debug.h

#ifndef OE_RENDER_DEBUG_H
#define OE_RENDER_DEBUG_H
 
#include "../common.h"
 
#ifndef OXYGEN_ENGINE_DEBUG_TOOLS
    #error Debug tools are not included in this build, please enable then with OE_DEBUG_TOOLS CMake option
#endif
 
#include <glm/vec3.hpp>
#include <glm/matrix.hpp>
 
namespace oe::core
{
    class Device;
}
 
namespace oe::scene
{
    class Camera;
    class AABB;
}
 
namespace oe::detail::dd
{
    class OxygenEngineRenderInterface;
}
 
namespace oe::render
{
    class Debug
    {
        public:
            static void axis(const float& length = 1.0f, const float& arrow_size = 0.1f);
 
            static void transform(const glm::mat4& model, const float& length = 1.0f, const float& arrow_size = 0.1f);
 
            static void tbn(const glm::vec3& origin, const glm::vec3& tangent, const glm::vec3& bitangent, const glm::vec3& normal, const float& length = 1.0);
 
            static void aabb(const oe::scene::AABB& bbox, const glm::vec3& color = glm::vec3(1.0));
 
            static void point(const glm::vec3& position, const float& size = 10.0f, const glm::vec3& color = glm::vec3(1.0));
 
            static void sphere(const glm::vec3& center, const float& radius, const glm::vec3& color = glm::vec3(1.0));
 
            static void box(const glm::vec3& min, const glm::vec3& max, const glm::vec3& color = glm::vec3(1.0));
 
            static void line(const glm::vec3& start, const glm::vec3& end, const glm::vec3& color = glm::vec3(1.0));
 
            static void arrow(const glm::vec3& start, const glm::vec3& end, const float& size = 1.0f, const glm::vec3& color = glm::vec3(1.0));
            static void cone(const glm::vec3& start, const glm::vec3& end, const float& baseAngle = 1.0f, const float& apexAngle = 0.0f, const glm::vec3& color = glm::vec3(1.0));
 
            static void frustum(const oe::scene::Camera& camera, const glm::vec3& color = glm::vec3(1.0));
 
            void render(oe::scene::Camera& camera, const bool flush = true);
 
            void flush();
 
            static Debug* getInstance()
            {
                return _instance;
            }
 
        private:
            Debug();
            ~Debug();
 
            detail::dd::OxygenEngineRenderInterface* _render_interface = nullptr;
            void* _ctx = nullptr;
 
            static Debug* _instance;
 
            // Available for device to build / clean the instance
            static oe::render::Debug* init();
            static void clean();
            friend class core::Device;
    };
}
 
#endif