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[Decompilation] [th03] Hit circles: Update function 

Part of P0280, funded by [Anonymous], Blue Bolt, and JonathKane.
This commit is contained in:
nmlgc 2024-04-21 23:47:44 +02:00
parent 4005de4d58
commit 0c6e9e88d0
3 changed files with 21 additions and 35 deletions
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18
th03/main/hitcirc.cpp
View File

@ -82,3 +82,21 @@ void pascal hitcircles_player_add(
p.spawn(pid);
hitcircle_set_topleft(p, center_x, center_y, pid);
}
void near hitcircles_update(void)
{
HitCircle near* p = hitcircles;
int i = 0;
while(i < HITCIRCLE_COUNT) {
if(p->age) {
p->age++;
// Not off-by-one, since [age] starts at 1.
if(p->age > HITCIRCLE_FRAMES) {
p->age = 0;
}
}
i++;
p++;
}
}

1
th03/main/hitcirc.hpp
View File

@ -11,3 +11,4 @@ void pascal hitcircles_enemy_add(
void pascal hitcircles_player_add(
subpixel_t center_x, subpixel_t center_y, pid2 pid
);
void near hitcircles_update(void);

37
th03_main.asm
View File

@ -235,7 +235,7 @@ loc_977E:
call p2_1FE7C
call p2_1F332
call p2_205D2
call sub_B7E5
call @hitcircles_update$qv
call shots_update
mov _pid_current, 0
mov _pid_PID_so_attack, SO_ATTACK_P1
@ -2580,44 +2580,11 @@ sub_B60A endp
extern @HITCIRCLES_ENEMY_ADD$QIII:proc
extern @HITCIRCLES_PLAYER_ADD$QIII:proc
@hitcircles_update$qv procdesc near
HITCIRC_TEXT ends
PLAYER_M_TEXT segment byte public 'CODE' use16
; =============== S U B R O U T I N E =======================================
; Attributes: bp-based frame
sub_B7E5 proc near
push bp
mov bp, sp
push si
mov si, offset _hitcircles
xor ax, ax
jmp short loc_B803
; ---------------------------------------------------------------------------
loc_B7F0:
cmp [si+hitcircle_t.HITCIRCLE_age], 0
jz short loc_B7FF
inc [si+hitcircle_t.HITCIRCLE_age]
cmp [si+hitcircle_t.HITCIRCLE_age], HITCIRCLE_FRAMES
jbe short loc_B7FF
mov [si+hitcircle_t.HITCIRCLE_age], 0
loc_B7FF:
inc ax
add si, size hitcircle_t
loc_B803:
cmp ax, HITCIRCLE_COUNT
jl short loc_B7F0
pop si
pop bp
retn
sub_B7E5 endp
; =============== S U B R O U T I N E =======================================
; Attributes: bp-based frame