src/content_cao.cpp

   1 /*
   2 Minetest
   3 Copyright (C) 2010-2013 celeron55, Perttu Ahola <celeron55@gmail.com>
   4
   5 This program is free software; you can redistribute it and/or modify
   6 it under the terms of the GNU Lesser General Public License as published by
   7 the Free Software Foundation; either version 2.1 of the License, or
   8 (at your option) any later version.
   9
  10 This program is distributed in the hope that it will be useful,
  11 but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13 GNU Lesser General Public License for more details.
  14
  15 You should have received a copy of the GNU Lesser General Public License along
  16 with this program; if not, write to the Free Software Foundation, Inc.,
  17 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  18 */
  19
  20 #include "content_cao.h"
  21 #include "tile.h"
  22 #include "environment.h"
  23 #include "collision.h"
  24 #include "settings.h"
  25 #include <ICameraSceneNode.h>
  26 #include <ITextSceneNode.h>
  27 #include <IBillboardSceneNode.h>
  28 #include "serialization.h" // For decompressZlib
  29 #include "gamedef.h"
  30 #include "clientobject.h"
  31 #include "content_object.h"
  32 #include "mesh.h"
  33 #include "itemdef.h"
  34 #include "tool.h"
  35 #include "content_cso.h"
  36 #include "sound.h"
  37 #include "nodedef.h"
  38 #include "localplayer.h"
  39 #include "util/numeric.h" // For IntervalLimiter
  40 #include "util/serialize.h"
  41 #include "util/mathconstants.h"
  42 #include "map.h"
  43 #include "main.h" // g_settings
  44 #include <IMeshManipulator.h>
  45 #include <IAnimatedMeshSceneNode.h>
  46 #include <IBoneSceneNode.h>
  47
  48 class Settings;
  49 struct ToolCapabilities;
  50
  51 #define PP(x) "("<<(x).X<<","<<(x).Y<<","<<(x).Z<<")"
  52
  53 std::map<u16, ClientActiveObject::Factory> ClientActiveObject::m_types;
  54
  55 /*
  56         SmoothTranslator
  57 */
  58
  59 struct SmoothTranslator
  60 {
  61         v3f vect_old;
  62         v3f vect_show;
  63         v3f vect_aim;
  64         f32 anim_counter;
  65         f32 anim_time;
  66         f32 anim_time_counter;
  67         bool aim_is_end;
  68
  69         SmoothTranslator():
  70                 vect_old(0,0,0),
  71                 vect_show(0,0,0),
  72                 vect_aim(0,0,0),
  73                 anim_counter(0),
  74                 anim_time(0),
  75                 anim_time_counter(0),
  76                 aim_is_end(true)
  77         {}
  78
  79         void init(v3f vect)
  80         {
  81                 vect_old = vect;
  82                 vect_show = vect;
  83                 vect_aim = vect;
  84                 anim_counter = 0;
  85                 anim_time = 0;
  86                 anim_time_counter = 0;
  87                 aim_is_end = true;
  88         }
  89
  90         void sharpen()
  91         {
  92                 init(vect_show);
  93         }
  94
  95         void update(v3f vect_new, bool is_end_position=false, float update_interval=-1)
  96         {
  97                 aim_is_end = is_end_position;
  98                 vect_old = vect_show;
  99                 vect_aim = vect_new;
 100                 if(update_interval > 0){
 101                         anim_time = update_interval;
 102                 } else {
 103                         if(anim_time < 0.001 || anim_time > 1.0)
 104                                 anim_time = anim_time_counter;
 105                         else
 106                                 anim_time = anim_time * 0.9 + anim_time_counter * 0.1;
 107                 }
 108                 anim_time_counter = 0;
 109                 anim_counter = 0;
 110         }
 111
 112         void translate(f32 dtime)
 113         {
 114                 anim_time_counter = anim_time_counter + dtime;
 115                 anim_counter = anim_counter + dtime;
 116                 v3f vect_move = vect_aim - vect_old;
 117                 f32 moveratio = 1.0;
 118                 if(anim_time > 0.001)
 119                         moveratio = anim_time_counter / anim_time;
 120                 // Move a bit less than should, to avoid oscillation
 121                 moveratio = moveratio * 0.8;
 122                 float move_end = 1.5;
 123                 if(aim_is_end)
 124                         move_end = 1.0;
 125                 if(moveratio > move_end)
 126                         moveratio = move_end;
 127                 vect_show = vect_old + vect_move * moveratio;
 128         }
 129
 130         bool is_moving()
 131         {
 132                 return ((anim_time_counter / anim_time) < 1.4);
 133         }
 134 };
 135
 136 /*
 137         Other stuff
 138 */
 139
 140 static void setBillboardTextureMatrix(scene::IBillboardSceneNode *bill,
 141                 float txs, float tys, int col, int row)
 142 {
 143         video::SMaterial& material = bill->getMaterial(0);
 144         core::matrix4& matrix = material.getTextureMatrix(0);
 145         matrix.setTextureTranslate(txs*col, tys*row);
 146         matrix.setTextureScale(txs, tys);
 147 }
 148
 149 /*
 150         TestCAO
 151 */
 152
 153 class TestCAO : public ClientActiveObject
 154 {
 155 public:
 156         TestCAO(IGameDef *gamedef, ClientEnvironment *env);
 157         virtual ~TestCAO();
 158
 159         u8 getType() const
 160         {
 161                 return ACTIVEOBJECT_TYPE_TEST;
 162         }
 163
 164         static ClientActiveObject* create(IGameDef *gamedef, ClientEnvironment *env);
 165
 166         void addToScene(scene::ISceneManager *smgr, ITextureSource *tsrc,
 167                         IrrlichtDevice *irr);
 168         void removeFromScene();
 169         void updateLight(u8 light_at_pos);
 170         v3s16 getLightPosition();
 171         void updateNodePos();
 172
 173         void step(float dtime, ClientEnvironment *env);
 174
 175         void processMessage(const std::string &data);
 176
 177 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 = idef->getInventoryTexture(item.getDefinition(idef).name, m_gamedef);
 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                 int num_messages = 0;
 651                 // version
 652                 u8 version = readU8(is);
 653                 // check version
 654                 if(version == 1) // In PROTOCOL_VERSION 14
 655                 {
 656                         m_name = deSerializeString(is);
 657                         m_is_player = readU8(is);
 658                         m_id = readS16(is);
 659                         m_position = readV3F1000(is);
 660                         m_yaw = readF1000(is);
 661                         m_hp = readS16(is);
 662                         num_messages = readU8(is);
 663                 }
 664                 else if(version == 0) // In PROTOCOL_VERSION 13
 665                 {
 666                         m_name = deSerializeString(is);
 667                         m_is_player = readU8(is);
 668                         m_position = readV3F1000(is);
 669                         m_yaw = readF1000(is);
 670                         m_hp = readS16(is);
 671                         num_messages = readU8(is);
 672                 }
 673                 else
 674                 {
 675                         errorstream<<"GenericCAO: Unsupported init data version"
 676                                         <<std::endl;
 677                         return;
 678                 }
 679
 680                 for(int i=0; i<num_messages; i++){
 681                         std::string message = deSerializeLongString(is);
 682                         processMessage(message);
 683                 }
 684
 685                 pos_translator.init(m_position);
 686                 updateNodePos();
 687
 688                 if(m_is_player){
 689                         Player *player = m_env->getPlayer(m_name.c_str());
 690                         if(player && player->isLocal()){
 691                                 m_is_local_player = true;
 692                         }
 693                 }
 694         }
 695
 696         ~GenericCAO()
 697         {
 698         }
 699
 700         static ClientActiveObject* create(IGameDef *gamedef, ClientEnvironment *env)
 701         {
 702                 return new GenericCAO(gamedef, env);
 703         }
 704
 705         u8 getType() const
 706         {
 707                 return ACTIVEOBJECT_TYPE_GENERIC;
 708         }
 709         core::aabbox3d<f32>* getSelectionBox()
 710         {
 711                 if(!m_prop.is_visible || !m_is_visible || m_is_local_player || getParent() != NULL)
 712                         return NULL;
 713                 return &m_selection_box;
 714         }
 715         v3f getPosition()
 716         {
 717                 if(getParent() != NULL){
 718                         if(m_meshnode)
 719                                 return m_meshnode->getAbsolutePosition();
 720                         if(m_animated_meshnode)
 721                                 return m_animated_meshnode->getAbsolutePosition();
 722                         if(m_spritenode)
 723                                 return m_spritenode->getAbsolutePosition();
 724                         return m_position;
 725                 }
 726                 return pos_translator.vect_show;
 727         }
 728
 729         scene::IMeshSceneNode *getMeshSceneNode()
 730         {
 731                 if(m_meshnode)
 732                         return m_meshnode;
 733                 return NULL;
 734         }
 735
 736         scene::IAnimatedMeshSceneNode *getAnimatedMeshSceneNode()
 737         {
 738                 if(m_animated_meshnode)
 739                         return m_animated_meshnode;
 740                 return NULL;
 741         }
 742
 743         scene::IBillboardSceneNode *getSpriteSceneNode()
 744         {
 745                 if(m_spritenode)
 746                         return m_spritenode;
 747                 return NULL;
 748         }
 749
 750         bool isPlayer()
 751         {
 752                 return m_is_player;
 753         }
 754
 755         bool isLocalPlayer()
 756         {
 757                 return m_is_local_player;
 758         }
 759
 760         void setAttachments()
 761         {
 762                 updateAttachments();
 763         }
 764
 765         ClientActiveObject *getParent()
 766         {
 767                 ClientActiveObject *obj = NULL;
 768                 for(std::vector<core::vector2d<int> >::const_iterator cii = m_env->attachment_list.begin(); cii != m_env->attachment_list.end(); cii++)
 769                 {
 770                         if(cii->X == getId()){ // This ID is our child
 771                                 if(cii->Y > 0){ // A parent ID exists for our child
 772                                         if(cii->X != cii->Y){ // The parent and child ID are not the same
 773                                                 obj = m_env->getActiveObject(cii->Y);
 774                                         }
 775                                 }
 776                                 break;
 777                         }
 778                 }
 779                 if(obj)
 780                         return obj;
 781                 return NULL;
 782         }
 783
 784         void removeFromScene(bool permanent)
 785         {
 786                 if(permanent) // Should be true when removing the object permanently and false when refreshing (eg: updating visuals)
 787                 {
 788                         // Detach this object's children
 789                         for(std::vector<core::vector2d<int> >::iterator ii = m_env->attachment_list.begin(); ii != m_env->attachment_list.end(); ii++)
 790                         {
 791                                 if(ii->Y == getId()) // Is a child of our object
 792                                 {
 793                                         ii->Y = 0;
 794                                         ClientActiveObject *obj = m_env->getActiveObject(ii->X); // Get the object of the child
 795                                         if(obj)
 796                                                 obj->setAttachments();
 797                                 }
 798                         }
 799                         // Delete this object from the attachments list
 800                         for(std::vector<core::vector2d<int> >::iterator ii = m_env->attachment_list.begin(); ii != m_env->attachment_list.end(); ii++)
 801                         {
 802                                 if(ii->X == getId()) // Is our object
 803                                 {
 804                                         m_env->attachment_list.erase(ii);
 805                                         break;
 806                                 }
 807                         }
 808                 }
 809
 810                 if(m_meshnode){
 811                         m_meshnode->remove();
 812                         m_meshnode = NULL;
 813                 }
 814                 if(m_animated_meshnode){
 815                         m_animated_meshnode->remove();
 816                         m_animated_meshnode = NULL;
 817                 }
 818                 if(m_spritenode){
 819                         m_spritenode->remove();
 820                         m_spritenode = NULL;
 821                 }
 822         }
 823
 824         void addToScene(scene::ISceneManager *smgr, ITextureSource *tsrc,
 825                         IrrlichtDevice *irr)
 826         {
 827                 m_smgr = smgr;
 828                 m_irr = irr;
 829
 830                 if(m_meshnode != NULL || m_animated_meshnode != NULL || m_spritenode != NULL)
 831                         return;
 832
 833                 m_visuals_expired = false;
 834
 835                 if(!m_prop.is_visible || m_is_local_player)
 836                         return;
 837
 838                 //video::IVideoDriver* driver = smgr->getVideoDriver();
 839
 840                 if(m_prop.visual == "sprite"){
 841                         infostream<<"GenericCAO::addToScene(): single_sprite"<<std::endl;
 842                         m_spritenode = smgr->addBillboardSceneNode(
 843                                         NULL, v2f(1, 1), v3f(0,0,0), -1);
 844                         m_spritenode->setMaterialTexture(0,
 845                                         tsrc->getTextureRaw("unknown_block.png"));
 846                         m_spritenode->setMaterialFlag(video::EMF_LIGHTING, false);
 847                         m_spritenode->setMaterialFlag(video::EMF_BILINEAR_FILTER, false);
 848                         m_spritenode->setMaterialType(video::EMT_TRANSPARENT_ALPHA_CHANNEL_REF);
 849                         m_spritenode->setMaterialFlag(video::EMF_FOG_ENABLE, true);
 850                         u8 li = m_last_light;
 851                         m_spritenode->setColor(video::SColor(255,li,li,li));
 852                         m_spritenode->setSize(m_prop.visual_size*BS);
 853                         {
 854                                 const float txs = 1.0 / 1;
 855                                 const float tys = 1.0 / 1;
 856                                 setBillboardTextureMatrix(m_spritenode,
 857                                                 txs, tys, 0, 0);
 858                         }
 859                 }
 860                 else if(m_prop.visual == "upright_sprite")
 861                 {
 862                         scene::SMesh *mesh = new scene::SMesh();
 863                         double dx = BS*m_prop.visual_size.X/2;
 864                         double dy = BS*m_prop.visual_size.Y/2;
 865                         { // Front
 866                         scene::IMeshBuffer *buf = new scene::SMeshBuffer();
 867                         u8 li = m_last_light;
 868                         video::SColor c(255,li,li,li);
 869                         video::S3DVertex vertices[4] =
 870                         {
 871                                 video::S3DVertex(-dx,-dy,0, 0,0,0, c, 0,1),
 872                                 video::S3DVertex(dx,-dy,0, 0,0,0, c, 1,1),
 873                                 video::S3DVertex(dx,dy,0, 0,0,0, c, 1,0),
 874                                 video::S3DVertex(-dx,dy,0, 0,0,0, c, 0,0),
 875                         };
 876                         u16 indices[] = {0,1,2,2,3,0};
 877                         buf->append(vertices, 4, indices, 6);
 878                         // Set material
 879                         buf->getMaterial().setFlag(video::EMF_LIGHTING, false);
 880                         buf->getMaterial().setFlag(video::EMF_BILINEAR_FILTER, false);
 881                         buf->getMaterial().setFlag(video::EMF_FOG_ENABLE, true);
 882                         buf->getMaterial().MaterialType = video::EMT_TRANSPARENT_ALPHA_CHANNEL;
 883                         // Add to mesh
 884                         mesh->addMeshBuffer(buf);
 885                         buf->drop();
 886                         }
 887                         { // Back
 888                         scene::IMeshBuffer *buf = new scene::SMeshBuffer();
 889                         u8 li = m_last_light;
 890                         video::SColor c(255,li,li,li);
 891                         video::S3DVertex vertices[4] =
 892                         {
 893                                 video::S3DVertex(dx,-dy,0, 0,0,0, c, 1,1),
 894                                 video::S3DVertex(-dx,-dy,0, 0,0,0, c, 0,1),
 895                                 video::S3DVertex(-dx,dy,0, 0,0,0, c, 0,0),
 896                                 video::S3DVertex(dx,dy,0, 0,0,0, c, 1,0),
 897                         };
 898                         u16 indices[] = {0,1,2,2,3,0};
 899                         buf->append(vertices, 4, indices, 6);
 900                         // Set material
 901                         buf->getMaterial().setFlag(video::EMF_LIGHTING, false);
 902                         buf->getMaterial().setFlag(video::EMF_BILINEAR_FILTER, false);
 903                         buf->getMaterial().setFlag(video::EMF_FOG_ENABLE, true);
 904                         buf->getMaterial().MaterialType = video::EMT_TRANSPARENT_ALPHA_CHANNEL_REF;
 905                         // Add to mesh
 906                         mesh->addMeshBuffer(buf);
 907                         buf->drop();
 908                         }
 909                         m_meshnode = smgr->addMeshSceneNode(mesh, NULL);
 910                         mesh->drop();
 911                         // Set it to use the materials of the meshbuffers directly.
 912                         // This is needed for changing the texture in the future
 913                         m_meshnode->setReadOnlyMaterials(true);
 914                 }
 915                 else if(m_prop.visual == "cube"){
 916                         infostream<<"GenericCAO::addToScene(): cube"<<std::endl;
 917                         scene::IMesh *mesh = createCubeMesh(v3f(BS,BS,BS));
 918                         m_meshnode = smgr->addMeshSceneNode(mesh, NULL);
 919                         mesh->drop();
 920
 921                         m_meshnode->setScale(v3f(m_prop.visual_size.X,
 922                                         m_prop.visual_size.Y,
 923                                         m_prop.visual_size.X));
 924                         u8 li = m_last_light;
 925                         setMeshColor(m_meshnode->getMesh(), video::SColor(255,li,li,li));
 926
 927                         m_meshnode->setMaterialFlag(video::EMF_LIGHTING, false);
 928                         m_meshnode->setMaterialFlag(video::EMF_BILINEAR_FILTER, false);
 929                         m_meshnode->setMaterialType(video::EMT_TRANSPARENT_ALPHA_CHANNEL_REF);
 930                         m_meshnode->setMaterialFlag(video::EMF_FOG_ENABLE, true);
 931                 }
 932                 else if(m_prop.visual == "mesh"){
 933                         infostream<<"GenericCAO::addToScene(): mesh"<<std::endl;
 934                         scene::IAnimatedMesh *mesh = smgr->getMesh(m_prop.mesh.c_str());
 935                         if(mesh)
 936                         {
 937                                 m_animated_meshnode = smgr->addAnimatedMeshSceneNode(mesh, NULL);
 938                                 m_animated_meshnode->animateJoints(); // Needed for some animations
 939                                 m_animated_meshnode->setScale(v3f(m_prop.visual_size.X,
 940                                                 m_prop.visual_size.Y,
 941                                                 m_prop.visual_size.X));
 942                                 u8 li = m_last_light;
 943                                 setMeshColor(m_animated_meshnode->getMesh(), video::SColor(255,li,li,li));
 944
 945                                 m_animated_meshnode->setMaterialFlag(video::EMF_LIGHTING, false);
 946                                 m_animated_meshnode->setMaterialFlag(video::EMF_BILINEAR_FILTER, false);
 947                                 m_animated_meshnode->setMaterialType(video::EMT_TRANSPARENT_ALPHA_CHANNEL_REF);
 948                                 m_animated_meshnode->setMaterialFlag(video::EMF_FOG_ENABLE, true);
 949                         }
 950                         else
 951                                 errorstream<<"GenericCAO::addToScene(): Could not load mesh "<<m_prop.mesh<<std::endl;
 952                 }
 953                 else if(m_prop.visual == "wielditem"){
 954                         infostream<<"GenericCAO::addToScene(): node"<<std::endl;
 955                         infostream<<"textures: "<<m_prop.textures.size()<<std::endl;
 956                         if(m_prop.textures.size() >= 1){
 957                                 infostream<<"textures[0]: "<<m_prop.textures[0]<<std::endl;
 958                                 IItemDefManager *idef = m_gamedef->idef();
 959                                 ItemStack item(m_prop.textures[0], 1, 0, "", idef);
 960                                 scene::IMesh *item_mesh = idef->getWieldMesh(item.getDefinition(idef).name, m_gamedef);
 961
 962                                 // Copy mesh to be able to set unique vertex colors
 963                                 scene::IMeshManipulator *manip =
 964                                                 irr->getVideoDriver()->getMeshManipulator();
 965                                 scene::IMesh *mesh = manip->createMeshUniquePrimitives(item_mesh);
 966
 967                                 m_meshnode = smgr->addMeshSceneNode(mesh, NULL);
 968                                 mesh->drop();
 969
 970                                 m_meshnode->setScale(v3f(m_prop.visual_size.X/2,
 971                                                 m_prop.visual_size.Y/2,
 972                                                 m_prop.visual_size.X/2));
 973                                 u8 li = m_last_light;
 974                                 setMeshColor(m_meshnode->getMesh(), video::SColor(255,li,li,li));
 975                         }
 976                 } else {
 977                         infostream<<"GenericCAO::addToScene(): \""<<m_prop.visual
 978                                         <<"\" not supported"<<std::endl;
 979                 }
 980                 updateTextures("");
 981
 982                 scene::ISceneNode *node = NULL;
 983                 if(m_spritenode)
 984                         node = m_spritenode;
 985                 else if(m_animated_meshnode)
 986                         node = m_animated_meshnode;
 987                 else if(m_meshnode)
 988                         node = m_meshnode;
 989                 if(node && m_is_player && !m_is_local_player){
 990                         // Add a text node for showing the name
 991                         gui::IGUIEnvironment* gui = irr->getGUIEnvironment();
 992                         std::wstring wname = narrow_to_wide(m_name);
 993                         m_textnode = smgr->addTextSceneNode(gui->getBuiltInFont(),
 994                                         wname.c_str(), video::SColor(255,255,255,255), node);
 995                         m_textnode->setPosition(v3f(0, BS*1.1, 0));
 996                 }
 997
 998                 updateNodePos();
 999                 updateAnimation();
1000                 updateBonePosition();
1001                 updateAttachments();
1002         }
1003
1004         void expireVisuals()
1005         {
1006                 m_visuals_expired = true;
1007         }
1008
1009         void updateLight(u8 light_at_pos)
1010         {
1011                 u8 li = decode_light(light_at_pos);
1012                 if(li != m_last_light){
1013                         m_last_light = li;
1014                         video::SColor color(255,li,li,li);
1015                         if(m_meshnode)
1016                                 setMeshColor(m_meshnode->getMesh(), color);
1017                         if(m_animated_meshnode)
1018                                 setMeshColor(m_animated_meshnode->getMesh(), color);
1019                         if(m_spritenode)
1020                                 m_spritenode->setColor(color);
1021                 }
1022         }
1023
1024         v3s16 getLightPosition()
1025         {
1026                 return floatToInt(m_position, BS);
1027         }
1028
1029         void updateNodePos()
1030         {
1031                 if(getParent() != NULL)
1032                         return;
1033
1034                 if(m_meshnode){
1035                         m_meshnode->setPosition(pos_translator.vect_show);
1036                         v3f rot = m_meshnode->getRotation();
1037                         rot.Y = -m_yaw;
1038                         m_meshnode->setRotation(rot);
1039                 }
1040                 if(m_animated_meshnode){
1041                         m_animated_meshnode->setPosition(pos_translator.vect_show);
1042                         v3f rot = m_animated_meshnode->getRotation();
1043                         rot.Y = -m_yaw;
1044                         m_animated_meshnode->setRotation(rot);
1045                 }
1046                 if(m_spritenode){
1047                         m_spritenode->setPosition(pos_translator.vect_show);
1048                 }
1049         }
1050
1051         void step(float dtime, ClientEnvironment *env)
1052         {
1053                 if(m_visuals_expired && m_smgr && m_irr){
1054                         m_visuals_expired = false;
1055
1056                         // Attachments, part 1: All attached objects must be unparented first, or Irrlicht causes a segmentation fault
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                                         {
1064                                                 scene::IMeshSceneNode *m_child_meshnode = obj->getMeshSceneNode();
1065                                                 scene::IAnimatedMeshSceneNode *m_child_animated_meshnode = obj->getAnimatedMeshSceneNode();
1066                                                 scene::IBillboardSceneNode *m_child_spritenode = obj->getSpriteSceneNode();
1067                                                 if(m_child_meshnode)
1068                                                         m_child_meshnode->setParent(m_smgr->getRootSceneNode());
1069                                                 if(m_child_animated_meshnode)
1070                                                         m_child_animated_meshnode->setParent(m_smgr->getRootSceneNode());
1071                                                 if(m_child_spritenode)
1072                                                         m_child_spritenode->setParent(m_smgr->getRootSceneNode());
1073                                         }
1074                                 }
1075                         }
1076
1077                         removeFromScene(false);
1078                         addToScene(m_smgr, m_gamedef->tsrc(), m_irr);
1079
1080                         // Attachments, part 2: Now that the parent has been refreshed, put its attachments back
1081                         for(std::vector<core::vector2d<int> >::iterator ii = m_env->attachment_list.begin(); ii != m_env->attachment_list.end(); ii++)
1082                         {
1083                                 if(ii->Y == getId()) // This is a child of our parent
1084                                 {
1085                                         ClientActiveObject *obj = m_env->getActiveObject(ii->X); // Get the object of the child
1086                                         if(obj)
1087                                                 obj->setAttachments();
1088                                 }
1089                         }
1090                 }
1091
1092                 // Make sure m_is_visible is always applied
1093                 if(m_meshnode)
1094                         m_meshnode->setVisible(m_is_visible);
1095                 if(m_animated_meshnode)
1096                         m_animated_meshnode->setVisible(m_is_visible);
1097                 if(m_spritenode)
1098                         m_spritenode->setVisible(m_is_visible);
1099                 if(m_textnode)
1100                         m_textnode->setVisible(m_is_visible);
1101
1102                 if(getParent() != NULL) // Attachments should be glued to their parent by Irrlicht
1103                 {
1104                         // Set these for later
1105                         m_position = getPosition();
1106                         m_velocity = v3f(0,0,0);
1107                         m_acceleration = v3f(0,0,0);
1108                         pos_translator.vect_show = m_position;
1109
1110                         if(m_is_local_player) // Update local player attachment position
1111                         {
1112                                 LocalPlayer *player = m_env->getLocalPlayer();
1113                                 player->overridePosition = getParent()->getPosition();
1114                         }
1115                 }
1116                 else
1117                 {
1118                         v3f lastpos = pos_translator.vect_show;
1119
1120                         if(m_prop.physical){
1121                                 core::aabbox3d<f32> box = m_prop.collisionbox;
1122                                 box.MinEdge *= BS;
1123                                 box.MaxEdge *= BS;
1124                                 collisionMoveResult moveresult;
1125                                 f32 pos_max_d = BS*0.125; // Distance per iteration
1126                                 f32 stepheight = 0;
1127                                 v3f p_pos = m_position;
1128                                 v3f p_velocity = m_velocity;
1129                                 v3f p_acceleration = m_acceleration;
1130                                 IGameDef *gamedef = env->getGameDef();
1131                                 moveresult = collisionMoveSimple(&env->getMap(), gamedef,
1132                                                 pos_max_d, box, stepheight, dtime,
1133                                                 p_pos, p_velocity, p_acceleration);
1134                                 // Apply results
1135                                 m_position = p_pos;
1136                                 m_velocity = p_velocity;
1137                                 m_acceleration = p_acceleration;
1138
1139                                 bool is_end_position = moveresult.collides;
1140                                 pos_translator.update(m_position, is_end_position, dtime);
1141                                 pos_translator.translate(dtime);
1142                                 updateNodePos();
1143                         } else {
1144                                 m_position += dtime * m_velocity + 0.5 * dtime * dtime * m_acceleration;
1145                                 m_velocity += dtime * m_acceleration;
1146                                 pos_translator.update(m_position, pos_translator.aim_is_end, pos_translator.anim_time);
1147                                 pos_translator.translate(dtime);
1148                                 updateNodePos();
1149                         }
1150
1151                         float moved = lastpos.getDistanceFrom(pos_translator.vect_show);
1152                         m_step_distance_counter += moved;
1153                         if(m_step_distance_counter > 1.5*BS){
1154                                 m_step_distance_counter = 0;
1155                                 if(!m_is_local_player && m_prop.makes_footstep_sound){
1156                                         INodeDefManager *ndef = m_gamedef->ndef();
1157                                         v3s16 p = floatToInt(getPosition() + v3f(0,
1158                                                         (m_prop.collisionbox.MinEdge.Y-0.5)*BS, 0), BS);
1159                                         MapNode n = m_env->getMap().getNodeNoEx(p);
1160                                         SimpleSoundSpec spec = ndef->get(n).sound_footstep;
1161                                         m_gamedef->sound()->playSoundAt(spec, false, getPosition());
1162                                 }
1163                         }
1164                 }
1165
1166                 m_anim_timer += dtime;
1167                 if(m_anim_timer >= m_anim_framelength){
1168                         m_anim_timer -= m_anim_framelength;
1169                         m_anim_frame++;
1170                         if(m_anim_frame >= m_anim_num_frames)
1171                                 m_anim_frame = 0;
1172                 }
1173
1174                 updateTexturePos();
1175
1176                 if(m_reset_textures_timer >= 0){
1177                         m_reset_textures_timer -= dtime;
1178                         if(m_reset_textures_timer <= 0){
1179                                 m_reset_textures_timer = -1;
1180                                 updateTextures("");
1181                         }
1182                 }
1183                 if(getParent() == NULL && fabs(m_prop.automatic_rotate) > 0.001){
1184                         m_yaw += dtime * m_prop.automatic_rotate * 180 / M_PI;
1185                         updateNodePos();
1186                 }
1187         }
1188
1189         void updateTexturePos()
1190         {
1191                 if(m_spritenode){
1192                         scene::ICameraSceneNode* camera =
1193                                         m_spritenode->getSceneManager()->getActiveCamera();
1194                         if(!camera)
1195                                 return;
1196                         v3f cam_to_entity = m_spritenode->getAbsolutePosition()
1197                                         - camera->getAbsolutePosition();
1198                         cam_to_entity.normalize();
1199
1200                         int row = m_tx_basepos.Y;
1201                         int col = m_tx_basepos.X;
1202
1203                         if(m_tx_select_horiz_by_yawpitch)
1204                         {
1205                                 if(cam_to_entity.Y > 0.75)
1206                                         col += 5;
1207                                 else if(cam_to_entity.Y < -0.75)
1208                                         col += 4;
1209                                 else{
1210                                         float mob_dir = atan2(cam_to_entity.Z, cam_to_entity.X) / M_PI * 180.;
1211                                         float dir = mob_dir - m_yaw;
1212                                         dir = wrapDegrees_180(dir);
1213                                         //infostream<<"id="<<m_id<<" dir="<<dir<<std::endl;
1214                                         if(fabs(wrapDegrees_180(dir - 0)) <= 45.1)
1215                                                 col += 2;
1216                                         else if(fabs(wrapDegrees_180(dir - 90)) <= 45.1)
1217                                                 col += 3;
1218                                         else if(fabs(wrapDegrees_180(dir - 180)) <= 45.1)
1219                                                 col += 0;
1220                                         else if(fabs(wrapDegrees_180(dir + 90)) <= 45.1)
1221                                                 col += 1;
1222                                         else
1223                                                 col += 4;
1224                                 }
1225                         }
1226
1227                         // Animation goes downwards
1228                         row += m_anim_frame;
1229
1230                         float txs = m_tx_size.X;
1231                         float tys = m_tx_size.Y;
1232                         setBillboardTextureMatrix(m_spritenode,
1233                                         txs, tys, col, row);
1234                 }
1235         }
1236
1237         void updateTextures(const std::string &mod)
1238         {
1239                 ITextureSource *tsrc = m_gamedef->tsrc();
1240
1241                 bool use_trilinear_filter = g_settings->getBool("trilinear_filter");
1242                 bool use_bilinear_filter = g_settings->getBool("bilinear_filter");
1243                 bool use_anisotropic_filter = g_settings->getBool("anisotropic_filter");
1244
1245                 if(m_spritenode)
1246                 {
1247                         if(m_prop.visual == "sprite")
1248                         {
1249                                 std::string texturestring = "unknown_block.png";
1250                                 if(m_prop.textures.size() >= 1)
1251                                         texturestring = m_prop.textures[0];
1252                                 texturestring += mod;
1253                                 m_spritenode->setMaterialTexture(0,
1254                                                 tsrc->getTextureRaw(texturestring));
1255
1256                                 // This allows setting per-material colors. However, until a real lighting
1257                                 // system is added, the code below will have no effect. Once MineTest
1258                                 // has directional lighting, it should work automatically.
1259                                 if(m_prop.colors.size() >= 1)
1260                                 {
1261                                         m_spritenode->getMaterial(0).AmbientColor = m_prop.colors[0];
1262                                         m_spritenode->getMaterial(0).DiffuseColor = m_prop.colors[0];
1263                                         m_spritenode->getMaterial(0).SpecularColor = m_prop.colors[0];
1264                                 }
1265
1266                                 m_spritenode->getMaterial(0).setFlag(video::EMF_TRILINEAR_FILTER, use_trilinear_filter);
1267                                 m_spritenode->getMaterial(0).setFlag(video::EMF_BILINEAR_FILTER, use_bilinear_filter);
1268                                 m_spritenode->getMaterial(0).setFlag(video::EMF_ANISOTROPIC_FILTER, use_anisotropic_filter);
1269                         }
1270                 }
1271                 if(m_animated_meshnode)
1272                 {
1273                         if(m_prop.visual == "mesh")
1274                         {
1275                                 for (u32 i = 0; i < m_prop.textures.size() && i < m_animated_meshnode->getMaterialCount(); ++i)
1276                                 {
1277                                         std::string texturestring = m_prop.textures[i];
1278                                         if(texturestring == "")
1279                                                 continue; // Empty texture string means don't modify that material
1280                                         texturestring += mod;
1281                                         video::ITexture* texture = tsrc->getTextureRaw(texturestring);
1282                                         if(!texture)
1283                                         {
1284                                                 errorstream<<"GenericCAO::updateTextures(): Could not load texture "<<texturestring<<std::endl;
1285                                                 continue;
1286                                         }
1287
1288                                         // Set material flags and texture
1289                                         m_animated_meshnode->setMaterialTexture(i, texture);
1290                                         video::SMaterial& material = m_animated_meshnode->getMaterial(i);
1291                                         material.setFlag(video::EMF_LIGHTING, false);
1292                                         material.setFlag(video::EMF_BILINEAR_FILTER, false);
1293
1294                                         m_animated_meshnode->getMaterial(i).setFlag(video::EMF_TRILINEAR_FILTER, use_trilinear_filter);
1295                                         m_animated_meshnode->getMaterial(i).setFlag(video::EMF_BILINEAR_FILTER, use_bilinear_filter);
1296                                         m_animated_meshnode->getMaterial(i).setFlag(video::EMF_ANISOTROPIC_FILTER, use_anisotropic_filter);
1297                                 }
1298                                 for (u32 i = 0; i < m_prop.colors.size() && i < m_animated_meshnode->getMaterialCount(); ++i)
1299                                 {
1300                                         // This allows setting per-material colors. However, until a real lighting
1301                                         // system is added, the code below will have no effect. Once MineTest
1302                                         // has directional lighting, it should work automatically.
1303                                         m_animated_meshnode->getMaterial(i).AmbientColor = m_prop.colors[i];
1304                                         m_animated_meshnode->getMaterial(i).DiffuseColor = m_prop.colors[i];
1305                                         m_animated_meshnode->getMaterial(i).SpecularColor = m_prop.colors[i];
1306                                 }
1307                         }
1308                 }
1309                 if(m_meshnode)
1310                 {
1311                         if(m_prop.visual == "cube")
1312                         {
1313                                 for (u32 i = 0; i < 6; ++i)
1314                                 {
1315                                         std::string texturestring = "unknown_block.png";
1316                                         if(m_prop.textures.size() > i)
1317                                                 texturestring = m_prop.textures[i];
1318                                         texturestring += mod;
1319                                         AtlasPointer ap = tsrc->getTexture(texturestring);
1320
1321                                         // Get the tile texture and atlas transformation
1322                                         video::ITexture* atlas = ap.atlas;
1323                                         v2f pos = ap.pos;
1324                                         v2f size = ap.size;
1325
1326                                         // Set material flags and texture
1327                                         video::SMaterial& material = m_meshnode->getMaterial(i);
1328                                         material.setFlag(video::EMF_LIGHTING, false);
1329                                         material.setFlag(video::EMF_BILINEAR_FILTER, false);
1330                                         material.setTexture(0, atlas);
1331                                         material.getTextureMatrix(0).setTextureTranslate(pos.X, pos.Y);
1332                                         material.getTextureMatrix(0).setTextureScale(size.X, size.Y);
1333
1334                                         // This allows setting per-material colors. However, until a real lighting
1335                                         // system is added, the code below will have no effect. Once MineTest
1336                                         // has directional lighting, it should work automatically.
1337                                         if(m_prop.colors.size() > i)
1338                                         {
1339                                                 m_meshnode->getMaterial(i).AmbientColor = m_prop.colors[i];
1340                                                 m_meshnode->getMaterial(i).DiffuseColor = m_prop.colors[i];
1341                                                 m_meshnode->getMaterial(i).SpecularColor = m_prop.colors[i];
1342                                         }
1343
1344                                         m_meshnode->getMaterial(i).setFlag(video::EMF_TRILINEAR_FILTER, use_trilinear_filter);
1345                                         m_meshnode->getMaterial(i).setFlag(video::EMF_BILINEAR_FILTER, use_bilinear_filter);
1346                                         m_meshnode->getMaterial(i).setFlag(video::EMF_ANISOTROPIC_FILTER, use_anisotropic_filter);
1347                                 }
1348                         }
1349                         else if(m_prop.visual == "upright_sprite")
1350                         {
1351                                 scene::IMesh *mesh = m_meshnode->getMesh();
1352                                 {
1353                                         std::string tname = "unknown_object.png";
1354                                         if(m_prop.textures.size() >= 1)
1355                                                 tname = m_prop.textures[0];
1356                                         tname += mod;
1357                                         scene::IMeshBuffer *buf = mesh->getMeshBuffer(0);
1358                                         buf->getMaterial().setTexture(0,
1359                                                         tsrc->getTextureRaw(tname));
1360
1361                                         // This allows setting per-material colors. However, until a real lighting
1362                                         // system is added, the code below will have no effect. Once MineTest
1363                                         // has directional lighting, it should work automatically.
1364                                         if(m_prop.colors.size() >= 1)
1365                                         {
1366                                                 buf->getMaterial().AmbientColor = m_prop.colors[0];
1367                                                 buf->getMaterial().DiffuseColor = m_prop.colors[0];
1368                                                 buf->getMaterial().SpecularColor = m_prop.colors[0];
1369                                         }
1370
1371                                         buf->getMaterial().setFlag(video::EMF_TRILINEAR_FILTER, use_trilinear_filter);
1372                                         buf->getMaterial().setFlag(video::EMF_BILINEAR_FILTER, use_bilinear_filter);
1373                                         buf->getMaterial().setFlag(video::EMF_ANISOTROPIC_FILTER, use_anisotropic_filter);
1374                                 }
1375                                 {
1376                                         std::string tname = "unknown_object.png";
1377                                         if(m_prop.textures.size() >= 2)
1378                                                 tname = m_prop.textures[1];
1379                                         else if(m_prop.textures.size() >= 1)
1380                                                 tname = m_prop.textures[0];
1381                                         tname += mod;
1382                                         scene::IMeshBuffer *buf = mesh->getMeshBuffer(1);
1383                                         buf->getMaterial().setTexture(0,
1384                                                         tsrc->getTextureRaw(tname));
1385
1386                                         // This allows setting per-material colors. However, until a real lighting
1387                                         // system is added, the code below will have no effect. Once MineTest
1388                                         // has directional lighting, it should work automatically.
1389                                         if(m_prop.colors.size() >= 2)
1390                                         {
1391                                                 buf->getMaterial().AmbientColor = m_prop.colors[1];
1392                                                 buf->getMaterial().DiffuseColor = m_prop.colors[1];
1393                                                 buf->getMaterial().SpecularColor = m_prop.colors[1];
1394                                         }
1395                                         else if(m_prop.colors.size() >= 1)
1396                                         {
1397                                                 buf->getMaterial().AmbientColor = m_prop.colors[0];
1398                                                 buf->getMaterial().DiffuseColor = m_prop.colors[0];
1399                                                 buf->getMaterial().SpecularColor = m_prop.colors[0];
1400                                         }
1401
1402                                         buf->getMaterial().setFlag(video::EMF_TRILINEAR_FILTER, use_trilinear_filter);
1403                                         buf->getMaterial().setFlag(video::EMF_BILINEAR_FILTER, use_bilinear_filter);
1404                                         buf->getMaterial().setFlag(video::EMF_ANISOTROPIC_FILTER, use_anisotropic_filter);
1405                                 }
1406                         }
1407                 }
1408         }
1409
1410         void updateAnimation()
1411         {
1412                 if(m_animated_meshnode == NULL)
1413                         return;
1414
1415                 m_animated_meshnode->setFrameLoop((int)m_animation_range.X, (int)m_animation_range.Y);
1416                 m_animated_meshnode->setAnimationSpeed(m_animation_speed);
1417                 m_animated_meshnode->setTransitionTime(m_animation_blend);
1418         }
1419
1420         void updateBonePosition()
1421         {
1422                 if(!m_bone_position.size() || m_animated_meshnode == NULL)
1423                         return;
1424
1425                 m_animated_meshnode->setJointMode(irr::scene::EJUOR_CONTROL); // To write positions to the mesh on render
1426                 for(std::map<std::string, core::vector2d<v3f> >::const_iterator ii = m_bone_position.begin(); ii != m_bone_position.end(); ++ii){
1427                         std::string bone_name = (*ii).first;
1428                         v3f bone_pos = (*ii).second.X;
1429                         v3f bone_rot = (*ii).second.Y;
1430                         irr::scene::IBoneSceneNode* bone = m_animated_meshnode->getJointNode(bone_name.c_str());
1431                         if(bone)
1432                         {
1433                                 bone->setPosition(bone_pos);
1434                                 bone->setRotation(bone_rot);
1435                         }
1436                 }
1437         }
1438
1439         void updateAttachments()
1440         {
1441                 m_attached_to_local = getParent() != NULL && getParent()->isLocalPlayer();
1442                 m_is_visible = !m_attached_to_local; // Objects attached to the local player should always be hidden
1443
1444                 if(getParent() == NULL || m_attached_to_local) // Detach or don't attach
1445                 {
1446                         if(m_meshnode)
1447                         {
1448                                 v3f old_position = m_meshnode->getAbsolutePosition();
1449                                 v3f old_rotation = m_meshnode->getRotation();
1450                                 m_meshnode->setParent(m_smgr->getRootSceneNode());
1451                                 m_meshnode->setPosition(old_position);
1452                                 m_meshnode->setRotation(old_rotation);
1453                                 m_meshnode->updateAbsolutePosition();
1454                         }
1455                         if(m_animated_meshnode)
1456                         {
1457                                 v3f old_position = m_animated_meshnode->getAbsolutePosition();
1458                                 v3f old_rotation = m_animated_meshnode->getRotation();
1459                                 m_animated_meshnode->setParent(m_smgr->getRootSceneNode());
1460                                 m_animated_meshnode->setPosition(old_position);
1461                                 m_animated_meshnode->setRotation(old_rotation);
1462                                 m_animated_meshnode->updateAbsolutePosition();
1463                         }
1464                         if(m_spritenode)
1465                         {
1466                                 v3f old_position = m_spritenode->getAbsolutePosition();
1467                                 v3f old_rotation = m_spritenode->getRotation();
1468                                 m_spritenode->setParent(m_smgr->getRootSceneNode());
1469                                 m_spritenode->setPosition(old_position);
1470                                 m_spritenode->setRotation(old_rotation);
1471                                 m_spritenode->updateAbsolutePosition();
1472                         }
1473                         if(m_is_local_player)
1474                         {
1475                                 LocalPlayer *player = m_env->getLocalPlayer();
1476                                 player->isAttached = false;
1477                         }
1478                 }
1479                 else // Attach
1480                 {
1481                         scene::IMeshSceneNode *parent_mesh = NULL;
1482                         if(getParent()->getMeshSceneNode())
1483                                 parent_mesh = getParent()->getMeshSceneNode();
1484                         scene::IAnimatedMeshSceneNode *parent_animated_mesh = NULL;
1485                         if(getParent()->getAnimatedMeshSceneNode())
1486                                 parent_animated_mesh = getParent()->getAnimatedMeshSceneNode();
1487                         scene::IBillboardSceneNode *parent_sprite = NULL;
1488                         if(getParent()->getSpriteSceneNode())
1489                                 parent_sprite = getParent()->getSpriteSceneNode();
1490
1491                         scene::IBoneSceneNode *parent_bone = NULL;
1492                         if(parent_animated_mesh && m_attachment_bone != "")
1493                                 parent_bone = parent_animated_mesh->getJointNode(m_attachment_bone.c_str());
1494
1495                         // The spaghetti code below makes sure attaching works if either the parent or child is a spritenode, meshnode, or animatedmeshnode
1496                         // TODO: Perhaps use polymorphism here to save code duplication
1497                         if(m_meshnode){
1498                                 if(parent_bone){
1499                                         m_meshnode->setParent(parent_bone);
1500                                         m_meshnode->setPosition(m_attachment_position);
1501                                         m_meshnode->setRotation(m_attachment_rotation);
1502                                         m_meshnode->updateAbsolutePosition();
1503                                 }
1504                                 else
1505                                 {
1506                                         if(parent_mesh){
1507                                                 m_meshnode->setParent(parent_mesh);
1508                                                 m_meshnode->setPosition(m_attachment_position);
1509                                                 m_meshnode->setRotation(m_attachment_rotation);
1510                                                 m_meshnode->updateAbsolutePosition();
1511                                         }
1512                                         else if(parent_animated_mesh){
1513                                                 m_meshnode->setParent(parent_animated_mesh);
1514                                                 m_meshnode->setPosition(m_attachment_position);
1515                                                 m_meshnode->setRotation(m_attachment_rotation);
1516                                                 m_meshnode->updateAbsolutePosition();
1517                                         }
1518                                         else if(parent_sprite){
1519                                                 m_meshnode->setParent(parent_sprite);
1520                                                 m_meshnode->setPosition(m_attachment_position);
1521                                                 m_meshnode->setRotation(m_attachment_rotation);
1522                                                 m_meshnode->updateAbsolutePosition();
1523                                         }
1524                                 }
1525                         }
1526                         if(m_animated_meshnode){
1527                                 if(parent_bone){
1528                                         m_animated_meshnode->setParent(parent_bone);
1529                                         m_animated_meshnode->setPosition(m_attachment_position);
1530                                         m_animated_meshnode->setRotation(m_attachment_rotation);
1531                                         m_animated_meshnode->updateAbsolutePosition();
1532                                 }
1533                                 else
1534                                 {
1535                                         if(parent_mesh){
1536                                                 m_animated_meshnode->setParent(parent_mesh);
1537                                                 m_animated_meshnode->setPosition(m_attachment_position);
1538                                                 m_animated_meshnode->setRotation(m_attachment_rotation);
1539                                                 m_animated_meshnode->updateAbsolutePosition();
1540                                         }
1541                                         else if(parent_animated_mesh){
1542                                                 m_animated_meshnode->setParent(parent_animated_mesh);
1543                                                 m_animated_meshnode->setPosition(m_attachment_position);
1544                                                 m_animated_meshnode->setRotation(m_attachment_rotation);
1545                                                 m_animated_meshnode->updateAbsolutePosition();
1546                                         }
1547                                         else if(parent_sprite){
1548                                                 m_animated_meshnode->setParent(parent_sprite);
1549                                                 m_animated_meshnode->setPosition(m_attachment_position);
1550                                                 m_animated_meshnode->setRotation(m_attachment_rotation);
1551                                                 m_animated_meshnode->updateAbsolutePosition();
1552                                         }
1553                                 }
1554                         }
1555                         if(m_spritenode){
1556                                 if(parent_bone){
1557                                         m_spritenode->setParent(parent_bone);
1558                                         m_spritenode->setPosition(m_attachment_position);
1559                                         m_spritenode->setRotation(m_attachment_rotation);
1560                                         m_spritenode->updateAbsolutePosition();
1561                                 }
1562                                 else
1563                                 {
1564                                         if(parent_mesh){
1565                                                 m_spritenode->setParent(parent_mesh);
1566                                                 m_spritenode->setPosition(m_attachment_position);
1567                                                 m_spritenode->setRotation(m_attachment_rotation);
1568                                                 m_spritenode->updateAbsolutePosition();
1569                                         }
1570                                         else if(parent_animated_mesh){
1571                                                 m_spritenode->setParent(parent_animated_mesh);
1572                                                 m_spritenode->setPosition(m_attachment_position);
1573                                                 m_spritenode->setRotation(m_attachment_rotation);
1574                                                 m_spritenode->updateAbsolutePosition();
1575                                         }
1576                                         else if(parent_sprite){
1577                                                 m_spritenode->setParent(parent_sprite);
1578                                                 m_spritenode->setPosition(m_attachment_position);
1579                                                 m_spritenode->setRotation(m_attachment_rotation);
1580                                                 m_spritenode->updateAbsolutePosition();
1581                                         }
1582                                 }
1583                         }
1584                         if(m_is_local_player)
1585                         {
1586                                 LocalPlayer *player = m_env->getLocalPlayer();
1587                                 player->isAttached = true;
1588                         }
1589                 }
1590         }
1591
1592         void processMessage(const std::string &data)
1593         {
1594                 //infostream<<"GenericCAO: Got message"<<std::endl;
1595                 std::istringstream is(data, std::ios::binary);
1596                 // command
1597                 u8 cmd = readU8(is);
1598                 if(cmd == GENERIC_CMD_SET_PROPERTIES)
1599                 {
1600                         m_prop = gob_read_set_properties(is);
1601
1602                         m_selection_box = m_prop.collisionbox;
1603                         m_selection_box.MinEdge *= BS;
1604                         m_selection_box.MaxEdge *= BS;
1605
1606                         m_tx_size.X = 1.0 / m_prop.spritediv.X;
1607                         m_tx_size.Y = 1.0 / m_prop.spritediv.Y;
1608
1609                         if(!m_initial_tx_basepos_set){
1610                                 m_initial_tx_basepos_set = true;
1611                                 m_tx_basepos = m_prop.initial_sprite_basepos;
1612                         }
1613
1614                         expireVisuals();
1615                 }
1616                 else if(cmd == GENERIC_CMD_UPDATE_POSITION)
1617                 {
1618                         // Not sent by the server if this object is an attachment.
1619                         // We might however get here if the server notices the object being detached before the client.
1620                         m_position = readV3F1000(is);
1621                         m_velocity = readV3F1000(is);
1622                         m_acceleration = readV3F1000(is);
1623                         if(fabs(m_prop.automatic_rotate) < 0.001)
1624                                 m_yaw = readF1000(is);
1625                         bool do_interpolate = readU8(is);
1626                         bool is_end_position = readU8(is);
1627                         float update_interval = readF1000(is);
1628
1629                         // Place us a bit higher if we're physical, to not sink into
1630                         // the ground due to sucky collision detection...
1631                         if(m_prop.physical)
1632                                 m_position += v3f(0,0.002,0);
1633
1634                         if(getParent() != NULL) // Just in case
1635                                 return;
1636
1637                         if(do_interpolate){
1638                                 if(!m_prop.physical)
1639                                         pos_translator.update(m_position, is_end_position, update_interval);
1640                         } else {
1641                                 pos_translator.init(m_position);
1642                         }
1643                         updateNodePos();
1644                 }
1645                 else if(cmd == GENERIC_CMD_SET_TEXTURE_MOD)
1646                 {
1647                         std::string mod = deSerializeString(is);
1648                         updateTextures(mod);
1649                 }
1650                 else if(cmd == GENERIC_CMD_SET_SPRITE)
1651                 {
1652                         v2s16 p = readV2S16(is);
1653                         int num_frames = readU16(is);
1654                         float framelength = readF1000(is);
1655                         bool select_horiz_by_yawpitch = readU8(is);
1656
1657                         m_tx_basepos = p;
1658                         m_anim_num_frames = num_frames;
1659                         m_anim_framelength = framelength;
1660                         m_tx_select_horiz_by_yawpitch = select_horiz_by_yawpitch;
1661
1662                         updateTexturePos();
1663                 }
1664                 else if(cmd == GENERIC_CMD_SET_ANIMATION)
1665                 {
1666                         m_animation_range = readV2F1000(is);
1667                         m_animation_speed = readF1000(is);
1668                         m_animation_blend = readF1000(is);
1669
1670                         updateAnimation();
1671                 }
1672                 else if(cmd == GENERIC_CMD_SET_BONE_POSITION)
1673                 {
1674                         std::string bone = deSerializeString(is);
1675                         v3f position = readV3F1000(is);
1676                         v3f rotation = readV3F1000(is);
1677                         m_bone_position[bone] = core::vector2d<v3f>(position, rotation);
1678
1679                         updateBonePosition();
1680                 }
1681                 else if(cmd == GENERIC_CMD_SET_ATTACHMENT)
1682                 {
1683                         // If an entry already exists for this object, delete it first to avoid duplicates
1684                         for(std::vector<core::vector2d<int> >::iterator ii = m_env->attachment_list.begin(); ii != m_env->attachment_list.end(); ii++)
1685                         {
1686                                 if(ii->X == getId()) // This is the ID of our object
1687                                 {
1688                                         m_env->attachment_list.erase(ii);
1689                                         break;
1690                                 }
1691                         }
1692                         m_env->attachment_list.push_back(core::vector2d<int>(getId(), readS16(is)));
1693                         m_attachment_bone = deSerializeString(is);
1694                         m_attachment_position = readV3F1000(is);
1695                         m_attachment_rotation = readV3F1000(is);
1696
1697                         updateAttachments();
1698                 }
1699                 else if(cmd == GENERIC_CMD_PUNCHED)
1700                 {
1701                         /*s16 damage =*/ readS16(is);
1702                         s16 result_hp = readS16(is);
1703
1704                         m_hp = result_hp;
1705                 }
1706                 else if(cmd == GENERIC_CMD_UPDATE_ARMOR_GROUPS)
1707                 {
1708                         m_armor_groups.clear();
1709                         int armor_groups_size = readU16(is);
1710                         for(int i=0; i<armor_groups_size; i++){
1711                                 std::string name = deSerializeString(is);
1712                                 int rating = readS16(is);
1713                                 m_armor_groups[name] = rating;
1714                         }
1715                 }
1716         }
1717
1718         bool directReportPunch(v3f dir, const ItemStack *punchitem=NULL,
1719                         float time_from_last_punch=1000000)
1720         {
1721                 assert(punchitem);
1722                 const ToolCapabilities *toolcap =
1723                                 &punchitem->getToolCapabilities(m_gamedef->idef());
1724                 PunchDamageResult result = getPunchDamage(
1725                                 m_armor_groups,
1726                                 toolcap,
1727                                 punchitem,
1728                                 time_from_last_punch);
1729
1730                 if(result.did_punch && result.damage != 0)
1731                 {
1732                         if(result.damage < m_hp){
1733                                 m_hp -= result.damage;
1734                         } else {
1735                                 m_hp = 0;
1736                                 // TODO: Execute defined fast response
1737                                 // As there is no definition, make a smoke puff
1738                                 ClientSimpleObject *simple = createSmokePuff(
1739                                                 m_smgr, m_env, m_position,
1740                                                 m_prop.visual_size * BS);
1741                                 m_env->addSimpleObject(simple);
1742                         }
1743                         // TODO: Execute defined fast response
1744                         // Flashing shall suffice as there is no definition
1745                         m_reset_textures_timer = 0.05;
1746                         if(result.damage >= 2)
1747                                 m_reset_textures_timer += 0.05 * result.damage;
1748                         updateTextures("^[brighten");
1749                 }
1750
1751                 return false;
1752         }
1753
1754         std::string debugInfoText()
1755         {
1756                 std::ostringstream os(std::ios::binary);
1757                 os<<"GenericCAO hp="<<m_hp<<"\n";
1758                 os<<"armor={";
1759                 for(ItemGroupList::const_iterator i = m_armor_groups.begin();
1760                                 i != m_armor_groups.end(); i++){
1761                         os<<i->first<<"="<<i->second<<", ";
1762                 }
1763                 os<<"}";
1764                 return os.str();
1765         }
1766 };
1767
1768 // Prototype
1769 GenericCAO proto_GenericCAO(NULL, NULL);
1770
1771