minetest/src/clouds.h
est31 4b0f5fcbf5 Cache enable_3d_clouds flag
Small improvement on clouds rendering performance
2015-05-04 22:50:04 +02:00

103 lines
2.2 KiB
C++

/*
Minetest
Copyright (C) 2010-2013 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.
*/
#ifndef CLOUDS_HEADER
#define CLOUDS_HEADER
#include "irrlichttypes_extrabloated.h"
#include <iostream>
#include "constants.h"
// Menu clouds
class Clouds;
extern Clouds *g_menuclouds;
// Scene manager used for menu clouds
namespace irr{namespace scene{class ISceneManager;}}
extern irr::scene::ISceneManager *g_menucloudsmgr;
class Clouds : public scene::ISceneNode
{
public:
Clouds(
scene::ISceneNode* parent,
scene::ISceneManager* mgr,
s32 id,
u32 seed,
s16 cloudheight=0
);
~Clouds();
/*
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, video::SColorf color);
void updateCameraOffset(v3s16 camera_offset)
{
m_camera_offset = camera_offset;
m_box = core::aabbox3d<f32>(-BS * 1000000, m_cloud_y - BS - BS * camera_offset.Y, -BS * 1000000,
BS * 1000000, m_cloud_y + BS - BS * camera_offset.Y, BS * 1000000);
}
private:
video::SMaterial m_material;
core::aabbox3d<f32> m_box;
float m_cloud_y;
u16 m_cloud_radius_i;
bool m_enable_3d;
video::SColorf m_color;
u32 m_seed;
v2f m_camera_pos;
float m_time;
v3s16 m_camera_offset;
};
#endif