OPENING2 = $01
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DOOR_STATUS_OPEN = $02
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DOOR_STATUS_CLOSING1 = $03
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DOOR_STATUS_CLOSING2 = $04
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DOOR_STATUS_CLOSED = $05
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DOOR_STATUS_EXPLODED = $06
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DOOR_STATUS_LOCKED = $07
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DOOR_STATUS_EXPLODING = $08
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;==================================
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; draw_doors
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;==================================
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; be sure to smc to point to right place
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draw_doors:
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lda NUM_DOORS
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beq done_draw_doors
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ldx #0
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draw_doors_loop:
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ldy door_status,X
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; ldy #1
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lda door_sprite_lookup_lo,Y
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sta INL
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lda door_sprite_lookup_hi,Y
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sta INH
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actually_draw_door:
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lda door_x,X
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sta XPOS
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lda door_y,X
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sta YPOS
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txa
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pha
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jsr put_sprite
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pla
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tax
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draw_doors_continue:
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inx
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cpx NUM_DOORS
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bne draw_doors_loop
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done_draw_doors:
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rts
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;==========================
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;==========================
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; handle doors
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;==========================
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;==========================
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handle_doors:
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lda NUM_DOORS
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beq done_handle_doors
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ldx #0
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handle_doors_loop:
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; state machine
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lda door_status,X
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; if locked->do nothing
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cmp #DOOR_STATUS_LOCKED
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beq handle_doors_continue
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; if exploded->do nothing
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cmp #DOOR_STATUS_EXPLODED
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beq handle_doors_continue
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; if closed and xpos/ypos in range: open
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; if open and xpos/ypos not ni range: close
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cmp #DOOR_STATUS_OPEN
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beq handle_doors_open
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cmp #DOOR_STATUS_CLOSED
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beq handle_doors_closed
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; if exploding: continue exploding
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; if opening, continue to open
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; if closing, continue to close
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handle_door_inc_state:
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inc door_status,X
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handle_doors_continue:
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inx
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cpx NUM_DOORS
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bne handle_doors_loop
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done_handle_doors:
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rts
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handle_doors_open:
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; only open/close if on same level
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ldy door_y,X
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iny
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iny
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iny
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iny
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cpy PHYSICIST_Y
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bne close_door
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lda PHYSICIST_X
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cmp door_xmax,X
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bcs close_door ; bge
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cmp door_xmin,X
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bcc close_door ; blt
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; made it here, we are in bounds, stay open
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jmp handle_doors_continue
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close_door:
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lda #DOOR_STATUS_CLOSING1
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sta door_status,X
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jmp handle_doors_continue
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handle_doors_closed:
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; only open if on same level
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ldy door_y,X
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iny
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iny
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iny
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iny
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cpy PHYSICIST_Y
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bne handle_doors_continue
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lda PHYSICIST_X
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cmp door_xmax,X
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bcs handle_doors_continue
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cmp door_xmin,X
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bcc handle_doors_continue
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open_door:
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lda #DOOR_STATUS_OPENING1
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sta door_status,X
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jmp handle_doors_continue
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;======================================
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;======================================
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; door sprites
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;======================================
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;======================================
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door_sprite_lookup_lo:
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.byte <door_opening_sprite1 ; DOOR_STATUS_OPENING1
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.byte <door_opening_sprite2 ; DOOR_STATUS_OPENING2
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.byte <door_open_sprite ; DOOR_STATUS_OPEN
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.byte <door_closing_sprite1 ; DOOR_STATUS_CLOSING1
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.byte <door_closing_sprite2 ; DOOR_STATUS_CLOSING2
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.byte <door_closed_sprite ; DOOR_STATUS_CLOSED
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.byte <door_exploded_sprite ; DOOR_STATUS_EXPLODED
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.byte <door_closed_sprite ; DOOR_STATUS_LOCKED
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.byte <door_exploding_sprite1 ; DOOR_STATUS_EXPLODING
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door_sprite_lookup_hi:
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.byte >door_opening_sprite1 ; DOOR_STATUS_OPENING1
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.byte >door_opening_sprite2 ; DOOR_STATUS_OPENING2
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.byte >door_open_sprite ; DOOR_STATUS_OPEN
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.byte >door_closing_sprite1 ; DOOR_STATUS_CLOSING1
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.byte >door_closing_sprite2 ; DOOR_STATUS_CLOSING2
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.byte >door_closed_sprite ; DOOR_STATUS_CLOSED
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.byte >door_exploded_sprite ; DOOR_STATUS_EXPLODED
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.byte >door_closed_sprite ; DOOR_STATUS_LOCKED
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.byte >door_exploding_sprite1 ; DOOR_STATUS_EXPLODING
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door_closed_sprite:
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.byte 1,10
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.byte $00
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.byte $00
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.byte $00
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.byte $00
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.byte $00
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.byte $00
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.byte $00
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.byte $00
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.byte $00
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.byte $00
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door_open_sprite:
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.byte 1,10
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.byte $AA
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.byte $AA
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.byte $AA
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.byte $AA
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.byte $AA
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.byte $AA
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.byte $AA
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.byte $AA
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.byte $AA
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.byte $AA
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door_opening_sprite2:
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door_closing_sprite1:
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.byte 1,10
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.byte $00
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.byte $A0
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.byte $AA
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.byte $AA
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.byte $AA
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.byte $AA
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.byte $AA
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.byte $AA
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.byte $0A
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.byte $00
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door_opening_sprite1:
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door_closing_sprite2:
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.byte 1,10
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.byte $00
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.byte $00
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.byte $00
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.byte $AA
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.byte $AA
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.byte $AA
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.byte $AA
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.byte $00
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.byte $00
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.byte $00
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door_exploded_sprite:
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.byte 1,10
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.byte $00
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.byte $A5
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.byte $AA
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.byte $AA
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.byte $AA
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.byte $AA
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.byte $AA
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.byte $AA
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.byte $AA
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.byte $A5
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door_exploding_sprite1:
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.byte 1,10
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.byte $00
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.byte $A5
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.byte $AA
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.byte $AA
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.byte $AA
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.byte $AA
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.byte $AA
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.byte $AA
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.byte $AA
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.byte $A5
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