build(submodules): Remove submodules + move everything at root

client/entityiter.lua

@@ -0,0 +1,79 @@
+--[[The MIT License (MIT)
+
+Copyright (c) 2017 IllidanS4
+
+Permission is hereby granted, free of charge, to any person
+obtaining a copy of this software and associated documentation
+files (the "Software"), to deal in the Software without
+restriction, including without limitation the rights to use,
+copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the
+Software is furnished to do so, subject to the following
+conditions:
+
+The above copyright notice and this permission notice shall be
+included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
+OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
+HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
+WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+OTHER DEALINGS IN THE SOFTWARE.
+]]
+
+local entityEnumerator = {
+  __gc = function(enum)
+    if enum.destructor and enum.handle then
+      enum.destructor(enum.handle)
+    end
+    enum.destructor = nil
+    enum.handle = nil
+  end
+}
+
+local function EnumerateEntities(initFunc, moveFunc, disposeFunc)
+  return coroutine.wrap(function()
+    local iter, id = initFunc()
+    if not id or id == 0 then
+      disposeFunc(iter)
+      return
+    end
+
+    local enum = {handle = iter, destructor = disposeFunc}
+    setmetatable(enum, entityEnumerator)
+
+    local next = true
+    repeat
+      coroutine.yield(id)
+      next, id = moveFunc(iter)
+    until not next
+
+    enum.destructor, enum.handle = nil, nil
+    disposeFunc(iter)
+  end)
+end
+
+function EnumerateObjects()
+  return EnumerateEntities(FindFirstObject, FindNextObject, EndFindObject)
+end
+
+function EnumeratePeds()
+  return EnumerateEntities(FindFirstPed, FindNextPed, EndFindPed)
+end
+
+function EnumerateVehicles()
+  return EnumerateEntities(FindFirstVehicle, FindNextVehicle, EndFindVehicle)
+end
+
+function EnumeratePickups()
+  return EnumerateEntities(FindFirstPickup, FindNextPickup, EndFindPickup)
+end
+
+--[[Usage:
+for ped in EnumeratePeds() do
+  <do something with 'ped'>
+end
+]]