src/player.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 Lesser General Public License as published by
   7 the Free Software Foundation; either version 2.1 of the License, or
   8 (at your option) any later version.
   9
  10 This program is distributed in the hope that it will be useful,
  11 but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13 GNU Lesser General Public License for more details.
  14
  15 You should have received a copy of the GNU Lesser General Public License along
  16 with this program; if not, write to the Free Software Foundation, Inc.,
  17 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  18 */
  19
  20 #include "player.h"
  21 #include "constants.h"
  22 #include "gamedef.h"
  23 #include "connection.h" // PEER_ID_INEXISTENT
  24 #include "settings.h"
  25 #include "content_sao.h"
  26 #include "util/numeric.h"
  27
  28 Player::Player(IGameDef *gamedef):
  29         touching_ground(false),
  30         in_water(false),
  31         in_water_stable(false),
  32         is_climbing(false),
  33         swimming_up(false),
  34         camera_barely_in_ceiling(false),
  35         inventory(gamedef->idef()),
  36         hp(PLAYER_MAX_HP),
  37         peer_id(PEER_ID_INEXISTENT),
  38 // protected
  39         m_gamedef(gamedef),
  40         m_pitch(0),
  41         m_yaw(0),
  42         m_speed(0,0,0),
  43         m_position(0,0,0)
  44 {
  45         updateName("<not set>");
  46         inventory.clear();
  47         inventory.addList("main", PLAYER_INVENTORY_SIZE);
  48         InventoryList *craft = inventory.addList("craft", 9);
  49         craft->setWidth(3);
  50         inventory.addList("craftpreview", 1);
  51         inventory.addList("craftresult", 1);
  52
  53         // Can be redefined via Lua
  54         inventory_formspec =  "size[8,7.5]"
  55                 //"image[1,0.6;1,2;player.png]"
  56                 "list[current_player;main;0,3.5;8,4;]"
  57                 "list[current_player;craft;3,0;3,3;]"
  58                 "list[current_player;craftpreview;7,1;1,1;]";
  59 }
  60
  61 Player::~Player()
  62 {
  63 }
  64
  65 // Y direction is ignored
  66 void Player::accelerate(v3f target_speed, f32 max_increase)
  67 {
  68         v3f d_wanted = target_speed - m_speed;
  69         d_wanted.Y = 0;
  70         f32 dl_wanted = d_wanted.getLength();
  71         f32 dl = dl_wanted;
  72         if(dl > max_increase)
  73                 dl = max_increase;
  74
  75         v3f d = d_wanted.normalize() * dl;
  76
  77         m_speed.X += d.X;
  78         m_speed.Z += d.Z;
  79         //m_speed += d;
  80
  81 #if 0 // old code
  82         if(m_speed.X < target_speed.X - max_increase)
  83                 m_speed.X += max_increase;
  84         else if(m_speed.X > target_speed.X + max_increase)
  85                 m_speed.X -= max_increase;
  86         else if(m_speed.X < target_speed.X)
  87                 m_speed.X = target_speed.X;
  88         else if(m_speed.X > target_speed.X)
  89                 m_speed.X = target_speed.X;
  90
  91         if(m_speed.Z < target_speed.Z - max_increase)
  92                 m_speed.Z += max_increase;
  93         else if(m_speed.Z > target_speed.Z + max_increase)
  94                 m_speed.Z -= max_increase;
  95         else if(m_speed.Z < target_speed.Z)
  96                 m_speed.Z = target_speed.Z;
  97         else if(m_speed.Z > target_speed.Z)
  98                 m_speed.Z = target_speed.Z;
  99 #endif
 100 }
 101
 102 v3s16 Player::getLightPosition() const
 103 {
 104         return floatToInt(m_position + v3f(0,BS+BS/2,0), BS);
 105 }
 106
 107 void Player::serialize(std::ostream &os)
 108 {
 109         // Utilize a Settings object for storing values
 110         Settings args;
 111         args.setS32("version", 1);
 112         args.set("name", m_name);
 113         //args.set("password", m_password);
 114         args.setFloat("pitch", m_pitch);
 115         args.setFloat("yaw", m_yaw);
 116         args.setV3F("position", m_position);
 117         args.setS32("hp", hp);
 118
 119         args.writeLines(os);
 120
 121         os<<"PlayerArgsEnd\n";
 122
 123         inventory.serialize(os);
 124 }
 125
 126 void Player::deSerialize(std::istream &is)
 127 {
 128         Settings args;
 129
 130         for(;;)
 131         {
 132                 if(is.eof())
 133                         throw SerializationError
 134                                         ("Player::deSerialize(): PlayerArgsEnd not found");
 135                 std::string line;
 136                 std::getline(is, line);
 137                 std::string trimmedline = trim(line);
 138                 if(trimmedline == "PlayerArgsEnd")
 139                         break;
 140                 args.parseConfigLine(line);
 141         }
 142
 143         //args.getS32("version"); // Version field value not used
 144         std::string name = args.get("name");
 145         updateName(name.c_str());
 146         setPitch(args.getFloat("pitch"));
 147         setYaw(args.getFloat("yaw"));
 148         setPosition(args.getV3F("position"));
 149         try{
 150                 hp = args.getS32("hp");
 151         }catch(SettingNotFoundException &e){
 152                 hp = 20;
 153         }
 154
 155         inventory.deSerialize(is);
 156
 157         if(inventory.getList("craftpreview") == NULL)
 158         {
 159                 // Convert players without craftpreview
 160                 inventory.addList("craftpreview", 1);
 161
 162                 bool craftresult_is_preview = true;
 163                 if(args.exists("craftresult_is_preview"))
 164                         craftresult_is_preview = args.getBool("craftresult_is_preview");
 165                 if(craftresult_is_preview)
 166                 {
 167                         // Clear craftresult
 168                         inventory.getList("craftresult")->changeItem(0, ItemStack());
 169                 }
 170         }
 171 }
 172
 173 /*
 174         RemotePlayer
 175 */
 176
 177
 178
 179
 180
 181 void RemotePlayer::setPosition(const v3f &position)
 182 {
 183         Player::setPosition(position);
 184         if(m_sao)
 185                 m_sao->setBasePosition(position);
 186 }