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