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Code Issues Releases Activity

Handle ObjectInfo via pointer to avoid expensive copy.

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This commit is contained in:
DjWarmonger 2016-08-11 10:49:19 +02:00
parent 19ea46a6d2
commit 452027cd8d
1 changed files with 4 additions and 5 deletions
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9
lib/rmg/CRmgTemplateZone.cpp
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@ -2220,7 +2220,7 @@ ObjectInfo CRmgTemplateZone::getRandomObject(CMapGenerator* gen, CTreasurePileIn
{
//int objectsVisitableFromBottom = 0; //for debug
std::vector<std::pair<ui32, ObjectInfo>> thresholds;
std::vector<std::pair<ui32, ObjectInfo*>> thresholds; //handle complex object via pointer
ui32 total = 0;
//calculate actual treasure value range based on remaining value
@ -2322,8 +2322,7 @@ ObjectInfo CRmgTemplateZone::getRandomObject(CMapGenerator* gen, CTreasurePileIn
total += oi.probability;
//FIXME: apparently this is quite expensive operation, but "reserve" doesn't improve speed
thresholds.push_back (std::make_pair (total, oi));
thresholds.push_back (std::make_pair (total, &oi));
}
}
@ -2362,11 +2361,11 @@ ObjectInfo CRmgTemplateZone::getRandomObject(CMapGenerator* gen, CTreasurePileIn
//binary search = fastest
auto it = std::lower_bound(thresholds.begin(), thresholds.end(), r,
[](const std::pair<ui32, ObjectInfo> &rhs, const int lhs)->bool
[](const std::pair<ui32, ObjectInfo*> &rhs, const int lhs)->bool
{
return rhs.first < lhs;
});
return it->second;
return *(it->second);
}
return ObjectInfo(); // unreachable