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                 infostream<<"WARNING: "<<__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                 m_id(0),
 547                 //
 548                 m_smgr(NULL),
 549                 m_irr(NULL),
 550                 m_selection_box(-BS/3.,-BS/3.,-BS/3., BS/3.,BS/3.,BS/3.),
 551                 m_meshnode(NULL),
 552                 m_animated_meshnode(NULL),
 553                 m_wield_meshnode(NULL),
 554                 m_spritenode(NULL),
 555                 m_nametag_color(video::SColor(255, 255, 255, 255)),
 556                 m_textnode(NULL),
 557                 m_position(v3f(0,10*BS,0)),
 558                 m_velocity(v3f(0,0,0)),
 559                 m_acceleration(v3f(0,0,0)),
 560                 m_yaw(0),
 561                 m_hp(1),
 562                 m_tx_size(1,1),
 563                 m_tx_basepos(0,0),
 564                 m_initial_tx_basepos_set(false),
 565                 m_tx_select_horiz_by_yawpitch(false),
 566                 m_animation_range(v2s32(0,0)),
 567                 m_animation_speed(15),
 568                 m_animation_blend(0),
 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>::iterator ci = m_children.begin();
 733                         ci != m_children.end(); ci++) {
 734                 GenericCAO *obj = m_env->getGenericCAO(*ci);
 735                 if (obj) {
 736                         obj->setVisible(toset);
 737                 }
 738         }
 739 }
 740
 741 void GenericCAO::setAttachments()
 742 {
 743         updateAttachments();
 744 }
 745
 746 ClientActiveObject* GenericCAO::getParent()
 747 {
 748         ClientActiveObject *obj = NULL;
 749
 750         u16 attached_id = m_env->m_attachements[getId()];
 751
 752         if ((attached_id != 0) &&
 753                         (attached_id != getId())) {
 754                 obj = m_env->getActiveObject(attached_id);
 755         }
 756         return obj;
 757 }
 758
 759 void GenericCAO::removeFromScene(bool permanent)
 760 {
 761         // Should be true when removing the object permanently and false when refreshing (eg: updating visuals)
 762         if((m_env != NULL) && (permanent))
 763         {
 764                 for(std::vector<u16>::iterator ci = m_children.begin();
 765                                                 ci != m_children.end(); ci++)
 766                 {
 767                         if (m_env->m_attachements[*ci] == getId()) {
 768                                 m_env->m_attachements[*ci] = 0;
 769                         }
 770                 }
 771
 772                 m_env->m_attachements[getId()] = 0;
 773
 774                 LocalPlayer* player = m_env->getLocalPlayer();
 775                 if (this == player->parent) {
 776                         player->parent = NULL;
 777                         player->isAttached = false;
 778                 }
 779         }
 780
 781         if(m_meshnode)
 782         {
 783                 m_meshnode->remove();
 784                 m_meshnode->drop();
 785                 m_meshnode = NULL;
 786         }
 787         if(m_animated_meshnode)
 788         {
 789                 m_animated_meshnode->remove();
 790                 m_animated_meshnode->drop();
 791                 m_animated_meshnode = NULL;
 792         }
 793         if(m_wield_meshnode)
 794         {
 795                 m_wield_meshnode->remove();
 796                 m_wield_meshnode->drop();
 797                 m_wield_meshnode = NULL;
 798         }
 799         if(m_spritenode)
 800         {
 801                 m_spritenode->remove();
 802                 m_spritenode->drop();
 803                 m_spritenode = NULL;
 804         }
 805         if (m_textnode)
 806         {
 807                 m_textnode->remove();
 808                 m_textnode->drop();
 809                 m_textnode = NULL;
 810         }
 811 }
 812
 813 void GenericCAO::addToScene(scene::ISceneManager *smgr, ITextureSource *tsrc,
 814                 IrrlichtDevice *irr)
 815 {
 816         m_smgr = smgr;
 817         m_irr = irr;
 818
 819         if (getSceneNode() != NULL)
 820                 return;
 821
 822         m_visuals_expired = false;
 823
 824         if(!m_prop.is_visible)
 825                 return;
 826
 827         //video::IVideoDriver* driver = smgr->getVideoDriver();
 828
 829         if(m_prop.visual == "sprite")
 830         {
 831                 infostream<<"GenericCAO::addToScene(): single_sprite"<<std::endl;
 832                 m_spritenode = smgr->addBillboardSceneNode(
 833                                 NULL, v2f(1, 1), v3f(0,0,0), -1);
 834                 m_spritenode->grab();
 835                 m_spritenode->setMaterialTexture(0,
 836                                 tsrc->getTextureForMesh("unknown_node.png"));
 837                 m_spritenode->setMaterialFlag(video::EMF_LIGHTING, false);
 838                 m_spritenode->setMaterialFlag(video::EMF_BILINEAR_FILTER, false);
 839                 m_spritenode->setMaterialType(video::EMT_TRANSPARENT_ALPHA_CHANNEL_REF);
 840                 m_spritenode->setMaterialFlag(video::EMF_FOG_ENABLE, true);
 841                 u8 li = m_last_light;
 842                 m_spritenode->setColor(video::SColor(255,li,li,li));
 843                 m_spritenode->setSize(m_prop.visual_size*BS);
 844                 {
 845                         const float txs = 1.0 / 1;
 846                         const float tys = 1.0 / 1;
 847                         setBillboardTextureMatrix(m_spritenode,
 848                                         txs, tys, 0, 0);
 849                 }
 850         }
 851         else if(m_prop.visual == "upright_sprite") {
 852                 scene::SMesh *mesh = new scene::SMesh();
 853                 double dx = BS*m_prop.visual_size.X/2;
 854                 double dy = BS*m_prop.visual_size.Y/2;
 855                 { // Front
 856                 scene::IMeshBuffer *buf = new scene::SMeshBuffer();
 857                 u8 li = m_last_light;
 858                 video::SColor c(255,li,li,li);
 859                 video::S3DVertex vertices[4] =
 860                 {
 861                         video::S3DVertex(-dx,-dy,0, 0,0,0, c, 0,1),
 862                         video::S3DVertex(dx,-dy,0, 0,0,0, c, 1,1),
 863                         video::S3DVertex(dx,dy,0, 0,0,0, c, 1,0),
 864                         video::S3DVertex(-dx,dy,0, 0,0,0, c, 0,0),
 865                 };
 866                 u16 indices[] = {0,1,2,2,3,0};
 867                 buf->append(vertices, 4, indices, 6);
 868                 // Set material
 869                 buf->getMaterial().setFlag(video::EMF_LIGHTING, false);
 870                 buf->getMaterial().setFlag(video::EMF_BILINEAR_FILTER, false);
 871                 buf->getMaterial().setFlag(video::EMF_FOG_ENABLE, true);
 872                 buf->getMaterial().MaterialType = video::EMT_TRANSPARENT_ALPHA_CHANNEL;
 873                 // Add to mesh
 874                 mesh->addMeshBuffer(buf);
 875                 buf->drop();
 876                 }
 877                 { // Back
 878                 scene::IMeshBuffer *buf = new scene::SMeshBuffer();
 879                 u8 li = m_last_light;
 880                 video::SColor c(255,li,li,li);
 881                 video::S3DVertex vertices[4] =
 882                 {
 883                         video::S3DVertex(dx,-dy,0, 0,0,0, c, 1,1),
 884                         video::S3DVertex(-dx,-dy,0, 0,0,0, c, 0,1),
 885                         video::S3DVertex(-dx,dy,0, 0,0,0, c, 0,0),
 886                         video::S3DVertex(dx,dy,0, 0,0,0, c, 1,0),
 887                 };
 888                 u16 indices[] = {0,1,2,2,3,0};
 889                 buf->append(vertices, 4, indices, 6);
 890                 // Set material
 891                 buf->getMaterial().setFlag(video::EMF_LIGHTING, false);
 892                 buf->getMaterial().setFlag(video::EMF_BILINEAR_FILTER, false);
 893                 buf->getMaterial().setFlag(video::EMF_FOG_ENABLE, true);
 894                 buf->getMaterial().MaterialType = video::EMT_TRANSPARENT_ALPHA_CHANNEL_REF;
 895                 // Add to mesh
 896                 mesh->addMeshBuffer(buf);
 897                 buf->drop();
 898                 }
 899                 m_meshnode = smgr->addMeshSceneNode(mesh, NULL);
 900                 m_meshnode->grab();
 901                 mesh->drop();
 902                 // Set it to use the materials of the meshbuffers directly.
 903                 // This is needed for changing the texture in the future
 904                 m_meshnode->setReadOnlyMaterials(true);
 905         }
 906         else if(m_prop.visual == "cube") {
 907                 infostream<<"GenericCAO::addToScene(): cube"<<std::endl;
 908                 scene::IMesh *mesh = createCubeMesh(v3f(BS,BS,BS));
 909                 m_meshnode = smgr->addMeshSceneNode(mesh, NULL);
 910                 m_meshnode->grab();
 911                 mesh->drop();
 912
 913                 m_meshnode->setScale(v3f(m_prop.visual_size.X,
 914                                 m_prop.visual_size.Y,
 915                                 m_prop.visual_size.X));
 916                 u8 li = m_last_light;
 917                 setMeshColor(m_meshnode->getMesh(), video::SColor(255,li,li,li));
 918
 919                 m_meshnode->setMaterialFlag(video::EMF_LIGHTING, false);
 920                 m_meshnode->setMaterialFlag(video::EMF_BILINEAR_FILTER, false);
 921                 m_meshnode->setMaterialType(video::EMT_TRANSPARENT_ALPHA_CHANNEL_REF);
 922                 m_meshnode->setMaterialFlag(video::EMF_FOG_ENABLE, true);
 923         }
 924         else if(m_prop.visual == "mesh") {
 925                 infostream<<"GenericCAO::addToScene(): mesh"<<std::endl;
 926                 scene::IAnimatedMesh *mesh = m_gamedef->getMesh(m_prop.mesh);
 927                 if(mesh)
 928                 {
 929                         m_animated_meshnode = smgr->addAnimatedMeshSceneNode(mesh, NULL);
 930                         m_animated_meshnode->grab();
 931                         mesh->drop(); // The scene node took hold of it
 932                         m_animated_meshnode->animateJoints(); // Needed for some animations
 933                         m_animated_meshnode->setScale(v3f(m_prop.visual_size.X,
 934                                         m_prop.visual_size.Y,
 935                                         m_prop.visual_size.X));
 936                         u8 li = m_last_light;
 937                         setMeshColor(m_animated_meshnode->getMesh(), video::SColor(255,li,li,li));
 938
 939                         m_animated_meshnode->setMaterialFlag(video::EMF_LIGHTING, false);
 940                         m_animated_meshnode->setMaterialFlag(video::EMF_BILINEAR_FILTER, false);
 941                         m_animated_meshnode->setMaterialType(video::EMT_TRANSPARENT_ALPHA_CHANNEL_REF);
 942                         m_animated_meshnode->setMaterialFlag(video::EMF_FOG_ENABLE, true);
 943                 }
 944                 else
 945                         errorstream<<"GenericCAO::addToScene(): Could not load mesh "<<m_prop.mesh<<std::endl;
 946         }
 947         else if(m_prop.visual == "wielditem") {
 948                 infostream<<"GenericCAO::addToScene(): wielditem"<<std::endl;
 949                 infostream<<"textures: "<<m_prop.textures.size()<<std::endl;
 950                 if(m_prop.textures.size() >= 1){
 951                         infostream<<"textures[0]: "<<m_prop.textures[0]<<std::endl;
 952                         IItemDefManager *idef = m_gamedef->idef();
 953                         ItemStack item(m_prop.textures[0], 1, 0, "", idef);
 954
 955                         m_wield_meshnode = new WieldMeshSceneNode(
 956                                         smgr->getRootSceneNode(), smgr, -1);
 957                         m_wield_meshnode->setItem(item, m_gamedef);
 958
 959                         m_wield_meshnode->setScale(v3f(m_prop.visual_size.X/2,
 960                                         m_prop.visual_size.Y/2,
 961                                         m_prop.visual_size.X/2));
 962                         u8 li = m_last_light;
 963                         m_wield_meshnode->setColor(video::SColor(255,li,li,li));
 964                 }
 965         } else {
 966                 infostream<<"GenericCAO::addToScene(): \""<<m_prop.visual
 967                                 <<"\" not supported"<<std::endl;
 968         }
 969         updateTextures("");
 970
 971         scene::ISceneNode *node = getSceneNode();
 972         if (node && m_is_player && !m_is_local_player) {
 973                 // Add a text node for showing the name
 974                 gui::IGUIEnvironment* gui = irr->getGUIEnvironment();
 975                 std::wstring wname = narrow_to_wide(m_name);
 976                 m_textnode = smgr->addTextSceneNode(gui->getSkin()->getFont(),
 977                                 wname.c_str(), m_nametag_color, node);
 978                 m_textnode->grab();
 979                 m_textnode->setPosition(v3f(0, BS*1.1, 0));
 980         }
 981
 982         updateNodePos();
 983         updateAnimation();
 984         updateBonePosition();
 985         updateAttachments();
 986 }
 987
 988 void GenericCAO::updateLight(u8 light_at_pos)
 989 {
 990         u8 li = decode_light(light_at_pos);
 991         if(li != m_last_light)
 992         {
 993                 m_last_light = li;
 994                 video::SColor color(255,li,li,li);
 995                 if(m_meshnode)
 996                         setMeshColor(m_meshnode->getMesh(), color);
 997                 if(m_animated_meshnode)
 998                         setMeshColor(m_animated_meshnode->getMesh(), color);
 999                 if(m_wield_meshnode)
1000                         m_wield_meshnode->setColor(color);
1001                 if(m_spritenode)
1002                         m_spritenode->setColor(color);
1003         }
1004 }
1005
1006 v3s16 GenericCAO::getLightPosition()
1007 {
1008         return floatToInt(m_position, BS);
1009 }
1010
1011 void GenericCAO::updateNodePos()
1012 {
1013         if (getParent() != NULL)
1014                 return;
1015
1016         scene::ISceneNode *node = getSceneNode();
1017
1018         if (node) {
1019                 v3s16 camera_offset = m_env->getCameraOffset();
1020                 node->setPosition(pos_translator.vect_show - intToFloat(camera_offset, BS));
1021                 if (node != m_spritenode) { // rotate if not a sprite
1022                         v3f rot = node->getRotation();
1023                         rot.Y = -m_yaw;
1024                         node->setRotation(rot);
1025                 }
1026         }
1027 }
1028
1029 void GenericCAO::step(float dtime, ClientEnvironment *env)
1030 {
1031         // Handel model of local player instantly to prevent lags
1032         if(m_is_local_player)
1033         {
1034                 LocalPlayer *player = m_env->getLocalPlayer();
1035
1036                 if (m_is_visible)
1037                 {
1038                         int old_anim = player->last_animation;
1039                         float old_anim_speed = player->last_animation_speed;
1040                         m_position = player->getPosition() + v3f(0,BS,0);
1041                         m_velocity = v3f(0,0,0);
1042                         m_acceleration = v3f(0,0,0);
1043                         pos_translator.vect_show = m_position;
1044                         m_yaw = player->getYaw();
1045                         PlayerControl controls = player->getPlayerControl();
1046
1047                         bool walking = false;
1048                         if(controls.up || controls.down || controls.left || controls.right)
1049                                 walking = true;
1050
1051                         f32 new_speed = player->local_animation_speed;
1052                         v2s32 new_anim = v2s32(0,0);
1053                         bool allow_update = false;
1054
1055                         // increase speed if using fast or flying fast
1056                         if((g_settings->getBool("fast_move") &&
1057                                         m_gamedef->checkLocalPrivilege("fast")) &&
1058                                         (controls.aux1 ||
1059                                         (!player->touching_ground &&
1060                                         g_settings->getBool("free_move") &&
1061                                         m_gamedef->checkLocalPrivilege("fly"))))
1062                                         new_speed *= 1.5;
1063                         // slowdown speed if sneeking
1064                         if(controls.sneak && walking)
1065                                 new_speed /= 2;
1066
1067                         if(walking && (controls.LMB || controls.RMB))
1068                         {
1069                                 new_anim = player->local_animations[3];
1070                                 player->last_animation = WD_ANIM;
1071                         } else if(walking) {
1072                                 new_anim = player->local_animations[1];
1073                                 player->last_animation = WALK_ANIM;
1074                         } else if(controls.LMB || controls.RMB) {
1075                                 new_anim = player->local_animations[2];
1076                                 player->last_animation = DIG_ANIM;
1077                         }
1078
1079                         // Apply animations if input detected and not attached
1080                         // or set idle animation
1081                         if ((new_anim.X + new_anim.Y) > 0 && !player->isAttached)
1082                         {
1083                                 allow_update = true;
1084                                 m_animation_range = new_anim;
1085                                 m_animation_speed = new_speed;
1086                                 player->last_animation_speed = m_animation_speed;
1087                         } else {
1088                                 player->last_animation = NO_ANIM;
1089
1090                                 if (old_anim != NO_ANIM)
1091                                 {
1092                                         m_animation_range = player->local_animations[0];
1093                                         updateAnimation();
1094                                 }
1095                         }
1096
1097                         // Update local player animations
1098                         if ((player->last_animation != old_anim ||
1099                                 m_animation_speed != old_anim_speed) &&
1100                                 player->last_animation != NO_ANIM && allow_update)
1101                                         updateAnimation();
1102
1103                 }
1104         }
1105
1106         if(m_visuals_expired && m_smgr && m_irr){
1107                 m_visuals_expired = false;
1108
1109                 // Attachments, part 1: All attached objects must be unparented first,
1110                 // or Irrlicht causes a segmentation fault
1111                 for(std::vector<u16>::iterator ci = m_children.begin();
1112                                 ci != m_children.end();)
1113                 {
1114                         if (m_env->m_attachements[*ci] != getId()) {
1115                                 ci = m_children.erase(ci);
1116                                 continue;
1117                         }
1118                         ClientActiveObject *obj = m_env->getActiveObject(*ci);
1119                         if (obj) {
1120                                 scene::ISceneNode *child_node = obj->getSceneNode();
1121                                 if (child_node)
1122                                         child_node->setParent(m_smgr->getRootSceneNode());
1123                         }
1124                         ++ci;
1125                 }
1126
1127                 removeFromScene(false);
1128                 addToScene(m_smgr, m_gamedef->tsrc(), m_irr);
1129
1130                 // Attachments, part 2: Now that the parent has been refreshed, put its attachments back
1131                 for(std::vector<u16>::iterator ci = m_children.begin();
1132                                                 ci != m_children.end(); ci++)
1133                 {
1134                         // Get the object of the child
1135                         ClientActiveObject *obj = m_env->getActiveObject(*ci);
1136                         if (obj)
1137                                 obj->setAttachments();
1138                 }
1139         }
1140
1141         // Make sure m_is_visible is always applied
1142         scene::ISceneNode *node = getSceneNode();
1143         if (node)
1144                 node->setVisible(m_is_visible);
1145
1146         if(getParent() != NULL) // Attachments should be glued to their parent by Irrlicht
1147         {
1148                 // Set these for later
1149                 m_position = getPosition();
1150                 m_velocity = v3f(0,0,0);
1151                 m_acceleration = v3f(0,0,0);
1152                 pos_translator.vect_show = m_position;
1153
1154                 if(m_is_local_player) // Update local player attachment position
1155                 {
1156                         LocalPlayer *player = m_env->getLocalPlayer();
1157                         player->overridePosition = getParent()->getPosition();
1158                         m_env->getLocalPlayer()->parent = getParent();
1159                 }
1160         } else {
1161                 v3f lastpos = pos_translator.vect_show;
1162
1163                 if(m_prop.physical)
1164                 {
1165                         core::aabbox3d<f32> box = m_prop.collisionbox;
1166                         box.MinEdge *= BS;
1167                         box.MaxEdge *= BS;
1168                         collisionMoveResult moveresult;
1169                         f32 pos_max_d = BS*0.125; // Distance per iteration
1170                         v3f p_pos = m_position;
1171                         v3f p_velocity = m_velocity;
1172                         v3f p_acceleration = m_acceleration;
1173                         moveresult = collisionMoveSimple(env,env->getGameDef(),
1174                                         pos_max_d, box, m_prop.stepheight, dtime,
1175                                         p_pos, p_velocity, p_acceleration,
1176                                         this, m_prop.collideWithObjects);
1177                         // Apply results
1178                         m_position = p_pos;
1179                         m_velocity = p_velocity;
1180                         m_acceleration = p_acceleration;
1181
1182                         bool is_end_position = moveresult.collides;
1183                         pos_translator.update(m_position, is_end_position, dtime);
1184                         pos_translator.translate(dtime);
1185                         updateNodePos();
1186                 } else {
1187                         m_position += dtime * m_velocity + 0.5 * dtime * dtime * m_acceleration;
1188                         m_velocity += dtime * m_acceleration;
1189                         pos_translator.update(m_position, pos_translator.aim_is_end,
1190                                         pos_translator.anim_time);
1191                         pos_translator.translate(dtime);
1192                         updateNodePos();
1193                 }
1194
1195                 float moved = lastpos.getDistanceFrom(pos_translator.vect_show);
1196                 m_step_distance_counter += moved;
1197                 if(m_step_distance_counter > 1.5*BS)
1198                 {
1199                         m_step_distance_counter = 0;
1200                         if(!m_is_local_player && m_prop.makes_footstep_sound)
1201                         {
1202                                 INodeDefManager *ndef = m_gamedef->ndef();
1203                                 v3s16 p = floatToInt(getPosition() + v3f(0,
1204                                                 (m_prop.collisionbox.MinEdge.Y-0.5)*BS, 0), BS);
1205                                 MapNode n = m_env->getMap().getNodeNoEx(p);
1206                                 SimpleSoundSpec spec = ndef->get(n).sound_footstep;
1207                                 m_gamedef->sound()->playSoundAt(spec, false, getPosition());
1208                         }
1209                 }
1210         }
1211
1212         m_anim_timer += dtime;
1213         if(m_anim_timer >= m_anim_framelength)
1214         {
1215                 m_anim_timer -= m_anim_framelength;
1216                 m_anim_frame++;
1217                 if(m_anim_frame >= m_anim_num_frames)
1218                         m_anim_frame = 0;
1219         }
1220
1221         updateTexturePos();
1222
1223         if(m_reset_textures_timer >= 0)
1224         {
1225                 m_reset_textures_timer -= dtime;
1226                 if(m_reset_textures_timer <= 0){
1227                         m_reset_textures_timer = -1;
1228                         updateTextures("");
1229                 }
1230         }
1231         if(getParent() == NULL && fabs(m_prop.automatic_rotate) > 0.001)
1232         {
1233                 m_yaw += dtime * m_prop.automatic_rotate * 180 / M_PI;
1234                 updateNodePos();
1235         }
1236
1237         if (getParent() == NULL && m_prop.automatic_face_movement_dir &&
1238                         (fabs(m_velocity.Z) > 0.001 || fabs(m_velocity.X) > 0.001))
1239         {
1240                 m_yaw = atan2(m_velocity.Z,m_velocity.X) * 180 / M_PI
1241                                 + m_prop.automatic_face_movement_dir_offset;
1242                 updateNodePos();
1243         }
1244 }
1245
1246 void GenericCAO::updateTexturePos()
1247 {
1248         if(m_spritenode)
1249         {
1250                 scene::ICameraSceneNode* camera =
1251                                 m_spritenode->getSceneManager()->getActiveCamera();
1252                 if(!camera)
1253                         return;
1254                 v3f cam_to_entity = m_spritenode->getAbsolutePosition()
1255                                 - camera->getAbsolutePosition();
1256                 cam_to_entity.normalize();
1257
1258                 int row = m_tx_basepos.Y;
1259                 int col = m_tx_basepos.X;
1260
1261                 if(m_tx_select_horiz_by_yawpitch)
1262                 {
1263                         if(cam_to_entity.Y > 0.75)
1264                                 col += 5;
1265                         else if(cam_to_entity.Y < -0.75)
1266                                 col += 4;
1267                         else{
1268                                 float mob_dir =
1269                                                 atan2(cam_to_entity.Z, cam_to_entity.X) / M_PI * 180.;
1270                                 float dir = mob_dir - m_yaw;
1271                                 dir = wrapDegrees_180(dir);
1272                                 //infostream<<"id="<<m_id<<" dir="<<dir<<std::endl;
1273                                 if(fabs(wrapDegrees_180(dir - 0)) <= 45.1)
1274                                         col += 2;
1275                                 else if(fabs(wrapDegrees_180(dir - 90)) <= 45.1)
1276                                         col += 3;
1277                                 else if(fabs(wrapDegrees_180(dir - 180)) <= 45.1)
1278                                         col += 0;
1279                                 else if(fabs(wrapDegrees_180(dir + 90)) <= 45.1)
1280                                         col += 1;
1281                                 else
1282                                         col += 4;
1283                         }
1284                 }
1285
1286                 // Animation goes downwards
1287                 row += m_anim_frame;
1288
1289                 float txs = m_tx_size.X;
1290                 float tys = m_tx_size.Y;
1291                 setBillboardTextureMatrix(m_spritenode,
1292                                 txs, tys, col, row);
1293         }
1294 }
1295
1296 void GenericCAO::updateTextures(const std::string &mod)
1297 {
1298         ITextureSource *tsrc = m_gamedef->tsrc();
1299
1300         bool use_trilinear_filter = g_settings->getBool("trilinear_filter");
1301         bool use_bilinear_filter = g_settings->getBool("bilinear_filter");
1302         bool use_anisotropic_filter = g_settings->getBool("anisotropic_filter");
1303
1304         if(m_spritenode)
1305         {
1306                 if(m_prop.visual == "sprite")
1307                 {
1308                         std::string texturestring = "unknown_node.png";
1309                         if(m_prop.textures.size() >= 1)
1310                                 texturestring = m_prop.textures[0];
1311                         texturestring += mod;
1312                         m_spritenode->setMaterialTexture(0,
1313                                         tsrc->getTextureForMesh(texturestring));
1314
1315                         // This allows setting per-material colors. However, until a real lighting
1316                         // system is added, the code below will have no effect. Once MineTest
1317                         // has directional lighting, it should work automatically.
1318                         if(m_prop.colors.size() >= 1)
1319                         {
1320                                 m_spritenode->getMaterial(0).AmbientColor = m_prop.colors[0];
1321                                 m_spritenode->getMaterial(0).DiffuseColor = m_prop.colors[0];
1322                                 m_spritenode->getMaterial(0).SpecularColor = m_prop.colors[0];
1323                         }
1324
1325                         m_spritenode->getMaterial(0).setFlag(video::EMF_TRILINEAR_FILTER, use_trilinear_filter);
1326                         m_spritenode->getMaterial(0).setFlag(video::EMF_BILINEAR_FILTER, use_bilinear_filter);
1327                         m_spritenode->getMaterial(0).setFlag(video::EMF_ANISOTROPIC_FILTER, use_anisotropic_filter);
1328                 }
1329         }
1330         if(m_animated_meshnode)
1331         {
1332                 if(m_prop.visual == "mesh")
1333                 {
1334                         for (u32 i = 0; i < m_prop.textures.size() &&
1335                                         i < m_animated_meshnode->getMaterialCount(); ++i)
1336                         {
1337                                 std::string texturestring = m_prop.textures[i];
1338                                 if(texturestring == "")
1339                                         continue; // Empty texture string means don't modify that material
1340                                 texturestring += mod;
1341                                 video::ITexture* texture = tsrc->getTextureForMesh(texturestring);
1342                                 if(!texture)
1343                                 {
1344                                         errorstream<<"GenericCAO::updateTextures(): Could not load texture "<<texturestring<<std::endl;
1345                                         continue;
1346                                 }
1347
1348                                 // Set material flags and texture
1349                                 video::SMaterial& material = m_animated_meshnode->getMaterial(i);
1350                                 material.TextureLayer[0].Texture = texture;
1351                                 material.setFlag(video::EMF_LIGHTING, false);
1352                                 material.setFlag(video::EMF_BILINEAR_FILTER, false);
1353
1354                                 m_animated_meshnode->getMaterial(i)
1355                                                 .setFlag(video::EMF_TRILINEAR_FILTER, use_trilinear_filter);
1356                                 m_animated_meshnode->getMaterial(i)
1357                                                 .setFlag(video::EMF_BILINEAR_FILTER, use_bilinear_filter);
1358                                 m_animated_meshnode->getMaterial(i)
1359                                                 .setFlag(video::EMF_ANISOTROPIC_FILTER, use_anisotropic_filter);
1360                         }
1361                         for (u32 i = 0; i < m_prop.colors.size() &&
1362                         i < m_animated_meshnode->getMaterialCount(); ++i)
1363                         {
1364                                 // This allows setting per-material colors. However, until a real lighting
1365                                 // system is added, the code below will have no effect. Once MineTest
1366                                 // has directional lighting, it should work automatically.
1367                                 m_animated_meshnode->getMaterial(i).AmbientColor = m_prop.colors[i];
1368                                 m_animated_meshnode->getMaterial(i).DiffuseColor = m_prop.colors[i];
1369                                 m_animated_meshnode->getMaterial(i).SpecularColor = m_prop.colors[i];
1370                         }
1371                 }
1372         }
1373         if(m_meshnode)
1374         {
1375                 if(m_prop.visual == "cube")
1376                 {
1377                         for (u32 i = 0; i < 6; ++i)
1378                         {
1379                                 std::string texturestring = "unknown_node.png";
1380                                 if(m_prop.textures.size() > i)
1381                                         texturestring = m_prop.textures[i];
1382                                 texturestring += mod;
1383
1384
1385                                 // Set material flags and texture
1386                                 video::SMaterial& material = m_meshnode->getMaterial(i);
1387                                 material.setFlag(video::EMF_LIGHTING, false);
1388                                 material.setFlag(video::EMF_BILINEAR_FILTER, false);
1389                                 material.setTexture(0,
1390                                                 tsrc->getTextureForMesh(texturestring));
1391                                 material.getTextureMatrix(0).makeIdentity();
1392
1393                                 // This allows setting per-material colors. However, until a real lighting
1394                                 // system is added, the code below will have no effect. Once MineTest
1395                                 // has directional lighting, it should work automatically.
1396                                 if(m_prop.colors.size() > i)
1397                                 {
1398                                         m_meshnode->getMaterial(i).AmbientColor = m_prop.colors[i];
1399                                         m_meshnode->getMaterial(i).DiffuseColor = m_prop.colors[i];
1400                                         m_meshnode->getMaterial(i).SpecularColor = m_prop.colors[i];
1401                                 }
1402
1403                                 m_meshnode->getMaterial(i).setFlag(video::EMF_TRILINEAR_FILTER, use_trilinear_filter);
1404                                 m_meshnode->getMaterial(i).setFlag(video::EMF_BILINEAR_FILTER, use_bilinear_filter);
1405                                 m_meshnode->getMaterial(i).setFlag(video::EMF_ANISOTROPIC_FILTER, use_anisotropic_filter);
1406                         }
1407                 }
1408                 else if(m_prop.visual == "upright_sprite")
1409                 {
1410                         scene::IMesh *mesh = m_meshnode->getMesh();
1411                         {
1412                                 std::string tname = "unknown_object.png";
1413                                 if(m_prop.textures.size() >= 1)
1414                                         tname = m_prop.textures[0];
1415                                 tname += mod;
1416                                 scene::IMeshBuffer *buf = mesh->getMeshBuffer(0);
1417                                 buf->getMaterial().setTexture(0,
1418                                                 tsrc->getTextureForMesh(tname));
1419
1420                                 // This allows setting per-material colors. However, until a real lighting
1421                                 // system is added, the code below will have no effect. Once MineTest
1422                                 // has directional lighting, it should work automatically.
1423                                 if(m_prop.colors.size() >= 1)
1424                                 {
1425                                         buf->getMaterial().AmbientColor = m_prop.colors[0];
1426                                         buf->getMaterial().DiffuseColor = m_prop.colors[0];
1427                                         buf->getMaterial().SpecularColor = m_prop.colors[0];
1428                                 }
1429
1430                                 buf->getMaterial().setFlag(video::EMF_TRILINEAR_FILTER, use_trilinear_filter);
1431                                 buf->getMaterial().setFlag(video::EMF_BILINEAR_FILTER, use_bilinear_filter);
1432                                 buf->getMaterial().setFlag(video::EMF_ANISOTROPIC_FILTER, use_anisotropic_filter);
1433                         }
1434                         {
1435                                 std::string tname = "unknown_object.png";
1436                                 if(m_prop.textures.size() >= 2)
1437                                         tname = m_prop.textures[1];
1438                                 else if(m_prop.textures.size() >= 1)
1439                                         tname = m_prop.textures[0];
1440                                 tname += mod;
1441                                 scene::IMeshBuffer *buf = mesh->getMeshBuffer(1);
1442                                 buf->getMaterial().setTexture(0,
1443                                                 tsrc->getTextureForMesh(tname));
1444
1445                                 // This allows setting per-material colors. However, until a real lighting
1446                                 // system is added, the code below will have no effect. Once MineTest
1447                                 // has directional lighting, it should work automatically.
1448                                 if(m_prop.colors.size() >= 2)
1449                                 {
1450                                         buf->getMaterial().AmbientColor = m_prop.colors[1];
1451                                         buf->getMaterial().DiffuseColor = m_prop.colors[1];
1452                                         buf->getMaterial().SpecularColor = m_prop.colors[1];
1453                                 }
1454                                 else if(m_prop.colors.size() >= 1)
1455                                 {
1456                                         buf->getMaterial().AmbientColor = m_prop.colors[0];
1457                                         buf->getMaterial().DiffuseColor = m_prop.colors[0];
1458                                         buf->getMaterial().SpecularColor = m_prop.colors[0];
1459                                 }
1460
1461                                 buf->getMaterial().setFlag(video::EMF_TRILINEAR_FILTER, use_trilinear_filter);
1462                                 buf->getMaterial().setFlag(video::EMF_BILINEAR_FILTER, use_bilinear_filter);
1463                                 buf->getMaterial().setFlag(video::EMF_ANISOTROPIC_FILTER, use_anisotropic_filter);
1464                         }
1465                 }
1466         }
1467 }
1468
1469 void GenericCAO::updateAnimation()
1470 {
1471         if(m_animated_meshnode == NULL)
1472                 return;
1473         m_animated_meshnode->setFrameLoop(m_animation_range.X, m_animation_range.Y);
1474         m_animated_meshnode->setAnimationSpeed(m_animation_speed);
1475         m_animated_meshnode->setTransitionTime(m_animation_blend);
1476 }
1477
1478 void GenericCAO::updateBonePosition()
1479 {
1480         if(m_bone_position.empty() || m_animated_meshnode == NULL)
1481                 return;
1482
1483         m_animated_meshnode->setJointMode(irr::scene::EJUOR_CONTROL); // To write positions to the mesh on render
1484         for(std::map<std::string,
1485                         core::vector2d<v3f> >::const_iterator ii = m_bone_position.begin();
1486                         ii != m_bone_position.end(); ++ii)
1487         {
1488                 std::string bone_name = (*ii).first;
1489                 v3f bone_pos = (*ii).second.X;
1490                 v3f bone_rot = (*ii).second.Y;
1491                 irr::scene::IBoneSceneNode* bone = m_animated_meshnode->getJointNode(bone_name.c_str());
1492                 if(bone)
1493                 {
1494                         bone->setPosition(bone_pos);
1495                         bone->setRotation(bone_rot);
1496                 }
1497         }
1498 }
1499
1500 void GenericCAO::updateAttachments()
1501 {
1502
1503         if (getParent() == NULL) { // Detach or don't attach
1504                 scene::ISceneNode *node = getSceneNode();
1505                 if (node) {
1506                         v3f old_position = node->getAbsolutePosition();
1507                         v3f old_rotation = node->getRotation();
1508                         node->setParent(m_smgr->getRootSceneNode());
1509                         node->setPosition(old_position);
1510                         node->setRotation(old_rotation);
1511                         node->updateAbsolutePosition();
1512                 }
1513                 if (m_is_local_player) {
1514                         LocalPlayer *player = m_env->getLocalPlayer();
1515                         player->isAttached = false;
1516                 }
1517         }
1518         else // Attach
1519         {
1520                 scene::ISceneNode *my_node = getSceneNode();
1521
1522                 scene::ISceneNode *parent_node = getParent()->getSceneNode();
1523                 scene::IAnimatedMeshSceneNode *parent_animated_mesh_node =
1524                                 getParent()->getAnimatedMeshSceneNode();
1525                 if (parent_animated_mesh_node && m_attachment_bone != "") {
1526                         parent_node = parent_animated_mesh_node->getJointNode(m_attachment_bone.c_str());
1527                 }
1528
1529                 if (my_node && parent_node) {
1530                         my_node->setParent(parent_node);
1531                         my_node->setPosition(m_attachment_position);
1532                         my_node->setRotation(m_attachment_rotation);
1533                         my_node->updateAbsolutePosition();
1534                 }
1535                 if (m_is_local_player) {
1536                         LocalPlayer *player = m_env->getLocalPlayer();
1537                         player->isAttached = true;
1538                 }
1539         }
1540 }
1541
1542 void GenericCAO::processMessage(const std::string &data)
1543 {
1544         //infostream<<"GenericCAO: Got message"<<std::endl;
1545         std::istringstream is(data, std::ios::binary);
1546         // command
1547         u8 cmd = readU8(is);
1548         if(cmd == GENERIC_CMD_SET_PROPERTIES)
1549         {
1550                 m_prop = gob_read_set_properties(is);
1551
1552                 m_selection_box = m_prop.collisionbox;
1553                 m_selection_box.MinEdge *= BS;
1554                 m_selection_box.MaxEdge *= BS;
1555
1556                 m_tx_size.X = 1.0 / m_prop.spritediv.X;
1557                 m_tx_size.Y = 1.0 / m_prop.spritediv.Y;
1558
1559                 if(!m_initial_tx_basepos_set){
1560                         m_initial_tx_basepos_set = true;
1561                         m_tx_basepos = m_prop.initial_sprite_basepos;
1562                 }
1563
1564                 expireVisuals();
1565         }
1566         else if(cmd == GENERIC_CMD_UPDATE_POSITION)
1567         {
1568                 // Not sent by the server if this object is an attachment.
1569                 // We might however get here if the server notices the object being detached before the client.
1570                 m_position = readV3F1000(is);
1571                 m_velocity = readV3F1000(is);
1572                 m_acceleration = readV3F1000(is);
1573                 if(fabs(m_prop.automatic_rotate) < 0.001)
1574                         m_yaw = readF1000(is);
1575                 else
1576                         readF1000(is);
1577                 bool do_interpolate = readU8(is);
1578                 bool is_end_position = readU8(is);
1579                 float update_interval = readF1000(is);
1580
1581                 // Place us a bit higher if we're physical, to not sink into
1582                 // the ground due to sucky collision detection...
1583                 if(m_prop.physical)
1584                         m_position += v3f(0,0.002,0);
1585
1586                 if(getParent() != NULL) // Just in case
1587                         return;
1588
1589                 if(do_interpolate)
1590                 {
1591                         if(!m_prop.physical)
1592                                 pos_translator.update(m_position, is_end_position, update_interval);
1593                 } else {
1594                         pos_translator.init(m_position);
1595                 }
1596                 updateNodePos();
1597         }
1598         else if(cmd == GENERIC_CMD_SET_TEXTURE_MOD) {
1599                 std::string mod = deSerializeString(is);
1600                 updateTextures(mod);
1601         }
1602         else if(cmd == GENERIC_CMD_SET_SPRITE) {
1603                 v2s16 p = readV2S16(is);
1604                 int num_frames = readU16(is);
1605                 float framelength = readF1000(is);
1606                 bool select_horiz_by_yawpitch = readU8(is);
1607
1608                 m_tx_basepos = p;
1609                 m_anim_num_frames = num_frames;
1610                 m_anim_framelength = framelength;
1611                 m_tx_select_horiz_by_yawpitch = select_horiz_by_yawpitch;
1612
1613                 updateTexturePos();
1614         }
1615         else if(cmd == GENERIC_CMD_SET_PHYSICS_OVERRIDE) {
1616                 float override_speed = readF1000(is);
1617                 float override_jump = readF1000(is);
1618                 float override_gravity = readF1000(is);
1619                 // these are sent inverted so we get true when the server sends nothing
1620                 bool sneak = !readU8(is);
1621                 bool sneak_glitch = !readU8(is);
1622
1623
1624                 if(m_is_local_player)
1625                 {
1626                         LocalPlayer *player = m_env->getLocalPlayer();
1627                         player->physics_override_speed = override_speed;
1628                         player->physics_override_jump = override_jump;
1629                         player->physics_override_gravity = override_gravity;
1630                         player->physics_override_sneak = sneak;
1631                         player->physics_override_sneak_glitch = sneak_glitch;
1632                 }
1633         }
1634         else if(cmd == GENERIC_CMD_SET_ANIMATION) {
1635                 // TODO: change frames send as v2s32 value
1636                 v2f range = readV2F1000(is);
1637                 if (!m_is_local_player) {
1638                         m_animation_range = v2s32((s32)range.X, (s32)range.Y);
1639                         m_animation_speed = readF1000(is);
1640                         m_animation_blend = readF1000(is);
1641                         updateAnimation();
1642                 } else {
1643                         LocalPlayer *player = m_env->getLocalPlayer();
1644                         if(player->last_animation == NO_ANIM)
1645                         {
1646                                 m_animation_range = v2s32((s32)range.X, (s32)range.Y);
1647                                 m_animation_speed = readF1000(is);
1648                                 m_animation_blend = readF1000(is);
1649                         }
1650                         // update animation only if local animations present
1651                         // and received animation is unknown (except idle animation)
1652                         bool is_known = false;
1653                         for (int i = 1;i<4;i++)
1654                         {
1655                                 if(m_animation_range.Y == player->local_animations[i].Y)
1656                                         is_known = true;
1657                         }
1658                         if(!is_known ||
1659                                         (player->local_animations[1].Y + player->local_animations[2].Y < 1))
1660                         {
1661                                         updateAnimation();
1662                         }
1663                 }
1664         }
1665         else if(cmd == GENERIC_CMD_SET_BONE_POSITION) {
1666                 std::string bone = deSerializeString(is);
1667                 v3f position = readV3F1000(is);
1668                 v3f rotation = readV3F1000(is);
1669                 m_bone_position[bone] = core::vector2d<v3f>(position, rotation);
1670
1671                 updateBonePosition();
1672         } else if (cmd == GENERIC_CMD_SET_ATTACHMENT) {
1673                 u16 parentID = readS16(is);
1674                 m_env->m_attachements[getId()] = parentID;
1675                 GenericCAO *parentobj = m_env->getGenericCAO(parentID);
1676
1677                 if (parentobj) {
1678                         parentobj->m_children.push_back(getId());
1679                 }
1680
1681                 m_attachment_bone = deSerializeString(is);
1682                 m_attachment_position = readV3F1000(is);
1683                 m_attachment_rotation = readV3F1000(is);
1684
1685                 // localplayer itself can't be attached to localplayer
1686                 if (!m_is_local_player) {
1687                         m_attached_to_local = getParent() != NULL && getParent()->isLocalPlayer();
1688                         // Objects attached to the local player should be hidden by default
1689                         m_is_visible = !m_attached_to_local;
1690                 }
1691
1692                 updateAttachments();
1693         }
1694         else if(cmd == GENERIC_CMD_PUNCHED) {
1695                 /*s16 damage =*/ readS16(is);
1696                 s16 result_hp = readS16(is);
1697
1698                 // Use this instead of the send damage to not interfere with prediction
1699                 s16 damage = m_hp - result_hp;
1700
1701                 m_hp = result_hp;
1702
1703                 if (damage > 0)
1704                 {
1705                         if (m_hp <= 0)
1706                         {
1707                                 // TODO: Execute defined fast response
1708                                 // As there is no definition, make a smoke puff
1709                                 ClientSimpleObject *simple = createSmokePuff(
1710                                                 m_smgr, m_env, m_position,
1711                                                 m_prop.visual_size * BS);
1712                                 m_env->addSimpleObject(simple);
1713                         } else {
1714                                 // TODO: Execute defined fast response
1715                                 // Flashing shall suffice as there is no definition
1716                                 m_reset_textures_timer = 0.05;
1717                                 if(damage >= 2)
1718                                         m_reset_textures_timer += 0.05 * damage;
1719                                 updateTextures("^[brighten");
1720                         }
1721                 }
1722         }
1723         else if(cmd == GENERIC_CMD_UPDATE_ARMOR_GROUPS) {
1724                 m_armor_groups.clear();
1725                 int armor_groups_size = readU16(is);
1726                 for(int i=0; i<armor_groups_size; i++)
1727                 {
1728                         std::string name = deSerializeString(is);
1729                         int rating = readS16(is);
1730                         m_armor_groups[name] = rating;
1731                 }
1732         } else if (cmd == GENERIC_CMD_UPDATE_NAMETAG_ATTRIBUTES) {
1733                 readU8(is); // version
1734                 m_nametag_color = readARGB8(is);
1735                 if (m_textnode != NULL) {
1736                         m_textnode->setTextColor(m_nametag_color);
1737
1738                         // Enforce hiding nametag,
1739                         // because if freetype is enabled, a grey
1740                         // shadow can remain.
1741                         m_textnode->setVisible(m_nametag_color.getAlpha() > 0);
1742                 }
1743         }
1744 }
1745
1746 /* \pre punchitem != NULL
1747  */
1748 bool GenericCAO::directReportPunch(v3f dir, const ItemStack *punchitem,
1749                 float time_from_last_punch)
1750 {
1751         assert(punchitem);      // pre-condition
1752         const ToolCapabilities *toolcap =
1753                         &punchitem->getToolCapabilities(m_gamedef->idef());
1754         PunchDamageResult result = getPunchDamage(
1755                         m_armor_groups,
1756                         toolcap,
1757                         punchitem,
1758                         time_from_last_punch);
1759
1760         if(result.did_punch && result.damage != 0)
1761         {
1762                 if(result.damage < m_hp)
1763                 {
1764                         m_hp -= result.damage;
1765                 } else {
1766                         m_hp = 0;
1767                         // TODO: Execute defined fast response
1768                         // As there is no definition, make a smoke puff
1769                         ClientSimpleObject *simple = createSmokePuff(
1770                                         m_smgr, m_env, m_position,
1771                                         m_prop.visual_size * BS);
1772                         m_env->addSimpleObject(simple);
1773                 }
1774                 // TODO: Execute defined fast response
1775                 // Flashing shall suffice as there is no definition
1776                 m_reset_textures_timer = 0.05;
1777                 if(result.damage >= 2)
1778                         m_reset_textures_timer += 0.05 * result.damage;
1779                 updateTextures("^[brighten");
1780         }
1781
1782         return false;
1783 }
1784
1785 std::string GenericCAO::debugInfoText()
1786 {
1787         std::ostringstream os(std::ios::binary);
1788         os<<"GenericCAO hp="<<m_hp<<"\n";
1789         os<<"armor={";
1790         for(ItemGroupList::const_iterator i = m_armor_groups.begin();
1791                         i != m_armor_groups.end(); i++)
1792         {
1793                 os<<i->first<<"="<<i->second<<", ";
1794         }
1795         os<<"}";
1796         return os.str();
1797 }
1798
1799 // Prototype
1800 GenericCAO proto_GenericCAO(NULL, NULL);