src/content_cao.cpp

   1 /*
   2 Minetest-c55
   3 Copyright (C) 2010-2011 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 <IMeshManipulator.h>
  44 #include <IAnimatedMeshSceneNode.h>
  45 #include <IBoneSceneNode.h>
  46
  47 class Settings;
  48 struct ToolCapabilities;
  49
  50 #define PP(x) "("<<(x).X<<","<<(x).Y<<","<<(x).Z<<")"
  51
  52 core::map<u16, ClientActiveObject::Factory> ClientActiveObject::m_types;
  53
  54 /*
  55         SmoothTranslator
  56 */
  57
  58 struct SmoothTranslator
  59 {
  60         v3f vect_old;
  61         v3f vect_show;
  62         v3f vect_aim;
  63         f32 anim_counter;
  64         f32 anim_time;
  65         f32 anim_time_counter;
  66         bool aim_is_end;
  67
  68         SmoothTranslator():
  69                 vect_old(0,0,0),
  70                 vect_show(0,0,0),
  71                 vect_aim(0,0,0),
  72                 anim_counter(0),
  73                 anim_time(0),
  74                 anim_time_counter(0),
  75                 aim_is_end(true)
  76         {}
  77
  78         void init(v3f vect)
  79         {
  80                 vect_old = vect;
  81                 vect_show = vect;
  82                 vect_aim = vect;
  83                 anim_counter = 0;
  84                 anim_time = 0;
  85                 anim_time_counter = 0;
  86                 aim_is_end = true;
  87         }
  88
  89         void sharpen()
  90         {
  91                 init(vect_show);
  92         }
  93
  94         void update(v3f vect_new, bool is_end_position=false, float update_interval=-1)
  95         {
  96                 aim_is_end = is_end_position;
  97                 vect_old = vect_show;
  98                 vect_aim = vect_new;
  99                 if(update_interval > 0){
 100                         anim_time = update_interval;
 101                 } else {
 102                         if(anim_time < 0.001 || anim_time > 1.0)
 103                                 anim_time = anim_time_counter;
 104                         else
 105                                 anim_time = anim_time * 0.9 + anim_time_counter * 0.1;
 106                 }
 107                 anim_time_counter = 0;
 108                 anim_counter = 0;
 109         }
 110
 111         void translate(f32 dtime)
 112         {
 113                 anim_time_counter = anim_time_counter + dtime;
 114                 anim_counter = anim_counter + dtime;
 115                 v3f vect_move = vect_aim - vect_old;
 116                 f32 moveratio = 1.0;
 117                 if(anim_time > 0.001)
 118                         moveratio = anim_time_counter / anim_time;
 119                 // Move a bit less than should, to avoid oscillation
 120                 moveratio = moveratio * 0.8;
 121                 float move_end = 1.5;
 122                 if(aim_is_end)
 123                         move_end = 1.0;
 124                 if(moveratio > move_end)
 125                         moveratio = move_end;
 126                 vect_show = vect_old + vect_move * moveratio;
 127         }
 128
 129         bool is_moving()
 130         {
 131                 return ((anim_time_counter / anim_time) < 1.4);
 132         }
 133 };
 134
 135 /*
 136         Other stuff
 137 */
 138
 139 static void setBillboardTextureMatrix(scene::IBillboardSceneNode *bill,
 140                 float txs, float tys, int col, int row)
 141 {
 142         video::SMaterial& material = bill->getMaterial(0);
 143         core::matrix4& matrix = material.getTextureMatrix(0);
 144         matrix.setTextureTranslate(txs*col, tys*row);
 145         matrix.setTextureScale(txs, tys);
 146 }
 147
 148 /*
 149         TestCAO
 150 */
 151
 152 class TestCAO : public ClientActiveObject
 153 {
 154 public:
 155         TestCAO(IGameDef *gamedef, ClientEnvironment *env);
 156         virtual ~TestCAO();
 157
 158         u8 getType() const
 159         {
 160                 return ACTIVEOBJECT_TYPE_TEST;
 161         }
 162
 163         static ClientActiveObject* create(IGameDef *gamedef, ClientEnvironment *env);
 164
 165         void addToScene(scene::ISceneManager *smgr, ITextureSource *tsrc,
 166                         IrrlichtDevice *irr);
 167         void removeFromScene();
 168         void updateLight(u8 light_at_pos);
 169         v3s16 getLightPosition();
 170         void updateNodePos();
 171
 172         void step(float dtime, ClientEnvironment *env);
 173
 174         void processMessage(const std::string &data);
 175
 176 private:
 177         scene::IMeshSceneNode *m_node;
 178         v3f m_position;
 179 };
 180
 181 // Prototype
 182 TestCAO proto_TestCAO(NULL, NULL);
 183
 184 TestCAO::TestCAO(IGameDef *gamedef, ClientEnvironment *env):
 185         ClientActiveObject(0, gamedef, env),
 186         m_node(NULL),
 187         m_position(v3f(0,10*BS,0))
 188 {
 189         ClientActiveObject::registerType(getType(), create);
 190 }
 191
 192 TestCAO::~TestCAO()
 193 {
 194 }
 195
 196 ClientActiveObject* TestCAO::create(IGameDef *gamedef, ClientEnvironment *env)
 197 {
 198         return new TestCAO(gamedef, env);
 199 }
 200
 201 void TestCAO::addToScene(scene::ISceneManager *smgr, ITextureSource *tsrc,
 202                         IrrlichtDevice *irr)
 203 {
 204         if(m_node != NULL)
 205                 return;
 206
 207         //video::IVideoDriver* driver = smgr->getVideoDriver();
 208
 209         scene::SMesh *mesh = new scene::SMesh();
 210         scene::IMeshBuffer *buf = new scene::SMeshBuffer();
 211         video::SColor c(255,255,255,255);
 212         video::S3DVertex vertices[4] =
 213         {
 214                 video::S3DVertex(-BS/2,-BS/4,0, 0,0,0, c, 0,1),
 215                 video::S3DVertex(BS/2,-BS/4,0, 0,0,0, c, 1,1),
 216                 video::S3DVertex(BS/2,BS/4,0, 0,0,0, c, 1,0),
 217                 video::S3DVertex(-BS/2,BS/4,0, 0,0,0, c, 0,0),
 218         };
 219         u16 indices[] = {0,1,2,2,3,0};
 220         buf->append(vertices, 4, indices, 6);
 221         // Set material
 222         buf->getMaterial().setFlag(video::EMF_LIGHTING, false);
 223         buf->getMaterial().setFlag(video::EMF_BACK_FACE_CULLING, false);
 224         buf->getMaterial().setTexture(0, tsrc->getTextureRaw("rat.png"));
 225         buf->getMaterial().setFlag(video::EMF_BILINEAR_FILTER, false);
 226         buf->getMaterial().setFlag(video::EMF_FOG_ENABLE, true);
 227         buf->getMaterial().MaterialType = video::EMT_TRANSPARENT_ALPHA_CHANNEL;
 228         // Add to mesh
 229         mesh->addMeshBuffer(buf);
 230         buf->drop();
 231         m_node = smgr->addMeshSceneNode(mesh, NULL);
 232         mesh->drop();
 233         updateNodePos();
 234 }
 235
 236 void TestCAO::removeFromScene()
 237 {
 238         if(m_node == NULL)
 239                 return;
 240
 241         m_node->remove();
 242         m_node = NULL;
 243 }
 244
 245 void TestCAO::updateLight(u8 light_at_pos)
 246 {
 247 }
 248
 249 v3s16 TestCAO::getLightPosition()
 250 {
 251         return floatToInt(m_position, BS);
 252 }
 253
 254 void TestCAO::updateNodePos()
 255 {
 256         if(m_node == NULL)
 257                 return;
 258
 259         m_node->setPosition(m_position);
 260         //m_node->setRotation(v3f(0, 45, 0));
 261 }
 262
 263 void TestCAO::step(float dtime, ClientEnvironment *env)
 264 {
 265         if(m_node)
 266         {
 267                 v3f rot = m_node->getRotation();
 268                 //infostream<<"dtime="<<dtime<<", rot.Y="<<rot.Y<<std::endl;
 269                 rot.Y += dtime * 180;
 270                 m_node->setRotation(rot);
 271         }
 272 }
 273
 274 void TestCAO::processMessage(const std::string &data)
 275 {
 276         infostream<<"TestCAO: Got data: "<<data<<std::endl;
 277         std::istringstream is(data, std::ios::binary);
 278         u16 cmd;
 279         is>>cmd;
 280         if(cmd == 0)
 281         {
 282                 v3f newpos;
 283                 is>>newpos.X;
 284                 is>>newpos.Y;
 285                 is>>newpos.Z;
 286                 m_position = newpos;
 287                 updateNodePos();
 288         }
 289 }
 290
 291 /*
 292         ItemCAO
 293 */
 294
 295 class ItemCAO : public ClientActiveObject
 296 {
 297 public:
 298         ItemCAO(IGameDef *gamedef, ClientEnvironment *env);
 299         virtual ~ItemCAO();
 300
 301         u8 getType() const
 302         {
 303                 return ACTIVEOBJECT_TYPE_ITEM;
 304         }
 305
 306         static ClientActiveObject* create(IGameDef *gamedef, ClientEnvironment *env);
 307
 308         void addToScene(scene::ISceneManager *smgr, ITextureSource *tsrc,
 309                         IrrlichtDevice *irr);
 310         void removeFromScene();
 311         void updateLight(u8 light_at_pos);
 312         v3s16 getLightPosition();
 313         void updateNodePos();
 314         void updateInfoText();
 315         void updateTexture();
 316
 317         void step(float dtime, ClientEnvironment *env);
 318
 319         void processMessage(const std::string &data);
 320
 321         void initialize(const std::string &data);
 322
 323         core::aabbox3d<f32>* getSelectionBox()
 324                 {return &m_selection_box;}
 325         v3f getPosition()
 326                 {return m_position;}
 327
 328         std::string infoText()
 329                 {return m_infotext;}
 330
 331 private:
 332         core::aabbox3d<f32> m_selection_box;
 333         scene::IMeshSceneNode *m_node;
 334         v3f m_position;
 335         std::string m_itemstring;
 336         std::string m_infotext;
 337 };
 338
 339 #include "inventory.h"
 340
 341 // Prototype
 342 ItemCAO proto_ItemCAO(NULL, NULL);
 343
 344 ItemCAO::ItemCAO(IGameDef *gamedef, ClientEnvironment *env):
 345         ClientActiveObject(0, gamedef, env),
 346         m_selection_box(-BS/3.,0.0,-BS/3., BS/3.,BS*2./3.,BS/3.),
 347         m_node(NULL),
 348         m_position(v3f(0,10*BS,0))
 349 {
 350         if(!gamedef && !env)
 351         {
 352                 ClientActiveObject::registerType(getType(), create);
 353         }
 354 }
 355
 356 ItemCAO::~ItemCAO()
 357 {
 358 }
 359
 360 ClientActiveObject* ItemCAO::create(IGameDef *gamedef, ClientEnvironment *env)
 361 {
 362         return new ItemCAO(gamedef, env);
 363 }
 364
 365 void ItemCAO::addToScene(scene::ISceneManager *smgr, ITextureSource *tsrc,
 366                         IrrlichtDevice *irr)
 367 {
 368         if(m_node != NULL)
 369                 return;
 370
 371         //video::IVideoDriver* driver = smgr->getVideoDriver();
 372
 373         scene::SMesh *mesh = new scene::SMesh();
 374         scene::IMeshBuffer *buf = new scene::SMeshBuffer();
 375         video::SColor c(255,255,255,255);
 376         video::S3DVertex vertices[4] =
 377         {
 378                 /*video::S3DVertex(-BS/2,-BS/4,0, 0,0,0, c, 0,1),
 379                 video::S3DVertex(BS/2,-BS/4,0, 0,0,0, c, 1,1),
 380                 video::S3DVertex(BS/2,BS/4,0, 0,0,0, c, 1,0),
 381                 video::S3DVertex(-BS/2,BS/4,0, 0,0,0, c, 0,0),*/
 382                 video::S3DVertex(BS/3.,0,0, 0,0,0, c, 0,1),
 383                 video::S3DVertex(-BS/3.,0,0, 0,0,0, c, 1,1),
 384                 video::S3DVertex(-BS/3.,0+BS*2./3.,0, 0,0,0, c, 1,0),
 385                 video::S3DVertex(BS/3.,0+BS*2./3.,0, 0,0,0, c, 0,0),
 386         };
 387         u16 indices[] = {0,1,2,2,3,0};
 388         buf->append(vertices, 4, indices, 6);
 389         // Set material
 390         buf->getMaterial().setFlag(video::EMF_LIGHTING, false);
 391         buf->getMaterial().setFlag(video::EMF_BACK_FACE_CULLING, false);
 392         // Initialize with a generated placeholder texture
 393         buf->getMaterial().setTexture(0, tsrc->getTextureRaw(""));
 394         buf->getMaterial().setFlag(video::EMF_BILINEAR_FILTER, false);
 395         buf->getMaterial().setFlag(video::EMF_FOG_ENABLE, true);
 396         buf->getMaterial().MaterialType = video::EMT_TRANSPARENT_ALPHA_CHANNEL;
 397         // Add to mesh
 398         mesh->addMeshBuffer(buf);
 399         buf->drop();
 400         m_node = smgr->addMeshSceneNode(mesh, NULL);
 401         mesh->drop();
 402         updateNodePos();
 403
 404         /*
 405                 Update image of node
 406         */
 407
 408         updateTexture();
 409 }
 410
 411 void ItemCAO::removeFromScene()
 412 {
 413         if(m_node == NULL)
 414                 return;
 415
 416         m_node->remove();
 417         m_node = NULL;
 418 }
 419
 420 void ItemCAO::updateLight(u8 light_at_pos)
 421 {
 422         if(m_node == NULL)
 423                 return;
 424
 425         u8 li = decode_light(light_at_pos);
 426         video::SColor color(255,li,li,li);
 427         setMeshColor(m_node->getMesh(), color);
 428 }
 429
 430 v3s16 ItemCAO::getLightPosition()
 431 {
 432         return floatToInt(m_position + v3f(0,0.5*BS,0), BS);
 433 }
 434
 435 void ItemCAO::updateNodePos()
 436 {
 437         if(m_node == NULL)
 438                 return;
 439
 440         m_node->setPosition(m_position);
 441 }
 442
 443 void ItemCAO::updateInfoText()
 444 {
 445         try{
 446                 IItemDefManager *idef = m_gamedef->idef();
 447                 ItemStack item;
 448                 item.deSerialize(m_itemstring, idef);
 449                 if(item.isKnown(idef))
 450                         m_infotext = item.getDefinition(idef).description;
 451                 else
 452                         m_infotext = "Unknown item: '" + m_itemstring + "'";
 453                 if(item.count >= 2)
 454                         m_infotext += " (" + itos(item.count) + ")";
 455         }
 456         catch(SerializationError &e)
 457         {
 458                 m_infotext = "Unknown item: '" + m_itemstring + "'";
 459         }
 460 }
 461
 462 void ItemCAO::updateTexture()
 463 {
 464         if(m_node == NULL)
 465                 return;
 466
 467         // Create an inventory item to see what is its image
 468         std::istringstream is(m_itemstring, std::ios_base::binary);
 469         video::ITexture *texture = NULL;
 470         try{
 471                 IItemDefManager *idef = m_gamedef->idef();
 472                 ItemStack item;
 473                 item.deSerialize(is, idef);
 474                 texture = item.getDefinition(idef).inventory_texture;
 475         }
 476         catch(SerializationError &e)
 477         {
 478                 infostream<<"WARNING: "<<__FUNCTION_NAME
 479                                 <<": error deSerializing itemstring \""
 480                                 <<m_itemstring<<std::endl;
 481         }
 482
 483         // Set meshbuffer texture
 484         m_node->getMaterial(0).setTexture(0, texture);
 485 }
 486
 487
 488 void ItemCAO::step(float dtime, ClientEnvironment *env)
 489 {
 490         if(m_node)
 491         {
 492                 /*v3f rot = m_node->getRotation();
 493                 rot.Y += dtime * 120;
 494                 m_node->setRotation(rot);*/
 495                 LocalPlayer *player = env->getLocalPlayer();
 496                 assert(player);
 497                 v3f rot = m_node->getRotation();
 498                 rot.Y = 180.0 - (player->getYaw());
 499                 m_node->setRotation(rot);
 500         }
 501 }
 502
 503 void ItemCAO::processMessage(const std::string &data)
 504 {
 505         //infostream<<"ItemCAO: Got message"<<std::endl;
 506         std::istringstream is(data, std::ios::binary);
 507         // command
 508         u8 cmd = readU8(is);
 509         if(cmd == 0)
 510         {
 511                 // pos
 512                 m_position = readV3F1000(is);
 513                 updateNodePos();
 514         }
 515         if(cmd == 1)
 516         {
 517                 // itemstring
 518                 m_itemstring = deSerializeString(is);
 519                 updateInfoText();
 520                 updateTexture();
 521         }
 522 }
 523
 524 void ItemCAO::initialize(const std::string &data)
 525 {
 526         infostream<<"ItemCAO: Got init data"<<std::endl;
 527
 528         {
 529                 std::istringstream is(data, std::ios::binary);
 530                 // version
 531                 u8 version = readU8(is);
 532                 // check version
 533                 if(version != 0)
 534                         return;
 535                 // pos
 536                 m_position = readV3F1000(is);
 537                 // itemstring
 538                 m_itemstring = deSerializeString(is);
 539         }
 540
 541         updateNodePos();
 542         updateInfoText();
 543 }
 544
 545 /*
 546         GenericCAO
 547 */
 548
 549 #include "genericobject.h"
 550
 551 class GenericCAO : public ClientActiveObject
 552 {
 553 private:
 554         // Only set at initialization
 555         std::string m_name;
 556         bool m_is_player;
 557         bool m_is_local_player; // determined locally
 558         // Property-ish things
 559         ObjectProperties m_prop;
 560         //
 561         scene::ISceneManager *m_smgr;
 562         IrrlichtDevice *m_irr;
 563         core::aabbox3d<f32> m_selection_box;
 564         scene::IMeshSceneNode *m_meshnode;
 565         scene::IAnimatedMeshSceneNode *m_animated_meshnode;
 566         scene::IBillboardSceneNode *m_spritenode;
 567         scene::ITextSceneNode* m_textnode;
 568         v3f m_position;
 569         v3f m_velocity;
 570         v3f m_acceleration;
 571         float m_yaw;
 572         s16 m_hp;
 573         SmoothTranslator pos_translator;
 574         // Spritesheet/animation stuff
 575         v2f m_tx_size;
 576         v2s16 m_tx_basepos;
 577         bool m_initial_tx_basepos_set;
 578         bool m_tx_select_horiz_by_yawpitch;
 579         v2f m_frames;
 580         int m_frame_speed;
 581         int m_frame_blend;
 582         std::map<std::string, core::vector2d<v3f> > m_bone_posrot;
 583         int m_anim_frame;
 584         int m_anim_num_frames;
 585         float m_anim_framelength;
 586         float m_anim_timer;
 587         ItemGroupList m_armor_groups;
 588         float m_reset_textures_timer;
 589         bool m_visuals_expired;
 590         float m_step_distance_counter;
 591         u8 m_last_light;
 592
 593 public:
 594         GenericCAO(IGameDef *gamedef, ClientEnvironment *env):
 595                 ClientActiveObject(0, gamedef, env),
 596                 //
 597                 m_is_player(false),
 598                 m_is_local_player(false),
 599                 //
 600                 m_smgr(NULL),
 601                 m_irr(NULL),
 602                 m_selection_box(-BS/3.,-BS/3.,-BS/3., BS/3.,BS/3.,BS/3.),
 603                 m_meshnode(NULL),
 604                 m_animated_meshnode(NULL),
 605                 m_spritenode(NULL),
 606                 m_textnode(NULL),
 607                 m_position(v3f(0,10*BS,0)),
 608                 m_velocity(v3f(0,0,0)),
 609                 m_acceleration(v3f(0,0,0)),
 610                 m_yaw(0),
 611                 m_hp(1),
 612                 m_tx_size(1,1),
 613                 m_tx_basepos(0,0),
 614                 m_initial_tx_basepos_set(false),
 615                 m_tx_select_horiz_by_yawpitch(false),
 616                 m_anim_frame(0),
 617                 m_anim_num_frames(1),
 618                 m_anim_framelength(0.2),
 619                 m_anim_timer(0),
 620                 m_reset_textures_timer(-1),
 621                 m_visuals_expired(false),
 622                 m_step_distance_counter(0),
 623                 m_last_light(255)
 624         {
 625                 if(gamedef == NULL)
 626                         ClientActiveObject::registerType(getType(), create);
 627         }
 628
 629         void initialize(const std::string &data)
 630         {
 631                 infostream<<"GenericCAO: Got init data"<<std::endl;
 632                 std::istringstream is(data, std::ios::binary);
 633                 // version
 634                 u8 version = readU8(is);
 635                 // check version
 636                 if(version != 0){
 637                         errorstream<<"GenericCAO: Unsupported init data version"
 638                                         <<std::endl;
 639                         return;
 640                 }
 641                 m_name = deSerializeString(is);
 642                 m_is_player = readU8(is);
 643                 m_position = readV3F1000(is);
 644                 m_yaw = readF1000(is);
 645                 m_hp = readS16(is);
 646
 647                 int num_messages = readU8(is);
 648                 for(int i=0; i<num_messages; i++){
 649                         std::string message = deSerializeLongString(is);
 650                         processMessage(message);
 651                 }
 652
 653                 pos_translator.init(m_position);
 654                 updateNodePos();
 655
 656                 if(m_is_player){
 657                         Player *player = m_env->getPlayer(m_name.c_str());
 658                         if(player && player->isLocal()){
 659                                 m_is_local_player = true;
 660                         }
 661                 }
 662         }
 663
 664         ~GenericCAO()
 665         {
 666         }
 667
 668         static ClientActiveObject* create(IGameDef *gamedef, ClientEnvironment *env)
 669         {
 670                 return new GenericCAO(gamedef, env);
 671         }
 672
 673         u8 getType() const
 674         {
 675                 return ACTIVEOBJECT_TYPE_GENERIC;
 676         }
 677         core::aabbox3d<f32>* getSelectionBox()
 678         {
 679                 if(!m_prop.is_visible || m_is_local_player)
 680                         return NULL;
 681                 return &m_selection_box;
 682         }
 683         v3f getPosition()
 684         {
 685                 return pos_translator.vect_show;
 686         }
 687
 688         void removeFromScene()
 689         {
 690                 if(m_meshnode){
 691                         m_meshnode->remove();
 692                         m_meshnode = NULL;
 693                 }
 694                 if(m_animated_meshnode){
 695                         m_animated_meshnode->remove();
 696                         m_animated_meshnode = NULL;
 697                 }
 698                 if(m_spritenode){
 699                         m_spritenode->remove();
 700                         m_spritenode = NULL;
 701                 }
 702         }
 703
 704         void addToScene(scene::ISceneManager *smgr, ITextureSource *tsrc,
 705                         IrrlichtDevice *irr)
 706         {
 707                 m_smgr = smgr;
 708                 m_irr = irr;
 709
 710                 if(m_meshnode != NULL || m_animated_meshnode != NULL || m_spritenode != NULL)
 711                         return;
 712
 713                 m_visuals_expired = false;
 714
 715                 if(!m_prop.is_visible || m_is_local_player)
 716                         return;
 717
 718                 //video::IVideoDriver* driver = smgr->getVideoDriver();
 719
 720                 if(m_prop.visual == "sprite"){
 721                         infostream<<"GenericCAO::addToScene(): single_sprite"<<std::endl;
 722                         m_spritenode = smgr->addBillboardSceneNode(
 723                                         NULL, v2f(1, 1), v3f(0,0,0), -1);
 724                         m_spritenode->setMaterialTexture(0,
 725                                         tsrc->getTextureRaw("unknown_block.png"));
 726                         m_spritenode->setMaterialFlag(video::EMF_LIGHTING, false);
 727                         m_spritenode->setMaterialFlag(video::EMF_BILINEAR_FILTER, false);
 728                         m_spritenode->setMaterialType(video::EMT_TRANSPARENT_ALPHA_CHANNEL_REF);
 729                         m_spritenode->setMaterialFlag(video::EMF_FOG_ENABLE, true);
 730                         u8 li = m_last_light;
 731                         m_spritenode->setColor(video::SColor(255,li,li,li));
 732                         m_spritenode->setSize(m_prop.visual_size*BS);
 733                         {
 734                                 const float txs = 1.0 / 1;
 735                                 const float tys = 1.0 / 1;
 736                                 setBillboardTextureMatrix(m_spritenode,
 737                                                 txs, tys, 0, 0);
 738                         }
 739                 }
 740                 else if(m_prop.visual == "upright_sprite")
 741                 {
 742                         scene::SMesh *mesh = new scene::SMesh();
 743                         double dx = BS*m_prop.visual_size.X/2;
 744                         double dy = BS*m_prop.visual_size.Y/2;
 745                         { // Front
 746                         scene::IMeshBuffer *buf = new scene::SMeshBuffer();
 747                         u8 li = m_last_light;
 748                         video::SColor c(255,li,li,li);
 749                         video::S3DVertex vertices[4] =
 750                         {
 751                                 video::S3DVertex(-dx,-dy,0, 0,0,0, c, 0,1),
 752                                 video::S3DVertex(dx,-dy,0, 0,0,0, c, 1,1),
 753                                 video::S3DVertex(dx,dy,0, 0,0,0, c, 1,0),
 754                                 video::S3DVertex(-dx,dy,0, 0,0,0, c, 0,0),
 755                         };
 756                         u16 indices[] = {0,1,2,2,3,0};
 757                         buf->append(vertices, 4, indices, 6);
 758                         // Set material
 759                         buf->getMaterial().setFlag(video::EMF_LIGHTING, false);
 760                         buf->getMaterial().setFlag(video::EMF_BILINEAR_FILTER, false);
 761                         buf->getMaterial().setFlag(video::EMF_FOG_ENABLE, true);
 762                         buf->getMaterial().MaterialType = video::EMT_TRANSPARENT_ALPHA_CHANNEL;
 763                         // Add to mesh
 764                         mesh->addMeshBuffer(buf);
 765                         buf->drop();
 766                         }
 767                         { // Back
 768                         scene::IMeshBuffer *buf = new scene::SMeshBuffer();
 769                         u8 li = m_last_light;
 770                         video::SColor c(255,li,li,li);
 771                         video::S3DVertex vertices[4] =
 772                         {
 773                                 video::S3DVertex(dx,-dy,0, 0,0,0, c, 1,1),
 774                                 video::S3DVertex(-dx,-dy,0, 0,0,0, c, 0,1),
 775                                 video::S3DVertex(-dx,dy,0, 0,0,0, c, 0,0),
 776                                 video::S3DVertex(dx,dy,0, 0,0,0, c, 1,0),
 777                         };
 778                         u16 indices[] = {0,1,2,2,3,0};
 779                         buf->append(vertices, 4, indices, 6);
 780                         // Set material
 781                         buf->getMaterial().setFlag(video::EMF_LIGHTING, false);
 782                         buf->getMaterial().setFlag(video::EMF_BILINEAR_FILTER, false);
 783                         buf->getMaterial().setFlag(video::EMF_FOG_ENABLE, true);
 784                         buf->getMaterial().MaterialType = video::EMT_TRANSPARENT_ALPHA_CHANNEL_REF;
 785                         // Add to mesh
 786                         mesh->addMeshBuffer(buf);
 787                         buf->drop();
 788                         }
 789                         m_meshnode = smgr->addMeshSceneNode(mesh, NULL);
 790                         mesh->drop();
 791                         // Set it to use the materials of the meshbuffers directly.
 792                         // This is needed for changing the texture in the future
 793                         m_meshnode->setReadOnlyMaterials(true);
 794                 }
 795                 else if(m_prop.visual == "cube"){
 796                         infostream<<"GenericCAO::addToScene(): cube"<<std::endl;
 797                         scene::IMesh *mesh = createCubeMesh(v3f(BS,BS,BS));
 798                         m_meshnode = smgr->addMeshSceneNode(mesh, NULL);
 799                         mesh->drop();
 800
 801                         m_meshnode->setScale(v3f(m_prop.visual_size.X,
 802                                         m_prop.visual_size.Y,
 803                                         m_prop.visual_size.X));
 804                         u8 li = m_last_light;
 805                         setMeshColor(m_meshnode->getMesh(), video::SColor(255,li,li,li));
 806                 }
 807                 else if(m_prop.visual == "mesh"){
 808                         infostream<<"GenericCAO::addToScene(): mesh"<<std::endl;
 809                         scene::IAnimatedMesh *mesh = smgr->getMesh(m_prop.mesh.c_str());
 810                         if(mesh)
 811                         {
 812                                 m_animated_meshnode = smgr->addAnimatedMeshSceneNode(mesh, NULL);
 813                                 m_animated_meshnode->setMD2Animation(scene::EMAT_STAND);
 814                                 m_animated_meshnode->animateJoints(); // Needed for some animations
 815                                 m_animated_meshnode->setScale(v3f(m_prop.visual_size.X,
 816                                                 m_prop.visual_size.Y,
 817                                                 m_prop.visual_size.X));
 818                                 u8 li = m_last_light;
 819                                 setMeshColor(m_animated_meshnode->getMesh(), video::SColor(255,li,li,li));
 820                         }
 821                         else
 822                                 errorstream<<"GenericCAO::addToScene(): Could not load mesh "<<m_prop.mesh<<std::endl;
 823                 }
 824                 else if(m_prop.visual == "wielditem"){
 825                         infostream<<"GenericCAO::addToScene(): node"<<std::endl;
 826                         infostream<<"textures: "<<m_prop.textures.size()<<std::endl;
 827                         if(m_prop.textures.size() >= 1){
 828                                 infostream<<"textures[0]: "<<m_prop.textures[0]<<std::endl;
 829                                 IItemDefManager *idef = m_gamedef->idef();
 830                                 ItemStack item(m_prop.textures[0], 1, 0, "", idef);
 831                                 scene::IMesh *item_mesh = item.getDefinition(idef).wield_mesh;
 832
 833                                 // Copy mesh to be able to set unique vertex colors
 834                                 scene::IMeshManipulator *manip =
 835                                                 irr->getVideoDriver()->getMeshManipulator();
 836                                 scene::IMesh *mesh = manip->createMeshUniquePrimitives(item_mesh);
 837
 838                                 m_meshnode = smgr->addMeshSceneNode(mesh, NULL);
 839                                 mesh->drop();
 840
 841                                 m_meshnode->setScale(v3f(m_prop.visual_size.X/2,
 842                                                 m_prop.visual_size.Y/2,
 843                                                 m_prop.visual_size.X/2));
 844                                 u8 li = m_last_light;
 845                                 setMeshColor(m_meshnode->getMesh(), video::SColor(255,li,li,li));
 846                         }
 847                 } else {
 848                         infostream<<"GenericCAO::addToScene(): \""<<m_prop.visual
 849                                         <<"\" not supported"<<std::endl;
 850                 }
 851                 updateTextures("");
 852
 853                 scene::ISceneNode *node = NULL;
 854                 if(m_spritenode)
 855                         node = m_spritenode;
 856                 else if(m_animated_meshnode)
 857                         node = m_animated_meshnode;
 858                 else if(m_meshnode)
 859                         node = m_meshnode;
 860                 if(node && m_is_player && !m_is_local_player){
 861                         // Add a text node for showing the name
 862                         gui::IGUIEnvironment* gui = irr->getGUIEnvironment();
 863                         std::wstring wname = narrow_to_wide(m_name);
 864                         m_textnode = smgr->addTextSceneNode(gui->getBuiltInFont(),
 865                                         wname.c_str(), video::SColor(255,255,255,255), node);
 866                         m_textnode->setPosition(v3f(0, BS*1.1, 0));
 867                 }
 868
 869                 updateNodePos();
 870         }
 871
 872         void expireVisuals()
 873         {
 874                 m_visuals_expired = true;
 875         }
 876
 877         void updateLight(u8 light_at_pos)
 878         {
 879                 bool is_visible = (m_hp != 0);
 880                 u8 li = decode_light(light_at_pos);
 881                 if(li != m_last_light){
 882                         m_last_light = li;
 883                         video::SColor color(255,li,li,li);
 884                         if(m_meshnode){
 885                                 setMeshColor(m_meshnode->getMesh(), color);
 886                                 m_meshnode->setVisible(is_visible);
 887                         }
 888                         if(m_animated_meshnode){
 889                                 setMeshColor(m_animated_meshnode->getMesh(), color);
 890                                 m_animated_meshnode->setVisible(is_visible);
 891                         }
 892                         if(m_spritenode){
 893                                 m_spritenode->setColor(color);
 894                                 m_spritenode->setVisible(is_visible);
 895                         }
 896                 }
 897         }
 898
 899         v3s16 getLightPosition()
 900         {
 901                 return floatToInt(m_position, BS);
 902         }
 903
 904         void updateNodePos()
 905         {
 906                 if(m_meshnode){
 907                         m_meshnode->setPosition(pos_translator.vect_show);
 908                         v3f rot = m_meshnode->getRotation();
 909                         rot.Y = -m_yaw;
 910                         m_meshnode->setRotation(rot);
 911                 }
 912                 if(m_animated_meshnode){
 913                         m_animated_meshnode->setPosition(pos_translator.vect_show);
 914                         v3f rot = m_animated_meshnode->getRotation();
 915                         rot.Y = -m_yaw;
 916                         m_animated_meshnode->setRotation(rot);
 917                 }
 918                 if(m_spritenode){
 919                         m_spritenode->setPosition(pos_translator.vect_show);
 920                 }
 921         }
 922
 923         void step(float dtime, ClientEnvironment *env)
 924         {
 925                 v3f lastpos = pos_translator.vect_show;
 926
 927                 if(m_visuals_expired && m_smgr && m_irr){
 928                         m_visuals_expired = false;
 929                         removeFromScene();
 930                         addToScene(m_smgr, m_gamedef->tsrc(), m_irr);
 931                         updateAnimations();
 932                         updateBonePosRot();
 933                 }
 934
 935                 if(m_prop.physical){
 936                         core::aabbox3d<f32> box = m_prop.collisionbox;
 937                         box.MinEdge *= BS;
 938                         box.MaxEdge *= BS;
 939                         collisionMoveResult moveresult;
 940                         f32 pos_max_d = BS*0.125; // Distance per iteration
 941                         f32 stepheight = 0;
 942                         v3f p_pos = m_position;
 943                         v3f p_velocity = m_velocity;
 944                         v3f p_acceleration = m_acceleration;
 945                         IGameDef *gamedef = env->getGameDef();
 946                         moveresult = collisionMoveSimple(&env->getMap(), gamedef,
 947                                         pos_max_d, box, stepheight, dtime,
 948                                         p_pos, p_velocity, p_acceleration);
 949                         // Apply results
 950                         m_position = p_pos;
 951                         m_velocity = p_velocity;
 952                         m_acceleration = p_acceleration;
 953
 954                         bool is_end_position = moveresult.collides;
 955                         pos_translator.update(m_position, is_end_position, dtime);
 956                         pos_translator.translate(dtime);
 957                         updateNodePos();
 958                 } else {
 959                         m_position += dtime * m_velocity + 0.5 * dtime * dtime * m_acceleration;
 960                         m_velocity += dtime * m_acceleration;
 961                         pos_translator.update(m_position, pos_translator.aim_is_end, pos_translator.anim_time);
 962                         pos_translator.translate(dtime);
 963                         updateNodePos();
 964                 }
 965
 966                 float moved = lastpos.getDistanceFrom(pos_translator.vect_show);
 967                 m_step_distance_counter += moved;
 968                 if(m_step_distance_counter > 1.5*BS){
 969                         m_step_distance_counter = 0;
 970                         if(!m_is_local_player && m_prop.makes_footstep_sound){
 971                                 INodeDefManager *ndef = m_gamedef->ndef();
 972                                 v3s16 p = floatToInt(getPosition() + v3f(0,
 973                                                 (m_prop.collisionbox.MinEdge.Y-0.5)*BS, 0), BS);
 974                                 MapNode n = m_env->getMap().getNodeNoEx(p);
 975                                 SimpleSoundSpec spec = ndef->get(n).sound_footstep;
 976                                 m_gamedef->sound()->playSoundAt(spec, false, getPosition());
 977                         }
 978                 }
 979
 980                 m_anim_timer += dtime;
 981                 if(m_anim_timer >= m_anim_framelength){
 982                         m_anim_timer -= m_anim_framelength;
 983                         m_anim_frame++;
 984                         if(m_anim_frame >= m_anim_num_frames)
 985                                 m_anim_frame = 0;
 986                 }
 987
 988                 updateTexturePos();
 989
 990                 if(m_reset_textures_timer >= 0){
 991                         m_reset_textures_timer -= dtime;
 992                         if(m_reset_textures_timer <= 0){
 993                                 m_reset_textures_timer = -1;
 994                                 updateTextures("");
 995                         }
 996                 }
 997                 if(fabs(m_prop.automatic_rotate) > 0.001){
 998                         m_yaw += dtime * m_prop.automatic_rotate * 180 / M_PI;
 999                         updateNodePos();
1000                 }
1001         }
1002
1003         void updateTexturePos()
1004         {
1005                 if(m_spritenode){
1006                         scene::ICameraSceneNode* camera =
1007                                         m_spritenode->getSceneManager()->getActiveCamera();
1008                         if(!camera)
1009                                 return;
1010                         v3f cam_to_entity = m_spritenode->getAbsolutePosition()
1011                                         - camera->getAbsolutePosition();
1012                         cam_to_entity.normalize();
1013
1014                         int row = m_tx_basepos.Y;
1015                         int col = m_tx_basepos.X;
1016
1017                         if(m_tx_select_horiz_by_yawpitch)
1018                         {
1019                                 if(cam_to_entity.Y > 0.75)
1020                                         col += 5;
1021                                 else if(cam_to_entity.Y < -0.75)
1022                                         col += 4;
1023                                 else{
1024                                         float mob_dir = atan2(cam_to_entity.Z, cam_to_entity.X) / M_PI * 180.;
1025                                         float dir = mob_dir - m_yaw;
1026                                         dir = wrapDegrees_180(dir);
1027                                         //infostream<<"id="<<m_id<<" dir="<<dir<<std::endl;
1028                                         if(fabs(wrapDegrees_180(dir - 0)) <= 45.1)
1029                                                 col += 2;
1030                                         else if(fabs(wrapDegrees_180(dir - 90)) <= 45.1)
1031                                                 col += 3;
1032                                         else if(fabs(wrapDegrees_180(dir - 180)) <= 45.1)
1033                                                 col += 0;
1034                                         else if(fabs(wrapDegrees_180(dir + 90)) <= 45.1)
1035                                                 col += 1;
1036                                         else
1037                                                 col += 4;
1038                                 }
1039                         }
1040
1041                         // Animation goes downwards
1042                         row += m_anim_frame;
1043
1044                         float txs = m_tx_size.X;
1045                         float tys = m_tx_size.Y;
1046                         setBillboardTextureMatrix(m_spritenode,
1047                                         txs, tys, col, row);
1048                 }
1049         }
1050
1051         void updateTextures(const std::string &mod)
1052         {
1053                 ITextureSource *tsrc = m_gamedef->tsrc();
1054
1055                 if(m_spritenode)
1056                 {
1057                         if(m_prop.visual == "sprite")
1058                         {
1059                                 std::string texturestring = "unknown_block.png";
1060                                 if(m_prop.textures.size() >= 1)
1061                                         texturestring = m_prop.textures[0];
1062                                 texturestring += mod;
1063                                 m_spritenode->setMaterialTexture(0,
1064                                                 tsrc->getTextureRaw(texturestring));
1065                         }
1066                 }
1067                 if(m_animated_meshnode)
1068                 {
1069                         if(m_prop.visual == "mesh")
1070                         {
1071                                 for (u32 i = 0; i < m_prop.textures.size(); ++i)
1072                                 {
1073                                         std::string texturestring = m_prop.textures[i];
1074                                         if(texturestring == "")
1075                                                 continue; // Empty texture string means don't modify that material
1076                                         texturestring += mod;
1077                                         video::ITexture* texture = tsrc->getTextureRaw(texturestring);
1078                                         if(!texture)
1079                                         {
1080                                                 errorstream<<"GenericCAO::updateTextures(): Could not load texture "<<texturestring<<std::endl;
1081                                                 continue;
1082                                         }
1083
1084                                         // Set material flags and texture
1085                                         m_animated_meshnode->setMaterialTexture(i, texture);
1086                                         video::SMaterial& material = m_animated_meshnode->getMaterial(i);
1087                                         material.setFlag(video::EMF_LIGHTING, false);
1088                                         material.setFlag(video::EMF_BILINEAR_FILTER, false);
1089                                 }
1090                         }
1091                 }
1092                 if(m_meshnode)
1093                 {
1094                         if(m_prop.visual == "cube")
1095                         {
1096                                 for (u32 i = 0; i < 6; ++i)
1097                                 {
1098                                         std::string texturestring = "unknown_block.png";
1099                                         if(m_prop.textures.size() > i)
1100                                                 texturestring = m_prop.textures[i];
1101                                         texturestring += mod;
1102                                         AtlasPointer ap = tsrc->getTexture(texturestring);
1103
1104                                         // Get the tile texture and atlas transformation
1105                                         video::ITexture* atlas = ap.atlas;
1106                                         v2f pos = ap.pos;
1107                                         v2f size = ap.size;
1108
1109                                         // Set material flags and texture
1110                                         video::SMaterial& material = m_meshnode->getMaterial(i);
1111                                         material.setFlag(video::EMF_LIGHTING, false);
1112                                         material.setFlag(video::EMF_BILINEAR_FILTER, false);
1113                                         material.setTexture(0, atlas);
1114                                         material.getTextureMatrix(0).setTextureTranslate(pos.X, pos.Y);
1115                                         material.getTextureMatrix(0).setTextureScale(size.X, size.Y);
1116                                 }
1117                         }
1118                         else if(m_prop.visual == "upright_sprite")
1119                         {
1120                                 scene::IMesh *mesh = m_meshnode->getMesh();
1121                                 {
1122                                         std::string tname = "unknown_object.png";
1123                                         if(m_prop.textures.size() >= 1)
1124                                                 tname = m_prop.textures[0];
1125                                         tname += mod;
1126                                         scene::IMeshBuffer *buf = mesh->getMeshBuffer(0);
1127                                         buf->getMaterial().setTexture(0,
1128                                                         tsrc->getTextureRaw(tname));
1129                                 }
1130                                 {
1131                                         std::string tname = "unknown_object.png";
1132                                         if(m_prop.textures.size() >= 2)
1133                                                 tname = m_prop.textures[1];
1134                                         else if(m_prop.textures.size() >= 1)
1135                                                 tname = m_prop.textures[0];
1136                                         tname += mod;
1137                                         scene::IMeshBuffer *buf = mesh->getMeshBuffer(1);
1138                                         buf->getMaterial().setTexture(0,
1139                                                         tsrc->getTextureRaw(tname));
1140                                 }
1141                         }
1142                 }
1143         }
1144
1145         void updateAnimations()
1146         {
1147                 if(!m_animated_meshnode)
1148                         return;
1149
1150                 m_animated_meshnode->setFrameLoop((int)m_frames.X, (int)m_frames.Y);
1151                 m_animated_meshnode->setAnimationSpeed(m_frame_speed);
1152                 m_animated_meshnode->setTransitionTime(m_frame_blend);
1153         }
1154
1155         void updateBonePosRot()
1156         {
1157                 if(m_bone_posrot.size() > 0)
1158                 {
1159                         m_animated_meshnode->setJointMode(irr::scene::EJUOR_CONTROL); // To write positions to the mesh on render
1160                         for(std::map<std::string, core::vector2d<v3f> >::const_iterator ii = m_bone_posrot.begin(); ii != m_bone_posrot.end(); ++ii){
1161                                 std::string bone_name = (*ii).first;
1162                                 v3f bone_pos = (*ii).second.X;
1163                                 v3f bone_rot = (*ii).second.Y;
1164                                 irr::scene::IBoneSceneNode* bone = m_animated_meshnode->getJointNode(bone_name.c_str());
1165                                 bone->setPosition(bone_pos);
1166                                 bone->setRotation(bone_rot);
1167                         }
1168                 }
1169         }
1170
1171         void processMessage(const std::string &data)
1172         {
1173                 //infostream<<"GenericCAO: Got message"<<std::endl;
1174                 std::istringstream is(data, std::ios::binary);
1175                 // command
1176                 u8 cmd = readU8(is);
1177                 if(cmd == GENERIC_CMD_SET_PROPERTIES)
1178                 {
1179                         m_prop = gob_read_set_properties(is);
1180
1181                         m_selection_box = m_prop.collisionbox;
1182                         m_selection_box.MinEdge *= BS;
1183                         m_selection_box.MaxEdge *= BS;
1184
1185                         m_tx_size.X = 1.0 / m_prop.spritediv.X;
1186                         m_tx_size.Y = 1.0 / m_prop.spritediv.Y;
1187
1188                         if(!m_initial_tx_basepos_set){
1189                                 m_initial_tx_basepos_set = true;
1190                                 m_tx_basepos = m_prop.initial_sprite_basepos;
1191                         }
1192
1193                         expireVisuals();
1194                 }
1195                 else if(cmd == GENERIC_CMD_UPDATE_POSITION)
1196                 {
1197                         m_position = readV3F1000(is);
1198                         m_velocity = readV3F1000(is);
1199                         m_acceleration = readV3F1000(is);
1200                         if(fabs(m_prop.automatic_rotate) < 0.001)
1201                                 m_yaw = readF1000(is);
1202                         bool do_interpolate = readU8(is);
1203                         bool is_end_position = readU8(is);
1204                         float update_interval = readF1000(is);
1205
1206                         // Place us a bit higher if we're physical, to not sink into
1207                         // the ground due to sucky collision detection...
1208                         if(m_prop.physical)
1209                                 m_position += v3f(0,0.002,0);
1210
1211                         if(do_interpolate){
1212                                 if(!m_prop.physical)
1213                                         pos_translator.update(m_position, is_end_position, update_interval);
1214                         } else {
1215                                 pos_translator.init(m_position);
1216                         }
1217                         updateNodePos();
1218                 }
1219                 else if(cmd == GENERIC_CMD_SET_TEXTURE_MOD)
1220                 {
1221                         std::string mod = deSerializeString(is);
1222                         updateTextures(mod);
1223                 }
1224                 else if(cmd == GENERIC_CMD_SET_SPRITE)
1225                 {
1226                         v2s16 p = readV2S16(is);
1227                         int num_frames = readU16(is);
1228                         float framelength = readF1000(is);
1229                         bool select_horiz_by_yawpitch = readU8(is);
1230
1231                         m_tx_basepos = p;
1232                         m_anim_num_frames = num_frames;
1233                         m_anim_framelength = framelength;
1234                         m_tx_select_horiz_by_yawpitch = select_horiz_by_yawpitch;
1235
1236                         updateTexturePos();
1237                 }
1238                 else if(cmd == GENERIC_CMD_SET_ANIMATIONS)
1239                 {
1240                         m_frames = readV2F1000(is);
1241                         m_frame_speed = readF1000(is);
1242                         m_frame_blend = readF1000(is);
1243
1244                         updateAnimations();
1245                         expireVisuals();
1246                 }
1247                 else if(cmd == GENERIC_CMD_SET_BONE_POSROT)
1248                 {
1249                         std::string bone = deSerializeString(is);
1250                         v3f position = readV3F1000(is);
1251                         v3f rotation = readV3F1000(is);
1252                         m_bone_posrot[bone] = core::vector2d<v3f>(position, rotation);
1253
1254                         updateBonePosRot();
1255                         expireVisuals();
1256                 }
1257                 else if(cmd == GENERIC_CMD_PUNCHED)
1258                 {
1259                         /*s16 damage =*/ readS16(is);
1260                         s16 result_hp = readS16(is);
1261
1262                         m_hp = result_hp;
1263                 }
1264                 else if(cmd == GENERIC_CMD_UPDATE_ARMOR_GROUPS)
1265                 {
1266                         m_armor_groups.clear();
1267                         int armor_groups_size = readU16(is);
1268                         for(int i=0; i<armor_groups_size; i++){
1269                                 std::string name = deSerializeString(is);
1270                                 int rating = readS16(is);
1271                                 m_armor_groups[name] = rating;
1272                         }
1273                 }
1274         }
1275
1276         bool directReportPunch(v3f dir, const ItemStack *punchitem=NULL,
1277                         float time_from_last_punch=1000000)
1278         {
1279                 assert(punchitem);
1280                 const ToolCapabilities *toolcap =
1281                                 &punchitem->getToolCapabilities(m_gamedef->idef());
1282                 PunchDamageResult result = getPunchDamage(
1283                                 m_armor_groups,
1284                                 toolcap,
1285                                 punchitem,
1286                                 time_from_last_punch);
1287
1288                 if(result.did_punch && result.damage != 0)
1289                 {
1290                         if(result.damage < m_hp){
1291                                 m_hp -= result.damage;
1292                         } else {
1293                                 m_hp = 0;
1294                                 // TODO: Execute defined fast response
1295                                 // As there is no definition, make a smoke puff
1296                                 ClientSimpleObject *simple = createSmokePuff(
1297                                                 m_smgr, m_env, m_position,
1298                                                 m_prop.visual_size * BS);
1299                                 m_env->addSimpleObject(simple);
1300                         }
1301                         // TODO: Execute defined fast response
1302                         // Flashing shall suffice as there is no definition
1303                         m_reset_textures_timer = 0.05;
1304                         if(result.damage >= 2)
1305                                 m_reset_textures_timer += 0.05 * result.damage;
1306                         updateTextures("^[brighten");
1307                 }
1308
1309                 return false;
1310         }
1311
1312         std::string debugInfoText()
1313         {
1314                 std::ostringstream os(std::ios::binary);
1315                 os<<"GenericCAO hp="<<m_hp<<"\n";
1316                 os<<"armor={";
1317                 for(ItemGroupList::const_iterator i = m_armor_groups.begin();
1318                                 i != m_armor_groups.end(); i++){
1319                         os<<i->first<<"="<<i->second<<", ";
1320                 }
1321                 os<<"}";
1322                 return os.str();
1323         }
1324 };
1325
1326 // Prototype
1327 GenericCAO proto_GenericCAO(NULL, NULL);
1328
1329