src/content_cao.cpp

   1 /*
   2 Minetest
   3 Copyright (C) 2010-2013 celeron55, Perttu Ahola <celeron55@gmail.com>
   4
   5 This program is free software; you can redistribute it and/or modify
   6 it under the terms of the GNU Lesser General Public License as published by
   7 the Free Software Foundation; either version 2.1 of the License, or
   8 (at your option) any later version.
   9
  10 This program is distributed in the hope that it will be useful,
  11 but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13 GNU Lesser General Public License for more details.
  14
  15 You should have received a copy of the GNU Lesser General Public License along
  16 with this program; if not, write to the Free Software Foundation, Inc.,
  17 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  18 */
  19
  20 #include "content_cao.h"
  21 #include "tile.h"
  22 #include "environment.h"
  23 #include "collision.h"
  24 #include "settings.h"
  25 #include <ICameraSceneNode.h>
  26 #include <ITextSceneNode.h>
  27 #include <IBillboardSceneNode.h>
  28 #include "serialization.h" // For decompressZlib
  29 #include "gamedef.h"
  30 #include "clientobject.h"
  31 #include "content_object.h"
  32 #include "mesh.h"
  33 #include "itemdef.h"
  34 #include "tool.h"
  35 #include "content_cso.h"
  36 #include "sound.h"
  37 #include "nodedef.h"
  38 #include "localplayer.h"
  39 #include "util/numeric.h" // For IntervalLimiter
  40 #include "util/serialize.h"
  41 #include "util/mathconstants.h"
  42 #include "map.h"
  43 #include "main.h" // g_settings
  44 #include <IMeshManipulator.h>
  45 #include <IAnimatedMeshSceneNode.h>
  46 #include <IBoneSceneNode.h>
  47
  48 class Settings;
  49 struct ToolCapabilities;
  50
  51 #define PP(x) "("<<(x).X<<","<<(x).Y<<","<<(x).Z<<")"
  52
  53 std::map<u16, ClientActiveObject::Factory> ClientActiveObject::m_types;
  54
  55 /*
  56         SmoothTranslator
  57 */
  58
  59 struct SmoothTranslator
  60 {
  61         v3f vect_old;
  62         v3f vect_show;
  63         v3f vect_aim;
  64         f32 anim_counter;
  65         f32 anim_time;
  66         f32 anim_time_counter;
  67         bool aim_is_end;
  68
  69         SmoothTranslator():
  70                 vect_old(0,0,0),
  71                 vect_show(0,0,0),
  72                 vect_aim(0,0,0),
  73                 anim_counter(0),
  74                 anim_time(0),
  75                 anim_time_counter(0),
  76                 aim_is_end(true)
  77         {}
  78
  79         void init(v3f vect)
  80         {
  81                 vect_old = vect;
  82                 vect_show = vect;
  83                 vect_aim = vect;
  84                 anim_counter = 0;
  85                 anim_time = 0;
  86                 anim_time_counter = 0;
  87                 aim_is_end = true;
  88         }
  89
  90         void sharpen()
  91         {
  92                 init(vect_show);
  93         }
  94
  95         void update(v3f vect_new, bool is_end_position=false, float update_interval=-1)
  96         {
  97                 aim_is_end = is_end_position;
  98                 vect_old = vect_show;
  99                 vect_aim = vect_new;
 100                 if(update_interval > 0){
 101                         anim_time = update_interval;
 102                 } else {
 103                         if(anim_time < 0.001 || anim_time > 1.0)
 104                                 anim_time = anim_time_counter;
 105                         else
 106                                 anim_time = anim_time * 0.9 + anim_time_counter * 0.1;
 107                 }
 108                 anim_time_counter = 0;
 109                 anim_counter = 0;
 110         }
 111
 112         void translate(f32 dtime)
 113         {
 114                 anim_time_counter = anim_time_counter + dtime;
 115                 anim_counter = anim_counter + dtime;
 116                 v3f vect_move = vect_aim - vect_old;
 117                 f32 moveratio = 1.0;
 118                 if(anim_time > 0.001)
 119                         moveratio = anim_time_counter / anim_time;
 120                 // Move a bit less than should, to avoid oscillation
 121                 moveratio = moveratio * 0.8;
 122                 float move_end = 1.5;
 123                 if(aim_is_end)
 124                         move_end = 1.0;
 125                 if(moveratio > move_end)
 126                         moveratio = move_end;
 127                 vect_show = vect_old + vect_move * moveratio;
 128         }
 129
 130         bool is_moving()
 131         {
 132                 return ((anim_time_counter / anim_time) < 1.4);
 133         }
 134 };
 135
 136 /*
 137         Other stuff
 138 */
 139
 140 static void setBillboardTextureMatrix(scene::IBillboardSceneNode *bill,
 141                 float txs, float tys, int col, int row)
 142 {
 143         video::SMaterial& material = bill->getMaterial(0);
 144         core::matrix4& matrix = material.getTextureMatrix(0);
 145         matrix.setTextureTranslate(txs*col, tys*row);
 146         matrix.setTextureScale(txs, tys);
 147 }
 148
 149 /*
 150         TestCAO
 151 */
 152
 153 class TestCAO : public ClientActiveObject
 154 {
 155 public:
 156         TestCAO(IGameDef *gamedef, ClientEnvironment *env);
 157         virtual ~TestCAO();
 158
 159         u8 getType() const
 160         {
 161                 return ACTIVEOBJECT_TYPE_TEST;
 162         }
 163
 164         static ClientActiveObject* create(IGameDef *gamedef, ClientEnvironment *env);
 165
 166         void addToScene(scene::ISceneManager *smgr, ITextureSource *tsrc,
 167                         IrrlichtDevice *irr);
 168         void removeFromScene();
 169         void updateLight(u8 light_at_pos);
 170         v3s16 getLightPosition();
 171         void updateNodePos();
 172
 173         void step(float dtime, ClientEnvironment *env);
 174
 175         void processMessage(const std::string &data);
 176
 177         bool getCollisionBox(aabb3f *toset) { return false; }
 178 private:
 179         scene::IMeshSceneNode *m_node;
 180         v3f m_position;
 181 };
 182
 183 // Prototype
 184 TestCAO proto_TestCAO(NULL, NULL);
 185
 186 TestCAO::TestCAO(IGameDef *gamedef, ClientEnvironment *env):
 187         ClientActiveObject(0, gamedef, env),
 188         m_node(NULL),
 189         m_position(v3f(0,10*BS,0))
 190 {
 191         ClientActiveObject::registerType(getType(), create);
 192 }
 193
 194 TestCAO::~TestCAO()
 195 {
 196 }
 197
 198 ClientActiveObject* TestCAO::create(IGameDef *gamedef, ClientEnvironment *env)
 199 {
 200         return new TestCAO(gamedef, env);
 201 }
 202
 203 void TestCAO::addToScene(scene::ISceneManager *smgr, ITextureSource *tsrc,
 204                         IrrlichtDevice *irr)
 205 {
 206         if(m_node != NULL)
 207                 return;
 208
 209         //video::IVideoDriver* driver = smgr->getVideoDriver();
 210
 211         scene::SMesh *mesh = new scene::SMesh();
 212         scene::IMeshBuffer *buf = new scene::SMeshBuffer();
 213         video::SColor c(255,255,255,255);
 214         video::S3DVertex vertices[4] =
 215         {
 216                 video::S3DVertex(-BS/2,-BS/4,0, 0,0,0, c, 0,1),
 217                 video::S3DVertex(BS/2,-BS/4,0, 0,0,0, c, 1,1),
 218                 video::S3DVertex(BS/2,BS/4,0, 0,0,0, c, 1,0),
 219                 video::S3DVertex(-BS/2,BS/4,0, 0,0,0, c, 0,0),
 220         };
 221         u16 indices[] = {0,1,2,2,3,0};
 222         buf->append(vertices, 4, indices, 6);
 223         // Set material
 224         buf->getMaterial().setFlag(video::EMF_LIGHTING, false);
 225         buf->getMaterial().setFlag(video::EMF_BACK_FACE_CULLING, false);
 226         buf->getMaterial().setTexture(0, tsrc->getTexture("rat.png"));
 227         buf->getMaterial().setFlag(video::EMF_BILINEAR_FILTER, false);
 228         buf->getMaterial().setFlag(video::EMF_FOG_ENABLE, true);
 229         buf->getMaterial().MaterialType = video::EMT_TRANSPARENT_ALPHA_CHANNEL;
 230         // Add to mesh
 231         mesh->addMeshBuffer(buf);
 232         buf->drop();
 233         m_node = smgr->addMeshSceneNode(mesh, NULL);
 234         mesh->drop();
 235         updateNodePos();
 236 }
 237
 238 void TestCAO::removeFromScene()
 239 {
 240         if(m_node == NULL)
 241                 return;
 242
 243         m_node->remove();
 244         m_node = NULL;
 245 }
 246
 247 void TestCAO::updateLight(u8 light_at_pos)
 248 {
 249 }
 250
 251 v3s16 TestCAO::getLightPosition()
 252 {
 253         return floatToInt(m_position, BS);
 254 }
 255
 256 void TestCAO::updateNodePos()
 257 {
 258         if(m_node == NULL)
 259                 return;
 260
 261         m_node->setPosition(m_position);
 262         //m_node->setRotation(v3f(0, 45, 0));
 263 }
 264
 265 void TestCAO::step(float dtime, ClientEnvironment *env)
 266 {
 267         if(m_node)
 268         {
 269                 v3f rot = m_node->getRotation();
 270                 //infostream<<"dtime="<<dtime<<", rot.Y="<<rot.Y<<std::endl;
 271                 rot.Y += dtime * 180;
 272                 m_node->setRotation(rot);
 273         }
 274 }
 275
 276 void TestCAO::processMessage(const std::string &data)
 277 {
 278         infostream<<"TestCAO: Got data: "<<data<<std::endl;
 279         std::istringstream is(data, std::ios::binary);
 280         u16 cmd;
 281         is>>cmd;
 282         if(cmd == 0)
 283         {
 284                 v3f newpos;
 285                 is>>newpos.X;
 286                 is>>newpos.Y;
 287                 is>>newpos.Z;
 288                 m_position = newpos;
 289                 updateNodePos();
 290         }
 291 }
 292
 293 /*
 294         ItemCAO
 295 */
 296
 297 class ItemCAO : public ClientActiveObject
 298 {
 299 public:
 300         ItemCAO(IGameDef *gamedef, ClientEnvironment *env);
 301         virtual ~ItemCAO();
 302
 303         u8 getType() const
 304         {
 305                 return ACTIVEOBJECT_TYPE_ITEM;
 306         }
 307
 308         static ClientActiveObject* create(IGameDef *gamedef, ClientEnvironment *env);
 309
 310         void addToScene(scene::ISceneManager *smgr, ITextureSource *tsrc,
 311                         IrrlichtDevice *irr);
 312         void removeFromScene();
 313         void updateLight(u8 light_at_pos);
 314         v3s16 getLightPosition();
 315         void updateNodePos();
 316         void updateInfoText();
 317         void updateTexture();
 318
 319         void step(float dtime, ClientEnvironment *env);
 320
 321         void processMessage(const std::string &data);
 322
 323         void initialize(const std::string &data);
 324
 325         core::aabbox3d<f32>* getSelectionBox()
 326                 {return &m_selection_box;}
 327         v3f getPosition()
 328                 {return m_position;}
 329
 330         std::string infoText()
 331                 {return m_infotext;}
 332
 333         bool getCollisionBox(aabb3f *toset) { return false; }
 334 private:
 335         core::aabbox3d<f32> m_selection_box;
 336         scene::IMeshSceneNode *m_node;
 337         v3f m_position;
 338         std::string m_itemstring;
 339         std::string m_infotext;
 340 };
 341
 342 #include "inventory.h"
 343
 344 // Prototype
 345 ItemCAO proto_ItemCAO(NULL, NULL);
 346
 347 ItemCAO::ItemCAO(IGameDef *gamedef, ClientEnvironment *env):
 348         ClientActiveObject(0, gamedef, env),
 349         m_selection_box(-BS/3.,0.0,-BS/3., BS/3.,BS*2./3.,BS/3.),
 350         m_node(NULL),
 351         m_position(v3f(0,10*BS,0))
 352 {
 353         if(!gamedef && !env)
 354         {
 355                 ClientActiveObject::registerType(getType(), create);
 356         }
 357 }
 358
 359 ItemCAO::~ItemCAO()
 360 {
 361 }
 362
 363 ClientActiveObject* ItemCAO::create(IGameDef *gamedef, ClientEnvironment *env)
 364 {
 365         return new ItemCAO(gamedef, env);
 366 }
 367
 368 void ItemCAO::addToScene(scene::ISceneManager *smgr, ITextureSource *tsrc,
 369                         IrrlichtDevice *irr)
 370 {
 371         if(m_node != NULL)
 372                 return;
 373
 374         //video::IVideoDriver* driver = smgr->getVideoDriver();
 375
 376         scene::SMesh *mesh = new scene::SMesh();
 377         scene::IMeshBuffer *buf = new scene::SMeshBuffer();
 378         video::SColor c(255,255,255,255);
 379         video::S3DVertex vertices[4] =
 380         {
 381                 /*video::S3DVertex(-BS/2,-BS/4,0, 0,0,0, c, 0,1),
 382                 video::S3DVertex(BS/2,-BS/4,0, 0,0,0, c, 1,1),
 383                 video::S3DVertex(BS/2,BS/4,0, 0,0,0, c, 1,0),
 384                 video::S3DVertex(-BS/2,BS/4,0, 0,0,0, c, 0,0),*/
 385                 video::S3DVertex(BS/3.,0,0, 0,0,0, c, 0,1),
 386                 video::S3DVertex(-BS/3.,0,0, 0,0,0, c, 1,1),
 387                 video::S3DVertex(-BS/3.,0+BS*2./3.,0, 0,0,0, c, 1,0),
 388                 video::S3DVertex(BS/3.,0+BS*2./3.,0, 0,0,0, c, 0,0),
 389         };
 390         u16 indices[] = {0,1,2,2,3,0};
 391         buf->append(vertices, 4, indices, 6);
 392         // Set material
 393         buf->getMaterial().setFlag(video::EMF_LIGHTING, false);
 394         buf->getMaterial().setFlag(video::EMF_BACK_FACE_CULLING, false);
 395         // Initialize with a generated placeholder texture
 396         buf->getMaterial().setTexture(0, tsrc->getTexture(""));
 397         buf->getMaterial().setFlag(video::EMF_BILINEAR_FILTER, false);
 398         buf->getMaterial().setFlag(video::EMF_FOG_ENABLE, true);
 399         buf->getMaterial().MaterialType = video::EMT_TRANSPARENT_ALPHA_CHANNEL;
 400         // Add to mesh
 401         mesh->addMeshBuffer(buf);
 402         buf->drop();
 403         m_node = smgr->addMeshSceneNode(mesh, NULL);
 404         mesh->drop();
 405         updateNodePos();
 406
 407         /*
 408                 Update image of node
 409         */
 410
 411         updateTexture();
 412 }
 413
 414 void ItemCAO::removeFromScene()
 415 {
 416         if(m_node == NULL)
 417                 return;
 418
 419         m_node->remove();
 420         m_node = NULL;
 421 }
 422
 423 void ItemCAO::updateLight(u8 light_at_pos)
 424 {
 425         if(m_node == NULL)
 426                 return;
 427
 428         u8 li = decode_light(light_at_pos);
 429         video::SColor color(255,li,li,li);
 430         setMeshColor(m_node->getMesh(), color);
 431 }
 432
 433 v3s16 ItemCAO::getLightPosition()
 434 {
 435         return floatToInt(m_position + v3f(0,0.5*BS,0), BS);
 436 }
 437
 438 void ItemCAO::updateNodePos()
 439 {
 440         if(m_node == NULL)
 441                 return;
 442
 443         m_node->setPosition(m_position);
 444 }
 445
 446 void ItemCAO::updateInfoText()
 447 {
 448         try{
 449                 IItemDefManager *idef = m_gamedef->idef();
 450                 ItemStack item;
 451                 item.deSerialize(m_itemstring, idef);
 452                 if(item.isKnown(idef))
 453                         m_infotext = item.getDefinition(idef).description;
 454                 else
 455                         m_infotext = "Unknown item: '" + m_itemstring + "'";
 456                 if(item.count >= 2)
 457                         m_infotext += " (" + itos(item.count) + ")";
 458         }
 459         catch(SerializationError &e)
 460         {
 461                 m_infotext = "Unknown item: '" + m_itemstring + "'";
 462         }
 463 }
 464
 465 void ItemCAO::updateTexture()
 466 {
 467         if(m_node == NULL)
 468                 return;
 469
 470         // Create an inventory item to see what is its image
 471         std::istringstream is(m_itemstring, std::ios_base::binary);
 472         video::ITexture *texture = NULL;
 473         try{
 474                 IItemDefManager *idef = m_gamedef->idef();
 475                 ItemStack item;
 476                 item.deSerialize(is, idef);
 477                 texture = idef->getInventoryTexture(item.getDefinition(idef).name, m_gamedef);
 478         }
 479         catch(SerializationError &e)
 480         {
 481                 infostream<<"WARNING: "<<__FUNCTION_NAME
 482                                 <<": error deSerializing itemstring \""
 483                                 <<m_itemstring<<std::endl;
 484         }
 485
 486         // Set meshbuffer texture
 487         m_node->getMaterial(0).setTexture(0, texture);
 488 }
 489
 490
 491 void ItemCAO::step(float dtime, ClientEnvironment *env)
 492 {
 493         if(m_node)
 494         {
 495                 /*v3f rot = m_node->getRotation();
 496                 rot.Y += dtime * 120;
 497                 m_node->setRotation(rot);*/
 498                 LocalPlayer *player = env->getLocalPlayer();
 499                 assert(player);
 500                 v3f rot = m_node->getRotation();
 501                 rot.Y = 180.0 - (player->getYaw());
 502                 m_node->setRotation(rot);
 503         }
 504 }
 505
 506 void ItemCAO::processMessage(const std::string &data)
 507 {
 508         //infostream<<"ItemCAO: Got message"<<std::endl;
 509         std::istringstream is(data, std::ios::binary);
 510         // command
 511         u8 cmd = readU8(is);
 512         if(cmd == 0)
 513         {
 514                 // pos
 515                 m_position = readV3F1000(is);
 516                 updateNodePos();
 517         }
 518         if(cmd == 1)
 519         {
 520                 // itemstring
 521                 m_itemstring = deSerializeString(is);
 522                 updateInfoText();
 523                 updateTexture();
 524         }
 525 }
 526
 527 void ItemCAO::initialize(const std::string &data)
 528 {
 529         infostream<<"ItemCAO: Got init data"<<std::endl;
 530
 531         {
 532                 std::istringstream is(data, std::ios::binary);
 533                 // version
 534                 u8 version = readU8(is);
 535                 // check version
 536                 if(version != 0)
 537                         return;
 538                 // pos
 539                 m_position = readV3F1000(is);
 540                 // itemstring
 541                 m_itemstring = deSerializeString(is);
 542         }
 543
 544         updateNodePos();
 545         updateInfoText();
 546 }
 547
 548 /*
 549         GenericCAO
 550 */
 551
 552 #include "genericobject.h"
 553
 554 class GenericCAO : public ClientActiveObject
 555 {
 556 private:
 557         // Only set at initialization
 558         std::string m_name;
 559         bool m_is_player;
 560         bool m_is_local_player;
 561         int m_id;
 562         // Property-ish things
 563         ObjectProperties m_prop;
 564         //
 565         scene::ISceneManager *m_smgr;
 566         IrrlichtDevice *m_irr;
 567         core::aabbox3d<f32> m_selection_box;
 568         scene::IMeshSceneNode *m_meshnode;
 569         scene::IAnimatedMeshSceneNode *m_animated_meshnode;
 570         scene::IBillboardSceneNode *m_spritenode;
 571         scene::ITextSceneNode* m_textnode;
 572         v3f m_position;
 573         v3f m_velocity;
 574         v3f m_acceleration;
 575         float m_yaw;
 576         s16 m_hp;
 577         SmoothTranslator pos_translator;
 578         // Spritesheet/animation stuff
 579         v2f m_tx_size;
 580         v2s16 m_tx_basepos;
 581         bool m_initial_tx_basepos_set;
 582         bool m_tx_select_horiz_by_yawpitch;
 583         v2f m_animation_range;
 584         int m_animation_speed;
 585         int m_animation_blend;
 586         std::map<std::string, core::vector2d<v3f> > m_bone_position; // stores position and rotation for each bone name
 587         std::string m_attachment_bone;
 588         v3f m_attachment_position;
 589         v3f m_attachment_rotation;
 590         bool m_attached_to_local;
 591         int m_anim_frame;
 592         int m_anim_num_frames;
 593         float m_anim_framelength;
 594         float m_anim_timer;
 595         ItemGroupList m_armor_groups;
 596         float m_reset_textures_timer;
 597         bool m_visuals_expired;
 598         float m_step_distance_counter;
 599         u8 m_last_light;
 600         bool m_is_visible;
 601
 602 public:
 603         GenericCAO(IGameDef *gamedef, ClientEnvironment *env):
 604                 ClientActiveObject(0, gamedef, env),
 605                 //
 606                 m_is_player(false),
 607                 m_is_local_player(false),
 608                 m_id(0),
 609                 //
 610                 m_smgr(NULL),
 611                 m_irr(NULL),
 612                 m_selection_box(-BS/3.,-BS/3.,-BS/3., BS/3.,BS/3.,BS/3.),
 613                 m_meshnode(NULL),
 614                 m_animated_meshnode(NULL),
 615                 m_spritenode(NULL),
 616                 m_textnode(NULL),
 617                 m_position(v3f(0,10*BS,0)),
 618                 m_velocity(v3f(0,0,0)),
 619                 m_acceleration(v3f(0,0,0)),
 620                 m_yaw(0),
 621                 m_hp(1),
 622                 m_tx_size(1,1),
 623                 m_tx_basepos(0,0),
 624                 m_initial_tx_basepos_set(false),
 625                 m_tx_select_horiz_by_yawpitch(false),
 626                 m_animation_range(v2f(0,0)),
 627                 m_animation_speed(15),
 628                 m_animation_blend(0),
 629                 m_bone_position(std::map<std::string, core::vector2d<v3f> >()),
 630                 m_attachment_bone(""),
 631                 m_attachment_position(v3f(0,0,0)),
 632                 m_attachment_rotation(v3f(0,0,0)),
 633                 m_attached_to_local(false),
 634                 m_anim_frame(0),
 635                 m_anim_num_frames(1),
 636                 m_anim_framelength(0.2),
 637                 m_anim_timer(0),
 638                 m_reset_textures_timer(-1),
 639                 m_visuals_expired(false),
 640                 m_step_distance_counter(0),
 641                 m_last_light(255),
 642                 m_is_visible(false)
 643         {
 644                 if(gamedef == NULL)
 645                         ClientActiveObject::registerType(getType(), create);
 646         }
 647
 648         bool getCollisionBox(aabb3f *toset) {
 649                 if (m_prop.physical) {
 650                         aabb3f retval;
 651                         //update collision box
 652                         toset->MinEdge = m_prop.collisionbox.MinEdge * BS;
 653                         toset->MaxEdge = m_prop.collisionbox.MaxEdge * BS;
 654
 655                         toset->MinEdge += m_position;
 656                         toset->MaxEdge += m_position;
 657
 658                         return true;
 659                 }
 660
 661                 return false;
 662         }
 663
 664         bool collideWithObjects() {
 665                 return m_prop.collideWithObjects;
 666         }
 667
 668         void initialize(const std::string &data)
 669         {
 670                 infostream<<"GenericCAO: Got init data"<<std::endl;
 671                 std::istringstream is(data, std::ios::binary);
 672                 int num_messages = 0;
 673                 // version
 674                 u8 version = readU8(is);
 675                 // check version
 676                 if(version == 1) // In PROTOCOL_VERSION 14
 677                 {
 678                         m_name = deSerializeString(is);
 679                         m_is_player = readU8(is);
 680                         m_id = readS16(is);
 681                         m_position = readV3F1000(is);
 682                         m_yaw = readF1000(is);
 683                         m_hp = readS16(is);
 684                         num_messages = readU8(is);
 685                 }
 686                 else if(version == 0) // In PROTOCOL_VERSION 13
 687                 {
 688                         m_name = deSerializeString(is);
 689                         m_is_player = readU8(is);
 690                         m_position = readV3F1000(is);
 691                         m_yaw = readF1000(is);
 692                         m_hp = readS16(is);
 693                         num_messages = readU8(is);
 694                 }
 695                 else
 696                 {
 697                         errorstream<<"GenericCAO: Unsupported init data version"
 698                                         <<std::endl;
 699                         return;
 700                 }
 701
 702                 for(int i=0; i<num_messages; i++){
 703                         std::string message = deSerializeLongString(is);
 704                         processMessage(message);
 705                 }
 706
 707                 pos_translator.init(m_position);
 708                 updateNodePos();
 709
 710                 if(m_is_player){
 711                         Player *player = m_env->getPlayer(m_name.c_str());
 712                         if(player && player->isLocal()){
 713                                 m_is_local_player = true;
 714                         }
 715                         m_env->addPlayerName(m_name.c_str());
 716                 }
 717         }
 718
 719         ~GenericCAO()
 720         {
 721                 if(m_is_player){
 722                         m_env->removePlayerName(m_name.c_str());
 723                 }
 724         }
 725
 726         static ClientActiveObject* create(IGameDef *gamedef, ClientEnvironment *env)
 727         {
 728                 return new GenericCAO(gamedef, env);
 729         }
 730
 731         u8 getType() const
 732         {
 733                 return ACTIVEOBJECT_TYPE_GENERIC;
 734         }
 735         core::aabbox3d<f32>* getSelectionBox()
 736         {
 737                 if(!m_prop.is_visible || !m_is_visible || m_is_local_player || getParent() != NULL)
 738                         return NULL;
 739                 return &m_selection_box;
 740         }
 741         v3f getPosition()
 742         {
 743                 if(getParent() != NULL){
 744                         if(m_meshnode)
 745                                 return m_meshnode->getAbsolutePosition();
 746                         if(m_animated_meshnode)
 747                                 return m_animated_meshnode->getAbsolutePosition();
 748                         if(m_spritenode)
 749                                 return m_spritenode->getAbsolutePosition();
 750                         return m_position;
 751                 }
 752                 return pos_translator.vect_show;
 753         }
 754
 755         scene::IMeshSceneNode *getMeshSceneNode()
 756         {
 757                 if(m_meshnode)
 758                         return m_meshnode;
 759                 return NULL;
 760         }
 761
 762         scene::IAnimatedMeshSceneNode *getAnimatedMeshSceneNode()
 763         {
 764                 if(m_animated_meshnode)
 765                         return m_animated_meshnode;
 766                 return NULL;
 767         }
 768
 769         scene::IBillboardSceneNode *getSpriteSceneNode()
 770         {
 771                 if(m_spritenode)
 772                         return m_spritenode;
 773                 return NULL;
 774         }
 775
 776         bool isPlayer()
 777         {
 778                 return m_is_player;
 779         }
 780
 781         bool isLocalPlayer()
 782         {
 783                 return m_is_local_player;
 784         }
 785
 786         void setAttachments()
 787         {
 788                 updateAttachments();
 789         }
 790
 791         ClientActiveObject *getParent()
 792         {
 793                 ClientActiveObject *obj = NULL;
 794                 for(std::vector<core::vector2d<int> >::const_iterator cii = m_env->attachment_list.begin(); cii != m_env->attachment_list.end(); cii++)
 795                 {
 796                         if(cii->X == getId()){ // This ID is our child
 797                                 if(cii->Y > 0){ // A parent ID exists for our child
 798                                         if(cii->X != cii->Y){ // The parent and child ID are not the same
 799                                                 obj = m_env->getActiveObject(cii->Y);
 800                                         }
 801                                 }
 802                                 break;
 803                         }
 804                 }
 805                 if(obj)
 806                         return obj;
 807                 return NULL;
 808         }
 809
 810         void removeFromScene(bool permanent)
 811         {
 812                 if(permanent) // Should be true when removing the object permanently and false when refreshing (eg: updating visuals)
 813                 {
 814                         // Detach this object's children
 815                         for(std::vector<core::vector2d<int> >::iterator ii = m_env->attachment_list.begin(); ii != m_env->attachment_list.end(); ii++)
 816                         {
 817                                 if(ii->Y == getId()) // Is a child of our object
 818                                 {
 819                                         ii->Y = 0;
 820                                         ClientActiveObject *obj = m_env->getActiveObject(ii->X); // Get the object of the child
 821                                         if(obj)
 822                                                 obj->setAttachments();
 823                                 }
 824                         }
 825                         // Delete this object from the attachments list
 826                         for(std::vector<core::vector2d<int> >::iterator ii = m_env->attachment_list.begin(); ii != m_env->attachment_list.end(); ii++)
 827                         {
 828                                 if(ii->X == getId()) // Is our object
 829                                 {
 830                                         m_env->attachment_list.erase(ii);
 831                                         break;
 832                                 }
 833                         }
 834                 }
 835
 836                 if(m_meshnode){
 837                         m_meshnode->remove();
 838                         m_meshnode = NULL;
 839                 }
 840                 if(m_animated_meshnode){
 841                         m_animated_meshnode->remove();
 842                         m_animated_meshnode = NULL;
 843                 }
 844                 if(m_spritenode){
 845                         m_spritenode->remove();
 846                         m_spritenode = NULL;
 847                 }
 848         }
 849
 850         void addToScene(scene::ISceneManager *smgr, ITextureSource *tsrc,
 851                         IrrlichtDevice *irr)
 852         {
 853                 m_smgr = smgr;
 854                 m_irr = irr;
 855
 856                 if(m_meshnode != NULL || m_animated_meshnode != NULL || m_spritenode != NULL)
 857                         return;
 858
 859                 m_visuals_expired = false;
 860
 861                 if(!m_prop.is_visible || m_is_local_player)
 862                         return;
 863
 864                 //video::IVideoDriver* driver = smgr->getVideoDriver();
 865
 866                 if(m_prop.visual == "sprite"){
 867                         infostream<<"GenericCAO::addToScene(): single_sprite"<<std::endl;
 868                         m_spritenode = smgr->addBillboardSceneNode(
 869                                         NULL, v2f(1, 1), v3f(0,0,0), -1);
 870                         m_spritenode->setMaterialTexture(0,
 871                                         tsrc->getTexture("unknown_node.png"));
 872                         m_spritenode->setMaterialFlag(video::EMF_LIGHTING, false);
 873                         m_spritenode->setMaterialFlag(video::EMF_BILINEAR_FILTER, false);
 874                         m_spritenode->setMaterialType(video::EMT_TRANSPARENT_ALPHA_CHANNEL_REF);
 875                         m_spritenode->setMaterialFlag(video::EMF_FOG_ENABLE, true);
 876                         u8 li = m_last_light;
 877                         m_spritenode->setColor(video::SColor(255,li,li,li));
 878                         m_spritenode->setSize(m_prop.visual_size*BS);
 879                         {
 880                                 const float txs = 1.0 / 1;
 881                                 const float tys = 1.0 / 1;
 882                                 setBillboardTextureMatrix(m_spritenode,
 883                                                 txs, tys, 0, 0);
 884                         }
 885                 }
 886                 else if(m_prop.visual == "upright_sprite")
 887                 {
 888                         scene::SMesh *mesh = new scene::SMesh();
 889                         double dx = BS*m_prop.visual_size.X/2;
 890                         double dy = BS*m_prop.visual_size.Y/2;
 891                         { // Front
 892                         scene::IMeshBuffer *buf = new scene::SMeshBuffer();
 893                         u8 li = m_last_light;
 894                         video::SColor c(255,li,li,li);
 895                         video::S3DVertex vertices[4] =
 896                         {
 897                                 video::S3DVertex(-dx,-dy,0, 0,0,0, c, 0,1),
 898                                 video::S3DVertex(dx,-dy,0, 0,0,0, c, 1,1),
 899                                 video::S3DVertex(dx,dy,0, 0,0,0, c, 1,0),
 900                                 video::S3DVertex(-dx,dy,0, 0,0,0, c, 0,0),
 901                         };
 902                         u16 indices[] = {0,1,2,2,3,0};
 903                         buf->append(vertices, 4, indices, 6);
 904                         // Set material
 905                         buf->getMaterial().setFlag(video::EMF_LIGHTING, false);
 906                         buf->getMaterial().setFlag(video::EMF_BILINEAR_FILTER, false);
 907                         buf->getMaterial().setFlag(video::EMF_FOG_ENABLE, true);
 908                         buf->getMaterial().MaterialType = video::EMT_TRANSPARENT_ALPHA_CHANNEL;
 909                         // Add to mesh
 910                         mesh->addMeshBuffer(buf);
 911                         buf->drop();
 912                         }
 913                         { // Back
 914                         scene::IMeshBuffer *buf = new scene::SMeshBuffer();
 915                         u8 li = m_last_light;
 916                         video::SColor c(255,li,li,li);
 917                         video::S3DVertex vertices[4] =
 918                         {
 919                                 video::S3DVertex(dx,-dy,0, 0,0,0, c, 1,1),
 920                                 video::S3DVertex(-dx,-dy,0, 0,0,0, c, 0,1),
 921                                 video::S3DVertex(-dx,dy,0, 0,0,0, c, 0,0),
 922                                 video::S3DVertex(dx,dy,0, 0,0,0, c, 1,0),
 923                         };
 924                         u16 indices[] = {0,1,2,2,3,0};
 925                         buf->append(vertices, 4, indices, 6);
 926                         // Set material
 927                         buf->getMaterial().setFlag(video::EMF_LIGHTING, false);
 928                         buf->getMaterial().setFlag(video::EMF_BILINEAR_FILTER, false);
 929                         buf->getMaterial().setFlag(video::EMF_FOG_ENABLE, true);
 930                         buf->getMaterial().MaterialType = video::EMT_TRANSPARENT_ALPHA_CHANNEL_REF;
 931                         // Add to mesh
 932                         mesh->addMeshBuffer(buf);
 933                         buf->drop();
 934                         }
 935                         m_meshnode = smgr->addMeshSceneNode(mesh, NULL);
 936                         mesh->drop();
 937                         // Set it to use the materials of the meshbuffers directly.
 938                         // This is needed for changing the texture in the future
 939                         m_meshnode->setReadOnlyMaterials(true);
 940                 }
 941                 else if(m_prop.visual == "cube"){
 942                         infostream<<"GenericCAO::addToScene(): cube"<<std::endl;
 943                         scene::IMesh *mesh = createCubeMesh(v3f(BS,BS,BS));
 944                         m_meshnode = smgr->addMeshSceneNode(mesh, NULL);
 945                         mesh->drop();
 946
 947                         m_meshnode->setScale(v3f(m_prop.visual_size.X,
 948                                         m_prop.visual_size.Y,
 949                                         m_prop.visual_size.X));
 950                         u8 li = m_last_light;
 951                         setMeshColor(m_meshnode->getMesh(), video::SColor(255,li,li,li));
 952
 953                         m_meshnode->setMaterialFlag(video::EMF_LIGHTING, false);
 954                         m_meshnode->setMaterialFlag(video::EMF_BILINEAR_FILTER, false);
 955                         m_meshnode->setMaterialType(video::EMT_TRANSPARENT_ALPHA_CHANNEL_REF);
 956                         m_meshnode->setMaterialFlag(video::EMF_FOG_ENABLE, true);
 957                 }
 958                 else if(m_prop.visual == "mesh"){
 959                         infostream<<"GenericCAO::addToScene(): mesh"<<std::endl;
 960                         scene::IAnimatedMesh *mesh = smgr->getMesh(m_prop.mesh.c_str());
 961                         if(mesh)
 962                         {
 963                                 m_animated_meshnode = smgr->addAnimatedMeshSceneNode(mesh, NULL);
 964                                 m_animated_meshnode->animateJoints(); // Needed for some animations
 965                                 m_animated_meshnode->setScale(v3f(m_prop.visual_size.X,
 966                                                 m_prop.visual_size.Y,
 967                                                 m_prop.visual_size.X));
 968                                 u8 li = m_last_light;
 969                                 setMeshColor(m_animated_meshnode->getMesh(), video::SColor(255,li,li,li));
 970
 971                                 m_animated_meshnode->setMaterialFlag(video::EMF_LIGHTING, false);
 972                                 m_animated_meshnode->setMaterialFlag(video::EMF_BILINEAR_FILTER, false);
 973                                 m_animated_meshnode->setMaterialType(video::EMT_TRANSPARENT_ALPHA_CHANNEL_REF);
 974                                 m_animated_meshnode->setMaterialFlag(video::EMF_FOG_ENABLE, true);
 975                         }
 976                         else
 977                                 errorstream<<"GenericCAO::addToScene(): Could not load mesh "<<m_prop.mesh<<std::endl;
 978                 }
 979                 else if(m_prop.visual == "wielditem"){
 980                         infostream<<"GenericCAO::addToScene(): node"<<std::endl;
 981                         infostream<<"textures: "<<m_prop.textures.size()<<std::endl;
 982                         if(m_prop.textures.size() >= 1){
 983                                 infostream<<"textures[0]: "<<m_prop.textures[0]<<std::endl;
 984                                 IItemDefManager *idef = m_gamedef->idef();
 985                                 ItemStack item(m_prop.textures[0], 1, 0, "", idef);
 986                                 scene::IMesh *item_mesh = idef->getWieldMesh(item.getDefinition(idef).name, m_gamedef);
 987
 988                                 // Copy mesh to be able to set unique vertex colors
 989                                 scene::IMeshManipulator *manip =
 990                                                 irr->getVideoDriver()->getMeshManipulator();
 991                                 scene::IMesh *mesh = manip->createMeshUniquePrimitives(item_mesh);
 992
 993                                 m_meshnode = smgr->addMeshSceneNode(mesh, NULL);
 994                                 mesh->drop();
 995
 996                                 m_meshnode->setScale(v3f(m_prop.visual_size.X/2,
 997                                                 m_prop.visual_size.Y/2,
 998                                                 m_prop.visual_size.X/2));
 999                                 u8 li = m_last_light;
1000                                 setMeshColor(m_meshnode->getMesh(), video::SColor(255,li,li,li));
1001                         }
1002                 } else {
1003                         infostream<<"GenericCAO::addToScene(): \""<<m_prop.visual
1004                                         <<"\" not supported"<<std::endl;
1005                 }
1006                 updateTextures("");
1007
1008                 scene::ISceneNode *node = NULL;
1009                 if(m_spritenode)
1010                         node = m_spritenode;
1011                 else if(m_animated_meshnode)
1012                         node = m_animated_meshnode;
1013                 else if(m_meshnode)
1014                         node = m_meshnode;
1015                 if(node && m_is_player && !m_is_local_player){
1016                         // Add a text node for showing the name
1017                         gui::IGUIEnvironment* gui = irr->getGUIEnvironment();
1018                         std::wstring wname = narrow_to_wide(m_name);
1019                         m_textnode = smgr->addTextSceneNode(gui->getBuiltInFont(),
1020                                         wname.c_str(), video::SColor(255,255,255,255), node);
1021                         m_textnode->setPosition(v3f(0, BS*1.1, 0));
1022                 }
1023
1024                 updateNodePos();
1025                 updateAnimation();
1026                 updateBonePosition();
1027                 updateAttachments();
1028         }
1029
1030         void expireVisuals()
1031         {
1032                 m_visuals_expired = true;
1033         }
1034
1035         void updateLight(u8 light_at_pos)
1036         {
1037                 u8 li = decode_light(light_at_pos);
1038                 if(li != m_last_light){
1039                         m_last_light = li;
1040                         video::SColor color(255,li,li,li);
1041                         if(m_meshnode)
1042                                 setMeshColor(m_meshnode->getMesh(), color);
1043                         if(m_animated_meshnode)
1044                                 setMeshColor(m_animated_meshnode->getMesh(), color);
1045                         if(m_spritenode)
1046                                 m_spritenode->setColor(color);
1047                 }
1048         }
1049
1050         v3s16 getLightPosition()
1051         {
1052                 return floatToInt(m_position, BS);
1053         }
1054
1055         void updateNodePos()
1056         {
1057                 if(getParent() != NULL)
1058                         return;
1059
1060                 if(m_meshnode){
1061                         m_meshnode->setPosition(pos_translator.vect_show);
1062                         v3f rot = m_meshnode->getRotation();
1063                         rot.Y = -m_yaw;
1064                         m_meshnode->setRotation(rot);
1065                 }
1066                 if(m_animated_meshnode){
1067                         m_animated_meshnode->setPosition(pos_translator.vect_show);
1068                         v3f rot = m_animated_meshnode->getRotation();
1069                         rot.Y = -m_yaw;
1070                         m_animated_meshnode->setRotation(rot);
1071                 }
1072                 if(m_spritenode){
1073                         m_spritenode->setPosition(pos_translator.vect_show);
1074                 }
1075         }
1076
1077         void step(float dtime, ClientEnvironment *env)
1078         {
1079                 if(m_visuals_expired && m_smgr && m_irr){
1080                         m_visuals_expired = false;
1081
1082                         // Attachments, part 1: All attached objects must be unparented first, or Irrlicht causes a segmentation fault
1083                         for(std::vector<core::vector2d<int> >::iterator ii = m_env->attachment_list.begin(); ii != m_env->attachment_list.end(); ii++)
1084                         {
1085                                 if(ii->Y == getId()) // This is a child of our parent
1086                                 {
1087                                         ClientActiveObject *obj = m_env->getActiveObject(ii->X); // Get the object of the child
1088                                         if(obj)
1089                                         {
1090                                                 scene::IMeshSceneNode *m_child_meshnode = obj->getMeshSceneNode();
1091                                                 scene::IAnimatedMeshSceneNode *m_child_animated_meshnode = obj->getAnimatedMeshSceneNode();
1092                                                 scene::IBillboardSceneNode *m_child_spritenode = obj->getSpriteSceneNode();
1093                                                 if(m_child_meshnode)
1094                                                         m_child_meshnode->setParent(m_smgr->getRootSceneNode());
1095                                                 if(m_child_animated_meshnode)
1096                                                         m_child_animated_meshnode->setParent(m_smgr->getRootSceneNode());
1097                                                 if(m_child_spritenode)
1098                                                         m_child_spritenode->setParent(m_smgr->getRootSceneNode());
1099                                         }
1100                                 }
1101                         }
1102
1103                         removeFromScene(false);
1104                         addToScene(m_smgr, m_gamedef->tsrc(), m_irr);
1105
1106                         // Attachments, part 2: Now that the parent has been refreshed, put its attachments back
1107                         for(std::vector<core::vector2d<int> >::iterator ii = m_env->attachment_list.begin(); ii != m_env->attachment_list.end(); ii++)
1108                         {
1109                                 if(ii->Y == getId()) // This is a child of our parent
1110                                 {
1111                                         ClientActiveObject *obj = m_env->getActiveObject(ii->X); // Get the object of the child
1112                                         if(obj)
1113                                                 obj->setAttachments();
1114                                 }
1115                         }
1116                 }
1117
1118                 // Make sure m_is_visible is always applied
1119                 if(m_meshnode)
1120                         m_meshnode->setVisible(m_is_visible);
1121                 if(m_animated_meshnode)
1122                         m_animated_meshnode->setVisible(m_is_visible);
1123                 if(m_spritenode)
1124                         m_spritenode->setVisible(m_is_visible);
1125                 if(m_textnode)
1126                         m_textnode->setVisible(m_is_visible);
1127
1128                 if(getParent() != NULL) // Attachments should be glued to their parent by Irrlicht
1129                 {
1130                         // Set these for later
1131                         m_position = getPosition();
1132                         m_velocity = v3f(0,0,0);
1133                         m_acceleration = v3f(0,0,0);
1134                         pos_translator.vect_show = m_position;
1135
1136                         if(m_is_local_player) // Update local player attachment position
1137                         {
1138                                 LocalPlayer *player = m_env->getLocalPlayer();
1139                                 player->overridePosition = getParent()->getPosition();
1140                                 m_env->getLocalPlayer()->parent = getParent();
1141                         }
1142                 }
1143                 else
1144                 {
1145                         v3f lastpos = pos_translator.vect_show;
1146
1147                         if(m_prop.physical){
1148                                 core::aabbox3d<f32> box = m_prop.collisionbox;
1149                                 box.MinEdge *= BS;
1150                                 box.MaxEdge *= BS;
1151                                 collisionMoveResult moveresult;
1152                                 f32 pos_max_d = BS*0.125; // Distance per iteration
1153                                 f32 stepheight = 0;
1154                                 v3f p_pos = m_position;
1155                                 v3f p_velocity = m_velocity;
1156                                 v3f p_acceleration = m_acceleration;
1157                                 moveresult = collisionMoveSimple(env,env->getGameDef(),
1158                                                 pos_max_d, box, stepheight, dtime,
1159                                                 p_pos, p_velocity, p_acceleration,
1160                                                 this, m_prop.collideWithObjects);
1161                                 // Apply results
1162                                 m_position = p_pos;
1163                                 m_velocity = p_velocity;
1164                                 m_acceleration = p_acceleration;
1165
1166                                 bool is_end_position = moveresult.collides;
1167                                 pos_translator.update(m_position, is_end_position, dtime);
1168                                 pos_translator.translate(dtime);
1169                                 updateNodePos();
1170                         } else {
1171                                 m_position += dtime * m_velocity + 0.5 * dtime * dtime * m_acceleration;
1172                                 m_velocity += dtime * m_acceleration;
1173                                 pos_translator.update(m_position, pos_translator.aim_is_end, pos_translator.anim_time);
1174                                 pos_translator.translate(dtime);
1175                                 updateNodePos();
1176                         }
1177
1178                         float moved = lastpos.getDistanceFrom(pos_translator.vect_show);
1179                         m_step_distance_counter += moved;
1180                         if(m_step_distance_counter > 1.5*BS){
1181                                 m_step_distance_counter = 0;
1182                                 if(!m_is_local_player && m_prop.makes_footstep_sound){
1183                                         INodeDefManager *ndef = m_gamedef->ndef();
1184                                         v3s16 p = floatToInt(getPosition() + v3f(0,
1185                                                         (m_prop.collisionbox.MinEdge.Y-0.5)*BS, 0), BS);
1186                                         MapNode n = m_env->getMap().getNodeNoEx(p);
1187                                         SimpleSoundSpec spec = ndef->get(n).sound_footstep;
1188                                         m_gamedef->sound()->playSoundAt(spec, false, getPosition());
1189                                 }
1190                         }
1191                 }
1192
1193                 m_anim_timer += dtime;
1194                 if(m_anim_timer >= m_anim_framelength){
1195                         m_anim_timer -= m_anim_framelength;
1196                         m_anim_frame++;
1197                         if(m_anim_frame >= m_anim_num_frames)
1198                                 m_anim_frame = 0;
1199                 }
1200
1201                 updateTexturePos();
1202
1203                 if(m_reset_textures_timer >= 0){
1204                         m_reset_textures_timer -= dtime;
1205                         if(m_reset_textures_timer <= 0){
1206                                 m_reset_textures_timer = -1;
1207                                 updateTextures("");
1208                         }
1209                 }
1210                 if(getParent() == NULL && fabs(m_prop.automatic_rotate) > 0.001){
1211                         m_yaw += dtime * m_prop.automatic_rotate * 180 / M_PI;
1212                         updateNodePos();
1213                 }
1214         }
1215
1216         void updateTexturePos()
1217         {
1218                 if(m_spritenode){
1219                         scene::ICameraSceneNode* camera =
1220                                         m_spritenode->getSceneManager()->getActiveCamera();
1221                         if(!camera)
1222                                 return;
1223                         v3f cam_to_entity = m_spritenode->getAbsolutePosition()
1224                                         - camera->getAbsolutePosition();
1225                         cam_to_entity.normalize();
1226
1227                         int row = m_tx_basepos.Y;
1228                         int col = m_tx_basepos.X;
1229
1230                         if(m_tx_select_horiz_by_yawpitch)
1231                         {
1232                                 if(cam_to_entity.Y > 0.75)
1233                                         col += 5;
1234                                 else if(cam_to_entity.Y < -0.75)
1235                                         col += 4;
1236                                 else{
1237                                         float mob_dir = atan2(cam_to_entity.Z, cam_to_entity.X) / M_PI * 180.;
1238                                         float dir = mob_dir - m_yaw;
1239                                         dir = wrapDegrees_180(dir);
1240                                         //infostream<<"id="<<m_id<<" dir="<<dir<<std::endl;
1241                                         if(fabs(wrapDegrees_180(dir - 0)) <= 45.1)
1242                                                 col += 2;
1243                                         else if(fabs(wrapDegrees_180(dir - 90)) <= 45.1)
1244                                                 col += 3;
1245                                         else if(fabs(wrapDegrees_180(dir - 180)) <= 45.1)
1246                                                 col += 0;
1247                                         else if(fabs(wrapDegrees_180(dir + 90)) <= 45.1)
1248                                                 col += 1;
1249                                         else
1250                                                 col += 4;
1251                                 }
1252                         }
1253
1254                         // Animation goes downwards
1255                         row += m_anim_frame;
1256
1257                         float txs = m_tx_size.X;
1258                         float tys = m_tx_size.Y;
1259                         setBillboardTextureMatrix(m_spritenode,
1260                                         txs, tys, col, row);
1261                 }
1262         }
1263
1264         void updateTextures(const std::string &mod)
1265         {
1266                 ITextureSource *tsrc = m_gamedef->tsrc();
1267
1268                 bool use_trilinear_filter = g_settings->getBool("trilinear_filter");
1269                 bool use_bilinear_filter = g_settings->getBool("bilinear_filter");
1270                 bool use_anisotropic_filter = g_settings->getBool("anisotropic_filter");
1271
1272                 if(m_spritenode)
1273                 {
1274                         if(m_prop.visual == "sprite")
1275                         {
1276                                 std::string texturestring = "unknown_node.png";
1277                                 if(m_prop.textures.size() >= 1)
1278                                         texturestring = m_prop.textures[0];
1279                                 texturestring += mod;
1280                                 m_spritenode->setMaterialTexture(0,
1281                                                 tsrc->getTexture(texturestring));
1282
1283                                 // This allows setting per-material colors. However, until a real lighting
1284                                 // system is added, the code below will have no effect. Once MineTest
1285                                 // has directional lighting, it should work automatically.
1286                                 if(m_prop.colors.size() >= 1)
1287                                 {
1288                                         m_spritenode->getMaterial(0).AmbientColor = m_prop.colors[0];
1289                                         m_spritenode->getMaterial(0).DiffuseColor = m_prop.colors[0];
1290                                         m_spritenode->getMaterial(0).SpecularColor = m_prop.colors[0];
1291                                 }
1292
1293                                 m_spritenode->getMaterial(0).setFlag(video::EMF_TRILINEAR_FILTER, use_trilinear_filter);
1294                                 m_spritenode->getMaterial(0).setFlag(video::EMF_BILINEAR_FILTER, use_bilinear_filter);
1295                                 m_spritenode->getMaterial(0).setFlag(video::EMF_ANISOTROPIC_FILTER, use_anisotropic_filter);
1296                         }
1297                 }
1298                 if(m_animated_meshnode)
1299                 {
1300                         if(m_prop.visual == "mesh")
1301                         {
1302                                 for (u32 i = 0; i < m_prop.textures.size() && i < m_animated_meshnode->getMaterialCount(); ++i)
1303                                 {
1304                                         std::string texturestring = m_prop.textures[i];
1305                                         if(texturestring == "")
1306                                                 continue; // Empty texture string means don't modify that material
1307                                         texturestring += mod;
1308                                         video::ITexture* texture = tsrc->getTexture(texturestring);
1309                                         if(!texture)
1310                                         {
1311                                                 errorstream<<"GenericCAO::updateTextures(): Could not load texture "<<texturestring<<std::endl;
1312                                                 continue;
1313                                         }
1314
1315                                         // Set material flags and texture
1316                                         video::SMaterial& material = m_animated_meshnode->getMaterial(i);
1317                                         material.TextureLayer[0].Texture = texture;
1318                                         material.setFlag(video::EMF_LIGHTING, false);
1319                                         material.setFlag(video::EMF_BILINEAR_FILTER, false);
1320
1321                                         m_animated_meshnode->getMaterial(i).setFlag(video::EMF_TRILINEAR_FILTER, use_trilinear_filter);
1322                                         m_animated_meshnode->getMaterial(i).setFlag(video::EMF_BILINEAR_FILTER, use_bilinear_filter);
1323                                         m_animated_meshnode->getMaterial(i).setFlag(video::EMF_ANISOTROPIC_FILTER, use_anisotropic_filter);
1324                                 }
1325                                 for (u32 i = 0; i < m_prop.colors.size() && i < m_animated_meshnode->getMaterialCount(); ++i)
1326                                 {
1327                                         // This allows setting per-material colors. However, until a real lighting
1328                                         // system is added, the code below will have no effect. Once MineTest
1329                                         // has directional lighting, it should work automatically.
1330                                         m_animated_meshnode->getMaterial(i).AmbientColor = m_prop.colors[i];
1331                                         m_animated_meshnode->getMaterial(i).DiffuseColor = m_prop.colors[i];
1332                                         m_animated_meshnode->getMaterial(i).SpecularColor = m_prop.colors[i];
1333                                 }
1334                         }
1335                 }
1336                 if(m_meshnode)
1337                 {
1338                         if(m_prop.visual == "cube")
1339                         {
1340                                 for (u32 i = 0; i < 6; ++i)
1341                                 {
1342                                         std::string texturestring = "unknown_node.png";
1343                                         if(m_prop.textures.size() > i)
1344                                                 texturestring = m_prop.textures[i];
1345                                         texturestring += mod;
1346
1347
1348                                         // Set material flags and texture
1349                                         video::SMaterial& material = m_meshnode->getMaterial(i);
1350                                         material.setFlag(video::EMF_LIGHTING, false);
1351                                         material.setFlag(video::EMF_BILINEAR_FILTER, false);
1352                                         material.setTexture(0,
1353                                                         tsrc->getTexture(texturestring));
1354                                         material.getTextureMatrix(0).makeIdentity();
1355
1356                                         // This allows setting per-material colors. However, until a real lighting
1357                                         // system is added, the code below will have no effect. Once MineTest
1358                                         // has directional lighting, it should work automatically.
1359                                         if(m_prop.colors.size() > i)
1360                                         {
1361                                                 m_meshnode->getMaterial(i).AmbientColor = m_prop.colors[i];
1362                                                 m_meshnode->getMaterial(i).DiffuseColor = m_prop.colors[i];
1363                                                 m_meshnode->getMaterial(i).SpecularColor = m_prop.colors[i];
1364                                         }
1365
1366                                         m_meshnode->getMaterial(i).setFlag(video::EMF_TRILINEAR_FILTER, use_trilinear_filter);
1367                                         m_meshnode->getMaterial(i).setFlag(video::EMF_BILINEAR_FILTER, use_bilinear_filter);
1368                                         m_meshnode->getMaterial(i).setFlag(video::EMF_ANISOTROPIC_FILTER, use_anisotropic_filter);
1369                                 }
1370                         }
1371                         else if(m_prop.visual == "upright_sprite")
1372                         {
1373                                 scene::IMesh *mesh = m_meshnode->getMesh();
1374                                 {
1375                                         std::string tname = "unknown_object.png";
1376                                         if(m_prop.textures.size() >= 1)
1377                                                 tname = m_prop.textures[0];
1378                                         tname += mod;
1379                                         scene::IMeshBuffer *buf = mesh->getMeshBuffer(0);
1380                                         buf->getMaterial().setTexture(0,
1381                                                         tsrc->getTexture(tname));
1382
1383                                         // This allows setting per-material colors. However, until a real lighting
1384                                         // system is added, the code below will have no effect. Once MineTest
1385                                         // has directional lighting, it should work automatically.
1386                                         if(m_prop.colors.size() >= 1)
1387                                         {
1388                                                 buf->getMaterial().AmbientColor = m_prop.colors[0];
1389                                                 buf->getMaterial().DiffuseColor = m_prop.colors[0];
1390                                                 buf->getMaterial().SpecularColor = m_prop.colors[0];
1391                                         }
1392
1393                                         buf->getMaterial().setFlag(video::EMF_TRILINEAR_FILTER, use_trilinear_filter);
1394                                         buf->getMaterial().setFlag(video::EMF_BILINEAR_FILTER, use_bilinear_filter);
1395                                         buf->getMaterial().setFlag(video::EMF_ANISOTROPIC_FILTER, use_anisotropic_filter);
1396                                 }
1397                                 {
1398                                         std::string tname = "unknown_object.png";
1399                                         if(m_prop.textures.size() >= 2)
1400                                                 tname = m_prop.textures[1];
1401                                         else if(m_prop.textures.size() >= 1)
1402                                                 tname = m_prop.textures[0];
1403                                         tname += mod;
1404                                         scene::IMeshBuffer *buf = mesh->getMeshBuffer(1);
1405                                         buf->getMaterial().setTexture(0,
1406                                                         tsrc->getTexture(tname));
1407
1408                                         // This allows setting per-material colors. However, until a real lighting
1409                                         // system is added, the code below will have no effect. Once MineTest
1410                                         // has directional lighting, it should work automatically.
1411                                         if(m_prop.colors.size() >= 2)
1412                                         {
1413                                                 buf->getMaterial().AmbientColor = m_prop.colors[1];
1414                                                 buf->getMaterial().DiffuseColor = m_prop.colors[1];
1415                                                 buf->getMaterial().SpecularColor = m_prop.colors[1];
1416                                         }
1417                                         else if(m_prop.colors.size() >= 1)
1418                                         {
1419                                                 buf->getMaterial().AmbientColor = m_prop.colors[0];
1420                                                 buf->getMaterial().DiffuseColor = m_prop.colors[0];
1421                                                 buf->getMaterial().SpecularColor = m_prop.colors[0];
1422                                         }
1423
1424                                         buf->getMaterial().setFlag(video::EMF_TRILINEAR_FILTER, use_trilinear_filter);
1425                                         buf->getMaterial().setFlag(video::EMF_BILINEAR_FILTER, use_bilinear_filter);
1426                                         buf->getMaterial().setFlag(video::EMF_ANISOTROPIC_FILTER, use_anisotropic_filter);
1427                                 }
1428                         }
1429                 }
1430         }
1431
1432         void updateAnimation()
1433         {
1434                 if(m_animated_meshnode == NULL)
1435                         return;
1436
1437                 m_animated_meshnode->setFrameLoop((int)m_animation_range.X, (int)m_animation_range.Y);
1438                 m_animated_meshnode->setAnimationSpeed(m_animation_speed);
1439                 m_animated_meshnode->setTransitionTime(m_animation_blend);
1440         }
1441
1442         void updateBonePosition()
1443         {
1444                 if(!m_bone_position.size() || m_animated_meshnode == NULL)
1445                         return;
1446
1447                 m_animated_meshnode->setJointMode(irr::scene::EJUOR_CONTROL); // To write positions to the mesh on render
1448                 for(std::map<std::string, core::vector2d<v3f> >::const_iterator ii = m_bone_position.begin(); ii != m_bone_position.end(); ++ii){
1449                         std::string bone_name = (*ii).first;
1450                         v3f bone_pos = (*ii).second.X;
1451                         v3f bone_rot = (*ii).second.Y;
1452                         irr::scene::IBoneSceneNode* bone = m_animated_meshnode->getJointNode(bone_name.c_str());
1453                         if(bone)
1454                         {
1455                                 bone->setPosition(bone_pos);
1456                                 bone->setRotation(bone_rot);
1457                         }
1458                 }
1459         }
1460
1461         void updateAttachments()
1462         {
1463                 m_attached_to_local = getParent() != NULL && getParent()->isLocalPlayer();
1464                 m_is_visible = !m_attached_to_local; // Objects attached to the local player should always be hidden
1465
1466                 if(getParent() == NULL || m_attached_to_local) // Detach or don't attach
1467                 {
1468                         if(m_meshnode)
1469                         {
1470                                 v3f old_position = m_meshnode->getAbsolutePosition();
1471                                 v3f old_rotation = m_meshnode->getRotation();
1472                                 m_meshnode->setParent(m_smgr->getRootSceneNode());
1473                                 m_meshnode->setPosition(old_position);
1474                                 m_meshnode->setRotation(old_rotation);
1475                                 m_meshnode->updateAbsolutePosition();
1476                         }
1477                         if(m_animated_meshnode)
1478                         {
1479                                 v3f old_position = m_animated_meshnode->getAbsolutePosition();
1480                                 v3f old_rotation = m_animated_meshnode->getRotation();
1481                                 m_animated_meshnode->setParent(m_smgr->getRootSceneNode());
1482                                 m_animated_meshnode->setPosition(old_position);
1483                                 m_animated_meshnode->setRotation(old_rotation);
1484                                 m_animated_meshnode->updateAbsolutePosition();
1485                         }
1486                         if(m_spritenode)
1487                         {
1488                                 v3f old_position = m_spritenode->getAbsolutePosition();
1489                                 v3f old_rotation = m_spritenode->getRotation();
1490                                 m_spritenode->setParent(m_smgr->getRootSceneNode());
1491                                 m_spritenode->setPosition(old_position);
1492                                 m_spritenode->setRotation(old_rotation);
1493                                 m_spritenode->updateAbsolutePosition();
1494                         }
1495                         if(m_is_local_player)
1496                         {
1497                                 LocalPlayer *player = m_env->getLocalPlayer();
1498                                 player->isAttached = false;
1499                         }
1500                 }
1501                 else // Attach
1502                 {
1503                         scene::IMeshSceneNode *parent_mesh = NULL;
1504                         if(getParent()->getMeshSceneNode())
1505                                 parent_mesh = getParent()->getMeshSceneNode();
1506                         scene::IAnimatedMeshSceneNode *parent_animated_mesh = NULL;
1507                         if(getParent()->getAnimatedMeshSceneNode())
1508                                 parent_animated_mesh = getParent()->getAnimatedMeshSceneNode();
1509                         scene::IBillboardSceneNode *parent_sprite = NULL;
1510                         if(getParent()->getSpriteSceneNode())
1511                                 parent_sprite = getParent()->getSpriteSceneNode();
1512
1513                         scene::IBoneSceneNode *parent_bone = NULL;
1514                         if(parent_animated_mesh && m_attachment_bone != "")
1515                                 parent_bone = parent_animated_mesh->getJointNode(m_attachment_bone.c_str());
1516
1517                         // The spaghetti code below makes sure attaching works if either the parent or child is a spritenode, meshnode, or animatedmeshnode
1518                         // TODO: Perhaps use polymorphism here to save code duplication
1519                         if(m_meshnode){
1520                                 if(parent_bone){
1521                                         m_meshnode->setParent(parent_bone);
1522                                         m_meshnode->setPosition(m_attachment_position);
1523                                         m_meshnode->setRotation(m_attachment_rotation);
1524                                         m_meshnode->updateAbsolutePosition();
1525                                 }
1526                                 else
1527                                 {
1528                                         if(parent_mesh){
1529                                                 m_meshnode->setParent(parent_mesh);
1530                                                 m_meshnode->setPosition(m_attachment_position);
1531                                                 m_meshnode->setRotation(m_attachment_rotation);
1532                                                 m_meshnode->updateAbsolutePosition();
1533                                         }
1534                                         else if(parent_animated_mesh){
1535                                                 m_meshnode->setParent(parent_animated_mesh);
1536                                                 m_meshnode->setPosition(m_attachment_position);
1537                                                 m_meshnode->setRotation(m_attachment_rotation);
1538                                                 m_meshnode->updateAbsolutePosition();
1539                                         }
1540                                         else if(parent_sprite){
1541                                                 m_meshnode->setParent(parent_sprite);
1542                                                 m_meshnode->setPosition(m_attachment_position);
1543                                                 m_meshnode->setRotation(m_attachment_rotation);
1544                                                 m_meshnode->updateAbsolutePosition();
1545                                         }
1546                                 }
1547                         }
1548                         if(m_animated_meshnode){
1549                                 if(parent_bone){
1550                                         m_animated_meshnode->setParent(parent_bone);
1551                                         m_animated_meshnode->setPosition(m_attachment_position);
1552                                         m_animated_meshnode->setRotation(m_attachment_rotation);
1553                                         m_animated_meshnode->updateAbsolutePosition();
1554                                 }
1555                                 else
1556                                 {
1557                                         if(parent_mesh){
1558                                                 m_animated_meshnode->setParent(parent_mesh);
1559                                                 m_animated_meshnode->setPosition(m_attachment_position);
1560                                                 m_animated_meshnode->setRotation(m_attachment_rotation);
1561                                                 m_animated_meshnode->updateAbsolutePosition();
1562                                         }
1563                                         else if(parent_animated_mesh){
1564                                                 m_animated_meshnode->setParent(parent_animated_mesh);
1565                                                 m_animated_meshnode->setPosition(m_attachment_position);
1566                                                 m_animated_meshnode->setRotation(m_attachment_rotation);
1567                                                 m_animated_meshnode->updateAbsolutePosition();
1568                                         }
1569                                         else if(parent_sprite){
1570                                                 m_animated_meshnode->setParent(parent_sprite);
1571                                                 m_animated_meshnode->setPosition(m_attachment_position);
1572                                                 m_animated_meshnode->setRotation(m_attachment_rotation);
1573                                                 m_animated_meshnode->updateAbsolutePosition();
1574                                         }
1575                                 }
1576                         }
1577                         if(m_spritenode){
1578                                 if(parent_bone){
1579                                         m_spritenode->setParent(parent_bone);
1580                                         m_spritenode->setPosition(m_attachment_position);
1581                                         m_spritenode->setRotation(m_attachment_rotation);
1582                                         m_spritenode->updateAbsolutePosition();
1583                                 }
1584                                 else
1585                                 {
1586                                         if(parent_mesh){
1587                                                 m_spritenode->setParent(parent_mesh);
1588                                                 m_spritenode->setPosition(m_attachment_position);
1589                                                 m_spritenode->setRotation(m_attachment_rotation);
1590                                                 m_spritenode->updateAbsolutePosition();
1591                                         }
1592                                         else if(parent_animated_mesh){
1593                                                 m_spritenode->setParent(parent_animated_mesh);
1594                                                 m_spritenode->setPosition(m_attachment_position);
1595                                                 m_spritenode->setRotation(m_attachment_rotation);
1596                                                 m_spritenode->updateAbsolutePosition();
1597                                         }
1598                                         else if(parent_sprite){
1599                                                 m_spritenode->setParent(parent_sprite);
1600                                                 m_spritenode->setPosition(m_attachment_position);
1601                                                 m_spritenode->setRotation(m_attachment_rotation);
1602                                                 m_spritenode->updateAbsolutePosition();
1603                                         }
1604                                 }
1605                         }
1606                         if(m_is_local_player)
1607                         {
1608                                 LocalPlayer *player = m_env->getLocalPlayer();
1609                                 player->isAttached = true;
1610                         }
1611                 }
1612         }
1613
1614         void processMessage(const std::string &data)
1615         {
1616                 //infostream<<"GenericCAO: Got message"<<std::endl;
1617                 std::istringstream is(data, std::ios::binary);
1618                 // command
1619                 u8 cmd = readU8(is);
1620                 if(cmd == GENERIC_CMD_SET_PROPERTIES)
1621                 {
1622                         m_prop = gob_read_set_properties(is);
1623
1624                         m_selection_box = m_prop.collisionbox;
1625                         m_selection_box.MinEdge *= BS;
1626                         m_selection_box.MaxEdge *= BS;
1627
1628                         m_tx_size.X = 1.0 / m_prop.spritediv.X;
1629                         m_tx_size.Y = 1.0 / m_prop.spritediv.Y;
1630
1631                         if(!m_initial_tx_basepos_set){
1632                                 m_initial_tx_basepos_set = true;
1633                                 m_tx_basepos = m_prop.initial_sprite_basepos;
1634                         }
1635
1636                         expireVisuals();
1637                 }
1638                 else if(cmd == GENERIC_CMD_UPDATE_POSITION)
1639                 {
1640                         // Not sent by the server if this object is an attachment.
1641                         // We might however get here if the server notices the object being detached before the client.
1642                         m_position = readV3F1000(is);
1643                         m_velocity = readV3F1000(is);
1644                         m_acceleration = readV3F1000(is);
1645                         if(fabs(m_prop.automatic_rotate) < 0.001)
1646                                 m_yaw = readF1000(is);
1647                         bool do_interpolate = readU8(is);
1648                         bool is_end_position = readU8(is);
1649                         float update_interval = readF1000(is);
1650
1651                         // Place us a bit higher if we're physical, to not sink into
1652                         // the ground due to sucky collision detection...
1653                         if(m_prop.physical)
1654                                 m_position += v3f(0,0.002,0);
1655
1656                         if(getParent() != NULL) // Just in case
1657                                 return;
1658
1659                         if(do_interpolate){
1660                                 if(!m_prop.physical)
1661                                         pos_translator.update(m_position, is_end_position, update_interval);
1662                         } else {
1663                                 pos_translator.init(m_position);
1664                         }
1665                         updateNodePos();
1666                 }
1667                 else if(cmd == GENERIC_CMD_SET_TEXTURE_MOD)
1668                 {
1669                         std::string mod = deSerializeString(is);
1670                         updateTextures(mod);
1671                 }
1672                 else if(cmd == GENERIC_CMD_SET_SPRITE)
1673                 {
1674                         v2s16 p = readV2S16(is);
1675                         int num_frames = readU16(is);
1676                         float framelength = readF1000(is);
1677                         bool select_horiz_by_yawpitch = readU8(is);
1678
1679                         m_tx_basepos = p;
1680                         m_anim_num_frames = num_frames;
1681                         m_anim_framelength = framelength;
1682                         m_tx_select_horiz_by_yawpitch = select_horiz_by_yawpitch;
1683
1684                         updateTexturePos();
1685                 }
1686                 else if(cmd == GENERIC_CMD_SET_PHYSICS_OVERRIDE)
1687                 {
1688                         float override_speed = readF1000(is);
1689                         float override_jump = readF1000(is);
1690                         float override_gravity = readF1000(is);
1691                         if(m_is_local_player)
1692                         {
1693                                 LocalPlayer *player = m_env->getLocalPlayer();
1694                                 player->physics_override_speed = override_speed;
1695                                 player->physics_override_jump = override_jump;
1696                                 player->physics_override_gravity = override_gravity;
1697                         }
1698                 }
1699                 else if(cmd == GENERIC_CMD_SET_ANIMATION)
1700                 {
1701                         m_animation_range = readV2F1000(is);
1702                         m_animation_speed = readF1000(is);
1703                         m_animation_blend = readF1000(is);
1704
1705                         updateAnimation();
1706                 }
1707                 else if(cmd == GENERIC_CMD_SET_BONE_POSITION)
1708                 {
1709                         std::string bone = deSerializeString(is);
1710                         v3f position = readV3F1000(is);
1711                         v3f rotation = readV3F1000(is);
1712                         m_bone_position[bone] = core::vector2d<v3f>(position, rotation);
1713
1714                         updateBonePosition();
1715                 }
1716                 else if(cmd == GENERIC_CMD_SET_ATTACHMENT)
1717                 {
1718                         // If an entry already exists for this object, delete it first to avoid duplicates
1719                         for(std::vector<core::vector2d<int> >::iterator ii = m_env->attachment_list.begin(); ii != m_env->attachment_list.end(); ii++)
1720                         {
1721                                 if(ii->X == getId()) // This is the ID of our object
1722                                 {
1723                                         m_env->attachment_list.erase(ii);
1724                                         break;
1725                                 }
1726                         }
1727                         m_env->attachment_list.push_back(core::vector2d<int>(getId(), readS16(is)));
1728                         m_attachment_bone = deSerializeString(is);
1729                         m_attachment_position = readV3F1000(is);
1730                         m_attachment_rotation = readV3F1000(is);
1731
1732                         updateAttachments();
1733                 }
1734                 else if(cmd == GENERIC_CMD_PUNCHED)
1735                 {
1736                         /*s16 damage =*/ readS16(is);
1737                         s16 result_hp = readS16(is);
1738
1739                         m_hp = result_hp;
1740                 }
1741                 else if(cmd == GENERIC_CMD_UPDATE_ARMOR_GROUPS)
1742                 {
1743                         m_armor_groups.clear();
1744                         int armor_groups_size = readU16(is);
1745                         for(int i=0; i<armor_groups_size; i++){
1746                                 std::string name = deSerializeString(is);
1747                                 int rating = readS16(is);
1748                                 m_armor_groups[name] = rating;
1749                         }
1750                 }
1751         }
1752
1753         bool directReportPunch(v3f dir, const ItemStack *punchitem=NULL,
1754                         float time_from_last_punch=1000000)
1755         {
1756                 assert(punchitem);
1757                 const ToolCapabilities *toolcap =
1758                                 &punchitem->getToolCapabilities(m_gamedef->idef());
1759                 PunchDamageResult result = getPunchDamage(
1760                                 m_armor_groups,
1761                                 toolcap,
1762                                 punchitem,
1763                                 time_from_last_punch);
1764
1765                 if(result.did_punch && result.damage != 0)
1766                 {
1767                         if(result.damage < m_hp){
1768                                 m_hp -= result.damage;
1769                         } else {
1770                                 m_hp = 0;
1771                                 // TODO: Execute defined fast response
1772                                 // As there is no definition, make a smoke puff
1773                                 ClientSimpleObject *simple = createSmokePuff(
1774                                                 m_smgr, m_env, m_position,
1775                                                 m_prop.visual_size * BS);
1776                                 m_env->addSimpleObject(simple);
1777                         }
1778                         // TODO: Execute defined fast response
1779                         // Flashing shall suffice as there is no definition
1780                         m_reset_textures_timer = 0.05;
1781                         if(result.damage >= 2)
1782                                 m_reset_textures_timer += 0.05 * result.damage;
1783                         updateTextures("^[brighten");
1784                 }
1785
1786                 return false;
1787         }
1788
1789         std::string debugInfoText()
1790         {
1791                 std::ostringstream os(std::ios::binary);
1792                 os<<"GenericCAO hp="<<m_hp<<"\n";
1793                 os<<"armor={";
1794                 for(ItemGroupList::const_iterator i = m_armor_groups.begin();
1795                                 i != m_armor_groups.end(); i++){
1796                         os<<i->first<<"="<<i->second<<", ";
1797                 }
1798                 os<<"}";
1799                 return os.str();
1800         }
1801 };
1802
1803 // Prototype
1804 GenericCAO proto_GenericCAO(NULL, NULL);
1805
1806