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- #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 "client/renderingengine.h"
- #include "settings.h"
- #include "camera.h" // CameraModes
- Sky::Sky(s32 id, ITextureSource *tsrc):
- scene::ISceneNode(RenderingEngine::get_scene_manager()->getRootSceneNode(),
- RenderingEngine::get_scene_manager(), id)
- {
- setAutomaticCulling(scene::EAC_OFF);
- m_box.MaxEdge.set(0, 0, 0);
- m_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 (v3f &star : m_stars) {
- star = v3f(
- myrand_range(-10000, 10000),
- myrand_range(-10000, 10000),
- myrand_range(-10000, 10000)
- );
- star.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();
- }
- 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 = 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_ = 1.0 - 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) * 0.22;
- 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);
- }
- }
- }
- 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;
- m_bodies_visible = true;
- bool is_dawn = (time_brightness >= 0.20 && time_brightness < 0.35);
- /*
- 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);
- // pure white: becomes "diffuse light component" for clouds
- video::SColorf cloudcolor_bright_normal_f = video::SColor(255, 255, 255, 255);
- // dawn-factoring version of pure white (note: R is above 1.0)
- video::SColorf cloudcolor_bright_dawn_f(255.0f/240.0f, 223.0f/240.0f, 191.0f/255.0f);
- 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) { // 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 {
- 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(
- 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(m_bgcolor.getAlpha(), 255, 255, 255);
- 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::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
- 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);
- }
- }
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