src/content_cao.cpp

   1 /*
   2 Minetest
   3 Copyright (C) 2010-2013 celeron55, Perttu Ahola <celeron55@gmail.com>
   4
   5 This program is free software; you can redistribute it and/or modify
   6 it under the terms of the GNU Lesser General Public License as published by
   7 the Free Software Foundation; either version 2.1 of the License, or
   8 (at your option) any later version.
   9
  10 This program is distributed in the hope that it will be useful,
  11 but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13 GNU Lesser General Public License for more details.
  14
  15 You should have received a copy of the GNU Lesser General Public License along
  16 with this program; if not, write to the Free Software Foundation, Inc.,
  17 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  18 */
  19
  20 #include <ICameraSceneNode.h>
  21 #include <ITextSceneNode.h>
  22 #include <IBillboardSceneNode.h>
  23 #include <IMeshManipulator.h>
  24 #include <IAnimatedMeshSceneNode.h>
  25 #include <IBoneSceneNode.h>
  26 #include "content_cao.h"
  27 #include "util/numeric.h" // For IntervalLimiter
  28 #include "util/serialize.h"
  29 #include "util/mathconstants.h"
  30 #include "client/tile.h"
  31 #include "environment.h"
  32 #include "collision.h"
  33 #include "settings.h"
  34 #include "serialization.h" // For decompressZlib
  35 #include "gamedef.h"
  36 #include "clientobject.h"
  37 #include "mesh.h"
  38 #include "itemdef.h"
  39 #include "tool.h"
  40 #include "content_cso.h"
  41 #include "sound.h"
  42 #include "nodedef.h"
  43 #include "localplayer.h"
  44 #include "map.h"
  45 #include "camera.h" // CameraModes
  46 #include "wieldmesh.h"
  47 #include "log.h"
  48
  49 class Settings;
  50 struct ToolCapabilities;
  51
  52 #define PP(x) "("<<(x).X<<","<<(x).Y<<","<<(x).Z<<")"
  53
  54 std::map<u16, ClientActiveObject::Factory> ClientActiveObject::m_types;
  55
  56 SmoothTranslator::SmoothTranslator():
  57         vect_old(0,0,0),
  58         vect_show(0,0,0),
  59         vect_aim(0,0,0),
  60         anim_counter(0),
  61         anim_time(0),
  62         anim_time_counter(0),
  63         aim_is_end(true)
  64 {}
  65
  66 void SmoothTranslator::init(v3f vect)
  67 {
  68         vect_old = vect;
  69         vect_show = vect;
  70         vect_aim = vect;
  71         anim_counter = 0;
  72         anim_time = 0;
  73         anim_time_counter = 0;
  74         aim_is_end = true;
  75 }
  76
  77 void SmoothTranslator::sharpen()
  78 {
  79         init(vect_show);
  80 }
  81
  82 void SmoothTranslator::update(v3f vect_new, bool is_end_position, float update_interval)
  83 {
  84         aim_is_end = is_end_position;
  85         vect_old = vect_show;
  86         vect_aim = vect_new;
  87         if(update_interval > 0)
  88         {
  89                 anim_time = update_interval;
  90         } else {
  91                 if(anim_time < 0.001 || anim_time > 1.0)
  92                         anim_time = anim_time_counter;
  93                 else
  94                         anim_time = anim_time * 0.9 + anim_time_counter * 0.1;
  95         }
  96         anim_time_counter = 0;
  97         anim_counter = 0;
  98 }
  99
 100 void SmoothTranslator::translate(f32 dtime)
 101 {
 102         anim_time_counter = anim_time_counter + dtime;
 103         anim_counter = anim_counter + dtime;
 104         v3f vect_move = vect_aim - vect_old;
 105         f32 moveratio = 1.0;
 106         if(anim_time > 0.001)
 107                 moveratio = anim_time_counter / anim_time;
 108         // Move a bit less than should, to avoid oscillation
 109         moveratio = moveratio * 0.8;
 110         float move_end = 1.5;
 111         if(aim_is_end)
 112                 move_end = 1.0;
 113         if(moveratio > move_end)
 114                 moveratio = move_end;
 115         vect_show = vect_old + vect_move * moveratio;
 116 }
 117
 118 bool SmoothTranslator::is_moving()
 119 {
 120         return ((anim_time_counter / anim_time) < 1.4);
 121 }
 122
 123 /*
 124         Other stuff
 125 */
 126
 127 static void setBillboardTextureMatrix(scene::IBillboardSceneNode *bill,
 128                 float txs, float tys, int col, int row)
 129 {
 130         video::SMaterial& material = bill->getMaterial(0);
 131         core::matrix4& matrix = material.getTextureMatrix(0);
 132         matrix.setTextureTranslate(txs*col, tys*row);
 133         matrix.setTextureScale(txs, tys);
 134 }
 135
 136 /*
 137         TestCAO
 138 */
 139
 140 class TestCAO : public ClientActiveObject
 141 {
 142 public:
 143         TestCAO(IGameDef *gamedef, ClientEnvironment *env);
 144         virtual ~TestCAO();
 145
 146         ActiveObjectType getType() const
 147         {
 148                 return ACTIVEOBJECT_TYPE_TEST;
 149         }
 150
 151         static ClientActiveObject* create(IGameDef *gamedef, ClientEnvironment *env);
 152
 153         void addToScene(scene::ISceneManager *smgr, ITextureSource *tsrc,
 154                         IrrlichtDevice *irr);
 155         void removeFromScene(bool permanent);
 156         void updateLight(u8 light_at_pos);
 157         v3s16 getLightPosition();
 158         void updateNodePos();
 159
 160         void step(float dtime, ClientEnvironment *env);
 161
 162         void processMessage(const std::string &data);
 163
 164         bool getCollisionBox(aabb3f *toset) { return false; }
 165 private:
 166         scene::IMeshSceneNode *m_node;
 167         v3f m_position;
 168 };
 169
 170 // Prototype
 171 TestCAO proto_TestCAO(NULL, NULL);
 172
 173 TestCAO::TestCAO(IGameDef *gamedef, ClientEnvironment *env):
 174         ClientActiveObject(0, gamedef, env),
 175         m_node(NULL),
 176         m_position(v3f(0,10*BS,0))
 177 {
 178         ClientActiveObject::registerType(getType(), create);
 179 }
 180
 181 TestCAO::~TestCAO()
 182 {
 183 }
 184
 185 ClientActiveObject* TestCAO::create(IGameDef *gamedef, ClientEnvironment *env)
 186 {
 187         return new TestCAO(gamedef, env);
 188 }
 189
 190 void TestCAO::addToScene(scene::ISceneManager *smgr, ITextureSource *tsrc,
 191                         IrrlichtDevice *irr)
 192 {
 193         if(m_node != NULL)
 194                 return;
 195
 196         //video::IVideoDriver* driver = smgr->getVideoDriver();
 197
 198         scene::SMesh *mesh = new scene::SMesh();
 199         scene::IMeshBuffer *buf = new scene::SMeshBuffer();
 200         video::SColor c(255,255,255,255);
 201         video::S3DVertex vertices[4] =
 202         {
 203                 video::S3DVertex(-BS/2,-BS/4,0, 0,0,0, c, 0,1),
 204                 video::S3DVertex(BS/2,-BS/4,0, 0,0,0, c, 1,1),
 205                 video::S3DVertex(BS/2,BS/4,0, 0,0,0, c, 1,0),
 206                 video::S3DVertex(-BS/2,BS/4,0, 0,0,0, c, 0,0),
 207         };
 208         u16 indices[] = {0,1,2,2,3,0};
 209         buf->append(vertices, 4, indices, 6);
 210         // Set material
 211         buf->getMaterial().setFlag(video::EMF_LIGHTING, false);
 212         buf->getMaterial().setFlag(video::EMF_BACK_FACE_CULLING, false);
 213         buf->getMaterial().setTexture(0, tsrc->getTextureForMesh("rat.png"));
 214         buf->getMaterial().setFlag(video::EMF_BILINEAR_FILTER, false);
 215         buf->getMaterial().setFlag(video::EMF_FOG_ENABLE, true);
 216         buf->getMaterial().MaterialType = video::EMT_TRANSPARENT_ALPHA_CHANNEL;
 217         // Add to mesh
 218         mesh->addMeshBuffer(buf);
 219         buf->drop();
 220         m_node = smgr->addMeshSceneNode(mesh, NULL);
 221         mesh->drop();
 222         updateNodePos();
 223 }
 224
 225 void TestCAO::removeFromScene(bool permanent)
 226 {
 227         if(m_node == NULL)
 228                 return;
 229
 230         m_node->remove();
 231         m_node = NULL;
 232 }
 233
 234 void TestCAO::updateLight(u8 light_at_pos)
 235 {
 236 }
 237
 238 v3s16 TestCAO::getLightPosition()
 239 {
 240         return floatToInt(m_position, BS);
 241 }
 242
 243 void TestCAO::updateNodePos()
 244 {
 245         if(m_node == NULL)
 246                 return;
 247
 248         m_node->setPosition(m_position);
 249         //m_node->setRotation(v3f(0, 45, 0));
 250 }
 251
 252 void TestCAO::step(float dtime, ClientEnvironment *env)
 253 {
 254         if(m_node)
 255         {
 256                 v3f rot = m_node->getRotation();
 257                 //infostream<<"dtime="<<dtime<<", rot.Y="<<rot.Y<<std::endl;
 258                 rot.Y += dtime * 180;
 259                 m_node->setRotation(rot);
 260         }
 261 }
 262
 263 void TestCAO::processMessage(const std::string &data)
 264 {
 265         infostream<<"TestCAO: Got data: "<<data<<std::endl;
 266         std::istringstream is(data, std::ios::binary);
 267         u16 cmd;
 268         is>>cmd;
 269         if(cmd == 0)
 270         {
 271                 v3f newpos;
 272                 is>>newpos.X;
 273                 is>>newpos.Y;
 274                 is>>newpos.Z;
 275                 m_position = newpos;
 276                 updateNodePos();
 277         }
 278 }
 279
 280 /*
 281         ItemCAO
 282 */
 283
 284 class ItemCAO : public ClientActiveObject
 285 {
 286 public:
 287         ItemCAO(IGameDef *gamedef, ClientEnvironment *env);
 288         virtual ~ItemCAO();
 289
 290         ActiveObjectType getType() const
 291         {
 292                 return ACTIVEOBJECT_TYPE_ITEM;
 293         }
 294
 295         static ClientActiveObject* create(IGameDef *gamedef, ClientEnvironment *env);
 296
 297         void addToScene(scene::ISceneManager *smgr, ITextureSource *tsrc,
 298                         IrrlichtDevice *irr);
 299         void removeFromScene(bool permanent);
 300         void updateLight(u8 light_at_pos);
 301         v3s16 getLightPosition();
 302         void updateNodePos();
 303         void updateInfoText();
 304         void updateTexture();
 305
 306         void step(float dtime, ClientEnvironment *env);
 307
 308         void processMessage(const std::string &data);
 309
 310         void initialize(const std::string &data);
 311
 312         core::aabbox3d<f32>* getSelectionBox()
 313                 {return &m_selection_box;}
 314         v3f getPosition()
 315                 {return m_position;}
 316
 317         std::string infoText()
 318                 {return m_infotext;}
 319
 320         bool getCollisionBox(aabb3f *toset) { return false; }
 321 private:
 322         core::aabbox3d<f32> m_selection_box;
 323         scene::IMeshSceneNode *m_node;
 324         v3f m_position;
 325         std::string m_itemstring;
 326         std::string m_infotext;
 327 };
 328
 329 #include "inventory.h"
 330
 331 // Prototype
 332 ItemCAO proto_ItemCAO(NULL, NULL);
 333
 334 ItemCAO::ItemCAO(IGameDef *gamedef, ClientEnvironment *env):
 335         ClientActiveObject(0, gamedef, env),
 336         m_selection_box(-BS/3.,0.0,-BS/3., BS/3.,BS*2./3.,BS/3.),
 337         m_node(NULL),
 338         m_position(v3f(0,10*BS,0))
 339 {
 340         if(!gamedef && !env)
 341         {
 342                 ClientActiveObject::registerType(getType(), create);
 343         }
 344 }
 345
 346 ItemCAO::~ItemCAO()
 347 {
 348 }
 349
 350 ClientActiveObject* ItemCAO::create(IGameDef *gamedef, ClientEnvironment *env)
 351 {
 352         return new ItemCAO(gamedef, env);
 353 }
 354
 355 void ItemCAO::addToScene(scene::ISceneManager *smgr, ITextureSource *tsrc,
 356                         IrrlichtDevice *irr)
 357 {
 358         if(m_node != NULL)
 359                 return;
 360
 361         //video::IVideoDriver* driver = smgr->getVideoDriver();
 362
 363         scene::SMesh *mesh = new scene::SMesh();
 364         scene::IMeshBuffer *buf = new scene::SMeshBuffer();
 365         video::SColor c(255,255,255,255);
 366         video::S3DVertex vertices[4] =
 367         {
 368                 /*video::S3DVertex(-BS/2,-BS/4,0, 0,0,0, c, 0,1),
 369                 video::S3DVertex(BS/2,-BS/4,0, 0,0,0, c, 1,1),
 370                 video::S3DVertex(BS/2,BS/4,0, 0,0,0, c, 1,0),
 371                 video::S3DVertex(-BS/2,BS/4,0, 0,0,0, c, 0,0),*/
 372                 video::S3DVertex(BS/3.,0,0, 0,0,0, c, 0,1),
 373                 video::S3DVertex(-BS/3.,0,0, 0,0,0, c, 1,1),
 374                 video::S3DVertex(-BS/3.,0+BS*2./3.,0, 0,0,0, c, 1,0),
 375                 video::S3DVertex(BS/3.,0+BS*2./3.,0, 0,0,0, c, 0,0),
 376         };
 377         u16 indices[] = {0,1,2,2,3,0};
 378         buf->append(vertices, 4, indices, 6);
 379         // Set material
 380         buf->getMaterial().setFlag(video::EMF_LIGHTING, false);
 381         buf->getMaterial().setFlag(video::EMF_BACK_FACE_CULLING, false);
 382         // Initialize with a generated placeholder texture
 383         buf->getMaterial().setTexture(0, tsrc->getTexture(""));
 384         buf->getMaterial().setFlag(video::EMF_BILINEAR_FILTER, false);
 385         buf->getMaterial().setFlag(video::EMF_FOG_ENABLE, true);
 386         buf->getMaterial().MaterialType = video::EMT_TRANSPARENT_ALPHA_CHANNEL;
 387         // Add to mesh
 388         mesh->addMeshBuffer(buf);
 389         buf->drop();
 390         m_node = smgr->addMeshSceneNode(mesh, NULL);
 391         mesh->drop();
 392         updateNodePos();
 393
 394         /*
 395                 Update image of node
 396         */
 397
 398         updateTexture();
 399 }
 400
 401 void ItemCAO::removeFromScene(bool permanent)
 402 {
 403         if(m_node == NULL)
 404                 return;
 405
 406         m_node->remove();
 407         m_node = NULL;
 408 }
 409
 410 void ItemCAO::updateLight(u8 light_at_pos)
 411 {
 412         if(m_node == NULL)
 413                 return;
 414
 415         u8 li = decode_light(light_at_pos);
 416         video::SColor color(255,li,li,li);
 417         setMeshColor(m_node->getMesh(), color);
 418 }
 419
 420 v3s16 ItemCAO::getLightPosition()
 421 {
 422         return floatToInt(m_position + v3f(0,0.5*BS,0), BS);
 423 }
 424
 425 void ItemCAO::updateNodePos()
 426 {
 427         if(m_node == NULL)
 428                 return;
 429
 430         m_node->setPosition(m_position);
 431 }
 432
 433 void ItemCAO::updateInfoText()
 434 {
 435         try{
 436                 IItemDefManager *idef = m_gamedef->idef();
 437                 ItemStack item;
 438                 item.deSerialize(m_itemstring, idef);
 439                 if(item.isKnown(idef))
 440                         m_infotext = item.getDefinition(idef).description;
 441                 else
 442                         m_infotext = "Unknown item: '" + m_itemstring + "'";
 443                 if(item.count >= 2)
 444                         m_infotext += " (" + itos(item.count) + ")";
 445         }
 446         catch(SerializationError &e)
 447         {
 448                 m_infotext = "Unknown item: '" + m_itemstring + "'";
 449         }
 450 }
 451
 452 void ItemCAO::updateTexture()
 453 {
 454         if(m_node == NULL)
 455                 return;
 456
 457         // Create an inventory item to see what is its image
 458         std::istringstream is(m_itemstring, std::ios_base::binary);
 459         video::ITexture *texture = NULL;
 460         try{
 461                 IItemDefManager *idef = m_gamedef->idef();
 462                 ItemStack item;
 463                 item.deSerialize(is, idef);
 464                 texture = idef->getInventoryTexture(item.getDefinition(idef).name, m_gamedef);
 465         }
 466         catch(SerializationError &e)
 467         {
 468                 warningstream<<FUNCTION_NAME
 469                                 <<": error deSerializing itemstring \""
 470                                 <<m_itemstring<<std::endl;
 471         }
 472
 473         // Set meshbuffer texture
 474         m_node->getMaterial(0).setTexture(0, texture);
 475 }
 476
 477
 478 void ItemCAO::step(float dtime, ClientEnvironment *env)
 479 {
 480         if(m_node)
 481         {
 482                 /*v3f rot = m_node->getRotation();
 483                 rot.Y += dtime * 120;
 484                 m_node->setRotation(rot);*/
 485                 LocalPlayer *player = env->getLocalPlayer();
 486                 assert(player);
 487                 v3f rot = m_node->getRotation();
 488                 rot.Y = 180.0 - (player->getYaw());
 489                 m_node->setRotation(rot);
 490         }
 491 }
 492
 493 void ItemCAO::processMessage(const std::string &data)
 494 {
 495         //infostream<<"ItemCAO: Got message"<<std::endl;
 496         std::istringstream is(data, std::ios::binary);
 497         // command
 498         u8 cmd = readU8(is);
 499         if(cmd == 0)
 500         {
 501                 // pos
 502                 m_position = readV3F1000(is);
 503                 updateNodePos();
 504         }
 505         if(cmd == 1)
 506         {
 507                 // itemstring
 508                 m_itemstring = deSerializeString(is);
 509                 updateInfoText();
 510                 updateTexture();
 511         }
 512 }
 513
 514 void ItemCAO::initialize(const std::string &data)
 515 {
 516         infostream<<"ItemCAO: Got init data"<<std::endl;
 517
 518         {
 519                 std::istringstream is(data, std::ios::binary);
 520                 // version
 521                 u8 version = readU8(is);
 522                 // check version
 523                 if(version != 0)
 524                         return;
 525                 // pos
 526                 m_position = readV3F1000(is);
 527                 // itemstring
 528                 m_itemstring = deSerializeString(is);
 529         }
 530
 531         updateNodePos();
 532         updateInfoText();
 533 }
 534
 535 /*
 536         GenericCAO
 537 */
 538
 539 #include "genericobject.h"
 540
 541 GenericCAO::GenericCAO(IGameDef *gamedef, ClientEnvironment *env):
 542                 ClientActiveObject(0, gamedef, env),
 543                 //
 544                 m_is_player(false),
 545                 m_is_local_player(false),
 546                 //
 547                 m_smgr(NULL),
 548                 m_irr(NULL),
 549                 m_selection_box(-BS/3.,-BS/3.,-BS/3., BS/3.,BS/3.,BS/3.),
 550                 m_meshnode(NULL),
 551                 m_animated_meshnode(NULL),
 552                 m_wield_meshnode(NULL),
 553                 m_spritenode(NULL),
 554                 m_nametag_color(video::SColor(255, 255, 255, 255)),
 555                 m_textnode(NULL),
 556                 m_position(v3f(0,10*BS,0)),
 557                 m_velocity(v3f(0,0,0)),
 558                 m_acceleration(v3f(0,0,0)),
 559                 m_yaw(0),
 560                 m_hp(1),
 561                 m_tx_size(1,1),
 562                 m_tx_basepos(0,0),
 563                 m_initial_tx_basepos_set(false),
 564                 m_tx_select_horiz_by_yawpitch(false),
 565                 m_animation_range(v2s32(0,0)),
 566                 m_animation_speed(15),
 567                 m_animation_blend(0),
 568                 m_animation_loop(true),
 569                 m_bone_position(std::map<std::string, core::vector2d<v3f> >()),
 570                 m_attachment_bone(""),
 571                 m_attachment_position(v3f(0,0,0)),
 572                 m_attachment_rotation(v3f(0,0,0)),
 573                 m_attached_to_local(false),
 574                 m_anim_frame(0),
 575                 m_anim_num_frames(1),
 576                 m_anim_framelength(0.2),
 577                 m_anim_timer(0),
 578                 m_reset_textures_timer(-1),
 579                 m_visuals_expired(false),
 580                 m_step_distance_counter(0),
 581                 m_last_light(255),
 582                 m_is_visible(false)
 583 {
 584         if(gamedef == NULL)
 585                 ClientActiveObject::registerType(getType(), create);
 586 }
 587
 588 bool GenericCAO::getCollisionBox(aabb3f *toset)
 589 {
 590         if (m_prop.physical)
 591         {
 592                 //update collision box
 593                 toset->MinEdge = m_prop.collisionbox.MinEdge * BS;
 594                 toset->MaxEdge = m_prop.collisionbox.MaxEdge * BS;
 595
 596                 toset->MinEdge += m_position;
 597                 toset->MaxEdge += m_position;
 598
 599                 return true;
 600         }
 601
 602         return false;
 603 }
 604
 605 bool GenericCAO::collideWithObjects()
 606 {
 607         return m_prop.collideWithObjects;
 608 }
 609
 610 void GenericCAO::initialize(const std::string &data)
 611 {
 612         infostream<<"GenericCAO: Got init data"<<std::endl;
 613         std::istringstream is(data, std::ios::binary);
 614         int num_messages = 0;
 615         // version
 616         u8 version = readU8(is);
 617         // check version
 618         if(version == 1) // In PROTOCOL_VERSION 14
 619         {
 620                 m_name = deSerializeString(is);
 621                 m_is_player = readU8(is);
 622                 m_id = readS16(is);
 623                 m_position = readV3F1000(is);
 624                 m_yaw = readF1000(is);
 625                 m_hp = readS16(is);
 626                 num_messages = readU8(is);
 627         }
 628         else if(version == 0) // In PROTOCOL_VERSION 13
 629         {
 630                 m_name = deSerializeString(is);
 631                 m_is_player = readU8(is);
 632                 m_position = readV3F1000(is);
 633                 m_yaw = readF1000(is);
 634                 m_hp = readS16(is);
 635                 num_messages = readU8(is);
 636         }
 637         else
 638         {
 639                 errorstream<<"GenericCAO: Unsupported init data version"
 640                                 <<std::endl;
 641                 return;
 642         }
 643
 644         for(int i=0; i<num_messages; i++)
 645         {
 646                 std::string message = deSerializeLongString(is);
 647                 processMessage(message);
 648         }
 649
 650         pos_translator.init(m_position);
 651         updateNodePos();
 652
 653         if(m_is_player)
 654         {
 655                 Player *player = m_env->getPlayer(m_name.c_str());
 656                 if(player && player->isLocal())
 657                 {
 658                         m_is_local_player = true;
 659                         m_is_visible = false;
 660                         LocalPlayer* localplayer = dynamic_cast<LocalPlayer*>(player);
 661
 662                         assert( localplayer != NULL );
 663                         localplayer->setCAO(this);
 664                 }
 665                 m_env->addPlayerName(m_name.c_str());
 666         }
 667 }
 668
 669 GenericCAO::~GenericCAO()
 670 {
 671         if(m_is_player)
 672         {
 673                 m_env->removePlayerName(m_name.c_str());
 674         }
 675         removeFromScene(true);
 676 }
 677
 678 core::aabbox3d<f32>* GenericCAO::getSelectionBox()
 679 {
 680         if(!m_prop.is_visible || !m_is_visible || m_is_local_player || getParent() != NULL)
 681                 return NULL;
 682         return &m_selection_box;
 683 }
 684
 685 v3f GenericCAO::getPosition()
 686 {
 687         if (getParent() != NULL) {
 688                 scene::ISceneNode *node = getSceneNode();
 689                 if (node)
 690                         return node->getAbsolutePosition();
 691                 else
 692                         return m_position;
 693         }
 694         return pos_translator.vect_show;
 695 }
 696
 697 scene::ISceneNode* GenericCAO::getSceneNode()
 698 {
 699         if (m_meshnode)
 700                 return m_meshnode;
 701         if (m_animated_meshnode)
 702                 return m_animated_meshnode;
 703         if (m_wield_meshnode)
 704                 return m_wield_meshnode;
 705         if (m_spritenode)
 706                 return m_spritenode;
 707         return NULL;
 708 }
 709
 710 scene::IMeshSceneNode* GenericCAO::getMeshSceneNode()
 711 {
 712         return m_meshnode;
 713 }
 714
 715 scene::IAnimatedMeshSceneNode* GenericCAO::getAnimatedMeshSceneNode()
 716 {
 717         return m_animated_meshnode;
 718 }
 719
 720 WieldMeshSceneNode* GenericCAO::getWieldMeshSceneNode()
 721 {
 722         return m_wield_meshnode;
 723 }
 724
 725 scene::IBillboardSceneNode* GenericCAO::getSpriteSceneNode()
 726 {
 727         return m_spritenode;
 728 }
 729
 730 void GenericCAO::setChildrenVisible(bool toset)
 731 {
 732         for (std::vector<u16>::size_type i = 0; i < m_children.size(); i++) {
 733                 GenericCAO *obj = m_env->getGenericCAO(m_children[i]);
 734                 if (obj) {
 735                         obj->setVisible(toset);
 736                 }
 737         }
 738 }
 739
 740 void GenericCAO::setAttachments()
 741 {
 742         updateAttachments();
 743 }
 744
 745 ClientActiveObject* GenericCAO::getParent()
 746 {
 747         ClientActiveObject *obj = NULL;
 748
 749         u16 attached_id = m_env->attachement_parent_ids[getId()];
 750
 751         if ((attached_id != 0) &&
 752                         (attached_id != getId())) {
 753                 obj = m_env->getActiveObject(attached_id);
 754         }
 755         return obj;
 756 }
 757
 758 void GenericCAO::removeFromScene(bool permanent)
 759 {
 760         // Should be true when removing the object permanently and false when refreshing (eg: updating visuals)
 761         if((m_env != NULL) && (permanent))
 762         {
 763                 for (std::vector<u16>::size_type i = 0; i < m_children.size(); i++) {
 764                         u16 ci = m_children[i];
 765                         if (m_env->attachement_parent_ids[ci] == getId()) {
 766                                 m_env->attachement_parent_ids[ci] = 0;
 767                         }
 768                 }
 769
 770                 m_env->attachement_parent_ids[getId()] = 0;
 771
 772                 LocalPlayer* player = m_env->getLocalPlayer();
 773                 if (this == player->parent) {
 774                         player->parent = NULL;
 775                         player->isAttached = false;
 776                 }
 777         }
 778
 779         if(m_meshnode)
 780         {
 781                 m_meshnode->remove();
 782                 m_meshnode->drop();
 783                 m_meshnode = NULL;
 784         }
 785         if(m_animated_meshnode)
 786         {
 787                 m_animated_meshnode->remove();
 788                 m_animated_meshnode->drop();
 789                 m_animated_meshnode = NULL;
 790         }
 791         if(m_wield_meshnode)
 792         {
 793                 m_wield_meshnode->remove();
 794                 m_wield_meshnode->drop();
 795                 m_wield_meshnode = NULL;
 796         }
 797         if(m_spritenode)
 798         {
 799                 m_spritenode->remove();
 800                 m_spritenode->drop();
 801                 m_spritenode = NULL;
 802         }
 803         if (m_textnode)
 804         {
 805                 m_textnode->remove();
 806                 m_textnode->drop();
 807                 m_textnode = NULL;
 808         }
 809 }
 810
 811 void GenericCAO::addToScene(scene::ISceneManager *smgr, ITextureSource *tsrc,
 812                 IrrlichtDevice *irr)
 813 {
 814         m_smgr = smgr;
 815         m_irr = irr;
 816
 817         if (getSceneNode() != NULL)
 818                 return;
 819
 820         m_visuals_expired = false;
 821
 822         if(!m_prop.is_visible)
 823                 return;
 824
 825         //video::IVideoDriver* driver = smgr->getVideoDriver();
 826
 827         if(m_prop.visual == "sprite")
 828         {
 829                 infostream<<"GenericCAO::addToScene(): single_sprite"<<std::endl;
 830                 m_spritenode = smgr->addBillboardSceneNode(
 831                                 NULL, v2f(1, 1), v3f(0,0,0), -1);
 832                 m_spritenode->grab();
 833                 m_spritenode->setMaterialTexture(0,
 834                                 tsrc->getTextureForMesh("unknown_node.png"));
 835                 m_spritenode->setMaterialFlag(video::EMF_LIGHTING, false);
 836                 m_spritenode->setMaterialFlag(video::EMF_BILINEAR_FILTER, false);
 837                 m_spritenode->setMaterialType(video::EMT_TRANSPARENT_ALPHA_CHANNEL_REF);
 838                 m_spritenode->setMaterialFlag(video::EMF_FOG_ENABLE, true);
 839                 u8 li = m_last_light;
 840                 m_spritenode->setColor(video::SColor(255,li,li,li));
 841                 m_spritenode->setSize(m_prop.visual_size*BS);
 842                 {
 843                         const float txs = 1.0 / 1;
 844                         const float tys = 1.0 / 1;
 845                         setBillboardTextureMatrix(m_spritenode,
 846                                         txs, tys, 0, 0);
 847                 }
 848         }
 849         else if(m_prop.visual == "upright_sprite") {
 850                 scene::SMesh *mesh = new scene::SMesh();
 851                 double dx = BS*m_prop.visual_size.X/2;
 852                 double dy = BS*m_prop.visual_size.Y/2;
 853                 { // Front
 854                 scene::IMeshBuffer *buf = new scene::SMeshBuffer();
 855                 u8 li = m_last_light;
 856                 video::SColor c(255,li,li,li);
 857                 video::S3DVertex vertices[4] =
 858                 {
 859                         video::S3DVertex(-dx,-dy,0, 0,0,0, c, 0,1),
 860                         video::S3DVertex(dx,-dy,0, 0,0,0, c, 1,1),
 861                         video::S3DVertex(dx,dy,0, 0,0,0, c, 1,0),
 862                         video::S3DVertex(-dx,dy,0, 0,0,0, c, 0,0),
 863                 };
 864                 u16 indices[] = {0,1,2,2,3,0};
 865                 buf->append(vertices, 4, indices, 6);
 866                 // Set material
 867                 buf->getMaterial().setFlag(video::EMF_LIGHTING, false);
 868                 buf->getMaterial().setFlag(video::EMF_BILINEAR_FILTER, false);
 869                 buf->getMaterial().setFlag(video::EMF_FOG_ENABLE, true);
 870                 buf->getMaterial().MaterialType = video::EMT_TRANSPARENT_ALPHA_CHANNEL;
 871                 // Add to mesh
 872                 mesh->addMeshBuffer(buf);
 873                 buf->drop();
 874                 }
 875                 { // Back
 876                 scene::IMeshBuffer *buf = new scene::SMeshBuffer();
 877                 u8 li = m_last_light;
 878                 video::SColor c(255,li,li,li);
 879                 video::S3DVertex vertices[4] =
 880                 {
 881                         video::S3DVertex(dx,-dy,0, 0,0,0, c, 1,1),
 882                         video::S3DVertex(-dx,-dy,0, 0,0,0, c, 0,1),
 883                         video::S3DVertex(-dx,dy,0, 0,0,0, c, 0,0),
 884                         video::S3DVertex(dx,dy,0, 0,0,0, c, 1,0),
 885                 };
 886                 u16 indices[] = {0,1,2,2,3,0};
 887                 buf->append(vertices, 4, indices, 6);
 888                 // Set material
 889                 buf->getMaterial().setFlag(video::EMF_LIGHTING, false);
 890                 buf->getMaterial().setFlag(video::EMF_BILINEAR_FILTER, false);
 891                 buf->getMaterial().setFlag(video::EMF_FOG_ENABLE, true);
 892                 buf->getMaterial().MaterialType = video::EMT_TRANSPARENT_ALPHA_CHANNEL_REF;
 893                 // Add to mesh
 894                 mesh->addMeshBuffer(buf);
 895                 buf->drop();
 896                 }
 897                 m_meshnode = smgr->addMeshSceneNode(mesh, NULL);
 898                 m_meshnode->grab();
 899                 mesh->drop();
 900                 // Set it to use the materials of the meshbuffers directly.
 901                 // This is needed for changing the texture in the future
 902                 m_meshnode->setReadOnlyMaterials(true);
 903         }
 904         else if(m_prop.visual == "cube") {
 905                 infostream<<"GenericCAO::addToScene(): cube"<<std::endl;
 906                 scene::IMesh *mesh = createCubeMesh(v3f(BS,BS,BS));
 907                 m_meshnode = smgr->addMeshSceneNode(mesh, NULL);
 908                 m_meshnode->grab();
 909                 mesh->drop();
 910
 911                 m_meshnode->setScale(v3f(m_prop.visual_size.X,
 912                                 m_prop.visual_size.Y,
 913                                 m_prop.visual_size.X));
 914                 u8 li = m_last_light;
 915                 setMeshColor(m_meshnode->getMesh(), video::SColor(255,li,li,li));
 916
 917                 m_meshnode->setMaterialFlag(video::EMF_LIGHTING, false);
 918                 m_meshnode->setMaterialFlag(video::EMF_BILINEAR_FILTER, false);
 919                 m_meshnode->setMaterialType(video::EMT_TRANSPARENT_ALPHA_CHANNEL_REF);
 920                 m_meshnode->setMaterialFlag(video::EMF_FOG_ENABLE, true);
 921         }
 922         else if(m_prop.visual == "mesh") {
 923                 infostream<<"GenericCAO::addToScene(): mesh"<<std::endl;
 924                 scene::IAnimatedMesh *mesh = m_gamedef->getMesh(m_prop.mesh);
 925                 if(mesh)
 926                 {
 927                         m_animated_meshnode = smgr->addAnimatedMeshSceneNode(mesh, NULL);
 928                         m_animated_meshnode->grab();
 929                         mesh->drop(); // The scene node took hold of it
 930                         m_animated_meshnode->animateJoints(); // Needed for some animations
 931                         m_animated_meshnode->setScale(v3f(m_prop.visual_size.X,
 932                                         m_prop.visual_size.Y,
 933                                         m_prop.visual_size.X));
 934                         u8 li = m_last_light;
 935                         setMeshColor(m_animated_meshnode->getMesh(), video::SColor(255,li,li,li));
 936
 937                         m_animated_meshnode->setMaterialFlag(video::EMF_LIGHTING, false);
 938                         m_animated_meshnode->setMaterialFlag(video::EMF_BILINEAR_FILTER, false);
 939                         m_animated_meshnode->setMaterialType(video::EMT_TRANSPARENT_ALPHA_CHANNEL_REF);
 940                         m_animated_meshnode->setMaterialFlag(video::EMF_FOG_ENABLE, true);
 941                 }
 942                 else
 943                         errorstream<<"GenericCAO::addToScene(): Could not load mesh "<<m_prop.mesh<<std::endl;
 944         }
 945         else if(m_prop.visual == "wielditem") {
 946                 infostream<<"GenericCAO::addToScene(): wielditem"<<std::endl;
 947                 infostream<<"textures: "<<m_prop.textures.size()<<std::endl;
 948                 if(m_prop.textures.size() >= 1){
 949                         infostream<<"textures[0]: "<<m_prop.textures[0]<<std::endl;
 950                         IItemDefManager *idef = m_gamedef->idef();
 951                         ItemStack item(m_prop.textures[0], 1, 0, "", idef);
 952
 953                         m_wield_meshnode = new WieldMeshSceneNode(
 954                                         smgr->getRootSceneNode(), smgr, -1);
 955                         m_wield_meshnode->setItem(item, m_gamedef);
 956
 957                         m_wield_meshnode->setScale(v3f(m_prop.visual_size.X/2,
 958                                         m_prop.visual_size.Y/2,
 959                                         m_prop.visual_size.X/2));
 960                         u8 li = m_last_light;
 961                         m_wield_meshnode->setColor(video::SColor(255,li,li,li));
 962                 }
 963         } else {
 964                 infostream<<"GenericCAO::addToScene(): \""<<m_prop.visual
 965                                 <<"\" not supported"<<std::endl;
 966         }
 967         updateTextures("");
 968
 969         scene::ISceneNode *node = getSceneNode();
 970         if (node && m_is_player && !m_is_local_player) {
 971                 // Add a text node for showing the name
 972                 gui::IGUIEnvironment* gui = irr->getGUIEnvironment();
 973                 std::wstring wname = utf8_to_wide(m_name);
 974                 m_textnode = smgr->addTextSceneNode(gui->getSkin()->getFont(),
 975                                 wname.c_str(), m_nametag_color, node);
 976                 m_textnode->grab();
 977                 m_textnode->setPosition(v3f(0, BS*1.1, 0));
 978
 979                 // Enforce hiding nametag,
 980                 // because if freetype is enabled, a grey
 981                 // shadow can remain.
 982                 m_textnode->setVisible(m_nametag_color.getAlpha() > 0);
 983         }
 984
 985         updateNodePos();
 986         updateAnimation();
 987         updateBonePosition();
 988         updateAttachments();
 989 }
 990
 991 void GenericCAO::updateLight(u8 light_at_pos)
 992 {
 993         // Don't update light of attached one
 994         if (getParent() != NULL) {
 995                 return;
 996         }
 997
 998         updateLightNoCheck(light_at_pos);
 999
1000         // Update light of all children
1001         for (std::vector<u16>::size_type i = 0; i < m_children.size(); i++) {
1002                 ClientActiveObject *obj = m_env->getActiveObject(m_children[i]);
1003                 if (obj) {
1004                         obj->updateLightNoCheck(light_at_pos);
1005                 }
1006         }
1007 }
1008
1009 void GenericCAO::updateLightNoCheck(u8 light_at_pos)
1010 {
1011         u8 li = decode_light(light_at_pos);
1012         if (li != m_last_light) {
1013                 m_last_light = li;
1014                 video::SColor color(255,li,li,li);
1015                 if (m_meshnode) {
1016                         setMeshColor(m_meshnode->getMesh(), color);
1017                 } else if (m_animated_meshnode) {
1018                         setMeshColor(m_animated_meshnode->getMesh(), color);
1019                 } else if (m_wield_meshnode) {
1020                         m_wield_meshnode->setColor(color);
1021                 } else if (m_spritenode) {
1022                         m_spritenode->setColor(color);
1023                 }
1024         }
1025 }
1026
1027 v3s16 GenericCAO::getLightPosition()
1028 {
1029         return floatToInt(m_position, BS);
1030 }
1031
1032 void GenericCAO::updateNodePos()
1033 {
1034         if (getParent() != NULL)
1035                 return;
1036
1037         scene::ISceneNode *node = getSceneNode();
1038
1039         if (node) {
1040                 v3s16 camera_offset = m_env->getCameraOffset();
1041                 node->setPosition(pos_translator.vect_show - intToFloat(camera_offset, BS));
1042                 if (node != m_spritenode) { // rotate if not a sprite
1043                         v3f rot = node->getRotation();
1044                         rot.Y = -m_yaw;
1045                         node->setRotation(rot);
1046                 }
1047         }
1048 }
1049
1050 void GenericCAO::step(float dtime, ClientEnvironment *env)
1051 {
1052         // Handel model of local player instantly to prevent lags
1053         if(m_is_local_player)
1054         {
1055                 LocalPlayer *player = m_env->getLocalPlayer();
1056
1057                 if (m_is_visible)
1058                 {
1059                         int old_anim = player->last_animation;
1060                         float old_anim_speed = player->last_animation_speed;
1061                         m_position = player->getPosition() + v3f(0,BS,0);
1062                         m_velocity = v3f(0,0,0);
1063                         m_acceleration = v3f(0,0,0);
1064                         pos_translator.vect_show = m_position;
1065                         m_yaw = player->getYaw();
1066                         PlayerControl controls = player->getPlayerControl();
1067
1068                         bool walking = false;
1069                         if(controls.up || controls.down || controls.left || controls.right)
1070                                 walking = true;
1071
1072                         f32 new_speed = player->local_animation_speed;
1073                         v2s32 new_anim = v2s32(0,0);
1074                         bool allow_update = false;
1075
1076                         // increase speed if using fast or flying fast
1077                         if((g_settings->getBool("fast_move") &&
1078                                         m_gamedef->checkLocalPrivilege("fast")) &&
1079                                         (controls.aux1 ||
1080                                         (!player->touching_ground &&
1081                                         g_settings->getBool("free_move") &&
1082                                         m_gamedef->checkLocalPrivilege("fly"))))
1083                                         new_speed *= 1.5;
1084                         // slowdown speed if sneeking
1085                         if(controls.sneak && walking)
1086                                 new_speed /= 2;
1087
1088                         if(walking && (controls.LMB || controls.RMB))
1089                         {
1090                                 new_anim = player->local_animations[3];
1091                                 player->last_animation = WD_ANIM;
1092                         } else if(walking) {
1093                                 new_anim = player->local_animations[1];
1094                                 player->last_animation = WALK_ANIM;
1095                         } else if(controls.LMB || controls.RMB) {
1096                                 new_anim = player->local_animations[2];
1097                                 player->last_animation = DIG_ANIM;
1098                         }
1099
1100                         // Apply animations if input detected and not attached
1101                         // or set idle animation
1102                         if ((new_anim.X + new_anim.Y) > 0 && !player->isAttached)
1103                         {
1104                                 allow_update = true;
1105                                 m_animation_range = new_anim;
1106                                 m_animation_speed = new_speed;
1107                                 player->last_animation_speed = m_animation_speed;
1108                         } else {
1109                                 player->last_animation = NO_ANIM;
1110
1111                                 if (old_anim != NO_ANIM)
1112                                 {
1113                                         m_animation_range = player->local_animations[0];
1114                                         updateAnimation();
1115                                 }
1116                         }
1117
1118                         // Update local player animations
1119                         if ((player->last_animation != old_anim ||
1120                                 m_animation_speed != old_anim_speed) &&
1121                                 player->last_animation != NO_ANIM && allow_update)
1122                                         updateAnimation();
1123
1124                 }
1125         }
1126
1127         if(m_visuals_expired && m_smgr && m_irr){
1128                 m_visuals_expired = false;
1129
1130                 // Attachments, part 1: All attached objects must be unparented first,
1131                 // or Irrlicht causes a segmentation fault
1132                 for(std::vector<u16>::iterator ci = m_children.begin();
1133                                 ci != m_children.end();)
1134                 {
1135                         if (m_env->attachement_parent_ids[*ci] != getId()) {
1136                                 ci = m_children.erase(ci);
1137                                 continue;
1138                         }
1139                         ClientActiveObject *obj = m_env->getActiveObject(*ci);
1140                         if (obj) {
1141                                 scene::ISceneNode *child_node = obj->getSceneNode();
1142                                 if (child_node)
1143                                         child_node->setParent(m_smgr->getRootSceneNode());
1144                         }
1145                         ++ci;
1146                 }
1147
1148                 removeFromScene(false);
1149                 addToScene(m_smgr, m_gamedef->tsrc(), m_irr);
1150
1151                 // Attachments, part 2: Now that the parent has been refreshed, put its attachments back
1152                 for (std::vector<u16>::size_type i = 0; i < m_children.size(); i++) {
1153                         // Get the object of the child
1154                         ClientActiveObject *obj = m_env->getActiveObject(m_children[i]);
1155                         if (obj)
1156                                 obj->setAttachments();
1157                 }
1158         }
1159
1160         // Make sure m_is_visible is always applied
1161         scene::ISceneNode *node = getSceneNode();
1162         if (node)
1163                 node->setVisible(m_is_visible);
1164
1165         if(getParent() != NULL) // Attachments should be glued to their parent by Irrlicht
1166         {
1167                 // Set these for later
1168                 m_position = getPosition();
1169                 m_velocity = v3f(0,0,0);
1170                 m_acceleration = v3f(0,0,0);
1171                 pos_translator.vect_show = m_position;
1172
1173                 if(m_is_local_player) // Update local player attachment position
1174                 {
1175                         LocalPlayer *player = m_env->getLocalPlayer();
1176                         player->overridePosition = getParent()->getPosition();
1177                         m_env->getLocalPlayer()->parent = getParent();
1178                 }
1179         } else {
1180                 v3f lastpos = pos_translator.vect_show;
1181
1182                 if(m_prop.physical)
1183                 {
1184                         core::aabbox3d<f32> box = m_prop.collisionbox;
1185                         box.MinEdge *= BS;
1186                         box.MaxEdge *= BS;
1187                         collisionMoveResult moveresult;
1188                         f32 pos_max_d = BS*0.125; // Distance per iteration
1189                         v3f p_pos = m_position;
1190                         v3f p_velocity = m_velocity;
1191                         v3f p_acceleration = m_acceleration;
1192                         moveresult = collisionMoveSimple(env,env->getGameDef(),
1193                                         pos_max_d, box, m_prop.stepheight, dtime,
1194                                         p_pos, p_velocity, p_acceleration,
1195                                         this, m_prop.collideWithObjects);
1196                         // Apply results
1197                         m_position = p_pos;
1198                         m_velocity = p_velocity;
1199                         m_acceleration = p_acceleration;
1200
1201                         bool is_end_position = moveresult.collides;
1202                         pos_translator.update(m_position, is_end_position, dtime);
1203                         pos_translator.translate(dtime);
1204                         updateNodePos();
1205                 } else {
1206                         m_position += dtime * m_velocity + 0.5 * dtime * dtime * m_acceleration;
1207                         m_velocity += dtime * m_acceleration;
1208                         pos_translator.update(m_position, pos_translator.aim_is_end,
1209                                         pos_translator.anim_time);
1210                         pos_translator.translate(dtime);
1211                         updateNodePos();
1212                 }
1213
1214                 float moved = lastpos.getDistanceFrom(pos_translator.vect_show);
1215                 m_step_distance_counter += moved;
1216                 if(m_step_distance_counter > 1.5*BS)
1217                 {
1218                         m_step_distance_counter = 0;
1219                         if(!m_is_local_player && m_prop.makes_footstep_sound)
1220                         {
1221                                 INodeDefManager *ndef = m_gamedef->ndef();
1222                                 v3s16 p = floatToInt(getPosition() + v3f(0,
1223                                                 (m_prop.collisionbox.MinEdge.Y-0.5)*BS, 0), BS);
1224                                 MapNode n = m_env->getMap().getNodeNoEx(p);
1225                                 SimpleSoundSpec spec = ndef->get(n).sound_footstep;
1226                                 m_gamedef->sound()->playSoundAt(spec, false, getPosition());
1227                         }
1228                 }
1229         }
1230
1231         m_anim_timer += dtime;
1232         if(m_anim_timer >= m_anim_framelength)
1233         {
1234                 m_anim_timer -= m_anim_framelength;
1235                 m_anim_frame++;
1236                 if(m_anim_frame >= m_anim_num_frames)
1237                         m_anim_frame = 0;
1238         }
1239
1240         updateTexturePos();
1241
1242         if(m_reset_textures_timer >= 0)
1243         {
1244                 m_reset_textures_timer -= dtime;
1245                 if(m_reset_textures_timer <= 0){
1246                         m_reset_textures_timer = -1;
1247                         updateTextures("");
1248                 }
1249         }
1250         if(getParent() == NULL && fabs(m_prop.automatic_rotate) > 0.001)
1251         {
1252                 m_yaw += dtime * m_prop.automatic_rotate * 180 / M_PI;
1253                 updateNodePos();
1254         }
1255
1256         if (getParent() == NULL && m_prop.automatic_face_movement_dir &&
1257                         (fabs(m_velocity.Z) > 0.001 || fabs(m_velocity.X) > 0.001))
1258         {
1259                 m_yaw = atan2(m_velocity.Z,m_velocity.X) * 180 / M_PI
1260                                 + m_prop.automatic_face_movement_dir_offset;
1261                 updateNodePos();
1262         }
1263 }
1264
1265 void GenericCAO::updateTexturePos()
1266 {
1267         if(m_spritenode)
1268         {
1269                 scene::ICameraSceneNode* camera =
1270                                 m_spritenode->getSceneManager()->getActiveCamera();
1271                 if(!camera)
1272                         return;
1273                 v3f cam_to_entity = m_spritenode->getAbsolutePosition()
1274                                 - camera->getAbsolutePosition();
1275                 cam_to_entity.normalize();
1276
1277                 int row = m_tx_basepos.Y;
1278                 int col = m_tx_basepos.X;
1279
1280                 if(m_tx_select_horiz_by_yawpitch)
1281                 {
1282                         if(cam_to_entity.Y > 0.75)
1283                                 col += 5;
1284                         else if(cam_to_entity.Y < -0.75)
1285                                 col += 4;
1286                         else{
1287                                 float mob_dir =
1288                                                 atan2(cam_to_entity.Z, cam_to_entity.X) / M_PI * 180.;
1289                                 float dir = mob_dir - m_yaw;
1290                                 dir = wrapDegrees_180(dir);
1291                                 //infostream<<"id="<<m_id<<" dir="<<dir<<std::endl;
1292                                 if(fabs(wrapDegrees_180(dir - 0)) <= 45.1)
1293                                         col += 2;
1294                                 else if(fabs(wrapDegrees_180(dir - 90)) <= 45.1)
1295                                         col += 3;
1296                                 else if(fabs(wrapDegrees_180(dir - 180)) <= 45.1)
1297                                         col += 0;
1298                                 else if(fabs(wrapDegrees_180(dir + 90)) <= 45.1)
1299                                         col += 1;
1300                                 else
1301                                         col += 4;
1302                         }
1303                 }
1304
1305                 // Animation goes downwards
1306                 row += m_anim_frame;
1307
1308                 float txs = m_tx_size.X;
1309                 float tys = m_tx_size.Y;
1310                 setBillboardTextureMatrix(m_spritenode,
1311                                 txs, tys, col, row);
1312         }
1313 }
1314
1315 void GenericCAO::updateTextures(const std::string &mod)
1316 {
1317         ITextureSource *tsrc = m_gamedef->tsrc();
1318
1319         bool use_trilinear_filter = g_settings->getBool("trilinear_filter");
1320         bool use_bilinear_filter = g_settings->getBool("bilinear_filter");
1321         bool use_anisotropic_filter = g_settings->getBool("anisotropic_filter");
1322
1323         if(m_spritenode)
1324         {
1325                 if(m_prop.visual == "sprite")
1326                 {
1327                         std::string texturestring = "unknown_node.png";
1328                         if(m_prop.textures.size() >= 1)
1329                                 texturestring = m_prop.textures[0];
1330                         texturestring += mod;
1331                         m_spritenode->setMaterialTexture(0,
1332                                         tsrc->getTextureForMesh(texturestring));
1333
1334                         // This allows setting per-material colors. However, until a real lighting
1335                         // system is added, the code below will have no effect. Once MineTest
1336                         // has directional lighting, it should work automatically.
1337                         if(m_prop.colors.size() >= 1)
1338                         {
1339                                 m_spritenode->getMaterial(0).AmbientColor = m_prop.colors[0];
1340                                 m_spritenode->getMaterial(0).DiffuseColor = m_prop.colors[0];
1341                                 m_spritenode->getMaterial(0).SpecularColor = m_prop.colors[0];
1342                         }
1343
1344                         m_spritenode->getMaterial(0).setFlag(video::EMF_TRILINEAR_FILTER, use_trilinear_filter);
1345                         m_spritenode->getMaterial(0).setFlag(video::EMF_BILINEAR_FILTER, use_bilinear_filter);
1346                         m_spritenode->getMaterial(0).setFlag(video::EMF_ANISOTROPIC_FILTER, use_anisotropic_filter);
1347                 }
1348         }
1349         if(m_animated_meshnode)
1350         {
1351                 if(m_prop.visual == "mesh")
1352                 {
1353                         for (u32 i = 0; i < m_prop.textures.size() &&
1354                                         i < m_animated_meshnode->getMaterialCount(); ++i)
1355                         {
1356                                 std::string texturestring = m_prop.textures[i];
1357                                 if(texturestring == "")
1358                                         continue; // Empty texture string means don't modify that material
1359                                 texturestring += mod;
1360                                 video::ITexture* texture = tsrc->getTextureForMesh(texturestring);
1361                                 if(!texture)
1362                                 {
1363                                         errorstream<<"GenericCAO::updateTextures(): Could not load texture "<<texturestring<<std::endl;
1364                                         continue;
1365                                 }
1366
1367                                 // Set material flags and texture
1368                                 video::SMaterial& material = m_animated_meshnode->getMaterial(i);
1369                                 material.TextureLayer[0].Texture = texture;
1370                                 material.setFlag(video::EMF_LIGHTING, false);
1371                                 material.setFlag(video::EMF_BILINEAR_FILTER, false);
1372
1373                                 m_animated_meshnode->getMaterial(i)
1374                                                 .setFlag(video::EMF_TRILINEAR_FILTER, use_trilinear_filter);
1375                                 m_animated_meshnode->getMaterial(i)
1376                                                 .setFlag(video::EMF_BILINEAR_FILTER, use_bilinear_filter);
1377                                 m_animated_meshnode->getMaterial(i)
1378                                                 .setFlag(video::EMF_ANISOTROPIC_FILTER, use_anisotropic_filter);
1379                         }
1380                         for (u32 i = 0; i < m_prop.colors.size() &&
1381                         i < m_animated_meshnode->getMaterialCount(); ++i)
1382                         {
1383                                 // This allows setting per-material colors. However, until a real lighting
1384                                 // system is added, the code below will have no effect. Once MineTest
1385                                 // has directional lighting, it should work automatically.
1386                                 m_animated_meshnode->getMaterial(i).AmbientColor = m_prop.colors[i];
1387                                 m_animated_meshnode->getMaterial(i).DiffuseColor = m_prop.colors[i];
1388                                 m_animated_meshnode->getMaterial(i).SpecularColor = m_prop.colors[i];
1389                         }
1390                 }
1391         }
1392         if(m_meshnode)
1393         {
1394                 if(m_prop.visual == "cube")
1395                 {
1396                         for (u32 i = 0; i < 6; ++i)
1397                         {
1398                                 std::string texturestring = "unknown_node.png";
1399                                 if(m_prop.textures.size() > i)
1400                                         texturestring = m_prop.textures[i];
1401                                 texturestring += mod;
1402
1403
1404                                 // Set material flags and texture
1405                                 video::SMaterial& material = m_meshnode->getMaterial(i);
1406                                 material.setFlag(video::EMF_LIGHTING, false);
1407                                 material.setFlag(video::EMF_BILINEAR_FILTER, false);
1408                                 material.setTexture(0,
1409                                                 tsrc->getTextureForMesh(texturestring));
1410                                 material.getTextureMatrix(0).makeIdentity();
1411
1412                                 // This allows setting per-material colors. However, until a real lighting
1413                                 // system is added, the code below will have no effect. Once MineTest
1414                                 // has directional lighting, it should work automatically.
1415                                 if(m_prop.colors.size() > i)
1416                                 {
1417                                         m_meshnode->getMaterial(i).AmbientColor = m_prop.colors[i];
1418                                         m_meshnode->getMaterial(i).DiffuseColor = m_prop.colors[i];
1419                                         m_meshnode->getMaterial(i).SpecularColor = m_prop.colors[i];
1420                                 }
1421
1422                                 m_meshnode->getMaterial(i).setFlag(video::EMF_TRILINEAR_FILTER, use_trilinear_filter);
1423                                 m_meshnode->getMaterial(i).setFlag(video::EMF_BILINEAR_FILTER, use_bilinear_filter);
1424                                 m_meshnode->getMaterial(i).setFlag(video::EMF_ANISOTROPIC_FILTER, use_anisotropic_filter);
1425                         }
1426                 }
1427                 else if(m_prop.visual == "upright_sprite")
1428                 {
1429                         scene::IMesh *mesh = m_meshnode->getMesh();
1430                         {
1431                                 std::string tname = "unknown_object.png";
1432                                 if(m_prop.textures.size() >= 1)
1433                                         tname = m_prop.textures[0];
1434                                 tname += mod;
1435                                 scene::IMeshBuffer *buf = mesh->getMeshBuffer(0);
1436                                 buf->getMaterial().setTexture(0,
1437                                                 tsrc->getTextureForMesh(tname));
1438
1439                                 // This allows setting per-material colors. However, until a real lighting
1440                                 // system is added, the code below will have no effect. Once MineTest
1441                                 // has directional lighting, it should work automatically.
1442                                 if(m_prop.colors.size() >= 1)
1443                                 {
1444                                         buf->getMaterial().AmbientColor = m_prop.colors[0];
1445                                         buf->getMaterial().DiffuseColor = m_prop.colors[0];
1446                                         buf->getMaterial().SpecularColor = m_prop.colors[0];
1447                                 }
1448
1449                                 buf->getMaterial().setFlag(video::EMF_TRILINEAR_FILTER, use_trilinear_filter);
1450                                 buf->getMaterial().setFlag(video::EMF_BILINEAR_FILTER, use_bilinear_filter);
1451                                 buf->getMaterial().setFlag(video::EMF_ANISOTROPIC_FILTER, use_anisotropic_filter);
1452                         }
1453                         {
1454                                 std::string tname = "unknown_object.png";
1455                                 if(m_prop.textures.size() >= 2)
1456                                         tname = m_prop.textures[1];
1457                                 else if(m_prop.textures.size() >= 1)
1458                                         tname = m_prop.textures[0];
1459                                 tname += mod;
1460                                 scene::IMeshBuffer *buf = mesh->getMeshBuffer(1);
1461                                 buf->getMaterial().setTexture(0,
1462                                                 tsrc->getTextureForMesh(tname));
1463
1464                                 // This allows setting per-material colors. However, until a real lighting
1465                                 // system is added, the code below will have no effect. Once MineTest
1466                                 // has directional lighting, it should work automatically.
1467                                 if(m_prop.colors.size() >= 2)
1468                                 {
1469                                         buf->getMaterial().AmbientColor = m_prop.colors[1];
1470                                         buf->getMaterial().DiffuseColor = m_prop.colors[1];
1471                                         buf->getMaterial().SpecularColor = m_prop.colors[1];
1472                                 }
1473                                 else if(m_prop.colors.size() >= 1)
1474                                 {
1475                                         buf->getMaterial().AmbientColor = m_prop.colors[0];
1476                                         buf->getMaterial().DiffuseColor = m_prop.colors[0];
1477                                         buf->getMaterial().SpecularColor = m_prop.colors[0];
1478                                 }
1479
1480                                 buf->getMaterial().setFlag(video::EMF_TRILINEAR_FILTER, use_trilinear_filter);
1481                                 buf->getMaterial().setFlag(video::EMF_BILINEAR_FILTER, use_bilinear_filter);
1482                                 buf->getMaterial().setFlag(video::EMF_ANISOTROPIC_FILTER, use_anisotropic_filter);
1483                         }
1484                 }
1485         }
1486 }
1487
1488 void GenericCAO::updateAnimation()
1489 {
1490         if(m_animated_meshnode == NULL)
1491                 return;
1492
1493         if (m_animated_meshnode->getStartFrame() != m_animation_range.X ||
1494                 m_animated_meshnode->getEndFrame() != m_animation_range.Y)
1495                         m_animated_meshnode->setFrameLoop(m_animation_range.X, m_animation_range.Y);
1496         if (m_animated_meshnode->getAnimationSpeed() != m_animation_speed)
1497                 m_animated_meshnode->setAnimationSpeed(m_animation_speed);
1498         m_animated_meshnode->setTransitionTime(m_animation_blend);
1499 // Requires Irrlicht 1.8 or greater
1500 #if (IRRLICHT_VERSION_MAJOR == 1 && IRRLICHT_VERSION_MINOR >= 8) || IRRLICHT_VERSION_MAJOR > 1
1501         if (m_animated_meshnode->getLoopMode() != m_animation_loop)
1502                 m_animated_meshnode->setLoopMode(m_animation_loop);
1503 #endif
1504 }
1505
1506 void GenericCAO::updateBonePosition()
1507 {
1508         if(m_bone_position.empty() || m_animated_meshnode == NULL)
1509                 return;
1510
1511         m_animated_meshnode->setJointMode(irr::scene::EJUOR_CONTROL); // To write positions to the mesh on render
1512         for(std::map<std::string,
1513                         core::vector2d<v3f> >::const_iterator ii = m_bone_position.begin();
1514                         ii != m_bone_position.end(); ++ii)
1515         {
1516                 std::string bone_name = (*ii).first;
1517                 v3f bone_pos = (*ii).second.X;
1518                 v3f bone_rot = (*ii).second.Y;
1519                 irr::scene::IBoneSceneNode* bone = m_animated_meshnode->getJointNode(bone_name.c_str());
1520                 if(bone)
1521                 {
1522                         bone->setPosition(bone_pos);
1523                         bone->setRotation(bone_rot);
1524                 }
1525         }
1526 }
1527
1528 void GenericCAO::updateAttachments()
1529 {
1530
1531         if (getParent() == NULL) { // Detach or don't attach
1532                 scene::ISceneNode *node = getSceneNode();
1533                 if (node) {
1534                         v3f old_position = node->getAbsolutePosition();
1535                         v3f old_rotation = node->getRotation();
1536                         node->setParent(m_smgr->getRootSceneNode());
1537                         node->setPosition(old_position);
1538                         node->setRotation(old_rotation);
1539                         node->updateAbsolutePosition();
1540                 }
1541                 if (m_is_local_player) {
1542                         LocalPlayer *player = m_env->getLocalPlayer();
1543                         player->isAttached = false;
1544                 }
1545         }
1546         else // Attach
1547         {
1548                 scene::ISceneNode *my_node = getSceneNode();
1549
1550                 scene::ISceneNode *parent_node = getParent()->getSceneNode();
1551                 scene::IAnimatedMeshSceneNode *parent_animated_mesh_node =
1552                                 getParent()->getAnimatedMeshSceneNode();
1553                 if (parent_animated_mesh_node && m_attachment_bone != "") {
1554                         parent_node = parent_animated_mesh_node->getJointNode(m_attachment_bone.c_str());
1555                 }
1556
1557                 if (my_node && parent_node) {
1558                         my_node->setParent(parent_node);
1559                         my_node->setPosition(m_attachment_position);
1560                         my_node->setRotation(m_attachment_rotation);
1561                         my_node->updateAbsolutePosition();
1562                 }
1563                 if (m_is_local_player) {
1564                         LocalPlayer *player = m_env->getLocalPlayer();
1565                         player->isAttached = true;
1566                 }
1567         }
1568 }
1569
1570 void GenericCAO::processMessage(const std::string &data)
1571 {
1572         //infostream<<"GenericCAO: Got message"<<std::endl;
1573         std::istringstream is(data, std::ios::binary);
1574         // command
1575         u8 cmd = readU8(is);
1576         if(cmd == GENERIC_CMD_SET_PROPERTIES)
1577         {
1578                 m_prop = gob_read_set_properties(is);
1579
1580                 m_selection_box = m_prop.collisionbox;
1581                 m_selection_box.MinEdge *= BS;
1582                 m_selection_box.MaxEdge *= BS;
1583
1584                 m_tx_size.X = 1.0 / m_prop.spritediv.X;
1585                 m_tx_size.Y = 1.0 / m_prop.spritediv.Y;
1586
1587                 if(!m_initial_tx_basepos_set){
1588                         m_initial_tx_basepos_set = true;
1589                         m_tx_basepos = m_prop.initial_sprite_basepos;
1590                 }
1591
1592                 expireVisuals();
1593         }
1594         else if(cmd == GENERIC_CMD_UPDATE_POSITION)
1595         {
1596                 // Not sent by the server if this object is an attachment.
1597                 // We might however get here if the server notices the object being detached before the client.
1598                 m_position = readV3F1000(is);
1599                 m_velocity = readV3F1000(is);
1600                 m_acceleration = readV3F1000(is);
1601                 if(fabs(m_prop.automatic_rotate) < 0.001)
1602                         m_yaw = readF1000(is);
1603                 else
1604                         readF1000(is);
1605                 bool do_interpolate = readU8(is);
1606                 bool is_end_position = readU8(is);
1607                 float update_interval = readF1000(is);
1608
1609                 // Place us a bit higher if we're physical, to not sink into
1610                 // the ground due to sucky collision detection...
1611                 if(m_prop.physical)
1612                         m_position += v3f(0,0.002,0);
1613
1614                 if(getParent() != NULL) // Just in case
1615                         return;
1616
1617                 if(do_interpolate)
1618                 {
1619                         if(!m_prop.physical)
1620                                 pos_translator.update(m_position, is_end_position, update_interval);
1621                 } else {
1622                         pos_translator.init(m_position);
1623                 }
1624                 updateNodePos();
1625         }
1626         else if(cmd == GENERIC_CMD_SET_TEXTURE_MOD) {
1627                 std::string mod = deSerializeString(is);
1628                 updateTextures(mod);
1629         }
1630         else if(cmd == GENERIC_CMD_SET_SPRITE) {
1631                 v2s16 p = readV2S16(is);
1632                 int num_frames = readU16(is);
1633                 float framelength = readF1000(is);
1634                 bool select_horiz_by_yawpitch = readU8(is);
1635
1636                 m_tx_basepos = p;
1637                 m_anim_num_frames = num_frames;
1638                 m_anim_framelength = framelength;
1639                 m_tx_select_horiz_by_yawpitch = select_horiz_by_yawpitch;
1640
1641                 updateTexturePos();
1642         }
1643         else if(cmd == GENERIC_CMD_SET_PHYSICS_OVERRIDE) {
1644                 float override_speed = readF1000(is);
1645                 float override_jump = readF1000(is);
1646                 float override_gravity = readF1000(is);
1647                 // these are sent inverted so we get true when the server sends nothing
1648                 bool sneak = !readU8(is);
1649                 bool sneak_glitch = !readU8(is);
1650
1651
1652                 if(m_is_local_player)
1653                 {
1654                         LocalPlayer *player = m_env->getLocalPlayer();
1655                         player->physics_override_speed = override_speed;
1656                         player->physics_override_jump = override_jump;
1657                         player->physics_override_gravity = override_gravity;
1658                         player->physics_override_sneak = sneak;
1659                         player->physics_override_sneak_glitch = sneak_glitch;
1660                 }
1661         }
1662         else if(cmd == GENERIC_CMD_SET_ANIMATION) {
1663                 // TODO: change frames send as v2s32 value
1664                 v2f range = readV2F1000(is);
1665                 if (!m_is_local_player) {
1666                         m_animation_range = v2s32((s32)range.X, (s32)range.Y);
1667                         m_animation_speed = readF1000(is);
1668                         m_animation_blend = readF1000(is);
1669                         // these are sent inverted so we get true when the server sends nothing
1670                         m_animation_loop = !readU8(is);
1671                         updateAnimation();
1672                 } else {
1673                         LocalPlayer *player = m_env->getLocalPlayer();
1674                         if(player->last_animation == NO_ANIM)
1675                         {
1676                                 m_animation_range = v2s32((s32)range.X, (s32)range.Y);
1677                                 m_animation_speed = readF1000(is);
1678                                 m_animation_blend = readF1000(is);
1679                                 // these are sent inverted so we get true when the server sends nothing
1680                                 m_animation_loop = !readU8(is);
1681                         }
1682                         // update animation only if local animations present
1683                         // and received animation is unknown (except idle animation)
1684                         bool is_known = false;
1685                         for (int i = 1;i<4;i++)
1686                         {
1687                                 if(m_animation_range.Y == player->local_animations[i].Y)
1688                                         is_known = true;
1689                         }
1690                         if(!is_known ||
1691                                         (player->local_animations[1].Y + player->local_animations[2].Y < 1))
1692                         {
1693                                         updateAnimation();
1694                         }
1695                 }
1696         }
1697         else if(cmd == GENERIC_CMD_SET_BONE_POSITION) {
1698                 std::string bone = deSerializeString(is);
1699                 v3f position = readV3F1000(is);
1700                 v3f rotation = readV3F1000(is);
1701                 m_bone_position[bone] = core::vector2d<v3f>(position, rotation);
1702
1703                 updateBonePosition();
1704         } else if (cmd == GENERIC_CMD_ATTACH_TO) {
1705                 u16 parentID = readS16(is);
1706                 u16 oldparent = m_env->attachement_parent_ids[getId()];
1707                 if (oldparent) {
1708                         m_children.erase(std::remove(m_children.begin(), m_children.end(),
1709                                 getId()), m_children.end());
1710                 }
1711                 m_env->attachement_parent_ids[getId()] = parentID;
1712                 GenericCAO *parentobj = m_env->getGenericCAO(parentID);
1713
1714                 if (parentobj) {
1715                         parentobj->m_children.push_back(getId());
1716                 }
1717
1718                 m_attachment_bone = deSerializeString(is);
1719                 m_attachment_position = readV3F1000(is);
1720                 m_attachment_rotation = readV3F1000(is);
1721
1722                 // localplayer itself can't be attached to localplayer
1723                 if (!m_is_local_player) {
1724                         m_attached_to_local = getParent() != NULL && getParent()->isLocalPlayer();
1725                         // Objects attached to the local player should be hidden by default
1726                         m_is_visible = !m_attached_to_local;
1727                 }
1728
1729                 updateAttachments();
1730         }
1731         else if(cmd == GENERIC_CMD_PUNCHED) {
1732                 /*s16 damage =*/ readS16(is);
1733                 s16 result_hp = readS16(is);
1734
1735                 // Use this instead of the send damage to not interfere with prediction
1736                 s16 damage = m_hp - result_hp;
1737
1738                 m_hp = result_hp;
1739
1740                 if (damage > 0)
1741                 {
1742                         if (m_hp <= 0)
1743                         {
1744                                 // TODO: Execute defined fast response
1745                                 // As there is no definition, make a smoke puff
1746                                 ClientSimpleObject *simple = createSmokePuff(
1747                                                 m_smgr, m_env, m_position,
1748                                                 m_prop.visual_size * BS);
1749                                 m_env->addSimpleObject(simple);
1750                         } else {
1751                                 // TODO: Execute defined fast response
1752                                 // Flashing shall suffice as there is no definition
1753                                 m_reset_textures_timer = 0.05;
1754                                 if(damage >= 2)
1755                                         m_reset_textures_timer += 0.05 * damage;
1756                                 updateTextures("^[brighten");
1757                         }
1758                 }
1759         }
1760         else if(cmd == GENERIC_CMD_UPDATE_ARMOR_GROUPS) {
1761                 m_armor_groups.clear();
1762                 int armor_groups_size = readU16(is);
1763                 for(int i=0; i<armor_groups_size; i++)
1764                 {
1765                         std::string name = deSerializeString(is);
1766                         int rating = readS16(is);
1767                         m_armor_groups[name] = rating;
1768                 }
1769         } else if (cmd == GENERIC_CMD_UPDATE_NAMETAG_ATTRIBUTES) {
1770                 readU8(is); // version
1771                 m_nametag_color = readARGB8(is);
1772                 if (m_textnode != NULL) {
1773                         m_textnode->setTextColor(m_nametag_color);
1774
1775                         // Enforce hiding nametag,
1776                         // because if freetype is enabled, a grey
1777                         // shadow can remain.
1778                         m_textnode->setVisible(m_nametag_color.getAlpha() > 0);
1779                 }
1780         }
1781 }
1782
1783 /* \pre punchitem != NULL
1784  */
1785 bool GenericCAO::directReportPunch(v3f dir, const ItemStack *punchitem,
1786                 float time_from_last_punch)
1787 {
1788         assert(punchitem);      // pre-condition
1789         const ToolCapabilities *toolcap =
1790                         &punchitem->getToolCapabilities(m_gamedef->idef());
1791         PunchDamageResult result = getPunchDamage(
1792                         m_armor_groups,
1793                         toolcap,
1794                         punchitem,
1795                         time_from_last_punch);
1796
1797         if(result.did_punch && result.damage != 0)
1798         {
1799                 if(result.damage < m_hp)
1800                 {
1801                         m_hp -= result.damage;
1802                 } else {
1803                         m_hp = 0;
1804                         // TODO: Execute defined fast response
1805                         // As there is no definition, make a smoke puff
1806                         ClientSimpleObject *simple = createSmokePuff(
1807                                         m_smgr, m_env, m_position,
1808                                         m_prop.visual_size * BS);
1809                         m_env->addSimpleObject(simple);
1810                 }
1811                 // TODO: Execute defined fast response
1812                 // Flashing shall suffice as there is no definition
1813                 m_reset_textures_timer = 0.05;
1814                 if(result.damage >= 2)
1815                         m_reset_textures_timer += 0.05 * result.damage;
1816                 updateTextures("^[brighten");
1817         }
1818
1819         return false;
1820 }
1821
1822 std::string GenericCAO::debugInfoText()
1823 {
1824         std::ostringstream os(std::ios::binary);
1825         os<<"GenericCAO hp="<<m_hp<<"\n";
1826         os<<"armor={";
1827         for(ItemGroupList::const_iterator i = m_armor_groups.begin();
1828                         i != m_armor_groups.end(); ++i)
1829         {
1830                 os<<i->first<<"="<<i->second<<", ";
1831         }
1832         os<<"}";
1833         return os.str();
1834 }
1835
1836 // Prototype
1837 GenericCAO proto_GenericCAO(NULL, NULL);