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* Valve220 texture lock: catch QNAN, if projection direction is parallel to face

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Garux 2018-01-23 04:52:34 +03:00
parent fc7c69df97
commit 16ee5cc8c8
1 changed files with 6 additions and 4 deletions
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10
radiant/brush_primit.cpp
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@ -1861,11 +1861,13 @@ void Texdef_transformLocked( TextureProjection& projection, std::size_t width, s
Matrix4 identity2stOriginal( matrix4_multiplied_by_matrix4( stIdentity2stOriginal, identity2stIdentity ) ); Matrix4 identity2stOriginal( matrix4_multiplied_by_matrix4( stIdentity2stOriginal, identity2stIdentity ) );
Matrix4 stTransformed2stOriginal = matrix4_multiplied_by_matrix4( identity2stOriginal, stTransformed2identity ); Matrix4 stTransformed2stOriginal = matrix4_multiplied_by_matrix4( identity2stOriginal, stTransformed2identity );
Texdef_fromTransform( projection, (float)width, (float)height, stTransformed2stOriginal ); if( stTransformed2stOriginal[0] == stTransformed2stOriginal[0] ){ /* catch QNAN: happens when projecting along plane */
Texdef_normalise( projection, (float)width, (float)height ); Texdef_fromTransform( projection, (float)width, (float)height, stTransformed2stOriginal );
Texdef_normalise( projection, (float)width, (float)height );
projection.m_texdef.scale[0] /= vector3_length( projection.m_basis_s ); projection.m_texdef.scale[0] /= vector3_length( projection.m_basis_s );
projection.m_texdef.scale[1] /= vector3_length( projection.m_basis_t ); projection.m_texdef.scale[1] /= vector3_length( projection.m_basis_t );
}
vector3_normalise( projection.m_basis_s ); vector3_normalise( projection.m_basis_s );
vector3_normalise( projection.m_basis_t ); vector3_normalise( projection.m_basis_t );
} }