GE Lua Documentation

updateDrivabilities

Definition

-- @/lua/ge/map.lua:3547

local function updateDrivabilities(changeSet)
  -- Dynamically Change edge Drivability for the Navgraph
  -- changeSet format {nodeA1, nodeB1, drivability1, nodeA2, nodeB2, drivability2, ...}
  if #changeSet % 3 ~= 0 then return end

  local hasChanged = false
  local graph = gp.graph
  for i = 1, #changeSet, 3 do
    if graph[changeSet[i]] then
      local edge = graph[changeSet[i]][changeSet[i+1]]
      local newDrivability = max(1e-30, changeSet[i+2])
      if edge and edge.drivability ~= newDrivability then
        edge.len = max(0, (edge.len - edge.gated) * edge.drivability / newDrivability + edge.gated)
        edge.drivability = newDrivability
        hasChanged = true
      end
    end
  end

  if hasChanged then -- send data if there is at least one change
    be:sendToMailbox("updateDrivabilities", lpack.encodeBinWorkBuffer(changeSet)) -- mailbox is cleared when map is loaded
    for objId, _ in pairs(M.objects) do
      be:queueObjectLua(objId, "mapmgr.updateDrivabilities()")
    end
  end
end

Callers

local function updateDrivabilities()
  -- Dynamically Change edge Drivability for the Navgraph

  mapData:import(_map.graphData)
  updateDrivabilities()
  M.mapData = mapData

    for objId, _ in pairs(M.objects) do
      be:queueObjectLua(objId, "mapmgr.updateDrivabilities()")
    end