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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,48 @@ | ||
| --- Royal Utility | ||
|
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| ---@author Royal Modding | ||
| ---@version 2.1.0.0 | ||
| ---@date 26/02/2021 | ||
|
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| ---@alias Array table<integer, any> Table with numeric indexes only, always ordered and sequential | ||
|
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| --- Array utilities class built with performances in mind (with 'array' we mean tables with numeric indexes only, always ordered and sequential) | ||
| ---@class ArrayUtility | ||
| ArrayUtility = ArrayUtility or {} | ||
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| --- Remove matching elements from an array | ||
| ---@param array Array | ||
| ---@param removeFunc fun(array: Array, index: number, moveAt: number): boolean | "function(array, index, moveAt) local element = array[index] return true end" | ||
| ---@return number removedCount count of removed elements | ||
| function ArrayUtility.remove(array, removeFunc) | ||
| local removedCount = 0 | ||
| local moveAt, length = 1, #array | ||
| for index = 1, length do | ||
| if removeFunc(array, index, moveAt) then | ||
| array[index] = nil | ||
| removedCount = removedCount + 1 | ||
| else | ||
| -- move kept element's value to moveAt's position, if it's not already there | ||
| if (index ~= moveAt) then | ||
| array[moveAt] = array[index] | ||
| array[index] = nil | ||
| end | ||
| -- increment position of where we'll place the next kept value | ||
| moveAt = moveAt + 1 | ||
| end | ||
| end | ||
| return removedCount | ||
| end | ||
|
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| --- Remove element at the given index from an array | ||
| ---@param array Array | ||
| ---@param index number | ||
| ---@return Array | ||
| function ArrayUtility.removeAt(array, index) | ||
| ArrayUtility.remove( | ||
| array, | ||
| function(_, i) | ||
| return index == i | ||
| end | ||
| ) | ||
| end |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,63 @@ | ||
| --- Royal Utility | ||
|
|
||
| ---@author Royal Modding | ||
| ---@version 2.1.0.0 | ||
| ---@date 08/03/17 | ||
|
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| ---@class DelayedCallBack | ||
| DelayedCallBack = {} | ||
|
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||
| ---@param callback function | ||
| ---@param callbackObject any | ||
| ---@return DelayedCallBack | ||
| function DelayedCallBack:new(callback, callbackObject) | ||
| if DelayedCallBack_mt == nil then | ||
| DelayedCallBack_mt = Class(DelayedCallBack) | ||
| end | ||
|
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| ---@type DelayedCallBack | ||
| local dcb = setmetatable({}, DelayedCallBack_mt) | ||
| dcb.callBack = callback | ||
| dcb.callbackObject = callbackObject | ||
| dcb.callbackCalled = true | ||
| dcb.delay = 0 | ||
| dcb.timer = 0 | ||
| dcb.skipOneFrame = false | ||
| return dcb | ||
| end | ||
|
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| ---@param dt number | ||
| function DelayedCallBack:update(dt) | ||
| if not self.callbackCalled then | ||
| if not self.skipOneFrame then | ||
| self.timer = self.timer + dt | ||
| end | ||
| if self.timer >= self.delay then | ||
| self:callCallBack() | ||
| end | ||
| if self.skipOneFrame then | ||
| self.timer = self.timer + dt | ||
| end | ||
| end | ||
| end | ||
|
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| ---@param delay number | ||
| function DelayedCallBack:call(delay, ...) | ||
| self.callbackCalled = false | ||
| self.callbackParams = {...} | ||
| if delay == nil or delay == 0 then | ||
| self:callCallBack() | ||
| else | ||
| self.delay = delay | ||
| self.timer = 0 | ||
| end | ||
| end | ||
|
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| function DelayedCallBack:callCallBack() | ||
| if self.callbackObject ~= nil then | ||
| self.callBack(self.callbackObject, unpack(self.callbackParams)) | ||
| else | ||
| self.callBack(unpack(self.callbackParams)) | ||
| end | ||
| self.callbackCalled = true | ||
| end |
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