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- /*
- Minetest
- Copyright (C) 2010-2013 celeron55, Perttu Ahola <celeron55@gmail.com>
- This program is free software; you can redistribute it and/or modify
- it under the terms of the GNU Lesser General Public License as published by
- the Free Software Foundation; either version 2.1 of the License, or
- (at your option) any later version.
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU Lesser General Public License for more details.
- You should have received a copy of the GNU Lesser General Public License along
- with this program; if not, write to the Free Software Foundation, Inc.,
- 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
- */
- #include "player.h"
- #include "hud.h"
- #include "constants.h"
- #include "gamedef.h"
- #include "settings.h"
- #include "content_sao.h"
- #include "util/numeric.h"
- Player::Player(IGameDef *gamedef):
- touching_ground(false),
- in_liquid(false),
- in_liquid_stable(false),
- liquid_viscosity(0),
- is_climbing(false),
- swimming_vertical(false),
- camera_barely_in_ceiling(false),
- light(0),
- inventory(gamedef->idef()),
- hp(PLAYER_MAX_HP),
- hurt_tilt_timer(0),
- hurt_tilt_strength(0),
- peer_id(PEER_ID_INEXISTENT),
- keyPressed(0),
- // protected
- m_gamedef(gamedef),
- m_breath(-1),
- m_pitch(0),
- m_yaw(0),
- m_speed(0,0,0),
- m_position(0,0,0),
- m_collisionbox(-BS*0.30,0.0,-BS*0.30,BS*0.30,BS*1.75,BS*0.30),
- m_last_pitch(0),
- m_last_yaw(0),
- m_last_pos(0,0,0),
- m_last_hp(PLAYER_MAX_HP),
- m_last_inventory(gamedef->idef())
- {
- updateName("<not set>");
- inventory.clear();
- inventory.addList("main", PLAYER_INVENTORY_SIZE);
- InventoryList *craft = inventory.addList("craft", 9);
- craft->setWidth(3);
- inventory.addList("craftpreview", 1);
- inventory.addList("craftresult", 1);
- m_last_inventory = inventory;
- // Can be redefined via Lua
- inventory_formspec = "size[8,7.5]"
- //"image[1,0.6;1,2;player.png]"
- "list[current_player;main;0,3.5;8,4;]"
- "list[current_player;craft;3,0;3,3;]"
- "list[current_player;craftpreview;7,1;1,1;]";
- // Initialize movement settings at default values, so movement can work if the server fails to send them
- movement_acceleration_default = 3 * BS;
- movement_acceleration_air = 2 * BS;
- movement_acceleration_fast = 10 * BS;
- movement_speed_walk = 4 * BS;
- movement_speed_crouch = 1.35 * BS;
- movement_speed_fast = 20 * BS;
- movement_speed_climb = 2 * BS;
- movement_speed_jump = 6.5 * BS;
- movement_liquid_fluidity = 1 * BS;
- movement_liquid_fluidity_smooth = 0.5 * BS;
- movement_liquid_sink = 10 * BS;
- movement_gravity = 9.81 * BS;
- // Movement overrides are multipliers and must be 1 by default
- physics_override_speed = 1;
- physics_override_jump = 1;
- physics_override_gravity = 1;
- physics_override_sneak = true;
- physics_override_sneak_glitch = true;
- hud_flags = HUD_FLAG_HOTBAR_VISIBLE | HUD_FLAG_HEALTHBAR_VISIBLE |
- HUD_FLAG_CROSSHAIR_VISIBLE | HUD_FLAG_WIELDITEM_VISIBLE |
- HUD_FLAG_BREATHBAR_VISIBLE;
- hud_hotbar_itemcount = HUD_HOTBAR_ITEMCOUNT_DEFAULT;
- }
- Player::~Player()
- {
- clearHud();
- }
- // Horizontal acceleration (X and Z), Y direction is ignored
- void Player::accelerateHorizontal(v3f target_speed, f32 max_increase)
- {
- if(max_increase == 0)
- return;
- v3f d_wanted = target_speed - m_speed;
- d_wanted.Y = 0;
- f32 dl = d_wanted.getLength();
- if(dl > max_increase)
- dl = max_increase;
-
- v3f d = d_wanted.normalize() * dl;
- m_speed.X += d.X;
- m_speed.Z += d.Z;
- #if 0 // old code
- if(m_speed.X < target_speed.X - max_increase)
- m_speed.X += max_increase;
- else if(m_speed.X > target_speed.X + max_increase)
- m_speed.X -= max_increase;
- else if(m_speed.X < target_speed.X)
- m_speed.X = target_speed.X;
- else if(m_speed.X > target_speed.X)
- m_speed.X = target_speed.X;
- if(m_speed.Z < target_speed.Z - max_increase)
- m_speed.Z += max_increase;
- else if(m_speed.Z > target_speed.Z + max_increase)
- m_speed.Z -= max_increase;
- else if(m_speed.Z < target_speed.Z)
- m_speed.Z = target_speed.Z;
- else if(m_speed.Z > target_speed.Z)
- m_speed.Z = target_speed.Z;
- #endif
- }
- // Vertical acceleration (Y), X and Z directions are ignored
- void Player::accelerateVertical(v3f target_speed, f32 max_increase)
- {
- if(max_increase == 0)
- return;
- f32 d_wanted = target_speed.Y - m_speed.Y;
- if(d_wanted > max_increase)
- d_wanted = max_increase;
- else if(d_wanted < -max_increase)
- d_wanted = -max_increase;
- m_speed.Y += d_wanted;
- #if 0 // old code
- if(m_speed.Y < target_speed.Y - max_increase)
- m_speed.Y += max_increase;
- else if(m_speed.Y > target_speed.Y + max_increase)
- m_speed.Y -= max_increase;
- else if(m_speed.Y < target_speed.Y)
- m_speed.Y = target_speed.Y;
- else if(m_speed.Y > target_speed.Y)
- m_speed.Y = target_speed.Y;
- #endif
- }
- v3s16 Player::getLightPosition() const
- {
- return floatToInt(m_position + v3f(0,BS+BS/2,0), BS);
- }
- void Player::serialize(std::ostream &os)
- {
- // Utilize a Settings object for storing values
- Settings args;
- args.setS32("version", 1);
- args.set("name", m_name);
- //args.set("password", m_password);
- args.setFloat("pitch", m_pitch);
- args.setFloat("yaw", m_yaw);
- args.setV3F("position", m_position);
- args.setS32("hp", hp);
- args.setS32("breath", m_breath);
- args.writeLines(os);
- os<<"PlayerArgsEnd\n";
- inventory.serialize(os);
- }
- void Player::deSerialize(std::istream &is, std::string playername)
- {
- Settings args;
-
- for(;;)
- {
- if(is.eof())
- throw SerializationError
- (("Player::deSerialize(): PlayerArgsEnd of player \"" + playername + "\" not found").c_str());
- std::string line;
- std::getline(is, line);
- std::string trimmedline = trim(line);
- if(trimmedline == "PlayerArgsEnd")
- break;
- args.parseConfigLine(line);
- }
- //args.getS32("version"); // Version field value not used
- std::string name = args.get("name");
- updateName(name.c_str());
- setPitch(args.getFloat("pitch"));
- setYaw(args.getFloat("yaw"));
- setPosition(args.getV3F("position"));
- try{
- hp = args.getS32("hp");
- }catch(SettingNotFoundException &e) {
- hp = 20;
- }
- try{
- m_breath = args.getS32("breath");
- }catch(SettingNotFoundException &e) {
- m_breath = 11;
- }
- inventory.deSerialize(is);
- if(inventory.getList("craftpreview") == NULL) {
- // Convert players without craftpreview
- inventory.addList("craftpreview", 1);
- bool craftresult_is_preview = true;
- if(args.exists("craftresult_is_preview"))
- craftresult_is_preview = args.getBool("craftresult_is_preview");
- if(craftresult_is_preview)
- {
- // Clear craftresult
- inventory.getList("craftresult")->changeItem(0, ItemStack());
- }
- }
- // Set m_last_*
- checkModified();
- }
- u32 Player::addHud(HudElement *toadd)
- {
- u32 id = getFreeHudID();
- if (id < hud.size())
- hud[id] = toadd;
- else
- hud.push_back(toadd);
- return id;
- }
- HudElement* Player::getHud(u32 id)
- {
- if (id < hud.size())
- return hud[id];
- return NULL;
- }
- HudElement* Player::removeHud(u32 id)
- {
- HudElement* retval = NULL;
- if (id < hud.size()) {
- retval = hud[id];
- hud[id] = NULL;
- }
- return retval;
- }
- void Player::clearHud()
- {
- while(!hud.empty()) {
- delete hud.back();
- hud.pop_back();
- }
- }
- void RemotePlayer::save(std::string savedir)
- {
- /*
- * We have to open all possible player files in the players directory
- * and check their player names because some file systems are not
- * case-sensitive and player names are case-sensitive.
- */
- // A player to deserialize files into to check their names
- RemotePlayer testplayer(m_gamedef);
- savedir += DIR_DELIM;
- std::string path = savedir + m_name;
- for (u32 i = 0; i < PLAYER_FILE_ALTERNATE_TRIES; i++) {
- if (!fs::PathExists(path)) {
- // Open file and serialize
- std::ostringstream ss(std::ios_base::binary);
- serialize(ss);
- if (!fs::safeWriteToFile(path, ss.str())) {
- infostream << "Failed to write " << path << std::endl;
- }
- return;
- }
- // Open file and deserialize
- std::ifstream is(path.c_str(), std::ios_base::binary);
- if (!is.good()) {
- infostream << "Failed to open " << path << std::endl;
- return;
- }
- testplayer.deSerialize(is, path);
- is.close();
- if (strcmp(testplayer.getName(), m_name) == 0) {
- // Open file and serialize
- std::ostringstream ss(std::ios_base::binary);
- serialize(ss);
- if (!fs::safeWriteToFile(path, ss.str())) {
- infostream << "Failed to write " << path << std::endl;
- }
- return;
- }
- path = savedir + m_name + itos(i);
- }
- infostream << "Didn't find free file for player " << m_name << std::endl;
- return;
- }
- /*
- RemotePlayer
- */
- void RemotePlayer::setPosition(const v3f &position)
- {
- Player::setPosition(position);
- if(m_sao)
- m_sao->setBasePosition(position);
- }
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