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duke: engage shooting sprite

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This commit is contained in:
Vince Weaver 2020-12-14 23:37:12 -05:00
parent 5345f809a0
commit 3235ac7d66
6 changed files with 43 additions and 8 deletions
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23
duke/TODO
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@ -7,9 +7,23 @@ fancier PC-style sounds
movement: movement:
~~~~~~~~~ ~~~~~~~~~
collision detection up (hit head on jump) collision detection up (hit head on jump)
only jump if feet on ground * when land from jump, stop walking
when land from jump, stop walking walking right into objects, stand back one more
jump slightly higher? can keep walking in collision, just don't move
shooting animation
update clear screen to be black not stripes
enemies
exit door, blue pillar, red key (all in basement?)
tiles
~~~~~
animated tiles? alternate frame?
laser
~~~~~
hit enemies
hit tiles
levels: levels:
~~~~~~~ ~~~~~~~
@ -17,11 +31,10 @@ mystery level 2
status: status:
~~~~~~~ ~~~~~~~
keep score, proper laser count keep score, inventory
sprites: sprites:
~~~~~~~~ ~~~~~~~~
Different sprites for left, right, shooting
When land, kicks up dust When land, kicks up dust
enemies: enemies:

6
duke/draw_duke.s
View File

@ -39,6 +39,7 @@ check_shooting_right:
draw_shooting_right: draw_shooting_right:
ldx #<duke_sprite_shooting_right ldx #<duke_sprite_shooting_right
lda #>duke_sprite_shooting_right lda #>duke_sprite_shooting_right
dec DUKE_SHOOTING
jmp actually_draw_duke jmp actually_draw_duke
check_walking_right: check_walking_right:
@ -85,6 +86,7 @@ check_shooting_left:
draw_shooting_left: draw_shooting_left:
ldx #<duke_sprite_shooting_left ldx #<duke_sprite_shooting_left
lda #>duke_sprite_shooting_left lda #>duke_sprite_shooting_left
dec DUKE_SHOOTING
jmp actually_draw_duke jmp actually_draw_duke
check_walking_left: check_walking_left:
@ -174,14 +176,14 @@ duke_sprite_falling_left:
duke_sprite_shooting_right: duke_sprite_shooting_right:
.byte 4,4 .byte 4,4
.byte $AA,$dd,$bd,$AA .byte $AA,$dd,$bd,$AA
.byte $AA,$d3,$Ab,$AA .byte $AA,$3d,$Ab,$AA
.byte $AA,$b7,$A7,$AA .byte $AA,$b7,$A7,$AA
.byte $AA,$56,$56,$AA .byte $AA,$56,$56,$AA
duke_sprite_shooting_left: duke_sprite_shooting_left:
.byte 4,4 .byte 4,4
.byte $AA,$bd,$dd,$AA .byte $AA,$bd,$dd,$AA
.byte $AA,$Ab,$d3,$AA .byte $AA,$Ab,$3d,$AA
.byte $AA,$A7,$b7,$AA .byte $AA,$A7,$b7,$AA
.byte $AA,$56,$56,$AA .byte $AA,$56,$56,$AA

1
duke/duke.s
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@ -43,6 +43,7 @@ duke_start:
sta INVENTORY sta INVENTORY
sta DUKE_FALLING sta DUKE_FALLING
sta DUKE_SHOOTING sta DUKE_SHOOTING
sta KICK_UP_DUST
lda #$10 lda #$10
sta SCORE0 sta SCORE0

5
duke/keyboard.s
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@ -1,4 +1,4 @@
JUMP_HEIGHT = 9 JUMP_HEIGHT = 8
;============================== ;==============================
; Handle Keypress ; Handle Keypress
@ -216,6 +216,9 @@ return_pressed:
lda DUKE_DIRECTION lda DUKE_DIRECTION
sta LASER_DIRECTION sta LASER_DIRECTION
lda #2
sta DUKE_SHOOTING
cmp #1 cmp #1
beq laser_right beq laser_right
laser_left: laser_left:

15
duke/move_duke.s
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@ -273,10 +273,25 @@ scroll_fall:
feet_on_ground: feet_on_ground:
;===========================
; if had been falling
; kick up dust, make noise
; stop walking?
lda DUKE_FALLING
beq was_not_falling
; clear falling ; clear falling
lda #0 lda #0
sta DUKE_FALLING sta DUKE_FALLING
lda #2
sta KICK_UP_DUST
lda #0
sta DUKE_WALKING
was_not_falling:
; check to see if Y still hi, if so scroll back down ; check to see if Y still hi, if so scroll back down
lda DUKE_Y lda DUKE_Y

1
duke/zp.inc
View File

@ -109,6 +109,7 @@ UPDATE_STATUS = $94
DUKE_FALLING = $95 DUKE_FALLING = $95
DUKE_SHOOTING = $96 DUKE_SHOOTING = $96
KICK_UP_DUST = $97
; done game puzzle state ; done game puzzle state