]> git.lizzy.rs Git - minetest.git/blob - src/game.cpp
* better glass graphics
[minetest.git] / src / game.cpp
1 /*
2 Minetest-c55
3 Copyright (C) 2010-2011 celeron55, Perttu Ahola <celeron55@gmail.com>
4
5 This program is free software; you can redistribute it and/or modify
6 it under the terms of the GNU General Public License as published by
7 the Free Software Foundation; either version 2 of the License, or
8 (at your option) any later version.
9
10 This program is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
13 GNU General Public License for more details.
14
15 You should have received a copy of the GNU General Public License along
16 with this program; if not, write to the Free Software Foundation, Inc.,
17 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
18 */
19
20 #include "common_irrlicht.h"
21 #include "game.h"
22 #include "client.h"
23 #include "server.h"
24 #include "guiPauseMenu.h"
25 #include "guiPasswordChange.h"
26 #include "guiInventoryMenu.h"
27 #include "guiTextInputMenu.h"
28 #include "guiFurnaceMenu.h"
29 #include "materials.h"
30 #include "config.h"
31 #include "clouds.h"
32 #include "keycode.h"
33
34 /*
35         Setting this to 1 enables a special camera mode that forces
36         the renderers to think that the camera statically points from
37         the starting place to a static direction.
38
39         This allows one to move around with the player and see what
40         is actually drawn behind solid things and behind the player.
41 */
42 #define FIELD_OF_VIEW_TEST 0
43
44
45 MapDrawControl draw_control;
46
47 // Chat data
48 struct ChatLine
49 {
50         ChatLine():
51                 age(0.0)
52         {
53         }
54         ChatLine(const std::wstring &a_text):
55                 age(0.0),
56                 text(a_text)
57         {
58         }
59         float age;
60         std::wstring text;
61 };
62
63 /*
64         Inventory stuff
65 */
66
67 // Inventory actions from the menu are buffered here before sending
68 Queue<InventoryAction*> inventory_action_queue;
69 // This is a copy of the inventory that the client's environment has
70 Inventory local_inventory;
71
72 u16 g_selected_item = 0;
73
74 /*
75         Text input system
76 */
77
78 struct TextDestSign : public TextDest
79 {
80         TextDestSign(v3s16 blockpos, s16 id, Client *client)
81         {
82                 m_blockpos = blockpos;
83                 m_id = id;
84                 m_client = client;
85         }
86         void gotText(std::wstring text)
87         {
88                 std::string ntext = wide_to_narrow(text);
89                 dstream<<"Changing text of a sign object: "
90                                 <<ntext<<std::endl;
91                 m_client->sendSignText(m_blockpos, m_id, ntext);
92         }
93
94         v3s16 m_blockpos;
95         s16 m_id;
96         Client *m_client;
97 };
98
99 struct TextDestChat : public TextDest
100 {
101         TextDestChat(Client *client)
102         {
103                 m_client = client;
104         }
105         void gotText(std::wstring text)
106         {
107                 // Discard empty line
108                 if(text == L"")
109                         return;
110                 
111                 // Parse command (server command starts with "/#")
112                 if(text[0] == L'/' && text[1] != L'#')
113                 {
114                         std::wstring reply = L"Local: ";
115
116                         reply += L"Local commands not yet supported. "
117                                         L"Server prefix is \"/#\".";
118                         
119                         m_client->addChatMessage(reply);
120                         return;
121                 }
122
123                 // Send to others
124                 m_client->sendChatMessage(text);
125                 // Show locally
126                 m_client->addChatMessage(text);
127         }
128
129         Client *m_client;
130 };
131
132 struct TextDestSignNode : public TextDest
133 {
134         TextDestSignNode(v3s16 p, Client *client)
135         {
136                 m_p = p;
137                 m_client = client;
138         }
139         void gotText(std::wstring text)
140         {
141                 std::string ntext = wide_to_narrow(text);
142                 dstream<<"Changing text of a sign node: "
143                                 <<ntext<<std::endl;
144                 m_client->sendSignNodeText(m_p, ntext);
145         }
146
147         v3s16 m_p;
148         Client *m_client;
149 };
150
151 /*
152         Render distance feedback loop
153 */
154 void updateViewingRange(f32 frametime_in, Client *client)
155 {
156         if(draw_control.range_all == true)
157                 return;
158         
159         static f32 added_frametime = 0;
160         static s16 added_frames = 0;
161
162         added_frametime += frametime_in;
163         added_frames += 1;
164
165         // Actually this counter kind of sucks because frametime is busytime
166         static f32 counter = 0;
167         counter -= frametime_in;
168         if(counter > 0)
169                 return;
170         //counter = 0.1;
171         counter = 0.2;
172
173         /*dstream<<__FUNCTION_NAME
174                         <<": Collected "<<added_frames<<" frames, total of "
175                         <<added_frametime<<"s."<<std::endl;*/
176         
177         /*dstream<<"draw_control.blocks_drawn="
178                         <<draw_control.blocks_drawn
179                         <<", draw_control.blocks_would_have_drawn="
180                         <<draw_control.blocks_would_have_drawn
181                         <<std::endl;*/
182         
183         float range_min = g_settings.getS16("viewing_range_nodes_min");
184         float range_max = g_settings.getS16("viewing_range_nodes_max");
185         
186         // Limit minimum to keep the feedback loop stable
187         if(range_min < 5)
188                 range_min = 5;
189         
190         draw_control.wanted_min_range = range_min;
191         //draw_control.wanted_max_blocks = (1.5*draw_control.blocks_drawn)+1;
192         draw_control.wanted_max_blocks = (1.5*draw_control.blocks_would_have_drawn)+1;
193         if(draw_control.wanted_max_blocks < 10)
194                 draw_control.wanted_max_blocks = 10;
195         
196         float block_draw_ratio = 1.0;
197         if(draw_control.blocks_would_have_drawn != 0)
198         {
199                 block_draw_ratio = (float)draw_control.blocks_drawn
200                         / (float)draw_control.blocks_would_have_drawn;
201         }
202
203         // Calculate the average frametime in the case that all wanted
204         // blocks had been drawn
205         f32 frametime = added_frametime / added_frames / block_draw_ratio;
206         
207         added_frametime = 0.0;
208         added_frames = 0;
209         
210         float wanted_fps = g_settings.getFloat("wanted_fps");
211         float wanted_frametime = 1.0 / wanted_fps;
212         
213         f32 wanted_frametime_change = wanted_frametime - frametime;
214         //dstream<<"wanted_frametime_change="<<wanted_frametime_change<<std::endl;
215         
216         // If needed frametime change is small, just return
217         if(fabs(wanted_frametime_change) < wanted_frametime*0.4)
218         {
219                 //dstream<<"ignoring small wanted_frametime_change"<<std::endl;
220                 return;
221         }
222
223         float range = draw_control.wanted_range;
224         float new_range = range;
225
226         static s16 range_old = 0;
227         static f32 frametime_old = 0;
228         
229         float d_range = range - range_old;
230         f32 d_frametime = frametime - frametime_old;
231         // A sane default of 30ms per 50 nodes of range
232         static f32 time_per_range = 30. / 50;
233         if(d_range != 0)
234         {
235                 time_per_range = d_frametime / d_range;
236         }
237         
238         // The minimum allowed calculated frametime-range derivative:
239         // Practically this sets the maximum speed of changing the range.
240         // The lower this value, the higher the maximum changing speed.
241         // A low value here results in wobbly range (0.001)
242         // A high value here results in slow changing range (0.0025)
243         // SUGG: This could be dynamically adjusted so that when
244         //       the camera is turning, this is lower
245         //float min_time_per_range = 0.0015;
246         float min_time_per_range = 0.0010;
247         //float min_time_per_range = 0.05 / range;
248         if(time_per_range < min_time_per_range)
249         {
250                 time_per_range = min_time_per_range;
251                 //dstream<<"time_per_range="<<time_per_range<<" (min)"<<std::endl;
252         }
253         else
254         {
255                 //dstream<<"time_per_range="<<time_per_range<<std::endl;
256         }
257
258         f32 wanted_range_change = wanted_frametime_change / time_per_range;
259         // Dampen the change a bit to kill oscillations
260         //wanted_range_change *= 0.9;
261         //wanted_range_change *= 0.75;
262         wanted_range_change *= 0.5;
263         //dstream<<"wanted_range_change="<<wanted_range_change<<std::endl;
264
265         // If needed range change is very small, just return
266         if(fabs(wanted_range_change) < 0.001)
267         {
268                 //dstream<<"ignoring small wanted_range_change"<<std::endl;
269                 return;
270         }
271
272         new_range += wanted_range_change;
273         
274         //float new_range_unclamped = new_range;
275         if(new_range < range_min)
276                 new_range = range_min;
277         if(new_range > range_max)
278                 new_range = range_max;
279         
280         /*dstream<<"new_range="<<new_range_unclamped
281                         <<", clamped to "<<new_range<<std::endl;*/
282
283         draw_control.wanted_range = new_range;
284
285         range_old = new_range;
286         frametime_old = frametime;
287 }
288
289 /*
290         Hotbar draw routine
291 */
292 void draw_hotbar(video::IVideoDriver *driver, gui::IGUIFont *font,
293                 v2s32 centerlowerpos, s32 imgsize, s32 itemcount,
294                 Inventory *inventory, s32 halfheartcount)
295 {
296         InventoryList *mainlist = inventory->getList("main");
297         if(mainlist == NULL)
298         {
299                 dstream<<"WARNING: draw_hotbar(): mainlist == NULL"<<std::endl;
300                 return;
301         }
302         
303         s32 padding = imgsize/12;
304         //s32 height = imgsize + padding*2;
305         s32 width = itemcount*(imgsize+padding*2);
306         
307         // Position of upper left corner of bar
308         v2s32 pos = centerlowerpos - v2s32(width/2, imgsize+padding*2);
309         
310         // Draw background color
311         /*core::rect<s32> barrect(0,0,width,height);
312         barrect += pos;
313         video::SColor bgcolor(255,128,128,128);
314         driver->draw2DRectangle(bgcolor, barrect, NULL);*/
315
316         core::rect<s32> imgrect(0,0,imgsize,imgsize);
317
318         for(s32 i=0; i<itemcount; i++)
319         {
320                 InventoryItem *item = mainlist->getItem(i);
321                 
322                 core::rect<s32> rect = imgrect + pos
323                                 + v2s32(padding+i*(imgsize+padding*2), padding);
324                 
325                 if(g_selected_item == i)
326                 {
327                         driver->draw2DRectangle(video::SColor(255,255,0,0),
328                                         core::rect<s32>(rect.UpperLeftCorner - v2s32(1,1)*padding,
329                                                         rect.LowerRightCorner + v2s32(1,1)*padding),
330                                         NULL);
331                 }
332                 else
333                 {
334                         video::SColor bgcolor2(128,0,0,0);
335                         driver->draw2DRectangle(bgcolor2, rect, NULL);
336                 }
337
338                 if(item != NULL)
339                 {
340                         drawInventoryItem(driver, font, item, rect, NULL);
341                 }
342         }
343         
344         /*
345                 Draw hearts
346         */
347         {
348                 video::ITexture *heart_texture =
349                                 driver->getTexture(getTexturePath("heart.png").c_str());
350                 v2s32 p = pos + v2s32(0, -20);
351                 for(s32 i=0; i<halfheartcount/2; i++)
352                 {
353                         const video::SColor color(255,255,255,255);
354                         const video::SColor colors[] = {color,color,color,color};
355                         core::rect<s32> rect(0,0,16,16);
356                         rect += p;
357                         driver->draw2DImage(heart_texture, rect,
358                                 core::rect<s32>(core::position2d<s32>(0,0),
359                                 core::dimension2di(heart_texture->getOriginalSize())),
360                                 NULL, colors, true);
361                         p += v2s32(20,0);
362                 }
363                 if(halfheartcount % 2 == 1)
364                 {
365                         const video::SColor color(255,255,255,255);
366                         const video::SColor colors[] = {color,color,color,color};
367                         core::rect<s32> rect(0,0,16/2,16);
368                         rect += p;
369                         core::dimension2di srcd(heart_texture->getOriginalSize());
370                         srcd.Width /= 2;
371                         driver->draw2DImage(heart_texture, rect,
372                                 core::rect<s32>(core::position2d<s32>(0,0), srcd),
373                                 NULL, colors, true);
374                         p += v2s32(20,0);
375                 }
376         }
377 }
378
379 /*
380         Find what the player is pointing at
381 */
382 void getPointedNode(Client *client, v3f player_position,
383                 v3f camera_direction, v3f camera_position,
384                 bool &nodefound, core::line3d<f32> shootline,
385                 v3s16 &nodepos, v3s16 &neighbourpos,
386                 core::aabbox3d<f32> &nodehilightbox,
387                 f32 d)
388 {
389         f32 mindistance = BS * 1001;
390         
391         v3s16 pos_i = floatToInt(player_position, BS);
392
393         /*std::cout<<"pos_i=("<<pos_i.X<<","<<pos_i.Y<<","<<pos_i.Z<<")"
394                         <<std::endl;*/
395
396         s16 a = d;
397         s16 ystart = pos_i.Y + 0 - (camera_direction.Y<0 ? a : 1);
398         s16 zstart = pos_i.Z - (camera_direction.Z<0 ? a : 1);
399         s16 xstart = pos_i.X - (camera_direction.X<0 ? a : 1);
400         s16 yend = pos_i.Y + 1 + (camera_direction.Y>0 ? a : 1);
401         s16 zend = pos_i.Z + (camera_direction.Z>0 ? a : 1);
402         s16 xend = pos_i.X + (camera_direction.X>0 ? a : 1);
403         
404         for(s16 y = ystart; y <= yend; y++)
405         for(s16 z = zstart; z <= zend; z++)
406         for(s16 x = xstart; x <= xend; x++)
407         {
408                 MapNode n;
409                 try
410                 {
411                         n = client->getNode(v3s16(x,y,z));
412                         if(content_pointable(n.d) == false)
413                                 continue;
414                 }
415                 catch(InvalidPositionException &e)
416                 {
417                         continue;
418                 }
419
420                 v3s16 np(x,y,z);
421                 v3f npf = intToFloat(np, BS);
422                 
423                 f32 d = 0.01;
424                 
425                 v3s16 dirs[6] = {
426                         v3s16(0,0,1), // back
427                         v3s16(0,1,0), // top
428                         v3s16(1,0,0), // right
429                         v3s16(0,0,-1), // front
430                         v3s16(0,-1,0), // bottom
431                         v3s16(-1,0,0), // left
432                 };
433                 
434                 /*
435                         Meta-objects
436                 */
437                 if(n.d == CONTENT_TORCH)
438                 {
439                         v3s16 dir = unpackDir(n.dir);
440                         v3f dir_f = v3f(dir.X, dir.Y, dir.Z);
441                         dir_f *= BS/2 - BS/6 - BS/20;
442                         v3f cpf = npf + dir_f;
443                         f32 distance = (cpf - camera_position).getLength();
444
445                         core::aabbox3d<f32> box;
446                         
447                         // bottom
448                         if(dir == v3s16(0,-1,0))
449                         {
450                                 box = core::aabbox3d<f32>(
451                                         npf - v3f(BS/6, BS/2, BS/6),
452                                         npf + v3f(BS/6, -BS/2+BS/3*2, BS/6)
453                                 );
454                         }
455                         // top
456                         else if(dir == v3s16(0,1,0))
457                         {
458                                 box = core::aabbox3d<f32>(
459                                         npf - v3f(BS/6, -BS/2+BS/3*2, BS/6),
460                                         npf + v3f(BS/6, BS/2, BS/6)
461                                 );
462                         }
463                         // side
464                         else
465                         {
466                                 box = core::aabbox3d<f32>(
467                                         cpf - v3f(BS/6, BS/3, BS/6),
468                                         cpf + v3f(BS/6, BS/3, BS/6)
469                                 );
470                         }
471
472                         if(distance < mindistance)
473                         {
474                                 if(box.intersectsWithLine(shootline))
475                                 {
476                                         nodefound = true;
477                                         nodepos = np;
478                                         neighbourpos = np;
479                                         mindistance = distance;
480                                         nodehilightbox = box;
481                                 }
482                         }
483                 }
484                 else if(n.d == CONTENT_SIGN_WALL)
485                 {
486                         v3s16 dir = unpackDir(n.dir);
487                         v3f dir_f = v3f(dir.X, dir.Y, dir.Z);
488                         dir_f *= BS/2 - BS/6 - BS/20;
489                         v3f cpf = npf + dir_f;
490                         f32 distance = (cpf - camera_position).getLength();
491
492                         v3f vertices[4] =
493                         {
494                                 v3f(BS*0.42,-BS*0.35,-BS*0.4),
495                                 v3f(BS*0.49, BS*0.35, BS*0.4),
496                         };
497
498                         for(s32 i=0; i<2; i++)
499                         {
500                                 if(dir == v3s16(1,0,0))
501                                         vertices[i].rotateXZBy(0);
502                                 if(dir == v3s16(-1,0,0))
503                                         vertices[i].rotateXZBy(180);
504                                 if(dir == v3s16(0,0,1))
505                                         vertices[i].rotateXZBy(90);
506                                 if(dir == v3s16(0,0,-1))
507                                         vertices[i].rotateXZBy(-90);
508                                 if(dir == v3s16(0,-1,0))
509                                         vertices[i].rotateXYBy(-90);
510                                 if(dir == v3s16(0,1,0))
511                                         vertices[i].rotateXYBy(90);
512
513                                 vertices[i] += npf;
514                         }
515
516                         core::aabbox3d<f32> box;
517
518                         box = core::aabbox3d<f32>(vertices[0]);
519                         box.addInternalPoint(vertices[1]);
520
521                         if(distance < mindistance)
522                         {
523                                 if(box.intersectsWithLine(shootline))
524                                 {
525                                         nodefound = true;
526                                         nodepos = np;
527                                         neighbourpos = np;
528                                         mindistance = distance;
529                                         nodehilightbox = box;
530                                 }
531                         }
532                 }
533                 /*
534                         Regular blocks
535                 */
536                 else
537                 {
538                         for(u16 i=0; i<6; i++)
539                         {
540                                 v3f dir_f = v3f(dirs[i].X,
541                                                 dirs[i].Y, dirs[i].Z);
542                                 v3f centerpoint = npf + dir_f * BS/2;
543                                 f32 distance =
544                                                 (centerpoint - camera_position).getLength();
545                                 
546                                 if(distance < mindistance)
547                                 {
548                                         core::CMatrix4<f32> m;
549                                         m.buildRotateFromTo(v3f(0,0,1), dir_f);
550
551                                         // This is the back face
552                                         v3f corners[2] = {
553                                                 v3f(BS/2, BS/2, BS/2),
554                                                 v3f(-BS/2, -BS/2, BS/2+d)
555                                         };
556                                         
557                                         for(u16 j=0; j<2; j++)
558                                         {
559                                                 m.rotateVect(corners[j]);
560                                                 corners[j] += npf;
561                                         }
562
563                                         core::aabbox3d<f32> facebox(corners[0]);
564                                         facebox.addInternalPoint(corners[1]);
565
566                                         if(facebox.intersectsWithLine(shootline))
567                                         {
568                                                 nodefound = true;
569                                                 nodepos = np;
570                                                 neighbourpos = np + dirs[i];
571                                                 mindistance = distance;
572
573                                                 //nodehilightbox = facebox;
574
575                                                 const float d = 0.502;
576                                                 core::aabbox3d<f32> nodebox
577                                                                 (-BS*d, -BS*d, -BS*d, BS*d, BS*d, BS*d);
578                                                 v3f nodepos_f = intToFloat(nodepos, BS);
579                                                 nodebox.MinEdge += nodepos_f;
580                                                 nodebox.MaxEdge += nodepos_f;
581                                                 nodehilightbox = nodebox;
582                                         }
583                                 } // if distance < mindistance
584                         } // for dirs
585                 } // regular block
586         } // for coords
587 }
588
589 void update_skybox(video::IVideoDriver* driver,
590                 scene::ISceneManager* smgr, scene::ISceneNode* &skybox,
591                 float brightness)
592 {
593         if(skybox)
594         {
595                 skybox->remove();
596         }
597         
598         if(brightness >= 0.5)
599         {
600                 skybox = smgr->addSkyBoxSceneNode(
601                         driver->getTexture(getTexturePath("skybox2.png").c_str()),
602                         driver->getTexture(getTexturePath("skybox3.png").c_str()),
603                         driver->getTexture(getTexturePath("skybox1.png").c_str()),
604                         driver->getTexture(getTexturePath("skybox1.png").c_str()),
605                         driver->getTexture(getTexturePath("skybox1.png").c_str()),
606                         driver->getTexture(getTexturePath("skybox1.png").c_str()));
607         }
608         else if(brightness >= 0.2)
609         {
610                 skybox = smgr->addSkyBoxSceneNode(
611                         driver->getTexture(getTexturePath("skybox2_dawn.png").c_str()),
612                         driver->getTexture(getTexturePath("skybox3_dawn.png").c_str()),
613                         driver->getTexture(getTexturePath("skybox1_dawn.png").c_str()),
614                         driver->getTexture(getTexturePath("skybox1_dawn.png").c_str()),
615                         driver->getTexture(getTexturePath("skybox1_dawn.png").c_str()),
616                         driver->getTexture(getTexturePath("skybox1_dawn.png").c_str()));
617         }
618         else
619         {
620                 skybox = smgr->addSkyBoxSceneNode(
621                         driver->getTexture(getTexturePath("skybox2_night.png").c_str()),
622                         driver->getTexture(getTexturePath("skybox3_night.png").c_str()),
623                         driver->getTexture(getTexturePath("skybox1_night.png").c_str()),
624                         driver->getTexture(getTexturePath("skybox1_night.png").c_str()),
625                         driver->getTexture(getTexturePath("skybox1_night.png").c_str()),
626                         driver->getTexture(getTexturePath("skybox1_night.png").c_str()));
627         }
628 }
629
630 void the_game(
631         bool &kill,
632         bool random_input,
633         InputHandler *input,
634         IrrlichtDevice *device,
635         gui::IGUIFont* font,
636         std::string map_dir,
637         std::string playername,
638         std::string password,
639         std::string address,
640         u16 port,
641         std::wstring &error_message
642 )
643 {
644         video::IVideoDriver* driver = device->getVideoDriver();
645         scene::ISceneManager* smgr = device->getSceneManager();
646
647         v2u32 screensize(0,0);
648         v2u32 last_screensize(0,0);
649         screensize = driver->getScreenSize();
650
651         const s32 hotbar_itemcount = 8;
652         const s32 hotbar_imagesize = 36;
653         
654         // The color of the sky
655
656         //video::SColor skycolor = video::SColor(255,140,186,250);
657
658         video::SColor bgcolor_bright = video::SColor(255,170,200,230);
659
660         /*
661                 Draw "Loading" screen
662         */
663         const wchar_t *loadingtext = L"Loading and connecting...";
664         u32 text_height = font->getDimension(loadingtext).Height;
665         core::vector2d<s32> center(screensize.X/2, screensize.Y/2);
666         core::vector2d<s32> textsize(300, text_height);
667         core::rect<s32> textrect(center - textsize/2, center + textsize/2);
668
669         gui::IGUIStaticText *gui_loadingtext = guienv->addStaticText(
670                         loadingtext, textrect, false, false);
671         gui_loadingtext->setTextAlignment(gui::EGUIA_CENTER, gui::EGUIA_UPPERLEFT);
672
673         driver->beginScene(true, true, video::SColor(255,0,0,0));
674         guienv->drawAll();
675         driver->endScene();
676
677         
678         /*
679                 Create server.
680                 SharedPtr will delete it when it goes out of scope.
681         */
682         SharedPtr<Server> server;
683         if(address == ""){
684                 std::cout<<DTIME<<"Creating server"<<std::endl;
685                 server = new Server(map_dir);
686                 server->start(port);
687         }
688         
689         /*
690                 Create client
691         */
692
693         std::cout<<DTIME<<"Creating client"<<std::endl;
694         Client client(device, playername.c_str(), password, draw_control);
695                         
696         Address connect_address(0,0,0,0, port);
697         try{
698                 if(address == "")
699                         //connect_address.Resolve("localhost");
700                         connect_address.setAddress(127,0,0,1);
701                 else
702                         connect_address.Resolve(address.c_str());
703         }
704         catch(ResolveError &e)
705         {
706                 std::cout<<DTIME<<"Couldn't resolve address"<<std::endl;
707                 //return 0;
708                 error_message = L"Couldn't resolve address";
709                 gui_loadingtext->remove();
710                 return;
711         }
712
713         /*
714                 Attempt to connect to the server
715         */
716         
717         dstream<<DTIME<<"Connecting to server at ";
718         connect_address.print(&dstream);
719         dstream<<std::endl;
720         client.connect(connect_address);
721
722         bool could_connect = false;
723         
724         try{
725                 float time_counter = 0.0;
726                 for(;;)
727                 {
728                         if(client.connectedAndInitialized())
729                         {
730                                 could_connect = true;
731                                 break;
732                         }
733                         if(client.accessDenied())
734                         {
735                                 break;
736                         }
737                         // Wait for 10 seconds
738                         if(time_counter >= 10.0)
739                         {
740                                 break;
741                         }
742
743                         // Update screen
744                         driver->beginScene(true, true, video::SColor(255,0,0,0));
745                         guienv->drawAll();
746                         driver->endScene();
747
748                         // Update client and server
749
750                         client.step(0.1);
751
752                         if(server != NULL)
753                                 server->step(0.1);
754                         
755                         // Delay a bit
756                         sleep_ms(100);
757                         time_counter += 0.1;
758                 }
759         }
760         catch(con::PeerNotFoundException &e)
761         {}
762
763         if(could_connect == false)
764         {
765                 if(client.accessDenied())
766                 {
767                         error_message = L"Access denied. Check your password and try again.";
768                         std::cout<<DTIME<<"Access denied."<<std::endl;
769                 }
770                 else
771                 {
772                         error_message = L"Connection timed out.";
773                         std::cout<<DTIME<<"Timed out."<<std::endl;
774                 }
775                 gui_loadingtext->remove();
776                 return;
777         }
778
779         /*
780                 Create skybox
781         */
782         float old_brightness = 1.0;
783         scene::ISceneNode* skybox = NULL;
784         update_skybox(driver, smgr, skybox, 1.0);
785         
786         /*
787                 Create the camera node
788         */
789
790         scene::ICameraSceneNode* camera = smgr->addCameraSceneNode(
791                 0, // Camera parent
792                 v3f(BS*100, BS*2, BS*100), // Look from
793                 v3f(BS*100+1, BS*2, BS*100), // Look to
794                 -1 // Camera ID
795         );
796
797         if(camera == NULL)
798         {
799                 error_message = L"Failed to create the camera node";
800                 return;
801         }
802
803         camera->setFOV(FOV_ANGLE);
804
805         // Just so big a value that everything rendered is visible
806         camera->setFarValue(100000*BS);
807         
808         f32 camera_yaw = 0; // "right/left"
809         f32 camera_pitch = 0; // "up/down"
810
811         /*
812                 Clouds
813         */
814         
815         float cloud_height = BS*100;
816         Clouds *clouds = NULL;
817         clouds = new Clouds(smgr->getRootSceneNode(), smgr, -1,
818                         cloud_height, time(0));
819
820         /*
821                 Move into game
822         */
823         
824         gui_loadingtext->remove();
825
826         /*
827                 Add some gui stuff
828         */
829
830         // First line of debug text
831         gui::IGUIStaticText *guitext = guienv->addStaticText(
832                         L"Minetest-c55",
833                         core::rect<s32>(5, 5, 795, 5+text_height),
834                         false, false);
835         // Second line of debug text
836         gui::IGUIStaticText *guitext2 = guienv->addStaticText(
837                         L"",
838                         core::rect<s32>(5, 5+(text_height+5)*1, 795, (5+text_height)*2),
839                         false, false);
840         
841         // At the middle of the screen
842         // Object infos are shown in this
843         gui::IGUIStaticText *guitext_info = guienv->addStaticText(
844                         L"",
845                         core::rect<s32>(0,0,400,text_height+5) + v2s32(100,200),
846                         false, false);
847         
848         // Chat text
849         gui::IGUIStaticText *guitext_chat = guienv->addStaticText(
850                         L"",
851                         core::rect<s32>(0,0,0,0),
852                         false, false); // Disable word wrap as of now
853                         //false, true);
854         //guitext_chat->setBackgroundColor(video::SColor(96,0,0,0));
855         core::list<ChatLine> chat_lines;
856         
857         /*GUIQuickInventory *quick_inventory = new GUIQuickInventory
858                         (guienv, NULL, v2s32(10, 70), 5, &local_inventory);*/
859         /*GUIQuickInventory *quick_inventory = new GUIQuickInventory
860                         (guienv, NULL, v2s32(0, 0), quickinv_itemcount, &local_inventory);*/
861         
862         // Test the text input system
863         /*(new GUITextInputMenu(guienv, guiroot, -1, &g_menumgr,
864                         NULL))->drop();*/
865         /*GUIMessageMenu *menu =
866                         new GUIMessageMenu(guienv, guiroot, -1, 
867                                 &g_menumgr,
868                                 L"Asd");
869         menu->drop();*/
870         
871         // Launch pause menu
872         (new GUIPauseMenu(guienv, guiroot, -1, g_gamecallback,
873                         &g_menumgr))->drop();
874         
875         // Enable texts
876         /*guitext2->setVisible(true);
877         guitext_info->setVisible(true);
878         guitext_chat->setVisible(true);*/
879
880         //s32 guitext_chat_pad_bottom = 70;
881
882         /*
883                 Some statistics are collected in these
884         */
885         u32 drawtime = 0;
886         u32 beginscenetime = 0;
887         u32 scenetime = 0;
888         u32 endscenetime = 0;
889         
890         // A test
891         //throw con::PeerNotFoundException("lol");
892
893         core::list<float> frametime_log;
894
895         float damage_flash_timer = 0;
896
897         /*
898                 Main loop
899         */
900
901         bool first_loop_after_window_activation = true;
902
903         // Time is in milliseconds
904         // NOTE: getRealTime() causes strange problems in wine (imprecision?)
905         // NOTE: So we have to use getTime() and call run()s between them
906         u32 lasttime = device->getTimer()->getTime();
907
908         while(device->run() && kill == false)
909         {
910                 if(g_gamecallback->disconnect_requested)
911                 {
912                         g_gamecallback->disconnect_requested = false;
913                         break;
914                 }
915
916                 if(g_gamecallback->changepassword_requested)
917                 {
918                         (new GUIPasswordChange(guienv, guiroot, -1,
919                                 &g_menumgr, &client))->drop();
920                         g_gamecallback->changepassword_requested = false;
921                 }
922
923                 /*
924                         Process TextureSource's queue
925                 */
926                 ((TextureSource*)g_texturesource)->processQueue();
927
928                 /*
929                         Random calculations
930                 */
931                 last_screensize = screensize;
932                 screensize = driver->getScreenSize();
933                 v2s32 displaycenter(screensize.X/2,screensize.Y/2);
934                 //bool screensize_changed = screensize != last_screensize;
935                 
936                 // Hilight boxes collected during the loop and displayed
937                 core::list< core::aabbox3d<f32> > hilightboxes;
938                 
939                 // Info text
940                 std::wstring infotext;
941
942                 // When screen size changes, update positions and sizes of stuff
943                 /*if(screensize_changed)
944                 {
945                         v2s32 pos(displaycenter.X-((quickinv_itemcount-1)*quickinv_spacing+quickinv_size)/2, screensize.Y-quickinv_spacing);
946                         quick_inventory->updatePosition(pos);
947                 }*/
948
949                 //TimeTaker //timer1("//timer1");
950                 
951                 // Time of frame without fps limit
952                 float busytime;
953                 u32 busytime_u32;
954                 {
955                         // not using getRealTime is necessary for wine
956                         u32 time = device->getTimer()->getTime();
957                         if(time > lasttime)
958                                 busytime_u32 = time - lasttime;
959                         else
960                                 busytime_u32 = 0;
961                         busytime = busytime_u32 / 1000.0;
962                 }
963
964                 //std::cout<<"busytime_u32="<<busytime_u32<<std::endl;
965         
966                 // Necessary for device->getTimer()->getTime()
967                 device->run();
968
969                 /*
970                         Viewing range
971                 */
972                 
973                 updateViewingRange(busytime, &client);
974                 
975                 /*
976                         FPS limiter
977                 */
978
979                 {
980                         float fps_max = g_settings.getFloat("fps_max");
981                         u32 frametime_min = 1000./fps_max;
982                         
983                         if(busytime_u32 < frametime_min)
984                         {
985                                 u32 sleeptime = frametime_min - busytime_u32;
986                                 device->sleep(sleeptime);
987                         }
988                 }
989
990                 // Necessary for device->getTimer()->getTime()
991                 device->run();
992
993                 /*
994                         Time difference calculation
995                 */
996                 f32 dtime; // in seconds
997                 
998                 u32 time = device->getTimer()->getTime();
999                 if(time > lasttime)
1000                         dtime = (time - lasttime) / 1000.0;
1001                 else
1002                         dtime = 0;
1003                 lasttime = time;
1004
1005                 /*
1006                         Log frametime for visualization
1007                 */
1008                 frametime_log.push_back(dtime);
1009                 if(frametime_log.size() > 100)
1010                 {
1011                         core::list<float>::Iterator i = frametime_log.begin();
1012                         frametime_log.erase(i);
1013                 }
1014
1015                 /*
1016                         Visualize frametime in terminal
1017                 */
1018                 /*for(u32 i=0; i<dtime*400; i++)
1019                         std::cout<<"X";
1020                 std::cout<<std::endl;*/
1021
1022                 /*
1023                         Time average and jitter calculation
1024                 */
1025
1026                 static f32 dtime_avg1 = 0.0;
1027                 dtime_avg1 = dtime_avg1 * 0.98 + dtime * 0.02;
1028                 f32 dtime_jitter1 = dtime - dtime_avg1;
1029
1030                 static f32 dtime_jitter1_max_sample = 0.0;
1031                 static f32 dtime_jitter1_max_fraction = 0.0;
1032                 {
1033                         static f32 jitter1_max = 0.0;
1034                         static f32 counter = 0.0;
1035                         if(dtime_jitter1 > jitter1_max)
1036                                 jitter1_max = dtime_jitter1;
1037                         counter += dtime;
1038                         if(counter > 0.0)
1039                         {
1040                                 counter -= 3.0;
1041                                 dtime_jitter1_max_sample = jitter1_max;
1042                                 dtime_jitter1_max_fraction
1043                                                 = dtime_jitter1_max_sample / (dtime_avg1+0.001);
1044                                 jitter1_max = 0.0;
1045                         }
1046                 }
1047                 
1048                 /*
1049                         Busytime average and jitter calculation
1050                 */
1051
1052                 static f32 busytime_avg1 = 0.0;
1053                 busytime_avg1 = busytime_avg1 * 0.98 + busytime * 0.02;
1054                 f32 busytime_jitter1 = busytime - busytime_avg1;
1055                 
1056                 static f32 busytime_jitter1_max_sample = 0.0;
1057                 static f32 busytime_jitter1_min_sample = 0.0;
1058                 {
1059                         static f32 jitter1_max = 0.0;
1060                         static f32 jitter1_min = 0.0;
1061                         static f32 counter = 0.0;
1062                         if(busytime_jitter1 > jitter1_max)
1063                                 jitter1_max = busytime_jitter1;
1064                         if(busytime_jitter1 < jitter1_min)
1065                                 jitter1_min = busytime_jitter1;
1066                         counter += dtime;
1067                         if(counter > 0.0){
1068                                 counter -= 3.0;
1069                                 busytime_jitter1_max_sample = jitter1_max;
1070                                 busytime_jitter1_min_sample = jitter1_min;
1071                                 jitter1_max = 0.0;
1072                                 jitter1_min = 0.0;
1073                         }
1074                 }
1075                 
1076                 /*
1077                         Debug info for client
1078                 */
1079                 {
1080                         static float counter = 0.0;
1081                         counter -= dtime;
1082                         if(counter < 0)
1083                         {
1084                                 counter = 30.0;
1085                                 client.printDebugInfo(std::cout);
1086                         }
1087                 }
1088
1089                 /*
1090                         Direct handling of user input
1091                 */
1092                 
1093                 // Reset input if window not active or some menu is active
1094                 if(device->isWindowActive() == false || noMenuActive() == false)
1095                 {
1096                         input->clear();
1097                 }
1098
1099                 // Input handler step() (used by the random input generator)
1100                 input->step(dtime);
1101
1102                 /*
1103                         Launch menus according to keys
1104                 */
1105                 if(input->wasKeyDown(getKeySetting("keymap_inventory")))
1106                 {
1107                         dstream<<DTIME<<"the_game: "
1108                                         <<"Launching inventory"<<std::endl;
1109                         
1110                         GUIInventoryMenu *menu =
1111                                 new GUIInventoryMenu(guienv, guiroot, -1,
1112                                         &g_menumgr, v2s16(8,7),
1113                                         client.getInventoryContext(),
1114                                         &client);
1115
1116                         core::array<GUIInventoryMenu::DrawSpec> draw_spec;
1117                         draw_spec.push_back(GUIInventoryMenu::DrawSpec(
1118                                         "list", "current_player", "main",
1119                                         v2s32(0, 3), v2s32(8, 4)));
1120                         draw_spec.push_back(GUIInventoryMenu::DrawSpec(
1121                                         "list", "current_player", "craft",
1122                                         v2s32(3, 0), v2s32(3, 3)));
1123                         draw_spec.push_back(GUIInventoryMenu::DrawSpec(
1124                                         "list", "current_player", "craftresult",
1125                                         v2s32(7, 1), v2s32(1, 1)));
1126
1127                         menu->setDrawSpec(draw_spec);
1128
1129                         menu->drop();
1130                 }
1131                 else if(input->wasKeyDown(KEY_ESCAPE))
1132                 {
1133                         dstream<<DTIME<<"the_game: "
1134                                         <<"Launching pause menu"<<std::endl;
1135                         // It will delete itself by itself
1136                         (new GUIPauseMenu(guienv, guiroot, -1, g_gamecallback,
1137                                         &g_menumgr))->drop();
1138
1139                         // Move mouse cursor on top of the disconnect button
1140                         input->setMousePos(displaycenter.X, displaycenter.Y+25);
1141                 }
1142                 else if(input->wasKeyDown(getKeySetting("keymap_chat")))
1143                 {
1144                         TextDest *dest = new TextDestChat(&client);
1145
1146                         (new GUITextInputMenu(guienv, guiroot, -1,
1147                                         &g_menumgr, dest,
1148                                         L""))->drop();
1149                 }
1150
1151                 // Item selection with mouse wheel
1152                 {
1153                         s32 wheel = input->getMouseWheel();
1154                         u16 max_item = MYMIN(PLAYER_INVENTORY_SIZE-1,
1155                                         hotbar_itemcount-1);
1156
1157                         if(wheel < 0)
1158                         {
1159                                 if(g_selected_item < max_item)
1160                                         g_selected_item++;
1161                                 else
1162                                         g_selected_item = 0;
1163                         }
1164                         else if(wheel > 0)
1165                         {
1166                                 if(g_selected_item > 0)
1167                                         g_selected_item--;
1168                                 else
1169                                         g_selected_item = max_item;
1170                         }
1171                 }
1172                 
1173                 // Item selection
1174                 for(u16 i=0; i<10; i++)
1175                 {
1176                         s32 keycode = irr::KEY_KEY_1 + i;
1177                         if(i == 9)
1178                                 keycode = irr::KEY_KEY_0;
1179                         if(input->wasKeyDown((irr::EKEY_CODE)keycode))
1180                         {
1181                                 if(i < PLAYER_INVENTORY_SIZE && i < hotbar_itemcount)
1182                                 {
1183                                         g_selected_item = i;
1184
1185                                         dstream<<DTIME<<"Selected item: "
1186                                                         <<g_selected_item<<std::endl;
1187                                 }
1188                         }
1189                 }
1190
1191                 // Viewing range selection
1192                 if(input->wasKeyDown(getKeySetting("keymap_rangeselect")))
1193                 {
1194                         if(draw_control.range_all)
1195                         {
1196                                 draw_control.range_all = false;
1197                                 dstream<<DTIME<<"Disabled full viewing range"<<std::endl;
1198                         }
1199                         else
1200                         {
1201                                 draw_control.range_all = true;
1202                                 dstream<<DTIME<<"Enabled full viewing range"<<std::endl;
1203                         }
1204                 }
1205
1206                 // Print debug stacks
1207                 if(input->wasKeyDown(getKeySetting("keymap_print_debug_stacks")))
1208                 {
1209                         dstream<<"-----------------------------------------"
1210                                         <<std::endl;
1211                         dstream<<DTIME<<"Printing debug stacks:"<<std::endl;
1212                         dstream<<"-----------------------------------------"
1213                                         <<std::endl;
1214                         debug_stacks_print();
1215                 }
1216
1217                 /*
1218                         Player speed control
1219                         TODO: Cache the keycodes from getKeySetting
1220                 */
1221                 
1222                 {
1223                         /*bool a_up,
1224                         bool a_down,
1225                         bool a_left,
1226                         bool a_right,
1227                         bool a_jump,
1228                         bool a_superspeed,
1229                         bool a_sneak,
1230                         float a_pitch,
1231                         float a_yaw*/
1232                         PlayerControl control(
1233                                 input->isKeyDown(getKeySetting("keymap_forward")),
1234                                 input->isKeyDown(getKeySetting("keymap_backward")),
1235                                 input->isKeyDown(getKeySetting("keymap_left")),
1236                                 input->isKeyDown(getKeySetting("keymap_right")),
1237                                 input->isKeyDown(getKeySetting("keymap_jump")),
1238                                 input->isKeyDown(getKeySetting("keymap_special1")),
1239                                 input->isKeyDown(getKeySetting("keymap_sneak")),
1240                                 camera_pitch,
1241                                 camera_yaw
1242                         );
1243                         client.setPlayerControl(control);
1244                 }
1245                 
1246                 /*
1247                         Run server
1248                 */
1249
1250                 if(server != NULL)
1251                 {
1252                         //TimeTaker timer("server->step(dtime)");
1253                         server->step(dtime);
1254                 }
1255
1256                 /*
1257                         Process environment
1258                 */
1259                 
1260                 {
1261                         //TimeTaker timer("client.step(dtime)");
1262                         client.step(dtime);
1263                         //client.step(dtime_avg1);
1264                 }
1265
1266                 // Read client events
1267                 for(;;)
1268                 {
1269                         ClientEvent event = client.getClientEvent();
1270                         if(event.type == CE_NONE)
1271                         {
1272                                 break;
1273                         }
1274                         else if(event.type == CE_PLAYER_DAMAGE)
1275                         {
1276                                 //u16 damage = event.player_damage.amount;
1277                                 //dstream<<"Player damage: "<<damage<<std::endl;
1278                                 damage_flash_timer = 0.05;
1279                         }
1280                         else if(event.type == CE_PLAYER_FORCE_MOVE)
1281                         {
1282                                 camera_yaw = event.player_force_move.yaw;
1283                                 camera_pitch = event.player_force_move.pitch;
1284                         }
1285                 }
1286                 
1287                 // Get player position
1288                 v3f player_position = client.getPlayerPosition();
1289
1290                 //TimeTaker //timer2("//timer2");
1291
1292                 /*
1293                         Mouse and camera control
1294                 */
1295                 
1296                 if((device->isWindowActive() && noMenuActive()) || random_input)
1297                 {
1298                         if(!random_input)
1299                                 device->getCursorControl()->setVisible(false);
1300
1301                         if(first_loop_after_window_activation){
1302                                 //std::cout<<"window active, first loop"<<std::endl;
1303                                 first_loop_after_window_activation = false;
1304                         }
1305                         else{
1306                                 s32 dx = input->getMousePos().X - displaycenter.X;
1307                                 s32 dy = input->getMousePos().Y - displaycenter.Y;
1308                                 //std::cout<<"window active, pos difference "<<dx<<","<<dy<<std::endl;
1309                                 
1310                                 /*const float keyspeed = 500;
1311                                 if(input->isKeyDown(irr::KEY_UP))
1312                                         dy -= dtime * keyspeed;
1313                                 if(input->isKeyDown(irr::KEY_DOWN))
1314                                         dy += dtime * keyspeed;
1315                                 if(input->isKeyDown(irr::KEY_LEFT))
1316                                         dx -= dtime * keyspeed;
1317                                 if(input->isKeyDown(irr::KEY_RIGHT))
1318                                         dx += dtime * keyspeed;*/
1319
1320                                 camera_yaw -= dx*0.2;
1321                                 camera_pitch += dy*0.2;
1322                                 if(camera_pitch < -89.5) camera_pitch = -89.5;
1323                                 if(camera_pitch > 89.5) camera_pitch = 89.5;
1324                         }
1325                         input->setMousePos(displaycenter.X, displaycenter.Y);
1326                 }
1327                 else{
1328                         device->getCursorControl()->setVisible(true);
1329
1330                         //std::cout<<"window inactive"<<std::endl;
1331                         first_loop_after_window_activation = true;
1332                 }
1333
1334                 camera_yaw = wrapDegrees(camera_yaw);
1335                 camera_pitch = wrapDegrees(camera_pitch);
1336                 
1337                 v3f camera_direction = v3f(0,0,1);
1338                 camera_direction.rotateYZBy(camera_pitch);
1339                 camera_direction.rotateXZBy(camera_yaw);
1340                 
1341                 // This is at the height of the eyes of the current figure
1342                 //v3f camera_position = player_position + v3f(0, BS+BS/2, 0);
1343                 // This is more like in minecraft
1344                 v3f camera_position = player_position + v3f(0, BS+BS*0.625, 0);
1345
1346                 camera->setPosition(camera_position);
1347                 // *100.0 helps in large map coordinates
1348                 camera->setTarget(camera_position + camera_direction * 100.0);
1349
1350                 if(FIELD_OF_VIEW_TEST){
1351                         client.updateCamera(v3f(0,0,0), v3f(0,0,1));
1352                 }
1353                 else{
1354                         //TimeTaker timer("client.updateCamera");
1355                         client.updateCamera(camera_position, camera_direction);
1356                 }
1357                 
1358                 //timer2.stop();
1359                 //TimeTaker //timer3("//timer3");
1360
1361                 /*
1362                         Calculate what block is the crosshair pointing to
1363                 */
1364                 
1365                 //u32 t1 = device->getTimer()->getRealTime();
1366                 
1367                 //f32 d = 4; // max. distance
1368                 f32 d = 4; // max. distance
1369                 core::line3d<f32> shootline(camera_position,
1370                                 camera_position + camera_direction * BS * (d+1));
1371
1372                 MapBlockObject *selected_object = client.getSelectedObject
1373                                 (d*BS, camera_position, shootline);
1374
1375                 ClientActiveObject *selected_active_object
1376                                 = client.getSelectedActiveObject
1377                                         (d*BS, camera_position, shootline);
1378
1379                 if(selected_object != NULL)
1380                 {
1381                         //dstream<<"Client returned selected_object != NULL"<<std::endl;
1382
1383                         core::aabbox3d<f32> box_on_map
1384                                         = selected_object->getSelectionBoxOnMap();
1385
1386                         hilightboxes.push_back(box_on_map);
1387
1388                         infotext = narrow_to_wide(selected_object->infoText());
1389
1390                         if(input->getLeftClicked())
1391                         {
1392                                 std::cout<<DTIME<<"Left-clicked object"<<std::endl;
1393                                 client.clickObject(0, selected_object->getBlock()->getPos(),
1394                                                 selected_object->getId(), g_selected_item);
1395                         }
1396                         else if(input->getRightClicked())
1397                         {
1398                                 std::cout<<DTIME<<"Right-clicked object"<<std::endl;
1399                                 /*
1400                                         Check if we want to modify the object ourselves
1401                                 */
1402                                 if(selected_object->getTypeId() == MAPBLOCKOBJECT_TYPE_SIGN)
1403                                 {
1404                                         dstream<<"Sign object right-clicked"<<std::endl;
1405                                         
1406                                         if(random_input == false)
1407                                         {
1408                                                 // Get a new text for it
1409
1410                                                 TextDest *dest = new TextDestSign(
1411                                                                 selected_object->getBlock()->getPos(),
1412                                                                 selected_object->getId(),
1413                                                                 &client);
1414
1415                                                 SignObject *sign_object = (SignObject*)selected_object;
1416
1417                                                 std::wstring wtext =
1418                                                                 narrow_to_wide(sign_object->getText());
1419
1420                                                 (new GUITextInputMenu(guienv, guiroot, -1,
1421                                                                 &g_menumgr, dest,
1422                                                                 wtext))->drop();
1423                                         }
1424                                 }
1425                                 /*
1426                                         Otherwise pass the event to the server as-is
1427                                 */
1428                                 else
1429                                 {
1430                                         client.clickObject(1, selected_object->getBlock()->getPos(),
1431                                                         selected_object->getId(), g_selected_item);
1432                                 }
1433                         }
1434                 }
1435                 else if(selected_active_object != NULL)
1436                 {
1437                         //dstream<<"Client returned selected_active_object != NULL"<<std::endl;
1438                         
1439                         core::aabbox3d<f32> *selection_box
1440                                         = selected_active_object->getSelectionBox();
1441                         // Box should exist because object was returned in the
1442                         // first place
1443                         assert(selection_box);
1444
1445                         v3f pos = selected_active_object->getPosition();
1446
1447                         core::aabbox3d<f32> box_on_map(
1448                                         selection_box->MinEdge + pos,
1449                                         selection_box->MaxEdge + pos
1450                         );
1451
1452                         hilightboxes.push_back(box_on_map);
1453
1454                         //infotext = narrow_to_wide("A ClientActiveObject");
1455                         infotext = narrow_to_wide(selected_active_object->infoText());
1456
1457                         if(input->getLeftClicked())
1458                         {
1459                                 std::cout<<DTIME<<"Left-clicked object"<<std::endl;
1460                                 client.clickActiveObject(0,
1461                                                 selected_active_object->getId(), g_selected_item);
1462                         }
1463                         else if(input->getRightClicked())
1464                         {
1465                                 std::cout<<DTIME<<"Right-clicked object"<<std::endl;
1466                         }
1467                 }
1468                 else // selected_object == NULL
1469                 {
1470
1471                 /*
1472                         Find out which node we are pointing at
1473                 */
1474                 
1475                 bool nodefound = false;
1476                 v3s16 nodepos;
1477                 v3s16 neighbourpos;
1478                 core::aabbox3d<f32> nodehilightbox;
1479
1480                 getPointedNode(&client, player_position,
1481                                 camera_direction, camera_position,
1482                                 nodefound, shootline,
1483                                 nodepos, neighbourpos,
1484                                 nodehilightbox, d);
1485         
1486                 static float nodig_delay_counter = 0.0;
1487
1488                 if(nodefound)
1489                 {
1490                         static v3s16 nodepos_old(-32768,-32768,-32768);
1491
1492                         static float dig_time = 0.0;
1493                         static u16 dig_index = 0;
1494                         
1495                         /*
1496                                 Visualize selection
1497                         */
1498
1499                         hilightboxes.push_back(nodehilightbox);
1500
1501                         /*
1502                                 Check information text of node
1503                         */
1504
1505                         NodeMetadata *meta = client.getNodeMetadata(nodepos);
1506                         if(meta)
1507                         {
1508                                 infotext = narrow_to_wide(meta->infoText());
1509                         }
1510                         
1511                         //MapNode node = client.getNode(nodepos);
1512
1513                         /*
1514                                 Handle digging
1515                         */
1516                         
1517                         if(input->getLeftReleased())
1518                         {
1519                                 client.clearTempMod(nodepos);
1520                                 dig_time = 0.0;
1521                         }
1522                         
1523                         if(nodig_delay_counter > 0.0)
1524                         {
1525                                 nodig_delay_counter -= dtime;
1526                         }
1527                         else
1528                         {
1529                                 if(nodepos != nodepos_old)
1530                                 {
1531                                         std::cout<<DTIME<<"Pointing at ("<<nodepos.X<<","
1532                                                         <<nodepos.Y<<","<<nodepos.Z<<")"<<std::endl;
1533
1534                                         if(nodepos_old != v3s16(-32768,-32768,-32768))
1535                                         {
1536                                                 client.clearTempMod(nodepos_old);
1537                                                 dig_time = 0.0;
1538                                         }
1539                                 }
1540
1541                                 if(input->getLeftClicked() ||
1542                                                 (input->getLeftState() && nodepos != nodepos_old))
1543                                 {
1544                                         dstream<<DTIME<<"Started digging"<<std::endl;
1545                                         client.groundAction(0, nodepos, neighbourpos, g_selected_item);
1546                                 }
1547                                 if(input->getLeftClicked())
1548                                 {
1549                                         client.setTempMod(nodepos, NodeMod(NODEMOD_CRACK, 0));
1550                                 }
1551                                 if(input->getLeftState())
1552                                 {
1553                                         MapNode n = client.getNode(nodepos);
1554                                 
1555                                         // Get tool name. Default is "" = bare hands
1556                                         std::string toolname = "";
1557                                         InventoryList *mlist = local_inventory.getList("main");
1558                                         if(mlist != NULL)
1559                                         {
1560                                                 InventoryItem *item = mlist->getItem(g_selected_item);
1561                                                 if(item && (std::string)item->getName() == "ToolItem")
1562                                                 {
1563                                                         ToolItem *titem = (ToolItem*)item;
1564                                                         toolname = titem->getToolName();
1565                                                 }
1566                                         }
1567
1568                                         // Get digging properties for material and tool
1569                                         u8 material = n.d;
1570                                         DiggingProperties prop =
1571                                                         getDiggingProperties(material, toolname);
1572                                         
1573                                         float dig_time_complete = 0.0;
1574
1575                                         if(prop.diggable == false)
1576                                         {
1577                                                 /*dstream<<"Material "<<(int)material
1578                                                                 <<" not diggable with \""
1579                                                                 <<toolname<<"\""<<std::endl;*/
1580                                                 // I guess nobody will wait for this long
1581                                                 dig_time_complete = 10000000.0;
1582                                         }
1583                                         else
1584                                         {
1585                                                 dig_time_complete = prop.time;
1586                                         }
1587                                         
1588                                         if(dig_time_complete >= 0.001)
1589                                         {
1590                                                 dig_index = (u16)((float)CRACK_ANIMATION_LENGTH
1591                                                                 * dig_time/dig_time_complete);
1592                                         }
1593                                         // This is for torches
1594                                         else
1595                                         {
1596                                                 dig_index = CRACK_ANIMATION_LENGTH;
1597                                         }
1598
1599                                         if(dig_index < CRACK_ANIMATION_LENGTH)
1600                                         {
1601                                                 //TimeTaker timer("client.setTempMod");
1602                                                 //dstream<<"dig_index="<<dig_index<<std::endl;
1603                                                 client.setTempMod(nodepos, NodeMod(NODEMOD_CRACK, dig_index));
1604                                         }
1605                                         else
1606                                         {
1607                                                 dstream<<DTIME<<"Digging completed"<<std::endl;
1608                                                 client.groundAction(3, nodepos, neighbourpos, g_selected_item);
1609                                                 client.clearTempMod(nodepos);
1610                                                 client.removeNode(nodepos);
1611
1612                                                 dig_time = 0;
1613
1614                                                 nodig_delay_counter = dig_time_complete
1615                                                                 / (float)CRACK_ANIMATION_LENGTH;
1616
1617                                                 // We don't want a corresponding delay to
1618                                                 // very time consuming nodes
1619                                                 if(nodig_delay_counter > 0.5)
1620                                                 {
1621                                                         nodig_delay_counter = 0.5;
1622                                                 }
1623                                                 // We want a slight delay to very little
1624                                                 // time consuming nodes
1625                                                 float mindelay = 0.15;
1626                                                 if(nodig_delay_counter < mindelay)
1627                                                 {
1628                                                         nodig_delay_counter = mindelay;
1629                                                 }
1630                                         }
1631
1632                                         dig_time += dtime;
1633                                 }
1634                         }
1635                         
1636                         if(input->getRightClicked())
1637                         {
1638                                 std::cout<<DTIME<<"Ground right-clicked"<<std::endl;
1639                                 
1640                                 if(meta && meta->typeId() == CONTENT_SIGN_WALL && !random_input)
1641                                 {
1642                                         dstream<<"Sign node right-clicked"<<std::endl;
1643                                         
1644                                         SignNodeMetadata *signmeta = (SignNodeMetadata*)meta;
1645                                         
1646                                         // Get a new text for it
1647
1648                                         TextDest *dest = new TextDestSignNode(nodepos, &client);
1649
1650                                         std::wstring wtext =
1651                                                         narrow_to_wide(signmeta->getText());
1652
1653                                         (new GUITextInputMenu(guienv, guiroot, -1,
1654                                                         &g_menumgr, dest,
1655                                                         wtext))->drop();
1656                                 }
1657                                 else if(meta && meta->typeId() == CONTENT_CHEST && !random_input)
1658                                 {
1659                                         dstream<<"Chest node right-clicked"<<std::endl;
1660                                         
1661                                         //ChestNodeMetadata *chestmeta = (ChestNodeMetadata*)meta;
1662
1663                                         std::string chest_inv_id;
1664                                         chest_inv_id += "nodemeta:";
1665                                         chest_inv_id += itos(nodepos.X);
1666                                         chest_inv_id += ",";
1667                                         chest_inv_id += itos(nodepos.Y);
1668                                         chest_inv_id += ",";
1669                                         chest_inv_id += itos(nodepos.Z);
1670                                         
1671                                         GUIInventoryMenu *menu =
1672                                                 new GUIInventoryMenu(guienv, guiroot, -1,
1673                                                         &g_menumgr, v2s16(8,9),
1674                                                         client.getInventoryContext(),
1675                                                         &client);
1676
1677                                         core::array<GUIInventoryMenu::DrawSpec> draw_spec;
1678                                         
1679                                         draw_spec.push_back(GUIInventoryMenu::DrawSpec(
1680                                                         "list", chest_inv_id, "0",
1681                                                         v2s32(0, 0), v2s32(8, 4)));
1682                                         draw_spec.push_back(GUIInventoryMenu::DrawSpec(
1683                                                         "list", "current_player", "main",
1684                                                         v2s32(0, 5), v2s32(8, 4)));
1685
1686                                         menu->setDrawSpec(draw_spec);
1687
1688                                         menu->drop();
1689
1690                                 }
1691                                 else if(meta && meta->typeId() == CONTENT_FURNACE && !random_input)
1692                                 {
1693                                         dstream<<"Furnace node right-clicked"<<std::endl;
1694                                         
1695                                         GUIFurnaceMenu *menu =
1696                                                 new GUIFurnaceMenu(guienv, guiroot, -1,
1697                                                         &g_menumgr, nodepos, &client);
1698
1699                                         menu->drop();
1700
1701                                 }
1702                                 else
1703                                 {
1704                                         client.groundAction(1, nodepos, neighbourpos, g_selected_item);
1705                                 }
1706                         }
1707                         
1708                         nodepos_old = nodepos;
1709                 }
1710                 else{
1711                 }
1712
1713                 } // selected_object == NULL
1714                 
1715                 input->resetLeftClicked();
1716                 input->resetRightClicked();
1717                 
1718                 if(input->getLeftReleased())
1719                 {
1720                         std::cout<<DTIME<<"Left button released (stopped digging)"
1721                                         <<std::endl;
1722                         client.groundAction(2, v3s16(0,0,0), v3s16(0,0,0), 0);
1723                 }
1724                 if(input->getRightReleased())
1725                 {
1726                         //std::cout<<DTIME<<"Right released"<<std::endl;
1727                         // Nothing here
1728                 }
1729                 
1730                 input->resetLeftReleased();
1731                 input->resetRightReleased();
1732                 
1733                 /*
1734                         Calculate stuff for drawing
1735                 */
1736
1737                 camera->setAspectRatio((f32)screensize.X / (f32)screensize.Y);
1738                 
1739                 u32 daynight_ratio = client.getDayNightRatio();
1740                 u8 l = decode_light((daynight_ratio * LIGHT_SUN) / 1000);
1741                 video::SColor bgcolor = video::SColor(
1742                                 255,
1743                                 bgcolor_bright.getRed() * l / 255,
1744                                 bgcolor_bright.getGreen() * l / 255,
1745                                 bgcolor_bright.getBlue() * l / 255);
1746                                 /*skycolor.getRed() * l / 255,
1747                                 skycolor.getGreen() * l / 255,
1748                                 skycolor.getBlue() * l / 255);*/
1749
1750                 float brightness = (float)l/255.0;
1751
1752                 /*
1753                         Update skybox
1754                 */
1755                 if(fabs(brightness - old_brightness) > 0.01)
1756                         update_skybox(driver, smgr, skybox, brightness);
1757
1758                 /*
1759                         Update coulds
1760                 */
1761                 if(clouds)
1762                 {
1763                         clouds->step(dtime);
1764                         clouds->update(v2f(player_position.X, player_position.Z),
1765                                         0.05+brightness*0.95);
1766                 }
1767                 
1768                 // Store brightness value
1769                 old_brightness = brightness;
1770
1771                 /*
1772                         Fog
1773                 */
1774                 
1775                 if(g_settings.getBool("enable_fog") == true)
1776                 {
1777                         f32 range = draw_control.wanted_range*BS + MAP_BLOCKSIZE*BS*1.5;
1778                         if(draw_control.range_all)
1779                                 range = 100000*BS;
1780                         if(range < 50*BS)
1781                                 range = range * 0.5 + 25*BS;
1782
1783                         driver->setFog(
1784                                 bgcolor,
1785                                 video::EFT_FOG_LINEAR,
1786                                 range*0.4,
1787                                 range*1.0,
1788                                 0.01,
1789                                 false, // pixel fog
1790                                 false // range fog
1791                         );
1792                 }
1793                 else
1794                 {
1795                         driver->setFog(
1796                                 bgcolor,
1797                                 video::EFT_FOG_LINEAR,
1798                                 100000*BS,
1799                                 110000*BS,
1800                                 0.01,
1801                                 false, // pixel fog
1802                                 false // range fog
1803                         );
1804                 }
1805
1806
1807                 /*
1808                         Update gui stuff (0ms)
1809                 */
1810
1811                 //TimeTaker guiupdatetimer("Gui updating");
1812                 
1813                 {
1814                         static float drawtime_avg = 0;
1815                         drawtime_avg = drawtime_avg * 0.95 + (float)drawtime*0.05;
1816                         static float beginscenetime_avg = 0;
1817                         beginscenetime_avg = beginscenetime_avg * 0.95 + (float)beginscenetime*0.05;
1818                         static float scenetime_avg = 0;
1819                         scenetime_avg = scenetime_avg * 0.95 + (float)scenetime*0.05;
1820                         static float endscenetime_avg = 0;
1821                         endscenetime_avg = endscenetime_avg * 0.95 + (float)endscenetime*0.05;
1822                         
1823                         char temptext[300];
1824                         snprintf(temptext, 300, "Minetest-c55 %s ("
1825                                         "R: range_all=%i"
1826                                         ")"
1827                                         " drawtime=%.0f, beginscenetime=%.0f"
1828                                         ", scenetime=%.0f, endscenetime=%.0f",
1829                                         VERSION_STRING,
1830                                         draw_control.range_all,
1831                                         drawtime_avg,
1832                                         beginscenetime_avg,
1833                                         scenetime_avg,
1834                                         endscenetime_avg
1835                                         );
1836                         
1837                         guitext->setText(narrow_to_wide(temptext).c_str());
1838                 }
1839                 
1840                 {
1841                         char temptext[300];
1842                         snprintf(temptext, 300,
1843                                         "(% .1f, % .1f, % .1f)"
1844                                         " (% .3f < btime_jitter < % .3f"
1845                                         ", dtime_jitter = % .1f %%"
1846                                         ", v_range = %.1f)",
1847                                         player_position.X/BS,
1848                                         player_position.Y/BS,
1849                                         player_position.Z/BS,
1850                                         busytime_jitter1_min_sample,
1851                                         busytime_jitter1_max_sample,
1852                                         dtime_jitter1_max_fraction * 100.0,
1853                                         draw_control.wanted_range
1854                                         );
1855
1856                         guitext2->setText(narrow_to_wide(temptext).c_str());
1857                 }
1858                 
1859                 {
1860                         guitext_info->setText(infotext.c_str());
1861                 }
1862                 
1863                 /*
1864                         Get chat messages from client
1865                 */
1866                 {
1867                         // Get new messages
1868                         std::wstring message;
1869                         while(client.getChatMessage(message))
1870                         {
1871                                 chat_lines.push_back(ChatLine(message));
1872                                 /*if(chat_lines.size() > 6)
1873                                 {
1874                                         core::list<ChatLine>::Iterator
1875                                                         i = chat_lines.begin();
1876                                         chat_lines.erase(i);
1877                                 }*/
1878                         }
1879                         // Append them to form the whole static text and throw
1880                         // it to the gui element
1881                         std::wstring whole;
1882                         // This will correspond to the line number counted from
1883                         // top to bottom, from size-1 to 0
1884                         s16 line_number = chat_lines.size();
1885                         // Count of messages to be removed from the top
1886                         u16 to_be_removed_count = 0;
1887                         for(core::list<ChatLine>::Iterator
1888                                         i = chat_lines.begin();
1889                                         i != chat_lines.end(); i++)
1890                         {
1891                                 // After this, line number is valid for this loop
1892                                 line_number--;
1893                                 // Increment age
1894                                 (*i).age += dtime;
1895                                 /*
1896                                         This results in a maximum age of 60*6 to the
1897                                         lowermost line and a maximum of 6 lines
1898                                 */
1899                                 float allowed_age = (6-line_number) * 60.0;
1900
1901                                 if((*i).age > allowed_age)
1902                                 {
1903                                         to_be_removed_count++;
1904                                         continue;
1905                                 }
1906                                 whole += (*i).text + L'\n';
1907                         }
1908                         for(u16 i=0; i<to_be_removed_count; i++)
1909                         {
1910                                 core::list<ChatLine>::Iterator
1911                                                 it = chat_lines.begin();
1912                                 chat_lines.erase(it);
1913                         }
1914                         guitext_chat->setText(whole.c_str());
1915
1916                         // Update gui element size and position
1917
1918                         /*core::rect<s32> rect(
1919                                         10,
1920                                         screensize.Y - guitext_chat_pad_bottom
1921                                                         - text_height*chat_lines.size(),
1922                                         screensize.X - 10,
1923                                         screensize.Y - guitext_chat_pad_bottom
1924                         );*/
1925                         core::rect<s32> rect(
1926                                         10,
1927                                         50,
1928                                         screensize.X - 10,
1929                                         50 + text_height*chat_lines.size()
1930                         );
1931
1932                         guitext_chat->setRelativePosition(rect);
1933
1934                         if(chat_lines.size() == 0)
1935                                 guitext_chat->setVisible(false);
1936                         else
1937                                 guitext_chat->setVisible(true);
1938                 }
1939
1940                 /*
1941                         Inventory
1942                 */
1943                 
1944                 static u16 old_selected_item = 65535;
1945                 if(client.getLocalInventoryUpdated()
1946                                 || g_selected_item != old_selected_item)
1947                 {
1948                         old_selected_item = g_selected_item;
1949                         //std::cout<<"Updating local inventory"<<std::endl;
1950                         client.getLocalInventory(local_inventory);
1951                 }
1952                 
1953                 /*
1954                         Send actions returned by the inventory menu
1955                 */
1956                 while(inventory_action_queue.size() != 0)
1957                 {
1958                         InventoryAction *a = inventory_action_queue.pop_front();
1959
1960                         client.sendInventoryAction(a);
1961                         // Eat it
1962                         delete a;
1963                 }
1964
1965                 /*
1966                         Drawing begins
1967                 */
1968
1969                 TimeTaker drawtimer("Drawing");
1970
1971                 
1972                 {
1973                         TimeTaker timer("beginScene");
1974                         driver->beginScene(true, true, bgcolor);
1975                         //driver->beginScene(false, true, bgcolor);
1976                         beginscenetime = timer.stop(true);
1977                 }
1978
1979                 //timer3.stop();
1980                 
1981                 //std::cout<<DTIME<<"smgr->drawAll()"<<std::endl;
1982                 
1983                 {
1984                         TimeTaker timer("smgr");
1985                         smgr->drawAll();
1986                         scenetime = timer.stop(true);
1987                 }
1988                 
1989                 {
1990                 //TimeTaker timer9("auxiliary drawings");
1991                 // 0ms
1992                 
1993                 //timer9.stop();
1994                 //TimeTaker //timer10("//timer10");
1995                 
1996                 video::SMaterial m;
1997                 //m.Thickness = 10;
1998                 m.Thickness = 3;
1999                 m.Lighting = false;
2000                 driver->setMaterial(m);
2001
2002                 driver->setTransform(video::ETS_WORLD, core::IdentityMatrix);
2003
2004                 for(core::list< core::aabbox3d<f32> >::Iterator i=hilightboxes.begin();
2005                                 i != hilightboxes.end(); i++)
2006                 {
2007                         /*std::cout<<"hilightbox min="
2008                                         <<"("<<i->MinEdge.X<<","<<i->MinEdge.Y<<","<<i->MinEdge.Z<<")"
2009                                         <<" max="
2010                                         <<"("<<i->MaxEdge.X<<","<<i->MaxEdge.Y<<","<<i->MaxEdge.Z<<")"
2011                                         <<std::endl;*/
2012                         driver->draw3DBox(*i, video::SColor(255,0,0,0));
2013                 }
2014
2015                 /*
2016                         Frametime log
2017                 */
2018                 if(g_settings.getBool("frametime_graph") == true)
2019                 {
2020                         s32 x = 10;
2021                         for(core::list<float>::Iterator
2022                                         i = frametime_log.begin();
2023                                         i != frametime_log.end();
2024                                         i++)
2025                         {
2026                                 driver->draw2DLine(v2s32(x,50),
2027                                                 v2s32(x,50+(*i)*1000),
2028                                                 video::SColor(255,255,255,255));
2029                                 x++;
2030                         }
2031                 }
2032
2033                 /*
2034                         Draw crosshair
2035                 */
2036                 driver->draw2DLine(displaycenter - core::vector2d<s32>(10,0),
2037                                 displaycenter + core::vector2d<s32>(10,0),
2038                                 video::SColor(255,255,255,255));
2039                 driver->draw2DLine(displaycenter - core::vector2d<s32>(0,10),
2040                                 displaycenter + core::vector2d<s32>(0,10),
2041                                 video::SColor(255,255,255,255));
2042
2043                 } // timer
2044
2045                 //timer10.stop();
2046                 //TimeTaker //timer11("//timer11");
2047
2048                 /*
2049                         Draw gui
2050                 */
2051                 // 0-1ms
2052                 guienv->drawAll();
2053
2054                 /*
2055                         Draw hotbar
2056                 */
2057                 {
2058                         draw_hotbar(driver, font, v2s32(displaycenter.X, screensize.Y),
2059                                         hotbar_imagesize, hotbar_itemcount, &local_inventory,
2060                                         client.getHP());
2061                 }
2062
2063                 /*
2064                         Damage flash
2065                 */
2066                 if(damage_flash_timer > 0.0)
2067                 {
2068                         damage_flash_timer -= dtime;
2069                         
2070                         video::SColor color(128,255,0,0);
2071                         driver->draw2DRectangle(color,
2072                                         core::rect<s32>(0,0,screensize.X,screensize.Y),
2073                                         NULL);
2074                 }
2075                 
2076                 /*
2077                         End scene
2078                 */
2079                 {
2080                         TimeTaker timer("endScene");
2081                         endSceneX(driver);
2082                         endscenetime = timer.stop(true);
2083                 }
2084
2085                 drawtime = drawtimer.stop(true);
2086
2087                 /*
2088                         End of drawing
2089                 */
2090
2091                 static s16 lastFPS = 0;
2092                 //u16 fps = driver->getFPS();
2093                 u16 fps = (1.0/dtime_avg1);
2094
2095                 if (lastFPS != fps)
2096                 {
2097                         core::stringw str = L"Minetest [";
2098                         str += driver->getName();
2099                         str += "] FPS=";
2100                         str += fps;
2101
2102                         device->setWindowCaption(str.c_str());
2103                         lastFPS = fps;
2104                 }
2105         }
2106
2107         /*
2108                 Drop stuff
2109         */
2110         clouds->drop();
2111         
2112         /*
2113                 Draw a "shutting down" screen, which will be shown while the map
2114                 generator and other stuff quits
2115         */
2116         {
2117                 const wchar_t *shuttingdowntext = L"Shutting down stuff...";
2118                 gui::IGUIStaticText *gui_shuttingdowntext = guienv->addStaticText(
2119                                 shuttingdowntext, textrect, false, false);
2120                 gui_shuttingdowntext->setTextAlignment(gui::EGUIA_CENTER,
2121                                 gui::EGUIA_UPPERLEFT);
2122                 driver->beginScene(true, true, video::SColor(255,0,0,0));
2123                 guienv->drawAll();
2124                 driver->endScene();
2125                 gui_shuttingdowntext->remove();
2126         }
2127 }
2128
2129