forked from Simnation/Main
151 lines
4.1 KiB
Lua
151 lines
4.1 KiB
Lua
activePlayerPositions = {}
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-- returns a loaded vehicled with a given number plate
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function TryGetLoadedVehicle(plate, loadedVehicles)
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for i = 1, #loadedVehicles, 1 do
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if (plate == GetVehicleNumberPlateText(loadedVehicles[i]) and DoesEntityExist(loadedVehicles[i])) then
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return loadedVehicles[i]
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end
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end
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return nil
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end
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function ContainsPlate(plate, vehiclePlates)
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for i = 1, #vehiclePlates, 1 do
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if (plate == vehiclePlates[i]) then
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return true
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end
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end
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return false
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end
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-- Logs text to the server console
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function Log(text)
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if (Config.isDebug) then
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Print(GetCurrentResourceName() .. ": " .. text)
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end
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end
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-- return the distance between two positions (Vector3)
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function Vector3Dist(v1, v2)
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return math.sqrt( (v2.x - v1.x) * (v2.x - v1.x) + (v2.y - v1.y) * (v2.y - v1.y) + (v2.z - v1.z) * (v2.z - v1.z) )
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end
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-- return the distance between two positions without sqrt (Vector3)
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function Vector3DistFast(v1, v2)
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return (v2.x - v1.x) * (v2.x - v1.x) + (v2.y - v1.y) * (v2.y - v1.y) + (v2.z - v1.z) * (v2.z - v1.z)
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end
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-- returns the difference in degrees from the axis with the highest difference
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function GetRotationDifference(r1, r2)
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local x = math.abs(r1.x - r2.x)
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local y = math.abs(r1.y - r2.y)
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local z = math.abs(r1.z - r2.z)
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if (x > y and x > z) then
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return x
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elseif (y > z) then
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return y
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else
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return z
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end
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end
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-- get the amount of currently active players
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function GetActivePlayerCount()
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local playerCount = 0
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for k, v in pairs(activePlayerPositions) do
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playerCount = playerCount + 1
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end
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return playerCount
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end
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-- return the ID of the closest player
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function GetClosestPlayerId(position)
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local closestDistance = 1000000.0
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local closestPlayerID = nil
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local closestPos = nil
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for playerID, pos in pairs(activePlayerPositions) do
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local distance = Vector3DistFast(position, pos)
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if (distance < closestDistance) then
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closestDistance = distance
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closestPlayerID = playerID
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closestPos = pos
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end
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end
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local distance = nil
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if (closestPlayerID ~= nil) then
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distance = Vector3Dist(position, closestPos)
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end
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return closestPlayerID, distance
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end
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function IsAnyPlayerInsideVehicle(vehicle, playerPeds)
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for i = 1, #playerPeds, 1 do
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local veh = GetVehiclePedIsIn(playerPeds[i], false)
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if (DoesEntityExist(veh) and veh == vehicle) then
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return true
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end
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end
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return false
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end
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-- return the ped of the closest player
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function GetClosestPlayerPed(position, playerPeds)
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local closestDistance = 1000000.0
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local closestPlayerPed = nil
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local closestPos = nil
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for k, playerPed in pairs(playerPeds) do
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local pos = GetEntityCoords(playerPed)
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local distance = Vector3DistFast(position, pos)
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if (distance < closestDistance) then
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closestDistance = distance
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closestPlayerPed = playerPed
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closestPos = pos
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end
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end
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local distance = 0.0
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if (closestPlayerPed ~= nil) then
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distance = Vector3Dist(position, closestPos)
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end
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return closestPlayerPed, distance
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end
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-- returns true if a player is active on the server with the specified license
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function IsPlayerWithLicenseActive(license)
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for playerId, playerPos in pairs(activePlayerPositions) do
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if (GetPlayerIdentifiersSorted(playerId)["license"] == license) then
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return true
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end
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end
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return false
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end
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-- Return an array with all identifiers - e.g. ids["license"] = license:xxxxxxxxxxxxxxxx
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function GetPlayerIdentifiersSorted(playerServerId)
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local ids = {}
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local identifiers = GetPlayerIdentifiers(playerServerId)
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for k, identifier in pairs (identifiers) do
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local i, j = string.find(identifier, ":")
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local idType = string.sub(identifier, 1, i-1)
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ids[idType] = identifier
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end
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return ids
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end
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