#include "sky.h" #include "IVideoDriver.h" #include "ISceneManager.h" #include "ICameraSceneNode.h" #include "S3DVertex.h" #include "client/tile.h" #include "noise.h" // easeCurve #include "profiler.h" #include "util/numeric.h" #include <cmath> #include "settings.h" #include "camera.h" // CameraModes //! constructor Sky::Sky(scene::ISceneNode* parent, scene::ISceneManager* mgr, s32 id, ITextureSource *tsrc): scene::ISceneNode(parent, mgr, id), m_visible(true), m_fallback_bg_color(255,255,255,255), m_first_update(true), m_brightness(0.5), m_cloud_brightness(0.5), m_bgcolor_bright_f(1,1,1,1), m_skycolor_bright_f(1,1,1,1), m_cloudcolor_bright_f(1,1,1,1) { setAutomaticCulling(scene::EAC_OFF); Box.MaxEdge.set(0,0,0); Box.MinEdge.set(0,0,0); // create material video::SMaterial mat; mat.Lighting = false; mat.ZBuffer = video::ECFN_NEVER; mat.ZWriteEnable = false; mat.AntiAliasing=0; mat.TextureLayer[0].TextureWrapU = video::ETC_CLAMP_TO_EDGE; mat.TextureLayer[0].TextureWrapV = video::ETC_CLAMP_TO_EDGE; mat.BackfaceCulling = false; m_materials[0] = mat; m_materials[1] = mat; //m_materials[1].MaterialType = video::EMT_TRANSPARENT_VERTEX_ALPHA; m_materials[1].MaterialType = video::EMT_TRANSPARENT_ALPHA_CHANNEL; m_materials[2] = mat; m_materials[2].setTexture(0, tsrc->getTextureForMesh("sunrisebg.png")); m_materials[2].MaterialType = video::EMT_TRANSPARENT_ALPHA_CHANNEL; //m_materials[2].MaterialType = video::EMT_TRANSPARENT_ADD_COLOR; m_sun_texture = tsrc->isKnownSourceImage("sun.png") ? tsrc->getTextureForMesh("sun.png") : NULL; m_moon_texture = tsrc->isKnownSourceImage("moon.png") ? tsrc->getTextureForMesh("moon.png") : NULL; m_sun_tonemap = tsrc->isKnownSourceImage("sun_tonemap.png") ? tsrc->getTexture("sun_tonemap.png") : NULL; m_moon_tonemap = tsrc->isKnownSourceImage("moon_tonemap.png") ? tsrc->getTexture("moon_tonemap.png") : NULL; if (m_sun_texture){ m_materials[3] = mat; m_materials[3].setTexture(0, m_sun_texture); m_materials[3].MaterialType = video::EMT_TRANSPARENT_ALPHA_CHANNEL; if (m_sun_tonemap) m_materials[3].Lighting = true; } if (m_moon_texture){ m_materials[4] = mat; m_materials[4].setTexture(0, m_moon_texture); m_materials[4].MaterialType = video::EMT_TRANSPARENT_ALPHA_CHANNEL; if (m_moon_tonemap) m_materials[4].Lighting = true; } for(u32 i=0; i<SKY_STAR_COUNT; i++){ m_stars[i] = v3f( myrand_range(-10000,10000), myrand_range(-10000,10000), myrand_range(-10000,10000) ); m_stars[i].normalize(); } m_directional_colored_fog = g_settings->getBool("directional_colored_fog"); } void Sky::OnRegisterSceneNode() { if (IsVisible) SceneManager->registerNodeForRendering(this, scene::ESNRP_SKY_BOX); scene::ISceneNode::OnRegisterSceneNode(); } const core::aabbox3d<f32>& Sky::getBoundingBox() const { return Box; } //! renders the node. void Sky::render() { if(!m_visible) return; video::IVideoDriver* driver = SceneManager->getVideoDriver(); scene::ICameraSceneNode* camera = SceneManager->getActiveCamera(); if (!camera || !driver) return; ScopeProfiler sp(g_profiler, "Sky::render()", SPT_AVG); // draw perspective skybox core::matrix4 translate(AbsoluteTransformation); translate.setTranslation(camera->getAbsolutePosition()); // Draw the sky box between the near and far clip plane const f32 viewDistance = (camera->getNearValue() + camera->getFarValue()) * 0.5f; core::matrix4 scale; scale.setScale(core::vector3df(viewDistance, viewDistance, viewDistance)); driver->setTransform(video::ETS_WORLD, translate * scale); if(m_sunlight_seen) { float sunsize = 0.07; video::SColorf suncolor_f(1, 1, 0, 1); suncolor_f.r = 1; suncolor_f.g = MYMAX(0.3, MYMIN(1.0, 0.7+m_time_brightness*(0.5))); suncolor_f.b = MYMAX(0.0, m_brightness*0.95); video::SColorf suncolor2_f(1, 1, 1, 1); suncolor_f.r = 1; suncolor_f.g = MYMAX(0.3, MYMIN(1.0, 0.85+m_time_brightness*(0.5))); suncolor_f.b = MYMAX(0.0, m_brightness); float moonsize = 0.04; video::SColorf mooncolor_f(0.50, 0.57, 0.65, 1); video::SColorf mooncolor2_f(0.85, 0.875, 0.9, 1); float nightlength = 0.415; float wn = nightlength / 2; float wicked_time_of_day = 0; if(m_time_of_day > wn && m_time_of_day < 1.0 - wn) wicked_time_of_day = (m_time_of_day - wn)/(1.0-wn*2)*0.5 + 0.25; else if(m_time_of_day < 0.5) wicked_time_of_day = m_time_of_day / wn * 0.25; else wicked_time_of_day = 1.0 - ((1.0-m_time_of_day) / wn * 0.25); /*std::cerr<<"time_of_day="<<m_time_of_day<<" -> " <<"wicked_time_of_day="<<wicked_time_of_day<<std::endl;*/ video::SColor suncolor = suncolor_f.toSColor(); video::SColor suncolor2 = suncolor2_f.toSColor(); video::SColor mooncolor = mooncolor_f.toSColor(); video::SColor mooncolor2 = mooncolor2_f.toSColor(); // Calculate offset normalized to the X dimension of a 512x1 px tonemap float offset=(1.0-fabs(sin((m_time_of_day - 0.5)*irr::core::PI)))*511; if (m_sun_tonemap){ u8 * texels = (u8 *)m_sun_tonemap->lock(); video::SColor* texel = (video::SColor *)(texels + (u32)offset * 4); video::SColor texel_color (255,texel->getRed(),texel->getGreen(), texel->getBlue()); m_sun_tonemap->unlock(); m_materials[3].EmissiveColor = texel_color; } if (m_moon_tonemap){ u8 * texels = (u8 *)m_moon_tonemap->lock(); video::SColor* texel = (video::SColor *)(texels + (u32)offset * 4); video::SColor texel_color (255,texel->getRed(),texel->getGreen(), texel->getBlue()); m_moon_tonemap->unlock(); m_materials[4].EmissiveColor = texel_color; } const f32 t = 1.0f; const f32 o = 0.0f; static const u16 indices[4] = {0,1,2,3}; video::S3DVertex vertices[4]; driver->setMaterial(m_materials[1]); //video::SColor cloudyfogcolor(255,255,255,255); video::SColor cloudyfogcolor = m_bgcolor; //video::SColor cloudyfogcolor = m_bgcolor.getInterpolated(m_skycolor, 0.5); // Draw far cloudy fog thing for(u32 j=0; j<4; j++) { video::SColor c = cloudyfogcolor.getInterpolated(m_skycolor, 0.45); vertices[0] = video::S3DVertex(-1, 0.08,-1, 0,0,1, c, t, t); vertices[1] = video::S3DVertex( 1, 0.08,-1, 0,0,1, c, o, t); vertices[2] = video::S3DVertex( 1, 0.12,-1, 0,0,1, c, o, o); vertices[3] = video::S3DVertex(-1, 0.12,-1, 0,0,1, c, t, o); for(u32 i=0; i<4; i++){ if(j==0) // Don't switch {} else if(j==1) // Switch from -Z (south) to +X (east) vertices[i].Pos.rotateXZBy(90); else if(j==2) // Switch from -Z (south) to -X (west) vertices[i].Pos.rotateXZBy(-90); else // Switch from -Z (south) to -Z (north) vertices[i].Pos.rotateXZBy(-180); } driver->drawIndexedTriangleFan(&vertices[0], 4, indices, 2); } for(u32 j=0; j<4; j++) { video::SColor c = cloudyfogcolor; vertices[0] = video::S3DVertex(-1,-1.0,-1, 0,0,1, c, t, t); vertices[1] = video::S3DVertex( 1,-1.0,-1, 0,0,1, c, o, t); vertices[2] = video::S3DVertex( 1, 0.08,-1, 0,0,1, c, o, o); vertices[3] = video::S3DVertex(-1, 0.08,-1, 0,0,1, c, t, o); for(u32 i=0; i<4; i++){ if(j==0) // Don't switch {} else if(j==1) // Switch from -Z (south) to +X (east) vertices[i].Pos.rotateXZBy(90); else if(j==2) // Switch from -Z (south) to -X (west) vertices[i].Pos.rotateXZBy(-90); else // Switch from -Z (south) to -Z (north) vertices[i].Pos.rotateXZBy(-180); } driver->drawIndexedTriangleFan(&vertices[0], 4, indices, 2); } driver->setMaterial(m_materials[2]); { float mid1 = 0.25; float mid = (wicked_time_of_day < 0.5 ? mid1 : (1.0 - mid1)); float a_ = 1.0 - fabs(wicked_time_of_day - mid) * 35.0; float a = easeCurve(MYMAX(0, MYMIN(1, a_))); //std::cerr<<"a_="<<a_<<" a="<<a<<std::endl; video::SColor c(255,255,255,255); float y = -(1.0 - a) * 0.2; vertices[0] = video::S3DVertex(-1,-0.05+y,-1, 0,0,1, c, t, t); vertices[1] = video::S3DVertex( 1,-0.05+y,-1, 0,0,1, c, o, t); vertices[2] = video::S3DVertex( 1, 0.2+y,-1, 0,0,1, c, o, o); vertices[3] = video::S3DVertex(-1, 0.2+y,-1, 0,0,1, c, t, o); for(u32 i=0; i<4; i++){ if(wicked_time_of_day < 0.5) // Switch from -Z (south) to +X (east) vertices[i].Pos.rotateXZBy(90); else // Switch from -Z (south) to -X (west) vertices[i].Pos.rotateXZBy(-90); } driver->drawIndexedTriangleFan(&vertices[0], 4, indices, 2); } // Draw sun if(wicked_time_of_day > 0.15 && wicked_time_of_day < 0.85){ if (!m_sun_texture){ driver->setMaterial(m_materials[1]); float d = sunsize * 1.7; video::SColor c = suncolor; c.setAlpha(0.05*255); vertices[0] = video::S3DVertex(-d,-d,-1, 0,0,1, c, t, t); vertices[1] = video::S3DVertex( d,-d,-1, 0,0,1, c, o, t); vertices[2] = video::S3DVertex( d, d,-1, 0,0,1, c, o, o); vertices[3] = video::S3DVertex(-d, d,-1, 0,0,1, c, t, o); for(u32 i=0; i<4; i++){ // Switch from -Z (south) to +X (east) vertices[i].Pos.rotateXZBy(90); vertices[i].Pos.rotateXYBy(wicked_time_of_day * 360 - 90); } driver->drawIndexedTriangleFan(&vertices[0], 4, indices, 2); d = sunsize * 1.2; c = suncolor; c.setAlpha(0.15*255); vertices[0] = video::S3DVertex(-d,-d,-1, 0,0,1, c, t, t); vertices[1] = video::S3DVertex( d,-d,-1, 0,0,1, c, o, t); vertices[2] = video::S3DVertex( d, d,-1, 0,0,1, c, o, o); vertices[3] = video::S3DVertex(-d, d,-1, 0,0,1, c, t, o); for(u32 i=0; i<4; i++){ // Switch from -Z (south) to +X (east) vertices[i].Pos.rotateXZBy(90); vertices[i].Pos.rotateXYBy(wicked_time_of_day * 360 - 90); } driver->drawIndexedTriangleFan(&vertices[0], 4, indices, 2); d = sunsize; vertices[0] = video::S3DVertex(-d,-d,-1, 0,0,1, suncolor, t, t); vertices[1] = video::S3DVertex( d,-d,-1, 0,0,1, suncolor, o, t); vertices[2] = video::S3DVertex( d, d,-1, 0,0,1, suncolor, o, o); vertices[3] = video::S3DVertex(-d, d,-1, 0,0,1, suncolor, t, o); for(u32 i=0; i<4; i++){ // Switch from -Z (south) to +X (east) vertices[i].Pos.rotateXZBy(90); vertices[i].Pos.rotateXYBy(wicked_time_of_day * 360 - 90); } driver->drawIndexedTriangleFan(&vertices[0], 4, indices, 2); d = sunsize * 0.7; vertices[0] = video::S3DVertex(-d,-d,-1, 0,0,1, suncolor2, t, t); vertices[1] = video::S3DVertex( d,-d,-1, 0,0,1, suncolor2, o, t); vertices[2] = video::S3DVertex( d, d,-1, 0,0,1, suncolor2, o, o); vertices[3] = video::S3DVertex(-d, d,-1, 0,0,1, suncolor2, t, o); for(u32 i=0; i<4; i++){ // Switch from -Z (south) to +X (east) vertices[i].Pos.rotateXZBy(90); vertices[i].Pos.rotateXYBy(wicked_time_of_day * 360 - 90); } driver->drawIndexedTriangleFan(&vertices[0], 4, indices, 2); } else { driver->setMaterial(m_materials[3]); float d = sunsize * 1.7; video::SColor c; if (m_sun_tonemap) c = video::SColor (0,0,0,0); else c = video::SColor (255,255,255,255); vertices[0] = video::S3DVertex(-d,-d,-1, 0,0,1, c, t, t); vertices[1] = video::S3DVertex( d,-d,-1, 0,0,1, c, o, t); vertices[2] = video::S3DVertex( d, d,-1, 0,0,1, c, o, o); vertices[3] = video::S3DVertex(-d, d,-1, 0,0,1, c, t, o); for(u32 i=0; i<4; i++){ // Switch from -Z (south) to +X (east) vertices[i].Pos.rotateXZBy(90); vertices[i].Pos.rotateXYBy(wicked_time_of_day * 360 - 90); } driver->drawIndexedTriangleFan(&vertices[0], 4, indices, 2); } } // Draw moon if(wicked_time_of_day < 0.3 || wicked_time_of_day > 0.7) { if (!m_moon_texture){ driver->setMaterial(m_materials[1]); float d = moonsize * 1.9; video::SColor c = mooncolor; c.setAlpha(0.05*255); vertices[0] = video::S3DVertex(-d,-d,-1, 0,0,1, c, t, t); vertices[1] = video::S3DVertex( d,-d,-1, 0,0,1, c, o, t); vertices[2] = video::S3DVertex( d, d,-1, 0,0,1, c, o, o); vertices[3] = video::S3DVertex(-d, d,-1, 0,0,1, c, t, o); for(u32 i=0; i<4; i++){ // Switch from -Z (south) to -X (west) vertices[i].Pos.rotateXZBy(-90); vertices[i].Pos.rotateXYBy(wicked_time_of_day * 360 - 90); } driver->drawIndexedTriangleFan(&vertices[0], 4, indices, 2); d = moonsize * 1.3; c = mooncolor; c.setAlpha(0.15*255); vertices[0] = video::S3DVertex(-d,-d,-1, 0,0,1, c, t, t); vertices[1] = video::S3DVertex( d,-d,-1, 0,0,1, c, o, t); vertices[2] = video::S3DVertex( d, d,-1, 0,0,1, c, o, o); vertices[3] = video::S3DVertex(-d, d,-1, 0,0,1, c, t, o); for(u32 i=0; i<4; i++){ // Switch from -Z (south) to -X (west) vertices[i].Pos.rotateXZBy(-90); vertices[i].Pos.rotateXYBy(wicked_time_of_day * 360 - 90); } driver->drawIndexedTriangleFan(&vertices[0], 4, indices, 2); d = moonsize; vertices[0] = video::S3DVertex(-d,-d,-1, 0,0,1, mooncolor, t, t); vertices[1] = video::S3DVertex( d,-d,-1, 0,0,1, mooncolor, o, t); vertices[2] = video::S3DVertex( d, d,-1, 0,0,1, mooncolor, o, o); vertices[3] = video::S3DVertex(-d, d,-1, 0,0,1, mooncolor, t, o); for(u32 i=0; i<4; i++){ // Switch from -Z (south) to -X (west) vertices[i].Pos.rotateXZBy(-90); vertices[i].Pos.rotateXYBy(wicked_time_of_day * 360 - 90); } driver->drawIndexedTriangleFan(&vertices[0], 4, indices, 2); float d2 = moonsize * 0.6; vertices[0] = video::S3DVertex(-d,-d,-1, 0,0,1, mooncolor2, t, t); vertices[1] = video::S3DVertex( d2,-d,-1, 0,0,1, mooncolor2, o, t); vertices[2] = video::S3DVertex( d2, d2,-1, 0,0,1, mooncolor2, o, o); vertices[3] = video::S3DVertex(-d, d2,-1, 0,0,1, mooncolor2, t, o); for(u32 i=0; i<4; i++){ // Switch from -Z (south) to -X (west) vertices[i].Pos.rotateXZBy(-90); vertices[i].Pos.rotateXYBy(wicked_time_of_day * 360 - 90); } driver->drawIndexedTriangleFan(&vertices[0], 4, indices, 2); } else { driver->setMaterial(m_materials[4]); float d = moonsize * 1.9; video::SColor c; if (m_moon_tonemap) c = video::SColor (0,0,0,0); else c = video::SColor (255,255,255,255); vertices[0] = video::S3DVertex(-d,-d,-1, 0,0,1, c, t, t); vertices[1] = video::S3DVertex( d,-d,-1, 0,0,1, c, o, t); vertices[2] = video::S3DVertex( d, d,-1, 0,0,1, c, o, o); vertices[3] = video::S3DVertex(-d, d,-1, 0,0,1, c, t, o); for(u32 i=0; i<4; i++){ // Switch from -Z (south) to -X (west) vertices[i].Pos.rotateXZBy(-90); vertices[i].Pos.rotateXYBy(wicked_time_of_day * 360 - 90); } driver->drawIndexedTriangleFan(&vertices[0], 4, indices, 2); } } // Stars driver->setMaterial(m_materials[1]); do{ float starbrightness = MYMAX(0, MYMIN(1, (0.285 - fabs(wicked_time_of_day < 0.5 ? wicked_time_of_day : (1.0 - wicked_time_of_day))) * 10)); float f = starbrightness; float d = 0.007; video::SColor starcolor(255, f*90,f*90,f*90); if(starcolor.getBlue() < m_skycolor.getBlue()) break; u16 indices[SKY_STAR_COUNT*4]; video::S3DVertex vertices[SKY_STAR_COUNT*4]; for(u32 i=0; i<SKY_STAR_COUNT; i++){ indices[i*4+0] = i*4+0; indices[i*4+1] = i*4+1; indices[i*4+2] = i*4+2; indices[i*4+3] = i*4+3; v3f p = m_stars[i]; core::CMatrix4<f32> a; a.buildRotateFromTo(v3f(0,1,0), v3f(d,1+d/2,0)); v3f p1 = p; a.rotateVect(p1); a.buildRotateFromTo(v3f(0,1,0), v3f(d,1,d)); v3f p2 = p; a.rotateVect(p2); a.buildRotateFromTo(v3f(0,1,0), v3f(0,1-d/2,d)); v3f p3 = p; a.rotateVect(p3); p.rotateXYBy(wicked_time_of_day * 360 - 90); p1.rotateXYBy(wicked_time_of_day * 360 - 90); p2.rotateXYBy(wicked_time_of_day * 360 - 90); p3.rotateXYBy(wicked_time_of_day * 360 - 90); vertices[i*4+0].Pos = p; vertices[i*4+0].Color = starcolor; vertices[i*4+1].Pos = p1; vertices[i*4+1].Color = starcolor; vertices[i*4+2].Pos = p2; vertices[i*4+2].Color = starcolor; vertices[i*4+3].Pos = p3; vertices[i*4+3].Color = starcolor; } driver->drawVertexPrimitiveList(vertices, SKY_STAR_COUNT*4, indices, SKY_STAR_COUNT, video::EVT_STANDARD, scene::EPT_QUADS, video::EIT_16BIT); }while(0); for(u32 j=0; j<2; j++) { //video::SColor c = m_skycolor; video::SColor c = cloudyfogcolor; vertices[0] = video::S3DVertex(-1,-1.0,-1, 0,0,1, c, t, t); vertices[1] = video::S3DVertex( 1,-1.0,-1, 0,0,1, c, o, t); vertices[2] = video::S3DVertex( 1,-0.02,-1, 0,0,1, c, o, o); vertices[3] = video::S3DVertex(-1,-0.02,-1, 0,0,1, c, t, o); for(u32 i=0; i<4; i++){ //if(wicked_time_of_day < 0.5) if(j==0) // Switch from -Z (south) to +X (east) vertices[i].Pos.rotateXZBy(90); else // Switch from -Z (south) to -X (west) vertices[i].Pos.rotateXZBy(-90); } driver->drawIndexedTriangleFan(&vertices[0], 4, indices, 2); } } } void Sky::update(float time_of_day, float time_brightness, float direct_brightness, bool sunlight_seen, CameraMode cam_mode, float yaw, float pitch) { // Stabilize initial brightness and color values by flooding updates if(m_first_update){ /*dstream<<"First update with time_of_day="<<time_of_day <<" time_brightness="<<time_brightness <<" direct_brightness="<<direct_brightness <<" sunlight_seen="<<sunlight_seen<<std::endl;*/ m_first_update = false; for(u32 i=0; i<100; i++){ update(time_of_day, time_brightness, direct_brightness, sunlight_seen, cam_mode, yaw, pitch); } return; } m_time_of_day = time_of_day; m_time_brightness = time_brightness; m_sunlight_seen = sunlight_seen; bool is_dawn = (time_brightness >= 0.20 && time_brightness < 0.35); //video::SColorf bgcolor_bright_normal_f(170./255,200./255,230./255, 1.0); video::SColorf bgcolor_bright_normal_f(155./255,193./255,240./255, 1.0); video::SColorf bgcolor_bright_indoor_f(100./255,100./255,100./255, 1.0); //video::SColorf bgcolor_bright_dawn_f(0.666,200./255*0.7,230./255*0.5,1.0); //video::SColorf bgcolor_bright_dawn_f(0.666,0.549,0.220,1.0); //video::SColorf bgcolor_bright_dawn_f(0.666*1.2,0.549*1.0,0.220*1.0, 1.0); //video::SColorf bgcolor_bright_dawn_f(0.666*1.2,0.549*1.0,0.220*1.2,1.0); video::SColorf bgcolor_bright_dawn_f (155./255*1.2,193./255,240./255, 1.0); video::SColorf skycolor_bright_normal_f = video::SColor(255, 140, 186, 250); video::SColorf skycolor_bright_dawn_f = video::SColor(255, 180, 186, 250); video::SColorf cloudcolor_bright_normal_f = video::SColor(255, 240,240,255); //video::SColorf cloudcolor_bright_dawn_f(1.0, 0.591, 0.4); //video::SColorf cloudcolor_bright_dawn_f(1.0, 0.65, 0.44); //video::SColorf cloudcolor_bright_dawn_f(1.0, 0.7, 0.5); video::SColorf cloudcolor_bright_dawn_f(1.0, 0.875, 0.75); float cloud_color_change_fraction = 0.95; if(sunlight_seen){ if(fabs(time_brightness - m_brightness) < 0.2){ m_brightness = m_brightness * 0.95 + time_brightness * 0.05; } else { m_brightness = m_brightness * 0.80 + time_brightness * 0.20; cloud_color_change_fraction = 0.0; } } else{ if(direct_brightness < m_brightness) m_brightness = m_brightness * 0.95 + direct_brightness * 0.05; else m_brightness = m_brightness * 0.98 + direct_brightness * 0.02; } m_clouds_visible = true; float color_change_fraction = 0.98; if(sunlight_seen){ if(is_dawn){ m_bgcolor_bright_f = m_bgcolor_bright_f.getInterpolated( bgcolor_bright_dawn_f, color_change_fraction); m_skycolor_bright_f = m_skycolor_bright_f.getInterpolated( skycolor_bright_dawn_f, color_change_fraction); m_cloudcolor_bright_f = m_cloudcolor_bright_f.getInterpolated( cloudcolor_bright_dawn_f, color_change_fraction); } else { m_bgcolor_bright_f = m_bgcolor_bright_f.getInterpolated( bgcolor_bright_normal_f, color_change_fraction); m_skycolor_bright_f = m_skycolor_bright_f.getInterpolated( skycolor_bright_normal_f, color_change_fraction); m_cloudcolor_bright_f = m_cloudcolor_bright_f.getInterpolated( cloudcolor_bright_normal_f, color_change_fraction); } } else { m_bgcolor_bright_f = m_bgcolor_bright_f.getInterpolated( bgcolor_bright_indoor_f, color_change_fraction); m_skycolor_bright_f = m_skycolor_bright_f.getInterpolated( bgcolor_bright_indoor_f, color_change_fraction); m_cloudcolor_bright_f = m_cloudcolor_bright_f.getInterpolated( cloudcolor_bright_normal_f, color_change_fraction); m_clouds_visible = false; } video::SColor bgcolor_bright = m_bgcolor_bright_f.toSColor(); m_bgcolor = video::SColor( 255, bgcolor_bright.getRed() * m_brightness, bgcolor_bright.getGreen() * m_brightness, bgcolor_bright.getBlue() * m_brightness); video::SColor skycolor_bright = m_skycolor_bright_f.toSColor(); m_skycolor = video::SColor( 255, skycolor_bright.getRed() * m_brightness, skycolor_bright.getGreen() * m_brightness, skycolor_bright.getBlue() * m_brightness); // Horizon coloring based on sun and moon direction during sunset and sunrise video::SColor pointcolor = video::SColor(255, 255, 255, m_bgcolor.getAlpha()); if (m_directional_colored_fog) { if (m_horizon_blend() != 0) { // calculate hemisphere value from yaw, (inverted in third person front view) s8 dir_factor = 1; if (cam_mode > CAMERA_MODE_THIRD) dir_factor = -1; f32 pointcolor_blend = wrapDegrees_0_360( yaw*dir_factor + 90); if (pointcolor_blend > 180) pointcolor_blend = 360 - pointcolor_blend; pointcolor_blend /= 180; // bound view angle to determine where transition starts and ends pointcolor_blend = rangelim(1 - pointcolor_blend * 1.375, 0, 1 / 1.375) * 1.375; // combine the colors when looking up or down, otherwise turning looks weird pointcolor_blend += (0.5 - pointcolor_blend) * (1 - MYMIN((90 - std::abs(pitch)) / 90 * 1.5, 1)); // invert direction to match where the sun and moon are rising if (m_time_of_day > 0.5) pointcolor_blend = 1 - pointcolor_blend; // horizon colors of sun and moon f32 pointcolor_light = rangelim(m_time_brightness * 3, 0.2, 1); video::SColorf pointcolor_sun_f(1, 1, 1, 1); if (m_sun_tonemap) { pointcolor_sun_f.r = pointcolor_light * (float)m_materials[3].EmissiveColor.getRed() / 255; pointcolor_sun_f.b = pointcolor_light * (float)m_materials[3].EmissiveColor.getBlue() / 255; pointcolor_sun_f.g = pointcolor_light * (float)m_materials[3].EmissiveColor.getGreen() / 255; } else { pointcolor_sun_f.r = pointcolor_light * 1; pointcolor_sun_f.b = pointcolor_light * (0.25 + (rangelim(m_time_brightness, 0.25, 0.75) - 0.25) * 2 * 0.75); pointcolor_sun_f.g = pointcolor_light * (pointcolor_sun_f.b * 0.375 + (rangelim(m_time_brightness, 0.05, 0.15) - 0.05) * 10 * 0.625); } video::SColorf pointcolor_moon_f(0.5 * pointcolor_light, 0.6 * pointcolor_light, 0.8 * pointcolor_light, 1); if (m_moon_tonemap) { pointcolor_moon_f.r = pointcolor_light * (float)m_materials[4].EmissiveColor.getRed() / 255; pointcolor_moon_f.b = pointcolor_light * (float)m_materials[4].EmissiveColor.getBlue() / 255; pointcolor_moon_f.g = pointcolor_light * (float)m_materials[4].EmissiveColor.getGreen() / 255; } video::SColor pointcolor_sun = pointcolor_sun_f.toSColor(); video::SColor pointcolor_moon = pointcolor_moon_f.toSColor(); // calculate the blend color pointcolor = m_mix_scolor(pointcolor_moon, pointcolor_sun, pointcolor_blend); } m_bgcolor = m_mix_scolor(m_bgcolor, pointcolor, m_horizon_blend() * 0.5); m_skycolor = m_mix_scolor(m_skycolor, pointcolor, m_horizon_blend() * 0.25); } float cloud_direct_brightness = 0; if(sunlight_seen) { if (!m_directional_colored_fog) { cloud_direct_brightness = time_brightness; if(time_brightness >= 0.2 && time_brightness < 0.7) cloud_direct_brightness *= 1.3; } else { cloud_direct_brightness = MYMIN(m_horizon_blend() * 0.15 + m_time_brightness, 1); } } else { cloud_direct_brightness = direct_brightness; } m_cloud_brightness = m_cloud_brightness * cloud_color_change_fraction + cloud_direct_brightness * (1.0 - cloud_color_change_fraction); m_cloudcolor_f = video::SColorf( m_cloudcolor_bright_f.r * m_cloud_brightness, m_cloudcolor_bright_f.g * m_cloud_brightness, m_cloudcolor_bright_f.b * m_cloud_brightness, 1.0); if (m_directional_colored_fog) { m_cloudcolor_f = m_mix_scolorf(m_cloudcolor_f, video::SColorf(pointcolor), m_horizon_blend() * 0.25); } }