3 Copyright (C) 2010-2011 celeron55, Perttu Ahola <celeron55@gmail.com>
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.
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.
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.
20 #include "content_sao.h"
21 #include "collision.h"
22 #include "environment.h"
24 #include "main.h" // For g_profiler
26 #include "serialization.h" // For compressZlib
27 #include "tool.h" // For ToolCapabilities
30 #include "scriptapi.h"
31 #include "genericobject.h"
32 #include "util/serialize.h"
34 core::map<u16, ServerActiveObject::Factory> ServerActiveObject::m_types;
40 class DummyLoadSAO : public ServerActiveObject
43 DummyLoadSAO(ServerEnvironment *env, v3f pos, u8 type):
44 ServerActiveObject(env, pos)
46 ServerActiveObject::registerType(type, create);
48 // Pretend to be the test object (to fool the client)
50 { return ACTIVEOBJECT_TYPE_TEST; }
51 // And never save to disk
52 bool isStaticAllowed() const
55 static ServerActiveObject* create(ServerEnvironment *env, v3f pos,
56 const std::string &data)
58 return new DummyLoadSAO(env, pos, 0);
61 void step(float dtime, bool send_recommended)
64 infostream<<"DummyLoadSAO step"<<std::endl;
70 // Prototype (registers item for deserialization)
71 DummyLoadSAO proto1_DummyLoadSAO(NULL, v3f(0,0,0), ACTIVEOBJECT_TYPE_RAT);
72 DummyLoadSAO proto2_DummyLoadSAO(NULL, v3f(0,0,0), ACTIVEOBJECT_TYPE_OERKKI1);
73 DummyLoadSAO proto3_DummyLoadSAO(NULL, v3f(0,0,0), ACTIVEOBJECT_TYPE_FIREFLY);
74 DummyLoadSAO proto4_DummyLoadSAO(NULL, v3f(0,0,0), ACTIVEOBJECT_TYPE_MOBV2);
80 class TestSAO : public ServerActiveObject
83 TestSAO(ServerEnvironment *env, v3f pos):
84 ServerActiveObject(env, pos),
88 ServerActiveObject::registerType(getType(), create);
91 { return ACTIVEOBJECT_TYPE_TEST; }
93 static ServerActiveObject* create(ServerEnvironment *env, v3f pos,
94 const std::string &data)
96 return new TestSAO(env, pos);
99 void step(float dtime, bool send_recommended)
108 m_base_position.Y += dtime * BS * 2;
109 if(m_base_position.Y > 8*BS)
110 m_base_position.Y = 2*BS;
112 if(send_recommended == false)
122 data += itos(0); // 0 = position
124 data += itos(m_base_position.X);
126 data += itos(m_base_position.Y);
128 data += itos(m_base_position.Z);
130 ActiveObjectMessage aom(getId(), false, data);
131 m_messages_out.push_back(aom);
140 // Prototype (registers item for deserialization)
141 TestSAO proto_TestSAO(NULL, v3f(0,0,0));
146 DEPRECATED: New dropped items are implemented in Lua; see
147 builtin/item_entity.lua.
150 class ItemSAO : public ServerActiveObject
154 { return ACTIVEOBJECT_TYPE_ITEM; }
156 float getMinimumSavedMovement()
159 static ServerActiveObject* create(ServerEnvironment *env, v3f pos,
160 const std::string &data)
162 std::istringstream is(data, std::ios::binary);
167 // check if version is supported
170 std::string itemstring = deSerializeString(is);
171 infostream<<"create(): Creating item \""
172 <<itemstring<<"\""<<std::endl;
173 return new ItemSAO(env, pos, itemstring);
176 ItemSAO(ServerEnvironment *env, v3f pos,
177 const std::string itemstring):
178 ServerActiveObject(env, pos),
179 m_itemstring(itemstring),
180 m_itemstring_changed(false),
182 m_last_sent_position(0,0,0)
184 ServerActiveObject::registerType(getType(), create);
187 void step(float dtime, bool send_recommended)
189 ScopeProfiler sp2(g_profiler, "step avg", SPT_AVG);
193 const float interval = 0.2;
194 if(m_move_interval.step(dtime, interval)==false)
198 core::aabbox3d<f32> box(-BS/3.,0.0,-BS/3., BS/3.,BS*2./3.,BS/3.);
199 collisionMoveResult moveresult;
201 m_speed_f += v3f(0, -dtime*9.81*BS, 0);
202 // Maximum movement without glitches
203 f32 pos_max_d = BS*0.25;
205 if(m_speed_f.getLength()*dtime > pos_max_d)
206 m_speed_f *= pos_max_d / (m_speed_f.getLength()*dtime);
207 v3f pos_f = getBasePosition();
208 v3f pos_f_old = pos_f;
209 v3f accel_f = v3f(0,0,0);
211 IGameDef *gamedef = m_env->getGameDef();
212 moveresult = collisionMoveSimple(&m_env->getMap(), gamedef,
213 pos_max_d, box, stepheight, dtime,
214 pos_f, m_speed_f, accel_f);
216 if(send_recommended == false)
219 if(pos_f.getDistanceFrom(m_last_sent_position) > 0.05*BS)
221 setBasePosition(pos_f);
222 m_last_sent_position = pos_f;
224 std::ostringstream os(std::ios::binary);
225 // command (0 = update position)
228 writeV3F1000(os, m_base_position);
229 // create message and add to list
230 ActiveObjectMessage aom(getId(), false, os.str());
231 m_messages_out.push_back(aom);
233 if(m_itemstring_changed)
235 m_itemstring_changed = false;
237 std::ostringstream os(std::ios::binary);
238 // command (1 = update itemstring)
241 os<<serializeString(m_itemstring);
242 // create message and add to list
243 ActiveObjectMessage aom(getId(), false, os.str());
244 m_messages_out.push_back(aom);
248 std::string getClientInitializationData()
250 std::ostringstream os(std::ios::binary);
254 writeV3F1000(os, m_base_position);
256 os<<serializeString(m_itemstring);
260 std::string getStaticData()
262 infostream<<__FUNCTION_NAME<<std::endl;
263 std::ostringstream os(std::ios::binary);
267 os<<serializeString(m_itemstring);
271 ItemStack createItemStack()
274 IItemDefManager *idef = m_env->getGameDef()->idef();
276 item.deSerialize(m_itemstring, idef);
277 infostream<<__FUNCTION_NAME<<": m_itemstring=\""<<m_itemstring
278 <<"\" -> item=\""<<item.getItemString()<<"\""
282 catch(SerializationError &e)
284 infostream<<__FUNCTION_NAME<<": serialization error: "
285 <<"m_itemstring=\""<<m_itemstring<<"\""<<std::endl;
291 const ToolCapabilities *toolcap,
292 ServerActiveObject *puncher,
293 float time_from_last_punch)
295 // Take item into inventory
296 ItemStack item = createItemStack();
297 Inventory *inv = puncher->getInventory();
300 std::string wieldlist = puncher->getWieldList();
301 ItemStack leftover = inv->addItem(wieldlist, item);
302 puncher->setInventoryModified();
309 m_itemstring = leftover.getItemString();
310 m_itemstring_changed = true;
319 std::string m_itemstring;
320 bool m_itemstring_changed;
322 v3f m_last_sent_position;
323 IntervalLimiter m_move_interval;
326 // Prototype (registers item for deserialization)
327 ItemSAO proto_ItemSAO(NULL, v3f(0,0,0), "");
329 ServerActiveObject* createItemSAO(ServerEnvironment *env, v3f pos,
330 const std::string itemstring)
332 return new ItemSAO(env, pos, itemstring);
339 // Prototype (registers item for deserialization)
340 LuaEntitySAO proto_LuaEntitySAO(NULL, v3f(0,0,0), "_prototype", "");
342 LuaEntitySAO::LuaEntitySAO(ServerEnvironment *env, v3f pos,
343 const std::string &name, const std::string &state):
344 ServerActiveObject(env, pos),
350 m_acceleration(0,0,0),
352 m_properties_sent(true),
354 m_last_sent_position(0,0,0),
355 m_last_sent_velocity(0,0,0),
356 m_last_sent_position_timer(0),
357 m_last_sent_move_precision(0),
358 m_armor_groups_sent(false)
360 // Only register type if no environment supplied
362 ServerActiveObject::registerType(getType(), create);
366 // Initialize something to armor groups
367 m_armor_groups["fleshy"] = 3;
368 m_armor_groups["snappy"] = 2;
371 LuaEntitySAO::~LuaEntitySAO()
374 lua_State *L = m_env->getLua();
375 scriptapi_luaentity_rm(L, m_id);
379 void LuaEntitySAO::addedToEnvironment(u32 dtime_s)
381 ServerActiveObject::addedToEnvironment(dtime_s);
383 // Create entity from name
384 lua_State *L = m_env->getLua();
385 m_registered = scriptapi_luaentity_add(L, m_id, m_init_name.c_str());
389 scriptapi_luaentity_get_properties(L, m_id, &m_prop);
390 // Initialize HP from properties
391 m_hp = m_prop.hp_max;
392 // Activate entity, supplying serialized state
393 scriptapi_luaentity_activate(L, m_id, m_init_state.c_str(), dtime_s);
397 ServerActiveObject* LuaEntitySAO::create(ServerEnvironment *env, v3f pos,
398 const std::string &data)
406 std::istringstream is(data, std::ios::binary);
408 u8 version = readU8(is);
409 // check if version is supported
411 name = deSerializeString(is);
412 state = deSerializeLongString(is);
414 else if(version == 1){
415 name = deSerializeString(is);
416 state = deSerializeLongString(is);
418 velocity = readV3F1000(is);
423 infostream<<"LuaEntitySAO::create(name=\""<<name<<"\" state=\""
424 <<state<<"\")"<<std::endl;
425 LuaEntitySAO *sao = new LuaEntitySAO(env, pos, name, state);
427 sao->m_velocity = velocity;
432 void LuaEntitySAO::step(float dtime, bool send_recommended)
434 if(!m_properties_sent)
436 m_properties_sent = true;
437 std::string str = getPropertyPacket();
438 // create message and add to list
439 ActiveObjectMessage aom(getId(), true, str);
440 m_messages_out.push_back(aom);
443 m_last_sent_position_timer += dtime;
446 core::aabbox3d<f32> box = m_prop.collisionbox;
449 collisionMoveResult moveresult;
450 f32 pos_max_d = BS*0.25; // Distance per iteration
451 f32 stepheight = 0; // Maximum climbable step height
452 v3f p_pos = m_base_position;
453 v3f p_velocity = m_velocity;
454 v3f p_acceleration = m_acceleration;
455 IGameDef *gamedef = m_env->getGameDef();
456 moveresult = collisionMoveSimple(&m_env->getMap(), gamedef,
457 pos_max_d, box, stepheight, dtime,
458 p_pos, p_velocity, p_acceleration);
460 m_base_position = p_pos;
461 m_velocity = p_velocity;
462 m_acceleration = p_acceleration;
464 m_base_position += dtime * m_velocity + 0.5 * dtime
465 * dtime * m_acceleration;
466 m_velocity += dtime * m_acceleration;
470 lua_State *L = m_env->getLua();
471 scriptapi_luaentity_step(L, m_id, dtime);
474 if(send_recommended == false)
477 // TODO: force send when acceleration changes enough?
478 float minchange = 0.2*BS;
479 if(m_last_sent_position_timer > 1.0){
481 } else if(m_last_sent_position_timer > 0.2){
484 float move_d = m_base_position.getDistanceFrom(m_last_sent_position);
485 move_d += m_last_sent_move_precision;
486 float vel_d = m_velocity.getDistanceFrom(m_last_sent_velocity);
487 if(move_d > minchange || vel_d > minchange ||
488 fabs(m_yaw - m_last_sent_yaw) > 1.0){
489 sendPosition(true, false);
492 if(m_armor_groups_sent == false){
493 m_armor_groups_sent = true;
494 std::string str = gob_cmd_update_armor_groups(
496 // create message and add to list
497 ActiveObjectMessage aom(getId(), true, str);
498 m_messages_out.push_back(aom);
502 std::string LuaEntitySAO::getClientInitializationData()
504 std::ostringstream os(std::ios::binary);
505 writeU8(os, 0); // version
506 os<<serializeString(""); // name
507 writeU8(os, 0); // is_player
508 writeV3F1000(os, m_base_position);
509 writeF1000(os, m_yaw);
511 writeU8(os, 2); // number of messages stuffed in here
512 os<<serializeLongString(getPropertyPacket()); // message 1
513 os<<serializeLongString(gob_cmd_update_armor_groups(m_armor_groups)); // 2
518 std::string LuaEntitySAO::getStaticData()
520 verbosestream<<__FUNCTION_NAME<<std::endl;
521 std::ostringstream os(std::ios::binary);
525 os<<serializeString(m_init_name);
528 lua_State *L = m_env->getLua();
529 std::string state = scriptapi_luaentity_get_staticdata(L, m_id);
530 os<<serializeLongString(state);
532 os<<serializeLongString(m_init_state);
537 writeV3F1000(os, m_velocity);
539 writeF1000(os, m_yaw);
543 int LuaEntitySAO::punch(v3f dir,
544 const ToolCapabilities *toolcap,
545 ServerActiveObject *puncher,
546 float time_from_last_punch)
549 // Delete unknown LuaEntities when punched
554 ItemStack *punchitem = NULL;
555 ItemStack punchitem_static;
557 punchitem_static = puncher->getWieldedItem();
558 punchitem = &punchitem_static;
561 PunchDamageResult result = getPunchDamage(
565 time_from_last_punch);
569 setHP(getHP() - result.damage);
571 actionstream<<getDescription()<<" punched by "
572 <<puncher->getDescription()<<", damage "<<result.damage
573 <<" hp, health now "<<getHP()<<" hp"<<std::endl;
576 std::string str = gob_cmd_punched(result.damage, getHP());
577 // create message and add to list
578 ActiveObjectMessage aom(getId(), true, str);
579 m_messages_out.push_back(aom);
586 lua_State *L = m_env->getLua();
587 scriptapi_luaentity_punch(L, m_id, puncher,
588 time_from_last_punch, toolcap, dir);
593 void LuaEntitySAO::rightClick(ServerActiveObject *clicker)
597 lua_State *L = m_env->getLua();
598 scriptapi_luaentity_rightclick(L, m_id, clicker);
601 void LuaEntitySAO::setPos(v3f pos)
603 m_base_position = pos;
604 sendPosition(false, true);
607 void LuaEntitySAO::moveTo(v3f pos, bool continuous)
609 m_base_position = pos;
611 sendPosition(true, true);
614 float LuaEntitySAO::getMinimumSavedMovement()
619 std::string LuaEntitySAO::getDescription()
621 std::ostringstream os(std::ios::binary);
622 os<<"LuaEntitySAO at (";
623 os<<(m_base_position.X/BS)<<",";
624 os<<(m_base_position.Y/BS)<<",";
625 os<<(m_base_position.Z/BS);
630 void LuaEntitySAO::setHP(s16 hp)
636 s16 LuaEntitySAO::getHP() const
641 void LuaEntitySAO::setArmorGroups(const ItemGroupList &armor_groups)
643 m_armor_groups = armor_groups;
644 m_armor_groups_sent = false;
647 ObjectProperties* LuaEntitySAO::accessObjectProperties()
652 void LuaEntitySAO::notifyObjectPropertiesModified()
654 m_properties_sent = false;
657 void LuaEntitySAO::setVelocity(v3f velocity)
659 m_velocity = velocity;
662 v3f LuaEntitySAO::getVelocity()
667 void LuaEntitySAO::setAcceleration(v3f acceleration)
669 m_acceleration = acceleration;
672 v3f LuaEntitySAO::getAcceleration()
674 return m_acceleration;
677 void LuaEntitySAO::setYaw(float yaw)
682 float LuaEntitySAO::getYaw()
687 void LuaEntitySAO::setTextureMod(const std::string &mod)
689 std::string str = gob_cmd_set_texture_mod(mod);
690 // create message and add to list
691 ActiveObjectMessage aom(getId(), true, str);
692 m_messages_out.push_back(aom);
695 void LuaEntitySAO::setSprite(v2s16 p, int num_frames, float framelength,
696 bool select_horiz_by_yawpitch)
698 std::string str = gob_cmd_set_sprite(
702 select_horiz_by_yawpitch
704 // create message and add to list
705 ActiveObjectMessage aom(getId(), true, str);
706 m_messages_out.push_back(aom);
709 void LuaEntitySAO::setAnimations(int frame_start, int frame_end, float frame_speed, float frame_blend)
711 std::string str = gob_cmd_set_animations(frame_start, frame_end, frame_speed, frame_blend);
712 // create message and add to list
713 ActiveObjectMessage aom(getId(), true, str);
714 m_messages_out.push_back(aom);
717 std::string LuaEntitySAO::getName()
722 std::string LuaEntitySAO::getPropertyPacket()
724 return gob_cmd_set_properties(m_prop);
727 void LuaEntitySAO::sendPosition(bool do_interpolate, bool is_movement_end)
729 m_last_sent_move_precision = m_base_position.getDistanceFrom(
730 m_last_sent_position);
731 m_last_sent_position_timer = 0;
732 m_last_sent_yaw = m_yaw;
733 m_last_sent_position = m_base_position;
734 m_last_sent_velocity = m_velocity;
735 //m_last_sent_acceleration = m_acceleration;
737 float update_interval = m_env->getSendRecommendedInterval();
739 std::string str = gob_cmd_update_position(
748 // create message and add to list
749 ActiveObjectMessage aom(getId(), false, str);
750 m_messages_out.push_back(aom);
757 // No prototype, PlayerSAO does not need to be deserialized
759 PlayerSAO::PlayerSAO(ServerEnvironment *env_, Player *player_, u16 peer_id_,
760 const std::set<std::string> &privs, bool is_singleplayer):
761 ServerActiveObject(env_, v3f(0,0,0)),
765 m_last_good_position(0,0,0),
766 m_last_good_position_age(0),
767 m_time_from_last_punch(0),
768 m_nocheat_dig_pos(32767, 32767, 32767),
769 m_nocheat_dig_time(0),
771 m_position_not_sent(false),
772 m_armor_groups_sent(false),
773 m_properties_sent(true),
775 m_is_singleplayer(is_singleplayer),
778 m_inventory_not_sent(false),
779 m_hp_not_sent(false),
780 m_wielded_item_not_sent(false)
783 assert(m_peer_id != 0);
784 setBasePosition(m_player->getPosition());
785 m_inventory = &m_player->inventory;
786 m_armor_groups["choppy"] = 2;
787 m_armor_groups["fleshy"] = 3;
789 m_prop.hp_max = PLAYER_MAX_HP;
790 m_prop.physical = false;
792 m_prop.collisionbox = core::aabbox3d<f32>(-1/3.,-1.0,-1/3., 1/3.,1.0,1/3.);
793 // start of default appearance, this should be overwritten by LUA
794 m_prop.visual = "upright_sprite";
795 m_prop.visual_size = v2f(1, 2);
796 m_prop.textures.clear();
797 m_prop.textures.push_back("player.png");
798 m_prop.textures.push_back("player_back.png");
799 m_prop.spritediv = v2s16(1,1);
800 // end of default appearance
801 m_prop.is_visible = (getHP() != 0); // TODO: Use a death animation instead for mesh players
802 m_prop.makes_footstep_sound = true;
805 PlayerSAO::~PlayerSAO()
807 if(m_inventory != &m_player->inventory)
812 std::string PlayerSAO::getDescription()
814 return std::string("player ") + m_player->getName();
817 // Called after id has been set and has been inserted in environment
818 void PlayerSAO::addedToEnvironment(u32 dtime_s)
820 ServerActiveObject::addedToEnvironment(dtime_s);
821 ServerActiveObject::setBasePosition(m_player->getPosition());
822 m_player->setPlayerSAO(this);
823 m_player->peer_id = m_peer_id;
824 m_last_good_position = m_player->getPosition();
825 m_last_good_position_age = 0.0;
828 // Called before removing from environment
829 void PlayerSAO::removingFromEnvironment()
831 ServerActiveObject::removingFromEnvironment();
832 if(m_player->getPlayerSAO() == this)
834 m_player->setPlayerSAO(NULL);
835 m_player->peer_id = 0;
839 bool PlayerSAO::isStaticAllowed() const
844 bool PlayerSAO::unlimitedTransferDistance() const
846 return g_settings->getBool("unlimited_player_transfer_distance");
849 std::string PlayerSAO::getClientInitializationData()
851 std::ostringstream os(std::ios::binary);
852 writeU8(os, 0); // version
853 os<<serializeString(m_player->getName()); // name
854 writeU8(os, 1); // is_player
855 writeV3F1000(os, m_player->getPosition() + v3f(0,BS*1,0));
856 writeF1000(os, m_player->getYaw());
857 writeS16(os, getHP());
858 writeU8(os, 2); // number of messages stuffed in here
859 os<<serializeLongString(getPropertyPacket()); // message 1
860 os<<serializeLongString(gob_cmd_update_armor_groups(m_armor_groups)); // 2
864 std::string PlayerSAO::getStaticData()
870 void PlayerSAO::step(float dtime, bool send_recommended)
872 if(!m_properties_sent)
874 m_properties_sent = true;
875 std::string str = getPropertyPacket();
876 // create message and add to list
877 ActiveObjectMessage aom(getId(), true, str);
878 m_messages_out.push_back(aom);
881 m_time_from_last_punch += dtime;
882 m_nocheat_dig_time += dtime;
884 if(m_is_singleplayer || g_settings->getBool("disable_anticheat"))
886 m_last_good_position = m_player->getPosition();
887 m_last_good_position_age = 0;
892 Check player movements
894 NOTE: Actually the server should handle player physics like the
895 client does and compare player's position to what is calculated
896 on our side. This is required when eg. players fly due to an
897 explosion. Altough a node-based alternative might be possible
898 too, and much more lightweight.
901 float player_max_speed = 0;
902 float player_max_speed_up = 0;
903 if(m_privs.count("fast") != 0){
905 player_max_speed = BS * 20;
906 player_max_speed_up = BS * 20;
909 player_max_speed = BS * 4.0;
910 player_max_speed_up = BS * 4.0;
913 player_max_speed *= 2.5;
914 player_max_speed_up *= 2.5;
916 m_last_good_position_age += dtime;
917 if(m_last_good_position_age >= 1.0){
918 float age = m_last_good_position_age;
919 v3f diff = (m_player->getPosition() - m_last_good_position);
920 float d_vert = diff.Y;
922 float d_horiz = diff.getLength();
923 /*infostream<<m_player->getName()<<"'s horizontal speed is "
924 <<(d_horiz/age)<<std::endl;*/
925 if(d_horiz <= age * player_max_speed &&
926 (d_vert < 0 || d_vert < age * player_max_speed_up)){
927 m_last_good_position = m_player->getPosition();
929 actionstream<<"Player "<<m_player->getName()
930 <<" moved too fast; resetting position"
932 m_player->setPosition(m_last_good_position);
935 m_last_good_position_age = 0;
939 if(send_recommended == false)
942 if(m_position_not_sent)
944 m_position_not_sent = false;
945 float update_interval = m_env->getSendRecommendedInterval();
946 std::string str = gob_cmd_update_position(
947 m_player->getPosition() + v3f(0,BS*1,0),
955 // create message and add to list
956 ActiveObjectMessage aom(getId(), false, str);
957 m_messages_out.push_back(aom);
960 if(m_wielded_item_not_sent)
962 m_wielded_item_not_sent = false;
963 // GenericCAO has no special way to show this
966 if(m_armor_groups_sent == false){
967 m_armor_groups_sent = true;
968 std::string str = gob_cmd_update_armor_groups(
970 // create message and add to list
971 ActiveObjectMessage aom(getId(), true, str);
972 m_messages_out.push_back(aom);
976 void PlayerSAO::setBasePosition(const v3f &position)
978 ServerActiveObject::setBasePosition(position);
979 m_position_not_sent = true;
982 void PlayerSAO::setPos(v3f pos)
984 m_player->setPosition(pos);
985 // Movement caused by this command is always valid
986 m_last_good_position = pos;
987 m_last_good_position_age = 0;
988 // Force position change on client
992 void PlayerSAO::moveTo(v3f pos, bool continuous)
994 m_player->setPosition(pos);
995 // Movement caused by this command is always valid
996 m_last_good_position = pos;
997 m_last_good_position_age = 0;
998 // Force position change on client
1002 int PlayerSAO::punch(v3f dir,
1003 const ToolCapabilities *toolcap,
1004 ServerActiveObject *puncher,
1005 float time_from_last_punch)
1010 // No effect if PvP disabled
1011 if(g_settings->getBool("enable_pvp") == false){
1012 if(puncher->getType() == ACTIVEOBJECT_TYPE_PLAYER){
1013 std::string str = gob_cmd_punched(0, getHP());
1014 // create message and add to list
1015 ActiveObjectMessage aom(getId(), true, str);
1016 m_messages_out.push_back(aom);
1021 HitParams hitparams = getHitParams(m_armor_groups, toolcap,
1022 time_from_last_punch);
1024 actionstream<<"Player "<<m_player->getName()<<" punched by "
1025 <<puncher->getDescription()<<", damage "<<hitparams.hp
1028 setHP(getHP() - hitparams.hp);
1030 if(hitparams.hp != 0)
1032 std::string str = gob_cmd_punched(hitparams.hp, getHP());
1033 // create message and add to list
1034 ActiveObjectMessage aom(getId(), true, str);
1035 m_messages_out.push_back(aom);
1038 return hitparams.wear;
1041 void PlayerSAO::rightClick(ServerActiveObject *clicker)
1045 s16 PlayerSAO::getHP() const
1047 return m_player->hp;
1050 void PlayerSAO::setHP(s16 hp)
1052 s16 oldhp = m_player->hp;
1056 else if(hp > PLAYER_MAX_HP)
1059 if(hp < oldhp && g_settings->getBool("enable_damage") == false)
1061 m_hp_not_sent = true; // fix wrong prediction on client
1068 m_hp_not_sent = true;
1070 // On death or reincarnation send an active object message
1071 if((hp == 0) != (oldhp == 0))
1073 // Will send new is_visible value based on (getHP()!=0)
1074 m_properties_sent = false;
1076 std::string str = gob_cmd_punched(0, getHP());
1077 ActiveObjectMessage aom(getId(), true, str);
1078 m_messages_out.push_back(aom);
1082 void PlayerSAO::setArmorGroups(const ItemGroupList &armor_groups)
1084 m_armor_groups = armor_groups;
1085 m_armor_groups_sent = false;
1088 ObjectProperties* PlayerSAO::accessObjectProperties()
1093 void PlayerSAO::notifyObjectPropertiesModified()
1095 m_properties_sent = false;
1098 Inventory* PlayerSAO::getInventory()
1102 const Inventory* PlayerSAO::getInventory() const
1107 InventoryLocation PlayerSAO::getInventoryLocation() const
1109 InventoryLocation loc;
1110 loc.setPlayer(m_player->getName());
1114 void PlayerSAO::setInventoryModified()
1116 m_inventory_not_sent = true;
1119 std::string PlayerSAO::getWieldList() const
1124 int PlayerSAO::getWieldIndex() const
1126 return m_wield_index;
1129 void PlayerSAO::setWieldIndex(int i)
1131 if(i != m_wield_index)
1134 m_wielded_item_not_sent = true;
1138 void PlayerSAO::disconnected()
1142 if(m_player->getPlayerSAO() == this)
1144 m_player->setPlayerSAO(NULL);
1145 m_player->peer_id = 0;
1149 std::string PlayerSAO::getPropertyPacket()
1151 m_prop.is_visible = (getHP() != 0);
1152 return gob_cmd_set_properties(m_prop);