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(svn r11175) -Codechange: sort the NewGRFs by name, making searching a specific NewGRF a lot easier.

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rubidium 2007-09-27 20:39:46 +00:00
parent 8564e12554
commit 02d23c2776
1 changed files with 37 additions and 0 deletions
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37
src/newgrf_config.cpp
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@ -371,6 +371,21 @@ static uint ScanTar(TarFileList::iterator tar)
return num;
}
/**
* Simple sorter for GRFS
* @param p1 the first GRFConfig *
* @param p2 the second GRFConfig *
* @return the same strcmp would return for the name of the NewGRF.
*/
static int GRFSorter(const void *p1, const void *p2)
{
const GRFConfig *c1 = *(const GRFConfig **)p1;
const GRFConfig *c2 = *(const GRFConfig **)p2;
return strcmp(c1->name != NULL ? c1->name : c1->filename,
c2->name != NULL ? c2->name : c2->filename);
}
/* Scan for all NewGRFs */
void ScanNewGRFFiles()
{
@ -389,7 +404,29 @@ void ScanNewGRFFiles()
FOR_ALL_TARS(tar) {
num += ScanTar(tar);
}
DEBUG(grf, 1, "Scan complete, found %d files", num);
/* Sort the linked list using quicksort.
* For that we first have to make an array, the qsort and
* then remake the linked list. */
GRFConfig **to_sort = MallocT<GRFConfig*>(num);
if (to_sort == NULL) return; // No memory, then don't sort
uint i = 0;
for (GRFConfig *p = _all_grfs; p != NULL; p = p->next, i++) {
to_sort[i] = p;
}
/* Number of files is not necessarily right */
num = i;
qsort(to_sort, num, sizeof(GRFConfig*), GRFSorter);
for (i = 1; i < num; i++) {
to_sort[i - 1]->next = to_sort[i];
}
to_sort[num - 1]->next = NULL;
_all_grfs = to_sort[0];
}