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         int m_id;
 559         // Property-ish things
 560         ObjectProperties m_prop;
 561         //
 562         scene::ISceneManager *m_smgr;
 563         IrrlichtDevice *m_irr;
 564         core::aabbox3d<f32> m_selection_box;
 565         scene::IMeshSceneNode *m_meshnode;
 566         scene::IAnimatedMeshSceneNode *m_animated_meshnode;
 567         scene::IBillboardSceneNode *m_spritenode;
 568         scene::ITextSceneNode* m_textnode;
 569         v3f m_position;
 570         v3f m_velocity;
 571         v3f m_acceleration;
 572         float m_yaw;
 573         s16 m_hp;
 574         SmoothTranslator pos_translator;
 575         // Spritesheet/animation stuff
 576         v2f m_tx_size;
 577         v2s16 m_tx_basepos;
 578         bool m_initial_tx_basepos_set;
 579         bool m_tx_select_horiz_by_yawpitch;
 580         v2f m_frames;
 581         int m_frame_speed;
 582         int m_frame_blend;
 583         std::map<std::string, core::vector2d<v3f> > m_bone_posrot;
 584         int m_anim_frame;
 585         int m_anim_num_frames;
 586         float m_anim_framelength;
 587         float m_anim_timer;
 588         ItemGroupList m_armor_groups;
 589         float m_reset_textures_timer;
 590         bool m_visuals_expired;
 591         float m_step_distance_counter;
 592         u8 m_last_light;
 593
 594 public:
 595         GenericCAO(IGameDef *gamedef, ClientEnvironment *env):
 596                 ClientActiveObject(0, gamedef, env),
 597                 //
 598                 m_is_player(false),
 599                 m_is_local_player(false),
 600                 m_id(0),
 601                 //
 602                 m_smgr(NULL),
 603                 m_irr(NULL),
 604                 m_selection_box(-BS/3.,-BS/3.,-BS/3., BS/3.,BS/3.,BS/3.),
 605                 m_meshnode(NULL),
 606                 m_animated_meshnode(NULL),
 607                 m_spritenode(NULL),
 608                 m_textnode(NULL),
 609                 m_position(v3f(0,10*BS,0)),
 610                 m_velocity(v3f(0,0,0)),
 611                 m_acceleration(v3f(0,0,0)),
 612                 m_yaw(0),
 613                 m_hp(1),
 614                 m_tx_size(1,1),
 615                 m_tx_basepos(0,0),
 616                 m_initial_tx_basepos_set(false),
 617                 m_tx_select_horiz_by_yawpitch(false),
 618                 m_anim_frame(0),
 619                 m_anim_num_frames(1),
 620                 m_anim_framelength(0.2),
 621                 m_anim_timer(0),
 622                 m_reset_textures_timer(-1),
 623                 m_visuals_expired(false),
 624                 m_step_distance_counter(0),
 625                 m_last_light(255)
 626         {
 627                 if(gamedef == NULL)
 628                         ClientActiveObject::registerType(getType(), create);
 629         }
 630
 631         void initialize(const std::string &data)
 632         {
 633                 infostream<<"GenericCAO: Got init data"<<std::endl;
 634                 std::istringstream is(data, std::ios::binary);
 635                 // version
 636                 u8 version = readU8(is);
 637                 // check version
 638                 if(version != 0){
 639                         errorstream<<"GenericCAO: Unsupported init data version"
 640                                         <<std::endl;
 641                         return;
 642                 }
 643                 m_name = deSerializeString(is);
 644                 m_is_player = readU8(is);
 645                 m_id = readS16(is);
 646                 m_position = readV3F1000(is);
 647                 m_yaw = readF1000(is);
 648                 m_hp = readS16(is);
 649
 650                 int num_messages = readU8(is);
 651                 for(int i=0; i<num_messages; i++){
 652                         std::string message = deSerializeLongString(is);
 653                         processMessage(message);
 654                 }
 655
 656                 pos_translator.init(m_position);
 657                 updateNodePos();
 658
 659                 if(m_is_player){
 660                         Player *player = m_env->getPlayer(m_name.c_str());
 661                         if(player && player->isLocal()){
 662                                 m_is_local_player = true;
 663                         }
 664                 }
 665         }
 666
 667         ~GenericCAO()
 668         {
 669         }
 670
 671         static ClientActiveObject* create(IGameDef *gamedef, ClientEnvironment *env)
 672         {
 673                 return new GenericCAO(gamedef, env);
 674         }
 675
 676         u8 getType() const
 677         {
 678                 return ACTIVEOBJECT_TYPE_GENERIC;
 679         }
 680         core::aabbox3d<f32>* getSelectionBox()
 681         {
 682                 if(!m_prop.is_visible || m_is_local_player)
 683                         return NULL;
 684                 return &m_selection_box;
 685         }
 686         v3f getPosition()
 687         {
 688                 return pos_translator.vect_show;
 689         }
 690
 691         void removeFromScene()
 692         {
 693                 if(m_meshnode){
 694                         m_meshnode->remove();
 695                         m_meshnode = NULL;
 696                 }
 697                 if(m_animated_meshnode){
 698                         m_animated_meshnode->remove();
 699                         m_animated_meshnode = NULL;
 700                 }
 701                 if(m_spritenode){
 702                         m_spritenode->remove();
 703                         m_spritenode = NULL;
 704                 }
 705         }
 706
 707         void addToScene(scene::ISceneManager *smgr, ITextureSource *tsrc,
 708                         IrrlichtDevice *irr)
 709         {
 710                 m_smgr = smgr;
 711                 m_irr = irr;
 712
 713                 if(m_meshnode != NULL || m_animated_meshnode != NULL || m_spritenode != NULL)
 714                         return;
 715
 716                 m_visuals_expired = false;
 717
 718                 if(!m_prop.is_visible || m_is_local_player)
 719                         return;
 720
 721                 //video::IVideoDriver* driver = smgr->getVideoDriver();
 722
 723                 if(m_prop.visual == "sprite"){
 724                         infostream<<"GenericCAO::addToScene(): single_sprite"<<std::endl;
 725                         m_spritenode = smgr->addBillboardSceneNode(
 726                                         NULL, v2f(1, 1), v3f(0,0,0), -1);
 727                         m_spritenode->setMaterialTexture(0,
 728                                         tsrc->getTextureRaw("unknown_block.png"));
 729                         m_spritenode->setMaterialFlag(video::EMF_LIGHTING, false);
 730                         m_spritenode->setMaterialFlag(video::EMF_BILINEAR_FILTER, false);
 731                         m_spritenode->setMaterialType(video::EMT_TRANSPARENT_ALPHA_CHANNEL_REF);
 732                         m_spritenode->setMaterialFlag(video::EMF_FOG_ENABLE, true);
 733                         u8 li = m_last_light;
 734                         m_spritenode->setColor(video::SColor(255,li,li,li));
 735                         m_spritenode->setSize(m_prop.visual_size*BS);
 736                         {
 737                                 const float txs = 1.0 / 1;
 738                                 const float tys = 1.0 / 1;
 739                                 setBillboardTextureMatrix(m_spritenode,
 740                                                 txs, tys, 0, 0);
 741                         }
 742                 }
 743                 else if(m_prop.visual == "upright_sprite")
 744                 {
 745                         scene::SMesh *mesh = new scene::SMesh();
 746                         double dx = BS*m_prop.visual_size.X/2;
 747                         double dy = BS*m_prop.visual_size.Y/2;
 748                         { // Front
 749                         scene::IMeshBuffer *buf = new scene::SMeshBuffer();
 750                         u8 li = m_last_light;
 751                         video::SColor c(255,li,li,li);
 752                         video::S3DVertex vertices[4] =
 753                         {
 754                                 video::S3DVertex(-dx,-dy,0, 0,0,0, c, 0,1),
 755                                 video::S3DVertex(dx,-dy,0, 0,0,0, c, 1,1),
 756                                 video::S3DVertex(dx,dy,0, 0,0,0, c, 1,0),
 757                                 video::S3DVertex(-dx,dy,0, 0,0,0, c, 0,0),
 758                         };
 759                         u16 indices[] = {0,1,2,2,3,0};
 760                         buf->append(vertices, 4, indices, 6);
 761                         // Set material
 762                         buf->getMaterial().setFlag(video::EMF_LIGHTING, false);
 763                         buf->getMaterial().setFlag(video::EMF_BILINEAR_FILTER, false);
 764                         buf->getMaterial().setFlag(video::EMF_FOG_ENABLE, true);
 765                         buf->getMaterial().MaterialType = video::EMT_TRANSPARENT_ALPHA_CHANNEL;
 766                         // Add to mesh
 767                         mesh->addMeshBuffer(buf);
 768                         buf->drop();
 769                         }
 770                         { // Back
 771                         scene::IMeshBuffer *buf = new scene::SMeshBuffer();
 772                         u8 li = m_last_light;
 773                         video::SColor c(255,li,li,li);
 774                         video::S3DVertex vertices[4] =
 775                         {
 776                                 video::S3DVertex(dx,-dy,0, 0,0,0, c, 1,1),
 777                                 video::S3DVertex(-dx,-dy,0, 0,0,0, c, 0,1),
 778                                 video::S3DVertex(-dx,dy,0, 0,0,0, c, 0,0),
 779                                 video::S3DVertex(dx,dy,0, 0,0,0, c, 1,0),
 780                         };
 781                         u16 indices[] = {0,1,2,2,3,0};
 782                         buf->append(vertices, 4, indices, 6);
 783                         // Set material
 784                         buf->getMaterial().setFlag(video::EMF_LIGHTING, false);
 785                         buf->getMaterial().setFlag(video::EMF_BILINEAR_FILTER, false);
 786                         buf->getMaterial().setFlag(video::EMF_FOG_ENABLE, true);
 787                         buf->getMaterial().MaterialType = video::EMT_TRANSPARENT_ALPHA_CHANNEL_REF;
 788                         // Add to mesh
 789                         mesh->addMeshBuffer(buf);
 790                         buf->drop();
 791                         }
 792                         m_meshnode = smgr->addMeshSceneNode(mesh, NULL);
 793                         mesh->drop();
 794                         // Set it to use the materials of the meshbuffers directly.
 795                         // This is needed for changing the texture in the future
 796                         m_meshnode->setReadOnlyMaterials(true);
 797                 }
 798                 else if(m_prop.visual == "cube"){
 799                         infostream<<"GenericCAO::addToScene(): cube"<<std::endl;
 800                         scene::IMesh *mesh = createCubeMesh(v3f(BS,BS,BS));
 801                         m_meshnode = smgr->addMeshSceneNode(mesh, NULL);
 802                         mesh->drop();
 803
 804                         m_meshnode->setScale(v3f(m_prop.visual_size.X,
 805                                         m_prop.visual_size.Y,
 806                                         m_prop.visual_size.X));
 807                         u8 li = m_last_light;
 808                         setMeshColor(m_meshnode->getMesh(), video::SColor(255,li,li,li));
 809                 }
 810                 else if(m_prop.visual == "mesh"){
 811                         infostream<<"GenericCAO::addToScene(): mesh"<<std::endl;
 812                         scene::IAnimatedMesh *mesh = smgr->getMesh(m_prop.mesh.c_str());
 813                         if(mesh)
 814                         {
 815                                 m_animated_meshnode = smgr->addAnimatedMeshSceneNode(mesh, NULL);
 816                                 m_animated_meshnode->setMD2Animation(scene::EMAT_STAND);
 817                                 m_animated_meshnode->animateJoints(); // Needed for some animations
 818                                 m_animated_meshnode->setScale(v3f(m_prop.visual_size.X,
 819                                                 m_prop.visual_size.Y,
 820                                                 m_prop.visual_size.X));
 821                                 u8 li = m_last_light;
 822                                 setMeshColor(m_animated_meshnode->getMesh(), video::SColor(255,li,li,li));
 823                         }
 824                         else
 825                                 errorstream<<"GenericCAO::addToScene(): Could not load mesh "<<m_prop.mesh<<std::endl;
 826                 }
 827                 else if(m_prop.visual == "wielditem"){
 828                         infostream<<"GenericCAO::addToScene(): node"<<std::endl;
 829                         infostream<<"textures: "<<m_prop.textures.size()<<std::endl;
 830                         if(m_prop.textures.size() >= 1){
 831                                 infostream<<"textures[0]: "<<m_prop.textures[0]<<std::endl;
 832                                 IItemDefManager *idef = m_gamedef->idef();
 833                                 ItemStack item(m_prop.textures[0], 1, 0, "", idef);
 834                                 scene::IMesh *item_mesh = item.getDefinition(idef).wield_mesh;
 835
 836                                 // Copy mesh to be able to set unique vertex colors
 837                                 scene::IMeshManipulator *manip =
 838                                                 irr->getVideoDriver()->getMeshManipulator();
 839                                 scene::IMesh *mesh = manip->createMeshUniquePrimitives(item_mesh);
 840
 841                                 m_meshnode = smgr->addMeshSceneNode(mesh, NULL);
 842                                 mesh->drop();
 843
 844                                 m_meshnode->setScale(v3f(m_prop.visual_size.X/2,
 845                                                 m_prop.visual_size.Y/2,
 846                                                 m_prop.visual_size.X/2));
 847                                 u8 li = m_last_light;
 848                                 setMeshColor(m_meshnode->getMesh(), video::SColor(255,li,li,li));
 849                         }
 850                 } else {
 851                         infostream<<"GenericCAO::addToScene(): \""<<m_prop.visual
 852                                         <<"\" not supported"<<std::endl;
 853                 }
 854                 updateTextures("");
 855
 856                 scene::ISceneNode *node = NULL;
 857                 if(m_spritenode)
 858                         node = m_spritenode;
 859                 else if(m_animated_meshnode)
 860                         node = m_animated_meshnode;
 861                 else if(m_meshnode)
 862                         node = m_meshnode;
 863                 if(node && m_is_player && !m_is_local_player){
 864                         // Add a text node for showing the name
 865                         gui::IGUIEnvironment* gui = irr->getGUIEnvironment();
 866                         std::wstring wname = narrow_to_wide(m_name);
 867                         m_textnode = smgr->addTextSceneNode(gui->getBuiltInFont(),
 868                                         wname.c_str(), video::SColor(255,255,255,255), node);
 869                         m_textnode->setPosition(v3f(0, BS*1.1, 0));
 870                 }
 871
 872                 updateNodePos();
 873         }
 874
 875         void expireVisuals()
 876         {
 877                 m_visuals_expired = true;
 878         }
 879
 880         void updateLight(u8 light_at_pos)
 881         {
 882                 bool is_visible = (m_hp != 0);
 883                 u8 li = decode_light(light_at_pos);
 884                 if(li != m_last_light){
 885                         m_last_light = li;
 886                         video::SColor color(255,li,li,li);
 887                         if(m_meshnode){
 888                                 setMeshColor(m_meshnode->getMesh(), color);
 889                                 m_meshnode->setVisible(is_visible);
 890                         }
 891                         if(m_animated_meshnode){
 892                                 setMeshColor(m_animated_meshnode->getMesh(), color);
 893                                 m_animated_meshnode->setVisible(is_visible);
 894                         }
 895                         if(m_spritenode){
 896                                 m_spritenode->setColor(color);
 897                                 m_spritenode->setVisible(is_visible);
 898                         }
 899                 }
 900         }
 901
 902         v3s16 getLightPosition()
 903         {
 904                 return floatToInt(m_position, BS);
 905         }
 906
 907         void updateNodePos()
 908         {
 909                 if(m_meshnode){
 910                         m_meshnode->setPosition(pos_translator.vect_show);
 911                         v3f rot = m_meshnode->getRotation();
 912                         rot.Y = -m_yaw;
 913                         m_meshnode->setRotation(rot);
 914                 }
 915                 if(m_animated_meshnode){
 916                         m_animated_meshnode->setPosition(pos_translator.vect_show);
 917                         v3f rot = m_animated_meshnode->getRotation();
 918                         rot.Y = -m_yaw;
 919                         m_animated_meshnode->setRotation(rot);
 920                 }
 921                 if(m_spritenode){
 922                         m_spritenode->setPosition(pos_translator.vect_show);
 923                 }
 924         }
 925
 926         void step(float dtime, ClientEnvironment *env)
 927         {
 928                 v3f lastpos = pos_translator.vect_show;
 929
 930                 if(m_visuals_expired && m_smgr && m_irr){
 931                         m_visuals_expired = false;
 932                         removeFromScene();
 933                         addToScene(m_smgr, m_gamedef->tsrc(), m_irr);
 934                         updateAnimations();
 935                         updateBonePosRot();
 936                         updateAttachment();
 937                 }
 938
 939                 if(m_prop.physical){
 940                         core::aabbox3d<f32> box = m_prop.collisionbox;
 941                         box.MinEdge *= BS;
 942                         box.MaxEdge *= BS;
 943                         collisionMoveResult moveresult;
 944                         f32 pos_max_d = BS*0.125; // Distance per iteration
 945                         f32 stepheight = 0;
 946                         v3f p_pos = m_position;
 947                         v3f p_velocity = m_velocity;
 948                         v3f p_acceleration = m_acceleration;
 949                         IGameDef *gamedef = env->getGameDef();
 950                         moveresult = collisionMoveSimple(&env->getMap(), gamedef,
 951                                         pos_max_d, box, stepheight, dtime,
 952                                         p_pos, p_velocity, p_acceleration);
 953                         // Apply results
 954                         m_position = p_pos;
 955                         m_velocity = p_velocity;
 956                         m_acceleration = p_acceleration;
 957
 958                         bool is_end_position = moveresult.collides;
 959                         pos_translator.update(m_position, is_end_position, dtime);
 960                         pos_translator.translate(dtime);
 961                         updateNodePos();
 962                 } else {
 963                         m_position += dtime * m_velocity + 0.5 * dtime * dtime * m_acceleration;
 964                         m_velocity += dtime * m_acceleration;
 965                         pos_translator.update(m_position, pos_translator.aim_is_end, pos_translator.anim_time);
 966                         pos_translator.translate(dtime);
 967                         updateNodePos();
 968                 }
 969
 970                 float moved = lastpos.getDistanceFrom(pos_translator.vect_show);
 971                 m_step_distance_counter += moved;
 972                 if(m_step_distance_counter > 1.5*BS){
 973                         m_step_distance_counter = 0;
 974                         if(!m_is_local_player && m_prop.makes_footstep_sound){
 975                                 INodeDefManager *ndef = m_gamedef->ndef();
 976                                 v3s16 p = floatToInt(getPosition() + v3f(0,
 977                                                 (m_prop.collisionbox.MinEdge.Y-0.5)*BS, 0), BS);
 978                                 MapNode n = m_env->getMap().getNodeNoEx(p);
 979                                 SimpleSoundSpec spec = ndef->get(n).sound_footstep;
 980                                 m_gamedef->sound()->playSoundAt(spec, false, getPosition());
 981                         }
 982                 }
 983
 984                 m_anim_timer += dtime;
 985                 if(m_anim_timer >= m_anim_framelength){
 986                         m_anim_timer -= m_anim_framelength;
 987                         m_anim_frame++;
 988                         if(m_anim_frame >= m_anim_num_frames)
 989                                 m_anim_frame = 0;
 990                 }
 991
 992                 updateTexturePos();
 993
 994                 if(m_reset_textures_timer >= 0){
 995                         m_reset_textures_timer -= dtime;
 996                         if(m_reset_textures_timer <= 0){
 997                                 m_reset_textures_timer = -1;
 998                                 updateTextures("");
 999                         }
1000                 }
1001                 if(fabs(m_prop.automatic_rotate) > 0.001){
1002                         m_yaw += dtime * m_prop.automatic_rotate * 180 / M_PI;
1003                         updateNodePos();
1004                 }
1005         }
1006
1007         void updateTexturePos()
1008         {
1009                 if(m_spritenode){
1010                         scene::ICameraSceneNode* camera =
1011                                         m_spritenode->getSceneManager()->getActiveCamera();
1012                         if(!camera)
1013                                 return;
1014                         v3f cam_to_entity = m_spritenode->getAbsolutePosition()
1015                                         - camera->getAbsolutePosition();
1016                         cam_to_entity.normalize();
1017
1018                         int row = m_tx_basepos.Y;
1019                         int col = m_tx_basepos.X;
1020
1021                         if(m_tx_select_horiz_by_yawpitch)
1022                         {
1023                                 if(cam_to_entity.Y > 0.75)
1024                                         col += 5;
1025                                 else if(cam_to_entity.Y < -0.75)
1026                                         col += 4;
1027                                 else{
1028                                         float mob_dir = atan2(cam_to_entity.Z, cam_to_entity.X) / M_PI * 180.;
1029                                         float dir = mob_dir - m_yaw;
1030                                         dir = wrapDegrees_180(dir);
1031                                         //infostream<<"id="<<m_id<<" dir="<<dir<<std::endl;
1032                                         if(fabs(wrapDegrees_180(dir - 0)) <= 45.1)
1033                                                 col += 2;
1034                                         else if(fabs(wrapDegrees_180(dir - 90)) <= 45.1)
1035                                                 col += 3;
1036                                         else if(fabs(wrapDegrees_180(dir - 180)) <= 45.1)
1037                                                 col += 0;
1038                                         else if(fabs(wrapDegrees_180(dir + 90)) <= 45.1)
1039                                                 col += 1;
1040                                         else
1041                                                 col += 4;
1042                                 }
1043                         }
1044
1045                         // Animation goes downwards
1046                         row += m_anim_frame;
1047
1048                         float txs = m_tx_size.X;
1049                         float tys = m_tx_size.Y;
1050                         setBillboardTextureMatrix(m_spritenode,
1051                                         txs, tys, col, row);
1052                 }
1053         }
1054
1055         void updateTextures(const std::string &mod)
1056         {
1057                 ITextureSource *tsrc = m_gamedef->tsrc();
1058
1059                 if(m_spritenode)
1060                 {
1061                         if(m_prop.visual == "sprite")
1062                         {
1063                                 std::string texturestring = "unknown_block.png";
1064                                 if(m_prop.textures.size() >= 1)
1065                                         texturestring = m_prop.textures[0];
1066                                 texturestring += mod;
1067                                 m_spritenode->setMaterialTexture(0,
1068                                                 tsrc->getTextureRaw(texturestring));
1069
1070                                 // Does not work yet with the current lighting settings
1071                                 m_meshnode->getMaterial(0).AmbientColor = m_prop.colors[0];
1072                                 m_meshnode->getMaterial(0).DiffuseColor = m_prop.colors[0];
1073                         }
1074                 }
1075                 if(m_animated_meshnode)
1076                 {
1077                         if(m_prop.visual == "mesh")
1078                         {
1079                                 for (u32 i = 0; i < m_prop.textures.size(); ++i)
1080                                 {
1081                                         std::string texturestring = m_prop.textures[i];
1082                                         if(texturestring == "")
1083                                                 continue; // Empty texture string means don't modify that material
1084                                         texturestring += mod;
1085                                         video::ITexture* texture = tsrc->getTextureRaw(texturestring);
1086                                         if(!texture)
1087                                         {
1088                                                 errorstream<<"GenericCAO::updateTextures(): Could not load texture "<<texturestring<<std::endl;
1089                                                 continue;
1090                                         }
1091
1092                                         // Set material flags and texture
1093                                         m_animated_meshnode->setMaterialTexture(i, texture);
1094                                         video::SMaterial& material = m_animated_meshnode->getMaterial(i);
1095                                         material.setFlag(video::EMF_LIGHTING, false);
1096                                         material.setFlag(video::EMF_BILINEAR_FILTER, false);
1097                                 }
1098                                 for (u32 i = 0; i < m_prop.colors.size(); ++i)
1099                                 {
1100                                         // Does not work yet with the current lighting settings
1101                                         m_animated_meshnode->getMaterial(i).AmbientColor = m_prop.colors[i];
1102                                         m_animated_meshnode->getMaterial(i).DiffuseColor = m_prop.colors[i];
1103                                 }
1104                         }
1105                 }
1106                 if(m_meshnode)
1107                 {
1108                         if(m_prop.visual == "cube")
1109                         {
1110                                 for (u32 i = 0; i < 6; ++i)
1111                                 {
1112                                         std::string texturestring = "unknown_block.png";
1113                                         if(m_prop.textures.size() > i)
1114                                                 texturestring = m_prop.textures[i];
1115                                         texturestring += mod;
1116                                         AtlasPointer ap = tsrc->getTexture(texturestring);
1117
1118                                         // Get the tile texture and atlas transformation
1119                                         video::ITexture* atlas = ap.atlas;
1120                                         v2f pos = ap.pos;
1121                                         v2f size = ap.size;
1122
1123                                         // Set material flags and texture
1124                                         video::SMaterial& material = m_meshnode->getMaterial(i);
1125                                         material.setFlag(video::EMF_LIGHTING, false);
1126                                         material.setFlag(video::EMF_BILINEAR_FILTER, false);
1127                                         material.setTexture(0, atlas);
1128                                         material.getTextureMatrix(0).setTextureTranslate(pos.X, pos.Y);
1129                                         material.getTextureMatrix(0).setTextureScale(size.X, size.Y);
1130
1131                                         // Does not work yet with the current lighting settings
1132                                         m_meshnode->getMaterial(i).AmbientColor = m_prop.colors[i];
1133                                         m_meshnode->getMaterial(i).DiffuseColor = m_prop.colors[i];
1134                                 }
1135                         }
1136                         else if(m_prop.visual == "upright_sprite")
1137                         {
1138                                 scene::IMesh *mesh = m_meshnode->getMesh();
1139                                 {
1140                                         std::string tname = "unknown_object.png";
1141                                         if(m_prop.textures.size() >= 1)
1142                                                 tname = m_prop.textures[0];
1143                                         tname += mod;
1144                                         scene::IMeshBuffer *buf = mesh->getMeshBuffer(0);
1145                                         buf->getMaterial().setTexture(0,
1146                                                         tsrc->getTextureRaw(tname));
1147
1148                                         // Does not work yet with the current lighting settings
1149                                         m_meshnode->getMaterial(0).AmbientColor = m_prop.colors[0];
1150                                         m_meshnode->getMaterial(0).DiffuseColor = m_prop.colors[0];
1151                                 }
1152                                 {
1153                                         std::string tname = "unknown_object.png";
1154                                         if(m_prop.textures.size() >= 2)
1155                                                 tname = m_prop.textures[1];
1156                                         else if(m_prop.textures.size() >= 1)
1157                                                 tname = m_prop.textures[0];
1158                                         tname += mod;
1159                                         scene::IMeshBuffer *buf = mesh->getMeshBuffer(1);
1160                                         buf->getMaterial().setTexture(0,
1161                                                         tsrc->getTextureRaw(tname));
1162
1163                                         // Does not work yet with the current lighting settings
1164                                         m_meshnode->getMaterial(1).AmbientColor = m_prop.colors[1];
1165                                         m_meshnode->getMaterial(1).DiffuseColor = m_prop.colors[1];
1166                                 }
1167                         }
1168                 }
1169         }
1170
1171         void updateAnimations()
1172         {
1173                 if(!m_animated_meshnode)
1174                         return;
1175
1176                 m_animated_meshnode->setFrameLoop((int)m_frames.X, (int)m_frames.Y);
1177                 m_animated_meshnode->setAnimationSpeed(m_frame_speed);
1178                 m_animated_meshnode->setTransitionTime(m_frame_blend);
1179         }
1180
1181         void updateBonePosRot()
1182         {
1183                 if(m_bone_posrot.size() > 0)
1184                 {
1185                         m_animated_meshnode->setJointMode(irr::scene::EJUOR_CONTROL); // To write positions to the mesh on render
1186                         for(std::map<std::string, core::vector2d<v3f> >::const_iterator ii = m_bone_posrot.begin(); ii != m_bone_posrot.end(); ++ii){
1187                                 std::string bone_name = (*ii).first;
1188                                 v3f bone_pos = (*ii).second.X;
1189                                 v3f bone_rot = (*ii).second.Y;
1190                                 irr::scene::IBoneSceneNode* bone = m_animated_meshnode->getJointNode(bone_name.c_str());
1191                                 bone->setPosition(bone_pos);
1192                                 bone->setRotation(bone_rot);
1193                         }
1194                 }
1195         }
1196
1197         void updateAttachment()
1198         {
1199                 // Code for attachments goes here
1200         }
1201
1202         void processMessage(const std::string &data)
1203         {
1204                 //infostream<<"GenericCAO: Got message"<<std::endl;
1205                 std::istringstream is(data, std::ios::binary);
1206                 // command
1207                 u8 cmd = readU8(is);
1208                 if(cmd == GENERIC_CMD_SET_PROPERTIES)
1209                 {
1210                         m_prop = gob_read_set_properties(is);
1211
1212                         m_selection_box = m_prop.collisionbox;
1213                         m_selection_box.MinEdge *= BS;
1214                         m_selection_box.MaxEdge *= BS;
1215
1216                         m_tx_size.X = 1.0 / m_prop.spritediv.X;
1217                         m_tx_size.Y = 1.0 / m_prop.spritediv.Y;
1218
1219                         if(!m_initial_tx_basepos_set){
1220                                 m_initial_tx_basepos_set = true;
1221                                 m_tx_basepos = m_prop.initial_sprite_basepos;
1222                         }
1223
1224                         expireVisuals();
1225                 }
1226                 else if(cmd == GENERIC_CMD_UPDATE_POSITION)
1227                 {
1228                         m_position = readV3F1000(is);
1229                         m_velocity = readV3F1000(is);
1230                         m_acceleration = readV3F1000(is);
1231                         if(fabs(m_prop.automatic_rotate) < 0.001)
1232                                 m_yaw = readF1000(is);
1233                         bool do_interpolate = readU8(is);
1234                         bool is_end_position = readU8(is);
1235                         float update_interval = readF1000(is);
1236
1237                         // Place us a bit higher if we're physical, to not sink into
1238                         // the ground due to sucky collision detection...
1239                         if(m_prop.physical)
1240                                 m_position += v3f(0,0.002,0);
1241
1242                         if(do_interpolate){
1243                                 if(!m_prop.physical)
1244                                         pos_translator.update(m_position, is_end_position, update_interval);
1245                         } else {
1246                                 pos_translator.init(m_position);
1247                         }
1248                         updateNodePos();
1249                 }
1250                 else if(cmd == GENERIC_CMD_SET_TEXTURE_MOD)
1251                 {
1252                         std::string mod = deSerializeString(is);
1253                         updateTextures(mod);
1254                 }
1255                 else if(cmd == GENERIC_CMD_SET_SPRITE)
1256                 {
1257                         v2s16 p = readV2S16(is);
1258                         int num_frames = readU16(is);
1259                         float framelength = readF1000(is);
1260                         bool select_horiz_by_yawpitch = readU8(is);
1261
1262                         m_tx_basepos = p;
1263                         m_anim_num_frames = num_frames;
1264                         m_anim_framelength = framelength;
1265                         m_tx_select_horiz_by_yawpitch = select_horiz_by_yawpitch;
1266
1267                         updateTexturePos();
1268                 }
1269                 else if(cmd == GENERIC_CMD_SET_ANIMATIONS)
1270                 {
1271                         m_frames = readV2F1000(is);
1272                         m_frame_speed = readF1000(is);
1273                         m_frame_blend = readF1000(is);
1274
1275                         updateAnimations();
1276                         expireVisuals();
1277                 }
1278                 else if(cmd == GENERIC_CMD_SET_BONE_POSROT)
1279                 {
1280                         std::string bone = deSerializeString(is);
1281                         v3f position = readV3F1000(is);
1282                         v3f rotation = readV3F1000(is);
1283                         m_bone_posrot[bone] = core::vector2d<v3f>(position, rotation);
1284
1285                         updateBonePosRot();
1286                         expireVisuals();
1287                 }
1288                 else if(cmd == GENERIC_CMD_SET_ATTACHMENT)
1289                 {
1290                         // Part of the attachment structure, not used yet!
1291
1292                         // Get properties here.
1293
1294                         updateAttachment();
1295                         expireVisuals();
1296                 }
1297                 else if(cmd == GENERIC_CMD_PUNCHED)
1298                 {
1299                         /*s16 damage =*/ readS16(is);
1300                         s16 result_hp = readS16(is);
1301
1302                         m_hp = result_hp;
1303                 }
1304                 else if(cmd == GENERIC_CMD_UPDATE_ARMOR_GROUPS)
1305                 {
1306                         m_armor_groups.clear();
1307                         int armor_groups_size = readU16(is);
1308                         for(int i=0; i<armor_groups_size; i++){
1309                                 std::string name = deSerializeString(is);
1310                                 int rating = readS16(is);
1311                                 m_armor_groups[name] = rating;
1312                         }
1313                 }
1314         }
1315
1316         bool directReportPunch(v3f dir, const ItemStack *punchitem=NULL,
1317                         float time_from_last_punch=1000000)
1318         {
1319                 assert(punchitem);
1320                 const ToolCapabilities *toolcap =
1321                                 &punchitem->getToolCapabilities(m_gamedef->idef());
1322                 PunchDamageResult result = getPunchDamage(
1323                                 m_armor_groups,
1324                                 toolcap,
1325                                 punchitem,
1326                                 time_from_last_punch);
1327
1328                 if(result.did_punch && result.damage != 0)
1329                 {
1330                         if(result.damage < m_hp){
1331                                 m_hp -= result.damage;
1332                         } else {
1333                                 m_hp = 0;
1334                                 // TODO: Execute defined fast response
1335                                 // As there is no definition, make a smoke puff
1336                                 ClientSimpleObject *simple = createSmokePuff(
1337                                                 m_smgr, m_env, m_position,
1338                                                 m_prop.visual_size * BS);
1339                                 m_env->addSimpleObject(simple);
1340                         }
1341                         // TODO: Execute defined fast response
1342                         // Flashing shall suffice as there is no definition
1343                         m_reset_textures_timer = 0.05;
1344                         if(result.damage >= 2)
1345                                 m_reset_textures_timer += 0.05 * result.damage;
1346                         updateTextures("^[brighten");
1347                 }
1348
1349                 return false;
1350         }
1351
1352         std::string debugInfoText()
1353         {
1354                 std::ostringstream os(std::ios::binary);
1355                 os<<"GenericCAO hp="<<m_hp<<"\n";
1356                 os<<"armor={";
1357                 for(ItemGroupList::const_iterator i = m_armor_groups.begin();
1358                                 i != m_armor_groups.end(); i++){
1359                         os<<i->first<<"="<<i->second<<", ";
1360                 }
1361                 os<<"}";
1362                 return os.str();
1363         }
1364 };
1365
1366 // Prototype
1367 GenericCAO proto_GenericCAO(NULL, NULL);
1368
1369