OpenSpace/data/assets/util/generate_bookmarks.asset

local assetHelper = asset.require('util/asset_helper')

local getBookmarks = function (guiPath, bookmarkfile)
  local genBookmarks = {};
  local notFirstLine = false;
  local PARSEC_CONSTANT = 3.0856776E16;
  for line in io.lines(openspace.absPath(bookmarkfile)) do
      if (notFirstLine) then
        local matchstring = '(.-),(.-),(.-),(.-),(.-),(.-),(.-),(.-),(.-),(.-),(.-)$'
        local group, name, globe, lat, lon, altitude, x, y, z, scale, linewidth = line:match(matchstring)

        scale = (scale == '' and 75000 or scale)
        linewidth = (linewidth == '' and 2.0 or tonumber(linewidth))
        group = (group == '' and globe or group)

        local parent = (globe == '' and 'Root' or globe)

        local sgn = {
          Identifier = guiPath .. '-' .. name,
          Parent = parent,
          Transform = {
              Scale = {
                  Type = 'StaticScale',
                  Scale = tonumber(scale);
              }, 
              Rotation = {
                Type = "StaticRotation",
                Rotation = {
                    -0.05487554,  0.4941095, -0.8676661,
                    -0.9938214 , -0.1109906, -0.0003515167,
                    -0.09647644,  0.8622859,  0.4971472
                }
            }
          },
          Renderable = {
              Type = 'RenderableSphericalGrid',
              Enabled = false,
              Opacity = 0.3,
              GridColor = { 0.3, 0.84, 1.0},
              LineWidth = linewidth
          },
          GUI = {
              Name = name,
              Path = '/' .. guiPath
          }
        }

        if (group ~= '') then
          sgn.GUI.Path  = sgn.GUI.Path .. '/' .. group
        end

        if (globe == '') then
          sgn.Transform.Translation = {
            Type = 'StaticTranslation',
            Position = {
              tonumber(x) * PARSEC_CONSTANT,
              tonumber(y) * PARSEC_CONSTANT,
              tonumber(z) * PARSEC_CONSTANT
            }
          }
        else
          sgn.Transform.Translation = {
              Type = 'GlobeTranslation',
              Globe = globe,
              Latitude = tonumber(lat),
              Longitude = tonumber(lon)
          }
          if (altitude == nil) then
              sgn.Transform.Translation.UseHeightMap = true;
          else 
              sgn.Transform.Translation.UseHeightMap = false;
              sgn.Transform.Translation.Altitude = tonumber(altitude);
          end
        end

        table.insert(genBookmarks, sgn);
      else
        notFirstLine = true
      end
  end
  return genBookmarks
end

asset.export('getBookmarks', getBookmarks)