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