minetest/src/sky.h

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/*
Minetest-c55
Copyright (C) 2012 celeron55, Perttu Ahola <celeron55@gmail.com>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 2.1 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License along
with this program; if not, write to the Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include "common_irrlicht.h"
#include <ISceneNode.h>
#ifndef SKY_HEADER
#define SKY_HEADER
#define SKY_MATERIAL_COUNT 3
#define SKY_STAR_COUNT 200
// Skybox, rendered with zbuffer turned off, before all other nodes.
class Sky : public scene::ISceneNode
{
public:
//! constructor
Sky(scene::ISceneNode* parent, scene::ISceneManager* mgr, s32 id);
virtual void OnRegisterSceneNode();
//! renders the node.
virtual void render();
virtual const core::aabbox3d<f32>& getBoundingBox() const;
// Used by Irrlicht for optimizing rendering
virtual video::SMaterial& getMaterial(u32 i)
{ return m_materials[i]; }
// Used by Irrlicht for optimizing rendering
virtual u32 getMaterialCount() const
{ return SKY_MATERIAL_COUNT; }
void update(float m_time_of_day, float time_brightness,
float direct_brightness, bool sunlight_seen);
float getBrightness(){ return m_brightness; }
video::SColor getBgColor(){ return m_bgcolor; }
video::SColor getSkyColor(){ return m_skycolor; }
bool getCloudsVisible(){ return m_clouds_visible; }
video::SColorf getCloudColor(){ return m_cloudcolor_f; }
private:
core::aabbox3d<f32> Box;
video::SMaterial m_materials[SKY_MATERIAL_COUNT];
bool m_first_update;
float m_time_of_day;
float m_time_brightness;
bool m_sunlight_seen;
float m_brightness;
float m_cloud_brightness;
bool m_clouds_visible;
video::SColorf m_bgcolor_bright_f;
video::SColorf m_skycolor_bright_f;
video::SColorf m_cloudcolor_bright_f;
video::SColor m_bgcolor;
video::SColor m_skycolor;
video::SColorf m_cloudcolor_f;
v3f m_stars[SKY_STAR_COUNT];
u16 m_star_indices[SKY_STAR_COUNT*4];
video::S3DVertex m_star_vertices[SKY_STAR_COUNT*4];
};
#endif