minetest.git - modified minetest for gpcfs purposes

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Diffstat (limited to 'src/irr_v2d.h')

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/* Minetest Copyright (C) 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. */ #include <ISceneNode.h> #include "camera.h" #include "irrlichttypes_extrabloated.h" #pragma once #define SKY_MATERIAL_COUNT 5 #define SKY_STAR_COUNT 200 class ITextureSource; // Skybox, rendered with zbuffer turned off, before all other nodes. class Sky : public scene::ISceneNode { public: //! constructor Sky(s32 id, ITextureSource *tsrc); virtual void OnRegisterSceneNode(); //! renders the node. virtual void render(); virtual const aabb3f &getBoundingBox() const { return m_box; } // 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, CameraMode cam_mode, float yaw, float pitch); float getBrightness() { return m_brightness; } const video::SColor &getBgColor() const { return m_visible ? m_bgcolor : m_fallback_bg_color; } const video::SColor &getSkyColor() const { return m_visible ? m_skycolor : m_fallback_bg_color; } bool getCloudsVisible() const { return m_clouds_visible && m_clouds_enabled; } const video::SColorf &getCloudColor() const { return m_cloudcolor_f; } void setVisible(bool visible) { m_visible = visible; } // Set only from set_sky API void setCloudsEnabled(bool clouds_enabled) { m_clouds_enabled = clouds_enabled; } void setFallbackBgColor(const video::SColor &fallback_bg_color) { m_fallback_bg_color = fallback_bg_color; } void overrideColors(const video::SColor &bgcolor, const video::SColor &skycolor) { m_bgcolor = bgcolor; m_skycolor = skycolor; } void setBodiesVisible(bool visible) { m_bodies_visible = visible; } private: aabb3f m_box; video::SMaterial m_materials[SKY_MATERIAL_COUNT]; // How much sun & moon transition should affect horizon color float m_horizon_blend() { if (!m_sunlight_seen) return 0; float x = m_time_of_day >= 0.5 ? (1 - m_time_of_day) * 2 : m_time_of_day * 2; if (x <= 0.3) return 0; if (x <= 0.4) // when the sun and moon are aligned return (x - 0.3) * 10; if (x <= 0.5) return (0.5 - x) * 10; return 0; } // Mix two colors by a given amount video::SColor m_mix_scolor(video::SColor col1, video::SColor col2, f32 factor) { video::SColor result = video::SColor( col1.getAlpha() * (1 - factor) + col2.getAlpha() * factor, col1.getRed() * (1 - factor) + col2.getRed() * factor, col1.getGreen() * (1 - factor) + col2.getGreen() * factor, col1.getBlue() * (1 - factor) + col2.getBlue() * factor); return result; } video::SColorf m_mix_scolorf(video::SColorf col1, video::SColorf col2, f32 factor) { video::SColorf result = video::SColorf(col1.r * (1 - factor) + col2.r * factor, col1.g * (1 - factor) + col2.g * factor, col1.b * (1 - factor) + col2.b * factor, col1.a * (1 - factor) + col2.a * factor); return result; } bool m_visible = true; // Used when m_visible=false video::SColor m_fallback_bg_color = video::SColor(255, 255, 255, 255); bool m_first_update = true; float m_time_of_day; float m_time_brightness; bool m_sunlight_seen; float m_brightness = 0.5f; float m_cloud_brightness = 0.5f;


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