mirror of https://github.com/nmlgc/ReC98.git
110 lines
2.3 KiB
NASM
110 lines
2.3 KiB
NASM
public ITEMS_MISS_ADD
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items_miss_add proc far
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@@unused_index = word ptr -0Ah
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@@type = word ptr -8
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@@bigpower_index = word ptr -6
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@@field = word ptr -4
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@@total_item_i = word ptr -2
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enter 0Ah, 0
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push si
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push di
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call randring2_next16_mod pascal, MISS_ITEM_COUNT
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mov [bp+@@bigpower_index], ax
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@@unused_loop:
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call randring2_next16_mod pascal, MISS_ITEM_COUNT
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mov [bp+@@unused_index], ax
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cmp ax, [bp+@@bigpower_index]
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jz short @@unused_loop
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cmp _player_pos.cur.x, ((PLAYFIELD_W / 3) * 1) shl 4
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jge short @@field_center?
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mov [bp+@@field], MISS_FIELD_LEFT
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jmp short @@field_decided
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@@field_center?:
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cmp _player_pos.cur.x, ((PLAYFIELD_W / 3) * 2) shl 4
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jg short @@field_right
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mov [bp+@@field], MISS_FIELD_CENTER
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jmp short @@field_decided
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@@field_right:
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mov [bp+@@field], MISS_FIELD_RIGHT
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@@field_decided:
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xor di, di
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mov si, offset _items
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mov [bp+@@total_item_i], 0
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jmp @@more_available?
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@@loop:
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cmp [si+item_t.flag], 0
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jnz short @@next
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mov [si+item_t.flag], 1
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mov [si+item_t.ITEM_unknown], 0
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mov ax, _player_pos.cur.x
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mov [si+item_t.pos.cur.x], ax
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mov ax, _player_pos.cur.y
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mov [si+item_t.pos.cur.y], ax
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mov bx, [bp+@@field]
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imul bx, MISS_ITEM_COUNT * word * 2
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mov ax, di
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add ax, ax
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add bx, ax
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mov ax, (_ITEM_MISS_VELOCITIES + (MISS_ITEM_COUNT * word * 0))[bx]
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mov [si+item_t.pos.velocity.y], ax
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mov bx, [bp+@@field]
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imul bx, MISS_ITEM_COUNT * word * 2
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mov ax, di
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add ax, ax
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add bx, ax
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mov ax, (_ITEM_MISS_VELOCITIES + (MISS_ITEM_COUNT * word * 1))[bx]
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mov [si+item_t.pos.velocity.x], ax
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mov [si+item_t.pulled_to_player], 0
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cmp [bp+@@bigpower_index], di
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jz short @@set_bigpower
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call randring2_next16_and pascal, IT_POINT
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mov [bp+@@type], ax
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jmp short @@last_life?
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@@set_bigpower:
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mov [bp+@@type], IT_BIGPOWER
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@@last_life?:
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if GAME eq 5
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cmp _lives, 1
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else
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les bx, _resident
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cmp byte ptr es:[bx+resident_t.rem_lives], 1
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endif
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jnz short @@set_rest
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mov [bp+@@type], IT_FULLPOWER
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@@set_rest:
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mov al, byte ptr [bp+@@type]
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mov [si+item_t.ITEM_type], al
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mov bx, [bp+@@type]
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add bx, bx
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mov ax, ITEM_TYPE_PATNUM[bx]
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mov [si+item_t.ITEM_patnum], ax
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inc di
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inc _items_spawned
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cmp di, MISS_ITEM_COUNT
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jge short @@ret
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@@next:
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inc [bp+@@total_item_i]
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add si, size item_t
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@@more_available?:
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cmp [bp+@@total_item_i], ITEM_COUNT
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jl @@loop
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@@ret:
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pop di
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pop si
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leave
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retf
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items_miss_add endp
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