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
  48 class Settings;
  49 struct ToolCapabilities;
  50
  51 UNORDERED_MAP<u16, ClientActiveObject::Factory> ClientActiveObject::m_types;
  52
  53 SmoothTranslator::SmoothTranslator():
  54         vect_old(0,0,0),
  55         vect_show(0,0,0),
  56         vect_aim(0,0,0),
  57         anim_counter(0),
  58         anim_time(0),
  59         anim_time_counter(0),
  60         aim_is_end(true)
  61 {}
  62
  63 void SmoothTranslator::init(v3f vect)
  64 {
  65         vect_old = vect;
  66         vect_show = vect;
  67         vect_aim = vect;
  68         anim_counter = 0;
  69         anim_time = 0;
  70         anim_time_counter = 0;
  71         aim_is_end = true;
  72 }
  73
  74 void SmoothTranslator::sharpen()
  75 {
  76         init(vect_show);
  77 }
  78
  79 void SmoothTranslator::update(v3f vect_new, bool is_end_position, float update_interval)
  80 {
  81         aim_is_end = is_end_position;
  82         vect_old = vect_show;
  83         vect_aim = vect_new;
  84         if(update_interval > 0)
  85         {
  86                 anim_time = update_interval;
  87         } else {
  88                 if(anim_time < 0.001 || anim_time > 1.0)
  89                         anim_time = anim_time_counter;
  90                 else
  91                         anim_time = anim_time * 0.9 + anim_time_counter * 0.1;
  92         }
  93         anim_time_counter = 0;
  94         anim_counter = 0;
  95 }
  96
  97 void SmoothTranslator::translate(f32 dtime)
  98 {
  99         anim_time_counter = anim_time_counter + dtime;
 100         anim_counter = anim_counter + dtime;
 101         v3f vect_move = vect_aim - vect_old;
 102         f32 moveratio = 1.0;
 103         if(anim_time > 0.001)
 104                 moveratio = anim_time_counter / anim_time;
 105         // Move a bit less than should, to avoid oscillation
 106         moveratio = moveratio * 0.8;
 107         float move_end = 1.5;
 108         if(aim_is_end)
 109                 move_end = 1.0;
 110         if(moveratio > move_end)
 111                 moveratio = move_end;
 112         vect_show = vect_old + vect_move * moveratio;
 113 }
 114
 115 bool SmoothTranslator::is_moving()
 116 {
 117         return ((anim_time_counter / anim_time) < 1.4);
 118 }
 119
 120 /*
 121         Other stuff
 122 */
 123
 124 static void setBillboardTextureMatrix(scene::IBillboardSceneNode *bill,
 125                 float txs, float tys, int col, int row)
 126 {
 127         video::SMaterial& material = bill->getMaterial(0);
 128         core::matrix4& matrix = material.getTextureMatrix(0);
 129         matrix.setTextureTranslate(txs*col, tys*row);
 130         matrix.setTextureScale(txs, tys);
 131 }
 132
 133 /*
 134         TestCAO
 135 */
 136
 137 class TestCAO : public ClientActiveObject
 138 {
 139 public:
 140         TestCAO(Client *client, ClientEnvironment *env);
 141         virtual ~TestCAO();
 142
 143         ActiveObjectType getType() const
 144         {
 145                 return ACTIVEOBJECT_TYPE_TEST;
 146         }
 147
 148         static ClientActiveObject* create(Client *client, ClientEnvironment *env);
 149
 150         void addToScene(scene::ISceneManager *smgr, ITextureSource *tsrc,
 151                         IrrlichtDevice *irr);
 152         void removeFromScene(bool permanent);
 153         void updateLight(u8 light_at_pos);
 154         v3s16 getLightPosition();
 155         void updateNodePos();
 156
 157         void step(float dtime, ClientEnvironment *env);
 158
 159         void processMessage(const std::string &data);
 160
 161         bool getCollisionBox(aabb3f *toset) const { return false; }
 162 private:
 163         scene::IMeshSceneNode *m_node;
 164         v3f m_position;
 165 };
 166
 167 // Prototype
 168 TestCAO proto_TestCAO(NULL, NULL);
 169
 170 TestCAO::TestCAO(Client *client, ClientEnvironment *env):
 171         ClientActiveObject(0, client, env),
 172         m_node(NULL),
 173         m_position(v3f(0,10*BS,0))
 174 {
 175         ClientActiveObject::registerType(getType(), create);
 176 }
 177
 178 TestCAO::~TestCAO()
 179 {
 180 }
 181
 182 ClientActiveObject* TestCAO::create(Client *client, ClientEnvironment *env)
 183 {
 184         return new TestCAO(client, env);
 185 }
 186
 187 void TestCAO::addToScene(scene::ISceneManager *smgr, ITextureSource *tsrc,
 188                         IrrlichtDevice *irr)
 189 {
 190         if(m_node != NULL)
 191                 return;
 192
 193         //video::IVideoDriver* driver = smgr->getVideoDriver();
 194
 195         scene::SMesh *mesh = new scene::SMesh();
 196         scene::IMeshBuffer *buf = new scene::SMeshBuffer();
 197         video::SColor c(255,255,255,255);
 198         video::S3DVertex vertices[4] =
 199         {
 200                 video::S3DVertex(-BS/2,-BS/4,0, 0,0,0, c, 0,1),
 201                 video::S3DVertex(BS/2,-BS/4,0, 0,0,0, c, 1,1),
 202                 video::S3DVertex(BS/2,BS/4,0, 0,0,0, c, 1,0),
 203                 video::S3DVertex(-BS/2,BS/4,0, 0,0,0, c, 0,0),
 204         };
 205         u16 indices[] = {0,1,2,2,3,0};
 206         buf->append(vertices, 4, indices, 6);
 207         // Set material
 208         buf->getMaterial().setFlag(video::EMF_LIGHTING, false);
 209         buf->getMaterial().setFlag(video::EMF_BACK_FACE_CULLING, false);
 210         buf->getMaterial().setTexture(0, tsrc->getTextureForMesh("rat.png"));
 211         buf->getMaterial().setFlag(video::EMF_BILINEAR_FILTER, false);
 212         buf->getMaterial().setFlag(video::EMF_FOG_ENABLE, true);
 213         buf->getMaterial().MaterialType = video::EMT_TRANSPARENT_ALPHA_CHANNEL;
 214         // Add to mesh
 215         mesh->addMeshBuffer(buf);
 216         buf->drop();
 217         m_node = smgr->addMeshSceneNode(mesh, NULL);
 218         mesh->drop();
 219         updateNodePos();
 220 }
 221
 222 void TestCAO::removeFromScene(bool permanent)
 223 {
 224         if(m_node == NULL)
 225                 return;
 226
 227         m_node->remove();
 228         m_node = NULL;
 229 }
 230
 231 void TestCAO::updateLight(u8 light_at_pos)
 232 {
 233 }
 234
 235 v3s16 TestCAO::getLightPosition()
 236 {
 237         return floatToInt(m_position, BS);
 238 }
 239
 240 void TestCAO::updateNodePos()
 241 {
 242         if(m_node == NULL)
 243                 return;
 244
 245         m_node->setPosition(m_position);
 246         //m_node->setRotation(v3f(0, 45, 0));
 247 }
 248
 249 void TestCAO::step(float dtime, ClientEnvironment *env)
 250 {
 251         if(m_node)
 252         {
 253                 v3f rot = m_node->getRotation();
 254                 //infostream<<"dtime="<<dtime<<", rot.Y="<<rot.Y<<std::endl;
 255                 rot.Y += dtime * 180;
 256                 m_node->setRotation(rot);
 257         }
 258 }
 259
 260 void TestCAO::processMessage(const std::string &data)
 261 {
 262         infostream<<"TestCAO: Got data: "<<data<<std::endl;
 263         std::istringstream is(data, std::ios::binary);
 264         u16 cmd;
 265         is>>cmd;
 266         if(cmd == 0)
 267         {
 268                 v3f newpos;
 269                 is>>newpos.X;
 270                 is>>newpos.Y;
 271                 is>>newpos.Z;
 272                 m_position = newpos;
 273                 updateNodePos();
 274         }
 275 }
 276
 277 /*
 278         ItemCAO
 279 */
 280
 281 class ItemCAO : public ClientActiveObject
 282 {
 283 public:
 284         ItemCAO(Client *client, ClientEnvironment *env);
 285         virtual ~ItemCAO();
 286
 287         ActiveObjectType getType() const
 288         {
 289                 return ACTIVEOBJECT_TYPE_ITEM;
 290         }
 291
 292         static ClientActiveObject* create(Client *client, ClientEnvironment *env);
 293
 294         void addToScene(scene::ISceneManager *smgr, ITextureSource *tsrc,
 295                         IrrlichtDevice *irr);
 296         void removeFromScene(bool permanent);
 297         void updateLight(u8 light_at_pos);
 298         v3s16 getLightPosition();
 299         void updateNodePos();
 300         void updateInfoText();
 301         void updateTexture();
 302
 303         void step(float dtime, ClientEnvironment *env);
 304
 305         void processMessage(const std::string &data);
 306
 307         void initialize(const std::string &data);
 308
 309         aabb3f *getSelectionBox()
 310                 {return &m_selection_box;}
 311         v3f getPosition()
 312                 {return m_position;}
 313         inline float getYaw() const
 314                 {return 0;}
 315         std::string infoText()
 316                 {return m_infotext;}
 317
 318         bool getCollisionBox(aabb3f *toset) const { return false; }
 319 private:
 320         aabb3f m_selection_box;
 321         scene::IMeshSceneNode *m_node;
 322         v3f m_position;
 323         std::string m_itemstring;
 324         std::string m_infotext;
 325 };
 326
 327 #include "inventory.h"
 328
 329 // Prototype
 330 ItemCAO proto_ItemCAO(NULL, NULL);
 331
 332 ItemCAO::ItemCAO(Client *client, ClientEnvironment *env):
 333         ClientActiveObject(0, client, env),
 334         m_selection_box(-BS/3.,0.0,-BS/3., BS/3.,BS*2./3.,BS/3.),
 335         m_node(NULL),
 336         m_position(v3f(0,10*BS,0))
 337 {
 338         if(!client && !env)
 339         {
 340                 ClientActiveObject::registerType(getType(), create);
 341         }
 342 }
 343
 344 ItemCAO::~ItemCAO()
 345 {
 346 }
 347
 348 ClientActiveObject* ItemCAO::create(Client *client, ClientEnvironment *env)
 349 {
 350         return new ItemCAO(client, env);
 351 }
 352
 353 void ItemCAO::addToScene(scene::ISceneManager *smgr, ITextureSource *tsrc,
 354                         IrrlichtDevice *irr)
 355 {
 356         if(m_node != NULL)
 357                 return;
 358
 359         //video::IVideoDriver* driver = smgr->getVideoDriver();
 360
 361         scene::SMesh *mesh = new scene::SMesh();
 362         scene::IMeshBuffer *buf = new scene::SMeshBuffer();
 363         video::SColor c(255,255,255,255);
 364         video::S3DVertex vertices[4] =
 365         {
 366                 /*video::S3DVertex(-BS/2,-BS/4,0, 0,0,0, c, 0,1),
 367                 video::S3DVertex(BS/2,-BS/4,0, 0,0,0, c, 1,1),
 368                 video::S3DVertex(BS/2,BS/4,0, 0,0,0, c, 1,0),
 369                 video::S3DVertex(-BS/2,BS/4,0, 0,0,0, c, 0,0),*/
 370                 video::S3DVertex(BS/3.,0,0, 0,0,0, c, 0,1),
 371                 video::S3DVertex(-BS/3.,0,0, 0,0,0, c, 1,1),
 372                 video::S3DVertex(-BS/3.,0+BS*2./3.,0, 0,0,0, c, 1,0),
 373                 video::S3DVertex(BS/3.,0+BS*2./3.,0, 0,0,0, c, 0,0),
 374         };
 375         u16 indices[] = {0,1,2,2,3,0};
 376         buf->append(vertices, 4, indices, 6);
 377         // Set material
 378         buf->getMaterial().setFlag(video::EMF_LIGHTING, false);
 379         buf->getMaterial().setFlag(video::EMF_BACK_FACE_CULLING, false);
 380         // Initialize with a generated placeholder texture
 381         buf->getMaterial().setTexture(0, tsrc->getTexture(""));
 382         buf->getMaterial().setFlag(video::EMF_BILINEAR_FILTER, false);
 383         buf->getMaterial().setFlag(video::EMF_FOG_ENABLE, true);
 384         buf->getMaterial().MaterialType = video::EMT_TRANSPARENT_ALPHA_CHANNEL;
 385         // Add to mesh
 386         mesh->addMeshBuffer(buf);
 387         buf->drop();
 388         m_node = smgr->addMeshSceneNode(mesh, NULL);
 389         mesh->drop();
 390         updateNodePos();
 391
 392         /*
 393                 Update image of node
 394         */
 395
 396         updateTexture();
 397 }
 398
 399 void ItemCAO::removeFromScene(bool permanent)
 400 {
 401         if(m_node == NULL)
 402                 return;
 403
 404         m_node->remove();
 405         m_node = NULL;
 406 }
 407
 408 void ItemCAO::updateLight(u8 light_at_pos)
 409 {
 410         if(m_node == NULL)
 411                 return;
 412
 413         u8 li = decode_light(light_at_pos);
 414         video::SColor color(255,li,li,li);
 415         setMeshColor(m_node->getMesh(), color);
 416 }
 417
 418 v3s16 ItemCAO::getLightPosition()
 419 {
 420         return floatToInt(m_position + v3f(0,0.5*BS,0), BS);
 421 }
 422
 423 void ItemCAO::updateNodePos()
 424 {
 425         if(m_node == NULL)
 426                 return;
 427
 428         m_node->setPosition(m_position);
 429 }
 430
 431 void ItemCAO::updateInfoText()
 432 {
 433         try{
 434                 IItemDefManager *idef = m_client->idef();
 435                 ItemStack item;
 436                 item.deSerialize(m_itemstring, idef);
 437                 if(item.isKnown(idef))
 438                         m_infotext = item.getDefinition(idef).description;
 439                 else
 440                         m_infotext = "Unknown item: '" + m_itemstring + "'";
 441                 if(item.count >= 2)
 442                         m_infotext += " (" + itos(item.count) + ")";
 443         }
 444         catch(SerializationError &e)
 445         {
 446                 m_infotext = "Unknown item: '" + m_itemstring + "'";
 447         }
 448 }
 449
 450 void ItemCAO::updateTexture()
 451 {
 452         if(m_node == NULL)
 453                 return;
 454
 455         // Create an inventory item to see what is its image
 456         std::istringstream is(m_itemstring, std::ios_base::binary);
 457         video::ITexture *texture = NULL;
 458         try{
 459                 IItemDefManager *idef = m_client->idef();
 460                 ItemStack item;
 461                 item.deSerialize(is, idef);
 462                 texture = idef->getInventoryTexture(item.getDefinition(idef).name, m_client);
 463         }
 464         catch(SerializationError &e)
 465         {
 466                 warningstream<<FUNCTION_NAME
 467                                 <<": error deSerializing itemstring \""
 468                                 <<m_itemstring<<std::endl;
 469         }
 470
 471         // Set meshbuffer texture
 472         m_node->getMaterial(0).setTexture(0, texture);
 473 }
 474
 475
 476 void ItemCAO::step(float dtime, ClientEnvironment *env)
 477 {
 478         if(m_node)
 479         {
 480                 /*v3f rot = m_node->getRotation();
 481                 rot.Y += dtime * 120;
 482                 m_node->setRotation(rot);*/
 483                 LocalPlayer *player = env->getLocalPlayer();
 484                 assert(player);
 485                 v3f rot = m_node->getRotation();
 486                 rot.Y = 180.0 - (player->getYaw());
 487                 m_node->setRotation(rot);
 488         }
 489 }
 490
 491 void ItemCAO::processMessage(const std::string &data)
 492 {
 493         //infostream<<"ItemCAO: Got message"<<std::endl;
 494         std::istringstream is(data, std::ios::binary);
 495         // command
 496         u8 cmd = readU8(is);
 497         if(cmd == 0)
 498         {
 499                 // pos
 500                 m_position = readV3F1000(is);
 501                 updateNodePos();
 502         }
 503         if(cmd == 1)
 504         {
 505                 // itemstring
 506                 m_itemstring = deSerializeString(is);
 507                 updateInfoText();
 508                 updateTexture();
 509         }
 510 }
 511
 512 void ItemCAO::initialize(const std::string &data)
 513 {
 514         infostream<<"ItemCAO: Got init data"<<std::endl;
 515
 516         {
 517                 std::istringstream is(data, std::ios::binary);
 518                 // version
 519                 u8 version = readU8(is);
 520                 // check version
 521                 if(version != 0)
 522                         return;
 523                 // pos
 524                 m_position = readV3F1000(is);
 525                 // itemstring
 526                 m_itemstring = deSerializeString(is);
 527         }
 528
 529         updateNodePos();
 530         updateInfoText();
 531 }
 532
 533 /*
 534         GenericCAO
 535 */
 536
 537 #include "genericobject.h"
 538
 539 GenericCAO::GenericCAO(Client *client, ClientEnvironment *env):
 540                 ClientActiveObject(0, client, env),
 541                 //
 542                 m_is_player(false),
 543                 m_is_local_player(false),
 544                 //
 545                 m_smgr(NULL),
 546                 m_irr(NULL),
 547                 m_client(NULL),
 548                 m_selection_box(-BS/3.,-BS/3.,-BS/3., BS/3.,BS/3.,BS/3.),
 549                 m_meshnode(NULL),
 550                 m_animated_meshnode(NULL),
 551                 m_wield_meshnode(NULL),
 552                 m_spritenode(NULL),
 553                 m_nametag(NULL),
 554                 m_position(v3f(0,10*BS,0)),
 555                 m_velocity(v3f(0,0,0)),
 556                 m_acceleration(v3f(0,0,0)),
 557                 m_yaw(0),
 558                 m_hp(1),
 559                 m_tx_size(1,1),
 560                 m_tx_basepos(0,0),
 561                 m_initial_tx_basepos_set(false),
 562                 m_tx_select_horiz_by_yawpitch(false),
 563                 m_animation_range(v2s32(0,0)),
 564                 m_animation_speed(15),
 565                 m_animation_blend(0),
 566                 m_animation_loop(true),
 567                 m_bone_position(UNORDERED_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_previous_texture_modifier(""),
 578                 m_current_texture_modifier(""),
 579                 m_visuals_expired(false),
 580                 m_step_distance_counter(0),
 581                 m_last_light(255),
 582                 m_is_visible(false)
 583 {
 584         if (client == NULL) {
 585                 ClientActiveObject::registerType(getType(), create);
 586         } else {
 587                 m_client = client;
 588         }
 589 }
 590
 591 bool GenericCAO::getCollisionBox(aabb3f *toset) const
 592 {
 593         if (m_prop.physical)
 594         {
 595                 //update collision box
 596                 toset->MinEdge = m_prop.collisionbox.MinEdge * BS;
 597                 toset->MaxEdge = m_prop.collisionbox.MaxEdge * BS;
 598
 599                 toset->MinEdge += m_position;
 600                 toset->MaxEdge += m_position;
 601
 602                 return true;
 603         }
 604
 605         return false;
 606 }
 607
 608 bool GenericCAO::collideWithObjects() const
 609 {
 610         return m_prop.collideWithObjects;
 611 }
 612
 613 void GenericCAO::initialize(const std::string &data)
 614 {
 615         infostream<<"GenericCAO: Got init data"<<std::endl;
 616         processInitData(data);
 617
 618         if (m_is_player) {
 619                 // Check if it's the current player
 620                 LocalPlayer *player = m_env->getLocalPlayer();
 621                 if (player && strcmp(player->getName(), m_name.c_str()) == 0) {
 622                         m_is_local_player = true;
 623                         m_is_visible = false;
 624                         player->setCAO(this);
 625                 }
 626                 m_env->addPlayerName(m_name.c_str());
 627         }
 628 }
 629
 630 void GenericCAO::processInitData(const std::string &data)
 631 {
 632         std::istringstream is(data, std::ios::binary);
 633         int num_messages = 0;
 634         // version
 635         u8 version = readU8(is);
 636         // check version
 637         if (version == 1) { // In PROTOCOL_VERSION 14
 638                 m_name = deSerializeString(is);
 639                 m_is_player = readU8(is);
 640                 m_id = readS16(is);
 641                 m_position = readV3F1000(is);
 642                 m_yaw = readF1000(is);
 643                 m_hp = readS16(is);
 644                 num_messages = readU8(is);
 645         } else if (version == 0) { // In PROTOCOL_VERSION 13
 646                 m_name = deSerializeString(is);
 647                 m_is_player = readU8(is);
 648                 m_position = readV3F1000(is);
 649                 m_yaw = readF1000(is);
 650                 m_hp = readS16(is);
 651                 num_messages = readU8(is);
 652         } else {
 653                 errorstream<<"GenericCAO: Unsupported init data version"
 654                                 <<std::endl;
 655                 return;
 656         }
 657
 658         for (int i = 0; i < num_messages; i++) {
 659                 std::string message = deSerializeLongString(is);
 660                 processMessage(message);
 661         }
 662
 663         pos_translator.init(m_position);
 664         updateNodePos();
 665 }
 666
 667 GenericCAO::~GenericCAO()
 668 {
 669         if (m_is_player) {
 670                 m_env->removePlayerName(m_name.c_str());
 671         }
 672         removeFromScene(true);
 673 }
 674
 675 aabb3f *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                 scene::ISceneNode *node = getSceneNode();
 686                 if (node)
 687                         return node->getAbsolutePosition();
 688                 else
 689                         return m_position;
 690         }
 691         return pos_translator.vect_show;
 692 }
 693
 694 scene::ISceneNode* GenericCAO::getSceneNode()
 695 {
 696         if (m_meshnode) {
 697                 return m_meshnode;
 698         } else if (m_animated_meshnode) {
 699                 return m_animated_meshnode;
 700         } else if (m_wield_meshnode) {
 701                 return m_wield_meshnode;
 702         } else if (m_spritenode) {
 703                 return m_spritenode;
 704         }
 705         return NULL;
 706 }
 707
 708 scene::IMeshSceneNode* GenericCAO::getMeshSceneNode()
 709 {
 710         return m_meshnode;
 711 }
 712
 713 scene::IAnimatedMeshSceneNode* GenericCAO::getAnimatedMeshSceneNode()
 714 {
 715         return m_animated_meshnode;
 716 }
 717
 718 WieldMeshSceneNode* GenericCAO::getWieldMeshSceneNode()
 719 {
 720         return m_wield_meshnode;
 721 }
 722
 723 scene::IBillboardSceneNode* GenericCAO::getSpriteSceneNode()
 724 {
 725         return m_spritenode;
 726 }
 727
 728 void GenericCAO::setChildrenVisible(bool toset)
 729 {
 730         for (std::vector<u16>::size_type i = 0; i < m_children.size(); i++) {
 731                 GenericCAO *obj = m_env->getGenericCAO(m_children[i]);
 732                 if (obj) {
 733                         obj->setVisible(toset);
 734                 }
 735         }
 736 }
 737
 738 void GenericCAO::setAttachments()
 739 {
 740         updateAttachments();
 741 }
 742
 743 ClientActiveObject* GenericCAO::getParent()
 744 {
 745         ClientActiveObject *obj = NULL;
 746
 747         u16 attached_id = m_env->attachement_parent_ids[getId()];
 748
 749         if ((attached_id != 0) &&
 750                         (attached_id != getId())) {
 751                 obj = m_env->getActiveObject(attached_id);
 752         }
 753         return obj;
 754 }
 755
 756 void GenericCAO::removeFromScene(bool permanent)
 757 {
 758         // Should be true when removing the object permanently and false when refreshing (eg: updating visuals)
 759         if((m_env != NULL) && (permanent))
 760         {
 761                 for (std::vector<u16>::size_type i = 0; i < m_children.size(); i++) {
 762                         u16 ci = m_children[i];
 763                         if (m_env->attachement_parent_ids[ci] == getId()) {
 764                                 m_env->attachement_parent_ids[ci] = 0;
 765                         }
 766                 }
 767
 768                 m_env->attachement_parent_ids[getId()] = 0;
 769
 770                 LocalPlayer* player = m_env->getLocalPlayer();
 771                 if (this == player->parent) {
 772                         player->parent = NULL;
 773                         player->isAttached = false;
 774                 }
 775         }
 776
 777         if (m_meshnode) {
 778                 m_meshnode->remove();
 779                 m_meshnode->drop();
 780                 m_meshnode = NULL;
 781         } else if (m_animated_meshnode) {
 782                 m_animated_meshnode->remove();
 783                 m_animated_meshnode->drop();
 784                 m_animated_meshnode = NULL;
 785         } else if (m_wield_meshnode) {
 786                 m_wield_meshnode->remove();
 787                 m_wield_meshnode->drop();
 788                 m_wield_meshnode = NULL;
 789         } else if (m_spritenode) {
 790                 m_spritenode->remove();
 791                 m_spritenode->drop();
 792                 m_spritenode = NULL;
 793         }
 794
 795         if (m_nametag) {
 796                 m_client->getCamera()->removeNametag(m_nametag);
 797                 m_nametag = NULL;
 798         }
 799 }
 800
 801 void GenericCAO::addToScene(scene::ISceneManager *smgr,
 802                 ITextureSource *tsrc, IrrlichtDevice *irr)
 803 {
 804         m_smgr = smgr;
 805         m_irr = irr;
 806
 807         if (getSceneNode() != NULL) {
 808                 return;
 809         }
 810
 811         m_visuals_expired = false;
 812
 813         if (!m_prop.is_visible) {
 814                 return;
 815         }
 816
 817         if (m_prop.visual == "sprite") {
 818                 infostream<<"GenericCAO::addToScene(): single_sprite"<<std::endl;
 819                 m_spritenode = smgr->addBillboardSceneNode(
 820                                 NULL, v2f(1, 1), v3f(0,0,0), -1);
 821                 m_spritenode->grab();
 822                 m_spritenode->setMaterialTexture(0,
 823                                 tsrc->getTextureForMesh("unknown_node.png"));
 824                 m_spritenode->setMaterialFlag(video::EMF_LIGHTING, false);
 825                 m_spritenode->setMaterialFlag(video::EMF_BILINEAR_FILTER, false);
 826                 m_spritenode->setMaterialType(video::EMT_TRANSPARENT_ALPHA_CHANNEL_REF);
 827                 m_spritenode->setMaterialFlag(video::EMF_FOG_ENABLE, true);
 828                 u8 li = m_last_light;
 829                 m_spritenode->setColor(video::SColor(255,li,li,li));
 830                 m_spritenode->setSize(m_prop.visual_size*BS);
 831                 {
 832                         const float txs = 1.0 / 1;
 833                         const float tys = 1.0 / 1;
 834                         setBillboardTextureMatrix(m_spritenode,
 835                                         txs, tys, 0, 0);
 836                 }
 837         } else if (m_prop.visual == "upright_sprite") {
 838                 scene::SMesh *mesh = new scene::SMesh();
 839                 double dx = BS * m_prop.visual_size.X / 2;
 840                 double dy = BS * m_prop.visual_size.Y / 2;
 841                 u8 li = m_last_light;
 842                 video::SColor c(255, li, li, li);
 843
 844                 { // Front
 845                         scene::IMeshBuffer *buf = new scene::SMeshBuffer();
 846                         video::S3DVertex vertices[4] = {
 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;
 859                         // Add to mesh
 860                         mesh->addMeshBuffer(buf);
 861                         buf->drop();
 862                 }
 863                 { // Back
 864                         scene::IMeshBuffer *buf = new scene::SMeshBuffer();
 865                         video::S3DVertex vertices[4] = {
 866                                 video::S3DVertex( dx,-dy, 0, 0,0,0, c, 1,1),
 867                                 video::S3DVertex(-dx,-dy, 0, 0,0,0, c, 0,1),
 868                                 video::S3DVertex(-dx, dy, 0, 0,0,0, c, 0,0),
 869                                 video::S3DVertex( dx, dy, 0, 0,0,0, c, 1,0),
 870                         };
 871                         u16 indices[] = {0,1,2,2,3,0};
 872                         buf->append(vertices, 4, indices, 6);
 873                         // Set material
 874                         buf->getMaterial().setFlag(video::EMF_LIGHTING, false);
 875                         buf->getMaterial().setFlag(video::EMF_BILINEAR_FILTER, false);
 876                         buf->getMaterial().setFlag(video::EMF_FOG_ENABLE, true);
 877                         buf->getMaterial().MaterialType = video::EMT_TRANSPARENT_ALPHA_CHANNEL_REF;
 878                         // Add to mesh
 879                         mesh->addMeshBuffer(buf);
 880                         buf->drop();
 881                 }
 882                 m_meshnode = smgr->addMeshSceneNode(mesh, NULL);
 883                 m_meshnode->grab();
 884                 mesh->drop();
 885                 // Set it to use the materials of the meshbuffers directly.
 886                 // This is needed for changing the texture in the future
 887                 m_meshnode->setReadOnlyMaterials(true);
 888         }
 889         else if(m_prop.visual == "cube") {
 890                 infostream<<"GenericCAO::addToScene(): cube"<<std::endl;
 891                 scene::IMesh *mesh = createCubeMesh(v3f(BS,BS,BS));
 892                 m_meshnode = smgr->addMeshSceneNode(mesh, NULL);
 893                 m_meshnode->grab();
 894                 mesh->drop();
 895
 896                 m_meshnode->setScale(v3f(m_prop.visual_size.X,
 897                                 m_prop.visual_size.Y,
 898                                 m_prop.visual_size.X));
 899                 u8 li = m_last_light;
 900                 setMeshColor(m_meshnode->getMesh(), video::SColor(255,li,li,li));
 901
 902                 m_meshnode->setMaterialFlag(video::EMF_LIGHTING, false);
 903                 m_meshnode->setMaterialFlag(video::EMF_BILINEAR_FILTER, false);
 904                 m_meshnode->setMaterialType(video::EMT_TRANSPARENT_ALPHA_CHANNEL_REF);
 905                 m_meshnode->setMaterialFlag(video::EMF_FOG_ENABLE, true);
 906         }
 907         else if(m_prop.visual == "mesh") {
 908                 infostream<<"GenericCAO::addToScene(): mesh"<<std::endl;
 909                 scene::IAnimatedMesh *mesh = m_client->getMesh(m_prop.mesh);
 910                 if(mesh)
 911                 {
 912                         m_animated_meshnode = smgr->addAnimatedMeshSceneNode(mesh, NULL);
 913                         m_animated_meshnode->grab();
 914                         mesh->drop(); // The scene node took hold of it
 915                         m_animated_meshnode->animateJoints(); // Needed for some animations
 916                         m_animated_meshnode->setScale(v3f(m_prop.visual_size.X,
 917                                         m_prop.visual_size.Y,
 918                                         m_prop.visual_size.X));
 919                         u8 li = m_last_light;
 920                         setMeshColor(m_animated_meshnode->getMesh(), video::SColor(255,li,li,li));
 921
 922                         bool backface_culling = m_prop.backface_culling;
 923                         if (m_is_player)
 924                                 backface_culling = false;
 925
 926                         m_animated_meshnode->setMaterialFlag(video::EMF_LIGHTING, false);
 927                         m_animated_meshnode->setMaterialFlag(video::EMF_BILINEAR_FILTER, false);
 928                         m_animated_meshnode->setMaterialType(video::EMT_TRANSPARENT_ALPHA_CHANNEL_REF);
 929                         m_animated_meshnode->setMaterialFlag(video::EMF_FOG_ENABLE, true);
 930                         m_animated_meshnode->setMaterialFlag(video::EMF_BACK_FACE_CULLING, backface_culling);
 931                 }
 932                 else
 933                         errorstream<<"GenericCAO::addToScene(): Could not load mesh "<<m_prop.mesh<<std::endl;
 934         }
 935         else if(m_prop.visual == "wielditem") {
 936                 infostream<<"GenericCAO::addToScene(): wielditem"<<std::endl;
 937                 infostream<<"textures: "<<m_prop.textures.size()<<std::endl;
 938                 if(m_prop.textures.size() >= 1){
 939                         infostream<<"textures[0]: "<<m_prop.textures[0]<<std::endl;
 940                         IItemDefManager *idef = m_client->idef();
 941                         ItemStack item(m_prop.textures[0], 1, 0, "", idef);
 942
 943                         m_wield_meshnode = new WieldMeshSceneNode(
 944                                         smgr->getRootSceneNode(), smgr, -1);
 945                         m_wield_meshnode->setItem(item, m_client);
 946
 947                         m_wield_meshnode->setScale(v3f(m_prop.visual_size.X/2,
 948                                         m_prop.visual_size.Y/2,
 949                                         m_prop.visual_size.X/2));
 950                         u8 li = m_last_light;
 951                         m_wield_meshnode->setColor(video::SColor(255,li,li,li));
 952                 }
 953         } else {
 954                 infostream<<"GenericCAO::addToScene(): \""<<m_prop.visual
 955                                 <<"\" not supported"<<std::endl;
 956         }
 957
 958         /* don't update while punch texture modifier is active */
 959         if (m_reset_textures_timer < 0)
 960                 updateTextures(m_current_texture_modifier);
 961
 962         scene::ISceneNode *node = getSceneNode();
 963         if (node && m_prop.nametag != "" && !m_is_local_player) {
 964                 // Add nametag
 965                 m_nametag = m_client->getCamera()->addNametag(node,
 966                         m_prop.nametag, m_prop.nametag_color);
 967         }
 968
 969         updateNodePos();
 970         updateAnimation();
 971         updateBonePosition();
 972         updateAttachments();
 973 }
 974
 975 void GenericCAO::updateLight(u8 light_at_pos)
 976 {
 977         // Don't update light of attached one
 978         if (getParent() != NULL) {
 979                 return;
 980         }
 981
 982         updateLightNoCheck(light_at_pos);
 983
 984         // Update light of all children
 985         for (std::vector<u16>::size_type i = 0; i < m_children.size(); i++) {
 986                 ClientActiveObject *obj = m_env->getActiveObject(m_children[i]);
 987                 if (obj) {
 988                         obj->updateLightNoCheck(light_at_pos);
 989                 }
 990         }
 991 }
 992
 993 void GenericCAO::updateLightNoCheck(u8 light_at_pos)
 994 {
 995         u8 li = decode_light(light_at_pos);
 996         if (li != m_last_light) {
 997                 m_last_light = li;
 998                 video::SColor color(255,li,li,li);
 999                 if (m_meshnode) {
1000                         setMeshColor(m_meshnode->getMesh(), color);
1001                 } else if (m_animated_meshnode) {
1002                         setMeshColor(m_animated_meshnode->getMesh(), color);
1003                 } else if (m_wield_meshnode) {
1004                         m_wield_meshnode->setColor(color);
1005                 } else if (m_spritenode) {
1006                         m_spritenode->setColor(color);
1007                 }
1008         }
1009 }
1010
1011 v3s16 GenericCAO::getLightPosition()
1012 {
1013         return floatToInt(m_position, BS);
1014 }
1015
1016 void GenericCAO::updateNodePos()
1017 {
1018         if (getParent() != NULL)
1019                 return;
1020
1021         scene::ISceneNode *node = getSceneNode();
1022
1023         if (node) {
1024                 v3s16 camera_offset = m_env->getCameraOffset();
1025                 node->setPosition(pos_translator.vect_show - intToFloat(camera_offset, BS));
1026                 if (node != m_spritenode) { // rotate if not a sprite
1027                         v3f rot = node->getRotation();
1028                         rot.Y = -m_yaw;
1029                         node->setRotation(rot);
1030                 }
1031         }
1032 }
1033
1034 void GenericCAO::step(float dtime, ClientEnvironment *env)
1035 {
1036         // Handel model of local player instantly to prevent lags
1037         if(m_is_local_player)
1038         {
1039                 LocalPlayer *player = m_env->getLocalPlayer();
1040
1041                 if (m_is_visible)
1042                 {
1043                         int old_anim = player->last_animation;
1044                         float old_anim_speed = player->last_animation_speed;
1045                         m_position = player->getPosition() + v3f(0,BS,0);
1046                         m_velocity = v3f(0,0,0);
1047                         m_acceleration = v3f(0,0,0);
1048                         pos_translator.vect_show = m_position;
1049                         m_yaw = player->getYaw();
1050                         PlayerControl controls = player->getPlayerControl();
1051
1052                         bool walking = false;
1053                         if (controls.up || controls.down || controls.left || controls.right ||
1054                                         controls.forw_move_joystick_axis != 0.f ||
1055                                         controls.sidew_move_joystick_axis != 0.f)
1056                                 walking = true;
1057
1058                         f32 new_speed = player->local_animation_speed;
1059                         v2s32 new_anim = v2s32(0,0);
1060                         bool allow_update = false;
1061
1062                         // increase speed if using fast or flying fast
1063                         if((g_settings->getBool("fast_move") &&
1064                                         m_client->checkLocalPrivilege("fast")) &&
1065                                         (controls.aux1 ||
1066                                         (!player->touching_ground &&
1067                                         g_settings->getBool("free_move") &&
1068                                         m_client->checkLocalPrivilege("fly"))))
1069                                         new_speed *= 1.5;
1070                         // slowdown speed if sneeking
1071                         if(controls.sneak && walking)
1072                                 new_speed /= 2;
1073
1074                         if(walking && (controls.LMB || controls.RMB))
1075                         {
1076                                 new_anim = player->local_animations[3];
1077                                 player->last_animation = WD_ANIM;
1078                         } else if(walking) {
1079                                 new_anim = player->local_animations[1];
1080                                 player->last_animation = WALK_ANIM;
1081                         } else if(controls.LMB || controls.RMB) {
1082                                 new_anim = player->local_animations[2];
1083                                 player->last_animation = DIG_ANIM;
1084                         }
1085
1086                         // Apply animations if input detected and not attached
1087                         // or set idle animation
1088                         if ((new_anim.X + new_anim.Y) > 0 && !player->isAttached)
1089                         {
1090                                 allow_update = true;
1091                                 m_animation_range = new_anim;
1092                                 m_animation_speed = new_speed;
1093                                 player->last_animation_speed = m_animation_speed;
1094                         } else {
1095                                 player->last_animation = NO_ANIM;
1096
1097                                 if (old_anim != NO_ANIM)
1098                                 {
1099                                         m_animation_range = player->local_animations[0];
1100                                         updateAnimation();
1101                                 }
1102                         }
1103
1104                         // Update local player animations
1105                         if ((player->last_animation != old_anim ||
1106                                 m_animation_speed != old_anim_speed) &&
1107                                 player->last_animation != NO_ANIM && allow_update)
1108                                         updateAnimation();
1109
1110                 }
1111         }
1112
1113         if(m_visuals_expired && m_smgr && m_irr){
1114                 m_visuals_expired = false;
1115
1116                 // Attachments, part 1: All attached objects must be unparented first,
1117                 // or Irrlicht causes a segmentation fault
1118                 for(std::vector<u16>::iterator ci = m_children.begin();
1119                                 ci != m_children.end();)
1120                 {
1121                         if (m_env->attachement_parent_ids[*ci] != getId()) {
1122                                 ci = m_children.erase(ci);
1123                                 continue;
1124                         }
1125                         ClientActiveObject *obj = m_env->getActiveObject(*ci);
1126                         if (obj) {
1127                                 scene::ISceneNode *child_node = obj->getSceneNode();
1128                                 if (child_node)
1129                                         child_node->setParent(m_smgr->getRootSceneNode());
1130                         }
1131                         ++ci;
1132                 }
1133
1134                 removeFromScene(false);
1135                 addToScene(m_smgr, m_client->tsrc(), m_irr);
1136
1137                 // Attachments, part 2: Now that the parent has been refreshed, put its attachments back
1138                 for (std::vector<u16>::size_type i = 0; i < m_children.size(); i++) {
1139                         // Get the object of the child
1140                         ClientActiveObject *obj = m_env->getActiveObject(m_children[i]);
1141                         if (obj)
1142                                 obj->setAttachments();
1143                 }
1144         }
1145
1146         // Make sure m_is_visible is always applied
1147         scene::ISceneNode *node = getSceneNode();
1148         if (node)
1149                 node->setVisible(m_is_visible);
1150
1151         if(getParent() != NULL) // Attachments should be glued to their parent by Irrlicht
1152         {
1153                 // Set these for later
1154                 m_position = getPosition();
1155                 m_velocity = v3f(0,0,0);
1156                 m_acceleration = v3f(0,0,0);
1157                 pos_translator.vect_show = m_position;
1158
1159                 if(m_is_local_player) // Update local player attachment position
1160                 {
1161                         LocalPlayer *player = m_env->getLocalPlayer();
1162                         player->overridePosition = getParent()->getPosition();
1163                         m_env->getLocalPlayer()->parent = getParent();
1164                 }
1165         } else {
1166                 v3f lastpos = pos_translator.vect_show;
1167
1168                 if(m_prop.physical)
1169                 {
1170                         aabb3f box = m_prop.collisionbox;
1171                         box.MinEdge *= BS;
1172                         box.MaxEdge *= BS;
1173                         collisionMoveResult moveresult;
1174                         f32 pos_max_d = BS*0.125; // Distance per iteration
1175                         v3f p_pos = m_position;
1176                         v3f p_velocity = m_velocity;
1177                         moveresult = collisionMoveSimple(env,env->getGameDef(),
1178                                         pos_max_d, box, m_prop.stepheight, dtime,
1179                                         &p_pos, &p_velocity, m_acceleration,
1180                                         this, m_prop.collideWithObjects);
1181                         // Apply results
1182                         m_position = p_pos;
1183                         m_velocity = p_velocity;
1184
1185                         bool is_end_position = moveresult.collides;
1186                         pos_translator.update(m_position, is_end_position, dtime);
1187                         pos_translator.translate(dtime);
1188                         updateNodePos();
1189                 } else {
1190                         m_position += dtime * m_velocity + 0.5 * dtime * dtime * m_acceleration;
1191                         m_velocity += dtime * m_acceleration;
1192                         pos_translator.update(m_position, pos_translator.aim_is_end,
1193                                         pos_translator.anim_time);
1194                         pos_translator.translate(dtime);
1195                         updateNodePos();
1196                 }
1197
1198                 float moved = lastpos.getDistanceFrom(pos_translator.vect_show);
1199                 m_step_distance_counter += moved;
1200                 if(m_step_distance_counter > 1.5*BS)
1201                 {
1202                         m_step_distance_counter = 0;
1203                         if(!m_is_local_player && m_prop.makes_footstep_sound)
1204                         {
1205                                 INodeDefManager *ndef = m_client->ndef();
1206                                 v3s16 p = floatToInt(getPosition() + v3f(0,
1207                                                 (m_prop.collisionbox.MinEdge.Y-0.5)*BS, 0), BS);
1208                                 MapNode n = m_env->getMap().getNodeNoEx(p);
1209                                 SimpleSoundSpec spec = ndef->get(n).sound_footstep;
1210                                 m_client->sound()->playSoundAt(spec, false, getPosition());
1211                         }
1212                 }
1213         }
1214
1215         m_anim_timer += dtime;
1216         if(m_anim_timer >= m_anim_framelength)
1217         {
1218                 m_anim_timer -= m_anim_framelength;
1219                 m_anim_frame++;
1220                 if(m_anim_frame >= m_anim_num_frames)
1221                         m_anim_frame = 0;
1222         }
1223
1224         updateTexturePos();
1225
1226         if(m_reset_textures_timer >= 0)
1227         {
1228                 m_reset_textures_timer -= dtime;
1229                 if(m_reset_textures_timer <= 0) {
1230                         m_reset_textures_timer = -1;
1231                         updateTextures(m_previous_texture_modifier);
1232                 }
1233         }
1234         if(getParent() == NULL && fabs(m_prop.automatic_rotate) > 0.001)
1235         {
1236                 m_yaw += dtime * m_prop.automatic_rotate * 180 / M_PI;
1237                 updateNodePos();
1238         }
1239
1240         if (getParent() == NULL && m_prop.automatic_face_movement_dir &&
1241                         (fabs(m_velocity.Z) > 0.001 || fabs(m_velocity.X) > 0.001))
1242         {
1243                 float optimal_yaw = atan2(m_velocity.Z,m_velocity.X) * 180 / M_PI
1244                                 + m_prop.automatic_face_movement_dir_offset;
1245                 float max_rotation_delta =
1246                                 dtime * m_prop.automatic_face_movement_max_rotation_per_sec;
1247
1248                 if ((m_prop.automatic_face_movement_max_rotation_per_sec > 0) &&
1249                         (fabs(m_yaw - optimal_yaw) > max_rotation_delta)) {
1250
1251                         m_yaw = optimal_yaw < m_yaw ? m_yaw - max_rotation_delta : m_yaw + max_rotation_delta;
1252                 } else {
1253                         m_yaw = optimal_yaw;
1254                 }
1255                 updateNodePos();
1256         }
1257 }
1258
1259 void GenericCAO::updateTexturePos()
1260 {
1261         if(m_spritenode)
1262         {
1263                 scene::ICameraSceneNode* camera =
1264                                 m_spritenode->getSceneManager()->getActiveCamera();
1265                 if(!camera)
1266                         return;
1267                 v3f cam_to_entity = m_spritenode->getAbsolutePosition()
1268                                 - camera->getAbsolutePosition();
1269                 cam_to_entity.normalize();
1270
1271                 int row = m_tx_basepos.Y;
1272                 int col = m_tx_basepos.X;
1273
1274                 if(m_tx_select_horiz_by_yawpitch)
1275                 {
1276                         if(cam_to_entity.Y > 0.75)
1277                                 col += 5;
1278                         else if(cam_to_entity.Y < -0.75)
1279                                 col += 4;
1280                         else{
1281                                 float mob_dir =
1282                                                 atan2(cam_to_entity.Z, cam_to_entity.X) / M_PI * 180.;
1283                                 float dir = mob_dir - m_yaw;
1284                                 dir = wrapDegrees_180(dir);
1285                                 //infostream<<"id="<<m_id<<" dir="<<dir<<std::endl;
1286                                 if(fabs(wrapDegrees_180(dir - 0)) <= 45.1)
1287                                         col += 2;
1288                                 else if(fabs(wrapDegrees_180(dir - 90)) <= 45.1)
1289                                         col += 3;
1290                                 else if(fabs(wrapDegrees_180(dir - 180)) <= 45.1)
1291                                         col += 0;
1292                                 else if(fabs(wrapDegrees_180(dir + 90)) <= 45.1)
1293                                         col += 1;
1294                                 else
1295                                         col += 4;
1296                         }
1297                 }
1298
1299                 // Animation goes downwards
1300                 row += m_anim_frame;
1301
1302                 float txs = m_tx_size.X;
1303                 float tys = m_tx_size.Y;
1304                 setBillboardTextureMatrix(m_spritenode,
1305                                 txs, tys, col, row);
1306         }
1307 }
1308
1309 void GenericCAO::updateTextures(const std::string mod)
1310 {
1311         ITextureSource *tsrc = m_client->tsrc();
1312
1313         bool use_trilinear_filter = g_settings->getBool("trilinear_filter");
1314         bool use_bilinear_filter = g_settings->getBool("bilinear_filter");
1315         bool use_anisotropic_filter = g_settings->getBool("anisotropic_filter");
1316
1317         m_previous_texture_modifier = m_current_texture_modifier;
1318         m_current_texture_modifier = mod;
1319
1320         if(m_spritenode)
1321         {
1322                 if(m_prop.visual == "sprite")
1323                 {
1324                         std::string texturestring = "unknown_node.png";
1325                         if(m_prop.textures.size() >= 1)
1326                                 texturestring = m_prop.textures[0];
1327                         texturestring += mod;
1328                         m_spritenode->setMaterialTexture(0,
1329                                         tsrc->getTextureForMesh(texturestring));
1330
1331                         // This allows setting per-material colors. However, until a real lighting
1332                         // system is added, the code below will have no effect. Once MineTest
1333                         // has directional lighting, it should work automatically.
1334                         if(m_prop.colors.size() >= 1)
1335                         {
1336                                 m_spritenode->getMaterial(0).AmbientColor = m_prop.colors[0];
1337                                 m_spritenode->getMaterial(0).DiffuseColor = m_prop.colors[0];
1338                                 m_spritenode->getMaterial(0).SpecularColor = m_prop.colors[0];
1339                         }
1340
1341                         m_spritenode->getMaterial(0).setFlag(video::EMF_TRILINEAR_FILTER, use_trilinear_filter);
1342                         m_spritenode->getMaterial(0).setFlag(video::EMF_BILINEAR_FILTER, use_bilinear_filter);
1343                         m_spritenode->getMaterial(0).setFlag(video::EMF_ANISOTROPIC_FILTER, use_anisotropic_filter);
1344                 }
1345         }
1346         if(m_animated_meshnode)
1347         {
1348                 if(m_prop.visual == "mesh")
1349                 {
1350                         for (u32 i = 0; i < m_prop.textures.size() &&
1351                                         i < m_animated_meshnode->getMaterialCount(); ++i)
1352                         {
1353                                 std::string texturestring = m_prop.textures[i];
1354                                 if(texturestring == "")
1355                                         continue; // Empty texture string means don't modify that material
1356                                 texturestring += mod;
1357                                 video::ITexture* texture = tsrc->getTextureForMesh(texturestring);
1358                                 if(!texture)
1359                                 {
1360                                         errorstream<<"GenericCAO::updateTextures(): Could not load texture "<<texturestring<<std::endl;
1361                                         continue;
1362                                 }
1363
1364                                 // Set material flags and texture
1365                                 video::SMaterial& material = m_animated_meshnode->getMaterial(i);
1366                                 material.TextureLayer[0].Texture = texture;
1367                                 material.setFlag(video::EMF_LIGHTING, false);
1368                                 material.setFlag(video::EMF_BILINEAR_FILTER, false);
1369
1370                                 m_animated_meshnode->getMaterial(i)
1371                                                 .setFlag(video::EMF_TRILINEAR_FILTER, use_trilinear_filter);
1372                                 m_animated_meshnode->getMaterial(i)
1373                                                 .setFlag(video::EMF_BILINEAR_FILTER, use_bilinear_filter);
1374                                 m_animated_meshnode->getMaterial(i)
1375                                                 .setFlag(video::EMF_ANISOTROPIC_FILTER, use_anisotropic_filter);
1376                         }
1377                         for (u32 i = 0; i < m_prop.colors.size() &&
1378                         i < m_animated_meshnode->getMaterialCount(); ++i)
1379                         {
1380                                 // This allows setting per-material colors. However, until a real lighting
1381                                 // system is added, the code below will have no effect. Once MineTest
1382                                 // has directional lighting, it should work automatically.
1383                                 m_animated_meshnode->getMaterial(i).AmbientColor = m_prop.colors[i];
1384                                 m_animated_meshnode->getMaterial(i).DiffuseColor = m_prop.colors[i];
1385                                 m_animated_meshnode->getMaterial(i).SpecularColor = m_prop.colors[i];
1386                         }
1387                 }
1388         }
1389         if(m_meshnode)
1390         {
1391                 if(m_prop.visual == "cube")
1392                 {
1393                         for (u32 i = 0; i < 6; ++i)
1394                         {
1395                                 std::string texturestring = "unknown_node.png";
1396                                 if(m_prop.textures.size() > i)
1397                                         texturestring = m_prop.textures[i];
1398                                 texturestring += mod;
1399
1400
1401                                 // Set material flags and texture
1402                                 video::SMaterial& material = m_meshnode->getMaterial(i);
1403                                 material.setFlag(video::EMF_LIGHTING, false);
1404                                 material.setFlag(video::EMF_BILINEAR_FILTER, false);
1405                                 material.setTexture(0,
1406                                                 tsrc->getTextureForMesh(texturestring));
1407                                 material.getTextureMatrix(0).makeIdentity();
1408
1409                                 // This allows setting per-material colors. However, until a real lighting
1410                                 // system is added, the code below will have no effect. Once MineTest
1411                                 // has directional lighting, it should work automatically.
1412                                 if(m_prop.colors.size() > i)
1413                                 {
1414                                         m_meshnode->getMaterial(i).AmbientColor = m_prop.colors[i];
1415                                         m_meshnode->getMaterial(i).DiffuseColor = m_prop.colors[i];
1416                                         m_meshnode->getMaterial(i).SpecularColor = m_prop.colors[i];
1417                                 }
1418
1419                                 m_meshnode->getMaterial(i).setFlag(video::EMF_TRILINEAR_FILTER, use_trilinear_filter);
1420                                 m_meshnode->getMaterial(i).setFlag(video::EMF_BILINEAR_FILTER, use_bilinear_filter);
1421                                 m_meshnode->getMaterial(i).setFlag(video::EMF_ANISOTROPIC_FILTER, use_anisotropic_filter);
1422                         }
1423                 }
1424                 else if(m_prop.visual == "upright_sprite")
1425                 {
1426                         scene::IMesh *mesh = m_meshnode->getMesh();
1427                         {
1428                                 std::string tname = "unknown_object.png";
1429                                 if(m_prop.textures.size() >= 1)
1430                                         tname = m_prop.textures[0];
1431                                 tname += mod;
1432                                 scene::IMeshBuffer *buf = mesh->getMeshBuffer(0);
1433                                 buf->getMaterial().setTexture(0,
1434                                                 tsrc->getTextureForMesh(tname));
1435
1436                                 // This allows setting per-material colors. However, until a real lighting
1437                                 // system is added, the code below will have no effect. Once MineTest
1438                                 // has directional lighting, it should work automatically.
1439                                 if(m_prop.colors.size() >= 1)
1440                                 {
1441                                         buf->getMaterial().AmbientColor = m_prop.colors[0];
1442                                         buf->getMaterial().DiffuseColor = m_prop.colors[0];
1443                                         buf->getMaterial().SpecularColor = m_prop.colors[0];
1444                                 }
1445
1446                                 buf->getMaterial().setFlag(video::EMF_TRILINEAR_FILTER, use_trilinear_filter);
1447                                 buf->getMaterial().setFlag(video::EMF_BILINEAR_FILTER, use_bilinear_filter);
1448                                 buf->getMaterial().setFlag(video::EMF_ANISOTROPIC_FILTER, use_anisotropic_filter);
1449                         }
1450                         {
1451                                 std::string tname = "unknown_object.png";
1452                                 if(m_prop.textures.size() >= 2)
1453                                         tname = m_prop.textures[1];
1454                                 else if(m_prop.textures.size() >= 1)
1455                                         tname = m_prop.textures[0];
1456                                 tname += mod;
1457                                 scene::IMeshBuffer *buf = mesh->getMeshBuffer(1);
1458                                 buf->getMaterial().setTexture(0,
1459                                                 tsrc->getTextureForMesh(tname));
1460
1461                                 // This allows setting per-material colors. However, until a real lighting
1462                                 // system is added, the code below will have no effect. Once MineTest
1463                                 // has directional lighting, it should work automatically.
1464                                 if(m_prop.colors.size() >= 2)
1465                                 {
1466                                         buf->getMaterial().AmbientColor = m_prop.colors[1];
1467                                         buf->getMaterial().DiffuseColor = m_prop.colors[1];
1468                                         buf->getMaterial().SpecularColor = m_prop.colors[1];
1469                                 }
1470                                 else if(m_prop.colors.size() >= 1)
1471                                 {
1472                                         buf->getMaterial().AmbientColor = m_prop.colors[0];
1473                                         buf->getMaterial().DiffuseColor = m_prop.colors[0];
1474                                         buf->getMaterial().SpecularColor = m_prop.colors[0];
1475                                 }
1476
1477                                 buf->getMaterial().setFlag(video::EMF_TRILINEAR_FILTER, use_trilinear_filter);
1478                                 buf->getMaterial().setFlag(video::EMF_BILINEAR_FILTER, use_bilinear_filter);
1479                                 buf->getMaterial().setFlag(video::EMF_ANISOTROPIC_FILTER, use_anisotropic_filter);
1480                         }
1481                 }
1482         }
1483 }
1484
1485 void GenericCAO::updateAnimation()
1486 {
1487         if(m_animated_meshnode == NULL)
1488                 return;
1489
1490         if (m_animated_meshnode->getStartFrame() != m_animation_range.X ||
1491                 m_animated_meshnode->getEndFrame() != m_animation_range.Y)
1492                         m_animated_meshnode->setFrameLoop(m_animation_range.X, m_animation_range.Y);
1493         if (m_animated_meshnode->getAnimationSpeed() != m_animation_speed)
1494                 m_animated_meshnode->setAnimationSpeed(m_animation_speed);
1495         m_animated_meshnode->setTransitionTime(m_animation_blend);
1496 // Requires Irrlicht 1.8 or greater
1497 #if (IRRLICHT_VERSION_MAJOR == 1 && IRRLICHT_VERSION_MINOR >= 8) || IRRLICHT_VERSION_MAJOR > 1
1498         if (m_animated_meshnode->getLoopMode() != m_animation_loop)
1499                 m_animated_meshnode->setLoopMode(m_animation_loop);
1500 #endif
1501 }
1502
1503 void GenericCAO::updateBonePosition()
1504 {
1505         if(m_bone_position.empty() || m_animated_meshnode == NULL)
1506                 return;
1507
1508         m_animated_meshnode->setJointMode(irr::scene::EJUOR_CONTROL); // To write positions to the mesh on render
1509         for(UNORDERED_MAP<std::string, core::vector2d<v3f> >::const_iterator
1510                         ii = m_bone_position.begin(); ii != m_bone_position.end(); ++ii) {
1511                 std::string bone_name = (*ii).first;
1512                 v3f bone_pos = (*ii).second.X;
1513                 v3f bone_rot = (*ii).second.Y;
1514                 irr::scene::IBoneSceneNode* bone = m_animated_meshnode->getJointNode(bone_name.c_str());
1515                 if(bone)
1516                 {
1517                         bone->setPosition(bone_pos);
1518                         bone->setRotation(bone_rot);
1519                 }
1520         }
1521 }
1522
1523 void GenericCAO::updateAttachments()
1524 {
1525
1526         if (getParent() == NULL) { // Detach or don't attach
1527                 scene::ISceneNode *node = getSceneNode();
1528                 if (node) {
1529                         v3f old_position = node->getAbsolutePosition();
1530                         v3f old_rotation = node->getRotation();
1531                         node->setParent(m_smgr->getRootSceneNode());
1532                         node->setPosition(old_position);
1533                         node->setRotation(old_rotation);
1534                         node->updateAbsolutePosition();
1535                 }
1536                 if (m_is_local_player) {
1537                         LocalPlayer *player = m_env->getLocalPlayer();
1538                         player->isAttached = false;
1539                 }
1540         }
1541         else // Attach
1542         {
1543                 scene::ISceneNode *my_node = getSceneNode();
1544
1545                 scene::ISceneNode *parent_node = getParent()->getSceneNode();
1546                 scene::IAnimatedMeshSceneNode *parent_animated_mesh_node =
1547                                 getParent()->getAnimatedMeshSceneNode();
1548                 if (parent_animated_mesh_node && m_attachment_bone != "") {
1549                         parent_node = parent_animated_mesh_node->getJointNode(m_attachment_bone.c_str());
1550                 }
1551
1552                 if (my_node && parent_node) {
1553                         my_node->setParent(parent_node);
1554                         my_node->setPosition(m_attachment_position);
1555                         my_node->setRotation(m_attachment_rotation);
1556                         my_node->updateAbsolutePosition();
1557                 }
1558                 if (m_is_local_player) {
1559                         LocalPlayer *player = m_env->getLocalPlayer();
1560                         player->isAttached = true;
1561                 }
1562         }
1563 }
1564
1565 void GenericCAO::processMessage(const std::string &data)
1566 {
1567         //infostream<<"GenericCAO: Got message"<<std::endl;
1568         std::istringstream is(data, std::ios::binary);
1569         // command
1570         u8 cmd = readU8(is);
1571         if (cmd == GENERIC_CMD_SET_PROPERTIES) {
1572                 m_prop = gob_read_set_properties(is);
1573
1574                 m_selection_box = m_prop.collisionbox;
1575                 m_selection_box.MinEdge *= BS;
1576                 m_selection_box.MaxEdge *= BS;
1577
1578                 m_tx_size.X = 1.0 / m_prop.spritediv.X;
1579                 m_tx_size.Y = 1.0 / m_prop.spritediv.Y;
1580
1581                 if(!m_initial_tx_basepos_set){
1582                         m_initial_tx_basepos_set = true;
1583                         m_tx_basepos = m_prop.initial_sprite_basepos;
1584                 }
1585
1586                 if ((m_is_player && !m_is_local_player) && m_prop.nametag == "")
1587                         m_prop.nametag = m_name;
1588
1589                 expireVisuals();
1590         } else if (cmd == GENERIC_CMD_UPDATE_POSITION) {
1591                 // Not sent by the server if this object is an attachment.
1592                 // We might however get here if the server notices the object being detached before the client.
1593                 m_position = readV3F1000(is);
1594                 m_velocity = readV3F1000(is);
1595                 m_acceleration = readV3F1000(is);
1596                 if(fabs(m_prop.automatic_rotate) < 0.001)
1597                         m_yaw = readF1000(is);
1598                 else
1599                         readF1000(is);
1600                 bool do_interpolate = readU8(is);
1601                 bool is_end_position = readU8(is);
1602                 float update_interval = readF1000(is);
1603
1604                 // Place us a bit higher if we're physical, to not sink into
1605                 // the ground due to sucky collision detection...
1606                 if(m_prop.physical)
1607                         m_position += v3f(0,0.002,0);
1608
1609                 if(getParent() != NULL) // Just in case
1610                         return;
1611
1612                 if(do_interpolate)
1613                 {
1614                         if(!m_prop.physical)
1615                                 pos_translator.update(m_position, is_end_position, update_interval);
1616                 } else {
1617                         pos_translator.init(m_position);
1618                 }
1619                 updateNodePos();
1620         } else if (cmd == GENERIC_CMD_SET_TEXTURE_MOD) {
1621                 std::string mod = deSerializeString(is);
1622
1623                 // immediatly reset a engine issued texture modifier if a mod sends a different one
1624                 if (m_reset_textures_timer > 0) {
1625                         m_reset_textures_timer = -1;
1626                         updateTextures(m_previous_texture_modifier);
1627                 }
1628                 updateTextures(mod);
1629         } else if (cmd == GENERIC_CMD_SET_SPRITE) {
1630                 v2s16 p = readV2S16(is);
1631                 int num_frames = readU16(is);
1632                 float framelength = readF1000(is);
1633                 bool select_horiz_by_yawpitch = readU8(is);
1634
1635                 m_tx_basepos = p;
1636                 m_anim_num_frames = num_frames;
1637                 m_anim_framelength = framelength;
1638                 m_tx_select_horiz_by_yawpitch = select_horiz_by_yawpitch;
1639
1640                 updateTexturePos();
1641         } else if (cmd == GENERIC_CMD_SET_PHYSICS_OVERRIDE) {
1642                 float override_speed = readF1000(is);
1643                 float override_jump = readF1000(is);
1644                 float override_gravity = readF1000(is);
1645                 // these are sent inverted so we get true when the server sends nothing
1646                 bool sneak = !readU8(is);
1647                 bool sneak_glitch = !readU8(is);
1648
1649
1650                 if(m_is_local_player)
1651                 {
1652                         LocalPlayer *player = m_env->getLocalPlayer();
1653                         player->physics_override_speed = override_speed;
1654                         player->physics_override_jump = override_jump;
1655                         player->physics_override_gravity = override_gravity;
1656                         player->physics_override_sneak = sneak;
1657                         player->physics_override_sneak_glitch = sneak_glitch;
1658                 }
1659         } else if (cmd == GENERIC_CMD_SET_ANIMATION) {
1660                 // TODO: change frames send as v2s32 value
1661                 v2f range = readV2F1000(is);
1662                 if (!m_is_local_player) {
1663                         m_animation_range = v2s32((s32)range.X, (s32)range.Y);
1664                         m_animation_speed = readF1000(is);
1665                         m_animation_blend = readF1000(is);
1666                         // these are sent inverted so we get true when the server sends nothing
1667                         m_animation_loop = !readU8(is);
1668                         updateAnimation();
1669                 } else {
1670                         LocalPlayer *player = m_env->getLocalPlayer();
1671                         if(player->last_animation == NO_ANIM)
1672                         {
1673                                 m_animation_range = v2s32((s32)range.X, (s32)range.Y);
1674                                 m_animation_speed = readF1000(is);
1675                                 m_animation_blend = readF1000(is);
1676                                 // these are sent inverted so we get true when the server sends nothing
1677                                 m_animation_loop = !readU8(is);
1678                         }
1679                         // update animation only if local animations present
1680                         // and received animation is unknown (except idle animation)
1681                         bool is_known = false;
1682                         for (int i = 1;i<4;i++)
1683                         {
1684                                 if(m_animation_range.Y == player->local_animations[i].Y)
1685                                         is_known = true;
1686                         }
1687                         if(!is_known ||
1688                                         (player->local_animations[1].Y + player->local_animations[2].Y < 1))
1689                         {
1690                                         updateAnimation();
1691                         }
1692                 }
1693         } else if (cmd == GENERIC_CMD_SET_BONE_POSITION) {
1694                 std::string bone = deSerializeString(is);
1695                 v3f position = readV3F1000(is);
1696                 v3f rotation = readV3F1000(is);
1697                 m_bone_position[bone] = core::vector2d<v3f>(position, rotation);
1698
1699                 updateBonePosition();
1700         } else if (cmd == GENERIC_CMD_ATTACH_TO) {
1701                 u16 parentID = readS16(is);
1702                 u16 oldparent = m_env->attachement_parent_ids[getId()];
1703                 if (oldparent) {
1704                         m_children.erase(std::remove(m_children.begin(), m_children.end(),
1705                                 getId()), m_children.end());
1706                 }
1707                 m_env->attachement_parent_ids[getId()] = parentID;
1708                 GenericCAO *parentobj = m_env->getGenericCAO(parentID);
1709
1710                 if (parentobj) {
1711                         parentobj->m_children.push_back(getId());
1712                 }
1713
1714                 m_attachment_bone = deSerializeString(is);
1715                 m_attachment_position = readV3F1000(is);
1716                 m_attachment_rotation = readV3F1000(is);
1717
1718                 // localplayer itself can't be attached to localplayer
1719                 if (!m_is_local_player) {
1720                         m_attached_to_local = getParent() != NULL && getParent()->isLocalPlayer();
1721                         // Objects attached to the local player should be hidden by default
1722                         m_is_visible = !m_attached_to_local;
1723                 }
1724
1725                 updateAttachments();
1726         } else if (cmd == GENERIC_CMD_PUNCHED) {
1727                 /*s16 damage =*/ readS16(is);
1728                 s16 result_hp = readS16(is);
1729
1730                 // Use this instead of the send damage to not interfere with prediction
1731                 s16 damage = m_hp - result_hp;
1732
1733                 m_hp = result_hp;
1734
1735                 if (damage > 0)
1736                 {
1737                         if (m_hp <= 0)
1738                         {
1739                                 // TODO: Execute defined fast response
1740                                 // As there is no definition, make a smoke puff
1741                                 ClientSimpleObject *simple = createSmokePuff(
1742                                                 m_smgr, m_env, m_position,
1743                                                 m_prop.visual_size * BS);
1744                                 m_env->addSimpleObject(simple);
1745                         } else {
1746                                 // TODO: Execute defined fast response
1747                                 // Flashing shall suffice as there is no definition
1748                                 m_reset_textures_timer = 0.05;
1749                                 if(damage >= 2)
1750                                         m_reset_textures_timer += 0.05 * damage;
1751                                 updateTextures(m_current_texture_modifier + "^[brighten");
1752                         }
1753                 }
1754         } else if (cmd == GENERIC_CMD_UPDATE_ARMOR_GROUPS) {
1755                 m_armor_groups.clear();
1756                 int armor_groups_size = readU16(is);
1757                 for(int i=0; i<armor_groups_size; i++)
1758                 {
1759                         std::string name = deSerializeString(is);
1760                         int rating = readS16(is);
1761                         m_armor_groups[name] = rating;
1762                 }
1763         } else if (cmd == GENERIC_CMD_UPDATE_NAMETAG_ATTRIBUTES) {
1764                 // Deprecated, for backwards compatibility only.
1765                 readU8(is); // version
1766                 m_prop.nametag_color = readARGB8(is);
1767                 if (m_nametag != NULL) {
1768                         m_nametag->nametag_color = m_prop.nametag_color;
1769                 }
1770         } else if (cmd == GENERIC_CMD_SPAWN_INFANT) {
1771                 u16 child_id = readU16(is);
1772                 u8 type = readU8(is);
1773
1774                 if (GenericCAO *childobj = m_env->getGenericCAO(child_id)) {
1775                         childobj->processInitData(deSerializeLongString(is));
1776                 } else {
1777                         m_env->addActiveObject(child_id, type, deSerializeLongString(is));
1778                 }
1779         } else {
1780                 warningstream << FUNCTION_NAME
1781                         << ": unknown command or outdated client \""
1782                         << cmd << std::endl;
1783         }
1784 }
1785
1786 /* \pre punchitem != NULL
1787  */
1788 bool GenericCAO::directReportPunch(v3f dir, const ItemStack *punchitem,
1789                 float time_from_last_punch)
1790 {
1791         assert(punchitem);      // pre-condition
1792         const ToolCapabilities *toolcap =
1793                         &punchitem->getToolCapabilities(m_client->idef());
1794         PunchDamageResult result = getPunchDamage(
1795                         m_armor_groups,
1796                         toolcap,
1797                         punchitem,
1798                         time_from_last_punch);
1799
1800         if(result.did_punch && result.damage != 0)
1801         {
1802                 if(result.damage < m_hp)
1803                 {
1804                         m_hp -= result.damage;
1805                 } else {
1806                         m_hp = 0;
1807                         // TODO: Execute defined fast response
1808                         // As there is no definition, make a smoke puff
1809                         ClientSimpleObject *simple = createSmokePuff(
1810                                         m_smgr, m_env, m_position,
1811                                         m_prop.visual_size * BS);
1812                         m_env->addSimpleObject(simple);
1813                 }
1814                 // TODO: Execute defined fast response
1815                 // Flashing shall suffice as there is no definition
1816                 m_reset_textures_timer = 0.05;
1817                 if(result.damage >= 2)
1818                         m_reset_textures_timer += 0.05 * result.damage;
1819                 updateTextures(m_current_texture_modifier + "^[brighten");
1820         }
1821
1822         return false;
1823 }
1824
1825 std::string GenericCAO::debugInfoText()
1826 {
1827         std::ostringstream os(std::ios::binary);
1828         os<<"GenericCAO hp="<<m_hp<<"\n";
1829         os<<"armor={";
1830         for(ItemGroupList::const_iterator i = m_armor_groups.begin();
1831                         i != m_armor_groups.end(); ++i)
1832         {
1833                 os<<i->first<<"="<<i->second<<", ";
1834         }
1835         os<<"}";
1836         return os.str();
1837 }
1838
1839 // Prototype
1840 GenericCAO proto_GenericCAO(NULL, NULL);