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alexbevi
GitHub Repository: alexbevi/BizHawk
 Path: blob/master/Assets/Lua/SNES/Super Metroid.lua
2 views
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--Author Pasky13

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--Player

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local px = 0x000AF6

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local py = 0x000AFA

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local plife = 0x0009C2

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--Camera

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local camx = 0x000911

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local camy = 0x000915

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--Text scaler

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local xs

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local ys

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local function Samus()

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	local x = mainmemory.read_u16_le(px) - mainmemory.read_u16_le(camx)

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	local y = mainmemory.read_u16_le(py) - mainmemory.read_u16_le(camy)

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	local xrad = mainmemory.read_u8(0x0AFE)

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	local yrad = mainmemory.read_u8(0x0B00)

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	gui.drawBox(x + (xrad * -1), y + (yrad * -1), x+xrad,y+yrad,0xFF0000FF,0x350000FF)

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end

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local function EnemyBoxes()

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	local x = 0

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	local y = 0

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	local xrad = 0

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	local yrad = 0

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	local oend = 20

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	local base = 0xF7A

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	for i = 0, oend, 1 do

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		if i > 0 then

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			base = 0xF7A + (i * 0x40)

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		else

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			base = 0xF7A

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		end

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		x = mainmemory.read_u16_le(base) - mainmemory.read_u16_le(camx)

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		y = mainmemory.read_u16_le(base+ 4) - mainmemory.read_u16_le(camy)

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		xrad = mainmemory.read_u8(0x0F82 + (i * 0x40))

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		yrad = mainmemory.read_u8(0x0F84 + (i * 0x40))

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		hp = mainmemory.read_u16_le(base + 0x12)

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		gui.drawBox(x + (xrad * -1),y + (yrad * -1),x+xrad,y+yrad,0xFFFF0000,0x35FF0000)

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		gui.text((x-5) * xs,(y-5) * ys,"HP: " .. hp)

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	end

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end

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local function powerbomb()

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	local x = mainmemory.read_u16_le(0xCE2) - mainmemory.read_u16_le(camx)

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	local y = mainmemory.read_u16_le(0xCE4) - mainmemory.read_u16_le(camy)

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	local xrad 

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	local yrad

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	xrad = bit.band(memory.readbyte(0xCEB),0xFF)

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	yrad = ((xrad / 2) + xrad) / 2

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	gui.drawBox(x + (xrad * -1), y + (yrad * -1),x+xrad,y+yrad,0xFF00FFFF,0x35F00FFF)

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end

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local function Projectiles()

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	local x

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	local y

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	local xrad

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	local yrad

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	local oend = 8

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	local projxbase = 0xB64

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	local projybase = 0xB78

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	local projxrbase = 0xBB4

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	local projyrbase = 0xBC8

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	for i = 0, oend, 1 do

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		x = mainmemory.read_u16_le(projxbase + (i*2)) - mainmemory.read_u16_le(camx)

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		y = mainmemory.read_u16_le(projybase + (i*2)) - mainmemory.read_u16_le(camy)

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		xrad = mainmemory.read_u8(projxrbase + (i * 2))

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		yrad = mainmemory.read_u8(projyrbase + (i * 2))

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		gui.drawBox(x + (xrad * -1), y + (yrad * -1), x+xrad,y+yrad,0xFFFFFFFF,0x35FFFFFF)

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	end

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	if bit.band(mainmemory.read_u16_le(0xCEB),0xFF) > 0 then

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		powerbomb()

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	end

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end

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local function scaler()

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	xs = client.screenwidth() / 256

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	ys = client.screenwidth() / 224

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end

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while true do

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	scaler()

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	Samus()

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	EnemyBoxes()

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	Projectiles()

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	emu.frameadvance()

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end

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