function widget:GetInfo()
  return {
    name      = "XPicons",
    desc      = "blabla",
    author    = "q",
    date      = "today",
    license   = "GNU GPL, v2 or later",
    layer     = 5,
    enabled   = false  --  loaded by default?
  }
end
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local pos          = {} -- unit position
local rect         = {} -- rectangle

for i = 1,4 do          --rectangle points
  rect[i]          = {}
end

local tex          = {} --texture coordinates

tex[1]             = {0, 0} 
tex[2]             = {0, 1}
tex[3]             = {1, 1}
tex[4]             = {1, 0}

local myAllyTeamID = Spring.GetMyAllyTeamID()

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--Speed-ups
local gl                   = gl
local IsUnitVisible        = Spring.IsUnitVisible
local GetUnitPosition      = Spring.GetUnitPosition
local GetUnitDefID         = Spring.GetUnitDefID
local GetUnitDefDimensions = Spring.GetUnitDefDimensions
local GetCameraVectors     = Spring.GetCameraVectors
local GetUnitExperience    = Spring.GetUnitExperience
local GetUnitAllyTeam      = Spring.GetUnitAllyTeam

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function widget:DrawWorld()
  local allUnits = Spring.GetAllUnits()
  for _,unitID in ipairs(allUnits) do
    if (IsUnitVisible(unitID)) then
      local allyTeamID = GetUnitAllyTeam(unitID)
      if (allyTeamID == myAllyTeamID) then
        
        local cam = Spring.GetCameraVectors()
        local unitDefID = GetUnitDefID(unitID)
        local h = GetUnitDefDimensions(unitDefID).height
        
        local xp = GetUnitExperience(unitID)
        local rank = math.min(math.floor(xp*10)+1, 11)
        
        pos[1], pos[2], pos[3] = GetUnitPosition(unitID)
        pos[2] = pos[2] + h*0.75
        
        for i = 1, 3 do  --set up the rectangle coordinates
          rect[1][i] = pos[i] + cam.up[i]*12 - cam.right[i]* 0
          rect[2][i] = pos[i] + cam.up[i]*12 + cam.right[i]*12
          rect[3][i] = pos[i] - cam.up[i]* 0 + cam.right[i]*12 
          rect[4][i] = pos[i] - cam.up[i]* 0 - cam.right[i]* 0
        end

        gl.ResetState()    
        
        gl.DepthTest(true)
        gl.Texture("LuaUI/Images/ranks/"..rank..".tga")
        

        
        gl.MatrixMode(GL.TEXTURE)
        gl.PushMatrix()
        gl.Rotate(90, 1, 0, 0)
        gl.PopMatrix()
        
        gl.MatrixMode(GL.MODELVIEW)
        gl.PushMatrix()
        gl.Translate(-15*cam.right[1], -15*cam.right[2], -15*cam.right[3])
        gl.PopMatrix()
        
        gl.BeginEnd(GL.QUADS, function()
              for i = 1, 4 do -- draw rectangle
                  gl.Vertex(rect[i][1], rect[i][2], rect[i][3])
                  gl.TexCoord(tex[i][1], tex[i][2])
              end
            end
          )

        gl.ResetState()
      end
    end
  end
end