/
sky.cpp
279 lines (246 loc) · 9.69 KB
/
sky.cpp
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
#include "sky.h"
#include "IVideoDriver.h"
#include "ISceneManager.h"
#include "ICameraSceneNode.h"
#include "S3DVertex.h"
#include "tile.h" // getTexturePath
#include "noise.h" // easeCurve
#include "main.h" // g_profiler
#include "profiler.h"
#include "util/numeric.h" // MYMIN
#include <IAnimatedMeshSceneNode.h>
#include <IMeshManipulator.h>
#include <ITextSceneNode.h>
#include <IBillboardSceneNode.h>
#include <shader.h>
#include <gamedef.h>
#include <client.h>
#include <mesh.h>
#include <ITexture.h>
//! constructor
Sky::Sky(scene::ISceneNode* parent, scene::ISceneManager* mgr, s32 id, Client *client):
scene::ISceneNode(parent, mgr, id),
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_sunpos(0,0,0),
m_client(client)
{
//setAutomaticCulling(scene::EAC_OFF);
//Box.MaxEdge.set(0,0,0);
//Box.MinEdge.set(0,0,0);
//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;
scene::IAnimatedMesh *mesh;
mesh = mgr->getMesh("sky_sphere.x");
m_sky_sphere = mgr->addAnimatedMeshSceneNode(mesh, NULL);
mesh->drop();
m_sky_sphere->animateJoints();
m_sky_sphere->setFrameLoop(1, 250);
m_sky_sphere->setAnimationSpeed(0);
m_sky_sphere->setPosition(v3f(0,400,0));
m_sky_sphere->setScale(v3f(10,10,10));
u8 li = 255;
setMeshColor(m_sky_sphere->getMesh(), video::SColor(255,li,li,li));
m_sky_sphere->setMaterialFlag(video::EMF_LIGHTING, false);
m_sky_sphere->setMaterialFlag(video::EMF_BILINEAR_FILTER, false);
m_sky_sphere->setMaterialFlag(video::EMF_FOG_ENABLE, false);
m_sky_sphere->setMaterialFlag(video::EMF_BACK_FACE_CULLING, false);
m_sky_sphere->setMaterialType(video::EMT_TRANSPARENT_ALPHA_CHANNEL);
//video::E_MATERIAL_TYPE sky_shader = m_client->getShaderSource()->getShader("test_shader_4").material;
//sky_sphere->setMaterialType(sky_shader);
//sky_sphere->setMaterialTexture(0, mgr->getVideoDriver()->getTexture(getTexturePath("sky.png").c_str()));
//sky_sphere->setMaterialTexture(1, mgr->getVideoDriver()->getTexture(getTexturePath("glow.png").c_str()));
//sky_sphere->setMaterialTexture(2, mgr->getVideoDriver()->getTexture(getTexturePath("stars.jpg").c_str()));
//sky_sphere->setMaterialTexture(3, mgr->getVideoDriver()->getTexture(getTexturePath("moon.png").c_str()));
/*
scene::IMesh *mesh1;
scene::IMeshSceneNode *sky_dome;
mesh1 = mgr->getMesh("sky_dome.3ds");
sky_dome = mgr->addMeshSceneNode(mesh, NULL);
li = 255;
//setMeshColor(sky_dome->getMesh(), video::SColor(255,li,li,li));
sky_dome->setPosition(v3f(0,100,0));
sky_dome->setScale(v3f(10,10,10));
sky_dome->setMaterialFlag(video::EMF_LIGHTING, true);
sky_dome->setMaterialFlag(video::EMF_BILINEAR_FILTER, false);
sky_dome->setMaterialFlag(video::EMF_FOG_ENABLE, false);
video::E_MATERIAL_TYPE sky_shader = m_client->getShaderSource()->getShader("test_shader_4").material;
sky_dome->setMaterialType(sky_shader);
*/
}
void Sky::OnRegisterSceneNode()
{
if (IsVisible)
SceneManager->registerNodeForRendering(this, scene::ESNRP_SKY_BOX);
scene::ISceneNode::OnRegisterSceneNode();
}
const core::aabbox3d<f32>& Sky::getBoundingBox() const
{
return Box;
}
//! renders the node.
void Sky::render()
{
video::IVideoDriver* driver = SceneManager->getVideoDriver();
scene::ICameraSceneNode* camera = SceneManager->getActiveCamera();
if (!camera || !driver)
return;
;
ScopeProfiler sp(g_profiler, "Sky::render()", SPT_AVG);
m_sky_sphere->setCurrentFrame ((int)m_time_of_day*250);
m_sunpos.Y = sin((m_time_of_day/(2*3.14159)));
// 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();
const f32 t = 1.0f;
const f32 o = 0.0f;
}
}
void Sky::update(float time_of_day, float time_brightness,
float direct_brightness, bool sunlight_seen)
{
// 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);
}
return;
}
m_time_of_day = time_of_day;
m_time_brightness = time_brightness;
m_sunlight_seen = sunlight_seen;
m_sunpos.Y = sin((time_of_day/(2*3.14159)));
bool is_dawn = (time_brightness >= 0.20 && time_brightness < 0.35);
//video::SColorf bgcolor_bright_normal_f(170./255,200./255,230./255, 1.0);
video::SColorf bgcolor_bright_normal_f(155./255,193./255,240./255, 1.0);
video::SColorf bgcolor_bright_indoor_f(100./255,100./255,100./255, 1.0);
//video::SColorf bgcolor_bright_dawn_f(0.666,200./255*0.7,230./255*0.5,1.0);
//video::SColorf bgcolor_bright_dawn_f(0.666,0.549,0.220,1.0);
//video::SColorf bgcolor_bright_dawn_f(0.666*1.2,0.549*1.0,0.220*1.0, 1.0);
//video::SColorf bgcolor_bright_dawn_f(0.666*1.2,0.549*1.0,0.220*1.2,1.0);
video::SColorf bgcolor_bright_dawn_f
(155./255*1.2,193./255,240./255, 1.0);
video::SColorf skycolor_bright_normal_f =
video::SColor(255, 140, 186, 250);
video::SColorf skycolor_bright_dawn_f =
video::SColor(255, 180, 186, 250);
video::SColorf cloudcolor_bright_normal_f =
video::SColor(255, 240,240,255);
//video::SColorf cloudcolor_bright_dawn_f(1.0, 0.591, 0.4);
//video::SColorf cloudcolor_bright_dawn_f(1.0, 0.65, 0.44);
video::SColorf cloudcolor_bright_dawn_f(1.0, 0.7, 0.5);
if(sunlight_seen){
//m_brightness = m_brightness * 0.95 + direct_brightness * 0.05;
m_brightness = m_brightness * 0.95 + time_brightness * 0.05;
}
else{
if(direct_brightness < m_brightness)
m_brightness = m_brightness * 0.95 + direct_brightness * 0.05;
else
m_brightness = m_brightness * 0.98 + direct_brightness * 0.02;
}
m_clouds_visible = true;
float color_change_fraction = 0.98;
if(sunlight_seen){
if(is_dawn){
m_bgcolor_bright_f = m_bgcolor_bright_f.getInterpolated(
bgcolor_bright_dawn_f, color_change_fraction);
m_skycolor_bright_f = m_skycolor_bright_f.getInterpolated(
skycolor_bright_dawn_f, color_change_fraction);
m_cloudcolor_bright_f = m_cloudcolor_bright_f.getInterpolated(
cloudcolor_bright_dawn_f, color_change_fraction);
} else {
m_bgcolor_bright_f = m_bgcolor_bright_f.getInterpolated(
bgcolor_bright_normal_f, color_change_fraction);
m_skycolor_bright_f = m_skycolor_bright_f.getInterpolated(
skycolor_bright_normal_f, color_change_fraction);
m_cloudcolor_bright_f = m_cloudcolor_bright_f.getInterpolated(
cloudcolor_bright_normal_f, color_change_fraction);
}
} else {
m_bgcolor_bright_f = m_bgcolor_bright_f.getInterpolated(
bgcolor_bright_indoor_f, color_change_fraction);
m_cloudcolor_bright_f = m_cloudcolor_bright_f.getInterpolated(
cloudcolor_bright_normal_f, color_change_fraction);
m_skycolor_bright_f = m_skycolor_bright_f.getInterpolated(
bgcolor_bright_indoor_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);
float cloud_direct_brightness = 0;
if(sunlight_seen){
cloud_direct_brightness = time_brightness;
if(time_brightness >= 0.2 && time_brightness < 0.7)
cloud_direct_brightness *= 1.3;
} else {
cloud_direct_brightness = direct_brightness;
}
m_cloud_brightness = m_cloud_brightness * 0.95 +
cloud_direct_brightness * (1.0 - 0.95);
m_cloudcolor_f = video::SColorf(
m_cloudcolor_bright_f.getRed() * m_cloud_brightness,
m_cloudcolor_bright_f.getGreen() * m_cloud_brightness,
m_cloudcolor_bright_f.getBlue() * m_cloud_brightness,
1.0);
}