minetest/src/clouds.h
2017-04-30 00:06:13 +01:00

148 lines
2.9 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"
#include "cloudparams.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 aabb3f &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;
updateBox();
}
void readSettings();
void setDensity(float density)
{
m_params.density = density;
// currently does not need bounding
}
void setColorBright(const video::SColor &color_bright)
{
m_params.color_bright = color_bright;
}
void setColorAmbient(const video::SColor &color_ambient)
{
m_params.color_ambient = color_ambient;
}
void setHeight(float height)
{
m_params.height = height; // add bounding when necessary
updateBox();
}
void setSpeed(v2f speed)
{
m_params.speed = speed;
}
void setThickness(float thickness)
{
m_params.thickness = thickness;
updateBox();
}
private:
void updateBox()
{
float height_bs = m_params.height * BS;
float thickness_bs = m_params.thickness * BS;
m_box = aabb3f(-BS * 1000000.0f, height_bs - BS * m_camera_offset.Y, -BS * 1000000.0f,
BS * 1000000.0f, height_bs + thickness_bs - BS * m_camera_offset.Y, BS * 1000000.0f);
}
video::SMaterial m_material;
aabb3f m_box;
s16 m_passed_cloud_y;
u16 m_cloud_radius_i;
bool m_enable_3d;
u32 m_seed;
v2f m_camera_pos;
v2f m_origin;
v2f m_speed;
v3s16 m_camera_offset;
video::SColorf m_color;
CloudParams m_params;
};
#endif