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1 /*
2 Minetest
3 Copyright (C) 2010-2013 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 "IMeshCache.h"
29 #include "client.h"
30 #include "server.h"
31 #include "guiPasswordChange.h"
32 #include "guiVolumeChange.h"
33 #include "guiKeyChangeMenu.h"
34 #include "guiFormSpecMenu.h"
35 #include "tool.h"
36 #include "guiChatConsole.h"
37 #include "config.h"
38 #include "version.h"
39 #include "clouds.h"
40 #include "particles.h"
41 #include "camera.h"
42 #include "mapblock.h"
43 #include "settings.h"
44 #include "profiler.h"
45 #include "mainmenumanager.h"
46 #include "gettext.h"
47 #include "log.h"
48 #include "filesys.h"
49 // Needed for determining pointing to nodes
50 #include "nodedef.h"
51 #include "nodemetadata.h"
52 #include "main.h" // For g_settings
53 #include "itemdef.h"
54 #include "tile.h" // For TextureSource
55 #include "shader.h" // For ShaderSource
56 #include "logoutputbuffer.h"
57 #include "subgame.h"
58 #include "quicktune_shortcutter.h"
59 #include "clientmap.h"
60 #include "hud.h"
61 #include "sky.h"
62 #include "sound.h"
63 #if USE_SOUND
64 #include "sound_openal.h"
65 #endif
66 #include "event_manager.h"
67 #include <iomanip>
68 #include <list>
69 #include "util/directiontables.h"
70 #include "util/pointedthing.h"
71 #include "drawscene.h"
72 #include "content_cao.h"
73 #include "fontengine.h"
74
75 #ifdef HAVE_TOUCHSCREENGUI
76 #include "touchscreengui.h"
77 #endif
78
79 /*
80         Text input system
81 */
82
83 struct TextDestNodeMetadata : public TextDest {
84         TextDestNodeMetadata(v3s16 p, Client *client)
85         {
86                 m_p = p;
87                 m_client = client;
88         }
89         // This is deprecated I guess? -celeron55
90         void gotText(std::wstring text)
91         {
92                 std::string ntext = wide_to_narrow(text);
93                 infostream << "Submitting 'text' field of node at (" << m_p.X << ","
94                            << m_p.Y << "," << m_p.Z << "): " << ntext << std::endl;
95                 std::map<std::string, std::string> fields;
96                 fields["text"] = ntext;
97                 m_client->sendNodemetaFields(m_p, "", fields);
98         }
99         void gotText(std::map<std::string, std::string> fields)
100         {
101                 m_client->sendNodemetaFields(m_p, "", fields);
102         }
103
104         v3s16 m_p;
105         Client *m_client;
106 };
107
108 struct TextDestPlayerInventory : public TextDest {
109         TextDestPlayerInventory(Client *client)
110         {
111                 m_client = client;
112                 m_formname = "";
113         }
114         TextDestPlayerInventory(Client *client, std::string formname)
115         {
116                 m_client = client;
117                 m_formname = formname;
118         }
119         void gotText(std::map<std::string, std::string> fields)
120         {
121                 m_client->sendInventoryFields(m_formname, fields);
122         }
123
124         Client *m_client;
125 };
126
127 struct LocalFormspecHandler : public TextDest {
128         LocalFormspecHandler();
129         LocalFormspecHandler(std::string formname) :
130                 m_client(0)
131         {
132                 m_formname = formname;
133         }
134
135         LocalFormspecHandler(std::string formname, Client *client) :
136                 m_client(client)
137         {
138                 m_formname = formname;
139         }
140
141         void gotText(std::wstring message)
142         {
143                 errorstream << "LocalFormspecHandler::gotText old style message received" << std::endl;
144         }
145
146         void gotText(std::map<std::string, std::string> fields)
147         {
148                 if (m_formname == "MT_PAUSE_MENU") {
149                         if (fields.find("btn_sound") != fields.end()) {
150                                 g_gamecallback->changeVolume();
151                                 return;
152                         }
153
154                         if (fields.find("btn_key_config") != fields.end()) {
155                                 g_gamecallback->keyConfig();
156                                 return;
157                         }
158
159                         if (fields.find("btn_exit_menu") != fields.end()) {
160                                 g_gamecallback->disconnect();
161                                 return;
162                         }
163
164                         if (fields.find("btn_exit_os") != fields.end()) {
165                                 g_gamecallback->exitToOS();
166                                 return;
167                         }
168
169                         if (fields.find("btn_change_password") != fields.end()) {
170                                 g_gamecallback->changePassword();
171                                 return;
172                         }
173
174                         if (fields.find("quit") != fields.end()) {
175                                 return;
176                         }
177
178                         if (fields.find("btn_continue") != fields.end()) {
179                                 return;
180                         }
181                 }
182
183                 if (m_formname == "MT_CHAT_MENU") {
184                         assert(m_client != 0);
185
186                         if ((fields.find("btn_send") != fields.end()) ||
187                                         (fields.find("quit") != fields.end())) {
188                                 if (fields.find("f_text") != fields.end()) {
189                                         m_client->typeChatMessage(narrow_to_wide(fields["f_text"]));
190                                 }
191
192                                 return;
193                         }
194                 }
195
196                 if (m_formname == "MT_DEATH_SCREEN") {
197                         assert(m_client != 0);
198
199                         if ((fields.find("btn_respawn") != fields.end())) {
200                                 m_client->sendRespawn();
201                                 return;
202                         }
203
204                         if (fields.find("quit") != fields.end()) {
205                                 m_client->sendRespawn();
206                                 return;
207                         }
208                 }
209
210                 // don't show error message for unhandled cursor keys
211                 if ((fields.find("key_up") != fields.end()) ||
212                                 (fields.find("key_down") != fields.end()) ||
213                                 (fields.find("key_left") != fields.end()) ||
214                                 (fields.find("key_right") != fields.end())) {
215                         return;
216                 }
217
218                 errorstream << "LocalFormspecHandler::gotText unhandled >" << m_formname << "< event" << std::endl;
219                 int i = 0;
220
221                 for (std::map<std::string, std::string>::iterator iter = fields.begin();
222                                 iter != fields.end(); iter++) {
223                         errorstream << "\t" << i << ": " << iter->first << "=" << iter->second << std::endl;
224                         i++;
225                 }
226         }
227
228         Client *m_client;
229 };
230
231 /* Form update callback */
232
233 class NodeMetadataFormSource: public IFormSource
234 {
235 public:
236         NodeMetadataFormSource(ClientMap *map, v3s16 p):
237                 m_map(map),
238                 m_p(p)
239         {
240         }
241         std::string getForm()
242         {
243                 NodeMetadata *meta = m_map->getNodeMetadata(m_p);
244
245                 if (!meta)
246                         return "";
247
248                 return meta->getString("formspec");
249         }
250         std::string resolveText(std::string str)
251         {
252                 NodeMetadata *meta = m_map->getNodeMetadata(m_p);
253
254                 if (!meta)
255                         return str;
256
257                 return meta->resolveString(str);
258         }
259
260         ClientMap *m_map;
261         v3s16 m_p;
262 };
263
264 class PlayerInventoryFormSource: public IFormSource
265 {
266 public:
267         PlayerInventoryFormSource(Client *client):
268                 m_client(client)
269         {
270         }
271         std::string getForm()
272         {
273                 LocalPlayer *player = m_client->getEnv().getLocalPlayer();
274                 return player->inventory_formspec;
275         }
276
277         Client *m_client;
278 };
279
280 /*
281         Check if a node is pointable
282 */
283 inline bool isPointableNode(const MapNode &n,
284                             Client *client, bool liquids_pointable)
285 {
286         const ContentFeatures &features = client->getNodeDefManager()->get(n);
287         return features.pointable ||
288                (liquids_pointable && features.isLiquid());
289 }
290
291 /*
292         Find what the player is pointing at
293 */
294 PointedThing getPointedThing(Client *client, v3f player_position,
295                 v3f camera_direction, v3f camera_position, core::line3d<f32> shootline,
296                 f32 d, bool liquids_pointable, bool look_for_object, v3s16 camera_offset,
297                 std::vector<aabb3f> &hilightboxes, ClientActiveObject *&selected_object)
298 {
299         PointedThing result;
300
301         hilightboxes.clear();
302         selected_object = NULL;
303
304         INodeDefManager *nodedef = client->getNodeDefManager();
305         ClientMap &map = client->getEnv().getClientMap();
306
307         f32 mindistance = BS * 1001;
308
309         // First try to find a pointed at active object
310         if (look_for_object) {
311                 selected_object = client->getSelectedActiveObject(d * BS,
312                                   camera_position, shootline);
313
314                 if (selected_object != NULL) {
315                         if (selected_object->doShowSelectionBox()) {
316                                 aabb3f *selection_box = selected_object->getSelectionBox();
317                                 // Box should exist because object was
318                                 // returned in the first place
319                                 assert(selection_box);
320
321                                 v3f pos = selected_object->getPosition();
322                                 hilightboxes.push_back(aabb3f(
323                                                                selection_box->MinEdge + pos - intToFloat(camera_offset, BS),
324                                                                selection_box->MaxEdge + pos - intToFloat(camera_offset, BS)));
325                         }
326
327                         mindistance = (selected_object->getPosition() - camera_position).getLength();
328
329                         result.type = POINTEDTHING_OBJECT;
330                         result.object_id = selected_object->getId();
331                 }
332         }
333
334         // That didn't work, try to find a pointed at node
335
336
337         v3s16 pos_i = floatToInt(player_position, BS);
338
339         /*infostream<<"pos_i=("<<pos_i.X<<","<<pos_i.Y<<","<<pos_i.Z<<")"
340                         <<std::endl;*/
341
342         s16 a = d;
343         s16 ystart = pos_i.Y + 0 - (camera_direction.Y < 0 ? a : 1);
344         s16 zstart = pos_i.Z - (camera_direction.Z < 0 ? a : 1);
345         s16 xstart = pos_i.X - (camera_direction.X < 0 ? a : 1);
346         s16 yend = pos_i.Y + 1 + (camera_direction.Y > 0 ? a : 1);
347         s16 zend = pos_i.Z + (camera_direction.Z > 0 ? a : 1);
348         s16 xend = pos_i.X + (camera_direction.X > 0 ? a : 1);
349
350         // Prevent signed number overflow
351         if (yend == 32767)
352                 yend = 32766;
353
354         if (zend == 32767)
355                 zend = 32766;
356
357         if (xend == 32767)
358                 xend = 32766;
359
360         for (s16 y = ystart; y <= yend; y++)
361                 for (s16 z = zstart; z <= zend; z++)
362                         for (s16 x = xstart; x <= xend; x++) {
363                                 MapNode n;
364                                 bool is_valid_position;
365
366                                 n = map.getNodeNoEx(v3s16(x, y, z), &is_valid_position);
367                                 if (!is_valid_position)
368                                         continue;
369
370                                 if (!isPointableNode(n, client, liquids_pointable))
371                                         continue;
372
373                                 std::vector<aabb3f> boxes = n.getSelectionBoxes(nodedef);
374
375                                 v3s16 np(x, y, z);
376                                 v3f npf = intToFloat(np, BS);
377
378                                 for (std::vector<aabb3f>::const_iterator
379                                                 i = boxes.begin();
380                                                 i != boxes.end(); i++) {
381                                         aabb3f box = *i;
382                                         box.MinEdge += npf;
383                                         box.MaxEdge += npf;
384
385                                         for (u16 j = 0; j < 6; j++) {
386                                                 v3s16 facedir = g_6dirs[j];
387                                                 aabb3f facebox = box;
388
389                                                 f32 d = 0.001 * BS;
390
391                                                 if (facedir.X > 0)
392                                                         facebox.MinEdge.X = facebox.MaxEdge.X - d;
393                                                 else if (facedir.X < 0)
394                                                         facebox.MaxEdge.X = facebox.MinEdge.X + d;
395                                                 else if (facedir.Y > 0)
396                                                         facebox.MinEdge.Y = facebox.MaxEdge.Y - d;
397                                                 else if (facedir.Y < 0)
398                                                         facebox.MaxEdge.Y = facebox.MinEdge.Y + d;
399                                                 else if (facedir.Z > 0)
400                                                         facebox.MinEdge.Z = facebox.MaxEdge.Z - d;
401                                                 else if (facedir.Z < 0)
402                                                         facebox.MaxEdge.Z = facebox.MinEdge.Z + d;
403
404                                                 v3f centerpoint = facebox.getCenter();
405                                                 f32 distance = (centerpoint - camera_position).getLength();
406
407                                                 if (distance >= mindistance)
408                                                         continue;
409
410                                                 if (!facebox.intersectsWithLine(shootline))
411                                                         continue;
412
413                                                 v3s16 np_above = np + facedir;
414
415                                                 result.type = POINTEDTHING_NODE;
416                                                 result.node_undersurface = np;
417                                                 result.node_abovesurface = np_above;
418                                                 mindistance = distance;
419
420                                                 hilightboxes.clear();
421
422                                                 if (!g_settings->getBool("enable_node_highlighting")) {
423                                                         for (std::vector<aabb3f>::const_iterator
424                                                                         i2 = boxes.begin();
425                                                                         i2 != boxes.end(); i2++) {
426                                                                 aabb3f box = *i2;
427                                                                 box.MinEdge += npf + v3f(-d, -d, -d) - intToFloat(camera_offset, BS);
428                                                                 box.MaxEdge += npf + v3f(d, d, d) - intToFloat(camera_offset, BS);
429                                                                 hilightboxes.push_back(box);
430                                                         }
431                                                 }
432                                         }
433                                 }
434                         } // for coords
435
436         return result;
437 }
438
439 /* Profiler display */
440
441 void update_profiler_gui(gui::IGUIStaticText *guitext_profiler, FontEngine *fe,
442                 u32 show_profiler, u32 show_profiler_max, s32 screen_height)
443 {
444         if (show_profiler == 0) {
445                 guitext_profiler->setVisible(false);
446         } else {
447
448                 std::ostringstream os(std::ios_base::binary);
449                 g_profiler->printPage(os, show_profiler, show_profiler_max);
450                 std::wstring text = narrow_to_wide(os.str());
451                 guitext_profiler->setText(text.c_str());
452                 guitext_profiler->setVisible(true);
453
454                 s32 w = fe->getTextWidth(text.c_str());
455
456                 if (w < 400)
457                         w = 400;
458
459                 unsigned text_height = fe->getTextHeight();
460
461                 core::position2di upper_left, lower_right;
462
463                 upper_left.X  = 6;
464                 upper_left.Y  = (text_height + 5) * 2;
465                 lower_right.X = 12 + w;
466                 lower_right.Y = upper_left.Y + (text_height + 1) * MAX_PROFILER_TEXT_ROWS;
467
468                 if (lower_right.Y > screen_height * 2 / 3)
469                         lower_right.Y = screen_height * 2 / 3;
470
471                 core::rect<s32> rect(upper_left, lower_right);
472
473                 guitext_profiler->setRelativePosition(rect);
474                 guitext_profiler->setVisible(true);
475         }
476 }
477
478 class ProfilerGraph
479 {
480 private:
481         struct Piece {
482                 Profiler::GraphValues values;
483         };
484         struct Meta {
485                 float min;
486                 float max;
487                 video::SColor color;
488                 Meta(float initial = 0,
489                         video::SColor color = video::SColor(255, 255, 255, 255)):
490                         min(initial),
491                         max(initial),
492                         color(color)
493                 {}
494         };
495         std::list<Piece> m_log;
496 public:
497         u32 m_log_max_size;
498
499         ProfilerGraph():
500                 m_log_max_size(200)
501         {}
502
503         void put(const Profiler::GraphValues &values)
504         {
505                 Piece piece;
506                 piece.values = values;
507                 m_log.push_back(piece);
508
509                 while (m_log.size() > m_log_max_size)
510                         m_log.erase(m_log.begin());
511         }
512
513         void draw(s32 x_left, s32 y_bottom, video::IVideoDriver *driver,
514                   gui::IGUIFont *font) const
515         {
516                 std::map<std::string, Meta> m_meta;
517
518                 for (std::list<Piece>::const_iterator k = m_log.begin();
519                                 k != m_log.end(); k++) {
520                         const Piece &piece = *k;
521
522                         for (Profiler::GraphValues::const_iterator i = piece.values.begin();
523                                         i != piece.values.end(); i++) {
524                                 const std::string &id = i->first;
525                                 const float &value = i->second;
526                                 std::map<std::string, Meta>::iterator j =
527                                         m_meta.find(id);
528
529                                 if (j == m_meta.end()) {
530                                         m_meta[id] = Meta(value);
531                                         continue;
532                                 }
533
534                                 if (value < j->second.min)
535                                         j->second.min = value;
536
537                                 if (value > j->second.max)
538                                         j->second.max = value;
539                         }
540                 }
541
542                 // Assign colors
543                 static const video::SColor usable_colors[] = {
544                         video::SColor(255, 255, 100, 100),
545                         video::SColor(255, 90, 225, 90),
546                         video::SColor(255, 100, 100, 255),
547                         video::SColor(255, 255, 150, 50),
548                         video::SColor(255, 220, 220, 100)
549                 };
550                 static const u32 usable_colors_count =
551                         sizeof(usable_colors) / sizeof(*usable_colors);
552                 u32 next_color_i = 0;
553
554                 for (std::map<std::string, Meta>::iterator i = m_meta.begin();
555                                 i != m_meta.end(); i++) {
556                         Meta &meta = i->second;
557                         video::SColor color(255, 200, 200, 200);
558
559                         if (next_color_i < usable_colors_count)
560                                 color = usable_colors[next_color_i++];
561
562                         meta.color = color;
563                 }
564
565                 s32 graphh = 50;
566                 s32 textx = x_left + m_log_max_size + 15;
567                 s32 textx2 = textx + 200 - 15;
568
569                 // Draw background
570                 /*{
571                         u32 num_graphs = m_meta.size();
572                         core::rect<s32> rect(x_left, y_bottom - num_graphs*graphh,
573                                         textx2, y_bottom);
574                         video::SColor bgcolor(120,0,0,0);
575                         driver->draw2DRectangle(bgcolor, rect, NULL);
576                 }*/
577
578                 s32 meta_i = 0;
579
580                 for (std::map<std::string, Meta>::const_iterator i = m_meta.begin();
581                                 i != m_meta.end(); i++) {
582                         const std::string &id = i->first;
583                         const Meta &meta = i->second;
584                         s32 x = x_left;
585                         s32 y = y_bottom - meta_i * 50;
586                         float show_min = meta.min;
587                         float show_max = meta.max;
588
589                         if (show_min >= -0.0001 && show_max >= -0.0001) {
590                                 if (show_min <= show_max * 0.5)
591                                         show_min = 0;
592                         }
593
594                         s32 texth = 15;
595                         char buf[10];
596                         snprintf(buf, 10, "%.3g", show_max);
597                         font->draw(narrow_to_wide(buf).c_str(),
598                                         core::rect<s32>(textx, y - graphh,
599                                                    textx2, y - graphh + texth),
600                                         meta.color);
601                         snprintf(buf, 10, "%.3g", show_min);
602                         font->draw(narrow_to_wide(buf).c_str(),
603                                         core::rect<s32>(textx, y - texth,
604                                                    textx2, y),
605                                         meta.color);
606                         font->draw(narrow_to_wide(id).c_str(),
607                                         core::rect<s32>(textx, y - graphh / 2 - texth / 2,
608                                                    textx2, y - graphh / 2 + texth / 2),
609                                         meta.color);
610                         s32 graph1y = y;
611                         s32 graph1h = graphh;
612                         bool relativegraph = (show_min != 0 && show_min != show_max);
613                         float lastscaledvalue = 0.0;
614                         bool lastscaledvalue_exists = false;
615
616                         for (std::list<Piece>::const_iterator j = m_log.begin();
617                                         j != m_log.end(); j++) {
618                                 const Piece &piece = *j;
619                                 float value = 0;
620                                 bool value_exists = false;
621                                 Profiler::GraphValues::const_iterator k =
622                                         piece.values.find(id);
623
624                                 if (k != piece.values.end()) {
625                                         value = k->second;
626                                         value_exists = true;
627                                 }
628
629                                 if (!value_exists) {
630                                         x++;
631                                         lastscaledvalue_exists = false;
632                                         continue;
633                                 }
634
635                                 float scaledvalue = 1.0;
636
637                                 if (show_max != show_min)
638                                         scaledvalue = (value - show_min) / (show_max - show_min);
639
640                                 if (scaledvalue == 1.0 && value == 0) {
641                                         x++;
642                                         lastscaledvalue_exists = false;
643                                         continue;
644                                 }
645
646                                 if (relativegraph) {
647                                         if (lastscaledvalue_exists) {
648                                                 s32 ivalue1 = lastscaledvalue * graph1h;
649                                                 s32 ivalue2 = scaledvalue * graph1h;
650                                                 driver->draw2DLine(v2s32(x - 1, graph1y - ivalue1),
651                                                                    v2s32(x, graph1y - ivalue2), meta.color);
652                                         }
653
654                                         lastscaledvalue = scaledvalue;
655                                         lastscaledvalue_exists = true;
656                                 } else {
657                                         s32 ivalue = scaledvalue * graph1h;
658                                         driver->draw2DLine(v2s32(x, graph1y),
659                                                            v2s32(x, graph1y - ivalue), meta.color);
660                                 }
661
662                                 x++;
663                         }
664
665                         meta_i++;
666                 }
667         }
668 };
669
670 class NodeDugEvent: public MtEvent
671 {
672 public:
673         v3s16 p;
674         MapNode n;
675
676         NodeDugEvent(v3s16 p, MapNode n):
677                 p(p),
678                 n(n)
679         {}
680         const char *getType() const
681         {
682                 return "NodeDug";
683         }
684 };
685
686 class SoundMaker
687 {
688         ISoundManager *m_sound;
689         INodeDefManager *m_ndef;
690 public:
691         float m_player_step_timer;
692
693         SimpleSoundSpec m_player_step_sound;
694         SimpleSoundSpec m_player_leftpunch_sound;
695         SimpleSoundSpec m_player_rightpunch_sound;
696
697         SoundMaker(ISoundManager *sound, INodeDefManager *ndef):
698                 m_sound(sound),
699                 m_ndef(ndef),
700                 m_player_step_timer(0)
701         {
702         }
703
704         void playPlayerStep()
705         {
706                 if (m_player_step_timer <= 0 && m_player_step_sound.exists()) {
707                         m_player_step_timer = 0.03;
708                         m_sound->playSound(m_player_step_sound, false);
709                 }
710         }
711
712         static void viewBobbingStep(MtEvent *e, void *data)
713         {
714                 SoundMaker *sm = (SoundMaker *)data;
715                 sm->playPlayerStep();
716         }
717
718         static void playerRegainGround(MtEvent *e, void *data)
719         {
720                 SoundMaker *sm = (SoundMaker *)data;
721                 sm->playPlayerStep();
722         }
723
724         static void playerJump(MtEvent *e, void *data)
725         {
726                 //SoundMaker *sm = (SoundMaker*)data;
727         }
728
729         static void cameraPunchLeft(MtEvent *e, void *data)
730         {
731                 SoundMaker *sm = (SoundMaker *)data;
732                 sm->m_sound->playSound(sm->m_player_leftpunch_sound, false);
733         }
734
735         static void cameraPunchRight(MtEvent *e, void *data)
736         {
737                 SoundMaker *sm = (SoundMaker *)data;
738                 sm->m_sound->playSound(sm->m_player_rightpunch_sound, false);
739         }
740
741         static void nodeDug(MtEvent *e, void *data)
742         {
743                 SoundMaker *sm = (SoundMaker *)data;
744                 NodeDugEvent *nde = (NodeDugEvent *)e;
745                 sm->m_sound->playSound(sm->m_ndef->get(nde->n).sound_dug, false);
746         }
747
748         static void playerDamage(MtEvent *e, void *data)
749         {
750                 SoundMaker *sm = (SoundMaker *)data;
751                 sm->m_sound->playSound(SimpleSoundSpec("player_damage", 0.5), false);
752         }
753
754         static void playerFallingDamage(MtEvent *e, void *data)
755         {
756                 SoundMaker *sm = (SoundMaker *)data;
757                 sm->m_sound->playSound(SimpleSoundSpec("player_falling_damage", 0.5), false);
758         }
759
760         void registerReceiver(MtEventManager *mgr)
761         {
762                 mgr->reg("ViewBobbingStep", SoundMaker::viewBobbingStep, this);
763                 mgr->reg("PlayerRegainGround", SoundMaker::playerRegainGround, this);
764                 mgr->reg("PlayerJump", SoundMaker::playerJump, this);
765                 mgr->reg("CameraPunchLeft", SoundMaker::cameraPunchLeft, this);
766                 mgr->reg("CameraPunchRight", SoundMaker::cameraPunchRight, this);
767                 mgr->reg("NodeDug", SoundMaker::nodeDug, this);
768                 mgr->reg("PlayerDamage", SoundMaker::playerDamage, this);
769                 mgr->reg("PlayerFallingDamage", SoundMaker::playerFallingDamage, this);
770         }
771
772         void step(float dtime)
773         {
774                 m_player_step_timer -= dtime;
775         }
776 };
777
778 // Locally stored sounds don't need to be preloaded because of this
779 class GameOnDemandSoundFetcher: public OnDemandSoundFetcher
780 {
781         std::set<std::string> m_fetched;
782 public:
783         void fetchSounds(const std::string &name,
784                         std::set<std::string> &dst_paths,
785                         std::set<std::string> &dst_datas)
786         {
787                 if (m_fetched.count(name))
788                         return;
789
790                 m_fetched.insert(name);
791                 std::string base = porting::path_share + DIR_DELIM + "testsounds";
792                 dst_paths.insert(base + DIR_DELIM + name + ".ogg");
793                 dst_paths.insert(base + DIR_DELIM + name + ".0.ogg");
794                 dst_paths.insert(base + DIR_DELIM + name + ".1.ogg");
795                 dst_paths.insert(base + DIR_DELIM + name + ".2.ogg");
796                 dst_paths.insert(base + DIR_DELIM + name + ".3.ogg");
797                 dst_paths.insert(base + DIR_DELIM + name + ".4.ogg");
798                 dst_paths.insert(base + DIR_DELIM + name + ".5.ogg");
799                 dst_paths.insert(base + DIR_DELIM + name + ".6.ogg");
800                 dst_paths.insert(base + DIR_DELIM + name + ".7.ogg");
801                 dst_paths.insert(base + DIR_DELIM + name + ".8.ogg");
802                 dst_paths.insert(base + DIR_DELIM + name + ".9.ogg");
803         }
804 };
805
806 class GameGlobalShaderConstantSetter : public IShaderConstantSetter
807 {
808         Sky *m_sky;
809         bool *m_force_fog_off;
810         f32 *m_fog_range;
811         Client *m_client;
812         bool m_fogEnabled;
813
814 public:
815         void onSettingsChange(const std::string &name)
816         {
817                 if (name == "enable_fog")
818                         m_fogEnabled = g_settings->getBool("enable_fog");
819         }
820
821         static void SettingsCallback(const std::string name, void *userdata)
822         {
823                 reinterpret_cast<GameGlobalShaderConstantSetter*>(userdata)->onSettingsChange(name);
824         }
825
826         GameGlobalShaderConstantSetter(Sky *sky, bool *force_fog_off,
827                         f32 *fog_range, Client *client) :
828                 m_sky(sky),
829                 m_force_fog_off(force_fog_off),
830                 m_fog_range(fog_range),
831                 m_client(client)
832         {
833                 g_settings->registerChangedCallback("enable_fog", SettingsCallback, this);
834                 m_fogEnabled = g_settings->getBool("enable_fog");
835         }
836
837         ~GameGlobalShaderConstantSetter()
838         {
839                 g_settings->deregisterChangedCallback("enable_fog", SettingsCallback, this);
840         }
841
842         virtual void onSetConstants(video::IMaterialRendererServices *services,
843                         bool is_highlevel)
844         {
845                 if (!is_highlevel)
846                         return;
847
848                 // Background color
849                 video::SColor bgcolor = m_sky->getBgColor();
850                 video::SColorf bgcolorf(bgcolor);
851                 float bgcolorfa[4] = {
852                         bgcolorf.r,
853                         bgcolorf.g,
854                         bgcolorf.b,
855                         bgcolorf.a,
856                 };
857                 services->setPixelShaderConstant("skyBgColor", bgcolorfa, 4);
858
859                 // Fog distance
860                 float fog_distance = 10000 * BS;
861
862                 if (g_settings->getBool("enable_fog") && !*m_force_fog_off)
863                         fog_distance = *m_fog_range;
864
865                 services->setPixelShaderConstant("fogDistance", &fog_distance, 1);
866
867                 // Day-night ratio
868                 u32 daynight_ratio = m_client->getEnv().getDayNightRatio();
869                 float daynight_ratio_f = (float)daynight_ratio / 1000.0;
870                 services->setPixelShaderConstant("dayNightRatio", &daynight_ratio_f, 1);
871
872                 u32 animation_timer = porting::getTimeMs() % 100000;
873                 float animation_timer_f = (float)animation_timer / 100000.0;
874                 services->setPixelShaderConstant("animationTimer", &animation_timer_f, 1);
875                 services->setVertexShaderConstant("animationTimer", &animation_timer_f, 1);
876
877                 LocalPlayer *player = m_client->getEnv().getLocalPlayer();
878                 v3f eye_position = player->getEyePosition();
879                 services->setPixelShaderConstant("eyePosition", (irr::f32 *)&eye_position, 3);
880                 services->setVertexShaderConstant("eyePosition", (irr::f32 *)&eye_position, 3);
881
882                 // Uniform sampler layers
883                 int layer0 = 0;
884                 int layer1 = 1;
885                 int layer2 = 2;
886                 // before 1.8 there isn't a "integer interface", only float
887 #if (IRRLICHT_VERSION_MAJOR == 1 && IRRLICHT_VERSION_MINOR < 8)
888                 services->setPixelShaderConstant("baseTexture" , (irr::f32 *)&layer0, 1);
889                 services->setPixelShaderConstant("normalTexture" , (irr::f32 *)&layer1, 1);
890                 services->setPixelShaderConstant("useNormalmap" , (irr::f32 *)&layer2, 1);
891 #else
892                 services->setPixelShaderConstant("baseTexture" , (irr::s32 *)&layer0, 1);
893                 services->setPixelShaderConstant("normalTexture" , (irr::s32 *)&layer1, 1);
894                 services->setPixelShaderConstant("useNormalmap" , (irr::s32 *)&layer2, 1);
895 #endif
896         }
897 };
898
899 bool nodePlacementPrediction(Client &client,
900                 const ItemDefinition &playeritem_def, v3s16 nodepos, v3s16 neighbourpos)
901 {
902         std::string prediction = playeritem_def.node_placement_prediction;
903         INodeDefManager *nodedef = client.ndef();
904         ClientMap &map = client.getEnv().getClientMap();
905         MapNode node;
906         bool is_valid_position;
907
908         node = map.getNodeNoEx(nodepos, &is_valid_position);
909         if (!is_valid_position)
910                 return false;
911
912         if (prediction != "" && !nodedef->get(node).rightclickable) {
913                 verbosestream << "Node placement prediction for "
914                               << playeritem_def.name << " is "
915                               << prediction << std::endl;
916                 v3s16 p = neighbourpos;
917
918                 // Place inside node itself if buildable_to
919                 MapNode n_under = map.getNodeNoEx(nodepos, &is_valid_position);
920                 if (is_valid_position)
921                 {
922                         if (nodedef->get(n_under).buildable_to)
923                                 p = nodepos;
924                         else {
925                                 node = map.getNodeNoEx(p, &is_valid_position);
926                                 if (is_valid_position &&!nodedef->get(node).buildable_to)
927                                         return false;
928                         }
929                 }
930
931                 // Find id of predicted node
932                 content_t id;
933                 bool found = nodedef->getId(prediction, id);
934
935                 if (!found) {
936                         errorstream << "Node placement prediction failed for "
937                                     << playeritem_def.name << " (places "
938                                     << prediction
939                                     << ") - Name not known" << std::endl;
940                         return false;
941                 }
942
943                 // Predict param2 for facedir and wallmounted nodes
944                 u8 param2 = 0;
945
946                 if (nodedef->get(id).param_type_2 == CPT2_WALLMOUNTED) {
947                         v3s16 dir = nodepos - neighbourpos;
948
949                         if (abs(dir.Y) > MYMAX(abs(dir.X), abs(dir.Z))) {
950                                 param2 = dir.Y < 0 ? 1 : 0;
951                         } else if (abs(dir.X) > abs(dir.Z)) {
952                                 param2 = dir.X < 0 ? 3 : 2;
953                         } else {
954                                 param2 = dir.Z < 0 ? 5 : 4;
955                         }
956                 }
957
958                 if (nodedef->get(id).param_type_2 == CPT2_FACEDIR) {
959                         v3s16 dir = nodepos - floatToInt(client.getEnv().getLocalPlayer()->getPosition(), BS);
960
961                         if (abs(dir.X) > abs(dir.Z)) {
962                                 param2 = dir.X < 0 ? 3 : 1;
963                         } else {
964                                 param2 = dir.Z < 0 ? 2 : 0;
965                         }
966                 }
967
968                 assert(param2 <= 5);
969
970                 //Check attachment if node is in group attached_node
971                 if (((ItemGroupList) nodedef->get(id).groups)["attached_node"] != 0) {
972                         static v3s16 wallmounted_dirs[8] = {
973                                 v3s16(0, 1, 0),
974                                 v3s16(0, -1, 0),
975                                 v3s16(1, 0, 0),
976                                 v3s16(-1, 0, 0),
977                                 v3s16(0, 0, 1),
978                                 v3s16(0, 0, -1),
979                         };
980                         v3s16 pp;
981
982                         if (nodedef->get(id).param_type_2 == CPT2_WALLMOUNTED)
983                                 pp = p + wallmounted_dirs[param2];
984                         else
985                                 pp = p + v3s16(0, -1, 0);
986
987                         if (!nodedef->get(map.getNodeNoEx(pp)).walkable)
988                                 return false;
989                 }
990
991                 // Add node to client map
992                 MapNode n(id, 0, param2);
993
994                 try {
995                         LocalPlayer *player = client.getEnv().getLocalPlayer();
996
997                         // Dont place node when player would be inside new node
998                         // NOTE: This is to be eventually implemented by a mod as client-side Lua
999                         if (!nodedef->get(n).walkable ||
1000                                         g_settings->getBool("enable_build_where_you_stand") ||
1001                                         (client.checkPrivilege("noclip") && g_settings->getBool("noclip")) ||
1002                                         (nodedef->get(n).walkable &&
1003                                          neighbourpos != player->getStandingNodePos() + v3s16(0, 1, 0) &&
1004                                          neighbourpos != player->getStandingNodePos() + v3s16(0, 2, 0))) {
1005
1006                                 // This triggers the required mesh update too
1007                                 client.addNode(p, n);
1008                                 return true;
1009                         }
1010                 } catch (InvalidPositionException &e) {
1011                         errorstream << "Node placement prediction failed for "
1012                                     << playeritem_def.name << " (places "
1013                                     << prediction
1014                                     << ") - Position not loaded" << std::endl;
1015                 }
1016         }
1017
1018         return false;
1019 }
1020
1021 static inline void create_formspec_menu(GUIFormSpecMenu **cur_formspec,
1022                 InventoryManager *invmgr, IGameDef *gamedef,
1023                 IWritableTextureSource *tsrc, IrrlichtDevice *device,
1024                 IFormSource *fs_src, TextDest *txt_dest, Client *client)
1025 {
1026
1027         if (*cur_formspec == 0) {
1028                 *cur_formspec = new GUIFormSpecMenu(device, guiroot, -1, &g_menumgr,
1029                                                     invmgr, gamedef, tsrc, fs_src, txt_dest, client);
1030                 (*cur_formspec)->doPause = false;
1031
1032                 /*
1033                         Caution: do not call (*cur_formspec)->drop() here --
1034                         the reference might outlive the menu, so we will
1035                         periodically check if *cur_formspec is the only
1036                         remaining reference (i.e. the menu was removed)
1037                         and delete it in that case.
1038                 */
1039
1040         } else {
1041                 (*cur_formspec)->setFormSource(fs_src);
1042                 (*cur_formspec)->setTextDest(txt_dest);
1043         }
1044 }
1045
1046 #define SIZE_TAG "size[11,5.5]"
1047
1048 static void show_chat_menu(GUIFormSpecMenu **cur_formspec,
1049                 InventoryManager *invmgr, IGameDef *gamedef,
1050                 IWritableTextureSource *tsrc, IrrlichtDevice *device,
1051                 Client *client, std::string text)
1052 {
1053         std::string formspec =
1054                 FORMSPEC_VERSION_STRING
1055                 SIZE_TAG
1056                 "field[3,2.35;6,0.5;f_text;;" + text + "]"
1057                 "button_exit[4,3;3,0.5;btn_send;" + wide_to_narrow(wstrgettext("Proceed")) + "]"
1058                 ;
1059
1060         /* Create menu */
1061         /* Note: FormspecFormSource and LocalFormspecHandler
1062          * are deleted by guiFormSpecMenu                     */
1063         FormspecFormSource *fs_src = new FormspecFormSource(formspec);
1064         LocalFormspecHandler *txt_dst = new LocalFormspecHandler("MT_CHAT_MENU", client);
1065
1066         create_formspec_menu(cur_formspec, invmgr, gamedef, tsrc, device, fs_src, txt_dst, NULL);
1067 }
1068
1069 static void show_deathscreen(GUIFormSpecMenu **cur_formspec,
1070                 InventoryManager *invmgr, IGameDef *gamedef,
1071                 IWritableTextureSource *tsrc, IrrlichtDevice *device, Client *client)
1072 {
1073         std::string formspec =
1074                 std::string(FORMSPEC_VERSION_STRING) +
1075                 SIZE_TAG
1076                 "bgcolor[#320000b4;true]"
1077                 "label[4.85,1.35;You died.]"
1078                 "button_exit[4,3;3,0.5;btn_respawn;" + gettext("Respawn") + "]"
1079                 ;
1080
1081         /* Create menu */
1082         /* Note: FormspecFormSource and LocalFormspecHandler
1083          * are deleted by guiFormSpecMenu                     */
1084         FormspecFormSource *fs_src = new FormspecFormSource(formspec);
1085         LocalFormspecHandler *txt_dst = new LocalFormspecHandler("MT_DEATH_SCREEN", client);
1086
1087         create_formspec_menu(cur_formspec, invmgr, gamedef, tsrc, device,  fs_src, txt_dst, NULL);
1088 }
1089
1090 /******************************************************************************/
1091 static void show_pause_menu(GUIFormSpecMenu **cur_formspec,
1092                 InventoryManager *invmgr, IGameDef *gamedef,
1093                 IWritableTextureSource *tsrc, IrrlichtDevice *device,
1094                 bool singleplayermode)
1095 {
1096 #ifdef __ANDROID__
1097         std::string control_text = wide_to_narrow(wstrgettext("Default Controls:\n"
1098                                    "No menu visible:\n"
1099                                    "- single tap: button activate\n"
1100                                    "- double tap: place/use\n"
1101                                    "- slide finger: look around\n"
1102                                    "Menu/Inventory visible:\n"
1103                                    "- double tap (outside):\n"
1104                                    " -->close\n"
1105                                    "- touch stack, touch slot:\n"
1106                                    " --> move stack\n"
1107                                    "- touch&drag, tap 2nd finger\n"
1108                                    " --> place single item to slot\n"
1109                                                              ));
1110 #else
1111         std::string control_text = wide_to_narrow(wstrgettext("Default Controls:\n"
1112                                    "- WASD: move\n"
1113                                    "- Space: jump/climb\n"
1114                                    "- Shift: sneak/go down\n"
1115                                    "- Q: drop item\n"
1116                                    "- I: inventory\n"
1117                                    "- Mouse: turn/look\n"
1118                                    "- Mouse left: dig/punch\n"
1119                                    "- Mouse right: place/use\n"
1120                                    "- Mouse wheel: select item\n"
1121                                    "- T: chat\n"
1122                                                              ));
1123 #endif
1124
1125         float ypos = singleplayermode ? 0.5 : 0.1;
1126         std::ostringstream os;
1127
1128         os << FORMSPEC_VERSION_STRING  << SIZE_TAG
1129            << "button_exit[4," << (ypos++) << ";3,0.5;btn_continue;"
1130            << wide_to_narrow(wstrgettext("Continue"))     << "]";
1131
1132         if (!singleplayermode) {
1133                 os << "button_exit[4," << (ypos++) << ";3,0.5;btn_change_password;"
1134                    << wide_to_narrow(wstrgettext("Change Password")) << "]";
1135         }
1136         
1137 #ifndef __ANDROID__
1138         os              << "button_exit[4," << (ypos++) << ";3,0.5;btn_sound;"
1139                         << wide_to_narrow(wstrgettext("Sound Volume")) << "]";
1140         os              << "button_exit[4," << (ypos++) << ";3,0.5;btn_key_config;"
1141                         << wide_to_narrow(wstrgettext("Change Keys"))  << "]";
1142 #endif
1143         os              << "button_exit[4," << (ypos++) << ";3,0.5;btn_exit_menu;"
1144                         << wide_to_narrow(wstrgettext("Exit to Menu")) << "]";
1145         os              << "button_exit[4," << (ypos++) << ";3,0.5;btn_exit_os;"
1146                         << wide_to_narrow(wstrgettext("Exit to OS"))   << "]"
1147                         << "textarea[7.5,0.25;3.9,6.25;;" << control_text << ";]"
1148                         << "textarea[0.4,0.25;3.5,6;;" << "Minetest\n"
1149                         << minetest_build_info << "\n"
1150                         << "path_user = " << wrap_rows(porting::path_user, 20)
1151                         << "\n;]";
1152
1153         /* Create menu */
1154         /* Note: FormspecFormSource and LocalFormspecHandler  *
1155          * are deleted by guiFormSpecMenu                     */
1156         FormspecFormSource *fs_src = new FormspecFormSource(os.str());
1157         LocalFormspecHandler *txt_dst = new LocalFormspecHandler("MT_PAUSE_MENU");
1158
1159         create_formspec_menu(cur_formspec, invmgr, gamedef, tsrc, device,  fs_src, txt_dst, NULL);
1160
1161         (*cur_formspec)->doPause = true;
1162 }
1163
1164 /******************************************************************************/
1165 static void updateChat(Client &client, f32 dtime, bool show_debug,
1166                 const v2u32 &screensize, bool show_chat, u32 show_profiler,
1167                 ChatBackend &chat_backend, gui::IGUIStaticText *guitext_chat)
1168 {
1169         // Add chat log output for errors to be shown in chat
1170         static LogOutputBuffer chat_log_error_buf(LMT_ERROR);
1171
1172         // Get new messages from error log buffer
1173         while (!chat_log_error_buf.empty()) {
1174                 chat_backend.addMessage(L"", narrow_to_wide(chat_log_error_buf.get()));
1175         }
1176
1177         // Get new messages from client
1178         std::wstring message;
1179
1180         while (client.getChatMessage(message)) {
1181                 chat_backend.addUnparsedMessage(message);
1182         }
1183
1184         // Remove old messages
1185         chat_backend.step(dtime);
1186
1187         // Display all messages in a static text element
1188         unsigned int recent_chat_count = chat_backend.getRecentBuffer().getLineCount();
1189         std::wstring recent_chat       = chat_backend.getRecentChat();
1190         unsigned int line_height       = g_fontengine->getLineHeight();
1191
1192         guitext_chat->setText(recent_chat.c_str());
1193
1194         // Update gui element size and position
1195         s32 chat_y = 5 + line_height;
1196
1197         if (show_debug)
1198                 chat_y += line_height;
1199
1200         // first pass to calculate height of text to be set
1201         s32 width = std::min(g_fontengine->getTextWidth(recent_chat) + 10,
1202                              porting::getWindowSize().X - 20);
1203         core::rect<s32> rect(10, chat_y, width, chat_y + porting::getWindowSize().Y);
1204         guitext_chat->setRelativePosition(rect);
1205
1206         //now use real height of text and adjust rect according to this size
1207         rect = core::rect<s32>(10, chat_y, width,
1208                                chat_y + guitext_chat->getTextHeight());
1209
1210
1211         guitext_chat->setRelativePosition(rect);
1212         // Don't show chat if disabled or empty or profiler is enabled
1213         guitext_chat->setVisible(
1214                 show_chat && recent_chat_count != 0 && !show_profiler);
1215 }
1216
1217
1218 /****************************************************************************
1219  Fast key cache for main game loop
1220  ****************************************************************************/
1221
1222 /* This is faster than using getKeySetting with the tradeoff that functions
1223  * using it must make sure that it's initialised before using it and there is
1224  * no error handling (for example bounds checking). This is really intended for
1225  * use only in the main running loop of the client (the_game()) where the faster
1226  * (up to 10x faster) key lookup is an asset. Other parts of the codebase
1227  * (e.g. formspecs) should continue using getKeySetting().
1228  */
1229 struct KeyCache {
1230
1231         KeyCache() { populate(); }
1232
1233         enum {
1234                 // Player movement
1235                 KEYMAP_ID_FORWARD,
1236                 KEYMAP_ID_BACKWARD,
1237                 KEYMAP_ID_LEFT,
1238                 KEYMAP_ID_RIGHT,
1239                 KEYMAP_ID_JUMP,
1240                 KEYMAP_ID_SPECIAL1,
1241                 KEYMAP_ID_SNEAK,
1242
1243                 // Other
1244                 KEYMAP_ID_DROP,
1245                 KEYMAP_ID_INVENTORY,
1246                 KEYMAP_ID_CHAT,
1247                 KEYMAP_ID_CMD,
1248                 KEYMAP_ID_CONSOLE,
1249                 KEYMAP_ID_FREEMOVE,
1250                 KEYMAP_ID_FASTMOVE,
1251                 KEYMAP_ID_NOCLIP,
1252                 KEYMAP_ID_SCREENSHOT,
1253                 KEYMAP_ID_TOGGLE_HUD,
1254                 KEYMAP_ID_TOGGLE_CHAT,
1255                 KEYMAP_ID_TOGGLE_FORCE_FOG_OFF,
1256                 KEYMAP_ID_TOGGLE_UPDATE_CAMERA,
1257                 KEYMAP_ID_TOGGLE_DEBUG,
1258                 KEYMAP_ID_TOGGLE_PROFILER,
1259                 KEYMAP_ID_CAMERA_MODE,
1260                 KEYMAP_ID_INCREASE_VIEWING_RANGE,
1261                 KEYMAP_ID_DECREASE_VIEWING_RANGE,
1262                 KEYMAP_ID_RANGESELECT,
1263
1264                 KEYMAP_ID_QUICKTUNE_NEXT,
1265                 KEYMAP_ID_QUICKTUNE_PREV,
1266                 KEYMAP_ID_QUICKTUNE_INC,
1267                 KEYMAP_ID_QUICKTUNE_DEC,
1268
1269                 KEYMAP_ID_DEBUG_STACKS,
1270
1271                 // Fake keycode for array size and internal checks
1272                 KEYMAP_INTERNAL_ENUM_COUNT
1273
1274
1275         };
1276
1277         void populate();
1278
1279         KeyPress key[KEYMAP_INTERNAL_ENUM_COUNT];
1280 };
1281
1282 void KeyCache::populate()
1283 {
1284         key[KEYMAP_ID_FORWARD]      = getKeySetting("keymap_forward");
1285         key[KEYMAP_ID_BACKWARD]     = getKeySetting("keymap_backward");
1286         key[KEYMAP_ID_LEFT]         = getKeySetting("keymap_left");
1287         key[KEYMAP_ID_RIGHT]        = getKeySetting("keymap_right");
1288         key[KEYMAP_ID_JUMP]         = getKeySetting("keymap_jump");
1289         key[KEYMAP_ID_SPECIAL1]     = getKeySetting("keymap_special1");
1290         key[KEYMAP_ID_SNEAK]        = getKeySetting("keymap_sneak");
1291
1292         key[KEYMAP_ID_DROP]         = getKeySetting("keymap_drop");
1293         key[KEYMAP_ID_INVENTORY]    = getKeySetting("keymap_inventory");
1294         key[KEYMAP_ID_CHAT]         = getKeySetting("keymap_chat");
1295         key[KEYMAP_ID_CMD]          = getKeySetting("keymap_cmd");
1296         key[KEYMAP_ID_CONSOLE]      = getKeySetting("keymap_console");
1297         key[KEYMAP_ID_FREEMOVE]     = getKeySetting("keymap_freemove");
1298         key[KEYMAP_ID_FASTMOVE]     = getKeySetting("keymap_fastmove");
1299         key[KEYMAP_ID_NOCLIP]       = getKeySetting("keymap_noclip");
1300         key[KEYMAP_ID_SCREENSHOT]   = getKeySetting("keymap_screenshot");
1301         key[KEYMAP_ID_TOGGLE_HUD]   = getKeySetting("keymap_toggle_hud");
1302         key[KEYMAP_ID_TOGGLE_CHAT]  = getKeySetting("keymap_toggle_chat");
1303         key[KEYMAP_ID_TOGGLE_FORCE_FOG_OFF]
1304                         = getKeySetting("keymap_toggle_force_fog_off");
1305         key[KEYMAP_ID_TOGGLE_UPDATE_CAMERA]
1306                         = getKeySetting("keymap_toggle_update_camera");
1307         key[KEYMAP_ID_TOGGLE_DEBUG]
1308                         = getKeySetting("keymap_toggle_debug");
1309         key[KEYMAP_ID_TOGGLE_PROFILER]
1310                         = getKeySetting("keymap_toggle_profiler");
1311         key[KEYMAP_ID_CAMERA_MODE]
1312                         = getKeySetting("keymap_camera_mode");
1313         key[KEYMAP_ID_INCREASE_VIEWING_RANGE]
1314                         = getKeySetting("keymap_increase_viewing_range_min");
1315         key[KEYMAP_ID_DECREASE_VIEWING_RANGE]
1316                         = getKeySetting("keymap_decrease_viewing_range_min");
1317         key[KEYMAP_ID_RANGESELECT]
1318                         = getKeySetting("keymap_rangeselect");
1319
1320         key[KEYMAP_ID_QUICKTUNE_NEXT] = getKeySetting("keymap_quicktune_next");
1321         key[KEYMAP_ID_QUICKTUNE_PREV] = getKeySetting("keymap_quicktune_prev");
1322         key[KEYMAP_ID_QUICKTUNE_INC]  = getKeySetting("keymap_quicktune_inc");
1323         key[KEYMAP_ID_QUICKTUNE_DEC]  = getKeySetting("keymap_quicktune_dec");
1324
1325         key[KEYMAP_ID_DEBUG_STACKS]   = getKeySetting("keymap_print_debug_stacks");
1326 }
1327
1328
1329 /****************************************************************************
1330
1331  ****************************************************************************/
1332
1333 const float object_hit_delay = 0.2;
1334
1335 struct FpsControl {
1336         u32 last_time, busy_time, sleep_time;
1337 };
1338
1339
1340 /* The reason the following structs are not anonymous structs within the
1341  * class is that they are not used by the majority of member functions and
1342  * many functions that do require objects of thse types do not modify them
1343  * (so they can be passed as a const qualified parameter)
1344  */
1345 struct CameraOrientation {
1346         f32 camera_yaw;    // "right/left"
1347         f32 camera_pitch;  // "up/down"
1348 };
1349
1350 struct GameRunData {
1351         u16 dig_index;
1352         u16 new_playeritem;
1353         PointedThing pointed_old;
1354         bool digging;
1355         bool ldown_for_dig;
1356         bool left_punch;
1357         bool update_wielded_item_trigger;
1358         bool reset_jump_timer;
1359         float nodig_delay_timer;
1360         float dig_time;
1361         float dig_time_complete;
1362         float repeat_rightclick_timer;
1363         float object_hit_delay_timer;
1364         float time_from_last_punch;
1365         ClientActiveObject *selected_object;
1366
1367         float jump_timer;
1368         float damage_flash;
1369         float update_draw_list_timer;
1370         float statustext_time;
1371
1372         f32 fog_range;
1373
1374         v3f update_draw_list_last_cam_dir;
1375
1376         u32 profiler_current_page;
1377         u32 profiler_max_page;     // Number of pages
1378
1379         float time_of_day;
1380         float time_of_day_smooth;
1381 };
1382
1383 struct Jitter {
1384         f32 max, min, avg, counter, max_sample, min_sample, max_fraction;
1385 };
1386
1387 struct RunStats {
1388         u32 drawtime;
1389         u32 beginscenetime;
1390         u32 endscenetime;
1391
1392         Jitter dtime_jitter, busy_time_jitter;
1393 };
1394
1395 /* Flags that can, or may, change during main game loop
1396  */
1397 struct VolatileRunFlags {
1398         bool invert_mouse;
1399         bool show_chat;
1400         bool show_hud;
1401         bool force_fog_off;
1402         bool show_debug;
1403         bool show_profiler_graph;
1404         bool disable_camera_update;
1405         bool first_loop_after_window_activation;
1406         bool camera_offset_changed;
1407 };
1408
1409
1410 /****************************************************************************
1411  THE GAME
1412  ****************************************************************************/
1413
1414 /* This is not intended to be a public class. If a public class becomes
1415  * desirable then it may be better to create another 'wrapper' class that
1416  * hides most of the stuff in this class (nothing in this class is required
1417  * by any other file) but exposes the public methods/data only.
1418  */
1419 class Game
1420 {
1421 public:
1422         Game();
1423         ~Game();
1424
1425         bool startup(bool *kill,
1426                         bool random_input,
1427                         InputHandler *input,
1428                         IrrlichtDevice *device,
1429                         const std::string &map_dir,
1430                         const std::string &playername,
1431                         const std::string &password,
1432                         // If address is "", local server is used and address is updated
1433                         std::string *address,
1434                         u16 port,
1435                         std::wstring *error_message,
1436                         ChatBackend *chat_backend,
1437                         const SubgameSpec &gamespec,    // Used for local game
1438                         bool simple_singleplayer_mode);
1439
1440         void run();
1441         void shutdown();
1442
1443 protected:
1444
1445         void extendedResourceCleanup();
1446
1447         // Basic initialisation
1448         bool init(const std::string &map_dir, std::string *address,
1449                         u16 port,
1450                         const SubgameSpec &gamespec);
1451         bool initSound();
1452         bool createSingleplayerServer(const std::string map_dir,
1453                         const SubgameSpec &gamespec, u16 port, std::string *address);
1454
1455         // Client creation
1456         bool createClient(const std::string &playername,
1457                         const std::string &password, std::string *address, u16 port,
1458                         std::wstring *error_message);
1459         bool initGui(std::wstring *error_message);
1460
1461         // Client connection
1462         bool connectToServer(const std::string &playername,
1463                         const std::string &password, std::string *address, u16 port,
1464                         bool *connect_ok, bool *aborted);
1465         bool getServerContent(bool *aborted);
1466
1467         // Main loop
1468
1469         void updateInteractTimers(GameRunData *args, f32 dtime);
1470         bool checkConnection();
1471         bool handleCallbacks();
1472         void processQueues();
1473         void updateProfilers(const GameRunData &run_data, const RunStats &stats,
1474                         const FpsControl &draw_times, f32 dtime);
1475         void addProfilerGraphs(const RunStats &stats, const FpsControl &draw_times,
1476                         f32 dtime);
1477         void updateStats(RunStats *stats, const FpsControl &draw_times, f32 dtime);
1478
1479         void processUserInput(VolatileRunFlags *flags, GameRunData *interact_args,
1480                         f32 dtime);
1481         void processKeyboardInput(VolatileRunFlags *flags,
1482                         float *statustext_time,
1483                         float *jump_timer,
1484                         bool *reset_jump_timer,
1485                         u32 *profiler_current_page,
1486                         u32 profiler_max_page);
1487         void processItemSelection(u16 *new_playeritem);
1488
1489         void dropSelectedItem();
1490         void openInventory();
1491         void openConsole();
1492         void toggleFreeMove(float *statustext_time);
1493         void toggleFreeMoveAlt(float *statustext_time, float *jump_timer);
1494         void toggleFast(float *statustext_time);
1495         void toggleNoClip(float *statustext_time);
1496
1497         void toggleChat(float *statustext_time, bool *flag);
1498         void toggleHud(float *statustext_time, bool *flag);
1499         void toggleFog(float *statustext_time, bool *flag);
1500         void toggleDebug(float *statustext_time, bool *show_debug,
1501                         bool *show_profiler_graph);
1502         void toggleUpdateCamera(float *statustext_time, bool *flag);
1503         void toggleProfiler(float *statustext_time, u32 *profiler_current_page,
1504                         u32 profiler_max_page);
1505
1506         void increaseViewRange(float *statustext_time);
1507         void decreaseViewRange(float *statustext_time);
1508         void toggleFullViewRange(float *statustext_time);
1509
1510         void updateCameraDirection(CameraOrientation *cam, VolatileRunFlags *flags);
1511         void updateCameraOrientation(CameraOrientation *cam,
1512                         const VolatileRunFlags &flags);
1513         void updatePlayerControl(const CameraOrientation &cam);
1514         void step(f32 *dtime);
1515         void processClientEvents(CameraOrientation *cam, float *damage_flash);
1516         void updateCamera(VolatileRunFlags *flags, u32 busy_time, f32 dtime,
1517                         float time_from_last_punch);
1518         void updateSound(f32 dtime);
1519         void processPlayerInteraction(std::vector<aabb3f> &highlight_boxes,
1520                         GameRunData *runData, f32 dtime, bool show_hud,
1521                         bool show_debug);
1522         void handlePointingAtNode(GameRunData *runData,
1523                         const PointedThing &pointed, const ItemDefinition &playeritem_def,
1524                         const ToolCapabilities &playeritem_toolcap, f32 dtime);
1525         void handlePointingAtObject(GameRunData *runData,
1526                         const PointedThing &pointed, const ItemStack &playeritem,
1527                         const v3f &player_position, bool show_debug);
1528         void handleDigging(GameRunData *runData, const PointedThing &pointed,
1529                         const v3s16 &nodepos, const ToolCapabilities &playeritem_toolcap,
1530                         f32 dtime);
1531         void updateFrame(std::vector<aabb3f> &highlight_boxes, ProfilerGraph *graph,
1532                         RunStats *stats, GameRunData *runData,
1533                         f32 dtime, const VolatileRunFlags &flags, const CameraOrientation &cam);
1534         void updateGui(float *statustext_time, const RunStats &stats,
1535                         const GameRunData& runData, f32 dtime, const VolatileRunFlags &flags,
1536                         const CameraOrientation &cam);
1537         void updateProfilerGraphs(ProfilerGraph *graph);
1538
1539         // Misc
1540         void limitFps(FpsControl *fps_timings, f32 *dtime);
1541
1542         void showOverlayMessage(const char *msg, float dtime, int percent,
1543                         bool draw_clouds = true);
1544
1545 private:
1546         InputHandler *input;
1547
1548         Client *client;
1549         Server *server;
1550
1551         IWritableTextureSource *texture_src;
1552         IWritableShaderSource *shader_src;
1553
1554         // When created, these will be filled with data received from the server
1555         IWritableItemDefManager *itemdef_manager;
1556         IWritableNodeDefManager *nodedef_manager;
1557
1558         GameOnDemandSoundFetcher soundfetcher; // useful when testing
1559         ISoundManager *sound;
1560         bool sound_is_dummy;
1561         SoundMaker *soundmaker;
1562
1563         ChatBackend *chat_backend;
1564
1565         GUIFormSpecMenu *current_formspec;
1566
1567         EventManager *eventmgr;
1568         QuicktuneShortcutter *quicktune;
1569
1570         GUIChatConsole *gui_chat_console; // Free using ->Drop()
1571         MapDrawControl *draw_control;
1572         Camera *camera;
1573         Clouds *clouds;                   // Free using ->Drop()
1574         Sky *sky;                         // Free using ->Drop()
1575         Inventory *local_inventory;
1576         Hud *hud;
1577
1578         /* 'cache'
1579            This class does take ownership/responsibily for cleaning up etc of any of
1580            these items (e.g. device)
1581         */
1582         IrrlichtDevice *device;
1583         video::IVideoDriver *driver;
1584         scene::ISceneManager *smgr;
1585         bool *kill;
1586         std::wstring *error_message;
1587         IGameDef *gamedef;                     // Convenience (same as *client)
1588         scene::ISceneNode *skybox;
1589
1590         bool random_input;
1591         bool simple_singleplayer_mode;
1592         /* End 'cache' */
1593
1594         /* Pre-calculated values
1595          */
1596         int crack_animation_length;
1597
1598         /* GUI stuff
1599          */
1600         gui::IGUIStaticText *guitext;          // First line of debug text
1601         gui::IGUIStaticText *guitext2;         // Second line of debug text
1602         gui::IGUIStaticText *guitext_info;     // At the middle of the screen
1603         gui::IGUIStaticText *guitext_status;
1604         gui::IGUIStaticText *guitext_chat;         // Chat text
1605         gui::IGUIStaticText *guitext_profiler; // Profiler text
1606
1607         std::wstring infotext;
1608         std::wstring statustext;
1609
1610         KeyCache keycache;
1611
1612         IntervalLimiter profiler_interval;
1613
1614         /* TODO: Add a callback function so these can be updated when a setting
1615          *       changes.  At this point in time it doesn't matter (e.g. /set
1616          *       is documented to change server settings only)
1617          *
1618          * TODO: Local caching of settings is not optimal and should at some stage
1619          *       be updated to use a global settings object for getting thse values
1620          *       (as opposed to the this local caching). This can be addressed in
1621          *       a later release.
1622          */
1623         bool m_cache_doubletap_jump;
1624         bool m_cache_enable_node_highlighting;
1625         bool m_cache_enable_clouds;
1626         bool m_cache_enable_particles;
1627         bool m_cache_enable_fog;
1628         f32  m_cache_mouse_sensitivity;
1629         f32  m_repeat_right_click_time;
1630 };
1631
1632 Game::Game() :
1633         client(NULL),
1634         server(NULL),
1635         texture_src(NULL),
1636         shader_src(NULL),
1637         itemdef_manager(NULL),
1638         nodedef_manager(NULL),
1639         sound(NULL),
1640         sound_is_dummy(false),
1641         soundmaker(NULL),
1642         chat_backend(NULL),
1643         current_formspec(NULL),
1644         eventmgr(NULL),
1645         quicktune(NULL),
1646         gui_chat_console(NULL),
1647         draw_control(NULL),
1648         camera(NULL),
1649         clouds(NULL),
1650         sky(NULL),
1651         local_inventory(NULL),
1652         hud(NULL)
1653 {
1654         m_cache_doubletap_jump            = g_settings->getBool("doubletap_jump");
1655         m_cache_enable_node_highlighting  = g_settings->getBool("enable_node_highlighting");
1656         m_cache_enable_clouds             = g_settings->getBool("enable_clouds");
1657         m_cache_enable_particles          = g_settings->getBool("enable_particles");
1658         m_cache_enable_fog                = g_settings->getBool("enable_fog");
1659         m_cache_mouse_sensitivity         = g_settings->getFloat("mouse_sensitivity");
1660         m_repeat_right_click_time         = g_settings->getFloat("repeat_rightclick_time");
1661
1662         m_cache_mouse_sensitivity = rangelim(m_cache_mouse_sensitivity, 0.001, 100.0);
1663 }
1664
1665
1666
1667 /****************************************************************************
1668  MinetestApp Public
1669  ****************************************************************************/
1670
1671 Game::~Game()
1672 {
1673         delete client;
1674         delete soundmaker;
1675         if (!sound_is_dummy)
1676                 delete sound;
1677
1678         delete server; // deleted first to stop all server threads
1679
1680         delete hud;
1681         delete local_inventory;
1682         delete camera;
1683         delete quicktune;
1684         delete eventmgr;
1685         delete texture_src;
1686         delete shader_src;
1687         delete nodedef_manager;
1688         delete itemdef_manager;
1689         delete draw_control;
1690
1691         extendedResourceCleanup();
1692 }
1693
1694 bool Game::startup(bool *kill,
1695                 bool random_input,
1696                 InputHandler *input,
1697                 IrrlichtDevice *device,
1698                 const std::string &map_dir,
1699                 const std::string &playername,
1700                 const std::string &password,
1701                 std::string *address,     // can change if simple_singleplayer_mode
1702                 u16 port,
1703                 std::wstring *error_message,
1704                 ChatBackend *chat_backend,
1705                 const SubgameSpec &gamespec,
1706                 bool simple_singleplayer_mode)
1707 {
1708         // "cache"
1709         this->device        = device;
1710         this->kill          = kill;
1711         this->error_message = error_message;
1712         this->random_input  = random_input;
1713         this->input         = input;
1714         this->chat_backend  = chat_backend;
1715         this->simple_singleplayer_mode = simple_singleplayer_mode;
1716
1717         driver              = device->getVideoDriver();
1718         smgr                = device->getSceneManager();
1719
1720         smgr->getParameters()->setAttribute(scene::OBJ_LOADER_IGNORE_MATERIAL_FILES, true);
1721
1722         if (!init(map_dir, address, port, gamespec))
1723                 return false;
1724
1725         if (!createClient(playername, password, address, port, error_message))
1726                 return false;
1727
1728         return true;
1729 }
1730
1731
1732 void Game::run()
1733 {
1734         ProfilerGraph graph;
1735         RunStats stats              = { 0 };
1736         CameraOrientation cam_view  = { 0 };
1737         GameRunData runData         = { 0 };
1738         FpsControl draw_times       = { 0 };
1739         VolatileRunFlags flags      = { 0 };
1740         f32 dtime; // in seconds
1741
1742         runData.time_from_last_punch  = 10.0;
1743         runData.profiler_max_page = 3;
1744         runData.update_wielded_item_trigger = true;
1745
1746         flags.show_chat = true;
1747         flags.show_hud = true;
1748         flags.show_debug = g_settings->getBool("show_debug");
1749         flags.invert_mouse = g_settings->getBool("invert_mouse");
1750         flags.first_loop_after_window_activation = true;
1751
1752         /* Clear the profiler */
1753         Profiler::GraphValues dummyvalues;
1754         g_profiler->graphGet(dummyvalues);
1755
1756         draw_times.last_time = device->getTimer()->getTime();
1757
1758         shader_src->addGlobalConstantSetter(new GameGlobalShaderConstantSetter(
1759                         sky,
1760                         &flags.force_fog_off,
1761                         &runData.fog_range,
1762                         client));
1763
1764         std::vector<aabb3f> highlight_boxes;
1765
1766         set_light_table(g_settings->getFloat("display_gamma"));
1767
1768         while (device->run() && !(*kill || g_gamecallback->shutdown_requested)) {
1769
1770                 /* Must be called immediately after a device->run() call because it
1771                  * uses device->getTimer()->getTime()
1772                  */
1773                 limitFps(&draw_times, &dtime);
1774
1775                 updateStats(&stats, draw_times, dtime);
1776                 updateInteractTimers(&runData, dtime);
1777
1778                 if (!checkConnection())
1779                         break;
1780                 if (!handleCallbacks())
1781                         break;
1782
1783                 processQueues();
1784
1785                 infotext = L"";
1786                 hud->resizeHotbar();
1787
1788                 updateProfilers(runData, stats, draw_times, dtime);
1789                 processUserInput(&flags, &runData, dtime);
1790                 // Update camera before player movement to avoid camera lag of one frame
1791                 updateCameraDirection(&cam_view, &flags);
1792                 updatePlayerControl(cam_view);
1793                 step(&dtime);
1794                 processClientEvents(&cam_view, &runData.damage_flash);
1795                 updateCamera(&flags, draw_times.busy_time, dtime,
1796                                 runData.time_from_last_punch);
1797                 updateSound(dtime);
1798                 processPlayerInteraction(highlight_boxes, &runData, dtime,
1799                                 flags.show_hud, flags.show_debug);
1800                 updateFrame(highlight_boxes, &graph, &stats, &runData, dtime,
1801                                 flags, cam_view);
1802                 updateProfilerGraphs(&graph);
1803         }
1804 }
1805
1806
1807 void Game::shutdown()
1808 {
1809         showOverlayMessage("Shutting down...", 0, 0, false);
1810
1811         if (clouds)
1812                 clouds->drop();
1813
1814         if (gui_chat_console)
1815                 gui_chat_console->drop();
1816
1817         if (sky)
1818                 sky->drop();
1819
1820         /* cleanup menus */
1821         while (g_menumgr.menuCount() > 0) {
1822                 g_menumgr.m_stack.front()->setVisible(false);
1823                 g_menumgr.deletingMenu(g_menumgr.m_stack.front());
1824         }
1825
1826         if (current_formspec) {
1827                 current_formspec->drop();
1828                 current_formspec = NULL;
1829         }
1830
1831         chat_backend->addMessage(L"", L"# Disconnected.");
1832         chat_backend->addMessage(L"", L"");
1833
1834         if (client) {
1835                 client->Stop();
1836                 while (!client->isShutdown()) {
1837                         assert(texture_src != NULL);
1838                         assert(shader_src != NULL);
1839                         texture_src->processQueue();
1840                         shader_src->processQueue();
1841                         sleep_ms(100);
1842                 }
1843         }
1844 }
1845
1846
1847
1848 /****************************************************************************
1849  Startup
1850  ****************************************************************************/
1851
1852 bool Game::init(
1853                 const std::string &map_dir,
1854                 std::string *address,
1855                 u16 port,
1856                 const SubgameSpec &gamespec)
1857 {
1858         showOverlayMessage("Loading...", 0, 0);
1859
1860         texture_src = createTextureSource(device);
1861         shader_src = createShaderSource(device);
1862
1863         itemdef_manager = createItemDefManager();
1864         nodedef_manager = createNodeDefManager();
1865
1866         eventmgr = new EventManager();
1867         quicktune = new QuicktuneShortcutter();
1868
1869         if (!(texture_src && shader_src && itemdef_manager && nodedef_manager
1870                         && eventmgr && quicktune))
1871                 return false;
1872
1873         if (!initSound())
1874                 return false;
1875
1876         // Create a server if not connecting to an existing one
1877         if (*address == "") {
1878                 if (!createSingleplayerServer(map_dir, gamespec, port, address))
1879                         return false;
1880         }
1881
1882         return true;
1883 }
1884
1885 bool Game::initSound()
1886 {
1887 #if USE_SOUND
1888         if (g_settings->getBool("enable_sound")) {
1889                 infostream << "Attempting to use OpenAL audio" << std::endl;
1890                 sound = createOpenALSoundManager(&soundfetcher);
1891                 if (!sound)
1892                         infostream << "Failed to initialize OpenAL audio" << std::endl;
1893         } else
1894                 infostream << "Sound disabled." << std::endl;
1895 #endif
1896
1897         if (!sound) {
1898                 infostream << "Using dummy audio." << std::endl;
1899                 sound = &dummySoundManager;
1900                 sound_is_dummy = true;
1901         }
1902
1903         soundmaker = new SoundMaker(sound, nodedef_manager);
1904         if (!soundmaker)
1905                 return false;
1906
1907         soundmaker->registerReceiver(eventmgr);
1908
1909         return true;
1910 }
1911
1912 bool Game::createSingleplayerServer(const std::string map_dir,
1913                 const SubgameSpec &gamespec, u16 port, std::string *address)
1914 {
1915         showOverlayMessage("Creating server...", 0, 5);
1916
1917         std::string bind_str = g_settings->get("bind_address");
1918         Address bind_addr(0, 0, 0, 0, port);
1919
1920         if (g_settings->getBool("ipv6_server")) {
1921                 bind_addr.setAddress((IPv6AddressBytes *) NULL);
1922         }
1923
1924         try {
1925                 bind_addr.Resolve(bind_str.c_str());
1926         } catch (ResolveError &e) {
1927                 infostream << "Resolving bind address \"" << bind_str
1928                            << "\" failed: " << e.what()
1929                            << " -- Listening on all addresses." << std::endl;
1930         }
1931
1932         if (bind_addr.isIPv6() && !g_settings->getBool("enable_ipv6")) {
1933                 *error_message = L"Unable to listen on " +
1934                                 narrow_to_wide(bind_addr.serializeString()) +
1935                                 L" because IPv6 is disabled";
1936                 errorstream << wide_to_narrow(*error_message) << std::endl;
1937                 return false;
1938         }
1939
1940         server = new Server(map_dir, gamespec, simple_singleplayer_mode,
1941                             bind_addr.isIPv6());
1942
1943         server->start(bind_addr);
1944
1945         return true;
1946 }
1947
1948 bool Game::createClient(const std::string &playername,
1949                 const std::string &password, std::string *address, u16 port,
1950                 std::wstring *error_message)
1951 {
1952         showOverlayMessage("Creating client...", 0, 10);
1953
1954         draw_control = new MapDrawControl;
1955         if (!draw_control)
1956                 return false;
1957
1958         bool could_connect, connect_aborted;
1959
1960         if (!connectToServer(playername, password, address, port,
1961                         &could_connect, &connect_aborted))
1962                 return false;
1963
1964         if (!could_connect) {
1965                 if (*error_message == L"" && !connect_aborted) {
1966                         // Should not happen if error messages are set properly
1967                         *error_message = L"Connection failed for unknown reason";
1968                         errorstream << wide_to_narrow(*error_message) << std::endl;
1969                 }
1970                 return false;
1971         }
1972
1973         if (!getServerContent(&connect_aborted)) {
1974                 if (*error_message == L"" && !connect_aborted) {
1975                         // Should not happen if error messages are set properly
1976                         *error_message = L"Connection failed for unknown reason";
1977                         errorstream << wide_to_narrow(*error_message) << std::endl;
1978                 }
1979                 return false;
1980         }
1981
1982         // Update cached textures, meshes and materials
1983         client->afterContentReceived(device, g_fontengine->getFont());
1984
1985         /* Camera
1986          */
1987         camera = new Camera(smgr, *draw_control, gamedef);
1988         if (!camera || !camera->successfullyCreated(*error_message))
1989                 return false;
1990
1991         /* Clouds
1992          */
1993         if (m_cache_enable_clouds) {
1994                 clouds = new Clouds(smgr->getRootSceneNode(), smgr, -1, time(0));
1995                 if (!clouds) {
1996                         *error_message = L"Memory allocation error";
1997                         *error_message += narrow_to_wide(" (clouds)");
1998                         errorstream << wide_to_narrow(*error_message) << std::endl;
1999                         return false;
2000                 }
2001         }
2002
2003         /* Skybox
2004          */
2005         sky = new Sky(smgr->getRootSceneNode(), smgr, -1, texture_src);
2006         skybox = NULL;  // This is used/set later on in the main run loop
2007
2008         local_inventory = new Inventory(itemdef_manager);
2009
2010         if (!(sky && local_inventory)) {
2011                 *error_message = L"Memory allocation error";
2012                 *error_message += narrow_to_wide(" (sky or local inventory)");
2013                 errorstream << wide_to_narrow(*error_message) << std::endl;
2014                 return false;
2015         }
2016
2017         /* Pre-calculated values
2018          */
2019         video::ITexture *t = texture_src->getTexture("crack_anylength.png");
2020         if (t) {
2021                 v2u32 size = t->getOriginalSize();
2022                 crack_animation_length = size.Y / size.X;
2023         } else {
2024                 crack_animation_length = 5;
2025         }
2026
2027         if (!initGui(error_message))
2028                 return false;
2029
2030         /* Set window caption
2031          */
2032         core::stringw str = L"Minetest [";
2033         str += driver->getName();
2034         str += "]";
2035         device->setWindowCaption(str.c_str());
2036
2037         LocalPlayer *player = client->getEnv().getLocalPlayer();
2038         player->hurt_tilt_timer = 0;
2039         player->hurt_tilt_strength = 0;
2040
2041         hud = new Hud(driver, smgr, guienv, gamedef, player, local_inventory);
2042
2043         if (!hud) {
2044                 *error_message = L"Memory error: could not create HUD";
2045                 errorstream << wide_to_narrow(*error_message) << std::endl;
2046                 return false;
2047         }
2048
2049         return true;
2050 }
2051
2052 bool Game::initGui(std::wstring *error_message)
2053 {
2054         // First line of debug text
2055         guitext = guienv->addStaticText(
2056                         L"Minetest",
2057                         core::rect<s32>(0, 0, 0, 0),
2058                         false, false, guiroot);
2059
2060         // Second line of debug text
2061         guitext2 = guienv->addStaticText(
2062                         L"",
2063                         core::rect<s32>(0, 0, 0, 0),
2064                         false, false, guiroot);
2065
2066         // At the middle of the screen
2067         // Object infos are shown in this
2068         guitext_info = guienv->addStaticText(
2069                         L"",
2070                         core::rect<s32>(0, 0, 400, g_fontengine->getTextHeight() * 5 + 5) + v2s32(100, 200),
2071                         false, true, guiroot);
2072
2073         // Status text (displays info when showing and hiding GUI stuff, etc.)
2074         guitext_status = guienv->addStaticText(
2075                         L"<Status>",
2076                         core::rect<s32>(0, 0, 0, 0),
2077                         false, false, guiroot);
2078         guitext_status->setVisible(false);
2079
2080         // Chat text
2081         guitext_chat = guienv->addStaticText(
2082                         L"",
2083                         core::rect<s32>(0, 0, 0, 0),
2084                         //false, false); // Disable word wrap as of now
2085                         false, true, guiroot);
2086         // Remove stale "recent" chat messages from previous connections
2087         chat_backend->clearRecentChat();
2088
2089         // Chat backend and console
2090         gui_chat_console = new GUIChatConsole(guienv, guienv->getRootGUIElement(),
2091                         -1, chat_backend, client);
2092         if (!gui_chat_console) {
2093                 *error_message = L"Could not allocate memory for chat console";
2094                 errorstream << wide_to_narrow(*error_message) << std::endl;
2095                 return false;
2096         }
2097
2098         // Profiler text (size is updated when text is updated)
2099         guitext_profiler = guienv->addStaticText(
2100                         L"<Profiler>",
2101                         core::rect<s32>(0, 0, 0, 0),
2102                         false, false, guiroot);
2103         guitext_profiler->setBackgroundColor(video::SColor(120, 0, 0, 0));
2104         guitext_profiler->setVisible(false);
2105         guitext_profiler->setWordWrap(true);
2106
2107 #ifdef HAVE_TOUCHSCREENGUI
2108
2109         if (g_touchscreengui)
2110                 g_touchscreengui->init(texture_src, porting::getDisplayDensity());
2111
2112 #endif
2113
2114         return true;
2115 }
2116
2117 bool Game::connectToServer(const std::string &playername,
2118                 const std::string &password, std::string *address, u16 port,
2119                 bool *connect_ok, bool *aborted)
2120 {
2121         *connect_ok = false;    // Let's not be overly optimistic
2122         *aborted = false;
2123         bool local_server_mode = false;
2124
2125         showOverlayMessage("Resolving address...", 0, 15);
2126
2127         Address connect_address(0, 0, 0, 0, port);
2128
2129         try {
2130                 connect_address.Resolve(address->c_str());
2131
2132                 if (connect_address.isZero()) { // i.e. INADDR_ANY, IN6ADDR_ANY
2133                         //connect_address.Resolve("localhost");
2134                         if (connect_address.isIPv6()) {
2135                                 IPv6AddressBytes addr_bytes;
2136                                 addr_bytes.bytes[15] = 1;
2137                                 connect_address.setAddress(&addr_bytes);
2138                         } else {
2139                                 connect_address.setAddress(127, 0, 0, 1);
2140                         }
2141                         local_server_mode = true;
2142                 }
2143         } catch (ResolveError &e) {
2144                 *error_message = L"Couldn't resolve address: " + narrow_to_wide(e.what());
2145                 errorstream << wide_to_narrow(*error_message) << std::endl;
2146                 return false;
2147         }
2148
2149         if (connect_address.isIPv6() && !g_settings->getBool("enable_ipv6")) {
2150                 *error_message = L"Unable to connect to " +
2151                                 narrow_to_wide(connect_address.serializeString()) +
2152                                 L" because IPv6 is disabled";
2153                 errorstream << wide_to_narrow(*error_message) << std::endl;
2154                 return false;
2155         }
2156
2157         client = new Client(device,
2158                         playername.c_str(), password,
2159                         *draw_control, texture_src, shader_src,
2160                         itemdef_manager, nodedef_manager, sound, eventmgr,
2161                         connect_address.isIPv6());
2162
2163         if (!client)
2164                 return false;
2165
2166         gamedef = client;       // Client acts as our GameDef
2167
2168         infostream << "Connecting to server at ";
2169         connect_address.print(&infostream);
2170         infostream << std::endl;
2171
2172         client->connect(connect_address, *address,
2173                 simple_singleplayer_mode || local_server_mode);
2174
2175         /*
2176                 Wait for server to accept connection
2177         */
2178
2179         try {
2180                 input->clear();
2181
2182                 FpsControl fps_control = { 0 };
2183                 f32 dtime; // in seconds
2184
2185                 while (device->run()) {
2186
2187                         limitFps(&fps_control, &dtime);
2188
2189                         // Update client and server
2190                         client->step(dtime);
2191
2192                         if (server != NULL)
2193                                 server->step(dtime);
2194
2195                         // End condition
2196                         if (client->getState() == LC_Init) {
2197                                 *connect_ok = true;
2198                                 break;
2199                         }
2200
2201                         // Break conditions
2202                         if (client->accessDenied()) {
2203                                 *error_message = L"Access denied. Reason: "
2204                                                 + client->accessDeniedReason();
2205                                 errorstream << wide_to_narrow(*error_message) << std::endl;
2206                                 break;
2207                         }
2208
2209                         if (input->wasKeyDown(EscapeKey) || input->wasKeyDown(CancelKey)) {
2210                                 *aborted = true;
2211                                 infostream << "Connect aborted [Escape]" << std::endl;
2212                                 break;
2213                         }
2214
2215                         // Update status
2216                         showOverlayMessage("Connecting to server...", dtime, 20);
2217                 }
2218         } catch (con::PeerNotFoundException &e) {
2219                 // TODO: Should something be done here? At least an info/error
2220                 // message?
2221                 return false;
2222         }
2223
2224         return true;
2225 }
2226
2227 bool Game::getServerContent(bool *aborted)
2228 {
2229         input->clear();
2230
2231         FpsControl fps_control = { 0 };
2232         f32 dtime; // in seconds
2233
2234         while (device->run()) {
2235
2236                 limitFps(&fps_control, &dtime);
2237
2238                 // Update client and server
2239                 client->step(dtime);
2240
2241                 if (server != NULL)
2242                         server->step(dtime);
2243
2244                 // End condition
2245                 if (client->mediaReceived() && client->itemdefReceived() &&
2246                                 client->nodedefReceived()) {
2247                         break;
2248                 }
2249
2250                 // Error conditions
2251                 if (client->accessDenied()) {
2252                         *error_message = L"Access denied. Reason: "
2253                                         + client->accessDeniedReason();
2254                         errorstream << wide_to_narrow(*error_message) << std::endl;
2255                         return false;
2256                 }
2257
2258                 if (client->getState() < LC_Init) {
2259                         *error_message = L"Client disconnected";
2260                         errorstream << wide_to_narrow(*error_message) << std::endl;
2261                         return false;
2262                 }
2263
2264                 if (input->wasKeyDown(EscapeKey) || input->wasKeyDown(CancelKey)) {
2265                         *aborted = true;
2266                         infostream << "Connect aborted [Escape]" << std::endl;
2267                         return false;
2268                 }
2269
2270                 // Display status
2271                 int progress = 25;
2272
2273                 if (!client->itemdefReceived()) {
2274                         wchar_t *text = wgettext("Item definitions...");
2275                         progress = 25;
2276                         draw_load_screen(text, device, guienv, dtime, progress);
2277                         delete[] text;
2278                 } else if (!client->nodedefReceived()) {
2279                         wchar_t *text = wgettext("Node definitions...");
2280                         progress = 30;
2281                         draw_load_screen(text, device, guienv, dtime, progress);
2282                         delete[] text;
2283                 } else {
2284                         std::stringstream message;
2285                         message.precision(3);
2286                         message << gettext("Media...");
2287
2288                         if ((USE_CURL == 0) ||
2289                                         (!g_settings->getBool("enable_remote_media_server"))) {
2290                                 float cur = client->getCurRate();
2291                                 std::string cur_unit = gettext(" KB/s");
2292
2293                                 if (cur > 900) {
2294                                         cur /= 1024.0;
2295                                         cur_unit = gettext(" MB/s");
2296                                 }
2297
2298                                 message << " ( " << cur << cur_unit << " )";
2299                         }
2300
2301                         progress = 30 + client->mediaReceiveProgress() * 35 + 0.5;
2302                         draw_load_screen(narrow_to_wide(message.str().c_str()), device,
2303                                         guienv, dtime, progress);
2304                 }
2305         }
2306
2307         return true;
2308 }
2309
2310
2311
2312 /****************************************************************************
2313  Run
2314  ****************************************************************************/
2315
2316 inline void Game::updateInteractTimers(GameRunData *args, f32 dtime)
2317 {
2318         if (args->nodig_delay_timer >= 0)
2319                 args->nodig_delay_timer -= dtime;
2320
2321         if (args->object_hit_delay_timer >= 0)
2322                 args->object_hit_delay_timer -= dtime;
2323
2324         args->time_from_last_punch += dtime;
2325 }
2326
2327
2328 /* returns false if game should exit, otherwise true
2329  */
2330 inline bool Game::checkConnection()
2331 {
2332         if (client->accessDenied()) {
2333                 *error_message = L"Access denied. Reason: "
2334                                 + client->accessDeniedReason();
2335                 errorstream << wide_to_narrow(*error_message) << std::endl;
2336                 return false;
2337         }
2338
2339         return true;
2340 }
2341
2342
2343 /* returns false if game should exit, otherwise true
2344  */
2345 inline bool Game::handleCallbacks()
2346 {
2347         if (g_gamecallback->disconnect_requested) {
2348                 g_gamecallback->disconnect_requested = false;
2349                 return false;
2350         }
2351
2352         if (g_gamecallback->changepassword_requested) {
2353                 (new GUIPasswordChange(guienv, guiroot, -1,
2354                                        &g_menumgr, client))->drop();
2355                 g_gamecallback->changepassword_requested = false;
2356         }
2357
2358         if (g_gamecallback->changevolume_requested) {
2359                 (new GUIVolumeChange(guienv, guiroot, -1,
2360                                      &g_menumgr, client))->drop();
2361                 g_gamecallback->changevolume_requested = false;
2362         }
2363
2364         if (g_gamecallback->keyconfig_requested) {
2365                 (new GUIKeyChangeMenu(guienv, guiroot, -1,
2366                                       &g_menumgr))->drop();
2367                 g_gamecallback->keyconfig_requested = false;
2368         }
2369
2370         if (g_gamecallback->keyconfig_changed) {
2371                 keycache.populate(); // update the cache with new settings
2372                 g_gamecallback->keyconfig_changed = false;
2373         }
2374
2375         return true;
2376 }
2377
2378
2379 void Game::processQueues()
2380 {
2381         texture_src->processQueue();
2382         itemdef_manager->processQueue(gamedef);
2383         shader_src->processQueue();
2384 }
2385
2386
2387 void Game::updateProfilers(const GameRunData &run_data, const RunStats &stats,
2388                 const FpsControl &draw_times, f32 dtime)
2389 {
2390         float profiler_print_interval =
2391                         g_settings->getFloat("profiler_print_interval");
2392         bool print_to_log = true;
2393
2394         if (profiler_print_interval == 0) {
2395                 print_to_log = false;
2396                 profiler_print_interval = 5;
2397         }
2398
2399         if (profiler_interval.step(dtime, profiler_print_interval)) {
2400                 if (print_to_log) {
2401                         infostream << "Profiler:" << std::endl;
2402                         g_profiler->print(infostream);
2403                 }
2404
2405                 update_profiler_gui(guitext_profiler, g_fontengine,
2406                                 run_data.profiler_current_page, run_data.profiler_max_page,
2407                                 driver->getScreenSize().Height);
2408
2409                 g_profiler->clear();
2410         }
2411
2412         addProfilerGraphs(stats, draw_times, dtime);
2413 }
2414
2415
2416 void Game::addProfilerGraphs(const RunStats &stats,
2417                 const FpsControl &draw_times, f32 dtime)
2418 {
2419         g_profiler->graphAdd("mainloop_other",
2420                         draw_times.busy_time / 1000.0f - stats.drawtime / 1000.0f);
2421
2422         if (draw_times.sleep_time != 0)
2423                 g_profiler->graphAdd("mainloop_sleep", draw_times.sleep_time / 1000.0f);
2424         g_profiler->graphAdd("mainloop_dtime", dtime);
2425
2426         g_profiler->add("Elapsed time", dtime);
2427         g_profiler->avg("FPS", 1. / dtime);
2428 }
2429
2430
2431 void Game::updateStats(RunStats *stats, const FpsControl &draw_times,
2432                 f32 dtime)
2433 {
2434
2435         f32 jitter;
2436         Jitter *jp;
2437
2438         /* Time average and jitter calculation
2439          */
2440         jp = &stats->dtime_jitter;
2441         jp->avg = jp->avg * 0.96 + dtime * 0.04;
2442
2443         jitter = dtime - jp->avg;
2444
2445         if (jitter > jp->max)
2446                 jp->max = jitter;
2447
2448         jp->counter += dtime;
2449
2450         if (jp->counter > 0.0) {
2451                 jp->counter -= 3.0;
2452                 jp->max_sample = jp->max;
2453                 jp->max_fraction = jp->max_sample / (jp->avg + 0.001);
2454                 jp->max = 0.0;
2455         }
2456
2457         /* Busytime average and jitter calculation
2458          */
2459         jp = &stats->busy_time_jitter;
2460         jp->avg = jp->avg + draw_times.busy_time * 0.02;
2461
2462         jitter = draw_times.busy_time - jp->avg;
2463
2464         if (jitter > jp->max)
2465                 jp->max = jitter;
2466         if (jitter < jp->min)
2467                 jp->min = jitter;
2468
2469         jp->counter += dtime;
2470
2471         if (jp->counter > 0.0) {
2472                 jp->counter -= 3.0;
2473                 jp->max_sample = jp->max;
2474                 jp->min_sample = jp->min;
2475                 jp->max = 0.0;
2476                 jp->min = 0.0;
2477         }
2478 }
2479
2480
2481
2482 /****************************************************************************
2483  Input handling
2484  ****************************************************************************/
2485
2486 void Game::processUserInput(VolatileRunFlags *flags,
2487                 GameRunData *interact_args, f32 dtime)
2488 {
2489         // Reset input if window not active or some menu is active
2490         if (device->isWindowActive() == false
2491                         || noMenuActive() == false
2492                         || guienv->hasFocus(gui_chat_console)) {
2493                 input->clear();
2494         }
2495
2496         if (!guienv->hasFocus(gui_chat_console) && gui_chat_console->isOpen()) {
2497                 gui_chat_console->closeConsoleAtOnce();
2498         }
2499
2500         // Input handler step() (used by the random input generator)
2501         input->step(dtime);
2502
2503 #ifdef HAVE_TOUCHSCREENGUI
2504
2505         if (g_touchscreengui) {
2506                 g_touchscreengui->step(dtime);
2507         }
2508
2509 #endif
2510 #ifdef __ANDROID__
2511
2512         if (current_formspec != 0)
2513                 current_formspec->getAndroidUIInput();
2514
2515 #endif
2516
2517         // Increase timer for double tap of "keymap_jump"
2518         if (m_cache_doubletap_jump && interact_args->jump_timer <= 0.2)
2519                 interact_args->jump_timer += dtime;
2520
2521         processKeyboardInput(
2522                         flags,
2523                         &interact_args->statustext_time,
2524                         &interact_args->jump_timer,
2525                         &interact_args->reset_jump_timer,
2526                         &interact_args->profiler_current_page,
2527                         interact_args->profiler_max_page);
2528
2529         processItemSelection(&interact_args->new_playeritem);
2530 }
2531
2532
2533 void Game::processKeyboardInput(VolatileRunFlags *flags,
2534                 float *statustext_time,
2535                 float *jump_timer,
2536                 bool *reset_jump_timer,
2537                 u32 *profiler_current_page,
2538                 u32 profiler_max_page)
2539 {
2540
2541         //TimeTaker tt("process kybd input", NULL, PRECISION_NANO);
2542
2543         if (input->wasKeyDown(keycache.key[KeyCache::KEYMAP_ID_DROP])) {
2544                 dropSelectedItem();
2545         } else if (input->wasKeyDown(keycache.key[KeyCache::KEYMAP_ID_INVENTORY])) {
2546                 openInventory();
2547         } else if (input->wasKeyDown(EscapeKey) || input->wasKeyDown(CancelKey)) {
2548                 show_pause_menu(&current_formspec, client, gamedef, texture_src, device,
2549                                 simple_singleplayer_mode);
2550         } else if (input->wasKeyDown(keycache.key[KeyCache::KEYMAP_ID_CHAT])) {
2551                 show_chat_menu(&current_formspec, client, gamedef, texture_src, device,
2552                                 client, "");
2553         } else if (input->wasKeyDown(keycache.key[KeyCache::KEYMAP_ID_CMD])) {
2554                 show_chat_menu(&current_formspec, client, gamedef, texture_src, device,
2555                                 client, "/");
2556         } else if (input->wasKeyDown(keycache.key[KeyCache::KEYMAP_ID_CONSOLE])) {
2557                 openConsole();
2558         } else if (input->wasKeyDown(keycache.key[KeyCache::KEYMAP_ID_FREEMOVE])) {
2559                 toggleFreeMove(statustext_time);
2560         } else if (input->wasKeyDown(keycache.key[KeyCache::KEYMAP_ID_JUMP])) {
2561                 toggleFreeMoveAlt(statustext_time, jump_timer);
2562                 *reset_jump_timer = true;
2563         } else if (input->wasKeyDown(keycache.key[KeyCache::KEYMAP_ID_FASTMOVE])) {
2564                 toggleFast(statustext_time);
2565         } else if (input->wasKeyDown(keycache.key[KeyCache::KEYMAP_ID_NOCLIP])) {
2566                 toggleNoClip(statustext_time);
2567         } else if (input->wasKeyDown(keycache.key[KeyCache::KEYMAP_ID_SCREENSHOT])) {
2568                 client->makeScreenshot(device);
2569         } else if (input->wasKeyDown(keycache.key[KeyCache::KEYMAP_ID_TOGGLE_HUD])) {
2570                 toggleHud(statustext_time, &flags->show_hud);
2571         } else if (input->wasKeyDown(keycache.key[KeyCache::KEYMAP_ID_TOGGLE_CHAT])) {
2572                 toggleChat(statustext_time, &flags->show_chat);
2573         } else if (input->wasKeyDown(keycache.key[KeyCache::KEYMAP_ID_TOGGLE_FORCE_FOG_OFF])) {
2574                 toggleFog(statustext_time, &flags->force_fog_off);
2575         } else if (input->wasKeyDown(keycache.key[KeyCache::KEYMAP_ID_TOGGLE_UPDATE_CAMERA])) {
2576                 toggleUpdateCamera(statustext_time, &flags->disable_camera_update);
2577         } else if (input->wasKeyDown(keycache.key[KeyCache::KEYMAP_ID_TOGGLE_DEBUG])) {
2578                 toggleDebug(statustext_time, &flags->show_debug, &flags->show_profiler_graph);
2579         } else if (input->wasKeyDown(keycache.key[KeyCache::KEYMAP_ID_TOGGLE_PROFILER])) {
2580                 toggleProfiler(statustext_time, profiler_current_page, profiler_max_page);
2581         } else if (input->wasKeyDown(keycache.key[KeyCache::KEYMAP_ID_INCREASE_VIEWING_RANGE])) {
2582                 increaseViewRange(statustext_time);
2583         } else if (input->wasKeyDown(keycache.key[KeyCache::KEYMAP_ID_DECREASE_VIEWING_RANGE])) {
2584                 decreaseViewRange(statustext_time);
2585         } else if (input->wasKeyDown(keycache.key[KeyCache::KEYMAP_ID_RANGESELECT])) {
2586                 toggleFullViewRange(statustext_time);
2587         } else if (input->wasKeyDown(keycache.key[KeyCache::KEYMAP_ID_QUICKTUNE_NEXT]))
2588                 quicktune->next();
2589         else if (input->wasKeyDown(keycache.key[KeyCache::KEYMAP_ID_QUICKTUNE_PREV]))
2590                 quicktune->prev();
2591         else if (input->wasKeyDown(keycache.key[KeyCache::KEYMAP_ID_QUICKTUNE_INC]))
2592                 quicktune->inc();
2593         else if (input->wasKeyDown(keycache.key[KeyCache::KEYMAP_ID_QUICKTUNE_DEC]))
2594                 quicktune->dec();
2595         else if (input->wasKeyDown(keycache.key[KeyCache::KEYMAP_ID_DEBUG_STACKS])) {
2596                 // Print debug stacks
2597                 dstream << "-----------------------------------------"
2598                         << std::endl;
2599                 dstream << DTIME << "Printing debug stacks:" << std::endl;
2600                 dstream << "-----------------------------------------"
2601                         << std::endl;
2602                 debug_stacks_print();
2603         }
2604
2605         if (!input->isKeyDown(getKeySetting("keymap_jump")) && *reset_jump_timer) {
2606                 *reset_jump_timer = false;
2607                 *jump_timer = 0.0;
2608         }
2609
2610         //tt.stop();
2611
2612         if (quicktune->hasMessage()) {
2613                 std::string msg = quicktune->getMessage();
2614                 statustext = narrow_to_wide(msg);
2615                 *statustext_time = 0;
2616         }
2617 }
2618
2619
2620 void Game::processItemSelection(u16 *new_playeritem)
2621 {
2622         LocalPlayer *player = client->getEnv().getLocalPlayer();
2623
2624         /* Item selection using mouse wheel
2625          */
2626         *new_playeritem = client->getPlayerItem();
2627
2628         s32 wheel = input->getMouseWheel();
2629         u16 max_item = MYMIN(PLAYER_INVENTORY_SIZE - 1,
2630                                  player->hud_hotbar_itemcount - 1);
2631
2632         if (wheel < 0)
2633                 *new_playeritem = *new_playeritem < max_item ? *new_playeritem + 1 : 0;
2634         else if (wheel > 0)
2635                 *new_playeritem = *new_playeritem > 0 ? *new_playeritem - 1 : max_item;
2636         // else wheel == 0
2637
2638
2639         /* Item selection using keyboard
2640          */
2641         for (u16 i = 0; i < 10; i++) {
2642                 static const KeyPress *item_keys[10] = {
2643                         NumberKey + 1, NumberKey + 2, NumberKey + 3, NumberKey + 4,
2644                         NumberKey + 5, NumberKey + 6, NumberKey + 7, NumberKey + 8,
2645                         NumberKey + 9, NumberKey + 0,
2646                 };
2647
2648                 if (input->wasKeyDown(*item_keys[i])) {
2649                         if (i < PLAYER_INVENTORY_SIZE && i < player->hud_hotbar_itemcount) {
2650                                 *new_playeritem = i;
2651                                 infostream << "Selected item: " << new_playeritem << std::endl;
2652                         }
2653                         break;
2654                 }
2655         }
2656 }
2657
2658
2659 void Game::dropSelectedItem()
2660 {
2661         IDropAction *a = new IDropAction();
2662         a->count = 0;
2663         a->from_inv.setCurrentPlayer();
2664         a->from_list = "main";
2665         a->from_i = client->getPlayerItem();
2666         client->inventoryAction(a);
2667 }
2668
2669
2670 void Game::openInventory()
2671 {
2672         infostream << "the_game: " << "Launching inventory" << std::endl;
2673
2674         PlayerInventoryFormSource *fs_src = new PlayerInventoryFormSource(client);
2675         TextDest *txt_dst = new TextDestPlayerInventory(client);
2676
2677         create_formspec_menu(&current_formspec, client, gamedef, texture_src,
2678                         device, fs_src, txt_dst, client);
2679
2680         InventoryLocation inventoryloc;
2681         inventoryloc.setCurrentPlayer();
2682         current_formspec->setFormSpec(fs_src->getForm(), inventoryloc);
2683 }
2684
2685
2686 void Game::openConsole()
2687 {
2688         if (!gui_chat_console->isOpenInhibited()) {
2689                 // Open up to over half of the screen
2690                 gui_chat_console->openConsole(0.6);
2691                 guienv->setFocus(gui_chat_console);
2692         }
2693 }
2694
2695
2696 void Game::toggleFreeMove(float *statustext_time)
2697 {
2698         static const wchar_t *msg[] = { L"free_move disabled", L"free_move enabled" };
2699
2700         bool free_move = !g_settings->getBool("free_move");
2701         g_settings->set("free_move", bool_to_cstr(free_move));
2702
2703         *statustext_time = 0;
2704         statustext = msg[free_move];
2705         if (free_move && !client->checkPrivilege("fly"))
2706                 statustext += L" (note: no 'fly' privilege)";
2707 }
2708
2709
2710 void Game::toggleFreeMoveAlt(float *statustext_time, float *jump_timer)
2711 {
2712         if (m_cache_doubletap_jump && *jump_timer < 0.2f)
2713                 toggleFreeMove(statustext_time);
2714 }
2715
2716
2717 void Game::toggleFast(float *statustext_time)
2718 {
2719         static const wchar_t *msg[] = { L"fast_move disabled", L"fast_move enabled" };
2720         bool fast_move = !g_settings->getBool("fast_move");
2721         g_settings->set("fast_move", bool_to_cstr(fast_move));
2722
2723         *statustext_time = 0;
2724         statustext = msg[fast_move];
2725
2726         if (fast_move && !client->checkPrivilege("fast"))
2727                 statustext += L" (note: no 'fast' privilege)";
2728 }
2729
2730
2731 void Game::toggleNoClip(float *statustext_time)
2732 {
2733         static const wchar_t *msg[] = { L"noclip disabled", L"noclip enabled" };
2734         bool noclip = !g_settings->getBool("noclip");
2735         g_settings->set("noclip", bool_to_cstr(noclip));
2736
2737         *statustext_time = 0;
2738         statustext = msg[noclip];
2739
2740         if (noclip && !client->checkPrivilege("noclip"))
2741                 statustext += L" (note: no 'noclip' privilege)";
2742 }
2743
2744
2745 void Game::toggleChat(float *statustext_time, bool *flag)
2746 {
2747         static const wchar_t *msg[] = { L"Chat hidden", L"Chat shown" };
2748
2749         *flag = !*flag;
2750         *statustext_time = 0;
2751         statustext = msg[*flag];
2752 }
2753
2754
2755 void Game::toggleHud(float *statustext_time, bool *flag)
2756 {
2757         static const wchar_t *msg[] = { L"HUD hidden", L"HUD shown" };
2758
2759         *flag = !*flag;
2760         *statustext_time = 0;
2761         statustext = msg[*flag];
2762         if (g_settings->getBool("enable_node_highlighting"))
2763                 client->setHighlighted(client->getHighlighted(), *flag);
2764 }
2765
2766
2767 void Game::toggleFog(float *statustext_time, bool *flag)
2768 {
2769         static const wchar_t *msg[] = { L"Fog enabled", L"Fog disabled" };
2770
2771         *flag = !*flag;
2772         *statustext_time = 0;
2773         statustext = msg[*flag];
2774 }
2775
2776
2777 void Game::toggleDebug(float *statustext_time, bool *show_debug,
2778                 bool *show_profiler_graph)
2779 {
2780         // Initial / 3x toggle: Chat only
2781         // 1x toggle: Debug text with chat
2782         // 2x toggle: Debug text with profiler graph
2783         if (!*show_debug) {
2784                 *show_debug = true;
2785                 *show_profiler_graph = false;
2786                 statustext = L"Debug info shown";
2787         } else if (*show_profiler_graph) {
2788                 *show_debug = false;
2789                 *show_profiler_graph = false;
2790                 statustext = L"Debug info and profiler graph hidden";
2791         } else {
2792                 *show_profiler_graph = true;
2793                 statustext = L"Profiler graph shown";
2794         }
2795         *statustext_time = 0;
2796 }
2797
2798
2799 void Game::toggleUpdateCamera(float *statustext_time, bool *flag)
2800 {
2801         static const wchar_t *msg[] = {
2802                 L"Camera update enabled",
2803                 L"Camera update disabled"
2804         };
2805
2806         *flag = !*flag;
2807         *statustext_time = 0;
2808         statustext = msg[*flag];
2809 }
2810
2811
2812 void Game::toggleProfiler(float *statustext_time, u32 *profiler_current_page,
2813                 u32 profiler_max_page)
2814 {
2815         *profiler_current_page = (*profiler_current_page + 1) % (profiler_max_page + 1);
2816
2817         // FIXME: This updates the profiler with incomplete values
2818         update_profiler_gui(guitext_profiler, g_fontengine, *profiler_current_page,
2819                         profiler_max_page, driver->getScreenSize().Height);
2820
2821         if (*profiler_current_page != 0) {
2822                 std::wstringstream sstr;
2823                 sstr << "Profiler shown (page " << *profiler_current_page
2824                      << " of " << profiler_max_page << ")";
2825                 statustext = sstr.str();
2826         } else {
2827                 statustext = L"Profiler hidden";
2828         }
2829         *statustext_time = 0;
2830 }
2831
2832
2833 void Game::increaseViewRange(float *statustext_time)
2834 {
2835         s16 range = g_settings->getS16("viewing_range_nodes_min");
2836         s16 range_new = range + 10;
2837         g_settings->set("viewing_range_nodes_min", itos(range_new));
2838         statustext = narrow_to_wide("Minimum viewing range changed to "
2839                         + itos(range_new));
2840         *statustext_time = 0;
2841 }
2842
2843
2844 void Game::decreaseViewRange(float *statustext_time)
2845 {
2846         s16 range = g_settings->getS16("viewing_range_nodes_min");
2847         s16 range_new = range - 10;
2848
2849         if (range_new < 0)
2850                 range_new = range;
2851
2852         g_settings->set("viewing_range_nodes_min", itos(range_new));
2853         statustext = narrow_to_wide("Minimum viewing range changed to "
2854                         + itos(range_new));
2855         *statustext_time = 0;
2856 }
2857
2858
2859 void Game::toggleFullViewRange(float *statustext_time)
2860 {
2861         static const wchar_t *msg[] = {
2862                 L"Disabled full viewing range",
2863                 L"Enabled full viewing range"
2864         };
2865
2866         draw_control->range_all = !draw_control->range_all;
2867         infostream << msg[draw_control->range_all] << std::endl;
2868         statustext = msg[draw_control->range_all];
2869         *statustext_time = 0;
2870 }
2871
2872
2873 void Game::updateCameraDirection(CameraOrientation *cam,
2874                 VolatileRunFlags *flags)
2875 {
2876         if ((device->isWindowActive() && noMenuActive()) || random_input) {
2877
2878 #ifndef __ANDROID__
2879                 if (!random_input) {
2880                         // Mac OSX gets upset if this is set every frame
2881                         if (device->getCursorControl()->isVisible())
2882                                 device->getCursorControl()->setVisible(false);
2883                 }
2884 #endif
2885
2886                 if (flags->first_loop_after_window_activation)
2887                         flags->first_loop_after_window_activation = false;
2888                 else
2889                         updateCameraOrientation(cam, *flags);
2890
2891                 input->setMousePos((driver->getScreenSize().Width / 2),
2892                                 (driver->getScreenSize().Height / 2));
2893         } else {
2894
2895 #ifndef ANDROID
2896                 // Mac OSX gets upset if this is set every frame
2897                 if (device->getCursorControl()->isVisible() == false)
2898                         device->getCursorControl()->setVisible(true);
2899 #endif
2900
2901                 if (!flags->first_loop_after_window_activation)
2902                         flags->first_loop_after_window_activation = true;
2903
2904         }
2905 }
2906
2907
2908 void Game::updateCameraOrientation(CameraOrientation *cam,
2909                 const VolatileRunFlags &flags)
2910 {
2911 #ifdef HAVE_TOUCHSCREENGUI
2912         if (g_touchscreengui) {
2913                 cam->camera_yaw   = g_touchscreengui->getYaw();
2914                 cam->camera_pitch = g_touchscreengui->getPitch();
2915         } else {
2916 #endif
2917                 s32 dx = input->getMousePos().X - (driver->getScreenSize().Width / 2);
2918                 s32 dy = input->getMousePos().Y - (driver->getScreenSize().Height / 2);
2919
2920                 if (flags.invert_mouse
2921                                 || camera->getCameraMode() == CAMERA_MODE_THIRD_FRONT) {
2922                         dy = -dy;
2923                 }
2924
2925                 cam->camera_yaw   -= dx * m_cache_mouse_sensitivity;
2926                 cam->camera_pitch += dy * m_cache_mouse_sensitivity;
2927
2928 #ifdef HAVE_TOUCHSCREENGUI
2929         }
2930 #endif
2931
2932         cam->camera_pitch = rangelim(cam->camera_pitch, -89.5, 89.5);
2933 }
2934
2935
2936 void Game::updatePlayerControl(const CameraOrientation &cam)
2937 {
2938         //TimeTaker tt("update player control", NULL, PRECISION_NANO);
2939
2940         PlayerControl control(
2941                 input->isKeyDown(keycache.key[KeyCache::KEYMAP_ID_FORWARD]),
2942                 input->isKeyDown(keycache.key[KeyCache::KEYMAP_ID_BACKWARD]),
2943                 input->isKeyDown(keycache.key[KeyCache::KEYMAP_ID_LEFT]),
2944                 input->isKeyDown(keycache.key[KeyCache::KEYMAP_ID_RIGHT]),
2945                 input->isKeyDown(keycache.key[KeyCache::KEYMAP_ID_JUMP]),
2946                 input->isKeyDown(keycache.key[KeyCache::KEYMAP_ID_SPECIAL1]),
2947                 input->isKeyDown(keycache.key[KeyCache::KEYMAP_ID_SNEAK]),
2948                 input->getLeftState(),
2949                 input->getRightState(),
2950                 cam.camera_pitch,
2951                 cam.camera_yaw
2952         );
2953         client->setPlayerControl(control);
2954         LocalPlayer *player = client->getEnv().getLocalPlayer();
2955         player->keyPressed =
2956                 ( (u32)(input->isKeyDown(keycache.key[KeyCache::KEYMAP_ID_FORWARD])  & 0x1) << 0) |
2957                 ( (u32)(input->isKeyDown(keycache.key[KeyCache::KEYMAP_ID_BACKWARD]) & 0x1) << 1) |
2958                 ( (u32)(input->isKeyDown(keycache.key[KeyCache::KEYMAP_ID_LEFT])     & 0x1) << 2) |
2959                 ( (u32)(input->isKeyDown(keycache.key[KeyCache::KEYMAP_ID_RIGHT])    & 0x1) << 3) |
2960                 ( (u32)(input->isKeyDown(keycache.key[KeyCache::KEYMAP_ID_JUMP])     & 0x1) << 4) |
2961                 ( (u32)(input->isKeyDown(keycache.key[KeyCache::KEYMAP_ID_SPECIAL1]) & 0x1) << 5) |
2962                 ( (u32)(input->isKeyDown(keycache.key[KeyCache::KEYMAP_ID_SNEAK])    & 0x1) << 6) |
2963                 ( (u32)(input->getLeftState()                                        & 0x1) << 7) |
2964                 ( (u32)(input->getRightState()                                       & 0x1) << 8
2965         );
2966
2967         //tt.stop();
2968 }
2969
2970
2971 inline void Game::step(f32 *dtime)
2972 {
2973         bool can_be_and_is_paused =
2974                         (simple_singleplayer_mode && g_menumgr.pausesGame());
2975
2976         if (can_be_and_is_paused) {     // This is for a singleplayer server
2977                 *dtime = 0;             // No time passes
2978         } else {
2979                 if (server != NULL) {
2980                         //TimeTaker timer("server->step(dtime)");
2981                         server->step(*dtime);
2982                 }
2983
2984                 //TimeTaker timer("client.step(dtime)");
2985                 client->step(*dtime);
2986         }
2987 }
2988
2989
2990 void Game::processClientEvents(CameraOrientation *cam, float *damage_flash)
2991 {
2992         ClientEvent event = client->getClientEvent();
2993
2994         LocalPlayer *player = client->getEnv().getLocalPlayer();
2995
2996         for ( ; event.type != CE_NONE; event = client->getClientEvent()) {
2997
2998                 if (event.type == CE_PLAYER_DAMAGE &&
2999                                 client->getHP() != 0) {
3000                         //u16 damage = event.player_damage.amount;
3001                         //infostream<<"Player damage: "<<damage<<std::endl;
3002
3003                         *damage_flash += 100.0;
3004                         *damage_flash += 8.0 * event.player_damage.amount;
3005
3006                         player->hurt_tilt_timer = 1.5;
3007                         player->hurt_tilt_strength = event.player_damage.amount / 4;
3008                         player->hurt_tilt_strength = rangelim(player->hurt_tilt_strength, 1.0, 4.0);
3009
3010                         MtEvent *e = new SimpleTriggerEvent("PlayerDamage");
3011                         gamedef->event()->put(e);
3012                 } else if (event.type == CE_PLAYER_FORCE_MOVE) {
3013                         cam->camera_yaw = event.player_force_move.yaw;
3014                         cam->camera_pitch = event.player_force_move.pitch;
3015                 } else if (event.type == CE_DEATHSCREEN) {
3016                         show_deathscreen(&current_formspec, client, gamedef, texture_src,
3017                                          device, client);
3018
3019                         chat_backend->addMessage(L"", L"You died.");
3020
3021                         /* Handle visualization */
3022                         *damage_flash = 0;
3023                         player->hurt_tilt_timer = 0;
3024                         player->hurt_tilt_strength = 0;
3025
3026                 } else if (event.type == CE_SHOW_FORMSPEC) {
3027                         FormspecFormSource *fs_src =
3028                                 new FormspecFormSource(*(event.show_formspec.formspec));
3029                         TextDestPlayerInventory *txt_dst =
3030                                 new TextDestPlayerInventory(client, *(event.show_formspec.formname));
3031
3032                         create_formspec_menu(&current_formspec, client, gamedef,
3033                                              texture_src, device, fs_src, txt_dst, client);
3034
3035                         delete(event.show_formspec.formspec);
3036                         delete(event.show_formspec.formname);
3037                 } else if ((event.type == CE_SPAWN_PARTICLE) ||
3038                                 (event.type == CE_ADD_PARTICLESPAWNER) ||
3039                                 (event.type == CE_DELETE_PARTICLESPAWNER)) {
3040                         client->getParticleManager()->handleParticleEvent(&event, gamedef,
3041                                         smgr, player);
3042                 } else if (event.type == CE_HUDADD) {
3043                         u32 id = event.hudadd.id;
3044
3045                         LocalPlayer *player = client->getEnv().getLocalPlayer();
3046                         HudElement *e = player->getHud(id);
3047
3048                         if (e != NULL) {
3049                                 delete event.hudadd.pos;
3050                                 delete event.hudadd.name;
3051                                 delete event.hudadd.scale;
3052                                 delete event.hudadd.text;
3053                                 delete event.hudadd.align;
3054                                 delete event.hudadd.offset;
3055                                 delete event.hudadd.world_pos;
3056                                 delete event.hudadd.size;
3057                                 continue;
3058                         }
3059
3060                         e = new HudElement;
3061                         e->type   = (HudElementType)event.hudadd.type;
3062                         e->pos    = *event.hudadd.pos;
3063                         e->name   = *event.hudadd.name;
3064                         e->scale  = *event.hudadd.scale;
3065                         e->text   = *event.hudadd.text;
3066                         e->number = event.hudadd.number;
3067                         e->item   = event.hudadd.item;
3068                         e->dir    = event.hudadd.dir;
3069                         e->align  = *event.hudadd.align;
3070                         e->offset = *event.hudadd.offset;
3071                         e->world_pos = *event.hudadd.world_pos;
3072                         e->size = *event.hudadd.size;
3073
3074                         u32 new_id = player->addHud(e);
3075                         //if this isn't true our huds aren't consistent
3076                         assert(new_id == id);
3077
3078                         delete event.hudadd.pos;
3079                         delete event.hudadd.name;
3080                         delete event.hudadd.scale;
3081                         delete event.hudadd.text;
3082                         delete event.hudadd.align;
3083                         delete event.hudadd.offset;
3084                         delete event.hudadd.world_pos;
3085                         delete event.hudadd.size;
3086                 } else if (event.type == CE_HUDRM) {
3087                         HudElement *e = player->removeHud(event.hudrm.id);
3088
3089                         if (e != NULL)
3090                                 delete(e);
3091                 } else if (event.type == CE_HUDCHANGE) {
3092                         u32 id = event.hudchange.id;
3093                         HudElement *e = player->getHud(id);
3094
3095                         if (e == NULL) {
3096                                 delete event.hudchange.v3fdata;
3097                                 delete event.hudchange.v2fdata;
3098                                 delete event.hudchange.sdata;
3099                                 delete event.hudchange.v2s32data;
3100                                 continue;
3101                         }
3102
3103                         switch (event.hudchange.stat) {
3104                         case HUD_STAT_POS:
3105                                 e->pos = *event.hudchange.v2fdata;
3106                                 break;
3107
3108                         case HUD_STAT_NAME:
3109                                 e->name = *event.hudchange.sdata;
3110                                 break;
3111
3112                         case HUD_STAT_SCALE:
3113                                 e->scale = *event.hudchange.v2fdata;
3114                                 break;
3115
3116                         case HUD_STAT_TEXT:
3117                                 e->text = *event.hudchange.sdata;
3118                                 break;
3119
3120                         case HUD_STAT_NUMBER:
3121                                 e->number = event.hudchange.data;
3122                                 break;
3123
3124                         case HUD_STAT_ITEM:
3125                                 e->item = event.hudchange.data;
3126                                 break;
3127
3128                         case HUD_STAT_DIR:
3129                                 e->dir = event.hudchange.data;
3130                                 break;
3131
3132                         case HUD_STAT_ALIGN:
3133                                 e->align = *event.hudchange.v2fdata;
3134                                 break;
3135
3136                         case HUD_STAT_OFFSET:
3137                                 e->offset = *event.hudchange.v2fdata;
3138                                 break;
3139
3140                         case HUD_STAT_WORLD_POS:
3141                                 e->world_pos = *event.hudchange.v3fdata;
3142                                 break;
3143
3144                         case HUD_STAT_SIZE:
3145                                 e->size = *event.hudchange.v2s32data;
3146                                 break;
3147                         }
3148
3149                         delete event.hudchange.v3fdata;
3150                         delete event.hudchange.v2fdata;
3151                         delete event.hudchange.sdata;
3152                         delete event.hudchange.v2s32data;
3153                 } else if (event.type == CE_SET_SKY) {
3154                         sky->setVisible(false);
3155
3156                         if (skybox) {
3157                                 skybox->remove();
3158                                 skybox = NULL;
3159                         }
3160
3161                         // Handle according to type
3162                         if (*event.set_sky.type == "regular") {
3163                                 sky->setVisible(true);
3164                         } else if (*event.set_sky.type == "skybox" &&
3165                                         event.set_sky.params->size() == 6) {
3166                                 sky->setFallbackBgColor(*event.set_sky.bgcolor);
3167                                 skybox = smgr->addSkyBoxSceneNode(
3168                                                  texture_src->getTexture((*event.set_sky.params)[0]),
3169                                                  texture_src->getTexture((*event.set_sky.params)[1]),
3170                                                  texture_src->getTexture((*event.set_sky.params)[2]),
3171                                                  texture_src->getTexture((*event.set_sky.params)[3]),
3172                                                  texture_src->getTexture((*event.set_sky.params)[4]),
3173                                                  texture_src->getTexture((*event.set_sky.params)[5]));
3174                         }
3175                         // Handle everything else as plain color
3176                         else {
3177                                 if (*event.set_sky.type != "plain")
3178                                         infostream << "Unknown sky type: "
3179                                                    << (*event.set_sky.type) << std::endl;
3180
3181                                 sky->setFallbackBgColor(*event.set_sky.bgcolor);
3182                         }
3183
3184                         delete event.set_sky.bgcolor;
3185                         delete event.set_sky.type;
3186                         delete event.set_sky.params;
3187                 } else if (event.type == CE_OVERRIDE_DAY_NIGHT_RATIO) {
3188                         bool enable = event.override_day_night_ratio.do_override;
3189                         u32 value = event.override_day_night_ratio.ratio_f * 1000;
3190                         client->getEnv().setDayNightRatioOverride(enable, value);
3191                 }
3192         }
3193 }
3194
3195
3196 void Game::updateCamera(VolatileRunFlags *flags, u32 busy_time,
3197                 f32 dtime, float time_from_last_punch)
3198 {
3199         LocalPlayer *player = client->getEnv().getLocalPlayer();
3200
3201         /*
3202                 For interaction purposes, get info about the held item
3203                 - What item is it?
3204                 - Is it a usable item?
3205                 - Can it point to liquids?
3206         */
3207         ItemStack playeritem;
3208         {
3209                 InventoryList *mlist = local_inventory->getList("main");
3210
3211                 if (mlist && client->getPlayerItem() < mlist->getSize())
3212                         playeritem = mlist->getItem(client->getPlayerItem());
3213         }
3214
3215         ToolCapabilities playeritem_toolcap =
3216                 playeritem.getToolCapabilities(itemdef_manager);
3217
3218         v3s16 old_camera_offset = camera->getOffset();
3219
3220         if (input->wasKeyDown(keycache.key[KeyCache::KEYMAP_ID_CAMERA_MODE])) {
3221                 camera->toggleCameraMode();
3222                 GenericCAO *playercao = player->getCAO();
3223
3224                 assert(playercao != NULL);
3225
3226                 playercao->setVisible(camera->getCameraMode() > CAMERA_MODE_FIRST);
3227         }
3228
3229         float full_punch_interval = playeritem_toolcap.full_punch_interval;
3230         float tool_reload_ratio = time_from_last_punch / full_punch_interval;
3231
3232         tool_reload_ratio = MYMIN(tool_reload_ratio, 1.0);
3233         camera->update(player, dtime, busy_time / 1000.0f, tool_reload_ratio,
3234                       client->getEnv());
3235         camera->step(dtime);
3236
3237         v3f camera_position = camera->getPosition();
3238         v3f camera_direction = camera->getDirection();
3239         f32 camera_fov = camera->getFovMax();
3240         v3s16 camera_offset = camera->getOffset();
3241
3242         flags->camera_offset_changed = (camera_offset != old_camera_offset);
3243
3244         if (!flags->disable_camera_update) {
3245                 client->getEnv().getClientMap().updateCamera(camera_position,
3246                                 camera_direction, camera_fov, camera_offset);
3247
3248                 if (flags->camera_offset_changed) {
3249                         client->updateCameraOffset(camera_offset);
3250                         client->getEnv().updateCameraOffset(camera_offset);
3251
3252                         if (clouds)
3253                                 clouds->updateCameraOffset(camera_offset);
3254                 }
3255         }
3256 }
3257
3258
3259 void Game::updateSound(f32 dtime)
3260 {
3261         // Update sound listener
3262         v3s16 camera_offset = camera->getOffset();
3263         sound->updateListener(camera->getCameraNode()->getPosition() + intToFloat(camera_offset, BS),
3264                               v3f(0, 0, 0), // velocity
3265                               camera->getDirection(),
3266                               camera->getCameraNode()->getUpVector());
3267         sound->setListenerGain(g_settings->getFloat("sound_volume"));
3268
3269
3270         //      Update sound maker
3271         soundmaker->step(dtime);
3272
3273         LocalPlayer *player = client->getEnv().getLocalPlayer();
3274
3275         ClientMap &map = client->getEnv().getClientMap();
3276         MapNode n = map.getNodeNoEx(player->getStandingNodePos());
3277         soundmaker->m_player_step_sound = nodedef_manager->get(n).sound_footstep;
3278 }
3279
3280
3281 void Game::processPlayerInteraction(std::vector<aabb3f> &highlight_boxes,
3282                 GameRunData *runData, f32 dtime, bool show_hud, bool show_debug)
3283 {
3284         LocalPlayer *player = client->getEnv().getLocalPlayer();
3285
3286         ItemStack playeritem;
3287         {
3288                 InventoryList *mlist = local_inventory->getList("main");
3289
3290                 if (mlist && client->getPlayerItem() < mlist->getSize())
3291                         playeritem = mlist->getItem(client->getPlayerItem());
3292         }
3293
3294         const ItemDefinition &playeritem_def =
3295                         playeritem.getDefinition(itemdef_manager);
3296
3297         v3f player_position  = player->getPosition();
3298         v3f camera_position  = camera->getPosition();
3299         v3f camera_direction = camera->getDirection();
3300         v3s16 camera_offset  = camera->getOffset();
3301
3302
3303         /*
3304                 Calculate what block is the crosshair pointing to
3305         */
3306
3307         f32 d = playeritem_def.range; // max. distance
3308         f32 d_hand = itemdef_manager->get("").range;
3309
3310         if (d < 0 && d_hand >= 0)
3311                 d = d_hand;
3312         else if (d < 0)
3313                 d = 4.0;
3314
3315         core::line3d<f32> shootline;
3316
3317         if (camera->getCameraMode() != CAMERA_MODE_THIRD_FRONT) {
3318
3319                 shootline = core::line3d<f32>(camera_position,
3320                                                 camera_position + camera_direction * BS * (d + 1));
3321
3322         } else {
3323             // prevent player pointing anything in front-view
3324                 if (camera->getCameraMode() == CAMERA_MODE_THIRD_FRONT)
3325                         shootline = core::line3d<f32>(0, 0, 0, 0, 0, 0);
3326         }
3327
3328 #ifdef HAVE_TOUCHSCREENGUI
3329
3330         if ((g_settings->getBool("touchtarget")) && (g_touchscreengui)) {
3331                 shootline = g_touchscreengui->getShootline();
3332                 shootline.start += intToFloat(camera_offset, BS);
3333                 shootline.end += intToFloat(camera_offset, BS);
3334         }
3335
3336 #endif
3337
3338         PointedThing pointed = getPointedThing(
3339                         // input
3340                         client, player_position, camera_direction,
3341                         camera_position, shootline, d,
3342                         playeritem_def.liquids_pointable,
3343                         !runData->ldown_for_dig,
3344                         camera_offset,
3345                         // output
3346                         highlight_boxes,
3347                         runData->selected_object);
3348
3349         if (pointed != runData->pointed_old) {
3350                 infostream << "Pointing at " << pointed.dump() << std::endl;
3351
3352                 if (m_cache_enable_node_highlighting) {
3353                         if (pointed.type == POINTEDTHING_NODE) {
3354                                 client->setHighlighted(pointed.node_undersurface, show_hud);
3355                         } else {
3356                                 client->setHighlighted(pointed.node_undersurface, false);
3357                         }
3358                 }
3359         }
3360
3361         /*
3362                 Stop digging when
3363                 - releasing left mouse button
3364                 - pointing away from node
3365         */
3366         if (runData->digging) {
3367                 if (input->getLeftReleased()) {
3368                         infostream << "Left button released"
3369                                    << " (stopped digging)" << std::endl;
3370                         runData->digging = false;
3371                 } else if (pointed != runData->pointed_old) {
3372                         if (pointed.type == POINTEDTHING_NODE
3373                                         && runData->pointed_old.type == POINTEDTHING_NODE
3374                                         && pointed.node_undersurface
3375                                                         == runData->pointed_old.node_undersurface) {
3376                                 // Still pointing to the same node, but a different face.
3377                                 // Don't reset.
3378                         } else {
3379                                 infostream << "Pointing away from node"
3380                                            << " (stopped digging)" << std::endl;
3381                                 runData->digging = false;
3382                         }
3383                 }
3384
3385                 if (!runData->digging) {
3386                         client->interact(1, runData->pointed_old);
3387                         client->setCrack(-1, v3s16(0, 0, 0));
3388                         runData->dig_time = 0.0;
3389                 }
3390         }
3391
3392         if (!runData->digging && runData->ldown_for_dig && !input->getLeftState()) {
3393                 runData->ldown_for_dig = false;
3394         }
3395
3396         runData->left_punch = false;
3397
3398         soundmaker->m_player_leftpunch_sound.name = "";
3399
3400         if (input->getRightState())
3401                 runData->repeat_rightclick_timer += dtime;
3402         else
3403                 runData->repeat_rightclick_timer = 0;
3404
3405         if (playeritem_def.usable && input->getLeftState()) {
3406                 if (input->getLeftClicked())
3407                         client->interact(4, pointed);
3408         } else if (pointed.type == POINTEDTHING_NODE) {
3409                 ToolCapabilities playeritem_toolcap =
3410                                 playeritem.getToolCapabilities(itemdef_manager);
3411                 handlePointingAtNode(runData, pointed, playeritem_def,
3412                                 playeritem_toolcap, dtime);
3413         } else if (pointed.type == POINTEDTHING_OBJECT) {
3414                 handlePointingAtObject(runData, pointed, playeritem,
3415                                 player_position, show_debug);
3416         } else if (input->getLeftState()) {
3417                 // When button is held down in air, show continuous animation
3418                 runData->left_punch = true;
3419         }
3420
3421         runData->pointed_old = pointed;
3422
3423         if (runData->left_punch || input->getLeftClicked())
3424                 camera->setDigging(0); // left click animation
3425
3426         input->resetLeftClicked();
3427         input->resetRightClicked();
3428
3429         input->resetLeftReleased();
3430         input->resetRightReleased();
3431 }
3432
3433
3434 void Game::handlePointingAtNode(GameRunData *runData,
3435                 const PointedThing &pointed, const ItemDefinition &playeritem_def,
3436                 const ToolCapabilities &playeritem_toolcap, f32 dtime)
3437 {
3438         v3s16 nodepos = pointed.node_undersurface;
3439         v3s16 neighbourpos = pointed.node_abovesurface;
3440
3441         /*
3442                 Check information text of node
3443         */
3444
3445         ClientMap &map = client->getEnv().getClientMap();
3446         NodeMetadata *meta = map.getNodeMetadata(nodepos);
3447
3448         if (meta) {
3449                 infotext = narrow_to_wide(meta->getString("infotext"));
3450         } else {
3451                 MapNode n = map.getNodeNoEx(nodepos);
3452
3453                 if (nodedef_manager->get(n).tiledef[0].name == "unknown_node.png") {
3454                         infotext = L"Unknown node: ";
3455                         infotext += narrow_to_wide(nodedef_manager->get(n).name);
3456                 }
3457         }
3458
3459         if (runData->nodig_delay_timer <= 0.0 && input->getLeftState()
3460                         && client->checkPrivilege("interact")) {
3461                 handleDigging(runData, pointed, nodepos, playeritem_toolcap, dtime);
3462         }
3463
3464         if ((input->getRightClicked() ||
3465                         runData->repeat_rightclick_timer >= m_repeat_right_click_time) &&
3466                         client->checkPrivilege("interact")) {
3467                 runData->repeat_rightclick_timer = 0;
3468                 infostream << "Ground right-clicked" << std::endl;
3469
3470                 if (meta && meta->getString("formspec") != "" && !random_input
3471                                 && !input->isKeyDown(getKeySetting("keymap_sneak"))) {
3472                         infostream << "Launching custom inventory view" << std::endl;
3473
3474                         InventoryLocation inventoryloc;
3475                         inventoryloc.setNodeMeta(nodepos);
3476
3477                         NodeMetadataFormSource *fs_src = new NodeMetadataFormSource(
3478                                 &client->getEnv().getClientMap(), nodepos);
3479                         TextDest *txt_dst = new TextDestNodeMetadata(nodepos, client);
3480
3481                         create_formspec_menu(&current_formspec, client, gamedef,
3482                                              texture_src, device, fs_src, txt_dst, client);
3483
3484                         current_formspec->setFormSpec(meta->getString("formspec"), inventoryloc);
3485                 } else {
3486                         // Report right click to server
3487
3488                         camera->setDigging(1);  // right click animation (always shown for feedback)
3489
3490                         // If the wielded item has node placement prediction,
3491                         // make that happen
3492                         bool placed = nodePlacementPrediction(*client,
3493                                         playeritem_def,
3494                                         nodepos, neighbourpos);
3495
3496                         if (placed) {
3497                                 // Report to server
3498                                 client->interact(3, pointed);
3499                                 // Read the sound
3500                                 soundmaker->m_player_rightpunch_sound =
3501                                                 playeritem_def.sound_place;
3502                         } else {
3503                                 soundmaker->m_player_rightpunch_sound =
3504                                                 SimpleSoundSpec();
3505                         }
3506
3507                         if (playeritem_def.node_placement_prediction == "" ||
3508                                         nodedef_manager->get(map.getNodeNoEx(nodepos)).rightclickable)
3509                                 client->interact(3, pointed); // Report to server
3510                 }
3511         }
3512 }
3513
3514
3515 void Game::handlePointingAtObject(GameRunData *runData,
3516                 const PointedThing &pointed,
3517                 const ItemStack &playeritem,
3518                 const v3f &player_position,
3519                 bool show_debug)
3520 {
3521         infotext = narrow_to_wide(runData->selected_object->infoText());
3522
3523         if (infotext == L"" && show_debug) {
3524                 infotext = narrow_to_wide(runData->selected_object->debugInfoText());
3525         }
3526
3527         if (input->getLeftState()) {
3528                 bool do_punch = false;
3529                 bool do_punch_damage = false;
3530
3531                 if (runData->object_hit_delay_timer <= 0.0) {
3532                         do_punch = true;
3533                         do_punch_damage = true;
3534                         runData->object_hit_delay_timer = object_hit_delay;
3535                 }
3536
3537                 if (input->getLeftClicked())
3538                         do_punch = true;
3539
3540                 if (do_punch) {
3541                         infostream << "Left-clicked object" << std::endl;
3542                         runData->left_punch = true;
3543                 }
3544
3545                 if (do_punch_damage) {
3546                         // Report direct punch
3547                         v3f objpos = runData->selected_object->getPosition();
3548                         v3f dir = (objpos - player_position).normalize();
3549
3550                         bool disable_send = runData->selected_object->directReportPunch(
3551                                         dir, &playeritem, runData->time_from_last_punch);
3552                         runData->time_from_last_punch = 0;
3553
3554                         if (!disable_send)
3555                                 client->interact(0, pointed);
3556                 }
3557         } else if (input->getRightClicked()) {
3558                 infostream << "Right-clicked object" << std::endl;
3559                 client->interact(3, pointed);  // place
3560         }
3561 }
3562
3563
3564 void Game::handleDigging(GameRunData *runData,
3565                 const PointedThing &pointed, const v3s16 &nodepos,
3566                 const ToolCapabilities &playeritem_toolcap, f32 dtime)
3567 {
3568         if (!runData->digging) {
3569                 infostream << "Started digging" << std::endl;
3570                 client->interact(0, pointed);
3571                 runData->digging = true;
3572                 runData->ldown_for_dig = true;
3573         }
3574
3575         LocalPlayer *player = client->getEnv().getLocalPlayer();
3576         ClientMap &map = client->getEnv().getClientMap();
3577         MapNode n = client->getEnv().getClientMap().getNodeNoEx(nodepos);
3578
3579         // NOTE: Similar piece of code exists on the server side for
3580         // cheat detection.
3581         // Get digging parameters
3582         DigParams params = getDigParams(nodedef_manager->get(n).groups,
3583                         &playeritem_toolcap);
3584
3585         // If can't dig, try hand
3586         if (!params.diggable) {
3587                 const ItemDefinition &hand = itemdef_manager->get("");
3588                 const ToolCapabilities *tp = hand.tool_capabilities;
3589
3590                 if (tp)
3591                         params = getDigParams(nodedef_manager->get(n).groups, tp);
3592         }
3593
3594         if (params.diggable == false) {
3595                 // I guess nobody will wait for this long
3596                 runData->dig_time_complete = 10000000.0;
3597         } else {
3598                 runData->dig_time_complete = params.time;
3599
3600                 if (m_cache_enable_particles) {
3601                         const ContentFeatures &features =
3602                                         client->getNodeDefManager()->get(n);
3603                         client->getParticleManager()->addPunchingParticles(gamedef, smgr,
3604                                         player, nodepos, features.tiles);
3605                 }
3606         }
3607
3608         if (runData->dig_time_complete >= 0.001) {
3609                 runData->dig_index = (float)crack_animation_length
3610                                 * runData->dig_time
3611                                 / runData->dig_time_complete;
3612         } else {
3613                 // This is for torches
3614                 runData->dig_index = crack_animation_length;
3615         }
3616
3617         SimpleSoundSpec sound_dig = nodedef_manager->get(n).sound_dig;
3618
3619         if (sound_dig.exists() && params.diggable) {
3620                 if (sound_dig.name == "__group") {
3621                         if (params.main_group != "") {
3622                                 soundmaker->m_player_leftpunch_sound.gain = 0.5;
3623                                 soundmaker->m_player_leftpunch_sound.name =
3624                                                 std::string("default_dig_") +
3625                                                 params.main_group;
3626                         }
3627                 } else {
3628                         soundmaker->m_player_leftpunch_sound = sound_dig;
3629                 }
3630         }
3631
3632         // Don't show cracks if not diggable
3633         if (runData->dig_time_complete >= 100000.0) {
3634         } else if (runData->dig_index < crack_animation_length) {
3635                 //TimeTaker timer("client.setTempMod");
3636                 //infostream<<"dig_index="<<dig_index<<std::endl;
3637                 client->setCrack(runData->dig_index, nodepos);
3638         } else {
3639                 infostream << "Digging completed" << std::endl;
3640                 client->interact(2, pointed);
3641                 client->setCrack(-1, v3s16(0, 0, 0));
3642                 bool is_valid_position;
3643                 MapNode wasnode = map.getNodeNoEx(nodepos, &is_valid_position);
3644                 if (is_valid_position)
3645                         client->removeNode(nodepos);
3646
3647                 if (m_cache_enable_particles) {
3648                         const ContentFeatures &features =
3649                                 client->getNodeDefManager()->get(wasnode);
3650                         client->getParticleManager()->addDiggingParticles(gamedef, smgr,
3651                                         player, nodepos, features.tiles);
3652                 }
3653
3654                 runData->dig_time = 0;
3655                 runData->digging = false;
3656
3657                 runData->nodig_delay_timer =
3658                                 runData->dig_time_complete / (float)crack_animation_length;
3659
3660                 // We don't want a corresponding delay to
3661                 // very time consuming nodes
3662                 if (runData->nodig_delay_timer > 0.3)
3663                         runData->nodig_delay_timer = 0.3;
3664
3665                 // We want a slight delay to very little
3666                 // time consuming nodes
3667                 const float mindelay = 0.15;
3668
3669                 if (runData->nodig_delay_timer < mindelay)
3670                         runData->nodig_delay_timer = mindelay;
3671
3672                 // Send event to trigger sound
3673                 MtEvent *e = new NodeDugEvent(nodepos, wasnode);
3674                 gamedef->event()->put(e);
3675         }
3676
3677         if (runData->dig_time_complete < 100000.0) {
3678                 runData->dig_time += dtime;
3679         } else {
3680                 runData->dig_time = 0;
3681                 client->setCrack(-1, nodepos);
3682         }
3683
3684         camera->setDigging(0);  // left click animation
3685 }
3686
3687
3688 void Game::updateFrame(std::vector<aabb3f> &highlight_boxes,
3689                 ProfilerGraph *graph, RunStats *stats, GameRunData *runData,
3690                 f32 dtime, const VolatileRunFlags &flags, const CameraOrientation &cam)
3691 {
3692         LocalPlayer *player = client->getEnv().getLocalPlayer();
3693
3694         /*
3695                 Fog range
3696         */
3697
3698         if (draw_control->range_all) {
3699                 runData->fog_range = 100000 * BS;
3700         } else {
3701                 runData->fog_range = draw_control->wanted_range * BS
3702                                 + 0.0 * MAP_BLOCKSIZE * BS;
3703                 runData->fog_range = MYMIN(
3704                                 runData->fog_range,
3705                                 (draw_control->farthest_drawn + 20) * BS);
3706                 runData->fog_range *= 0.9;
3707         }
3708
3709         /*
3710                 Calculate general brightness
3711         */
3712         u32 daynight_ratio = client->getEnv().getDayNightRatio();
3713         float time_brightness = decode_light_f((float)daynight_ratio / 1000.0);
3714         float direct_brightness;
3715         bool sunlight_seen;
3716
3717         if (g_settings->getBool("free_move")) {
3718                 direct_brightness = time_brightness;
3719                 sunlight_seen = true;
3720         } else {
3721                 ScopeProfiler sp(g_profiler, "Detecting background light", SPT_AVG);
3722                 float old_brightness = sky->getBrightness();
3723                 direct_brightness = client->getEnv().getClientMap()
3724                                 .getBackgroundBrightness(MYMIN(runData->fog_range * 1.2, 60 * BS),
3725                                         daynight_ratio, (int)(old_brightness * 255.5), &sunlight_seen)
3726                                     / 255.0;
3727         }
3728
3729         float time_of_day = runData->time_of_day;
3730         float time_of_day_smooth = runData->time_of_day_smooth;
3731
3732         time_of_day = client->getEnv().getTimeOfDayF();
3733
3734         const float maxsm = 0.05;
3735         const float todsm = 0.05;
3736
3737         if (fabs(time_of_day - time_of_day_smooth) > maxsm &&
3738                         fabs(time_of_day - time_of_day_smooth + 1.0) > maxsm &&
3739                         fabs(time_of_day - time_of_day_smooth - 1.0) > maxsm)
3740                 time_of_day_smooth = time_of_day;
3741
3742         if (time_of_day_smooth > 0.8 && time_of_day < 0.2)
3743                 time_of_day_smooth = time_of_day_smooth * (1.0 - todsm)
3744                                 + (time_of_day + 1.0) * todsm;
3745         else
3746                 time_of_day_smooth = time_of_day_smooth * (1.0 - todsm)
3747                                 + time_of_day * todsm;
3748
3749         runData->time_of_day = time_of_day;
3750         runData->time_of_day_smooth = time_of_day_smooth;
3751
3752         sky->update(time_of_day_smooth, time_brightness, direct_brightness,
3753                         sunlight_seen, camera->getCameraMode(), player->getYaw(),
3754                         player->getPitch());
3755
3756         /*
3757                 Update clouds
3758         */
3759         if (clouds) {
3760                 v3f player_position = player->getPosition();
3761                 if (sky->getCloudsVisible()) {
3762                         clouds->setVisible(true);
3763                         clouds->step(dtime);
3764                         clouds->update(v2f(player_position.X, player_position.Z),
3765                                        sky->getCloudColor());
3766                 } else {
3767                         clouds->setVisible(false);
3768                 }
3769         }
3770
3771         /*
3772                 Update particles
3773         */
3774         client->getParticleManager()->step(dtime);
3775
3776         /*
3777                 Fog
3778         */
3779
3780         if (m_cache_enable_fog && !flags.force_fog_off) {
3781                 driver->setFog(
3782                                 sky->getBgColor(),
3783                                 video::EFT_FOG_LINEAR,
3784                                 runData->fog_range * 0.4,
3785                                 runData->fog_range * 1.0,
3786                                 0.01,
3787                                 false, // pixel fog
3788                                 false // range fog
3789                 );
3790         } else {
3791                 driver->setFog(
3792                                 sky->getBgColor(),
3793                                 video::EFT_FOG_LINEAR,
3794                                 100000 * BS,
3795                                 110000 * BS,
3796                                 0.01,
3797                                 false, // pixel fog
3798                                 false // range fog
3799                 );
3800         }
3801
3802         /*
3803                 Get chat messages from client
3804         */
3805
3806         v2u32 screensize = driver->getScreenSize();
3807
3808         updateChat(*client, dtime, flags.show_debug, screensize,
3809                         flags.show_chat, runData->profiler_current_page,
3810                         *chat_backend, guitext_chat);
3811
3812         /*
3813                 Inventory
3814         */
3815
3816         if (client->getPlayerItem() != runData->new_playeritem)
3817                 client->selectPlayerItem(runData->new_playeritem);
3818
3819         // Update local inventory if it has changed
3820         if (client->getLocalInventoryUpdated()) {
3821                 //infostream<<"Updating local inventory"<<std::endl;
3822                 client->getLocalInventory(*local_inventory);
3823                 runData->update_wielded_item_trigger = true;
3824         }
3825
3826         if (runData->update_wielded_item_trigger) {
3827                 // Update wielded tool
3828                 InventoryList *mlist = local_inventory->getList("main");
3829
3830                 if (mlist && (client->getPlayerItem() < mlist->getSize())) {
3831                         ItemStack item = mlist->getItem(client->getPlayerItem());
3832                         camera->wield(item);
3833                 }
3834                 runData->update_wielded_item_trigger = false;
3835         }
3836
3837         /*
3838                 Update block draw list every 200ms or when camera direction has
3839                 changed much
3840         */
3841         runData->update_draw_list_timer += dtime;
3842
3843         v3f camera_direction = camera->getDirection();
3844         if (runData->update_draw_list_timer >= 0.2
3845                         || runData->update_draw_list_last_cam_dir.getDistanceFrom(camera_direction) > 0.2
3846                         || flags.camera_offset_changed) {
3847                 runData->update_draw_list_timer = 0;
3848                 client->getEnv().getClientMap().updateDrawList(driver);
3849                 runData->update_draw_list_last_cam_dir = camera_direction;
3850         }
3851
3852         updateGui(&runData->statustext_time, *stats, *runData, dtime, flags, cam);
3853
3854         /*
3855            make sure menu is on top
3856            1. Delete formspec menu reference if menu was removed
3857            2. Else, make sure formspec menu is on top
3858         */
3859         if (current_formspec) {
3860                 if (current_formspec->getReferenceCount() == 1) {
3861                         current_formspec->drop();
3862                         current_formspec = NULL;
3863                 } else if (!noMenuActive()) {
3864                         guiroot->bringToFront(current_formspec);
3865                 }
3866         }
3867
3868         /*
3869                 Drawing begins
3870         */
3871
3872         video::SColor skycolor = sky->getSkyColor();
3873
3874         TimeTaker tt_draw("mainloop: draw");
3875         {
3876                 TimeTaker timer("beginScene");
3877                 driver->beginScene(true, true, skycolor);
3878                 stats->beginscenetime = timer.stop(true);
3879         }
3880
3881         draw_scene(driver, smgr, *camera, *client, player, *hud, guienv,
3882                         highlight_boxes, screensize, skycolor, flags.show_hud);
3883
3884         /*
3885                 Profiler graph
3886         */
3887         if (flags.show_profiler_graph)
3888                 graph->draw(10, screensize.Y - 10, driver, g_fontengine->getFont());
3889
3890         /*
3891                 Damage flash
3892         */
3893         if (runData->damage_flash > 0.0) {
3894                 video::SColor color(std::min(runData->damage_flash, 180.0f),
3895                                 180,
3896                                 0,
3897                                 0);
3898                 driver->draw2DRectangle(color,
3899                                         core::rect<s32>(0, 0, screensize.X, screensize.Y),
3900                                         NULL);
3901
3902                 runData->damage_flash -= 100.0 * dtime;
3903         }
3904
3905         /*
3906                 Damage camera tilt
3907         */
3908         if (player->hurt_tilt_timer > 0.0) {
3909                 player->hurt_tilt_timer -= dtime * 5;
3910
3911                 if (player->hurt_tilt_timer < 0)
3912                         player->hurt_tilt_strength = 0;
3913         }
3914
3915         /*
3916                 End scene
3917         */
3918         {
3919                 TimeTaker timer("endScene");
3920                 driver->endScene();
3921                 stats->endscenetime = timer.stop(true);
3922         }
3923
3924         stats->drawtime = tt_draw.stop(true);
3925         g_profiler->graphAdd("mainloop_draw", stats->drawtime / 1000.0f);
3926 }
3927
3928
3929 void Game::updateGui(float *statustext_time, const RunStats &stats,
3930                 const GameRunData& runData, f32 dtime, const VolatileRunFlags &flags,
3931                 const CameraOrientation &cam)
3932 {
3933         v2u32 screensize = driver->getScreenSize();
3934         LocalPlayer *player = client->getEnv().getLocalPlayer();
3935         v3f player_position = player->getPosition();
3936
3937         if (flags.show_debug) {
3938                 static float drawtime_avg = 0;
3939                 drawtime_avg = drawtime_avg * 0.95 + stats.drawtime * 0.05;
3940
3941                 u16 fps = 1.0 / stats.dtime_jitter.avg;
3942                 //s32 fps = driver->getFPS();
3943
3944                 std::ostringstream os(std::ios_base::binary);
3945                 os << std::fixed
3946                    << "Minetest " << minetest_version_hash
3947                    << " FPS = " << fps
3948                    << " (R: range_all=" << draw_control->range_all << ")"
3949                    << std::setprecision(0)
3950                    << " drawtime = " << drawtime_avg
3951                    << std::setprecision(1)
3952                    << ", dtime_jitter = "
3953                    << (stats.dtime_jitter.max_fraction * 100.0) << " %"
3954                    << std::setprecision(1)
3955                    << ", v_range = " << draw_control->wanted_range
3956                    << std::setprecision(3)
3957                    << ", RTT = " << client->getRTT();
3958                 guitext->setText(narrow_to_wide(os.str()).c_str());
3959                 guitext->setVisible(true);
3960         } else if (flags.show_hud || flags.show_chat) {
3961                 std::ostringstream os(std::ios_base::binary);
3962                 os << "Minetest " << minetest_version_hash;
3963                 guitext->setText(narrow_to_wide(os.str()).c_str());
3964                 guitext->setVisible(true);
3965         } else {
3966                 guitext->setVisible(false);
3967         }
3968
3969         if (guitext->isVisible()) {
3970                 core::rect<s32> rect(
3971                                 5,              5,
3972                                 screensize.X,   5 + g_fontengine->getTextHeight()
3973                 );
3974                 guitext->setRelativePosition(rect);
3975         }
3976
3977         if (flags.show_debug) {
3978                 std::ostringstream os(std::ios_base::binary);
3979                 os << std::setprecision(1) << std::fixed
3980                    << "(" << (player_position.X / BS)
3981                    << ", " << (player_position.Y / BS)
3982                    << ", " << (player_position.Z / BS)
3983                    << ") (yaw=" << (wrapDegrees_0_360(cam.camera_yaw))
3984                    << ") (seed = " << ((u64)client->getMapSeed())
3985                    << ")";
3986
3987                 if (runData.pointed_old.type == POINTEDTHING_NODE) {
3988                         ClientMap &map = client->getEnv().getClientMap();
3989                         const INodeDefManager *nodedef = client->getNodeDefManager();
3990                         MapNode n = map.getNodeNoEx(runData.pointed_old.node_undersurface);
3991                         if (n.getContent() != CONTENT_IGNORE && nodedef->get(n).name != "unknown") {
3992                                 const ContentFeatures &features = nodedef->get(n);
3993                                 os << " (pointing_at = " << nodedef->get(n).name
3994                                    << " - " << features.tiledef[0].name.c_str()
3995                                    << ")";
3996                         }
3997                 }
3998
3999                 guitext2->setText(narrow_to_wide(os.str()).c_str());
4000                 guitext2->setVisible(true);
4001
4002                 core::rect<s32> rect(
4003                                 5,             5 + g_fontengine->getTextHeight(),
4004                                 screensize.X,  5 + g_fontengine->getTextHeight() * 2
4005                 );
4006                 guitext2->setRelativePosition(rect);
4007         } else {
4008                 guitext2->setVisible(false);
4009         }
4010
4011         guitext_info->setText(infotext.c_str());
4012         guitext_info->setVisible(flags.show_hud && g_menumgr.menuCount() == 0);
4013
4014         float statustext_time_max = 1.5;
4015
4016         if (!statustext.empty()) {
4017                 *statustext_time += dtime;
4018
4019                 if (*statustext_time >= statustext_time_max) {
4020                         statustext = L"";
4021                         *statustext_time = 0;
4022                 }
4023         }
4024
4025         guitext_status->setText(statustext.c_str());
4026         guitext_status->setVisible(!statustext.empty());
4027
4028         if (!statustext.empty()) {
4029                 s32 status_width  = guitext_status->getTextWidth();
4030                 s32 status_height = guitext_status->getTextHeight();
4031                 s32 status_y = screensize.Y - 150;
4032                 s32 status_x = (screensize.X - status_width) / 2;
4033                 core::rect<s32> rect(
4034                                 status_x , status_y - status_height,
4035                                 status_x + status_width, status_y
4036                 );
4037                 guitext_status->setRelativePosition(rect);
4038
4039                 // Fade out
4040                 video::SColor initial_color(255, 0, 0, 0);
4041
4042                 if (guienv->getSkin())
4043                         initial_color = guienv->getSkin()->getColor(gui::EGDC_BUTTON_TEXT);
4044
4045                 video::SColor final_color = initial_color;
4046                 final_color.setAlpha(0);
4047                 video::SColor fade_color = initial_color.getInterpolated_quadratic(
4048                                 initial_color, final_color,
4049                                 pow(*statustext_time / statustext_time_max, 2.0f));
4050                 guitext_status->setOverrideColor(fade_color);
4051                 guitext_status->enableOverrideColor(true);
4052         }
4053 }
4054
4055
4056 /* Log times and stuff for visualization */
4057 inline void Game::updateProfilerGraphs(ProfilerGraph *graph)
4058 {
4059         Profiler::GraphValues values;
4060         g_profiler->graphGet(values);
4061         graph->put(values);
4062 }
4063
4064
4065
4066 /****************************************************************************
4067  Misc
4068  ****************************************************************************/
4069
4070 /* On some computers framerate doesn't seem to be automatically limited
4071  */
4072 inline void Game::limitFps(FpsControl *fps_timings, f32 *dtime)
4073 {
4074         // not using getRealTime is necessary for wine
4075         device->getTimer()->tick(); // Maker sure device time is up-to-date
4076         u32 time = device->getTimer()->getTime();
4077
4078         u32 last_time = fps_timings->last_time;
4079
4080         if (time > last_time)  // Make sure time hasn't overflowed
4081                 fps_timings->busy_time = time - last_time;
4082         else
4083                 fps_timings->busy_time = 0;
4084
4085         u32 frametime_min = 1000 / (g_menumgr.pausesGame()
4086                         ? g_settings->getFloat("pause_fps_max")
4087                         : g_settings->getFloat("fps_max"));
4088
4089         if (fps_timings->busy_time < frametime_min) {
4090                 fps_timings->sleep_time = frametime_min - fps_timings->busy_time;
4091                 device->sleep(fps_timings->sleep_time);
4092         } else {
4093                 fps_timings->sleep_time = 0;
4094         }
4095
4096         /* Get the new value of the device timer. Note that device->sleep() may
4097          * not sleep for the entire requested time as sleep may be interrupted and
4098          * therefore it is arguably more accurate to get the new time from the
4099          * device rather than calculating it by adding sleep_time to time.
4100          */
4101
4102         device->getTimer()->tick(); // Update device timer
4103         time = device->getTimer()->getTime();
4104
4105         if (time > last_time)  // Make sure last_time hasn't overflowed
4106                 *dtime = (time - last_time) / 1000.0;
4107         else
4108                 *dtime = 0;
4109
4110         fps_timings->last_time = time;
4111 }
4112
4113
4114 void Game::showOverlayMessage(const char *msg, float dtime,
4115                 int percent, bool draw_clouds)
4116 {
4117         wchar_t *text = wgettext(msg);
4118         draw_load_screen(text, device, guienv, dtime, percent, draw_clouds);
4119         delete[] text;
4120 }
4121
4122
4123 /****************************************************************************
4124  Shutdown / cleanup
4125  ****************************************************************************/
4126
4127 void Game::extendedResourceCleanup()
4128 {
4129         // Extended resource accounting
4130         infostream << "Irrlicht resources after cleanup:" << std::endl;
4131         infostream << "\tRemaining meshes   : "
4132                    << device->getSceneManager()->getMeshCache()->getMeshCount() << std::endl;
4133         infostream << "\tRemaining textures : "
4134                    << driver->getTextureCount() << std::endl;
4135
4136         for (unsigned int i = 0; i < driver->getTextureCount(); i++) {
4137                 irr::video::ITexture *texture = driver->getTextureByIndex(i);
4138                 infostream << "\t\t" << i << ":" << texture->getName().getPath().c_str()
4139                            << std::endl;
4140         }
4141
4142         clearTextureNameCache();
4143         infostream << "\tRemaining materials: "
4144                << driver-> getMaterialRendererCount()
4145                        << " (note: irrlicht doesn't support removing renderers)" << std::endl;
4146 }
4147
4148
4149
4150 /****************************************************************************
4151  extern function for launching the game
4152  ****************************************************************************/
4153
4154 void the_game(bool *kill,
4155                 bool random_input,
4156                 InputHandler *input,
4157                 IrrlichtDevice *device,
4158
4159                 const std::string &map_dir,
4160                 const std::string &playername,
4161                 const std::string &password,
4162                 const std::string &address,         // If empty local server is created
4163                 u16 port,
4164
4165                 std::wstring &error_message,
4166                 ChatBackend &chat_backend,
4167                 const SubgameSpec &gamespec,        // Used for local game
4168                 bool simple_singleplayer_mode)
4169 {
4170         Game game;
4171
4172         /* Make a copy of the server address because if a local singleplayer server
4173          * is created then this is updated and we don't want to change the value
4174          * passed to us by the calling function
4175          */
4176         std::string server_address = address;
4177
4178         try {
4179
4180                 if (game.startup(kill, random_input, input, device, map_dir,
4181                                         playername, password, &server_address, port,
4182                                         &error_message, &chat_backend, gamespec,
4183                                         simple_singleplayer_mode)) {
4184
4185                         game.run();
4186                         game.shutdown();
4187                 }
4188
4189         } catch (SerializationError &e) {
4190                 error_message = L"A serialization error occurred:\n"
4191                                 + narrow_to_wide(e.what()) + L"\n\nThe server is probably "
4192                                 L" running a different version of Minetest.";
4193                 errorstream << wide_to_narrow(error_message) << std::endl;
4194         } catch (ServerError &e) {
4195                 error_message = narrow_to_wide(e.what());
4196                 errorstream << "ServerError: " << e.what() << std::endl;
4197         } catch (ModError &e) {
4198                 errorstream << "ModError: " << e.what() << std::endl;
4199                 error_message = narrow_to_wide(e.what()) + wgettext("\nCheck debug.txt for details.");
4200         }
4201 }