textured_material.h

#pragma once
 
#include <cgv/media/illum/textured_surface_material.h>
#include "texture.h"
 
#include "lib_begin.h"
 
namespace cgv {
        namespace render {
 
class CGV_API textured_material : public media::illum::textured_surface_material
{
public:
        enum AlphaTestFunc { AT_ALWAYS, AT_LESS, AT_EQUAL, AT_GREATER };
protected:
        std::vector<texture*> textures;
        // store context pointer to destruct textures
        context* ctx_ptr;
 
        float alpha_threshold;
        AlphaTestFunc alpha_test_func;
public:
        textured_material();
        virtual ~textured_material();
        textured_material(const media::illum::textured_surface_material& mtl);
        void set_alpha_test(AlphaTestFunc _alpha_test_func = AT_GREATER, float _alpha_threshold = 0.0f);
        AlphaTestFunc get_alpha_test_func() const;
        float get_alpha_threshold() const;
        AlphaTestFunc& ref_alpha_test_func();
        float& ref_alpha_threshold();
        bool ensure_textures(context& ctx);
 
        int add_texture_reference(cgv::render::texture& tex);
        size_t get_nr_textures() const { return textures.size(); }
 
        texture* get_texture(int texture_index) const;
        void enable_textures(context& ctx);
        void disable_textures(context& ctx);
        void destruct_textures(context& ctx);
};
 
        }
}
 
#include <cgv/config/lib_end.h>