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.
bool	checkMeshEqual (const std::vector< video::S3DVertex > &vertices, const std::vector< u16 > &indices, const std::vector< Quad > &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() [1/2]

bool checkMeshEqual ( const std::vector< video::S3DVertex > & vertices, const std::vector< u16 > & indices, const std::vector< Quad > & 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 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(), and sortTriangle().

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checkMeshEqual() [2/2]

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.

References canonicalizeMesh().

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

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