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ootw: have beast appear
This commit is contained in:
Vince Weaver
parent
d28b3e9062
commit
4905a1dd05
@ -25,7 +25,7 @@ ootw.o: ootw.s \
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gr_copy.s gr_fast_clear.s gr_pageflip.s gr_unrle.s \
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gr_putsprite.s gr_putsprite_flipped.s gr_putsprite_crop.s \
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gr_make_quake.s gr_overlay.s zp.inc \
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keyboard.s sluggy.s \
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keyboard.s sluggy.s beast.s \
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ootw_rope.s earthquake.s ootw_mesa.s \
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ootw_pool.s ootw_cavern.s physicist.s random16.s \
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cutscene_slug.s cutscene_beast.s \
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185
ootw/beast.s
Normal file
185
ootw/beast.s
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@ -0,0 +1,185 @@
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;=======================================
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; Move Beast
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move_beast:
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; lda PHYSICIST_STATE
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; cmp #P_WALKING
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; beq move_physicist_walking
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; cmp #P_RUNNING
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; beq move_physicist_running
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rts
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;======================
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; running
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move_beast_running:
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inc BEAST_GAIT ; cycle through animation
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lda BEAST_GAIT
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and #$3
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cmp #$2 ; only run roughly 1/4 of time
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bne b_no_move_run
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lda BEAST_DIRECTION
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beq b_run_left
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inc BEAST_X ; run right
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rts
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b_run_left:
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dec BEAST_X ; run left
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b_no_move_run:
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rts
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;======================
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; standing
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move_beast_standing:
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;======================================
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; draw beast
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;======================================
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draw_beast:
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lda BEAST_STATE
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cmp #B_STANDING
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beq b_standing
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cmp #B_RUNNING
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beq b_running
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rts
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;==================================
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; STANDING
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;==================================
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b_standing:
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lda #<beast_standing
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sta INL
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lda #>beast_standing
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sta INH
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jmp finally_draw_beast
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;===============================
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; Running
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;================================
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b_running:
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lda BEAST_GAIT
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cmp #16
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bcc brun_gait_fine ; blt
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lda #0
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sta GAIT
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brun_gait_fine:
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lsr
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and #$fe
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tax
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lda beast_run_progression,X
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sta INL
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lda beast_run_progression+1,X
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sta INH
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jmp finally_draw_beast
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;==================================
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; COLLAPSING
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;==================================
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;physicist_collapsing:
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; lda GAIT
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; cmp #18
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; bne collapse_not_done
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;really_dead:
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; lda #$ff
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; sta GAME_OVER
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; jmp finally_draw_him
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;collapse_not_done:
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; ldx GAIT
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; lda collapse_progression,X
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; sta INL
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; lda collapse_progression+1,X
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; sta INH
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; lda FRAMEL
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; and #$1f
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; bne no_collapse_progress
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; inc GAIT
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; inc GAIT
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;no_collapse_progress:
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; jmp finally_draw_him
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;=============================
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; Actually Draw Beast
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;=============================
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finally_draw_beast:
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lda BEAST_X
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sta XPOS
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lda #26
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sec
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sbc EARTH_OFFSET ; adjust for earthquakes
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sta YPOS
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lda BEAST_DIRECTION
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bne b_facing_right
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b_facing_left:
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jmp put_sprite_crop
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b_facing_right:
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jmp put_sprite_flipped_crop
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;======================================
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; Check beast limit
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;======================================
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check_beast_limit:
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; clc
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; lda PHYSICIST_X
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; adc #$80
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; cmp LEFT_LIMIT
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; bcs just_fine_left ; (bge==bcs)
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;too_far_left:
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; lda #1
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; sta GAME_OVER
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; rts
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;just_fine_left:
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; Check right edge of screen
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; cmp RIGHT_LIMIT
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; bcc just_fine_right ; blt
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;too_far_right:
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; lda #2
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; sta GAME_OVER
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;just_fine_right:
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; rts
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@ -96,6 +96,7 @@ end_message:
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.include "ootw_mesa.s"
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.include "physicist.s"
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.include "sluggy.s"
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.include "beast.s"
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.include "earthquake.s"
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.include "text_print.s"
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.include "gr_pageflip.s"
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@ -21,7 +21,7 @@ ootw_cavern:
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lda #(0+128)
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sta LEFT_LIMIT
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lda #(37+128)
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lda #(38+128)
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sta RIGHT_LIMIT
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;=============================
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@ -17,6 +17,19 @@ beast_standing:
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.byte $aa,$aa,$00,$a0,$aa,$a0,$00,$00,$aa
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.byte $aa,$aa,$00,$aa,$aa,$aa,$00,$aa,$00
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beast_run_progression:
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.word beast_running1
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.word beast_running2
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.word beast_running3
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.word beast_running4
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.word beast_running5
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.word beast_running6
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.word beast_running7
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.word beast_running8
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beast_running1: ; piskel2
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.byte $9,$6
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.byte $aa,$0a,$00,$00,$0a,$aa,$aa,$aa,$aa
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@ -1,6 +1,7 @@
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; Ootw mesa at far right
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ootw_mesa:
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;===========================
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; Enable graphics
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@ -159,12 +160,29 @@ beyond_mesa_normal:
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jsr check_screen_limit
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;===============
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; draw physicist
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jsr draw_physicist
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;================
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; handle beast
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lda BEAST_OUT
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beq mesa_no_beast
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;================
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; draw beast
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jsr move_beast
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;================
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; draw beast
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jsr draw_beast
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mesa_no_beast:
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level1_ending:
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;===============
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@ -230,7 +248,15 @@ trigger_beast:
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sta BEAST_OUT
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lda #0
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sta BEAST_DIRECTION
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sta BEAST_GAIT
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sta BEAST_STATE ; B_STANDING
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sta GAME_OVER
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sta PHYSICIST_STATE ; stop in tracks
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lda #30
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sta BEAST_X
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lda #(39+128) ; update right side of screen
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sta RIGHT_LIMIT ; this is mostly for testing
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12
ootw/zp.inc
12
ootw/zp.inc
@ -30,7 +30,17 @@ COLOR = $30
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SEEDL = $4e
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SEEDH = $4f
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XMAX = $50
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XMAX = $50
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BEAST_X = $51
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BEAST_GAIT = $52
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BEAST_COUNT = $53
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BEAST_STATE = $54
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B_STANDING = $00
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B_RUNNING = $01
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B_FALLING = $02
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B_DEAD = $03
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BEAST_DIRECTION = $55
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;INVFLG = $32
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; dos33 zero page = 26-2f, 35-38, 3e 3f 40-4d
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