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#ifndef _GOOMTOOLS_H
#define _GOOMTOOLS_H
#include "goom_config.h"
/**
* Random number generator wrapper for faster random number.
*/
#define GOOM_NB_RAND 0x10000
typedef struct _GOOM_RANDOM {
int array[GOOM_NB_RAND];
unsigned short pos;
} GoomRandom;
GoomRandom *goom_random_init(int i);
void goom_random_free(GoomRandom *grandom);
inline static int goom_random(GoomRandom *grandom) {
grandom->pos++; /* works because pos is an unsigned short */
return grandom->array[grandom->pos];
}
inline static int goom_irand(GoomRandom *grandom, int i) {
grandom->pos++;
return grandom->array[grandom->pos] % i;
}
/* called to change the specified number of value in the array, so that the array does not remain the same*/
void goom_random_update_array(GoomRandom *grandom, int numberOfValuesToChange);
#endif
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