Line data Source code
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 <fstream>
23 : #include "jthread/jmutexautolock.h"
24 : #include "util/numeric.h"
25 : #include "hud.h"
26 : #include "constants.h"
27 : #include "gamedef.h"
28 : #include "settings.h"
29 : #include "content_sao.h"
30 : #include "filesys.h"
31 : #include "log.h"
32 : #include "porting.h" // strlcpy
33 :
34 :
35 1 : Player::Player(IGameDef *gamedef, const char *name):
36 : touching_ground(false),
37 : in_liquid(false),
38 : in_liquid_stable(false),
39 : liquid_viscosity(0),
40 : is_climbing(false),
41 : swimming_vertical(false),
42 : camera_barely_in_ceiling(false),
43 : inventory(gamedef->idef()),
44 : hp(PLAYER_MAX_HP),
45 : hurt_tilt_timer(0),
46 : hurt_tilt_strength(0),
47 : peer_id(PEER_ID_INEXISTENT),
48 : keyPressed(0),
49 : // protected
50 : m_gamedef(gamedef),
51 : m_breath(PLAYER_MAX_BREATH),
52 : m_pitch(0),
53 : m_yaw(0),
54 : m_speed(0,0,0),
55 : m_position(0,0,0),
56 : m_collisionbox(-BS*0.30,0.0,-BS*0.30,BS*0.30,BS*1.75,BS*0.30),
57 1 : m_dirty(false)
58 : {
59 1 : strlcpy(m_name, name, PLAYERNAME_SIZE);
60 :
61 1 : inventory.clear();
62 1 : inventory.addList("main", PLAYER_INVENTORY_SIZE);
63 1 : InventoryList *craft = inventory.addList("craft", 9);
64 1 : craft->setWidth(3);
65 1 : inventory.addList("craftpreview", 1);
66 1 : inventory.addList("craftresult", 1);
67 1 : inventory.setModified(false);
68 :
69 : // Can be redefined via Lua
70 1 : inventory_formspec = "size[8,7.5]"
71 : //"image[1,0.6;1,2;player.png]"
72 : "list[current_player;main;0,3.5;8,4;]"
73 : "list[current_player;craft;3,0;3,3;]"
74 : "listring[]"
75 1 : "list[current_player;craftpreview;7,1;1,1;]";
76 :
77 : // Initialize movement settings at default values, so movement can work if the server fails to send them
78 1 : movement_acceleration_default = 3 * BS;
79 1 : movement_acceleration_air = 2 * BS;
80 1 : movement_acceleration_fast = 10 * BS;
81 1 : movement_speed_walk = 4 * BS;
82 1 : movement_speed_crouch = 1.35 * BS;
83 1 : movement_speed_fast = 20 * BS;
84 1 : movement_speed_climb = 2 * BS;
85 1 : movement_speed_jump = 6.5 * BS;
86 1 : movement_liquid_fluidity = 1 * BS;
87 1 : movement_liquid_fluidity_smooth = 0.5 * BS;
88 1 : movement_liquid_sink = 10 * BS;
89 1 : movement_gravity = 9.81 * BS;
90 1 : local_animation_speed = 0.0;
91 :
92 : // Movement overrides are multipliers and must be 1 by default
93 1 : physics_override_speed = 1;
94 1 : physics_override_jump = 1;
95 1 : physics_override_gravity = 1;
96 1 : physics_override_sneak = true;
97 1 : physics_override_sneak_glitch = true;
98 :
99 : hud_flags = HUD_FLAG_HOTBAR_VISIBLE | HUD_FLAG_HEALTHBAR_VISIBLE |
100 : HUD_FLAG_CROSSHAIR_VISIBLE | HUD_FLAG_WIELDITEM_VISIBLE |
101 1 : HUD_FLAG_BREATHBAR_VISIBLE;
102 :
103 1 : hud_hotbar_itemcount = HUD_HOTBAR_ITEMCOUNT_DEFAULT;
104 1 : }
105 :
106 2 : Player::~Player()
107 : {
108 1 : clearHud();
109 1 : }
110 :
111 : // Horizontal acceleration (X and Z), Y direction is ignored
112 1186 : void Player::accelerateHorizontal(v3f target_speed, f32 max_increase)
113 : {
114 1186 : if(max_increase == 0)
115 0 : return;
116 :
117 1186 : v3f d_wanted = target_speed - m_speed;
118 1186 : d_wanted.Y = 0;
119 1186 : f32 dl = d_wanted.getLength();
120 1186 : if(dl > max_increase)
121 278 : dl = max_increase;
122 :
123 1186 : v3f d = d_wanted.normalize() * dl;
124 :
125 1186 : m_speed.X += d.X;
126 1186 : m_speed.Z += d.Z;
127 :
128 : #if 0 // old code
129 : if(m_speed.X < target_speed.X - max_increase)
130 : m_speed.X += max_increase;
131 : else if(m_speed.X > target_speed.X + max_increase)
132 : m_speed.X -= max_increase;
133 : else if(m_speed.X < target_speed.X)
134 : m_speed.X = target_speed.X;
135 : else if(m_speed.X > target_speed.X)
136 : m_speed.X = target_speed.X;
137 :
138 : if(m_speed.Z < target_speed.Z - max_increase)
139 : m_speed.Z += max_increase;
140 : else if(m_speed.Z > target_speed.Z + max_increase)
141 : m_speed.Z -= max_increase;
142 : else if(m_speed.Z < target_speed.Z)
143 : m_speed.Z = target_speed.Z;
144 : else if(m_speed.Z > target_speed.Z)
145 : m_speed.Z = target_speed.Z;
146 : #endif
147 : }
148 :
149 : // Vertical acceleration (Y), X and Z directions are ignored
150 1186 : void Player::accelerateVertical(v3f target_speed, f32 max_increase)
151 : {
152 1186 : if(max_increase == 0)
153 2 : return;
154 :
155 1184 : f32 d_wanted = target_speed.Y - m_speed.Y;
156 1184 : if(d_wanted > max_increase)
157 0 : d_wanted = max_increase;
158 1184 : else if(d_wanted < -max_increase)
159 0 : d_wanted = -max_increase;
160 :
161 1184 : m_speed.Y += d_wanted;
162 :
163 : #if 0 // old code
164 : if(m_speed.Y < target_speed.Y - max_increase)
165 : m_speed.Y += max_increase;
166 : else if(m_speed.Y > target_speed.Y + max_increase)
167 : m_speed.Y -= max_increase;
168 : else if(m_speed.Y < target_speed.Y)
169 : m_speed.Y = target_speed.Y;
170 : else if(m_speed.Y > target_speed.Y)
171 : m_speed.Y = target_speed.Y;
172 : #endif
173 : }
174 :
175 1186 : v3s16 Player::getLightPosition() const
176 : {
177 1186 : return floatToInt(m_position + v3f(0,BS+BS/2,0), BS);
178 : }
179 :
180 0 : void Player::serialize(std::ostream &os)
181 : {
182 : // Utilize a Settings object for storing values
183 0 : Settings args;
184 0 : args.setS32("version", 1);
185 0 : args.set("name", m_name);
186 : //args.set("password", m_password);
187 0 : args.setFloat("pitch", m_pitch);
188 0 : args.setFloat("yaw", m_yaw);
189 0 : args.setV3F("position", m_position);
190 0 : args.setS32("hp", hp);
191 0 : args.setS32("breath", m_breath);
192 :
193 0 : args.writeLines(os);
194 :
195 0 : os<<"PlayerArgsEnd\n";
196 :
197 0 : inventory.serialize(os);
198 0 : }
199 :
200 0 : void Player::deSerialize(std::istream &is, std::string playername)
201 : {
202 0 : Settings args;
203 :
204 0 : if (!args.parseConfigLines(is, "PlayerArgsEnd")) {
205 0 : throw SerializationError("PlayerArgsEnd of player " +
206 0 : playername + " not found!");
207 : }
208 :
209 0 : m_dirty = true;
210 : //args.getS32("version"); // Version field value not used
211 0 : std::string name = args.get("name");
212 0 : strlcpy(m_name, name.c_str(), PLAYERNAME_SIZE);
213 0 : setPitch(args.getFloat("pitch"));
214 0 : setYaw(args.getFloat("yaw"));
215 0 : setPosition(args.getV3F("position"));
216 : try{
217 0 : hp = args.getS32("hp");
218 0 : }catch(SettingNotFoundException &e) {
219 0 : hp = PLAYER_MAX_HP;
220 : }
221 : try{
222 0 : m_breath = args.getS32("breath");
223 0 : }catch(SettingNotFoundException &e) {
224 0 : m_breath = PLAYER_MAX_BREATH;
225 : }
226 :
227 0 : inventory.deSerialize(is);
228 :
229 0 : if(inventory.getList("craftpreview") == NULL) {
230 : // Convert players without craftpreview
231 0 : inventory.addList("craftpreview", 1);
232 :
233 0 : bool craftresult_is_preview = true;
234 0 : if(args.exists("craftresult_is_preview"))
235 0 : craftresult_is_preview = args.getBool("craftresult_is_preview");
236 0 : if(craftresult_is_preview)
237 : {
238 : // Clear craftresult
239 0 : inventory.getList("craftresult")->changeItem(0, ItemStack());
240 : }
241 : }
242 0 : }
243 :
244 2 : u32 Player::addHud(HudElement *toadd)
245 : {
246 4 : JMutexAutoLock lock(m_mutex);
247 :
248 2 : u32 id = getFreeHudID();
249 :
250 2 : if (id < hud.size())
251 0 : hud[id] = toadd;
252 : else
253 2 : hud.push_back(toadd);
254 :
255 4 : return id;
256 : }
257 :
258 2349 : HudElement* Player::getHud(u32 id)
259 : {
260 4698 : JMutexAutoLock lock(m_mutex);
261 :
262 2349 : if (id < hud.size())
263 2345 : return hud[id];
264 :
265 4 : return NULL;
266 : }
267 :
268 0 : HudElement* Player::removeHud(u32 id)
269 : {
270 0 : JMutexAutoLock lock(m_mutex);
271 :
272 0 : HudElement* retval = NULL;
273 0 : if (id < hud.size()) {
274 0 : retval = hud[id];
275 0 : hud[id] = NULL;
276 : }
277 0 : return retval;
278 : }
279 :
280 1 : void Player::clearHud()
281 : {
282 2 : JMutexAutoLock lock(m_mutex);
283 :
284 5 : while(!hud.empty()) {
285 2 : delete hud.back();
286 2 : hud.pop_back();
287 : }
288 1 : }
289 :
290 :
291 0 : void RemotePlayer::save(std::string savedir)
292 : {
293 : /*
294 : * We have to open all possible player files in the players directory
295 : * and check their player names because some file systems are not
296 : * case-sensitive and player names are case-sensitive.
297 : */
298 :
299 : // A player to deserialize files into to check their names
300 0 : RemotePlayer testplayer(m_gamedef, "");
301 :
302 0 : savedir += DIR_DELIM;
303 0 : std::string path = savedir + m_name;
304 0 : for (u32 i = 0; i < PLAYER_FILE_ALTERNATE_TRIES; i++) {
305 0 : if (!fs::PathExists(path)) {
306 : // Open file and serialize
307 0 : std::ostringstream ss(std::ios_base::binary);
308 0 : serialize(ss);
309 0 : if (!fs::safeWriteToFile(path, ss.str())) {
310 0 : infostream << "Failed to write " << path << std::endl;
311 : }
312 0 : setModified(false);
313 0 : return;
314 : }
315 : // Open file and deserialize
316 0 : std::ifstream is(path.c_str(), std::ios_base::binary);
317 0 : if (!is.good()) {
318 0 : infostream << "Failed to open " << path << std::endl;
319 0 : return;
320 : }
321 0 : testplayer.deSerialize(is, path);
322 0 : is.close();
323 0 : if (strcmp(testplayer.getName(), m_name) == 0) {
324 : // Open file and serialize
325 0 : std::ostringstream ss(std::ios_base::binary);
326 0 : serialize(ss);
327 0 : if (!fs::safeWriteToFile(path, ss.str())) {
328 0 : infostream << "Failed to write " << path << std::endl;
329 : }
330 0 : setModified(false);
331 0 : return;
332 : }
333 0 : path = savedir + m_name + itos(i);
334 : }
335 :
336 0 : infostream << "Didn't find free file for player " << m_name << std::endl;
337 0 : return;
338 : }
339 :
340 : /*
341 : RemotePlayer
342 : */
343 0 : void RemotePlayer::setPosition(const v3f &position)
344 : {
345 0 : Player::setPosition(position);
346 0 : if(m_sao)
347 0 : m_sao->setBasePosition(position);
348 3 : }
349 :
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