src/serverremoteplayer.cpp

   1 /*
   2 Minetest-c55
   3 Copyright (C) 2010-2011 celeron55, Perttu Ahola <celeron55@gmail.com>
   4
   5 This program is free software; you can redistribute it and/or modify
   6 it under the terms of the GNU General Public License as published by
   7 the Free Software Foundation; either version 2 of the License, or
   8 (at your option) any later version.
   9
  10 This program is distributed in the hope that it will be useful,
  11 but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13 GNU General Public License for more details.
  14
  15 You should have received a copy of the GNU General Public License along
  16 with this program; if not, write to the Free Software Foundation, Inc.,
  17 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  18 */
  19
  20 #include "serverremoteplayer.h"
  21 #include "main.h" // For g_settings
  22 #include "settings.h"
  23 #include "log.h"
  24 #include "gamedef.h"
  25 #include "inventory.h"
  26 #include "environment.h"
  27 #include "tool.h"
  28
  29 ServerRemotePlayer::ServerRemotePlayer(ServerEnvironment *env):
  30         Player(env->getGameDef()),
  31         ServerActiveObject(env, v3f(0,0,0)),
  32         m_last_good_position(0,0,0),
  33         m_last_good_position_age(0),
  34         m_wield_index(0),
  35         m_inventory_not_sent(false),
  36         m_hp_not_sent(false),
  37         m_is_in_environment(false),
  38         m_time_from_last_punch(0),
  39         m_position_not_sent(false)
  40 {
  41 }
  42 ServerRemotePlayer::ServerRemotePlayer(ServerEnvironment *env, v3f pos_, u16 peer_id_,
  43                 const char *name_):
  44         Player(env->getGameDef()),
  45         ServerActiveObject(env, pos_),
  46         m_last_good_position(0,0,0),
  47         m_last_good_position_age(0),
  48         m_wield_index(0),
  49         m_inventory_not_sent(false),
  50         m_hp_not_sent(false),
  51         m_is_in_environment(false),
  52         m_time_from_last_punch(0),
  53         m_position_not_sent(false)
  54 {
  55         setPosition(pos_);
  56         peer_id = peer_id_;
  57         updateName(name_);
  58 }
  59 ServerRemotePlayer::~ServerRemotePlayer()
  60 {
  61 }
  62
  63 void ServerRemotePlayer::setPosition(const v3f &position)
  64 {
  65         Player::setPosition(position);
  66         ServerActiveObject::setBasePosition(position);
  67         m_position_not_sent = true;
  68 }
  69
  70 Inventory* ServerRemotePlayer::getInventory()
  71 {
  72         return &inventory;
  73 }
  74
  75 const Inventory* ServerRemotePlayer::getInventory() const
  76 {
  77         return &inventory;
  78 }
  79
  80 InventoryLocation ServerRemotePlayer::getInventoryLocation() const
  81 {
  82         InventoryLocation loc;
  83         loc.setPlayer(getName());
  84         return loc;
  85 }
  86
  87 void ServerRemotePlayer::setInventoryModified()
  88 {
  89         m_inventory_not_sent = true;
  90 }
  91
  92 std::string ServerRemotePlayer::getWieldList() const
  93 {
  94         return "main";
  95 }
  96
  97 int ServerRemotePlayer::getWieldIndex() const
  98 {
  99         return m_wield_index;
 100 }
 101
 102 void ServerRemotePlayer::setWieldIndex(int i)
 103 {
 104         m_wield_index = i;
 105 }
 106
 107 /* ServerActiveObject interface */
 108
 109 void ServerRemotePlayer::addedToEnvironment()
 110 {
 111         assert(!m_is_in_environment);
 112         m_is_in_environment = true;
 113 }
 114
 115 void ServerRemotePlayer::removingFromEnvironment()
 116 {
 117         assert(m_is_in_environment);
 118         m_is_in_environment = false;
 119 }
 120
 121 bool ServerRemotePlayer::unlimitedTransferDistance() const
 122 {
 123         return g_settings->getBool("unlimited_player_transfer_distance");
 124 }
 125
 126 void ServerRemotePlayer::step(float dtime, bool send_recommended)
 127 {
 128         m_time_from_last_punch += dtime;
 129
 130         if(send_recommended == false)
 131                 return;
 132
 133         if(m_position_not_sent)
 134         {
 135                 m_position_not_sent = false;
 136
 137                 std::ostringstream os(std::ios::binary);
 138                 // command (0 = update position)
 139                 writeU8(os, 0);
 140                 // pos
 141                 writeV3F1000(os, getPosition());
 142                 // yaw
 143                 writeF1000(os, getYaw());
 144                 // create message and add to list
 145                 ActiveObjectMessage aom(getId(), false, os.str());
 146                 m_messages_out.push_back(aom);
 147         }
 148 }
 149
 150 std::string ServerRemotePlayer::getClientInitializationData()
 151 {
 152         std::ostringstream os(std::ios::binary);
 153         // version
 154         writeU8(os, 0);
 155         // name
 156         os<<serializeString(getName());
 157         // pos
 158         writeV3F1000(os, getPosition());
 159         // yaw
 160         writeF1000(os, getYaw());
 161         // dead
 162         writeU8(os, getHP() == 0);
 163         return os.str();
 164 }
 165
 166 std::string ServerRemotePlayer::getStaticData()
 167 {
 168         assert(0);
 169         return "";
 170 }
 171
 172 int ServerRemotePlayer::punch(v3f dir,
 173                 const ToolCapabilities *toolcap,
 174                 ServerActiveObject *puncher,
 175                 float time_from_last_punch)
 176 {
 177         if(!toolcap)
 178                 return 0;
 179
 180         // No effect if PvP disabled
 181         if(g_settings->getBool("enable_pvp") == false){
 182                 if(puncher->getType() == ACTIVEOBJECT_TYPE_PLAYER)
 183                         return 0;
 184         }
 185
 186         // "Material" groups of the player
 187         ItemGroupList groups;
 188         groups["choppy"] = 2;
 189         groups["fleshy"] = 3;
 190
 191         HitParams hitparams = getHitParams(groups, toolcap, time_from_last_punch);
 192
 193         actionstream<<"Player "<<getName()<<" punched by "
 194                         <<puncher->getDescription()<<", damage "<<hitparams.hp
 195                         <<" HP"<<std::endl;
 196
 197         setHP(getHP() - hitparams.hp);
 198
 199         if(hitparams.hp != 0)
 200         {
 201                 std::ostringstream os(std::ios::binary);
 202                 // command (1 = punched)
 203                 writeU8(os, 1);
 204                 // damage
 205                 writeS16(os, hitparams.hp);
 206                 // create message and add to list
 207                 ActiveObjectMessage aom(getId(), false, os.str());
 208                 m_messages_out.push_back(aom);
 209         }
 210
 211         return hitparams.wear;
 212 }
 213
 214 void ServerRemotePlayer::rightClick(ServerActiveObject *clicker)
 215 {
 216 }
 217
 218 void ServerRemotePlayer::setPos(v3f pos)
 219 {
 220         setPosition(pos);
 221         // Movement caused by this command is always valid
 222         m_last_good_position = pos;
 223         m_last_good_position_age = 0;
 224 }
 225 void ServerRemotePlayer::moveTo(v3f pos, bool continuous)
 226 {
 227         setPosition(pos);
 228         // Movement caused by this command is always valid
 229         m_last_good_position = pos;
 230         m_last_good_position_age = 0;
 231 }
 232
 233 void ServerRemotePlayer::setHP(s16 hp_)
 234 {
 235         s16 oldhp = hp;
 236
 237         // FIXME: don't hardcode maximum HP, make configurable per object
 238         if(hp_ < 0)
 239                 hp_ = 0;
 240         else if(hp_ > 20)
 241                 hp_ = 20;
 242         hp = hp_;
 243
 244         if(hp != oldhp)
 245                 m_hp_not_sent = true;
 246
 247         // On death or reincarnation send an active object message
 248         if((hp == 0) != (oldhp == 0))
 249         {
 250                 std::ostringstream os(std::ios::binary);
 251                 // command (2 = update death state)
 252                 writeU8(os, 2);
 253                 // dead?
 254                 writeU8(os, hp == 0);
 255                 // create message and add to list
 256                 ActiveObjectMessage aom(getId(), false, os.str());
 257                 m_messages_out.push_back(aom);
 258         }
 259 }
 260 s16 ServerRemotePlayer::getHP()
 261 {
 262         return hp;
 263 }
 264
 265