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 General Public License as published by
   7 the Free Software Foundation; either version 2 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 General Public License for more details.
  14
  15 You should have received a copy of the GNU 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 "map.h"
  22 #include "connection.h"
  23 #include "constants.h"
  24 #include "utility.h"
  25 #ifndef SERVER
  26 #include <ITextSceneNode.h>
  27 #endif
  28 #include "main.h" // For g_settings
  29 #include "settings.h"
  30 #include "nodedef.h"
  31 #include "collision.h"
  32 #include "environment.h"
  33 #include "gamedef.h"
  34 #include "event.h"
  35 #include "content_sao.h"
  36
  37 Player::Player(IGameDef *gamedef):
  38         touching_ground(false),
  39         in_water(false),
  40         in_water_stable(false),
  41         is_climbing(false),
  42         swimming_up(false),
  43         camera_barely_in_ceiling(false),
  44         inventory(gamedef->idef()),
  45         hp(PLAYER_MAX_HP),
  46         peer_id(PEER_ID_INEXISTENT),
  47 // protected
  48         m_gamedef(gamedef),
  49         m_pitch(0),
  50         m_yaw(0),
  51         m_speed(0,0,0),
  52         m_position(0,0,0)
  53 {
  54         updateName("<not set>");
  55         inventory.clear();
  56         inventory.addList("main", PLAYER_INVENTORY_SIZE);
  57         inventory.addList("craft", 9);
  58         inventory.addList("craftpreview", 1);
  59         inventory.addList("craftresult", 1);
  60 }
  61
  62 Player::~Player()
  63 {
  64 }
  65
  66 // Y direction is ignored
  67 void Player::accelerate(v3f target_speed, f32 max_increase)
  68 {
  69         v3f d_wanted = target_speed - m_speed;
  70         d_wanted.Y = 0;
  71         f32 dl_wanted = d_wanted.getLength();
  72         f32 dl = dl_wanted;
  73         if(dl > max_increase)
  74                 dl = max_increase;
  75
  76         v3f d = d_wanted.normalize() * dl;
  77
  78         m_speed.X += d.X;
  79         m_speed.Z += d.Z;
  80         //m_speed += d;
  81
  82 #if 0 // old code
  83         if(m_speed.X < target_speed.X - max_increase)
  84                 m_speed.X += max_increase;
  85         else if(m_speed.X > target_speed.X + max_increase)
  86                 m_speed.X -= max_increase;
  87         else if(m_speed.X < target_speed.X)
  88                 m_speed.X = target_speed.X;
  89         else if(m_speed.X > target_speed.X)
  90                 m_speed.X = target_speed.X;
  91
  92         if(m_speed.Z < target_speed.Z - max_increase)
  93                 m_speed.Z += max_increase;
  94         else if(m_speed.Z > target_speed.Z + max_increase)
  95                 m_speed.Z -= max_increase;
  96         else if(m_speed.Z < target_speed.Z)
  97                 m_speed.Z = target_speed.Z;
  98         else if(m_speed.Z > target_speed.Z)
  99                 m_speed.Z = target_speed.Z;
 100 #endif
 101 }
 102
 103 v3s16 Player::getLightPosition() const
 104 {
 105         return floatToInt(m_position + v3f(0,BS+BS/2,0), BS);
 106 }
 107
 108 void Player::serialize(std::ostream &os)
 109 {
 110         // Utilize a Settings object for storing values
 111         Settings args;
 112         args.setS32("version", 1);
 113         args.set("name", m_name);
 114         //args.set("password", m_password);
 115         args.setFloat("pitch", m_pitch);
 116         args.setFloat("yaw", m_yaw);
 117         args.setV3F("position", m_position);
 118         args.setS32("hp", hp);
 119
 120         args.writeLines(os);
 121
 122         os<<"PlayerArgsEnd\n";
 123
 124         inventory.serialize(os);
 125 }
 126
 127 void Player::deSerialize(std::istream &is)
 128 {
 129         Settings args;
 130
 131         for(;;)
 132         {
 133                 if(is.eof())
 134                         throw SerializationError
 135                                         ("Player::deSerialize(): PlayerArgsEnd not found");
 136                 std::string line;
 137                 std::getline(is, line);
 138                 std::string trimmedline = trim(line);
 139                 if(trimmedline == "PlayerArgsEnd")
 140                         break;
 141                 args.parseConfigLine(line);
 142         }
 143
 144         //args.getS32("version"); // Version field value not used
 145         std::string name = args.get("name");
 146         updateName(name.c_str());
 147         setPitch(args.getFloat("pitch"));
 148         setYaw(args.getFloat("yaw"));
 149         setPosition(args.getV3F("position"));
 150         try{
 151                 hp = args.getS32("hp");
 152         }catch(SettingNotFoundException &e){
 153                 hp = 20;
 154         }
 155
 156         inventory.deSerialize(is);
 157
 158         if(inventory.getList("craftpreview") == NULL)
 159         {
 160                 // Convert players without craftpreview
 161                 inventory.addList("craftpreview", 1);
 162
 163                 bool craftresult_is_preview = true;
 164                 if(args.exists("craftresult_is_preview"))
 165                         craftresult_is_preview = args.getBool("craftresult_is_preview");
 166                 if(craftresult_is_preview)
 167                 {
 168                         // Clear craftresult
 169                         inventory.getList("craftresult")->changeItem(0, ItemStack());
 170                 }
 171         }
 172 }
 173
 174 #ifndef SERVER
 175 /*
 176         LocalPlayer
 177 */
 178
 179 LocalPlayer::LocalPlayer(IGameDef *gamedef):
 180         Player(gamedef),
 181         m_sneak_node(32767,32767,32767),
 182         m_sneak_node_exists(false)
 183 {
 184         // Initialize hp to 0, so that no hearts will be shown if server
 185         // doesn't support health points
 186         hp = 0;
 187 }
 188
 189 LocalPlayer::~LocalPlayer()
 190 {
 191 }
 192
 193 void LocalPlayer::move(f32 dtime, Map &map, f32 pos_max_d,
 194                 core::list<CollisionInfo> *collision_info)
 195 {
 196         INodeDefManager *nodemgr = m_gamedef->ndef();
 197
 198         v3f position = getPosition();
 199         v3f oldpos = position;
 200         v3s16 oldpos_i = floatToInt(oldpos, BS);
 201
 202         v3f old_speed = m_speed;
 203
 204         /*std::cout<<"oldpos_i=("<<oldpos_i.X<<","<<oldpos_i.Y<<","
 205                         <<oldpos_i.Z<<")"<<std::endl;*/
 206
 207         /*
 208                 Calculate new position
 209         */
 210         position += m_speed * dtime;
 211
 212         // Skip collision detection if a special movement mode is used
 213         bool free_move = g_settings->getBool("free_move");
 214         if(free_move)
 215         {
 216                 setPosition(position);
 217                 return;
 218         }
 219
 220         /*
 221                 Collision detection
 222         */
 223
 224         // Player position in nodes
 225         v3s16 pos_i = floatToInt(position, BS);
 226
 227         /*
 228                 Check if player is in water (the oscillating value)
 229         */
 230         try{
 231                 // If in water, the threshold of coming out is at higher y
 232                 if(in_water)
 233                 {
 234                         v3s16 pp = floatToInt(position + v3f(0,BS*0.1,0), BS);
 235                         in_water = nodemgr->get(map.getNode(pp).getContent()).isLiquid();
 236                 }
 237                 // If not in water, the threshold of going in is at lower y
 238                 else
 239                 {
 240                         v3s16 pp = floatToInt(position + v3f(0,BS*0.5,0), BS);
 241                         in_water = nodemgr->get(map.getNode(pp).getContent()).isLiquid();
 242                 }
 243         }
 244         catch(InvalidPositionException &e)
 245         {
 246                 in_water = false;
 247         }
 248
 249         /*
 250                 Check if player is in water (the stable value)
 251         */
 252         try{
 253                 v3s16 pp = floatToInt(position + v3f(0,0,0), BS);
 254                 in_water_stable = nodemgr->get(map.getNode(pp).getContent()).isLiquid();
 255         }
 256         catch(InvalidPositionException &e)
 257         {
 258                 in_water_stable = false;
 259         }
 260
 261         /*
 262                 Check if player is climbing
 263         */
 264
 265         try {
 266                 v3s16 pp = floatToInt(position + v3f(0,0.5*BS,0), BS);
 267                 v3s16 pp2 = floatToInt(position + v3f(0,-0.2*BS,0), BS);
 268                 is_climbing = ((nodemgr->get(map.getNode(pp).getContent()).climbable ||
 269                 nodemgr->get(map.getNode(pp2).getContent()).climbable) && !free_move);
 270         }
 271         catch(InvalidPositionException &e)
 272         {
 273                 is_climbing = false;
 274         }
 275
 276         /*
 277                 Collision uncertainty radius
 278                 Make it a bit larger than the maximum distance of movement
 279         */
 280         //f32 d = pos_max_d * 1.1;
 281         // A fairly large value in here makes moving smoother
 282         f32 d = 0.15*BS;
 283
 284         // This should always apply, otherwise there are glitches
 285         assert(d > pos_max_d);
 286
 287         float player_radius = BS*0.30;
 288         float player_height = BS*1.55;
 289
 290         // Maximum distance over border for sneaking
 291         f32 sneak_max = BS*0.4;
 292
 293         /*
 294                 If sneaking, player has larger collision radius to keep from
 295                 falling
 296         */
 297         /*if(control.sneak)
 298                 player_radius = sneak_max + d*1.1;*/
 299
 300         /*
 301                 If sneaking, keep in range from the last walked node and don't
 302                 fall off from it
 303         */
 304         if(control.sneak && m_sneak_node_exists)
 305         {
 306                 f32 maxd = 0.5*BS + sneak_max;
 307                 v3f lwn_f = intToFloat(m_sneak_node, BS);
 308                 position.X = rangelim(position.X, lwn_f.X-maxd, lwn_f.X+maxd);
 309                 position.Z = rangelim(position.Z, lwn_f.Z-maxd, lwn_f.Z+maxd);
 310
 311                 f32 min_y = lwn_f.Y + 0.5*BS;
 312                 if(position.Y < min_y)
 313                 {
 314                         position.Y = min_y;
 315
 316                         //v3f old_speed = m_speed;
 317
 318                         if(m_speed.Y < 0)
 319                                 m_speed.Y = 0;
 320
 321                         /*if(collision_info)
 322                         {
 323                                 // Report fall collision
 324                                 if(old_speed.Y < m_speed.Y - 0.1)
 325                                 {
 326                                         CollisionInfo info;
 327                                         info.t = COLLISION_FALL;
 328                                         info.speed = m_speed.Y - old_speed.Y;
 329                                         collision_info->push_back(info);
 330                                 }
 331                         }*/
 332                 }
 333         }
 334
 335         /*
 336                 Calculate player collision box (new and old)
 337         */
 338         core::aabbox3d<f32> playerbox(
 339                 position.X - player_radius,
 340                 position.Y - 0.0,
 341                 position.Z - player_radius,
 342                 position.X + player_radius,
 343                 position.Y + player_height,
 344                 position.Z + player_radius
 345         );
 346         core::aabbox3d<f32> playerbox_old(
 347                 oldpos.X - player_radius,
 348                 oldpos.Y - 0.0,
 349                 oldpos.Z - player_radius,
 350                 oldpos.X + player_radius,
 351                 oldpos.Y + player_height,
 352                 oldpos.Z + player_radius
 353         );
 354
 355         /*
 356                 If the player's feet touch the topside of any node, this is
 357                 set to true.
 358
 359                 Player is allowed to jump when this is true.
 360         */
 361         bool touching_ground_was = touching_ground;
 362         touching_ground = false;
 363
 364         /*std::cout<<"Checking collisions for ("
 365                         <<oldpos_i.X<<","<<oldpos_i.Y<<","<<oldpos_i.Z
 366                         <<") -> ("
 367                         <<pos_i.X<<","<<pos_i.Y<<","<<pos_i.Z
 368                         <<"):"<<std::endl;*/
 369
 370         bool standing_on_unloaded = false;
 371
 372         /*
 373                 Go through every node around the player
 374         */
 375         for(s16 y = oldpos_i.Y - 1; y <= oldpos_i.Y + 2; y++)
 376         for(s16 z = oldpos_i.Z - 1; z <= oldpos_i.Z + 1; z++)
 377         for(s16 x = oldpos_i.X - 1; x <= oldpos_i.X + 1; x++)
 378         {
 379                 bool is_unloaded = false;
 380                 try{
 381                         // Player collides into walkable nodes
 382                         if(nodemgr->get(map.getNode(v3s16(x,y,z))).walkable == false)
 383                                 continue;
 384                 }
 385                 catch(InvalidPositionException &e)
 386                 {
 387                         is_unloaded = true;
 388                         // Doing nothing here will block the player from
 389                         // walking over map borders
 390                 }
 391
 392                 core::aabbox3d<f32> nodebox = getNodeBox(v3s16(x,y,z), BS);
 393
 394                 /*
 395                         See if the player is touching ground.
 396
 397                         Player touches ground if player's minimum Y is near node's
 398                         maximum Y and player's X-Z-area overlaps with the node's
 399                         X-Z-area.
 400
 401                         Use 0.15*BS so that it is easier to get on a node.
 402                 */
 403                 if(
 404                                 //fabs(nodebox.MaxEdge.Y-playerbox.MinEdge.Y) < d
 405                                 fabs(nodebox.MaxEdge.Y-playerbox.MinEdge.Y) < 0.15*BS
 406                                 && nodebox.MaxEdge.X-d > playerbox.MinEdge.X
 407                                 && nodebox.MinEdge.X+d < playerbox.MaxEdge.X
 408                                 && nodebox.MaxEdge.Z-d > playerbox.MinEdge.Z
 409                                 && nodebox.MinEdge.Z+d < playerbox.MaxEdge.Z
 410                 ){
 411                         touching_ground = true;
 412                         if(is_unloaded)
 413                                 standing_on_unloaded = true;
 414                 }
 415
 416                 // If player doesn't intersect with node, ignore node.
 417                 if(playerbox.intersectsWithBox(nodebox) == false)
 418                         continue;
 419
 420                 /*
 421                         Go through every axis
 422                 */
 423                 v3f dirs[3] = {
 424                         v3f(0,0,1), // back-front
 425                         v3f(0,1,0), // top-bottom
 426                         v3f(1,0,0), // right-left
 427                 };
 428                 for(u16 i=0; i<3; i++)
 429                 {
 430                         /*
 431                                 Calculate values along the axis
 432                         */
 433                         f32 nodemax = nodebox.MaxEdge.dotProduct(dirs[i]);
 434                         f32 nodemin = nodebox.MinEdge.dotProduct(dirs[i]);
 435                         f32 playermax = playerbox.MaxEdge.dotProduct(dirs[i]);
 436                         f32 playermin = playerbox.MinEdge.dotProduct(dirs[i]);
 437                         f32 playermax_old = playerbox_old.MaxEdge.dotProduct(dirs[i]);
 438                         f32 playermin_old = playerbox_old.MinEdge.dotProduct(dirs[i]);
 439
 440                         /*
 441                                 Check collision for the axis.
 442                                 Collision happens when player is going through a surface.
 443                         */
 444                         /*f32 neg_d = d;
 445                         f32 pos_d = d;
 446                         // Make it easier to get on top of a node
 447                         if(i == 1)
 448                                 neg_d = 0.15*BS;
 449                         bool negative_axis_collides =
 450                                 (nodemax > playermin && nodemax <= playermin_old + neg_d
 451                                         && m_speed.dotProduct(dirs[i]) < 0);
 452                         bool positive_axis_collides =
 453                                 (nodemin < playermax && nodemin >= playermax_old - pos_d
 454                                         && m_speed.dotProduct(dirs[i]) > 0);*/
 455                         bool negative_axis_collides =
 456                                 (nodemax > playermin && nodemax <= playermin_old + d
 457                                         && m_speed.dotProduct(dirs[i]) < 0);
 458                         bool positive_axis_collides =
 459                                 (nodemin < playermax && nodemin >= playermax_old - d
 460                                         && m_speed.dotProduct(dirs[i]) > 0);
 461                         bool main_axis_collides =
 462                                         negative_axis_collides || positive_axis_collides;
 463
 464                         /*
 465                                 Check overlap of player and node in other axes
 466                         */
 467                         bool other_axes_overlap = true;
 468                         for(u16 j=0; j<3; j++)
 469                         {
 470                                 if(j == i)
 471                                         continue;
 472                                 f32 nodemax = nodebox.MaxEdge.dotProduct(dirs[j]);
 473                                 f32 nodemin = nodebox.MinEdge.dotProduct(dirs[j]);
 474                                 f32 playermax = playerbox.MaxEdge.dotProduct(dirs[j]);
 475                                 f32 playermin = playerbox.MinEdge.dotProduct(dirs[j]);
 476                                 if(!(nodemax - d > playermin && nodemin + d < playermax))
 477                                 {
 478                                         other_axes_overlap = false;
 479                                         break;
 480                                 }
 481                         }
 482
 483                         /*
 484                                 If this is a collision, revert the position in the main
 485                                 direction.
 486                         */
 487                         if(other_axes_overlap && main_axis_collides)
 488                         {
 489                                 //v3f old_speed = m_speed;
 490
 491                                 m_speed -= m_speed.dotProduct(dirs[i]) * dirs[i];
 492                                 position -= position.dotProduct(dirs[i]) * dirs[i];
 493                                 position += oldpos.dotProduct(dirs[i]) * dirs[i];
 494
 495                                 /*if(collision_info)
 496                                 {
 497                                         // Report fall collision
 498                                         if(old_speed.Y < m_speed.Y - 0.1)
 499                                         {
 500                                                 CollisionInfo info;
 501                                                 info.t = COLLISION_FALL;
 502                                                 info.speed = m_speed.Y - old_speed.Y;
 503                                                 collision_info->push_back(info);
 504                                         }
 505                                 }*/
 506                         }
 507
 508                 }
 509         } // xyz
 510
 511         /*
 512                 Check the nodes under the player to see from which node the
 513                 player is sneaking from, if any.
 514         */
 515         {
 516                 v3s16 pos_i_bottom = floatToInt(position - v3f(0,BS/2,0), BS);
 517                 v2f player_p2df(position.X, position.Z);
 518                 f32 min_distance_f = 100000.0*BS;
 519                 // If already seeking from some node, compare to it.
 520                 /*if(m_sneak_node_exists)
 521                 {
 522                         v3f sneaknode_pf = intToFloat(m_sneak_node, BS);
 523                         v2f sneaknode_p2df(sneaknode_pf.X, sneaknode_pf.Z);
 524                         f32 d_horiz_f = player_p2df.getDistanceFrom(sneaknode_p2df);
 525                         f32 d_vert_f = fabs(sneaknode_pf.Y + BS*0.5 - position.Y);
 526                         // Ignore if player is not on the same level (likely dropped)
 527                         if(d_vert_f < 0.15*BS)
 528                                 min_distance_f = d_horiz_f;
 529                 }*/
 530                 v3s16 new_sneak_node = m_sneak_node;
 531                 for(s16 x=-1; x<=1; x++)
 532                 for(s16 z=-1; z<=1; z++)
 533                 {
 534                         v3s16 p = pos_i_bottom + v3s16(x,0,z);
 535                         v3f pf = intToFloat(p, BS);
 536                         v2f node_p2df(pf.X, pf.Z);
 537                         f32 distance_f = player_p2df.getDistanceFrom(node_p2df);
 538                         f32 max_axis_distance_f = MYMAX(
 539                                         fabs(player_p2df.X-node_p2df.X),
 540                                         fabs(player_p2df.Y-node_p2df.Y));
 541
 542                         if(distance_f > min_distance_f ||
 543                                         max_axis_distance_f > 0.5*BS + sneak_max + 0.1*BS)
 544                                 continue;
 545
 546                         try{
 547                                 // The node to be sneaked on has to be walkable
 548                                 if(nodemgr->get(map.getNode(p)).walkable == false)
 549                                         continue;
 550                                 // And the node above it has to be nonwalkable
 551                                 if(nodemgr->get(map.getNode(p+v3s16(0,1,0))).walkable == true)
 552                                         continue;
 553                         }
 554                         catch(InvalidPositionException &e)
 555                         {
 556                                 continue;
 557                         }
 558
 559                         min_distance_f = distance_f;
 560                         new_sneak_node = p;
 561                 }
 562
 563                 bool sneak_node_found = (min_distance_f < 100000.0*BS*0.9);
 564
 565                 if(control.sneak && m_sneak_node_exists)
 566                 {
 567                         if(sneak_node_found)
 568                                 m_sneak_node = new_sneak_node;
 569                 }
 570                 else
 571                 {
 572                         m_sneak_node = new_sneak_node;
 573                         m_sneak_node_exists = sneak_node_found;
 574                 }
 575
 576                 /*
 577                         If sneaking, the player's collision box can be in air, so
 578                         this has to be set explicitly
 579                 */
 580                 if(sneak_node_found && control.sneak)
 581                         touching_ground = true;
 582         }
 583
 584         /*
 585                 Set new position
 586         */
 587         setPosition(position);
 588
 589         /*
 590                 Report collisions
 591         */
 592         if(collision_info)
 593         {
 594                 // Report fall collision
 595                 if(old_speed.Y < m_speed.Y - 0.1 && !standing_on_unloaded)
 596                 {
 597                         CollisionInfo info;
 598                         info.t = COLLISION_FALL;
 599                         info.speed = m_speed.Y - old_speed.Y;
 600                         collision_info->push_back(info);
 601                 }
 602         }
 603
 604         if(!touching_ground_was && touching_ground){
 605                 MtEvent *e = new SimpleTriggerEvent("PlayerRegainGround");
 606                 m_gamedef->event()->put(e);
 607         }
 608
 609         {
 610                 camera_barely_in_ceiling = false;
 611                 v3s16 camera_np = floatToInt(getEyePosition(), BS);
 612                 MapNode n = map.getNodeNoEx(camera_np);
 613                 if(n.getContent() != CONTENT_IGNORE){
 614                         if(nodemgr->get(n).walkable){
 615                                 camera_barely_in_ceiling = true;
 616                         }
 617                 }
 618         }
 619 }
 620
 621 void LocalPlayer::move(f32 dtime, Map &map, f32 pos_max_d)
 622 {
 623         move(dtime, map, pos_max_d, NULL);
 624 }
 625
 626 void LocalPlayer::applyControl(float dtime)
 627 {
 628         // Clear stuff
 629         swimming_up = false;
 630
 631         // Random constants
 632         f32 walk_acceleration = 4.0 * BS;
 633         f32 walkspeed_max = 4.0 * BS;
 634
 635         setPitch(control.pitch);
 636         setYaw(control.yaw);
 637
 638         v3f move_direction = v3f(0,0,1);
 639         move_direction.rotateXZBy(getYaw());
 640
 641         v3f speed = v3f(0,0,0);
 642
 643         bool free_move = g_settings->getBool("free_move");
 644         bool fast_move = g_settings->getBool("fast_move");
 645         bool continuous_forward = g_settings->getBool("continuous_forward");
 646
 647         if(free_move || is_climbing)
 648         {
 649                 v3f speed = getSpeed();
 650                 speed.Y = 0;
 651                 setSpeed(speed);
 652         }
 653
 654         // Whether superspeed mode is used or not
 655         bool superspeed = false;
 656
 657         // If free movement and fast movement, always move fast
 658         if(free_move && fast_move)
 659                 superspeed = true;
 660
 661         // Auxiliary button 1 (E)
 662         if(control.aux1)
 663         {
 664                 if(free_move)
 665                 {
 666                         // In free movement mode, aux1 descends
 667                         v3f speed = getSpeed();
 668                         if(fast_move)
 669                                 speed.Y = -20*BS;
 670                         else
 671                                 speed.Y = -walkspeed_max;
 672                         setSpeed(speed);
 673                 }
 674                 else if(is_climbing)
 675                 {
 676                         v3f speed = getSpeed();
 677                         speed.Y = -3*BS;
 678                         setSpeed(speed);
 679                 }
 680                 else
 681                 {
 682                         // If not free movement but fast is allowed, aux1 is
 683                         // "Turbo button"
 684                         if(fast_move)
 685                                 superspeed = true;
 686                 }
 687         }
 688
 689         if(continuous_forward)
 690                 speed += move_direction;
 691
 692         if(control.up)
 693         {
 694                 if(continuous_forward)
 695                         superspeed = true;
 696                 else
 697                         speed += move_direction;
 698         }
 699         if(control.down)
 700         {
 701                 speed -= move_direction;
 702         }
 703         if(control.left)
 704         {
 705                 speed += move_direction.crossProduct(v3f(0,1,0));
 706         }
 707         if(control.right)
 708         {
 709                 speed += move_direction.crossProduct(v3f(0,-1,0));
 710         }
 711         if(control.jump)
 712         {
 713                 if(free_move)
 714                 {
 715                         v3f speed = getSpeed();
 716                         if(fast_move)
 717                                 speed.Y = 20*BS;
 718                         else
 719                                 speed.Y = walkspeed_max;
 720                         setSpeed(speed);
 721                 }
 722                 else if(touching_ground)
 723                 {
 724                         /*
 725                                 NOTE: The d value in move() affects jump height by
 726                                 raising the height at which the jump speed is kept
 727                                 at its starting value
 728                         */
 729                         v3f speed = getSpeed();
 730                         if(speed.Y >= -0.5*BS)
 731                         {
 732                                 speed.Y = 6.5*BS;
 733                                 setSpeed(speed);
 734
 735                                 MtEvent *e = new SimpleTriggerEvent("PlayerJump");
 736                                 m_gamedef->event()->put(e);
 737                         }
 738                 }
 739                 // Use the oscillating value for getting out of water
 740                 // (so that the player doesn't fly on the surface)
 741                 else if(in_water)
 742                 {
 743                         v3f speed = getSpeed();
 744                         speed.Y = 1.5*BS;
 745                         setSpeed(speed);
 746                         swimming_up = true;
 747                 }
 748                 else if(is_climbing)
 749                 {
 750                         v3f speed = getSpeed();
 751                         speed.Y = 3*BS;
 752                         setSpeed(speed);
 753                 }
 754         }
 755
 756         // The speed of the player (Y is ignored)
 757         if(superspeed)
 758                 speed = speed.normalize() * walkspeed_max * 5.0;
 759         else if(control.sneak)
 760                 speed = speed.normalize() * walkspeed_max / 3.0;
 761         else
 762                 speed = speed.normalize() * walkspeed_max;
 763
 764         f32 inc = walk_acceleration * BS * dtime;
 765
 766         // Faster acceleration if fast and free movement
 767         if(free_move && fast_move)
 768                 inc = walk_acceleration * BS * dtime * 10;
 769
 770         // Accelerate to target speed with maximum increment
 771         accelerate(speed, inc);
 772 }
 773
 774 v3s16 LocalPlayer::getStandingNodePos()
 775 {
 776         if(m_sneak_node_exists)
 777                 return m_sneak_node;
 778         return floatToInt(getPosition(), BS);
 779 }
 780
 781 #endif
 782
 783 /*
 784         RemotePlayer
 785 */
 786
 787 void RemotePlayer::setPosition(const v3f &position)
 788 {
 789         Player::setPosition(position);
 790         if(m_sao)
 791                 m_sao->setBasePosition(position);
 792 }