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Attempt to persist attached objects in storage and clipboard, part 1: Store child...
[xonotic/xonotic-data.pk3dir.git] / qcsrc / server / mutators / sandbox.qc
1 float object_count;
2 .string object_clipboard;
3 .entity object_attach;
4 .string material;
5
6 .float touch_timer;
7 void sandbox_ObjectFunction_Touch()
8 {
9         // apply material impact effects
10
11         if(!self.material)
12                 return;
13         if(self.touch_timer > time)
14                 return; // don't execute each frame
15         self.touch_timer = time + 0.1;
16
17         // make particle count and sound volume depend on impact speed
18         float intensity;
19         intensity = vlen(self.velocity) + vlen(other.velocity);
20         if(intensity) // avoid divisions by 0
21                 intensity /= 2; // average the two velocities
22         if not(intensity >= autocvar_g_sandbox_object_material_velocity_min)
23                 return; // impact not strong enough to do anything
24         // now offset intensity and apply it to the effects
25         intensity -= autocvar_g_sandbox_object_material_velocity_min; // start from minimum velocity, not actual velocity
26         intensity = bound(0, intensity * autocvar_g_sandbox_object_material_velocity_factor, 1);
27
28         sound(self, CH_TRIGGER, strcat("object/impact_", self.material, "_", ftos(ceil(random() * 5)) , ".ogg"), VOL_BASE * intensity, ATTN_NORM);
29         pointparticles(particleeffectnum(strcat("impact_", self.material)), self.origin, '0 0 0', ceil(intensity * 10)); // allow a count from 1 to 10
30 }
31
32 entity sandbox_ObjectEdit_Get()
33 {
34         // returns the traced entity if the player can edit it, and world if not
35         // attached objects are SOLID_NOT and don't risk getting traced
36
37         makevectors(self.v_angle);
38         WarpZone_TraceLine(self.origin + self.view_ofs, self.origin + self.view_ofs + v_forward * autocvar_g_sandbox_editor_distance_edit, MOVE_NORMAL, self);
39
40         if(trace_ent.classname != "object")
41                 return world; // entity is not an object
42         if(!trace_ent.crypto_idfp)
43                 return trace_ent; // the player who spawned this object did not have an UID, so anyone can edit it
44         else if not(trace_ent.crypto_idfp != self.crypto_idfp && !autocvar_g_sandbox_editor_free)
45                 return trace_ent; // object does not belong to the player, and players can only edit their own objects on this server
46         return world;
47 }
48
49 void sandbox_ObjectEdit_Scale(entity e, float f)
50 {
51         e.scale = f;
52         if(e.scale)
53         {
54                 e.scale = bound(autocvar_g_sandbox_object_scale_min, e.scale, autocvar_g_sandbox_object_scale_max);
55                 setsize(e, e.mins * e.scale, e.maxs * e.scale); // adapt bounding box size to model size
56         }
57 }
58
59 void sandbox_ObjectAttach_Remove(entity e);
60 void sandbox_ObjectAttach_Set(entity e, entity parent, string s)
61 {
62         // attaches e to parent on string s
63
64         // we can't attach to an attachment, for obvious reasons
65         sandbox_ObjectAttach_Remove(e);
66
67         e.movetype = MOVETYPE_FOLLOW;
68         e.solid = SOLID_NOT;
69         e.takedamage = DAMAGE_NO;
70
71         setattachment(e, parent, s);
72         e.owner = parent;
73 }
74
75 void sandbox_ObjectAttach_Remove(entity e)
76 {
77         // detaches any object attached to e
78
79         entity head;
80         for(head = world; (head = find(head, classname, "object")); )
81         {
82                 if(head.owner == e)
83                 {
84                         head.movetype = MOVETYPE_TOSS; // default
85                         head.solid = SOLID_BBOX;
86                         head.takedamage = DAMAGE_AIM;
87
88                         setattachment(head, world, "");
89                         head.owner = world;
90
91                         // objects reset origin and angles when detached, so apply the parent's to prevent teleporting
92                         setorigin(head, e.origin);
93                         head.angles = e.angles;
94                 }
95         }
96 }
97
98 entity sandbox_ObjectSpawn(float database)
99 {
100         // spawn a new object with default properties
101
102         entity e;
103         e = spawn();
104         e.classname = "object";
105         e.takedamage = DAMAGE_AIM;
106         e.damageforcescale = 1;
107         e.solid = SOLID_BBOX; // SOLID_BSP would be best, but can lag the server badly
108         e.movetype = MOVETYPE_TOSS;
109         e.frame = 0;
110         e.skin = 0;
111         e.material = string_null;
112         e.touch = sandbox_ObjectFunction_Touch;
113
114         if(!database)
115         {
116                 // set the object's owner via player UID
117                 // if the player does not have an UID, the owner cannot be stored and his objects may be edited by anyone
118                 if(self.crypto_idfp != "")
119                         e.crypto_idfp = strzone(self.crypto_idfp);
120                 else
121                         print_to(self, "^1SANDBOX - WARNING: ^7You spawned an object, but lack a player UID. ^1Your objects are not secured and can be edited by any player!");
122
123                 // set origin and direction based on player position and view angle
124                 makevectors(self.v_angle);
125                 WarpZone_TraceLine(self.origin + self.view_ofs, self.origin + self.view_ofs + v_forward * autocvar_g_sandbox_editor_distance_spawn, MOVE_NORMAL, self);
126                 setorigin(e, trace_endpos);
127                 e.angles_y = self.v_angle_y;
128         }
129
130         object_count += 1;
131         return e;
132 }
133
134 void sandbox_ObjectRemove(entity e)
135 {
136         sandbox_ObjectAttach_Remove(e); // detach child objects
137         if(e.material)
138         {
139                 strunzone(e.material);
140                 e.material = string_null;
141         }
142         if(e.crypto_idfp)
143         {
144                 strunzone(e.crypto_idfp);
145                 e.crypto_idfp = string_null;
146         }
147         remove(e);
148         e = world;
149
150         object_count -= 1;
151 }
152
153 string sandbox_ObjectPort_Save_string(entity e, float database)
154 {
155         string s;
156         s = strcat(s, e.model, " ");
157         s = strcat(s, ftos(e.skin), " ");
158         s = strcat(s, ftos(e.alpha), " ");
159         s = strcat(s, sprintf("\"%.9v\"", e.colormod), " ");
160         s = strcat(s, sprintf("\"%.9v\"", e.glowmod), " ");
161         s = strcat(s, ftos(e.frame), " ");
162         s = strcat(s, ftos(e.scale), " ");
163         s = strcat(s, ftos(e.movetype), " ");
164         s = strcat(s, ftos(e.damageforcescale), " ");
165         if(e.material)  s = strcat(s, e.material, " "); else    s = strcat(s, "- "); // none
166         if(database)
167         {
168                 if(e.crypto_idfp)       s = strcat(s, e.crypto_idfp, " ");      else    s = strcat(s, "- "); // none
169                 s = strcat(s, sprintf("\"%.9v\"", e.origin), " ");
170                 s = strcat(s, sprintf("\"%.9v\"", e.angles), " ");
171         }
172         s = strcat(s, "; ");
173         return s;
174 }
175 string sandbox_ObjectPort_Save(entity e, float database)
176 {
177         // save object properties
178         string s;
179         entity head;
180
181         // first set the properties of the main object, then those of each child
182         s = sandbox_ObjectPort_Save_string(e, database);
183         for(head = world; (head = find(head, classname, "object")); )
184         {
185                 if(head.owner == e)
186                         s = strcat(s, sandbox_ObjectPort_Save_string(head, database));
187         }
188
189         return s;
190 }
191
192 void sandbox_ObjectPort_Load(entity e, string s, float database)
193 {
194         // load object properties
195         tokenize_console(s);
196
197         setmodel(e, argv(0));
198         e.skin = stof(argv(1));
199         e.alpha = stof(argv(2));
200         e.colormod = stov(argv(3));
201         e.glowmod = stov(argv(4));
202         e.frame = stof(argv(5));
203         sandbox_ObjectEdit_Scale(e, stof(argv(6)));
204         e.movetype = stof(argv(7));
205         e.damageforcescale = stof(argv(8));
206         if(e.material)  strunzone(e.material);  if(argv(9) != "-")      e.material = strzone(argv(9));  else    e.material = string_null;
207         if(database)
208         {
209                 if(e.crypto_idfp)       strunzone(e.crypto_idfp);       if(argv(10) != "-")     e.crypto_idfp = strzone(argv(10));      else    e.crypto_idfp = string_null;
210                 setorigin(e, stov(argv(11)));
211                 e.angles = stov(argv(12));
212         }
213 }
214
215 void sandbox_Database_Save()
216 {
217         // saves all objects to the database file
218         entity head;
219         string file_name;
220         float file_get;
221
222         file_name = strcat("sandbox/storage_", autocvar_g_sandbox_storage_name, "_", GetMapname(), ".txt");
223         file_get = fopen(file_name, FILE_WRITE);
224         fputs(file_get, strcat("// sandbox storage \"", autocvar_g_sandbox_storage_name, "\" for map \"", GetMapname(), "\" last updated ", strftime(TRUE, "%d-%m-%Y %H:%M:%S")));
225         fputs(file_get, strcat(" containing ", ftos(object_count), " objects\n"));
226
227         for(head = world; (head = find(head, classname, "object")); )
228         {
229                 // Unfortunately, attached objects cannot be persisted yet. That's because the parent is specified as an entity,
230                 // but only properties can be saved to this file, leaving no way to identify the owner once all objects are spawned
231                 // TODO: Find some way to fix this!
232                 if(head.owner != world)
233                         continue;
234
235                 // use a line for each object, listing all properties
236                 fputs(file_get, strcat(sandbox_ObjectPort_Save(head, TRUE), "\n"));
237         }
238         fclose(file_get);
239 }
240
241 void sandbox_Database_Load()
242 {
243         // loads all objects from the database file
244         string file_read, file_name;
245         float file_get, i;
246
247         file_name = strcat("sandbox/storage_", autocvar_g_sandbox_storage_name, "_", GetMapname(), ".txt");
248         file_get = fopen(file_name, FILE_READ);
249         if(file_get < 0)
250         {
251                 if(autocvar_g_sandbox_info > 0)
252                         print(strcat("^3SANDBOX - SERVER: ^7could not find storage file ^3", file_name, "^7, no objects were loaded\n"));
253         }
254         else
255         {
256                 for(;;)
257                 {
258                         file_read = fgets(file_get);
259                         if(!file_read)
260                                 break;
261                         if(substring(file_read, 0, 2) == "//")
262                                 continue;
263                         if(substring(file_read, 0, 1) == "#")
264                                 continue;
265
266                         entity e;
267                         e = sandbox_ObjectSpawn(TRUE);
268                         sandbox_ObjectPort_Load(e, file_read, TRUE);
269
270                         if(e.material)
271                         {
272                                 // since objects are being loaded for the first time, precache material sounds for each
273                                 for (i = 1; i <= 5; i++) // 5 sounds in total
274                                         precache_sound(strcat("object/impact_", e.material, "_", ftos(i), ".ogg"));
275                         }
276                 }
277                 if(autocvar_g_sandbox_info > 0)
278                         print(strcat("^3SANDBOX - SERVER: ^7successfully loaded storage file ^3", file_name, "\n"));
279         }
280 }
281
282 MUTATOR_HOOKFUNCTION(sandbox_PlayerCommand)
283 {
284         if(MUTATOR_RETURNVALUE) // command was already handled?
285                 return FALSE;
286         if(cmd_name == "g_sandbox")
287         {
288                 if(cmd_argc < 2)
289                 {
290                         print_to(self, "Sandbox mode is active. For usage information, type 'sandbox help'");
291                         return TRUE;
292                 }
293
294                 switch(argv(1))
295                 {
296                         entity e;
297                         float i;
298
299                         // ---------------- COMMAND: HELP ----------------
300                         case "help":
301                                 print_to(self, "You can use the following sandbox commands:");
302                                 print_to(self, "^7\"^2object_spawn ^3models/foo/bar.md3^7\" spawns a new object in front of the player, and gives it the specified model");
303                                 print_to(self, "^7\"^2object_remove^7\" removes the object the player is looking at. Players can only remove their own objects");
304                                 print_to(self, "^7\"^2object_duplicate ^3value^7\" duplicates the object. 'copy' copies the object, 'paste' puts it in front of the player");
305                                 print_to(self, "^7\"^2object_claim^7\" sets the player as the owner of the object, if he has the right to edit it");
306                                 print_to(self, "^7\"^2object_attach ^3property value^7\" attaches one object to another. Players can only attach their own objects");
307                                 print_to(self, "^7Attachment properties for ^2object_attach^7:");
308                                 print_to(self, "^3get ^7- selects the object you are facing as the object to be attached");
309                                 print_to(self, "^3set value ^7- attaches the previously selected object to the object you are facing, on the specified bone");
310                                 print_to(self, "^3remove ^7- detaches all objects from the object you are facing");
311                                 print_to(self, "^7\"^2object_edit ^3property value^7\" edits the given property of the object. Players can only edit their own objects");
312                                 print_to(self, "^7Object properties for ^2object_edit^7:");
313                                 print_to(self, "^3skin value ^7- changes the skin of the object");
314                                 print_to(self, "^3alpha value ^7- sets object transparency");
315                                 print_to(self, "^3colormod \"value_x value_y value_z\" ^7- main object color");
316                                 print_to(self, "^3glowmod \"value_x value_y value_z\" ^7- glow object color");
317                                 print_to(self, "^3frame value ^7- object animation frame, for self-animated models");
318                                 print_to(self, "^3scale value ^7- changes object scale. 0.5 is half size and 2 is double size");
319                                 print_to(self, "^3physics value ^7- object physics, 0 = static, 1 = movable, 2 = physical");
320                                 print_to(self, "^3force value ^7- amount of force applied to objects that are shot");
321                                 print_to(self, "^3material value ^7- sets the material of the object. Default materials are: metal, stone, wood, flesh");
322                                 print_to(self, "^7The ^1drag object ^7key can be used to grab and carry objects. Players can only grab their own objects");
323                                 return TRUE;
324
325                         // ---------------- COMMAND: SPAWN OBJECT ----------------
326                         case "object_spawn":
327                                 if(object_count >= autocvar_g_sandbox_editor_maxobjects)
328                                 {
329                                         print_to(self, strcat("^1SANDBOX - WARNING: ^7Cannot spawn any more objects. Up to ^3", ftos(autocvar_g_sandbox_editor_maxobjects), " ^7objects may exist at a time"));
330                                         return TRUE;
331                                 }
332                                 if(cmd_argc < 3)
333                                 {
334                                         print_to(self, "^1SANDBOX - WARNING: ^7Attempted to spawn an object without specifying a model. Please specify the path to your model file after the 'object_spawn' command");
335                                         return TRUE;
336                                 }
337                                 else if not(fexists(argv(2)))
338                                 {
339                                         print_to(self, "^1SANDBOX - WARNING: ^7Attempted to spawn an object with a non-existent model. Make sure the path to your model file is correct");
340                                         return TRUE;
341                                 }
342
343                                 e = sandbox_ObjectSpawn(FALSE);
344                                 setmodel(e, argv(2));
345
346                                 if(autocvar_g_sandbox_info > 0)
347                                         print(strcat("^3SANDBOX - SERVER: ^7", self.netname, " spawned an object at origin ^3", vtos(e.origin), "\n"));
348                                 return TRUE;
349
350                         // ---------------- COMMAND: REMOVE OBJECT ----------------
351                         case "object_remove":
352                                 e = sandbox_ObjectEdit_Get();
353                                 if(e != world)
354                                 {
355                                         if(autocvar_g_sandbox_info > 0)
356                                                 print(strcat("^3SANDBOX - SERVER: ^7", self.netname, " removed an object at origin ^3", vtos(e.origin), "\n"));
357                                         sandbox_ObjectRemove(e);
358                                         return TRUE;
359                                 }
360
361                                 print_to(self, "^1SANDBOX - WARNING: ^7Object could not be removed. Make sure you are facing an object that you have edit rights over");
362                                 return TRUE;
363
364                         // ---------------- COMMAND: DUPLICATE OBJECT ----------------
365                         case "object_duplicate":
366                                 switch(argv(2))
367                                 {
368                                         case "copy":
369                                                 // copies customizable properties of the selected object to the clipboard
370                                                 e = sandbox_ObjectEdit_Get(); // you can only copy objects you can edit, so this works
371                                                 if(e != world)
372                                                 {
373                                                         if(self.object_clipboard)
374                                                                 strunzone(self.object_clipboard);
375                                                         self.object_clipboard = strzone(sandbox_ObjectPort_Save(e, FALSE));
376
377                                                         print_to(self, "^2SANDBOX - INFO: ^7Object copied to clipboard");
378                                                         return TRUE;
379                                                 }
380                                                 print_to(self, "^1SANDBOX - WARNING: ^7Object could not be copied. Make sure you are facing an object that you have edit rights over");
381                                                 return TRUE;
382
383                                         case "paste":
384                                                 // spawns a new object using the properties in the player's clipboard
385                                                 if(!self.object_clipboard) // no object in clipboard
386                                                 {
387                                                         print_to(self, "^1SANDBOX - WARNING: ^7No object in clipboard. You must copy an object before you can paste it");
388                                                         return TRUE;
389                                                 }
390                                                 if(object_count >= autocvar_g_sandbox_editor_maxobjects)
391                                                 {
392                                                         print_to(self, strcat("^1SANDBOX - WARNING: ^7Cannot spawn any more objects. Up to ^3", ftos(autocvar_g_sandbox_editor_maxobjects), " ^7objects may exist at a time"));
393                                                         return TRUE;
394                                                 }
395
396                                                 e = sandbox_ObjectSpawn(FALSE);
397                                                 sandbox_ObjectPort_Load(e, self.object_clipboard, FALSE);
398
399                                                 print_to(self, "^2SANDBOX - INFO: ^7Object pasted successfully");
400                                                 if(autocvar_g_sandbox_info > 0)
401                                                         print(strcat("^3SANDBOX - SERVER: ^7", self.netname, " pasted an object at origin ^3", vtos(e.origin), "\n"));
402                                                 return TRUE;
403                                 }
404                                 return TRUE;
405
406                         // ---------------- COMMAND: CLAIM OBJECT ----------------
407                         case "object_claim":
408                                 // if the player can edit an object but is not its owner, this can be used to claim that object
409                                 if(self.crypto_idfp == "")
410                                 {
411                                         print_to(self, "^1SANDBOX - WARNING: ^7You do not have a player UID, and cannot claim objects");
412                                         return TRUE;
413                                 }
414                                 e = sandbox_ObjectEdit_Get();
415                                 if(e != world)
416                                 {
417                                         if(e.crypto_idfp == self.crypto_idfp)
418                                         {
419                                                 print_to(self, "^2SANDBOX - INFO: ^7Object is already yours, nothing to claim");
420                                                 return TRUE;
421                                         }
422
423                                         if(e.crypto_idfp)
424                                                 strunzone(e.crypto_idfp);
425                                         e.crypto_idfp = self.crypto_idfp;
426                                         print_to(self, "^2SANDBOX - INFO: ^7Object claimed successfully");
427                                 }
428                                 print_to(self, "^1SANDBOX - WARNING: ^7Object could not be claimed. Make sure you are facing an object that you have edit rights over");
429                                 return TRUE;
430
431                         // ---------------- COMMAND: ATTACH OBJECT ----------------
432                         case "object_attach":
433                                 switch(argv(2))
434                                 {
435                                         case "get":
436                                                 // select e as the object as meant to be attached
437                                                 e = sandbox_ObjectEdit_Get();
438                                                 if(e != world)
439                                                 {
440                                                         self.object_attach = e;
441                                                         print_to(self, "^2SANDBOX - INFO: ^7Object selected for attachment");
442                                                         return TRUE;
443                                                 }
444                                                 print_to(self, "^1SANDBOX - WARNING: ^7Object could not be selected for attachment. Make sure you are facing an object that you have edit rights over");
445                                                 return TRUE;
446                                         case "set":
447                                                 if(self.object_attach == world)
448                                                 {
449                                                         print_to(self, "^1SANDBOX - WARNING: ^7No object selected for attachment. Please select an object to be attached first.");
450                                                         return TRUE;
451                                                 }
452
453                                                 // attaches the previously selected object to e
454                                                 e = sandbox_ObjectEdit_Get();
455                                                 if(e != world)
456                                                 {
457                                                         sandbox_ObjectAttach_Set(self.object_attach, e, argv(3));
458                                                         self.object_attach = world; // object was attached, no longer keep it scheduled for attachment
459                                                         print_to(self, "^2SANDBOX - INFO: ^7Object attached successfully");
460                                                         if(autocvar_g_sandbox_info > 1)
461                                                                 print(strcat("^3SANDBOX - SERVER: ^7", self.netname, " attached objects at origin ^3", vtos(e.origin), "\n"));
462                                                         return TRUE;
463                                                 }
464                                                 print_to(self, "^1SANDBOX - WARNING: ^7Object could not be attached to the parent. Make sure you are facing an object that you have edit rights over");
465                                                 return TRUE;
466                                         case "remove":
467                                                 // removes e if it was attached
468                                                 e = sandbox_ObjectEdit_Get();
469                                                 if(e != world)
470                                                 {
471                                                         sandbox_ObjectAttach_Remove(e);
472                                                         print_to(self, "^2SANDBOX - INFO: ^7Child objects detached successfully");
473                                                         if(autocvar_g_sandbox_info > 1)
474                                                                 print(strcat("^3SANDBOX - SERVER: ^7", self.netname, " detached objects at origin ^3", vtos(e.origin), "\n"));
475                                                         return TRUE;
476                                                 }
477                                                 print_to(self, "^1SANDBOX - WARNING: ^7Child objects could not be detached. Make sure you are facing an object that you have edit rights over");
478                                                 return TRUE;
479                                 }
480                                 return TRUE;
481
482                         // ---------------- COMMAND: EDIT OBJECT ----------------
483                         case "object_edit":
484                                 if(!argv(2))
485                                 {
486                                         print_to(self, "^1SANDBOX - WARNING: ^7Too few parameters. You must specify a property to edit");
487                                         return TRUE;
488                                 }
489
490                                 e = sandbox_ObjectEdit_Get();
491                                 if(e != world)
492                                 {
493                                         switch(argv(2))
494                                         {
495                                                 case "skin":
496                                                         e.skin = stof(argv(3));
497                                                         break;
498                                                 case "alpha":
499                                                         e.alpha = stof(argv(3));
500                                                         break;
501                                                 case "color_main":
502                                                         e.colormod = stov(argv(3));
503                                                         break;
504                                                 case "color_glow":
505                                                         e.glowmod = stov(argv(3));
506                                                         break;
507                                                 case "frame":
508                                                         e.frame = stof(argv(3));
509                                                         break;
510                                                 case "scale":
511                                                         sandbox_ObjectEdit_Scale(e, stof(argv(3)));
512                                                         break;
513                                                 case "physics":
514                                                         switch(argv(3))
515                                                         {
516                                                                 case "0": // static
517                                                                         e.movetype = MOVETYPE_NONE;
518                                                                         break;
519                                                                 case "1": // movable
520                                                                         e.movetype = MOVETYPE_TOSS;
521                                                                         break;
522                                                                 case "2": // physical
523                                                                         e.movetype = MOVETYPE_PHYSICS;
524                                                                         break;
525                                                                 default:
526                                                                         break;
527                                                         }
528                                                         break;
529                                                 case "force":
530                                                         e.damageforcescale = stof(argv(3));
531                                                         break;
532                                                 case "material":
533                                                         if(e.material)
534                                                                 strunzone(e.material);
535                                                         if(argv(3))
536                                                         {
537                                                                 for (i = 1; i <= 5; i++) // precache material sounds, 5 in total
538                                                                         precache_sound(strcat("object/impact_", argv(3), "_", ftos(i), ".ogg"));
539                                                                 e.material = strzone(argv(3));
540                                                         }
541                                                         else
542                                                                 e.material = string_null; // no material
543                                                         break;
544                                                 default:
545                                                         print_to(self, "^1SANDBOX - WARNING: ^7Invalid object property. For usage information, type 'sandbox help'");
546                                                         break;
547                                         }
548                                         if(autocvar_g_sandbox_info > 1)
549                                                 print(strcat("^3SANDBOX - SERVER: ^7", self.netname, " edited property ^3", argv(2), " ^7of an object at origin ^3", vtos(e.origin), "\n"));
550                                         return TRUE;
551                                 }
552
553                                 print_to(self, "^1SANDBOX - WARNING: ^7Object could not be edited. Make sure you are facing an object that you have edit rights over");
554                                 return TRUE;
555
556                         // ---------------- COMMAND: DEFAULT ----------------
557                         default:
558                                 print_to(self, "Invalid command. For usage information, type 'sandbox help'");
559                                 return TRUE;
560                 }
561         }
562         return FALSE;
563 }
564
565 MUTATOR_HOOKFUNCTION(sandbox_PlayerPreThink)
566 {
567         // if the player is close enough to their object, they can drag it
568
569         if(autocvar_sv_cheats)
570                 return FALSE; // cheat dragging is used instead
571
572         // grab is TRUE if the object can be picked up. While an object is being carried, the Drag() function
573         // must execute for it either way, otherwise it would cause bugs if it went out of the player's trace.
574         // This also makes sure that an object can only pe picked up if in range, but does not get dropped if
575         // it goes out of range while slinging it around.
576
577         entity e;
578         float grab;
579
580         e = sandbox_ObjectEdit_Get();
581         if(e != world && vlen(e.origin - self.origin) <= autocvar_g_sandbox_editor_distance_edit)
582                 grab = TRUE;
583
584         if(Drag(e, grab)) // execute dragging
585                 return TRUE;
586
587         return FALSE;
588 }
589
590 MUTATOR_HOOKFUNCTION(sandbox_ClientDisconnect)
591 {
592         // unzone the player's clipboard if it's not empty
593         if(self.object_clipboard)
594         {
595                 strunzone(self.object_clipboard);
596                 self.object_clipboard = string_null;
597         }
598
599         return FALSE;
600 }
601
602 float autosave_time;
603 MUTATOR_HOOKFUNCTION(sandbox_StartFrame)
604 {
605         if(!autocvar_g_sandbox_storage_autosave)
606                 return FALSE;
607         if(time < autocvar_g_sandbox_storage_autosave)
608                 return FALSE;
609         autosave_time = time + autocvar_g_sandbox_storage_autosave;
610
611         sandbox_Database_Save();
612
613         return TRUE;
614 }
615
616 MUTATOR_DEFINITION(sandbox)
617 {
618         MUTATOR_HOOK(SV_ParseClientCommand, sandbox_PlayerCommand, CBC_ORDER_ANY);
619         MUTATOR_HOOK(SV_StartFrame, sandbox_StartFrame, CBC_ORDER_ANY);
620         MUTATOR_HOOK(PlayerPreThink, sandbox_PlayerPreThink, CBC_ORDER_ANY);
621         MUTATOR_HOOK(ClientDisconnect, sandbox_ClientDisconnect, CBC_ORDER_ANY);
622
623         MUTATOR_ONADD
624         {
625                 autosave_time = time + autocvar_g_sandbox_storage_autosave; // don't save the first server frame
626                 if(autocvar_g_sandbox_storage_autoload)
627                         sandbox_Database_Load();
628         }
629
630         return FALSE;
631 }
632