mirror of
https://github.com/notwa/mm
synced 2024-06-26 03:57:13 -07:00
80 lines
1.9 KiB
Lua
80 lines
1.9 KiB
Lua
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require = require "depend"
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require "boilerplate"
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require "addrs.init"
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local scene_names = require "data.scene names"
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local entrance_names = require "data.entrance names"
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function sdata(i)
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local a = addrs.scene_table.addr + i*4*3
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-- entrance count, entrance table (ptr), name (ptr)
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return {R4(a), R4(a + 4), R4(a + 8)}
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end
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function mirror(scene_id)
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if scene_id > 0x80 then
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return 0x100 - scene_id
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end
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return scene_id
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end
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function calc_dump(a)
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if type(a) ~= "number" then
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print('[crash]')
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return
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end
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if is_ptr(R4(a)) then
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a = deref(R4(a))
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end
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local scene_id = mirror(R1(a))
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local entrance = R1(a + 1)
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local t = entrance_names[scene_id]
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if t == nil then
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print("err")
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return
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end
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print(scene_names[scene_id])
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print(t[entrance])
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end
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function calc(exit)
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console.clear()
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local scene = bit.rshift(exit, 9)
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local entrance = bit.band(bit.rshift(exit, 4), 0x1F)
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local offset = bit.band(exit, 0xF)
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printf("%i, %i, %i", scene, entrance, offset)
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local sd = sdata(scene)
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local first_entrance = deref(sd[2])
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print("# Scene:")
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calc_dump(first_entrance)
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if not first_entrance then return end
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local orig_entrance = first_entrance + entrance*4
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local entr_before_offset = deref(R4(orig_entrance))
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print("# Scene + Entrance:")
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calc_dump(entr_before_offset)
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if not entr_before_offset then return end
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local final_entrance = entr_before_offset + offset*4
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print("# Scene + Entrance + Offset:")
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calc_dump(final_entrance)
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-- TODO: read until \x00
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--print('internal name:')
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--print(asciize(mainmemory.readbyterange(deref(sd[3]), 8)))
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end
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local old_value = -1
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while true do
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local exit_value = addrs.exit_value()
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if exit_value and exit_value ~= old_value then
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console.clear()
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calc(exit_value)
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end
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old_value = exit_value
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emu.frameadvance()
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end
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