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* catch degenerate cases in texture vertex lock (ex: verts edit to noncontributing face, then back)

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Garux 2018-04-04 12:02:53 +03:00
parent 21db492d73
commit 304d4760c4
1 changed files with 13 additions and 9 deletions
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22
radiant/brush_primit.cpp
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@ -2018,15 +2018,16 @@ void Texdef_ProjectTexture( TextureProjection& projection, std::size_t width, st
}
}
inline bool BP_degenerate( const TextureProjection& projection ){
return vector2_cross( Vector2( projection.m_brushprimit_texdef.coords[0][0], projection.m_brushprimit_texdef.coords[0][1] ),
Vector2( projection.m_brushprimit_texdef.coords[1][0], projection.m_brushprimit_texdef.coords[1][1] ) ) == 0;
inline bool BP_degenerate( const brushprimit_texdef_t& bp ){
return vector2_cross( Vector2( bp.coords[0][0], bp.coords[0][1] ),
Vector2( bp.coords[1][0], bp.coords[1][1] ) ) == 0
|| bp.coords[0][0] != bp.coords[0][0];
}
/// g_bp_globals.m_texdefTypeId must be == TEXDEFTYPEID_BRUSHPRIMITIVES during this
void AP_from_BP( TextureProjection& projection, const Plane3& plane, std::size_t width, std::size_t height ) {
/* catch degenerate BP basis, go default if so */
if( BP_degenerate( projection ) ){
if( BP_degenerate( projection.m_brushprimit_texdef ) ){
projection.m_texdef.scale[0] = Texdef_getDefaultTextureScale();
projection.m_texdef.scale[1] = Texdef_getDefaultTextureScale();
return;
@ -2128,7 +2129,7 @@ void Valve220_from_BP( TextureProjection& projection, const Plane3& plane, std::
DoubleVector3 texX, texY;
ComputeAxisBase( plane.normal(), texX, texY );
/* catch degenerate BP basis, go default if so */
if( BP_degenerate( projection ) ){
if( BP_degenerate( projection.m_brushprimit_texdef ) ){
projection.m_basis_s = texX;
projection.m_basis_t = texY;
projection.m_texdef.scale[0] = Texdef_getDefaultTextureScale();
@ -2194,7 +2195,12 @@ void Texdef_Convert( TexdefTypeId in, TexdefTypeId out, const Plane3& plane, Tex
void Texdef_from_ST( TextureProjection& projection, const DoubleVector3 points[3], const DoubleVector3 st[3], std::size_t width, std::size_t height ){
const Plane3 plane( plane3_for_points( points ) );
BP_from_ST( projection.m_brushprimit_texdef, points, st, plane.normal() );
brushprimit_texdef_t bp;
BP_from_ST( bp, points, st, plane.normal() );
if( BP_degenerate( bp ) )
return;
else
projection.m_brushprimit_texdef = bp;
if( g_bp_globals.m_texdefTypeId == TEXDEFTYPEID_QUAKE ){
const TexdefTypeId tmp = g_bp_globals.m_texdefTypeId;
g_bp_globals.m_texdefTypeId = TEXDEFTYPEID_BRUSHPRIMITIVES;
@ -2202,8 +2208,6 @@ void Texdef_from_ST( TextureProjection& projection, const DoubleVector3 points[3
g_bp_globals.m_texdefTypeId = tmp;
}
else if( g_bp_globals.m_texdefTypeId == TEXDEFTYPEID_VALVE ){
/* catch degenerate BP basis, do nothing if so */
if( !BP_degenerate( projection ) )
Valve220_from_BP( projection, plane, width, height );
Valve220_from_BP( projection, plane, width, height );
}
}