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reorder vissprites, so that objects with higher map indices appear in front (#1165)

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* fix stable vissprites sorting

* add comment
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Fabian Greffrath 2023-08-07 18:21:47 +02:00 committed by GitHub
parent 6aed7bf13b
commit 7202ffa754
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1 changed files with 4 additions and 2 deletions
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src/r_things.c
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@ -917,10 +917,12 @@ static void msort(vissprite_t **s, vissprite_t **t, int n)
for (i = 1; i < n; i++)
{
vissprite_t *temp = s[i];
if (s[i-1]->scale < temp->scale)
// [FG] change '<' to '<=' here and below, so that vissprites with the same scale
// are reordered, so that the object with the higher map index appears in front
if (s[i-1]->scale <= temp->scale)
{
int j = i;
while ((s[j] = s[j-1])->scale < temp->scale && --j);
while ((s[j] = s[j-1])->scale <= temp->scale && --j);
s[j] = temp;
}
}