dcearth/map.lua

local lg = love.graphics
local Cities = require 'cities'
local Lines = require 'lines'
local Nodes = require 'nodes'
local Bitmap = require 'bmp'
local Camera = require 'camera'

local map = {
  coastlines = false,
  coastlinesLow = false,
  international = false,
  territory = {
    af = false,
    eu = false,
    na = false,
    ru = false,
    sa = false,
    as = false
  },
  travelnodes = false,
  sailable = false,
  aimarkers = false,
  cities = false
}

function map.load()
  map.cities = Cities.load( "data/earth/cities.dat" )
  map.coastlines = Lines.load( "data/earth/coastlines.dat" )
  map.coastlinesLow = Lines.load( "data/earth/coastlines-low.dat" )
  map.international = Lines.load( "data/earth/international.dat" )
  map.travelnodes = Nodes.load( "data/earth/travel_nodes.bmp" )
end

function map.draw()
  lg.clear( 0, 0, 0, 1 )

  do --all this stuff is drawn in world coordinates, ( -180, 180 ) x ( -100, 100 )
    
    lg.replaceTransform( Camera.tf )

    do --points
      
      lg.setColor( 1, 0, 0, 0.5 )
      lg.setPointSize( 0.5 * Camera.zoom )
      map.cities.draw()
      
      lg.setColor( 1, 1, 1.0, 0.5 )
      lg.setPointSize( 1.0 * Camera.zoom )
      map.cities.drawCapitals()
      
      lg.setColor( 1, 0, 1, 0.5 )
      map.cities.drawSelected( 22.0 / Camera.zoom )
    end

    do  --line stuff
      lg.setColor(1, 1, 1, 0.2 )
      
      lg.setLineJoin( "miter" )
      lg.setLineWidth( 0.2 / Camera.zoom )
      map.international:draw()
      
      lg.setColor(1, 1, 1, 0.5 )
      map.coastlines:draw()
      map.coastlinesLow:draw()
      
      --International Date Line
      lg.line( -180, -100, -180, 100 )
      lg.line( 180, -100, 180, 100 )
      lg.line( -180, 90, 180, 90 )
      lg.line( -180, -90, 180, -90 )
      lg.line( -180, 100, 180, 100 )
      lg.line( -180, -100, 180, -100 )
    end

  end

end

function map.save()

end

function map.hover(x, y)
  
end

return map