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Texturable.cpp
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Texturable.cpp
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#include "Texturable.h"
#include "brush/Face.h"
#include "patch/Patch.h"
namespace selection {
Texturable::Texturable() :
face(NULL),
brush(NULL),
patch(NULL),
shader("")
{}
void Texturable::clear() {
face = NULL;
patch = NULL;
brush = NULL;
shader = "";
}
// True, if all the pointers are NULL
bool Texturable::empty() const
{
if (patch != NULL || face != NULL || brush != NULL)
{
// For primitive types, return true if the node has been removed
return (node.lock() == NULL);
}
// For non-primitives (all source pointers NULL), check the shader
return shader.empty();
}
bool Texturable::checkValid()
{
// For non-pure shader strings, check if the node has been removed
if (patch != NULL || face != NULL || brush != NULL)
{
if (node.lock() == NULL)
{
clear();
return false; // changed
}
}
// no change
return true;
}
bool Texturable::isPatch() const
{
return (node.lock() != NULL && patch != NULL);
}
bool Texturable::isFace() const {
return (node.lock() != NULL && face != NULL);
}
bool Texturable::isShader() const {
return !shader.empty();
}
std::string Texturable::getShader() const {
if (isFace()) {
return face->getShader();
}
else if (isPatch()) {
return patch->getShader();
}
else {
// Shader might be empty as well
return shader;
}
}
} // namespace selection