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function gadget:GetInfo()
  return {
    name      = "NoStartPointStealing",
    desc      = "Prevents start point spam / stealing",
    author    = "TheFatController",
    date      = "Jan 18, 2009",
    license   = "GNU GPL, v2 or later",
    layer     = 0,
    enabled   = true  --  loaded by default?
  }
end

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if (not gadgetHandler:IsSyncedCode()) then

local startPoints = {}
local BLOCK_TIME = 2.5
local BLOCK_RANGE = 430

local function getDistance(x1,z1,x2,z2)
  local dx,dz = x1-x2,z1-z2
  return math.sqrt((dx*dx)+(dz*dz))
end

function gadget:GameStart()
  gadgetHandler:RemoveGadget()
  return
end

function gadget:MapDrawCmd(playerID, cmdType, px, py, pz, label)
  if (cmdType ~= "point") then return end
  startPoints[playerID] = {time = Spring.GetTimer(), x=px, z=pz}
end

function gadget:MousePress(x, y, button)
  if button==1 then
    local _,coords = Spring.TraceScreenRay(x,y,true,true)
    local dx,dz = coords[1],coords[3]
    if dx and dz then
      for playerID,defs in pairs(startPoints) do
        if (Spring.DiffTimers(Spring.GetTimer(), defs.time) > BLOCK_TIME) then
          startPoints[playerID] = nil
        elseif (getDistance(dx,dz,defs.x,defs.z) < BLOCK_RANGE) then
          return true
        end
      end
    end
  end
  return false
end

function gadget:MouseRelease(x, y, button)
  return false
end

end