mirror of https://github.com/nmlgc/ReC98.git
93 lines
1.7 KiB
NASM
93 lines
1.7 KiB
NASM
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public ITEM_SPLASHES_INIT
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item_splashes_init proc near
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push bp
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mov bp, sp
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push di
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mov cx, size _item_splashes / 2
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mov ax, ds
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mov es, ax
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assume es:_DATA
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xor ax, ax
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mov di, offset _item_splashes
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rep stosw
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mov _item_splash_last_id, 0
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pop di
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pop bp
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retn
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item_splashes_init endp
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public ITEM_SPLASHES_ADD
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item_splashes_add proc near
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@@y = word ptr 4
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@@x = word ptr 6
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push bp
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mov bp, sp
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push si
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mov al, _item_splash_last_id
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mov ah, 0
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imul ax, size item_splash_t
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add ax, offset _item_splashes
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mov si, ax
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inc _item_splash_last_id
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cmp _item_splash_last_id, ITEM_SPLASH_COUNT
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jb short @@found
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mov _item_splash_last_id, 0
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@@found:
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cmp [si+item_splash_t.flag], 0
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jnz short @@ret
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mov [si+item_splash_t.flag], 1
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mov ax, [bp+@@x]
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mov [si+item_splash_t.center.x], ax
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mov ax, [bp+@@y]
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mov [si+item_splash_t.center.y], ax
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mov [si+item_splash_t.radius_cur], ITEM_SPLASH_RADIUS_START
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mov [si+item_splash_t.ITEM_SPLASH_time], 16
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mov [si+item_splash_t.radius_prev], ITEM_SPLASH_RADIUS_START
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@@ret:
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pop si
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pop bp
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retn 4
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item_splashes_add endp
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public ITEM_SPLASHES_UPDATE
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item_splashes_update proc near
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push bp
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mov bp, sp
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push si
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mov si, offset _item_splashes
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xor dx, dx
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jmp short @@more?
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@@loop:
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cmp [si+item_splash_t.flag], 0
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jz short @@next
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cmp [si+item_splash_t.flag], 2
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jnz short @@alive
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mov [si+item_splash_t.flag], 0
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jmp short @@next
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@@alive:
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mov ax, [si+item_splash_t.radius_cur]
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mov [si+item_splash_t.radius_prev], ax
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add [si+item_splash_t.radius_cur], ITEM_SPLASH_RADIUS_DELTA
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cmp [si+item_splash_t.radius_cur], ITEM_SPLASH_RADIUS_END
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jl short @@next
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mov [si+item_splash_t.flag], 2
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@@next:
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inc dx
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add si, size item_splash_t
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@@more?:
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cmp dx, ITEM_SPLASH_COUNT
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jl short @@loop
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pop si
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pop bp
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retn
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item_splashes_update endp
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