mirror of
https://github.com/zeldaret/st
synced 2026-05-23 15:01:41 -04:00
Yanis
30 lines
614 B
C++
30 lines
614 B
C++
#pragma once
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#include "global.h"
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#include "types.h"
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struct Random {
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/* 00 */ u64 mRandomValue;
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/* 08 */ u64 mFactor;
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/* 10 */ u64 mAddend;
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/* 18 */
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/**
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* Generate a random number from 0 (inclusive) to `max` (exclusive)
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*/
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u32 Next(u64 min, u64 max) {
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mRandomValue = mAddend + mFactor * mRandomValue;
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u64 result;
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if ((max - min) == 0x100000000) {
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result = mRandomValue;
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} else {
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result = (mRandomValue >> 32) * (max - min);
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}
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return (result >> 32) + min;
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}
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void Init();
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};
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extern Random gRandom;
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