forked from Mirrorlandia_minetest/minetest
4b0f5fcbf5
Small improvement on clouds rendering performance
103 lines
2.2 KiB
C++
103 lines
2.2 KiB
C++
/*
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Minetest
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Copyright (C) 2010-2013 celeron55, Perttu Ahola <celeron55@gmail.com>
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation; either version 2.1 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License along
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with this program; if not, write to the Free Software Foundation, Inc.,
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51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#ifndef CLOUDS_HEADER
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#define CLOUDS_HEADER
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#include "irrlichttypes_extrabloated.h"
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#include <iostream>
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#include "constants.h"
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// Menu clouds
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class Clouds;
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extern Clouds *g_menuclouds;
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// Scene manager used for menu clouds
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namespace irr{namespace scene{class ISceneManager;}}
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extern irr::scene::ISceneManager *g_menucloudsmgr;
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class Clouds : public scene::ISceneNode
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{
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public:
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Clouds(
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scene::ISceneNode* parent,
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scene::ISceneManager* mgr,
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s32 id,
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u32 seed,
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s16 cloudheight=0
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);
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~Clouds();
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/*
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ISceneNode methods
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*/
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virtual void OnRegisterSceneNode();
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virtual void render();
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virtual const core::aabbox3d<f32>& getBoundingBox() const
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{
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return m_box;
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}
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virtual u32 getMaterialCount() const
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{
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return 1;
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}
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virtual video::SMaterial& getMaterial(u32 i)
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{
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return m_material;
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}
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/*
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Other stuff
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*/
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void step(float dtime);
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void update(v2f camera_p, video::SColorf color);
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void updateCameraOffset(v3s16 camera_offset)
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{
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m_camera_offset = camera_offset;
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m_box = core::aabbox3d<f32>(-BS * 1000000, m_cloud_y - BS - BS * camera_offset.Y, -BS * 1000000,
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BS * 1000000, m_cloud_y + BS - BS * camera_offset.Y, BS * 1000000);
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}
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private:
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video::SMaterial m_material;
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core::aabbox3d<f32> m_box;
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float m_cloud_y;
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u16 m_cloud_radius_i;
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bool m_enable_3d;
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video::SColorf m_color;
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u32 m_seed;
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v2f m_camera_pos;
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float m_time;
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v3s16 m_camera_offset;
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};
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#endif
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