GE Lua Documentation

checkRoadblock

Definition

-- @/lua/ge/extensions/gameplay/police.lua:27

local function checkRoadblock(vehIds, rbWidth, useLength) -- checks how many of the input vehicles can fit in a roadblock
  -- useLength can be nil
  if type(vehIds) ~= 'table' then return end
  rbWidth = rbWidth or 10 -- maximum roadblock width

  local validVehIds = {}
  local temp = {}
  local totalLength = 0

  for _, id in ipairs(vehIds) do
    local veh = getObjectByID(id)
    if veh then
      local length
      if useLength == nil then
        length = max(veh.initialNodePosBB:getExtents().x, veh.initialNodePosBB:getExtents().y) -- automatically uses best axis
      else
        length = useLength and veh.initialNodePosBB:getExtents().y or veh.initialNodePosBB:getExtents().x
      end
      table.insert(temp, {id, length})
    end

    table.sort(temp, function(a, b) return a[2] < b[2] end) -- smallest to largest length
  end

  for _, v in ipairs(temp) do
    rbWidth = rbWidth - v[2]

    if rbWidth < 0 then break end
    totalLength = totalLength + v[2]
    table.insert(validVehIds, v[1])
  end

  return validVehIds, totalLength
end

Callers

                  local rbWidth = math.min(mapNodes[spawnData.n1].radius, mapNodes[spawnData.n2].radius) * 2 + 1 -- road width, plus a small margin
                  local newVehIds, totalLength = checkRoadblock(vehIds, rbWidth) -- returns vehicles that can fit in the roadblock
                  local maxPropLength = 0

                    newPropIds = checkRoadblock(policePropIds, rbWidth, false)
                    for _, pid in ipairs(newPropIds) do