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pass parameters as const &

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dteviot 2015-08-04 18:14:36 +12:00
parent 7644a46ded
commit 21e249cb92
2 changed files with 6 additions and 6 deletions
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8
apps/openmw/mwmechanics/pathfinding.cpp
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@ -87,14 +87,14 @@ namespace
namespace MWMechanics
{
float sqrDistanceIgnoreZ(ESM::Pathgrid::Point point, float x, float y)
float sqrDistanceIgnoreZ(const ESM::Pathgrid::Point& point, float x, float y)
{
x -= point.mX;
y -= point.mY;
return (x * x + y * y);
}
float distance(ESM::Pathgrid::Point point, float x, float y, float z)
float distance(const ESM::Pathgrid::Point& point, float x, float y, float z)
{
x -= point.mX;
y -= point.mY;
@ -102,7 +102,7 @@ namespace MWMechanics
return sqrt(x * x + y * y + z * z);
}
float distance(ESM::Pathgrid::Point a, ESM::Pathgrid::Point b)
float distance(const ESM::Pathgrid::Point& a, const ESM::Pathgrid::Point& b)
{
float x = static_cast<float>(a.mX - b.mX);
float y = static_cast<float>(a.mY - b.mY);
@ -272,7 +272,7 @@ namespace MWMechanics
if(mPath.empty())
return true;
ESM::Pathgrid::Point nextPoint = *mPath.begin();
const ESM::Pathgrid::Point& nextPoint = *mPath.begin();
if (sqrDistanceIgnoreZ(nextPoint, x, y) < tolerance*tolerance)
{
mPath.pop_front();

4
apps/openmw/mwmechanics/pathfinding.hpp
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@ -12,8 +12,8 @@ namespace MWWorld
namespace MWMechanics
{
float distance(ESM::Pathgrid::Point point, float x, float y, float);
float distance(ESM::Pathgrid::Point a, ESM::Pathgrid::Point b);
float distance(const ESM::Pathgrid::Point& point, float x, float y, float);
float distance(const ESM::Pathgrid::Point& a, const ESM::Pathgrid::Point& b);
class PathFinder
{
public: