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