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70 lines
1.9 KiB
70 lines
1.9 KiB
2 years ago
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local _, addon = ...
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local queue = {}
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local function iterateQueue()
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for _, info in next, queue do
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if info.callback then
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info.callback(unpack(info.args))
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elseif info.object then
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info.object[info.method](unpack(info.args))
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end
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end
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table.wipe(queue)
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return true -- unregister itself
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end
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local function deferFunction(callback, ...)
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if InCombatLockdown() then
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table.insert(queue, {
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callback = callback,
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args = {...},
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})
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if not addon:IsEventRegistered('PLAYER_REGEN_ENABLED', iterateQueue) then
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addon:RegisterEvent('PLAYER_REGEN_ENABLED', iterateQueue)
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end
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else
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callback(...)
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end
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end
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local function deferGlobalFunction(func, ...)
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deferFunction(_G[func], ...)
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end
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local function deferMethod(object, method, ...)
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if InCombatLockdown() then
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table.insert(queue, {
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object = object,
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method = method,
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args = {...},
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})
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if not addon:IsEventRegistered('PLAYER_REGEN_ENABLED', iterateQueue) then
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addon:RegisterEvent('PLAYER_REGEN_ENABLED', iterateQueue)
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end
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else
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object[method](...)
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end
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end
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-- defer execution until after combat, or immediately if not in combat
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-- usage: addon:Defer(callback, arg1[, ...])
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-- addon:Defer(object, 'method'[, arg1[, ...]])
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function addon:Defer(...)
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if type(select(1, ...)) == 'table' then
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assert(type(select(2, ...)) == 'string', 'arg2 must be the name of a method')
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assert(type(select(1, ...)[select(2, ...)]) == 'function', 'arg2 must be the name of a method')
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deferMethod(...)
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elseif type(select(1, ...)) == 'function' then
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assert(type(select(1, ...)) == 'function', 'arg1 must be a function')
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deferFunction(...)
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elseif type(select(1, ...)) == 'string' and type(_G[select(1, ...)]) == 'function' then
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assert(type(_G[select(1, ...)]) == 'function', 'arg1 must be a function')
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deferGlobalFunction(...)
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else
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error('Invalid arguments passed to Defer')
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end
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end
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