Added an experimental "far view" thing. Doesn't work exactly like it should and not suitable for real use yet, and might never be.

src/farmesh.h

@@ -0,0 +1,84 @@
+/*
+Part of Minetest-c55
+Copyright (C) 2010-2011 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.
+*/
+
+#ifndef FARMESH_HEADER
+#define FARMESH_HEADER
+
+/*
+	A quick messy implementation of terrain rendering for a long
+	distance according to map seed
+*/
+
+#include "common_irrlicht.h"
+
+class FarMesh : public scene::ISceneNode
+{
+public:
+	FarMesh(
+			scene::ISceneNode* parent,
+			scene::ISceneManager* mgr,
+			s32 id,
+			u64 seed
+	);
+
+	~FarMesh();
+
+	/*
+		ISceneNode methods
+	*/
+
+	virtual void OnRegisterSceneNode();
+
+	virtual void render();
+	
+	virtual const core::aabbox3d<f32>& getBoundingBox() const
+	{
+		return m_box;
+	}
+
+	virtual u32 getMaterialCount() const
+	{
+		return 1;
+	}
+
+	virtual video::SMaterial& getMaterial(u32 i)
+	{
+		return m_material;
+	}
+	
+	/*
+		Other stuff
+	*/
+
+	void step(float dtime);
+
+	void update(v2f camera_p, float brightness);
+
+private:
+	video::SMaterial m_material;
+	core::aabbox3d<f32> m_box;
+	float m_cloud_y;
+	float m_brightness;
+	u32 m_seed;
+	v2f m_camera_pos;
+	float m_time;
+};
+
+#endif
+