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 void ServerRemotePlayer::punch(ServerActiveObject *puncher,
 173                 float time_from_last_punch)
 174 {
 175         if(!puncher)
 176                 return;
 177
 178         // No effect if PvP disabled
 179         if(g_settings->getBool("enable_pvp") == false){
 180                 if(puncher->getType() == ACTIVEOBJECT_TYPE_PLAYER)
 181                         return;
 182         }
 183
 184         // "Material" groups of the player
 185         ItemGroupList groups;
 186         groups["choppy"] = 2;
 187         groups["fleshy"] = 3;
 188
 189         IItemDefManager *idef = m_env->getGameDef()->idef();
 190         ItemStack punchitem = puncher->getWieldedItem();
 191         ToolCapabilities tp = punchitem.getToolCapabilities(idef);
 192
 193         HitParams hitparams = getHitParams(groups, &tp, time_from_last_punch);
 194
 195         actionstream<<"Player "<<getName()<<" punched by "
 196                         <<puncher->getDescription()<<", damage "<<hitparams.hp
 197                         <<" HP"<<std::endl;
 198
 199         setHP(getHP() - hitparams.hp);
 200         punchitem.addWear(hitparams.wear, idef);
 201         puncher->setWieldedItem(punchitem);
 202
 203         if(hitparams.hp != 0)
 204         {
 205                 std::ostringstream os(std::ios::binary);
 206                 // command (1 = punched)
 207                 writeU8(os, 1);
 208                 // damage
 209                 writeS16(os, hitparams.hp);
 210                 // create message and add to list
 211                 ActiveObjectMessage aom(getId(), false, os.str());
 212                 m_messages_out.push_back(aom);
 213         }
 214 }
 215
 216 void ServerRemotePlayer::rightClick(ServerActiveObject *clicker)
 217 {
 218 }
 219
 220 void ServerRemotePlayer::setPos(v3f pos)
 221 {
 222         setPosition(pos);
 223         // Movement caused by this command is always valid
 224         m_last_good_position = pos;
 225         m_last_good_position_age = 0;
 226 }
 227 void ServerRemotePlayer::moveTo(v3f pos, bool continuous)
 228 {
 229         setPosition(pos);
 230         // Movement caused by this command is always valid
 231         m_last_good_position = pos;
 232         m_last_good_position_age = 0;
 233 }
 234
 235 void ServerRemotePlayer::setHP(s16 hp_)
 236 {
 237         s16 oldhp = hp;
 238
 239         // FIXME: don't hardcode maximum HP, make configurable per object
 240         if(hp_ < 0)
 241                 hp_ = 0;
 242         else if(hp_ > 20)
 243                 hp_ = 20;
 244         hp = hp_;
 245
 246         if(hp != oldhp)
 247                 m_hp_not_sent = true;
 248
 249         // On death or reincarnation send an active object message
 250         if((hp == 0) != (oldhp == 0))
 251         {
 252                 std::ostringstream os(std::ios::binary);
 253                 // command (2 = update death state)
 254                 writeU8(os, 2);
 255                 // dead?
 256                 writeU8(os, hp == 0);
 257                 // create message and add to list
 258                 ActiveObjectMessage aom(getId(), false, os.str());
 259                 m_messages_out.push_back(aom);
 260         }
 261 }
 262 s16 ServerRemotePlayer::getHP()
 263 {
 264         return hp;
 265 }
 266
 267