mirror of https://github.com/minetest/minetest.git
1911 lines
47 KiB
C++
1911 lines
47 KiB
C++
/*
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Minetest
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Copyright (C) 2013 celeron55, Perttu Ahola <celeron55@gmail.com>
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation; either version 2.1 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License along
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with this program; if not, write to the Free Software Foundation, Inc.,
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51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#include "lua_api/l_object.h"
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#include "lua_api/l_internal.h"
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#include "lua_api/l_inventory.h"
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#include "lua_api/l_item.h"
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#include "common/c_converter.h"
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#include "common/c_content.h"
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#include "log.h"
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#include "tool.h"
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#include "serverobject.h"
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#include "content_sao.h"
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#include "server.h"
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#include "hud.h"
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#include "serverscripting.h"
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struct EnumString es_HudElementType[] =
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{
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{HUD_ELEM_IMAGE, "image"},
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{HUD_ELEM_TEXT, "text"},
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{HUD_ELEM_STATBAR, "statbar"},
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{HUD_ELEM_INVENTORY, "inventory"},
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{HUD_ELEM_WAYPOINT, "waypoint"},
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{0, NULL},
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};
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struct EnumString es_HudElementStat[] =
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{
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{HUD_STAT_POS, "position"},
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{HUD_STAT_POS, "pos"}, /* Deprecated, only for compatibility's sake */
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{HUD_STAT_NAME, "name"},
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{HUD_STAT_SCALE, "scale"},
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{HUD_STAT_TEXT, "text"},
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{HUD_STAT_NUMBER, "number"},
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{HUD_STAT_ITEM, "item"},
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{HUD_STAT_DIR, "direction"},
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{HUD_STAT_ALIGN, "alignment"},
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{HUD_STAT_OFFSET, "offset"},
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{HUD_STAT_WORLD_POS, "world_pos"},
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{0, NULL},
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};
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struct EnumString es_HudBuiltinElement[] =
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{
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{HUD_FLAG_HOTBAR_VISIBLE, "hotbar"},
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{HUD_FLAG_HEALTHBAR_VISIBLE, "healthbar"},
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{HUD_FLAG_CROSSHAIR_VISIBLE, "crosshair"},
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{HUD_FLAG_WIELDITEM_VISIBLE, "wielditem"},
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{HUD_FLAG_BREATHBAR_VISIBLE, "breathbar"},
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{HUD_FLAG_MINIMAP_VISIBLE, "minimap"},
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{0, NULL},
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};
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/*
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ObjectRef
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*/
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ObjectRef* ObjectRef::checkobject(lua_State *L, int narg)
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{
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luaL_checktype(L, narg, LUA_TUSERDATA);
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void *ud = luaL_checkudata(L, narg, className);
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if (!ud) luaL_typerror(L, narg, className);
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return *(ObjectRef**)ud; // unbox pointer
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}
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ServerActiveObject* ObjectRef::getobject(ObjectRef *ref)
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{
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ServerActiveObject *co = ref->m_object;
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return co;
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}
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LuaEntitySAO* ObjectRef::getluaobject(ObjectRef *ref)
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{
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ServerActiveObject *obj = getobject(ref);
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if (obj == NULL)
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return NULL;
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if (obj->getType() != ACTIVEOBJECT_TYPE_LUAENTITY)
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return NULL;
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return (LuaEntitySAO*)obj;
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}
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PlayerSAO* ObjectRef::getplayersao(ObjectRef *ref)
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{
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ServerActiveObject *obj = getobject(ref);
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if (obj == NULL)
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return NULL;
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if (obj->getType() != ACTIVEOBJECT_TYPE_PLAYER)
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return NULL;
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return (PlayerSAO*)obj;
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}
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RemotePlayer *ObjectRef::getplayer(ObjectRef *ref)
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{
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PlayerSAO *playersao = getplayersao(ref);
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if (playersao == NULL)
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return NULL;
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return playersao->getPlayer();
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}
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// Exported functions
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// garbage collector
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int ObjectRef::gc_object(lua_State *L) {
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ObjectRef *o = *(ObjectRef **)(lua_touserdata(L, 1));
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//infostream<<"ObjectRef::gc_object: o="<<o<<std::endl;
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delete o;
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return 0;
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}
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// remove(self)
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int ObjectRef::l_remove(lua_State *L)
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{
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GET_ENV_PTR;
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ObjectRef *ref = checkobject(L, 1);
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ServerActiveObject *co = getobject(ref);
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if (co == NULL)
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return 0;
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if (co->getType() == ACTIVEOBJECT_TYPE_PLAYER)
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return 0;
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const UNORDERED_SET<int> &child_ids = co->getAttachmentChildIds();
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UNORDERED_SET<int>::const_iterator it;
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for (it = child_ids.begin(); it != child_ids.end(); ++it) {
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// Child can be NULL if it was deleted earlier
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if (ServerActiveObject *child = env->getActiveObject(*it))
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child->setAttachment(0, "", v3f(0, 0, 0), v3f(0, 0, 0));
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}
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verbosestream<<"ObjectRef::l_remove(): id="<<co->getId()<<std::endl;
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co->m_removed = true;
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return 0;
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}
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// get_pos(self)
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// returns: {x=num, y=num, z=num}
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int ObjectRef::l_get_pos(lua_State *L)
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{
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NO_MAP_LOCK_REQUIRED;
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ObjectRef *ref = checkobject(L, 1);
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ServerActiveObject *co = getobject(ref);
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if (co == NULL) return 0;
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v3f pos = co->getBasePosition() / BS;
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lua_newtable(L);
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lua_pushnumber(L, pos.X);
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lua_setfield(L, -2, "x");
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lua_pushnumber(L, pos.Y);
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lua_setfield(L, -2, "y");
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lua_pushnumber(L, pos.Z);
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lua_setfield(L, -2, "z");
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return 1;
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}
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// set_pos(self, pos)
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int ObjectRef::l_set_pos(lua_State *L)
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{
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NO_MAP_LOCK_REQUIRED;
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ObjectRef *ref = checkobject(L, 1);
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//LuaEntitySAO *co = getluaobject(ref);
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ServerActiveObject *co = getobject(ref);
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if (co == NULL) return 0;
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// pos
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v3f pos = checkFloatPos(L, 2);
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// Do it
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co->setPos(pos);
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return 0;
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}
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// move_to(self, pos, continuous=false)
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int ObjectRef::l_move_to(lua_State *L)
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{
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NO_MAP_LOCK_REQUIRED;
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ObjectRef *ref = checkobject(L, 1);
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//LuaEntitySAO *co = getluaobject(ref);
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ServerActiveObject *co = getobject(ref);
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if (co == NULL) return 0;
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// pos
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v3f pos = checkFloatPos(L, 2);
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// continuous
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bool continuous = lua_toboolean(L, 3);
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// Do it
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co->moveTo(pos, continuous);
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return 0;
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}
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// punch(self, puncher, time_from_last_punch, tool_capabilities, dir)
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int ObjectRef::l_punch(lua_State *L)
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{
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NO_MAP_LOCK_REQUIRED;
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ObjectRef *ref = checkobject(L, 1);
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ObjectRef *puncher_ref = checkobject(L, 2);
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ServerActiveObject *co = getobject(ref);
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ServerActiveObject *puncher = getobject(puncher_ref);
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if (co == NULL) return 0;
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if (puncher == NULL) return 0;
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v3f dir;
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if (lua_type(L, 5) != LUA_TTABLE)
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dir = co->getBasePosition() - puncher->getBasePosition();
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else
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dir = read_v3f(L, 5);
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float time_from_last_punch = 1000000;
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if (lua_isnumber(L, 3))
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time_from_last_punch = lua_tonumber(L, 3);
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ToolCapabilities toolcap = read_tool_capabilities(L, 4);
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dir.normalize();
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s16 src_original_hp = co->getHP();
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s16 dst_origin_hp = puncher->getHP();
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// Do it
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co->punch(dir, &toolcap, puncher, time_from_last_punch);
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// If the punched is a player, and its HP changed
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if (src_original_hp != co->getHP() &&
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co->getType() == ACTIVEOBJECT_TYPE_PLAYER) {
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getServer(L)->SendPlayerHPOrDie((PlayerSAO *)co);
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}
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// If the puncher is a player, and its HP changed
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if (dst_origin_hp != puncher->getHP() &&
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puncher->getType() == ACTIVEOBJECT_TYPE_PLAYER) {
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getServer(L)->SendPlayerHPOrDie((PlayerSAO *)puncher);
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}
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return 0;
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}
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// right_click(self, clicker); clicker = an another ObjectRef
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int ObjectRef::l_right_click(lua_State *L)
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{
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NO_MAP_LOCK_REQUIRED;
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ObjectRef *ref = checkobject(L, 1);
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ObjectRef *ref2 = checkobject(L, 2);
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ServerActiveObject *co = getobject(ref);
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ServerActiveObject *co2 = getobject(ref2);
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if (co == NULL) return 0;
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if (co2 == NULL) return 0;
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// Do it
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co->rightClick(co2);
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return 0;
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}
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// set_hp(self, hp)
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// hp = number of hitpoints (2 * number of hearts)
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// returns: nil
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int ObjectRef::l_set_hp(lua_State *L)
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{
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NO_MAP_LOCK_REQUIRED;
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ObjectRef *ref = checkobject(L, 1);
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luaL_checknumber(L, 2);
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ServerActiveObject *co = getobject(ref);
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if (co == NULL) return 0;
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int hp = lua_tonumber(L, 2);
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/*infostream<<"ObjectRef::l_set_hp(): id="<<co->getId()
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<<" hp="<<hp<<std::endl;*/
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// Do it
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co->setHP(hp);
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if (co->getType() == ACTIVEOBJECT_TYPE_PLAYER)
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getServer(L)->SendPlayerHPOrDie((PlayerSAO *)co);
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// Return
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return 0;
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}
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// get_hp(self)
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// returns: number of hitpoints (2 * number of hearts)
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// 0 if not applicable to this type of object
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int ObjectRef::l_get_hp(lua_State *L)
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{
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NO_MAP_LOCK_REQUIRED;
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ObjectRef *ref = checkobject(L, 1);
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ServerActiveObject *co = getobject(ref);
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if (co == NULL) {
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// Default hp is 1
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lua_pushnumber(L, 1);
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return 1;
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}
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int hp = co->getHP();
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/*infostream<<"ObjectRef::l_get_hp(): id="<<co->getId()
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<<" hp="<<hp<<std::endl;*/
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// Return
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lua_pushnumber(L, hp);
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return 1;
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}
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// get_inventory(self)
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int ObjectRef::l_get_inventory(lua_State *L)
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{
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NO_MAP_LOCK_REQUIRED;
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ObjectRef *ref = checkobject(L, 1);
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ServerActiveObject *co = getobject(ref);
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if (co == NULL) return 0;
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// Do it
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InventoryLocation loc = co->getInventoryLocation();
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if (getServer(L)->getInventory(loc) != NULL)
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InvRef::create(L, loc);
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else
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lua_pushnil(L); // An object may have no inventory (nil)
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return 1;
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}
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// get_wield_list(self)
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int ObjectRef::l_get_wield_list(lua_State *L)
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{
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NO_MAP_LOCK_REQUIRED;
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ObjectRef *ref = checkobject(L, 1);
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ServerActiveObject *co = getobject(ref);
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if (co == NULL) return 0;
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// Do it
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lua_pushstring(L, co->getWieldList().c_str());
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return 1;
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}
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// get_wield_index(self)
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int ObjectRef::l_get_wield_index(lua_State *L)
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{
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NO_MAP_LOCK_REQUIRED;
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ObjectRef *ref = checkobject(L, 1);
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ServerActiveObject *co = getobject(ref);
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if (co == NULL) return 0;
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// Do it
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lua_pushinteger(L, co->getWieldIndex() + 1);
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return 1;
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}
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// get_wielded_item(self)
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int ObjectRef::l_get_wielded_item(lua_State *L)
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{
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NO_MAP_LOCK_REQUIRED;
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ObjectRef *ref = checkobject(L, 1);
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ServerActiveObject *co = getobject(ref);
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if (co == NULL) {
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// Empty ItemStack
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LuaItemStack::create(L, ItemStack());
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return 1;
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}
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// Do it
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LuaItemStack::create(L, co->getWieldedItem());
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return 1;
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}
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// set_wielded_item(self, itemstack or itemstring or table or nil)
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int ObjectRef::l_set_wielded_item(lua_State *L)
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{
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NO_MAP_LOCK_REQUIRED;
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ObjectRef *ref = checkobject(L, 1);
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ServerActiveObject *co = getobject(ref);
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if (co == NULL) return 0;
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// Do it
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ItemStack item = read_item(L, 2, getServer(L)->idef());
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bool success = co->setWieldedItem(item);
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if (success && co->getType() == ACTIVEOBJECT_TYPE_PLAYER) {
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getServer(L)->SendInventory(((PlayerSAO*)co));
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}
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lua_pushboolean(L, success);
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return 1;
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}
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// set_armor_groups(self, groups)
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int ObjectRef::l_set_armor_groups(lua_State *L)
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{
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NO_MAP_LOCK_REQUIRED;
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ObjectRef *ref = checkobject(L, 1);
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ServerActiveObject *co = getobject(ref);
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if (co == NULL) return 0;
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// Do it
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ItemGroupList groups;
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read_groups(L, 2, groups);
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co->setArmorGroups(groups);
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return 0;
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}
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// get_armor_groups(self)
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int ObjectRef::l_get_armor_groups(lua_State *L)
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{
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NO_MAP_LOCK_REQUIRED;
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ObjectRef *ref = checkobject(L, 1);
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ServerActiveObject *co = getobject(ref);
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if (co == NULL)
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return 0;
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// Do it
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push_groups(L, co->getArmorGroups());
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return 1;
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}
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// set_physics_override(self, physics_override_speed, physics_override_jump,
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// physics_override_gravity, sneak, sneak_glitch)
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int ObjectRef::l_set_physics_override(lua_State *L)
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{
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NO_MAP_LOCK_REQUIRED;
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ObjectRef *ref = checkobject(L, 1);
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PlayerSAO *co = (PlayerSAO *) getobject(ref);
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if (co == NULL) return 0;
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// Do it
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if (lua_istable(L, 2)) {
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co->m_physics_override_speed = getfloatfield_default(L, 2, "speed", co->m_physics_override_speed);
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co->m_physics_override_jump = getfloatfield_default(L, 2, "jump", co->m_physics_override_jump);
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co->m_physics_override_gravity = getfloatfield_default(L, 2, "gravity", co->m_physics_override_gravity);
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co->m_physics_override_sneak = getboolfield_default(L, 2, "sneak", co->m_physics_override_sneak);
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co->m_physics_override_sneak_glitch = getboolfield_default(L, 2, "sneak_glitch", co->m_physics_override_sneak_glitch);
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co->m_physics_override_sent = false;
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} else {
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// old, non-table format
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if (!lua_isnil(L, 2)) {
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co->m_physics_override_speed = lua_tonumber(L, 2);
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co->m_physics_override_sent = false;
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}
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if (!lua_isnil(L, 3)) {
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co->m_physics_override_jump = lua_tonumber(L, 3);
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co->m_physics_override_sent = false;
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}
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if (!lua_isnil(L, 4)) {
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co->m_physics_override_gravity = lua_tonumber(L, 4);
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co->m_physics_override_sent = false;
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}
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}
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return 0;
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}
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// get_physics_override(self)
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int ObjectRef::l_get_physics_override(lua_State *L)
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{
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NO_MAP_LOCK_REQUIRED;
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ObjectRef *ref = checkobject(L, 1);
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PlayerSAO *co = (PlayerSAO *)getobject(ref);
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if (co == NULL)
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return 0;
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// Do it
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lua_newtable(L);
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lua_pushnumber(L, co->m_physics_override_speed);
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lua_setfield(L, -2, "speed");
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lua_pushnumber(L, co->m_physics_override_jump);
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lua_setfield(L, -2, "jump");
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lua_pushnumber(L, co->m_physics_override_gravity);
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lua_setfield(L, -2, "gravity");
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lua_pushboolean(L, co->m_physics_override_sneak);
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lua_setfield(L, -2, "sneak");
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lua_pushboolean(L, co->m_physics_override_sneak_glitch);
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lua_setfield(L, -2, "sneak_glitch");
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return 1;
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}
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// set_animation(self, frame_range, frame_speed, frame_blend, frame_loop)
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int ObjectRef::l_set_animation(lua_State *L)
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{
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NO_MAP_LOCK_REQUIRED;
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ObjectRef *ref = checkobject(L, 1);
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ServerActiveObject *co = getobject(ref);
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if (co == NULL) return 0;
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// Do it
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v2f frames = v2f(1, 1);
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if (!lua_isnil(L, 2))
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frames = read_v2f(L, 2);
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float frame_speed = 15;
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if (!lua_isnil(L, 3))
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frame_speed = lua_tonumber(L, 3);
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float frame_blend = 0;
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if (!lua_isnil(L, 4))
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frame_blend = lua_tonumber(L, 4);
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bool frame_loop = true;
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if (lua_isboolean(L, 5))
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frame_loop = lua_toboolean(L, 5);
|
|
co->setAnimation(frames, frame_speed, frame_blend, frame_loop);
|
|
return 0;
|
|
}
|
|
|
|
// get_animation(self)
|
|
int ObjectRef::l_get_animation(lua_State *L)
|
|
{
|
|
NO_MAP_LOCK_REQUIRED;
|
|
ObjectRef *ref = checkobject(L, 1);
|
|
ServerActiveObject *co = getobject(ref);
|
|
if (co == NULL)
|
|
return 0;
|
|
// Do it
|
|
v2f frames = v2f(1,1);
|
|
float frame_speed = 15;
|
|
float frame_blend = 0;
|
|
bool frame_loop = true;
|
|
co->getAnimation(&frames, &frame_speed, &frame_blend, &frame_loop);
|
|
|
|
push_v2f(L, frames);
|
|
lua_pushnumber(L, frame_speed);
|
|
lua_pushnumber(L, frame_blend);
|
|
lua_pushboolean(L, frame_loop);
|
|
return 4;
|
|
}
|
|
|
|
// set_local_animation(self, {stand/idle}, {walk}, {dig}, {walk+dig}, frame_speed)
|
|
int ObjectRef::l_set_local_animation(lua_State *L)
|
|
{
|
|
NO_MAP_LOCK_REQUIRED;
|
|
ObjectRef *ref = checkobject(L, 1);
|
|
RemotePlayer *player = getplayer(ref);
|
|
if (player == NULL)
|
|
return 0;
|
|
// Do it
|
|
v2s32 frames[4];
|
|
for (int i=0;i<4;i++) {
|
|
if (!lua_isnil(L, 2+1))
|
|
frames[i] = read_v2s32(L, 2+i);
|
|
}
|
|
float frame_speed = 30;
|
|
if (!lua_isnil(L, 6))
|
|
frame_speed = lua_tonumber(L, 6);
|
|
|
|
if (!getServer(L)->setLocalPlayerAnimations(player, frames, frame_speed))
|
|
return 0;
|
|
|
|
lua_pushboolean(L, true);
|
|
return 0;
|
|
}
|
|
|
|
// get_local_animation(self)
|
|
int ObjectRef::l_get_local_animation(lua_State *L)
|
|
{
|
|
NO_MAP_LOCK_REQUIRED
|
|
ObjectRef *ref = checkobject(L, 1);
|
|
RemotePlayer *player = getplayer(ref);
|
|
if (player == NULL)
|
|
return 0;
|
|
|
|
v2s32 frames[4];
|
|
float frame_speed;
|
|
player->getLocalAnimations(frames, &frame_speed);
|
|
|
|
for (int i = 0; i < 4; i++) {
|
|
push_v2s32(L, frames[i]);
|
|
}
|
|
|
|
lua_pushnumber(L, frame_speed);
|
|
return 5;
|
|
}
|
|
|
|
// set_eye_offset(self, v3f first pv, v3f third pv)
|
|
int ObjectRef::l_set_eye_offset(lua_State *L)
|
|
{
|
|
NO_MAP_LOCK_REQUIRED;
|
|
ObjectRef *ref = checkobject(L, 1);
|
|
RemotePlayer *player = getplayer(ref);
|
|
if (player == NULL)
|
|
return 0;
|
|
// Do it
|
|
v3f offset_first = v3f(0, 0, 0);
|
|
v3f offset_third = v3f(0, 0, 0);
|
|
|
|
if (!lua_isnil(L, 2))
|
|
offset_first = read_v3f(L, 2);
|
|
if (!lua_isnil(L, 3))
|
|
offset_third = read_v3f(L, 3);
|
|
|
|
// Prevent abuse of offset values (keep player always visible)
|
|
offset_third.X = rangelim(offset_third.X,-10,10);
|
|
offset_third.Z = rangelim(offset_third.Z,-5,5);
|
|
/* TODO: if possible: improve the camera colision detetion to allow Y <= -1.5) */
|
|
offset_third.Y = rangelim(offset_third.Y,-10,15); //1.5*BS
|
|
|
|
if (!getServer(L)->setPlayerEyeOffset(player, offset_first, offset_third))
|
|
return 0;
|
|
|
|
lua_pushboolean(L, true);
|
|
return 0;
|
|
}
|
|
|
|
// get_eye_offset(self)
|
|
int ObjectRef::l_get_eye_offset(lua_State *L)
|
|
{
|
|
NO_MAP_LOCK_REQUIRED;
|
|
ObjectRef *ref = checkobject(L, 1);
|
|
RemotePlayer *player = getplayer(ref);
|
|
if (player == NULL)
|
|
return 0;
|
|
// Do it
|
|
push_v3f(L, player->eye_offset_first);
|
|
push_v3f(L, player->eye_offset_third);
|
|
return 2;
|
|
}
|
|
|
|
// set_bone_position(self, std::string bone, v3f position, v3f rotation)
|
|
int ObjectRef::l_set_bone_position(lua_State *L)
|
|
{
|
|
NO_MAP_LOCK_REQUIRED;
|
|
ObjectRef *ref = checkobject(L, 1);
|
|
ServerActiveObject *co = getobject(ref);
|
|
if (co == NULL) return 0;
|
|
// Do it
|
|
std::string bone = "";
|
|
if (!lua_isnil(L, 2))
|
|
bone = lua_tostring(L, 2);
|
|
v3f position = v3f(0, 0, 0);
|
|
if (!lua_isnil(L, 3))
|
|
position = check_v3f(L, 3);
|
|
v3f rotation = v3f(0, 0, 0);
|
|
if (!lua_isnil(L, 4))
|
|
rotation = check_v3f(L, 4);
|
|
co->setBonePosition(bone, position, rotation);
|
|
return 0;
|
|
}
|
|
|
|
// get_bone_position(self, bone)
|
|
int ObjectRef::l_get_bone_position(lua_State *L)
|
|
{
|
|
NO_MAP_LOCK_REQUIRED;
|
|
ObjectRef *ref = checkobject(L, 1);
|
|
ServerActiveObject *co = getobject(ref);
|
|
if (co == NULL)
|
|
return 0;
|
|
// Do it
|
|
std::string bone = "";
|
|
if (!lua_isnil(L, 2))
|
|
bone = lua_tostring(L, 2);
|
|
|
|
v3f position = v3f(0, 0, 0);
|
|
v3f rotation = v3f(0, 0, 0);
|
|
co->getBonePosition(bone, &position, &rotation);
|
|
|
|
push_v3f(L, position);
|
|
push_v3f(L, rotation);
|
|
return 2;
|
|
}
|
|
|
|
// set_attach(self, parent, bone, position, rotation)
|
|
int ObjectRef::l_set_attach(lua_State *L)
|
|
{
|
|
GET_ENV_PTR;
|
|
|
|
ObjectRef *ref = checkobject(L, 1);
|
|
ObjectRef *parent_ref = checkobject(L, 2);
|
|
ServerActiveObject *co = getobject(ref);
|
|
ServerActiveObject *parent = getobject(parent_ref);
|
|
if (co == NULL)
|
|
return 0;
|
|
if (parent == NULL)
|
|
return 0;
|
|
// Do it
|
|
int parent_id = 0;
|
|
std::string bone = "";
|
|
v3f position = v3f(0, 0, 0);
|
|
v3f rotation = v3f(0, 0, 0);
|
|
co->getAttachment(&parent_id, &bone, &position, &rotation);
|
|
if (parent_id) {
|
|
ServerActiveObject *old_parent = env->getActiveObject(parent_id);
|
|
old_parent->removeAttachmentChild(co->getId());
|
|
}
|
|
|
|
bone = "";
|
|
if (!lua_isnil(L, 3))
|
|
bone = lua_tostring(L, 3);
|
|
position = v3f(0, 0, 0);
|
|
if (!lua_isnil(L, 4))
|
|
position = read_v3f(L, 4);
|
|
rotation = v3f(0, 0, 0);
|
|
if (!lua_isnil(L, 5))
|
|
rotation = read_v3f(L, 5);
|
|
co->setAttachment(parent->getId(), bone, position, rotation);
|
|
parent->addAttachmentChild(co->getId());
|
|
return 0;
|
|
}
|
|
|
|
// get_attach(self)
|
|
int ObjectRef::l_get_attach(lua_State *L)
|
|
{
|
|
GET_ENV_PTR;
|
|
|
|
ObjectRef *ref = checkobject(L, 1);
|
|
ServerActiveObject *co = getobject(ref);
|
|
if (co == NULL)
|
|
return 0;
|
|
|
|
// Do it
|
|
int parent_id = 0;
|
|
std::string bone = "";
|
|
v3f position = v3f(0, 0, 0);
|
|
v3f rotation = v3f(0, 0, 0);
|
|
co->getAttachment(&parent_id, &bone, &position, &rotation);
|
|
if (!parent_id)
|
|
return 0;
|
|
ServerActiveObject *parent = env->getActiveObject(parent_id);
|
|
|
|
getScriptApiBase(L)->objectrefGetOrCreate(L, parent);
|
|
lua_pushlstring(L, bone.c_str(), bone.size());
|
|
push_v3f(L, position);
|
|
push_v3f(L, rotation);
|
|
return 4;
|
|
}
|
|
|
|
// set_detach(self)
|
|
int ObjectRef::l_set_detach(lua_State *L)
|
|
{
|
|
GET_ENV_PTR;
|
|
|
|
ObjectRef *ref = checkobject(L, 1);
|
|
ServerActiveObject *co = getobject(ref);
|
|
if (co == NULL)
|
|
return 0;
|
|
|
|
int parent_id = 0;
|
|
std::string bone = "";
|
|
v3f position;
|
|
v3f rotation;
|
|
co->getAttachment(&parent_id, &bone, &position, &rotation);
|
|
ServerActiveObject *parent = NULL;
|
|
if (parent_id)
|
|
parent = env->getActiveObject(parent_id);
|
|
|
|
// Do it
|
|
co->setAttachment(0, "", v3f(0,0,0), v3f(0,0,0));
|
|
if (parent != NULL)
|
|
parent->removeAttachmentChild(co->getId());
|
|
return 0;
|
|
}
|
|
|
|
// set_properties(self, properties)
|
|
int ObjectRef::l_set_properties(lua_State *L)
|
|
{
|
|
NO_MAP_LOCK_REQUIRED;
|
|
ObjectRef *ref = checkobject(L, 1);
|
|
ServerActiveObject *co = getobject(ref);
|
|
if (co == NULL) return 0;
|
|
ObjectProperties *prop = co->accessObjectProperties();
|
|
if (!prop)
|
|
return 0;
|
|
read_object_properties(L, 2, prop);
|
|
co->notifyObjectPropertiesModified();
|
|
return 0;
|
|
}
|
|
|
|
// get_properties(self)
|
|
int ObjectRef::l_get_properties(lua_State *L)
|
|
{
|
|
NO_MAP_LOCK_REQUIRED;
|
|
ObjectRef *ref = checkobject(L, 1);
|
|
ServerActiveObject *co = getobject(ref);
|
|
if (co == NULL)
|
|
return 0;
|
|
ObjectProperties *prop = co->accessObjectProperties();
|
|
if (!prop)
|
|
return 0;
|
|
push_object_properties(L, prop);
|
|
return 1;
|
|
}
|
|
|
|
// is_player(self)
|
|
int ObjectRef::l_is_player(lua_State *L)
|
|
{
|
|
NO_MAP_LOCK_REQUIRED;
|
|
ObjectRef *ref = checkobject(L, 1);
|
|
RemotePlayer *player = getplayer(ref);
|
|
lua_pushboolean(L, (player != NULL));
|
|
return 1;
|
|
}
|
|
|
|
// set_nametag_attributes(self, attributes)
|
|
int ObjectRef::l_set_nametag_attributes(lua_State *L)
|
|
{
|
|
NO_MAP_LOCK_REQUIRED;
|
|
ObjectRef *ref = checkobject(L, 1);
|
|
ServerActiveObject *co = getobject(ref);
|
|
|
|
if (co == NULL)
|
|
return 0;
|
|
ObjectProperties *prop = co->accessObjectProperties();
|
|
if (!prop)
|
|
return 0;
|
|
|
|
lua_getfield(L, 2, "color");
|
|
if (!lua_isnil(L, -1)) {
|
|
video::SColor color = prop->nametag_color;
|
|
read_color(L, -1, &color);
|
|
prop->nametag_color = color;
|
|
}
|
|
lua_pop(L, 1);
|
|
|
|
std::string nametag = getstringfield_default(L, 2, "text", "");
|
|
prop->nametag = nametag;
|
|
|
|
co->notifyObjectPropertiesModified();
|
|
lua_pushboolean(L, true);
|
|
return 1;
|
|
}
|
|
|
|
// get_nametag_attributes(self)
|
|
int ObjectRef::l_get_nametag_attributes(lua_State *L)
|
|
{
|
|
NO_MAP_LOCK_REQUIRED;
|
|
ObjectRef *ref = checkobject(L, 1);
|
|
ServerActiveObject *co = getobject(ref);
|
|
|
|
if (co == NULL)
|
|
return 0;
|
|
ObjectProperties *prop = co->accessObjectProperties();
|
|
if (!prop)
|
|
return 0;
|
|
|
|
video::SColor color = prop->nametag_color;
|
|
|
|
lua_newtable(L);
|
|
push_ARGB8(L, color);
|
|
lua_setfield(L, -2, "color");
|
|
lua_pushstring(L, prop->nametag.c_str());
|
|
lua_setfield(L, -2, "text");
|
|
return 1;
|
|
}
|
|
|
|
/* LuaEntitySAO-only */
|
|
|
|
// set_velocity(self, {x=num, y=num, z=num})
|
|
int ObjectRef::l_set_velocity(lua_State *L)
|
|
{
|
|
NO_MAP_LOCK_REQUIRED;
|
|
ObjectRef *ref = checkobject(L, 1);
|
|
LuaEntitySAO *co = getluaobject(ref);
|
|
if (co == NULL) return 0;
|
|
v3f pos = checkFloatPos(L, 2);
|
|
// Do it
|
|
co->setVelocity(pos);
|
|
return 0;
|
|
}
|
|
|
|
// get_velocity(self)
|
|
int ObjectRef::l_get_velocity(lua_State *L)
|
|
{
|
|
NO_MAP_LOCK_REQUIRED;
|
|
ObjectRef *ref = checkobject(L, 1);
|
|
LuaEntitySAO *co = getluaobject(ref);
|
|
if (co == NULL) return 0;
|
|
// Do it
|
|
v3f v = co->getVelocity();
|
|
pushFloatPos(L, v);
|
|
return 1;
|
|
}
|
|
|
|
// set_acceleration(self, {x=num, y=num, z=num})
|
|
int ObjectRef::l_set_acceleration(lua_State *L)
|
|
{
|
|
NO_MAP_LOCK_REQUIRED;
|
|
ObjectRef *ref = checkobject(L, 1);
|
|
LuaEntitySAO *co = getluaobject(ref);
|
|
if (co == NULL) return 0;
|
|
// pos
|
|
v3f pos = checkFloatPos(L, 2);
|
|
// Do it
|
|
co->setAcceleration(pos);
|
|
return 0;
|
|
}
|
|
|
|
// get_acceleration(self)
|
|
int ObjectRef::l_get_acceleration(lua_State *L)
|
|
{
|
|
NO_MAP_LOCK_REQUIRED;
|
|
ObjectRef *ref = checkobject(L, 1);
|
|
LuaEntitySAO *co = getluaobject(ref);
|
|
if (co == NULL) return 0;
|
|
// Do it
|
|
v3f v = co->getAcceleration();
|
|
pushFloatPos(L, v);
|
|
return 1;
|
|
}
|
|
|
|
// set_yaw(self, radians)
|
|
int ObjectRef::l_set_yaw(lua_State *L)
|
|
{
|
|
NO_MAP_LOCK_REQUIRED;
|
|
ObjectRef *ref = checkobject(L, 1);
|
|
LuaEntitySAO *co = getluaobject(ref);
|
|
if (co == NULL) return 0;
|
|
float yaw = luaL_checknumber(L, 2) * core::RADTODEG;
|
|
// Do it
|
|
co->setYaw(yaw);
|
|
return 0;
|
|
}
|
|
|
|
// get_yaw(self)
|
|
int ObjectRef::l_get_yaw(lua_State *L)
|
|
{
|
|
NO_MAP_LOCK_REQUIRED;
|
|
ObjectRef *ref = checkobject(L, 1);
|
|
LuaEntitySAO *co = getluaobject(ref);
|
|
if (co == NULL) return 0;
|
|
// Do it
|
|
float yaw = co->getYaw() * core::DEGTORAD;
|
|
lua_pushnumber(L, yaw);
|
|
return 1;
|
|
}
|
|
|
|
// set_texture_mod(self, mod)
|
|
int ObjectRef::l_set_texture_mod(lua_State *L)
|
|
{
|
|
NO_MAP_LOCK_REQUIRED;
|
|
ObjectRef *ref = checkobject(L, 1);
|
|
LuaEntitySAO *co = getluaobject(ref);
|
|
if (co == NULL) return 0;
|
|
// Do it
|
|
std::string mod = luaL_checkstring(L, 2);
|
|
co->setTextureMod(mod);
|
|
return 0;
|
|
}
|
|
|
|
// get_texture_mod(self)
|
|
int ObjectRef::l_get_texture_mod(lua_State *L)
|
|
{
|
|
NO_MAP_LOCK_REQUIRED;
|
|
ObjectRef *ref = checkobject(L, 1);
|
|
LuaEntitySAO *co = getluaobject(ref);
|
|
if (co == NULL) return 0;
|
|
// Do it
|
|
std::string mod = co->getTextureMod();
|
|
lua_pushstring(L, mod.c_str());
|
|
return 1;
|
|
}
|
|
|
|
// set_sprite(self, p={x=0,y=0}, num_frames=1, framelength=0.2,
|
|
// select_horiz_by_yawpitch=false)
|
|
int ObjectRef::l_set_sprite(lua_State *L)
|
|
{
|
|
NO_MAP_LOCK_REQUIRED;
|
|
ObjectRef *ref = checkobject(L, 1);
|
|
LuaEntitySAO *co = getluaobject(ref);
|
|
if (co == NULL) return 0;
|
|
// Do it
|
|
v2s16 p(0,0);
|
|
if (!lua_isnil(L, 2))
|
|
p = read_v2s16(L, 2);
|
|
int num_frames = 1;
|
|
if (!lua_isnil(L, 3))
|
|
num_frames = lua_tonumber(L, 3);
|
|
float framelength = 0.2;
|
|
if (!lua_isnil(L, 4))
|
|
framelength = lua_tonumber(L, 4);
|
|
bool select_horiz_by_yawpitch = false;
|
|
if (!lua_isnil(L, 5))
|
|
select_horiz_by_yawpitch = lua_toboolean(L, 5);
|
|
co->setSprite(p, num_frames, framelength, select_horiz_by_yawpitch);
|
|
return 0;
|
|
}
|
|
|
|
// DEPRECATED
|
|
// get_entity_name(self)
|
|
int ObjectRef::l_get_entity_name(lua_State *L)
|
|
{
|
|
NO_MAP_LOCK_REQUIRED;
|
|
ObjectRef *ref = checkobject(L, 1);
|
|
LuaEntitySAO *co = getluaobject(ref);
|
|
log_deprecated(L,"Deprecated call to \"get_entity_name");
|
|
if (co == NULL) return 0;
|
|
// Do it
|
|
std::string name = co->getName();
|
|
lua_pushstring(L, name.c_str());
|
|
return 1;
|
|
}
|
|
|
|
// get_luaentity(self)
|
|
int ObjectRef::l_get_luaentity(lua_State *L)
|
|
{
|
|
NO_MAP_LOCK_REQUIRED;
|
|
ObjectRef *ref = checkobject(L, 1);
|
|
LuaEntitySAO *co = getluaobject(ref);
|
|
if (co == NULL) return 0;
|
|
// Do it
|
|
luaentity_get(L, co->getId());
|
|
return 1;
|
|
}
|
|
|
|
/* Player-only */
|
|
|
|
// is_player_connected(self)
|
|
int ObjectRef::l_is_player_connected(lua_State *L)
|
|
{
|
|
NO_MAP_LOCK_REQUIRED;
|
|
ObjectRef *ref = checkobject(L, 1);
|
|
RemotePlayer *player = getplayer(ref);
|
|
lua_pushboolean(L, (player != NULL && player->peer_id != 0));
|
|
return 1;
|
|
}
|
|
|
|
// get_player_name(self)
|
|
int ObjectRef::l_get_player_name(lua_State *L)
|
|
{
|
|
NO_MAP_LOCK_REQUIRED;
|
|
ObjectRef *ref = checkobject(L, 1);
|
|
RemotePlayer *player = getplayer(ref);
|
|
if (player == NULL) {
|
|
lua_pushlstring(L, "", 0);
|
|
return 1;
|
|
}
|
|
// Do it
|
|
lua_pushstring(L, player->getName());
|
|
return 1;
|
|
}
|
|
|
|
// get_player_velocity(self)
|
|
int ObjectRef::l_get_player_velocity(lua_State *L)
|
|
{
|
|
NO_MAP_LOCK_REQUIRED;
|
|
ObjectRef *ref = checkobject(L, 1);
|
|
RemotePlayer *player = getplayer(ref);
|
|
if (player == NULL) {
|
|
lua_pushnil(L);
|
|
return 1;
|
|
}
|
|
// Do it
|
|
push_v3f(L, player->getSpeed() / BS);
|
|
return 1;
|
|
}
|
|
|
|
// get_look_dir(self)
|
|
int ObjectRef::l_get_look_dir(lua_State *L)
|
|
{
|
|
NO_MAP_LOCK_REQUIRED;
|
|
ObjectRef *ref = checkobject(L, 1);
|
|
PlayerSAO* co = getplayersao(ref);
|
|
if (co == NULL) return 0;
|
|
// Do it
|
|
float pitch = co->getRadPitchDep();
|
|
float yaw = co->getRadYawDep();
|
|
v3f v(cos(pitch)*cos(yaw), sin(pitch), cos(pitch)*sin(yaw));
|
|
push_v3f(L, v);
|
|
return 1;
|
|
}
|
|
|
|
// DEPRECATED
|
|
// get_look_pitch(self)
|
|
int ObjectRef::l_get_look_pitch(lua_State *L)
|
|
{
|
|
NO_MAP_LOCK_REQUIRED;
|
|
|
|
log_deprecated(L,
|
|
"Deprecated call to get_look_pitch, use get_look_vertical instead");
|
|
|
|
ObjectRef *ref = checkobject(L, 1);
|
|
PlayerSAO* co = getplayersao(ref);
|
|
if (co == NULL) return 0;
|
|
// Do it
|
|
lua_pushnumber(L, co->getRadPitchDep());
|
|
return 1;
|
|
}
|
|
|
|
// DEPRECATED
|
|
// get_look_yaw(self)
|
|
int ObjectRef::l_get_look_yaw(lua_State *L)
|
|
{
|
|
NO_MAP_LOCK_REQUIRED;
|
|
|
|
log_deprecated(L,
|
|
"Deprecated call to get_look_yaw, use get_look_horizontal instead");
|
|
|
|
ObjectRef *ref = checkobject(L, 1);
|
|
PlayerSAO* co = getplayersao(ref);
|
|
if (co == NULL) return 0;
|
|
// Do it
|
|
lua_pushnumber(L, co->getRadYawDep());
|
|
return 1;
|
|
}
|
|
|
|
// get_look_pitch2(self)
|
|
int ObjectRef::l_get_look_vertical(lua_State *L)
|
|
{
|
|
NO_MAP_LOCK_REQUIRED;
|
|
ObjectRef *ref = checkobject(L, 1);
|
|
PlayerSAO* co = getplayersao(ref);
|
|
if (co == NULL) return 0;
|
|
// Do it
|
|
lua_pushnumber(L, co->getRadPitch());
|
|
return 1;
|
|
}
|
|
|
|
// get_look_yaw2(self)
|
|
int ObjectRef::l_get_look_horizontal(lua_State *L)
|
|
{
|
|
NO_MAP_LOCK_REQUIRED;
|
|
ObjectRef *ref = checkobject(L, 1);
|
|
PlayerSAO* co = getplayersao(ref);
|
|
if (co == NULL) return 0;
|
|
// Do it
|
|
lua_pushnumber(L, co->getRadYaw());
|
|
return 1;
|
|
}
|
|
|
|
// set_look_vertical(self, radians)
|
|
int ObjectRef::l_set_look_vertical(lua_State *L)
|
|
{
|
|
NO_MAP_LOCK_REQUIRED;
|
|
ObjectRef *ref = checkobject(L, 1);
|
|
PlayerSAO* co = getplayersao(ref);
|
|
if (co == NULL) return 0;
|
|
float pitch = luaL_checknumber(L, 2) * core::RADTODEG;
|
|
// Do it
|
|
co->setPitchAndSend(pitch);
|
|
return 1;
|
|
}
|
|
|
|
// set_look_horizontal(self, radians)
|
|
int ObjectRef::l_set_look_horizontal(lua_State *L)
|
|
{
|
|
NO_MAP_LOCK_REQUIRED;
|
|
ObjectRef *ref = checkobject(L, 1);
|
|
PlayerSAO* co = getplayersao(ref);
|
|
if (co == NULL) return 0;
|
|
float yaw = luaL_checknumber(L, 2) * core::RADTODEG;
|
|
// Do it
|
|
co->setYawAndSend(yaw);
|
|
return 1;
|
|
}
|
|
|
|
// DEPRECATED
|
|
// set_look_pitch(self, radians)
|
|
int ObjectRef::l_set_look_pitch(lua_State *L)
|
|
{
|
|
NO_MAP_LOCK_REQUIRED;
|
|
|
|
log_deprecated(L,
|
|
"Deprecated call to set_look_pitch, use set_look_vertical instead.");
|
|
|
|
ObjectRef *ref = checkobject(L, 1);
|
|
PlayerSAO* co = getplayersao(ref);
|
|
if (co == NULL) return 0;
|
|
float pitch = luaL_checknumber(L, 2) * core::RADTODEG;
|
|
// Do it
|
|
co->setPitchAndSend(pitch);
|
|
return 1;
|
|
}
|
|
|
|
// DEPRECATED
|
|
// set_look_yaw(self, radians)
|
|
int ObjectRef::l_set_look_yaw(lua_State *L)
|
|
{
|
|
NO_MAP_LOCK_REQUIRED;
|
|
|
|
log_deprecated(L,
|
|
"Deprecated call to set_look_yaw, use set_look_horizontal instead.");
|
|
|
|
ObjectRef *ref = checkobject(L, 1);
|
|
PlayerSAO* co = getplayersao(ref);
|
|
if (co == NULL) return 0;
|
|
float yaw = luaL_checknumber(L, 2) * core::RADTODEG;
|
|
// Do it
|
|
co->setYawAndSend(yaw);
|
|
return 1;
|
|
}
|
|
|
|
// set_breath(self, breath)
|
|
int ObjectRef::l_set_breath(lua_State *L)
|
|
{
|
|
NO_MAP_LOCK_REQUIRED;
|
|
ObjectRef *ref = checkobject(L, 1);
|
|
PlayerSAO* co = getplayersao(ref);
|
|
if (co == NULL) return 0;
|
|
u16 breath = luaL_checknumber(L, 2);
|
|
co->setBreath(breath);
|
|
|
|
return 0;
|
|
}
|
|
|
|
// get_breath(self)
|
|
int ObjectRef::l_get_breath(lua_State *L)
|
|
{
|
|
NO_MAP_LOCK_REQUIRED;
|
|
ObjectRef *ref = checkobject(L, 1);
|
|
PlayerSAO* co = getplayersao(ref);
|
|
if (co == NULL) return 0;
|
|
// Do it
|
|
u16 breath = co->getBreath();
|
|
lua_pushinteger (L, breath);
|
|
return 1;
|
|
}
|
|
|
|
// set_attribute(self, attribute, value)
|
|
int ObjectRef::l_set_attribute(lua_State *L)
|
|
{
|
|
ObjectRef *ref = checkobject(L, 1);
|
|
PlayerSAO* co = getplayersao(ref);
|
|
if (co == NULL) {
|
|
return 0;
|
|
}
|
|
|
|
std::string attr = luaL_checkstring(L, 2);
|
|
std::string value = luaL_checkstring(L, 3);
|
|
|
|
if (co->getType() == ACTIVEOBJECT_TYPE_PLAYER) {
|
|
co->setExtendedAttribute(attr, value);
|
|
}
|
|
return 1;
|
|
}
|
|
|
|
// get_attribute(self, attribute)
|
|
int ObjectRef::l_get_attribute(lua_State *L)
|
|
{
|
|
ObjectRef *ref = checkobject(L, 1);
|
|
PlayerSAO* co = getplayersao(ref);
|
|
if (co == NULL) {
|
|
return 0;
|
|
}
|
|
|
|
std::string attr = luaL_checkstring(L, 2);
|
|
|
|
std::string value = "";
|
|
if (co->getExtendedAttribute(attr, &value)) {
|
|
lua_pushstring(L, value.c_str());
|
|
return 1;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
|
|
// set_inventory_formspec(self, formspec)
|
|
int ObjectRef::l_set_inventory_formspec(lua_State *L)
|
|
{
|
|
NO_MAP_LOCK_REQUIRED;
|
|
ObjectRef *ref = checkobject(L, 1);
|
|
RemotePlayer *player = getplayer(ref);
|
|
if (player == NULL) return 0;
|
|
std::string formspec = luaL_checkstring(L, 2);
|
|
|
|
player->inventory_formspec = formspec;
|
|
getServer(L)->reportInventoryFormspecModified(player->getName());
|
|
lua_pushboolean(L, true);
|
|
return 1;
|
|
}
|
|
|
|
// get_inventory_formspec(self) -> formspec
|
|
int ObjectRef::l_get_inventory_formspec(lua_State *L)
|
|
{
|
|
NO_MAP_LOCK_REQUIRED;
|
|
ObjectRef *ref = checkobject(L, 1);
|
|
RemotePlayer *player = getplayer(ref);
|
|
if (player == NULL) return 0;
|
|
|
|
std::string formspec = player->inventory_formspec;
|
|
lua_pushlstring(L, formspec.c_str(), formspec.size());
|
|
return 1;
|
|
}
|
|
|
|
// get_player_control(self)
|
|
int ObjectRef::l_get_player_control(lua_State *L)
|
|
{
|
|
NO_MAP_LOCK_REQUIRED;
|
|
ObjectRef *ref = checkobject(L, 1);
|
|
RemotePlayer *player = getplayer(ref);
|
|
if (player == NULL) {
|
|
lua_pushlstring(L, "", 0);
|
|
return 1;
|
|
}
|
|
|
|
const PlayerControl &control = player->getPlayerControl();
|
|
lua_newtable(L);
|
|
lua_pushboolean(L, control.up);
|
|
lua_setfield(L, -2, "up");
|
|
lua_pushboolean(L, control.down);
|
|
lua_setfield(L, -2, "down");
|
|
lua_pushboolean(L, control.left);
|
|
lua_setfield(L, -2, "left");
|
|
lua_pushboolean(L, control.right);
|
|
lua_setfield(L, -2, "right");
|
|
lua_pushboolean(L, control.jump);
|
|
lua_setfield(L, -2, "jump");
|
|
lua_pushboolean(L, control.aux1);
|
|
lua_setfield(L, -2, "aux1");
|
|
lua_pushboolean(L, control.sneak);
|
|
lua_setfield(L, -2, "sneak");
|
|
lua_pushboolean(L, control.LMB);
|
|
lua_setfield(L, -2, "LMB");
|
|
lua_pushboolean(L, control.RMB);
|
|
lua_setfield(L, -2, "RMB");
|
|
return 1;
|
|
}
|
|
|
|
// get_player_control_bits(self)
|
|
int ObjectRef::l_get_player_control_bits(lua_State *L)
|
|
{
|
|
NO_MAP_LOCK_REQUIRED;
|
|
ObjectRef *ref = checkobject(L, 1);
|
|
RemotePlayer *player = getplayer(ref);
|
|
if (player == NULL) {
|
|
lua_pushlstring(L, "", 0);
|
|
return 1;
|
|
}
|
|
// Do it
|
|
lua_pushnumber(L, player->keyPressed);
|
|
return 1;
|
|
}
|
|
|
|
// hud_add(self, form)
|
|
int ObjectRef::l_hud_add(lua_State *L)
|
|
{
|
|
NO_MAP_LOCK_REQUIRED;
|
|
ObjectRef *ref = checkobject(L, 1);
|
|
RemotePlayer *player = getplayer(ref);
|
|
if (player == NULL)
|
|
return 0;
|
|
|
|
HudElement *elem = new HudElement;
|
|
|
|
elem->type = (HudElementType)getenumfield(L, 2, "hud_elem_type",
|
|
es_HudElementType, HUD_ELEM_TEXT);
|
|
|
|
lua_getfield(L, 2, "position");
|
|
elem->pos = lua_istable(L, -1) ? read_v2f(L, -1) : v2f();
|
|
lua_pop(L, 1);
|
|
|
|
lua_getfield(L, 2, "scale");
|
|
elem->scale = lua_istable(L, -1) ? read_v2f(L, -1) : v2f();
|
|
lua_pop(L, 1);
|
|
|
|
lua_getfield(L, 2, "size");
|
|
elem->size = lua_istable(L, -1) ? read_v2s32(L, -1) : v2s32();
|
|
lua_pop(L, 1);
|
|
|
|
elem->name = getstringfield_default(L, 2, "name", "");
|
|
elem->text = getstringfield_default(L, 2, "text", "");
|
|
elem->number = getintfield_default(L, 2, "number", 0);
|
|
elem->item = getintfield_default(L, 2, "item", 0);
|
|
elem->dir = getintfield_default(L, 2, "direction", 0);
|
|
|
|
// Deprecated, only for compatibility's sake
|
|
if (elem->dir == 0)
|
|
elem->dir = getintfield_default(L, 2, "dir", 0);
|
|
|
|
lua_getfield(L, 2, "alignment");
|
|
elem->align = lua_istable(L, -1) ? read_v2f(L, -1) : v2f();
|
|
lua_pop(L, 1);
|
|
|
|
lua_getfield(L, 2, "offset");
|
|
elem->offset = lua_istable(L, -1) ? read_v2f(L, -1) : v2f();
|
|
lua_pop(L, 1);
|
|
|
|
lua_getfield(L, 2, "world_pos");
|
|
elem->world_pos = lua_istable(L, -1) ? read_v3f(L, -1) : v3f();
|
|
lua_pop(L, 1);
|
|
|
|
/* check for known deprecated element usage */
|
|
if ((elem->type == HUD_ELEM_STATBAR) && (elem->size == v2s32())) {
|
|
log_deprecated(L,"Deprecated usage of statbar without size!");
|
|
}
|
|
|
|
u32 id = getServer(L)->hudAdd(player, elem);
|
|
if (id == U32_MAX) {
|
|
delete elem;
|
|
return 0;
|
|
}
|
|
|
|
lua_pushnumber(L, id);
|
|
return 1;
|
|
}
|
|
|
|
// hud_remove(self, id)
|
|
int ObjectRef::l_hud_remove(lua_State *L)
|
|
{
|
|
NO_MAP_LOCK_REQUIRED;
|
|
ObjectRef *ref = checkobject(L, 1);
|
|
RemotePlayer *player = getplayer(ref);
|
|
if (player == NULL)
|
|
return 0;
|
|
|
|
u32 id = -1;
|
|
if (!lua_isnil(L, 2))
|
|
id = lua_tonumber(L, 2);
|
|
|
|
if (!getServer(L)->hudRemove(player, id))
|
|
return 0;
|
|
|
|
lua_pushboolean(L, true);
|
|
return 1;
|
|
}
|
|
|
|
// hud_change(self, id, stat, data)
|
|
int ObjectRef::l_hud_change(lua_State *L)
|
|
{
|
|
NO_MAP_LOCK_REQUIRED;
|
|
ObjectRef *ref = checkobject(L, 1);
|
|
RemotePlayer *player = getplayer(ref);
|
|
if (player == NULL)
|
|
return 0;
|
|
|
|
u32 id = lua_isnumber(L, 2) ? lua_tonumber(L, 2) : -1;
|
|
|
|
HudElement *e = player->getHud(id);
|
|
if (!e)
|
|
return 0;
|
|
|
|
HudElementStat stat = HUD_STAT_NUMBER;
|
|
if (lua_isstring(L, 3)) {
|
|
int statint;
|
|
std::string statstr = lua_tostring(L, 3);
|
|
stat = string_to_enum(es_HudElementStat, statint, statstr) ?
|
|
(HudElementStat)statint : HUD_STAT_NUMBER;
|
|
}
|
|
|
|
void *value = NULL;
|
|
switch (stat) {
|
|
case HUD_STAT_POS:
|
|
e->pos = read_v2f(L, 4);
|
|
value = &e->pos;
|
|
break;
|
|
case HUD_STAT_NAME:
|
|
e->name = luaL_checkstring(L, 4);
|
|
value = &e->name;
|
|
break;
|
|
case HUD_STAT_SCALE:
|
|
e->scale = read_v2f(L, 4);
|
|
value = &e->scale;
|
|
break;
|
|
case HUD_STAT_TEXT:
|
|
e->text = luaL_checkstring(L, 4);
|
|
value = &e->text;
|
|
break;
|
|
case HUD_STAT_NUMBER:
|
|
e->number = luaL_checknumber(L, 4);
|
|
value = &e->number;
|
|
break;
|
|
case HUD_STAT_ITEM:
|
|
e->item = luaL_checknumber(L, 4);
|
|
value = &e->item;
|
|
break;
|
|
case HUD_STAT_DIR:
|
|
e->dir = luaL_checknumber(L, 4);
|
|
value = &e->dir;
|
|
break;
|
|
case HUD_STAT_ALIGN:
|
|
e->align = read_v2f(L, 4);
|
|
value = &e->align;
|
|
break;
|
|
case HUD_STAT_OFFSET:
|
|
e->offset = read_v2f(L, 4);
|
|
value = &e->offset;
|
|
break;
|
|
case HUD_STAT_WORLD_POS:
|
|
e->world_pos = read_v3f(L, 4);
|
|
value = &e->world_pos;
|
|
break;
|
|
case HUD_STAT_SIZE:
|
|
e->size = read_v2s32(L, 4);
|
|
value = &e->size;
|
|
break;
|
|
}
|
|
|
|
getServer(L)->hudChange(player, id, stat, value);
|
|
|
|
lua_pushboolean(L, true);
|
|
return 1;
|
|
}
|
|
|
|
// hud_get(self, id)
|
|
int ObjectRef::l_hud_get(lua_State *L)
|
|
{
|
|
NO_MAP_LOCK_REQUIRED;
|
|
ObjectRef *ref = checkobject(L, 1);
|
|
RemotePlayer *player = getplayer(ref);
|
|
if (player == NULL)
|
|
return 0;
|
|
|
|
u32 id = lua_tonumber(L, -1);
|
|
|
|
HudElement *e = player->getHud(id);
|
|
if (!e)
|
|
return 0;
|
|
|
|
lua_newtable(L);
|
|
|
|
lua_pushstring(L, es_HudElementType[(u8)e->type].str);
|
|
lua_setfield(L, -2, "type");
|
|
|
|
push_v2f(L, e->pos);
|
|
lua_setfield(L, -2, "position");
|
|
|
|
lua_pushstring(L, e->name.c_str());
|
|
lua_setfield(L, -2, "name");
|
|
|
|
push_v2f(L, e->scale);
|
|
lua_setfield(L, -2, "scale");
|
|
|
|
lua_pushstring(L, e->text.c_str());
|
|
lua_setfield(L, -2, "text");
|
|
|
|
lua_pushnumber(L, e->number);
|
|
lua_setfield(L, -2, "number");
|
|
|
|
lua_pushnumber(L, e->item);
|
|
lua_setfield(L, -2, "item");
|
|
|
|
lua_pushnumber(L, e->dir);
|
|
lua_setfield(L, -2, "direction");
|
|
|
|
// Deprecated, only for compatibility's sake
|
|
lua_pushnumber(L, e->dir);
|
|
lua_setfield(L, -2, "dir");
|
|
|
|
push_v3f(L, e->world_pos);
|
|
lua_setfield(L, -2, "world_pos");
|
|
|
|
return 1;
|
|
}
|
|
|
|
// hud_set_flags(self, flags)
|
|
int ObjectRef::l_hud_set_flags(lua_State *L)
|
|
{
|
|
NO_MAP_LOCK_REQUIRED;
|
|
ObjectRef *ref = checkobject(L, 1);
|
|
RemotePlayer *player = getplayer(ref);
|
|
if (player == NULL)
|
|
return 0;
|
|
|
|
u32 flags = 0;
|
|
u32 mask = 0;
|
|
bool flag;
|
|
|
|
const EnumString *esp = es_HudBuiltinElement;
|
|
for (int i = 0; esp[i].str; i++) {
|
|
if (getboolfield(L, 2, esp[i].str, flag)) {
|
|
flags |= esp[i].num * flag;
|
|
mask |= esp[i].num;
|
|
}
|
|
}
|
|
if (!getServer(L)->hudSetFlags(player, flags, mask))
|
|
return 0;
|
|
|
|
lua_pushboolean(L, true);
|
|
return 1;
|
|
}
|
|
|
|
int ObjectRef::l_hud_get_flags(lua_State *L)
|
|
{
|
|
NO_MAP_LOCK_REQUIRED;
|
|
ObjectRef *ref = checkobject(L, 1);
|
|
RemotePlayer *player = getplayer(ref);
|
|
if (player == NULL)
|
|
return 0;
|
|
|
|
lua_newtable(L);
|
|
lua_pushboolean(L, player->hud_flags & HUD_FLAG_HOTBAR_VISIBLE);
|
|
lua_setfield(L, -2, "hotbar");
|
|
lua_pushboolean(L, player->hud_flags & HUD_FLAG_HEALTHBAR_VISIBLE);
|
|
lua_setfield(L, -2, "healthbar");
|
|
lua_pushboolean(L, player->hud_flags & HUD_FLAG_CROSSHAIR_VISIBLE);
|
|
lua_setfield(L, -2, "crosshair");
|
|
lua_pushboolean(L, player->hud_flags & HUD_FLAG_WIELDITEM_VISIBLE);
|
|
lua_setfield(L, -2, "wielditem");
|
|
lua_pushboolean(L, player->hud_flags & HUD_FLAG_BREATHBAR_VISIBLE);
|
|
lua_setfield(L, -2, "breathbar");
|
|
lua_pushboolean(L, player->hud_flags & HUD_FLAG_MINIMAP_VISIBLE);
|
|
lua_setfield(L, -2, "minimap");
|
|
|
|
return 1;
|
|
}
|
|
|
|
// hud_set_hotbar_itemcount(self, hotbar_itemcount)
|
|
int ObjectRef::l_hud_set_hotbar_itemcount(lua_State *L)
|
|
{
|
|
NO_MAP_LOCK_REQUIRED;
|
|
ObjectRef *ref = checkobject(L, 1);
|
|
RemotePlayer *player = getplayer(ref);
|
|
if (player == NULL)
|
|
return 0;
|
|
|
|
s32 hotbar_itemcount = lua_tonumber(L, 2);
|
|
|
|
if (!getServer(L)->hudSetHotbarItemcount(player, hotbar_itemcount))
|
|
return 0;
|
|
|
|
lua_pushboolean(L, true);
|
|
return 1;
|
|
}
|
|
|
|
// hud_get_hotbar_itemcount(self)
|
|
int ObjectRef::l_hud_get_hotbar_itemcount(lua_State *L)
|
|
{
|
|
NO_MAP_LOCK_REQUIRED;
|
|
ObjectRef *ref = checkobject(L, 1);
|
|
RemotePlayer *player = getplayer(ref);
|
|
if (player == NULL)
|
|
return 0;
|
|
|
|
s32 hotbar_itemcount = getServer(L)->hudGetHotbarItemcount(player);
|
|
|
|
lua_pushnumber(L, hotbar_itemcount);
|
|
return 1;
|
|
}
|
|
|
|
// hud_set_hotbar_image(self, name)
|
|
int ObjectRef::l_hud_set_hotbar_image(lua_State *L)
|
|
{
|
|
NO_MAP_LOCK_REQUIRED;
|
|
ObjectRef *ref = checkobject(L, 1);
|
|
RemotePlayer *player = getplayer(ref);
|
|
if (player == NULL)
|
|
return 0;
|
|
|
|
std::string name = lua_tostring(L, 2);
|
|
|
|
getServer(L)->hudSetHotbarImage(player, name);
|
|
return 1;
|
|
}
|
|
|
|
// hud_get_hotbar_image(self)
|
|
int ObjectRef::l_hud_get_hotbar_image(lua_State *L)
|
|
{
|
|
NO_MAP_LOCK_REQUIRED;
|
|
ObjectRef *ref = checkobject(L, 1);
|
|
RemotePlayer *player = getplayer(ref);
|
|
if (player == NULL)
|
|
return 0;
|
|
|
|
std::string name = getServer(L)->hudGetHotbarImage(player);
|
|
lua_pushlstring(L, name.c_str(), name.size());
|
|
return 1;
|
|
}
|
|
|
|
// hud_set_hotbar_selected_image(self, name)
|
|
int ObjectRef::l_hud_set_hotbar_selected_image(lua_State *L)
|
|
{
|
|
NO_MAP_LOCK_REQUIRED;
|
|
ObjectRef *ref = checkobject(L, 1);
|
|
RemotePlayer *player = getplayer(ref);
|
|
if (player == NULL)
|
|
return 0;
|
|
|
|
std::string name = lua_tostring(L, 2);
|
|
|
|
getServer(L)->hudSetHotbarSelectedImage(player, name);
|
|
return 1;
|
|
}
|
|
|
|
// hud_get_hotbar_selected_image(self)
|
|
int ObjectRef::l_hud_get_hotbar_selected_image(lua_State *L)
|
|
{
|
|
NO_MAP_LOCK_REQUIRED;
|
|
ObjectRef *ref = checkobject(L, 1);
|
|
RemotePlayer *player = getplayer(ref);
|
|
if (player == NULL)
|
|
return 0;
|
|
|
|
const std::string &name = getServer(L)->hudGetHotbarSelectedImage(player);
|
|
lua_pushlstring(L, name.c_str(), name.size());
|
|
return 1;
|
|
}
|
|
|
|
// set_sky(self, bgcolor, type, list)
|
|
int ObjectRef::l_set_sky(lua_State *L)
|
|
{
|
|
NO_MAP_LOCK_REQUIRED;
|
|
ObjectRef *ref = checkobject(L, 1);
|
|
RemotePlayer *player = getplayer(ref);
|
|
if (player == NULL)
|
|
return 0;
|
|
|
|
video::SColor bgcolor(255,255,255,255);
|
|
read_color(L, 2, &bgcolor);
|
|
|
|
std::string type = luaL_checkstring(L, 3);
|
|
|
|
std::vector<std::string> params;
|
|
if (lua_istable(L, 4)) {
|
|
int table = lua_gettop(L);
|
|
lua_pushnil(L);
|
|
while (lua_next(L, table) != 0) {
|
|
// key at index -2 and value at index -1
|
|
if (lua_isstring(L, -1))
|
|
params.push_back(lua_tostring(L, -1));
|
|
else
|
|
params.push_back("");
|
|
// removes value, keeps key for next iteration
|
|
lua_pop(L, 1);
|
|
}
|
|
}
|
|
|
|
if (type == "skybox" && params.size() != 6)
|
|
throw LuaError("skybox expects 6 textures");
|
|
|
|
if (!getServer(L)->setSky(player, bgcolor, type, params))
|
|
return 0;
|
|
|
|
lua_pushboolean(L, true);
|
|
return 1;
|
|
}
|
|
|
|
// get_sky(self)
|
|
int ObjectRef::l_get_sky(lua_State *L)
|
|
{
|
|
NO_MAP_LOCK_REQUIRED;
|
|
ObjectRef *ref = checkobject(L, 1);
|
|
RemotePlayer *player = getplayer(ref);
|
|
if (player == NULL)
|
|
return 0;
|
|
video::SColor bgcolor(255, 255, 255, 255);
|
|
std::string type;
|
|
std::vector<std::string> params;
|
|
|
|
player->getSky(&bgcolor, &type, ¶ms);
|
|
type = type == "" ? "regular" : type;
|
|
|
|
push_ARGB8(L, bgcolor);
|
|
lua_pushlstring(L, type.c_str(), type.size());
|
|
lua_newtable(L);
|
|
s16 i = 1;
|
|
for (std::vector<std::string>::iterator it = params.begin();
|
|
it != params.end(); ++it) {
|
|
lua_pushlstring(L, it->c_str(), it->size());
|
|
lua_rawseti(L, -2, i);
|
|
i++;
|
|
}
|
|
return 3;
|
|
}
|
|
|
|
// override_day_night_ratio(self, brightness=0...1)
|
|
int ObjectRef::l_override_day_night_ratio(lua_State *L)
|
|
{
|
|
NO_MAP_LOCK_REQUIRED;
|
|
ObjectRef *ref = checkobject(L, 1);
|
|
RemotePlayer *player = getplayer(ref);
|
|
if (player == NULL)
|
|
return 0;
|
|
|
|
bool do_override = false;
|
|
float ratio = 0.0f;
|
|
if (!lua_isnil(L, 2)) {
|
|
do_override = true;
|
|
ratio = luaL_checknumber(L, 2);
|
|
}
|
|
|
|
if (!getServer(L)->overrideDayNightRatio(player, do_override, ratio))
|
|
return 0;
|
|
|
|
lua_pushboolean(L, true);
|
|
return 1;
|
|
}
|
|
|
|
// get_day_night_ratio(self)
|
|
int ObjectRef::l_get_day_night_ratio(lua_State *L)
|
|
{
|
|
NO_MAP_LOCK_REQUIRED;
|
|
ObjectRef *ref = checkobject(L, 1);
|
|
RemotePlayer *player = getplayer(ref);
|
|
if (player == NULL)
|
|
return 0;
|
|
|
|
bool do_override;
|
|
float ratio;
|
|
player->getDayNightRatio(&do_override, &ratio);
|
|
|
|
if (do_override)
|
|
lua_pushnumber(L, ratio);
|
|
else
|
|
lua_pushnil(L);
|
|
|
|
return 1;
|
|
}
|
|
|
|
ObjectRef::ObjectRef(ServerActiveObject *object):
|
|
m_object(object)
|
|
{
|
|
//infostream<<"ObjectRef created for id="<<m_object->getId()<<std::endl;
|
|
}
|
|
|
|
ObjectRef::~ObjectRef()
|
|
{
|
|
/*if (m_object)
|
|
infostream<<"ObjectRef destructing for id="
|
|
<<m_object->getId()<<std::endl;
|
|
else
|
|
infostream<<"ObjectRef destructing for id=unknown"<<std::endl;*/
|
|
}
|
|
|
|
// Creates an ObjectRef and leaves it on top of stack
|
|
// Not callable from Lua; all references are created on the C side.
|
|
void ObjectRef::create(lua_State *L, ServerActiveObject *object)
|
|
{
|
|
ObjectRef *o = new ObjectRef(object);
|
|
//infostream<<"ObjectRef::create: o="<<o<<std::endl;
|
|
*(void **)(lua_newuserdata(L, sizeof(void *))) = o;
|
|
luaL_getmetatable(L, className);
|
|
lua_setmetatable(L, -2);
|
|
}
|
|
|
|
void ObjectRef::set_null(lua_State *L)
|
|
{
|
|
ObjectRef *o = checkobject(L, -1);
|
|
o->m_object = NULL;
|
|
}
|
|
|
|
void ObjectRef::Register(lua_State *L)
|
|
{
|
|
lua_newtable(L);
|
|
int methodtable = lua_gettop(L);
|
|
luaL_newmetatable(L, className);
|
|
int metatable = lua_gettop(L);
|
|
|
|
lua_pushliteral(L, "__metatable");
|
|
lua_pushvalue(L, methodtable);
|
|
lua_settable(L, metatable); // hide metatable from Lua getmetatable()
|
|
|
|
lua_pushliteral(L, "__index");
|
|
lua_pushvalue(L, methodtable);
|
|
lua_settable(L, metatable);
|
|
|
|
lua_pushliteral(L, "__gc");
|
|
lua_pushcfunction(L, gc_object);
|
|
lua_settable(L, metatable);
|
|
|
|
lua_pop(L, 1); // drop metatable
|
|
|
|
luaL_openlib(L, 0, methods, 0); // fill methodtable
|
|
lua_pop(L, 1); // drop methodtable
|
|
|
|
// Cannot be created from Lua
|
|
//lua_register(L, className, create_object);
|
|
}
|
|
|
|
const char ObjectRef::className[] = "ObjectRef";
|
|
const luaL_reg ObjectRef::methods[] = {
|
|
// ServerActiveObject
|
|
luamethod(ObjectRef, remove),
|
|
luamethod_aliased(ObjectRef, get_pos, getpos),
|
|
luamethod_aliased(ObjectRef, set_pos, setpos),
|
|
luamethod_aliased(ObjectRef, move_to, moveto),
|
|
luamethod(ObjectRef, punch),
|
|
luamethod(ObjectRef, right_click),
|
|
luamethod(ObjectRef, set_hp),
|
|
luamethod(ObjectRef, get_hp),
|
|
luamethod(ObjectRef, get_inventory),
|
|
luamethod(ObjectRef, get_wield_list),
|
|
luamethod(ObjectRef, get_wield_index),
|
|
luamethod(ObjectRef, get_wielded_item),
|
|
luamethod(ObjectRef, set_wielded_item),
|
|
luamethod(ObjectRef, set_armor_groups),
|
|
luamethod(ObjectRef, get_armor_groups),
|
|
luamethod(ObjectRef, set_animation),
|
|
luamethod(ObjectRef, get_animation),
|
|
luamethod(ObjectRef, set_bone_position),
|
|
luamethod(ObjectRef, get_bone_position),
|
|
luamethod(ObjectRef, set_attach),
|
|
luamethod(ObjectRef, get_attach),
|
|
luamethod(ObjectRef, set_detach),
|
|
luamethod(ObjectRef, set_properties),
|
|
luamethod(ObjectRef, get_properties),
|
|
luamethod(ObjectRef, set_nametag_attributes),
|
|
luamethod(ObjectRef, get_nametag_attributes),
|
|
// LuaEntitySAO-only
|
|
luamethod_aliased(ObjectRef, set_velocity, setvelocity),
|
|
luamethod_aliased(ObjectRef, get_velocity, getvelocity),
|
|
luamethod_aliased(ObjectRef, set_acceleration, setacceleration),
|
|
luamethod_aliased(ObjectRef, get_acceleration, getacceleration),
|
|
luamethod_aliased(ObjectRef, set_yaw, setyaw),
|
|
luamethod_aliased(ObjectRef, get_yaw, getyaw),
|
|
luamethod_aliased(ObjectRef, set_texture_mod, settexturemod),
|
|
luamethod_aliased(ObjectRef, set_sprite, setsprite),
|
|
luamethod(ObjectRef, get_entity_name),
|
|
luamethod(ObjectRef, get_luaentity),
|
|
// Player-only
|
|
luamethod(ObjectRef, is_player),
|
|
luamethod(ObjectRef, is_player_connected),
|
|
luamethod(ObjectRef, get_player_name),
|
|
luamethod(ObjectRef, get_player_velocity),
|
|
luamethod(ObjectRef, get_look_dir),
|
|
luamethod(ObjectRef, get_look_pitch),
|
|
luamethod(ObjectRef, get_look_yaw),
|
|
luamethod(ObjectRef, get_look_vertical),
|
|
luamethod(ObjectRef, get_look_horizontal),
|
|
luamethod(ObjectRef, set_look_horizontal),
|
|
luamethod(ObjectRef, set_look_vertical),
|
|
luamethod(ObjectRef, set_look_yaw),
|
|
luamethod(ObjectRef, set_look_pitch),
|
|
luamethod(ObjectRef, get_breath),
|
|
luamethod(ObjectRef, set_breath),
|
|
luamethod(ObjectRef, get_attribute),
|
|
luamethod(ObjectRef, set_attribute),
|
|
luamethod(ObjectRef, set_inventory_formspec),
|
|
luamethod(ObjectRef, get_inventory_formspec),
|
|
luamethod(ObjectRef, get_player_control),
|
|
luamethod(ObjectRef, get_player_control_bits),
|
|
luamethod(ObjectRef, set_physics_override),
|
|
luamethod(ObjectRef, get_physics_override),
|
|
luamethod(ObjectRef, hud_add),
|
|
luamethod(ObjectRef, hud_remove),
|
|
luamethod(ObjectRef, hud_change),
|
|
luamethod(ObjectRef, hud_get),
|
|
luamethod(ObjectRef, hud_set_flags),
|
|
luamethod(ObjectRef, hud_get_flags),
|
|
luamethod(ObjectRef, hud_set_hotbar_itemcount),
|
|
luamethod(ObjectRef, hud_get_hotbar_itemcount),
|
|
luamethod(ObjectRef, hud_set_hotbar_image),
|
|
luamethod(ObjectRef, hud_get_hotbar_image),
|
|
luamethod(ObjectRef, hud_set_hotbar_selected_image),
|
|
luamethod(ObjectRef, hud_get_hotbar_selected_image),
|
|
luamethod(ObjectRef, set_sky),
|
|
luamethod(ObjectRef, get_sky),
|
|
luamethod(ObjectRef, override_day_night_ratio),
|
|
luamethod(ObjectRef, get_day_night_ratio),
|
|
luamethod(ObjectRef, set_local_animation),
|
|
luamethod(ObjectRef, get_local_animation),
|
|
luamethod(ObjectRef, set_eye_offset),
|
|
luamethod(ObjectRef, get_eye_offset),
|
|
{0,0}
|
|
};
|