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
  26 Player::Player():
  27         touching_ground(false),
  28         in_water(false),
  29         in_water_stable(false),
  30         swimming_up(false),
  31         craftresult_is_preview(true),
  32         hp(20),
  33         peer_id(PEER_ID_INEXISTENT),
  34         m_pitch(0),
  35         m_yaw(0),
  36         m_speed(0,0,0),
  37         m_position(0,0,0)
  38 {
  39         updateName("<not set>");
  40         resetInventory();
  41 }
  42
  43 Player::~Player()
  44 {
  45 }
  46
  47 void Player::resetInventory()
  48 {
  49         inventory.clear();
  50         inventory.addList("main", PLAYER_INVENTORY_SIZE);
  51         inventory.addList("craft", 9);
  52         inventory.addList("craftresult", 1);
  53 }
  54
  55 // Y direction is ignored
  56 void Player::accelerate(v3f target_speed, f32 max_increase)
  57 {
  58         v3f d_wanted = target_speed - m_speed;
  59         d_wanted.Y = 0;
  60         f32 dl_wanted = d_wanted.getLength();
  61         f32 dl = dl_wanted;
  62         if(dl > max_increase)
  63                 dl = max_increase;
  64
  65         v3f d = d_wanted.normalize() * dl;
  66
  67         m_speed.X += d.X;
  68         m_speed.Z += d.Z;
  69         //m_speed += d;
  70
  71 #if 0 // old code
  72         if(m_speed.X < target_speed.X - max_increase)
  73                 m_speed.X += max_increase;
  74         else if(m_speed.X > target_speed.X + max_increase)
  75                 m_speed.X -= max_increase;
  76         else if(m_speed.X < target_speed.X)
  77                 m_speed.X = target_speed.X;
  78         else if(m_speed.X > target_speed.X)
  79                 m_speed.X = target_speed.X;
  80
  81         if(m_speed.Z < target_speed.Z - max_increase)
  82                 m_speed.Z += max_increase;
  83         else if(m_speed.Z > target_speed.Z + max_increase)
  84                 m_speed.Z -= max_increase;
  85         else if(m_speed.Z < target_speed.Z)
  86                 m_speed.Z = target_speed.Z;
  87         else if(m_speed.Z > target_speed.Z)
  88                 m_speed.Z = target_speed.Z;
  89 #endif
  90 }
  91
  92 void Player::serialize(std::ostream &os)
  93 {
  94         // Utilize a Settings object for storing values
  95         Settings args;
  96         args.setS32("version", 1);
  97         args.set("name", m_name);
  98         args.setFloat("pitch", m_pitch);
  99         args.setFloat("yaw", m_yaw);
 100         args.setV3F("position", m_position);
 101         args.setBool("craftresult_is_preview", craftresult_is_preview);
 102         args.setS32("hp", hp);
 103
 104         args.writeLines(os);
 105
 106         os<<"PlayerArgsEnd\n";
 107
 108         inventory.serialize(os);
 109 }
 110
 111 void Player::deSerialize(std::istream &is)
 112 {
 113         Settings args;
 114
 115         for(;;)
 116         {
 117                 if(is.eof())
 118                         throw SerializationError
 119                                         ("Player::deSerialize(): PlayerArgsEnd not found");
 120                 std::string line;
 121                 std::getline(is, line);
 122                 std::string trimmedline = trim(line);
 123                 if(trimmedline == "PlayerArgsEnd")
 124                         break;
 125                 args.parseConfigLine(line);
 126         }
 127
 128         //args.getS32("version");
 129         std::string name = args.get("name");
 130         updateName(name.c_str());
 131         m_pitch = args.getFloat("pitch");
 132         m_yaw = args.getFloat("yaw");
 133         m_position = args.getV3F("position");
 134         try{
 135                 craftresult_is_preview = args.getBool("craftresult_is_preview");
 136         }catch(SettingNotFoundException &e){
 137                 craftresult_is_preview = true;
 138         }
 139         try{
 140                 hp = args.getS32("hp");
 141         }catch(SettingNotFoundException &e){
 142                 hp = 20;
 143         }
 144
 145         inventory.deSerialize(is);
 146 }
 147
 148 /*
 149         RemotePlayer
 150 */
 151
 152 #ifndef SERVER
 153
 154 RemotePlayer::RemotePlayer(
 155                 scene::ISceneNode* parent,
 156                 IrrlichtDevice *device,
 157                 s32 id):
 158         scene::ISceneNode(parent, (device==NULL)?NULL:device->getSceneManager(), id),
 159         m_text(NULL)
 160 {
 161         m_box = core::aabbox3d<f32>(-BS/2,0,-BS/2,BS/2,BS*2,BS/2);
 162
 163         if(parent != NULL && device != NULL)
 164         {
 165                 // ISceneNode stores a member called SceneManager
 166                 scene::ISceneManager* mgr = SceneManager;
 167                 video::IVideoDriver* driver = mgr->getVideoDriver();
 168                 gui::IGUIEnvironment* gui = device->getGUIEnvironment();
 169
 170                 // Add a text node for showing the name
 171                 wchar_t wname[1] = {0};
 172                 m_text = mgr->addTextSceneNode(gui->getBuiltInFont(),
 173                                 wname, video::SColor(255,255,255,255), this);
 174                 m_text->setPosition(v3f(0, (f32)BS*2.1, 0));
 175
 176                 // Attach a simple mesh to the player for showing an image
 177                 scene::SMesh *mesh = new scene::SMesh();
 178                 { // Front
 179                 scene::IMeshBuffer *buf = new scene::SMeshBuffer();
 180                 video::SColor c(255,255,255,255);
 181                 video::S3DVertex vertices[4] =
 182                 {
 183                         video::S3DVertex(-BS/2,0,0, 0,0,0, c, 0,1),
 184                         video::S3DVertex(BS/2,0,0, 0,0,0, c, 1,1),
 185                         video::S3DVertex(BS/2,BS*2,0, 0,0,0, c, 1,0),
 186                         video::S3DVertex(-BS/2,BS*2,0, 0,0,0, c, 0,0),
 187                 };
 188                 u16 indices[] = {0,1,2,2,3,0};
 189                 buf->append(vertices, 4, indices, 6);
 190                 // Set material
 191                 buf->getMaterial().setFlag(video::EMF_LIGHTING, false);
 192                 //buf->getMaterial().setFlag(video::EMF_BACK_FACE_CULLING, false);
 193                 buf->getMaterial().setTexture(0, driver->getTexture(porting::getDataPath("player.png").c_str()));
 194                 buf->getMaterial().setFlag(video::EMF_BILINEAR_FILTER, false);
 195                 buf->getMaterial().setFlag(video::EMF_FOG_ENABLE, true);
 196                 //buf->getMaterial().MaterialType = video::EMT_TRANSPARENT_ALPHA_CHANNEL;
 197                 buf->getMaterial().MaterialType = video::EMT_TRANSPARENT_ALPHA_CHANNEL_REF;
 198                 // Add to mesh
 199                 mesh->addMeshBuffer(buf);
 200                 buf->drop();
 201                 }
 202                 { // Back
 203                 scene::IMeshBuffer *buf = new scene::SMeshBuffer();
 204                 video::SColor c(255,255,255,255);
 205                 video::S3DVertex vertices[4] =
 206                 {
 207                         video::S3DVertex(BS/2,0,0, 0,0,0, c, 1,1),
 208                         video::S3DVertex(-BS/2,0,0, 0,0,0, c, 0,1),
 209                         video::S3DVertex(-BS/2,BS*2,0, 0,0,0, c, 0,0),
 210                         video::S3DVertex(BS/2,BS*2,0, 0,0,0, c, 1,0),
 211                 };
 212                 u16 indices[] = {0,1,2,2,3,0};
 213                 buf->append(vertices, 4, indices, 6);
 214                 // Set material
 215                 buf->getMaterial().setFlag(video::EMF_LIGHTING, false);
 216                 //buf->getMaterial().setFlag(video::EMF_BACK_FACE_CULLING, false);
 217                 buf->getMaterial().setTexture(0, driver->getTexture(porting::getDataPath("player_back.png").c_str()));
 218                 buf->getMaterial().setFlag(video::EMF_BILINEAR_FILTER, false);
 219                 buf->getMaterial().setFlag(video::EMF_FOG_ENABLE, true);
 220                 buf->getMaterial().MaterialType = video::EMT_TRANSPARENT_ALPHA_CHANNEL_REF;
 221                 // Add to mesh
 222                 mesh->addMeshBuffer(buf);
 223                 buf->drop();
 224                 }
 225                 m_node = mgr->addMeshSceneNode(mesh, this);
 226                 mesh->drop();
 227                 m_node->setPosition(v3f(0,0,0));
 228         }
 229 }
 230
 231 RemotePlayer::~RemotePlayer()
 232 {
 233         if(SceneManager != NULL)
 234                 ISceneNode::remove();
 235 }
 236
 237 void RemotePlayer::updateName(const char *name)
 238 {
 239         Player::updateName(name);
 240         if(m_text != NULL)
 241         {
 242                 wchar_t wname[PLAYERNAME_SIZE];
 243                 mbstowcs(wname, m_name, strlen(m_name)+1);
 244                 m_text->setText(wname);
 245         }
 246 }
 247
 248 void RemotePlayer::move(f32 dtime, Map &map, f32 pos_max_d)
 249 {
 250         m_pos_animation_time_counter += dtime;
 251         m_pos_animation_counter += dtime;
 252         v3f movevector = m_position - m_oldpos;
 253         f32 moveratio;
 254         if(m_pos_animation_time < 0.001)
 255                 moveratio = 1.0;
 256         else
 257                 moveratio = m_pos_animation_counter / m_pos_animation_time;
 258         if(moveratio > 1.5)
 259                 moveratio = 1.5;
 260         m_showpos = m_oldpos + movevector * moveratio;
 261
 262         ISceneNode::setPosition(m_showpos);
 263 }
 264
 265 #endif
 266
 267 #ifndef SERVER
 268 /*
 269         LocalPlayer
 270 */
 271
 272 LocalPlayer::LocalPlayer():
 273         m_sneak_node(32767,32767,32767),
 274         m_sneak_node_exists(false)
 275 {
 276         // Initialize hp to 0, so that no hearts will be shown if server
 277         // doesn't support health points
 278         hp = 0;
 279 }
 280
 281 LocalPlayer::~LocalPlayer()
 282 {
 283 }
 284
 285 void LocalPlayer::move(f32 dtime, Map &map, f32 pos_max_d,
 286                 core::list<CollisionInfo> *collision_info)
 287 {
 288         v3f position = getPosition();
 289         v3f oldpos = position;
 290         v3s16 oldpos_i = floatToInt(oldpos, BS);
 291
 292         /*std::cout<<"oldpos_i=("<<oldpos_i.X<<","<<oldpos_i.Y<<","
 293                         <<oldpos_i.Z<<")"<<std::endl;*/
 294
 295         /*
 296                 Calculate new position
 297         */
 298         position += m_speed * dtime;
 299
 300         // Skip collision detection if a special movement mode is used
 301         bool free_move = g_settings.getBool("free_move");
 302         if(free_move)
 303         {
 304                 setPosition(position);
 305                 return;
 306         }
 307
 308         /*
 309                 Collision detection
 310         */
 311
 312         // Player position in nodes
 313         v3s16 pos_i = floatToInt(position, BS);
 314
 315         /*
 316                 Check if player is in water (the oscillating value)
 317         */
 318         try{
 319                 // If in water, the threshold of coming out is at higher y
 320                 if(in_water)
 321                 {
 322                         v3s16 pp = floatToInt(position + v3f(0,BS*0.1,0), BS);
 323                         in_water = content_liquid(map.getNode(pp).d);
 324                 }
 325                 // If not in water, the threshold of going in is at lower y
 326                 else
 327                 {
 328                         v3s16 pp = floatToInt(position + v3f(0,BS*0.5,0), BS);
 329                         in_water = content_liquid(map.getNode(pp).d);
 330                 }
 331         }
 332         catch(InvalidPositionException &e)
 333         {
 334                 in_water = false;
 335         }
 336
 337         /*
 338                 Check if player is in water (the stable value)
 339         */
 340         try{
 341                 v3s16 pp = floatToInt(position + v3f(0,0,0), BS);
 342                 in_water_stable = content_liquid(map.getNode(pp).d);
 343         }
 344         catch(InvalidPositionException &e)
 345         {
 346                 in_water_stable = false;
 347         }
 348
 349         /*
 350                 Collision uncertainty radius
 351                 Make it a bit larger than the maximum distance of movement
 352         */
 353         //f32 d = pos_max_d * 1.1;
 354         // A fairly large value in here makes moving smoother
 355         f32 d = 0.15*BS;
 356
 357         // This should always apply, otherwise there are glitches
 358         assert(d > pos_max_d);
 359
 360         float player_radius = BS*0.35;
 361         float player_height = BS*1.7;
 362
 363         // Maximum distance over border for sneaking
 364         f32 sneak_max = BS*0.4;
 365
 366         /*
 367                 If sneaking, player has larger collision radius to keep from
 368                 falling
 369         */
 370         /*if(control.sneak)
 371                 player_radius = sneak_max + d*1.1;*/
 372
 373         /*
 374                 If sneaking, keep in range from the last walked node and don't
 375                 fall off from it
 376         */
 377         if(control.sneak && m_sneak_node_exists)
 378         {
 379                 f32 maxd = 0.5*BS + sneak_max;
 380                 v3f lwn_f = intToFloat(m_sneak_node, BS);
 381                 position.X = rangelim(position.X, lwn_f.X-maxd, lwn_f.X+maxd);
 382                 position.Z = rangelim(position.Z, lwn_f.Z-maxd, lwn_f.Z+maxd);
 383
 384                 f32 min_y = lwn_f.Y + 0.5*BS;
 385                 if(position.Y < min_y)
 386                 {
 387                         position.Y = min_y;
 388                         if(m_speed.Y < 0)
 389                                 m_speed.Y = 0;
 390                 }
 391         }
 392
 393         /*
 394                 Calculate player collision box (new and old)
 395         */
 396         core::aabbox3d<f32> playerbox(
 397                 position.X - player_radius,
 398                 position.Y - 0.0,
 399                 position.Z - player_radius,
 400                 position.X + player_radius,
 401                 position.Y + player_height,
 402                 position.Z + player_radius
 403         );
 404         core::aabbox3d<f32> playerbox_old(
 405                 oldpos.X - player_radius,
 406                 oldpos.Y - 0.0,
 407                 oldpos.Z - player_radius,
 408                 oldpos.X + player_radius,
 409                 oldpos.Y + player_height,
 410                 oldpos.Z + player_radius
 411         );
 412
 413         /*
 414                 If the player's feet touch the topside of any node, this is
 415                 set to true.
 416
 417                 Player is allowed to jump when this is true.
 418         */
 419         touching_ground = false;
 420
 421         /*std::cout<<"Checking collisions for ("
 422                         <<oldpos_i.X<<","<<oldpos_i.Y<<","<<oldpos_i.Z
 423                         <<") -> ("
 424                         <<pos_i.X<<","<<pos_i.Y<<","<<pos_i.Z
 425                         <<"):"<<std::endl;*/
 426
 427         /*
 428                 Go through every node around the player
 429         */
 430         for(s16 y = oldpos_i.Y - 1; y <= oldpos_i.Y + 2; y++)
 431         for(s16 z = oldpos_i.Z - 1; z <= oldpos_i.Z + 1; z++)
 432         for(s16 x = oldpos_i.X - 1; x <= oldpos_i.X + 1; x++)
 433         {
 434                 try{
 435                         // Player collides into walkable nodes
 436                         if(content_walkable(map.getNode(v3s16(x,y,z)).d) == false)
 437                                 continue;
 438                 }
 439                 catch(InvalidPositionException &e)
 440                 {
 441                         // Doing nothing here will block the player from
 442                         // walking over map borders
 443                 }
 444
 445                 core::aabbox3d<f32> nodebox = getNodeBox(v3s16(x,y,z), BS);
 446
 447                 /*
 448                         See if the player is touching ground.
 449
 450                         Player touches ground if player's minimum Y is near node's
 451                         maximum Y and player's X-Z-area overlaps with the node's
 452                         X-Z-area.
 453
 454                         Use 0.15*BS so that it is easier to get on a node.
 455                 */
 456                 if(
 457                                 //fabs(nodebox.MaxEdge.Y-playerbox.MinEdge.Y) < d
 458                                 fabs(nodebox.MaxEdge.Y-playerbox.MinEdge.Y) < 0.15*BS
 459                                 && nodebox.MaxEdge.X-d > playerbox.MinEdge.X
 460                                 && nodebox.MinEdge.X+d < playerbox.MaxEdge.X
 461                                 && nodebox.MaxEdge.Z-d > playerbox.MinEdge.Z
 462                                 && nodebox.MinEdge.Z+d < playerbox.MaxEdge.Z
 463                 ){
 464                         touching_ground = true;
 465                 }
 466
 467                 // If player doesn't intersect with node, ignore node.
 468                 if(playerbox.intersectsWithBox(nodebox) == false)
 469                         continue;
 470
 471                 /*
 472                         Go through every axis
 473                 */
 474                 v3f dirs[3] = {
 475                         v3f(0,0,1), // back-front
 476                         v3f(0,1,0), // top-bottom
 477                         v3f(1,0,0), // right-left
 478                 };
 479                 for(u16 i=0; i<3; i++)
 480                 {
 481                         /*
 482                                 Calculate values along the axis
 483                         */
 484                         f32 nodemax = nodebox.MaxEdge.dotProduct(dirs[i]);
 485                         f32 nodemin = nodebox.MinEdge.dotProduct(dirs[i]);
 486                         f32 playermax = playerbox.MaxEdge.dotProduct(dirs[i]);
 487                         f32 playermin = playerbox.MinEdge.dotProduct(dirs[i]);
 488                         f32 playermax_old = playerbox_old.MaxEdge.dotProduct(dirs[i]);
 489                         f32 playermin_old = playerbox_old.MinEdge.dotProduct(dirs[i]);
 490
 491                         /*
 492                                 Check collision for the axis.
 493                                 Collision happens when player is going through a surface.
 494                         */
 495                         /*f32 neg_d = d;
 496                         f32 pos_d = d;
 497                         // Make it easier to get on top of a node
 498                         if(i == 1)
 499                                 neg_d = 0.15*BS;
 500                         bool negative_axis_collides =
 501                                 (nodemax > playermin && nodemax <= playermin_old + neg_d
 502                                         && m_speed.dotProduct(dirs[i]) < 0);
 503                         bool positive_axis_collides =
 504                                 (nodemin < playermax && nodemin >= playermax_old - pos_d
 505                                         && m_speed.dotProduct(dirs[i]) > 0);*/
 506                         bool negative_axis_collides =
 507                                 (nodemax > playermin && nodemax <= playermin_old + d
 508                                         && m_speed.dotProduct(dirs[i]) < 0);
 509                         bool positive_axis_collides =
 510                                 (nodemin < playermax && nodemin >= playermax_old - d
 511                                         && m_speed.dotProduct(dirs[i]) > 0);
 512                         bool main_axis_collides =
 513                                         negative_axis_collides || positive_axis_collides;
 514
 515                         /*
 516                                 Check overlap of player and node in other axes
 517                         */
 518                         bool other_axes_overlap = true;
 519                         for(u16 j=0; j<3; j++)
 520                         {
 521                                 if(j == i)
 522                                         continue;
 523                                 f32 nodemax = nodebox.MaxEdge.dotProduct(dirs[j]);
 524                                 f32 nodemin = nodebox.MinEdge.dotProduct(dirs[j]);
 525                                 f32 playermax = playerbox.MaxEdge.dotProduct(dirs[j]);
 526                                 f32 playermin = playerbox.MinEdge.dotProduct(dirs[j]);
 527                                 if(!(nodemax - d > playermin && nodemin + d < playermax))
 528                                 {
 529                                         other_axes_overlap = false;
 530                                         break;
 531                                 }
 532                         }
 533
 534                         /*
 535                                 If this is a collision, revert the position in the main
 536                                 direction.
 537                         */
 538                         if(other_axes_overlap && main_axis_collides)
 539                         {
 540                                 v3f old_speed = m_speed;
 541
 542                                 m_speed -= m_speed.dotProduct(dirs[i]) * dirs[i];
 543                                 position -= position.dotProduct(dirs[i]) * dirs[i];
 544                                 position += oldpos.dotProduct(dirs[i]) * dirs[i];
 545
 546                                 if(collision_info)
 547                                 {
 548                                         // Report fall collision
 549                                         if(old_speed.Y < m_speed.Y - 0.1)
 550                                         {
 551                                                 CollisionInfo info;
 552                                                 info.t = COLLISION_FALL;
 553                                                 info.speed = m_speed.Y - old_speed.Y;
 554                                                 collision_info->push_back(info);
 555                                         }
 556                                 }
 557                         }
 558
 559                 }
 560         } // xyz
 561
 562         /*
 563                 Check the nodes under the player to see from which node the
 564                 player is sneaking from, if any.
 565         */
 566         {
 567                 v3s16 pos_i_bottom = floatToInt(position - v3f(0,BS/2,0), BS);
 568                 v2f player_p2df(position.X, position.Z);
 569                 f32 min_distance_f = 100000.0*BS;
 570                 // If already seeking from some node, compare to it.
 571                 /*if(m_sneak_node_exists)
 572                 {
 573                         v3f sneaknode_pf = intToFloat(m_sneak_node, BS);
 574                         v2f sneaknode_p2df(sneaknode_pf.X, sneaknode_pf.Z);
 575                         f32 d_horiz_f = player_p2df.getDistanceFrom(sneaknode_p2df);
 576                         f32 d_vert_f = fabs(sneaknode_pf.Y + BS*0.5 - position.Y);
 577                         // Ignore if player is not on the same level (likely dropped)
 578                         if(d_vert_f < 0.15*BS)
 579                                 min_distance_f = d_horiz_f;
 580                 }*/
 581                 v3s16 new_sneak_node = m_sneak_node;
 582                 for(s16 x=-1; x<=1; x++)
 583                 for(s16 z=-1; z<=1; z++)
 584                 {
 585                         v3s16 p = pos_i_bottom + v3s16(x,0,z);
 586                         v3f pf = intToFloat(p, BS);
 587                         v2f node_p2df(pf.X, pf.Z);
 588                         f32 distance_f = player_p2df.getDistanceFrom(node_p2df);
 589                         f32 max_axis_distance_f = MYMAX(
 590                                         fabs(player_p2df.X-node_p2df.X),
 591                                         fabs(player_p2df.Y-node_p2df.Y));
 592
 593                         if(distance_f > min_distance_f ||
 594                                         max_axis_distance_f > 0.5*BS + sneak_max + 0.1*BS)
 595                                 continue;
 596
 597                         try{
 598                                 // The node to be sneaked on has to be walkable
 599                                 if(content_walkable(map.getNode(p).d) == false)
 600                                         continue;
 601                                 // And the node above it has to be nonwalkable
 602                                 if(content_walkable(map.getNode(p+v3s16(0,1,0)).d) == true)
 603                                         continue;
 604                         }
 605                         catch(InvalidPositionException &e)
 606                         {
 607                                 continue;
 608                         }
 609
 610                         min_distance_f = distance_f;
 611                         new_sneak_node = p;
 612                 }
 613
 614                 bool sneak_node_found = (min_distance_f < 100000.0*BS*0.9);
 615
 616                 if(control.sneak && m_sneak_node_exists)
 617                 {
 618                         if(sneak_node_found)
 619                                 m_sneak_node = new_sneak_node;
 620                 }
 621                 else
 622                 {
 623                         m_sneak_node = new_sneak_node;
 624                         m_sneak_node_exists = sneak_node_found;
 625                 }
 626
 627                 /*
 628                         If sneaking, the player's collision box can be in air, so
 629                         this has to be set explicitly
 630                 */
 631                 if(sneak_node_found && control.sneak)
 632                         touching_ground = true;
 633         }
 634
 635         /*
 636                 Set new position
 637         */
 638         setPosition(position);
 639 }
 640
 641 void LocalPlayer::move(f32 dtime, Map &map, f32 pos_max_d)
 642 {
 643         move(dtime, map, pos_max_d, NULL);
 644 }
 645
 646 void LocalPlayer::applyControl(float dtime)
 647 {
 648         // Clear stuff
 649         swimming_up = false;
 650
 651         // Random constants
 652         f32 walk_acceleration = 4.0 * BS;
 653         f32 walkspeed_max = 4.0 * BS;
 654
 655         setPitch(control.pitch);
 656         setYaw(control.yaw);
 657
 658         v3f move_direction = v3f(0,0,1);
 659         move_direction.rotateXZBy(getYaw());
 660
 661         v3f speed = v3f(0,0,0);
 662
 663         bool free_move = g_settings.getBool("free_move");
 664         bool fast_move = g_settings.getBool("fast_move");
 665         bool continuous_forward = g_settings.getBool("continuous_forward");
 666
 667         if(free_move)
 668         {
 669                 v3f speed = getSpeed();
 670                 speed.Y = 0;
 671                 setSpeed(speed);
 672         }
 673
 674         // Whether superspeed mode is used or not
 675         bool superspeed = false;
 676
 677         // If free movement and fast movement, always move fast
 678         if(free_move && fast_move)
 679                 superspeed = true;
 680
 681         // Auxiliary button 1 (E)
 682         if(control.aux1)
 683         {
 684                 if(free_move)
 685                 {
 686                         // In free movement mode, aux1 descends
 687                         v3f speed = getSpeed();
 688                         if(fast_move)
 689                                 speed.Y = -20*BS;
 690                         else
 691                                 speed.Y = -walkspeed_max;
 692                         setSpeed(speed);
 693                 }
 694                 else
 695                 {
 696                         // If not free movement but fast is allowed, aux1 is
 697                         // "Turbo button"
 698                         if(fast_move)
 699                                 superspeed = true;
 700                 }
 701         }
 702
 703         if(continuous_forward)
 704                 speed += move_direction;
 705
 706         if(control.up)
 707         {
 708                 if(continuous_forward)
 709                         superspeed = true;
 710                 else
 711                         speed += move_direction;
 712         }
 713         if(control.down)
 714         {
 715                 speed -= move_direction;
 716         }
 717         if(control.left)
 718         {
 719                 speed += move_direction.crossProduct(v3f(0,1,0));
 720         }
 721         if(control.right)
 722         {
 723                 speed += move_direction.crossProduct(v3f(0,-1,0));
 724         }
 725         if(control.jump)
 726         {
 727                 if(free_move)
 728                 {
 729                         v3f speed = getSpeed();
 730                         if(fast_move)
 731                                 speed.Y = 20*BS;
 732                         else
 733                                 speed.Y = walkspeed_max;
 734                         setSpeed(speed);
 735                 }
 736                 else if(touching_ground)
 737                 {
 738                         v3f speed = getSpeed();
 739                         /*
 740                                 NOTE: The d value in move() affects jump height by
 741                                 raising the height at which the jump speed is kept
 742                                 at its starting value
 743                         */
 744                         speed.Y = 6.5*BS;
 745                         setSpeed(speed);
 746                 }
 747                 // Use the oscillating value for getting out of water
 748                 // (so that the player doesn't fly on the surface)
 749                 else if(in_water)
 750                 {
 751                         v3f speed = getSpeed();
 752                         speed.Y = 1.5*BS;
 753                         setSpeed(speed);
 754                         swimming_up = true;
 755                 }
 756         }
 757
 758         // The speed of the player (Y is ignored)
 759         if(superspeed)
 760                 speed = speed.normalize() * walkspeed_max * 5.0;
 761         else if(control.sneak)
 762                 speed = speed.normalize() * walkspeed_max / 3.0;
 763         else
 764                 speed = speed.normalize() * walkspeed_max;
 765
 766         f32 inc = walk_acceleration * BS * dtime;
 767
 768         // Faster acceleration if fast and free movement
 769         if(free_move && fast_move)
 770                 inc = walk_acceleration * BS * dtime * 10;
 771
 772         // Accelerate to target speed with maximum increment
 773         accelerate(speed, inc);
 774 }
 775 #endif
 776