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| author | Lane Kolbly <lane@rscheme.org> | 2017-08-13 13:36:22 +0200 |
|---|---|---|
| committer | Tiger Wang <ziwei.tiger@outlook.com> | 2017-08-13 13:36:22 +0200 |
| commit | 62bc951474b190f4d22012708d59cf010310b9e7 (patch) | |
| tree | f3ff76acd74e3cbb6f19c5d78ebe5050823c1a4f /src | |
| parent | Rename docs folder to dev-docs (#3898) (diff) | |
| download | cuberite-62bc951474b190f4d22012708d59cf010310b9e7.tar cuberite-62bc951474b190f4d22012708d59cf010310b9e7.tar.gz cuberite-62bc951474b190f4d22012708d59cf010310b9e7.tar.bz2 cuberite-62bc951474b190f4d22012708d59cf010310b9e7.tar.lz cuberite-62bc951474b190f4d22012708d59cf010310b9e7.tar.xz cuberite-62bc951474b190f4d22012708d59cf010310b9e7.tar.zst cuberite-62bc951474b190f4d22012708d59cf010310b9e7.zip | |
Diffstat (limited to 'src')
| -rw-r--r-- | src/Cuboid.cpp | 31 | ||||
| -rw-r--r-- | src/Cuboid.h | 24 |
2 files changed, 23 insertions, 32 deletions
diff --git a/src/Cuboid.cpp b/src/Cuboid.cpp index 1aa1e92e1..ac9537a8b 100644 --- a/src/Cuboid.cpp +++ b/src/Cuboid.cpp @@ -7,20 +7,6 @@ -/** Returns true if the two specified intervals have a non-empty union */ -static bool DoIntervalsIntersect(int a_Min1, int a_Max1, int a_Min2, int a_Max2) -{ - return ( - ((a_Min1 >= a_Min2) && (a_Min1 <= a_Max2)) || // Start of first interval is within the second interval - ((a_Max1 >= a_Min2) && (a_Max1 <= a_Max2)) || // End of first interval is within the second interval - ((a_Min2 >= a_Min1) && (a_Min2 <= a_Max1)) // Start of second interval is within the first interval - ); -} - - - - - //////////////////////////////////////////////////////////////////////////////// // cCuboid: @@ -95,23 +81,6 @@ int cCuboid::GetVolume(void) const -bool cCuboid::DoesIntersect(const cCuboid & a_Other) const -{ - ASSERT(IsSorted()); - ASSERT(a_Other.IsSorted()); - - // In order for cuboids to intersect, each of their coord intervals need to intersect - return ( - DoIntervalsIntersect(p1.x, p2.x, a_Other.p1.x, a_Other.p2.x) && - DoIntervalsIntersect(p1.y, p2.y, a_Other.p1.y, a_Other.p2.y) && - DoIntervalsIntersect(p1.z, p2.z, a_Other.p1.z, a_Other.p2.z) - ); -} - - - - - bool cCuboid::IsCompletelyInside(const cCuboid & a_Outer) const { ASSERT(IsSorted()); diff --git a/src/Cuboid.h b/src/Cuboid.h index 3ade5bc20..ae4fed538 100644 --- a/src/Cuboid.h +++ b/src/Cuboid.h @@ -40,7 +40,18 @@ public: /** Returns true if the cuboids have at least one voxel in common. Both coords are considered inclusive. Assumes both cuboids are sorted. */ - bool DoesIntersect(const cCuboid & a_Other) const; + inline bool DoesIntersect(const cCuboid & a_Other) const + { + ASSERT(IsSorted()); + ASSERT(a_Other.IsSorted()); + + // In order for cuboids to intersect, each of their coord intervals need to intersect + return ( + DoIntervalsIntersect(p1.x, p2.x, a_Other.p1.x, a_Other.p2.x) && + DoIntervalsIntersect(p1.y, p2.y, a_Other.p1.y, a_Other.p2.y) && + DoIntervalsIntersect(p1.z, p2.z, a_Other.p1.z, a_Other.p2.z) + ); + } bool IsInside(const Vector3i & v) const { @@ -95,6 +106,17 @@ public: /** If needed, expands the cuboid so that it contains the specified point. Assumes sorted. Doesn't contract. */ void Engulf(const Vector3i & a_Point); + +private: + + /** Returns true if the two specified intervals have a non-empty union */ + inline static bool DoIntervalsIntersect(int a_Min1, int a_Max1, int a_Min2, int a_Max2) + { + ASSERT(a_Min1 <= a_Max1); + ASSERT(a_Min2 <= a_Max2); + return ((a_Min1 <= a_Max2) && (a_Max1 >= a_Min2)); + } + } ; // tolua_end |