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local coords=require"common.coords"
local Pos = coords.Pos
local chunk = require"common.chunk"
local CHUNK_SIZE = require"common.constants".CHUNK_SIZE
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)
-- love.graphics.push()
-- love.graphics.setLineWidth(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 c(...) return {love.math.colorFromBytes(...)} end
-- taken from breadquest
local colors = {
c(255,64,64), -- red
c(255,128,0), -- orange
c(192,192,64), -- yellow
c(0,192,0), -- green
c(0,192,192), -- teal
c(64,64,255), -- blue
c(192,0,192), -- purple
c(128,128,128), -- grey
}
-- precompute sins and cosines
local _coss,_sins = {},{}
for i=0,5 do
local angle = tau*(i+0.5)/6
_coss[i+1] = math.cos(angle)
_sins[i+1] = math.sin(angle)
end
local zthr0 = 2.7
local zthr1 = 6
local _corners = {}
local function draw_hex(cpos,color,zoom)
local cx,cy = cpos.x,cpos.y
for i=1,6 do
local x = cx + _coss[i]
local y = cy + _sins[i]
_corners[2*i-1] = x
_corners[2*i ] = y
end
-- love.graphics.setColor(love.math.colorFromBytes(0xe7,0x9e,0))
love.graphics.setColor(color or {0.91,0.62,0})
love.graphics.polygon("fill",_corners)
if zoom > zthr0 then
love.graphics.setLineWidth(0.1)
love.graphics.setColor(0,0,0,zoom>zthr1 and 1 or (zoom-zthr0)/(zthr1-zthr0))
love.graphics.polygon("line",_corners)
end
end
local function draw_map(camera,map)
local tl,br = camera:extents()
local tlh,brh = tl:to_hex():round(), br:to_hex():round()
local trh = coords.Pos:make(br.x,tl.y):to_hex():round()
local _h = coords.Hex:new()
local _p = coords.Pos:new()
for r = tlh.r-1,brh.r+1 do
local rowidx = r-tlh.r
local minq = tlh.q - math.floor((rowidx+1)/2)
local maxq = minq+(trh.q-tlh.q)+1
for q = minq,maxq do
-- local h = coords.Hex:make(q,r)
_h:init(q,r)
_h:to_pos(_p)
local t = map:at(_h)
if type(t) == "number" then
draw_hex(_p,colors[t],camera.zoom)
elseif t then
draw_hex(_p,nil,camera.zoom)
end
end
end
if false and _G.debugmode then
love.graphics.setColor(0,1,0)
local function p(q,r) return coords.Hex:make(q,r):to_pos() end
local h = CHUNK_SIZE-0.5
local c00 = p(-0.5,-0.5)
local c01 = p(-0.5,h)
local c10 = p(h,-0.5)
local c11 = p(h,h)
love.graphics.polygon("line",
c00.x,c00.y, c01.x,c01.y, c11.x,c11.y, c10.x, c10.y)
end
end
return {draw_hex=draw_hex,draw_map=draw_map}
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