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Merge pull request #94 from Nel-S/patch-1

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Refactor findFittest as nested for loop
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Cubitect 2023-02-17 18:45:23 +01:00 committed by GitHub
commit 1585006467
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1 changed files with 16 additions and 19 deletions
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17
finders.c
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@ -727,29 +727,26 @@ uint64_t getSpawnDist(const Generator *g, int x, int z)
static
void findFittest(const Generator *g, Pos *pos, uint64_t *fitness, double maxrad, double step)
{
double rad = step, ang = 0;
Pos p = *pos;
while (rad <= maxrad)
for (double rad = step; rad <= maxrad; rad += step)
{
for (double ang = 0; ang <= PI*2; ang += step/rad)
{
int x = p.x + (int)(sin(ang) * rad);
int z = p.z + (int)(cos(ang) * rad);
// calc fitness
// Calcuate portion of fitness dependent on distance from origin
double d = ((double)x*x + (double)z*z) / (2500*2500);
uint64_t fit = (uint64_t)(d*d * 1e8);
// calculate the distance to the noise points for spawn
// Calculate portion of fitness dependent on climate values
fit += getSpawnDist(g, x, z);
// Then updates pos and fitness if combined total is lower ( = better) than previous best fitness
if (fit < *fitness)
{
pos->x = x;
pos->z = z;
*fitness = fit;
}
ang += step / rad;
if (ang <= PI*2)
continue;
ang = 0;
rad += step;
}
}
}