-- title:  isoshit
-- author: pixelbath
-- desc:   isometric stuff
-- script: lua

t=0

p = {
	x = 10,
	y = 10,
	spr = 0,
}

skeleton = {
	spr = 256,
	x = 3, y = 4,
}

map = {
	{ 2, 0, 0, 0, 0, 0, 0, 0 },
	{ 0, 0, 0, 0, 0, 0, 0, 0 },
	{ 0, 0, 0, 0, 0, 0, 0, 0 },
	{ 0, 0, 0, 0, 0, 0, 0, 0 },
	{ 0, 0, 0, 0, 0, 0, 0, 0 },
	{ 0, 0, 0, 0, 0, 0, 0, 0 },
	{ 0, 0, 0, 0, 0, 0, 0, 0 },
	{ 0, 0, 0, 0, 0, 0, 0, 0 },
}


function handle_mouse()
	mx, my, pl, pm, pr = mouse()

end

function map2screen(mapx, mapy)
	return (mapx-mapy-1) * 8 - p.x, (mapx+mapy-1) * 4 - p.y
end

function update()
	for ky,yt in pairs(map) do
		for kx,xt in pairs(yt) do
			xtile, ytile = map2screen(kx, ky)
			spr(map[kx][ky], xtile, ytile, 0, 1, 0, 0, 2, 1)
		end
	end
end

function TIC()
	cls(0)

	if (btn(0)) then p.y = p.y - 1 end
	if (btn(1)) then p.y = p.y + 1 end
	if (btn(2)) then p.x = p.x - 1 end
	if (btn(3)) then p.x = p.x + 1 end
	
	-- draw tiles
	local xtile = 0
	local ytile = 0

	update()
	t=t+1
end

-- <TILES>
-- 000:0000006600006666006666666666666600666666000066660000006600000000
-- 001:6600000066660000666666006666666666666600666600006600000000000000
-- 002:000000ee0000eeee00eeeeeeeeeeeeee00eeeeee0000eeee000000ee00000000
-- 003:ee000000eeee0000eeeeee00eeeeeeeeeeeeee00eeee0000ee00000000000000
-- </TILES>

-- <SPRITES>
-- 000:0000000c000000cc000000cc000000cc00000c0c000000cc0000000c0000000c
-- 001:0000000000000000c0000000ccc00000c00000000000000000000000c0000000
-- 016:000000cc000000c0000000c0000000c0000000c0000000c00000000000000000
-- 017:c0000000c0000000c0000000cc0000000c000000000000000000000000000000
-- </SPRITES>

-- <WAVES>
-- 000:00000000ffffffff00000000ffffffff
-- 001:0123456789abcdeffedcba9876543210
-- 002:0123456789abcdef0123456789abcdef
-- </WAVES>

-- <SFX>
-- 000:000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000304000000000
-- </SFX>

-- <PALETTE>
-- 000:1a1c2c5d275db13e53ef7d57ffcd75a7f07038b76425717929366f3b5dc941a6f673eff7f4f4f494b0c2566c86333c57
-- </PALETTE>