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 <ICameraSceneNode.h>
  21 #include <ITextSceneNode.h>
  22 #include <IBillboardSceneNode.h>
  23 #include <IMeshManipulator.h>
  24 #include <IAnimatedMeshSceneNode.h>
  25 #include "content_cao.h"
  26 #include "util/numeric.h" // For IntervalLimiter
  27 #include "util/serialize.h"
  28 #include "util/basic_macros.h"
  29 #include "client/tile.h"
  30 #include "environment.h"
  31 #include "collision.h"
  32 #include "settings.h"
  33 #include "serialization.h" // For decompressZlib
  34 #include "clientobject.h"
  35 #include "mesh.h"
  36 #include "itemdef.h"
  37 #include "tool.h"
  38 #include "content_cso.h"
  39 #include "sound.h"
  40 #include "nodedef.h"
  41 #include "localplayer.h"
  42 #include "map.h"
  43 #include "camera.h" // CameraModes
  44 #include "client.h"
  45 #include "wieldmesh.h"
  46 #include <algorithm>
  47 #include "client/renderingengine.h"
  48
  49 class Settings;
  50 struct ToolCapabilities;
  51
  52 std::unordered_map<u16, ClientActiveObject::Factory> ClientActiveObject::m_types;
  53
  54 void SmoothTranslator::init(v3f vect)
  55 {
  56         vect_old = vect;
  57         vect_show = vect;
  58         vect_aim = vect;
  59         anim_counter = 0;
  60         anim_time = 0;
  61         anim_time_counter = 0;
  62         aim_is_end = true;
  63 }
  64
  65 void SmoothTranslator::update(v3f vect_new, bool is_end_position, float update_interval)
  66 {
  67         aim_is_end = is_end_position;
  68         vect_old = vect_show;
  69         vect_aim = vect_new;
  70         if(update_interval > 0)
  71         {
  72                 anim_time = update_interval;
  73         } else {
  74                 if(anim_time < 0.001 || anim_time > 1.0)
  75                         anim_time = anim_time_counter;
  76                 else
  77                         anim_time = anim_time * 0.9 + anim_time_counter * 0.1;
  78         }
  79         anim_time_counter = 0;
  80         anim_counter = 0;
  81 }
  82
  83 void SmoothTranslator::translate(f32 dtime)
  84 {
  85         anim_time_counter = anim_time_counter + dtime;
  86         anim_counter = anim_counter + dtime;
  87         v3f vect_move = vect_aim - vect_old;
  88         f32 moveratio = 1.0;
  89         if(anim_time > 0.001)
  90                 moveratio = anim_time_counter / anim_time;
  91         // Move a bit less than should, to avoid oscillation
  92         moveratio = moveratio * 0.8;
  93         float move_end = 1.5;
  94         if(aim_is_end)
  95                 move_end = 1.0;
  96         if(moveratio > move_end)
  97                 moveratio = move_end;
  98         vect_show = vect_old + vect_move * moveratio;
  99 }
 100
 101 /*
 102         Other stuff
 103 */
 104
 105 static void setBillboardTextureMatrix(scene::IBillboardSceneNode *bill,
 106                 float txs, float tys, int col, int row)
 107 {
 108         video::SMaterial& material = bill->getMaterial(0);
 109         core::matrix4& matrix = material.getTextureMatrix(0);
 110         matrix.setTextureTranslate(txs*col, tys*row);
 111         matrix.setTextureScale(txs, tys);
 112 }
 113
 114 /*
 115         TestCAO
 116 */
 117
 118 class TestCAO : public ClientActiveObject
 119 {
 120 public:
 121         TestCAO(Client *client, ClientEnvironment *env);
 122         virtual ~TestCAO() = default;
 123
 124         ActiveObjectType getType() const
 125         {
 126                 return ACTIVEOBJECT_TYPE_TEST;
 127         }
 128
 129         static ClientActiveObject* create(Client *client, ClientEnvironment *env);
 130
 131         void addToScene(ITextureSource *tsrc);
 132         void removeFromScene(bool permanent);
 133         void updateLight(u8 light_at_pos);
 134         v3s16 getLightPosition();
 135         void updateNodePos();
 136
 137         void step(float dtime, ClientEnvironment *env);
 138
 139         void processMessage(const std::string &data);
 140
 141         bool getCollisionBox(aabb3f *toset) const { return false; }
 142 private:
 143         scene::IMeshSceneNode *m_node;
 144         v3f m_position;
 145 };
 146
 147 // Prototype
 148 TestCAO proto_TestCAO(NULL, NULL);
 149
 150 TestCAO::TestCAO(Client *client, ClientEnvironment *env):
 151         ClientActiveObject(0, client, env),
 152         m_node(NULL),
 153         m_position(v3f(0,10*BS,0))
 154 {
 155         ClientActiveObject::registerType(getType(), create);
 156 }
 157
 158 ClientActiveObject* TestCAO::create(Client *client, ClientEnvironment *env)
 159 {
 160         return new TestCAO(client, env);
 161 }
 162
 163 void TestCAO::addToScene(ITextureSource *tsrc)
 164 {
 165         if(m_node != NULL)
 166                 return;
 167
 168         //video::IVideoDriver* driver = smgr->getVideoDriver();
 169
 170         scene::SMesh *mesh = new scene::SMesh();
 171         scene::IMeshBuffer *buf = new scene::SMeshBuffer();
 172         video::SColor c(255,255,255,255);
 173         video::S3DVertex vertices[4] =
 174         {
 175                 video::S3DVertex(-BS/2,-BS/4,0, 0,0,0, c, 0,1),
 176                 video::S3DVertex(BS/2,-BS/4,0, 0,0,0, c, 1,1),
 177                 video::S3DVertex(BS/2,BS/4,0, 0,0,0, c, 1,0),
 178                 video::S3DVertex(-BS/2,BS/4,0, 0,0,0, c, 0,0),
 179         };
 180         u16 indices[] = {0,1,2,2,3,0};
 181         buf->append(vertices, 4, indices, 6);
 182         // Set material
 183         buf->getMaterial().setFlag(video::EMF_LIGHTING, false);
 184         buf->getMaterial().setFlag(video::EMF_BACK_FACE_CULLING, false);
 185         buf->getMaterial().setTexture(0, tsrc->getTextureForMesh("rat.png"));
 186         buf->getMaterial().setFlag(video::EMF_BILINEAR_FILTER, false);
 187         buf->getMaterial().setFlag(video::EMF_FOG_ENABLE, true);
 188         buf->getMaterial().MaterialType = video::EMT_TRANSPARENT_ALPHA_CHANNEL;
 189         // Add to mesh
 190         mesh->addMeshBuffer(buf);
 191         buf->drop();
 192         m_node = RenderingEngine::get_scene_manager()->addMeshSceneNode(mesh, NULL);
 193         mesh->drop();
 194         updateNodePos();
 195 }
 196
 197 void TestCAO::removeFromScene(bool permanent)
 198 {
 199         if (!m_node)
 200                 return;
 201
 202         m_node->remove();
 203         m_node = NULL;
 204 }
 205
 206 void TestCAO::updateLight(u8 light_at_pos)
 207 {
 208 }
 209
 210 v3s16 TestCAO::getLightPosition()
 211 {
 212         return floatToInt(m_position, BS);
 213 }
 214
 215 void TestCAO::updateNodePos()
 216 {
 217         if (!m_node)
 218                 return;
 219
 220         m_node->setPosition(m_position);
 221         //m_node->setRotation(v3f(0, 45, 0));
 222 }
 223
 224 void TestCAO::step(float dtime, ClientEnvironment *env)
 225 {
 226         if(m_node)
 227         {
 228                 v3f rot = m_node->getRotation();
 229                 //infostream<<"dtime="<<dtime<<", rot.Y="<<rot.Y<<std::endl;
 230                 rot.Y += dtime * 180;
 231                 m_node->setRotation(rot);
 232         }
 233 }
 234
 235 void TestCAO::processMessage(const std::string &data)
 236 {
 237         infostream<<"TestCAO: Got data: "<<data<<std::endl;
 238         std::istringstream is(data, std::ios::binary);
 239         u16 cmd;
 240         is>>cmd;
 241         if(cmd == 0)
 242         {
 243                 v3f newpos;
 244                 is>>newpos.X;
 245                 is>>newpos.Y;
 246                 is>>newpos.Z;
 247                 m_position = newpos;
 248                 updateNodePos();
 249         }
 250 }
 251
 252 /*
 253         GenericCAO
 254 */
 255
 256 #include "genericobject.h"
 257
 258 GenericCAO::GenericCAO(Client *client, ClientEnvironment *env):
 259                 ClientActiveObject(0, client, env)
 260 {
 261         if (client == NULL) {
 262                 ClientActiveObject::registerType(getType(), create);
 263         } else {
 264                 m_client = client;
 265         }
 266 }
 267
 268 bool GenericCAO::getCollisionBox(aabb3f *toset) const
 269 {
 270         if (m_prop.physical)
 271         {
 272                 //update collision box
 273                 toset->MinEdge = m_prop.collisionbox.MinEdge * BS;
 274                 toset->MaxEdge = m_prop.collisionbox.MaxEdge * BS;
 275
 276                 toset->MinEdge += m_position;
 277                 toset->MaxEdge += m_position;
 278
 279                 return true;
 280         }
 281
 282         return false;
 283 }
 284
 285 bool GenericCAO::collideWithObjects() const
 286 {
 287         return m_prop.collideWithObjects;
 288 }
 289
 290 void GenericCAO::initialize(const std::string &data)
 291 {
 292         infostream<<"GenericCAO: Got init data"<<std::endl;
 293         processInitData(data);
 294
 295         if (m_is_player) {
 296                 // Check if it's the current player
 297                 LocalPlayer *player = m_env->getLocalPlayer();
 298                 if (player && strcmp(player->getName(), m_name.c_str()) == 0) {
 299                         m_is_local_player = true;
 300                         m_is_visible = false;
 301                         player->setCAO(this);
 302                 }
 303                 if (m_client->getProtoVersion() < 33)
 304                         m_env->addPlayerName(m_name);
 305         }
 306 }
 307
 308 void GenericCAO::processInitData(const std::string &data)
 309 {
 310         std::istringstream is(data, std::ios::binary);
 311         int num_messages = 0;
 312         // version
 313         u8 version = readU8(is);
 314         // check version
 315         if (version == 1) { // In PROTOCOL_VERSION 14
 316                 m_name = deSerializeString(is);
 317                 m_is_player = readU8(is);
 318                 m_id = readU16(is);
 319                 m_position = readV3F1000(is);
 320                 m_yaw = readF1000(is);
 321                 m_hp = readS16(is);
 322                 num_messages = readU8(is);
 323         } else if (version == 0) { // In PROTOCOL_VERSION 13
 324                 m_name = deSerializeString(is);
 325                 m_is_player = readU8(is);
 326                 m_position = readV3F1000(is);
 327                 m_yaw = readF1000(is);
 328                 m_hp = readS16(is);
 329                 num_messages = readU8(is);
 330         } else {
 331                 errorstream<<"GenericCAO: Unsupported init data version"
 332                                 <<std::endl;
 333                 return;
 334         }
 335
 336         for (int i = 0; i < num_messages; i++) {
 337                 std::string message = deSerializeLongString(is);
 338                 processMessage(message);
 339         }
 340
 341         pos_translator.init(m_position);
 342         updateNodePos();
 343 }
 344
 345 GenericCAO::~GenericCAO()
 346 {
 347         if (m_is_player && m_client->getProtoVersion() < 33) {
 348                 m_env->removePlayerName(m_name);
 349         }
 350         removeFromScene(true);
 351 }
 352
 353 bool GenericCAO::getSelectionBox(aabb3f *toset) const
 354 {
 355         if (!m_prop.is_visible || !m_is_visible || m_is_local_player
 356                         || getParent() != NULL){
 357                 return false;
 358         }
 359         *toset = m_selection_box;
 360         return true;
 361 }
 362
 363 v3f GenericCAO::getPosition()
 364 {
 365         if (getParent() != NULL) {
 366                 scene::ISceneNode *node = getSceneNode();
 367                 if (node)
 368                         return node->getAbsolutePosition();
 369
 370                 return m_position;
 371         }
 372         return pos_translator.vect_show;
 373 }
 374
 375 scene::ISceneNode* GenericCAO::getSceneNode()
 376 {
 377         if (m_meshnode) {
 378                 return m_meshnode;
 379         }
 380
 381         if (m_animated_meshnode) {
 382                 return m_animated_meshnode;
 383         }
 384
 385         if (m_wield_meshnode) {
 386                 return m_wield_meshnode;
 387         }
 388
 389         if (m_spritenode) {
 390                 return m_spritenode;
 391         }
 392         return NULL;
 393 }
 394
 395 scene::IAnimatedMeshSceneNode* GenericCAO::getAnimatedMeshSceneNode()
 396 {
 397         return m_animated_meshnode;
 398 }
 399
 400 void GenericCAO::setChildrenVisible(bool toset)
 401 {
 402         for (u16 cao_id : m_children) {
 403                 GenericCAO *obj = m_env->getGenericCAO(cao_id);
 404                 if (obj) {
 405                         obj->setVisible(toset);
 406                 }
 407         }
 408 }
 409
 410 void GenericCAO::setAttachments()
 411 {
 412         updateAttachments();
 413 }
 414
 415 ClientActiveObject* GenericCAO::getParent() const
 416 {
 417         ClientActiveObject *obj = NULL;
 418
 419         u16 attached_id = m_env->attachement_parent_ids[getId()];
 420
 421         if ((attached_id != 0) &&
 422                         (attached_id != getId())) {
 423                 obj = m_env->getActiveObject(attached_id);
 424         }
 425         return obj;
 426 }
 427
 428 void GenericCAO::removeFromScene(bool permanent)
 429 {
 430         // Should be true when removing the object permanently and false when refreshing (eg: updating visuals)
 431         if((m_env != NULL) && (permanent))
 432         {
 433                 for (u16 ci : m_children) {
 434                         if (m_env->attachement_parent_ids[ci] == getId()) {
 435                                 m_env->attachement_parent_ids[ci] = 0;
 436                         }
 437                 }
 438
 439                 m_env->attachement_parent_ids[getId()] = 0;
 440
 441                 LocalPlayer* player = m_env->getLocalPlayer();
 442                 if (this == player->parent) {
 443                         player->parent = NULL;
 444                         player->isAttached = false;
 445                 }
 446         }
 447
 448         if (m_meshnode) {
 449                 m_meshnode->remove();
 450                 m_meshnode->drop();
 451                 m_meshnode = NULL;
 452         } else if (m_animated_meshnode) {
 453                 m_animated_meshnode->remove();
 454                 m_animated_meshnode->drop();
 455                 m_animated_meshnode = NULL;
 456         } else if (m_wield_meshnode) {
 457                 m_wield_meshnode->remove();
 458                 m_wield_meshnode->drop();
 459                 m_wield_meshnode = NULL;
 460         } else if (m_spritenode) {
 461                 m_spritenode->remove();
 462                 m_spritenode->drop();
 463                 m_spritenode = NULL;
 464         }
 465
 466         if (m_nametag) {
 467                 m_client->getCamera()->removeNametag(m_nametag);
 468                 m_nametag = NULL;
 469         }
 470 }
 471
 472 void GenericCAO::addToScene(ITextureSource *tsrc)
 473 {
 474         m_smgr = RenderingEngine::get_scene_manager();
 475
 476         if (getSceneNode() != NULL) {
 477                 return;
 478         }
 479
 480         m_visuals_expired = false;
 481
 482         if (!m_prop.is_visible) {
 483                 return;
 484         }
 485
 486         if (m_prop.visual == "sprite") {
 487                 infostream<<"GenericCAO::addToScene(): single_sprite"<<std::endl;
 488                 m_spritenode = RenderingEngine::get_scene_manager()->addBillboardSceneNode(
 489                                 NULL, v2f(1, 1), v3f(0,0,0), -1);
 490                 m_spritenode->grab();
 491                 m_spritenode->setMaterialTexture(0,
 492                                 tsrc->getTextureForMesh("unknown_node.png"));
 493                 m_spritenode->setMaterialFlag(video::EMF_LIGHTING, false);
 494                 m_spritenode->setMaterialFlag(video::EMF_BILINEAR_FILTER, false);
 495                 m_spritenode->setMaterialType(video::EMT_TRANSPARENT_ALPHA_CHANNEL_REF);
 496                 m_spritenode->setMaterialFlag(video::EMF_FOG_ENABLE, true);
 497                 u8 li = m_last_light;
 498                 m_spritenode->setColor(video::SColor(255,li,li,li));
 499                 m_spritenode->setSize(m_prop.visual_size*BS);
 500                 {
 501                         const float txs = 1.0 / 1;
 502                         const float tys = 1.0 / 1;
 503                         setBillboardTextureMatrix(m_spritenode,
 504                                         txs, tys, 0, 0);
 505                 }
 506         } else if (m_prop.visual == "upright_sprite") {
 507                 scene::SMesh *mesh = new scene::SMesh();
 508                 double dx = BS * m_prop.visual_size.X / 2;
 509                 double dy = BS * m_prop.visual_size.Y / 2;
 510                 u8 li = m_last_light;
 511                 video::SColor c(255, li, li, li);
 512
 513                 { // Front
 514                         scene::IMeshBuffer *buf = new scene::SMeshBuffer();
 515                         video::S3DVertex vertices[4] = {
 516                                 video::S3DVertex(-dx, -dy, 0, 0,0,0, c, 1,1),
 517                                 video::S3DVertex( dx, -dy, 0, 0,0,0, c, 0,1),
 518                                 video::S3DVertex( dx,  dy, 0, 0,0,0, c, 0,0),
 519                                 video::S3DVertex(-dx,  dy, 0, 0,0,0, c, 1,0),
 520                         };
 521                         u16 indices[] = {0,1,2,2,3,0};
 522                         buf->append(vertices, 4, indices, 6);
 523                         // Set material
 524                         buf->getMaterial().setFlag(video::EMF_LIGHTING, false);
 525                         buf->getMaterial().setFlag(video::EMF_BILINEAR_FILTER, false);
 526                         buf->getMaterial().setFlag(video::EMF_FOG_ENABLE, true);
 527                         buf->getMaterial().MaterialType = video::EMT_TRANSPARENT_ALPHA_CHANNEL;
 528                         // Add to mesh
 529                         mesh->addMeshBuffer(buf);
 530                         buf->drop();
 531                 }
 532                 { // Back
 533                         scene::IMeshBuffer *buf = new scene::SMeshBuffer();
 534                         video::S3DVertex vertices[4] = {
 535                                 video::S3DVertex( dx,-dy, 0, 0,0,0, c, 1,1),
 536                                 video::S3DVertex(-dx,-dy, 0, 0,0,0, c, 0,1),
 537                                 video::S3DVertex(-dx, dy, 0, 0,0,0, c, 0,0),
 538                                 video::S3DVertex( dx, dy, 0, 0,0,0, c, 1,0),
 539                         };
 540                         u16 indices[] = {0,1,2,2,3,0};
 541                         buf->append(vertices, 4, indices, 6);
 542                         // Set material
 543                         buf->getMaterial().setFlag(video::EMF_LIGHTING, false);
 544                         buf->getMaterial().setFlag(video::EMF_BILINEAR_FILTER, false);
 545                         buf->getMaterial().setFlag(video::EMF_FOG_ENABLE, true);
 546                         buf->getMaterial().MaterialType = video::EMT_TRANSPARENT_ALPHA_CHANNEL_REF;
 547                         // Add to mesh
 548                         mesh->addMeshBuffer(buf);
 549                         buf->drop();
 550                 }
 551                 m_meshnode = RenderingEngine::get_scene_manager()->addMeshSceneNode(mesh, NULL);
 552                 m_meshnode->grab();
 553                 mesh->drop();
 554                 // Set it to use the materials of the meshbuffers directly.
 555                 // This is needed for changing the texture in the future
 556                 m_meshnode->setReadOnlyMaterials(true);
 557         }
 558         else if(m_prop.visual == "cube") {
 559                 infostream<<"GenericCAO::addToScene(): cube"<<std::endl;
 560                 scene::IMesh *mesh = createCubeMesh(v3f(BS,BS,BS));
 561                 m_meshnode = RenderingEngine::get_scene_manager()->addMeshSceneNode(mesh, NULL);
 562                 m_meshnode->grab();
 563                 mesh->drop();
 564
 565                 m_meshnode->setScale(v3f(m_prop.visual_size.X,
 566                                 m_prop.visual_size.Y,
 567                                 m_prop.visual_size.X));
 568                 u8 li = m_last_light;
 569                 setMeshColor(m_meshnode->getMesh(), video::SColor(255,li,li,li));
 570
 571                 m_meshnode->setMaterialFlag(video::EMF_LIGHTING, false);
 572                 m_meshnode->setMaterialFlag(video::EMF_BILINEAR_FILTER, false);
 573                 m_meshnode->setMaterialType(video::EMT_TRANSPARENT_ALPHA_CHANNEL_REF);
 574                 m_meshnode->setMaterialFlag(video::EMF_FOG_ENABLE, true);
 575         }
 576         else if(m_prop.visual == "mesh") {
 577                 infostream<<"GenericCAO::addToScene(): mesh"<<std::endl;
 578                 scene::IAnimatedMesh *mesh = m_client->getMesh(m_prop.mesh);
 579                 if(mesh)
 580                 {
 581                         m_animated_meshnode = RenderingEngine::get_scene_manager()->
 582                                 addAnimatedMeshSceneNode(mesh, NULL);
 583                         m_animated_meshnode->grab();
 584                         mesh->drop(); // The scene node took hold of it
 585                         m_animated_meshnode->animateJoints(); // Needed for some animations
 586                         m_animated_meshnode->setScale(v3f(m_prop.visual_size.X,
 587                                         m_prop.visual_size.Y,
 588                                         m_prop.visual_size.X));
 589                         u8 li = m_last_light;
 590                         setMeshColor(m_animated_meshnode->getMesh(), video::SColor(255,li,li,li));
 591
 592                         bool backface_culling = m_prop.backface_culling;
 593                         if (m_is_player)
 594                                 backface_culling = false;
 595
 596                         m_animated_meshnode->setMaterialFlag(video::EMF_LIGHTING, false);
 597                         m_animated_meshnode->setMaterialFlag(video::EMF_BILINEAR_FILTER, false);
 598                         m_animated_meshnode->setMaterialType(video::EMT_TRANSPARENT_ALPHA_CHANNEL_REF);
 599                         m_animated_meshnode->setMaterialFlag(video::EMF_FOG_ENABLE, true);
 600                         m_animated_meshnode->setMaterialFlag(video::EMF_BACK_FACE_CULLING, backface_culling);
 601                 }
 602                 else
 603                         errorstream<<"GenericCAO::addToScene(): Could not load mesh "<<m_prop.mesh<<std::endl;
 604         } else if (m_prop.visual == "wielditem") {
 605                 ItemStack item;
 606                 infostream << "GenericCAO::addToScene(): wielditem" << std::endl;
 607                 if (m_prop.wield_item.empty()) {
 608                         // Old format, only textures are specified.
 609                         infostream << "textures: " << m_prop.textures.size() << std::endl;
 610                         if (!m_prop.textures.empty()) {
 611                                 infostream << "textures[0]: " << m_prop.textures[0]
 612                                         << std::endl;
 613                                 IItemDefManager *idef = m_client->idef();
 614                                 item = ItemStack(m_prop.textures[0], 1, 0, idef);
 615                         }
 616                 } else {
 617                         infostream << "serialized form: " << m_prop.wield_item << std::endl;
 618                         item.deSerialize(m_prop.wield_item, m_client->idef());
 619                 }
 620                 m_wield_meshnode = new WieldMeshSceneNode(
 621                         RenderingEngine::get_scene_manager(), -1);
 622                 m_wield_meshnode->setItem(item, m_client);
 623
 624                 m_wield_meshnode->setScale(
 625                         v3f(m_prop.visual_size.X / 2, m_prop.visual_size.Y / 2,
 626                                 m_prop.visual_size.X / 2));
 627                 u8 li = m_last_light;
 628                 m_wield_meshnode->setColor(video::SColor(255, li, li, li));
 629         } else {
 630                 infostream<<"GenericCAO::addToScene(): \""<<m_prop.visual
 631                                 <<"\" not supported"<<std::endl;
 632         }
 633
 634         /* don't update while punch texture modifier is active */
 635         if (m_reset_textures_timer < 0)
 636                 updateTextures(m_current_texture_modifier);
 637
 638         scene::ISceneNode *node = getSceneNode();
 639         if (node && !m_prop.nametag.empty() && !m_is_local_player) {
 640                 // Add nametag
 641                 v3f pos;
 642                 pos.Y = m_prop.collisionbox.MaxEdge.Y + 0.3f;
 643                 m_nametag = m_client->getCamera()->addNametag(node,
 644                         m_prop.nametag, m_prop.nametag_color,
 645                         pos);
 646         }
 647
 648         updateNodePos();
 649         updateAnimation();
 650         updateBonePosition();
 651         updateAttachments();
 652 }
 653
 654 void GenericCAO::updateLight(u8 light_at_pos)
 655 {
 656         // Don't update light of attached one
 657         if (getParent() != NULL) {
 658                 return;
 659         }
 660
 661         updateLightNoCheck(light_at_pos);
 662
 663         // Update light of all children
 664         for (u16 i : m_children) {
 665                 ClientActiveObject *obj = m_env->getActiveObject(i);
 666                 if (obj) {
 667                         obj->updateLightNoCheck(light_at_pos);
 668                 }
 669         }
 670 }
 671
 672 void GenericCAO::updateLightNoCheck(u8 light_at_pos)
 673 {
 674         u8 li = decode_light(light_at_pos);
 675         if (li != m_last_light) {
 676                 m_last_light = li;
 677                 video::SColor color(255,li,li,li);
 678                 if (m_meshnode) {
 679                         setMeshColor(m_meshnode->getMesh(), color);
 680                 } else if (m_animated_meshnode) {
 681                         setMeshColor(m_animated_meshnode->getMesh(), color);
 682                 } else if (m_wield_meshnode) {
 683                         m_wield_meshnode->setColor(color);
 684                 } else if (m_spritenode) {
 685                         m_spritenode->setColor(color);
 686                 }
 687         }
 688 }
 689
 690 v3s16 GenericCAO::getLightPosition()
 691 {
 692         return floatToInt(m_position + v3f(0, 0.5 * BS, 0), BS);
 693 }
 694
 695 void GenericCAO::updateNodePos()
 696 {
 697         if (getParent() != NULL)
 698                 return;
 699
 700         scene::ISceneNode *node = getSceneNode();
 701
 702         if (node) {
 703                 v3s16 camera_offset = m_env->getCameraOffset();
 704                 node->setPosition(pos_translator.vect_show - intToFloat(camera_offset, BS));
 705                 if (node != m_spritenode) { // rotate if not a sprite
 706                         v3f rot = node->getRotation();
 707                         rot.Y = -m_yaw;
 708                         node->setRotation(rot);
 709                 }
 710         }
 711 }
 712
 713 void GenericCAO::step(float dtime, ClientEnvironment *env)
 714 {
 715         // Handel model of local player instantly to prevent lags
 716         if (m_is_local_player) {
 717                 LocalPlayer *player = m_env->getLocalPlayer();
 718                 if (m_is_visible) {
 719                         int old_anim = player->last_animation;
 720                         float old_anim_speed = player->last_animation_speed;
 721                         m_position = player->getPosition();
 722                         m_velocity = v3f(0,0,0);
 723                         m_acceleration = v3f(0,0,0);
 724                         pos_translator.vect_show = m_position;
 725                         m_yaw = player->getYaw();
 726                         const PlayerControl &controls = player->getPlayerControl();
 727
 728                         bool walking = false;
 729                         if (controls.up || controls.down || controls.left || controls.right ||
 730                                         controls.forw_move_joystick_axis != 0.f ||
 731                                         controls.sidew_move_joystick_axis != 0.f)
 732                                 walking = true;
 733
 734                         f32 new_speed = player->local_animation_speed;
 735                         v2s32 new_anim = v2s32(0,0);
 736                         bool allow_update = false;
 737
 738                         // increase speed if using fast or flying fast
 739                         if((g_settings->getBool("fast_move") &&
 740                                         m_client->checkLocalPrivilege("fast")) &&
 741                                         (controls.aux1 ||
 742                                         (!player->touching_ground &&
 743                                         g_settings->getBool("free_move") &&
 744                                         m_client->checkLocalPrivilege("fly"))))
 745                                         new_speed *= 1.5;
 746                         // slowdown speed if sneeking
 747                         if (controls.sneak && walking)
 748                                 new_speed /= 2;
 749
 750                         if (walking && (controls.LMB || controls.RMB)) {
 751                                 new_anim = player->local_animations[3];
 752                                 player->last_animation = WD_ANIM;
 753                         } else if(walking) {
 754                                 new_anim = player->local_animations[1];
 755                                 player->last_animation = WALK_ANIM;
 756                         } else if(controls.LMB || controls.RMB) {
 757                                 new_anim = player->local_animations[2];
 758                                 player->last_animation = DIG_ANIM;
 759                         }
 760
 761                         // Apply animations if input detected and not attached
 762                         // or set idle animation
 763                         if ((new_anim.X + new_anim.Y) > 0 && !player->isAttached) {
 764                                 allow_update = true;
 765                                 m_animation_range = new_anim;
 766                                 m_animation_speed = new_speed;
 767                                 player->last_animation_speed = m_animation_speed;
 768                         } else {
 769                                 player->last_animation = NO_ANIM;
 770
 771                                 if (old_anim != NO_ANIM) {
 772                                         m_animation_range = player->local_animations[0];
 773                                         updateAnimation();
 774                                 }
 775                         }
 776
 777                         // Update local player animations
 778                         if ((player->last_animation != old_anim ||
 779                                 m_animation_speed != old_anim_speed) &&
 780                                 player->last_animation != NO_ANIM && allow_update)
 781                                         updateAnimation();
 782
 783                 }
 784         }
 785
 786         if (m_visuals_expired && m_smgr) {
 787                 m_visuals_expired = false;
 788
 789                 // Attachments, part 1: All attached objects must be unparented first,
 790                 // or Irrlicht causes a segmentation fault
 791                 for (auto ci = m_children.begin(); ci != m_children.end();) {
 792                         if (m_env->attachement_parent_ids[*ci] != getId()) {
 793                                 ci = m_children.erase(ci);
 794                                 continue;
 795                         }
 796                         ClientActiveObject *obj = m_env->getActiveObject(*ci);
 797                         if (obj) {
 798                                 scene::ISceneNode *child_node = obj->getSceneNode();
 799                                 if (child_node)
 800                                         child_node->setParent(m_smgr->getRootSceneNode());
 801                         }
 802                         ++ci;
 803                 }
 804
 805                 removeFromScene(false);
 806                 addToScene(m_client->tsrc());
 807
 808                 // Attachments, part 2: Now that the parent has been refreshed, put its attachments back
 809                 for (u16 cao_id : m_children) {
 810                         // Get the object of the child
 811                         ClientActiveObject *obj = m_env->getActiveObject(cao_id);
 812                         if (obj)
 813                                 obj->setAttachments();
 814                 }
 815         }
 816
 817         // Make sure m_is_visible is always applied
 818         scene::ISceneNode *node = getSceneNode();
 819         if (node)
 820                 node->setVisible(m_is_visible);
 821
 822         if(getParent() != NULL) // Attachments should be glued to their parent by Irrlicht
 823         {
 824                 // Set these for later
 825                 m_position = getPosition();
 826                 m_velocity = v3f(0,0,0);
 827                 m_acceleration = v3f(0,0,0);
 828                 pos_translator.vect_show = m_position;
 829
 830                 if(m_is_local_player) // Update local player attachment position
 831                 {
 832                         LocalPlayer *player = m_env->getLocalPlayer();
 833                         player->overridePosition = getParent()->getPosition();
 834                         m_env->getLocalPlayer()->parent = getParent();
 835                 }
 836         } else {
 837                 v3f lastpos = pos_translator.vect_show;
 838
 839                 if(m_prop.physical)
 840                 {
 841                         aabb3f box = m_prop.collisionbox;
 842                         box.MinEdge *= BS;
 843                         box.MaxEdge *= BS;
 844                         collisionMoveResult moveresult;
 845                         f32 pos_max_d = BS*0.125; // Distance per iteration
 846                         v3f p_pos = m_position;
 847                         v3f p_velocity = m_velocity;
 848                         moveresult = collisionMoveSimple(env,env->getGameDef(),
 849                                         pos_max_d, box, m_prop.stepheight, dtime,
 850                                         &p_pos, &p_velocity, m_acceleration,
 851                                         this, m_prop.collideWithObjects);
 852                         // Apply results
 853                         m_position = p_pos;
 854                         m_velocity = p_velocity;
 855
 856                         bool is_end_position = moveresult.collides;
 857                         pos_translator.update(m_position, is_end_position, dtime);
 858                         pos_translator.translate(dtime);
 859                         updateNodePos();
 860                 } else {
 861                         m_position += dtime * m_velocity + 0.5 * dtime * dtime * m_acceleration;
 862                         m_velocity += dtime * m_acceleration;
 863                         pos_translator.update(m_position, pos_translator.aim_is_end,
 864                                         pos_translator.anim_time);
 865                         pos_translator.translate(dtime);
 866                         updateNodePos();
 867                 }
 868
 869                 float moved = lastpos.getDistanceFrom(pos_translator.vect_show);
 870                 m_step_distance_counter += moved;
 871                 if(m_step_distance_counter > 1.5*BS)
 872                 {
 873                         m_step_distance_counter = 0;
 874                         if(!m_is_local_player && m_prop.makes_footstep_sound)
 875                         {
 876                                 INodeDefManager *ndef = m_client->ndef();
 877                                 v3s16 p = floatToInt(getPosition() + v3f(0,
 878                                                 (m_prop.collisionbox.MinEdge.Y-0.5)*BS, 0), BS);
 879                                 MapNode n = m_env->getMap().getNodeNoEx(p);
 880                                 SimpleSoundSpec spec = ndef->get(n).sound_footstep;
 881                                 m_client->sound()->playSoundAt(spec, false, getPosition());
 882                         }
 883                 }
 884         }
 885
 886         m_anim_timer += dtime;
 887         if(m_anim_timer >= m_anim_framelength)
 888         {
 889                 m_anim_timer -= m_anim_framelength;
 890                 m_anim_frame++;
 891                 if(m_anim_frame >= m_anim_num_frames)
 892                         m_anim_frame = 0;
 893         }
 894
 895         updateTexturePos();
 896
 897         if(m_reset_textures_timer >= 0)
 898         {
 899                 m_reset_textures_timer -= dtime;
 900                 if(m_reset_textures_timer <= 0) {
 901                         m_reset_textures_timer = -1;
 902                         updateTextures(m_previous_texture_modifier);
 903                 }
 904         }
 905         if(!getParent() && fabs(m_prop.automatic_rotate) > 0.001)
 906         {
 907                 m_yaw += dtime * m_prop.automatic_rotate * 180 / M_PI;
 908                 updateNodePos();
 909         }
 910
 911         if (!getParent() && m_prop.automatic_face_movement_dir &&
 912                         (fabs(m_velocity.Z) > 0.001 || fabs(m_velocity.X) > 0.001))
 913         {
 914                 float optimal_yaw = atan2(m_velocity.Z,m_velocity.X) * 180 / M_PI
 915                                 + m_prop.automatic_face_movement_dir_offset;
 916                 float max_rotation_delta =
 917                                 dtime * m_prop.automatic_face_movement_max_rotation_per_sec;
 918
 919                 if ((m_prop.automatic_face_movement_max_rotation_per_sec > 0) &&
 920                         (fabs(m_yaw - optimal_yaw) > max_rotation_delta)) {
 921
 922                         m_yaw = optimal_yaw < m_yaw ? m_yaw - max_rotation_delta : m_yaw + max_rotation_delta;
 923                 } else {
 924                         m_yaw = optimal_yaw;
 925                 }
 926                 updateNodePos();
 927         }
 928 }
 929
 930 void GenericCAO::updateTexturePos()
 931 {
 932         if(m_spritenode)
 933         {
 934                 scene::ICameraSceneNode* camera =
 935                                 m_spritenode->getSceneManager()->getActiveCamera();
 936                 if(!camera)
 937                         return;
 938                 v3f cam_to_entity = m_spritenode->getAbsolutePosition()
 939                                 - camera->getAbsolutePosition();
 940                 cam_to_entity.normalize();
 941
 942                 int row = m_tx_basepos.Y;
 943                 int col = m_tx_basepos.X;
 944
 945                 if(m_tx_select_horiz_by_yawpitch)
 946                 {
 947                         if(cam_to_entity.Y > 0.75)
 948                                 col += 5;
 949                         else if(cam_to_entity.Y < -0.75)
 950                                 col += 4;
 951                         else{
 952                                 float mob_dir =
 953                                                 atan2(cam_to_entity.Z, cam_to_entity.X) / M_PI * 180.;
 954                                 float dir = mob_dir - m_yaw;
 955                                 dir = wrapDegrees_180(dir);
 956                                 //infostream<<"id="<<m_id<<" dir="<<dir<<std::endl;
 957                                 if(fabs(wrapDegrees_180(dir - 0)) <= 45.1)
 958                                         col += 2;
 959                                 else if(fabs(wrapDegrees_180(dir - 90)) <= 45.1)
 960                                         col += 3;
 961                                 else if(fabs(wrapDegrees_180(dir - 180)) <= 45.1)
 962                                         col += 0;
 963                                 else if(fabs(wrapDegrees_180(dir + 90)) <= 45.1)
 964                                         col += 1;
 965                                 else
 966                                         col += 4;
 967                         }
 968                 }
 969
 970                 // Animation goes downwards
 971                 row += m_anim_frame;
 972
 973                 float txs = m_tx_size.X;
 974                 float tys = m_tx_size.Y;
 975                 setBillboardTextureMatrix(m_spritenode,
 976                                 txs, tys, col, row);
 977         }
 978 }
 979
 980 void GenericCAO::updateTextures(std::string mod)
 981 {
 982         ITextureSource *tsrc = m_client->tsrc();
 983
 984         bool use_trilinear_filter = g_settings->getBool("trilinear_filter");
 985         bool use_bilinear_filter = g_settings->getBool("bilinear_filter");
 986         bool use_anisotropic_filter = g_settings->getBool("anisotropic_filter");
 987
 988         m_previous_texture_modifier = m_current_texture_modifier;
 989         m_current_texture_modifier = mod;
 990
 991         if (m_spritenode) {
 992                 if (m_prop.visual == "sprite") {
 993                         std::string texturestring = "unknown_node.png";
 994                         if (!m_prop.textures.empty())
 995                                 texturestring = m_prop.textures[0];
 996                         texturestring += mod;
 997                         m_spritenode->setMaterialTexture(0,
 998                                         tsrc->getTextureForMesh(texturestring));
 999
1000                         // This allows setting per-material colors. However, until a real lighting
1001                         // system is added, the code below will have no effect. Once MineTest
1002                         // has directional lighting, it should work automatically.
1003                         if (!m_prop.colors.empty()) {
1004                                 m_spritenode->getMaterial(0).AmbientColor = m_prop.colors[0];
1005                                 m_spritenode->getMaterial(0).DiffuseColor = m_prop.colors[0];
1006                                 m_spritenode->getMaterial(0).SpecularColor = m_prop.colors[0];
1007                         }
1008
1009                         m_spritenode->getMaterial(0).setFlag(video::EMF_TRILINEAR_FILTER, use_trilinear_filter);
1010                         m_spritenode->getMaterial(0).setFlag(video::EMF_BILINEAR_FILTER, use_bilinear_filter);
1011                         m_spritenode->getMaterial(0).setFlag(video::EMF_ANISOTROPIC_FILTER, use_anisotropic_filter);
1012                 }
1013         }
1014
1015         if (m_animated_meshnode) {
1016                 if (m_prop.visual == "mesh") {
1017                         for (u32 i = 0; i < m_prop.textures.size() &&
1018                                         i < m_animated_meshnode->getMaterialCount(); ++i) {
1019                                 std::string texturestring = m_prop.textures[i];
1020                                 if (texturestring.empty())
1021                                         continue; // Empty texture string means don't modify that material
1022                                 texturestring += mod;
1023                                 video::ITexture* texture = tsrc->getTextureForMesh(texturestring);
1024                                 if (!texture) {
1025                                         errorstream<<"GenericCAO::updateTextures(): Could not load texture "<<texturestring<<std::endl;
1026                                         continue;
1027                                 }
1028
1029                                 // Set material flags and texture
1030                                 video::SMaterial& material = m_animated_meshnode->getMaterial(i);
1031                                 material.TextureLayer[0].Texture = texture;
1032                                 material.setFlag(video::EMF_LIGHTING, false);
1033                                 material.setFlag(video::EMF_BILINEAR_FILTER, false);
1034
1035                                 m_animated_meshnode->getMaterial(i)
1036                                                 .setFlag(video::EMF_TRILINEAR_FILTER, use_trilinear_filter);
1037                                 m_animated_meshnode->getMaterial(i)
1038                                                 .setFlag(video::EMF_BILINEAR_FILTER, use_bilinear_filter);
1039                                 m_animated_meshnode->getMaterial(i)
1040                                                 .setFlag(video::EMF_ANISOTROPIC_FILTER, use_anisotropic_filter);
1041                         }
1042                         for (u32 i = 0; i < m_prop.colors.size() &&
1043                         i < m_animated_meshnode->getMaterialCount(); ++i)
1044                         {
1045                                 // This allows setting per-material colors. However, until a real lighting
1046                                 // system is added, the code below will have no effect. Once MineTest
1047                                 // has directional lighting, it should work automatically.
1048                                 m_animated_meshnode->getMaterial(i).AmbientColor = m_prop.colors[i];
1049                                 m_animated_meshnode->getMaterial(i).DiffuseColor = m_prop.colors[i];
1050                                 m_animated_meshnode->getMaterial(i).SpecularColor = m_prop.colors[i];
1051                         }
1052                 }
1053         }
1054         if(m_meshnode)
1055         {
1056                 if(m_prop.visual == "cube")
1057                 {
1058                         for (u32 i = 0; i < 6; ++i)
1059                         {
1060                                 std::string texturestring = "unknown_node.png";
1061                                 if(m_prop.textures.size() > i)
1062                                         texturestring = m_prop.textures[i];
1063                                 texturestring += mod;
1064
1065
1066                                 // Set material flags and texture
1067                                 video::SMaterial& material = m_meshnode->getMaterial(i);
1068                                 material.setFlag(video::EMF_LIGHTING, false);
1069                                 material.setFlag(video::EMF_BILINEAR_FILTER, false);
1070                                 material.setTexture(0,
1071                                                 tsrc->getTextureForMesh(texturestring));
1072                                 material.getTextureMatrix(0).makeIdentity();
1073
1074                                 // This allows setting per-material colors. However, until a real lighting
1075                                 // system is added, the code below will have no effect. Once MineTest
1076                                 // has directional lighting, it should work automatically.
1077                                 if(m_prop.colors.size() > i)
1078                                 {
1079                                         m_meshnode->getMaterial(i).AmbientColor = m_prop.colors[i];
1080                                         m_meshnode->getMaterial(i).DiffuseColor = m_prop.colors[i];
1081                                         m_meshnode->getMaterial(i).SpecularColor = m_prop.colors[i];
1082                                 }
1083
1084                                 m_meshnode->getMaterial(i).setFlag(video::EMF_TRILINEAR_FILTER, use_trilinear_filter);
1085                                 m_meshnode->getMaterial(i).setFlag(video::EMF_BILINEAR_FILTER, use_bilinear_filter);
1086                                 m_meshnode->getMaterial(i).setFlag(video::EMF_ANISOTROPIC_FILTER, use_anisotropic_filter);
1087                         }
1088                 } else if (m_prop.visual == "upright_sprite") {
1089                         scene::IMesh *mesh = m_meshnode->getMesh();
1090                         {
1091                                 std::string tname = "unknown_object.png";
1092                                 if (!m_prop.textures.empty())
1093                                         tname = m_prop.textures[0];
1094                                 tname += mod;
1095                                 scene::IMeshBuffer *buf = mesh->getMeshBuffer(0);
1096                                 buf->getMaterial().setTexture(0,
1097                                                 tsrc->getTextureForMesh(tname));
1098
1099                                 // This allows setting per-material colors. However, until a real lighting
1100                                 // system is added, the code below will have no effect. Once MineTest
1101                                 // has directional lighting, it should work automatically.
1102                                 if(!m_prop.colors.empty()) {
1103                                         buf->getMaterial().AmbientColor = m_prop.colors[0];
1104                                         buf->getMaterial().DiffuseColor = m_prop.colors[0];
1105                                         buf->getMaterial().SpecularColor = m_prop.colors[0];
1106                                 }
1107
1108                                 buf->getMaterial().setFlag(video::EMF_TRILINEAR_FILTER, use_trilinear_filter);
1109                                 buf->getMaterial().setFlag(video::EMF_BILINEAR_FILTER, use_bilinear_filter);
1110                                 buf->getMaterial().setFlag(video::EMF_ANISOTROPIC_FILTER, use_anisotropic_filter);
1111                         }
1112                         {
1113                                 std::string tname = "unknown_object.png";
1114                                 if (m_prop.textures.size() >= 2)
1115                                         tname = m_prop.textures[1];
1116                                 else if (!m_prop.textures.empty())
1117                                         tname = m_prop.textures[0];
1118                                 tname += mod;
1119                                 scene::IMeshBuffer *buf = mesh->getMeshBuffer(1);
1120                                 buf->getMaterial().setTexture(0,
1121                                                 tsrc->getTextureForMesh(tname));
1122
1123                                 // This allows setting per-material colors. However, until a real lighting
1124                                 // system is added, the code below will have no effect. Once MineTest
1125                                 // has directional lighting, it should work automatically.
1126                                 if (m_prop.colors.size() >= 2) {
1127                                         buf->getMaterial().AmbientColor = m_prop.colors[1];
1128                                         buf->getMaterial().DiffuseColor = m_prop.colors[1];
1129                                         buf->getMaterial().SpecularColor = m_prop.colors[1];
1130                                 } else if (!m_prop.colors.empty()) {
1131                                         buf->getMaterial().AmbientColor = m_prop.colors[0];
1132                                         buf->getMaterial().DiffuseColor = m_prop.colors[0];
1133                                         buf->getMaterial().SpecularColor = m_prop.colors[0];
1134                                 }
1135
1136                                 buf->getMaterial().setFlag(video::EMF_TRILINEAR_FILTER, use_trilinear_filter);
1137                                 buf->getMaterial().setFlag(video::EMF_BILINEAR_FILTER, use_bilinear_filter);
1138                                 buf->getMaterial().setFlag(video::EMF_ANISOTROPIC_FILTER, use_anisotropic_filter);
1139                         }
1140                 }
1141         }
1142 }
1143
1144 void GenericCAO::updateAnimation()
1145 {
1146         if (!m_animated_meshnode)
1147                 return;
1148
1149         if (m_animated_meshnode->getStartFrame() != m_animation_range.X ||
1150                 m_animated_meshnode->getEndFrame() != m_animation_range.Y)
1151                         m_animated_meshnode->setFrameLoop(m_animation_range.X, m_animation_range.Y);
1152         if (m_animated_meshnode->getAnimationSpeed() != m_animation_speed)
1153                 m_animated_meshnode->setAnimationSpeed(m_animation_speed);
1154         m_animated_meshnode->setTransitionTime(m_animation_blend);
1155 // Requires Irrlicht 1.8 or greater
1156 #if (IRRLICHT_VERSION_MAJOR == 1 && IRRLICHT_VERSION_MINOR >= 8) || IRRLICHT_VERSION_MAJOR > 1
1157         if (m_animated_meshnode->getLoopMode() != m_animation_loop)
1158                 m_animated_meshnode->setLoopMode(m_animation_loop);
1159 #endif
1160 }
1161
1162 void GenericCAO::updateBonePosition()
1163 {
1164         if(m_bone_position.empty() || !m_animated_meshnode)
1165                 return;
1166
1167         m_animated_meshnode->setJointMode(irr::scene::EJUOR_CONTROL); // To write positions to the mesh on render
1168         for(std::unordered_map<std::string, core::vector2d<v3f>>::const_iterator
1169                         ii = m_bone_position.begin(); ii != m_bone_position.end(); ++ii) {
1170                 std::string bone_name = (*ii).first;
1171                 v3f bone_pos = (*ii).second.X;
1172                 v3f bone_rot = (*ii).second.Y;
1173                 irr::scene::IBoneSceneNode* bone = m_animated_meshnode->getJointNode(bone_name.c_str());
1174                 if(bone)
1175                 {
1176                         bone->setPosition(bone_pos);
1177                         bone->setRotation(bone_rot);
1178                 }
1179         }
1180 }
1181
1182 void GenericCAO::updateAttachments()
1183 {
1184
1185         if (!getParent()) { // Detach or don't attach
1186                 scene::ISceneNode *node = getSceneNode();
1187                 if (node) {
1188                         v3f old_position = node->getAbsolutePosition();
1189                         v3f old_rotation = node->getRotation();
1190                         node->setParent(m_smgr->getRootSceneNode());
1191                         node->setPosition(old_position);
1192                         node->setRotation(old_rotation);
1193                         node->updateAbsolutePosition();
1194                 }
1195                 if (m_is_local_player) {
1196                         LocalPlayer *player = m_env->getLocalPlayer();
1197                         player->isAttached = false;
1198                 }
1199         }
1200         else // Attach
1201         {
1202                 scene::ISceneNode *my_node = getSceneNode();
1203
1204                 scene::ISceneNode *parent_node = getParent()->getSceneNode();
1205                 scene::IAnimatedMeshSceneNode *parent_animated_mesh_node =
1206                                 getParent()->getAnimatedMeshSceneNode();
1207                 if (parent_animated_mesh_node && !m_attachment_bone.empty()) {
1208                         parent_node = parent_animated_mesh_node->getJointNode(m_attachment_bone.c_str());
1209                 }
1210
1211                 if (my_node && parent_node) {
1212                         my_node->setParent(parent_node);
1213                         my_node->setPosition(m_attachment_position);
1214                         my_node->setRotation(m_attachment_rotation);
1215                         my_node->updateAbsolutePosition();
1216                 }
1217                 if (m_is_local_player) {
1218                         LocalPlayer *player = m_env->getLocalPlayer();
1219                         player->isAttached = true;
1220                 }
1221         }
1222 }
1223
1224 void GenericCAO::processMessage(const std::string &data)
1225 {
1226         //infostream<<"GenericCAO: Got message"<<std::endl;
1227         std::istringstream is(data, std::ios::binary);
1228         // command
1229         u8 cmd = readU8(is);
1230         if (cmd == GENERIC_CMD_SET_PROPERTIES) {
1231                 m_prop = gob_read_set_properties(is);
1232
1233                 m_selection_box = m_prop.collisionbox;
1234                 m_selection_box.MinEdge *= BS;
1235                 m_selection_box.MaxEdge *= BS;
1236
1237                 m_tx_size.X = 1.0 / m_prop.spritediv.X;
1238                 m_tx_size.Y = 1.0 / m_prop.spritediv.Y;
1239
1240                 if(!m_initial_tx_basepos_set){
1241                         m_initial_tx_basepos_set = true;
1242                         m_tx_basepos = m_prop.initial_sprite_basepos;
1243                 }
1244                 if (m_is_local_player) {
1245                         LocalPlayer *player = m_env->getLocalPlayer();
1246                         player->makes_footstep_sound = m_prop.makes_footstep_sound;
1247                         player->setCollisionbox(m_selection_box);
1248                 }
1249
1250                 if ((m_is_player && !m_is_local_player) && m_prop.nametag.empty())
1251                         m_prop.nametag = m_name;
1252
1253                 expireVisuals();
1254         } else if (cmd == GENERIC_CMD_UPDATE_POSITION) {
1255                 // Not sent by the server if this object is an attachment.
1256                 // We might however get here if the server notices the object being detached before the client.
1257                 m_position = readV3F1000(is);
1258                 m_velocity = readV3F1000(is);
1259                 m_acceleration = readV3F1000(is);
1260                 if(fabs(m_prop.automatic_rotate) < 0.001)
1261                         m_yaw = readF1000(is);
1262                 else
1263                         readF1000(is);
1264                 bool do_interpolate = readU8(is);
1265                 bool is_end_position = readU8(is);
1266                 float update_interval = readF1000(is);
1267
1268                 // Place us a bit higher if we're physical, to not sink into
1269                 // the ground due to sucky collision detection...
1270                 if(m_prop.physical)
1271                         m_position += v3f(0,0.002,0);
1272
1273                 if(getParent() != NULL) // Just in case
1274                         return;
1275
1276                 if(do_interpolate)
1277                 {
1278                         if(!m_prop.physical)
1279                                 pos_translator.update(m_position, is_end_position, update_interval);
1280                 } else {
1281                         pos_translator.init(m_position);
1282                 }
1283                 updateNodePos();
1284         } else if (cmd == GENERIC_CMD_SET_TEXTURE_MOD) {
1285                 std::string mod = deSerializeString(is);
1286
1287                 // immediatly reset a engine issued texture modifier if a mod sends a different one
1288                 if (m_reset_textures_timer > 0) {
1289                         m_reset_textures_timer = -1;
1290                         updateTextures(m_previous_texture_modifier);
1291                 }
1292                 updateTextures(mod);
1293         } else if (cmd == GENERIC_CMD_SET_SPRITE) {
1294                 v2s16 p = readV2S16(is);
1295                 int num_frames = readU16(is);
1296                 float framelength = readF1000(is);
1297                 bool select_horiz_by_yawpitch = readU8(is);
1298
1299                 m_tx_basepos = p;
1300                 m_anim_num_frames = num_frames;
1301                 m_anim_framelength = framelength;
1302                 m_tx_select_horiz_by_yawpitch = select_horiz_by_yawpitch;
1303
1304                 updateTexturePos();
1305         } else if (cmd == GENERIC_CMD_SET_PHYSICS_OVERRIDE) {
1306                 float override_speed = readF1000(is);
1307                 float override_jump = readF1000(is);
1308                 float override_gravity = readF1000(is);
1309                 // these are sent inverted so we get true when the server sends nothing
1310                 bool sneak = !readU8(is);
1311                 bool sneak_glitch = !readU8(is);
1312                 bool new_move = !readU8(is);
1313
1314
1315                 if(m_is_local_player)
1316                 {
1317                         LocalPlayer *player = m_env->getLocalPlayer();
1318                         player->physics_override_speed = override_speed;
1319                         player->physics_override_jump = override_jump;
1320                         player->physics_override_gravity = override_gravity;
1321                         player->physics_override_sneak = sneak;
1322                         player->physics_override_sneak_glitch = sneak_glitch;
1323                         player->physics_override_new_move = new_move;
1324                 }
1325         } else if (cmd == GENERIC_CMD_SET_ANIMATION) {
1326                 // TODO: change frames send as v2s32 value
1327                 v2f range = readV2F1000(is);
1328                 if (!m_is_local_player) {
1329                         m_animation_range = v2s32((s32)range.X, (s32)range.Y);
1330                         m_animation_speed = readF1000(is);
1331                         m_animation_blend = readF1000(is);
1332                         // these are sent inverted so we get true when the server sends nothing
1333                         m_animation_loop = !readU8(is);
1334                         updateAnimation();
1335                 } else {
1336                         LocalPlayer *player = m_env->getLocalPlayer();
1337                         if(player->last_animation == NO_ANIM)
1338                         {
1339                                 m_animation_range = v2s32((s32)range.X, (s32)range.Y);
1340                                 m_animation_speed = readF1000(is);
1341                                 m_animation_blend = readF1000(is);
1342                                 // these are sent inverted so we get true when the server sends nothing
1343                                 m_animation_loop = !readU8(is);
1344                         }
1345                         // update animation only if local animations present
1346                         // and received animation is unknown (except idle animation)
1347                         bool is_known = false;
1348                         for (int i = 1;i<4;i++)
1349                         {
1350                                 if(m_animation_range.Y == player->local_animations[i].Y)
1351                                         is_known = true;
1352                         }
1353                         if(!is_known ||
1354                                         (player->local_animations[1].Y + player->local_animations[2].Y < 1))
1355                         {
1356                                         updateAnimation();
1357                         }
1358                 }
1359         } else if (cmd == GENERIC_CMD_SET_BONE_POSITION) {
1360                 std::string bone = deSerializeString(is);
1361                 v3f position = readV3F1000(is);
1362                 v3f rotation = readV3F1000(is);
1363                 m_bone_position[bone] = core::vector2d<v3f>(position, rotation);
1364
1365                 updateBonePosition();
1366         } else if (cmd == GENERIC_CMD_ATTACH_TO) {
1367                 u16 parentID = readS16(is);
1368                 u16 oldparent = m_env->attachement_parent_ids[getId()];
1369                 if (oldparent) {
1370                         m_children.erase(std::remove(m_children.begin(), m_children.end(),
1371                                 getId()), m_children.end());
1372                 }
1373                 m_env->attachement_parent_ids[getId()] = parentID;
1374                 GenericCAO *parentobj = m_env->getGenericCAO(parentID);
1375
1376                 if (parentobj) {
1377                         parentobj->m_children.push_back(getId());
1378                 }
1379
1380                 m_attachment_bone = deSerializeString(is);
1381                 m_attachment_position = readV3F1000(is);
1382                 m_attachment_rotation = readV3F1000(is);
1383
1384                 // localplayer itself can't be attached to localplayer
1385                 if (!m_is_local_player) {
1386                         m_attached_to_local = getParent() != NULL && getParent()->isLocalPlayer();
1387                         // Objects attached to the local player should be hidden by default
1388                         m_is_visible = !m_attached_to_local;
1389                 }
1390
1391                 updateAttachments();
1392         } else if (cmd == GENERIC_CMD_PUNCHED) {
1393                 /*s16 damage =*/ readS16(is);
1394                 s16 result_hp = readS16(is);
1395
1396                 // Use this instead of the send damage to not interfere with prediction
1397                 s16 damage = m_hp - result_hp;
1398
1399                 m_hp = result_hp;
1400
1401                 if (damage > 0)
1402                 {
1403                         if (m_hp <= 0)
1404                         {
1405                                 // TODO: Execute defined fast response
1406                                 // As there is no definition, make a smoke puff
1407                                 ClientSimpleObject *simple = createSmokePuff(
1408                                                 m_smgr, m_env, m_position,
1409                                                 m_prop.visual_size * BS);
1410                                 m_env->addSimpleObject(simple);
1411                         } else if (m_reset_textures_timer < 0) {
1412                                 // TODO: Execute defined fast response
1413                                 // Flashing shall suffice as there is no definition
1414                                 m_reset_textures_timer = 0.05;
1415                                 if(damage >= 2)
1416                                         m_reset_textures_timer += 0.05 * damage;
1417                                 updateTextures(m_current_texture_modifier + "^[brighten");
1418                         }
1419                 }
1420         } else if (cmd == GENERIC_CMD_UPDATE_ARMOR_GROUPS) {
1421                 m_armor_groups.clear();
1422                 int armor_groups_size = readU16(is);
1423                 for(int i=0; i<armor_groups_size; i++)
1424                 {
1425                         std::string name = deSerializeString(is);
1426                         int rating = readS16(is);
1427                         m_armor_groups[name] = rating;
1428                 }
1429         } else if (cmd == GENERIC_CMD_UPDATE_NAMETAG_ATTRIBUTES) {
1430                 // Deprecated, for backwards compatibility only.
1431                 readU8(is); // version
1432                 m_prop.nametag_color = readARGB8(is);
1433                 if (m_nametag != NULL) {
1434                         m_nametag->nametag_color = m_prop.nametag_color;
1435                         v3f pos;
1436                         pos.Y = m_prop.collisionbox.MaxEdge.Y + 0.3f;
1437                         m_nametag->nametag_pos = pos;
1438                 }
1439         } else if (cmd == GENERIC_CMD_SPAWN_INFANT) {
1440                 u16 child_id = readU16(is);
1441                 u8 type = readU8(is);
1442
1443                 if (GenericCAO *childobj = m_env->getGenericCAO(child_id)) {
1444                         childobj->processInitData(deSerializeLongString(is));
1445                 } else {
1446                         m_env->addActiveObject(child_id, type, deSerializeLongString(is));
1447                 }
1448         } else {
1449                 warningstream << FUNCTION_NAME
1450                         << ": unknown command or outdated client \""
1451                         << +cmd << "\"" << std::endl;
1452         }
1453 }
1454
1455 /* \pre punchitem != NULL
1456  */
1457 bool GenericCAO::directReportPunch(v3f dir, const ItemStack *punchitem,
1458                 float time_from_last_punch)
1459 {
1460         assert(punchitem);      // pre-condition
1461         const ToolCapabilities *toolcap =
1462                         &punchitem->getToolCapabilities(m_client->idef());
1463         PunchDamageResult result = getPunchDamage(
1464                         m_armor_groups,
1465                         toolcap,
1466                         punchitem,
1467                         time_from_last_punch);
1468
1469         if(result.did_punch && result.damage != 0)
1470         {
1471                 if(result.damage < m_hp)
1472                 {
1473                         m_hp -= result.damage;
1474                 } else {
1475                         m_hp = 0;
1476                         // TODO: Execute defined fast response
1477                         // As there is no definition, make a smoke puff
1478                         ClientSimpleObject *simple = createSmokePuff(
1479                                         m_smgr, m_env, m_position,
1480                                         m_prop.visual_size * BS);
1481                         m_env->addSimpleObject(simple);
1482                 }
1483                 // TODO: Execute defined fast response
1484                 // Flashing shall suffice as there is no definition
1485                 if (m_reset_textures_timer < 0) {
1486                         m_reset_textures_timer = 0.05;
1487                         if (result.damage >= 2)
1488                                 m_reset_textures_timer += 0.05 * result.damage;
1489                         updateTextures(m_current_texture_modifier + "^[brighten");
1490                 }
1491         }
1492
1493         return false;
1494 }
1495
1496 std::string GenericCAO::debugInfoText()
1497 {
1498         std::ostringstream os(std::ios::binary);
1499         os<<"GenericCAO hp="<<m_hp<<"\n";
1500         os<<"armor={";
1501         for(ItemGroupList::const_iterator i = m_armor_groups.begin();
1502                         i != m_armor_groups.end(); ++i)
1503         {
1504                 os<<i->first<<"="<<i->second<<", ";
1505         }
1506         os<<"}";
1507         return os.str();
1508 }
1509
1510 // Prototype
1511 GenericCAO proto_GenericCAO(NULL, NULL);