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         inventory.addList("craft", 9);
  49         inventory.addList("craftpreview", 1);
  50         inventory.addList("craftresult", 1);
  51
  52         // Can be redefined via Lua
  53         inventory_formspec =  "invsize[8,7.5;]"
  54                 //"image[1,0.6;1,2;player.png]"
  55                 "list[current_player;main;0,3.5;8,4;]"
  56                 "list[current_player;craft;3,0;3,3;]"
  57                 "list[current_player;craftpreview;7,1;1,1;]";
  58 }
  59
  60 Player::~Player()
  61 {
  62 }
  63
  64 // Y direction is ignored
  65 void Player::accelerate(v3f target_speed, f32 max_increase)
  66 {
  67         v3f d_wanted = target_speed - m_speed;
  68         d_wanted.Y = 0;
  69         f32 dl_wanted = d_wanted.getLength();
  70         f32 dl = dl_wanted;
  71         if(dl > max_increase)
  72                 dl = max_increase;
  73
  74         v3f d = d_wanted.normalize() * dl;
  75
  76         m_speed.X += d.X;
  77         m_speed.Z += d.Z;
  78         //m_speed += d;
  79
  80 #if 0 // old code
  81         if(m_speed.X < target_speed.X - max_increase)
  82                 m_speed.X += max_increase;
  83         else if(m_speed.X > target_speed.X + max_increase)
  84                 m_speed.X -= max_increase;
  85         else if(m_speed.X < target_speed.X)
  86                 m_speed.X = target_speed.X;
  87         else if(m_speed.X > target_speed.X)
  88                 m_speed.X = target_speed.X;
  89
  90         if(m_speed.Z < target_speed.Z - max_increase)
  91                 m_speed.Z += max_increase;
  92         else if(m_speed.Z > target_speed.Z + max_increase)
  93                 m_speed.Z -= max_increase;
  94         else if(m_speed.Z < target_speed.Z)
  95                 m_speed.Z = target_speed.Z;
  96         else if(m_speed.Z > target_speed.Z)
  97                 m_speed.Z = target_speed.Z;
  98 #endif
  99 }
 100
 101 v3s16 Player::getLightPosition() const
 102 {
 103         return floatToInt(m_position + v3f(0,BS+BS/2,0), BS);
 104 }
 105
 106 void Player::serialize(std::ostream &os)
 107 {
 108         // Utilize a Settings object for storing values
 109         Settings args;
 110         args.setS32("version", 1);
 111         args.set("name", m_name);
 112         //args.set("password", m_password);
 113         args.setFloat("pitch", m_pitch);
 114         args.setFloat("yaw", m_yaw);
 115         args.setV3F("position", m_position);
 116         args.setS32("hp", hp);
 117
 118         args.writeLines(os);
 119
 120         os<<"PlayerArgsEnd\n";
 121
 122         inventory.serialize(os);
 123 }
 124
 125 void Player::deSerialize(std::istream &is)
 126 {
 127         Settings args;
 128
 129         for(;;)
 130         {
 131                 if(is.eof())
 132                         throw SerializationError
 133                                         ("Player::deSerialize(): PlayerArgsEnd not found");
 134                 std::string line;
 135                 std::getline(is, line);
 136                 std::string trimmedline = trim(line);
 137                 if(trimmedline == "PlayerArgsEnd")
 138                         break;
 139                 args.parseConfigLine(line);
 140         }
 141
 142         //args.getS32("version"); // Version field value not used
 143         std::string name = args.get("name");
 144         updateName(name.c_str());
 145         setPitch(args.getFloat("pitch"));
 146         setYaw(args.getFloat("yaw"));
 147         setPosition(args.getV3F("position"));
 148         try{
 149                 hp = args.getS32("hp");
 150         }catch(SettingNotFoundException &e){
 151                 hp = 20;
 152         }
 153
 154         inventory.deSerialize(is);
 155
 156         if(inventory.getList("craftpreview") == NULL)
 157         {
 158                 // Convert players without craftpreview
 159                 inventory.addList("craftpreview", 1);
 160
 161                 bool craftresult_is_preview = true;
 162                 if(args.exists("craftresult_is_preview"))
 163                         craftresult_is_preview = args.getBool("craftresult_is_preview");
 164                 if(craftresult_is_preview)
 165                 {
 166                         // Clear craftresult
 167                         inventory.getList("craftresult")->changeItem(0, ItemStack());
 168                 }
 169         }
 170 }
 171
 172 /*
 173         RemotePlayer
 174 */
 175
 176
 177
 178
 179
 180 void RemotePlayer::setPosition(const v3f &position)
 181 {
 182         Player::setPosition(position);
 183         if(m_sao)
 184                 m_sao->setBasePosition(position);
 185 }