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			42 lines
		
	
	
	
		
			1.1 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			42 lines
		
	
	
	
		
			1.1 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
#ifndef OPENMW_COMPONENTS_MISC_BUDGETMEASUREMENT_H
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#define OPENMW_COMPONENTS_MISC_BUDGETMEASUREMENT_H
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namespace Misc
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{
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class BudgetMeasurement
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{
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    std::array<float, 4> mBudgetHistory;
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    std::array<unsigned int, 4> mBudgetStepCount;
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public:
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    BudgetMeasurement(const float default_expense)
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    {
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        mBudgetHistory = {default_expense, default_expense, default_expense, default_expense};
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        mBudgetStepCount = {1, 1, 1, 1};
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    }
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    void reset(const float default_expense)
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    {
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        mBudgetHistory = {default_expense, default_expense, default_expense, default_expense};
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        mBudgetStepCount = {1, 1, 1, 1};
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    }
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    void update(double delta, unsigned int stepCount, size_t cursor)
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    {
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        mBudgetHistory[cursor%4] = delta;
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        mBudgetStepCount[cursor%4] = stepCount;
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    }
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    double get() const
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    {
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        float sum = (mBudgetHistory[0] + mBudgetHistory[1] + mBudgetHistory[2] + mBudgetHistory[3]);
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        unsigned int stepCountSum = (mBudgetStepCount[0] + mBudgetStepCount[1] + mBudgetStepCount[2] + mBudgetStepCount[3]);
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        return sum/float(stepCountSum);
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    }
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};
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}
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#endif
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