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keen: can squish yorps
This commit is contained in:
Vince Weaver
parent
d5efc2135a
commit
c960ca1b16
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@ -1,5 +1,5 @@
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5 HOME
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10 PRINT "LOADING KEEN V0.01"
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10 PRINT "LOADING KEEN V0.04"
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20 PRINT " KEEN1 PROOF-OF-CONCEPT DEMAKE"
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30 PRINT:PRINT
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70 PRINT "BASED ON KEEN1 BY ID"
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@ -76,12 +76,17 @@ enemy_new_state:
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enemy_action:
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lda enemy_data_state,X
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cmp #YORP_STUNNED
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beq goto_done_move_enemy
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cmp #YORP_SEARCH
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beq enemy_search
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cmp #YORP_JUMP
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beq enemy_jump
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bne enemy_walk
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goto_done_move_enemy:
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jmp done_move_enemy
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enemy_search:
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lda enemy_data_direction,X
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eor #$FF
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@ -284,6 +289,18 @@ draw_proper_enemy:
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; lda enemy_sprites+1,X
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; sta INH
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lda enemy_data_state,Y
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cmp #YORP_STUNNED
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bne draw_enemy_walk
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lda #<yorp_sprite_stunned
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sta INL
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lda #>yorp_sprite_stunned
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jmp draw_enemy_common
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draw_enemy_walk:
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lda enemy_data_direction,Y
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bmi draw_enemy_left
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@ -368,6 +385,8 @@ YORP = 0
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YORP_WALK = 0
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YORP_JUMP = 1
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YORP_SEARCH = 2
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YORP_WALK2 = 3
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YORP_STUNNED= 4
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LEFT = $FF
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RIGHT = $1
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@ -5,6 +5,8 @@
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check_items:
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jsr check_yorp
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;===================
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; check head first
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;===================
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@ -58,9 +60,12 @@ check_feet_tilex:
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; check if going out door
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jsr check_door
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; check if touching enemy
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; check if touching fixed enemy
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jsr check_enemy
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; check yorp
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; jsr check_yorp
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; check item
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jsr check_item
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@ -70,13 +75,16 @@ check_feet_tilex1:
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; check if going out door
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jsr check_door
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; check if touching enemy
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; check if touching fixed enemy
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jsr check_enemy
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; check yorp
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; jsr check_yorp
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; check items
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jsr check_item
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rts ; FIXME: fallthrough
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; rts ; FIXME: fallthrough
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@ -166,7 +174,7 @@ done_check_door:
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;=============================
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; check if feet touching enemy
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; check if touching enemy
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;=============================
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; level1 at least you can't touch with head?
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check_enemy:
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@ -179,25 +187,73 @@ check_enemy:
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touched_enemy:
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; actual level over handled elsewhere
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lda #TOUCHED_ENEMY
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sta LEVEL_OVER
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; ldy #SFX_KEENDIESND
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; jsr play_sfx
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; ; TODO: ANIMATION
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; ; keen turns to head, flies up screen
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; ; play game over music if out of keens
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; lda KEENS
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; bpl done_check_enemy
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; ldy #SFX_GAMEOVERSND
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; jsr play_sfx
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done_check_enemy:
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rts
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;==================================
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; check if feet touching yorp head
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;==================================
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check_yorp:
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ldx #0
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check_yorp_loop:
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lda enemy_data_out,X
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beq no_yorp_stomp
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lda enemy_data_state,X
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cmp #YORP_STUNNED
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beq no_yorp_stomp
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lda enemy_data_tilex,X
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cmp KEEN_TILEX
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bne no_yorp_stomp
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;==================
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; K 0+1=1
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; K Y
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; Y
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lda enemy_data_tiley,X
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sec
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sbc #1
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cmp KEEN_TILEY
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bne no_yorp_stomp
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yes_yorp_stomp:
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; this trashes X,Y
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txa
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pha
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ldy #SFX_YORPBOPSND
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jsr play_sfx
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pla
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tax
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lda #YORP_STUNNED
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sta enemy_data_state,X
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lda #255
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sta enemy_data_count,X
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no_yorp_stomp:
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inx
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cpx #NUM_ENEMIES
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bne check_yorp_loop
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done_check_yorp:
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rts
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score_lookup:
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.byte $00,$01,$10,$05,$02,$50 ; BCD
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; 0 = laser gun
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@ -207,40 +263,3 @@ score_lookup:
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; 4 = carbonated beverage 200 pts
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; ? = bear 5000 pts
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.if 0
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; bit of a hack
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; TODO: auto-generate at startup
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div20_table:
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.byte 0,0,0,0,0, 0,0,0,0,0, 0,0,0,0,0, 0,0,0,0,0
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.byte 1,1,1,1,1, 1,1,1,1,1, 1,1,1,1,1, 1,1,1,1,1
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.byte 2,2,2,2,2, 2,2,2,2,2, 2,2,2,2,2, 2,2,2,2,2
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.byte 3,3,3,3,3, 3,3,3,3,3, 3,3,3,3,3, 3,3,3,3,3
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.byte 4,4,4,4,4, 4,4,4,4,4, 4,4,4,4,4, 4,4,4,4,4
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.byte 5,5,5,5,5, 5,5,5,5,5, 5,5,5,5,5, 5,5,5,5,5
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.byte 6,6,6,6,6, 6,6,6,6,6, 6,6,6,6,6, 6,6,6,6,6
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.byte 7,7,7,7,7, 7,7,7,7,7, 7,7,7,7,7, 7,7,7,7,7
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.byte 8,8,8,8,8, 8,8,8,8,8, 8,8,8,8,8, 8,8,8,8,8
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.byte 9,9,9,9,9, 9,9,9,9,9, 9,9,9,9,9, 9,9,9,9,9
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.byte 10,10,10,10,10, 10,10,10,10,10, 10,10,10,10,10, 10,10,10,10,10
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.byte 11,11,11,11,11, 11,11,11,11,11, 11,11,11,11,11, 11,11,11,11,11
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.byte 12,12,12,12,12, 12,12,12,12,12, 12,12,12,12,12 ;, 12,12,12,12,12
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mod20_table:
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.byte 0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19
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.byte 0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19
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.byte 0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19
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.byte 0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19
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.byte 0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19
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.byte 0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19
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.byte 0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19
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.byte 0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19
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.byte 0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19
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.byte 0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19
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.byte 0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19
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.byte 0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19
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.byte 0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19
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.byte 0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15
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.endif
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@ -6,6 +6,7 @@ SFX_GUNCLICK = 4
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SFX_KEENLANDSND= 5
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SFX_KEENJUMPSND= 6
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SFX_BUMPHEADSND= 7
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SFX_YORPBOPSND = 8
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;==========================
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; plays soundfx
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;==========================
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@ -52,11 +53,11 @@ play_done:
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sounds_low:
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.byte <KEENDIESND,<LVLDONESND, <GAMEOVERSND,<GOTITEMSND,<GUNCLICK
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.byte <KEENLANDSND,<KEENJUMPSND,<BUMPHEADSND
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.byte <KEENLANDSND,<KEENJUMPSND,<BUMPHEADSND,<YORPBOPSND
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sounds_high:
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.byte >KEENDIESND,>LVLDONESND, >GAMEOVERSND,>GOTITEMSND,>GUNCLICK
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.byte >KEENLANDSND,>KEENJUMPSND,>BUMPHEADSND
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.byte >KEENLANDSND,>KEENJUMPSND,>BUMPHEADSND,>YORPBOPSND
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KEENDIESND:
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.byte 20,1 ; 1169.8
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@ -476,3 +477,30 @@ BUMPHEADSND:
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.byte 184,1 ; 133.5
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.byte 186,1 ; 131.7
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.byte 255,255
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YORPBOPSND:
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.byte 102,1 ; 239.6
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.byte 104,1 ; 234.0
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.byte 106,3 ; 231.2
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.byte 107,2 ; 228.6
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.byte 104,1 ; 234.0
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.byte 103,1 ; 236.7
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.byte 101,1 ; 242.5
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.byte 99,1 ; 245.5
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.byte 97,1 ; 251.7
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.byte 94,1 ; 258.3
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.byte 92,3 ; 265.2
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.byte 0,14 ; 0.0
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.byte 8,3 ; 2840.9
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.byte 0,4 ; 0.0
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.byte 25,3 ; 947.0
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.byte 0,4 ; 0.0
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.byte 9,3 ; 2485.8
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.byte 0,5 ; 0.0
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.byte 24,3 ; 994.3
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.byte 0,4 ; 0.0
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.byte 9,3 ; 2485.8
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.byte 0,3 ; 0.0
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.byte 24,3 ; 994.3
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.byte 0,5 ; 0.0
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.byte 4,3 ; 4971.6
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.byte 255,255
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@ -29,7 +29,7 @@ keen_sprites.inc: keen_sprites.png
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$(PNG2SPRITES) keen_sprites.png yorp_sprite_walking_right 11 22 4 8 >> keen_sprites.inc
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$(PNG2SPRITES) keen_sprites.png yorp_sprite_standing 11 32 4 8 >> keen_sprites.inc
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$(PNG2SPRITES) keen_sprites.png keen_sprite_squish 16 32 4 8 >> keen_sprites.inc
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$(PNG2SPRITES) keen_sprites.png yorp_sprite_stunned 21 2 4 8 >> keen_sprites.inc
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####
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Binary file not shown.
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Before Width: | Height: | Size: 4.9 KiB After Width: | Height: | Size: 5.0 KiB |
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