src/player.cpp

   1 /*
   2 Minetest
   3 Copyright (C) 2010-2013 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
  22 #include "threading/mutex_auto_lock.h"
  23 #include "util/numeric.h"
  24 #include "hud.h"
  25 #include "constants.h"
  26 #include "gamedef.h"
  27 #include "settings.h"
  28 #include "log.h"
  29 #include "porting.h"  // strlcpy
  30
  31
  32 Player::Player(const char *name, IItemDefManager *idef):
  33         inventory(idef)
  34 {
  35         strlcpy(m_name, name, PLAYERNAME_SIZE);
  36
  37         inventory.clear();
  38         inventory.addList("main", PLAYER_INVENTORY_SIZE);
  39         InventoryList *craft = inventory.addList("craft", 9);
  40         craft->setWidth(3);
  41         inventory.addList("craftpreview", 1);
  42         inventory.addList("craftresult", 1);
  43         inventory.setModified(false);
  44
  45         // Can be redefined via Lua
  46         inventory_formspec = "size[8,7.5]"
  47                 //"image[1,0.6;1,2;player.png]"
  48                 "list[current_player;main;0,3.5;8,4;]"
  49                 "list[current_player;craft;3,0;3,3;]"
  50                 "listring[]"
  51                 "list[current_player;craftpreview;7,1;1,1;]";
  52
  53         // Initialize movement settings at default values, so movement can work
  54         // if the server fails to send them
  55         movement_acceleration_default   = 3    * BS;
  56         movement_acceleration_air       = 2    * BS;
  57         movement_acceleration_fast      = 10   * BS;
  58         movement_speed_walk             = 4    * BS;
  59         movement_speed_crouch           = 1.35 * BS;
  60         movement_speed_fast             = 20   * BS;
  61         movement_speed_climb            = 2    * BS;
  62         movement_speed_jump             = 6.5  * BS;
  63         movement_liquid_fluidity        = 1    * BS;
  64         movement_liquid_fluidity_smooth = 0.5  * BS;
  65         movement_liquid_sink            = 10   * BS;
  66         movement_gravity                = 9.81 * BS;
  67         local_animation_speed           = 0.0;
  68
  69         hud_flags =
  70                 HUD_FLAG_HOTBAR_VISIBLE    | HUD_FLAG_HEALTHBAR_VISIBLE |
  71                 HUD_FLAG_CROSSHAIR_VISIBLE | HUD_FLAG_WIELDITEM_VISIBLE |
  72                 HUD_FLAG_BREATHBAR_VISIBLE | HUD_FLAG_MINIMAP_VISIBLE   |
  73                 HUD_FLAG_MINIMAP_RADAR_VISIBLE;
  74
  75         hud_hotbar_itemcount = HUD_HOTBAR_ITEMCOUNT_DEFAULT;
  76
  77         m_player_settings.readGlobalSettings();
  78         // Register player setting callbacks
  79         for (const std::string &name : m_player_settings.setting_names)
  80                 g_settings->registerChangedCallback(name,
  81                         &Player::settingsChangedCallback, &m_player_settings);
  82 }
  83
  84 Player::~Player()
  85 {
  86         // m_player_settings becomes invalid, remove callbacks
  87         for (const std::string &name : m_player_settings.setting_names)
  88                 g_settings->deregisterChangedCallback(name,
  89                         &Player::settingsChangedCallback, &m_player_settings);
  90         clearHud();
  91 }
  92
  93 void Player::setWieldIndex(u16 index)
  94 {
  95         const InventoryList *mlist = inventory.getList("main");
  96         m_wield_index = MYMIN(index, mlist ? mlist->getSize() : 0);
  97 }
  98
  99 ItemStack &Player::getWieldedItem(ItemStack *selected, ItemStack *hand) const
 100 {
 101         assert(selected);
 102
 103         const InventoryList *mlist = inventory.getList("main"); // TODO: Make this generic
 104         const InventoryList *hlist = inventory.getList("hand");
 105
 106         if (mlist && m_wield_index < mlist->getSize())
 107                 *selected = mlist->getItem(m_wield_index);
 108
 109         if (hand && hlist)
 110                 *hand = hlist->getItem(0);
 111
 112         // Return effective tool item
 113         return (hand && selected->name.empty()) ? *hand : *selected;
 114 }
 115
 116 u32 Player::addHud(HudElement *toadd)
 117 {
 118         MutexAutoLock lock(m_mutex);
 119
 120         u32 id = getFreeHudID();
 121
 122         if (id < hud.size())
 123                 hud[id] = toadd;
 124         else
 125                 hud.push_back(toadd);
 126
 127         return id;
 128 }
 129
 130 HudElement* Player::getHud(u32 id)
 131 {
 132         MutexAutoLock lock(m_mutex);
 133
 134         if (id < hud.size())
 135                 return hud[id];
 136
 137         return NULL;
 138 }
 139
 140 HudElement* Player::removeHud(u32 id)
 141 {
 142         MutexAutoLock lock(m_mutex);
 143
 144         HudElement* retval = NULL;
 145         if (id < hud.size()) {
 146                 retval = hud[id];
 147                 hud[id] = NULL;
 148         }
 149         return retval;
 150 }
 151
 152 void Player::clearHud()
 153 {
 154         MutexAutoLock lock(m_mutex);
 155
 156         while(!hud.empty()) {
 157                 delete hud.back();
 158                 hud.pop_back();
 159         }
 160 }
 161
 162 void PlayerSettings::readGlobalSettings()
 163 {
 164         free_move = g_settings->getBool("free_move");
 165         pitch_move = g_settings->getBool("pitch_move");
 166         fast_move = g_settings->getBool("fast_move");
 167         continuous_forward = g_settings->getBool("continuous_forward");
 168         always_fly_fast = g_settings->getBool("always_fly_fast");
 169         aux1_descends = g_settings->getBool("aux1_descends");
 170         noclip = g_settings->getBool("noclip");
 171         autojump = g_settings->getBool("autojump");
 172 }
 173
 174 void Player::settingsChangedCallback(const std::string &name, void *data)
 175 {
 176         ((PlayerSettings *)data)->readGlobalSettings();
 177 }