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