2 #include "IVideoDriver.h"
3 #include "ISceneManager.h"
4 #include "ICameraSceneNode.h"
6 #include "client/tile.h"
7 #include "noise.h" // easeCurve
9 #include "util/numeric.h"
12 #include "camera.h" // CameraModes
15 Sky::Sky(scene::ISceneNode* parent, scene::ISceneManager* mgr, s32 id,
16 ITextureSource *tsrc):
17 scene::ISceneNode(parent, mgr, id),
19 m_fallback_bg_color(255, 255, 255, 255),
22 m_cloud_brightness(0.5),
23 m_bgcolor_bright_f(1, 1, 1, 1),
24 m_skycolor_bright_f(1, 1, 1, 1),
25 m_cloudcolor_bright_f(1, 1, 1, 1)
27 setAutomaticCulling(scene::EAC_OFF);
28 m_box.MaxEdge.set(0, 0, 0);
29 m_box.MinEdge.set(0, 0, 0);
35 mat.ZBuffer = video::ECFN_NEVER;
36 mat.ZWriteEnable = false;
38 mat.TextureLayer[0].TextureWrapU = video::ETC_CLAMP_TO_EDGE;
39 mat.TextureLayer[0].TextureWrapV = video::ETC_CLAMP_TO_EDGE;
40 mat.BackfaceCulling = false;
45 //m_materials[1].MaterialType = video::EMT_TRANSPARENT_VERTEX_ALPHA;
46 m_materials[1].MaterialType = video::EMT_TRANSPARENT_ALPHA_CHANNEL;
49 m_materials[2].setTexture(0, tsrc->getTextureForMesh("sunrisebg.png"));
50 m_materials[2].MaterialType = video::EMT_TRANSPARENT_ALPHA_CHANNEL;
51 //m_materials[2].MaterialType = video::EMT_TRANSPARENT_ADD_COLOR;
53 m_sun_texture = tsrc->isKnownSourceImage("sun.png") ?
54 tsrc->getTextureForMesh("sun.png") : NULL;
55 m_moon_texture = tsrc->isKnownSourceImage("moon.png") ?
56 tsrc->getTextureForMesh("moon.png") : NULL;
57 m_sun_tonemap = tsrc->isKnownSourceImage("sun_tonemap.png") ?
58 tsrc->getTexture("sun_tonemap.png") : NULL;
59 m_moon_tonemap = tsrc->isKnownSourceImage("moon_tonemap.png") ?
60 tsrc->getTexture("moon_tonemap.png") : NULL;
64 m_materials[3].setTexture(0, m_sun_texture);
65 m_materials[3].MaterialType = video::EMT_TRANSPARENT_ALPHA_CHANNEL;
67 m_materials[3].Lighting = true;
72 m_materials[4].setTexture(0, m_moon_texture);
73 m_materials[4].MaterialType = video::EMT_TRANSPARENT_ALPHA_CHANNEL;
75 m_materials[4].Lighting = true;
78 for (u32 i = 0; i < SKY_STAR_COUNT; i++) {
80 myrand_range(-10000, 10000),
81 myrand_range(-10000, 10000),
82 myrand_range(-10000, 10000)
84 m_stars[i].normalize();
87 m_directional_colored_fog = g_settings->getBool("directional_colored_fog");
91 void Sky::OnRegisterSceneNode()
94 SceneManager->registerNodeForRendering(this, scene::ESNRP_SKY_BOX);
96 scene::ISceneNode::OnRegisterSceneNode();
105 video::IVideoDriver* driver = SceneManager->getVideoDriver();
106 scene::ICameraSceneNode* camera = SceneManager->getActiveCamera();
108 if (!camera || !driver)
111 ScopeProfiler sp(g_profiler, "Sky::render()", SPT_AVG);
113 // Draw perspective skybox
115 core::matrix4 translate(AbsoluteTransformation);
116 translate.setTranslation(camera->getAbsolutePosition());
118 // Draw the sky box between the near and far clip plane
119 const f32 viewDistance = (camera->getNearValue() + camera->getFarValue()) * 0.5f;
121 scale.setScale(core::vector3df(viewDistance, viewDistance, viewDistance));
123 driver->setTransform(video::ETS_WORLD, translate * scale);
125 if (m_sunlight_seen) {
126 float sunsize = 0.07;
127 video::SColorf suncolor_f(1, 1, 0, 1);
129 suncolor_f.g = MYMAX(0.3, MYMIN(1.0, 0.7 + m_time_brightness * 0.5));
130 suncolor_f.b = MYMAX(0.0, m_brightness * 0.95);
131 video::SColorf suncolor2_f(1, 1, 1, 1);
133 suncolor_f.g = MYMAX(0.3, MYMIN(1.0, 0.85 + m_time_brightness * 0.5));
134 suncolor_f.b = MYMAX(0.0, m_brightness);
136 float moonsize = 0.04;
137 video::SColorf mooncolor_f(0.50, 0.57, 0.65, 1);
138 video::SColorf mooncolor2_f(0.85, 0.875, 0.9, 1);
140 float nightlength = 0.415;
141 float wn = nightlength / 2;
142 float wicked_time_of_day = 0;
143 if (m_time_of_day > wn && m_time_of_day < 1.0 - wn)
144 wicked_time_of_day = (m_time_of_day - wn) / (1.0 - wn * 2) * 0.5 + 0.25;
145 else if (m_time_of_day < 0.5)
146 wicked_time_of_day = m_time_of_day / wn * 0.25;
148 wicked_time_of_day = 1.0 - ((1.0 - m_time_of_day) / wn * 0.25);
149 /*std::cerr<<"time_of_day="<<m_time_of_day<<" -> "
150 <<"wicked_time_of_day="<<wicked_time_of_day<<std::endl;*/
152 video::SColor suncolor = suncolor_f.toSColor();
153 video::SColor suncolor2 = suncolor2_f.toSColor();
154 video::SColor mooncolor = mooncolor_f.toSColor();
155 video::SColor mooncolor2 = mooncolor2_f.toSColor();
157 // Calculate offset normalized to the X dimension of a 512x1 px tonemap
158 float offset = (1.0 - fabs(sin((m_time_of_day - 0.5) * irr::core::PI))) * 511;
161 u8 * texels = (u8 *)m_sun_tonemap->lock();
162 video::SColor* texel = (video::SColor *)(texels + (u32)offset * 4);
163 video::SColor texel_color (255, texel->getRed(),
164 texel->getGreen(), texel->getBlue());
165 m_sun_tonemap->unlock();
166 m_materials[3].EmissiveColor = texel_color;
169 if (m_moon_tonemap) {
170 u8 * texels = (u8 *)m_moon_tonemap->lock();
171 video::SColor* texel = (video::SColor *)(texels + (u32)offset * 4);
172 video::SColor texel_color (255, texel->getRed(),
173 texel->getGreen(), texel->getBlue());
174 m_moon_tonemap->unlock();
175 m_materials[4].EmissiveColor = texel_color;
180 static const u16 indices[4] = {0, 1, 2, 3};
181 video::S3DVertex vertices[4];
183 driver->setMaterial(m_materials[1]);
185 video::SColor cloudyfogcolor = m_bgcolor;
187 // Draw far cloudy fog thing blended with skycolor
188 for (u32 j = 0; j < 4; j++) {
189 video::SColor c = cloudyfogcolor.getInterpolated(m_skycolor, 0.45);
190 vertices[0] = video::S3DVertex(-1, 0.08, -1, 0, 0, 1, c, t, t);
191 vertices[1] = video::S3DVertex( 1, 0.08, -1, 0, 0, 1, c, o, t);
192 vertices[2] = video::S3DVertex( 1, 0.12, -1, 0, 0, 1, c, o, o);
193 vertices[3] = video::S3DVertex(-1, 0.12, -1, 0, 0, 1, c, t, o);
194 for (u32 i = 0; i < 4; i++) {
199 // Switch from -Z (south) to +X (east)
200 vertices[i].Pos.rotateXZBy(90);
202 // Switch from -Z (south) to -X (west)
203 vertices[i].Pos.rotateXZBy(-90);
205 // Switch from -Z (south) to +Z (north)
206 vertices[i].Pos.rotateXZBy(-180);
208 driver->drawIndexedTriangleFan(&vertices[0], 4, indices, 2);
211 // Draw far cloudy fog thing
212 for (u32 j = 0; j < 4; j++) {
213 video::SColor c = cloudyfogcolor;
214 vertices[0] = video::S3DVertex(-1, -1.0, -1, 0, 0, 1, c, t, t);
215 vertices[1] = video::S3DVertex( 1, -1.0, -1, 0, 0, 1, c, o, t);
216 vertices[2] = video::S3DVertex( 1, 0.08, -1, 0, 0, 1, c, o, o);
217 vertices[3] = video::S3DVertex(-1, 0.08, -1, 0, 0, 1, c, t, o);
218 for (u32 i = 0; i < 4; i++) {
223 // Switch from -Z (south) to +X (east)
224 vertices[i].Pos.rotateXZBy(90);
226 // Switch from -Z (south) to -X (west)
227 vertices[i].Pos.rotateXZBy(-90);
229 // Switch from -Z (south) to +Z (north)
230 vertices[i].Pos.rotateXZBy(-180);
232 driver->drawIndexedTriangleFan(&vertices[0], 4, indices, 2);
235 // Draw bottom far cloudy fog thing
236 video::SColor c = cloudyfogcolor;
237 vertices[0] = video::S3DVertex(-1, -1.0, -1, 0, 1, 0, c, t, t);
238 vertices[1] = video::S3DVertex( 1, -1.0, -1, 0, 1, 0, c, o, t);
239 vertices[2] = video::S3DVertex( 1, -1.0, 1, 0, 1, 0, c, o, o);
240 vertices[3] = video::S3DVertex(-1, -1.0, 1, 0, 1, 0, c, t, o);
241 driver->drawIndexedTriangleFan(&vertices[0], 4, indices, 2);
243 driver->setMaterial(m_materials[2]);
245 // Draw sunrise/sunset horizon glow texture (textures/base/pack/sunrisebg.png)
248 float mid = wicked_time_of_day < 0.5 ? mid1 : (1.0 - mid1);
249 float a_ = 1.0 - fabs(wicked_time_of_day - mid) * 35.0;
250 float a = easeCurve(MYMAX(0, MYMIN(1, a_)));
251 //std::cerr<<"a_="<<a_<<" a="<<a<<std::endl;
252 video::SColor c(255, 255, 255, 255);
253 float y = -(1.0 - a) * 0.22;
254 vertices[0] = video::S3DVertex(-1, -0.05 + y, -1, 0, 0, 1, c, t, t);
255 vertices[1] = video::S3DVertex( 1, -0.05 + y, -1, 0, 0, 1, c, o, t);
256 vertices[2] = video::S3DVertex( 1, 0.2 + y, -1, 0, 0, 1, c, o, o);
257 vertices[3] = video::S3DVertex(-1, 0.2 + y, -1, 0, 0, 1, c, t, o);
258 for (u32 i = 0; i < 4; i++) {
259 if (wicked_time_of_day < 0.5)
260 // Switch from -Z (south) to +X (east)
261 vertices[i].Pos.rotateXZBy(90);
263 // Switch from -Z (south) to -X (west)
264 vertices[i].Pos.rotateXZBy(-90);
266 driver->drawIndexedTriangleFan(&vertices[0], 4, indices, 2);
270 if (wicked_time_of_day > 0.15 && wicked_time_of_day < 0.85) {
271 if (!m_sun_texture) {
272 driver->setMaterial(m_materials[1]);
273 float d = sunsize * 1.7;
274 video::SColor c = suncolor;
275 c.setAlpha(0.05 * 255);
276 vertices[0] = video::S3DVertex(-d, -d, -1, 0, 0, 1, c, t, t);
277 vertices[1] = video::S3DVertex( d, -d, -1, 0, 0, 1, c, o, t);
278 vertices[2] = video::S3DVertex( d, d, -1, 0, 0, 1, c, o, o);
279 vertices[3] = video::S3DVertex(-d, d, -1, 0, 0, 1, c, t, o);
280 for (u32 i = 0; i < 4; i++) {
281 // Switch from -Z (south) to +X (east)
282 vertices[i].Pos.rotateXZBy(90);
283 vertices[i].Pos.rotateXYBy(wicked_time_of_day * 360 - 90);
285 driver->drawIndexedTriangleFan(&vertices[0], 4, indices, 2);
289 c.setAlpha(0.15 * 255);
290 vertices[0] = video::S3DVertex(-d, -d, -1, 0, 0, 1, c, t, t);
291 vertices[1] = video::S3DVertex( d, -d, -1, 0, 0, 1, c, o, t);
292 vertices[2] = video::S3DVertex( d, d, -1, 0, 0, 1, c, o, o);
293 vertices[3] = video::S3DVertex(-d, d, -1, 0, 0, 1, c, t, o);
294 for (u32 i = 0; i < 4; i++) {
295 // Switch from -Z (south) to +X (east)
296 vertices[i].Pos.rotateXZBy(90);
297 vertices[i].Pos.rotateXYBy(wicked_time_of_day * 360 - 90);
299 driver->drawIndexedTriangleFan(&vertices[0], 4, indices, 2);
302 vertices[0] = video::S3DVertex(-d, -d, -1, 0, 0, 1, suncolor, t, t);
303 vertices[1] = video::S3DVertex( d, -d, -1, 0, 0, 1, suncolor, o, t);
304 vertices[2] = video::S3DVertex( d, d, -1, 0, 0, 1, suncolor, o, o);
305 vertices[3] = video::S3DVertex(-d, d, -1, 0, 0, 1, suncolor, t, o);
306 for (u32 i = 0; i < 4; i++) {
307 // Switch from -Z (south) to +X (east)
308 vertices[i].Pos.rotateXZBy(90);
309 vertices[i].Pos.rotateXYBy(wicked_time_of_day * 360 - 90);
311 driver->drawIndexedTriangleFan(&vertices[0], 4, indices, 2);
314 vertices[0] = video::S3DVertex(-d, -d, -1, 0, 0, 1, suncolor2, t, t);
315 vertices[1] = video::S3DVertex( d, -d, -1, 0, 0, 1, suncolor2, o, t);
316 vertices[2] = video::S3DVertex( d, d, -1, 0, 0, 1, suncolor2, o, o);
317 vertices[3] = video::S3DVertex(-d, d, -1, 0, 0, 1, suncolor2, t, o);
318 for (u32 i = 0; i < 4; i++) {
319 // Switch from -Z (south) to +X (east)
320 vertices[i].Pos.rotateXZBy(90);
321 vertices[i].Pos.rotateXYBy(wicked_time_of_day * 360 - 90);
323 driver->drawIndexedTriangleFan(&vertices[0], 4, indices, 2);
325 driver->setMaterial(m_materials[3]);
326 float d = sunsize * 1.7;
329 c = video::SColor (0, 0, 0, 0);
331 c = video::SColor (255, 255, 255, 255);
332 vertices[0] = video::S3DVertex(-d, -d, -1, 0, 0, 1, c, t, t);
333 vertices[1] = video::S3DVertex( d, -d, -1, 0, 0, 1, c, o, t);
334 vertices[2] = video::S3DVertex( d, d, -1, 0, 0, 1, c, o, o);
335 vertices[3] = video::S3DVertex(-d, d, -1, 0, 0, 1, c, t, o);
336 for(u32 i = 0; i < 4; i++) {
337 // Switch from -Z (south) to +X (east)
338 vertices[i].Pos.rotateXZBy(90);
339 vertices[i].Pos.rotateXYBy(wicked_time_of_day * 360 - 90);
341 driver->drawIndexedTriangleFan(&vertices[0], 4, indices, 2);
346 if (wicked_time_of_day < 0.3 || wicked_time_of_day > 0.7) {
347 if (!m_moon_texture) {
348 driver->setMaterial(m_materials[1]);
349 float d = moonsize * 1.9;
350 video::SColor c = mooncolor;
351 c.setAlpha(0.05 * 255);
352 vertices[0] = video::S3DVertex(-d, -d, -1, 0, 0, 1, c, t, t);
353 vertices[1] = video::S3DVertex( d, -d, -1, 0, 0, 1, c, o, t);
354 vertices[2] = video::S3DVertex( d, d, -1, 0, 0, 1, c, o, o);
355 vertices[3] = video::S3DVertex(-d, d, -1, 0, 0, 1, c, t, o);
356 for (u32 i = 0; i < 4; i++) {
357 // Switch from -Z (south) to -X (west)
358 vertices[i].Pos.rotateXZBy(-90);
359 vertices[i].Pos.rotateXYBy(wicked_time_of_day * 360 - 90);
361 driver->drawIndexedTriangleFan(&vertices[0], 4, indices, 2);
365 c.setAlpha(0.15 * 255);
366 vertices[0] = video::S3DVertex(-d, -d, -1, 0, 0, 1, c, t, t);
367 vertices[1] = video::S3DVertex( d, -d, -1, 0, 0, 1, c, o, t);
368 vertices[2] = video::S3DVertex( d, d, -1, 0, 0, 1, c, o, o);
369 vertices[3] = video::S3DVertex(-d, d, -1, 0, 0, 1, c, t, o);
370 for (u32 i = 0; i < 4; i++) {
371 // Switch from -Z (south) to -X (west)
372 vertices[i].Pos.rotateXZBy(-90);
373 vertices[i].Pos.rotateXYBy(wicked_time_of_day * 360 - 90);
375 driver->drawIndexedTriangleFan(&vertices[0], 4, indices, 2);
378 vertices[0] = video::S3DVertex(-d, -d, -1, 0, 0, 1, mooncolor, t, t);
379 vertices[1] = video::S3DVertex( d, -d, -1, 0, 0, 1, mooncolor, o, t);
380 vertices[2] = video::S3DVertex( d, d, -1, 0, 0, 1, mooncolor, o, o);
381 vertices[3] = video::S3DVertex(-d, d, -1, 0, 0, 1, mooncolor, t, o);
382 for (u32 i = 0; i < 4; i++) {
383 // Switch from -Z (south) to -X (west)
384 vertices[i].Pos.rotateXZBy(-90);
385 vertices[i].Pos.rotateXYBy(wicked_time_of_day * 360 - 90);
387 driver->drawIndexedTriangleFan(&vertices[0], 4, indices, 2);
389 float d2 = moonsize * 0.6;
390 vertices[0] = video::S3DVertex(-d, -d, -1, 0, 0, 1, mooncolor2, t, t);
391 vertices[1] = video::S3DVertex( d2,-d, -1, 0, 0, 1, mooncolor2, o, t);
392 vertices[2] = video::S3DVertex( d2, d2, -1, 0, 0, 1, mooncolor2, o, o);
393 vertices[3] = video::S3DVertex(-d, d2, -1, 0, 0, 1, mooncolor2, t, o);
394 for (u32 i = 0; i < 4; i++) {
395 // Switch from -Z (south) to -X (west)
396 vertices[i].Pos.rotateXZBy(-90);
397 vertices[i].Pos.rotateXYBy(wicked_time_of_day * 360 - 90);
399 driver->drawIndexedTriangleFan(&vertices[0], 4, indices, 2);
401 driver->setMaterial(m_materials[4]);
402 float d = moonsize * 1.9;
405 c = video::SColor (0, 0, 0, 0);
407 c = video::SColor (255, 255, 255, 255);
408 vertices[0] = video::S3DVertex(-d, -d, -1, 0, 0, 1, c, t, t);
409 vertices[1] = video::S3DVertex( d, -d, -1, 0, 0, 1, c, o, t);
410 vertices[2] = video::S3DVertex( d, d, -1, 0, 0, 1, c, o, o);
411 vertices[3] = video::S3DVertex(-d, d, -1, 0, 0, 1, c, t, o);
412 for (u32 i = 0; i < 4; i++) {
413 // Switch from -Z (south) to -X (west)
414 vertices[i].Pos.rotateXZBy(-90);
415 vertices[i].Pos.rotateXYBy(wicked_time_of_day * 360 - 90);
417 driver->drawIndexedTriangleFan(&vertices[0], 4, indices, 2);
422 driver->setMaterial(m_materials[1]);
424 float starbrightness = MYMAX(0, MYMIN(1,
425 (0.285 - fabs(wicked_time_of_day < 0.5 ?
426 wicked_time_of_day : (1.0 - wicked_time_of_day))) * 10));
427 float f = starbrightness;
429 video::SColor starcolor(255, f * 90, f * 90, f * 90);
430 if (starcolor.getBlue() < m_skycolor.getBlue())
432 u16 indices[SKY_STAR_COUNT * 4];
433 video::S3DVertex vertices[SKY_STAR_COUNT * 4];
434 for (u32 i = 0; i < SKY_STAR_COUNT; i++) {
435 indices[i * 4 + 0] = i * 4 + 0;
436 indices[i * 4 + 1] = i * 4 + 1;
437 indices[i * 4 + 2] = i * 4 + 2;
438 indices[i * 4 + 3] = i * 4 + 3;
440 core::CMatrix4<f32> a;
441 a.buildRotateFromTo(v3f(0, 1, 0), v3f(d, 1 + d / 2, 0));
444 a.buildRotateFromTo(v3f(0, 1, 0), v3f(d, 1, d));
447 a.buildRotateFromTo(v3f(0, 1, 0), v3f(0, 1 - d / 2, d));
450 p.rotateXYBy(wicked_time_of_day * 360 - 90);
451 p1.rotateXYBy(wicked_time_of_day * 360 - 90);
452 p2.rotateXYBy(wicked_time_of_day * 360 - 90);
453 p3.rotateXYBy(wicked_time_of_day * 360 - 90);
454 vertices[i * 4 + 0].Pos = p;
455 vertices[i * 4 + 0].Color = starcolor;
456 vertices[i * 4 + 1].Pos = p1;
457 vertices[i * 4 + 1].Color = starcolor;
458 vertices[i * 4 + 2].Pos = p2;
459 vertices[i * 4 + 2].Color = starcolor;
460 vertices[i * 4 + 3].Pos = p3;
461 vertices[i * 4 + 3].Color = starcolor;
463 driver->drawVertexPrimitiveList(vertices, SKY_STAR_COUNT * 4,
464 indices, SKY_STAR_COUNT, video::EVT_STANDARD,
465 scene::EPT_QUADS, video::EIT_16BIT);
468 // Draw far cloudy fog thing below east and west horizons
469 for (u32 j = 0; j < 2; j++) {
470 video::SColor c = cloudyfogcolor;
471 vertices[0] = video::S3DVertex(-1, -1.0, -1, 0, 0, 1, c, t, t);
472 vertices[1] = video::S3DVertex( 1, -1.0, -1, 0, 0, 1, c, o, t);
473 vertices[2] = video::S3DVertex( 1, -0.02, -1, 0, 0, 1, c, o, o);
474 vertices[3] = video::S3DVertex(-1, -0.02, -1, 0, 0, 1, c, t, o);
475 for (u32 i = 0; i < 4; i++) {
476 //if (wicked_time_of_day < 0.5)
478 // Switch from -Z (south) to +X (east)
479 vertices[i].Pos.rotateXZBy(90);
481 // Switch from -Z (south) to -X (west)
482 vertices[i].Pos.rotateXZBy(-90);
484 driver->drawIndexedTriangleFan(&vertices[0], 4, indices, 2);
490 void Sky::update(float time_of_day, float time_brightness,
491 float direct_brightness, bool sunlight_seen,
492 CameraMode cam_mode, float yaw, float pitch)
494 // Stabilize initial brightness and color values by flooding updates
495 if (m_first_update) {
496 /*dstream<<"First update with time_of_day="<<time_of_day
497 <<" time_brightness="<<time_brightness
498 <<" direct_brightness="<<direct_brightness
499 <<" sunlight_seen="<<sunlight_seen<<std::endl;*/
500 m_first_update = false;
501 for (u32 i = 0; i < 100; i++) {
502 update(time_of_day, time_brightness, direct_brightness,
503 sunlight_seen, cam_mode, yaw, pitch);
508 m_time_of_day = time_of_day;
509 m_time_brightness = time_brightness;
510 m_sunlight_seen = sunlight_seen;
512 bool is_dawn = (time_brightness >= 0.20 && time_brightness < 0.35);
517 video::SColorf bgcolor_bright_normal_f(170. / 255, 200. / 255, 230. / 255, 1.0);
518 video::SColorf bgcolor_bright_dawn_f(0.666, 200. / 255 * 0.7, 230. / 255 * 0.5, 1.0);
519 video::SColorf bgcolor_bright_dawn_f(0.666, 0.549, 0.220, 1.0);
520 video::SColorf bgcolor_bright_dawn_f(0.666 * 1.2, 0.549 * 1.0, 0.220 * 1.0, 1.0);
521 video::SColorf bgcolor_bright_dawn_f(0.666 * 1.2, 0.549 * 1.0, 0.220 * 1.2, 1.0);
523 video::SColorf cloudcolor_bright_dawn_f(1.0, 0.591, 0.4);
524 video::SColorf cloudcolor_bright_dawn_f(1.0, 0.65, 0.44);
525 video::SColorf cloudcolor_bright_dawn_f(1.0, 0.7, 0.5);
528 video::SColorf bgcolor_bright_normal_f = video::SColor(255, 155, 193, 240);
529 video::SColorf bgcolor_bright_indoor_f = video::SColor(255, 100, 100, 100);
530 video::SColorf bgcolor_bright_dawn_f = video::SColor(255, 186, 193, 240);
531 video::SColorf bgcolor_bright_night_f = video::SColor(255, 64, 144, 255);
533 video::SColorf skycolor_bright_normal_f = video::SColor(255, 140, 186, 250);
534 video::SColorf skycolor_bright_dawn_f = video::SColor(255, 180, 186, 250);
535 video::SColorf skycolor_bright_night_f = video::SColor(255, 0, 107, 255);
537 video::SColorf cloudcolor_bright_normal_f = video::SColor(255, 240, 240, 255);
538 video::SColorf cloudcolor_bright_dawn_f = video::SColor(255, 255, 223, 191);
540 float cloud_color_change_fraction = 0.95;
542 if (fabs(time_brightness - m_brightness) < 0.2) {
543 m_brightness = m_brightness * 0.95 + time_brightness * 0.05;
545 m_brightness = m_brightness * 0.80 + time_brightness * 0.20;
546 cloud_color_change_fraction = 0.0;
549 if (direct_brightness < m_brightness)
550 m_brightness = m_brightness * 0.95 + direct_brightness * 0.05;
552 m_brightness = m_brightness * 0.98 + direct_brightness * 0.02;
555 m_clouds_visible = true;
556 float color_change_fraction = 0.98;
558 if (is_dawn) { // Dawn
559 m_bgcolor_bright_f = m_bgcolor_bright_f.getInterpolated(
560 bgcolor_bright_dawn_f, color_change_fraction);
561 m_skycolor_bright_f = m_skycolor_bright_f.getInterpolated(
562 skycolor_bright_dawn_f, color_change_fraction);
563 m_cloudcolor_bright_f = m_cloudcolor_bright_f.getInterpolated(
564 cloudcolor_bright_dawn_f, color_change_fraction);
566 if (time_brightness < 0.07) { // Night
567 m_bgcolor_bright_f = m_bgcolor_bright_f.getInterpolated(
568 bgcolor_bright_night_f, color_change_fraction);
569 m_skycolor_bright_f = m_skycolor_bright_f.getInterpolated(
570 skycolor_bright_night_f, color_change_fraction);
572 m_bgcolor_bright_f = m_bgcolor_bright_f.getInterpolated(
573 bgcolor_bright_normal_f, color_change_fraction);
574 m_skycolor_bright_f = m_skycolor_bright_f.getInterpolated(
575 skycolor_bright_normal_f, color_change_fraction);
578 m_cloudcolor_bright_f = m_cloudcolor_bright_f.getInterpolated(
579 cloudcolor_bright_normal_f, color_change_fraction);
582 m_bgcolor_bright_f = m_bgcolor_bright_f.getInterpolated(
583 bgcolor_bright_indoor_f, color_change_fraction);
584 m_skycolor_bright_f = m_skycolor_bright_f.getInterpolated(
585 bgcolor_bright_indoor_f, color_change_fraction);
586 m_cloudcolor_bright_f = m_cloudcolor_bright_f.getInterpolated(
587 cloudcolor_bright_normal_f, color_change_fraction);
588 m_clouds_visible = false;
591 video::SColor bgcolor_bright = m_bgcolor_bright_f.toSColor();
592 m_bgcolor = video::SColor(
594 bgcolor_bright.getRed() * m_brightness,
595 bgcolor_bright.getGreen() * m_brightness,
596 bgcolor_bright.getBlue() * m_brightness
599 video::SColor skycolor_bright = m_skycolor_bright_f.toSColor();
600 m_skycolor = video::SColor(
602 skycolor_bright.getRed() * m_brightness,
603 skycolor_bright.getGreen() * m_brightness,
604 skycolor_bright.getBlue() * m_brightness
607 // Horizon coloring based on sun and moon direction during sunset and sunrise
608 video::SColor pointcolor = video::SColor(255, 255, 255, m_bgcolor.getAlpha());
609 if (m_directional_colored_fog) {
610 if (m_horizon_blend() != 0) {
611 // Calculate hemisphere value from yaw, (inverted in third person front view)
613 if (cam_mode > CAMERA_MODE_THIRD)
615 f32 pointcolor_blend = wrapDegrees_0_360(yaw * dir_factor + 90);
616 if (pointcolor_blend > 180)
617 pointcolor_blend = 360 - pointcolor_blend;
618 pointcolor_blend /= 180;
619 // Bound view angle to determine where transition starts and ends
620 pointcolor_blend = rangelim(1 - pointcolor_blend * 1.375, 0, 1 / 1.375) *
622 // Combine the colors when looking up or down, otherwise turning looks weird
623 pointcolor_blend += (0.5 - pointcolor_blend) *
624 (1 - MYMIN((90 - std::fabs(pitch)) / 90 * 1.5, 1));
625 // Invert direction to match where the sun and moon are rising
626 if (m_time_of_day > 0.5)
627 pointcolor_blend = 1 - pointcolor_blend;
628 // Horizon colors of sun and moon
629 f32 pointcolor_light = rangelim(m_time_brightness * 3, 0.2, 1);
631 video::SColorf pointcolor_sun_f(1, 1, 1, 1);
633 pointcolor_sun_f.r = pointcolor_light *
634 (float)m_materials[3].EmissiveColor.getRed() / 255;
635 pointcolor_sun_f.b = pointcolor_light *
636 (float)m_materials[3].EmissiveColor.getBlue() / 255;
637 pointcolor_sun_f.g = pointcolor_light *
638 (float)m_materials[3].EmissiveColor.getGreen() / 255;
640 pointcolor_sun_f.r = pointcolor_light * 1;
641 pointcolor_sun_f.b = pointcolor_light *
642 (0.25 + (rangelim(m_time_brightness, 0.25, 0.75) - 0.25) * 2 * 0.75);
643 pointcolor_sun_f.g = pointcolor_light * (pointcolor_sun_f.b * 0.375 +
644 (rangelim(m_time_brightness, 0.05, 0.15) - 0.05) * 10 * 0.625);
647 video::SColorf pointcolor_moon_f(0.5 * pointcolor_light,
648 0.6 * pointcolor_light, 0.8 * pointcolor_light, 1);
649 if (m_moon_tonemap) {
650 pointcolor_moon_f.r = pointcolor_light *
651 (float)m_materials[4].EmissiveColor.getRed() / 255;
652 pointcolor_moon_f.b = pointcolor_light *
653 (float)m_materials[4].EmissiveColor.getBlue() / 255;
654 pointcolor_moon_f.g = pointcolor_light *
655 (float)m_materials[4].EmissiveColor.getGreen() / 255;
658 video::SColor pointcolor_sun = pointcolor_sun_f.toSColor();
659 video::SColor pointcolor_moon = pointcolor_moon_f.toSColor();
660 // Calculate the blend color
661 pointcolor = m_mix_scolor(pointcolor_moon, pointcolor_sun, pointcolor_blend);
663 m_bgcolor = m_mix_scolor(m_bgcolor, pointcolor, m_horizon_blend() * 0.5);
664 m_skycolor = m_mix_scolor(m_skycolor, pointcolor, m_horizon_blend() * 0.25);
667 float cloud_direct_brightness = 0;
669 if (!m_directional_colored_fog) {
670 cloud_direct_brightness = time_brightness;
671 if (time_brightness >= 0.2 && time_brightness < 0.7)
672 cloud_direct_brightness *= 1.3;
674 cloud_direct_brightness = MYMIN(m_horizon_blend() * 0.15 +
675 m_time_brightness, 1);
678 cloud_direct_brightness = direct_brightness;
681 m_cloud_brightness = m_cloud_brightness * cloud_color_change_fraction +
682 cloud_direct_brightness * (1.0 - cloud_color_change_fraction);
683 m_cloudcolor_f = video::SColorf(
684 m_cloudcolor_bright_f.r * m_cloud_brightness,
685 m_cloudcolor_bright_f.g * m_cloud_brightness,
686 m_cloudcolor_bright_f.b * m_cloud_brightness,
689 if (m_directional_colored_fog) {
690 m_cloudcolor_f = m_mix_scolorf(m_cloudcolor_f,
691 video::SColorf(pointcolor), m_horizon_blend() * 0.25);