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