Merge 0.4.15 changes into stable-0.4

0.4.15 release!

1 files changed, 281 insertions, 252 deletions

diff --git a/src/sky.cpp b/src/sky.cpp
index 682ff05e3..211a2dcdc 100644
--- a/src/sky.cpp
+++ b/src/sky.cpp
@@ -4,37 +4,37 @@
 #include "ICameraSceneNode.h"
 #include "S3DVertex.h"
 #include "client/tile.h"
-#include "noise.h"            // easeCurve
+#include "noise.h"  // easeCurve
 #include "profiler.h"
 #include "util/numeric.h"
 #include <cmath>
 #include "settings.h"
-#include "camera.h"           // CameraModes
+#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_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)
+		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);
-	m_box.MaxEdge.set(0,0,0);
-	m_box.MinEdge.set(0,0,0);
+	m_box.MaxEdge.set(0, 0, 0);
+	m_box.MinEdge.set(0, 0, 0);
 
-	// create material
+	// Create material
 
 	video::SMaterial mat;
 	mat.Lighting = false;
 	mat.ZBuffer = video::ECFN_NEVER;
 	mat.ZWriteEnable = false;
-	mat.AntiAliasing=0;
+	mat.AntiAliasing = 0;
 	mat.TextureLayer[0].TextureWrapU = video::ETC_CLAMP_TO_EDGE;
 	mat.TextureLayer[0].TextureWrapV = video::ETC_CLAMP_TO_EDGE;
 	mat.BackfaceCulling = false;
@@ -59,14 +59,15 @@ Sky::Sky(scene::ISceneNode* parent, scene::ISceneManager* mgr, s32 id,
 	m_moon_tonemap = tsrc->isKnownSourceImage("moon_tonemap.png") ?
 		tsrc->getTexture("moon_tonemap.png") : NULL;
 
-	if (m_sun_texture){
+	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){
+
+	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;
@@ -74,11 +75,11 @@ Sky::Sky(scene::ISceneNode* parent, scene::ISceneManager* mgr, s32 id,
 			m_materials[4].Lighting = true;
 	}
 
-	for(u32 i=0; i<SKY_STAR_COUNT; i++){
+	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)
+			myrand_range(-10000, 10000),
+			myrand_range(-10000, 10000),
+			myrand_range(-10000, 10000)
 		);
 		m_stars[i].normalize();
 	}
@@ -86,6 +87,7 @@ Sky::Sky(scene::ISceneNode* parent, scene::ISceneManager* mgr, s32 id,
 	m_directional_colored_fog = g_settings->getBool("directional_colored_fog");
 }
 
+
 void Sky::OnRegisterSceneNode()
 {
 	if (IsVisible)
@@ -94,10 +96,10 @@ void Sky::OnRegisterSceneNode()
 	scene::ISceneNode::OnRegisterSceneNode();
 }
 
-//! renders the node.
+
 void Sky::render()
 {
-	if(!m_visible)
+	if (!m_visible)
 		return;
 
 	video::IVideoDriver* driver = SceneManager->getVideoDriver();
@@ -108,7 +110,7 @@ void Sky::render()
 	
 	ScopeProfiler sp(g_profiler, "Sky::render()", SPT_AVG);
 
-	// draw perspective skybox
+	// Draw perspective skybox
 
 	core::matrix4 translate(AbsoluteTransformation);
 	translate.setTranslation(camera->getAbsolutePosition());
@@ -120,16 +122,15 @@ void Sky::render()
 
 	driver->setTransform(video::ETS_WORLD, translate * scale);
 
-	if(m_sunlight_seen)
-	{
+	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);
+		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.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;
@@ -139,12 +140,12 @@ void Sky::render()
 		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)
+		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);
+			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;*/
 
@@ -154,98 +155,108 @@ void Sky::render()
 		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;
+		float offset = (1.0 - fabs(sin((m_time_of_day - 0.5) * irr::core::PI))) * 511;
 
-		if (m_sun_tonemap){
+		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());
+			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){
+
+		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());
+			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};
+		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++)
-		{
+		// 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(u32 i=0; i<4; i++){
-				if(j==0)
+			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)
+				else if (j == 1)
 					// Switch from -Z (south) to +X (east)
 					vertices[i].Pos.rotateXZBy(90);
-				else if(j==2)
+				else if (j == 2)
 					// Switch from -Z (south) to -X (west)
 					vertices[i].Pos.rotateXZBy(-90);
 				else
-					// Switch from -Z (south) to -Z (north)
+					// 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++)
-		{
+
+		// 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(u32 i=0; i<4; i++){
-				if(j==0)
+			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)
+				else if (j == 1)
 					// Switch from -Z (south) to +X (east)
 					vertices[i].Pos.rotateXZBy(90);
-				else if(j==2)
+				else if (j == 2)
 					// Switch from -Z (south) to -X (west)
 					vertices[i].Pos.rotateXZBy(-90);
 				else
-					// Switch from -Z (south) to -Z (north)
+					// Switch from -Z (south) to +Z (north)
 					vertices[i].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);
+
 		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 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)
+			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 (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
@@ -256,17 +267,17 @@ void Sky::render()
 		}
 
 		// Draw sun
-		if(wicked_time_of_day > 0.15 && wicked_time_of_day < 0.85){
-			if (!m_sun_texture){
+		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++){
+				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);
@@ -275,12 +286,12 @@ void Sky::render()
 
 				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++){
+				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);
@@ -288,11 +299,11 @@ void Sky::render()
 				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++){
+				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);
@@ -300,11 +311,11 @@ void Sky::render()
 				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++){
+				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);
@@ -315,14 +326,14 @@ void Sky::render()
 				float d = sunsize * 1.7;
 				video::SColor c;
 				if (m_sun_tonemap)
-					c = video::SColor (0,0,0,0);
+					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++){
+					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);
@@ -332,18 +343,17 @@ void Sky::render()
 		}
 
 		// Draw moon
-		if(wicked_time_of_day < 0.3 || wicked_time_of_day > 0.7)
-		{
-			if (!m_moon_texture){
+		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++){
+				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);
@@ -352,12 +362,12 @@ void Sky::render()
 			
 				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++){
+				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);
@@ -365,11 +375,11 @@ void Sky::render()
 				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++){
+				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);
@@ -377,11 +387,11 @@ void Sky::render()
 				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++){
+				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);
@@ -392,14 +402,14 @@ void Sky::render()
 				float d = moonsize * 1.9;
 				video::SColor c;
 				if (m_moon_tonemap)
-					c = video::SColor (0,0,0,0);
+					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++){
+					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);
@@ -408,64 +418,63 @@ void Sky::render()
 			}
 		}
 
-		// Stars
+		// Draw stars
 		driver->setMaterial(m_materials[1]);
-		do{
+		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));
+				(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())
+			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;
+			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));
+				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));
+				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));
+				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;
+				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);
+			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;
+		// 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(u32 i=0; i<4; i++){
-				//if(wicked_time_of_day < 0.5)
-				if(j==0)
+			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
@@ -477,20 +486,21 @@ void Sky::render()
 	}
 }
 
+
 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){
+	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++){
+		for (u32 i = 0; i < 100; i++) {
 			update(time_of_day, time_brightness, direct_brightness,
-					sunlight_seen, cam_mode, yaw, pitch);
+				sunlight_seen, cam_mode, yaw, pitch);
 		}
 		return;
 	}
@@ -501,39 +511,42 @@ void Sky::update(float time_of_day, float time_brightness,
 	
 	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);
+	/*
+	Development colours
+
+	video::SColorf bgcolor_bright_normal_f(170. / 255, 200. / 255, 230. / 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 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 bgcolor_bright_normal_f = video::SColor(255, 155, 193, 240);
+	video::SColorf bgcolor_bright_indoor_f = video::SColor(255, 100, 100, 100);
+	video::SColorf bgcolor_bright_dawn_f = video::SColor(255, 186, 193, 240);
+	video::SColorf bgcolor_bright_night_f = video::SColor(255, 64, 144, 255);
+
+	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 skycolor_bright_night_f = video::SColor(255, 0, 107, 255);
 	
-	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);
+	video::SColorf cloudcolor_bright_normal_f = video::SColor(255, 240, 240, 255);
+	video::SColorf cloudcolor_bright_dawn_f = video::SColor(255, 255, 223, 191);
 
 	float cloud_color_change_fraction = 0.95;
-	if(sunlight_seen){
-		if(fabs(time_brightness - m_brightness) < 0.2){
+	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)
+	} 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;
@@ -541,29 +554,37 @@ void Sky::update(float time_of_day, float time_brightness,
 	
 	m_clouds_visible = true;
 	float color_change_fraction = 0.98;
-	if(sunlight_seen){
-		if(is_dawn){
+	if (sunlight_seen) {
+		if (is_dawn) {  // Dawn
 			m_bgcolor_bright_f = m_bgcolor_bright_f.getInterpolated(
-					bgcolor_bright_dawn_f, color_change_fraction);
+				bgcolor_bright_dawn_f, color_change_fraction);
 			m_skycolor_bright_f = m_skycolor_bright_f.getInterpolated(
-					skycolor_bright_dawn_f, color_change_fraction);
+				skycolor_bright_dawn_f, color_change_fraction);
 			m_cloudcolor_bright_f = m_cloudcolor_bright_f.getInterpolated(
-					cloudcolor_bright_dawn_f, color_change_fraction);
+				cloudcolor_bright_dawn_f, color_change_fraction);
 		} else {
-			m_bgcolor_bright_f = m_bgcolor_bright_f.getInterpolated(
+			if (time_brightness < 0.07) {  // Night
+				m_bgcolor_bright_f = m_bgcolor_bright_f.getInterpolated(
+					bgcolor_bright_night_f, color_change_fraction);
+				m_skycolor_bright_f = m_skycolor_bright_f.getInterpolated(
+					skycolor_bright_night_f, color_change_fraction);
+			} else {  // Day
+				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(
+				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);
+				cloudcolor_bright_normal_f, color_change_fraction);
 		}
 	} else {
 		m_bgcolor_bright_f = m_bgcolor_bright_f.getInterpolated(
-				bgcolor_bright_indoor_f, color_change_fraction);
+			bgcolor_bright_indoor_f, color_change_fraction);
 		m_skycolor_bright_f = m_skycolor_bright_f.getInterpolated(
-				bgcolor_bright_indoor_f, color_change_fraction);
+			bgcolor_bright_indoor_f, color_change_fraction);
 		m_cloudcolor_bright_f = m_cloudcolor_bright_f.getInterpolated(
-				cloudcolor_bright_normal_f, color_change_fraction);
+			cloudcolor_bright_normal_f, color_change_fraction);
 		m_clouds_visible = false;
 	}
 
@@ -572,63 +593,71 @@ void Sky::update(float time_of_day, float time_brightness,
 		255,
 		bgcolor_bright.getRed() * m_brightness,
 		bgcolor_bright.getGreen() * m_brightness,
-		bgcolor_bright.getBlue() * 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);
+		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)
+		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);
+			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
+			// 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::fabs(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
+			// 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
-			{
+			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);
+				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::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
+			// 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);
@@ -636,29 +665,29 @@ void Sky::update(float time_of_day, float time_brightness,
 	}
 
 	float cloud_direct_brightness = 0;
-	if(sunlight_seen) {
+	if (sunlight_seen) {
 		if (!m_directional_colored_fog) {
 			cloud_direct_brightness = time_brightness;
-			if(time_brightness >= 0.2 && time_brightness < 0.7)
+			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 = 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);
+		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);
+		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);
+		m_cloudcolor_f = m_mix_scolorf(m_cloudcolor_f,
+			video::SColorf(pointcolor), m_horizon_blend() * 0.25);
 	}
-
 }
-
-