diff options
Diffstat (limited to 'src/BoundingBox.cpp')
| -rw-r--r-- | src/BoundingBox.cpp | 52 |
1 files changed, 35 insertions, 17 deletions
diff --git a/src/BoundingBox.cpp b/src/BoundingBox.cpp index d0943d42a..482f9923f 100644 --- a/src/BoundingBox.cpp +++ b/src/BoundingBox.cpp @@ -1,4 +1,3 @@ - // BoundingBox.cpp // Implements the cBoundingBox class representing an axis-aligned bounding box with floatingpoint coords @@ -11,41 +10,60 @@ -#if 0 +#ifdef SELF_TEST -/// A simple self-test that is executed on program start, used to verify bbox functionality -class SelfTest +/** A simple self-test that is executed on program start, used to verify bbox functionality */ +static class SelfTest_BoundingBox { public: - SelfTest(void) + SelfTest_BoundingBox(void) { Vector3d Min(1, 1, 1); Vector3d Max(2, 2, 2); Vector3d LineDefs[] = { - Vector3d(1.5, 4, 1.5), Vector3d(1.5, 3, 1.5), // Should intersect at 2, face 1 (YP) + Vector3d(1.5, 4, 1.5), Vector3d(1.5, 3, 1.5), // Should intersect at 2, face 1 (YP) Vector3d(1.5, 0, 1.5), Vector3d(1.5, 4, 1.5), // Should intersect at 0.25, face 0 (YM) Vector3d(0, 0, 0), Vector3d(2, 2, 2), // Should intersect at 0.5, face 0, 3 or 5 (anyM) Vector3d(0.999, 0, 1.5), Vector3d(0.999, 4, 1.5), // Should not intersect Vector3d(1.999, 0, 1.5), Vector3d(1.999, 4, 1.5), // Should intersect at 0.25, face 0 (YM) Vector3d(2.001, 0, 1.5), Vector3d(2.001, 4, 1.5), // Should not intersect } ; + bool Results[] = {true, true, true, false, true, false}; + double LineCoeffs[] = {2, 0.25, 0.5, 0, 0.25, 0}; + for (size_t i = 0; i < ARRAYCOUNT(LineDefs) / 2; i++) { double LineCoeff; - char Face; + eBlockFace Face; Vector3d Line1 = LineDefs[2 * i]; Vector3d Line2 = LineDefs[2 * i + 1]; bool res = cBoundingBox::CalcLineIntersection(Min, Max, Line1, Line2, LineCoeff, Face); - printf("LineIntersection({%.02f, %.02f, %.02f}, {%.02f, %.02f, %.02f}) -> %d, %.05f, %d\n", - Line1.x, Line1.y, Line1.z, - Line2.x, Line2.y, Line2.z, - res ? 1 : 0, LineCoeff, Face - ); + if (res != Results[i]) + { + fprintf(stderr, "LineIntersection({%.02f, %.02f, %.02f}, {%.02f, %.02f, %.02f}) -> %d, %.05f, %d\n", + Line1.x, Line1.y, Line1.z, + Line2.x, Line2.y, Line2.z, + res ? 1 : 0, LineCoeff, Face + ); + abort(); + } + if (res) + { + if (LineCoeff != LineCoeffs[i]) + { + fprintf(stderr, "LineIntersection({%.02f, %.02f, %.02f}, {%.02f, %.02f, %.02f}) -> %d, %.05f, %d\n", + Line1.x, Line1.y, Line1.z, + Line2.x, Line2.y, Line2.z, + res ? 1 : 0, LineCoeff, Face + ); + abort(); + } + } } // for i - LineDefs[] - printf("BoundingBox selftest complete."); + fprintf(stderr, "BoundingBox selftest complete.\n"); } -} Test; +} gTest; #endif @@ -228,7 +246,7 @@ bool cBoundingBox::IsInside(const Vector3d & a_Min, const Vector3d & a_Max, doub -bool cBoundingBox::CalcLineIntersection(const Vector3d & a_Line1, const Vector3d & a_Line2, double & a_LineCoeff, char & a_Face) +bool cBoundingBox::CalcLineIntersection(const Vector3d & a_Line1, const Vector3d & a_Line2, double & a_LineCoeff, eBlockFace & a_Face) { return CalcLineIntersection(m_Min, m_Max, a_Line1, a_Line2, a_LineCoeff, a_Face); } @@ -237,7 +255,7 @@ bool cBoundingBox::CalcLineIntersection(const Vector3d & a_Line1, const Vector3d -bool cBoundingBox::CalcLineIntersection(const Vector3d & a_Min, const Vector3d & a_Max, const Vector3d & a_Line1, const Vector3d & a_Line2, double & a_LineCoeff, char & a_Face) +bool cBoundingBox::CalcLineIntersection(const Vector3d & a_Min, const Vector3d & a_Max, const Vector3d & a_Line1, const Vector3d & a_Line2, double & a_LineCoeff, eBlockFace & a_Face) { if (IsInside(a_Min, a_Max, a_Line1)) { @@ -247,7 +265,7 @@ bool cBoundingBox::CalcLineIntersection(const Vector3d & a_Min, const Vector3d & return true; } - char Face = BLOCK_FACE_NONE; + eBlockFace Face = BLOCK_FACE_NONE; double Coeff = Vector3d::NO_INTERSECTION; // Check each individual bbox face for intersection with the line, remember the one with the lowest coeff |