mesh_compare.h File Reference

#include <array>
#include <vector>
#include <irrlichttypes.h>
#include <S3DVertex.h>

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Typedefs
using	Triangle = std::array<video::S3DVertex, 3>
	Represents a triangle as three vertices.
using	Quad = std::array<video::S3DVertex, 4>
	Represents a quad as four vertices.

Functions
bool	checkMeshEqual (const std::vector< video::S3DVertex > &vertices, const std::vector< u16 > &indices, const std::vector< Triangle > &expected)
	Compare two meshes for equality.

Typedef Documentation

Quad

using Quad = std::array<video::S3DVertex, 4>

Represents a quad as four vertices.

Vertices should be in the counter-clockwise order.

Triangle

using Triangle = std::array<video::S3DVertex, 3>

Represents a triangle as three vertices.

“Smallest” (according to <) vertex is expected to be first, others should follow in the counter-clockwise order.

Function Documentation

checkMeshEqual()

bool checkMeshEqual ( const std::vector< video::S3DVertex > & vertices, const std::vector< u16 > & indices, const std::vector< Triangle > & expected )

nodiscard

Compare two meshes for equality.

Parameters

vertices	Vertices of the first mesh. Order doesn’t matter.
indices	Indices of the first mesh. Triangle order doesn’t matter. Vertex order in a triangle only matters for winding.
expected	The second mesh, in an expanded form. Must be sorted.

Returns

Whether the two meshes are equal.

Parameters

vertices	Vertices of the first mesh. Order doesn’t matter.
indices	Indices of the first mesh. Triangle order doesn’t matter. Vertex order in a triangle only matters for winding.
expected	The second mesh, in a quad form.

Returns

Whether the two meshes are equal.

Note

There are two ways to split a quad into 2 triangles; either is allowed.

References canonicalizeMesh().

Referenced by TestMeshCompare::testQuad(), and TestMeshCompare::testTriangle().

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