src/content_cao.cpp

   1 /*
   2 Minetest
   3 Copyright (C) 2010-2013 celeron55, Perttu Ahola <celeron55@gmail.com>
   4
   5 This program is free software; you can redistribute it and/or modify
   6 it under the terms of the GNU Lesser General Public License as published by
   7 the Free Software Foundation; either version 2.1 of the License, or
   8 (at your option) any later version.
   9
  10 This program is distributed in the hope that it will be useful,
  11 but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13 GNU Lesser General Public License for more details.
  14
  15 You should have received a copy of the GNU Lesser General Public License along
  16 with this program; if not, write to the Free Software Foundation, Inc.,
  17 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  18 */
  19
  20 #include <ICameraSceneNode.h>
  21 #include <ITextSceneNode.h>
  22 #include <IBillboardSceneNode.h>
  23 #include <IMeshManipulator.h>
  24 #include <IAnimatedMeshSceneNode.h>
  25 #include <IBoneSceneNode.h>
  26 #include "content_cao.h"
  27 #include "util/numeric.h" // For IntervalLimiter
  28 #include "util/serialize.h"
  29 #include "util/basic_macros.h"
  30 #include "client/tile.h"
  31 #include "environment.h"
  32 #include "collision.h"
  33 #include "settings.h"
  34 #include "serialization.h" // For decompressZlib
  35 #include "clientobject.h"
  36 #include "mesh.h"
  37 #include "itemdef.h"
  38 #include "tool.h"
  39 #include "content_cso.h"
  40 #include "sound.h"
  41 #include "nodedef.h"
  42 #include "localplayer.h"
  43 #include "map.h"
  44 #include "camera.h" // CameraModes
  45 #include "wieldmesh.h"
  46 #include "log.h"
  47 #include <algorithm>
  48
  49 class Settings;
  50 struct ToolCapabilities;
  51
  52 std::unordered_map<u16, ClientActiveObject::Factory> ClientActiveObject::m_types;
  53
  54 SmoothTranslator::SmoothTranslator():
  55         vect_old(0,0,0),
  56         vect_show(0,0,0),
  57         vect_aim(0,0,0),
  58         anim_counter(0),
  59         anim_time(0),
  60         anim_time_counter(0),
  61         aim_is_end(true)
  62 {}
  63
  64 void SmoothTranslator::init(v3f vect)
  65 {
  66         vect_old = vect;
  67         vect_show = vect;
  68         vect_aim = vect;
  69         anim_counter = 0;
  70         anim_time = 0;
  71         anim_time_counter = 0;
  72         aim_is_end = true;
  73 }
  74
  75 void SmoothTranslator::sharpen()
  76 {
  77         init(vect_show);
  78 }
  79
  80 void SmoothTranslator::update(v3f vect_new, bool is_end_position, float update_interval)
  81 {
  82         aim_is_end = is_end_position;
  83         vect_old = vect_show;
  84         vect_aim = vect_new;
  85         if(update_interval > 0)
  86         {
  87                 anim_time = update_interval;
  88         } else {
  89                 if(anim_time < 0.001 || anim_time > 1.0)
  90                         anim_time = anim_time_counter;
  91                 else
  92                         anim_time = anim_time * 0.9 + anim_time_counter * 0.1;
  93         }
  94         anim_time_counter = 0;
  95         anim_counter = 0;
  96 }
  97
  98 void SmoothTranslator::translate(f32 dtime)
  99 {
 100         anim_time_counter = anim_time_counter + dtime;
 101         anim_counter = anim_counter + dtime;
 102         v3f vect_move = vect_aim - vect_old;
 103         f32 moveratio = 1.0;
 104         if(anim_time > 0.001)
 105                 moveratio = anim_time_counter / anim_time;
 106         // Move a bit less than should, to avoid oscillation
 107         moveratio = moveratio * 0.8;
 108         float move_end = 1.5;
 109         if(aim_is_end)
 110                 move_end = 1.0;
 111         if(moveratio > move_end)
 112                 moveratio = move_end;
 113         vect_show = vect_old + vect_move * moveratio;
 114 }
 115
 116 bool SmoothTranslator::is_moving()
 117 {
 118         return ((anim_time_counter / anim_time) < 1.4);
 119 }
 120
 121 /*
 122         Other stuff
 123 */
 124
 125 static void setBillboardTextureMatrix(scene::IBillboardSceneNode *bill,
 126                 float txs, float tys, int col, int row)
 127 {
 128         video::SMaterial& material = bill->getMaterial(0);
 129         core::matrix4& matrix = material.getTextureMatrix(0);
 130         matrix.setTextureTranslate(txs*col, tys*row);
 131         matrix.setTextureScale(txs, tys);
 132 }
 133
 134 /*
 135         TestCAO
 136 */
 137
 138 class TestCAO : public ClientActiveObject
 139 {
 140 public:
 141         TestCAO(Client *client, ClientEnvironment *env);
 142         virtual ~TestCAO();
 143
 144         ActiveObjectType getType() const
 145         {
 146                 return ACTIVEOBJECT_TYPE_TEST;
 147         }
 148
 149         static ClientActiveObject* create(Client *client, ClientEnvironment *env);
 150
 151         void addToScene(scene::ISceneManager *smgr, ITextureSource *tsrc,
 152                         IrrlichtDevice *irr);
 153         void removeFromScene(bool permanent);
 154         void updateLight(u8 light_at_pos);
 155         v3s16 getLightPosition();
 156         void updateNodePos();
 157
 158         void step(float dtime, ClientEnvironment *env);
 159
 160         void processMessage(const std::string &data);
 161
 162         bool getCollisionBox(aabb3f *toset) const { return false; }
 163 private:
 164         scene::IMeshSceneNode *m_node;
 165         v3f m_position;
 166 };
 167
 168 // Prototype
 169 TestCAO proto_TestCAO(NULL, NULL);
 170
 171 TestCAO::TestCAO(Client *client, ClientEnvironment *env):
 172         ClientActiveObject(0, client, env),
 173         m_node(NULL),
 174         m_position(v3f(0,10*BS,0))
 175 {
 176         ClientActiveObject::registerType(getType(), create);
 177 }
 178
 179 TestCAO::~TestCAO()
 180 {
 181 }
 182
 183 ClientActiveObject* TestCAO::create(Client *client, ClientEnvironment *env)
 184 {
 185         return new TestCAO(client, env);
 186 }
 187
 188 void TestCAO::addToScene(scene::ISceneManager *smgr, ITextureSource *tsrc,
 189                         IrrlichtDevice *irr)
 190 {
 191         if(m_node != NULL)
 192                 return;
 193
 194         //video::IVideoDriver* driver = smgr->getVideoDriver();
 195
 196         scene::SMesh *mesh = new scene::SMesh();
 197         scene::IMeshBuffer *buf = new scene::SMeshBuffer();
 198         video::SColor c(255,255,255,255);
 199         video::S3DVertex vertices[4] =
 200         {
 201                 video::S3DVertex(-BS/2,-BS/4,0, 0,0,0, c, 0,1),
 202                 video::S3DVertex(BS/2,-BS/4,0, 0,0,0, c, 1,1),
 203                 video::S3DVertex(BS/2,BS/4,0, 0,0,0, c, 1,0),
 204                 video::S3DVertex(-BS/2,BS/4,0, 0,0,0, c, 0,0),
 205         };
 206         u16 indices[] = {0,1,2,2,3,0};
 207         buf->append(vertices, 4, indices, 6);
 208         // Set material
 209         buf->getMaterial().setFlag(video::EMF_LIGHTING, false);
 210         buf->getMaterial().setFlag(video::EMF_BACK_FACE_CULLING, false);
 211         buf->getMaterial().setTexture(0, tsrc->getTextureForMesh("rat.png"));
 212         buf->getMaterial().setFlag(video::EMF_BILINEAR_FILTER, false);
 213         buf->getMaterial().setFlag(video::EMF_FOG_ENABLE, true);
 214         buf->getMaterial().MaterialType = video::EMT_TRANSPARENT_ALPHA_CHANNEL;
 215         // Add to mesh
 216         mesh->addMeshBuffer(buf);
 217         buf->drop();
 218         m_node = smgr->addMeshSceneNode(mesh, NULL);
 219         mesh->drop();
 220         updateNodePos();
 221 }
 222
 223 void TestCAO::removeFromScene(bool permanent)
 224 {
 225         if(m_node == NULL)
 226                 return;
 227
 228         m_node->remove();
 229         m_node = NULL;
 230 }
 231
 232 void TestCAO::updateLight(u8 light_at_pos)
 233 {
 234 }
 235
 236 v3s16 TestCAO::getLightPosition()
 237 {
 238         return floatToInt(m_position, BS);
 239 }
 240
 241 void TestCAO::updateNodePos()
 242 {
 243         if(m_node == NULL)
 244                 return;
 245
 246         m_node->setPosition(m_position);
 247         //m_node->setRotation(v3f(0, 45, 0));
 248 }
 249
 250 void TestCAO::step(float dtime, ClientEnvironment *env)
 251 {
 252         if(m_node)
 253         {
 254                 v3f rot = m_node->getRotation();
 255                 //infostream<<"dtime="<<dtime<<", rot.Y="<<rot.Y<<std::endl;
 256                 rot.Y += dtime * 180;
 257                 m_node->setRotation(rot);
 258         }
 259 }
 260
 261 void TestCAO::processMessage(const std::string &data)
 262 {
 263         infostream<<"TestCAO: Got data: "<<data<<std::endl;
 264         std::istringstream is(data, std::ios::binary);
 265         u16 cmd;
 266         is>>cmd;
 267         if(cmd == 0)
 268         {
 269                 v3f newpos;
 270                 is>>newpos.X;
 271                 is>>newpos.Y;
 272                 is>>newpos.Z;
 273                 m_position = newpos;
 274                 updateNodePos();
 275         }
 276 }
 277
 278 /*
 279         ItemCAO
 280 */
 281
 282 class ItemCAO : public ClientActiveObject
 283 {
 284 public:
 285         ItemCAO(Client *client, ClientEnvironment *env);
 286         virtual ~ItemCAO();
 287
 288         ActiveObjectType getType() const
 289         {
 290                 return ACTIVEOBJECT_TYPE_ITEM;
 291         }
 292
 293         static ClientActiveObject* create(Client *client, ClientEnvironment *env);
 294
 295         void addToScene(scene::ISceneManager *smgr, ITextureSource *tsrc,
 296                         IrrlichtDevice *irr);
 297         void removeFromScene(bool permanent);
 298         void updateLight(u8 light_at_pos);
 299         v3s16 getLightPosition();
 300         void updateNodePos();
 301         void updateInfoText();
 302         void updateTexture();
 303
 304         void step(float dtime, ClientEnvironment *env);
 305
 306         void processMessage(const std::string &data);
 307
 308         void initialize(const std::string &data);
 309
 310         aabb3f *getSelectionBox()
 311                 {return &m_selection_box;}
 312         v3f getPosition()
 313                 {return m_position;}
 314         inline float getYaw() const
 315                 {return 0;}
 316         std::string infoText()
 317                 {return m_infotext;}
 318
 319         bool getCollisionBox(aabb3f *toset) const { return false; }
 320 private:
 321         aabb3f m_selection_box;
 322         scene::IMeshSceneNode *m_node;
 323         v3f m_position;
 324         std::string m_itemstring;
 325         std::string m_infotext;
 326 };
 327
 328 #include "inventory.h"
 329
 330 // Prototype
 331 ItemCAO proto_ItemCAO(NULL, NULL);
 332
 333 ItemCAO::ItemCAO(Client *client, ClientEnvironment *env):
 334         ClientActiveObject(0, client, env),
 335         m_selection_box(-BS/3.,0.0,-BS/3., BS/3.,BS*2./3.,BS/3.),
 336         m_node(NULL),
 337         m_position(v3f(0,10*BS,0))
 338 {
 339         if(!client && !env)
 340         {
 341                 ClientActiveObject::registerType(getType(), create);
 342         }
 343 }
 344
 345 ItemCAO::~ItemCAO()
 346 {
 347 }
 348
 349 ClientActiveObject* ItemCAO::create(Client *client, ClientEnvironment *env)
 350 {
 351         return new ItemCAO(client, env);
 352 }
 353
 354 void ItemCAO::addToScene(scene::ISceneManager *smgr, ITextureSource *tsrc,
 355                         IrrlichtDevice *irr)
 356 {
 357         if(m_node != NULL)
 358                 return;
 359
 360         //video::IVideoDriver* driver = smgr->getVideoDriver();
 361
 362         scene::SMesh *mesh = new scene::SMesh();
 363         scene::IMeshBuffer *buf = new scene::SMeshBuffer();
 364         video::SColor c(255,255,255,255);
 365         video::S3DVertex vertices[4] =
 366         {
 367                 /*video::S3DVertex(-BS/2,-BS/4,0, 0,0,0, c, 0,1),
 368                 video::S3DVertex(BS/2,-BS/4,0, 0,0,0, c, 1,1),
 369                 video::S3DVertex(BS/2,BS/4,0, 0,0,0, c, 1,0),
 370                 video::S3DVertex(-BS/2,BS/4,0, 0,0,0, c, 0,0),*/
 371                 video::S3DVertex(BS/3.,0,0, 0,0,0, c, 0,1),
 372                 video::S3DVertex(-BS/3.,0,0, 0,0,0, c, 1,1),
 373                 video::S3DVertex(-BS/3.,0+BS*2./3.,0, 0,0,0, c, 1,0),
 374                 video::S3DVertex(BS/3.,0+BS*2./3.,0, 0,0,0, c, 0,0),
 375         };
 376         u16 indices[] = {0,1,2,2,3,0};
 377         buf->append(vertices, 4, indices, 6);
 378         // Set material
 379         buf->getMaterial().setFlag(video::EMF_LIGHTING, false);
 380         buf->getMaterial().setFlag(video::EMF_BACK_FACE_CULLING, false);
 381         // Initialize with a generated placeholder texture
 382         buf->getMaterial().setTexture(0, tsrc->getTexture(""));
 383         buf->getMaterial().setFlag(video::EMF_BILINEAR_FILTER, false);
 384         buf->getMaterial().setFlag(video::EMF_FOG_ENABLE, true);
 385         buf->getMaterial().MaterialType = video::EMT_TRANSPARENT_ALPHA_CHANNEL;
 386         // Add to mesh
 387         mesh->addMeshBuffer(buf);
 388         buf->drop();
 389         m_node = smgr->addMeshSceneNode(mesh, NULL);
 390         mesh->drop();
 391         updateNodePos();
 392
 393         /*
 394                 Update image of node
 395         */
 396
 397         updateTexture();
 398 }
 399
 400 void ItemCAO::removeFromScene(bool permanent)
 401 {
 402         if(m_node == NULL)
 403                 return;
 404
 405         m_node->remove();
 406         m_node = NULL;
 407 }
 408
 409 void ItemCAO::updateLight(u8 light_at_pos)
 410 {
 411         if(m_node == NULL)
 412                 return;
 413
 414         u8 li = decode_light(light_at_pos);
 415         video::SColor color(255,li,li,li);
 416         setMeshColor(m_node->getMesh(), color);
 417 }
 418
 419 v3s16 ItemCAO::getLightPosition()
 420 {
 421         return floatToInt(m_position + v3f(0,0.5*BS,0), BS);
 422 }
 423
 424 void ItemCAO::updateNodePos()
 425 {
 426         if(m_node == NULL)
 427                 return;
 428
 429         m_node->setPosition(m_position);
 430 }
 431
 432 void ItemCAO::updateInfoText()
 433 {
 434         try{
 435                 IItemDefManager *idef = m_client->idef();
 436                 ItemStack item;
 437                 item.deSerialize(m_itemstring, idef);
 438                 if(item.isKnown(idef))
 439                         m_infotext = item.getDefinition(idef).description;
 440                 else
 441                         m_infotext = "Unknown item: '" + m_itemstring + "'";
 442                 if(item.count >= 2)
 443                         m_infotext += " (" + itos(item.count) + ")";
 444         }
 445         catch(SerializationError &e)
 446         {
 447                 m_infotext = "Unknown item: '" + m_itemstring + "'";
 448         }
 449 }
 450
 451 void ItemCAO::updateTexture()
 452 {
 453         if(m_node == NULL)
 454                 return;
 455
 456         // Create an inventory item to see what is its image
 457         std::istringstream is(m_itemstring, std::ios_base::binary);
 458         video::ITexture *texture = NULL;
 459         try{
 460                 IItemDefManager *idef = m_client->idef();
 461                 ItemStack item;
 462                 item.deSerialize(is, idef);
 463                 texture = idef->getInventoryTexture(item.getDefinition(idef).name, m_client);
 464         }
 465         catch(SerializationError &e)
 466         {
 467                 warningstream<<FUNCTION_NAME
 468                                 <<": error deSerializing itemstring \""
 469                                 <<m_itemstring<<std::endl;
 470         }
 471
 472         // Set meshbuffer texture
 473         m_node->getMaterial(0).setTexture(0, texture);
 474 }
 475
 476
 477 void ItemCAO::step(float dtime, ClientEnvironment *env)
 478 {
 479         if(m_node)
 480         {
 481                 /*v3f rot = m_node->getRotation();
 482                 rot.Y += dtime * 120;
 483                 m_node->setRotation(rot);*/
 484                 LocalPlayer *player = env->getLocalPlayer();
 485                 assert(player);
 486                 v3f rot = m_node->getRotation();
 487                 rot.Y = 180.0 - (player->getYaw());
 488                 m_node->setRotation(rot);
 489         }
 490 }
 491
 492 void ItemCAO::processMessage(const std::string &data)
 493 {
 494         //infostream<<"ItemCAO: Got message"<<std::endl;
 495         std::istringstream is(data, std::ios::binary);
 496         // command
 497         u8 cmd = readU8(is);
 498         if(cmd == 0)
 499         {
 500                 // pos
 501                 m_position = readV3F1000(is);
 502                 updateNodePos();
 503         }
 504         if(cmd == 1)
 505         {
 506                 // itemstring
 507                 m_itemstring = deSerializeString(is);
 508                 updateInfoText();
 509                 updateTexture();
 510         }
 511 }
 512
 513 void ItemCAO::initialize(const std::string &data)
 514 {
 515         infostream<<"ItemCAO: Got init data"<<std::endl;
 516
 517         {
 518                 std::istringstream is(data, std::ios::binary);
 519                 // version
 520                 u8 version = readU8(is);
 521                 // check version
 522                 if(version != 0)
 523                         return;
 524                 // pos
 525                 m_position = readV3F1000(is);
 526                 // itemstring
 527                 m_itemstring = deSerializeString(is);
 528         }
 529
 530         updateNodePos();
 531         updateInfoText();
 532 }
 533
 534 /*
 535         GenericCAO
 536 */
 537
 538 #include "genericobject.h"
 539
 540 GenericCAO::GenericCAO(Client *client, ClientEnvironment *env):
 541                 ClientActiveObject(0, client, env),
 542                 //
 543                 m_is_player(false),
 544                 m_is_local_player(false),
 545                 //
 546                 m_smgr(NULL),
 547                 m_irr(NULL),
 548                 m_client(NULL),
 549                 m_selection_box(-BS/3.,-BS/3.,-BS/3., BS/3.,BS/3.,BS/3.),
 550                 m_meshnode(NULL),
 551                 m_animated_meshnode(NULL),
 552                 m_wield_meshnode(NULL),
 553                 m_spritenode(NULL),
 554                 m_nametag(NULL),
 555                 m_position(v3f(0,10*BS,0)),
 556                 m_velocity(v3f(0,0,0)),
 557                 m_acceleration(v3f(0,0,0)),
 558                 m_yaw(0),
 559                 m_hp(1),
 560                 m_tx_size(1,1),
 561                 m_tx_basepos(0,0),
 562                 m_initial_tx_basepos_set(false),
 563                 m_tx_select_horiz_by_yawpitch(false),
 564                 m_animation_range(v2s32(0,0)),
 565                 m_animation_speed(15),
 566                 m_animation_blend(0),
 567                 m_animation_loop(true),
 568                 m_bone_position(),
 569                 m_attachment_bone(""),
 570                 m_attachment_position(v3f(0,0,0)),
 571                 m_attachment_rotation(v3f(0,0,0)),
 572                 m_attached_to_local(false),
 573                 m_anim_frame(0),
 574                 m_anim_num_frames(1),
 575                 m_anim_framelength(0.2),
 576                 m_anim_timer(0),
 577                 m_reset_textures_timer(-1),
 578                 m_previous_texture_modifier(""),
 579                 m_current_texture_modifier(""),
 580                 m_visuals_expired(false),
 581                 m_step_distance_counter(0),
 582                 m_last_light(255),
 583                 m_is_visible(false)
 584 {
 585         if (client == NULL) {
 586                 ClientActiveObject::registerType(getType(), create);
 587         } else {
 588                 m_client = client;
 589         }
 590 }
 591
 592 bool GenericCAO::getCollisionBox(aabb3f *toset) const
 593 {
 594         if (m_prop.physical)
 595         {
 596                 //update collision box
 597                 toset->MinEdge = m_prop.collisionbox.MinEdge * BS;
 598                 toset->MaxEdge = m_prop.collisionbox.MaxEdge * BS;
 599
 600                 toset->MinEdge += m_position;
 601                 toset->MaxEdge += m_position;
 602
 603                 return true;
 604         }
 605
 606         return false;
 607 }
 608
 609 bool GenericCAO::collideWithObjects() const
 610 {
 611         return m_prop.collideWithObjects;
 612 }
 613
 614 void GenericCAO::initialize(const std::string &data)
 615 {
 616         infostream<<"GenericCAO: Got init data"<<std::endl;
 617         processInitData(data);
 618
 619         if (m_is_player) {
 620                 // Check if it's the current player
 621                 LocalPlayer *player = m_env->getLocalPlayer();
 622                 if (player && strcmp(player->getName(), m_name.c_str()) == 0) {
 623                         m_is_local_player = true;
 624                         m_is_visible = false;
 625                         player->setCAO(this);
 626                 }
 627                 if (m_client->getProtoVersion() < 33)
 628                         m_env->addPlayerName(m_name.c_str());
 629         }
 630 }
 631
 632 void GenericCAO::processInitData(const std::string &data)
 633 {
 634         std::istringstream is(data, std::ios::binary);
 635         int num_messages = 0;
 636         // version
 637         u8 version = readU8(is);
 638         // check version
 639         if (version == 1) { // In PROTOCOL_VERSION 14
 640                 m_name = deSerializeString(is);
 641                 m_is_player = readU8(is);
 642                 m_id = readS16(is);
 643                 m_position = readV3F1000(is);
 644                 m_yaw = readF1000(is);
 645                 m_hp = readS16(is);
 646                 num_messages = readU8(is);
 647         } else if (version == 0) { // In PROTOCOL_VERSION 13
 648                 m_name = deSerializeString(is);
 649                 m_is_player = readU8(is);
 650                 m_position = readV3F1000(is);
 651                 m_yaw = readF1000(is);
 652                 m_hp = readS16(is);
 653                 num_messages = readU8(is);
 654         } else {
 655                 errorstream<<"GenericCAO: Unsupported init data version"
 656                                 <<std::endl;
 657                 return;
 658         }
 659
 660         for (int i = 0; i < num_messages; i++) {
 661                 std::string message = deSerializeLongString(is);
 662                 processMessage(message);
 663         }
 664
 665         pos_translator.init(m_position);
 666         updateNodePos();
 667 }
 668
 669 GenericCAO::~GenericCAO()
 670 {
 671         if (m_is_player && m_client->getProtoVersion() < 33) {
 672                 m_env->removePlayerName(m_name.c_str());
 673         }
 674         removeFromScene(true);
 675 }
 676
 677 aabb3f *GenericCAO::getSelectionBox()
 678 {
 679         if(!m_prop.is_visible || !m_is_visible || m_is_local_player || getParent() != NULL)
 680                 return NULL;
 681         return &m_selection_box;
 682 }
 683
 684 v3f GenericCAO::getPosition()
 685 {
 686         if (getParent() != NULL) {
 687                 scene::ISceneNode *node = getSceneNode();
 688                 if (node)
 689                         return node->getAbsolutePosition();
 690                 else
 691                         return m_position;
 692         }
 693         return pos_translator.vect_show;
 694 }
 695
 696 scene::ISceneNode* GenericCAO::getSceneNode()
 697 {
 698         if (m_meshnode) {
 699                 return m_meshnode;
 700         } else if (m_animated_meshnode) {
 701                 return m_animated_meshnode;
 702         } else if (m_wield_meshnode) {
 703                 return m_wield_meshnode;
 704         } else if (m_spritenode) {
 705                 return m_spritenode;
 706         }
 707         return NULL;
 708 }
 709
 710 scene::IAnimatedMeshSceneNode* GenericCAO::getAnimatedMeshSceneNode()
 711 {
 712         return m_animated_meshnode;
 713 }
 714
 715 void GenericCAO::setChildrenVisible(bool toset)
 716 {
 717         for (std::vector<u16>::size_type i = 0; i < m_children.size(); i++) {
 718                 GenericCAO *obj = m_env->getGenericCAO(m_children[i]);
 719                 if (obj) {
 720                         obj->setVisible(toset);
 721                 }
 722         }
 723 }
 724
 725 void GenericCAO::setAttachments()
 726 {
 727         updateAttachments();
 728 }
 729
 730 ClientActiveObject* GenericCAO::getParent()
 731 {
 732         ClientActiveObject *obj = NULL;
 733
 734         u16 attached_id = m_env->attachement_parent_ids[getId()];
 735
 736         if ((attached_id != 0) &&
 737                         (attached_id != getId())) {
 738                 obj = m_env->getActiveObject(attached_id);
 739         }
 740         return obj;
 741 }
 742
 743 void GenericCAO::removeFromScene(bool permanent)
 744 {
 745         // Should be true when removing the object permanently and false when refreshing (eg: updating visuals)
 746         if((m_env != NULL) && (permanent))
 747         {
 748                 for (std::vector<u16>::size_type i = 0; i < m_children.size(); i++) {
 749                         u16 ci = m_children[i];
 750                         if (m_env->attachement_parent_ids[ci] == getId()) {
 751                                 m_env->attachement_parent_ids[ci] = 0;
 752                         }
 753                 }
 754
 755                 m_env->attachement_parent_ids[getId()] = 0;
 756
 757                 LocalPlayer* player = m_env->getLocalPlayer();
 758                 if (this == player->parent) {
 759                         player->parent = NULL;
 760                         player->isAttached = false;
 761                 }
 762         }
 763
 764         if (m_meshnode) {
 765                 m_meshnode->remove();
 766                 m_meshnode->drop();
 767                 m_meshnode = NULL;
 768         } else if (m_animated_meshnode) {
 769                 m_animated_meshnode->remove();
 770                 m_animated_meshnode->drop();
 771                 m_animated_meshnode = NULL;
 772         } else if (m_wield_meshnode) {
 773                 m_wield_meshnode->remove();
 774                 m_wield_meshnode->drop();
 775                 m_wield_meshnode = NULL;
 776         } else if (m_spritenode) {
 777                 m_spritenode->remove();
 778                 m_spritenode->drop();
 779                 m_spritenode = NULL;
 780         }
 781
 782         if (m_nametag) {
 783                 m_client->getCamera()->removeNametag(m_nametag);
 784                 m_nametag = NULL;
 785         }
 786 }
 787
 788 void GenericCAO::addToScene(scene::ISceneManager *smgr,
 789                 ITextureSource *tsrc, IrrlichtDevice *irr)
 790 {
 791         m_smgr = smgr;
 792         m_irr = irr;
 793
 794         if (getSceneNode() != NULL) {
 795                 return;
 796         }
 797
 798         m_visuals_expired = false;
 799
 800         if (!m_prop.is_visible) {
 801                 return;
 802         }
 803
 804         if (m_prop.visual == "sprite") {
 805                 infostream<<"GenericCAO::addToScene(): single_sprite"<<std::endl;
 806                 m_spritenode = smgr->addBillboardSceneNode(
 807                                 NULL, v2f(1, 1), v3f(0,0,0), -1);
 808                 m_spritenode->grab();
 809                 m_spritenode->setMaterialTexture(0,
 810                                 tsrc->getTextureForMesh("unknown_node.png"));
 811                 m_spritenode->setMaterialFlag(video::EMF_LIGHTING, false);
 812                 m_spritenode->setMaterialFlag(video::EMF_BILINEAR_FILTER, false);
 813                 m_spritenode->setMaterialType(video::EMT_TRANSPARENT_ALPHA_CHANNEL_REF);
 814                 m_spritenode->setMaterialFlag(video::EMF_FOG_ENABLE, true);
 815                 u8 li = m_last_light;
 816                 m_spritenode->setColor(video::SColor(255,li,li,li));
 817                 m_spritenode->setSize(m_prop.visual_size*BS);
 818                 {
 819                         const float txs = 1.0 / 1;
 820                         const float tys = 1.0 / 1;
 821                         setBillboardTextureMatrix(m_spritenode,
 822                                         txs, tys, 0, 0);
 823                 }
 824         } else if (m_prop.visual == "upright_sprite") {
 825                 scene::SMesh *mesh = new scene::SMesh();
 826                 double dx = BS * m_prop.visual_size.X / 2;
 827                 double dy = BS * m_prop.visual_size.Y / 2;
 828                 u8 li = m_last_light;
 829                 video::SColor c(255, li, li, li);
 830
 831                 { // Front
 832                         scene::IMeshBuffer *buf = new scene::SMeshBuffer();
 833                         video::S3DVertex vertices[4] = {
 834                                 video::S3DVertex(-dx, -dy, 0, 0,0,0, c, 1,1),
 835                                 video::S3DVertex( dx, -dy, 0, 0,0,0, c, 0,1),
 836                                 video::S3DVertex( dx,  dy, 0, 0,0,0, c, 0,0),
 837                                 video::S3DVertex(-dx,  dy, 0, 0,0,0, c, 1,0),
 838                         };
 839                         u16 indices[] = {0,1,2,2,3,0};
 840                         buf->append(vertices, 4, indices, 6);
 841                         // Set material
 842                         buf->getMaterial().setFlag(video::EMF_LIGHTING, false);
 843                         buf->getMaterial().setFlag(video::EMF_BILINEAR_FILTER, false);
 844                         buf->getMaterial().setFlag(video::EMF_FOG_ENABLE, true);
 845                         buf->getMaterial().MaterialType = video::EMT_TRANSPARENT_ALPHA_CHANNEL;
 846                         // Add to mesh
 847                         mesh->addMeshBuffer(buf);
 848                         buf->drop();
 849                 }
 850                 { // Back
 851                         scene::IMeshBuffer *buf = new scene::SMeshBuffer();
 852                         video::S3DVertex vertices[4] = {
 853                                 video::S3DVertex( dx,-dy, 0, 0,0,0, c, 1,1),
 854                                 video::S3DVertex(-dx,-dy, 0, 0,0,0, c, 0,1),
 855                                 video::S3DVertex(-dx, dy, 0, 0,0,0, c, 0,0),
 856                                 video::S3DVertex( dx, dy, 0, 0,0,0, c, 1,0),
 857                         };
 858                         u16 indices[] = {0,1,2,2,3,0};
 859                         buf->append(vertices, 4, indices, 6);
 860                         // Set material
 861                         buf->getMaterial().setFlag(video::EMF_LIGHTING, false);
 862                         buf->getMaterial().setFlag(video::EMF_BILINEAR_FILTER, false);
 863                         buf->getMaterial().setFlag(video::EMF_FOG_ENABLE, true);
 864                         buf->getMaterial().MaterialType = video::EMT_TRANSPARENT_ALPHA_CHANNEL_REF;
 865                         // Add to mesh
 866                         mesh->addMeshBuffer(buf);
 867                         buf->drop();
 868                 }
 869                 m_meshnode = smgr->addMeshSceneNode(mesh, NULL);
 870                 m_meshnode->grab();
 871                 mesh->drop();
 872                 // Set it to use the materials of the meshbuffers directly.
 873                 // This is needed for changing the texture in the future
 874                 m_meshnode->setReadOnlyMaterials(true);
 875         }
 876         else if(m_prop.visual == "cube") {
 877                 infostream<<"GenericCAO::addToScene(): cube"<<std::endl;
 878                 scene::IMesh *mesh = createCubeMesh(v3f(BS,BS,BS));
 879                 m_meshnode = smgr->addMeshSceneNode(mesh, NULL);
 880                 m_meshnode->grab();
 881                 mesh->drop();
 882
 883                 m_meshnode->setScale(v3f(m_prop.visual_size.X,
 884                                 m_prop.visual_size.Y,
 885                                 m_prop.visual_size.X));
 886                 u8 li = m_last_light;
 887                 setMeshColor(m_meshnode->getMesh(), video::SColor(255,li,li,li));
 888
 889                 m_meshnode->setMaterialFlag(video::EMF_LIGHTING, false);
 890                 m_meshnode->setMaterialFlag(video::EMF_BILINEAR_FILTER, false);
 891                 m_meshnode->setMaterialType(video::EMT_TRANSPARENT_ALPHA_CHANNEL_REF);
 892                 m_meshnode->setMaterialFlag(video::EMF_FOG_ENABLE, true);
 893         }
 894         else if(m_prop.visual == "mesh") {
 895                 infostream<<"GenericCAO::addToScene(): mesh"<<std::endl;
 896                 scene::IAnimatedMesh *mesh = m_client->getMesh(m_prop.mesh);
 897                 if(mesh)
 898                 {
 899                         m_animated_meshnode = smgr->addAnimatedMeshSceneNode(mesh, NULL);
 900                         m_animated_meshnode->grab();
 901                         mesh->drop(); // The scene node took hold of it
 902                         m_animated_meshnode->animateJoints(); // Needed for some animations
 903                         m_animated_meshnode->setScale(v3f(m_prop.visual_size.X,
 904                                         m_prop.visual_size.Y,
 905                                         m_prop.visual_size.X));
 906                         u8 li = m_last_light;
 907                         setMeshColor(m_animated_meshnode->getMesh(), video::SColor(255,li,li,li));
 908
 909                         bool backface_culling = m_prop.backface_culling;
 910                         if (m_is_player)
 911                                 backface_culling = false;
 912
 913                         m_animated_meshnode->setMaterialFlag(video::EMF_LIGHTING, false);
 914                         m_animated_meshnode->setMaterialFlag(video::EMF_BILINEAR_FILTER, false);
 915                         m_animated_meshnode->setMaterialType(video::EMT_TRANSPARENT_ALPHA_CHANNEL_REF);
 916                         m_animated_meshnode->setMaterialFlag(video::EMF_FOG_ENABLE, true);
 917                         m_animated_meshnode->setMaterialFlag(video::EMF_BACK_FACE_CULLING, backface_culling);
 918                 }
 919                 else
 920                         errorstream<<"GenericCAO::addToScene(): Could not load mesh "<<m_prop.mesh<<std::endl;
 921         }
 922         else if(m_prop.visual == "wielditem") {
 923                 ItemStack item;
 924                 infostream << "GenericCAO::addToScene(): wielditem" << std::endl;
 925                 if (m_prop.wield_item == "") {
 926                         // Old format, only textures are specified.
 927                         infostream << "textures: " << m_prop.textures.size() << std::endl;
 928                         if (m_prop.textures.size() >= 1) {
 929                                 infostream << "textures[0]: " << m_prop.textures[0]
 930                                         << std::endl;
 931                                 IItemDefManager *idef = m_client->idef();
 932                                 item = ItemStack(m_prop.textures[0], 1, 0, idef);
 933                         }
 934                 } else {
 935                         infostream << "serialized form: " << m_prop.wield_item << std::endl;
 936                         item.deSerialize(m_prop.wield_item, m_client->idef());
 937                 }
 938                 m_wield_meshnode = new WieldMeshSceneNode(smgr->getRootSceneNode(),
 939                         smgr, -1);
 940                 m_wield_meshnode->setItem(item, m_client);
 941
 942                 m_wield_meshnode->setScale(
 943                         v3f(m_prop.visual_size.X / 2, m_prop.visual_size.Y / 2,
 944                                 m_prop.visual_size.X / 2));
 945                 u8 li = m_last_light;
 946                 m_wield_meshnode->setColor(video::SColor(255, li, li, li));
 947         } else {
 948                 infostream<<"GenericCAO::addToScene(): \""<<m_prop.visual
 949                                 <<"\" not supported"<<std::endl;
 950         }
 951
 952         /* don't update while punch texture modifier is active */
 953         if (m_reset_textures_timer < 0)
 954                 updateTextures(m_current_texture_modifier);
 955
 956         scene::ISceneNode *node = getSceneNode();
 957         if (node && m_prop.nametag != "" && !m_is_local_player) {
 958                 // Add nametag
 959                 m_nametag = m_client->getCamera()->addNametag(node,
 960                         m_prop.nametag, m_prop.nametag_color);
 961         }
 962
 963         updateNodePos();
 964         updateAnimation();
 965         updateBonePosition();
 966         updateAttachments();
 967 }
 968
 969 void GenericCAO::updateLight(u8 light_at_pos)
 970 {
 971         // Don't update light of attached one
 972         if (getParent() != NULL) {
 973                 return;
 974         }
 975
 976         updateLightNoCheck(light_at_pos);
 977
 978         // Update light of all children
 979         for (std::vector<u16>::size_type i = 0; i < m_children.size(); i++) {
 980                 ClientActiveObject *obj = m_env->getActiveObject(m_children[i]);
 981                 if (obj) {
 982                         obj->updateLightNoCheck(light_at_pos);
 983                 }
 984         }
 985 }
 986
 987 void GenericCAO::updateLightNoCheck(u8 light_at_pos)
 988 {
 989         u8 li = decode_light(light_at_pos);
 990         if (li != m_last_light) {
 991                 m_last_light = li;
 992                 video::SColor color(255,li,li,li);
 993                 if (m_meshnode) {
 994                         setMeshColor(m_meshnode->getMesh(), color);
 995                 } else if (m_animated_meshnode) {
 996                         setMeshColor(m_animated_meshnode->getMesh(), color);
 997                 } else if (m_wield_meshnode) {
 998                         m_wield_meshnode->setColor(color);
 999                 } else if (m_spritenode) {
1000                         m_spritenode->setColor(color);
1001                 }
1002         }
1003 }
1004
1005 v3s16 GenericCAO::getLightPosition()
1006 {
1007         return floatToInt(m_position, BS);
1008 }
1009
1010 void GenericCAO::updateNodePos()
1011 {
1012         if (getParent() != NULL)
1013                 return;
1014
1015         scene::ISceneNode *node = getSceneNode();
1016
1017         if (node) {
1018                 v3s16 camera_offset = m_env->getCameraOffset();
1019                 node->setPosition(pos_translator.vect_show - intToFloat(camera_offset, BS));
1020                 if (node != m_spritenode) { // rotate if not a sprite
1021                         v3f rot = node->getRotation();
1022                         rot.Y = -m_yaw;
1023                         node->setRotation(rot);
1024                 }
1025         }
1026 }
1027
1028 void GenericCAO::step(float dtime, ClientEnvironment *env)
1029 {
1030         // Handel model of local player instantly to prevent lags
1031         if (m_is_local_player) {
1032                 LocalPlayer *player = m_env->getLocalPlayer();
1033                 if (m_is_visible) {
1034                         int old_anim = player->last_animation;
1035                         float old_anim_speed = player->last_animation_speed;
1036                         m_position = player->getPosition() + v3f(0,BS,0);
1037                         m_velocity = v3f(0,0,0);
1038                         m_acceleration = v3f(0,0,0);
1039                         pos_translator.vect_show = m_position;
1040                         m_yaw = player->getYaw();
1041                         const PlayerControl &controls = player->getPlayerControl();
1042
1043                         bool walking = false;
1044                         if (controls.up || controls.down || controls.left || controls.right ||
1045                                         controls.forw_move_joystick_axis != 0.f ||
1046                                         controls.sidew_move_joystick_axis != 0.f)
1047                                 walking = true;
1048
1049                         f32 new_speed = player->local_animation_speed;
1050                         v2s32 new_anim = v2s32(0,0);
1051                         bool allow_update = false;
1052
1053                         // increase speed if using fast or flying fast
1054                         if((g_settings->getBool("fast_move") &&
1055                                         m_client->checkLocalPrivilege("fast")) &&
1056                                         (controls.aux1 ||
1057                                         (!player->touching_ground &&
1058                                         g_settings->getBool("free_move") &&
1059                                         m_client->checkLocalPrivilege("fly"))))
1060                                         new_speed *= 1.5;
1061                         // slowdown speed if sneeking
1062                         if (controls.sneak && walking)
1063                                 new_speed /= 2;
1064
1065                         if (walking && (controls.LMB || controls.RMB)) {
1066                                 new_anim = player->local_animations[3];
1067                                 player->last_animation = WD_ANIM;
1068                         } else if(walking) {
1069                                 new_anim = player->local_animations[1];
1070                                 player->last_animation = WALK_ANIM;
1071                         } else if(controls.LMB || controls.RMB) {
1072                                 new_anim = player->local_animations[2];
1073                                 player->last_animation = DIG_ANIM;
1074                         }
1075
1076                         // Apply animations if input detected and not attached
1077                         // or set idle animation
1078                         if ((new_anim.X + new_anim.Y) > 0 && !player->isAttached) {
1079                                 allow_update = true;
1080                                 m_animation_range = new_anim;
1081                                 m_animation_speed = new_speed;
1082                                 player->last_animation_speed = m_animation_speed;
1083                         } else {
1084                                 player->last_animation = NO_ANIM;
1085
1086                                 if (old_anim != NO_ANIM) {
1087                                         m_animation_range = player->local_animations[0];
1088                                         updateAnimation();
1089                                 }
1090                         }
1091
1092                         // Update local player animations
1093                         if ((player->last_animation != old_anim ||
1094                                 m_animation_speed != old_anim_speed) &&
1095                                 player->last_animation != NO_ANIM && allow_update)
1096                                         updateAnimation();
1097
1098                 }
1099         }
1100
1101         if(m_visuals_expired && m_smgr && m_irr){
1102                 m_visuals_expired = false;
1103
1104                 // Attachments, part 1: All attached objects must be unparented first,
1105                 // or Irrlicht causes a segmentation fault
1106                 for(std::vector<u16>::iterator ci = m_children.begin();
1107                                 ci != m_children.end();)
1108                 {
1109                         if (m_env->attachement_parent_ids[*ci] != getId()) {
1110                                 ci = m_children.erase(ci);
1111                                 continue;
1112                         }
1113                         ClientActiveObject *obj = m_env->getActiveObject(*ci);
1114                         if (obj) {
1115                                 scene::ISceneNode *child_node = obj->getSceneNode();
1116                                 if (child_node)
1117                                         child_node->setParent(m_smgr->getRootSceneNode());
1118                         }
1119                         ++ci;
1120                 }
1121
1122                 removeFromScene(false);
1123                 addToScene(m_smgr, m_client->tsrc(), m_irr);
1124
1125                 // Attachments, part 2: Now that the parent has been refreshed, put its attachments back
1126                 for (std::vector<u16>::size_type i = 0; i < m_children.size(); i++) {
1127                         // Get the object of the child
1128                         ClientActiveObject *obj = m_env->getActiveObject(m_children[i]);
1129                         if (obj)
1130                                 obj->setAttachments();
1131                 }
1132         }
1133
1134         // Make sure m_is_visible is always applied
1135         scene::ISceneNode *node = getSceneNode();
1136         if (node)
1137                 node->setVisible(m_is_visible);
1138
1139         if(getParent() != NULL) // Attachments should be glued to their parent by Irrlicht
1140         {
1141                 // Set these for later
1142                 m_position = getPosition();
1143                 m_velocity = v3f(0,0,0);
1144                 m_acceleration = v3f(0,0,0);
1145                 pos_translator.vect_show = m_position;
1146
1147                 if(m_is_local_player) // Update local player attachment position
1148                 {
1149                         LocalPlayer *player = m_env->getLocalPlayer();
1150                         player->overridePosition = getParent()->getPosition();
1151                         m_env->getLocalPlayer()->parent = getParent();
1152                 }
1153         } else {
1154                 v3f lastpos = pos_translator.vect_show;
1155
1156                 if(m_prop.physical)
1157                 {
1158                         aabb3f box = m_prop.collisionbox;
1159                         box.MinEdge *= BS;
1160                         box.MaxEdge *= BS;
1161                         collisionMoveResult moveresult;
1162                         f32 pos_max_d = BS*0.125; // Distance per iteration
1163                         v3f p_pos = m_position;
1164                         v3f p_velocity = m_velocity;
1165                         moveresult = collisionMoveSimple(env,env->getGameDef(),
1166                                         pos_max_d, box, m_prop.stepheight, dtime,
1167                                         &p_pos, &p_velocity, m_acceleration,
1168                                         this, m_prop.collideWithObjects);
1169                         // Apply results
1170                         m_position = p_pos;
1171                         m_velocity = p_velocity;
1172
1173                         bool is_end_position = moveresult.collides;
1174                         pos_translator.update(m_position, is_end_position, dtime);
1175                         pos_translator.translate(dtime);
1176                         updateNodePos();
1177                 } else {
1178                         m_position += dtime * m_velocity + 0.5 * dtime * dtime * m_acceleration;
1179                         m_velocity += dtime * m_acceleration;
1180                         pos_translator.update(m_position, pos_translator.aim_is_end,
1181                                         pos_translator.anim_time);
1182                         pos_translator.translate(dtime);
1183                         updateNodePos();
1184                 }
1185
1186                 float moved = lastpos.getDistanceFrom(pos_translator.vect_show);
1187                 m_step_distance_counter += moved;
1188                 if(m_step_distance_counter > 1.5*BS)
1189                 {
1190                         m_step_distance_counter = 0;
1191                         if(!m_is_local_player && m_prop.makes_footstep_sound)
1192                         {
1193                                 INodeDefManager *ndef = m_client->ndef();
1194                                 v3s16 p = floatToInt(getPosition() + v3f(0,
1195                                                 (m_prop.collisionbox.MinEdge.Y-0.5)*BS, 0), BS);
1196                                 MapNode n = m_env->getMap().getNodeNoEx(p);
1197                                 SimpleSoundSpec spec = ndef->get(n).sound_footstep;
1198                                 m_client->sound()->playSoundAt(spec, false, getPosition());
1199                         }
1200                 }
1201         }
1202
1203         m_anim_timer += dtime;
1204         if(m_anim_timer >= m_anim_framelength)
1205         {
1206                 m_anim_timer -= m_anim_framelength;
1207                 m_anim_frame++;
1208                 if(m_anim_frame >= m_anim_num_frames)
1209                         m_anim_frame = 0;
1210         }
1211
1212         updateTexturePos();
1213
1214         if(m_reset_textures_timer >= 0)
1215         {
1216                 m_reset_textures_timer -= dtime;
1217                 if(m_reset_textures_timer <= 0) {
1218                         m_reset_textures_timer = -1;
1219                         updateTextures(m_previous_texture_modifier);
1220                 }
1221         }
1222         if(getParent() == NULL && fabs(m_prop.automatic_rotate) > 0.001)
1223         {
1224                 m_yaw += dtime * m_prop.automatic_rotate * 180 / M_PI;
1225                 updateNodePos();
1226         }
1227
1228         if (getParent() == NULL && m_prop.automatic_face_movement_dir &&
1229                         (fabs(m_velocity.Z) > 0.001 || fabs(m_velocity.X) > 0.001))
1230         {
1231                 float optimal_yaw = atan2(m_velocity.Z,m_velocity.X) * 180 / M_PI
1232                                 + m_prop.automatic_face_movement_dir_offset;
1233                 float max_rotation_delta =
1234                                 dtime * m_prop.automatic_face_movement_max_rotation_per_sec;
1235
1236                 if ((m_prop.automatic_face_movement_max_rotation_per_sec > 0) &&
1237                         (fabs(m_yaw - optimal_yaw) > max_rotation_delta)) {
1238
1239                         m_yaw = optimal_yaw < m_yaw ? m_yaw - max_rotation_delta : m_yaw + max_rotation_delta;
1240                 } else {
1241                         m_yaw = optimal_yaw;
1242                 }
1243                 updateNodePos();
1244         }
1245 }
1246
1247 void GenericCAO::updateTexturePos()
1248 {
1249         if(m_spritenode)
1250         {
1251                 scene::ICameraSceneNode* camera =
1252                                 m_spritenode->getSceneManager()->getActiveCamera();
1253                 if(!camera)
1254                         return;
1255                 v3f cam_to_entity = m_spritenode->getAbsolutePosition()
1256                                 - camera->getAbsolutePosition();
1257                 cam_to_entity.normalize();
1258
1259                 int row = m_tx_basepos.Y;
1260                 int col = m_tx_basepos.X;
1261
1262                 if(m_tx_select_horiz_by_yawpitch)
1263                 {
1264                         if(cam_to_entity.Y > 0.75)
1265                                 col += 5;
1266                         else if(cam_to_entity.Y < -0.75)
1267                                 col += 4;
1268                         else{
1269                                 float mob_dir =
1270                                                 atan2(cam_to_entity.Z, cam_to_entity.X) / M_PI * 180.;
1271                                 float dir = mob_dir - m_yaw;
1272                                 dir = wrapDegrees_180(dir);
1273                                 //infostream<<"id="<<m_id<<" dir="<<dir<<std::endl;
1274                                 if(fabs(wrapDegrees_180(dir - 0)) <= 45.1)
1275                                         col += 2;
1276                                 else if(fabs(wrapDegrees_180(dir - 90)) <= 45.1)
1277                                         col += 3;
1278                                 else if(fabs(wrapDegrees_180(dir - 180)) <= 45.1)
1279                                         col += 0;
1280                                 else if(fabs(wrapDegrees_180(dir + 90)) <= 45.1)
1281                                         col += 1;
1282                                 else
1283                                         col += 4;
1284                         }
1285                 }
1286
1287                 // Animation goes downwards
1288                 row += m_anim_frame;
1289
1290                 float txs = m_tx_size.X;
1291                 float tys = m_tx_size.Y;
1292                 setBillboardTextureMatrix(m_spritenode,
1293                                 txs, tys, col, row);
1294         }
1295 }
1296
1297 void GenericCAO::updateTextures(std::string mod)
1298 {
1299         ITextureSource *tsrc = m_client->tsrc();
1300
1301         bool use_trilinear_filter = g_settings->getBool("trilinear_filter");
1302         bool use_bilinear_filter = g_settings->getBool("bilinear_filter");
1303         bool use_anisotropic_filter = g_settings->getBool("anisotropic_filter");
1304
1305         m_previous_texture_modifier = m_current_texture_modifier;
1306         m_current_texture_modifier = mod;
1307
1308         if(m_spritenode)
1309         {
1310                 if(m_prop.visual == "sprite")
1311                 {
1312                         std::string texturestring = "unknown_node.png";
1313                         if(m_prop.textures.size() >= 1)
1314                                 texturestring = m_prop.textures[0];
1315                         texturestring += mod;
1316                         m_spritenode->setMaterialTexture(0,
1317                                         tsrc->getTextureForMesh(texturestring));
1318
1319                         // This allows setting per-material colors. However, until a real lighting
1320                         // system is added, the code below will have no effect. Once MineTest
1321                         // has directional lighting, it should work automatically.
1322                         if(m_prop.colors.size() >= 1)
1323                         {
1324                                 m_spritenode->getMaterial(0).AmbientColor = m_prop.colors[0];
1325                                 m_spritenode->getMaterial(0).DiffuseColor = m_prop.colors[0];
1326                                 m_spritenode->getMaterial(0).SpecularColor = m_prop.colors[0];
1327                         }
1328
1329                         m_spritenode->getMaterial(0).setFlag(video::EMF_TRILINEAR_FILTER, use_trilinear_filter);
1330                         m_spritenode->getMaterial(0).setFlag(video::EMF_BILINEAR_FILTER, use_bilinear_filter);
1331                         m_spritenode->getMaterial(0).setFlag(video::EMF_ANISOTROPIC_FILTER, use_anisotropic_filter);
1332                 }
1333         }
1334         if(m_animated_meshnode)
1335         {
1336                 if(m_prop.visual == "mesh")
1337                 {
1338                         for (u32 i = 0; i < m_prop.textures.size() &&
1339                                         i < m_animated_meshnode->getMaterialCount(); ++i)
1340                         {
1341                                 std::string texturestring = m_prop.textures[i];
1342                                 if(texturestring == "")
1343                                         continue; // Empty texture string means don't modify that material
1344                                 texturestring += mod;
1345                                 video::ITexture* texture = tsrc->getTextureForMesh(texturestring);
1346                                 if(!texture)
1347                                 {
1348                                         errorstream<<"GenericCAO::updateTextures(): Could not load texture "<<texturestring<<std::endl;
1349                                         continue;
1350                                 }
1351
1352                                 // Set material flags and texture
1353                                 video::SMaterial& material = m_animated_meshnode->getMaterial(i);
1354                                 material.TextureLayer[0].Texture = texture;
1355                                 material.setFlag(video::EMF_LIGHTING, false);
1356                                 material.setFlag(video::EMF_BILINEAR_FILTER, false);
1357
1358                                 m_animated_meshnode->getMaterial(i)
1359                                                 .setFlag(video::EMF_TRILINEAR_FILTER, use_trilinear_filter);
1360                                 m_animated_meshnode->getMaterial(i)
1361                                                 .setFlag(video::EMF_BILINEAR_FILTER, use_bilinear_filter);
1362                                 m_animated_meshnode->getMaterial(i)
1363                                                 .setFlag(video::EMF_ANISOTROPIC_FILTER, use_anisotropic_filter);
1364                         }
1365                         for (u32 i = 0; i < m_prop.colors.size() &&
1366                         i < m_animated_meshnode->getMaterialCount(); ++i)
1367                         {
1368                                 // This allows setting per-material colors. However, until a real lighting
1369                                 // system is added, the code below will have no effect. Once MineTest
1370                                 // has directional lighting, it should work automatically.
1371                                 m_animated_meshnode->getMaterial(i).AmbientColor = m_prop.colors[i];
1372                                 m_animated_meshnode->getMaterial(i).DiffuseColor = m_prop.colors[i];
1373                                 m_animated_meshnode->getMaterial(i).SpecularColor = m_prop.colors[i];
1374                         }
1375                 }
1376         }
1377         if(m_meshnode)
1378         {
1379                 if(m_prop.visual == "cube")
1380                 {
1381                         for (u32 i = 0; i < 6; ++i)
1382                         {
1383                                 std::string texturestring = "unknown_node.png";
1384                                 if(m_prop.textures.size() > i)
1385                                         texturestring = m_prop.textures[i];
1386                                 texturestring += mod;
1387
1388
1389                                 // Set material flags and texture
1390                                 video::SMaterial& material = m_meshnode->getMaterial(i);
1391                                 material.setFlag(video::EMF_LIGHTING, false);
1392                                 material.setFlag(video::EMF_BILINEAR_FILTER, false);
1393                                 material.setTexture(0,
1394                                                 tsrc->getTextureForMesh(texturestring));
1395                                 material.getTextureMatrix(0).makeIdentity();
1396
1397                                 // This allows setting per-material colors. However, until a real lighting
1398                                 // system is added, the code below will have no effect. Once MineTest
1399                                 // has directional lighting, it should work automatically.
1400                                 if(m_prop.colors.size() > i)
1401                                 {
1402                                         m_meshnode->getMaterial(i).AmbientColor = m_prop.colors[i];
1403                                         m_meshnode->getMaterial(i).DiffuseColor = m_prop.colors[i];
1404                                         m_meshnode->getMaterial(i).SpecularColor = m_prop.colors[i];
1405                                 }
1406
1407                                 m_meshnode->getMaterial(i).setFlag(video::EMF_TRILINEAR_FILTER, use_trilinear_filter);
1408                                 m_meshnode->getMaterial(i).setFlag(video::EMF_BILINEAR_FILTER, use_bilinear_filter);
1409                                 m_meshnode->getMaterial(i).setFlag(video::EMF_ANISOTROPIC_FILTER, use_anisotropic_filter);
1410                         }
1411                 }
1412                 else if(m_prop.visual == "upright_sprite")
1413                 {
1414                         scene::IMesh *mesh = m_meshnode->getMesh();
1415                         {
1416                                 std::string tname = "unknown_object.png";
1417                                 if(m_prop.textures.size() >= 1)
1418                                         tname = m_prop.textures[0];
1419                                 tname += mod;
1420                                 scene::IMeshBuffer *buf = mesh->getMeshBuffer(0);
1421                                 buf->getMaterial().setTexture(0,
1422                                                 tsrc->getTextureForMesh(tname));
1423
1424                                 // This allows setting per-material colors. However, until a real lighting
1425                                 // system is added, the code below will have no effect. Once MineTest
1426                                 // has directional lighting, it should work automatically.
1427                                 if(m_prop.colors.size() >= 1)
1428                                 {
1429                                         buf->getMaterial().AmbientColor = m_prop.colors[0];
1430                                         buf->getMaterial().DiffuseColor = m_prop.colors[0];
1431                                         buf->getMaterial().SpecularColor = m_prop.colors[0];
1432                                 }
1433
1434                                 buf->getMaterial().setFlag(video::EMF_TRILINEAR_FILTER, use_trilinear_filter);
1435                                 buf->getMaterial().setFlag(video::EMF_BILINEAR_FILTER, use_bilinear_filter);
1436                                 buf->getMaterial().setFlag(video::EMF_ANISOTROPIC_FILTER, use_anisotropic_filter);
1437                         }
1438                         {
1439                                 std::string tname = "unknown_object.png";
1440                                 if(m_prop.textures.size() >= 2)
1441                                         tname = m_prop.textures[1];
1442                                 else if(m_prop.textures.size() >= 1)
1443                                         tname = m_prop.textures[0];
1444                                 tname += mod;
1445                                 scene::IMeshBuffer *buf = mesh->getMeshBuffer(1);
1446                                 buf->getMaterial().setTexture(0,
1447                                                 tsrc->getTextureForMesh(tname));
1448
1449                                 // This allows setting per-material colors. However, until a real lighting
1450                                 // system is added, the code below will have no effect. Once MineTest
1451                                 // has directional lighting, it should work automatically.
1452                                 if(m_prop.colors.size() >= 2)
1453                                 {
1454                                         buf->getMaterial().AmbientColor = m_prop.colors[1];
1455                                         buf->getMaterial().DiffuseColor = m_prop.colors[1];
1456                                         buf->getMaterial().SpecularColor = m_prop.colors[1];
1457                                 }
1458                                 else if(m_prop.colors.size() >= 1)
1459                                 {
1460                                         buf->getMaterial().AmbientColor = m_prop.colors[0];
1461                                         buf->getMaterial().DiffuseColor = m_prop.colors[0];
1462                                         buf->getMaterial().SpecularColor = m_prop.colors[0];
1463                                 }
1464
1465                                 buf->getMaterial().setFlag(video::EMF_TRILINEAR_FILTER, use_trilinear_filter);
1466                                 buf->getMaterial().setFlag(video::EMF_BILINEAR_FILTER, use_bilinear_filter);
1467                                 buf->getMaterial().setFlag(video::EMF_ANISOTROPIC_FILTER, use_anisotropic_filter);
1468                         }
1469                 }
1470         }
1471 }
1472
1473 void GenericCAO::updateAnimation()
1474 {
1475         if(m_animated_meshnode == NULL)
1476                 return;
1477
1478         if (m_animated_meshnode->getStartFrame() != m_animation_range.X ||
1479                 m_animated_meshnode->getEndFrame() != m_animation_range.Y)
1480                         m_animated_meshnode->setFrameLoop(m_animation_range.X, m_animation_range.Y);
1481         if (m_animated_meshnode->getAnimationSpeed() != m_animation_speed)
1482                 m_animated_meshnode->setAnimationSpeed(m_animation_speed);
1483         m_animated_meshnode->setTransitionTime(m_animation_blend);
1484 // Requires Irrlicht 1.8 or greater
1485 #if (IRRLICHT_VERSION_MAJOR == 1 && IRRLICHT_VERSION_MINOR >= 8) || IRRLICHT_VERSION_MAJOR > 1
1486         if (m_animated_meshnode->getLoopMode() != m_animation_loop)
1487                 m_animated_meshnode->setLoopMode(m_animation_loop);
1488 #endif
1489 }
1490
1491 void GenericCAO::updateBonePosition()
1492 {
1493         if(m_bone_position.empty() || m_animated_meshnode == NULL)
1494                 return;
1495
1496         m_animated_meshnode->setJointMode(irr::scene::EJUOR_CONTROL); // To write positions to the mesh on render
1497         for(std::unordered_map<std::string, core::vector2d<v3f>>::const_iterator
1498                         ii = m_bone_position.begin(); ii != m_bone_position.end(); ++ii) {
1499                 std::string bone_name = (*ii).first;
1500                 v3f bone_pos = (*ii).second.X;
1501                 v3f bone_rot = (*ii).second.Y;
1502                 irr::scene::IBoneSceneNode* bone = m_animated_meshnode->getJointNode(bone_name.c_str());
1503                 if(bone)
1504                 {
1505                         bone->setPosition(bone_pos);
1506                         bone->setRotation(bone_rot);
1507                 }
1508         }
1509 }
1510
1511 void GenericCAO::updateAttachments()
1512 {
1513
1514         if (getParent() == NULL) { // Detach or don't attach
1515                 scene::ISceneNode *node = getSceneNode();
1516                 if (node) {
1517                         v3f old_position = node->getAbsolutePosition();
1518                         v3f old_rotation = node->getRotation();
1519                         node->setParent(m_smgr->getRootSceneNode());
1520                         node->setPosition(old_position);
1521                         node->setRotation(old_rotation);
1522                         node->updateAbsolutePosition();
1523                 }
1524                 if (m_is_local_player) {
1525                         LocalPlayer *player = m_env->getLocalPlayer();
1526                         player->isAttached = false;
1527                 }
1528         }
1529         else // Attach
1530         {
1531                 scene::ISceneNode *my_node = getSceneNode();
1532
1533                 scene::ISceneNode *parent_node = getParent()->getSceneNode();
1534                 scene::IAnimatedMeshSceneNode *parent_animated_mesh_node =
1535                                 getParent()->getAnimatedMeshSceneNode();
1536                 if (parent_animated_mesh_node && m_attachment_bone != "") {
1537                         parent_node = parent_animated_mesh_node->getJointNode(m_attachment_bone.c_str());
1538                 }
1539
1540                 if (my_node && parent_node) {
1541                         my_node->setParent(parent_node);
1542                         my_node->setPosition(m_attachment_position);
1543                         my_node->setRotation(m_attachment_rotation);
1544                         my_node->updateAbsolutePosition();
1545                 }
1546                 if (m_is_local_player) {
1547                         LocalPlayer *player = m_env->getLocalPlayer();
1548                         player->isAttached = true;
1549                 }
1550         }
1551 }
1552
1553 void GenericCAO::processMessage(const std::string &data)
1554 {
1555         //infostream<<"GenericCAO: Got message"<<std::endl;
1556         std::istringstream is(data, std::ios::binary);
1557         // command
1558         u8 cmd = readU8(is);
1559         if (cmd == GENERIC_CMD_SET_PROPERTIES) {
1560                 m_prop = gob_read_set_properties(is);
1561
1562                 m_selection_box = m_prop.collisionbox;
1563                 m_selection_box.MinEdge *= BS;
1564                 m_selection_box.MaxEdge *= BS;
1565
1566                 m_tx_size.X = 1.0 / m_prop.spritediv.X;
1567                 m_tx_size.Y = 1.0 / m_prop.spritediv.Y;
1568
1569                 if(!m_initial_tx_basepos_set){
1570                         m_initial_tx_basepos_set = true;
1571                         m_tx_basepos = m_prop.initial_sprite_basepos;
1572                 }
1573                 if (m_is_local_player) {
1574                         LocalPlayer *player = m_env->getLocalPlayer();
1575                         player->makes_footstep_sound = m_prop.makes_footstep_sound;
1576                 }
1577
1578                 if ((m_is_player && !m_is_local_player) && m_prop.nametag == "")
1579                         m_prop.nametag = m_name;
1580
1581                 expireVisuals();
1582         } else if (cmd == GENERIC_CMD_UPDATE_POSITION) {
1583                 // Not sent by the server if this object is an attachment.
1584                 // We might however get here if the server notices the object being detached before the client.
1585                 m_position = readV3F1000(is);
1586                 m_velocity = readV3F1000(is);
1587                 m_acceleration = readV3F1000(is);
1588                 if(fabs(m_prop.automatic_rotate) < 0.001)
1589                         m_yaw = readF1000(is);
1590                 else
1591                         readF1000(is);
1592                 bool do_interpolate = readU8(is);
1593                 bool is_end_position = readU8(is);
1594                 float update_interval = readF1000(is);
1595
1596                 // Place us a bit higher if we're physical, to not sink into
1597                 // the ground due to sucky collision detection...
1598                 if(m_prop.physical)
1599                         m_position += v3f(0,0.002,0);
1600
1601                 if(getParent() != NULL) // Just in case
1602                         return;
1603
1604                 if(do_interpolate)
1605                 {
1606                         if(!m_prop.physical)
1607                                 pos_translator.update(m_position, is_end_position, update_interval);
1608                 } else {
1609                         pos_translator.init(m_position);
1610                 }
1611                 updateNodePos();
1612         } else if (cmd == GENERIC_CMD_SET_TEXTURE_MOD) {
1613                 std::string mod = deSerializeString(is);
1614
1615                 // immediatly reset a engine issued texture modifier if a mod sends a different one
1616                 if (m_reset_textures_timer > 0) {
1617                         m_reset_textures_timer = -1;
1618                         updateTextures(m_previous_texture_modifier);
1619                 }
1620                 updateTextures(mod);
1621         } else if (cmd == GENERIC_CMD_SET_SPRITE) {
1622                 v2s16 p = readV2S16(is);
1623                 int num_frames = readU16(is);
1624                 float framelength = readF1000(is);
1625                 bool select_horiz_by_yawpitch = readU8(is);
1626
1627                 m_tx_basepos = p;
1628                 m_anim_num_frames = num_frames;
1629                 m_anim_framelength = framelength;
1630                 m_tx_select_horiz_by_yawpitch = select_horiz_by_yawpitch;
1631
1632                 updateTexturePos();
1633         } else if (cmd == GENERIC_CMD_SET_PHYSICS_OVERRIDE) {
1634                 float override_speed = readF1000(is);
1635                 float override_jump = readF1000(is);
1636                 float override_gravity = readF1000(is);
1637                 // these are sent inverted so we get true when the server sends nothing
1638                 bool sneak = !readU8(is);
1639                 bool sneak_glitch = !readU8(is);
1640                 bool new_move = !readU8(is);
1641
1642
1643                 if(m_is_local_player)
1644                 {
1645                         LocalPlayer *player = m_env->getLocalPlayer();
1646                         player->physics_override_speed = override_speed;
1647                         player->physics_override_jump = override_jump;
1648                         player->physics_override_gravity = override_gravity;
1649                         player->physics_override_sneak = sneak;
1650                         player->physics_override_sneak_glitch = sneak_glitch;
1651                         player->physics_override_new_move = new_move;
1652                 }
1653         } else if (cmd == GENERIC_CMD_SET_ANIMATION) {
1654                 // TODO: change frames send as v2s32 value
1655                 v2f range = readV2F1000(is);
1656                 if (!m_is_local_player) {
1657                         m_animation_range = v2s32((s32)range.X, (s32)range.Y);
1658                         m_animation_speed = readF1000(is);
1659                         m_animation_blend = readF1000(is);
1660                         // these are sent inverted so we get true when the server sends nothing
1661                         m_animation_loop = !readU8(is);
1662                         updateAnimation();
1663                 } else {
1664                         LocalPlayer *player = m_env->getLocalPlayer();
1665                         if(player->last_animation == NO_ANIM)
1666                         {
1667                                 m_animation_range = v2s32((s32)range.X, (s32)range.Y);
1668                                 m_animation_speed = readF1000(is);
1669                                 m_animation_blend = readF1000(is);
1670                                 // these are sent inverted so we get true when the server sends nothing
1671                                 m_animation_loop = !readU8(is);
1672                         }
1673                         // update animation only if local animations present
1674                         // and received animation is unknown (except idle animation)
1675                         bool is_known = false;
1676                         for (int i = 1;i<4;i++)
1677                         {
1678                                 if(m_animation_range.Y == player->local_animations[i].Y)
1679                                         is_known = true;
1680                         }
1681                         if(!is_known ||
1682                                         (player->local_animations[1].Y + player->local_animations[2].Y < 1))
1683                         {
1684                                         updateAnimation();
1685                         }
1686                 }
1687         } else if (cmd == GENERIC_CMD_SET_BONE_POSITION) {
1688                 std::string bone = deSerializeString(is);
1689                 v3f position = readV3F1000(is);
1690                 v3f rotation = readV3F1000(is);
1691                 m_bone_position[bone] = core::vector2d<v3f>(position, rotation);
1692
1693                 updateBonePosition();
1694         } else if (cmd == GENERIC_CMD_ATTACH_TO) {
1695                 u16 parentID = readS16(is);
1696                 u16 oldparent = m_env->attachement_parent_ids[getId()];
1697                 if (oldparent) {
1698                         m_children.erase(std::remove(m_children.begin(), m_children.end(),
1699                                 getId()), m_children.end());
1700                 }
1701                 m_env->attachement_parent_ids[getId()] = parentID;
1702                 GenericCAO *parentobj = m_env->getGenericCAO(parentID);
1703
1704                 if (parentobj) {
1705                         parentobj->m_children.push_back(getId());
1706                 }
1707
1708                 m_attachment_bone = deSerializeString(is);
1709                 m_attachment_position = readV3F1000(is);
1710                 m_attachment_rotation = readV3F1000(is);
1711
1712                 // localplayer itself can't be attached to localplayer
1713                 if (!m_is_local_player) {
1714                         m_attached_to_local = getParent() != NULL && getParent()->isLocalPlayer();
1715                         // Objects attached to the local player should be hidden by default
1716                         m_is_visible = !m_attached_to_local;
1717                 }
1718
1719                 updateAttachments();
1720         } else if (cmd == GENERIC_CMD_PUNCHED) {
1721                 /*s16 damage =*/ readS16(is);
1722                 s16 result_hp = readS16(is);
1723
1724                 // Use this instead of the send damage to not interfere with prediction
1725                 s16 damage = m_hp - result_hp;
1726
1727                 m_hp = result_hp;
1728
1729                 if (damage > 0)
1730                 {
1731                         if (m_hp <= 0)
1732                         {
1733                                 // TODO: Execute defined fast response
1734                                 // As there is no definition, make a smoke puff
1735                                 ClientSimpleObject *simple = createSmokePuff(
1736                                                 m_smgr, m_env, m_position,
1737                                                 m_prop.visual_size * BS);
1738                                 m_env->addSimpleObject(simple);
1739                         } else if (m_reset_textures_timer < 0) {
1740                                 // TODO: Execute defined fast response
1741                                 // Flashing shall suffice as there is no definition
1742                                 m_reset_textures_timer = 0.05;
1743                                 if(damage >= 2)
1744                                         m_reset_textures_timer += 0.05 * damage;
1745                                 updateTextures(m_current_texture_modifier + "^[brighten");
1746                         }
1747                 }
1748         } else if (cmd == GENERIC_CMD_UPDATE_ARMOR_GROUPS) {
1749                 m_armor_groups.clear();
1750                 int armor_groups_size = readU16(is);
1751                 for(int i=0; i<armor_groups_size; i++)
1752                 {
1753                         std::string name = deSerializeString(is);
1754                         int rating = readS16(is);
1755                         m_armor_groups[name] = rating;
1756                 }
1757         } else if (cmd == GENERIC_CMD_UPDATE_NAMETAG_ATTRIBUTES) {
1758                 // Deprecated, for backwards compatibility only.
1759                 readU8(is); // version
1760                 m_prop.nametag_color = readARGB8(is);
1761                 if (m_nametag != NULL) {
1762                         m_nametag->nametag_color = m_prop.nametag_color;
1763                 }
1764         } else if (cmd == GENERIC_CMD_SPAWN_INFANT) {
1765                 u16 child_id = readU16(is);
1766                 u8 type = readU8(is);
1767
1768                 if (GenericCAO *childobj = m_env->getGenericCAO(child_id)) {
1769                         childobj->processInitData(deSerializeLongString(is));
1770                 } else {
1771                         m_env->addActiveObject(child_id, type, deSerializeLongString(is));
1772                 }
1773         } else {
1774                 warningstream << FUNCTION_NAME
1775                         << ": unknown command or outdated client \""
1776                         << +cmd << "\"" << std::endl;
1777         }
1778 }
1779
1780 /* \pre punchitem != NULL
1781  */
1782 bool GenericCAO::directReportPunch(v3f dir, const ItemStack *punchitem,
1783                 float time_from_last_punch)
1784 {
1785         assert(punchitem);      // pre-condition
1786         const ToolCapabilities *toolcap =
1787                         &punchitem->getToolCapabilities(m_client->idef());
1788         PunchDamageResult result = getPunchDamage(
1789                         m_armor_groups,
1790                         toolcap,
1791                         punchitem,
1792                         time_from_last_punch);
1793
1794         if(result.did_punch && result.damage != 0)
1795         {
1796                 if(result.damage < m_hp)
1797                 {
1798                         m_hp -= result.damage;
1799                 } else {
1800                         m_hp = 0;
1801                         // TODO: Execute defined fast response
1802                         // As there is no definition, make a smoke puff
1803                         ClientSimpleObject *simple = createSmokePuff(
1804                                         m_smgr, m_env, m_position,
1805                                         m_prop.visual_size * BS);
1806                         m_env->addSimpleObject(simple);
1807                 }
1808                 // TODO: Execute defined fast response
1809                 // Flashing shall suffice as there is no definition
1810                 if (m_reset_textures_timer < 0) {
1811                         m_reset_textures_timer = 0.05;
1812                         if (result.damage >= 2)
1813                                 m_reset_textures_timer += 0.05 * result.damage;
1814                         updateTextures(m_current_texture_modifier + "^[brighten");
1815                 }
1816         }
1817
1818         return false;
1819 }
1820
1821 std::string GenericCAO::debugInfoText()
1822 {
1823         std::ostringstream os(std::ios::binary);
1824         os<<"GenericCAO hp="<<m_hp<<"\n";
1825         os<<"armor={";
1826         for(ItemGroupList::const_iterator i = m_armor_groups.begin();
1827                         i != m_armor_groups.end(); ++i)
1828         {
1829                 os<<i->first<<"="<<i->second<<", ";
1830         }
1831         os<<"}";
1832         return os.str();
1833 }
1834
1835 // Prototype
1836 GenericCAO proto_GenericCAO(NULL, NULL);