local coords=require"common.coords"
local Pos = coords.Pos
local chunk = require"common.chunk"

local tau=math.pi*2

local corners = {}
for i=0,5 do
	local angle = tau*(i+0.5)/6
	local x = math.cos(angle)
	local y = math.sin(angle)
	table.insert(corners,x)
	table.insert(corners,y)
end

local function draw_hex(cpos,color,thick)
	love.graphics.push()
	love.graphics.setLineWidth(thick or 0.1)
	love.graphics.translate(cpos.x,cpos.y)
	if color then love.graphics.setColor(color) else
		love.graphics.setColor(love.math.colorFromBytes(0xe7,0x9e,0))
	end
	love.graphics.polygon("fill",corners)
	love.graphics.setColor(0,0,0)
	love.graphics.polygon("line",corners)
	love.graphics.pop()
end

local function draw_chunk(the_chunk)
	for q = 0,31 do
		for r = 0,31 do
			local t = the_chunk.tiles[chunk.index(q,r)]
			if t then
				local p = coords.Hex.make(q,r):to_pos()
				draw_hex(p)
			end
		end
	end
end

return {draw_hex=draw_hex,draw_chunk=draw_chunk}