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ADDED: LoadRandomSequence()/UnloadRandomSequence()

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Ray
2023-11-03 20:21:43 +01:00
parent 5da0074fed
commit 2d1b211920
3 changed files with 69 additions and 16 deletions
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52
src/rcore.c
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@ -1677,7 +1677,7 @@ void SetRandomSeed(unsigned int seed)
#endif
}
// Get a random value between min and max (both included)
// Get a random value between min and max included
int GetRandomValue(int min, int max)
{
int value = 0;
@ -1695,6 +1695,7 @@ int GetRandomValue(int min, int max)
// WARNING: Ranges higher than RAND_MAX will return invalid results
// More specifically, if (max - min) > INT_MAX there will be an overflow,
// and otherwise if (max - min) > RAND_MAX the random value will incorrectly never exceed a certain threshold
// NOTE: Depending on the library it can be as low as 32767
if ((unsigned int)(max - min) > (unsigned int)RAND_MAX)
{
TRACELOG(LOG_WARNING, "Invalid GetRandomValue() arguments, range should not be higher than %i", RAND_MAX);
@ -1705,6 +1706,55 @@ int GetRandomValue(int min, int max)
return value;
}
// Load random values sequence, no values repeated, min and max included
int *LoadRandomSequence(unsigned int count, int min, int max)
{
int *values = NULL;
#if defined(SUPPORT_RPRAND_GENERATOR)
rprand_load_sequence(count, min, max);
#else
if (count > (abs(max - min) + 1)) return values;
values = (int *)RL_CALLOC(count, sizeof(int));
int value = 0;
bool dupValue = false;
for (int i = 0; i < count;)
{
value = (rand()%(abs(max - min) + 1) + min);
dupValue = false;
for (int j = 0; j < i; j++)
{
if (values[j] == value)
{
dupValue = true;
break;
}
}
if (!dupValue)
{
values[i] = value;
i++;
}
}
#endif
return values;
}
// Unload random values sequence
void UnloadRandomSequence(int *sequence)
{
#if defined(SUPPORT_RPRAND_GENERATOR)
rprand_unload_sequence(sequence);
#else
RL_FREE(sequence);
#endif
}
// Takes a screenshot of current screen (saved a .png)
void TakeScreenshot(const char *fileName)
{