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