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#pragma once
#include "MapExpression.h"
#include "NamedBindable.h"
namespace shaders
{
/**
* \brief Declaration parsed from a "cameraCubeMap" stage in a material
* definition.
*
* A cameraCubeMap specifies a texture prefix, to which the suffixes "_up",
* "_down", "_left", "_right", "_forward" and "_back" are appended to give the
* six cube map images.
*
* A CameraCubeMapDecl object stores the texture prefix and implements the
* NamedBindable interface so that it can bind the cube map texture in GL and
* return it to the texture manager.
*/
class CameraCubeMapDecl :
public IMapExpression,
public NamedBindable
{
// The texture prefix
std::string _prefix;
private:
// Construct with a prefix
CameraCubeMapDecl(const std::string& prefix);
virtual bool isCubeMap() const override
{
return true;
}
// Load and bind the given image with the given cube-map direction
void bindDirection(const std::string& dir, GLuint glDir) const;
public:
/* NamedBindable implementation */
std::string getIdentifier() const override;
TexturePtr bindTexture(const std::string& name, Role role) const override;
std::string getExpressionString() override;
/**
* \brief
* Construct and return a CameraCubeMapDecl from the given texture prefix.
*/
static NamedBindablePtr createForPrefix(const std::string& prefix);
};
}
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