mirror of
https://github.com/notwa/mm
synced 2024-05-18 05:23:22 -07:00
41 lines
1.4 KiB
Lua
41 lines
1.4 KiB
Lua
function scene_flag_get_bb(scene, word, bit_)
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local byte = scene*0x14 + word*4 + math.floor(3 - bit_/8)
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byte = byte + addrs.scene_flags_ingame.addr
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local bitmask = bit.lshift(1, bit_ % 8)
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return byte, bitmask
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end
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function scene_flag_get(scene, word, bit_)
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local byte, bitmask = scene_flag_get_bb(scene, word, bit_)
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return bit.band(R1(byte), bitmask) ~= 0
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end
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-- TODO: check if current scene is scene id
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-- if it is, adjust scene_flag_current_x so it doesn't overwrite ingame flags
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function scene_flag_reset(scene, word, bit_)
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local byte, bitmask = scene_flag_get_bb(scene, word, bit_)
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W1(byte, bit.band(R1(byte), 0xFF - bitmask))
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end
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function scene_flag_set(scene, word, bit_)
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local byte, bitmask = scene_flag_get_bb(scene, word, bit_)
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W1(byte, bit.bor(R1(byte), bitmask))
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end
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function event_flag_get_bb(byte, bit_)
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byte = byte + addrs.week_event_reg.addr
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local bitmask = bit.lshift(1, bit_ % 8)
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return byte, bitmask
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end
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function event_flag_get(byte, bit_)
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local byte, bitmask = event_flag_get_bb(byte, bit_)
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return bit.band(R1(byte), bitmask) ~= 0
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end
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function event_flag_reset(byte, bit_)
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local byte, bitmask = event_flag_get_bb(byte, bit_)
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W1(byte, bit.band(R1(byte), 0xFF - bitmask))
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end
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function event_flag_set(byte, bit_)
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local byte, bitmask = event_flag_get_bb(byte, bit_)
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W1(byte, bit.bor(R1(byte), bitmask))
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end
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