void Select_ShiftTexture( int x, int y )
{
brush_s* b;
face_s* f;
int nFaceCount = g_ptrSelectedFaces.GetSize();
if ( selected_brushes.next == &selected_brushes && nFaceCount == 0 )
return;
for ( b = selected_brushes.next ; b != &selected_brushes ; b = b->next )
{
for ( f = b->brush_faces ; f ; f = f->next )
{
if ( g_qeglobals.m_bBrushPrimitMode )
{
// use face normal to compute a true translation
Select_ShiftTexture_BrushPrimit( f, x, y );
}
else
{
f->texdef.shift[0] += x;
f->texdef.shift[1] += y;
}
}
Brush_Build( b );
if ( b->patchBrush )
{
//Patch_ShiftTexture(b->nPatchID, x, y);
Patch_ShiftTexture( b->pPatch, x, y );
}
}
if ( nFaceCount > 0 )
{
for ( int i = 0; i < nFaceCount; i++ )
{
face_s* selFace = reinterpret_cast<face_s*>( g_ptrSelectedFaces.GetAt( i ) );
brush_s* selBrush = reinterpret_cast<brush_s*>( g_ptrSelectedFaceBrushes.GetAt( i ) );
if ( g_qeglobals.m_bBrushPrimitMode )
{
// use face normal to compute a true translation
// Select_ShiftTexture_BrushPrimit( selected_face, x, y );
// use camera view to compute texture shift
g_pParentWnd->GetCamera()->ShiftTexture_BrushPrimit( selFace, x, y );
}
else
{
selFace->texdef.shift[0] += x;
selFace->texdef.shift[1] += y;
}
Brush_Build( selBrush );
}
}
Sys_UpdateWindows( W_CAMERA );
}
// Timo
// brush primitive texture shifting, using camera view to select translations :
void CCamWnd::ShiftTexture_BrushPrimit(face_t *f, int x, int y)
{
vec3_t texS,texT;
vec3_t viewX,viewY;
int XS,XT,YS,YT;
int outS,outT;
#ifdef _DEBUG
if (!g_qeglobals.m_bBrushPrimitMode)
{
Sys_Printf("Warning : unexpected call to CCamWnd::ShiftTexture_BrushPrimit with brush primitive mode disbaled\n");
return;
}
#endif
// compute face axis base
ComputeAxisBase( f->plane.normal, texS, texT );
// compute camera view vectors
VectorCopy( m_Camera.vup, viewY );
VectorCopy( m_Camera.vright, viewX );
// compute best vectors
ComputeBest2DVector( viewX, texS, texT, XS, XT );
ComputeBest2DVector( viewY, texS, texT, YS, YT );
// check this is not a degenerate case
if ( ( XS == YS ) && ( XT == YT ) )
{
#ifdef _DEBUG
Sys_Printf("Warning : degenerate best vectors axis base in CCamWnd::ShiftTexture_BrushPrimit\n");
#endif
// forget it
Select_ShiftTexture_BrushPrimit( f, x, y );
return;
}
// compute best fitted translation in face axis base
outS = XS*x + YS*y;
outT = XT*x + YT*y;
// call actual texture shifting code
Select_ShiftTexture_BrushPrimit( f, outS, outT );
}