bool Brush_hasShader(const Brush& brush, const char* name)
{
for(Brush::const_iterator i = brush.begin(); i != brush.end(); ++i)
{
if(shader_equal((*i)->GetShader(), name))
{
return true;
}
}
return false;
}
BrushSplitType Brush_classifyPlane(const Brush& brush, const Plane3& plane) {
brush.evaluateBRep();
BrushSplitType split;
for (Brush::const_iterator i(brush.begin()); i != brush.end(); ++i) {
if ((*i)->contributes()) {
split += (*i)->getWinding().classifyPlane(plane);
}
}
return split;
}
void BrushByPlaneClipper::getMostUsedTexturing(const Brush& brush) const
{
// Intercept this call to apply caulk to all faces when the registry key is set
if (_useCaulk)
{
_mostUsedShader = _caulkShader;
return;
}
std::map<std::string, int> shaderCount;
_mostUsedShader = "";
int mostUsedShaderCount(0);
_mostUsedProjection = TextureProjection();
// greebo: Get the most used shader of this brush
for (Brush::const_iterator i = brush.begin(); i != brush.end(); ++i)
{
// Get the shadername
const std::string& shader = (*i)->getShader();
// Insert counter, if necessary
if (shaderCount.find(shader) == shaderCount.end()) {
shaderCount[shader] = 0;
}
// Increase the counter
shaderCount[shader]++;
if (shaderCount[shader] > mostUsedShaderCount) {
_mostUsedShader = shader;
mostUsedShaderCount = shaderCount[shader];
// Copy the TexDef from the face into the local member
(*i)->GetTexdef(_mostUsedProjection);
}
}
// Fall back to the default shader, if nothing found
if (_mostUsedShader.empty() || mostUsedShaderCount == 1)
{
_mostUsedShader = GlobalTextureBrowser().getSelectedShader();
_mostUsedProjection = _projection;
}
}
// Returns true if fragments have been inserted into the given ret_fragments list
bool Brush_subtract(const BrushNodePtr& brush, const Brush& other, BrushPtrVector& ret_fragments)
{
if (brush->getBrush().localAABB().intersects(other.localAABB()))
{
BrushPtrVector fragments;
fragments.reserve(other.getNumFaces());
BrushNodePtr back = std::dynamic_pointer_cast<BrushNode>(brush->clone());
for (Brush::const_iterator i(other.begin()); i != other.end(); ++i)
{
const Face& face = *(*i);
if (!face.contributes()) continue;
BrushSplitType split = Brush_classifyPlane(back->getBrush(), face.plane3());
if (split.counts[ePlaneFront] != 0 && split.counts[ePlaneBack] != 0)
{
fragments.push_back(std::dynamic_pointer_cast<BrushNode>(back->clone()));
FacePtr newFace = fragments.back()->getBrush().addFace(face);
if (newFace != 0)
{
newFace->flipWinding();
}
back->getBrush().addFace(face);
}
else if (split.counts[ePlaneBack] == 0)
{
return false;
}
}
ret_fragments.insert(ret_fragments.end(), fragments.begin(), fragments.end());
return true;
}
return false;
}
