107 lines
2.7 KiB
Lua
107 lines
2.7 KiB
Lua
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-- Y's III (SNES) Collision box viewer
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-- Bizhawk
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-- Author: Pasky
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local camx
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local camy
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function findbit(p)
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return 2 ^ (p - 1)
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end
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function hasbit(x, p)
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return x % (p + p) >= p
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end
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local function hex(val)
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val = string.format("%X",val)
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if string.len(val) == 1 then
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val = "0" .. val
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end
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return val
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end
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local function camera()
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camx = mainmemory.read_u16_le(0x12D8)
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camy = mainmemory.read_u16_le(0x12E0)
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end
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memory.usememorydomain("CARTROM")
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local function player()
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local x = mainmemory.read_u8(0x1274)
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local y = mainmemory.read_u8(0x1276)
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local x1 = x
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local y1 = y
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local x2 = 0
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local y2 = 0
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if mainmemory.read_u8(0x1273) == 3 then
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x1 = x1 - 4
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x2= x1 + 0x18
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y1= y1 + 0x12
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y2= y1 + 0x10
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else
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x2 = x1 + 0x10
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y1 = y1 + 0x08
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y2 = y1 + 0x18
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end
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gui.drawBox(x1,y1,x2,y2,0xFF0000FF,0x300000FF)
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-- cheat
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-- memory.writebyte(0x1294,0x90) -- infinite hp
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-- memory.writeword(0x1299,0x400) -- experience
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-- Attacking
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if mainmemory.read_u8(0x1283) ~= 0 then
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local offset1 = bit.band(mainmemory.read_u8(0x1287),0x3)
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offset1 = offset1 + mainmemory.read_u8(0x1278) + mainmemory.read_u8(0x127A) - 0x10
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offset1 = bit.lshift(offset1,1)
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local offset2 = bit.band(mainmemory.read_u8(0x127C),0x40)
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offset2 = bit.rshift(offset2,6)
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offset2 = bit.bor(offset2,offset1)
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offset2 = bit.lshift(offset2,2)
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local ax1 = bit.band(x + memory.read_u8(0xBA4BE + offset2),0xFF)
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local ay1 = bit.band(y + memory.read_u8(0xBA4BF + offset2),0xFF)
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local ax2 = bit.band(x + memory.read_u8(0xBA4BC + offset2),0xFF)
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local ay2 = bit.band(y + memory.read_u8(0xBA4BD + offset2),0xFF)
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gui.drawBox(ax1,ay1,ax2,ay2)
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end
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end
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local function enemies()
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local start = 0x17FB - 0x22
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for i =0,15,1 do
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local base = start + (i * 0x22)
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local x = mainmemory.read_u16_le(base) - camx
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local y = mainmemory.read_u16_le(base + 2) - camy
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local facing = mainmemory.read_u8(base + 0xf)
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local offset = mainmemory.read_u8(base + 0xD) * 2
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local pointer = memory.read_u16_le(0xB9A25 + offset)
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local hp = mainmemory.read_u8(base + 0x8)
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local active = mainmemory.read_u8(base + 0x1D)
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if active ~= 0 then
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if bit.band(facing,0x40) ~= 0 then
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-- left
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pointer = pointer + 4
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else
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-- right
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end
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local x1 = x + memory.read_u8(0xB9A26 + pointer)
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local y1 = y + memory.read_u8(0xB9A27 + pointer)
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local x2 = x + memory.read_u8(0xB9A28 + pointer)
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local y2 = y + memory.read_u8(0xB9A29 + pointer)
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gui.text(x,y,"HP: " .. hp )
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gui.drawBox(x1,y1,x2,y2,0xFFFF0000,0x30FF0000)
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end
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end
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end
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while true do
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camera()
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player()
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enemies()
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emu.frameadvance()
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end
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