SphereImpostorMaterial.h

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// Copyright © 2008-2021 Pioneer Developers. See AUTHORS.txt for details
// Licensed under the terms of the GPL v3. See licenses/GPL-3.txt
#ifndef _GL2_SPHEREIMPOSTORMATERIAL_H
#define _GL2_SPHEREIMPOSTORMATERIAL_H
/*
 * Billboard sphere impostor
 */
#include "MaterialGL.h"
#include "Program.h"
#include "libs.h"
namespace Graphics {
 
    namespace OGL {
 
        class SphereImpostorMaterial : public Material {
        public:
            Program *CreateProgram(const MaterialDescriptor &) override
            {
                return new Program("billboard_sphereimpostor", "");
            }
 
            virtual void Apply() override
            {
                OGL::Material::Apply();
                m_program->sceneAmbient.Set(m_renderer->GetAmbientColor());
 
                //Light uniform parameters
                for (Uint32 i = 0; i < m_renderer->GetNumLights(); i++) {
                    const Light &Light = m_renderer->GetLight(i);
                    m_program->lights[i].diffuse.Set(Light.GetDiffuse());
                    m_program->lights[i].specular.Set(Light.GetSpecular());
                    const vector3f &pos = Light.GetPosition();
                    m_program->lights[i].position.Set(pos.x, pos.y, pos.z, (Light.GetType() == Light::LIGHT_DIRECTIONAL ? 0.f : 1.f));
                }
            }
        };
    } // namespace OGL
} // namespace Graphics
#endif