69 lines
No EOL
1.9 KiB
Lua
69 lines
No EOL
1.9 KiB
Lua
-- whitelist c2s events
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RegisterServerEvent('hostingSession')
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RegisterServerEvent('hostedSession')
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-- event handler for pre-session 'acquire'
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local currentHosting
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local hostReleaseCallbacks = {}
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-- TODO: add a timeout for the hosting lock to be held
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-- TODO: add checks for 'fraudulent' conflict cases of hosting attempts (typically whenever the host can not be reached)
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AddEventHandler('hostingSession', function()
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-- if the lock is currently held, tell the client to await further instruction
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if currentHosting then
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TriggerClientEvent('sessionHostResult', source, 'wait')
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-- register a callback for when the lock is freed
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table.insert(hostReleaseCallbacks, function()
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TriggerClientEvent('sessionHostResult', source, 'free')
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end)
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return
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end
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-- if the current host was last contacted less than a second ago
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if GetHostId() then
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if GetPlayerLastMsg(GetHostId()) < 1000 then
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TriggerClientEvent('sessionHostResult', source, 'conflict')
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return
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end
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end
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hostReleaseCallbacks = {}
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currentHosting = source
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TriggerClientEvent('sessionHostResult', source, 'go')
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-- set a timeout of 5 seconds
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SetTimeout(5000, function()
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if not currentHosting then
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return
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end
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currentHosting = nil
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for _, cb in ipairs(hostReleaseCallbacks) do
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cb()
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end
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end)
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end)
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AddEventHandler('hostedSession', function()
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-- check if the client is the original locker
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if currentHosting ~= source then
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-- TODO: drop client as they're clearly lying
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print(currentHosting, '~=', source)
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return
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end
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-- free the host lock (call callbacks and remove the lock value)
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for _, cb in ipairs(hostReleaseCallbacks) do
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cb()
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end
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currentHosting = nil
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end)
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EnableEnhancedHostSupport(true) |