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                 //
 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_bone_position(std::map<std::string, core::vector2d<v3f> >()),
 569                 m_attachment_bone(""),
 570                 m_attachment_position(v3f(0,0,0)),
 571                 m_attachment_rotation(v3f(0,0,0)),
 572                 m_attached_to_local(false),
 573                 m_anim_frame(0),
 574                 m_anim_num_frames(1),
 575                 m_anim_framelength(0.2),
 576                 m_anim_timer(0),
 577                 m_reset_textures_timer(-1),
 578                 m_visuals_expired(false),
 579                 m_step_distance_counter(0),
 580                 m_last_light(255),
 581                 m_is_visible(false)
 582 {
 583         if(gamedef == NULL)
 584                 ClientActiveObject::registerType(getType(), create);
 585 }
 586
 587 bool GenericCAO::getCollisionBox(aabb3f *toset)
 588 {
 589         if (m_prop.physical)
 590         {
 591                 //update collision box
 592                 toset->MinEdge = m_prop.collisionbox.MinEdge * BS;
 593                 toset->MaxEdge = m_prop.collisionbox.MaxEdge * BS;
 594
 595                 toset->MinEdge += m_position;
 596                 toset->MaxEdge += m_position;
 597
 598                 return true;
 599         }
 600
 601         return false;
 602 }
 603
 604 bool GenericCAO::collideWithObjects()
 605 {
 606         return m_prop.collideWithObjects;
 607 }
 608
 609 void GenericCAO::initialize(const std::string &data)
 610 {
 611         infostream<<"GenericCAO: Got init data"<<std::endl;
 612         std::istringstream is(data, std::ios::binary);
 613         int num_messages = 0;
 614         // version
 615         u8 version = readU8(is);
 616         // check version
 617         if(version == 1) // In PROTOCOL_VERSION 14
 618         {
 619                 m_name = deSerializeString(is);
 620                 m_is_player = readU8(is);
 621                 m_id = readS16(is);
 622                 m_position = readV3F1000(is);
 623                 m_yaw = readF1000(is);
 624                 m_hp = readS16(is);
 625                 num_messages = readU8(is);
 626         }
 627         else if(version == 0) // In PROTOCOL_VERSION 13
 628         {
 629                 m_name = deSerializeString(is);
 630                 m_is_player = readU8(is);
 631                 m_position = readV3F1000(is);
 632                 m_yaw = readF1000(is);
 633                 m_hp = readS16(is);
 634                 num_messages = readU8(is);
 635         }
 636         else
 637         {
 638                 errorstream<<"GenericCAO: Unsupported init data version"
 639                                 <<std::endl;
 640                 return;
 641         }
 642
 643         for(int i=0; i<num_messages; i++)
 644         {
 645                 std::string message = deSerializeLongString(is);
 646                 processMessage(message);
 647         }
 648
 649         pos_translator.init(m_position);
 650         updateNodePos();
 651
 652         if(m_is_player)
 653         {
 654                 Player *player = m_env->getPlayer(m_name.c_str());
 655                 if(player && player->isLocal())
 656                 {
 657                         m_is_local_player = true;
 658                         m_is_visible = false;
 659                         LocalPlayer* localplayer = dynamic_cast<LocalPlayer*>(player);
 660
 661                         assert( localplayer != NULL );
 662                         localplayer->setCAO(this);
 663                 }
 664                 m_env->addPlayerName(m_name.c_str());
 665         }
 666 }
 667
 668 GenericCAO::~GenericCAO()
 669 {
 670         if(m_is_player)
 671         {
 672                 m_env->removePlayerName(m_name.c_str());
 673         }
 674         removeFromScene(true);
 675 }
 676
 677 core::aabbox3d<f32>* GenericCAO::getSelectionBox()
 678 {
 679         if(!m_prop.is_visible || !m_is_visible || m_is_local_player || getParent() != NULL)
 680                 return NULL;
 681         return &m_selection_box;
 682 }
 683
 684 v3f GenericCAO::getPosition()
 685 {
 686         if (getParent() != NULL) {
 687                 scene::ISceneNode *node = getSceneNode();
 688                 if (node)
 689                         return node->getAbsolutePosition();
 690                 else
 691                         return m_position;
 692         }
 693         return pos_translator.vect_show;
 694 }
 695
 696 scene::ISceneNode* GenericCAO::getSceneNode()
 697 {
 698         if (m_meshnode)
 699                 return m_meshnode;
 700         if (m_animated_meshnode)
 701                 return m_animated_meshnode;
 702         if (m_wield_meshnode)
 703                 return m_wield_meshnode;
 704         if (m_spritenode)
 705                 return m_spritenode;
 706         return NULL;
 707 }
 708
 709 scene::IMeshSceneNode* GenericCAO::getMeshSceneNode()
 710 {
 711         return m_meshnode;
 712 }
 713
 714 scene::IAnimatedMeshSceneNode* GenericCAO::getAnimatedMeshSceneNode()
 715 {
 716         return m_animated_meshnode;
 717 }
 718
 719 WieldMeshSceneNode* GenericCAO::getWieldMeshSceneNode()
 720 {
 721         return m_wield_meshnode;
 722 }
 723
 724 scene::IBillboardSceneNode* GenericCAO::getSpriteSceneNode()
 725 {
 726         return m_spritenode;
 727 }
 728
 729 void GenericCAO::setChildrenVisible(bool toset)
 730 {
 731         for (std::vector<u16>::size_type i = 0; i < m_children.size(); i++) {
 732                 GenericCAO *obj = m_env->getGenericCAO(m_children[i]);
 733                 if (obj) {
 734                         obj->setVisible(toset);
 735                 }
 736         }
 737 }
 738
 739 void GenericCAO::setAttachments()
 740 {
 741         updateAttachments();
 742 }
 743
 744 ClientActiveObject* GenericCAO::getParent()
 745 {
 746         ClientActiveObject *obj = NULL;
 747
 748         u16 attached_id = m_env->attachement_parent_ids[getId()];
 749
 750         if ((attached_id != 0) &&
 751                         (attached_id != getId())) {
 752                 obj = m_env->getActiveObject(attached_id);
 753         }
 754         return obj;
 755 }
 756
 757 void GenericCAO::removeFromScene(bool permanent)
 758 {
 759         // Should be true when removing the object permanently and false when refreshing (eg: updating visuals)
 760         if((m_env != NULL) && (permanent))
 761         {
 762                 for (std::vector<u16>::size_type i = 0; i < m_children.size(); i++) {
 763                         u16 ci = m_children[i];
 764                         if (m_env->attachement_parent_ids[ci] == getId()) {
 765                                 m_env->attachement_parent_ids[ci] = 0;
 766                         }
 767                 }
 768
 769                 m_env->attachement_parent_ids[getId()] = 0;
 770
 771                 LocalPlayer* player = m_env->getLocalPlayer();
 772                 if (this == player->parent) {
 773                         player->parent = NULL;
 774                         player->isAttached = false;
 775                 }
 776         }
 777
 778         if(m_meshnode)
 779         {
 780                 m_meshnode->remove();
 781                 m_meshnode->drop();
 782                 m_meshnode = NULL;
 783         }
 784         if(m_animated_meshnode)
 785         {
 786                 m_animated_meshnode->remove();
 787                 m_animated_meshnode->drop();
 788                 m_animated_meshnode = NULL;
 789         }
 790         if(m_wield_meshnode)
 791         {
 792                 m_wield_meshnode->remove();
 793                 m_wield_meshnode->drop();
 794                 m_wield_meshnode = NULL;
 795         }
 796         if(m_spritenode)
 797         {
 798                 m_spritenode->remove();
 799                 m_spritenode->drop();
 800                 m_spritenode = NULL;
 801         }
 802         if (m_textnode)
 803         {
 804                 m_textnode->remove();
 805                 m_textnode->drop();
 806                 m_textnode = NULL;
 807         }
 808 }
 809
 810 void GenericCAO::addToScene(scene::ISceneManager *smgr, ITextureSource *tsrc,
 811                 IrrlichtDevice *irr)
 812 {
 813         m_smgr = smgr;
 814         m_irr = irr;
 815
 816         if (getSceneNode() != NULL)
 817                 return;
 818
 819         m_visuals_expired = false;
 820
 821         if(!m_prop.is_visible)
 822                 return;
 823
 824         //video::IVideoDriver* driver = smgr->getVideoDriver();
 825
 826         if(m_prop.visual == "sprite")
 827         {
 828                 infostream<<"GenericCAO::addToScene(): single_sprite"<<std::endl;
 829                 m_spritenode = smgr->addBillboardSceneNode(
 830                                 NULL, v2f(1, 1), v3f(0,0,0), -1);
 831                 m_spritenode->grab();
 832                 m_spritenode->setMaterialTexture(0,
 833                                 tsrc->getTextureForMesh("unknown_node.png"));
 834                 m_spritenode->setMaterialFlag(video::EMF_LIGHTING, false);
 835                 m_spritenode->setMaterialFlag(video::EMF_BILINEAR_FILTER, false);
 836                 m_spritenode->setMaterialType(video::EMT_TRANSPARENT_ALPHA_CHANNEL_REF);
 837                 m_spritenode->setMaterialFlag(video::EMF_FOG_ENABLE, true);
 838                 u8 li = m_last_light;
 839                 m_spritenode->setColor(video::SColor(255,li,li,li));
 840                 m_spritenode->setSize(m_prop.visual_size*BS);
 841                 {
 842                         const float txs = 1.0 / 1;
 843                         const float tys = 1.0 / 1;
 844                         setBillboardTextureMatrix(m_spritenode,
 845                                         txs, tys, 0, 0);
 846                 }
 847         }
 848         else if(m_prop.visual == "upright_sprite") {
 849                 scene::SMesh *mesh = new scene::SMesh();
 850                 double dx = BS*m_prop.visual_size.X/2;
 851                 double dy = BS*m_prop.visual_size.Y/2;
 852                 { // Front
 853                 scene::IMeshBuffer *buf = new scene::SMeshBuffer();
 854                 u8 li = m_last_light;
 855                 video::SColor c(255,li,li,li);
 856                 video::S3DVertex vertices[4] =
 857                 {
 858                         video::S3DVertex(-dx,-dy,0, 0,0,0, c, 0,1),
 859                         video::S3DVertex(dx,-dy,0, 0,0,0, c, 1,1),
 860                         video::S3DVertex(dx,dy,0, 0,0,0, c, 1,0),
 861                         video::S3DVertex(-dx,dy,0, 0,0,0, c, 0,0),
 862                 };
 863                 u16 indices[] = {0,1,2,2,3,0};
 864                 buf->append(vertices, 4, indices, 6);
 865                 // Set material
 866                 buf->getMaterial().setFlag(video::EMF_LIGHTING, false);
 867                 buf->getMaterial().setFlag(video::EMF_BILINEAR_FILTER, false);
 868                 buf->getMaterial().setFlag(video::EMF_FOG_ENABLE, true);
 869                 buf->getMaterial().MaterialType = video::EMT_TRANSPARENT_ALPHA_CHANNEL;
 870                 // Add to mesh
 871                 mesh->addMeshBuffer(buf);
 872                 buf->drop();
 873                 }
 874                 { // Back
 875                 scene::IMeshBuffer *buf = new scene::SMeshBuffer();
 876                 u8 li = m_last_light;
 877                 video::SColor c(255,li,li,li);
 878                 video::S3DVertex vertices[4] =
 879                 {
 880                         video::S3DVertex(dx,-dy,0, 0,0,0, c, 1,1),
 881                         video::S3DVertex(-dx,-dy,0, 0,0,0, c, 0,1),
 882                         video::S3DVertex(-dx,dy,0, 0,0,0, c, 0,0),
 883                         video::S3DVertex(dx,dy,0, 0,0,0, c, 1,0),
 884                 };
 885                 u16 indices[] = {0,1,2,2,3,0};
 886                 buf->append(vertices, 4, indices, 6);
 887                 // Set material
 888                 buf->getMaterial().setFlag(video::EMF_LIGHTING, false);
 889                 buf->getMaterial().setFlag(video::EMF_BILINEAR_FILTER, false);
 890                 buf->getMaterial().setFlag(video::EMF_FOG_ENABLE, true);
 891                 buf->getMaterial().MaterialType = video::EMT_TRANSPARENT_ALPHA_CHANNEL_REF;
 892                 // Add to mesh
 893                 mesh->addMeshBuffer(buf);
 894                 buf->drop();
 895                 }
 896                 m_meshnode = smgr->addMeshSceneNode(mesh, NULL);
 897                 m_meshnode->grab();
 898                 mesh->drop();
 899                 // Set it to use the materials of the meshbuffers directly.
 900                 // This is needed for changing the texture in the future
 901                 m_meshnode->setReadOnlyMaterials(true);
 902         }
 903         else if(m_prop.visual == "cube") {
 904                 infostream<<"GenericCAO::addToScene(): cube"<<std::endl;
 905                 scene::IMesh *mesh = createCubeMesh(v3f(BS,BS,BS));
 906                 m_meshnode = smgr->addMeshSceneNode(mesh, NULL);
 907                 m_meshnode->grab();
 908                 mesh->drop();
 909
 910                 m_meshnode->setScale(v3f(m_prop.visual_size.X,
 911                                 m_prop.visual_size.Y,
 912                                 m_prop.visual_size.X));
 913                 u8 li = m_last_light;
 914                 setMeshColor(m_meshnode->getMesh(), video::SColor(255,li,li,li));
 915
 916                 m_meshnode->setMaterialFlag(video::EMF_LIGHTING, false);
 917                 m_meshnode->setMaterialFlag(video::EMF_BILINEAR_FILTER, false);
 918                 m_meshnode->setMaterialType(video::EMT_TRANSPARENT_ALPHA_CHANNEL_REF);
 919                 m_meshnode->setMaterialFlag(video::EMF_FOG_ENABLE, true);
 920         }
 921         else if(m_prop.visual == "mesh") {
 922                 infostream<<"GenericCAO::addToScene(): mesh"<<std::endl;
 923                 scene::IAnimatedMesh *mesh = m_gamedef->getMesh(m_prop.mesh);
 924                 if(mesh)
 925                 {
 926                         m_animated_meshnode = smgr->addAnimatedMeshSceneNode(mesh, NULL);
 927                         m_animated_meshnode->grab();
 928                         mesh->drop(); // The scene node took hold of it
 929                         m_animated_meshnode->animateJoints(); // Needed for some animations
 930                         m_animated_meshnode->setScale(v3f(m_prop.visual_size.X,
 931                                         m_prop.visual_size.Y,
 932                                         m_prop.visual_size.X));
 933                         u8 li = m_last_light;
 934                         setMeshColor(m_animated_meshnode->getMesh(), video::SColor(255,li,li,li));
 935
 936                         m_animated_meshnode->setMaterialFlag(video::EMF_LIGHTING, false);
 937                         m_animated_meshnode->setMaterialFlag(video::EMF_BILINEAR_FILTER, false);
 938                         m_animated_meshnode->setMaterialType(video::EMT_TRANSPARENT_ALPHA_CHANNEL_REF);
 939                         m_animated_meshnode->setMaterialFlag(video::EMF_FOG_ENABLE, true);
 940                 }
 941                 else
 942                         errorstream<<"GenericCAO::addToScene(): Could not load mesh "<<m_prop.mesh<<std::endl;
 943         }
 944         else if(m_prop.visual == "wielditem") {
 945                 infostream<<"GenericCAO::addToScene(): wielditem"<<std::endl;
 946                 infostream<<"textures: "<<m_prop.textures.size()<<std::endl;
 947                 if(m_prop.textures.size() >= 1){
 948                         infostream<<"textures[0]: "<<m_prop.textures[0]<<std::endl;
 949                         IItemDefManager *idef = m_gamedef->idef();
 950                         ItemStack item(m_prop.textures[0], 1, 0, "", idef);
 951
 952                         m_wield_meshnode = new WieldMeshSceneNode(
 953                                         smgr->getRootSceneNode(), smgr, -1);
 954                         m_wield_meshnode->setItem(item, m_gamedef);
 955
 956                         m_wield_meshnode->setScale(v3f(m_prop.visual_size.X/2,
 957                                         m_prop.visual_size.Y/2,
 958                                         m_prop.visual_size.X/2));
 959                         u8 li = m_last_light;
 960                         m_wield_meshnode->setColor(video::SColor(255,li,li,li));
 961                 }
 962         } else {
 963                 infostream<<"GenericCAO::addToScene(): \""<<m_prop.visual
 964                                 <<"\" not supported"<<std::endl;
 965         }
 966         updateTextures("");
 967
 968         scene::ISceneNode *node = getSceneNode();
 969         if (node && m_is_player && !m_is_local_player) {
 970                 // Add a text node for showing the name
 971                 gui::IGUIEnvironment* gui = irr->getGUIEnvironment();
 972                 std::wstring wname = narrow_to_wide(m_name);
 973                 m_textnode = smgr->addTextSceneNode(gui->getSkin()->getFont(),
 974                                 wname.c_str(), m_nametag_color, node);
 975                 m_textnode->grab();
 976                 m_textnode->setPosition(v3f(0, BS*1.1, 0));
 977         }
 978
 979         updateNodePos();
 980         updateAnimation();
 981         updateBonePosition();
 982         updateAttachments();
 983 }
 984
 985 void GenericCAO::updateLight(u8 light_at_pos)
 986 {
 987         u8 li = decode_light(light_at_pos);
 988         if(li != m_last_light)
 989         {
 990                 m_last_light = li;
 991                 video::SColor color(255,li,li,li);
 992                 if(m_meshnode)
 993                         setMeshColor(m_meshnode->getMesh(), color);
 994                 if(m_animated_meshnode)
 995                         setMeshColor(m_animated_meshnode->getMesh(), color);
 996                 if(m_wield_meshnode)
 997                         m_wield_meshnode->setColor(color);
 998                 if(m_spritenode)
 999                         m_spritenode->setColor(color);
1000         }
1001 }
1002
1003 v3s16 GenericCAO::getLightPosition()
1004 {
1005         return floatToInt(m_position, BS);
1006 }
1007
1008 void GenericCAO::updateNodePos()
1009 {
1010         if (getParent() != NULL)
1011                 return;
1012
1013         scene::ISceneNode *node = getSceneNode();
1014
1015         if (node) {
1016                 v3s16 camera_offset = m_env->getCameraOffset();
1017                 node->setPosition(pos_translator.vect_show - intToFloat(camera_offset, BS));
1018                 if (node != m_spritenode) { // rotate if not a sprite
1019                         v3f rot = node->getRotation();
1020                         rot.Y = -m_yaw;
1021                         node->setRotation(rot);
1022                 }
1023         }
1024 }
1025
1026 void GenericCAO::step(float dtime, ClientEnvironment *env)
1027 {
1028         // Handel model of local player instantly to prevent lags
1029         if(m_is_local_player)
1030         {
1031                 LocalPlayer *player = m_env->getLocalPlayer();
1032
1033                 if (m_is_visible)
1034                 {
1035                         int old_anim = player->last_animation;
1036                         float old_anim_speed = player->last_animation_speed;
1037                         m_position = player->getPosition() + v3f(0,BS,0);
1038                         m_velocity = v3f(0,0,0);
1039                         m_acceleration = v3f(0,0,0);
1040                         pos_translator.vect_show = m_position;
1041                         m_yaw = player->getYaw();
1042                         PlayerControl controls = player->getPlayerControl();
1043
1044                         bool walking = false;
1045                         if(controls.up || controls.down || controls.left || controls.right)
1046                                 walking = true;
1047
1048                         f32 new_speed = player->local_animation_speed;
1049                         v2s32 new_anim = v2s32(0,0);
1050                         bool allow_update = false;
1051
1052                         // increase speed if using fast or flying fast
1053                         if((g_settings->getBool("fast_move") &&
1054                                         m_gamedef->checkLocalPrivilege("fast")) &&
1055                                         (controls.aux1 ||
1056                                         (!player->touching_ground &&
1057                                         g_settings->getBool("free_move") &&
1058                                         m_gamedef->checkLocalPrivilege("fly"))))
1059                                         new_speed *= 1.5;
1060                         // slowdown speed if sneeking
1061                         if(controls.sneak && walking)
1062                                 new_speed /= 2;
1063
1064                         if(walking && (controls.LMB || controls.RMB))
1065                         {
1066                                 new_anim = player->local_animations[3];
1067                                 player->last_animation = WD_ANIM;
1068                         } else if(walking) {
1069                                 new_anim = player->local_animations[1];
1070                                 player->last_animation = WALK_ANIM;
1071                         } else if(controls.LMB || controls.RMB) {
1072                                 new_anim = player->local_animations[2];
1073                                 player->last_animation = DIG_ANIM;
1074                         }
1075
1076                         // Apply animations if input detected and not attached
1077                         // or set idle animation
1078                         if ((new_anim.X + new_anim.Y) > 0 && !player->isAttached)
1079                         {
1080                                 allow_update = true;
1081                                 m_animation_range = new_anim;
1082                                 m_animation_speed = new_speed;
1083                                 player->last_animation_speed = m_animation_speed;
1084                         } else {
1085                                 player->last_animation = NO_ANIM;
1086
1087                                 if (old_anim != NO_ANIM)
1088                                 {
1089                                         m_animation_range = player->local_animations[0];
1090                                         updateAnimation();
1091                                 }
1092                         }
1093
1094                         // Update local player animations
1095                         if ((player->last_animation != old_anim ||
1096                                 m_animation_speed != old_anim_speed) &&
1097                                 player->last_animation != NO_ANIM && allow_update)
1098                                         updateAnimation();
1099
1100                 }
1101         }
1102
1103         if(m_visuals_expired && m_smgr && m_irr){
1104                 m_visuals_expired = false;
1105
1106                 // Attachments, part 1: All attached objects must be unparented first,
1107                 // or Irrlicht causes a segmentation fault
1108                 for(std::vector<u16>::iterator ci = m_children.begin();
1109                                 ci != m_children.end();)
1110                 {
1111                         if (m_env->attachement_parent_ids[*ci] != getId()) {
1112                                 ci = m_children.erase(ci);
1113                                 continue;
1114                         }
1115                         ClientActiveObject *obj = m_env->getActiveObject(*ci);
1116                         if (obj) {
1117                                 scene::ISceneNode *child_node = obj->getSceneNode();
1118                                 if (child_node)
1119                                         child_node->setParent(m_smgr->getRootSceneNode());
1120                         }
1121                         ++ci;
1122                 }
1123
1124                 removeFromScene(false);
1125                 addToScene(m_smgr, m_gamedef->tsrc(), m_irr);
1126
1127                 // Attachments, part 2: Now that the parent has been refreshed, put its attachments back
1128                 for (std::vector<u16>::size_type i = 0; i < m_children.size(); i++) {
1129                         // Get the object of the child
1130                         ClientActiveObject *obj = m_env->getActiveObject(m_children[i]);
1131                         if (obj)
1132                                 obj->setAttachments();
1133                 }
1134         }
1135
1136         // Make sure m_is_visible is always applied
1137         scene::ISceneNode *node = getSceneNode();
1138         if (node)
1139                 node->setVisible(m_is_visible);
1140
1141         if(getParent() != NULL) // Attachments should be glued to their parent by Irrlicht
1142         {
1143                 // Set these for later
1144                 m_position = getPosition();
1145                 m_velocity = v3f(0,0,0);
1146                 m_acceleration = v3f(0,0,0);
1147                 pos_translator.vect_show = m_position;
1148
1149                 if(m_is_local_player) // Update local player attachment position
1150                 {
1151                         LocalPlayer *player = m_env->getLocalPlayer();
1152                         player->overridePosition = getParent()->getPosition();
1153                         m_env->getLocalPlayer()->parent = getParent();
1154                 }
1155         } else {
1156                 v3f lastpos = pos_translator.vect_show;
1157
1158                 if(m_prop.physical)
1159                 {
1160                         core::aabbox3d<f32> box = m_prop.collisionbox;
1161                         box.MinEdge *= BS;
1162                         box.MaxEdge *= BS;
1163                         collisionMoveResult moveresult;
1164                         f32 pos_max_d = BS*0.125; // Distance per iteration
1165                         v3f p_pos = m_position;
1166                         v3f p_velocity = m_velocity;
1167                         v3f p_acceleration = m_acceleration;
1168                         moveresult = collisionMoveSimple(env,env->getGameDef(),
1169                                         pos_max_d, box, m_prop.stepheight, dtime,
1170                                         p_pos, p_velocity, p_acceleration,
1171                                         this, m_prop.collideWithObjects);
1172                         // Apply results
1173                         m_position = p_pos;
1174                         m_velocity = p_velocity;
1175                         m_acceleration = p_acceleration;
1176
1177                         bool is_end_position = moveresult.collides;
1178                         pos_translator.update(m_position, is_end_position, dtime);
1179                         pos_translator.translate(dtime);
1180                         updateNodePos();
1181                 } else {
1182                         m_position += dtime * m_velocity + 0.5 * dtime * dtime * m_acceleration;
1183                         m_velocity += dtime * m_acceleration;
1184                         pos_translator.update(m_position, pos_translator.aim_is_end,
1185                                         pos_translator.anim_time);
1186                         pos_translator.translate(dtime);
1187                         updateNodePos();
1188                 }
1189
1190                 float moved = lastpos.getDistanceFrom(pos_translator.vect_show);
1191                 m_step_distance_counter += moved;
1192                 if(m_step_distance_counter > 1.5*BS)
1193                 {
1194                         m_step_distance_counter = 0;
1195                         if(!m_is_local_player && m_prop.makes_footstep_sound)
1196                         {
1197                                 INodeDefManager *ndef = m_gamedef->ndef();
1198                                 v3s16 p = floatToInt(getPosition() + v3f(0,
1199                                                 (m_prop.collisionbox.MinEdge.Y-0.5)*BS, 0), BS);
1200                                 MapNode n = m_env->getMap().getNodeNoEx(p);
1201                                 SimpleSoundSpec spec = ndef->get(n).sound_footstep;
1202                                 m_gamedef->sound()->playSoundAt(spec, false, getPosition());
1203                         }
1204                 }
1205         }
1206
1207         m_anim_timer += dtime;
1208         if(m_anim_timer >= m_anim_framelength)
1209         {
1210                 m_anim_timer -= m_anim_framelength;
1211                 m_anim_frame++;
1212                 if(m_anim_frame >= m_anim_num_frames)
1213                         m_anim_frame = 0;
1214         }
1215
1216         updateTexturePos();
1217
1218         if(m_reset_textures_timer >= 0)
1219         {
1220                 m_reset_textures_timer -= dtime;
1221                 if(m_reset_textures_timer <= 0){
1222                         m_reset_textures_timer = -1;
1223                         updateTextures("");
1224                 }
1225         }
1226         if(getParent() == NULL && fabs(m_prop.automatic_rotate) > 0.001)
1227         {
1228                 m_yaw += dtime * m_prop.automatic_rotate * 180 / M_PI;
1229                 updateNodePos();
1230         }
1231
1232         if (getParent() == NULL && m_prop.automatic_face_movement_dir &&
1233                         (fabs(m_velocity.Z) > 0.001 || fabs(m_velocity.X) > 0.001))
1234         {
1235                 m_yaw = atan2(m_velocity.Z,m_velocity.X) * 180 / M_PI
1236                                 + m_prop.automatic_face_movement_dir_offset;
1237                 updateNodePos();
1238         }
1239 }
1240
1241 void GenericCAO::updateTexturePos()
1242 {
1243         if(m_spritenode)
1244         {
1245                 scene::ICameraSceneNode* camera =
1246                                 m_spritenode->getSceneManager()->getActiveCamera();
1247                 if(!camera)
1248                         return;
1249                 v3f cam_to_entity = m_spritenode->getAbsolutePosition()
1250                                 - camera->getAbsolutePosition();
1251                 cam_to_entity.normalize();
1252
1253                 int row = m_tx_basepos.Y;
1254                 int col = m_tx_basepos.X;
1255
1256                 if(m_tx_select_horiz_by_yawpitch)
1257                 {
1258                         if(cam_to_entity.Y > 0.75)
1259                                 col += 5;
1260                         else if(cam_to_entity.Y < -0.75)
1261                                 col += 4;
1262                         else{
1263                                 float mob_dir =
1264                                                 atan2(cam_to_entity.Z, cam_to_entity.X) / M_PI * 180.;
1265                                 float dir = mob_dir - m_yaw;
1266                                 dir = wrapDegrees_180(dir);
1267                                 //infostream<<"id="<<m_id<<" dir="<<dir<<std::endl;
1268                                 if(fabs(wrapDegrees_180(dir - 0)) <= 45.1)
1269                                         col += 2;
1270                                 else if(fabs(wrapDegrees_180(dir - 90)) <= 45.1)
1271                                         col += 3;
1272                                 else if(fabs(wrapDegrees_180(dir - 180)) <= 45.1)
1273                                         col += 0;
1274                                 else if(fabs(wrapDegrees_180(dir + 90)) <= 45.1)
1275                                         col += 1;
1276                                 else
1277                                         col += 4;
1278                         }
1279                 }
1280
1281                 // Animation goes downwards
1282                 row += m_anim_frame;
1283
1284                 float txs = m_tx_size.X;
1285                 float tys = m_tx_size.Y;
1286                 setBillboardTextureMatrix(m_spritenode,
1287                                 txs, tys, col, row);
1288         }
1289 }
1290
1291 void GenericCAO::updateTextures(const std::string &mod)
1292 {
1293         ITextureSource *tsrc = m_gamedef->tsrc();
1294
1295         bool use_trilinear_filter = g_settings->getBool("trilinear_filter");
1296         bool use_bilinear_filter = g_settings->getBool("bilinear_filter");
1297         bool use_anisotropic_filter = g_settings->getBool("anisotropic_filter");
1298
1299         if(m_spritenode)
1300         {
1301                 if(m_prop.visual == "sprite")
1302                 {
1303                         std::string texturestring = "unknown_node.png";
1304                         if(m_prop.textures.size() >= 1)
1305                                 texturestring = m_prop.textures[0];
1306                         texturestring += mod;
1307                         m_spritenode->setMaterialTexture(0,
1308                                         tsrc->getTextureForMesh(texturestring));
1309
1310                         // This allows setting per-material colors. However, until a real lighting
1311                         // system is added, the code below will have no effect. Once MineTest
1312                         // has directional lighting, it should work automatically.
1313                         if(m_prop.colors.size() >= 1)
1314                         {
1315                                 m_spritenode->getMaterial(0).AmbientColor = m_prop.colors[0];
1316                                 m_spritenode->getMaterial(0).DiffuseColor = m_prop.colors[0];
1317                                 m_spritenode->getMaterial(0).SpecularColor = m_prop.colors[0];
1318                         }
1319
1320                         m_spritenode->getMaterial(0).setFlag(video::EMF_TRILINEAR_FILTER, use_trilinear_filter);
1321                         m_spritenode->getMaterial(0).setFlag(video::EMF_BILINEAR_FILTER, use_bilinear_filter);
1322                         m_spritenode->getMaterial(0).setFlag(video::EMF_ANISOTROPIC_FILTER, use_anisotropic_filter);
1323                 }
1324         }
1325         if(m_animated_meshnode)
1326         {
1327                 if(m_prop.visual == "mesh")
1328                 {
1329                         for (u32 i = 0; i < m_prop.textures.size() &&
1330                                         i < m_animated_meshnode->getMaterialCount(); ++i)
1331                         {
1332                                 std::string texturestring = m_prop.textures[i];
1333                                 if(texturestring == "")
1334                                         continue; // Empty texture string means don't modify that material
1335                                 texturestring += mod;
1336                                 video::ITexture* texture = tsrc->getTextureForMesh(texturestring);
1337                                 if(!texture)
1338                                 {
1339                                         errorstream<<"GenericCAO::updateTextures(): Could not load texture "<<texturestring<<std::endl;
1340                                         continue;
1341                                 }
1342
1343                                 // Set material flags and texture
1344                                 video::SMaterial& material = m_animated_meshnode->getMaterial(i);
1345                                 material.TextureLayer[0].Texture = texture;
1346                                 material.setFlag(video::EMF_LIGHTING, false);
1347                                 material.setFlag(video::EMF_BILINEAR_FILTER, false);
1348
1349                                 m_animated_meshnode->getMaterial(i)
1350                                                 .setFlag(video::EMF_TRILINEAR_FILTER, use_trilinear_filter);
1351                                 m_animated_meshnode->getMaterial(i)
1352                                                 .setFlag(video::EMF_BILINEAR_FILTER, use_bilinear_filter);
1353                                 m_animated_meshnode->getMaterial(i)
1354                                                 .setFlag(video::EMF_ANISOTROPIC_FILTER, use_anisotropic_filter);
1355                         }
1356                         for (u32 i = 0; i < m_prop.colors.size() &&
1357                         i < m_animated_meshnode->getMaterialCount(); ++i)
1358                         {
1359                                 // This allows setting per-material colors. However, until a real lighting
1360                                 // system is added, the code below will have no effect. Once MineTest
1361                                 // has directional lighting, it should work automatically.
1362                                 m_animated_meshnode->getMaterial(i).AmbientColor = m_prop.colors[i];
1363                                 m_animated_meshnode->getMaterial(i).DiffuseColor = m_prop.colors[i];
1364                                 m_animated_meshnode->getMaterial(i).SpecularColor = m_prop.colors[i];
1365                         }
1366                 }
1367         }
1368         if(m_meshnode)
1369         {
1370                 if(m_prop.visual == "cube")
1371                 {
1372                         for (u32 i = 0; i < 6; ++i)
1373                         {
1374                                 std::string texturestring = "unknown_node.png";
1375                                 if(m_prop.textures.size() > i)
1376                                         texturestring = m_prop.textures[i];
1377                                 texturestring += mod;
1378
1379
1380                                 // Set material flags and texture
1381                                 video::SMaterial& material = m_meshnode->getMaterial(i);
1382                                 material.setFlag(video::EMF_LIGHTING, false);
1383                                 material.setFlag(video::EMF_BILINEAR_FILTER, false);
1384                                 material.setTexture(0,
1385                                                 tsrc->getTextureForMesh(texturestring));
1386                                 material.getTextureMatrix(0).makeIdentity();
1387
1388                                 // This allows setting per-material colors. However, until a real lighting
1389                                 // system is added, the code below will have no effect. Once MineTest
1390                                 // has directional lighting, it should work automatically.
1391                                 if(m_prop.colors.size() > i)
1392                                 {
1393                                         m_meshnode->getMaterial(i).AmbientColor = m_prop.colors[i];
1394                                         m_meshnode->getMaterial(i).DiffuseColor = m_prop.colors[i];
1395                                         m_meshnode->getMaterial(i).SpecularColor = m_prop.colors[i];
1396                                 }
1397
1398                                 m_meshnode->getMaterial(i).setFlag(video::EMF_TRILINEAR_FILTER, use_trilinear_filter);
1399                                 m_meshnode->getMaterial(i).setFlag(video::EMF_BILINEAR_FILTER, use_bilinear_filter);
1400                                 m_meshnode->getMaterial(i).setFlag(video::EMF_ANISOTROPIC_FILTER, use_anisotropic_filter);
1401                         }
1402                 }
1403                 else if(m_prop.visual == "upright_sprite")
1404                 {
1405                         scene::IMesh *mesh = m_meshnode->getMesh();
1406                         {
1407                                 std::string tname = "unknown_object.png";
1408                                 if(m_prop.textures.size() >= 1)
1409                                         tname = m_prop.textures[0];
1410                                 tname += mod;
1411                                 scene::IMeshBuffer *buf = mesh->getMeshBuffer(0);
1412                                 buf->getMaterial().setTexture(0,
1413                                                 tsrc->getTextureForMesh(tname));
1414
1415                                 // This allows setting per-material colors. However, until a real lighting
1416                                 // system is added, the code below will have no effect. Once MineTest
1417                                 // has directional lighting, it should work automatically.
1418                                 if(m_prop.colors.size() >= 1)
1419                                 {
1420                                         buf->getMaterial().AmbientColor = m_prop.colors[0];
1421                                         buf->getMaterial().DiffuseColor = m_prop.colors[0];
1422                                         buf->getMaterial().SpecularColor = m_prop.colors[0];
1423                                 }
1424
1425                                 buf->getMaterial().setFlag(video::EMF_TRILINEAR_FILTER, use_trilinear_filter);
1426                                 buf->getMaterial().setFlag(video::EMF_BILINEAR_FILTER, use_bilinear_filter);
1427                                 buf->getMaterial().setFlag(video::EMF_ANISOTROPIC_FILTER, use_anisotropic_filter);
1428                         }
1429                         {
1430                                 std::string tname = "unknown_object.png";
1431                                 if(m_prop.textures.size() >= 2)
1432                                         tname = m_prop.textures[1];
1433                                 else if(m_prop.textures.size() >= 1)
1434                                         tname = m_prop.textures[0];
1435                                 tname += mod;
1436                                 scene::IMeshBuffer *buf = mesh->getMeshBuffer(1);
1437                                 buf->getMaterial().setTexture(0,
1438                                                 tsrc->getTextureForMesh(tname));
1439
1440                                 // This allows setting per-material colors. However, until a real lighting
1441                                 // system is added, the code below will have no effect. Once MineTest
1442                                 // has directional lighting, it should work automatically.
1443                                 if(m_prop.colors.size() >= 2)
1444                                 {
1445                                         buf->getMaterial().AmbientColor = m_prop.colors[1];
1446                                         buf->getMaterial().DiffuseColor = m_prop.colors[1];
1447                                         buf->getMaterial().SpecularColor = m_prop.colors[1];
1448                                 }
1449                                 else if(m_prop.colors.size() >= 1)
1450                                 {
1451                                         buf->getMaterial().AmbientColor = m_prop.colors[0];
1452                                         buf->getMaterial().DiffuseColor = m_prop.colors[0];
1453                                         buf->getMaterial().SpecularColor = m_prop.colors[0];
1454                                 }
1455
1456                                 buf->getMaterial().setFlag(video::EMF_TRILINEAR_FILTER, use_trilinear_filter);
1457                                 buf->getMaterial().setFlag(video::EMF_BILINEAR_FILTER, use_bilinear_filter);
1458                                 buf->getMaterial().setFlag(video::EMF_ANISOTROPIC_FILTER, use_anisotropic_filter);
1459                         }
1460                 }
1461         }
1462 }
1463
1464 void GenericCAO::updateAnimation()
1465 {
1466         if(m_animated_meshnode == NULL)
1467                 return;
1468         m_animated_meshnode->setFrameLoop(m_animation_range.X, m_animation_range.Y);
1469         m_animated_meshnode->setAnimationSpeed(m_animation_speed);
1470         m_animated_meshnode->setTransitionTime(m_animation_blend);
1471 }
1472
1473 void GenericCAO::updateBonePosition()
1474 {
1475         if(m_bone_position.empty() || m_animated_meshnode == NULL)
1476                 return;
1477
1478         m_animated_meshnode->setJointMode(irr::scene::EJUOR_CONTROL); // To write positions to the mesh on render
1479         for(std::map<std::string,
1480                         core::vector2d<v3f> >::const_iterator ii = m_bone_position.begin();
1481                         ii != m_bone_position.end(); ++ii)
1482         {
1483                 std::string bone_name = (*ii).first;
1484                 v3f bone_pos = (*ii).second.X;
1485                 v3f bone_rot = (*ii).second.Y;
1486                 irr::scene::IBoneSceneNode* bone = m_animated_meshnode->getJointNode(bone_name.c_str());
1487                 if(bone)
1488                 {
1489                         bone->setPosition(bone_pos);
1490                         bone->setRotation(bone_rot);
1491                 }
1492         }
1493 }
1494
1495 void GenericCAO::updateAttachments()
1496 {
1497
1498         if (getParent() == NULL) { // Detach or don't attach
1499                 scene::ISceneNode *node = getSceneNode();
1500                 if (node) {
1501                         v3f old_position = node->getAbsolutePosition();
1502                         v3f old_rotation = node->getRotation();
1503                         node->setParent(m_smgr->getRootSceneNode());
1504                         node->setPosition(old_position);
1505                         node->setRotation(old_rotation);
1506                         node->updateAbsolutePosition();
1507                 }
1508                 if (m_is_local_player) {
1509                         LocalPlayer *player = m_env->getLocalPlayer();
1510                         player->isAttached = false;
1511                 }
1512         }
1513         else // Attach
1514         {
1515                 scene::ISceneNode *my_node = getSceneNode();
1516
1517                 scene::ISceneNode *parent_node = getParent()->getSceneNode();
1518                 scene::IAnimatedMeshSceneNode *parent_animated_mesh_node =
1519                                 getParent()->getAnimatedMeshSceneNode();
1520                 if (parent_animated_mesh_node && m_attachment_bone != "") {
1521                         parent_node = parent_animated_mesh_node->getJointNode(m_attachment_bone.c_str());
1522                 }
1523
1524                 if (my_node && parent_node) {
1525                         my_node->setParent(parent_node);
1526                         my_node->setPosition(m_attachment_position);
1527                         my_node->setRotation(m_attachment_rotation);
1528                         my_node->updateAbsolutePosition();
1529                 }
1530                 if (m_is_local_player) {
1531                         LocalPlayer *player = m_env->getLocalPlayer();
1532                         player->isAttached = true;
1533                 }
1534         }
1535 }
1536
1537 void GenericCAO::processMessage(const std::string &data)
1538 {
1539         //infostream<<"GenericCAO: Got message"<<std::endl;
1540         std::istringstream is(data, std::ios::binary);
1541         // command
1542         u8 cmd = readU8(is);
1543         if(cmd == GENERIC_CMD_SET_PROPERTIES)
1544         {
1545                 m_prop = gob_read_set_properties(is);
1546
1547                 m_selection_box = m_prop.collisionbox;
1548                 m_selection_box.MinEdge *= BS;
1549                 m_selection_box.MaxEdge *= BS;
1550
1551                 m_tx_size.X = 1.0 / m_prop.spritediv.X;
1552                 m_tx_size.Y = 1.0 / m_prop.spritediv.Y;
1553
1554                 if(!m_initial_tx_basepos_set){
1555                         m_initial_tx_basepos_set = true;
1556                         m_tx_basepos = m_prop.initial_sprite_basepos;
1557                 }
1558
1559                 expireVisuals();
1560         }
1561         else if(cmd == GENERIC_CMD_UPDATE_POSITION)
1562         {
1563                 // Not sent by the server if this object is an attachment.
1564                 // We might however get here if the server notices the object being detached before the client.
1565                 m_position = readV3F1000(is);
1566                 m_velocity = readV3F1000(is);
1567                 m_acceleration = readV3F1000(is);
1568                 if(fabs(m_prop.automatic_rotate) < 0.001)
1569                         m_yaw = readF1000(is);
1570                 else
1571                         readF1000(is);
1572                 bool do_interpolate = readU8(is);
1573                 bool is_end_position = readU8(is);
1574                 float update_interval = readF1000(is);
1575
1576                 // Place us a bit higher if we're physical, to not sink into
1577                 // the ground due to sucky collision detection...
1578                 if(m_prop.physical)
1579                         m_position += v3f(0,0.002,0);
1580
1581                 if(getParent() != NULL) // Just in case
1582                         return;
1583
1584                 if(do_interpolate)
1585                 {
1586                         if(!m_prop.physical)
1587                                 pos_translator.update(m_position, is_end_position, update_interval);
1588                 } else {
1589                         pos_translator.init(m_position);
1590                 }
1591                 updateNodePos();
1592         }
1593         else if(cmd == GENERIC_CMD_SET_TEXTURE_MOD) {
1594                 std::string mod = deSerializeString(is);
1595                 updateTextures(mod);
1596         }
1597         else if(cmd == GENERIC_CMD_SET_SPRITE) {
1598                 v2s16 p = readV2S16(is);
1599                 int num_frames = readU16(is);
1600                 float framelength = readF1000(is);
1601                 bool select_horiz_by_yawpitch = readU8(is);
1602
1603                 m_tx_basepos = p;
1604                 m_anim_num_frames = num_frames;
1605                 m_anim_framelength = framelength;
1606                 m_tx_select_horiz_by_yawpitch = select_horiz_by_yawpitch;
1607
1608                 updateTexturePos();
1609         }
1610         else if(cmd == GENERIC_CMD_SET_PHYSICS_OVERRIDE) {
1611                 float override_speed = readF1000(is);
1612                 float override_jump = readF1000(is);
1613                 float override_gravity = readF1000(is);
1614                 // these are sent inverted so we get true when the server sends nothing
1615                 bool sneak = !readU8(is);
1616                 bool sneak_glitch = !readU8(is);
1617
1618
1619                 if(m_is_local_player)
1620                 {
1621                         LocalPlayer *player = m_env->getLocalPlayer();
1622                         player->physics_override_speed = override_speed;
1623                         player->physics_override_jump = override_jump;
1624                         player->physics_override_gravity = override_gravity;
1625                         player->physics_override_sneak = sneak;
1626                         player->physics_override_sneak_glitch = sneak_glitch;
1627                 }
1628         }
1629         else if(cmd == GENERIC_CMD_SET_ANIMATION) {
1630                 // TODO: change frames send as v2s32 value
1631                 v2f range = readV2F1000(is);
1632                 if (!m_is_local_player) {
1633                         m_animation_range = v2s32((s32)range.X, (s32)range.Y);
1634                         m_animation_speed = readF1000(is);
1635                         m_animation_blend = readF1000(is);
1636                         updateAnimation();
1637                 } else {
1638                         LocalPlayer *player = m_env->getLocalPlayer();
1639                         if(player->last_animation == NO_ANIM)
1640                         {
1641                                 m_animation_range = v2s32((s32)range.X, (s32)range.Y);
1642                                 m_animation_speed = readF1000(is);
1643                                 m_animation_blend = readF1000(is);
1644                         }
1645                         // update animation only if local animations present
1646                         // and received animation is unknown (except idle animation)
1647                         bool is_known = false;
1648                         for (int i = 1;i<4;i++)
1649                         {
1650                                 if(m_animation_range.Y == player->local_animations[i].Y)
1651                                         is_known = true;
1652                         }
1653                         if(!is_known ||
1654                                         (player->local_animations[1].Y + player->local_animations[2].Y < 1))
1655                         {
1656                                         updateAnimation();
1657                         }
1658                 }
1659         }
1660         else if(cmd == GENERIC_CMD_SET_BONE_POSITION) {
1661                 std::string bone = deSerializeString(is);
1662                 v3f position = readV3F1000(is);
1663                 v3f rotation = readV3F1000(is);
1664                 m_bone_position[bone] = core::vector2d<v3f>(position, rotation);
1665
1666                 updateBonePosition();
1667         } else if (cmd == GENERIC_CMD_ATTACH_TO) {
1668                 u16 parentID = readS16(is);
1669                 u16 oldparent = m_env->attachement_parent_ids[getId()];
1670                 if (oldparent) {
1671                         m_children.erase(std::remove(m_children.begin(), m_children.end(),
1672                                 getId()), m_children.end());
1673                 }
1674                 m_env->attachement_parent_ids[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);