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(svn r13249) -Fix [FS#2039]: make industry sorting by transported percentage more consistent

This commit is contained in:
smatz 2008-05-25 17:26:16 +00:00
parent 56f78e6412
commit 31a266b5b3
1 changed files with 29 additions and 24 deletions
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53
src/industry_gui.cpp
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@ -721,6 +721,34 @@ static char _bufcache[96];
static const Industry* _last_industry;
static int _internal_sort_order;
/** Returns percents of cargo transported if industry produces this cargo, else -1
* @param i industry to check
* @param id cargo slot
* @return percents of cargo transported, or -1 if industry doesn't use this cargo slot
*/
static inline int GetCargoTransportedPercentsIfValid(const Industry *i, uint id)
{
assert(id < lengthof(i->produced_cargo));
if (i->produced_cargo[id] == CT_INVALID) return 101;
return i->last_month_pct_transported[id] * 100 >> 8;
}
/** Returns value representing industry's transported cargo
* percentage for industry sorting
* @param i industry to check
* @return value used for sorting
*/
static int GetCargoTransportedSortValue(const Industry *i)
{
int p1 = GetCargoTransportedPercentsIfValid(i, 0);
int p2 = GetCargoTransportedPercentsIfValid(i, 1);
if (p1 > p2) Swap(p1, p2); // lower value has higher priority
return (p1 << 8) + p2;
}
static int CDECL GeneralIndustrySorter(const void *a, const void *b)
{
const Industry* i = *(const Industry**)a;
@ -752,30 +780,7 @@ static int CDECL GeneralIndustrySorter(const void *a, const void *b)
break;
case 3: /* Sort by transported fraction */
if (i->produced_cargo[0] == CT_INVALID) {
r = (j->produced_cargo[0] == CT_INVALID ? 0 : -1);
} else {
if (j->produced_cargo[0] == CT_INVALID) {
r = 1;
} else {
int pi;
int pj;
pi = i->last_month_pct_transported[0] * 100 >> 8;
if (i->produced_cargo[1] != CT_INVALID) {
int p = i->last_month_pct_transported[1] * 100 >> 8;
if (p < pi) pi = p;
}
pj = j->last_month_pct_transported[0] * 100 >> 8;
if (j->produced_cargo[1] != CT_INVALID) {
int p = j->last_month_pct_transported[1] * 100 >> 8;
if (p < pj) pj = p;
}
r = pi - pj;
}
}
r = GetCargoTransportedSortValue(i) - GetCargoTransportedSortValue(j);
break;
}