84 lines
1.8 KiB
Lua
84 lines
1.8 KiB
Lua
--Splatterhouse 2 (USA) Collision box viewer
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--Author Pasky
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--For use with Bizhawk
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local cx = 0
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local player = false
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local attack = false
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local weapon = false
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local function camera()
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cx = mainmemory.read_u16_be(0x9E)
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end
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local function drawAxis(x1,y1,x2,y2)
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local x = ((x2 - x1) / 2) + x1
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local y = ((y2 - y1) / 2) + y1
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local xrad = (x2 - x1) / 2
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local yrad = (y2 - y1) / 2
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gui.drawLine(x-xrad,y,x+xrad,y)
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gui.drawLine(x,y-yrad,x,y+yrad)
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end
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local function touch_collision()
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local A6 = bit.band(emu.getregister("M68K A6"),0xFFFF)
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local e = {0,0,0,0}
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local p = {0,0,0,0}
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for i = 0,3,1 do
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e[i] = mainmemory.read_s16_be(A6 - 0x0A - (i * 2))
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p[i] = mainmemory.read_s16_be(A6 - 0x02 - (i * 2))
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end
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gui.drawBox(e[0]-cx,e[2],e[1]-cx,e[3],0xFFFF0000,0x40FF0000)
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if player == false then
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gui.drawBox(p[0]-cx,p[2],p[1]-cx,p[3],0xFF0000FF,0x400000FF)
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if mainmemory.read_u16_be(0xEA) > 0 then
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drawAxis(p[0]-cx,p[2],p[1]-cx,p[3])
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end
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player = true
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end
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end
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local function attack_collision()
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local A6 = bit.band(emu.getregister("M68K A6"),0xFFFF)
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local a = {0,0,0,0}
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for i = 0,3,1 do
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a[i] = mainmemory.read_s16_be(A6 - 0x1A - (i * 2))
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end
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if attack == false then
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gui.drawBox(a[0]-cx,a[2],a[1]-cx,a[3],0xFFFFFFFF,0x40FFFFFF)
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attack = true
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end
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end
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local function weapon_collision()
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local A6 = bit.band(emu.getregister("M68K A6"),0xFFFF)
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local w = {0,0,0,0}
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for i = 0,3,1 do
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w[i] = mainmemory.read_s16_be(A6 - 0x12 - (i * 2))
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end
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if weapon == false then
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gui.drawBox(w[0]-cx,w[2],w[1]-cx,w[3],0xFFFFFFFF,0x40FFFFFF)
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weapon = true
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end
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end
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local function reset()
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player = false
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attack = false
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weapon = false
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end
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event.onmemoryexecute(touch_collision,0x1494E)
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event.onmemoryexecute(attack_collision,0x14826)
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event.onmemoryexecute(weapon_collision,0x14650)
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while true do
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camera()
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emu.frameadvance()
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reset()
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end |