Dynamic sky, fog and cloud colors; sun and moon

1 files changed, 84 insertions, 0 deletions

diff --git a/src/sky.h b/src/sky.h
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+++ b/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 General Public License as published by
+the Free Software Foundation; either version 2 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 General Public License for more details.
+
+You should have received a copy of the GNU 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
+