Ejemplo n.º 1
0
//! 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();
			if (!texels)
				return;
			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();
			if (!texels)
				return;
			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);

		v3POS player_position = floatToInt(camera->getPosition(), BS)+camera_offset;
		float shift1 = -(float)player_position.Y / MAP_GENERATION_LIMIT;
		float shifty = shift1 * 0.4;
		
		// 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+shifty,-1, 0,0,1, c, t, t);
			vertices[1] = video::S3DVertex( 1, 0.08+shifty,-1, 0,0,1, c, o, t);
			vertices[2] = video::S3DVertex( 1, 0.12+shifty,-1, 0,0,1, c, o, o);
			vertices[3] = video::S3DVertex(-1, 0.12+shifty,-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, 0, 0,0,0, c, t, t);
			vertices[1] = video::S3DVertex( 1,-1.0, 0, 0,0,0, c, o, t);
			vertices[2] = video::S3DVertex( 1, 0.08+shifty,-1, 0,0,1, c, o, o);
			vertices[3] = video::S3DVertex(-1, 0.08+shifty,-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 + 0.06 * shift1;
			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+shifty,-1, 0,0,1, c, t, t);
			vertices[1] = video::S3DVertex( 1,-0.05+y+shifty,-1, 0,0,1, c, o, t);
			vertices[2] = video::S3DVertex( 1, 0.2+y+shifty,-1, 0,0,1, c, o, o);
			vertices[3] = video::S3DVertex(-1, 0.2+y+shifty,-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);
		}

		bool sun_light_drawed = false;
		// 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)
					sky_rotate(camera, SKY_ROTATE::SUN, wicked_time_of_day, vertices[i].Pos);
				}
				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)
					sky_rotate(camera, SKY_ROTATE::SUN, wicked_time_of_day, vertices[i].Pos);
				}
				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)
					sky_rotate(camera, SKY_ROTATE::SUN, wicked_time_of_day, vertices[i].Pos);
				}
				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)
					sky_rotate(camera, SKY_ROTATE::SUN, wicked_time_of_day, vertices[i].Pos);
				}
				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)
					sky_rotate(camera, SKY_ROTATE::SUN, wicked_time_of_day, vertices[i].Pos);
				}
				driver->drawIndexedTriangleFan(&vertices[0], 4, indices, 2);
			}

			if (sun_moon_light) {
				auto light_vector = core::vector3df(0, MAP_GENERATION_LIMIT*BS*2, 0);
				sky_rotate(camera, SKY_ROTATE::SUNLIGHT, wicked_time_of_day, light_vector);
				if (light_vector.Y > 0) {
					sun_moon_light->setPosition(light_vector);
					sun_light_drawed = true;
				}
			}

		}

		// 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)
					sky_rotate(camera, SKY_ROTATE::MOON, wicked_time_of_day, vertices[i].Pos);
				}
				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)
					sky_rotate(camera, SKY_ROTATE::MOON, wicked_time_of_day, vertices[i].Pos);
				}
				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)
					sky_rotate(camera, SKY_ROTATE::MOON, wicked_time_of_day, vertices[i].Pos);
				}
				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)
					sky_rotate(camera, SKY_ROTATE::MOON, wicked_time_of_day, vertices[i].Pos);
				}
				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)
					sky_rotate(camera, SKY_ROTATE::MOON, wicked_time_of_day, vertices[i].Pos);
				}
				driver->drawIndexedTriangleFan(&vertices[0], 4, indices, 2);
			}

			if (!sun_light_drawed && sun_moon_light) {
				auto light_vector = core::vector3df(0, -MAP_GENERATION_LIMIT*BS*2, 0);
				sky_rotate(camera, SKY_ROTATE::MOONLIGHT, wicked_time_of_day, light_vector);
				if (light_vector.Y > 0)
					sun_moon_light->setPosition(light_vector);
			}

		}

		// 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+shifty,-1, 0,0,1, c, o, o);
			vertices[3] = video::S3DVertex(-1,-0.02+shifty,-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);
		}

	}
}
Ejemplo n.º 2
0
//! renders the node.
void Sky::render()
{
	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 = 0.41;
		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();

		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[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);
		}

		driver->setMaterial(m_materials[1]);
		
		// Draw sun
		if(wicked_time_of_day > 0.15 && wicked_time_of_day < 0.85)
		{
			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);
		}
		// Draw moon
		if(wicked_time_of_day < 0.3 || wicked_time_of_day > 0.7)
		{
			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);
		}
		// Stars
		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++)
		{
			vertices[0] = video::S3DVertex(-1,-1.0,-1, 0,0,1, m_skycolor, t, t);
			vertices[1] = video::S3DVertex( 1,-1.0,-1, 0,0,1, m_skycolor, o, t);
			vertices[2] = video::S3DVertex( 1,-0.02,-1, 0,0,1, m_skycolor, o, o);
			vertices[3] = video::S3DVertex(-1,-0.02,-1, 0,0,1, m_skycolor, 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);
		}
	}
}
Ejemplo n.º 3
0
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);
		// The values below were probably meant to be suncolor2_f instead of a
		// reassignment of suncolor_f. However, the resulting colour was chosen
		// and is our long-running classic colour. So preserve, but comment-out
		// the unnecessary first assignments above.
		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 = m_bgcolor;

		// Draw far cloudy fog thing blended with skycolor
		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 (video::S3DVertex &vertex : vertices) {
				if (j == 0)
					// Don't switch
					{}
				else if (j == 1)
					// Switch from -Z (south) to +X (east)
					vertex.Pos.rotateXZBy(90);
				else if (j == 2)
					// Switch from -Z (south) to -X (west)
					vertex.Pos.rotateXZBy(-90);
				else
					// Switch from -Z (south) to +Z (north)
					vertex.Pos.rotateXZBy(-180);
			}
			driver->drawIndexedTriangleFan(&vertices[0], 4, indices, 2);
		}

		// Draw far cloudy fog thing
		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 (video::S3DVertex &vertex : vertices) {
				if (j == 0)
					// Don't switch
					{}
				else if (j == 1)
					// Switch from -Z (south) to +X (east)
					vertex.Pos.rotateXZBy(90);
				else if (j == 2)
					// Switch from -Z (south) to -X (west)
					vertex.Pos.rotateXZBy(-90);
				else
					// Switch from -Z (south) to +Z (north)
					vertex.Pos.rotateXZBy(-180);
			}
			driver->drawIndexedTriangleFan(&vertices[0], 4, indices, 2);
		}

		// Draw bottom far cloudy fog thing
		video::SColor c = cloudyfogcolor;
		vertices[0] = video::S3DVertex(-1, -1.0, -1, 0, 1, 0, c, t, t);
		vertices[1] = video::S3DVertex( 1, -1.0, -1, 0, 1, 0, c, o, t);
		vertices[2] = video::S3DVertex( 1, -1.0, 1, 0, 1, 0, c, o, o);
		vertices[3] = video::S3DVertex(-1, -1.0, 1, 0, 1, 0, c, t, o);
		driver->drawIndexedTriangleFan(&vertices[0], 4, indices, 2);

		// If sun, moon and stars are (temporarily) disabled, abort here
		if (!m_bodies_visible)
			return;

		driver->setMaterial(m_materials[2]);

		// Draw sunrise/sunset horizon glow texture (textures/base/pack/sunrisebg.png)
		{
			float mid1 = 0.25;
			float mid = wicked_time_of_day < 0.5 ? mid1 : (1.0 - mid1);
			float a_ = 1.0f - std::fabs(wicked_time_of_day - mid) * 35.0f;
			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) * 0.22;
			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 (video::S3DVertex &vertex : vertices) {
				if (wicked_time_of_day < 0.5)
					// Switch from -Z (south) to +X (east)
					vertex.Pos.rotateXZBy(90);
				else
					// Switch from -Z (south) to -X (west)
					vertex.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 (video::S3DVertex &vertex : vertices) {
					// Switch from -Z (south) to +X (east)
					vertex.Pos.rotateXZBy(90);
					vertex.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 (video::S3DVertex &vertex : vertices) {
					// Switch from -Z (south) to +X (east)
					vertex.Pos.rotateXZBy(90);
					vertex.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 (video::S3DVertex &vertex : vertices) {
					// Switch from -Z (south) to +X (east)
					vertex.Pos.rotateXZBy(90);
					vertex.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 (video::S3DVertex &vertex : vertices) {
					// Switch from -Z (south) to +X (east)
					vertex.Pos.rotateXZBy(90);
					vertex.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 (video::S3DVertex &vertex : vertices) {
					// Switch from -Z (south) to +X (east)
					vertex.Pos.rotateXZBy(90);
					vertex.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 (video::S3DVertex &vertex : vertices) {
					// Switch from -Z (south) to -X (west)
					vertex.Pos.rotateXZBy(-90);
					vertex.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 (video::S3DVertex &vertex : vertices) {
					// Switch from -Z (south) to -X (west)
					vertex.Pos.rotateXZBy(-90);
					vertex.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 (video::S3DVertex &vertex : vertices) {
					// Switch from -Z (south) to -X (west)
					vertex.Pos.rotateXZBy(-90);
					vertex.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 (video::S3DVertex &vertex : vertices) {
					// Switch from -Z (south) to -X (west)
					vertex.Pos.rotateXZBy(-90);
					vertex.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 (video::S3DVertex &vertex : vertices) {
					// Switch from -Z (south) to -X (west)
					vertex.Pos.rotateXZBy(-90);
					vertex.Pos.rotateXYBy(wicked_time_of_day * 360 - 90);
				}
				driver->drawIndexedTriangleFan(&vertices[0], 4, indices, 2);
			}
		}

		// Draw stars
		do {
			driver->setMaterial(m_materials[1]);
			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(false);

		// Draw far cloudy fog thing below east and west horizons
		for (u32 j = 0; j < 2; 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, -0.02, -1, 0, 0, 1, c, o, o);
			vertices[3] = video::S3DVertex(-1, -0.02, -1, 0, 0, 1, c, t, o);
			for (video::S3DVertex &vertex : vertices) {
				//if (wicked_time_of_day < 0.5)
				if (j == 0)
					// Switch from -Z (south) to +X (east)
					vertex.Pos.rotateXZBy(90);
				else
					// Switch from -Z (south) to -X (west)
					vertex.Pos.rotateXZBy(-90);
			}
			driver->drawIndexedTriangleFan(&vertices[0], 4, indices, 2);
		}
	}
}