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