src/script/lua_api/l_object.cpp

   1 /*
   2 Minetest
   3 Copyright (C) 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 "lua_api/l_object.h"
  21 #include "lua_api/l_internal.h"
  22 #include "lua_api/l_inventory.h"
  23 #include "lua_api/l_item.h"
  24 #include "common/c_converter.h"
  25 #include "common/c_content.h"
  26 #include "log.h"
  27 #include "tool.h"
  28 #include "serverobject.h"
  29 #include "content_object.h"
  30 #include "content_sao.h"
  31 #include "server.h"
  32 #include "hud.h"
  33
  34
  35 struct EnumString es_HudElementType[] =
  36 {
  37         {HUD_ELEM_IMAGE,     "image"},
  38         {HUD_ELEM_TEXT,      "text"},
  39         {HUD_ELEM_STATBAR,   "statbar"},
  40         {HUD_ELEM_INVENTORY, "inventory"},
  41         {HUD_ELEM_WAYPOINT,  "waypoint"},
  42 {0, NULL},
  43 };
  44
  45 struct EnumString es_HudElementStat[] =
  46 {
  47         {HUD_STAT_POS,    "position"},
  48         {HUD_STAT_POS,    "pos"}, /* Deprecated, only for compatibility's sake */
  49         {HUD_STAT_NAME,   "name"},
  50         {HUD_STAT_SCALE,  "scale"},
  51         {HUD_STAT_TEXT,   "text"},
  52         {HUD_STAT_NUMBER, "number"},
  53         {HUD_STAT_ITEM,   "item"},
  54         {HUD_STAT_DIR,    "direction"},
  55         {HUD_STAT_ALIGN,  "alignment"},
  56         {HUD_STAT_OFFSET, "offset"},
  57         {HUD_STAT_WORLD_POS, "world_pos"},
  58         {0, NULL},
  59 };
  60
  61 struct EnumString es_HudBuiltinElement[] =
  62 {
  63         {HUD_FLAG_HOTBAR_VISIBLE,    "hotbar"},
  64         {HUD_FLAG_HEALTHBAR_VISIBLE, "healthbar"},
  65         {HUD_FLAG_CROSSHAIR_VISIBLE, "crosshair"},
  66         {HUD_FLAG_WIELDITEM_VISIBLE, "wielditem"},
  67         {HUD_FLAG_BREATHBAR_VISIBLE, "breathbar"},
  68         {0, NULL},
  69 };
  70
  71 /*
  72         ObjectRef
  73 */
  74
  75
  76 ObjectRef* ObjectRef::checkobject(lua_State *L, int narg)
  77 {
  78         luaL_checktype(L, narg, LUA_TUSERDATA);
  79         void *ud = luaL_checkudata(L, narg, className);
  80         if(!ud) luaL_typerror(L, narg, className);
  81         return *(ObjectRef**)ud;  // unbox pointer
  82 }
  83
  84 ServerActiveObject* ObjectRef::getobject(ObjectRef *ref)
  85 {
  86         ServerActiveObject *co = ref->m_object;
  87         return co;
  88 }
  89
  90 LuaEntitySAO* ObjectRef::getluaobject(ObjectRef *ref)
  91 {
  92         ServerActiveObject *obj = getobject(ref);
  93         if(obj == NULL)
  94                 return NULL;
  95         if(obj->getType() != ACTIVEOBJECT_TYPE_LUAENTITY)
  96                 return NULL;
  97         return (LuaEntitySAO*)obj;
  98 }
  99
 100 PlayerSAO* ObjectRef::getplayersao(ObjectRef *ref)
 101 {
 102         ServerActiveObject *obj = getobject(ref);
 103         if(obj == NULL)
 104                 return NULL;
 105         if(obj->getType() != ACTIVEOBJECT_TYPE_PLAYER)
 106                 return NULL;
 107         return (PlayerSAO*)obj;
 108 }
 109
 110 Player* ObjectRef::getplayer(ObjectRef *ref)
 111 {
 112         PlayerSAO *playersao = getplayersao(ref);
 113         if(playersao == NULL)
 114                 return NULL;
 115         return playersao->getPlayer();
 116 }
 117
 118 // Exported functions
 119
 120 // garbage collector
 121 int ObjectRef::gc_object(lua_State *L) {
 122         ObjectRef *o = *(ObjectRef **)(lua_touserdata(L, 1));
 123         //infostream<<"ObjectRef::gc_object: o="<<o<<std::endl;
 124         delete o;
 125         return 0;
 126 }
 127
 128 // remove(self)
 129 int ObjectRef::l_remove(lua_State *L)
 130 {
 131         NO_MAP_LOCK_REQUIRED;
 132         ObjectRef *ref = checkobject(L, 1);
 133         ServerActiveObject *co = getobject(ref);
 134         if(co == NULL) return 0;
 135         verbosestream<<"ObjectRef::l_remove(): id="<<co->getId()<<std::endl;
 136         co->m_removed = true;
 137         return 0;
 138 }
 139
 140 // getpos(self)
 141 // returns: {x=num, y=num, z=num}
 142 int ObjectRef::l_getpos(lua_State *L)
 143 {
 144         NO_MAP_LOCK_REQUIRED;
 145         ObjectRef *ref = checkobject(L, 1);
 146         ServerActiveObject *co = getobject(ref);
 147         if(co == NULL) return 0;
 148         v3f pos = co->getBasePosition() / BS;
 149         lua_newtable(L);
 150         lua_pushnumber(L, pos.X);
 151         lua_setfield(L, -2, "x");
 152         lua_pushnumber(L, pos.Y);
 153         lua_setfield(L, -2, "y");
 154         lua_pushnumber(L, pos.Z);
 155         lua_setfield(L, -2, "z");
 156         return 1;
 157 }
 158
 159 // setpos(self, pos)
 160 int ObjectRef::l_setpos(lua_State *L)
 161 {
 162         NO_MAP_LOCK_REQUIRED;
 163         ObjectRef *ref = checkobject(L, 1);
 164         //LuaEntitySAO *co = getluaobject(ref);
 165         ServerActiveObject *co = getobject(ref);
 166         if(co == NULL) return 0;
 167         // pos
 168         v3f pos = checkFloatPos(L, 2);
 169         // Do it
 170         co->setPos(pos);
 171         return 0;
 172 }
 173
 174 // moveto(self, pos, continuous=false)
 175 int ObjectRef::l_moveto(lua_State *L)
 176 {
 177         NO_MAP_LOCK_REQUIRED;
 178         ObjectRef *ref = checkobject(L, 1);
 179         //LuaEntitySAO *co = getluaobject(ref);
 180         ServerActiveObject *co = getobject(ref);
 181         if(co == NULL) return 0;
 182         // pos
 183         v3f pos = checkFloatPos(L, 2);
 184         // continuous
 185         bool continuous = lua_toboolean(L, 3);
 186         // Do it
 187         co->moveTo(pos, continuous);
 188         return 0;
 189 }
 190
 191 // punch(self, puncher, time_from_last_punch, tool_capabilities, dir)
 192 int ObjectRef::l_punch(lua_State *L)
 193 {
 194         NO_MAP_LOCK_REQUIRED;
 195         ObjectRef *ref = checkobject(L, 1);
 196         ObjectRef *puncher_ref = checkobject(L, 2);
 197         ServerActiveObject *co = getobject(ref);
 198         ServerActiveObject *puncher = getobject(puncher_ref);
 199         if(co == NULL) return 0;
 200         if(puncher == NULL) return 0;
 201         v3f dir;
 202         if(lua_type(L, 5) != LUA_TTABLE)
 203                 dir = co->getBasePosition() - puncher->getBasePosition();
 204         else
 205                 dir = read_v3f(L, 5);
 206         float time_from_last_punch = 1000000;
 207         if(lua_isnumber(L, 3))
 208                 time_from_last_punch = lua_tonumber(L, 3);
 209         ToolCapabilities toolcap = read_tool_capabilities(L, 4);
 210         dir.normalize();
 211         // Do it
 212         co->punch(dir, &toolcap, puncher, time_from_last_punch);
 213         return 0;
 214 }
 215
 216 // right_click(self, clicker); clicker = an another ObjectRef
 217 int ObjectRef::l_right_click(lua_State *L)
 218 {
 219         NO_MAP_LOCK_REQUIRED;
 220         ObjectRef *ref = checkobject(L, 1);
 221         ObjectRef *ref2 = checkobject(L, 2);
 222         ServerActiveObject *co = getobject(ref);
 223         ServerActiveObject *co2 = getobject(ref2);
 224         if(co == NULL) return 0;
 225         if(co2 == NULL) return 0;
 226         // Do it
 227         co->rightClick(co2);
 228         return 0;
 229 }
 230
 231 // set_hp(self, hp)
 232 // hp = number of hitpoints (2 * number of hearts)
 233 // returns: nil
 234 int ObjectRef::l_set_hp(lua_State *L)
 235 {
 236         NO_MAP_LOCK_REQUIRED;
 237         ObjectRef *ref = checkobject(L, 1);
 238         luaL_checknumber(L, 2);
 239         ServerActiveObject *co = getobject(ref);
 240         if(co == NULL) return 0;
 241         int hp = lua_tonumber(L, 2);
 242         /*infostream<<"ObjectRef::l_set_hp(): id="<<co->getId()
 243                         <<" hp="<<hp<<std::endl;*/
 244         // Do it
 245         co->setHP(hp);
 246         // Return
 247         return 0;
 248 }
 249
 250 // get_hp(self)
 251 // returns: number of hitpoints (2 * number of hearts)
 252 // 0 if not applicable to this type of object
 253 int ObjectRef::l_get_hp(lua_State *L)
 254 {
 255         NO_MAP_LOCK_REQUIRED;
 256         ObjectRef *ref = checkobject(L, 1);
 257         ServerActiveObject *co = getobject(ref);
 258         if(co == NULL){
 259                 // Default hp is 1
 260                 lua_pushnumber(L, 1);
 261                 return 1;
 262         }
 263         int hp = co->getHP();
 264         /*infostream<<"ObjectRef::l_get_hp(): id="<<co->getId()
 265                         <<" hp="<<hp<<std::endl;*/
 266         // Return
 267         lua_pushnumber(L, hp);
 268         return 1;
 269 }
 270
 271 // get_inventory(self)
 272 int ObjectRef::l_get_inventory(lua_State *L)
 273 {
 274         NO_MAP_LOCK_REQUIRED;
 275         ObjectRef *ref = checkobject(L, 1);
 276         ServerActiveObject *co = getobject(ref);
 277         if(co == NULL) return 0;
 278         // Do it
 279         InventoryLocation loc = co->getInventoryLocation();
 280         if(getServer(L)->getInventory(loc) != NULL)
 281                 InvRef::create(L, loc);
 282         else
 283                 lua_pushnil(L); // An object may have no inventory (nil)
 284         return 1;
 285 }
 286
 287 // get_wield_list(self)
 288 int ObjectRef::l_get_wield_list(lua_State *L)
 289 {
 290         NO_MAP_LOCK_REQUIRED;
 291         ObjectRef *ref = checkobject(L, 1);
 292         ServerActiveObject *co = getobject(ref);
 293         if(co == NULL) return 0;
 294         // Do it
 295         lua_pushstring(L, co->getWieldList().c_str());
 296         return 1;
 297 }
 298
 299 // get_wield_index(self)
 300 int ObjectRef::l_get_wield_index(lua_State *L)
 301 {
 302         NO_MAP_LOCK_REQUIRED;
 303         ObjectRef *ref = checkobject(L, 1);
 304         ServerActiveObject *co = getobject(ref);
 305         if(co == NULL) return 0;
 306         // Do it
 307         lua_pushinteger(L, co->getWieldIndex() + 1);
 308         return 1;
 309 }
 310
 311 // get_wielded_item(self)
 312 int ObjectRef::l_get_wielded_item(lua_State *L)
 313 {
 314         NO_MAP_LOCK_REQUIRED;
 315         ObjectRef *ref = checkobject(L, 1);
 316         ServerActiveObject *co = getobject(ref);
 317         if(co == NULL){
 318                 // Empty ItemStack
 319                 LuaItemStack::create(L, ItemStack());
 320                 return 1;
 321         }
 322         // Do it
 323         LuaItemStack::create(L, co->getWieldedItem());
 324         return 1;
 325 }
 326
 327 // set_wielded_item(self, itemstack or itemstring or table or nil)
 328 int ObjectRef::l_set_wielded_item(lua_State *L)
 329 {
 330         NO_MAP_LOCK_REQUIRED;
 331         ObjectRef *ref = checkobject(L, 1);
 332         ServerActiveObject *co = getobject(ref);
 333         if(co == NULL) return 0;
 334         // Do it
 335         ItemStack item = read_item(L, 2, getServer(L));
 336         bool success = co->setWieldedItem(item);
 337         lua_pushboolean(L, success);
 338         return 1;
 339 }
 340
 341 // set_armor_groups(self, groups)
 342 int ObjectRef::l_set_armor_groups(lua_State *L)
 343 {
 344         NO_MAP_LOCK_REQUIRED;
 345         ObjectRef *ref = checkobject(L, 1);
 346         ServerActiveObject *co = getobject(ref);
 347         if(co == NULL) return 0;
 348         // Do it
 349         ItemGroupList groups;
 350         read_groups(L, 2, groups);
 351         co->setArmorGroups(groups);
 352         return 0;
 353 }
 354
 355 // set_physics_override(self, physics_override_speed, physics_override_jump,
 356 //                      physics_override_gravity, sneak, sneak_glitch)
 357 int ObjectRef::l_set_physics_override(lua_State *L)
 358 {
 359         ObjectRef *ref = checkobject(L, 1);
 360         PlayerSAO *co = (PlayerSAO *) getobject(ref);
 361         if(co == NULL) return 0;
 362         // Do it
 363         if (lua_istable(L, 2)) {
 364                 co->m_physics_override_speed = getfloatfield_default(L, 2, "speed", co->m_physics_override_speed);
 365                 co->m_physics_override_jump = getfloatfield_default(L, 2, "jump", co->m_physics_override_jump);
 366                 co->m_physics_override_gravity = getfloatfield_default(L, 2, "gravity", co->m_physics_override_gravity);
 367                 co->m_physics_override_sneak = getboolfield_default(L, 2, "sneak", co->m_physics_override_sneak);
 368                 co->m_physics_override_sneak_glitch = getboolfield_default(L, 2, "sneak_glitch", co->m_physics_override_sneak_glitch);
 369                 co->m_physics_override_sent = false;
 370         } else {
 371                 // old, non-table format
 372                 if(!lua_isnil(L, 2)){
 373                         co->m_physics_override_speed = lua_tonumber(L, 2);
 374                         co->m_physics_override_sent = false;
 375                 }
 376                 if(!lua_isnil(L, 3)){
 377                         co->m_physics_override_jump = lua_tonumber(L, 3);
 378                         co->m_physics_override_sent = false;
 379                 }
 380                 if(!lua_isnil(L, 4)){
 381                         co->m_physics_override_gravity = lua_tonumber(L, 4);
 382                         co->m_physics_override_sent = false;
 383                 }
 384         }
 385         return 0;
 386 }
 387
 388 // set_animation(self, frame_range, frame_speed, frame_blend)
 389 int ObjectRef::l_set_animation(lua_State *L)
 390 {
 391         NO_MAP_LOCK_REQUIRED;
 392         ObjectRef *ref = checkobject(L, 1);
 393         ServerActiveObject *co = getobject(ref);
 394         if(co == NULL) return 0;
 395         // Do it
 396         v2f frames = v2f(1, 1);
 397         if(!lua_isnil(L, 2))
 398                 frames = read_v2f(L, 2);
 399         float frame_speed = 15;
 400         if(!lua_isnil(L, 3))
 401                 frame_speed = lua_tonumber(L, 3);
 402         float frame_blend = 0;
 403         if(!lua_isnil(L, 4))
 404                 frame_blend = lua_tonumber(L, 4);
 405         co->setAnimation(frames, frame_speed, frame_blend);
 406         return 0;
 407 }
 408
 409 // set_local_animation(self, {stand/idle}, {walk}, {dig}, {walk+dig}, frame_speed)
 410 int ObjectRef::l_set_local_animation(lua_State *L)
 411 {
 412         //NO_MAP_LOCK_REQUIRED;
 413         ObjectRef *ref = checkobject(L, 1);
 414         Player *player = getplayer(ref);
 415         if (player == NULL)
 416                 return 0;
 417         // Do it
 418         v2f frames[4];
 419         for (int i=0;i<4;i++) {
 420                 if(!lua_isnil(L, 2+1))
 421                         frames[i] = read_v2f(L, 2+i);
 422         }
 423         float frame_speed = 30;
 424         if(!lua_isnil(L, 6))
 425                 frame_speed = lua_tonumber(L, 6);
 426
 427         if (!getServer(L)->setLocalPlayerAnimations(player, frames, frame_speed))
 428                 return 0;
 429
 430         lua_pushboolean(L, true);
 431         return 0;
 432 }
 433
 434 // set_eye_offset(self, v3f first pv, v3f third pv)
 435 int ObjectRef::l_set_eye_offset(lua_State *L)
 436 {
 437         //NO_MAP_LOCK_REQUIRED;
 438         ObjectRef *ref = checkobject(L, 1);
 439         Player *player = getplayer(ref);
 440         if (player == NULL)
 441                 return 0;
 442         // Do it
 443         v3f offset_first = v3f(0, 0, 0);
 444         v3f offset_third = v3f(0, 0, 0);
 445
 446         if(!lua_isnil(L, 2))
 447                 offset_first = read_v3f(L, 2);
 448         if(!lua_isnil(L, 3))
 449                 offset_third = read_v3f(L, 3);
 450
 451         // Prevent abuse of offset values (keep player always visible)
 452         offset_third.X = rangelim(offset_third.X,-10,10);
 453         offset_third.Z = rangelim(offset_third.Z,-5,5);
 454         /* TODO: if possible: improve the camera colision detetion to allow Y <= -1.5) */
 455         offset_third.Y = rangelim(offset_third.Y,-10,15); //1.5*BS
 456
 457         if (!getServer(L)->setPlayerEyeOffset(player, offset_first, offset_third))
 458                 return 0;
 459
 460         lua_pushboolean(L, true);
 461         return 0;
 462 }
 463
 464 // set_bone_position(self, std::string bone, v3f position, v3f rotation)
 465 int ObjectRef::l_set_bone_position(lua_State *L)
 466 {
 467         NO_MAP_LOCK_REQUIRED;
 468         ObjectRef *ref = checkobject(L, 1);
 469         ServerActiveObject *co = getobject(ref);
 470         if(co == NULL) return 0;
 471         // Do it
 472         std::string bone = "";
 473         if(!lua_isnil(L, 2))
 474                 bone = lua_tostring(L, 2);
 475         v3f position = v3f(0, 0, 0);
 476         if(!lua_isnil(L, 3))
 477                 position = read_v3f(L, 3);
 478         v3f rotation = v3f(0, 0, 0);
 479         if(!lua_isnil(L, 4))
 480                 rotation = read_v3f(L, 4);
 481         co->setBonePosition(bone, position, rotation);
 482         return 0;
 483 }
 484
 485 // set_attach(self, parent, bone, position, rotation)
 486 int ObjectRef::l_set_attach(lua_State *L)
 487 {
 488         NO_MAP_LOCK_REQUIRED;
 489         ObjectRef *ref = checkobject(L, 1);
 490         ObjectRef *parent_ref = checkobject(L, 2);
 491         ServerActiveObject *co = getobject(ref);
 492         ServerActiveObject *parent = getobject(parent_ref);
 493         if(co == NULL) return 0;
 494         if(parent == NULL) return 0;
 495         // Do it
 496         std::string bone = "";
 497         if(!lua_isnil(L, 3))
 498                 bone = lua_tostring(L, 3);
 499         v3f position = v3f(0, 0, 0);
 500         if(!lua_isnil(L, 4))
 501                 position = read_v3f(L, 4);
 502         v3f rotation = v3f(0, 0, 0);
 503         if(!lua_isnil(L, 5))
 504                 rotation = read_v3f(L, 5);
 505         co->setAttachment(parent->getId(), bone, position, rotation);
 506         return 0;
 507 }
 508
 509 // set_detach(self)
 510 int ObjectRef::l_set_detach(lua_State *L)
 511 {
 512         NO_MAP_LOCK_REQUIRED;
 513         ObjectRef *ref = checkobject(L, 1);
 514         ServerActiveObject *co = getobject(ref);
 515         if(co == NULL) return 0;
 516         // Do it
 517         co->setAttachment(0, "", v3f(0,0,0), v3f(0,0,0));
 518         return 0;
 519 }
 520
 521 // set_properties(self, properties)
 522 int ObjectRef::l_set_properties(lua_State *L)
 523 {
 524         NO_MAP_LOCK_REQUIRED;
 525         ObjectRef *ref = checkobject(L, 1);
 526         ServerActiveObject *co = getobject(ref);
 527         if(co == NULL) return 0;
 528         ObjectProperties *prop = co->accessObjectProperties();
 529         if(!prop)
 530                 return 0;
 531         read_object_properties(L, 2, prop);
 532         co->notifyObjectPropertiesModified();
 533         return 0;
 534 }
 535
 536 /* LuaEntitySAO-only */
 537
 538 // setvelocity(self, {x=num, y=num, z=num})
 539 int ObjectRef::l_setvelocity(lua_State *L)
 540 {
 541         NO_MAP_LOCK_REQUIRED;
 542         ObjectRef *ref = checkobject(L, 1);
 543         LuaEntitySAO *co = getluaobject(ref);
 544         if(co == NULL) return 0;
 545         v3f pos = checkFloatPos(L, 2);
 546         // Do it
 547         co->setVelocity(pos);
 548         return 0;
 549 }
 550
 551 // getvelocity(self)
 552 int ObjectRef::l_getvelocity(lua_State *L)
 553 {
 554         NO_MAP_LOCK_REQUIRED;
 555         ObjectRef *ref = checkobject(L, 1);
 556         LuaEntitySAO *co = getluaobject(ref);
 557         if(co == NULL) return 0;
 558         // Do it
 559         v3f v = co->getVelocity();
 560         pushFloatPos(L, v);
 561         return 1;
 562 }
 563
 564 // setacceleration(self, {x=num, y=num, z=num})
 565 int ObjectRef::l_setacceleration(lua_State *L)
 566 {
 567         NO_MAP_LOCK_REQUIRED;
 568         ObjectRef *ref = checkobject(L, 1);
 569         LuaEntitySAO *co = getluaobject(ref);
 570         if(co == NULL) return 0;
 571         // pos
 572         v3f pos = checkFloatPos(L, 2);
 573         // Do it
 574         co->setAcceleration(pos);
 575         return 0;
 576 }
 577
 578 // getacceleration(self)
 579 int ObjectRef::l_getacceleration(lua_State *L)
 580 {
 581         NO_MAP_LOCK_REQUIRED;
 582         ObjectRef *ref = checkobject(L, 1);
 583         LuaEntitySAO *co = getluaobject(ref);
 584         if(co == NULL) return 0;
 585         // Do it
 586         v3f v = co->getAcceleration();
 587         pushFloatPos(L, v);
 588         return 1;
 589 }
 590
 591 // setyaw(self, radians)
 592 int ObjectRef::l_setyaw(lua_State *L)
 593 {
 594         NO_MAP_LOCK_REQUIRED;
 595         ObjectRef *ref = checkobject(L, 1);
 596         LuaEntitySAO *co = getluaobject(ref);
 597         if(co == NULL) return 0;
 598         float yaw = luaL_checknumber(L, 2) * core::RADTODEG;
 599         // Do it
 600         co->setYaw(yaw);
 601         return 0;
 602 }
 603
 604 // getyaw(self)
 605 int ObjectRef::l_getyaw(lua_State *L)
 606 {
 607         NO_MAP_LOCK_REQUIRED;
 608         ObjectRef *ref = checkobject(L, 1);
 609         LuaEntitySAO *co = getluaobject(ref);
 610         if(co == NULL) return 0;
 611         // Do it
 612         float yaw = co->getYaw() * core::DEGTORAD;
 613         lua_pushnumber(L, yaw);
 614         return 1;
 615 }
 616
 617 // settexturemod(self, mod)
 618 int ObjectRef::l_settexturemod(lua_State *L)
 619 {
 620         NO_MAP_LOCK_REQUIRED;
 621         ObjectRef *ref = checkobject(L, 1);
 622         LuaEntitySAO *co = getluaobject(ref);
 623         if(co == NULL) return 0;
 624         // Do it
 625         std::string mod = luaL_checkstring(L, 2);
 626         co->setTextureMod(mod);
 627         return 0;
 628 }
 629
 630 // setsprite(self, p={x=0,y=0}, num_frames=1, framelength=0.2,
 631 //           select_horiz_by_yawpitch=false)
 632 int ObjectRef::l_setsprite(lua_State *L)
 633 {
 634         NO_MAP_LOCK_REQUIRED;
 635         ObjectRef *ref = checkobject(L, 1);
 636         LuaEntitySAO *co = getluaobject(ref);
 637         if(co == NULL) return 0;
 638         // Do it
 639         v2s16 p(0,0);
 640         if(!lua_isnil(L, 2))
 641                 p = read_v2s16(L, 2);
 642         int num_frames = 1;
 643         if(!lua_isnil(L, 3))
 644                 num_frames = lua_tonumber(L, 3);
 645         float framelength = 0.2;
 646         if(!lua_isnil(L, 4))
 647                 framelength = lua_tonumber(L, 4);
 648         bool select_horiz_by_yawpitch = false;
 649         if(!lua_isnil(L, 5))
 650                 select_horiz_by_yawpitch = lua_toboolean(L, 5);
 651         co->setSprite(p, num_frames, framelength, select_horiz_by_yawpitch);
 652         return 0;
 653 }
 654
 655 // DEPRECATED
 656 // get_entity_name(self)
 657 int ObjectRef::l_get_entity_name(lua_State *L)
 658 {
 659         NO_MAP_LOCK_REQUIRED;
 660         ObjectRef *ref = checkobject(L, 1);
 661         LuaEntitySAO *co = getluaobject(ref);
 662         if(co == NULL) return 0;
 663         // Do it
 664         std::string name = co->getName();
 665         lua_pushstring(L, name.c_str());
 666         return 1;
 667 }
 668
 669 // get_luaentity(self)
 670 int ObjectRef::l_get_luaentity(lua_State *L)
 671 {
 672         NO_MAP_LOCK_REQUIRED;
 673         ObjectRef *ref = checkobject(L, 1);
 674         LuaEntitySAO *co = getluaobject(ref);
 675         if(co == NULL) return 0;
 676         // Do it
 677         luaentity_get(L, co->getId());
 678         return 1;
 679 }
 680
 681 /* Player-only */
 682
 683 // is_player(self)
 684 int ObjectRef::l_is_player(lua_State *L)
 685 {
 686         NO_MAP_LOCK_REQUIRED;
 687         ObjectRef *ref = checkobject(L, 1);
 688         Player *player = getplayer(ref);
 689         lua_pushboolean(L, (player != NULL));
 690         return 1;
 691 }
 692
 693 // is_player_connected(self)
 694 int ObjectRef::l_is_player_connected(lua_State *L)
 695 {
 696         NO_MAP_LOCK_REQUIRED;
 697         ObjectRef *ref = checkobject(L, 1);
 698         Player *player = getplayer(ref);
 699         lua_pushboolean(L, (player != NULL && player->peer_id != 0));
 700         return 1;
 701 }
 702
 703 // get_player_name(self)
 704 int ObjectRef::l_get_player_name(lua_State *L)
 705 {
 706         NO_MAP_LOCK_REQUIRED;
 707         ObjectRef *ref = checkobject(L, 1);
 708         Player *player = getplayer(ref);
 709         if(player == NULL){
 710                 lua_pushlstring(L, "", 0);
 711                 return 1;
 712         }
 713         // Do it
 714         lua_pushstring(L, player->getName());
 715         return 1;
 716 }
 717
 718 // get_look_dir(self)
 719 int ObjectRef::l_get_look_dir(lua_State *L)
 720 {
 721         NO_MAP_LOCK_REQUIRED;
 722         ObjectRef *ref = checkobject(L, 1);
 723         Player *player = getplayer(ref);
 724         if(player == NULL) return 0;
 725         // Do it
 726         float pitch = player->getRadPitch();
 727         float yaw = player->getRadYaw();
 728         v3f v(cos(pitch)*cos(yaw), sin(pitch), cos(pitch)*sin(yaw));
 729         push_v3f(L, v);
 730         return 1;
 731 }
 732
 733 // get_look_pitch(self)
 734 int ObjectRef::l_get_look_pitch(lua_State *L)
 735 {
 736         NO_MAP_LOCK_REQUIRED;
 737         ObjectRef *ref = checkobject(L, 1);
 738         Player *player = getplayer(ref);
 739         if(player == NULL) return 0;
 740         // Do it
 741         lua_pushnumber(L, player->getRadPitch());
 742         return 1;
 743 }
 744
 745 // get_look_yaw(self)
 746 int ObjectRef::l_get_look_yaw(lua_State *L)
 747 {
 748         NO_MAP_LOCK_REQUIRED;
 749         ObjectRef *ref = checkobject(L, 1);
 750         Player *player = getplayer(ref);
 751         if(player == NULL) return 0;
 752         // Do it
 753         lua_pushnumber(L, player->getRadYaw());
 754         return 1;
 755 }
 756
 757 // set_look_pitch(self, radians)
 758 int ObjectRef::l_set_look_pitch(lua_State *L)
 759 {
 760         NO_MAP_LOCK_REQUIRED;
 761         ObjectRef *ref = checkobject(L, 1);
 762         PlayerSAO* co = getplayersao(ref);
 763         if(co == NULL) return 0;
 764         float pitch = luaL_checknumber(L, 2) * core::RADTODEG;
 765         // Do it
 766         co->setPitch(pitch);
 767         return 1;
 768 }
 769
 770 // set_look_yaw(self, radians)
 771 int ObjectRef::l_set_look_yaw(lua_State *L)
 772 {
 773         NO_MAP_LOCK_REQUIRED;
 774         ObjectRef *ref = checkobject(L, 1);
 775         PlayerSAO* co = getplayersao(ref);
 776         if(co == NULL) return 0;
 777         float yaw = luaL_checknumber(L, 2) * core::RADTODEG;
 778         // Do it
 779         co->setYaw(yaw);
 780         return 1;
 781 }
 782
 783 // set_breath(self, breath)
 784 int ObjectRef::l_set_breath(lua_State *L)
 785 {
 786         NO_MAP_LOCK_REQUIRED;
 787         ObjectRef *ref = checkobject(L, 1);
 788         PlayerSAO* co = getplayersao(ref);
 789         if(co == NULL) return 0;
 790         u16 breath = luaL_checknumber(L, 2);
 791         // Do it
 792         co->setBreath(breath);
 793         co->m_breath_not_sent = true;
 794         return 0;
 795 }
 796
 797 // get_breath(self)
 798 int ObjectRef::l_get_breath(lua_State *L)
 799 {
 800         NO_MAP_LOCK_REQUIRED;
 801         ObjectRef *ref = checkobject(L, 1);
 802         PlayerSAO* co = getplayersao(ref);
 803         if(co == NULL) return 0;
 804         // Do it
 805         u16 breath = co->getBreath();
 806         lua_pushinteger (L, breath);
 807         return 1;
 808 }
 809
 810 // set_inventory_formspec(self, formspec)
 811 int ObjectRef::l_set_inventory_formspec(lua_State *L)
 812 {
 813         NO_MAP_LOCK_REQUIRED;
 814         ObjectRef *ref = checkobject(L, 1);
 815         Player *player = getplayer(ref);
 816         if(player == NULL) return 0;
 817         std::string formspec = luaL_checkstring(L, 2);
 818
 819         player->inventory_formspec = formspec;
 820         getServer(L)->reportInventoryFormspecModified(player->getName());
 821         lua_pushboolean(L, true);
 822         return 1;
 823 }
 824
 825 // get_inventory_formspec(self) -> formspec
 826 int ObjectRef::l_get_inventory_formspec(lua_State *L)
 827 {
 828         NO_MAP_LOCK_REQUIRED;
 829         ObjectRef *ref = checkobject(L, 1);
 830         Player *player = getplayer(ref);
 831         if(player == NULL) return 0;
 832
 833         std::string formspec = player->inventory_formspec;
 834         lua_pushlstring(L, formspec.c_str(), formspec.size());
 835         return 1;
 836 }
 837
 838 // get_player_control(self)
 839 int ObjectRef::l_get_player_control(lua_State *L)
 840 {
 841         NO_MAP_LOCK_REQUIRED;
 842         ObjectRef *ref = checkobject(L, 1);
 843         Player *player = getplayer(ref);
 844         if(player == NULL){
 845                 lua_pushlstring(L, "", 0);
 846                 return 1;
 847         }
 848         // Do it
 849         PlayerControl control = player->getPlayerControl();
 850         lua_newtable(L);
 851         lua_pushboolean(L, control.up);
 852         lua_setfield(L, -2, "up");
 853         lua_pushboolean(L, control.down);
 854         lua_setfield(L, -2, "down");
 855         lua_pushboolean(L, control.left);
 856         lua_setfield(L, -2, "left");
 857         lua_pushboolean(L, control.right);
 858         lua_setfield(L, -2, "right");
 859         lua_pushboolean(L, control.jump);
 860         lua_setfield(L, -2, "jump");
 861         lua_pushboolean(L, control.aux1);
 862         lua_setfield(L, -2, "aux1");
 863         lua_pushboolean(L, control.sneak);
 864         lua_setfield(L, -2, "sneak");
 865         lua_pushboolean(L, control.LMB);
 866         lua_setfield(L, -2, "LMB");
 867         lua_pushboolean(L, control.RMB);
 868         lua_setfield(L, -2, "RMB");
 869         return 1;
 870 }
 871
 872 // get_player_control_bits(self)
 873 int ObjectRef::l_get_player_control_bits(lua_State *L)
 874 {
 875         NO_MAP_LOCK_REQUIRED;
 876         ObjectRef *ref = checkobject(L, 1);
 877         Player *player = getplayer(ref);
 878         if(player == NULL){
 879                 lua_pushlstring(L, "", 0);
 880                 return 1;
 881         }
 882         // Do it
 883         lua_pushnumber(L, player->keyPressed);
 884         return 1;
 885 }
 886
 887 // hud_add(self, form)
 888 int ObjectRef::l_hud_add(lua_State *L)
 889 {
 890         ObjectRef *ref = checkobject(L, 1);
 891         Player *player = getplayer(ref);
 892         if (player == NULL)
 893                 return 0;
 894
 895         HudElement *elem = new HudElement;
 896
 897         elem->type = (HudElementType)getenumfield(L, 2, "hud_elem_type",
 898                                                                 es_HudElementType, HUD_ELEM_TEXT);
 899
 900         lua_getfield(L, 2, "position");
 901         elem->pos = lua_istable(L, -1) ? read_v2f(L, -1) : v2f();
 902         lua_pop(L, 1);
 903
 904         lua_getfield(L, 2, "scale");
 905         elem->scale = lua_istable(L, -1) ? read_v2f(L, -1) : v2f();
 906         lua_pop(L, 1);
 907
 908         elem->name   = getstringfield_default(L, 2, "name", "");
 909         elem->text   = getstringfield_default(L, 2, "text", "");
 910         elem->number = getintfield_default(L, 2, "number", 0);
 911         elem->item   = getintfield_default(L, 2, "item", 0);
 912         elem->dir    = getintfield_default(L, 2, "dir", 0);
 913
 914         lua_getfield(L, 2, "alignment");
 915         elem->align = lua_istable(L, -1) ? read_v2f(L, -1) : v2f();
 916         lua_pop(L, 1);
 917
 918         lua_getfield(L, 2, "offset");
 919         elem->offset = lua_istable(L, -1) ? read_v2f(L, -1) : v2f();
 920         lua_pop(L, 1);
 921
 922         lua_getfield(L, 2, "world_pos");
 923         elem->world_pos = lua_istable(L, -1) ? read_v3f(L, -1) : v3f();
 924         lua_pop(L, 1);
 925
 926         u32 id = getServer(L)->hudAdd(player, elem);
 927         if (id == (u32)-1) {
 928                 delete elem;
 929                 return 0;
 930         }
 931
 932         lua_pushnumber(L, id);
 933         return 1;
 934 }
 935
 936 // hud_remove(self, id)
 937 int ObjectRef::l_hud_remove(lua_State *L)
 938 {
 939         ObjectRef *ref = checkobject(L, 1);
 940         Player *player = getplayer(ref);
 941         if (player == NULL)
 942                 return 0;
 943
 944         u32 id = -1;
 945         if (!lua_isnil(L, 2))
 946                 id = lua_tonumber(L, 2);
 947
 948         if (!getServer(L)->hudRemove(player, id))
 949                 return 0;
 950
 951         lua_pushboolean(L, true);
 952         return 1;
 953 }
 954
 955 // hud_change(self, id, stat, data)
 956 int ObjectRef::l_hud_change(lua_State *L)
 957 {
 958         ObjectRef *ref = checkobject(L, 1);
 959         Player *player = getplayer(ref);
 960         if (player == NULL)
 961                 return 0;
 962
 963         u32 id = !lua_isnil(L, 2) ? lua_tonumber(L, 2) : -1;
 964         if (id >= player->hud.size())
 965                 return 0;
 966
 967         HudElementStat stat = HUD_STAT_NUMBER;
 968         if (!lua_isnil(L, 3)) {
 969                 int statint;
 970                 std::string statstr = lua_tostring(L, 3);
 971                 stat = string_to_enum(es_HudElementStat, statint, statstr) ?
 972                                 (HudElementStat)statint : HUD_STAT_NUMBER;
 973         }
 974
 975         void *value = NULL;
 976         HudElement *e = player->hud[id];
 977         if (!e)
 978                 return 0;
 979
 980         switch (stat) {
 981                 case HUD_STAT_POS:
 982                         e->pos = read_v2f(L, 4);
 983                         value = &e->pos;
 984                         break;
 985                 case HUD_STAT_NAME:
 986                         e->name = lua_tostring(L, 4);
 987                         value = &e->name;
 988                         break;
 989                 case HUD_STAT_SCALE:
 990                         e->scale = read_v2f(L, 4);
 991                         value = &e->scale;
 992                         break;
 993                 case HUD_STAT_TEXT:
 994                         e->text = lua_tostring(L, 4);
 995                         value = &e->text;
 996                         break;
 997                 case HUD_STAT_NUMBER:
 998                         e->number = lua_tonumber(L, 4);
 999                         value = &e->number;
1000                         break;
1001                 case HUD_STAT_ITEM:
1002                         e->item = lua_tonumber(L, 4);
1003                         value = &e->item;
1004                         break;
1005                 case HUD_STAT_DIR:
1006                         e->dir = lua_tonumber(L, 4);
1007                         value = &e->dir;
1008                         break;
1009                 case HUD_STAT_ALIGN:
1010                         e->align = read_v2f(L, 4);
1011                         value = &e->align;
1012                         break;
1013                 case HUD_STAT_OFFSET:
1014                         e->offset = read_v2f(L, 4);
1015                         value = &e->offset;
1016                         break;
1017                 case HUD_STAT_WORLD_POS:
1018                         e->world_pos = read_v3f(L, 4);
1019                         value = &e->world_pos;
1020                         break;
1021         }
1022
1023         getServer(L)->hudChange(player, id, stat, value);
1024
1025         lua_pushboolean(L, true);
1026         return 1;
1027 }
1028
1029 // hud_get(self, id)
1030 int ObjectRef::l_hud_get(lua_State *L)
1031 {
1032         ObjectRef *ref = checkobject(L, 1);
1033         Player *player = getplayer(ref);
1034         if (player == NULL)
1035                 return 0;
1036
1037         u32 id = lua_tonumber(L, -1);
1038         if (id >= player->hud.size())
1039                 return 0;
1040
1041         HudElement *e = player->hud[id];
1042         if (!e)
1043                 return 0;
1044
1045         lua_newtable(L);
1046
1047         lua_pushstring(L, es_HudElementType[(u8)e->type].str);
1048         lua_setfield(L, -2, "type");
1049
1050         push_v2f(L, e->pos);
1051         lua_setfield(L, -2, "position");
1052
1053         lua_pushstring(L, e->name.c_str());
1054         lua_setfield(L, -2, "name");
1055
1056         push_v2f(L, e->scale);
1057         lua_setfield(L, -2, "scale");
1058
1059         lua_pushstring(L, e->text.c_str());
1060         lua_setfield(L, -2, "text");
1061
1062         lua_pushnumber(L, e->number);
1063         lua_setfield(L, -2, "number");
1064
1065         lua_pushnumber(L, e->item);
1066         lua_setfield(L, -2, "item");
1067
1068         lua_pushnumber(L, e->dir);
1069         lua_setfield(L, -2, "dir");
1070
1071         push_v3f(L, e->world_pos);
1072         lua_setfield(L, -2, "world_pos");
1073
1074         return 1;
1075 }
1076
1077 // hud_set_flags(self, flags)
1078 int ObjectRef::l_hud_set_flags(lua_State *L)
1079 {
1080         ObjectRef *ref = checkobject(L, 1);
1081         Player *player = getplayer(ref);
1082         if (player == NULL)
1083                 return 0;
1084
1085         u32 flags = 0;
1086         u32 mask  = 0;
1087         bool flag;
1088
1089         const EnumString *esp = es_HudBuiltinElement;
1090         for (int i = 0; esp[i].str; i++) {
1091                 if (getboolfield(L, 2, esp[i].str, flag)) {
1092                         flags |= esp[i].num * flag;
1093                         mask  |= esp[i].num;
1094                 }
1095         }
1096         if (!getServer(L)->hudSetFlags(player, flags, mask))
1097                 return 0;
1098
1099         lua_pushboolean(L, true);
1100         return 1;
1101 }
1102
1103 // hud_set_hotbar_itemcount(self, hotbar_itemcount)
1104 int ObjectRef::l_hud_set_hotbar_itemcount(lua_State *L)
1105 {
1106         ObjectRef *ref = checkobject(L, 1);
1107         Player *player = getplayer(ref);
1108         if (player == NULL)
1109                 return 0;
1110
1111         s32 hotbar_itemcount = lua_tonumber(L, 2);
1112
1113         if (!getServer(L)->hudSetHotbarItemcount(player, hotbar_itemcount))
1114                 return 0;
1115
1116         lua_pushboolean(L, true);
1117         return 1;
1118 }
1119
1120 // hud_set_hotbar_image(self, name)
1121 int ObjectRef::l_hud_set_hotbar_image(lua_State *L)
1122 {
1123         ObjectRef *ref = checkobject(L, 1);
1124         Player *player = getplayer(ref);
1125         if (player == NULL)
1126                 return 0;
1127
1128         std::string name = lua_tostring(L, 2);
1129
1130         getServer(L)->hudSetHotbarImage(player, name);
1131         return 1;
1132 }
1133
1134 // hud_set_hotbar_selected_image(self, name)
1135 int ObjectRef::l_hud_set_hotbar_selected_image(lua_State *L)
1136 {
1137         ObjectRef *ref = checkobject(L, 1);
1138         Player *player = getplayer(ref);
1139         if (player == NULL)
1140                 return 0;
1141
1142         std::string name = lua_tostring(L, 2);
1143
1144         getServer(L)->hudSetHotbarSelectedImage(player, name);
1145         return 1;
1146 }
1147
1148 // set_sky(self, bgcolor, type, list)
1149 int ObjectRef::l_set_sky(lua_State *L)
1150 {
1151         ObjectRef *ref = checkobject(L, 1);
1152         Player *player = getplayer(ref);
1153         if (player == NULL)
1154                 return 0;
1155
1156         video::SColor bgcolor(255,255,255,255);
1157         if (!lua_isnil(L, 2))
1158                 bgcolor = readARGB8(L, 2);
1159
1160         std::string type = luaL_checkstring(L, 3);
1161
1162         std::vector<std::string> params;
1163         if (lua_istable(L, 4)) {
1164                 int table = lua_gettop(L);
1165                 lua_pushnil(L);
1166                 while (lua_next(L, table) != 0) {
1167                         // key at index -2 and value at index -1
1168                         if (lua_isstring(L, -1))
1169                                 params.push_back(lua_tostring(L, -1));
1170                         else
1171                                 params.push_back("");
1172                         // removes value, keeps key for next iteration
1173                         lua_pop(L, 1);
1174                 }
1175         }
1176
1177         if (type == "skybox" && params.size() != 6)
1178                 throw LuaError("skybox expects 6 textures");
1179
1180         if (!getServer(L)->setSky(player, bgcolor, type, params))
1181                 return 0;
1182
1183         lua_pushboolean(L, true);
1184         return 1;
1185 }
1186
1187 // override_day_night_ratio(self, brightness=0...1)
1188 int ObjectRef::l_override_day_night_ratio(lua_State *L)
1189 {
1190         ObjectRef *ref = checkobject(L, 1);
1191         Player *player = getplayer(ref);
1192         if (player == NULL)
1193                 return 0;
1194
1195         bool do_override = false;
1196         float ratio = 0.0f;
1197         if (!lua_isnil(L, 2)){
1198                 do_override = true;
1199                 ratio = luaL_checknumber(L, 2);
1200         }
1201
1202         if (!getServer(L)->overrideDayNightRatio(player, do_override, ratio))
1203                 return 0;
1204
1205         lua_pushboolean(L, true);
1206         return 1;
1207 }
1208
1209 ObjectRef::ObjectRef(ServerActiveObject *object):
1210         m_object(object)
1211 {
1212         //infostream<<"ObjectRef created for id="<<m_object->getId()<<std::endl;
1213 }
1214
1215 ObjectRef::~ObjectRef()
1216 {
1217         /*if(m_object)
1218                 infostream<<"ObjectRef destructing for id="
1219                                 <<m_object->getId()<<std::endl;
1220         else
1221                 infostream<<"ObjectRef destructing for id=unknown"<<std::endl;*/
1222 }
1223
1224 // Creates an ObjectRef and leaves it on top of stack
1225 // Not callable from Lua; all references are created on the C side.
1226 void ObjectRef::create(lua_State *L, ServerActiveObject *object)
1227 {
1228         ObjectRef *o = new ObjectRef(object);
1229         //infostream<<"ObjectRef::create: o="<<o<<std::endl;
1230         *(void **)(lua_newuserdata(L, sizeof(void *))) = o;
1231         luaL_getmetatable(L, className);
1232         lua_setmetatable(L, -2);
1233 }
1234
1235 void ObjectRef::set_null(lua_State *L)
1236 {
1237         ObjectRef *o = checkobject(L, -1);
1238         o->m_object = NULL;
1239 }
1240
1241 void ObjectRef::Register(lua_State *L)
1242 {
1243         lua_newtable(L);
1244         int methodtable = lua_gettop(L);
1245         luaL_newmetatable(L, className);
1246         int metatable = lua_gettop(L);
1247
1248         lua_pushliteral(L, "__metatable");
1249         lua_pushvalue(L, methodtable);
1250         lua_settable(L, metatable);  // hide metatable from Lua getmetatable()
1251
1252         lua_pushliteral(L, "__index");
1253         lua_pushvalue(L, methodtable);
1254         lua_settable(L, metatable);
1255
1256         lua_pushliteral(L, "__gc");
1257         lua_pushcfunction(L, gc_object);
1258         lua_settable(L, metatable);
1259
1260         lua_pop(L, 1);  // drop metatable
1261
1262         luaL_openlib(L, 0, methods, 0);  // fill methodtable
1263         lua_pop(L, 1);  // drop methodtable
1264
1265         // Cannot be created from Lua
1266         //lua_register(L, className, create_object);
1267 }
1268
1269 const char ObjectRef::className[] = "ObjectRef";
1270 const luaL_reg ObjectRef::methods[] = {
1271         // ServerActiveObject
1272         luamethod(ObjectRef, remove),
1273         luamethod(ObjectRef, getpos),
1274         luamethod(ObjectRef, setpos),
1275         luamethod(ObjectRef, moveto),
1276         luamethod(ObjectRef, punch),
1277         luamethod(ObjectRef, right_click),
1278         luamethod(ObjectRef, set_hp),
1279         luamethod(ObjectRef, get_hp),
1280         luamethod(ObjectRef, get_inventory),
1281         luamethod(ObjectRef, get_wield_list),
1282         luamethod(ObjectRef, get_wield_index),
1283         luamethod(ObjectRef, get_wielded_item),
1284         luamethod(ObjectRef, set_wielded_item),
1285         luamethod(ObjectRef, set_armor_groups),
1286         luamethod(ObjectRef, set_physics_override),
1287         luamethod(ObjectRef, set_animation),
1288         luamethod(ObjectRef, set_bone_position),
1289         luamethod(ObjectRef, set_attach),
1290         luamethod(ObjectRef, set_detach),
1291         luamethod(ObjectRef, set_properties),
1292         // LuaEntitySAO-only
1293         luamethod(ObjectRef, setvelocity),
1294         luamethod(ObjectRef, getvelocity),
1295         luamethod(ObjectRef, setacceleration),
1296         luamethod(ObjectRef, getacceleration),
1297         luamethod(ObjectRef, setyaw),
1298         luamethod(ObjectRef, getyaw),
1299         luamethod(ObjectRef, settexturemod),
1300         luamethod(ObjectRef, setsprite),
1301         luamethod(ObjectRef, get_entity_name),
1302         luamethod(ObjectRef, get_luaentity),
1303         // Player-only
1304         luamethod(ObjectRef, is_player),
1305         luamethod(ObjectRef, is_player_connected),
1306         luamethod(ObjectRef, get_player_name),
1307         luamethod(ObjectRef, get_look_dir),
1308         luamethod(ObjectRef, get_look_pitch),
1309         luamethod(ObjectRef, get_look_yaw),
1310         luamethod(ObjectRef, set_look_yaw),
1311         luamethod(ObjectRef, set_look_pitch),
1312         luamethod(ObjectRef, get_breath),
1313         luamethod(ObjectRef, set_breath),
1314         luamethod(ObjectRef, set_inventory_formspec),
1315         luamethod(ObjectRef, get_inventory_formspec),
1316         luamethod(ObjectRef, get_player_control),
1317         luamethod(ObjectRef, get_player_control_bits),
1318         luamethod(ObjectRef, hud_add),
1319         luamethod(ObjectRef, hud_remove),
1320         luamethod(ObjectRef, hud_change),
1321         luamethod(ObjectRef, hud_get),
1322         luamethod(ObjectRef, hud_set_flags),
1323         luamethod(ObjectRef, hud_set_hotbar_itemcount),
1324         luamethod(ObjectRef, hud_set_hotbar_image),
1325         luamethod(ObjectRef, hud_set_hotbar_selected_image),
1326         luamethod(ObjectRef, set_sky),
1327         luamethod(ObjectRef, override_day_night_ratio),
1328         luamethod(ObjectRef, set_local_animation),
1329         luamethod(ObjectRef, set_eye_offset),
1330         {0,0}
1331 };