-- Majora's Mask (U): Explosives Positions Script
-- by Jimmie1717
-- BizHawk 1.11.8.2

-- Setup for 640x480 Display.
-- Positions will be shown in the bottle right corner.
-- Adjust "anchor_x/y" on lines 24/25 if you want it to display somewhere else on screen.

console.clear();
gui.defaultTextBackground(0x00000000);

-- Global
readDWord				= memory.read_u32_be;
readFloat				= memory.readfloat;
writeDWord				= memory.write_u32_be;
writeFloat				= memory.writefloat;
drawText				= gui.drawText;

-- Explosive Pointer
local explosive_pointer	= 0x3E87F8;

function explosivesPositionsDisplay()

	local anchor_x			= 579;
	local anchor_y			= 320;
	
	local pointer			= readDWord(explosive_pointer);
	
	-- Loop through current explosives out.
	for i = 1, 3, 1 do
	
		if (pointer ~= 0x00000000 and pointer > 0x80000000) then
			local x		= pointer - 0x80000000 + 0x00000024;
			local y		= pointer - 0x80000000 + 0x00000028;
			local z		= pointer - 0x80000000 + 0x0000002C;
			
			drawText(anchor_x + 1, anchor_y + 1, string.format("%s %d:", "Bomb ", i), "BLACK");
			drawText(anchor_x + 0, anchor_y + 0, string.format("%s %d:", "Bomb ", i));
			drawText(anchor_x + 6, anchor_y + 13, string.format("% 7.1f", readFloat(x, true)), "BLACK");
			drawText(anchor_x + 5, anchor_y + 12, string.format("% 7.1f", readFloat(x, true)));
			drawText(anchor_x + 6, anchor_y + 25, string.format("% 7.1f", readFloat(y, true)), "BLACK");
			drawText(anchor_x + 5, anchor_y + 24, string.format("% 7.1f", readFloat(y, true)));
			drawText(anchor_x + 6, anchor_y + 37, string.format("% 7.1f", readFloat(z, true)), "BLACK");
			drawText(anchor_x + 5, anchor_y + 36, string.format("% 7.1f", readFloat(z, true)));
			
			anchor_y	= anchor_y + 54;
			
			pointer 	= readDWord(pointer - 0x80000000 + 0x0000012C);
		else
			break;
		end
		
	end
end

-- Core Loop
while true do
		
	-- Call Display Function if the pointer is not null.
	if (readDWord(explosive_pointer) ~= 0x00000000) then
		explosivesPositionsDisplay();
	end
	
	emu.frameadvance()
		
end