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* Valve220: transform basis in special way with texture lock off

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Garux 2018-05-16 16:40:54 +03:00
parent ae1bd2c066
commit 4542d9da3c
1 changed files with 15 additions and 1 deletions
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16
radiant/brush.h
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@ -1104,6 +1104,20 @@ void transform( const Matrix4& matrix, bool mirror ){
}
Texdef_transformLocked( m_texdefTransformed, m_shader.width(), m_shader.height(), m_plane.plane3(), matrix, contributes() ? m_centroid_saved : static_cast<Vector3>( m_plane.plane3().normal() * m_plane.plane3().dist() ) );
}
else if( g_bp_globals.m_texdefTypeId == TEXDEFTYPEID_VALVE ){
const DoubleVector3 from = vector3_normalised( vector3_cross( m_texdefTransformed.m_basis_s, m_texdefTransformed.m_basis_t ) );
const DoubleVector3 to = matrix4_transformed_normal( matrix, from );
Quaternion quat = quaternion_for_unit_vectors( from, to );
if( quat.w() != quat.w() ){ //handle 180` cases
if( vector3_max_abs_component_index( from ) == 2 )
quat = Quaternion( g_vector3_axis_y, 0 );
else
quat = Quaternion( g_vector3_axis_z, 0 );
}
const Matrix4 mat = matrix4_rotation_for_quaternion( quat );
m_texdefTransformed.m_basis_s = vector3_normalised( matrix4_transformed_direction( mat, m_texdefTransformed.m_basis_s ) );
m_texdefTransformed.m_basis_t = vector3_normalised( matrix4_transformed_direction( mat, m_texdefTransformed.m_basis_t ) );
}
m_planeTransformed.transform( matrix, mirror );
@ -1112,7 +1126,7 @@ void transform( const Matrix4& matrix, bool mirror ){
#endif
m_observer->planeChanged();
if ( g_brush_texturelock_enabled ) {
if ( g_brush_texturelock_enabled || g_bp_globals.m_texdefTypeId == TEXDEFTYPEID_VALVE ) {
Brush_textureChanged();
}
}