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43 lines
1.1 KiB
C++
43 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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