42863ff3749a5c067193a434d91505d9a4359e54
[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 Lesser General Public License as published by
7 the Free Software Foundation; either version 2.1 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 Lesser General Public License for more details.
14
15 You should have received a copy of the GNU Lesser 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 "game.h"
21 #include "irrlichttypes_extrabloated.h"
22 #include <IGUICheckBox.h>
23 #include <IGUIEditBox.h>
24 #include <IGUIButton.h>
25 #include <IGUIStaticText.h>
26 #include <IGUIFont.h>
27 #include <IMaterialRendererServices.h>
28 #include "client.h"
29 #include "server.h"
30 #include "guiPauseMenu.h"
31 #include "guiPasswordChange.h"
32 #include "guiFormSpecMenu.h"
33 #include "guiTextInputMenu.h"
34 #include "guiDeathScreen.h"
35 #include "tool.h"
36 #include "guiChatConsole.h"
37 #include "config.h"
38 #include "clouds.h"
39 #include "camera.h"
40 #include "farmesh.h"
41 #include "mapblock.h"
42 #include "settings.h"
43 #include "profiler.h"
44 #include "mainmenumanager.h"
45 #include "gettext.h"
46 #include "log.h"
47 #include "filesys.h"
48 // Needed for determining pointing to nodes
49 #include "nodedef.h"
50 #include "nodemetadata.h"
51 #include "main.h" // For g_settings
52 #include "itemdef.h"
53 #include "tile.h" // For TextureSource
54 #include "shader.h" // For ShaderSource
55 #include "logoutputbuffer.h"
56 #include "subgame.h"
57 #include "quicktune_shortcutter.h"
58 #include "clientmap.h"
59 #include "sky.h"
60 #include "sound.h"
61 #if USE_SOUND
62         #include "sound_openal.h"
63 #endif
64 #include "event_manager.h"
65 #include <list>
66 #include "util/directiontables.h"
67
68 /*
69         Text input system
70 */
71
72 struct TextDestChat : public TextDest
73 {
74         TextDestChat(Client *client)
75         {
76                 m_client = client;
77         }
78         void gotText(std::wstring text)
79         {
80                 m_client->typeChatMessage(text);
81         }
82         void gotText(std::map<std::string, std::string> fields)
83         {
84                 m_client->typeChatMessage(narrow_to_wide(fields["text"]));
85         }
86
87         Client *m_client;
88 };
89
90 struct TextDestNodeMetadata : public TextDest
91 {
92         TextDestNodeMetadata(v3s16 p, Client *client)
93         {
94                 m_p = p;
95                 m_client = client;
96         }
97         // This is deprecated I guess? -celeron55
98         void gotText(std::wstring text)
99         {
100                 std::string ntext = wide_to_narrow(text);
101                 infostream<<"Submitting 'text' field of node at ("<<m_p.X<<","
102                                 <<m_p.Y<<","<<m_p.Z<<"): "<<ntext<<std::endl;
103                 std::map<std::string, std::string> fields;
104                 fields["text"] = ntext;
105                 m_client->sendNodemetaFields(m_p, "", fields);
106         }
107         void gotText(std::map<std::string, std::string> fields)
108         {
109                 m_client->sendNodemetaFields(m_p, "", fields);
110         }
111
112         v3s16 m_p;
113         Client *m_client;
114 };
115
116 struct TextDestPlayerInventory : public TextDest
117 {
118         TextDestPlayerInventory(Client *client)
119         {
120                 m_client = client;
121         }
122         void gotText(std::map<std::string, std::string> fields)
123         {
124                 m_client->sendInventoryFields("", fields);
125         }
126
127         Client *m_client;
128 };
129
130 /* Respawn menu callback */
131
132 class MainRespawnInitiator: public IRespawnInitiator
133 {
134 public:
135         MainRespawnInitiator(bool *active, Client *client):
136                 m_active(active), m_client(client)
137         {
138                 *m_active = true;
139         }
140         void respawn()
141         {
142                 *m_active = false;
143                 m_client->sendRespawn();
144         }
145 private:
146         bool *m_active;
147         Client *m_client;
148 };
149
150 /* Form update callback */
151
152 class NodeMetadataFormSource: public IFormSource
153 {
154 public:
155         NodeMetadataFormSource(ClientMap *map, v3s16 p):
156                 m_map(map),
157                 m_p(p)
158         {
159         }
160         std::string getForm()
161         {
162                 NodeMetadata *meta = m_map->getNodeMetadata(m_p);
163                 if(!meta)
164                         return "";
165                 return meta->getString("formspec");
166         }
167         std::string resolveText(std::string str)
168         {
169                 NodeMetadata *meta = m_map->getNodeMetadata(m_p);
170                 if(!meta)
171                         return str;
172                 return meta->resolveString(str);
173         }
174
175         ClientMap *m_map;
176         v3s16 m_p;
177 };
178
179 class PlayerInventoryFormSource: public IFormSource
180 {
181 public:
182         PlayerInventoryFormSource(Client *client):
183                 m_client(client)
184         {
185         }
186         std::string getForm()
187         {
188                 LocalPlayer* player = m_client->getEnv().getLocalPlayer();
189                 return player->inventory_formspec;
190         }
191
192         Client *m_client;
193 };
194
195 class FormspecFormSource: public IFormSource
196 {
197 public:
198         FormspecFormSource(std::string formspec,FormspecFormSource** game_formspec)
199         {
200                 m_formspec = formspec;
201                 m_game_formspec = game_formspec;
202         }
203
204         ~FormspecFormSource()
205         {
206                 *m_game_formspec = 0;
207         }
208
209         void setForm(std::string formspec) {
210                 m_formspec = formspec;
211         }
212
213         std::string getForm()
214         {
215                 return m_formspec;
216         }
217
218         std::string m_formspec;
219         FormspecFormSource** m_game_formspec;
220 };
221 /*
222         Hotbar draw routine
223 */
224 void draw_hotbar(video::IVideoDriver *driver, gui::IGUIFont *font,
225                 IGameDef *gamedef,
226                 v2s32 centerlowerpos, s32 imgsize, s32 itemcount,
227                 Inventory *inventory, s32 halfheartcount, u16 playeritem)
228 {
229         InventoryList *mainlist = inventory->getList("main");
230         if(mainlist == NULL)
231         {
232                 errorstream<<"draw_hotbar(): mainlist == NULL"<<std::endl;
233                 return;
234         }
235         
236         s32 padding = imgsize/12;
237         //s32 height = imgsize + padding*2;
238         s32 width = itemcount*(imgsize+padding*2);
239         
240         // Position of upper left corner of bar
241         v2s32 pos = centerlowerpos - v2s32(width/2, imgsize+padding*2);
242         
243         // Draw background color
244         /*core::rect<s32> barrect(0,0,width,height);
245         barrect += pos;
246         video::SColor bgcolor(255,128,128,128);
247         driver->draw2DRectangle(bgcolor, barrect, NULL);*/
248
249         core::rect<s32> imgrect(0,0,imgsize,imgsize);
250
251         for(s32 i=0; i<itemcount; i++)
252         {
253                 const ItemStack &item = mainlist->getItem(i);
254                 
255                 core::rect<s32> rect = imgrect + pos
256                                 + v2s32(padding+i*(imgsize+padding*2), padding);
257                 
258                 if(playeritem == i)
259                 {
260                         video::SColor c_outside(255,255,0,0);
261                         //video::SColor c_outside(255,0,0,0);
262                         //video::SColor c_inside(255,192,192,192);
263                         s32 x1 = rect.UpperLeftCorner.X;
264                         s32 y1 = rect.UpperLeftCorner.Y;
265                         s32 x2 = rect.LowerRightCorner.X;
266                         s32 y2 = rect.LowerRightCorner.Y;
267                         // Black base borders
268                         driver->draw2DRectangle(c_outside,
269                                         core::rect<s32>(
270                                                 v2s32(x1 - padding, y1 - padding),
271                                                 v2s32(x2 + padding, y1)
272                                         ), NULL);
273                         driver->draw2DRectangle(c_outside,
274                                         core::rect<s32>(
275                                                 v2s32(x1 - padding, y2),
276                                                 v2s32(x2 + padding, y2 + padding)
277                                         ), NULL);
278                         driver->draw2DRectangle(c_outside,
279                                         core::rect<s32>(
280                                                 v2s32(x1 - padding, y1),
281                                                 v2s32(x1, y2)
282                                         ), NULL);
283                         driver->draw2DRectangle(c_outside,
284                                         core::rect<s32>(
285                                                 v2s32(x2, y1),
286                                                 v2s32(x2 + padding, y2)
287                                         ), NULL);
288                         /*// Light inside borders
289                         driver->draw2DRectangle(c_inside,
290                                         core::rect<s32>(
291                                                 v2s32(x1 - padding/2, y1 - padding/2),
292                                                 v2s32(x2 + padding/2, y1)
293                                         ), NULL);
294                         driver->draw2DRectangle(c_inside,
295                                         core::rect<s32>(
296                                                 v2s32(x1 - padding/2, y2),
297                                                 v2s32(x2 + padding/2, y2 + padding/2)
298                                         ), NULL);
299                         driver->draw2DRectangle(c_inside,
300                                         core::rect<s32>(
301                                                 v2s32(x1 - padding/2, y1),
302                                                 v2s32(x1, y2)
303                                         ), NULL);
304                         driver->draw2DRectangle(c_inside,
305                                         core::rect<s32>(
306                                                 v2s32(x2, y1),
307                                                 v2s32(x2 + padding/2, y2)
308                                         ), NULL);
309                         */
310                 }
311
312                 video::SColor bgcolor2(128,0,0,0);
313                 driver->draw2DRectangle(bgcolor2, rect, NULL);
314                 drawItemStack(driver, font, item, rect, NULL, gamedef);
315         }
316         
317         /*
318                 Draw hearts
319         */
320         video::ITexture *heart_texture =
321                 gamedef->getTextureSource()->getTextureRaw("heart.png");
322         if(heart_texture)
323         {
324                 v2s32 p = pos + v2s32(0, -20);
325                 for(s32 i=0; i<halfheartcount/2; i++)
326                 {
327                         const video::SColor color(255,255,255,255);
328                         const video::SColor colors[] = {color,color,color,color};
329                         core::rect<s32> rect(0,0,16,16);
330                         rect += p;
331                         driver->draw2DImage(heart_texture, rect,
332                                 core::rect<s32>(core::position2d<s32>(0,0),
333                                 core::dimension2di(heart_texture->getOriginalSize())),
334                                 NULL, colors, true);
335                         p += v2s32(16,0);
336                 }
337                 if(halfheartcount % 2 == 1)
338                 {
339                         const video::SColor color(255,255,255,255);
340                         const video::SColor colors[] = {color,color,color,color};
341                         core::rect<s32> rect(0,0,16/2,16);
342                         rect += p;
343                         core::dimension2di srcd(heart_texture->getOriginalSize());
344                         srcd.Width /= 2;
345                         driver->draw2DImage(heart_texture, rect,
346                                 core::rect<s32>(core::position2d<s32>(0,0), srcd),
347                                 NULL, colors, true);
348                         p += v2s32(16,0);
349                 }
350         }
351 }
352
353 /*
354         Check if a node is pointable
355 */
356 inline bool isPointableNode(const MapNode& n,
357                 Client *client, bool liquids_pointable)
358 {
359         const ContentFeatures &features = client->getNodeDefManager()->get(n);
360         return features.pointable ||
361                 (liquids_pointable && features.isLiquid());
362 }
363
364 /*
365         Find what the player is pointing at
366 */
367 PointedThing getPointedThing(Client *client, v3f player_position,
368                 v3f camera_direction, v3f camera_position,
369                 core::line3d<f32> shootline, f32 d,
370                 bool liquids_pointable,
371                 bool look_for_object,
372                 std::vector<aabb3f> &hilightboxes,
373                 ClientActiveObject *&selected_object)
374 {
375         PointedThing result;
376
377         hilightboxes.clear();
378         selected_object = NULL;
379
380         INodeDefManager *nodedef = client->getNodeDefManager();
381         ClientMap &map = client->getEnv().getClientMap();
382
383         // First try to find a pointed at active object
384         if(look_for_object)
385         {
386                 selected_object = client->getSelectedActiveObject(d*BS,
387                                 camera_position, shootline);
388
389                 if(selected_object != NULL)
390                 {
391                         if(selected_object->doShowSelectionBox())
392                         {
393                                 aabb3f *selection_box = selected_object->getSelectionBox();
394                                 // Box should exist because object was
395                                 // returned in the first place
396                                 assert(selection_box);
397
398                                 v3f pos = selected_object->getPosition();
399                                 hilightboxes.push_back(aabb3f(
400                                                 selection_box->MinEdge + pos,
401                                                 selection_box->MaxEdge + pos));
402                         }
403
404
405                         result.type = POINTEDTHING_OBJECT;
406                         result.object_id = selected_object->getId();
407                         return result;
408                 }
409         }
410
411         // That didn't work, try to find a pointed at node
412
413         f32 mindistance = BS * 1001;
414         
415         v3s16 pos_i = floatToInt(player_position, BS);
416
417         /*infostream<<"pos_i=("<<pos_i.X<<","<<pos_i.Y<<","<<pos_i.Z<<")"
418                         <<std::endl;*/
419
420         s16 a = d;
421         s16 ystart = pos_i.Y + 0 - (camera_direction.Y<0 ? a : 1);
422         s16 zstart = pos_i.Z - (camera_direction.Z<0 ? a : 1);
423         s16 xstart = pos_i.X - (camera_direction.X<0 ? a : 1);
424         s16 yend = pos_i.Y + 1 + (camera_direction.Y>0 ? a : 1);
425         s16 zend = pos_i.Z + (camera_direction.Z>0 ? a : 1);
426         s16 xend = pos_i.X + (camera_direction.X>0 ? a : 1);
427         
428         // Prevent signed number overflow
429         if(yend==32767)
430                 yend=32766;
431         if(zend==32767)
432                 zend=32766;
433         if(xend==32767)
434                 xend=32766;
435
436         for(s16 y = ystart; y <= yend; y++)
437         for(s16 z = zstart; z <= zend; z++)
438         for(s16 x = xstart; x <= xend; x++)
439         {
440                 MapNode n;
441                 try
442                 {
443                         n = map.getNode(v3s16(x,y,z));
444                 }
445                 catch(InvalidPositionException &e)
446                 {
447                         continue;
448                 }
449                 if(!isPointableNode(n, client, liquids_pointable))
450                         continue;
451
452                 std::vector<aabb3f> boxes = n.getSelectionBoxes(nodedef);
453
454                 v3s16 np(x,y,z);
455                 v3f npf = intToFloat(np, BS);
456
457                 for(std::vector<aabb3f>::const_iterator
458                                 i = boxes.begin();
459                                 i != boxes.end(); i++)
460                 {
461                         aabb3f box = *i;
462                         box.MinEdge += npf;
463                         box.MaxEdge += npf;
464
465                         for(u16 j=0; j<6; j++)
466                         {
467                                 v3s16 facedir = g_6dirs[j];
468                                 aabb3f facebox = box;
469
470                                 f32 d = 0.001*BS;
471                                 if(facedir.X > 0)
472                                         facebox.MinEdge.X = facebox.MaxEdge.X-d;
473                                 else if(facedir.X < 0)
474                                         facebox.MaxEdge.X = facebox.MinEdge.X+d;
475                                 else if(facedir.Y > 0)
476                                         facebox.MinEdge.Y = facebox.MaxEdge.Y-d;
477                                 else if(facedir.Y < 0)
478                                         facebox.MaxEdge.Y = facebox.MinEdge.Y+d;
479                                 else if(facedir.Z > 0)
480                                         facebox.MinEdge.Z = facebox.MaxEdge.Z-d;
481                                 else if(facedir.Z < 0)
482                                         facebox.MaxEdge.Z = facebox.MinEdge.Z+d;
483
484                                 v3f centerpoint = facebox.getCenter();
485                                 f32 distance = (centerpoint - camera_position).getLength();
486                                 if(distance >= mindistance)
487                                         continue;
488                                 if(!facebox.intersectsWithLine(shootline))
489                                         continue;
490
491                                 v3s16 np_above = np + facedir;
492
493                                 result.type = POINTEDTHING_NODE;
494                                 result.node_undersurface = np;
495                                 result.node_abovesurface = np_above;
496                                 mindistance = distance;
497
498                                 hilightboxes.clear();
499                                 for(std::vector<aabb3f>::const_iterator
500                                                 i2 = boxes.begin();
501                                                 i2 != boxes.end(); i2++)
502                                 {
503                                         aabb3f box = *i2;
504                                         box.MinEdge += npf + v3f(-d,-d,-d);
505                                         box.MaxEdge += npf + v3f(d,d,d);
506                                         hilightboxes.push_back(box);
507                                 }
508                         }
509                 }
510         } // for coords
511
512         return result;
513 }
514
515 /*
516         Draws a screen with a single text on it.
517         Text will be removed when the screen is drawn the next time.
518 */
519 /*gui::IGUIStaticText **/
520 void draw_load_screen(const std::wstring &text,
521                 video::IVideoDriver* driver, gui::IGUIFont* font)
522 {
523         v2u32 screensize = driver->getScreenSize();
524         const wchar_t *loadingtext = text.c_str();
525         core::vector2d<u32> textsize_u = font->getDimension(loadingtext);
526         core::vector2d<s32> textsize(textsize_u.X,textsize_u.Y);
527         core::vector2d<s32> center(screensize.X/2, screensize.Y/2);
528         core::rect<s32> textrect(center - textsize/2, center + textsize/2);
529
530         gui::IGUIStaticText *guitext = guienv->addStaticText(
531                         loadingtext, textrect, false, false);
532         guitext->setTextAlignment(gui::EGUIA_CENTER, gui::EGUIA_UPPERLEFT);
533
534         driver->beginScene(true, true, video::SColor(255,0,0,0));
535         guienv->drawAll();
536         driver->endScene();
537         
538         guitext->remove();
539         
540         //return guitext;
541 }
542
543 /* Profiler display */
544
545 void update_profiler_gui(gui::IGUIStaticText *guitext_profiler,
546                 gui::IGUIFont *font, u32 text_height,
547                 u32 show_profiler, u32 show_profiler_max)
548 {
549         if(show_profiler == 0)
550         {
551                 guitext_profiler->setVisible(false);
552         }
553         else
554         {
555
556                 std::ostringstream os(std::ios_base::binary);
557                 g_profiler->printPage(os, show_profiler, show_profiler_max);
558                 std::wstring text = narrow_to_wide(os.str());
559                 guitext_profiler->setText(text.c_str());
560                 guitext_profiler->setVisible(true);
561
562                 s32 w = font->getDimension(text.c_str()).Width;
563                 if(w < 400)
564                         w = 400;
565                 core::rect<s32> rect(6, 4+(text_height+5)*2, 12+w,
566                                 8+(text_height+5)*2 +
567                                 font->getDimension(text.c_str()).Height);
568                 guitext_profiler->setRelativePosition(rect);
569                 guitext_profiler->setVisible(true);
570         }
571 }
572
573 class ProfilerGraph
574 {
575 private:
576         struct Piece{
577                 Profiler::GraphValues values;
578         };
579         struct Meta{
580                 float min;
581                 float max;
582                 video::SColor color;
583                 Meta(float initial=0, video::SColor color=
584                                 video::SColor(255,255,255,255)):
585                         min(initial),
586                         max(initial),
587                         color(color)
588                 {}
589         };
590         std::list<Piece> m_log;
591 public:
592         u32 m_log_max_size;
593
594         ProfilerGraph():
595                 m_log_max_size(200)
596         {}
597
598         void put(const Profiler::GraphValues &values)
599         {
600                 Piece piece;
601                 piece.values = values;
602                 m_log.push_back(piece);
603                 while(m_log.size() > m_log_max_size)
604                         m_log.erase(m_log.begin());
605         }
606         
607         void draw(s32 x_left, s32 y_bottom, video::IVideoDriver *driver,
608                         gui::IGUIFont* font) const
609         {
610                 std::map<std::string, Meta> m_meta;
611                 for(std::list<Piece>::const_iterator k = m_log.begin();
612                                 k != m_log.end(); k++)
613                 {
614                         const Piece &piece = *k;
615                         for(Profiler::GraphValues::const_iterator i = piece.values.begin();
616                                         i != piece.values.end(); i++){
617                                 const std::string &id = i->first;
618                                 const float &value = i->second;
619                                 std::map<std::string, Meta>::iterator j =
620                                                 m_meta.find(id);
621                                 if(j == m_meta.end()){
622                                         m_meta[id] = Meta(value);
623                                         continue;
624                                 }
625                                 if(value < j->second.min)
626                                         j->second.min = value;
627                                 if(value > j->second.max)
628                                         j->second.max = value;
629                         }
630                 }
631
632                 // Assign colors
633                 static const video::SColor usable_colors[] = {
634                         video::SColor(255,255,100,100),
635                         video::SColor(255,90,225,90),
636                         video::SColor(255,100,100,255),
637                         video::SColor(255,255,150,50),
638                         video::SColor(255,220,220,100)
639                 };
640                 static const u32 usable_colors_count =
641                                 sizeof(usable_colors) / sizeof(*usable_colors);
642                 u32 next_color_i = 0;
643                 for(std::map<std::string, Meta>::iterator i = m_meta.begin();
644                                 i != m_meta.end(); i++){
645                         Meta &meta = i->second;
646                         video::SColor color(255,200,200,200);
647                         if(next_color_i < usable_colors_count)
648                                 color = usable_colors[next_color_i++];
649                         meta.color = color;
650                 }
651
652                 s32 graphh = 50;
653                 s32 textx = x_left + m_log_max_size + 15;
654                 s32 textx2 = textx + 200 - 15;
655                 
656                 // Draw background
657                 /*{
658                         u32 num_graphs = m_meta.size();
659                         core::rect<s32> rect(x_left, y_bottom - num_graphs*graphh,
660                                         textx2, y_bottom);
661                         video::SColor bgcolor(120,0,0,0);
662                         driver->draw2DRectangle(bgcolor, rect, NULL);
663                 }*/
664                 
665                 s32 meta_i = 0;
666                 for(std::map<std::string, Meta>::const_iterator i = m_meta.begin();
667                                 i != m_meta.end(); i++){
668                         const std::string &id = i->first;
669                         const Meta &meta = i->second;
670                         s32 x = x_left;
671                         s32 y = y_bottom - meta_i * 50;
672                         float show_min = meta.min;
673                         float show_max = meta.max;
674                         if(show_min >= -0.0001 && show_max >= -0.0001){
675                                 if(show_min <= show_max * 0.5)
676                                         show_min = 0;
677                         }
678                         s32 texth = 15;
679                         char buf[10];
680                         snprintf(buf, 10, "%.3g", show_max);
681                         font->draw(narrow_to_wide(buf).c_str(),
682                                         core::rect<s32>(textx, y - graphh,
683                                         textx2, y - graphh + texth),
684                                         meta.color);
685                         snprintf(buf, 10, "%.3g", show_min);
686                         font->draw(narrow_to_wide(buf).c_str(),
687                                         core::rect<s32>(textx, y - texth,
688                                         textx2, y),
689                                         meta.color);
690                         font->draw(narrow_to_wide(id).c_str(),
691                                         core::rect<s32>(textx, y - graphh/2 - texth/2,
692                                         textx2, y - graphh/2 + texth/2),
693                                         meta.color);
694                         s32 graph1y = y;
695                         s32 graph1h = graphh;
696                         bool relativegraph = (show_min != 0 && show_min != show_max);
697                         float lastscaledvalue = 0.0;
698                         bool lastscaledvalue_exists = false;
699                         for(std::list<Piece>::const_iterator j = m_log.begin();
700                                         j != m_log.end(); j++)
701                         {
702                                 const Piece &piece = *j;
703                                 float value = 0;
704                                 bool value_exists = false;
705                                 Profiler::GraphValues::const_iterator k =
706                                                 piece.values.find(id);
707                                 if(k != piece.values.end()){
708                                         value = k->second;
709                                         value_exists = true;
710                                 }
711                                 if(!value_exists){
712                                         x++;
713                                         lastscaledvalue_exists = false;
714                                         continue;
715                                 }
716                                 float scaledvalue = 1.0;
717                                 if(show_max != show_min)
718                                         scaledvalue = (value - show_min) / (show_max - show_min);
719                                 if(scaledvalue == 1.0 && value == 0){
720                                         x++;
721                                         lastscaledvalue_exists = false;
722                                         continue;
723                                 }
724                                 if(relativegraph){
725                                         if(lastscaledvalue_exists){
726                                                 s32 ivalue1 = lastscaledvalue * graph1h;
727                                                 s32 ivalue2 = scaledvalue * graph1h;
728                                                 driver->draw2DLine(v2s32(x-1, graph1y - ivalue1),
729                                                                 v2s32(x, graph1y - ivalue2), meta.color);
730                                         }
731                                         lastscaledvalue = scaledvalue;
732                                         lastscaledvalue_exists = true;
733                                 } else{
734                                         s32 ivalue = scaledvalue * graph1h;
735                                         driver->draw2DLine(v2s32(x, graph1y),
736                                                         v2s32(x, graph1y - ivalue), meta.color);
737                                 }
738                                 x++;
739                         }
740                         meta_i++;
741                 }
742         }
743 };
744
745 class NodeDugEvent: public MtEvent
746 {
747 public:
748         v3s16 p;
749         MapNode n;
750         
751         NodeDugEvent(v3s16 p, MapNode n):
752                 p(p),
753                 n(n)
754         {}
755         const char* getType() const
756         {return "NodeDug";}
757 };
758
759 class SoundMaker
760 {
761         ISoundManager *m_sound;
762         INodeDefManager *m_ndef;
763 public:
764         float m_player_step_timer;
765
766         SimpleSoundSpec m_player_step_sound;
767         SimpleSoundSpec m_player_leftpunch_sound;
768         SimpleSoundSpec m_player_rightpunch_sound;
769
770         SoundMaker(ISoundManager *sound, INodeDefManager *ndef):
771                 m_sound(sound),
772                 m_ndef(ndef),
773                 m_player_step_timer(0)
774         {
775         }
776
777         void playPlayerStep()
778         {
779                 if(m_player_step_timer <= 0 && m_player_step_sound.exists()){
780                         m_player_step_timer = 0.03;
781                         m_sound->playSound(m_player_step_sound, false);
782                 }
783         }
784
785         static void viewBobbingStep(MtEvent *e, void *data)
786         {
787                 SoundMaker *sm = (SoundMaker*)data;
788                 sm->playPlayerStep();
789         }
790
791         static void playerRegainGround(MtEvent *e, void *data)
792         {
793                 SoundMaker *sm = (SoundMaker*)data;
794                 sm->playPlayerStep();
795         }
796
797         static void playerJump(MtEvent *e, void *data)
798         {
799                 //SoundMaker *sm = (SoundMaker*)data;
800         }
801
802         static void cameraPunchLeft(MtEvent *e, void *data)
803         {
804                 SoundMaker *sm = (SoundMaker*)data;
805                 sm->m_sound->playSound(sm->m_player_leftpunch_sound, false);
806         }
807
808         static void cameraPunchRight(MtEvent *e, void *data)
809         {
810                 SoundMaker *sm = (SoundMaker*)data;
811                 sm->m_sound->playSound(sm->m_player_rightpunch_sound, false);
812         }
813
814         static void nodeDug(MtEvent *e, void *data)
815         {
816                 SoundMaker *sm = (SoundMaker*)data;
817                 NodeDugEvent *nde = (NodeDugEvent*)e;
818                 sm->m_sound->playSound(sm->m_ndef->get(nde->n).sound_dug, false);
819         }
820
821         void registerReceiver(MtEventManager *mgr)
822         {
823                 mgr->reg("ViewBobbingStep", SoundMaker::viewBobbingStep, this);
824                 mgr->reg("PlayerRegainGround", SoundMaker::playerRegainGround, this);
825                 mgr->reg("PlayerJump", SoundMaker::playerJump, this);
826                 mgr->reg("CameraPunchLeft", SoundMaker::cameraPunchLeft, this);
827                 mgr->reg("CameraPunchRight", SoundMaker::cameraPunchRight, this);
828                 mgr->reg("NodeDug", SoundMaker::nodeDug, this);
829         }
830
831         void step(float dtime)
832         {
833                 m_player_step_timer -= dtime;
834         }
835 };
836
837 // Locally stored sounds don't need to be preloaded because of this
838 class GameOnDemandSoundFetcher: public OnDemandSoundFetcher
839 {
840         std::set<std::string> m_fetched;
841 public:
842
843         void fetchSounds(const std::string &name,
844                         std::set<std::string> &dst_paths,
845                         std::set<std::string> &dst_datas)
846         {
847                 if(m_fetched.count(name))
848                         return;
849                 m_fetched.insert(name);
850                 std::string base = porting::path_share + DIR_DELIM + "testsounds";
851                 dst_paths.insert(base + DIR_DELIM + name + ".ogg");
852                 dst_paths.insert(base + DIR_DELIM + name + ".0.ogg");
853                 dst_paths.insert(base + DIR_DELIM + name + ".1.ogg");
854                 dst_paths.insert(base + DIR_DELIM + name + ".2.ogg");
855                 dst_paths.insert(base + DIR_DELIM + name + ".3.ogg");
856                 dst_paths.insert(base + DIR_DELIM + name + ".4.ogg");
857                 dst_paths.insert(base + DIR_DELIM + name + ".5.ogg");
858                 dst_paths.insert(base + DIR_DELIM + name + ".6.ogg");
859                 dst_paths.insert(base + DIR_DELIM + name + ".7.ogg");
860                 dst_paths.insert(base + DIR_DELIM + name + ".8.ogg");
861                 dst_paths.insert(base + DIR_DELIM + name + ".9.ogg");
862         }
863 };
864
865 class GameGlobalShaderConstantSetter : public IShaderConstantSetter
866 {
867         Sky *m_sky;
868         bool *m_force_fog_off;
869         f32 *m_fog_range;
870         Client *m_client;
871
872 public:
873         GameGlobalShaderConstantSetter(Sky *sky, bool *force_fog_off,
874                         f32 *fog_range, Client *client):
875                 m_sky(sky),
876                 m_force_fog_off(force_fog_off),
877                 m_fog_range(fog_range),
878                 m_client(client)
879         {}
880         ~GameGlobalShaderConstantSetter() {}
881
882         virtual void onSetConstants(video::IMaterialRendererServices *services,
883                         bool is_highlevel)
884         {
885                 if(!is_highlevel)
886                         return;
887
888                 // Background color
889                 video::SColor bgcolor = m_sky->getBgColor();
890                 video::SColorf bgcolorf(bgcolor);
891                 float bgcolorfa[4] = {
892                         bgcolorf.r,
893                         bgcolorf.g,
894                         bgcolorf.b,
895                         bgcolorf.a,
896                 };
897                 services->setPixelShaderConstant("skyBgColor", bgcolorfa, 4);
898
899                 // Fog distance
900                 float fog_distance = *m_fog_range;
901                 if(*m_force_fog_off)
902                         fog_distance = 10000*BS;
903                 services->setPixelShaderConstant("fogDistance", &fog_distance, 1);
904
905                 // Day-night ratio
906                 u32 daynight_ratio = m_client->getEnv().getDayNightRatio();
907                 float daynight_ratio_f = (float)daynight_ratio / 1000.0;
908                 services->setPixelShaderConstant("dayNightRatio", &daynight_ratio_f, 1);
909         }
910 };
911
912 void the_game(
913         bool &kill,
914         bool random_input,
915         InputHandler *input,
916         IrrlichtDevice *device,
917         gui::IGUIFont* font,
918         std::string map_dir,
919         std::string playername,
920         std::string password,
921         std::string address, // If "", local server is used
922         u16 port,
923         std::wstring &error_message,
924         std::string configpath,
925         ChatBackend &chat_backend,
926         const SubgameSpec &gamespec, // Used for local game,
927         bool simple_singleplayer_mode
928 )
929 {
930         FormspecFormSource* current_formspec = 0;
931         video::IVideoDriver* driver = device->getVideoDriver();
932         scene::ISceneManager* smgr = device->getSceneManager();
933         
934         // Calculate text height using the font
935         u32 text_height = font->getDimension(L"Random test string").Height;
936
937         v2u32 screensize(0,0);
938         v2u32 last_screensize(0,0);
939         screensize = driver->getScreenSize();
940
941         const s32 hotbar_itemcount = 8;
942         //const s32 hotbar_imagesize = 36;
943         //const s32 hotbar_imagesize = 64;
944         s32 hotbar_imagesize = 48;
945         
946         /*
947                 Draw "Loading" screen
948         */
949
950         draw_load_screen(L"Loading...", driver, font);
951         
952         // Create texture source
953         IWritableTextureSource *tsrc = createTextureSource(device);
954         
955         // Create shader source
956         IWritableShaderSource *shsrc = createShaderSource(device);
957         
958         // These will be filled by data received from the server
959         // Create item definition manager
960         IWritableItemDefManager *itemdef = createItemDefManager();
961         // Create node definition manager
962         IWritableNodeDefManager *nodedef = createNodeDefManager();
963         
964         // Sound fetcher (useful when testing)
965         GameOnDemandSoundFetcher soundfetcher;
966
967         // Sound manager
968         ISoundManager *sound = NULL;
969         bool sound_is_dummy = false;
970 #if USE_SOUND
971         if(g_settings->getBool("enable_sound")){
972                 infostream<<"Attempting to use OpenAL audio"<<std::endl;
973                 sound = createOpenALSoundManager(&soundfetcher);
974                 if(!sound)
975                         infostream<<"Failed to initialize OpenAL audio"<<std::endl;
976         } else {
977                 infostream<<"Sound disabled."<<std::endl;
978         }
979 #endif
980         if(!sound){
981                 infostream<<"Using dummy audio."<<std::endl;
982                 sound = &dummySoundManager;
983                 sound_is_dummy = true;
984         }
985
986         // Event manager
987         EventManager eventmgr;
988
989         // Sound maker
990         SoundMaker soundmaker(sound, nodedef);
991         soundmaker.registerReceiver(&eventmgr);
992         
993         // Add chat log output for errors to be shown in chat
994         LogOutputBuffer chat_log_error_buf(LMT_ERROR);
995
996         // Create UI for modifying quicktune values
997         QuicktuneShortcutter quicktune;
998
999         /*
1000                 Create server.
1001                 SharedPtr will delete it when it goes out of scope.
1002         */
1003         SharedPtr<Server> server;
1004         if(address == ""){
1005                 draw_load_screen(L"Creating server...", driver, font);
1006                 infostream<<"Creating server"<<std::endl;
1007                 server = new Server(map_dir, configpath, gamespec,
1008                                 simple_singleplayer_mode);
1009                 server->start(port);
1010         }
1011
1012         try{
1013         do{ // Client scope (breakable do-while(0))
1014         
1015         /*
1016                 Create client
1017         */
1018
1019         draw_load_screen(L"Creating client...", driver, font);
1020         infostream<<"Creating client"<<std::endl;
1021         
1022         MapDrawControl draw_control;
1023
1024         Client client(device, playername.c_str(), password, draw_control,
1025                         tsrc, shsrc, itemdef, nodedef, sound, &eventmgr);
1026         
1027         // Client acts as our GameDef
1028         IGameDef *gamedef = &client;
1029                         
1030         draw_load_screen(L"Resolving address...", driver, font);
1031         Address connect_address(0,0,0,0, port);
1032         try{
1033                 if(address == "")
1034                         //connect_address.Resolve("localhost");
1035                         connect_address.setAddress(127,0,0,1);
1036                 else
1037                         connect_address.Resolve(address.c_str());
1038         }
1039         catch(ResolveError &e)
1040         {
1041                 error_message = L"Couldn't resolve address";
1042                 errorstream<<wide_to_narrow(error_message)<<std::endl;
1043                 // Break out of client scope
1044                 break;
1045         }
1046
1047         /*
1048                 Attempt to connect to the server
1049         */
1050         
1051         infostream<<"Connecting to server at ";
1052         connect_address.print(&infostream);
1053         infostream<<std::endl;
1054         client.connect(connect_address);
1055         
1056         /*
1057                 Wait for server to accept connection
1058         */
1059         bool could_connect = false;
1060         bool connect_aborted = false;
1061         try{
1062                 float frametime = 0.033;
1063                 float time_counter = 0.0;
1064                 input->clear();
1065                 while(device->run())
1066                 {
1067                         // Update client and server
1068                         client.step(frametime);
1069                         if(server != NULL)
1070                                 server->step(frametime);
1071                         
1072                         // End condition
1073                         if(client.connectedAndInitialized()){
1074                                 could_connect = true;
1075                                 break;
1076                         }
1077                         // Break conditions
1078                         if(client.accessDenied()){
1079                                 error_message = L"Access denied. Reason: "
1080                                                 +client.accessDeniedReason();
1081                                 errorstream<<wide_to_narrow(error_message)<<std::endl;
1082                                 break;
1083                         }
1084                         if(input->wasKeyDown(EscapeKey)){
1085                                 connect_aborted = true;
1086                                 infostream<<"Connect aborted [Escape]"<<std::endl;
1087                                 break;
1088                         }
1089                         
1090                         // Display status
1091                         std::wostringstream ss;
1092                         ss<<L"Connecting to server... (press Escape to cancel)\n";
1093                         std::wstring animation = L"/-\\|";
1094                         ss<<animation[(int)(time_counter/0.2)%4];
1095                         draw_load_screen(ss.str(), driver, font);
1096                         
1097                         // Delay a bit
1098                         sleep_ms(1000*frametime);
1099                         time_counter += frametime;
1100                 }
1101         }
1102         catch(con::PeerNotFoundException &e)
1103         {}
1104         
1105         /*
1106                 Handle failure to connect
1107         */
1108         if(!could_connect){
1109                 if(error_message == L"" && !connect_aborted){
1110                         error_message = L"Connection failed";
1111                         errorstream<<wide_to_narrow(error_message)<<std::endl;
1112                 }
1113                 // Break out of client scope
1114                 break;
1115         }
1116         
1117         /*
1118                 Wait until content has been received
1119         */
1120         bool got_content = false;
1121         bool content_aborted = false;
1122         {
1123                 float frametime = 0.033;
1124                 float time_counter = 0.0;
1125                 input->clear();
1126                 while(device->run())
1127                 {
1128                         // Update client and server
1129                         client.step(frametime);
1130                         if(server != NULL)
1131                                 server->step(frametime);
1132                         
1133                         // End condition
1134                         if(client.texturesReceived() &&
1135                                         client.itemdefReceived() &&
1136                                         client.nodedefReceived()){
1137                                 got_content = true;
1138                                 break;
1139                         }
1140                         // Break conditions
1141                         if(!client.connectedAndInitialized()){
1142                                 error_message = L"Client disconnected";
1143                                 errorstream<<wide_to_narrow(error_message)<<std::endl;
1144                                 break;
1145                         }
1146                         if(input->wasKeyDown(EscapeKey)){
1147                                 content_aborted = true;
1148                                 infostream<<"Connect aborted [Escape]"<<std::endl;
1149                                 break;
1150                         }
1151                         
1152                         // Display status
1153                         std::wostringstream ss;
1154                         ss<<L"Waiting content... (press Escape to cancel)\n";
1155
1156                         ss<<(client.itemdefReceived()?L"[X]":L"[  ]");
1157                         ss<<L" Item definitions\n";
1158                         ss<<(client.nodedefReceived()?L"[X]":L"[  ]");
1159                         ss<<L" Node definitions\n";
1160                         ss<<L"["<<(int)(client.mediaReceiveProgress()*100+0.5)<<L"%] ";
1161                         ss<<L" Media\n";
1162
1163                         draw_load_screen(ss.str(), driver, font);
1164                         
1165                         // Delay a bit
1166                         sleep_ms(1000*frametime);
1167                         time_counter += frametime;
1168                 }
1169         }
1170
1171         if(!got_content){
1172                 if(error_message == L"" && !content_aborted){
1173                         error_message = L"Something failed";
1174                         errorstream<<wide_to_narrow(error_message)<<std::endl;
1175                 }
1176                 // Break out of client scope
1177                 break;
1178         }
1179
1180         /*
1181                 After all content has been received:
1182                 Update cached textures, meshes and materials
1183         */
1184         client.afterContentReceived();
1185
1186         /*
1187                 Create the camera node
1188         */
1189         Camera camera(smgr, draw_control, gamedef);
1190         if (!camera.successfullyCreated(error_message))
1191                 return;
1192
1193         f32 camera_yaw = 0; // "right/left"
1194         f32 camera_pitch = 0; // "up/down"
1195
1196         /*
1197                 Clouds
1198         */
1199         
1200         Clouds *clouds = NULL;
1201         if(g_settings->getBool("enable_clouds"))
1202         {
1203                 clouds = new Clouds(smgr->getRootSceneNode(), smgr, -1, time(0));
1204         }
1205
1206         /*
1207                 Skybox thingy
1208         */
1209
1210         Sky *sky = NULL;
1211         sky = new Sky(smgr->getRootSceneNode(), smgr, -1);
1212         
1213         /*
1214                 FarMesh
1215         */
1216
1217         FarMesh *farmesh = NULL;
1218         if(g_settings->getBool("enable_farmesh"))
1219         {
1220                 farmesh = new FarMesh(smgr->getRootSceneNode(), smgr, -1, client.getMapSeed(), &client);
1221         }
1222
1223         /*
1224                 A copy of the local inventory
1225         */
1226         Inventory local_inventory(itemdef);
1227
1228         /*
1229                 Find out size of crack animation
1230         */
1231         int crack_animation_length = 5;
1232         {
1233                 video::ITexture *t = tsrc->getTextureRaw("crack_anylength.png");
1234                 v2u32 size = t->getOriginalSize();
1235                 crack_animation_length = size.Y / size.X;
1236         }
1237
1238         /*
1239                 Add some gui stuff
1240         */
1241
1242         // First line of debug text
1243         gui::IGUIStaticText *guitext = guienv->addStaticText(
1244                         L"Minetest",
1245                         core::rect<s32>(5, 5, 795, 5+text_height),
1246                         false, false);
1247         // Second line of debug text
1248         gui::IGUIStaticText *guitext2 = guienv->addStaticText(
1249                         L"",
1250                         core::rect<s32>(5, 5+(text_height+5)*1, 795, (5+text_height)*2),
1251                         false, false);
1252         // At the middle of the screen
1253         // Object infos are shown in this
1254         gui::IGUIStaticText *guitext_info = guienv->addStaticText(
1255                         L"",
1256                         core::rect<s32>(0,0,400,text_height*5+5) + v2s32(100,200),
1257                         false, false);
1258         
1259         // Status text (displays info when showing and hiding GUI stuff, etc.)
1260         gui::IGUIStaticText *guitext_status = guienv->addStaticText(
1261                         L"<Status>",
1262                         core::rect<s32>(0,0,0,0),
1263                         false, false);
1264         guitext_status->setVisible(false);
1265         
1266         std::wstring statustext;
1267         float statustext_time = 0;
1268         
1269         // Chat text
1270         gui::IGUIStaticText *guitext_chat = guienv->addStaticText(
1271                         L"",
1272                         core::rect<s32>(0,0,0,0),
1273                         //false, false); // Disable word wrap as of now
1274                         false, true);
1275         // Remove stale "recent" chat messages from previous connections
1276         chat_backend.clearRecentChat();
1277         // Chat backend and console
1278         GUIChatConsole *gui_chat_console = new GUIChatConsole(guienv, guienv->getRootGUIElement(), -1, &chat_backend, &client);
1279         
1280         // Profiler text (size is updated when text is updated)
1281         gui::IGUIStaticText *guitext_profiler = guienv->addStaticText(
1282                         L"<Profiler>",
1283                         core::rect<s32>(0,0,0,0),
1284                         false, false);
1285         guitext_profiler->setBackgroundColor(video::SColor(120,0,0,0));
1286         guitext_profiler->setVisible(false);
1287         
1288         /*
1289                 Some statistics are collected in these
1290         */
1291         u32 drawtime = 0;
1292         u32 beginscenetime = 0;
1293         u32 scenetime = 0;
1294         u32 endscenetime = 0;
1295         
1296         float recent_turn_speed = 0.0;
1297         
1298         ProfilerGraph graph;
1299         // Initially clear the profiler
1300         Profiler::GraphValues dummyvalues;
1301         g_profiler->graphGet(dummyvalues);
1302
1303         float nodig_delay_timer = 0.0;
1304         float dig_time = 0.0;
1305         u16 dig_index = 0;
1306         PointedThing pointed_old;
1307         bool digging = false;
1308         bool ldown_for_dig = false;
1309
1310         float damage_flash = 0;
1311         s16 farmesh_range = 20*MAP_BLOCKSIZE;
1312
1313         const float object_hit_delay = 0.2;
1314         float object_hit_delay_timer = 0.0;
1315         float time_from_last_punch = 10;
1316
1317         float update_draw_list_timer = 0.0;
1318         v3f update_draw_list_last_cam_dir;
1319
1320         bool invert_mouse = g_settings->getBool("invert_mouse");
1321
1322         bool respawn_menu_active = false;
1323         bool update_wielded_item_trigger = false;
1324
1325         bool show_hud = true;
1326         bool show_chat = true;
1327         bool force_fog_off = false;
1328         f32 fog_range = 100*BS;
1329         bool disable_camera_update = false;
1330         bool show_debug = g_settings->getBool("show_debug");
1331         bool show_profiler_graph = false;
1332         u32 show_profiler = 0;
1333         u32 show_profiler_max = 3;  // Number of pages
1334
1335         float time_of_day = 0;
1336         float time_of_day_smooth = 0;
1337
1338         /*
1339                 Shader constants
1340         */
1341         shsrc->addGlobalConstantSetter(new GameGlobalShaderConstantSetter(
1342                         sky, &force_fog_off, &fog_range, &client));
1343
1344         /*
1345                 Main loop
1346         */
1347
1348         bool first_loop_after_window_activation = true;
1349
1350         // TODO: Convert the static interval timers to these
1351         // Interval limiter for profiler
1352         IntervalLimiter m_profiler_interval;
1353
1354         // Time is in milliseconds
1355         // NOTE: getRealTime() causes strange problems in wine (imprecision?)
1356         // NOTE: So we have to use getTime() and call run()s between them
1357         u32 lasttime = device->getTimer()->getTime();
1358
1359         LocalPlayer* player = client.getEnv().getLocalPlayer();
1360         player->hurt_tilt_timer = 0;
1361         player->hurt_tilt_strength = 0;
1362
1363         for(;;)
1364         {
1365                 if(device->run() == false || kill == true)
1366                         break;
1367
1368                 // Time of frame without fps limit
1369                 float busytime;
1370                 u32 busytime_u32;
1371                 {
1372                         // not using getRealTime is necessary for wine
1373                         u32 time = device->getTimer()->getTime();
1374                         if(time > lasttime)
1375                                 busytime_u32 = time - lasttime;
1376                         else
1377                                 busytime_u32 = 0;
1378                         busytime = busytime_u32 / 1000.0;
1379                 }
1380                 
1381                 g_profiler->graphAdd("mainloop_other", busytime - (float)drawtime/1000.0f);
1382
1383                 // Necessary for device->getTimer()->getTime()
1384                 device->run();
1385
1386                 /*
1387                         FPS limiter
1388                 */
1389
1390                 {
1391                         float fps_max = g_settings->getFloat("fps_max");
1392                         u32 frametime_min = 1000./fps_max;
1393                         
1394                         if(busytime_u32 < frametime_min)
1395                         {
1396                                 u32 sleeptime = frametime_min - busytime_u32;
1397                                 device->sleep(sleeptime);
1398                                 g_profiler->graphAdd("mainloop_sleep", (float)sleeptime/1000.0f);
1399                         }
1400                 }
1401
1402                 // Necessary for device->getTimer()->getTime()
1403                 device->run();
1404
1405                 /*
1406                         Time difference calculation
1407                 */
1408                 f32 dtime; // in seconds
1409                 
1410                 u32 time = device->getTimer()->getTime();
1411                 if(time > lasttime)
1412                         dtime = (time - lasttime) / 1000.0;
1413                 else
1414                         dtime = 0;
1415                 lasttime = time;
1416
1417                 g_profiler->graphAdd("mainloop_dtime", dtime);
1418
1419                 /* Run timers */
1420
1421                 if(nodig_delay_timer >= 0)
1422                         nodig_delay_timer -= dtime;
1423                 if(object_hit_delay_timer >= 0)
1424                         object_hit_delay_timer -= dtime;
1425                 time_from_last_punch += dtime;
1426                 
1427                 g_profiler->add("Elapsed time", dtime);
1428                 g_profiler->avg("FPS", 1./dtime);
1429
1430                 /*
1431                         Time average and jitter calculation
1432                 */
1433
1434                 static f32 dtime_avg1 = 0.0;
1435                 dtime_avg1 = dtime_avg1 * 0.96 + dtime * 0.04;
1436                 f32 dtime_jitter1 = dtime - dtime_avg1;
1437
1438                 static f32 dtime_jitter1_max_sample = 0.0;
1439                 static f32 dtime_jitter1_max_fraction = 0.0;
1440                 {
1441                         static f32 jitter1_max = 0.0;
1442                         static f32 counter = 0.0;
1443                         if(dtime_jitter1 > jitter1_max)
1444                                 jitter1_max = dtime_jitter1;
1445                         counter += dtime;
1446                         if(counter > 0.0)
1447                         {
1448                                 counter -= 3.0;
1449                                 dtime_jitter1_max_sample = jitter1_max;
1450                                 dtime_jitter1_max_fraction
1451                                                 = dtime_jitter1_max_sample / (dtime_avg1+0.001);
1452                                 jitter1_max = 0.0;
1453                         }
1454                 }
1455                 
1456                 /*
1457                         Busytime average and jitter calculation
1458                 */
1459
1460                 static f32 busytime_avg1 = 0.0;
1461                 busytime_avg1 = busytime_avg1 * 0.98 + busytime * 0.02;
1462                 f32 busytime_jitter1 = busytime - busytime_avg1;
1463                 
1464                 static f32 busytime_jitter1_max_sample = 0.0;
1465                 static f32 busytime_jitter1_min_sample = 0.0;
1466                 {
1467                         static f32 jitter1_max = 0.0;
1468                         static f32 jitter1_min = 0.0;
1469                         static f32 counter = 0.0;
1470                         if(busytime_jitter1 > jitter1_max)
1471                                 jitter1_max = busytime_jitter1;
1472                         if(busytime_jitter1 < jitter1_min)
1473                                 jitter1_min = busytime_jitter1;
1474                         counter += dtime;
1475                         if(counter > 0.0){
1476                                 counter -= 3.0;
1477                                 busytime_jitter1_max_sample = jitter1_max;
1478                                 busytime_jitter1_min_sample = jitter1_min;
1479                                 jitter1_max = 0.0;
1480                                 jitter1_min = 0.0;
1481                         }
1482                 }
1483
1484                 /*
1485                         Handle miscellaneous stuff
1486                 */
1487                 
1488                 if(client.accessDenied())
1489                 {
1490                         error_message = L"Access denied. Reason: "
1491                                         +client.accessDeniedReason();
1492                         errorstream<<wide_to_narrow(error_message)<<std::endl;
1493                         break;
1494                 }
1495
1496                 if(g_gamecallback->disconnect_requested)
1497                 {
1498                         g_gamecallback->disconnect_requested = false;
1499                         break;
1500                 }
1501
1502                 if(g_gamecallback->changepassword_requested)
1503                 {
1504                         (new GUIPasswordChange(guienv, guiroot, -1,
1505                                 &g_menumgr, &client))->drop();
1506                         g_gamecallback->changepassword_requested = false;
1507                 }
1508
1509                 /* Process TextureSource's queue */
1510                 tsrc->processQueue();
1511
1512                 /* Process ItemDefManager's queue */
1513                 itemdef->processQueue(gamedef);
1514
1515                 /*
1516                         Process ShaderSource's queue
1517                 */
1518                 shsrc->processQueue();
1519
1520                 /*
1521                         Random calculations
1522                 */
1523                 last_screensize = screensize;
1524                 screensize = driver->getScreenSize();
1525                 v2s32 displaycenter(screensize.X/2,screensize.Y/2);
1526                 //bool screensize_changed = screensize != last_screensize;
1527
1528                 // Resize hotbar
1529                 if(screensize.Y <= 800)
1530                         hotbar_imagesize = 32;
1531                 else if(screensize.Y <= 1280)
1532                         hotbar_imagesize = 48;
1533                 else
1534                         hotbar_imagesize = 64;
1535                 
1536                 // Hilight boxes collected during the loop and displayed
1537                 std::vector<aabb3f> hilightboxes;
1538                 
1539                 // Info text
1540                 std::wstring infotext;
1541
1542                 /*
1543                         Debug info for client
1544                 */
1545                 {
1546                         static float counter = 0.0;
1547                         counter -= dtime;
1548                         if(counter < 0)
1549                         {
1550                                 counter = 30.0;
1551                                 client.printDebugInfo(infostream);
1552                         }
1553                 }
1554
1555                 /*
1556                         Profiler
1557                 */
1558                 float profiler_print_interval =
1559                                 g_settings->getFloat("profiler_print_interval");
1560                 bool print_to_log = true;
1561                 if(profiler_print_interval == 0){
1562                         print_to_log = false;
1563                         profiler_print_interval = 5;
1564                 }
1565                 if(m_profiler_interval.step(dtime, profiler_print_interval))
1566                 {
1567                         if(print_to_log){
1568                                 infostream<<"Profiler:"<<std::endl;
1569                                 g_profiler->print(infostream);
1570                         }
1571
1572                         update_profiler_gui(guitext_profiler, font, text_height,
1573                                         show_profiler, show_profiler_max);
1574
1575                         g_profiler->clear();
1576                 }
1577
1578                 /*
1579                         Direct handling of user input
1580                 */
1581                 
1582                 // Reset input if window not active or some menu is active
1583                 if(device->isWindowActive() == false
1584                                 || noMenuActive() == false
1585                                 || guienv->hasFocus(gui_chat_console))
1586                 {
1587                         input->clear();
1588                 }
1589
1590                 // Input handler step() (used by the random input generator)
1591                 input->step(dtime);
1592
1593                 /*
1594                         Launch menus and trigger stuff according to keys
1595                 */
1596                 if(input->wasKeyDown(getKeySetting("keymap_drop")))
1597                 {
1598                         // drop selected item
1599                         IDropAction *a = new IDropAction();
1600                         a->count = 0;
1601                         a->from_inv.setCurrentPlayer();
1602                         a->from_list = "main";
1603                         a->from_i = client.getPlayerItem();
1604                         client.inventoryAction(a);
1605                 }
1606                 else if(input->wasKeyDown(getKeySetting("keymap_inventory")))
1607                 {
1608                         infostream<<"the_game: "
1609                                         <<"Launching inventory"<<std::endl;
1610                         
1611                         GUIFormSpecMenu *menu =
1612                                 new GUIFormSpecMenu(device, guiroot, -1,
1613                                         &g_menumgr,
1614                                         &client, gamedef);
1615
1616                         InventoryLocation inventoryloc;
1617                         inventoryloc.setCurrentPlayer();
1618
1619                         PlayerInventoryFormSource *src = new PlayerInventoryFormSource(&client);
1620                         assert(src);
1621                         menu->setFormSpec(src->getForm(), inventoryloc);
1622                         menu->setFormSource(src);
1623                         menu->setTextDest(new TextDestPlayerInventory(&client));
1624                         menu->drop();
1625                 }
1626                 else if(input->wasKeyDown(EscapeKey))
1627                 {
1628                         infostream<<"the_game: "
1629                                         <<"Launching pause menu"<<std::endl;
1630                         // It will delete itself by itself
1631                         (new GUIPauseMenu(guienv, guiroot, -1, g_gamecallback,
1632                                         &g_menumgr, simple_singleplayer_mode))->drop();
1633
1634                         // Move mouse cursor on top of the disconnect button
1635                         if(simple_singleplayer_mode)
1636                                 input->setMousePos(displaycenter.X, displaycenter.Y+0);
1637                         else
1638                                 input->setMousePos(displaycenter.X, displaycenter.Y+25);
1639                 }
1640                 else if(input->wasKeyDown(getKeySetting("keymap_chat")))
1641                 {
1642                         TextDest *dest = new TextDestChat(&client);
1643
1644                         (new GUITextInputMenu(guienv, guiroot, -1,
1645                                         &g_menumgr, dest,
1646                                         L""))->drop();
1647                 }
1648                 else if(input->wasKeyDown(getKeySetting("keymap_cmd")))
1649                 {
1650                         TextDest *dest = new TextDestChat(&client);
1651
1652                         (new GUITextInputMenu(guienv, guiroot, -1,
1653                                         &g_menumgr, dest,
1654                                         L"/"))->drop();
1655                 }
1656                 else if(input->wasKeyDown(getKeySetting("keymap_console")))
1657                 {
1658                         if (!gui_chat_console->isOpenInhibited())
1659                         {
1660                                 // Open up to over half of the screen
1661                                 gui_chat_console->openConsole(0.6);
1662                                 guienv->setFocus(gui_chat_console);
1663                         }
1664                 }
1665                 else if(input->wasKeyDown(getKeySetting("keymap_freemove")))
1666                 {
1667                         if(g_settings->getBool("free_move"))
1668                         {
1669                                 g_settings->set("free_move","false");
1670                                 statustext = L"free_move disabled";
1671                                 statustext_time = 0;
1672                         }
1673                         else
1674                         {
1675                                 g_settings->set("free_move","true");
1676                                 statustext = L"free_move enabled";
1677                                 statustext_time = 0;
1678                                 if(!client.checkPrivilege("fly"))
1679                                         statustext += L" (note: no 'fly' privilege)";
1680                         }
1681                 }
1682                 else if(input->wasKeyDown(getKeySetting("keymap_fastmove")))
1683                 {
1684                         if(g_settings->getBool("fast_move"))
1685                         {
1686                                 g_settings->set("fast_move","false");
1687                                 statustext = L"fast_move disabled";
1688                                 statustext_time = 0;
1689                         }
1690                         else
1691                         {
1692                                 g_settings->set("fast_move","true");
1693                                 statustext = L"fast_move enabled";
1694                                 statustext_time = 0;
1695                                 if(!client.checkPrivilege("fast"))
1696                                         statustext += L" (note: no 'fast' privilege)";
1697                         }
1698                 }
1699                 else if(input->wasKeyDown(getKeySetting("keymap_noclip")))
1700                 {
1701                         if(g_settings->getBool("noclip"))
1702                         {
1703                                 g_settings->set("noclip","false");
1704                                 statustext = L"noclip disabled";
1705                                 statustext_time = 0;
1706                         }
1707                         else
1708                         {
1709                                 g_settings->set("noclip","true");
1710                                 statustext = L"noclip enabled";
1711                                 statustext_time = 0;
1712                                 if(!client.checkPrivilege("noclip"))
1713                                         statustext += L" (note: no 'noclip' privilege)";
1714                         }
1715                 }
1716                 else if(input->wasKeyDown(getKeySetting("keymap_screenshot")))
1717                 {
1718                         irr::video::IImage* const image = driver->createScreenShot(); 
1719                         if (image) { 
1720                                 irr::c8 filename[256]; 
1721                                 snprintf(filename, 256, "%s" DIR_DELIM "screenshot_%u.png", 
1722                                                  g_settings->get("screenshot_path").c_str(),
1723                                                  device->getTimer()->getRealTime()); 
1724                                 if (driver->writeImageToFile(image, filename)) {
1725                                         std::wstringstream sstr;
1726                                         sstr<<"Saved screenshot to '"<<filename<<"'";
1727                                         infostream<<"Saved screenshot to '"<<filename<<"'"<<std::endl;
1728                                         statustext = sstr.str();
1729                                         statustext_time = 0;
1730                                 } else{
1731                                         infostream<<"Failed to save screenshot '"<<filename<<"'"<<std::endl;
1732                                 }
1733                                 image->drop(); 
1734                         }                        
1735                 }
1736                 else if(input->wasKeyDown(getKeySetting("keymap_toggle_hud")))
1737                 {
1738                         show_hud = !show_hud;
1739                         if(show_hud)
1740                                 statustext = L"HUD shown";
1741                         else
1742                                 statustext = L"HUD hidden";
1743                         statustext_time = 0;
1744                 }
1745                 else if(input->wasKeyDown(getKeySetting("keymap_toggle_chat")))
1746                 {
1747                         show_chat = !show_chat;
1748                         if(show_chat)
1749                                 statustext = L"Chat shown";
1750                         else
1751                                 statustext = L"Chat hidden";
1752                         statustext_time = 0;
1753                 }
1754                 else if(input->wasKeyDown(getKeySetting("keymap_toggle_force_fog_off")))
1755                 {
1756                         force_fog_off = !force_fog_off;
1757                         if(force_fog_off)
1758                                 statustext = L"Fog disabled";
1759                         else
1760                                 statustext = L"Fog enabled";
1761                         statustext_time = 0;
1762                 }
1763                 else if(input->wasKeyDown(getKeySetting("keymap_toggle_update_camera")))
1764                 {
1765                         disable_camera_update = !disable_camera_update;
1766                         if(disable_camera_update)
1767                                 statustext = L"Camera update disabled";
1768                         else
1769                                 statustext = L"Camera update enabled";
1770                         statustext_time = 0;
1771                 }
1772                 else if(input->wasKeyDown(getKeySetting("keymap_toggle_debug")))
1773                 {
1774                         // Initial / 3x toggle: Chat only
1775                         // 1x toggle: Debug text with chat
1776                         // 2x toggle: Debug text with profiler graph
1777                         if(!show_debug)
1778                         {
1779                                 show_debug = true;
1780                                 show_profiler_graph = false;
1781                                 statustext = L"Debug info shown";
1782                                 statustext_time = 0;
1783                         }
1784                         else if(show_profiler_graph)
1785                         {
1786                                 show_debug = false;
1787                                 show_profiler_graph = false;
1788                                 statustext = L"Debug info and profiler graph hidden";
1789                                 statustext_time = 0;
1790                         }
1791                         else
1792                         {
1793                                 show_profiler_graph = true;
1794                                 statustext = L"Profiler graph shown";
1795                                 statustext_time = 0;
1796                         }
1797                 }
1798                 else if(input->wasKeyDown(getKeySetting("keymap_toggle_profiler")))
1799                 {
1800                         show_profiler = (show_profiler + 1) % (show_profiler_max + 1);
1801
1802                         // FIXME: This updates the profiler with incomplete values
1803                         update_profiler_gui(guitext_profiler, font, text_height,
1804                                         show_profiler, show_profiler_max);
1805
1806                         if(show_profiler != 0)
1807                         {
1808                                 std::wstringstream sstr;
1809                                 sstr<<"Profiler shown (page "<<show_profiler
1810                                         <<" of "<<show_profiler_max<<")";
1811                                 statustext = sstr.str();
1812                                 statustext_time = 0;
1813                         }
1814                         else
1815                         {
1816                                 statustext = L"Profiler hidden";
1817                                 statustext_time = 0;
1818                         }
1819                 }
1820                 else if(input->wasKeyDown(getKeySetting("keymap_increase_viewing_range_min")))
1821                 {
1822                         s16 range = g_settings->getS16("viewing_range_nodes_min");
1823                         s16 range_new = range + 10;
1824                         g_settings->set("viewing_range_nodes_min", itos(range_new));
1825                         statustext = narrow_to_wide(
1826                                         "Minimum viewing range changed to "
1827                                         + itos(range_new));
1828                         statustext_time = 0;
1829                 }
1830                 else if(input->wasKeyDown(getKeySetting("keymap_decrease_viewing_range_min")))
1831                 {
1832                         s16 range = g_settings->getS16("viewing_range_nodes_min");
1833                         s16 range_new = range - 10;
1834                         if(range_new < 0)
1835                                 range_new = range;
1836                         g_settings->set("viewing_range_nodes_min",
1837                                         itos(range_new));
1838                         statustext = narrow_to_wide(
1839                                         "Minimum viewing range changed to "
1840                                         + itos(range_new));
1841                         statustext_time = 0;
1842                 }
1843                 
1844                 // Handle QuicktuneShortcutter
1845                 if(input->wasKeyDown(getKeySetting("keymap_quicktune_next")))
1846                         quicktune.next();
1847                 if(input->wasKeyDown(getKeySetting("keymap_quicktune_prev")))
1848                         quicktune.prev();
1849                 if(input->wasKeyDown(getKeySetting("keymap_quicktune_inc")))
1850                         quicktune.inc();
1851                 if(input->wasKeyDown(getKeySetting("keymap_quicktune_dec")))
1852                         quicktune.dec();
1853                 {
1854                         std::string msg = quicktune.getMessage();
1855                         if(msg != ""){
1856                                 statustext = narrow_to_wide(msg);
1857                                 statustext_time = 0;
1858                         }
1859                 }
1860
1861                 // Item selection with mouse wheel
1862                 u16 new_playeritem = client.getPlayerItem();
1863                 {
1864                         s32 wheel = input->getMouseWheel();
1865                         u16 max_item = MYMIN(PLAYER_INVENTORY_SIZE-1,
1866                                         hotbar_itemcount-1);
1867
1868                         if(wheel < 0)
1869                         {
1870                                 if(new_playeritem < max_item)
1871                                         new_playeritem++;
1872                                 else
1873                                         new_playeritem = 0;
1874                         }
1875                         else if(wheel > 0)
1876                         {
1877                                 if(new_playeritem > 0)
1878                                         new_playeritem--;
1879                                 else
1880                                         new_playeritem = max_item;
1881                         }
1882                 }
1883                 
1884                 // Item selection
1885                 for(u16 i=0; i<10; i++)
1886                 {
1887                         const KeyPress *kp = NumberKey + (i + 1) % 10;
1888                         if(input->wasKeyDown(*kp))
1889                         {
1890                                 if(i < PLAYER_INVENTORY_SIZE && i < hotbar_itemcount)
1891                                 {
1892                                         new_playeritem = i;
1893
1894                                         infostream<<"Selected item: "
1895                                                         <<new_playeritem<<std::endl;
1896                                 }
1897                         }
1898                 }
1899
1900                 // Viewing range selection
1901                 if(input->wasKeyDown(getKeySetting("keymap_rangeselect")))
1902                 {
1903                         draw_control.range_all = !draw_control.range_all;
1904                         if(draw_control.range_all)
1905                         {
1906                                 infostream<<"Enabled full viewing range"<<std::endl;
1907                                 statustext = L"Enabled full viewing range";
1908                                 statustext_time = 0;
1909                         }
1910                         else
1911                         {
1912                                 infostream<<"Disabled full viewing range"<<std::endl;
1913                                 statustext = L"Disabled full viewing range";
1914                                 statustext_time = 0;
1915                         }
1916                 }
1917
1918                 // Print debug stacks
1919                 if(input->wasKeyDown(getKeySetting("keymap_print_debug_stacks")))
1920                 {
1921                         dstream<<"-----------------------------------------"
1922                                         <<std::endl;
1923                         dstream<<DTIME<<"Printing debug stacks:"<<std::endl;
1924                         dstream<<"-----------------------------------------"
1925                                         <<std::endl;
1926                         debug_stacks_print();
1927                 }
1928
1929                 /*
1930                         Mouse and camera control
1931                         NOTE: Do this before client.setPlayerControl() to not cause a camera lag of one frame
1932                 */
1933                 
1934                 float turn_amount = 0;
1935                 if((device->isWindowActive() && noMenuActive()) || random_input)
1936                 {
1937                         if(!random_input)
1938                         {
1939                                 // Mac OSX gets upset if this is set every frame
1940                                 if(device->getCursorControl()->isVisible())
1941                                         device->getCursorControl()->setVisible(false);
1942                         }
1943
1944                         if(first_loop_after_window_activation){
1945                                 //infostream<<"window active, first loop"<<std::endl;
1946                                 first_loop_after_window_activation = false;
1947                         }
1948                         else{
1949                                 s32 dx = input->getMousePos().X - displaycenter.X;
1950                                 s32 dy = input->getMousePos().Y - displaycenter.Y;
1951                                 if(invert_mouse)
1952                                         dy = -dy;
1953                                 //infostream<<"window active, pos difference "<<dx<<","<<dy<<std::endl;
1954                                 
1955                                 /*const float keyspeed = 500;
1956                                 if(input->isKeyDown(irr::KEY_UP))
1957                                         dy -= dtime * keyspeed;
1958                                 if(input->isKeyDown(irr::KEY_DOWN))
1959                                         dy += dtime * keyspeed;
1960                                 if(input->isKeyDown(irr::KEY_LEFT))
1961                                         dx -= dtime * keyspeed;
1962                                 if(input->isKeyDown(irr::KEY_RIGHT))
1963                                         dx += dtime * keyspeed;*/
1964                                 
1965                                 float d = 0.2;
1966                                 camera_yaw -= dx*d;
1967                                 camera_pitch += dy*d;
1968                                 if(camera_pitch < -89.5) camera_pitch = -89.5;
1969                                 if(camera_pitch > 89.5) camera_pitch = 89.5;
1970                                 
1971                                 turn_amount = v2f(dx, dy).getLength() * d;
1972                         }
1973                         input->setMousePos(displaycenter.X, displaycenter.Y);
1974                 }
1975                 else{
1976                         // Mac OSX gets upset if this is set every frame
1977                         if(device->getCursorControl()->isVisible() == false)
1978                                 device->getCursorControl()->setVisible(true);
1979
1980                         //infostream<<"window inactive"<<std::endl;
1981                         first_loop_after_window_activation = true;
1982                 }
1983                 recent_turn_speed = recent_turn_speed * 0.9 + turn_amount * 0.1;
1984                 //std::cerr<<"recent_turn_speed = "<<recent_turn_speed<<std::endl;
1985
1986                 /*
1987                         Player speed control
1988                 */
1989                 {
1990                         /*bool a_up,
1991                         bool a_down,
1992                         bool a_left,
1993                         bool a_right,
1994                         bool a_jump,
1995                         bool a_superspeed,
1996                         bool a_sneak,
1997                         bool a_LMB,
1998                         bool a_RMB,
1999                         float a_pitch,
2000                         float a_yaw*/
2001                         PlayerControl control(
2002                                 input->isKeyDown(getKeySetting("keymap_forward")),
2003                                 input->isKeyDown(getKeySetting("keymap_backward")),
2004                                 input->isKeyDown(getKeySetting("keymap_left")),
2005                                 input->isKeyDown(getKeySetting("keymap_right")),
2006                                 input->isKeyDown(getKeySetting("keymap_jump")),
2007                                 input->isKeyDown(getKeySetting("keymap_special1")),
2008                                 input->isKeyDown(getKeySetting("keymap_sneak")),
2009                                 input->getLeftState(),
2010                                 input->getRightState(),
2011                                 camera_pitch,
2012                                 camera_yaw
2013                         );
2014                         client.setPlayerControl(control);
2015                         u32 keyPressed=
2016                         1*(int)input->isKeyDown(getKeySetting("keymap_forward"))+
2017                         2*(int)input->isKeyDown(getKeySetting("keymap_backward"))+
2018                         4*(int)input->isKeyDown(getKeySetting("keymap_left"))+
2019                         8*(int)input->isKeyDown(getKeySetting("keymap_right"))+
2020                         16*(int)input->isKeyDown(getKeySetting("keymap_jump"))+
2021                         32*(int)input->isKeyDown(getKeySetting("keymap_special1"))+
2022                         64*(int)input->isKeyDown(getKeySetting("keymap_sneak"))+
2023                         128*(int)input->getLeftState()+
2024                         256*(int)input->getRightState();
2025                         LocalPlayer* player = client.getEnv().getLocalPlayer();
2026                         player->keyPressed=keyPressed;
2027                 }
2028                 
2029                 /*
2030                         Run server
2031                 */
2032
2033                 if(server != NULL)
2034                 {
2035                         //TimeTaker timer("server->step(dtime)");
2036                         server->step(dtime);
2037                 }
2038
2039                 /*
2040                         Process environment
2041                 */
2042                 
2043                 {
2044                         //TimeTaker timer("client.step(dtime)");
2045                         client.step(dtime);
2046                         //client.step(dtime_avg1);
2047                 }
2048
2049                 {
2050                         // Read client events
2051                         for(;;)
2052                         {
2053                                 ClientEvent event = client.getClientEvent();
2054                                 if(event.type == CE_NONE)
2055                                 {
2056                                         break;
2057                                 }
2058                                 else if(event.type == CE_PLAYER_DAMAGE)
2059                                 {
2060                                         //u16 damage = event.player_damage.amount;
2061                                         //infostream<<"Player damage: "<<damage<<std::endl;
2062
2063                                         damage_flash += 100.0;
2064                                         damage_flash += 8.0 * event.player_damage.amount;
2065
2066                                         player->hurt_tilt_timer = 1.5;
2067                                         player->hurt_tilt_strength = event.player_damage.amount/2;
2068                                         player->hurt_tilt_strength = rangelim(player->hurt_tilt_strength, 2.0, 10.0);
2069                                 }
2070                                 else if(event.type == CE_PLAYER_FORCE_MOVE)
2071                                 {
2072                                         camera_yaw = event.player_force_move.yaw;
2073                                         camera_pitch = event.player_force_move.pitch;
2074                                 }
2075                                 else if(event.type == CE_DEATHSCREEN)
2076                                 {
2077                                         if(respawn_menu_active)
2078                                                 continue;
2079
2080                                         /*bool set_camera_point_target =
2081                                                         event.deathscreen.set_camera_point_target;
2082                                         v3f camera_point_target;
2083                                         camera_point_target.X = event.deathscreen.camera_point_target_x;
2084                                         camera_point_target.Y = event.deathscreen.camera_point_target_y;
2085                                         camera_point_target.Z = event.deathscreen.camera_point_target_z;*/
2086                                         MainRespawnInitiator *respawner =
2087                                                         new MainRespawnInitiator(
2088                                                                         &respawn_menu_active, &client);
2089                                         GUIDeathScreen *menu =
2090                                                         new GUIDeathScreen(guienv, guiroot, -1, 
2091                                                                 &g_menumgr, respawner);
2092                                         menu->drop();
2093                                         
2094                                         chat_backend.addMessage(L"", L"You died.");
2095
2096                                         /* Handle visualization */
2097
2098                                         damage_flash = 0;
2099
2100                                         LocalPlayer* player = client.getEnv().getLocalPlayer();
2101                                         player->hurt_tilt_timer = 0;
2102                                         player->hurt_tilt_strength = 0;
2103
2104                                         /*LocalPlayer* player = client.getLocalPlayer();
2105                                         player->setPosition(player->getPosition() + v3f(0,-BS,0));
2106                                         camera.update(player, busytime, screensize);*/
2107                                 }
2108                                 else if (event.type == CE_SHOW_FORMSPEC)
2109                                 {
2110                                         if (current_formspec == 0)
2111                                         {
2112                                                 /* Create menu */
2113                                                 current_formspec = new FormspecFormSource(*(event.show_formspec.formspec),&current_formspec);
2114
2115                                                 GUIFormSpecMenu *menu =
2116                                                                 new GUIFormSpecMenu(device, guiroot, -1,
2117                                                                                 &g_menumgr,
2118                                                                                 &client, gamedef);
2119                                                 menu->setFormSource(current_formspec);
2120                                                 menu->drop();
2121                                         }
2122                                         else
2123                                         {
2124                                                 /* update menu */
2125                                                 current_formspec->setForm(*(event.show_formspec.formspec));
2126                                         }
2127                                         delete(event.show_formspec.formspec);
2128                                 }
2129                                 else if(event.type == CE_TEXTURES_UPDATED)
2130                                 {
2131                                         update_wielded_item_trigger = true;
2132                                 }
2133                         }
2134                 }
2135                 
2136                 //TimeTaker //timer2("//timer2");
2137
2138                 /*
2139                         For interaction purposes, get info about the held item
2140                         - What item is it?
2141                         - Is it a usable item?
2142                         - Can it point to liquids?
2143                 */
2144                 ItemStack playeritem;
2145                 bool playeritem_usable = false;
2146                 bool playeritem_liquids_pointable = false;
2147                 {
2148                         InventoryList *mlist = local_inventory.getList("main");
2149                         if(mlist != NULL)
2150                         {
2151                                 playeritem = mlist->getItem(client.getPlayerItem());
2152                                 playeritem_usable = playeritem.getDefinition(itemdef).usable;
2153                                 playeritem_liquids_pointable = playeritem.getDefinition(itemdef).liquids_pointable;
2154                         }
2155                 }
2156                 ToolCapabilities playeritem_toolcap =
2157                                 playeritem.getToolCapabilities(itemdef);
2158                 
2159                 /*
2160                         Update camera
2161                 */
2162
2163                 LocalPlayer* player = client.getEnv().getLocalPlayer();
2164                 float full_punch_interval = playeritem_toolcap.full_punch_interval;
2165                 float tool_reload_ratio = time_from_last_punch / full_punch_interval;
2166                 tool_reload_ratio = MYMIN(tool_reload_ratio, 1.0);
2167                 camera.update(player, busytime, screensize, tool_reload_ratio);
2168                 camera.step(dtime);
2169
2170                 v3f player_position = player->getPosition();
2171                 v3f camera_position = camera.getPosition();
2172                 v3f camera_direction = camera.getDirection();
2173                 f32 camera_fov = camera.getFovMax();
2174                 
2175                 if(!disable_camera_update){
2176                         client.getEnv().getClientMap().updateCamera(camera_position,
2177                                 camera_direction, camera_fov);
2178                 }
2179                 
2180                 // Update sound listener
2181                 sound->updateListener(camera.getCameraNode()->getPosition(),
2182                                 v3f(0,0,0), // velocity
2183                                 camera.getDirection(),
2184                                 camera.getCameraNode()->getUpVector());
2185                 sound->setListenerGain(g_settings->getFloat("sound_volume"));
2186
2187                 /*
2188                         Update sound maker
2189                 */
2190                 {
2191                         soundmaker.step(dtime);
2192                         
2193                         ClientMap &map = client.getEnv().getClientMap();
2194                         MapNode n = map.getNodeNoEx(player->getStandingNodePos());
2195                         soundmaker.m_player_step_sound = nodedef->get(n).sound_footstep;
2196                 }
2197
2198                 /*
2199                         Calculate what block is the crosshair pointing to
2200                 */
2201                 
2202                 //u32 t1 = device->getTimer()->getRealTime();
2203                 
2204                 f32 d = 4; // max. distance
2205                 core::line3d<f32> shootline(camera_position,
2206                                 camera_position + camera_direction * BS * (d+1));
2207
2208                 ClientActiveObject *selected_object = NULL;
2209
2210                 PointedThing pointed = getPointedThing(
2211                                 // input
2212                                 &client, player_position, camera_direction,
2213                                 camera_position, shootline, d,
2214                                 playeritem_liquids_pointable, !ldown_for_dig,
2215                                 // output
2216                                 hilightboxes,
2217                                 selected_object);
2218
2219                 if(pointed != pointed_old)
2220                 {
2221                         infostream<<"Pointing at "<<pointed.dump()<<std::endl;
2222                         //dstream<<"Pointing at "<<pointed.dump()<<std::endl;
2223                 }
2224
2225                 /*
2226                         Stop digging when
2227                         - releasing left mouse button
2228                         - pointing away from node
2229                 */
2230                 if(digging)
2231                 {
2232                         if(input->getLeftReleased())
2233                         {
2234                                 infostream<<"Left button released"
2235                                         <<" (stopped digging)"<<std::endl;
2236                                 digging = false;
2237                         }
2238                         else if(pointed != pointed_old)
2239                         {
2240                                 if (pointed.type == POINTEDTHING_NODE
2241                                         && pointed_old.type == POINTEDTHING_NODE
2242                                         && pointed.node_undersurface == pointed_old.node_undersurface)
2243                                 {
2244                                         // Still pointing to the same node,
2245                                         // but a different face. Don't reset.
2246                                 }
2247                                 else
2248                                 {
2249                                         infostream<<"Pointing away from node"
2250                                                 <<" (stopped digging)"<<std::endl;
2251                                         digging = false;
2252                                 }
2253                         }
2254                         if(!digging)
2255                         {
2256                                 client.interact(1, pointed_old);
2257                                 client.setCrack(-1, v3s16(0,0,0));
2258                                 dig_time = 0.0;
2259                         }
2260                 }
2261                 if(!digging && ldown_for_dig && !input->getLeftState())
2262                 {
2263                         ldown_for_dig = false;
2264                 }
2265
2266                 bool left_punch = false;
2267                 soundmaker.m_player_leftpunch_sound.name = "";
2268
2269                 if(playeritem_usable && input->getLeftState())
2270                 {
2271                         if(input->getLeftClicked())
2272                                 client.interact(4, pointed);
2273                 }
2274                 else if(pointed.type == POINTEDTHING_NODE)
2275                 {
2276                         v3s16 nodepos = pointed.node_undersurface;
2277                         v3s16 neighbourpos = pointed.node_abovesurface;
2278
2279                         /*
2280                                 Check information text of node
2281                         */
2282                         
2283                         ClientMap &map = client.getEnv().getClientMap();
2284                         NodeMetadata *meta = map.getNodeMetadata(nodepos);
2285                         if(meta){
2286                                 infotext = narrow_to_wide(meta->getString("infotext"));
2287                         } else {
2288                                 MapNode n = map.getNode(nodepos);
2289                                 if(nodedef->get(n).tiledef[0].name == "unknown_block.png"){
2290                                         infotext = L"Unknown node: ";
2291                                         infotext += narrow_to_wide(nodedef->get(n).name);
2292                                 }
2293                         }
2294                         
2295                         // We can't actually know, but assume the sound of right-clicking
2296                         // to be the sound of placing a node
2297                         soundmaker.m_player_rightpunch_sound.gain = 0.5;
2298                         soundmaker.m_player_rightpunch_sound.name = "default_place_node";
2299                         
2300                         /*
2301                                 Handle digging
2302                         */
2303                         
2304                         if(nodig_delay_timer <= 0.0 && input->getLeftState())
2305                         {
2306                                 if(!digging)
2307                                 {
2308                                         infostream<<"Started digging"<<std::endl;
2309                                         client.interact(0, pointed);
2310                                         digging = true;
2311                                         ldown_for_dig = true;
2312                                 }
2313                                 MapNode n = client.getEnv().getClientMap().getNode(nodepos);
2314                                 
2315                                 // NOTE: Similar piece of code exists on the server side for
2316                                 // cheat detection.
2317                                 // Get digging parameters
2318                                 DigParams params = getDigParams(nodedef->get(n).groups,
2319                                                 &playeritem_toolcap);
2320                                 // If can't dig, try hand
2321                                 if(!params.diggable){
2322                                         const ItemDefinition &hand = itemdef->get("");
2323                                         const ToolCapabilities *tp = hand.tool_capabilities;
2324                                         if(tp)
2325                                                 params = getDigParams(nodedef->get(n).groups, tp);
2326                                 }
2327                                 
2328                                 SimpleSoundSpec sound_dig = nodedef->get(n).sound_dig;
2329                                 if(sound_dig.exists()){
2330                                         if(sound_dig.name == "__group"){
2331                                                 if(params.main_group != ""){
2332                                                         soundmaker.m_player_leftpunch_sound.gain = 0.5;
2333                                                         soundmaker.m_player_leftpunch_sound.name =
2334                                                                         std::string("default_dig_") +
2335                                                                                         params.main_group;
2336                                                 }
2337                                         } else{
2338                                                 soundmaker.m_player_leftpunch_sound = sound_dig;
2339                                         }
2340                                 }
2341
2342                                 float dig_time_complete = 0.0;
2343
2344                                 if(params.diggable == false)
2345                                 {
2346                                         // I guess nobody will wait for this long
2347                                         dig_time_complete = 10000000.0;
2348                                 }
2349                                 else
2350                                 {
2351                                         dig_time_complete = params.time;
2352                                 }
2353
2354                                 if(dig_time_complete >= 0.001)
2355                                 {
2356                                         dig_index = (u16)((float)crack_animation_length
2357                                                         * dig_time/dig_time_complete);
2358                                 }
2359                                 // This is for torches
2360                                 else
2361                                 {
2362                                         dig_index = crack_animation_length;
2363                                 }
2364
2365                                 // Don't show cracks if not diggable
2366                                 if(dig_time_complete >= 100000.0)
2367                                 {
2368                                 }
2369                                 else if(dig_index < crack_animation_length)
2370                                 {
2371                                         //TimeTaker timer("client.setTempMod");
2372                                         //infostream<<"dig_index="<<dig_index<<std::endl;
2373                                         client.setCrack(dig_index, nodepos);
2374                                 }
2375                                 else
2376                                 {
2377                                         infostream<<"Digging completed"<<std::endl;
2378                                         client.interact(2, pointed);
2379                                         client.setCrack(-1, v3s16(0,0,0));
2380                                         MapNode wasnode = map.getNode(nodepos);
2381                                         client.removeNode(nodepos);
2382
2383                                         dig_time = 0;
2384                                         digging = false;
2385
2386                                         nodig_delay_timer = dig_time_complete
2387                                                         / (float)crack_animation_length;
2388
2389                                         // We don't want a corresponding delay to
2390                                         // very time consuming nodes
2391                                         if(nodig_delay_timer > 0.3)
2392                                                 nodig_delay_timer = 0.3;
2393                                         // We want a slight delay to very little
2394                                         // time consuming nodes
2395                                         float mindelay = 0.15;
2396                                         if(nodig_delay_timer < mindelay)
2397                                                 nodig_delay_timer = mindelay;
2398                                         
2399                                         // Send event to trigger sound
2400                                         MtEvent *e = new NodeDugEvent(nodepos, wasnode);
2401                                         gamedef->event()->put(e);
2402                                 }
2403
2404                                 dig_time += dtime;
2405
2406                                 camera.setDigging(0);  // left click animation
2407                         }
2408
2409                         if(input->getRightClicked())
2410                         {
2411                                 infostream<<"Ground right-clicked"<<std::endl;
2412                                 
2413                                 // Sign special case, at least until formspec is properly implemented.
2414                                 // Deprecated?
2415                                 if(meta && meta->getString("formspec") == "hack:sign_text_input" && !random_input)
2416                                 {
2417                                         infostream<<"Launching metadata text input"<<std::endl;
2418                                         
2419                                         // Get a new text for it
2420
2421                                         TextDest *dest = new TextDestNodeMetadata(nodepos, &client);
2422
2423                                         std::wstring wtext = narrow_to_wide(meta->getString("text"));
2424
2425                                         (new GUITextInputMenu(guienv, guiroot, -1,
2426                                                         &g_menumgr, dest,
2427                                                         wtext))->drop();
2428                                 }
2429                                 // If metadata provides an inventory view, activate it
2430                                 else if(meta && meta->getString("formspec") != "" && !random_input)
2431                                 {
2432                                         infostream<<"Launching custom inventory view"<<std::endl;
2433
2434                                         InventoryLocation inventoryloc;
2435                                         inventoryloc.setNodeMeta(nodepos);
2436                                         
2437                                         /* Create menu */
2438
2439                                         GUIFormSpecMenu *menu =
2440                                                 new GUIFormSpecMenu(device, guiroot, -1,
2441                                                         &g_menumgr,
2442                                                         &client, gamedef);
2443                                         menu->setFormSpec(meta->getString("formspec"),
2444                                                         inventoryloc);
2445                                         menu->setFormSource(new NodeMetadataFormSource(
2446                                                         &client.getEnv().getClientMap(), nodepos));
2447                                         menu->setTextDest(new TextDestNodeMetadata(nodepos, &client));
2448                                         menu->drop();
2449                                 }
2450                                 // Otherwise report right click to server
2451                                 else
2452                                 {
2453                                         // Report to server
2454                                         client.interact(3, pointed);
2455                                         camera.setDigging(1);  // right click animation
2456                                         
2457                                         // If the wielded item has node placement prediction,
2458                                         // make that happen
2459                                         const ItemDefinition &def =
2460                                                         playeritem.getDefinition(itemdef);
2461                                         if(def.node_placement_prediction != "")
2462                                         do{ // breakable
2463                                                 verbosestream<<"Node placement prediction for "
2464                                                                 <<playeritem.name<<" is "
2465                                                                 <<def.node_placement_prediction<<std::endl;
2466                                                 v3s16 p = neighbourpos;
2467                                                 // Place inside node itself if buildable_to
2468                                                 try{
2469                                                         MapNode n_under = map.getNode(nodepos);
2470                                                         if(nodedef->get(n_under).buildable_to)
2471                                                                 p = nodepos;
2472                                                 }catch(InvalidPositionException &e){}
2473                                                 // Find id of predicted node
2474                                                 content_t id;
2475                                                 bool found =
2476                                                         nodedef->getId(def.node_placement_prediction, id);
2477                                                 if(!found){
2478                                                         errorstream<<"Node placement prediction failed for "
2479                                                                         <<playeritem.name<<" (places "
2480                                                                         <<def.node_placement_prediction
2481                                                                         <<") - Name not known"<<std::endl;
2482                                                         break;
2483                                                 }
2484                                                 MapNode n(id);
2485                                                 try{
2486                                                         // This triggers the required mesh update too
2487                                                         client.addNode(p, n);
2488                                                 }catch(InvalidPositionException &e){
2489                                                         errorstream<<"Node placement prediction failed for "
2490                                                                         <<playeritem.name<<" (places "
2491                                                                         <<def.node_placement_prediction
2492                                                                         <<") - Position not loaded"<<std::endl;
2493                                                 }
2494                                         }while(0);
2495                                 }
2496                         }
2497                 }
2498                 else if(pointed.type == POINTEDTHING_OBJECT)
2499                 {
2500                         infotext = narrow_to_wide(selected_object->infoText());
2501
2502                         if(infotext == L"" && show_debug){
2503                                 infotext = narrow_to_wide(selected_object->debugInfoText());
2504                         }
2505
2506                         //if(input->getLeftClicked())
2507                         if(input->getLeftState())
2508                         {
2509                                 bool do_punch = false;
2510                                 bool do_punch_damage = false;
2511                                 if(object_hit_delay_timer <= 0.0){
2512                                         do_punch = true;
2513                                         do_punch_damage = true;
2514                                         object_hit_delay_timer = object_hit_delay;
2515                                 }
2516                                 if(input->getLeftClicked()){
2517                                         do_punch = true;
2518                                 }
2519                                 if(do_punch){
2520                                         infostream<<"Left-clicked object"<<std::endl;
2521                                         left_punch = true;
2522                                 }
2523                                 if(do_punch_damage){
2524                                         // Report direct punch
2525                                         v3f objpos = selected_object->getPosition();
2526                                         v3f dir = (objpos - player_position).normalize();
2527                                         
2528                                         bool disable_send = selected_object->directReportPunch(
2529                                                         dir, &playeritem, time_from_last_punch);
2530                                         time_from_last_punch = 0;
2531                                         if(!disable_send)
2532                                                 client.interact(0, pointed);
2533                                 }
2534                         }
2535                         else if(input->getRightClicked())
2536                         {
2537                                 infostream<<"Right-clicked object"<<std::endl;
2538                                 client.interact(3, pointed);  // place
2539                         }
2540                 }
2541                 else if(input->getLeftState())
2542                 {
2543                         // When button is held down in air, show continuous animation
2544                         left_punch = true;
2545                 }
2546
2547                 pointed_old = pointed;
2548                 
2549                 if(left_punch || input->getLeftClicked())
2550                 {
2551                         camera.setDigging(0); // left click animation
2552                 }
2553
2554                 input->resetLeftClicked();
2555                 input->resetRightClicked();
2556
2557                 input->resetLeftReleased();
2558                 input->resetRightReleased();
2559                 
2560                 /*
2561                         Calculate stuff for drawing
2562                 */
2563
2564                 /*
2565                         Fog range
2566                 */
2567         
2568                 if(farmesh)
2569                 {
2570                         fog_range = BS*farmesh_range;
2571                 }
2572                 else
2573                 {
2574                         fog_range = draw_control.wanted_range*BS + 0.0*MAP_BLOCKSIZE*BS;
2575                         fog_range *= 0.9;
2576                         if(draw_control.range_all)
2577                                 fog_range = 100000*BS;
2578                 }
2579
2580                 /*
2581                         Calculate general brightness
2582                 */
2583                 u32 daynight_ratio = client.getEnv().getDayNightRatio();
2584                 float time_brightness = decode_light_f((float)daynight_ratio/1000.0);
2585                 float direct_brightness = 0;
2586                 bool sunlight_seen = false;
2587                 if(g_settings->getBool("free_move")){
2588                         direct_brightness = time_brightness;
2589                         sunlight_seen = true;
2590                 } else {
2591                         ScopeProfiler sp(g_profiler, "Detecting background light", SPT_AVG);
2592                         float old_brightness = sky->getBrightness();
2593                         direct_brightness = (float)client.getEnv().getClientMap()
2594                                         .getBackgroundBrightness(MYMIN(fog_range*1.2, 60*BS),
2595                                         daynight_ratio, (int)(old_brightness*255.5), &sunlight_seen)
2596                                         / 255.0;
2597                 }
2598                 
2599                 time_of_day = client.getEnv().getTimeOfDayF();
2600                 float maxsm = 0.05;
2601                 if(fabs(time_of_day - time_of_day_smooth) > maxsm &&
2602                                 fabs(time_of_day - time_of_day_smooth + 1.0) > maxsm &&
2603                                 fabs(time_of_day - time_of_day_smooth - 1.0) > maxsm)
2604                         time_of_day_smooth = time_of_day;
2605                 float todsm = 0.05;
2606                 if(time_of_day_smooth > 0.8 && time_of_day < 0.2)
2607                         time_of_day_smooth = time_of_day_smooth * (1.0-todsm)
2608                                         + (time_of_day+1.0) * todsm;
2609                 else
2610                         time_of_day_smooth = time_of_day_smooth * (1.0-todsm)
2611                                         + time_of_day * todsm;
2612                         
2613                 sky->update(time_of_day_smooth, time_brightness, direct_brightness,
2614                                 sunlight_seen);
2615                 
2616                 float brightness = sky->getBrightness();
2617                 video::SColor bgcolor = sky->getBgColor();
2618                 video::SColor skycolor = sky->getSkyColor();
2619
2620                 /*
2621                         Update clouds
2622                 */
2623                 if(clouds){
2624                         if(sky->getCloudsVisible()){
2625                                 clouds->setVisible(true);
2626                                 clouds->step(dtime);
2627                                 clouds->update(v2f(player_position.X, player_position.Z),
2628                                                 sky->getCloudColor());
2629                         } else{
2630                                 clouds->setVisible(false);
2631                         }
2632                 }
2633                 
2634                 /*
2635                         Update farmesh
2636                 */
2637                 if(farmesh)
2638                 {
2639                         farmesh_range = draw_control.wanted_range * 10;
2640                         if(draw_control.range_all && farmesh_range < 500)
2641                                 farmesh_range = 500;
2642                         if(farmesh_range > 1000)
2643                                 farmesh_range = 1000;
2644
2645                         farmesh->step(dtime);
2646                         farmesh->update(v2f(player_position.X, player_position.Z),
2647                                         brightness, farmesh_range);
2648                 }
2649                 
2650                 /*
2651                         Fog
2652                 */
2653                 
2654                 if(g_settings->getBool("enable_fog") == true && !force_fog_off)
2655                 {
2656                         driver->setFog(
2657                                 bgcolor,
2658                                 video::EFT_FOG_LINEAR,
2659                                 fog_range*0.4,
2660                                 fog_range*1.0,
2661                                 0.01,
2662                                 false, // pixel fog
2663                                 false // range fog
2664                         );
2665                 }
2666                 else
2667                 {
2668                         driver->setFog(
2669                                 bgcolor,
2670                                 video::EFT_FOG_LINEAR,
2671                                 100000*BS,
2672                                 110000*BS,
2673                                 0.01,
2674                                 false, // pixel fog
2675                                 false // range fog
2676                         );
2677                 }
2678
2679                 /*
2680                         Update gui stuff (0ms)
2681                 */
2682
2683                 //TimeTaker guiupdatetimer("Gui updating");
2684                 
2685                 const char program_name_and_version[] =
2686                         "Minetest " VERSION_STRING;
2687
2688                 if(show_debug)
2689                 {
2690                         static float drawtime_avg = 0;
2691                         drawtime_avg = drawtime_avg * 0.95 + (float)drawtime*0.05;
2692                         /*static float beginscenetime_avg = 0;
2693                         beginscenetime_avg = beginscenetime_avg * 0.95 + (float)beginscenetime*0.05;
2694                         static float scenetime_avg = 0;
2695                         scenetime_avg = scenetime_avg * 0.95 + (float)scenetime*0.05;
2696                         static float endscenetime_avg = 0;
2697                         endscenetime_avg = endscenetime_avg * 0.95 + (float)endscenetime*0.05;*/
2698                         
2699                         char temptext[300];
2700                         snprintf(temptext, 300, "%s ("
2701                                         "R: range_all=%i"
2702                                         ")"
2703                                         " drawtime=%.0f, dtime_jitter = % .1f %%"
2704                                         ", v_range = %.1f, RTT = %.3f",
2705                                         program_name_and_version,
2706                                         draw_control.range_all,
2707                                         drawtime_avg,
2708                                         dtime_jitter1_max_fraction * 100.0,
2709                                         draw_control.wanted_range,
2710                                         client.getRTT()
2711                                         );
2712                         
2713                         guitext->setText(narrow_to_wide(temptext).c_str());
2714                         guitext->setVisible(true);
2715                 }
2716                 else if(show_hud || show_chat)
2717                 {
2718                         guitext->setText(narrow_to_wide(program_name_and_version).c_str());
2719                         guitext->setVisible(true);
2720                 }
2721                 else
2722                 {
2723                         guitext->setVisible(false);
2724                 }
2725                 
2726                 if(show_debug)
2727                 {
2728                         char temptext[300];
2729                         snprintf(temptext, 300,
2730                                         "(% .1f, % .1f, % .1f)"
2731                                         " (yaw = %.1f) (seed = %lli)",
2732                                         player_position.X/BS,
2733                                         player_position.Y/BS,
2734                                         player_position.Z/BS,
2735                                         wrapDegrees_0_360(camera_yaw),
2736                                         client.getMapSeed());
2737
2738                         guitext2->setText(narrow_to_wide(temptext).c_str());
2739                         guitext2->setVisible(true);
2740                 }
2741                 else
2742                 {
2743                         guitext2->setVisible(false);
2744                 }
2745                 
2746                 {
2747                         guitext_info->setText(infotext.c_str());
2748                         guitext_info->setVisible(show_hud && g_menumgr.menuCount() == 0);
2749                 }
2750
2751                 {
2752                         float statustext_time_max = 1.5;
2753                         if(!statustext.empty())
2754                         {
2755                                 statustext_time += dtime;
2756                                 if(statustext_time >= statustext_time_max)
2757                                 {
2758                                         statustext = L"";
2759                                         statustext_time = 0;
2760                                 }
2761                         }
2762                         guitext_status->setText(statustext.c_str());
2763                         guitext_status->setVisible(!statustext.empty());
2764
2765                         if(!statustext.empty())
2766                         {
2767                                 s32 status_y = screensize.Y - 130;
2768                                 core::rect<s32> rect(
2769                                                 10,
2770                                                 status_y - guitext_status->getTextHeight(),
2771                                                 screensize.X - 10,
2772                                                 status_y
2773                                 );
2774                                 guitext_status->setRelativePosition(rect);
2775
2776                                 // Fade out
2777                                 video::SColor initial_color(255,0,0,0);
2778                                 if(guienv->getSkin())
2779                                         initial_color = guienv->getSkin()->getColor(gui::EGDC_BUTTON_TEXT);
2780                                 video::SColor final_color = initial_color;
2781                                 final_color.setAlpha(0);
2782                                 video::SColor fade_color =
2783                                         initial_color.getInterpolated_quadratic(
2784                                                 initial_color,
2785                                                 final_color,
2786                                                 pow(statustext_time / (float)statustext_time_max, 2.0f));
2787                                 guitext_status->setOverrideColor(fade_color);
2788                                 guitext_status->enableOverrideColor(true);
2789                         }
2790                 }
2791                 
2792                 /*
2793                         Get chat messages from client
2794                 */
2795                 {
2796                         // Get new messages from error log buffer
2797                         while(!chat_log_error_buf.empty())
2798                         {
2799                                 chat_backend.addMessage(L"", narrow_to_wide(
2800                                                 chat_log_error_buf.get()));
2801                         }
2802                         // Get new messages from client
2803                         std::wstring message;
2804                         while(client.getChatMessage(message))
2805                         {
2806                                 chat_backend.addUnparsedMessage(message);
2807                         }
2808                         // Remove old messages
2809                         chat_backend.step(dtime);
2810
2811                         // Display all messages in a static text element
2812                         u32 recent_chat_count = chat_backend.getRecentBuffer().getLineCount();
2813                         std::wstring recent_chat = chat_backend.getRecentChat();
2814                         guitext_chat->setText(recent_chat.c_str());
2815
2816                         // Update gui element size and position
2817                         s32 chat_y = 5+(text_height+5);
2818                         if(show_debug)
2819                                 chat_y += (text_height+5);
2820                         core::rect<s32> rect(
2821                                 10,
2822                                 chat_y,
2823                                 screensize.X - 10,
2824                                 chat_y + guitext_chat->getTextHeight()
2825                         );
2826                         guitext_chat->setRelativePosition(rect);
2827
2828                         // Don't show chat if disabled or empty or profiler is enabled
2829                         guitext_chat->setVisible(show_chat && recent_chat_count != 0
2830                                         && !show_profiler);
2831                 }
2832
2833                 /*
2834                         Inventory
2835                 */
2836                 
2837                 if(client.getPlayerItem() != new_playeritem)
2838                 {
2839                         client.selectPlayerItem(new_playeritem);
2840                 }
2841                 if(client.getLocalInventoryUpdated())
2842                 {
2843                         //infostream<<"Updating local inventory"<<std::endl;
2844                         client.getLocalInventory(local_inventory);
2845                         
2846                         update_wielded_item_trigger = true;
2847                 }
2848                 if(update_wielded_item_trigger)
2849                 {
2850                         update_wielded_item_trigger = false;
2851                         // Update wielded tool
2852                         InventoryList *mlist = local_inventory.getList("main");
2853                         ItemStack item;
2854                         if(mlist != NULL)
2855                                 item = mlist->getItem(client.getPlayerItem());
2856                         camera.wield(item);
2857                 }
2858
2859                 /*
2860                         Update block draw list every 200ms or when camera direction has
2861                         changed much
2862                 */
2863                 update_draw_list_timer += dtime;
2864                 if(update_draw_list_timer >= 0.2 ||
2865                                 update_draw_list_last_cam_dir.getDistanceFrom(camera_direction) > 0.2){
2866                         update_draw_list_timer = 0;
2867                         client.getEnv().getClientMap().updateDrawList(driver);
2868                         update_draw_list_last_cam_dir = camera_direction;
2869                 }
2870
2871                 /*
2872                         Drawing begins
2873                 */
2874
2875                 TimeTaker tt_draw("mainloop: draw");
2876
2877                 
2878                 {
2879                         TimeTaker timer("beginScene");
2880                         //driver->beginScene(false, true, bgcolor);
2881                         //driver->beginScene(true, true, bgcolor);
2882                         driver->beginScene(true, true, skycolor);
2883                         beginscenetime = timer.stop(true);
2884                 }
2885                 
2886                 //timer3.stop();
2887         
2888                 //infostream<<"smgr->drawAll()"<<std::endl;
2889                 {
2890                         TimeTaker timer("smgr");
2891                         smgr->drawAll();
2892                         
2893                         if(g_settings->getBool("anaglyph"))
2894                         {
2895                                 irr::core::vector3df oldPosition = camera.getCameraNode()->getPosition();
2896                                 irr::core::vector3df oldTarget   = camera.getCameraNode()->getTarget();
2897
2898                                 irr::core::matrix4 startMatrix   = camera.getCameraNode()->getAbsoluteTransformation();
2899
2900                                 irr::core::vector3df focusPoint  = (camera.getCameraNode()->getTarget() -
2901                                                                                  camera.getCameraNode()->getAbsolutePosition()).setLength(1) +
2902                                                                                  camera.getCameraNode()->getAbsolutePosition() ;
2903
2904                                 //Left eye...
2905                                 irr::core::vector3df leftEye;
2906                                 irr::core::matrix4   leftMove;
2907
2908                                 leftMove.setTranslation( irr::core::vector3df(-g_settings->getFloat("anaglyph_strength"),0.0f,0.0f) );
2909                                 leftEye=(startMatrix*leftMove).getTranslation();
2910
2911                                 //clear the depth buffer, and color
2912                                 driver->beginScene( true, true, irr::video::SColor(0,200,200,255) );
2913
2914                                 driver->getOverrideMaterial().Material.ColorMask = irr::video::ECP_RED;
2915                                 driver->getOverrideMaterial().EnableFlags  = irr::video::EMF_COLOR_MASK;
2916                                 driver->getOverrideMaterial().EnablePasses = irr::scene::ESNRP_SKY_BOX + 
2917                                                                                                                          irr::scene::ESNRP_SOLID +
2918                                                                                                                          irr::scene::ESNRP_TRANSPARENT +
2919                                                                                                                          irr::scene::ESNRP_TRANSPARENT_EFFECT +
2920                                                                                                                          irr::scene::ESNRP_SHADOW;
2921
2922                                 camera.getCameraNode()->setPosition( leftEye );
2923                                 camera.getCameraNode()->setTarget( focusPoint );
2924
2925                                 smgr->drawAll(); // 'smgr->drawAll();' may go here
2926
2927
2928                                 //Right eye...
2929                                 irr::core::vector3df rightEye;
2930                                 irr::core::matrix4   rightMove;
2931
2932                                 rightMove.setTranslation( irr::core::vector3df(g_settings->getFloat("anaglyph_strength"),0.0f,0.0f) );
2933                                 rightEye=(startMatrix*rightMove).getTranslation();
2934
2935                                 //clear the depth buffer
2936                                 driver->clearZBuffer();
2937
2938                                 driver->getOverrideMaterial().Material.ColorMask = irr::video::ECP_GREEN + irr::video::ECP_BLUE;
2939                                 driver->getOverrideMaterial().EnableFlags  = irr::video::EMF_COLOR_MASK;
2940                                 driver->getOverrideMaterial().EnablePasses = irr::scene::ESNRP_SKY_BOX +
2941                                                                                                                          irr::scene::ESNRP_SOLID +
2942                                                                                                                          irr::scene::ESNRP_TRANSPARENT +
2943                                                                                                                          irr::scene::ESNRP_TRANSPARENT_EFFECT +
2944                                                                                                                          irr::scene::ESNRP_SHADOW;
2945
2946                                 camera.getCameraNode()->setPosition( rightEye );
2947                                 camera.getCameraNode()->setTarget( focusPoint );
2948
2949                                 smgr->drawAll(); // 'smgr->drawAll();' may go here
2950
2951
2952                                 //driver->endScene();
2953
2954                                 driver->getOverrideMaterial().Material.ColorMask=irr::video::ECP_ALL;
2955                                 driver->getOverrideMaterial().EnableFlags=0;
2956                                 driver->getOverrideMaterial().EnablePasses=0;
2957
2958                                 camera.getCameraNode()->setPosition( oldPosition );
2959                                 camera.getCameraNode()->setTarget( oldTarget );
2960                         }
2961
2962                         scenetime = timer.stop(true);
2963                 }
2964                 
2965                 {
2966                 //TimeTaker timer9("auxiliary drawings");
2967                 // 0ms
2968                 
2969                 //timer9.stop();
2970                 //TimeTaker //timer10("//timer10");
2971                 
2972                 video::SMaterial m;
2973                 //m.Thickness = 10;
2974                 m.Thickness = 3;
2975                 m.Lighting = false;
2976                 driver->setMaterial(m);
2977
2978                 driver->setTransform(video::ETS_WORLD, core::IdentityMatrix);
2979
2980                 if(show_hud)
2981                 {
2982                         v3f selectionbox_color = g_settings->getV3F("selectionbox_color");
2983                         u32 selectionbox_color_r = rangelim(myround(selectionbox_color.X), 0, 255);
2984                         u32 selectionbox_color_g = rangelim(myround(selectionbox_color.Y), 0, 255);
2985                         u32 selectionbox_color_b = rangelim(myround(selectionbox_color.Z), 0, 255);
2986
2987                         for(std::vector<aabb3f>::const_iterator
2988                                         i = hilightboxes.begin();
2989                                         i != hilightboxes.end(); i++)
2990                         {
2991                                 /*infostream<<"hilightbox min="
2992                                                 <<"("<<i->MinEdge.X<<","<<i->MinEdge.Y<<","<<i->MinEdge.Z<<")"
2993                                                 <<" max="
2994                                                 <<"("<<i->MaxEdge.X<<","<<i->MaxEdge.Y<<","<<i->MaxEdge.Z<<")"
2995                                                 <<std::endl;*/
2996                                 driver->draw3DBox(*i, video::SColor(255,selectionbox_color_r,selectionbox_color_g,selectionbox_color_b));
2997                         }
2998                 }
2999
3000                 /*
3001                         Wielded tool
3002                 */
3003                 if(show_hud)
3004                 {
3005                         // Warning: This clears the Z buffer.
3006                         camera.drawWieldedTool();
3007                 }
3008
3009                 /*
3010                         Post effects
3011                 */
3012                 {
3013                         client.getEnv().getClientMap().renderPostFx();
3014                 }
3015
3016                 /*
3017                         Profiler graph
3018                 */
3019                 if(show_profiler_graph)
3020                 {
3021                         graph.draw(10, screensize.Y - 10, driver, font);
3022                 }
3023
3024                 /*
3025                         Draw crosshair
3026                 */
3027                 if(show_hud)
3028                 {
3029                         v3f crosshair_color = g_settings->getV3F("crosshair_color");
3030                         u32 crosshair_color_r = rangelim(myround(crosshair_color.X), 0, 255);
3031                         u32 crosshair_color_g = rangelim(myround(crosshair_color.Y), 0, 255);
3032                         u32 crosshair_color_b = rangelim(myround(crosshair_color.Z), 0, 255);
3033                         u32 crosshair_alpha = rangelim(g_settings->getS32("crosshair_alpha"), 0, 255);
3034
3035                         driver->draw2DLine(displaycenter - core::vector2d<s32>(10,0),
3036                                         displaycenter + core::vector2d<s32>(10,0),
3037                                         video::SColor(crosshair_alpha,crosshair_color_r,crosshair_color_g,crosshair_color_b));
3038                         driver->draw2DLine(displaycenter - core::vector2d<s32>(0,10),
3039                                         displaycenter + core::vector2d<s32>(0,10),
3040                                         video::SColor(crosshair_alpha,crosshair_color_r,crosshair_color_g,crosshair_color_b));
3041                 }
3042
3043                 } // timer
3044
3045                 //timer10.stop();
3046                 //TimeTaker //timer11("//timer11");
3047
3048
3049                 /*
3050                         Draw hotbar
3051                 */
3052                 if(show_hud)
3053                 {
3054                         draw_hotbar(driver, font, gamedef,
3055                                         v2s32(displaycenter.X, screensize.Y),
3056                                         hotbar_imagesize, hotbar_itemcount, &local_inventory,
3057                                         client.getHP(), client.getPlayerItem());
3058                 }
3059
3060                 /*
3061                         Damage flash
3062                 */
3063                 if(damage_flash > 0.0)
3064                 {
3065                         video::SColor color(std::min(damage_flash, 180.0f),180,0,0);
3066                         driver->draw2DRectangle(color,
3067                                         core::rect<s32>(0,0,screensize.X,screensize.Y),
3068                                         NULL);
3069                         
3070                         damage_flash -= 100.0*dtime;
3071                 }
3072
3073                 /*
3074                         Damage camera tilt
3075                 */
3076                 if(player->hurt_tilt_timer > 0.0)
3077                 {
3078                         player->hurt_tilt_timer -= dtime*5;
3079                         if(player->hurt_tilt_timer < 0)
3080                                 player->hurt_tilt_strength = 0;
3081                 }
3082
3083                 /*
3084                         Draw gui
3085                 */
3086                 // 0-1ms
3087                 guienv->drawAll();
3088
3089                 /*
3090                         End scene
3091                 */
3092                 {
3093                         TimeTaker timer("endScene");
3094                         endSceneX(driver);
3095                         endscenetime = timer.stop(true);
3096                 }
3097
3098                 drawtime = tt_draw.stop(true);
3099                 g_profiler->graphAdd("mainloop_draw", (float)drawtime/1000.0f);
3100
3101                 /*
3102                         End of drawing
3103                 */
3104
3105                 static s16 lastFPS = 0;
3106                 //u16 fps = driver->getFPS();
3107                 u16 fps = (1.0/dtime_avg1);
3108
3109                 if (lastFPS != fps)
3110                 {
3111                         core::stringw str = L"Minetest [";
3112                         str += driver->getName();
3113                         str += "] FPS=";
3114                         str += fps;
3115
3116                         device->setWindowCaption(str.c_str());
3117                         lastFPS = fps;
3118                 }
3119
3120                 /*
3121                         Log times and stuff for visualization
3122                 */
3123                 Profiler::GraphValues values;
3124                 g_profiler->graphGet(values);
3125                 graph.put(values);
3126         }
3127
3128         /*
3129                 Drop stuff
3130         */
3131         if(clouds)
3132                 clouds->drop();
3133         if(gui_chat_console)
3134                 gui_chat_console->drop();
3135         
3136         /*
3137                 Draw a "shutting down" screen, which will be shown while the map
3138                 generator and other stuff quits
3139         */
3140         {
3141                 /*gui::IGUIStaticText *gui_shuttingdowntext = */
3142                 draw_load_screen(L"Shutting down stuff...", driver, font);
3143                 /*driver->beginScene(true, true, video::SColor(255,0,0,0));
3144                 guienv->drawAll();
3145                 driver->endScene();
3146                 gui_shuttingdowntext->remove();*/
3147         }
3148
3149         chat_backend.addMessage(L"", L"# Disconnected.");
3150         chat_backend.addMessage(L"", L"");
3151
3152         // Client scope (client is destructed before destructing *def and tsrc)
3153         }while(0);
3154         } // try-catch
3155         catch(SerializationError &e)
3156         {
3157                 error_message = L"A serialization error occurred:\n"
3158                                 + narrow_to_wide(e.what()) + L"\n\nThe server is probably "
3159                                 L" running a different version of Minetest.";
3160                 errorstream<<wide_to_narrow(error_message)<<std::endl;
3161         }
3162         
3163         if(!sound_is_dummy)
3164                 delete sound;
3165
3166         delete tsrc;
3167         delete shsrc;
3168         delete nodedef;
3169         delete itemdef;
3170 }
3171
3172