22fab706c53246420bad6bf764c7734a1cfe6950
[oweals/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 "materials.h"
29 #include "config.h"
30 #include "clouds.h"
31 #include "farmesh.h"
32 #include "mapblock.h"
33
34 /*
35         TODO: Move content-aware stuff to separate file by adding properties
36               and virtual interfaces
37 */
38 #include "content_mapnode.h"
39 #include "content_nodemeta.h"
40
41 /*
42         Setting this to 1 enables a special camera mode that forces
43         the renderers to think that the camera statically points from
44         the starting place to a static direction.
45
46         This allows one to move around with the player and see what
47         is actually drawn behind solid things and behind the player.
48 */
49 #define FIELD_OF_VIEW_TEST 0
50
51
52 MapDrawControl draw_control;
53
54 // Chat data
55 struct ChatLine
56 {
57         ChatLine():
58                 age(0.0)
59         {
60         }
61         ChatLine(const std::wstring &a_text):
62                 age(0.0),
63                 text(a_text)
64         {
65         }
66         float age;
67         std::wstring text;
68 };
69
70 /*
71         Inventory stuff
72 */
73
74 // Inventory actions from the menu are buffered here before sending
75 Queue<InventoryAction*> inventory_action_queue;
76 // This is a copy of the inventory that the client's environment has
77 Inventory local_inventory;
78
79 u16 g_selected_item = 0;
80
81 /*
82         Text input system
83 */
84
85 struct TextDestSign : public TextDest
86 {
87         TextDestSign(v3s16 blockpos, s16 id, Client *client)
88         {
89                 m_blockpos = blockpos;
90                 m_id = id;
91                 m_client = client;
92         }
93         void gotText(std::wstring text)
94         {
95                 std::string ntext = wide_to_narrow(text);
96                 dstream<<"Changing text of a sign object: "
97                                 <<ntext<<std::endl;
98                 m_client->sendSignText(m_blockpos, m_id, ntext);
99         }
100
101         v3s16 m_blockpos;
102         s16 m_id;
103         Client *m_client;
104 };
105
106 struct TextDestChat : public TextDest
107 {
108         TextDestChat(Client *client)
109         {
110                 m_client = client;
111         }
112         void gotText(std::wstring text)
113         {
114                 // Discard empty line
115                 if(text == L"")
116                         return;
117
118                 // Send to others
119                 m_client->sendChatMessage(text);
120                 // Show locally
121                 m_client->addChatMessage(text);
122         }
123
124         Client *m_client;
125 };
126
127 struct TextDestSignNode : public TextDest
128 {
129         TextDestSignNode(v3s16 p, Client *client)
130         {
131                 m_p = p;
132                 m_client = client;
133         }
134         void gotText(std::wstring text)
135         {
136                 std::string ntext = wide_to_narrow(text);
137                 dstream<<"Changing text of a sign node: "
138                                 <<ntext<<std::endl;
139                 m_client->sendSignNodeText(m_p, ntext);
140         }
141
142         v3s16 m_p;
143         Client *m_client;
144 };
145
146 /*
147         Render distance feedback loop
148 */
149 void updateViewingRange(f32 frametime_in, Client *client)
150 {
151         if(draw_control.range_all == true)
152                 return;
153         
154         static f32 added_frametime = 0;
155         static s16 added_frames = 0;
156
157         added_frametime += frametime_in;
158         added_frames += 1;
159
160         // Actually this counter kind of sucks because frametime is busytime
161         static f32 counter = 0;
162         counter -= frametime_in;
163         if(counter > 0)
164                 return;
165         //counter = 0.1;
166         counter = 0.2;
167
168         /*dstream<<__FUNCTION_NAME
169                         <<": Collected "<<added_frames<<" frames, total of "
170                         <<added_frametime<<"s."<<std::endl;*/
171         
172         /*dstream<<"draw_control.blocks_drawn="
173                         <<draw_control.blocks_drawn
174                         <<", draw_control.blocks_would_have_drawn="
175                         <<draw_control.blocks_would_have_drawn
176                         <<std::endl;*/
177         
178         float range_min = g_settings.getS16("viewing_range_nodes_min");
179         float range_max = g_settings.getS16("viewing_range_nodes_max");
180         
181         // Limit minimum to keep the feedback loop stable
182         if(range_min < 5)
183                 range_min = 5;
184         
185         draw_control.wanted_min_range = range_min;
186         //draw_control.wanted_max_blocks = (1.5*draw_control.blocks_drawn)+1;
187         draw_control.wanted_max_blocks = (1.5*draw_control.blocks_would_have_drawn)+1;
188         if(draw_control.wanted_max_blocks < 10)
189                 draw_control.wanted_max_blocks = 10;
190         
191         float block_draw_ratio = 1.0;
192         if(draw_control.blocks_would_have_drawn != 0)
193         {
194                 block_draw_ratio = (float)draw_control.blocks_drawn
195                         / (float)draw_control.blocks_would_have_drawn;
196         }
197
198         // Calculate the average frametime in the case that all wanted
199         // blocks had been drawn
200         f32 frametime = added_frametime / added_frames / block_draw_ratio;
201         
202         added_frametime = 0.0;
203         added_frames = 0;
204         
205         float wanted_fps = g_settings.getFloat("wanted_fps");
206         float wanted_frametime = 1.0 / wanted_fps;
207         
208         f32 wanted_frametime_change = wanted_frametime - frametime;
209         //dstream<<"wanted_frametime_change="<<wanted_frametime_change<<std::endl;
210         
211         // If needed frametime change is small, just return
212         if(fabs(wanted_frametime_change) < wanted_frametime*0.4)
213         {
214                 //dstream<<"ignoring small wanted_frametime_change"<<std::endl;
215                 return;
216         }
217
218         float range = draw_control.wanted_range;
219         float new_range = range;
220
221         static s16 range_old = 0;
222         static f32 frametime_old = 0;
223         
224         float d_range = range - range_old;
225         f32 d_frametime = frametime - frametime_old;
226         // A sane default of 30ms per 50 nodes of range
227         static f32 time_per_range = 30. / 50;
228         if(d_range != 0)
229         {
230                 time_per_range = d_frametime / d_range;
231         }
232         
233         // The minimum allowed calculated frametime-range derivative:
234         // Practically this sets the maximum speed of changing the range.
235         // The lower this value, the higher the maximum changing speed.
236         // A low value here results in wobbly range (0.001)
237         // A high value here results in slow changing range (0.0025)
238         // SUGG: This could be dynamically adjusted so that when
239         //       the camera is turning, this is lower
240         //float min_time_per_range = 0.0015;
241         float min_time_per_range = 0.0010;
242         //float min_time_per_range = 0.05 / range;
243         if(time_per_range < min_time_per_range)
244         {
245                 time_per_range = min_time_per_range;
246                 //dstream<<"time_per_range="<<time_per_range<<" (min)"<<std::endl;
247         }
248         else
249         {
250                 //dstream<<"time_per_range="<<time_per_range<<std::endl;
251         }
252
253         f32 wanted_range_change = wanted_frametime_change / time_per_range;
254         // Dampen the change a bit to kill oscillations
255         //wanted_range_change *= 0.9;
256         //wanted_range_change *= 0.75;
257         wanted_range_change *= 0.5;
258         //dstream<<"wanted_range_change="<<wanted_range_change<<std::endl;
259
260         // If needed range change is very small, just return
261         if(fabs(wanted_range_change) < 0.001)
262         {
263                 //dstream<<"ignoring small wanted_range_change"<<std::endl;
264                 return;
265         }
266
267         new_range += wanted_range_change;
268         
269         //float new_range_unclamped = new_range;
270         if(new_range < range_min)
271                 new_range = range_min;
272         if(new_range > range_max)
273                 new_range = range_max;
274         
275         /*dstream<<"new_range="<<new_range_unclamped
276                         <<", clamped to "<<new_range<<std::endl;*/
277
278         draw_control.wanted_range = new_range;
279
280         range_old = new_range;
281         frametime_old = frametime;
282 }
283
284 /*
285         Hotbar draw routine
286 */
287 void draw_hotbar(video::IVideoDriver *driver, gui::IGUIFont *font,
288                 v2s32 centerlowerpos, s32 imgsize, s32 itemcount,
289                 Inventory *inventory, s32 halfheartcount)
290 {
291         InventoryList *mainlist = inventory->getList("main");
292         if(mainlist == NULL)
293         {
294                 dstream<<"WARNING: draw_hotbar(): mainlist == NULL"<<std::endl;
295                 return;
296         }
297         
298         s32 padding = imgsize/12;
299         //s32 height = imgsize + padding*2;
300         s32 width = itemcount*(imgsize+padding*2);
301         
302         // Position of upper left corner of bar
303         v2s32 pos = centerlowerpos - v2s32(width/2, imgsize+padding*2);
304         
305         // Draw background color
306         /*core::rect<s32> barrect(0,0,width,height);
307         barrect += pos;
308         video::SColor bgcolor(255,128,128,128);
309         driver->draw2DRectangle(bgcolor, barrect, NULL);*/
310
311         core::rect<s32> imgrect(0,0,imgsize,imgsize);
312
313         for(s32 i=0; i<itemcount; i++)
314         {
315                 InventoryItem *item = mainlist->getItem(i);
316                 
317                 core::rect<s32> rect = imgrect + pos
318                                 + v2s32(padding+i*(imgsize+padding*2), padding);
319                 
320                 if(g_selected_item == i)
321                 {
322                         driver->draw2DRectangle(video::SColor(255,255,0,0),
323                                         core::rect<s32>(rect.UpperLeftCorner - v2s32(1,1)*padding,
324                                                         rect.LowerRightCorner + v2s32(1,1)*padding),
325                                         NULL);
326                 }
327                 else
328                 {
329                         video::SColor bgcolor2(128,0,0,0);
330                         driver->draw2DRectangle(bgcolor2, rect, NULL);
331                 }
332
333                 if(item != NULL)
334                 {
335                         drawInventoryItem(driver, font, item, rect, NULL);
336                 }
337         }
338         
339         /*
340                 Draw hearts
341         */
342         {
343                 video::ITexture *heart_texture =
344                                 driver->getTexture(getTexturePath("heart.png").c_str());
345                 v2s32 p = pos + v2s32(0, -20);
346                 for(s32 i=0; i<halfheartcount/2; i++)
347                 {
348                         const video::SColor color(255,255,255,255);
349                         const video::SColor colors[] = {color,color,color,color};
350                         core::rect<s32> rect(0,0,16,16);
351                         rect += p;
352                         driver->draw2DImage(heart_texture, rect,
353                                 core::rect<s32>(core::position2d<s32>(0,0),
354                                 core::dimension2di(heart_texture->getOriginalSize())),
355                                 NULL, colors, true);
356                         p += v2s32(16,0);
357                 }
358                 if(halfheartcount % 2 == 1)
359                 {
360                         const video::SColor color(255,255,255,255);
361                         const video::SColor colors[] = {color,color,color,color};
362                         core::rect<s32> rect(0,0,16/2,16);
363                         rect += p;
364                         core::dimension2di srcd(heart_texture->getOriginalSize());
365                         srcd.Width /= 2;
366                         driver->draw2DImage(heart_texture, rect,
367                                 core::rect<s32>(core::position2d<s32>(0,0), srcd),
368                                 NULL, colors, true);
369                         p += v2s32(16,0);
370                 }
371         }
372 }
373
374 /*
375         Find what the player is pointing at
376 */
377 void getPointedNode(Client *client, v3f player_position,
378                 v3f camera_direction, v3f camera_position,
379                 bool &nodefound, core::line3d<f32> shootline,
380                 v3s16 &nodepos, v3s16 &neighbourpos,
381                 core::aabbox3d<f32> &nodehilightbox,
382                 f32 d)
383 {
384         f32 mindistance = BS * 1001;
385         
386         v3s16 pos_i = floatToInt(player_position, BS);
387
388         /*std::cout<<"pos_i=("<<pos_i.X<<","<<pos_i.Y<<","<<pos_i.Z<<")"
389                         <<std::endl;*/
390
391         s16 a = d;
392         s16 ystart = pos_i.Y + 0 - (camera_direction.Y<0 ? a : 1);
393         s16 zstart = pos_i.Z - (camera_direction.Z<0 ? a : 1);
394         s16 xstart = pos_i.X - (camera_direction.X<0 ? a : 1);
395         s16 yend = pos_i.Y + 1 + (camera_direction.Y>0 ? a : 1);
396         s16 zend = pos_i.Z + (camera_direction.Z>0 ? a : 1);
397         s16 xend = pos_i.X + (camera_direction.X>0 ? a : 1);
398         
399         for(s16 y = ystart; y <= yend; y++)
400         for(s16 z = zstart; z <= zend; z++)
401         for(s16 x = xstart; x <= xend; x++)
402         {
403                 MapNode n;
404                 try
405                 {
406                         n = client->getNode(v3s16(x,y,z));
407                         if(content_pointable(n.getContent()) == false)
408                                 continue;
409                 }
410                 catch(InvalidPositionException &e)
411                 {
412                         continue;
413                 }
414
415                 v3s16 np(x,y,z);
416                 v3f npf = intToFloat(np, BS);
417                 
418                 f32 d = 0.01;
419                 
420                 v3s16 dirs[6] = {
421                         v3s16(0,0,1), // back
422                         v3s16(0,1,0), // top
423                         v3s16(1,0,0), // right
424                         v3s16(0,0,-1), // front
425                         v3s16(0,-1,0), // bottom
426                         v3s16(-1,0,0), // left
427                 };
428                 
429                 /*
430                         Meta-objects
431                 */
432                 if(n.getContent() == CONTENT_TORCH)
433                 {
434                         v3s16 dir = unpackDir(n.param2);
435                         v3f dir_f = v3f(dir.X, dir.Y, dir.Z);
436                         dir_f *= BS/2 - BS/6 - BS/20;
437                         v3f cpf = npf + dir_f;
438                         f32 distance = (cpf - camera_position).getLength();
439
440                         core::aabbox3d<f32> box;
441                         
442                         // bottom
443                         if(dir == v3s16(0,-1,0))
444                         {
445                                 box = core::aabbox3d<f32>(
446                                         npf - v3f(BS/6, BS/2, BS/6),
447                                         npf + v3f(BS/6, -BS/2+BS/3*2, BS/6)
448                                 );
449                         }
450                         // top
451                         else if(dir == v3s16(0,1,0))
452                         {
453                                 box = core::aabbox3d<f32>(
454                                         npf - v3f(BS/6, -BS/2+BS/3*2, BS/6),
455                                         npf + v3f(BS/6, BS/2, BS/6)
456                                 );
457                         }
458                         // side
459                         else
460                         {
461                                 box = core::aabbox3d<f32>(
462                                         cpf - v3f(BS/6, BS/3, BS/6),
463                                         cpf + v3f(BS/6, BS/3, BS/6)
464                                 );
465                         }
466
467                         if(distance < mindistance)
468                         {
469                                 if(box.intersectsWithLine(shootline))
470                                 {
471                                         nodefound = true;
472                                         nodepos = np;
473                                         neighbourpos = np;
474                                         mindistance = distance;
475                                         nodehilightbox = box;
476                                 }
477                         }
478                 }
479                 else if(n.getContent() == CONTENT_SIGN_WALL)
480                 {
481                         v3s16 dir = unpackDir(n.param2);
482                         v3f dir_f = v3f(dir.X, dir.Y, dir.Z);
483                         dir_f *= BS/2 - BS/6 - BS/20;
484                         v3f cpf = npf + dir_f;
485                         f32 distance = (cpf - camera_position).getLength();
486
487                         v3f vertices[4] =
488                         {
489                                 v3f(BS*0.42,-BS*0.35,-BS*0.4),
490                                 v3f(BS*0.49, BS*0.35, BS*0.4),
491                         };
492
493                         for(s32 i=0; i<2; i++)
494                         {
495                                 if(dir == v3s16(1,0,0))
496                                         vertices[i].rotateXZBy(0);
497                                 if(dir == v3s16(-1,0,0))
498                                         vertices[i].rotateXZBy(180);
499                                 if(dir == v3s16(0,0,1))
500                                         vertices[i].rotateXZBy(90);
501                                 if(dir == v3s16(0,0,-1))
502                                         vertices[i].rotateXZBy(-90);
503                                 if(dir == v3s16(0,-1,0))
504                                         vertices[i].rotateXYBy(-90);
505                                 if(dir == v3s16(0,1,0))
506                                         vertices[i].rotateXYBy(90);
507
508                                 vertices[i] += npf;
509                         }
510
511                         core::aabbox3d<f32> box;
512
513                         box = core::aabbox3d<f32>(vertices[0]);
514                         box.addInternalPoint(vertices[1]);
515
516                         if(distance < mindistance)
517                         {
518                                 if(box.intersectsWithLine(shootline))
519                                 {
520                                         nodefound = true;
521                                         nodepos = np;
522                                         neighbourpos = np;
523                                         mindistance = distance;
524                                         nodehilightbox = box;
525                                 }
526                         }
527                 }
528
529                 else if(n.getContent() == CONTENT_LADDER)
530                 {
531                         v3s16 dir = unpackDir(n.param2);
532                         v3f dir_f = v3f(dir.X, dir.Y, dir.Z);
533                         dir_f *= BS/2 - BS/6 - BS/20;
534                         v3f cpf = npf + dir_f;
535                         f32 distance = (cpf - camera_position).getLength();
536
537                         v3f vertices[4] =
538                         {
539                                 v3f(BS*0.42,-BS/2,-BS/2),
540                                 v3f(BS*0.49, BS/2, BS/2),
541                         };
542
543                         for(s32 i=0; i<2; i++)
544                         {
545                                 if(dir == v3s16(1,0,0))
546                                         vertices[i].rotateXZBy(0);
547                                 if(dir == v3s16(-1,0,0))
548                                         vertices[i].rotateXZBy(180);
549                                 if(dir == v3s16(0,0,1))
550                                         vertices[i].rotateXZBy(90);
551                                 if(dir == v3s16(0,0,-1))
552                                         vertices[i].rotateXZBy(-90);
553                                 if(dir == v3s16(0,-1,0))
554                                         vertices[i].rotateXYBy(-90);
555                                 if(dir == v3s16(0,1,0))
556                                         vertices[i].rotateXYBy(90);
557
558                                 vertices[i] += npf;
559                         }
560
561                         core::aabbox3d<f32> box;
562
563                         box = core::aabbox3d<f32>(vertices[0]);
564                         box.addInternalPoint(vertices[1]);
565
566                         if(distance < mindistance)
567                         {
568                                 if(box.intersectsWithLine(shootline))
569                                 {
570                                         nodefound = true;
571                                         nodepos = np;
572                                         neighbourpos = np;
573                                         mindistance = distance;
574                                         nodehilightbox = box;
575                                 }
576                         }
577                 }
578                 else if(n.getContent() == CONTENT_RAIL)
579                 {
580                         v3s16 dir = unpackDir(n.param0);
581                         v3f dir_f = v3f(dir.X, dir.Y, dir.Z);
582                         dir_f *= BS/2 - BS/6 - BS/20;
583                         v3f cpf = npf + dir_f;
584                         f32 distance = (cpf - camera_position).getLength();
585
586                         float d = (float)BS/16;
587                         v3f vertices[4] =
588                         {
589                                 v3f(BS/2, -BS/2+d, -BS/2),
590                                 v3f(-BS/2, -BS/2, BS/2),
591                         };
592
593                         for(s32 i=0; i<2; i++)
594                         {
595                                 vertices[i] += npf;
596                         }
597
598                         core::aabbox3d<f32> box;
599
600                         box = core::aabbox3d<f32>(vertices[0]);
601                         box.addInternalPoint(vertices[1]);
602
603                         if(distance < mindistance)
604                         {
605                                 if(box.intersectsWithLine(shootline))
606                                 {
607                                         nodefound = true;
608                                         nodepos = np;
609                                         neighbourpos = np;
610                                         mindistance = distance;
611                                         nodehilightbox = box;
612                                 }
613                         }
614                 }
615                 /*
616                         Regular blocks
617                 */
618                 else
619                 {
620                         for(u16 i=0; i<6; i++)
621                         {
622                                 v3f dir_f = v3f(dirs[i].X,
623                                                 dirs[i].Y, dirs[i].Z);
624                                 v3f centerpoint = npf + dir_f * BS/2;
625                                 f32 distance =
626                                                 (centerpoint - camera_position).getLength();
627                                 
628                                 if(distance < mindistance)
629                                 {
630                                         core::CMatrix4<f32> m;
631                                         m.buildRotateFromTo(v3f(0,0,1), dir_f);
632
633                                         // This is the back face
634                                         v3f corners[2] = {
635                                                 v3f(BS/2, BS/2, BS/2),
636                                                 v3f(-BS/2, -BS/2, BS/2+d)
637                                         };
638                                         
639                                         for(u16 j=0; j<2; j++)
640                                         {
641                                                 m.rotateVect(corners[j]);
642                                                 corners[j] += npf;
643                                         }
644
645                                         core::aabbox3d<f32> facebox(corners[0]);
646                                         facebox.addInternalPoint(corners[1]);
647
648                                         if(facebox.intersectsWithLine(shootline))
649                                         {
650                                                 nodefound = true;
651                                                 nodepos = np;
652                                                 neighbourpos = np + dirs[i];
653                                                 mindistance = distance;
654
655                                                 //nodehilightbox = facebox;
656
657                                                 const float d = 0.502;
658                                                 core::aabbox3d<f32> nodebox
659                                                                 (-BS*d, -BS*d, -BS*d, BS*d, BS*d, BS*d);
660                                                 v3f nodepos_f = intToFloat(nodepos, BS);
661                                                 nodebox.MinEdge += nodepos_f;
662                                                 nodebox.MaxEdge += nodepos_f;
663                                                 nodehilightbox = nodebox;
664                                         }
665                                 } // if distance < mindistance
666                         } // for dirs
667                 } // regular block
668         } // for coords
669 }
670
671 void update_skybox(video::IVideoDriver* driver,
672                 scene::ISceneManager* smgr, scene::ISceneNode* &skybox,
673                 float brightness)
674 {
675         if(skybox)
676         {
677                 skybox->remove();
678         }
679         
680         /*// Disable skybox if FarMesh is enabled
681         if(g_settings.getBool("enable_farmesh"))
682                 return;*/
683         
684         if(brightness >= 0.5)
685         {
686                 skybox = smgr->addSkyBoxSceneNode(
687                         driver->getTexture(getTexturePath("skybox2.png").c_str()),
688                         driver->getTexture(getTexturePath("skybox3.png").c_str()),
689                         driver->getTexture(getTexturePath("skybox1.png").c_str()),
690                         driver->getTexture(getTexturePath("skybox1.png").c_str()),
691                         driver->getTexture(getTexturePath("skybox1.png").c_str()),
692                         driver->getTexture(getTexturePath("skybox1.png").c_str()));
693         }
694         else if(brightness >= 0.2)
695         {
696                 skybox = smgr->addSkyBoxSceneNode(
697                         driver->getTexture(getTexturePath("skybox2_dawn.png").c_str()),
698                         driver->getTexture(getTexturePath("skybox3_dawn.png").c_str()),
699                         driver->getTexture(getTexturePath("skybox1_dawn.png").c_str()),
700                         driver->getTexture(getTexturePath("skybox1_dawn.png").c_str()),
701                         driver->getTexture(getTexturePath("skybox1_dawn.png").c_str()),
702                         driver->getTexture(getTexturePath("skybox1_dawn.png").c_str()));
703         }
704         else
705         {
706                 skybox = smgr->addSkyBoxSceneNode(
707                         driver->getTexture(getTexturePath("skybox2_night.png").c_str()),
708                         driver->getTexture(getTexturePath("skybox3_night.png").c_str()),
709                         driver->getTexture(getTexturePath("skybox1_night.png").c_str()),
710                         driver->getTexture(getTexturePath("skybox1_night.png").c_str()),
711                         driver->getTexture(getTexturePath("skybox1_night.png").c_str()),
712                         driver->getTexture(getTexturePath("skybox1_night.png").c_str()));
713         }
714 }
715
716 /*
717         Draws a screen with a single text on it.
718         Text will be removed when the screen is drawn the next time.
719 */
720 /*gui::IGUIStaticText **/
721 void draw_load_screen(const std::wstring &text,
722                 video::IVideoDriver* driver, gui::IGUIFont* font)
723 {
724         v2u32 screensize = driver->getScreenSize();
725         const wchar_t *loadingtext = text.c_str();
726         core::vector2d<u32> textsize_u = font->getDimension(loadingtext);
727         core::vector2d<s32> textsize(textsize_u.X,textsize_u.Y);
728         core::vector2d<s32> center(screensize.X/2, screensize.Y/2);
729         core::rect<s32> textrect(center - textsize/2, center + textsize/2);
730
731         gui::IGUIStaticText *guitext = guienv->addStaticText(
732                         loadingtext, textrect, false, false);
733         guitext->setTextAlignment(gui::EGUIA_CENTER, gui::EGUIA_UPPERLEFT);
734
735         driver->beginScene(true, true, video::SColor(255,0,0,0));
736         guienv->drawAll();
737         driver->endScene();
738         
739         guitext->remove();
740         
741         //return guitext;
742 }
743
744 void the_game(
745         bool &kill,
746         bool random_input,
747         InputHandler *input,
748         IrrlichtDevice *device,
749         gui::IGUIFont* font,
750         std::string map_dir,
751         std::string playername,
752         std::string password,
753         std::string address,
754         u16 port,
755         std::wstring &error_message,
756     std::string configpath
757 )
758 {
759         video::IVideoDriver* driver = device->getVideoDriver();
760         scene::ISceneManager* smgr = device->getSceneManager();
761         
762         // Calculate text height using the font
763         u32 text_height = font->getDimension(L"Random test string").Height;
764
765         v2u32 screensize(0,0);
766         v2u32 last_screensize(0,0);
767         screensize = driver->getScreenSize();
768
769         const s32 hotbar_itemcount = 8;
770         //const s32 hotbar_imagesize = 36;
771         //const s32 hotbar_imagesize = 64;
772         s32 hotbar_imagesize = 48;
773         
774         // The color of the sky
775
776         //video::SColor skycolor = video::SColor(255,140,186,250);
777
778         video::SColor bgcolor_bright = video::SColor(255,170,200,230);
779
780         /*
781                 Draw "Loading" screen
782         */
783         /*gui::IGUIStaticText *gui_loadingtext = */
784         //draw_load_screen(L"Loading and connecting...", driver, font);
785
786         draw_load_screen(L"Loading...", driver, font);
787         
788         /*
789                 Create server.
790                 SharedPtr will delete it when it goes out of scope.
791         */
792         SharedPtr<Server> server;
793         if(address == ""){
794                 draw_load_screen(L"Creating server...", driver, font);
795                 std::cout<<DTIME<<"Creating server"<<std::endl;
796                 server = new Server(map_dir, configpath);
797                 server->start(port);
798         }
799         
800         /*
801                 Create client
802         */
803
804         draw_load_screen(L"Creating client...", driver, font);
805         std::cout<<DTIME<<"Creating client"<<std::endl;
806         Client client(device, playername.c_str(), password, draw_control);
807                         
808         draw_load_screen(L"Resolving address...", driver, font);
809         Address connect_address(0,0,0,0, port);
810         try{
811                 if(address == "")
812                         //connect_address.Resolve("localhost");
813                         connect_address.setAddress(127,0,0,1);
814                 else
815                         connect_address.Resolve(address.c_str());
816         }
817         catch(ResolveError &e)
818         {
819                 std::cout<<DTIME<<"Couldn't resolve address"<<std::endl;
820                 //return 0;
821                 error_message = L"Couldn't resolve address";
822                 //gui_loadingtext->remove();
823                 return;
824         }
825
826         /*
827                 Attempt to connect to the server
828         */
829         
830         dstream<<DTIME<<"Connecting to server at ";
831         connect_address.print(&dstream);
832         dstream<<std::endl;
833         client.connect(connect_address);
834
835         bool could_connect = false;
836         
837         try{
838                 float time_counter = 0.0;
839                 for(;;)
840                 {
841                         if(client.connectedAndInitialized())
842                         {
843                                 could_connect = true;
844                                 break;
845                         }
846                         if(client.accessDenied())
847                         {
848                                 break;
849                         }
850                         // Wait for 10 seconds
851                         if(time_counter >= 10.0)
852                         {
853                                 break;
854                         }
855                         
856                         std::wostringstream ss;
857                         ss<<L"Connecting to server... (timeout in ";
858                         ss<<(int)(10.0 - time_counter + 1.0);
859                         ss<<L" seconds)";
860                         draw_load_screen(ss.str(), driver, font);
861
862                         /*// Update screen
863                         driver->beginScene(true, true, video::SColor(255,0,0,0));
864                         guienv->drawAll();
865                         driver->endScene();*/
866
867                         // Update client and server
868
869                         client.step(0.1);
870
871                         if(server != NULL)
872                                 server->step(0.1);
873                         
874                         // Delay a bit
875                         sleep_ms(100);
876                         time_counter += 0.1;
877                 }
878         }
879         catch(con::PeerNotFoundException &e)
880         {}
881
882         if(could_connect == false)
883         {
884                 if(client.accessDenied())
885                 {
886                         error_message = L"Access denied. Reason: "
887                                         +client.accessDeniedReason();
888                         std::cout<<DTIME<<wide_to_narrow(error_message)<<std::endl;
889                 }
890                 else
891                 {
892                         error_message = L"Connection timed out.";
893                         std::cout<<DTIME<<"Timed out."<<std::endl;
894                 }
895                 //gui_loadingtext->remove();
896                 return;
897         }
898
899         /*
900                 Create skybox
901         */
902         float old_brightness = 1.0;
903         scene::ISceneNode* skybox = NULL;
904         update_skybox(driver, smgr, skybox, 1.0);
905         
906         /*
907                 Create the camera node
908         */
909
910         scene::ICameraSceneNode* camera = smgr->addCameraSceneNode(
911                 0, // Camera parent
912                 v3f(BS*100, BS*2, BS*100), // Look from
913                 v3f(BS*100+1, BS*2, BS*100), // Look to
914                 -1 // Camera ID
915         );
916
917         if(camera == NULL)
918         {
919                 error_message = L"Failed to create the camera node";
920                 return;
921         }
922
923         camera->setFOV(FOV_ANGLE);
924
925         // Just so big a value that everything rendered is visible
926         camera->setFarValue(100000*BS);
927         
928         f32 camera_yaw = 0; // "right/left"
929         f32 camera_pitch = 0; // "up/down"
930
931         /*
932                 Clouds
933         */
934         
935         float cloud_height = BS*100;
936         Clouds *clouds = NULL;
937         if(g_settings.getBool("enable_clouds"))
938         {
939                 clouds = new Clouds(smgr->getRootSceneNode(), smgr, -1,
940                                 cloud_height, time(0));
941         }
942         
943         /*
944                 FarMesh
945         */
946
947         FarMesh *farmesh = NULL;
948         if(g_settings.getBool("enable_farmesh"))
949         {
950                 farmesh = new FarMesh(smgr->getRootSceneNode(), smgr, -1, client.getMapSeed(), &client);
951         }
952
953         /*
954                 Move into game
955         */
956         
957         //gui_loadingtext->remove();
958
959         /*
960                 Add some gui stuff
961         */
962
963         // First line of debug text
964         gui::IGUIStaticText *guitext = guienv->addStaticText(
965                         L"Minetest-c55",
966                         core::rect<s32>(5, 5, 795, 5+text_height),
967                         false, false);
968         // Second line of debug text
969         gui::IGUIStaticText *guitext2 = guienv->addStaticText(
970                         L"",
971                         core::rect<s32>(5, 5+(text_height+5)*1, 795, (5+text_height)*2),
972                         false, false);
973         
974         // At the middle of the screen
975         // Object infos are shown in this
976         gui::IGUIStaticText *guitext_info = guienv->addStaticText(
977                         L"",
978                         core::rect<s32>(0,0,400,text_height+5) + v2s32(100,200),
979                         false, false);
980         
981         // Chat text
982         gui::IGUIStaticText *guitext_chat = guienv->addStaticText(
983                         L"",
984                         core::rect<s32>(0,0,0,0),
985                         //false, false); // Disable word wrap as of now
986                         false, true);
987         //guitext_chat->setBackgroundColor(video::SColor(96,0,0,0));
988         core::list<ChatLine> chat_lines;
989         
990         /*GUIQuickInventory *quick_inventory = new GUIQuickInventory
991                         (guienv, NULL, v2s32(10, 70), 5, &local_inventory);*/
992         /*GUIQuickInventory *quick_inventory = new GUIQuickInventory
993                         (guienv, NULL, v2s32(0, 0), quickinv_itemcount, &local_inventory);*/
994         
995         // Test the text input system
996         /*(new GUITextInputMenu(guienv, guiroot, -1, &g_menumgr,
997                         NULL))->drop();*/
998         /*GUIMessageMenu *menu =
999                         new GUIMessageMenu(guienv, guiroot, -1, 
1000                                 &g_menumgr,
1001                                 L"Asd");
1002         menu->drop();*/
1003         
1004         // Launch pause menu
1005         (new GUIPauseMenu(guienv, guiroot, -1, g_gamecallback,
1006                         &g_menumgr))->drop();
1007         
1008         // Enable texts
1009         /*guitext2->setVisible(true);
1010         guitext_info->setVisible(true);
1011         guitext_chat->setVisible(true);*/
1012
1013         //s32 guitext_chat_pad_bottom = 70;
1014
1015         /*
1016                 Some statistics are collected in these
1017         */
1018         u32 drawtime = 0;
1019         u32 beginscenetime = 0;
1020         u32 scenetime = 0;
1021         u32 endscenetime = 0;
1022         
1023         // A test
1024         //throw con::PeerNotFoundException("lol");
1025
1026         core::list<float> frametime_log;
1027
1028         float damage_flash_timer = 0;
1029         s16 farmesh_range = 20*MAP_BLOCKSIZE;
1030         
1031         bool invert_mouse = g_settings.getBool("invert_mouse");
1032
1033         /*
1034                 Main loop
1035         */
1036
1037         bool first_loop_after_window_activation = true;
1038
1039         // TODO: Convert the static interval timers to these
1040         // Interval limiter for profiler
1041         IntervalLimiter m_profiler_interval;
1042
1043         // Time is in milliseconds
1044         // NOTE: getRealTime() causes strange problems in wine (imprecision?)
1045         // NOTE: So we have to use getTime() and call run()s between them
1046         u32 lasttime = device->getTimer()->getTime();
1047
1048         while(device->run() && kill == false)
1049         {
1050                 //std::cerr<<"frame"<<std::endl;
1051
1052                 if(client.accessDenied())
1053                 {
1054                         error_message = L"Access denied. Reason: "
1055                                         +client.accessDeniedReason();
1056                         std::cout<<DTIME<<wide_to_narrow(error_message)<<std::endl;
1057                         break;
1058                 }
1059
1060                 if(g_gamecallback->disconnect_requested)
1061                 {
1062                         g_gamecallback->disconnect_requested = false;
1063                         break;
1064                 }
1065
1066                 if(g_gamecallback->changepassword_requested)
1067                 {
1068                         (new GUIPasswordChange(guienv, guiroot, -1,
1069                                 &g_menumgr, &client))->drop();
1070                         g_gamecallback->changepassword_requested = false;
1071                 }
1072
1073                 /*
1074                         Process TextureSource's queue
1075                 */
1076                 ((TextureSource*)g_texturesource)->processQueue();
1077
1078                 /*
1079                         Random calculations
1080                 */
1081                 last_screensize = screensize;
1082                 screensize = driver->getScreenSize();
1083                 v2s32 displaycenter(screensize.X/2,screensize.Y/2);
1084                 //bool screensize_changed = screensize != last_screensize;
1085
1086                 // Resize hotbar
1087                 if(screensize.Y <= 800)
1088                         hotbar_imagesize = 32;
1089                 else if(screensize.Y <= 1280)
1090                         hotbar_imagesize = 48;
1091                 else
1092                         hotbar_imagesize = 64;
1093                 
1094                 // Hilight boxes collected during the loop and displayed
1095                 core::list< core::aabbox3d<f32> > hilightboxes;
1096                 
1097                 // Info text
1098                 std::wstring infotext;
1099
1100                 // When screen size changes, update positions and sizes of stuff
1101                 /*if(screensize_changed)
1102                 {
1103                         v2s32 pos(displaycenter.X-((quickinv_itemcount-1)*quickinv_spacing+quickinv_size)/2, screensize.Y-quickinv_spacing);
1104                         quick_inventory->updatePosition(pos);
1105                 }*/
1106
1107                 //TimeTaker //timer1("//timer1");
1108                 
1109                 // Time of frame without fps limit
1110                 float busytime;
1111                 u32 busytime_u32;
1112                 {
1113                         // not using getRealTime is necessary for wine
1114                         u32 time = device->getTimer()->getTime();
1115                         if(time > lasttime)
1116                                 busytime_u32 = time - lasttime;
1117                         else
1118                                 busytime_u32 = 0;
1119                         busytime = busytime_u32 / 1000.0;
1120                 }
1121
1122                 //std::cout<<"busytime_u32="<<busytime_u32<<std::endl;
1123         
1124                 // Necessary for device->getTimer()->getTime()
1125                 device->run();
1126
1127                 /*
1128                         Viewing range
1129                 */
1130                 
1131                 updateViewingRange(busytime, &client);
1132                 
1133                 /*
1134                         FPS limiter
1135                 */
1136
1137                 {
1138                         float fps_max = g_settings.getFloat("fps_max");
1139                         u32 frametime_min = 1000./fps_max;
1140                         
1141                         if(busytime_u32 < frametime_min)
1142                         {
1143                                 u32 sleeptime = frametime_min - busytime_u32;
1144                                 device->sleep(sleeptime);
1145                         }
1146                 }
1147
1148                 // Necessary for device->getTimer()->getTime()
1149                 device->run();
1150
1151                 /*
1152                         Time difference calculation
1153                 */
1154                 f32 dtime; // in seconds
1155                 
1156                 u32 time = device->getTimer()->getTime();
1157                 if(time > lasttime)
1158                         dtime = (time - lasttime) / 1000.0;
1159                 else
1160                         dtime = 0;
1161                 lasttime = time;
1162
1163                 /*
1164                         Log frametime for visualization
1165                 */
1166                 frametime_log.push_back(dtime);
1167                 if(frametime_log.size() > 100)
1168                 {
1169                         core::list<float>::Iterator i = frametime_log.begin();
1170                         frametime_log.erase(i);
1171                 }
1172
1173                 /*
1174                         Visualize frametime in terminal
1175                 */
1176                 /*for(u32 i=0; i<dtime*400; i++)
1177                         std::cout<<"X";
1178                 std::cout<<std::endl;*/
1179
1180                 /*
1181                         Time average and jitter calculation
1182                 */
1183
1184                 static f32 dtime_avg1 = 0.0;
1185                 dtime_avg1 = dtime_avg1 * 0.96 + dtime * 0.04;
1186                 f32 dtime_jitter1 = dtime - dtime_avg1;
1187
1188                 static f32 dtime_jitter1_max_sample = 0.0;
1189                 static f32 dtime_jitter1_max_fraction = 0.0;
1190                 {
1191                         static f32 jitter1_max = 0.0;
1192                         static f32 counter = 0.0;
1193                         if(dtime_jitter1 > jitter1_max)
1194                                 jitter1_max = dtime_jitter1;
1195                         counter += dtime;
1196                         if(counter > 0.0)
1197                         {
1198                                 counter -= 3.0;
1199                                 dtime_jitter1_max_sample = jitter1_max;
1200                                 dtime_jitter1_max_fraction
1201                                                 = dtime_jitter1_max_sample / (dtime_avg1+0.001);
1202                                 jitter1_max = 0.0;
1203                         }
1204                 }
1205                 
1206                 /*
1207                         Busytime average and jitter calculation
1208                 */
1209
1210                 static f32 busytime_avg1 = 0.0;
1211                 busytime_avg1 = busytime_avg1 * 0.98 + busytime * 0.02;
1212                 f32 busytime_jitter1 = busytime - busytime_avg1;
1213                 
1214                 static f32 busytime_jitter1_max_sample = 0.0;
1215                 static f32 busytime_jitter1_min_sample = 0.0;
1216                 {
1217                         static f32 jitter1_max = 0.0;
1218                         static f32 jitter1_min = 0.0;
1219                         static f32 counter = 0.0;
1220                         if(busytime_jitter1 > jitter1_max)
1221                                 jitter1_max = busytime_jitter1;
1222                         if(busytime_jitter1 < jitter1_min)
1223                                 jitter1_min = busytime_jitter1;
1224                         counter += dtime;
1225                         if(counter > 0.0){
1226                                 counter -= 3.0;
1227                                 busytime_jitter1_max_sample = jitter1_max;
1228                                 busytime_jitter1_min_sample = jitter1_min;
1229                                 jitter1_max = 0.0;
1230                                 jitter1_min = 0.0;
1231                         }
1232                 }
1233                 
1234                 /*
1235                         Debug info for client
1236                 */
1237                 {
1238                         static float counter = 0.0;
1239                         counter -= dtime;
1240                         if(counter < 0)
1241                         {
1242                                 counter = 30.0;
1243                                 client.printDebugInfo(std::cout);
1244                         }
1245                 }
1246
1247                 /*
1248                         Profiler
1249                 */
1250                 float profiler_print_interval =
1251                                 g_settings.getFloat("profiler_print_interval");
1252                 if(profiler_print_interval != 0)
1253                 {
1254                         if(m_profiler_interval.step(0.030, profiler_print_interval))
1255                         {
1256                                 dstream<<"Profiler:"<<std::endl;
1257                                 g_profiler.print(dstream);
1258                                 g_profiler.clear();
1259                         }
1260                 }
1261
1262                 /*
1263                         Direct handling of user input
1264                 */
1265                 
1266                 // Reset input if window not active or some menu is active
1267                 if(device->isWindowActive() == false || noMenuActive() == false)
1268                 {
1269                         input->clear();
1270                 }
1271
1272                 // Input handler step() (used by the random input generator)
1273                 input->step(dtime);
1274
1275                 /*
1276                         Launch menus according to keys
1277                 */
1278                 if(input->wasKeyDown(getKeySetting("keymap_inventory")))
1279                 {
1280                         dstream<<DTIME<<"the_game: "
1281                                         <<"Launching inventory"<<std::endl;
1282                         
1283                         GUIInventoryMenu *menu =
1284                                 new GUIInventoryMenu(guienv, guiroot, -1,
1285                                         &g_menumgr, v2s16(8,7),
1286                                         client.getInventoryContext(),
1287                                         &client);
1288
1289                         core::array<GUIInventoryMenu::DrawSpec> draw_spec;
1290                         draw_spec.push_back(GUIInventoryMenu::DrawSpec(
1291                                         "list", "current_player", "main",
1292                                         v2s32(0, 3), v2s32(8, 4)));
1293                         draw_spec.push_back(GUIInventoryMenu::DrawSpec(
1294                                         "list", "current_player", "craft",
1295                                         v2s32(3, 0), v2s32(3, 3)));
1296                         draw_spec.push_back(GUIInventoryMenu::DrawSpec(
1297                                         "list", "current_player", "craftresult",
1298                                         v2s32(7, 1), v2s32(1, 1)));
1299
1300                         menu->setDrawSpec(draw_spec);
1301
1302                         menu->drop();
1303                 }
1304                 else if(input->wasKeyDown(EscapeKey))
1305                 {
1306                         dstream<<DTIME<<"the_game: "
1307                                         <<"Launching pause menu"<<std::endl;
1308                         // It will delete itself by itself
1309                         (new GUIPauseMenu(guienv, guiroot, -1, g_gamecallback,
1310                                         &g_menumgr))->drop();
1311
1312                         // Move mouse cursor on top of the disconnect button
1313                         input->setMousePos(displaycenter.X, displaycenter.Y+25);
1314                 }
1315                 else if(input->wasKeyDown(getKeySetting("keymap_chat")))
1316                 {
1317                         TextDest *dest = new TextDestChat(&client);
1318
1319                         (new GUITextInputMenu(guienv, guiroot, -1,
1320                                         &g_menumgr, dest,
1321                                         L""))->drop();
1322                 }
1323                 else if(input->wasKeyDown(getKeySetting("keymap_freemove")))
1324                 {
1325                         if(g_settings.getBool("free_move"))
1326                         {
1327                                 g_settings.set("free_move","false");
1328                                 chat_lines.push_back(ChatLine(L"free_move disabled"));
1329                         }
1330                         else
1331                         {
1332                                 g_settings.set("free_move","true");
1333                                 chat_lines.push_back(ChatLine(L"free_move enabled"));
1334                         }
1335                 }
1336                 else if(input->wasKeyDown(getKeySetting("keymap_fastmove")))
1337                 {
1338                         if(g_settings.getBool("fast_move"))
1339                         {
1340                                 g_settings.set("fast_move","false");
1341                                 chat_lines.push_back(ChatLine(L"fast_move disabled"));
1342                         }
1343                         else
1344                         {
1345                                 g_settings.set("fast_move","true");
1346                                 chat_lines.push_back(ChatLine(L"fast_move enabled"));
1347                         }
1348                 }
1349                 else if(input->wasKeyDown(getKeySetting("keymap_frametime_graph")))
1350                 {
1351                         if(g_settings.getBool("frametime_graph"))
1352                         {
1353                                 g_settings.set("frametime_graph","false");
1354                                 chat_lines.push_back(ChatLine(L"frametime_graph disabled"));
1355                         }
1356                         else
1357                         {
1358                                 g_settings.set("frametime_graph","true");
1359                                 chat_lines.push_back(ChatLine(L"frametime_graph enabled"));
1360                         }
1361                 }
1362                 else if(input->wasKeyDown(getKeySetting("keymap_screenshot")))
1363                 {
1364                         irr::video::IImage* const image = driver->createScreenShot(); 
1365                         if (image) { 
1366                                 irr::c8 filename[256]; 
1367                                 snprintf(filename, 256, "%s/screenshot_%u.png", 
1368                                                  g_settings.get("screenshot_path").c_str(),
1369                                                  device->getTimer()->getRealTime()); 
1370                                 if (driver->writeImageToFile(image, filename)) {
1371                                         std::wstringstream sstr;
1372                                         sstr<<"Saved screenshot to '"<<filename<<"'";
1373                                         dstream<<"Saved screenshot to '"<<filename<<"'"<<std::endl;
1374                                         chat_lines.push_back(ChatLine(sstr.str()));
1375                                 } else{
1376                                         dstream<<"Failed to save screenshot '"<<filename<<"'"<<std::endl;
1377                                 }
1378                                 image->drop(); 
1379                         }                        
1380                 }
1381
1382                 // Item selection with mouse wheel
1383                 {
1384                         s32 wheel = input->getMouseWheel();
1385                         u16 max_item = MYMIN(PLAYER_INVENTORY_SIZE-1,
1386                                         hotbar_itemcount-1);
1387
1388                         if(wheel < 0)
1389                         {
1390                                 if(g_selected_item < max_item)
1391                                         g_selected_item++;
1392                                 else
1393                                         g_selected_item = 0;
1394                         }
1395                         else if(wheel > 0)
1396                         {
1397                                 if(g_selected_item > 0)
1398                                         g_selected_item--;
1399                                 else
1400                                         g_selected_item = max_item;
1401                         }
1402                 }
1403                 
1404                 // Item selection
1405                 for(u16 i=0; i<10; i++)
1406                 {
1407                         const KeyPress *kp = NumberKey + (i + 1) % 10;
1408                         if(input->wasKeyDown(*kp))
1409                         {
1410                                 if(i < PLAYER_INVENTORY_SIZE && i < hotbar_itemcount)
1411                                 {
1412                                         g_selected_item = i;
1413
1414                                         dstream<<DTIME<<"Selected item: "
1415                                                         <<g_selected_item<<std::endl;
1416                                 }
1417                         }
1418                 }
1419
1420                 // Viewing range selection
1421                 if(input->wasKeyDown(getKeySetting("keymap_rangeselect")))
1422                 {
1423                         if(draw_control.range_all)
1424                         {
1425                                 draw_control.range_all = false;
1426                                 dstream<<DTIME<<"Disabled full viewing range"<<std::endl;
1427                         }
1428                         else
1429                         {
1430                                 draw_control.range_all = true;
1431                                 dstream<<DTIME<<"Enabled full viewing range"<<std::endl;
1432                         }
1433                 }
1434
1435                 // Print debug stacks
1436                 if(input->wasKeyDown(getKeySetting("keymap_print_debug_stacks")))
1437                 {
1438                         dstream<<"-----------------------------------------"
1439                                         <<std::endl;
1440                         dstream<<DTIME<<"Printing debug stacks:"<<std::endl;
1441                         dstream<<"-----------------------------------------"
1442                                         <<std::endl;
1443                         debug_stacks_print();
1444                 }
1445
1446                 /*
1447                         Player speed control
1448                         TODO: Cache the keycodes from getKeySetting
1449                 */
1450                 
1451                 {
1452                         /*bool a_up,
1453                         bool a_down,
1454                         bool a_left,
1455                         bool a_right,
1456                         bool a_jump,
1457                         bool a_superspeed,
1458                         bool a_sneak,
1459                         float a_pitch,
1460                         float a_yaw*/
1461                         PlayerControl control(
1462                                 input->isKeyDown(getKeySetting("keymap_forward")),
1463                                 input->isKeyDown(getKeySetting("keymap_backward")),
1464                                 input->isKeyDown(getKeySetting("keymap_left")),
1465                                 input->isKeyDown(getKeySetting("keymap_right")),
1466                                 input->isKeyDown(getKeySetting("keymap_jump")),
1467                                 input->isKeyDown(getKeySetting("keymap_special1")),
1468                                 input->isKeyDown(getKeySetting("keymap_sneak")),
1469                                 camera_pitch,
1470                                 camera_yaw
1471                         );
1472                         client.setPlayerControl(control);
1473                 }
1474                 
1475                 /*
1476                         Run server
1477                 */
1478
1479                 if(server != NULL)
1480                 {
1481                         //TimeTaker timer("server->step(dtime)");
1482                         server->step(dtime);
1483                 }
1484
1485                 /*
1486                         Process environment
1487                 */
1488                 
1489                 {
1490                         //TimeTaker timer("client.step(dtime)");
1491                         client.step(dtime);
1492                         //client.step(dtime_avg1);
1493                 }
1494
1495                 // Read client events
1496                 for(;;)
1497                 {
1498                         ClientEvent event = client.getClientEvent();
1499                         if(event.type == CE_NONE)
1500                         {
1501                                 break;
1502                         }
1503                         else if(event.type == CE_PLAYER_DAMAGE)
1504                         {
1505                                 //u16 damage = event.player_damage.amount;
1506                                 //dstream<<"Player damage: "<<damage<<std::endl;
1507                                 damage_flash_timer = 0.05;
1508                         }
1509                         else if(event.type == CE_PLAYER_FORCE_MOVE)
1510                         {
1511                                 camera_yaw = event.player_force_move.yaw;
1512                                 camera_pitch = event.player_force_move.pitch;
1513                         }
1514                 }
1515                 
1516                 // Get player position
1517                 v3f camera_position;
1518                 v3f player_position = client.getPlayerPosition(&camera_position);
1519
1520                 //TimeTaker //timer2("//timer2");
1521
1522                 /*
1523                         Mouse and camera control
1524                 */
1525                 
1526                 if((device->isWindowActive() && noMenuActive()) || random_input)
1527                 {
1528                         if(!random_input)
1529                         {
1530                                 // Mac OSX gets upset if this is set every frame
1531                                 if(device->getCursorControl()->isVisible())
1532                                         device->getCursorControl()->setVisible(false);
1533                         }
1534
1535                         if(first_loop_after_window_activation){
1536                                 //std::cout<<"window active, first loop"<<std::endl;
1537                                 first_loop_after_window_activation = false;
1538                         }
1539                         else{
1540                                 s32 dx = input->getMousePos().X - displaycenter.X;
1541                                 s32 dy = input->getMousePos().Y - displaycenter.Y;
1542                                 if(invert_mouse)
1543                                         dy = -dy;
1544                                 //std::cout<<"window active, pos difference "<<dx<<","<<dy<<std::endl;
1545                                 
1546                                 /*const float keyspeed = 500;
1547                                 if(input->isKeyDown(irr::KEY_UP))
1548                                         dy -= dtime * keyspeed;
1549                                 if(input->isKeyDown(irr::KEY_DOWN))
1550                                         dy += dtime * keyspeed;
1551                                 if(input->isKeyDown(irr::KEY_LEFT))
1552                                         dx -= dtime * keyspeed;
1553                                 if(input->isKeyDown(irr::KEY_RIGHT))
1554                                         dx += dtime * keyspeed;*/
1555
1556                                 camera_yaw -= dx*0.2;
1557                                 camera_pitch += dy*0.2;
1558                                 if(camera_pitch < -89.5) camera_pitch = -89.5;
1559                                 if(camera_pitch > 89.5) camera_pitch = 89.5;
1560                         }
1561                         input->setMousePos(displaycenter.X, displaycenter.Y);
1562                 }
1563                 else{
1564                         // Mac OSX gets upset if this is set every frame
1565                         if(device->getCursorControl()->isVisible() == false)
1566                                 device->getCursorControl()->setVisible(true);
1567
1568                         //std::cout<<"window inactive"<<std::endl;
1569                         first_loop_after_window_activation = true;
1570                 }
1571
1572                 camera_yaw = wrapDegrees(camera_yaw);
1573                 camera_pitch = wrapDegrees(camera_pitch);
1574                 
1575                 v3f camera_direction = v3f(0,0,1);
1576                 camera_direction.rotateYZBy(camera_pitch);
1577                 camera_direction.rotateXZBy(camera_yaw);
1578
1579                 camera->setPosition(camera_position);
1580                 // *100.0 helps in large map coordinates
1581                 camera->setTarget(camera_position + camera_direction * 100.0);
1582
1583                 if(FIELD_OF_VIEW_TEST){
1584                         client.updateCamera(v3f(0,0,0), v3f(0,0,1));
1585                 }
1586                 else{
1587                         //TimeTaker timer("client.updateCamera");
1588                         client.updateCamera(camera_position, camera_direction);
1589                 }
1590                 
1591                 //timer2.stop();
1592                 //TimeTaker //timer3("//timer3");
1593
1594                 /*
1595                         Calculate what block is the crosshair pointing to
1596                 */
1597                 
1598                 //u32 t1 = device->getTimer()->getRealTime();
1599                 
1600                 //f32 d = 4; // max. distance
1601                 f32 d = 4; // max. distance
1602                 core::line3d<f32> shootline(camera_position,
1603                                 camera_position + camera_direction * BS * (d+1));
1604
1605                 MapBlockObject *selected_object = client.getSelectedObject
1606                                 (d*BS, camera_position, shootline);
1607
1608                 ClientActiveObject *selected_active_object
1609                                 = client.getSelectedActiveObject
1610                                         (d*BS, camera_position, shootline);
1611
1612                 if(selected_object != NULL)
1613                 {
1614                         //dstream<<"Client returned selected_object != NULL"<<std::endl;
1615
1616                         core::aabbox3d<f32> box_on_map
1617                                         = selected_object->getSelectionBoxOnMap();
1618
1619                         hilightboxes.push_back(box_on_map);
1620
1621                         infotext = narrow_to_wide(selected_object->infoText());
1622
1623                         if(input->getLeftClicked())
1624                         {
1625                                 std::cout<<DTIME<<"Left-clicked object"<<std::endl;
1626                                 client.clickObject(0, selected_object->getBlock()->getPos(),
1627                                                 selected_object->getId(), g_selected_item);
1628                         }
1629                         else if(input->getRightClicked())
1630                         {
1631                                 std::cout<<DTIME<<"Right-clicked object"<<std::endl;
1632                                 /*
1633                                         Check if we want to modify the object ourselves
1634                                 */
1635                                 if(selected_object->getTypeId() == MAPBLOCKOBJECT_TYPE_SIGN)
1636                                 {
1637                                         dstream<<"Sign object right-clicked"<<std::endl;
1638                                         
1639                                         if(random_input == false)
1640                                         {
1641                                                 // Get a new text for it
1642
1643                                                 TextDest *dest = new TextDestSign(
1644                                                                 selected_object->getBlock()->getPos(),
1645                                                                 selected_object->getId(),
1646                                                                 &client);
1647
1648                                                 SignObject *sign_object = (SignObject*)selected_object;
1649
1650                                                 std::wstring wtext =
1651                                                                 narrow_to_wide(sign_object->getText());
1652
1653                                                 (new GUITextInputMenu(guienv, guiroot, -1,
1654                                                                 &g_menumgr, dest,
1655                                                                 wtext))->drop();
1656                                         }
1657                                 }
1658                                 /*
1659                                         Otherwise pass the event to the server as-is
1660                                 */
1661                                 else
1662                                 {
1663                                         client.clickObject(1, selected_object->getBlock()->getPos(),
1664                                                         selected_object->getId(), g_selected_item);
1665                                 }
1666                         }
1667                 }
1668                 else if(selected_active_object != NULL)
1669                 {
1670                         //dstream<<"Client returned selected_active_object != NULL"<<std::endl;
1671                         
1672                         core::aabbox3d<f32> *selection_box
1673                                         = selected_active_object->getSelectionBox();
1674                         // Box should exist because object was returned in the
1675                         // first place
1676                         assert(selection_box);
1677
1678                         v3f pos = selected_active_object->getPosition();
1679
1680                         core::aabbox3d<f32> box_on_map(
1681                                         selection_box->MinEdge + pos,
1682                                         selection_box->MaxEdge + pos
1683                         );
1684
1685                         hilightboxes.push_back(box_on_map);
1686
1687                         //infotext = narrow_to_wide("A ClientActiveObject");
1688                         infotext = narrow_to_wide(selected_active_object->infoText());
1689
1690                         if(input->getLeftClicked())
1691                         {
1692                                 std::cout<<DTIME<<"Left-clicked object"<<std::endl;
1693                                 client.clickActiveObject(0,
1694                                                 selected_active_object->getId(), g_selected_item);
1695                         }
1696                         else if(input->getRightClicked())
1697                         {
1698                                 std::cout<<DTIME<<"Right-clicked object"<<std::endl;
1699                                 client.clickActiveObject(1,
1700                                                 selected_active_object->getId(), g_selected_item);
1701                         }
1702                 }
1703                 else // selected_object == NULL
1704                 {
1705
1706                 /*
1707                         Find out which node we are pointing at
1708                 */
1709                 
1710                 bool nodefound = false;
1711                 v3s16 nodepos;
1712                 v3s16 neighbourpos;
1713                 core::aabbox3d<f32> nodehilightbox;
1714
1715                 getPointedNode(&client, player_position,
1716                                 camera_direction, camera_position,
1717                                 nodefound, shootline,
1718                                 nodepos, neighbourpos,
1719                                 nodehilightbox, d);
1720         
1721                 static float nodig_delay_counter = 0.0;
1722
1723                 if(nodefound)
1724                 {
1725                         static v3s16 nodepos_old(-32768,-32768,-32768);
1726
1727                         static float dig_time = 0.0;
1728                         static u16 dig_index = 0;
1729                         
1730                         /*
1731                                 Visualize selection
1732                         */
1733
1734                         hilightboxes.push_back(nodehilightbox);
1735
1736                         /*
1737                                 Check information text of node
1738                         */
1739
1740                         NodeMetadata *meta = client.getNodeMetadata(nodepos);
1741                         if(meta)
1742                         {
1743                                 infotext = narrow_to_wide(meta->infoText());
1744                         }
1745                         
1746                         //MapNode node = client.getNode(nodepos);
1747
1748                         /*
1749                                 Handle digging
1750                         */
1751                         
1752                         if(input->getLeftReleased())
1753                         {
1754                                 client.clearTempMod(nodepos);
1755                                 dig_time = 0.0;
1756                         }
1757                         
1758                         if(nodig_delay_counter > 0.0)
1759                         {
1760                                 nodig_delay_counter -= dtime;
1761                         }
1762                         else
1763                         {
1764                                 if(nodepos != nodepos_old)
1765                                 {
1766                                         std::cout<<DTIME<<"Pointing at ("<<nodepos.X<<","
1767                                                         <<nodepos.Y<<","<<nodepos.Z<<")"<<std::endl;
1768
1769                                         if(nodepos_old != v3s16(-32768,-32768,-32768))
1770                                         {
1771                                                 client.clearTempMod(nodepos_old);
1772                                                 dig_time = 0.0;
1773                                         }
1774                                 }
1775
1776                                 if(input->getLeftClicked() ||
1777                                                 (input->getLeftState() && nodepos != nodepos_old))
1778                                 {
1779                                         dstream<<DTIME<<"Started digging"<<std::endl;
1780                                         client.groundAction(0, nodepos, neighbourpos, g_selected_item);
1781                                 }
1782                                 if(input->getLeftClicked())
1783                                 {
1784                                         client.setTempMod(nodepos, NodeMod(NODEMOD_CRACK, 0));
1785                                 }
1786                                 if(input->getLeftState())
1787                                 {
1788                                         MapNode n = client.getNode(nodepos);
1789                                 
1790                                         // Get tool name. Default is "" = bare hands
1791                                         std::string toolname = "";
1792                                         InventoryList *mlist = local_inventory.getList("main");
1793                                         if(mlist != NULL)
1794                                         {
1795                                                 InventoryItem *item = mlist->getItem(g_selected_item);
1796                                                 if(item && (std::string)item->getName() == "ToolItem")
1797                                                 {
1798                                                         ToolItem *titem = (ToolItem*)item;
1799                                                         toolname = titem->getToolName();
1800                                                 }
1801                                         }
1802
1803                                         // Get digging properties for material and tool
1804                                         content_t material = n.getContent();
1805                                         DiggingProperties prop =
1806                                                         getDiggingProperties(material, toolname);
1807                                         
1808                                         float dig_time_complete = 0.0;
1809
1810                                         if(prop.diggable == false)
1811                                         {
1812                                                 /*dstream<<"Material "<<(int)material
1813                                                                 <<" not diggable with \""
1814                                                                 <<toolname<<"\""<<std::endl;*/
1815                                                 // I guess nobody will wait for this long
1816                                                 dig_time_complete = 10000000.0;
1817                                         }
1818                                         else
1819                                         {
1820                                                 dig_time_complete = prop.time;
1821                                         }
1822                                         
1823                                         if(dig_time_complete >= 0.001)
1824                                         {
1825                                                 dig_index = (u16)((float)CRACK_ANIMATION_LENGTH
1826                                                                 * dig_time/dig_time_complete);
1827                                         }
1828                                         // This is for torches
1829                                         else
1830                                         {
1831                                                 dig_index = CRACK_ANIMATION_LENGTH;
1832                                         }
1833
1834                                         if(dig_index < CRACK_ANIMATION_LENGTH)
1835                                         {
1836                                                 //TimeTaker timer("client.setTempMod");
1837                                                 //dstream<<"dig_index="<<dig_index<<std::endl;
1838                                                 client.setTempMod(nodepos, NodeMod(NODEMOD_CRACK, dig_index));
1839                                         }
1840                                         else
1841                                         {
1842                                                 dstream<<DTIME<<"Digging completed"<<std::endl;
1843                                                 client.groundAction(3, nodepos, neighbourpos, g_selected_item);
1844                                                 client.clearTempMod(nodepos);
1845                                                 client.removeNode(nodepos);
1846
1847                                                 dig_time = 0;
1848
1849                                                 nodig_delay_counter = dig_time_complete
1850                                                                 / (float)CRACK_ANIMATION_LENGTH;
1851
1852                                                 // We don't want a corresponding delay to
1853                                                 // very time consuming nodes
1854                                                 if(nodig_delay_counter > 0.5)
1855                                                 {
1856                                                         nodig_delay_counter = 0.5;
1857                                                 }
1858                                                 // We want a slight delay to very little
1859                                                 // time consuming nodes
1860                                                 float mindelay = 0.15;
1861                                                 if(nodig_delay_counter < mindelay)
1862                                                 {
1863                                                         nodig_delay_counter = mindelay;
1864                                                 }
1865                                         }
1866
1867                                         dig_time += dtime;
1868                                 }
1869                         }
1870                         
1871                         if(input->getRightClicked())
1872                         {
1873                                 std::cout<<DTIME<<"Ground right-clicked"<<std::endl;
1874                                 
1875                                 // If metadata provides an inventory view, activate it
1876                                 if(meta && meta->getInventoryDrawSpecString() != "" && !random_input)
1877                                 {
1878                                         dstream<<DTIME<<"Launching custom inventory view"<<std::endl;
1879                                         /*
1880                                                 Construct the unique identification string of the node
1881                                         */
1882                                         std::string current_name;
1883                                         current_name += "nodemeta:";
1884                                         current_name += itos(nodepos.X);
1885                                         current_name += ",";
1886                                         current_name += itos(nodepos.Y);
1887                                         current_name += ",";
1888                                         current_name += itos(nodepos.Z);
1889                                         
1890                                         /*
1891                                                 Create menu
1892                                         */
1893
1894                                         core::array<GUIInventoryMenu::DrawSpec> draw_spec;
1895                                         v2s16 invsize =
1896                                                 GUIInventoryMenu::makeDrawSpecArrayFromString(
1897                                                         draw_spec,
1898                                                         meta->getInventoryDrawSpecString(),
1899                                                         current_name);
1900
1901                                         GUIInventoryMenu *menu =
1902                                                 new GUIInventoryMenu(guienv, guiroot, -1,
1903                                                         &g_menumgr, invsize,
1904                                                         client.getInventoryContext(),
1905                                                         &client);
1906                                         menu->setDrawSpec(draw_spec);
1907                                         menu->drop();
1908                                 }
1909                                 else if(meta && meta->typeId() == CONTENT_SIGN_WALL && !random_input)
1910                                 {
1911                                         dstream<<"Sign node right-clicked"<<std::endl;
1912                                         
1913                                         SignNodeMetadata *signmeta = (SignNodeMetadata*)meta;
1914                                         
1915                                         // Get a new text for it
1916
1917                                         TextDest *dest = new TextDestSignNode(nodepos, &client);
1918
1919                                         std::wstring wtext =
1920                                                         narrow_to_wide(signmeta->getText());
1921
1922                                         (new GUITextInputMenu(guienv, guiroot, -1,
1923                                                         &g_menumgr, dest,
1924                                                         wtext))->drop();
1925                                 }
1926                                 else
1927                                 {
1928                                         client.groundAction(1, nodepos, neighbourpos, g_selected_item);
1929                                 }
1930                         }
1931                         
1932                         nodepos_old = nodepos;
1933                 }
1934                 else{
1935                 }
1936
1937                 } // selected_object == NULL
1938                 
1939                 input->resetLeftClicked();
1940                 input->resetRightClicked();
1941                 
1942                 if(input->getLeftReleased())
1943                 {
1944                         std::cout<<DTIME<<"Left button released (stopped digging)"
1945                                         <<std::endl;
1946                         client.groundAction(2, v3s16(0,0,0), v3s16(0,0,0), 0);
1947                 }
1948                 if(input->getRightReleased())
1949                 {
1950                         //std::cout<<DTIME<<"Right released"<<std::endl;
1951                         // Nothing here
1952                 }
1953                 
1954                 input->resetLeftReleased();
1955                 input->resetRightReleased();
1956                 
1957                 /*
1958                         Calculate stuff for drawing
1959                 */
1960
1961                 camera->setAspectRatio((f32)screensize.X / (f32)screensize.Y);
1962                 
1963                 u32 daynight_ratio = client.getDayNightRatio();
1964                 u8 l = decode_light((daynight_ratio * LIGHT_SUN) / 1000);
1965                 video::SColor bgcolor = video::SColor(
1966                                 255,
1967                                 bgcolor_bright.getRed() * l / 255,
1968                                 bgcolor_bright.getGreen() * l / 255,
1969                                 bgcolor_bright.getBlue() * l / 255);
1970                                 /*skycolor.getRed() * l / 255,
1971                                 skycolor.getGreen() * l / 255,
1972                                 skycolor.getBlue() * l / 255);*/
1973
1974                 float brightness = (float)l/255.0;
1975
1976                 /*
1977                         Update skybox
1978                 */
1979                 if(fabs(brightness - old_brightness) > 0.01)
1980                         update_skybox(driver, smgr, skybox, brightness);
1981
1982                 /*
1983                         Update coulds
1984                 */
1985                 if(clouds)
1986                 {
1987                         clouds->step(dtime);
1988                         clouds->update(v2f(player_position.X, player_position.Z),
1989                                         0.05+brightness*0.95);
1990                 }
1991                 
1992                 /*
1993                         Update farmesh
1994                 */
1995                 if(farmesh)
1996                 {
1997                         farmesh_range = draw_control.wanted_range * 10;
1998                         if(draw_control.range_all && farmesh_range < 500)
1999                                 farmesh_range = 500;
2000                         if(farmesh_range > 1000)
2001                                 farmesh_range = 1000;
2002
2003                         farmesh->step(dtime);
2004                         farmesh->update(v2f(player_position.X, player_position.Z),
2005                                         0.05+brightness*0.95, farmesh_range);
2006                 }
2007                 
2008                 // Store brightness value
2009                 old_brightness = brightness;
2010
2011                 /*
2012                         Fog
2013                 */
2014                 
2015                 if(g_settings.getBool("enable_fog") == true)
2016                 {
2017                         f32 range;
2018                         if(farmesh)
2019                         {
2020                                 range = BS*farmesh_range;
2021                         }
2022                         else
2023                         {
2024                                 range = draw_control.wanted_range*BS + MAP_BLOCKSIZE*BS*1.5;
2025                                 if(draw_control.range_all)
2026                                         range = 100000*BS;
2027                                 if(range < 50*BS)
2028                                         range = range * 0.5 + 25*BS;
2029                         }
2030
2031                         driver->setFog(
2032                                 bgcolor,
2033                                 video::EFT_FOG_LINEAR,
2034                                 range*0.4,
2035                                 range*1.0,
2036                                 0.01,
2037                                 false, // pixel fog
2038                                 false // range fog
2039                         );
2040                 }
2041                 else
2042                 {
2043                         driver->setFog(
2044                                 bgcolor,
2045                                 video::EFT_FOG_LINEAR,
2046                                 100000*BS,
2047                                 110000*BS,
2048                                 0.01,
2049                                 false, // pixel fog
2050                                 false // range fog
2051                         );
2052                 }
2053
2054
2055                 /*
2056                         Update gui stuff (0ms)
2057                 */
2058
2059                 //TimeTaker guiupdatetimer("Gui updating");
2060                 
2061                 {
2062                         static float drawtime_avg = 0;
2063                         drawtime_avg = drawtime_avg * 0.95 + (float)drawtime*0.05;
2064                         static float beginscenetime_avg = 0;
2065                         beginscenetime_avg = beginscenetime_avg * 0.95 + (float)beginscenetime*0.05;
2066                         static float scenetime_avg = 0;
2067                         scenetime_avg = scenetime_avg * 0.95 + (float)scenetime*0.05;
2068                         static float endscenetime_avg = 0;
2069                         endscenetime_avg = endscenetime_avg * 0.95 + (float)endscenetime*0.05;
2070                         
2071                         char temptext[300];
2072                         snprintf(temptext, 300, "Minetest-c55 %s ("
2073                                         "R: range_all=%i"
2074                                         ")"
2075                                         " drawtime=%.0f, beginscenetime=%.0f"
2076                                         ", scenetime=%.0f, endscenetime=%.0f",
2077                                         VERSION_STRING,
2078                                         draw_control.range_all,
2079                                         drawtime_avg,
2080                                         beginscenetime_avg,
2081                                         scenetime_avg,
2082                                         endscenetime_avg
2083                                         );
2084                         
2085                         guitext->setText(narrow_to_wide(temptext).c_str());
2086                 }
2087                 
2088                 {
2089                         char temptext[300];
2090                         snprintf(temptext, 300,
2091                                         "(% .1f, % .1f, % .1f)"
2092                                         " (% .3f < btime_jitter < % .3f"
2093                                         ", dtime_jitter = % .1f %%"
2094                                         ", v_range = %.1f)",
2095                                         player_position.X/BS,
2096                                         player_position.Y/BS,
2097                                         player_position.Z/BS,
2098                                         busytime_jitter1_min_sample,
2099                                         busytime_jitter1_max_sample,
2100                                         dtime_jitter1_max_fraction * 100.0,
2101                                         draw_control.wanted_range
2102                                         );
2103
2104                         guitext2->setText(narrow_to_wide(temptext).c_str());
2105                 }
2106                 
2107                 {
2108                         guitext_info->setText(infotext.c_str());
2109                 }
2110                 
2111                 /*
2112                         Get chat messages from client
2113                 */
2114                 {
2115                         // Get new messages
2116                         std::wstring message;
2117                         while(client.getChatMessage(message))
2118                         {
2119                                 chat_lines.push_back(ChatLine(message));
2120                                 /*if(chat_lines.size() > 6)
2121                                 {
2122                                         core::list<ChatLine>::Iterator
2123                                                         i = chat_lines.begin();
2124                                         chat_lines.erase(i);
2125                                 }*/
2126                         }
2127                         // Append them to form the whole static text and throw
2128                         // it to the gui element
2129                         std::wstring whole;
2130                         // This will correspond to the line number counted from
2131                         // top to bottom, from size-1 to 0
2132                         s16 line_number = chat_lines.size();
2133                         // Count of messages to be removed from the top
2134                         u16 to_be_removed_count = 0;
2135                         for(core::list<ChatLine>::Iterator
2136                                         i = chat_lines.begin();
2137                                         i != chat_lines.end(); i++)
2138                         {
2139                                 // After this, line number is valid for this loop
2140                                 line_number--;
2141                                 // Increment age
2142                                 (*i).age += dtime;
2143                                 /*
2144                                         This results in a maximum age of 60*6 to the
2145                                         lowermost line and a maximum of 6 lines
2146                                 */
2147                                 float allowed_age = (6-line_number) * 60.0;
2148
2149                                 if((*i).age > allowed_age)
2150                                 {
2151                                         to_be_removed_count++;
2152                                         continue;
2153                                 }
2154                                 whole += (*i).text + L'\n';
2155                         }
2156                         for(u16 i=0; i<to_be_removed_count; i++)
2157                         {
2158                                 core::list<ChatLine>::Iterator
2159                                                 it = chat_lines.begin();
2160                                 chat_lines.erase(it);
2161                         }
2162                         guitext_chat->setText(whole.c_str());
2163
2164                         // Update gui element size and position
2165
2166                         /*core::rect<s32> rect(
2167                                         10,
2168                                         screensize.Y - guitext_chat_pad_bottom
2169                                                         - text_height*chat_lines.size(),
2170                                         screensize.X - 10,
2171                                         screensize.Y - guitext_chat_pad_bottom
2172                         );*/
2173                         core::rect<s32> rect(
2174                                         10,
2175                                         50,
2176                                         screensize.X - 10,
2177                                         50 + guitext_chat->getTextHeight()
2178                         );
2179
2180                         guitext_chat->setRelativePosition(rect);
2181
2182                         if(chat_lines.size() == 0)
2183                                 guitext_chat->setVisible(false);
2184                         else
2185                                 guitext_chat->setVisible(true);
2186                 }
2187
2188                 /*
2189                         Inventory
2190                 */
2191                 
2192                 static u16 old_selected_item = 65535;
2193                 if(client.getLocalInventoryUpdated()
2194                                 || g_selected_item != old_selected_item)
2195                 {
2196                         client.selectPlayerItem(g_selected_item);
2197                         old_selected_item = g_selected_item;
2198                         //std::cout<<"Updating local inventory"<<std::endl;
2199                         client.getLocalInventory(local_inventory);
2200                 }
2201                 
2202                 /*
2203                         Send actions returned by the inventory menu
2204                 */
2205                 while(inventory_action_queue.size() != 0)
2206                 {
2207                         InventoryAction *a = inventory_action_queue.pop_front();
2208
2209                         client.sendInventoryAction(a);
2210                         // Eat it
2211                         delete a;
2212                 }
2213
2214                 /*
2215                         Drawing begins
2216                 */
2217
2218                 TimeTaker drawtimer("Drawing");
2219
2220                 
2221                 {
2222                         TimeTaker timer("beginScene");
2223                         driver->beginScene(true, true, bgcolor);
2224                         //driver->beginScene(false, true, bgcolor);
2225                         beginscenetime = timer.stop(true);
2226                 }
2227                 
2228                 //timer3.stop();
2229                 
2230                 //std::cout<<DTIME<<"smgr->drawAll()"<<std::endl;
2231                 
2232                 {
2233                         TimeTaker timer("smgr");
2234                         smgr->drawAll();
2235                         scenetime = timer.stop(true);
2236                 }
2237                 
2238                 {
2239                 //TimeTaker timer9("auxiliary drawings");
2240                 // 0ms
2241                 
2242                 //timer9.stop();
2243                 //TimeTaker //timer10("//timer10");
2244                 
2245                 video::SMaterial m;
2246                 //m.Thickness = 10;
2247                 m.Thickness = 3;
2248                 m.Lighting = false;
2249                 driver->setMaterial(m);
2250
2251                 driver->setTransform(video::ETS_WORLD, core::IdentityMatrix);
2252
2253                 for(core::list< core::aabbox3d<f32> >::Iterator i=hilightboxes.begin();
2254                                 i != hilightboxes.end(); i++)
2255                 {
2256                         /*std::cout<<"hilightbox min="
2257                                         <<"("<<i->MinEdge.X<<","<<i->MinEdge.Y<<","<<i->MinEdge.Z<<")"
2258                                         <<" max="
2259                                         <<"("<<i->MaxEdge.X<<","<<i->MaxEdge.Y<<","<<i->MaxEdge.Z<<")"
2260                                         <<std::endl;*/
2261                         driver->draw3DBox(*i, video::SColor(255,0,0,0));
2262                 }
2263
2264                 /*
2265                         Frametime log
2266                 */
2267                 if(g_settings.getBool("frametime_graph") == true)
2268                 {
2269                         s32 x = 10;
2270                         for(core::list<float>::Iterator
2271                                         i = frametime_log.begin();
2272                                         i != frametime_log.end();
2273                                         i++)
2274                         {
2275                                 driver->draw2DLine(v2s32(x,50),
2276                                                 v2s32(x,50+(*i)*1000),
2277                                                 video::SColor(255,255,255,255));
2278                                 x++;
2279                         }
2280                 }
2281
2282                 /*
2283                         Draw crosshair
2284                 */
2285                 driver->draw2DLine(displaycenter - core::vector2d<s32>(10,0),
2286                                 displaycenter + core::vector2d<s32>(10,0),
2287                                 video::SColor(255,255,255,255));
2288                 driver->draw2DLine(displaycenter - core::vector2d<s32>(0,10),
2289                                 displaycenter + core::vector2d<s32>(0,10),
2290                                 video::SColor(255,255,255,255));
2291
2292                 } // timer
2293
2294                 //timer10.stop();
2295                 //TimeTaker //timer11("//timer11");
2296
2297                 /*
2298                         Draw gui
2299                 */
2300                 // 0-1ms
2301                 guienv->drawAll();
2302
2303                 /*
2304                         Draw hotbar
2305                 */
2306                 {
2307                         draw_hotbar(driver, font, v2s32(displaycenter.X, screensize.Y),
2308                                         hotbar_imagesize, hotbar_itemcount, &local_inventory,
2309                                         client.getHP());
2310                 }
2311
2312                 /*
2313                         Damage flash
2314                 */
2315                 if(damage_flash_timer > 0.0)
2316                 {
2317                         damage_flash_timer -= dtime;
2318                         
2319                         video::SColor color(128,255,0,0);
2320                         driver->draw2DRectangle(color,
2321                                         core::rect<s32>(0,0,screensize.X,screensize.Y),
2322                                         NULL);
2323                 }
2324
2325                 /*
2326                         Environment post fx
2327                 */
2328                 {
2329                         client.getEnv()->drawPostFx(driver, camera_position);
2330                 }
2331                 
2332                 /*
2333                         End scene
2334                 */
2335                 {
2336                         TimeTaker timer("endScene");
2337                         endSceneX(driver);
2338                         endscenetime = timer.stop(true);
2339                 }
2340
2341                 drawtime = drawtimer.stop(true);
2342
2343                 /*
2344                         End of drawing
2345                 */
2346
2347                 static s16 lastFPS = 0;
2348                 //u16 fps = driver->getFPS();
2349                 u16 fps = (1.0/dtime_avg1);
2350
2351                 if (lastFPS != fps)
2352                 {
2353                         core::stringw str = L"Minetest [";
2354                         str += driver->getName();
2355                         str += "] FPS=";
2356                         str += fps;
2357
2358                         device->setWindowCaption(str.c_str());
2359                         lastFPS = fps;
2360                 }
2361         }
2362
2363         /*
2364                 Drop stuff
2365         */
2366         if(clouds)
2367                 clouds->drop();
2368         
2369         /*
2370                 Draw a "shutting down" screen, which will be shown while the map
2371                 generator and other stuff quits
2372         */
2373         {
2374                 /*gui::IGUIStaticText *gui_shuttingdowntext = */
2375                 draw_load_screen(L"Shutting down stuff...", driver, font);
2376                 /*driver->beginScene(true, true, video::SColor(255,0,0,0));
2377                 guienv->drawAll();
2378                 driver->endScene();
2379                 gui_shuttingdowntext->remove();*/
2380         }
2381 }
2382
2383