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 "content_cao.h"
  21 #include "tile.h"
  22 #include "environment.h"
  23 #include "collision.h"
  24 #include "settings.h"
  25 #include <ICameraSceneNode.h>
  26 #include <ITextSceneNode.h>
  27 #include <IBillboardSceneNode.h>
  28 #include "serialization.h" // For decompressZlib
  29 #include "gamedef.h"
  30 #include "clientobject.h"
  31 #include "content_object.h"
  32 #include "mesh.h"
  33 #include "itemdef.h"
  34 #include "tool.h"
  35 #include "content_cso.h"
  36 #include "sound.h"
  37 #include "nodedef.h"
  38 #include "localplayer.h"
  39 #include "util/numeric.h" // For IntervalLimiter
  40 #include "util/serialize.h"
  41 #include "util/mathconstants.h"
  42 #include "map.h"
  43 #include "main.h" // g_settings
  44 #include "camera.h" // CameraModes
  45 #include <IMeshManipulator.h>
  46 #include <IAnimatedMeshSceneNode.h>
  47 #include <IBoneSceneNode.h>
  48
  49 class Settings;
  50 struct ToolCapabilities;
  51
  52 #define PP(x) "("<<(x).X<<","<<(x).Y<<","<<(x).Z<<")"
  53
  54 std::map<u16, ClientActiveObject::Factory> ClientActiveObject::m_types;
  55
  56 SmoothTranslator::SmoothTranslator():
  57         vect_old(0,0,0),
  58         vect_show(0,0,0),
  59         vect_aim(0,0,0),
  60         anim_counter(0),
  61         anim_time(0),
  62         anim_time_counter(0),
  63         aim_is_end(true)
  64 {}
  65
  66 void SmoothTranslator::init(v3f vect)
  67 {
  68         vect_old = vect;
  69         vect_show = vect;
  70         vect_aim = vect;
  71         anim_counter = 0;
  72         anim_time = 0;
  73         anim_time_counter = 0;
  74         aim_is_end = true;
  75 }
  76
  77 void SmoothTranslator::sharpen()
  78 {
  79         init(vect_show);
  80 }
  81
  82 void SmoothTranslator::update(v3f vect_new, bool is_end_position, float update_interval)
  83 {
  84         aim_is_end = is_end_position;
  85         vect_old = vect_show;
  86         vect_aim = vect_new;
  87         if(update_interval > 0)
  88         {
  89                 anim_time = update_interval;
  90         } else {
  91                 if(anim_time < 0.001 || anim_time > 1.0)
  92                         anim_time = anim_time_counter;
  93                 else
  94                         anim_time = anim_time * 0.9 + anim_time_counter * 0.1;
  95         }
  96         anim_time_counter = 0;
  97         anim_counter = 0;
  98 }
  99
 100 void SmoothTranslator::translate(f32 dtime)
 101 {
 102         anim_time_counter = anim_time_counter + dtime;
 103         anim_counter = anim_counter + dtime;
 104         v3f vect_move = vect_aim - vect_old;
 105         f32 moveratio = 1.0;
 106         if(anim_time > 0.001)
 107                 moveratio = anim_time_counter / anim_time;
 108         // Move a bit less than should, to avoid oscillation
 109         moveratio = moveratio * 0.8;
 110         float move_end = 1.5;
 111         if(aim_is_end)
 112                 move_end = 1.0;
 113         if(moveratio > move_end)
 114                 moveratio = move_end;
 115         vect_show = vect_old + vect_move * moveratio;
 116 }
 117
 118 bool SmoothTranslator::is_moving()
 119 {
 120         return ((anim_time_counter / anim_time) < 1.4);
 121 }
 122
 123 /*
 124         Other stuff
 125 */
 126
 127 static void setBillboardTextureMatrix(scene::IBillboardSceneNode *bill,
 128                 float txs, float tys, int col, int row)
 129 {
 130         video::SMaterial& material = bill->getMaterial(0);
 131         core::matrix4& matrix = material.getTextureMatrix(0);
 132         matrix.setTextureTranslate(txs*col, tys*row);
 133         matrix.setTextureScale(txs, tys);
 134 }
 135
 136 /*
 137         TestCAO
 138 */
 139
 140 class TestCAO : public ClientActiveObject
 141 {
 142 public:
 143         TestCAO(IGameDef *gamedef, ClientEnvironment *env);
 144         virtual ~TestCAO();
 145
 146         u8 getType() const
 147         {
 148                 return ACTIVEOBJECT_TYPE_TEST;
 149         }
 150
 151         static ClientActiveObject* create(IGameDef *gamedef, ClientEnvironment *env);
 152
 153         void addToScene(scene::ISceneManager *smgr, ITextureSource *tsrc,
 154                         IrrlichtDevice *irr);
 155         void removeFromScene(bool permanent);
 156         void updateLight(u8 light_at_pos);
 157         v3s16 getLightPosition();
 158         void updateNodePos();
 159
 160         void step(float dtime, ClientEnvironment *env);
 161
 162         void processMessage(const std::string &data);
 163
 164         bool getCollisionBox(aabb3f *toset) { return false; }
 165 private:
 166         scene::IMeshSceneNode *m_node;
 167         v3f m_position;
 168 };
 169
 170 // Prototype
 171 TestCAO proto_TestCAO(NULL, NULL);
 172
 173 TestCAO::TestCAO(IGameDef *gamedef, ClientEnvironment *env):
 174         ClientActiveObject(0, gamedef, env),
 175         m_node(NULL),
 176         m_position(v3f(0,10*BS,0))
 177 {
 178         ClientActiveObject::registerType(getType(), create);
 179 }
 180
 181 TestCAO::~TestCAO()
 182 {
 183 }
 184
 185 ClientActiveObject* TestCAO::create(IGameDef *gamedef, ClientEnvironment *env)
 186 {
 187         return new TestCAO(gamedef, env);
 188 }
 189
 190 void TestCAO::addToScene(scene::ISceneManager *smgr, ITextureSource *tsrc,
 191                         IrrlichtDevice *irr)
 192 {
 193         if(m_node != NULL)
 194                 return;
 195
 196         //video::IVideoDriver* driver = smgr->getVideoDriver();
 197
 198         scene::SMesh *mesh = new scene::SMesh();
 199         scene::IMeshBuffer *buf = new scene::SMeshBuffer();
 200         video::SColor c(255,255,255,255);
 201         video::S3DVertex vertices[4] =
 202         {
 203                 video::S3DVertex(-BS/2,-BS/4,0, 0,0,0, c, 0,1),
 204                 video::S3DVertex(BS/2,-BS/4,0, 0,0,0, c, 1,1),
 205                 video::S3DVertex(BS/2,BS/4,0, 0,0,0, c, 1,0),
 206                 video::S3DVertex(-BS/2,BS/4,0, 0,0,0, c, 0,0),
 207         };
 208         u16 indices[] = {0,1,2,2,3,0};
 209         buf->append(vertices, 4, indices, 6);
 210         // Set material
 211         buf->getMaterial().setFlag(video::EMF_LIGHTING, false);
 212         buf->getMaterial().setFlag(video::EMF_BACK_FACE_CULLING, false);
 213         buf->getMaterial().setTexture(0, tsrc->getTexture("rat.png"));
 214         buf->getMaterial().setFlag(video::EMF_BILINEAR_FILTER, false);
 215         buf->getMaterial().setFlag(video::EMF_FOG_ENABLE, true);
 216         buf->getMaterial().MaterialType = video::EMT_TRANSPARENT_ALPHA_CHANNEL;
 217         // Add to mesh
 218         mesh->addMeshBuffer(buf);
 219         buf->drop();
 220         m_node = smgr->addMeshSceneNode(mesh, NULL);
 221         mesh->drop();
 222         updateNodePos();
 223 }
 224
 225 void TestCAO::removeFromScene(bool permanent)
 226 {
 227         if(m_node == NULL)
 228                 return;
 229
 230         m_node->remove();
 231         m_node = NULL;
 232 }
 233
 234 void TestCAO::updateLight(u8 light_at_pos)
 235 {
 236 }
 237
 238 v3s16 TestCAO::getLightPosition()
 239 {
 240         return floatToInt(m_position, BS);
 241 }
 242
 243 void TestCAO::updateNodePos()
 244 {
 245         if(m_node == NULL)
 246                 return;
 247
 248         m_node->setPosition(m_position);
 249         //m_node->setRotation(v3f(0, 45, 0));
 250 }
 251
 252 void TestCAO::step(float dtime, ClientEnvironment *env)
 253 {
 254         if(m_node)
 255         {
 256                 v3f rot = m_node->getRotation();
 257                 //infostream<<"dtime="<<dtime<<", rot.Y="<<rot.Y<<std::endl;
 258                 rot.Y += dtime * 180;
 259                 m_node->setRotation(rot);
 260         }
 261 }
 262
 263 void TestCAO::processMessage(const std::string &data)
 264 {
 265         infostream<<"TestCAO: Got data: "<<data<<std::endl;
 266         std::istringstream is(data, std::ios::binary);
 267         u16 cmd;
 268         is>>cmd;
 269         if(cmd == 0)
 270         {
 271                 v3f newpos;
 272                 is>>newpos.X;
 273                 is>>newpos.Y;
 274                 is>>newpos.Z;
 275                 m_position = newpos;
 276                 updateNodePos();
 277         }
 278 }
 279
 280 /*
 281         ItemCAO
 282 */
 283
 284 class ItemCAO : public ClientActiveObject
 285 {
 286 public:
 287         ItemCAO(IGameDef *gamedef, ClientEnvironment *env);
 288         virtual ~ItemCAO();
 289
 290         u8 getType() const
 291         {
 292                 return ACTIVEOBJECT_TYPE_ITEM;
 293         }
 294
 295         static ClientActiveObject* create(IGameDef *gamedef, ClientEnvironment *env);
 296
 297         void addToScene(scene::ISceneManager *smgr, ITextureSource *tsrc,
 298                         IrrlichtDevice *irr);
 299         void removeFromScene(bool permanent);
 300         void updateLight(u8 light_at_pos);
 301         v3s16 getLightPosition();
 302         void updateNodePos();
 303         void updateInfoText();
 304         void updateTexture();
 305
 306         void step(float dtime, ClientEnvironment *env);
 307
 308         void processMessage(const std::string &data);
 309
 310         void initialize(const std::string &data);
 311
 312         core::aabbox3d<f32>* getSelectionBox()
 313                 {return &m_selection_box;}
 314         v3f getPosition()
 315                 {return m_position;}
 316
 317         std::string infoText()
 318                 {return m_infotext;}
 319
 320         bool getCollisionBox(aabb3f *toset) { return false; }
 321 private:
 322         core::aabbox3d<f32> m_selection_box;
 323         scene::IMeshSceneNode *m_node;
 324         v3f m_position;
 325         std::string m_itemstring;
 326         std::string m_infotext;
 327 };
 328
 329 #include "inventory.h"
 330
 331 // Prototype
 332 ItemCAO proto_ItemCAO(NULL, NULL);
 333
 334 ItemCAO::ItemCAO(IGameDef *gamedef, ClientEnvironment *env):
 335         ClientActiveObject(0, gamedef, env),
 336         m_selection_box(-BS/3.,0.0,-BS/3., BS/3.,BS*2./3.,BS/3.),
 337         m_node(NULL),
 338         m_position(v3f(0,10*BS,0))
 339 {
 340         if(!gamedef && !env)
 341         {
 342                 ClientActiveObject::registerType(getType(), create);
 343         }
 344 }
 345
 346 ItemCAO::~ItemCAO()
 347 {
 348 }
 349
 350 ClientActiveObject* ItemCAO::create(IGameDef *gamedef, ClientEnvironment *env)
 351 {
 352         return new ItemCAO(gamedef, env);
 353 }
 354
 355 void ItemCAO::addToScene(scene::ISceneManager *smgr, ITextureSource *tsrc,
 356                         IrrlichtDevice *irr)
 357 {
 358         if(m_node != NULL)
 359                 return;
 360
 361         //video::IVideoDriver* driver = smgr->getVideoDriver();
 362
 363         scene::SMesh *mesh = new scene::SMesh();
 364         scene::IMeshBuffer *buf = new scene::SMeshBuffer();
 365         video::SColor c(255,255,255,255);
 366         video::S3DVertex vertices[4] =
 367         {
 368                 /*video::S3DVertex(-BS/2,-BS/4,0, 0,0,0, c, 0,1),
 369                 video::S3DVertex(BS/2,-BS/4,0, 0,0,0, c, 1,1),
 370                 video::S3DVertex(BS/2,BS/4,0, 0,0,0, c, 1,0),
 371                 video::S3DVertex(-BS/2,BS/4,0, 0,0,0, c, 0,0),*/
 372                 video::S3DVertex(BS/3.,0,0, 0,0,0, c, 0,1),
 373                 video::S3DVertex(-BS/3.,0,0, 0,0,0, c, 1,1),
 374                 video::S3DVertex(-BS/3.,0+BS*2./3.,0, 0,0,0, c, 1,0),
 375                 video::S3DVertex(BS/3.,0+BS*2./3.,0, 0,0,0, c, 0,0),
 376         };
 377         u16 indices[] = {0,1,2,2,3,0};
 378         buf->append(vertices, 4, indices, 6);
 379         // Set material
 380         buf->getMaterial().setFlag(video::EMF_LIGHTING, false);
 381         buf->getMaterial().setFlag(video::EMF_BACK_FACE_CULLING, false);
 382         // Initialize with a generated placeholder texture
 383         buf->getMaterial().setTexture(0, tsrc->getTexture(""));
 384         buf->getMaterial().setFlag(video::EMF_BILINEAR_FILTER, false);
 385         buf->getMaterial().setFlag(video::EMF_FOG_ENABLE, true);
 386         buf->getMaterial().MaterialType = video::EMT_TRANSPARENT_ALPHA_CHANNEL;
 387         // Add to mesh
 388         mesh->addMeshBuffer(buf);
 389         buf->drop();
 390         m_node = smgr->addMeshSceneNode(mesh, NULL);
 391         mesh->drop();
 392         updateNodePos();
 393
 394         /*
 395                 Update image of node
 396         */
 397
 398         updateTexture();
 399 }
 400
 401 void ItemCAO::removeFromScene(bool permanent)
 402 {
 403         if(m_node == NULL)
 404                 return;
 405
 406         m_node->remove();
 407         m_node = NULL;
 408 }
 409
 410 void ItemCAO::updateLight(u8 light_at_pos)
 411 {
 412         if(m_node == NULL)
 413                 return;
 414
 415         u8 li = decode_light(light_at_pos);
 416         video::SColor color(255,li,li,li);
 417         setMeshColor(m_node->getMesh(), color);
 418 }
 419
 420 v3s16 ItemCAO::getLightPosition()
 421 {
 422         return floatToInt(m_position + v3f(0,0.5*BS,0), BS);
 423 }
 424
 425 void ItemCAO::updateNodePos()
 426 {
 427         if(m_node == NULL)
 428                 return;
 429
 430         m_node->setPosition(m_position);
 431 }
 432
 433 void ItemCAO::updateInfoText()
 434 {
 435         try{
 436                 IItemDefManager *idef = m_gamedef->idef();
 437                 ItemStack item;
 438                 item.deSerialize(m_itemstring, idef);
 439                 if(item.isKnown(idef))
 440                         m_infotext = item.getDefinition(idef).description;
 441                 else
 442                         m_infotext = "Unknown item: '" + m_itemstring + "'";
 443                 if(item.count >= 2)
 444                         m_infotext += " (" + itos(item.count) + ")";
 445         }
 446         catch(SerializationError &e)
 447         {
 448                 m_infotext = "Unknown item: '" + m_itemstring + "'";
 449         }
 450 }
 451
 452 void ItemCAO::updateTexture()
 453 {
 454         if(m_node == NULL)
 455                 return;
 456
 457         // Create an inventory item to see what is its image
 458         std::istringstream is(m_itemstring, std::ios_base::binary);
 459         video::ITexture *texture = NULL;
 460         try{
 461                 IItemDefManager *idef = m_gamedef->idef();
 462                 ItemStack item;
 463                 item.deSerialize(is, idef);
 464                 texture = idef->getInventoryTexture(item.getDefinition(idef).name, m_gamedef);
 465         }
 466         catch(SerializationError &e)
 467         {
 468                 infostream<<"WARNING: "<<__FUNCTION_NAME
 469                                 <<": error deSerializing itemstring \""
 470                                 <<m_itemstring<<std::endl;
 471         }
 472
 473         // Set meshbuffer texture
 474         m_node->getMaterial(0).setTexture(0, texture);
 475 }
 476
 477
 478 void ItemCAO::step(float dtime, ClientEnvironment *env)
 479 {
 480         if(m_node)
 481         {
 482                 /*v3f rot = m_node->getRotation();
 483                 rot.Y += dtime * 120;
 484                 m_node->setRotation(rot);*/
 485                 LocalPlayer *player = env->getLocalPlayer();
 486                 assert(player);
 487                 v3f rot = m_node->getRotation();
 488                 rot.Y = 180.0 - (player->getYaw());
 489                 m_node->setRotation(rot);
 490         }
 491 }
 492
 493 void ItemCAO::processMessage(const std::string &data)
 494 {
 495         //infostream<<"ItemCAO: Got message"<<std::endl;
 496         std::istringstream is(data, std::ios::binary);
 497         // command
 498         u8 cmd = readU8(is);
 499         if(cmd == 0)
 500         {
 501                 // pos
 502                 m_position = readV3F1000(is);
 503                 updateNodePos();
 504         }
 505         if(cmd == 1)
 506         {
 507                 // itemstring
 508                 m_itemstring = deSerializeString(is);
 509                 updateInfoText();
 510                 updateTexture();
 511         }
 512 }
 513
 514 void ItemCAO::initialize(const std::string &data)
 515 {
 516         infostream<<"ItemCAO: Got init data"<<std::endl;
 517
 518         {
 519                 std::istringstream is(data, std::ios::binary);
 520                 // version
 521                 u8 version = readU8(is);
 522                 // check version
 523                 if(version != 0)
 524                         return;
 525                 // pos
 526                 m_position = readV3F1000(is);
 527                 // itemstring
 528                 m_itemstring = deSerializeString(is);
 529         }
 530
 531         updateNodePos();
 532         updateInfoText();
 533 }
 534
 535 /*
 536         GenericCAO
 537 */
 538
 539 #include "genericobject.h"
 540
 541 GenericCAO::GenericCAO(IGameDef *gamedef, ClientEnvironment *env):
 542                 ClientActiveObject(0, gamedef, env),
 543                 //
 544                 m_is_player(false),
 545                 m_is_local_player(false),
 546                 m_id(0),
 547                 //
 548                 m_smgr(NULL),
 549                 m_irr(NULL),
 550                 m_selection_box(-BS/3.,-BS/3.,-BS/3., BS/3.,BS/3.,BS/3.),
 551                 m_meshnode(NULL),
 552                 m_animated_meshnode(NULL),
 553                 m_spritenode(NULL),
 554                 m_textnode(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_bone_position(std::map<std::string, core::vector2d<v3f> >()),
 568                 m_attachment_bone(""),
 569                 m_attachment_position(v3f(0,0,0)),
 570                 m_attachment_rotation(v3f(0,0,0)),
 571                 m_attached_to_local(false),
 572                 m_anim_frame(0),
 573                 m_anim_num_frames(1),
 574                 m_anim_framelength(0.2),
 575                 m_anim_timer(0),
 576                 m_reset_textures_timer(-1),
 577                 m_visuals_expired(false),
 578                 m_step_distance_counter(0),
 579                 m_last_light(255),
 580                 m_is_visible(false)
 581 {
 582         if(gamedef == NULL)
 583                 ClientActiveObject::registerType(getType(), create);
 584 }
 585
 586 bool GenericCAO::getCollisionBox(aabb3f *toset)
 587 {
 588         if (m_prop.physical)
 589         {
 590                 //update collision box
 591                 toset->MinEdge = m_prop.collisionbox.MinEdge * BS;
 592                 toset->MaxEdge = m_prop.collisionbox.MaxEdge * BS;
 593
 594                 toset->MinEdge += m_position;
 595                 toset->MaxEdge += m_position;
 596
 597                 return true;
 598         }
 599
 600         return false;
 601 }
 602
 603 bool GenericCAO::collideWithObjects()
 604 {
 605         return m_prop.collideWithObjects;
 606 }
 607
 608 void GenericCAO::initialize(const std::string &data)
 609 {
 610         infostream<<"GenericCAO: Got init data"<<std::endl;
 611         std::istringstream is(data, std::ios::binary);
 612         int num_messages = 0;
 613         // version
 614         u8 version = readU8(is);
 615         // check version
 616         if(version == 1) // In PROTOCOL_VERSION 14
 617         {
 618                 m_name = deSerializeString(is);
 619                 m_is_player = readU8(is);
 620                 m_id = readS16(is);
 621                 m_position = readV3F1000(is);
 622                 m_yaw = readF1000(is);
 623                 m_hp = readS16(is);
 624                 num_messages = readU8(is);
 625         }
 626         else if(version == 0) // In PROTOCOL_VERSION 13
 627         {
 628                 m_name = deSerializeString(is);
 629                 m_is_player = readU8(is);
 630                 m_position = readV3F1000(is);
 631                 m_yaw = readF1000(is);
 632                 m_hp = readS16(is);
 633                 num_messages = readU8(is);
 634         }
 635         else
 636         {
 637                 errorstream<<"GenericCAO: Unsupported init data version"
 638                                 <<std::endl;
 639                 return;
 640         }
 641
 642         for(int i=0; i<num_messages; i++)
 643         {
 644                 std::string message = deSerializeLongString(is);
 645                 processMessage(message);
 646         }
 647
 648         pos_translator.init(m_position);
 649         updateNodePos();
 650
 651         if(m_is_player)
 652         {
 653                 Player *player = m_env->getPlayer(m_name.c_str());
 654                 if(player && player->isLocal())
 655                 {
 656                         m_is_local_player = true;
 657                         m_is_visible = false;
 658                         LocalPlayer* localplayer = dynamic_cast<LocalPlayer*>(player);
 659
 660                         assert( localplayer != NULL );
 661                         localplayer->setCAO(this);
 662                 }
 663                 m_env->addPlayerName(m_name.c_str());
 664         }
 665 }
 666
 667 GenericCAO::~GenericCAO()
 668 {
 669         if(m_is_player)
 670         {
 671                 m_env->removePlayerName(m_name.c_str());
 672         }
 673 }
 674
 675 core::aabbox3d<f32>* GenericCAO::getSelectionBox()
 676 {
 677         if(!m_prop.is_visible || !m_is_visible || m_is_local_player || getParent() != NULL)
 678                 return NULL;
 679         return &m_selection_box;
 680 }
 681
 682 v3f GenericCAO::getPosition()
 683 {
 684         if(getParent() != NULL)
 685         {
 686                 if(m_meshnode)
 687                         return m_meshnode->getAbsolutePosition();
 688                 if(m_animated_meshnode)
 689                         return m_animated_meshnode->getAbsolutePosition();
 690                 if(m_spritenode)
 691                         return m_spritenode->getAbsolutePosition();
 692                 return m_position;
 693         }
 694         return pos_translator.vect_show;
 695 }
 696
 697 scene::IMeshSceneNode* GenericCAO::getMeshSceneNode()
 698 {
 699         if(m_meshnode)
 700                 return m_meshnode;
 701         return NULL;
 702 }
 703
 704 scene::IAnimatedMeshSceneNode* GenericCAO::getAnimatedMeshSceneNode()
 705 {
 706         if(m_animated_meshnode)
 707                 return m_animated_meshnode;
 708         return NULL;
 709 }
 710
 711 scene::IBillboardSceneNode* GenericCAO::getSpriteSceneNode()
 712 {
 713         if(m_spritenode)
 714                 return m_spritenode;
 715         return NULL;
 716 }
 717
 718 void GenericCAO::setAttachments()
 719 {
 720         updateAttachments();
 721 }
 722
 723 ClientActiveObject* GenericCAO::getParent()
 724 {
 725         ClientActiveObject *obj = NULL;
 726
 727         u16 attached_id = m_env->m_attachements[getId()];
 728
 729         if ((attached_id != 0) &&
 730                         (attached_id != getId())) {
 731                 obj = m_env->getActiveObject(attached_id);
 732         }
 733         return obj;
 734 }
 735
 736 void GenericCAO::removeFromScene(bool permanent)
 737 {
 738         if(permanent) // Should be true when removing the object permanently and false when refreshing (eg: updating visuals)
 739         {
 740                 for(std::vector<u16>::iterator ci = m_children.begin();
 741                                                 ci != m_children.end(); ci++)
 742                 {
 743                         if (m_env->m_attachements[*ci] == getId()) {
 744                                 m_env->m_attachements[*ci] = 0;
 745                         }
 746                 }
 747
 748                 m_env->m_attachements[getId()] = 0;
 749         }
 750
 751         if(m_meshnode)
 752         {
 753                 m_meshnode->remove();
 754                 m_meshnode->drop();
 755                 m_meshnode = NULL;
 756         }
 757         if(m_animated_meshnode)
 758         {
 759                 m_animated_meshnode->remove();
 760                 m_animated_meshnode->drop();
 761                 m_animated_meshnode = NULL;
 762         }
 763         if(m_spritenode)
 764         {
 765                 m_spritenode->remove();
 766                 m_spritenode->drop();
 767                 m_spritenode = NULL;
 768         }
 769         if (m_textnode)
 770         {
 771                 m_textnode->remove();
 772                 m_textnode->drop();
 773                 m_textnode = NULL;
 774         }
 775 }
 776
 777 void GenericCAO::addToScene(scene::ISceneManager *smgr, ITextureSource *tsrc,
 778                 IrrlichtDevice *irr)
 779 {
 780         m_smgr = smgr;
 781         m_irr = irr;
 782
 783         if(m_meshnode != NULL || m_animated_meshnode != NULL || m_spritenode != NULL)
 784                 return;
 785
 786         m_visuals_expired = false;
 787
 788         if(!m_prop.is_visible)
 789                 return;
 790
 791         //video::IVideoDriver* driver = smgr->getVideoDriver();
 792
 793         if(m_prop.visual == "sprite")
 794         {
 795                 infostream<<"GenericCAO::addToScene(): single_sprite"<<std::endl;
 796                 m_spritenode = smgr->addBillboardSceneNode(
 797                                 NULL, v2f(1, 1), v3f(0,0,0), -1);
 798                 m_spritenode->grab();
 799                 m_spritenode->setMaterialTexture(0,
 800                                 tsrc->getTexture("unknown_node.png"));
 801                 m_spritenode->setMaterialFlag(video::EMF_LIGHTING, false);
 802                 m_spritenode->setMaterialFlag(video::EMF_BILINEAR_FILTER, false);
 803                 m_spritenode->setMaterialType(video::EMT_TRANSPARENT_ALPHA_CHANNEL_REF);
 804                 m_spritenode->setMaterialFlag(video::EMF_FOG_ENABLE, true);
 805                 u8 li = m_last_light;
 806                 m_spritenode->setColor(video::SColor(255,li,li,li));
 807                 m_spritenode->setSize(m_prop.visual_size*BS);
 808                 {
 809                         const float txs = 1.0 / 1;
 810                         const float tys = 1.0 / 1;
 811                         setBillboardTextureMatrix(m_spritenode,
 812                                         txs, tys, 0, 0);
 813                 }
 814         }
 815         else if(m_prop.visual == "upright_sprite") {
 816                 scene::SMesh *mesh = new scene::SMesh();
 817                 double dx = BS*m_prop.visual_size.X/2;
 818                 double dy = BS*m_prop.visual_size.Y/2;
 819                 { // Front
 820                 scene::IMeshBuffer *buf = new scene::SMeshBuffer();
 821                 u8 li = m_last_light;
 822                 video::SColor c(255,li,li,li);
 823                 video::S3DVertex vertices[4] =
 824                 {
 825                         video::S3DVertex(-dx,-dy,0, 0,0,0, c, 0,1),
 826                         video::S3DVertex(dx,-dy,0, 0,0,0, c, 1,1),
 827                         video::S3DVertex(dx,dy,0, 0,0,0, c, 1,0),
 828                         video::S3DVertex(-dx,dy,0, 0,0,0, c, 0,0),
 829                 };
 830                 u16 indices[] = {0,1,2,2,3,0};
 831                 buf->append(vertices, 4, indices, 6);
 832                 // Set material
 833                 buf->getMaterial().setFlag(video::EMF_LIGHTING, false);
 834                 buf->getMaterial().setFlag(video::EMF_BILINEAR_FILTER, false);
 835                 buf->getMaterial().setFlag(video::EMF_FOG_ENABLE, true);
 836                 buf->getMaterial().MaterialType = video::EMT_TRANSPARENT_ALPHA_CHANNEL;
 837                 // Add to mesh
 838                 mesh->addMeshBuffer(buf);
 839                 buf->drop();
 840                 }
 841                 { // Back
 842                 scene::IMeshBuffer *buf = new scene::SMeshBuffer();
 843                 u8 li = m_last_light;
 844                 video::SColor c(255,li,li,li);
 845                 video::S3DVertex vertices[4] =
 846                 {
 847                         video::S3DVertex(dx,-dy,0, 0,0,0, c, 1,1),
 848                         video::S3DVertex(-dx,-dy,0, 0,0,0, c, 0,1),
 849                         video::S3DVertex(-dx,dy,0, 0,0,0, c, 0,0),
 850                         video::S3DVertex(dx,dy,0, 0,0,0, c, 1,0),
 851                 };
 852                 u16 indices[] = {0,1,2,2,3,0};
 853                 buf->append(vertices, 4, indices, 6);
 854                 // Set material
 855                 buf->getMaterial().setFlag(video::EMF_LIGHTING, false);
 856                 buf->getMaterial().setFlag(video::EMF_BILINEAR_FILTER, false);
 857                 buf->getMaterial().setFlag(video::EMF_FOG_ENABLE, true);
 858                 buf->getMaterial().MaterialType = video::EMT_TRANSPARENT_ALPHA_CHANNEL_REF;
 859                 // Add to mesh
 860                 mesh->addMeshBuffer(buf);
 861                 buf->drop();
 862                 }
 863                 m_meshnode = smgr->addMeshSceneNode(mesh, NULL);
 864                 m_meshnode->grab();
 865                 mesh->drop();
 866                 // Set it to use the materials of the meshbuffers directly.
 867                 // This is needed for changing the texture in the future
 868                 m_meshnode->setReadOnlyMaterials(true);
 869         }
 870         else if(m_prop.visual == "cube") {
 871                 infostream<<"GenericCAO::addToScene(): cube"<<std::endl;
 872                 scene::IMesh *mesh = createCubeMesh(v3f(BS,BS,BS));
 873                 m_meshnode = smgr->addMeshSceneNode(mesh, NULL);
 874                 m_meshnode->grab();
 875                 mesh->drop();
 876
 877                 m_meshnode->setScale(v3f(m_prop.visual_size.X,
 878                                 m_prop.visual_size.Y,
 879                                 m_prop.visual_size.X));
 880                 u8 li = m_last_light;
 881                 setMeshColor(m_meshnode->getMesh(), video::SColor(255,li,li,li));
 882
 883                 m_meshnode->setMaterialFlag(video::EMF_LIGHTING, false);
 884                 m_meshnode->setMaterialFlag(video::EMF_BILINEAR_FILTER, false);
 885                 m_meshnode->setMaterialType(video::EMT_TRANSPARENT_ALPHA_CHANNEL_REF);
 886                 m_meshnode->setMaterialFlag(video::EMF_FOG_ENABLE, true);
 887         }
 888         else if(m_prop.visual == "mesh") {
 889                 infostream<<"GenericCAO::addToScene(): mesh"<<std::endl;
 890                 scene::IAnimatedMesh *mesh = m_gamedef->getMesh(m_prop.mesh);
 891                 if(mesh)
 892                 {
 893                         m_animated_meshnode = smgr->addAnimatedMeshSceneNode(mesh, NULL);
 894                         m_animated_meshnode->grab();
 895                         mesh->drop(); // The scene node took hold of it
 896                         m_animated_meshnode->animateJoints(); // Needed for some animations
 897                         m_animated_meshnode->setScale(v3f(m_prop.visual_size.X,
 898                                         m_prop.visual_size.Y,
 899                                         m_prop.visual_size.X));
 900                         u8 li = m_last_light;
 901                         setMeshColor(m_animated_meshnode->getMesh(), video::SColor(255,li,li,li));
 902
 903                         m_animated_meshnode->setMaterialFlag(video::EMF_LIGHTING, false);
 904                         m_animated_meshnode->setMaterialFlag(video::EMF_BILINEAR_FILTER, false);
 905                         m_animated_meshnode->setMaterialType(video::EMT_TRANSPARENT_ALPHA_CHANNEL_REF);
 906                         m_animated_meshnode->setMaterialFlag(video::EMF_FOG_ENABLE, true);
 907                 }
 908                 else
 909                         errorstream<<"GenericCAO::addToScene(): Could not load mesh "<<m_prop.mesh<<std::endl;
 910         }
 911         else if(m_prop.visual == "wielditem") {
 912                 infostream<<"GenericCAO::addToScene(): node"<<std::endl;
 913                 infostream<<"textures: "<<m_prop.textures.size()<<std::endl;
 914                 if(m_prop.textures.size() >= 1){
 915                         infostream<<"textures[0]: "<<m_prop.textures[0]<<std::endl;
 916                         IItemDefManager *idef = m_gamedef->idef();
 917                         ItemStack item(m_prop.textures[0], 1, 0, "", idef);
 918                         scene::IMesh *item_mesh = idef->getWieldMesh(item.getDefinition(idef).name, m_gamedef);
 919
 920                         // Copy mesh to be able to set unique vertex colors
 921                         scene::IMeshManipulator *manip =
 922                                         irr->getVideoDriver()->getMeshManipulator();
 923                         scene::IMesh *mesh = manip->createMeshUniquePrimitives(item_mesh);
 924
 925                         m_meshnode = smgr->addMeshSceneNode(mesh, NULL);
 926                         m_meshnode->grab();
 927                         mesh->drop();
 928
 929                         m_meshnode->setScale(v3f(m_prop.visual_size.X/2,
 930                                         m_prop.visual_size.Y/2,
 931                                         m_prop.visual_size.X/2));
 932                         u8 li = m_last_light;
 933                         setMeshColor(m_meshnode->getMesh(), video::SColor(255,li,li,li));
 934                 }
 935         } else {
 936                 infostream<<"GenericCAO::addToScene(): \""<<m_prop.visual
 937                                 <<"\" not supported"<<std::endl;
 938         }
 939         updateTextures("");
 940
 941         scene::ISceneNode *node = NULL;
 942         if(m_spritenode)
 943                 node = m_spritenode;
 944         else if(m_animated_meshnode)
 945                 node = m_animated_meshnode;
 946         else if(m_meshnode)
 947                 node = m_meshnode;
 948         if(node && m_is_player && !m_is_local_player){
 949                 // Add a text node for showing the name
 950                 gui::IGUIEnvironment* gui = irr->getGUIEnvironment();
 951                 std::wstring wname = narrow_to_wide(m_name);
 952                 m_textnode = smgr->addTextSceneNode(gui->getBuiltInFont(),
 953                                 wname.c_str(), video::SColor(255,255,255,255), node);
 954                 m_textnode->grab();
 955                 m_textnode->setPosition(v3f(0, BS*1.1, 0));
 956         }
 957
 958         updateNodePos();
 959         updateAnimation();
 960         updateBonePosition();
 961         updateAttachments();
 962 }
 963
 964 void GenericCAO::updateLight(u8 light_at_pos)
 965 {
 966         u8 li = decode_light(light_at_pos);
 967         if(li != m_last_light)
 968         {
 969                 m_last_light = li;
 970                 video::SColor color(255,li,li,li);
 971                 if(m_meshnode)
 972                         setMeshColor(m_meshnode->getMesh(), color);
 973                 if(m_animated_meshnode)
 974                         setMeshColor(m_animated_meshnode->getMesh(), color);
 975                 if(m_spritenode)
 976                         m_spritenode->setColor(color);
 977         }
 978 }
 979
 980 v3s16 GenericCAO::getLightPosition()
 981 {
 982         return floatToInt(m_position, BS);
 983 }
 984
 985 void GenericCAO::updateNodePos()
 986 {
 987         if(getParent() != NULL)
 988                 return;
 989
 990         v3s16 camera_offset = m_env->getCameraOffset();
 991         if(m_meshnode)
 992         {
 993                 m_meshnode->setPosition(pos_translator.vect_show-intToFloat(camera_offset, BS));
 994                 v3f rot = m_meshnode->getRotation();
 995                 rot.Y = -m_yaw;
 996                 m_meshnode->setRotation(rot);
 997         }
 998         if(m_animated_meshnode)
 999         {
1000                 m_animated_meshnode->setPosition(pos_translator.vect_show-intToFloat(camera_offset, BS));
1001                 v3f rot = m_animated_meshnode->getRotation();
1002                 rot.Y = -m_yaw;
1003                 m_animated_meshnode->setRotation(rot);
1004         }
1005         if(m_spritenode)
1006         {
1007                 m_spritenode->setPosition(pos_translator.vect_show-intToFloat(camera_offset, BS));
1008         }
1009 }
1010
1011 void GenericCAO::step(float dtime, ClientEnvironment *env)
1012 {
1013         // Handel model of local player instantly to prevent lags
1014         if(m_is_local_player)
1015         {
1016                 LocalPlayer *player = m_env->getLocalPlayer();
1017
1018                 if (m_is_visible)
1019                 {
1020                         int old_anim = player->last_animation;
1021                         float old_anim_speed = player->last_animation_speed;
1022                         m_position = player->getPosition() + v3f(0,BS,0);
1023                         m_velocity = v3f(0,0,0);
1024                         m_acceleration = v3f(0,0,0);
1025                         pos_translator.vect_show = m_position;
1026                         m_yaw = player->getYaw();
1027                         PlayerControl controls = player->getPlayerControl();
1028
1029                         bool walking = false;
1030                         if(controls.up || controls.down || controls.left || controls.right)
1031                                 walking = true;
1032
1033                         f32 new_speed = player->local_animation_speed;
1034                         v2s32 new_anim = v2s32(0,0);
1035                         bool allow_update = false;
1036
1037                         // increase speed if using fast or flying fast
1038                         if((g_settings->getBool("fast_move") &&
1039                                         m_gamedef->checkLocalPrivilege("fast")) &&
1040                                         (controls.aux1 ||
1041                                         (!player->touching_ground &&
1042                                         g_settings->getBool("free_move") &&
1043                                         m_gamedef->checkLocalPrivilege("fly"))))
1044                                         new_speed *= 1.5;
1045                         // slowdown speed if sneeking
1046                         if(controls.sneak && walking)
1047                                 new_speed /= 2;
1048
1049                         if(walking && (controls.LMB || controls.RMB))
1050                         {
1051                                 new_anim = player->local_animations[3];
1052                                 player->last_animation = WD_ANIM;
1053                         } else if(walking) {
1054                                 new_anim = player->local_animations[1];
1055                                 player->last_animation = WALK_ANIM;
1056                         } else if(controls.LMB || controls.RMB) {
1057                                 new_anim = player->local_animations[2];
1058                                 player->last_animation = DIG_ANIM;
1059                         }
1060
1061                         // Apply animations if input detected and not attached
1062                         // or set idle animation
1063                         if ((new_anim.X + new_anim.Y) > 0 && !player->isAttached)
1064                         {
1065                                 allow_update = true;
1066                                 m_animation_range = new_anim;
1067                                 m_animation_speed = new_speed;
1068                                 player->last_animation_speed = m_animation_speed;
1069                         } else {
1070                                 player->last_animation = NO_ANIM;
1071
1072                                 if (old_anim != NO_ANIM)
1073                                 {
1074                                         m_animation_range = player->local_animations[0];
1075                                         updateAnimation();
1076                                 }
1077                         }
1078
1079                         // Update local player animations
1080                         if ((player->last_animation != old_anim ||
1081                                 m_animation_speed != old_anim_speed) &&
1082                                 player->last_animation != NO_ANIM && allow_update)
1083                                         updateAnimation();
1084
1085                 }
1086         }
1087
1088         if(m_visuals_expired && m_smgr && m_irr){
1089                 m_visuals_expired = false;
1090
1091                 // Attachments, part 1: All attached objects must be unparented first,
1092                 // or Irrlicht causes a segmentation fault
1093                 for(std::vector<u16>::iterator ci = m_children.begin();
1094                                 ci != m_children.end();)
1095                 {
1096                         if (m_env->m_attachements[*ci] != getId()) {
1097                                 ci = m_children.erase(ci);
1098                                 continue;
1099                         }
1100                         ClientActiveObject *obj = m_env->getActiveObject(*ci);
1101                         if(obj)
1102                         {
1103                                 scene::IMeshSceneNode *m_child_meshnode
1104                                                 = obj->getMeshSceneNode();
1105                                 scene::IAnimatedMeshSceneNode *m_child_animated_meshnode
1106                                                 = obj->getAnimatedMeshSceneNode();
1107                                 scene::IBillboardSceneNode *m_child_spritenode
1108                                                 = obj->getSpriteSceneNode();
1109                                 if(m_child_meshnode)
1110                                         m_child_meshnode->setParent(m_smgr->getRootSceneNode());
1111                                 if(m_child_animated_meshnode)
1112                                         m_child_animated_meshnode->setParent(m_smgr->getRootSceneNode());
1113                                 if(m_child_spritenode)
1114                                         m_child_spritenode->setParent(m_smgr->getRootSceneNode());
1115                         }
1116                         ++ci;
1117                 }
1118
1119                 removeFromScene(false);
1120                 addToScene(m_smgr, m_gamedef->tsrc(), m_irr);
1121
1122                 // Attachments, part 2: Now that the parent has been refreshed, put its attachments back
1123                 for(std::vector<u16>::iterator ci = m_children.begin();
1124                                                 ci != m_children.end(); ci++)
1125                 {
1126                                 // Get the object of the child
1127                                 ClientActiveObject *obj = m_env->getActiveObject(*ci);
1128                                 if(obj)
1129                                         obj->setAttachments();
1130                 }
1131         }
1132
1133         // Make sure m_is_visible is always applied
1134         if(m_meshnode)
1135                 m_meshnode->setVisible(m_is_visible);
1136         if(m_animated_meshnode)
1137                 m_animated_meshnode->setVisible(m_is_visible);
1138         if(m_spritenode)
1139                 m_spritenode->setVisible(m_is_visible);
1140         if(m_textnode)
1141                 m_textnode->setVisible(m_is_visible);
1142
1143         if(getParent() != NULL) // Attachments should be glued to their parent by Irrlicht
1144         {
1145                 // Set these for later
1146                 m_position = getPosition();
1147                 m_velocity = v3f(0,0,0);
1148                 m_acceleration = v3f(0,0,0);
1149                 pos_translator.vect_show = m_position;
1150
1151                 if(m_is_local_player) // Update local player attachment position
1152                 {
1153                         LocalPlayer *player = m_env->getLocalPlayer();
1154                         player->overridePosition = getParent()->getPosition();
1155                         m_env->getLocalPlayer()->parent = getParent();
1156                 }
1157         } else {
1158                 v3f lastpos = pos_translator.vect_show;
1159
1160                 if(m_prop.physical)
1161                 {
1162                         core::aabbox3d<f32> box = m_prop.collisionbox;
1163                         box.MinEdge *= BS;
1164                         box.MaxEdge *= BS;
1165                         collisionMoveResult moveresult;
1166                         f32 pos_max_d = BS*0.125; // Distance per iteration
1167                         v3f p_pos = m_position;
1168                         v3f p_velocity = m_velocity;
1169                         v3f p_acceleration = m_acceleration;
1170                         moveresult = collisionMoveSimple(env,env->getGameDef(),
1171                                         pos_max_d, box, m_prop.stepheight, dtime,
1172                                         p_pos, p_velocity, p_acceleration,
1173                                         this, m_prop.collideWithObjects);
1174                         // Apply results
1175                         m_position = p_pos;
1176                         m_velocity = p_velocity;
1177                         m_acceleration = p_acceleration;
1178
1179                         bool is_end_position = moveresult.collides;
1180                         pos_translator.update(m_position, is_end_position, dtime);
1181                         pos_translator.translate(dtime);
1182                         updateNodePos();
1183                 } else {
1184                         m_position += dtime * m_velocity + 0.5 * dtime * dtime * m_acceleration;
1185                         m_velocity += dtime * m_acceleration;
1186                         pos_translator.update(m_position, pos_translator.aim_is_end,
1187                                         pos_translator.anim_time);
1188                         pos_translator.translate(dtime);
1189                         updateNodePos();
1190                 }
1191
1192                 float moved = lastpos.getDistanceFrom(pos_translator.vect_show);
1193                 m_step_distance_counter += moved;
1194                 if(m_step_distance_counter > 1.5*BS)
1195                 {
1196                         m_step_distance_counter = 0;
1197                         if(!m_is_local_player && m_prop.makes_footstep_sound)
1198                         {
1199                                 INodeDefManager *ndef = m_gamedef->ndef();
1200                                 v3s16 p = floatToInt(getPosition() + v3f(0,
1201                                                 (m_prop.collisionbox.MinEdge.Y-0.5)*BS, 0), BS);
1202                                 MapNode n = m_env->getMap().getNodeNoEx(p);
1203                                 SimpleSoundSpec spec = ndef->get(n).sound_footstep;
1204                                 m_gamedef->sound()->playSoundAt(spec, false, getPosition());
1205                         }
1206                 }
1207         }
1208
1209         m_anim_timer += dtime;
1210         if(m_anim_timer >= m_anim_framelength)
1211         {
1212                 m_anim_timer -= m_anim_framelength;
1213                 m_anim_frame++;
1214                 if(m_anim_frame >= m_anim_num_frames)
1215                         m_anim_frame = 0;
1216         }
1217
1218         updateTexturePos();
1219
1220         if(m_reset_textures_timer >= 0)
1221         {
1222                 m_reset_textures_timer -= dtime;
1223                 if(m_reset_textures_timer <= 0){
1224                         m_reset_textures_timer = -1;
1225                         updateTextures("");
1226                 }
1227         }
1228         if(getParent() == NULL && fabs(m_prop.automatic_rotate) > 0.001)
1229         {
1230                 m_yaw += dtime * m_prop.automatic_rotate * 180 / M_PI;
1231                 updateNodePos();
1232         }
1233
1234         if (getParent() == NULL && m_prop.automatic_face_movement_dir &&
1235                         (fabs(m_velocity.Z) > 0.001 || fabs(m_velocity.X) > 0.001))
1236         {
1237                 m_yaw = atan2(m_velocity.Z,m_velocity.X) * 180 / M_PI
1238                                 + m_prop.automatic_face_movement_dir_offset;
1239                 updateNodePos();
1240         }
1241 }
1242
1243 void GenericCAO::updateTexturePos()
1244 {
1245         if(m_spritenode)
1246         {
1247                 scene::ICameraSceneNode* camera =
1248                                 m_spritenode->getSceneManager()->getActiveCamera();
1249                 if(!camera)
1250                         return;
1251                 v3f cam_to_entity = m_spritenode->getAbsolutePosition()
1252                                 - camera->getAbsolutePosition();
1253                 cam_to_entity.normalize();
1254
1255                 int row = m_tx_basepos.Y;
1256                 int col = m_tx_basepos.X;
1257
1258                 if(m_tx_select_horiz_by_yawpitch)
1259                 {
1260                         if(cam_to_entity.Y > 0.75)
1261                                 col += 5;
1262                         else if(cam_to_entity.Y < -0.75)
1263                                 col += 4;
1264                         else{
1265                                 float mob_dir =
1266                                                 atan2(cam_to_entity.Z, cam_to_entity.X) / M_PI * 180.;
1267                                 float dir = mob_dir - m_yaw;
1268                                 dir = wrapDegrees_180(dir);
1269                                 //infostream<<"id="<<m_id<<" dir="<<dir<<std::endl;
1270                                 if(fabs(wrapDegrees_180(dir - 0)) <= 45.1)
1271                                         col += 2;
1272                                 else if(fabs(wrapDegrees_180(dir - 90)) <= 45.1)
1273                                         col += 3;
1274                                 else if(fabs(wrapDegrees_180(dir - 180)) <= 45.1)
1275                                         col += 0;
1276                                 else if(fabs(wrapDegrees_180(dir + 90)) <= 45.1)
1277                                         col += 1;
1278                                 else
1279                                         col += 4;
1280                         }
1281                 }
1282
1283                 // Animation goes downwards
1284                 row += m_anim_frame;
1285
1286                 float txs = m_tx_size.X;
1287                 float tys = m_tx_size.Y;
1288                 setBillboardTextureMatrix(m_spritenode,
1289                                 txs, tys, col, row);
1290         }
1291 }
1292
1293 void GenericCAO::updateTextures(const std::string &mod)
1294 {
1295         ITextureSource *tsrc = m_gamedef->tsrc();
1296
1297         bool use_trilinear_filter = g_settings->getBool("trilinear_filter");
1298         bool use_bilinear_filter = g_settings->getBool("bilinear_filter");
1299         bool use_anisotropic_filter = g_settings->getBool("anisotropic_filter");
1300
1301         if(m_spritenode)
1302         {
1303                 if(m_prop.visual == "sprite")
1304                 {
1305                         std::string texturestring = "unknown_node.png";
1306                         if(m_prop.textures.size() >= 1)
1307                                 texturestring = m_prop.textures[0];
1308                         texturestring += mod;
1309                         m_spritenode->setMaterialTexture(0,
1310                                         tsrc->getTexture(texturestring));
1311
1312                         // This allows setting per-material colors. However, until a real lighting
1313                         // system is added, the code below will have no effect. Once MineTest
1314                         // has directional lighting, it should work automatically.
1315                         if(m_prop.colors.size() >= 1)
1316                         {
1317                                 m_spritenode->getMaterial(0).AmbientColor = m_prop.colors[0];
1318                                 m_spritenode->getMaterial(0).DiffuseColor = m_prop.colors[0];
1319                                 m_spritenode->getMaterial(0).SpecularColor = m_prop.colors[0];
1320                         }
1321
1322                         m_spritenode->getMaterial(0).setFlag(video::EMF_TRILINEAR_FILTER, use_trilinear_filter);
1323                         m_spritenode->getMaterial(0).setFlag(video::EMF_BILINEAR_FILTER, use_bilinear_filter);
1324                         m_spritenode->getMaterial(0).setFlag(video::EMF_ANISOTROPIC_FILTER, use_anisotropic_filter);
1325                 }
1326         }
1327         if(m_animated_meshnode)
1328         {
1329                 if(m_prop.visual == "mesh")
1330                 {
1331                         for (u32 i = 0; i < m_prop.textures.size() &&
1332                                         i < m_animated_meshnode->getMaterialCount(); ++i)
1333                         {
1334                                 std::string texturestring = m_prop.textures[i];
1335                                 if(texturestring == "")
1336                                         continue; // Empty texture string means don't modify that material
1337                                 texturestring += mod;
1338                                 video::ITexture* texture = tsrc->getTexture(texturestring);
1339                                 if(!texture)
1340                                 {
1341                                         errorstream<<"GenericCAO::updateTextures(): Could not load texture "<<texturestring<<std::endl;
1342                                         continue;
1343                                 }
1344
1345                                 // Set material flags and texture
1346                                 video::SMaterial& material = m_animated_meshnode->getMaterial(i);
1347                                 material.TextureLayer[0].Texture = texture;
1348                                 material.setFlag(video::EMF_LIGHTING, false);
1349                                 material.setFlag(video::EMF_BILINEAR_FILTER, false);
1350
1351                                 m_animated_meshnode->getMaterial(i)
1352                                                 .setFlag(video::EMF_TRILINEAR_FILTER, use_trilinear_filter);
1353                                 m_animated_meshnode->getMaterial(i)
1354                                                 .setFlag(video::EMF_BILINEAR_FILTER, use_bilinear_filter);
1355                                 m_animated_meshnode->getMaterial(i)
1356                                                 .setFlag(video::EMF_ANISOTROPIC_FILTER, use_anisotropic_filter);
1357                         }
1358                         for (u32 i = 0; i < m_prop.colors.size() &&
1359                         i < m_animated_meshnode->getMaterialCount(); ++i)
1360                         {
1361                                 // This allows setting per-material colors. However, until a real lighting
1362                                 // system is added, the code below will have no effect. Once MineTest
1363                                 // has directional lighting, it should work automatically.
1364                                 m_animated_meshnode->getMaterial(i).AmbientColor = m_prop.colors[i];
1365                                 m_animated_meshnode->getMaterial(i).DiffuseColor = m_prop.colors[i];
1366                                 m_animated_meshnode->getMaterial(i).SpecularColor = m_prop.colors[i];
1367                         }
1368                 }
1369         }
1370         if(m_meshnode)
1371         {
1372                 if(m_prop.visual == "cube")
1373                 {
1374                         for (u32 i = 0; i < 6; ++i)
1375                         {
1376                                 std::string texturestring = "unknown_node.png";
1377                                 if(m_prop.textures.size() > i)
1378                                         texturestring = m_prop.textures[i];
1379                                 texturestring += mod;
1380
1381
1382                                 // Set material flags and texture
1383                                 video::SMaterial& material = m_meshnode->getMaterial(i);
1384                                 material.setFlag(video::EMF_LIGHTING, false);
1385                                 material.setFlag(video::EMF_BILINEAR_FILTER, false);
1386                                 material.setTexture(0,
1387                                                 tsrc->getTexture(texturestring));
1388                                 material.getTextureMatrix(0).makeIdentity();
1389
1390                                 // This allows setting per-material colors. However, until a real lighting
1391                                 // system is added, the code below will have no effect. Once MineTest
1392                                 // has directional lighting, it should work automatically.
1393                                 if(m_prop.colors.size() > i)
1394                                 {
1395                                         m_meshnode->getMaterial(i).AmbientColor = m_prop.colors[i];
1396                                         m_meshnode->getMaterial(i).DiffuseColor = m_prop.colors[i];
1397                                         m_meshnode->getMaterial(i).SpecularColor = m_prop.colors[i];
1398                                 }
1399
1400                                 m_meshnode->getMaterial(i).setFlag(video::EMF_TRILINEAR_FILTER, use_trilinear_filter);
1401                                 m_meshnode->getMaterial(i).setFlag(video::EMF_BILINEAR_FILTER, use_bilinear_filter);
1402                                 m_meshnode->getMaterial(i).setFlag(video::EMF_ANISOTROPIC_FILTER, use_anisotropic_filter);
1403                         }
1404                 }
1405                 else if(m_prop.visual == "upright_sprite")
1406                 {
1407                         scene::IMesh *mesh = m_meshnode->getMesh();
1408                         {
1409                                 std::string tname = "unknown_object.png";
1410                                 if(m_prop.textures.size() >= 1)
1411                                         tname = m_prop.textures[0];
1412                                 tname += mod;
1413                                 scene::IMeshBuffer *buf = mesh->getMeshBuffer(0);
1414                                 buf->getMaterial().setTexture(0,
1415                                                 tsrc->getTexture(tname));
1416
1417                                 // This allows setting per-material colors. However, until a real lighting
1418                                 // system is added, the code below will have no effect. Once MineTest
1419                                 // has directional lighting, it should work automatically.
1420                                 if(m_prop.colors.size() >= 1)
1421                                 {
1422                                         buf->getMaterial().AmbientColor = m_prop.colors[0];
1423                                         buf->getMaterial().DiffuseColor = m_prop.colors[0];
1424                                         buf->getMaterial().SpecularColor = m_prop.colors[0];
1425                                 }
1426
1427                                 buf->getMaterial().setFlag(video::EMF_TRILINEAR_FILTER, use_trilinear_filter);
1428                                 buf->getMaterial().setFlag(video::EMF_BILINEAR_FILTER, use_bilinear_filter);
1429                                 buf->getMaterial().setFlag(video::EMF_ANISOTROPIC_FILTER, use_anisotropic_filter);
1430                         }
1431                         {
1432                                 std::string tname = "unknown_object.png";
1433                                 if(m_prop.textures.size() >= 2)
1434                                         tname = m_prop.textures[1];
1435                                 else if(m_prop.textures.size() >= 1)
1436                                         tname = m_prop.textures[0];
1437                                 tname += mod;
1438                                 scene::IMeshBuffer *buf = mesh->getMeshBuffer(1);
1439                                 buf->getMaterial().setTexture(0,
1440                                                 tsrc->getTexture(tname));
1441
1442                                 // This allows setting per-material colors. However, until a real lighting
1443                                 // system is added, the code below will have no effect. Once MineTest
1444                                 // has directional lighting, it should work automatically.
1445                                 if(m_prop.colors.size() >= 2)
1446                                 {
1447                                         buf->getMaterial().AmbientColor = m_prop.colors[1];
1448                                         buf->getMaterial().DiffuseColor = m_prop.colors[1];
1449                                         buf->getMaterial().SpecularColor = m_prop.colors[1];
1450                                 }
1451                                 else if(m_prop.colors.size() >= 1)
1452                                 {
1453                                         buf->getMaterial().AmbientColor = m_prop.colors[0];
1454                                         buf->getMaterial().DiffuseColor = m_prop.colors[0];
1455                                         buf->getMaterial().SpecularColor = m_prop.colors[0];
1456                                 }
1457
1458                                 buf->getMaterial().setFlag(video::EMF_TRILINEAR_FILTER, use_trilinear_filter);
1459                                 buf->getMaterial().setFlag(video::EMF_BILINEAR_FILTER, use_bilinear_filter);
1460                                 buf->getMaterial().setFlag(video::EMF_ANISOTROPIC_FILTER, use_anisotropic_filter);
1461                         }
1462                 }
1463         }
1464 }
1465
1466 void GenericCAO::updateAnimation()
1467 {
1468         if(m_animated_meshnode == NULL)
1469                 return;
1470         m_animated_meshnode->setFrameLoop(m_animation_range.X, m_animation_range.Y);
1471         m_animated_meshnode->setAnimationSpeed(m_animation_speed);
1472         m_animated_meshnode->setTransitionTime(m_animation_blend);
1473 }
1474
1475 void GenericCAO::updateBonePosition()
1476 {
1477         if(!m_bone_position.size() || m_animated_meshnode == NULL)
1478                 return;
1479
1480         m_animated_meshnode->setJointMode(irr::scene::EJUOR_CONTROL); // To write positions to the mesh on render
1481         for(std::map<std::string,
1482                         core::vector2d<v3f> >::const_iterator ii = m_bone_position.begin();
1483                         ii != m_bone_position.end(); ++ii)
1484         {
1485                 std::string bone_name = (*ii).first;
1486                 v3f bone_pos = (*ii).second.X;
1487                 v3f bone_rot = (*ii).second.Y;
1488                 irr::scene::IBoneSceneNode* bone = m_animated_meshnode->getJointNode(bone_name.c_str());
1489                 if(bone)
1490                 {
1491                         bone->setPosition(bone_pos);
1492                         bone->setRotation(bone_rot);
1493                 }
1494         }
1495 }
1496
1497 void GenericCAO::updateAttachments()
1498 {
1499
1500         // localplayer itself can't be attached to localplayer
1501         if (!m_is_local_player)
1502         {
1503                 m_attached_to_local = getParent() != NULL && getParent()->isLocalPlayer();
1504                 // Objects attached to the local player should always be hidden
1505                 m_is_visible = !m_attached_to_local;
1506         }
1507
1508         if(getParent() == NULL || m_attached_to_local) // Detach or don't attach
1509         {
1510                 if(m_meshnode)
1511                 {
1512                         v3f old_position = m_meshnode->getAbsolutePosition();
1513                         v3f old_rotation = m_meshnode->getRotation();
1514                         m_meshnode->setParent(m_smgr->getRootSceneNode());
1515                         m_meshnode->setPosition(old_position);
1516                         m_meshnode->setRotation(old_rotation);
1517                         m_meshnode->updateAbsolutePosition();
1518                 }
1519                 if(m_animated_meshnode)
1520                 {
1521                         v3f old_position = m_animated_meshnode->getAbsolutePosition();
1522                         v3f old_rotation = m_animated_meshnode->getRotation();
1523                         m_animated_meshnode->setParent(m_smgr->getRootSceneNode());
1524                         m_animated_meshnode->setPosition(old_position);
1525                         m_animated_meshnode->setRotation(old_rotation);
1526                         m_animated_meshnode->updateAbsolutePosition();
1527                 }
1528                 if(m_spritenode)
1529                 {
1530                         v3f old_position = m_spritenode->getAbsolutePosition();
1531                         v3f old_rotation = m_spritenode->getRotation();
1532                         m_spritenode->setParent(m_smgr->getRootSceneNode());
1533                         m_spritenode->setPosition(old_position);
1534                         m_spritenode->setRotation(old_rotation);
1535                         m_spritenode->updateAbsolutePosition();
1536                 }
1537                 if(m_is_local_player)
1538                 {
1539                         LocalPlayer *player = m_env->getLocalPlayer();
1540                         player->isAttached = false;
1541                 }
1542         }
1543         else // Attach
1544         {
1545                 scene::IMeshSceneNode *parent_mesh = NULL;
1546                 if(getParent()->getMeshSceneNode())
1547                         parent_mesh = getParent()->getMeshSceneNode();
1548                 scene::IAnimatedMeshSceneNode *parent_animated_mesh = NULL;
1549                 if(getParent()->getAnimatedMeshSceneNode())
1550                         parent_animated_mesh = getParent()->getAnimatedMeshSceneNode();
1551                 scene::IBillboardSceneNode *parent_sprite = NULL;
1552                 if(getParent()->getSpriteSceneNode())
1553                         parent_sprite = getParent()->getSpriteSceneNode();
1554
1555                 scene::IBoneSceneNode *parent_bone = NULL;
1556                 if(parent_animated_mesh && m_attachment_bone != "")
1557                 {
1558                         parent_bone =
1559                                         parent_animated_mesh->getJointNode(m_attachment_bone.c_str());
1560                 }
1561                 // The spaghetti code below makes sure attaching works if either the
1562                 // parent or child is a spritenode, meshnode, or animatedmeshnode
1563                 // TODO: Perhaps use polymorphism here to save code duplication
1564                 if(m_meshnode)
1565                 {
1566                         if(parent_bone)
1567                         {
1568                                 m_meshnode->setParent(parent_bone);
1569                                 m_meshnode->setPosition(m_attachment_position);
1570                                 m_meshnode->setRotation(m_attachment_rotation);
1571                                 m_meshnode->updateAbsolutePosition();
1572                         }
1573                         else
1574                         {
1575                                 if(parent_mesh)
1576                                 {
1577                                         m_meshnode->setParent(parent_mesh);
1578                                         m_meshnode->setPosition(m_attachment_position);
1579                                         m_meshnode->setRotation(m_attachment_rotation);
1580                                         m_meshnode->updateAbsolutePosition();
1581                                 }
1582                                 else if(parent_animated_mesh) {
1583                                         m_meshnode->setParent(parent_animated_mesh);
1584                                         m_meshnode->setPosition(m_attachment_position);
1585                                         m_meshnode->setRotation(m_attachment_rotation);
1586                                         m_meshnode->updateAbsolutePosition();
1587                                 }
1588                                 else if(parent_sprite) {
1589                                         m_meshnode->setParent(parent_sprite);
1590                                         m_meshnode->setPosition(m_attachment_position);
1591                                         m_meshnode->setRotation(m_attachment_rotation);
1592                                         m_meshnode->updateAbsolutePosition();
1593                                 }
1594                         }
1595                 }
1596                 if(m_animated_meshnode)
1597                 {
1598                         if(parent_bone)
1599                         {
1600                                 m_animated_meshnode->setParent(parent_bone);
1601                                 m_animated_meshnode->setPosition(m_attachment_position);
1602                                 m_animated_meshnode->setRotation(m_attachment_rotation);
1603                                 m_animated_meshnode->updateAbsolutePosition();
1604                         }
1605                         else
1606                         {
1607                                 if(parent_mesh)
1608                                 {
1609                                         m_animated_meshnode->setParent(parent_mesh);
1610                                         m_animated_meshnode->setPosition(m_attachment_position);
1611                                         m_animated_meshnode->setRotation(m_attachment_rotation);
1612                                         m_animated_meshnode->updateAbsolutePosition();
1613                                 } else if(parent_animated_mesh) {
1614                                         m_animated_meshnode->setParent(parent_animated_mesh);
1615                                         m_animated_meshnode->setPosition(m_attachment_position);
1616                                         m_animated_meshnode->setRotation(m_attachment_rotation);
1617                                         m_animated_meshnode->updateAbsolutePosition();
1618                                 } else if(parent_sprite) {
1619                                         m_animated_meshnode->setParent(parent_sprite);
1620                                         m_animated_meshnode->setPosition(m_attachment_position);
1621                                         m_animated_meshnode->setRotation(m_attachment_rotation);
1622                                         m_animated_meshnode->updateAbsolutePosition();
1623                                 }
1624                         }
1625                 }
1626                 if(m_spritenode)
1627                 {
1628                         if(parent_bone)
1629                         {
1630                                 m_spritenode->setParent(parent_bone);
1631                                 m_spritenode->setPosition(m_attachment_position);
1632                                 m_spritenode->setRotation(m_attachment_rotation);
1633                                 m_spritenode->updateAbsolutePosition();
1634                         } else {
1635                                 if(parent_mesh)
1636                                 {
1637                                         m_spritenode->setParent(parent_mesh);
1638                                         m_spritenode->setPosition(m_attachment_position);
1639                                         m_spritenode->setRotation(m_attachment_rotation);
1640                                         m_spritenode->updateAbsolutePosition();
1641                                 }
1642                                 else if(parent_animated_mesh) {
1643                                         m_spritenode->setParent(parent_animated_mesh);
1644                                         m_spritenode->setPosition(m_attachment_position);
1645                                         m_spritenode->setRotation(m_attachment_rotation);
1646                                         m_spritenode->updateAbsolutePosition();
1647                                 }
1648                                 else if(parent_sprite) {
1649                                         m_spritenode->setParent(parent_sprite);
1650                                         m_spritenode->setPosition(m_attachment_position);
1651                                         m_spritenode->setRotation(m_attachment_rotation);
1652                                         m_spritenode->updateAbsolutePosition();
1653                                 }
1654                         }
1655                 }
1656                 if(m_is_local_player)
1657                 {
1658                         LocalPlayer *player = m_env->getLocalPlayer();
1659                         player->isAttached = true;
1660                 }
1661         }
1662 }
1663
1664 void GenericCAO::processMessage(const std::string &data)
1665 {
1666         //infostream<<"GenericCAO: Got message"<<std::endl;
1667         std::istringstream is(data, std::ios::binary);
1668         // command
1669         u8 cmd = readU8(is);
1670         if(cmd == GENERIC_CMD_SET_PROPERTIES)
1671         {
1672                 m_prop = gob_read_set_properties(is);
1673
1674                 m_selection_box = m_prop.collisionbox;
1675                 m_selection_box.MinEdge *= BS;
1676                 m_selection_box.MaxEdge *= BS;
1677
1678                 m_tx_size.X = 1.0 / m_prop.spritediv.X;
1679                 m_tx_size.Y = 1.0 / m_prop.spritediv.Y;
1680
1681                 if(!m_initial_tx_basepos_set){
1682                         m_initial_tx_basepos_set = true;
1683                         m_tx_basepos = m_prop.initial_sprite_basepos;
1684                 }
1685
1686                 expireVisuals();
1687         }
1688         else if(cmd == GENERIC_CMD_UPDATE_POSITION)
1689         {
1690                 // Not sent by the server if this object is an attachment.
1691                 // We might however get here if the server notices the object being detached before the client.
1692                 m_position = readV3F1000(is);
1693                 m_velocity = readV3F1000(is);
1694                 m_acceleration = readV3F1000(is);
1695                 if(fabs(m_prop.automatic_rotate) < 0.001)
1696                         m_yaw = readF1000(is);
1697                 else
1698                         readF1000(is);
1699                 bool do_interpolate = readU8(is);
1700                 bool is_end_position = readU8(is);
1701                 float update_interval = readF1000(is);
1702
1703                 // Place us a bit higher if we're physical, to not sink into
1704                 // the ground due to sucky collision detection...
1705                 if(m_prop.physical)
1706                         m_position += v3f(0,0.002,0);
1707
1708                 if(getParent() != NULL) // Just in case
1709                         return;
1710
1711                 if(do_interpolate)
1712                 {
1713                         if(!m_prop.physical)
1714                                 pos_translator.update(m_position, is_end_position, update_interval);
1715                 } else {
1716                         pos_translator.init(m_position);
1717                 }
1718                 updateNodePos();
1719         }
1720         else if(cmd == GENERIC_CMD_SET_TEXTURE_MOD) {
1721                 std::string mod = deSerializeString(is);
1722                 updateTextures(mod);
1723         }
1724         else if(cmd == GENERIC_CMD_SET_SPRITE) {
1725                 v2s16 p = readV2S16(is);
1726                 int num_frames = readU16(is);
1727                 float framelength = readF1000(is);
1728                 bool select_horiz_by_yawpitch = readU8(is);
1729
1730                 m_tx_basepos = p;
1731                 m_anim_num_frames = num_frames;
1732                 m_anim_framelength = framelength;
1733                 m_tx_select_horiz_by_yawpitch = select_horiz_by_yawpitch;
1734
1735                 updateTexturePos();
1736         }
1737         else if(cmd == GENERIC_CMD_SET_PHYSICS_OVERRIDE) {
1738                 float override_speed = readF1000(is);
1739                 float override_jump = readF1000(is);
1740                 float override_gravity = readF1000(is);
1741                 // these are sent inverted so we get true when the server sends nothing
1742                 bool sneak = !readU8(is);
1743                 bool sneak_glitch = !readU8(is);
1744
1745
1746                 if(m_is_local_player)
1747                 {
1748                         LocalPlayer *player = m_env->getLocalPlayer();
1749                         player->physics_override_speed = override_speed;
1750                         player->physics_override_jump = override_jump;
1751                         player->physics_override_gravity = override_gravity;
1752                         player->physics_override_sneak = sneak;
1753                         player->physics_override_sneak_glitch = sneak_glitch;
1754                 }
1755         }
1756         else if(cmd == GENERIC_CMD_SET_ANIMATION) {
1757                 // TODO: change frames send as v2s32 value
1758                 v2f range = readV2F1000(is);
1759                 if (!m_is_local_player) {
1760                         m_animation_range = v2s32((s32)range.X, (s32)range.Y);
1761                         m_animation_speed = readF1000(is);
1762                         m_animation_blend = readF1000(is);
1763                         updateAnimation();
1764                 } else {
1765                         LocalPlayer *player = m_env->getLocalPlayer();
1766                         if(player->last_animation == NO_ANIM)
1767                         {
1768                                 m_animation_range = v2s32((s32)range.X, (s32)range.Y);
1769                                 m_animation_speed = readF1000(is);
1770                                 m_animation_blend = readF1000(is);
1771                         }
1772                         // update animation only if local animations present
1773                         // and received animation is unknown (except idle animation)
1774                         bool is_known = false;
1775                         for (int i = 1;i<4;i++)
1776                         {
1777                                 if(m_animation_range.Y == player->local_animations[i].Y)
1778                                         is_known = true;
1779                         }
1780                         if(!is_known ||
1781                                         (player->local_animations[1].Y + player->local_animations[2].Y < 1))
1782                         {
1783                                         updateAnimation();
1784                         }
1785                 }
1786         }
1787         else if(cmd == GENERIC_CMD_SET_BONE_POSITION) {
1788                 std::string bone = deSerializeString(is);
1789                 v3f position = readV3F1000(is);
1790                 v3f rotation = readV3F1000(is);
1791                 m_bone_position[bone] = core::vector2d<v3f>(position, rotation);
1792
1793                 updateBonePosition();
1794         }
1795         else if(cmd == GENERIC_CMD_SET_ATTACHMENT) {
1796                 m_env->m_attachements[getId()] = readS16(is);
1797                 m_children.push_back(m_env->m_attachements[getId()]);
1798                 m_attachment_bone = deSerializeString(is);
1799                 m_attachment_position = readV3F1000(is);
1800                 m_attachment_rotation = readV3F1000(is);
1801
1802                 updateAttachments();
1803         }
1804         else if(cmd == GENERIC_CMD_PUNCHED) {
1805                 /*s16 damage =*/ readS16(is);
1806                 s16 result_hp = readS16(is);
1807
1808                 // Use this instead of the send damage to not interfere with prediction
1809                 s16 damage = m_hp - result_hp;
1810
1811                 m_hp = result_hp;
1812
1813                 if (damage > 0)
1814                 {
1815                         if (m_hp <= 0)
1816                         {
1817                                 // TODO: Execute defined fast response
1818                                 // As there is no definition, make a smoke puff
1819                                 ClientSimpleObject *simple = createSmokePuff(
1820                                                 m_smgr, m_env, m_position,
1821                                                 m_prop.visual_size * BS);
1822                                 m_env->addSimpleObject(simple);
1823                         } else {
1824                                 // TODO: Execute defined fast response
1825                                 // Flashing shall suffice as there is no definition
1826                                 m_reset_textures_timer = 0.05;
1827                                 if(damage >= 2)
1828                                         m_reset_textures_timer += 0.05 * damage;
1829                                 updateTextures("^[brighten");
1830                         }
1831                 }
1832         }
1833         else if(cmd == GENERIC_CMD_UPDATE_ARMOR_GROUPS) {
1834                 m_armor_groups.clear();
1835                 int armor_groups_size = readU16(is);
1836                 for(int i=0; i<armor_groups_size; i++)
1837                 {
1838                         std::string name = deSerializeString(is);
1839                         int rating = readS16(is);
1840                         m_armor_groups[name] = rating;
1841                 }
1842         }
1843 }
1844
1845 bool GenericCAO::directReportPunch(v3f dir, const ItemStack *punchitem,
1846                 float time_from_last_punch)
1847 {
1848         assert(punchitem);
1849         const ToolCapabilities *toolcap =
1850                         &punchitem->getToolCapabilities(m_gamedef->idef());
1851         PunchDamageResult result = getPunchDamage(
1852                         m_armor_groups,
1853                         toolcap,
1854                         punchitem,
1855                         time_from_last_punch);
1856
1857         if(result.did_punch && result.damage != 0)
1858         {
1859                 if(result.damage < m_hp)
1860                 {
1861                         m_hp -= result.damage;
1862                 } else {
1863                         m_hp = 0;
1864                         // TODO: Execute defined fast response
1865                         // As there is no definition, make a smoke puff
1866                         ClientSimpleObject *simple = createSmokePuff(
1867                                         m_smgr, m_env, m_position,
1868                                         m_prop.visual_size * BS);
1869                         m_env->addSimpleObject(simple);
1870                 }
1871                 // TODO: Execute defined fast response
1872                 // Flashing shall suffice as there is no definition
1873                 m_reset_textures_timer = 0.05;
1874                 if(result.damage >= 2)
1875                         m_reset_textures_timer += 0.05 * result.damage;
1876                 updateTextures("^[brighten");
1877         }
1878
1879         return false;
1880 }
1881
1882 std::string GenericCAO::debugInfoText()
1883 {
1884         std::ostringstream os(std::ios::binary);
1885         os<<"GenericCAO hp="<<m_hp<<"\n";
1886         os<<"armor={";
1887         for(ItemGroupList::const_iterator i = m_armor_groups.begin();
1888                         i != m_armor_groups.end(); i++)
1889         {
1890                 os<<i->first<<"="<<i->second<<", ";
1891         }
1892         os<<"}";
1893         return os.str();
1894 }
1895
1896 // Prototype
1897 GenericCAO proto_GenericCAO(NULL, NULL);