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         }
 304 }
 305
 306 void GenericCAO::processInitData(const std::string &data)
 307 {
 308         std::istringstream is(data, std::ios::binary);
 309         int num_messages = 0;
 310         // version
 311         u8 version = readU8(is);
 312         // check version
 313         if (version == 1) { // In PROTOCOL_VERSION 14
 314                 m_name = deSerializeString(is);
 315                 m_is_player = readU8(is);
 316                 m_id = readU16(is);
 317                 m_position = readV3F1000(is);
 318                 m_yaw = readF1000(is);
 319                 m_hp = readS16(is);
 320                 num_messages = readU8(is);
 321         } else {
 322                 errorstream<<"GenericCAO: Unsupported init data version"
 323                                 <<std::endl;
 324                 return;
 325         }
 326
 327         for (int i = 0; i < num_messages; i++) {
 328                 std::string message = deSerializeLongString(is);
 329                 processMessage(message);
 330         }
 331
 332         pos_translator.init(m_position);
 333         updateNodePos();
 334 }
 335
 336 GenericCAO::~GenericCAO()
 337 {
 338         removeFromScene(true);
 339 }
 340
 341 bool GenericCAO::getSelectionBox(aabb3f *toset) const
 342 {
 343         if (!m_prop.is_visible || !m_is_visible || m_is_local_player
 344                         || !m_prop.pointable || getParent() != NULL) {
 345                 return false;
 346         }
 347         *toset = m_selection_box;
 348         return true;
 349 }
 350
 351 v3f GenericCAO::getPosition()
 352 {
 353         if (getParent() != NULL) {
 354                 scene::ISceneNode *node = getSceneNode();
 355                 if (node)
 356                         return node->getAbsolutePosition();
 357
 358                 return m_position;
 359         }
 360         return pos_translator.vect_show;
 361 }
 362
 363 scene::ISceneNode* GenericCAO::getSceneNode()
 364 {
 365         if (m_meshnode) {
 366                 return m_meshnode;
 367         }
 368
 369         if (m_animated_meshnode) {
 370                 return m_animated_meshnode;
 371         }
 372
 373         if (m_wield_meshnode) {
 374                 return m_wield_meshnode;
 375         }
 376
 377         if (m_spritenode) {
 378                 return m_spritenode;
 379         }
 380         return NULL;
 381 }
 382
 383 scene::IAnimatedMeshSceneNode* GenericCAO::getAnimatedMeshSceneNode()
 384 {
 385         return m_animated_meshnode;
 386 }
 387
 388 void GenericCAO::setChildrenVisible(bool toset)
 389 {
 390         for (u16 cao_id : m_children) {
 391                 GenericCAO *obj = m_env->getGenericCAO(cao_id);
 392                 if (obj) {
 393                         obj->setVisible(toset);
 394                 }
 395         }
 396 }
 397
 398 void GenericCAO::setAttachments()
 399 {
 400         updateAttachments();
 401 }
 402
 403 ClientActiveObject* GenericCAO::getParent() const
 404 {
 405         ClientActiveObject *obj = NULL;
 406
 407         u16 attached_id = m_env->attachement_parent_ids[getId()];
 408
 409         if ((attached_id != 0) &&
 410                         (attached_id != getId())) {
 411                 obj = m_env->getActiveObject(attached_id);
 412         }
 413         return obj;
 414 }
 415
 416 void GenericCAO::removeFromScene(bool permanent)
 417 {
 418         // Should be true when removing the object permanently and false when refreshing (eg: updating visuals)
 419         if((m_env != NULL) && (permanent))
 420         {
 421                 for (u16 ci : m_children) {
 422                         if (m_env->attachement_parent_ids[ci] == getId()) {
 423                                 m_env->attachement_parent_ids[ci] = 0;
 424                         }
 425                 }
 426
 427                 m_env->attachement_parent_ids[getId()] = 0;
 428
 429                 LocalPlayer* player = m_env->getLocalPlayer();
 430                 if (this == player->parent) {
 431                         player->parent = NULL;
 432                         player->isAttached = false;
 433                 }
 434         }
 435
 436         if (m_meshnode) {
 437                 m_meshnode->remove();
 438                 m_meshnode->drop();
 439                 m_meshnode = NULL;
 440         } else if (m_animated_meshnode) {
 441                 m_animated_meshnode->remove();
 442                 m_animated_meshnode->drop();
 443                 m_animated_meshnode = NULL;
 444         } else if (m_wield_meshnode) {
 445                 m_wield_meshnode->remove();
 446                 m_wield_meshnode->drop();
 447                 m_wield_meshnode = NULL;
 448         } else if (m_spritenode) {
 449                 m_spritenode->remove();
 450                 m_spritenode->drop();
 451                 m_spritenode = NULL;
 452         }
 453
 454         if (m_nametag) {
 455                 m_client->getCamera()->removeNametag(m_nametag);
 456                 m_nametag = NULL;
 457         }
 458 }
 459
 460 void GenericCAO::addToScene(ITextureSource *tsrc)
 461 {
 462         m_smgr = RenderingEngine::get_scene_manager();
 463
 464         if (getSceneNode() != NULL) {
 465                 return;
 466         }
 467
 468         m_visuals_expired = false;
 469
 470         if (!m_prop.is_visible) {
 471                 return;
 472         }
 473
 474         if (m_prop.visual == "sprite") {
 475                 infostream<<"GenericCAO::addToScene(): single_sprite"<<std::endl;
 476                 m_spritenode = RenderingEngine::get_scene_manager()->addBillboardSceneNode(
 477                                 NULL, v2f(1, 1), v3f(0,0,0), -1);
 478                 m_spritenode->grab();
 479                 m_spritenode->setMaterialTexture(0,
 480                                 tsrc->getTextureForMesh("unknown_node.png"));
 481                 m_spritenode->setMaterialFlag(video::EMF_LIGHTING, false);
 482                 m_spritenode->setMaterialFlag(video::EMF_BILINEAR_FILTER, false);
 483                 m_spritenode->setMaterialType(video::EMT_TRANSPARENT_ALPHA_CHANNEL_REF);
 484                 m_spritenode->setMaterialFlag(video::EMF_FOG_ENABLE, true);
 485                 u8 li = m_last_light;
 486                 m_spritenode->setColor(video::SColor(255,li,li,li));
 487                 m_spritenode->setSize(m_prop.visual_size*BS);
 488                 {
 489                         const float txs = 1.0 / 1;
 490                         const float tys = 1.0 / 1;
 491                         setBillboardTextureMatrix(m_spritenode,
 492                                         txs, tys, 0, 0);
 493                 }
 494         } else if (m_prop.visual == "upright_sprite") {
 495                 scene::SMesh *mesh = new scene::SMesh();
 496                 double dx = BS * m_prop.visual_size.X / 2;
 497                 double dy = BS * m_prop.visual_size.Y / 2;
 498                 u8 li = m_last_light;
 499                 video::SColor c(255, li, li, li);
 500
 501                 { // Front
 502                         scene::IMeshBuffer *buf = new scene::SMeshBuffer();
 503                         video::S3DVertex vertices[4] = {
 504                                 video::S3DVertex(-dx, -dy, 0, 0,0,0, c, 1,1),
 505                                 video::S3DVertex( dx, -dy, 0, 0,0,0, c, 0,1),
 506                                 video::S3DVertex( dx,  dy, 0, 0,0,0, c, 0,0),
 507                                 video::S3DVertex(-dx,  dy, 0, 0,0,0, c, 1,0),
 508                         };
 509                         u16 indices[] = {0,1,2,2,3,0};
 510                         buf->append(vertices, 4, indices, 6);
 511                         // Set material
 512                         buf->getMaterial().setFlag(video::EMF_LIGHTING, false);
 513                         buf->getMaterial().setFlag(video::EMF_BILINEAR_FILTER, false);
 514                         buf->getMaterial().setFlag(video::EMF_FOG_ENABLE, true);
 515                         buf->getMaterial().MaterialType = video::EMT_TRANSPARENT_ALPHA_CHANNEL;
 516                         // Add to mesh
 517                         mesh->addMeshBuffer(buf);
 518                         buf->drop();
 519                 }
 520                 { // Back
 521                         scene::IMeshBuffer *buf = new scene::SMeshBuffer();
 522                         video::S3DVertex vertices[4] = {
 523                                 video::S3DVertex( dx,-dy, 0, 0,0,0, c, 1,1),
 524                                 video::S3DVertex(-dx,-dy, 0, 0,0,0, c, 0,1),
 525                                 video::S3DVertex(-dx, dy, 0, 0,0,0, c, 0,0),
 526                                 video::S3DVertex( dx, dy, 0, 0,0,0, c, 1,0),
 527                         };
 528                         u16 indices[] = {0,1,2,2,3,0};
 529                         buf->append(vertices, 4, indices, 6);
 530                         // Set material
 531                         buf->getMaterial().setFlag(video::EMF_LIGHTING, false);
 532                         buf->getMaterial().setFlag(video::EMF_BILINEAR_FILTER, false);
 533                         buf->getMaterial().setFlag(video::EMF_FOG_ENABLE, true);
 534                         buf->getMaterial().MaterialType = video::EMT_TRANSPARENT_ALPHA_CHANNEL_REF;
 535                         // Add to mesh
 536                         mesh->addMeshBuffer(buf);
 537                         buf->drop();
 538                 }
 539                 m_meshnode = RenderingEngine::get_scene_manager()->addMeshSceneNode(mesh, NULL);
 540                 m_meshnode->grab();
 541                 mesh->drop();
 542                 // Set it to use the materials of the meshbuffers directly.
 543                 // This is needed for changing the texture in the future
 544                 m_meshnode->setReadOnlyMaterials(true);
 545         }
 546         else if(m_prop.visual == "cube") {
 547                 infostream<<"GenericCAO::addToScene(): cube"<<std::endl;
 548                 scene::IMesh *mesh = createCubeMesh(v3f(BS,BS,BS));
 549                 m_meshnode = RenderingEngine::get_scene_manager()->addMeshSceneNode(mesh, NULL);
 550                 m_meshnode->grab();
 551                 mesh->drop();
 552
 553                 m_meshnode->setScale(v3f(m_prop.visual_size.X,
 554                                 m_prop.visual_size.Y,
 555                                 m_prop.visual_size.X));
 556                 u8 li = m_last_light;
 557                 setMeshColor(m_meshnode->getMesh(), video::SColor(255,li,li,li));
 558
 559                 m_meshnode->setMaterialFlag(video::EMF_LIGHTING, false);
 560                 m_meshnode->setMaterialFlag(video::EMF_BILINEAR_FILTER, false);
 561                 m_meshnode->setMaterialType(video::EMT_TRANSPARENT_ALPHA_CHANNEL_REF);
 562                 m_meshnode->setMaterialFlag(video::EMF_FOG_ENABLE, true);
 563         }
 564         else if(m_prop.visual == "mesh") {
 565                 infostream<<"GenericCAO::addToScene(): mesh"<<std::endl;
 566                 scene::IAnimatedMesh *mesh = m_client->getMesh(m_prop.mesh);
 567                 if(mesh)
 568                 {
 569                         m_animated_meshnode = RenderingEngine::get_scene_manager()->
 570                                 addAnimatedMeshSceneNode(mesh, NULL);
 571                         m_animated_meshnode->grab();
 572                         mesh->drop(); // The scene node took hold of it
 573                         m_animated_meshnode->animateJoints(); // Needed for some animations
 574                         m_animated_meshnode->setScale(v3f(m_prop.visual_size.X,
 575                                         m_prop.visual_size.Y,
 576                                         m_prop.visual_size.X));
 577                         u8 li = m_last_light;
 578                         setMeshColor(m_animated_meshnode->getMesh(), video::SColor(255,li,li,li));
 579
 580                         bool backface_culling = m_prop.backface_culling;
 581                         if (m_is_player)
 582                                 backface_culling = false;
 583
 584                         m_animated_meshnode->setMaterialFlag(video::EMF_LIGHTING, false);
 585                         m_animated_meshnode->setMaterialFlag(video::EMF_BILINEAR_FILTER, false);
 586                         m_animated_meshnode->setMaterialType(video::EMT_TRANSPARENT_ALPHA_CHANNEL_REF);
 587                         m_animated_meshnode->setMaterialFlag(video::EMF_FOG_ENABLE, true);
 588                         m_animated_meshnode->setMaterialFlag(video::EMF_BACK_FACE_CULLING, backface_culling);
 589                 }
 590                 else
 591                         errorstream<<"GenericCAO::addToScene(): Could not load mesh "<<m_prop.mesh<<std::endl;
 592         } else if (m_prop.visual == "wielditem") {
 593                 ItemStack item;
 594                 infostream << "GenericCAO::addToScene(): wielditem" << std::endl;
 595                 if (m_prop.wield_item.empty()) {
 596                         // Old format, only textures are specified.
 597                         infostream << "textures: " << m_prop.textures.size() << std::endl;
 598                         if (!m_prop.textures.empty()) {
 599                                 infostream << "textures[0]: " << m_prop.textures[0]
 600                                         << std::endl;
 601                                 IItemDefManager *idef = m_client->idef();
 602                                 item = ItemStack(m_prop.textures[0], 1, 0, idef);
 603                         }
 604                 } else {
 605                         infostream << "serialized form: " << m_prop.wield_item << std::endl;
 606                         item.deSerialize(m_prop.wield_item, m_client->idef());
 607                 }
 608                 m_wield_meshnode = new WieldMeshSceneNode(
 609                         RenderingEngine::get_scene_manager(), -1);
 610                 m_wield_meshnode->setItem(item, m_client);
 611
 612                 m_wield_meshnode->setScale(
 613                         v3f(m_prop.visual_size.X / 2, m_prop.visual_size.Y / 2,
 614                                 m_prop.visual_size.X / 2));
 615                 u8 li = m_last_light;
 616                 m_wield_meshnode->setColor(video::SColor(255, li, li, li));
 617         } else {
 618                 infostream<<"GenericCAO::addToScene(): \""<<m_prop.visual
 619                                 <<"\" not supported"<<std::endl;
 620         }
 621
 622         /* don't update while punch texture modifier is active */
 623         if (m_reset_textures_timer < 0)
 624                 updateTextures(m_current_texture_modifier);
 625
 626         scene::ISceneNode *node = getSceneNode();
 627         if (node && !m_prop.nametag.empty() && !m_is_local_player) {
 628                 // Add nametag
 629                 v3f pos;
 630                 pos.Y = m_prop.collisionbox.MaxEdge.Y + 0.3f;
 631                 m_nametag = m_client->getCamera()->addNametag(node,
 632                         m_prop.nametag, m_prop.nametag_color,
 633                         pos);
 634         }
 635
 636         updateNodePos();
 637         updateAnimation();
 638         updateBonePosition();
 639         updateAttachments();
 640 }
 641
 642 void GenericCAO::updateLight(u8 light_at_pos)
 643 {
 644         // Don't update light of attached one
 645         if (getParent() != NULL) {
 646                 return;
 647         }
 648
 649         updateLightNoCheck(light_at_pos);
 650
 651         // Update light of all children
 652         for (u16 i : m_children) {
 653                 ClientActiveObject *obj = m_env->getActiveObject(i);
 654                 if (obj) {
 655                         obj->updateLightNoCheck(light_at_pos);
 656                 }
 657         }
 658 }
 659
 660 void GenericCAO::updateLightNoCheck(u8 light_at_pos)
 661 {
 662         u8 li = decode_light(light_at_pos);
 663         if (li != m_last_light) {
 664                 m_last_light = li;
 665                 video::SColor color(255,li,li,li);
 666                 if (m_meshnode) {
 667                         setMeshColor(m_meshnode->getMesh(), color);
 668                 } else if (m_animated_meshnode) {
 669                         setMeshColor(m_animated_meshnode->getMesh(), color);
 670                 } else if (m_wield_meshnode) {
 671                         m_wield_meshnode->setColor(color);
 672                 } else if (m_spritenode) {
 673                         m_spritenode->setColor(color);
 674                 }
 675         }
 676 }
 677
 678 v3s16 GenericCAO::getLightPosition()
 679 {
 680         if (m_is_player)
 681                 return floatToInt(m_position + v3f(0, 0.5 * BS, 0), BS);
 682
 683         return floatToInt(m_position, BS);
 684 }
 685
 686 void GenericCAO::updateNodePos()
 687 {
 688         if (getParent() != NULL)
 689                 return;
 690
 691         scene::ISceneNode *node = getSceneNode();
 692
 693         if (node) {
 694                 v3s16 camera_offset = m_env->getCameraOffset();
 695                 node->setPosition(pos_translator.vect_show - intToFloat(camera_offset, BS));
 696                 if (node != m_spritenode) { // rotate if not a sprite
 697                         v3f rot = node->getRotation();
 698                         rot.Y = -m_yaw;
 699                         node->setRotation(rot);
 700                 }
 701         }
 702 }
 703
 704 void GenericCAO::step(float dtime, ClientEnvironment *env)
 705 {
 706         // Handel model of local player instantly to prevent lags
 707         if (m_is_local_player) {
 708                 LocalPlayer *player = m_env->getLocalPlayer();
 709                 if (m_is_visible) {
 710                         int old_anim = player->last_animation;
 711                         float old_anim_speed = player->last_animation_speed;
 712                         m_position = player->getPosition();
 713                         m_velocity = v3f(0,0,0);
 714                         m_acceleration = v3f(0,0,0);
 715                         pos_translator.vect_show = m_position;
 716                         m_yaw = player->getYaw();
 717                         const PlayerControl &controls = player->getPlayerControl();
 718
 719                         bool walking = false;
 720                         if (controls.up || controls.down || controls.left || controls.right ||
 721                                         controls.forw_move_joystick_axis != 0.f ||
 722                                         controls.sidew_move_joystick_axis != 0.f)
 723                                 walking = true;
 724
 725                         f32 new_speed = player->local_animation_speed;
 726                         v2s32 new_anim = v2s32(0,0);
 727                         bool allow_update = false;
 728
 729                         // increase speed if using fast or flying fast
 730                         if((g_settings->getBool("fast_move") &&
 731                                         m_client->checkLocalPrivilege("fast")) &&
 732                                         (controls.aux1 ||
 733                                         (!player->touching_ground &&
 734                                         g_settings->getBool("free_move") &&
 735                                         m_client->checkLocalPrivilege("fly"))))
 736                                         new_speed *= 1.5;
 737                         // slowdown speed if sneeking
 738                         if (controls.sneak && walking)
 739                                 new_speed /= 2;
 740
 741                         if (walking && (controls.LMB || controls.RMB)) {
 742                                 new_anim = player->local_animations[3];
 743                                 player->last_animation = WD_ANIM;
 744                         } else if(walking) {
 745                                 new_anim = player->local_animations[1];
 746                                 player->last_animation = WALK_ANIM;
 747                         } else if(controls.LMB || controls.RMB) {
 748                                 new_anim = player->local_animations[2];
 749                                 player->last_animation = DIG_ANIM;
 750                         }
 751
 752                         // Apply animations if input detected and not attached
 753                         // or set idle animation
 754                         if ((new_anim.X + new_anim.Y) > 0 && !player->isAttached) {
 755                                 allow_update = true;
 756                                 m_animation_range = new_anim;
 757                                 m_animation_speed = new_speed;
 758                                 player->last_animation_speed = m_animation_speed;
 759                         } else {
 760                                 player->last_animation = NO_ANIM;
 761
 762                                 if (old_anim != NO_ANIM) {
 763                                         m_animation_range = player->local_animations[0];
 764                                         updateAnimation();
 765                                 }
 766                         }
 767
 768                         // Update local player animations
 769                         if ((player->last_animation != old_anim ||
 770                                 m_animation_speed != old_anim_speed) &&
 771                                 player->last_animation != NO_ANIM && allow_update)
 772                                         updateAnimation();
 773
 774                 }
 775         }
 776
 777         if (m_visuals_expired && m_smgr) {
 778                 m_visuals_expired = false;
 779
 780                 // Attachments, part 1: All attached objects must be unparented first,
 781                 // or Irrlicht causes a segmentation fault
 782                 for (auto ci = m_children.begin(); ci != m_children.end();) {
 783                         if (m_env->attachement_parent_ids[*ci] != getId()) {
 784                                 ci = m_children.erase(ci);
 785                                 continue;
 786                         }
 787                         ClientActiveObject *obj = m_env->getActiveObject(*ci);
 788                         if (obj) {
 789                                 scene::ISceneNode *child_node = obj->getSceneNode();
 790                                 if (child_node)
 791                                         child_node->setParent(m_smgr->getRootSceneNode());
 792                         }
 793                         ++ci;
 794                 }
 795
 796                 removeFromScene(false);
 797                 addToScene(m_client->tsrc());
 798
 799                 // Attachments, part 2: Now that the parent has been refreshed, put its attachments back
 800                 for (u16 cao_id : m_children) {
 801                         // Get the object of the child
 802                         ClientActiveObject *obj = m_env->getActiveObject(cao_id);
 803                         if (obj)
 804                                 obj->setAttachments();
 805                 }
 806         }
 807
 808         // Make sure m_is_visible is always applied
 809         scene::ISceneNode *node = getSceneNode();
 810         if (node)
 811                 node->setVisible(m_is_visible);
 812
 813         if(getParent() != NULL) // Attachments should be glued to their parent by Irrlicht
 814         {
 815                 // Set these for later
 816                 m_position = getPosition();
 817                 m_velocity = v3f(0,0,0);
 818                 m_acceleration = v3f(0,0,0);
 819                 pos_translator.vect_show = m_position;
 820
 821                 if(m_is_local_player) // Update local player attachment position
 822                 {
 823                         LocalPlayer *player = m_env->getLocalPlayer();
 824                         player->overridePosition = getParent()->getPosition();
 825                         m_env->getLocalPlayer()->parent = getParent();
 826                 }
 827         } else {
 828                 v3f lastpos = pos_translator.vect_show;
 829
 830                 if(m_prop.physical)
 831                 {
 832                         aabb3f box = m_prop.collisionbox;
 833                         box.MinEdge *= BS;
 834                         box.MaxEdge *= BS;
 835                         collisionMoveResult moveresult;
 836                         f32 pos_max_d = BS*0.125; // Distance per iteration
 837                         v3f p_pos = m_position;
 838                         v3f p_velocity = m_velocity;
 839                         moveresult = collisionMoveSimple(env,env->getGameDef(),
 840                                         pos_max_d, box, m_prop.stepheight, dtime,
 841                                         &p_pos, &p_velocity, m_acceleration,
 842                                         this, m_prop.collideWithObjects);
 843                         // Apply results
 844                         m_position = p_pos;
 845                         m_velocity = p_velocity;
 846
 847                         bool is_end_position = moveresult.collides;
 848                         pos_translator.update(m_position, is_end_position, dtime);
 849                         pos_translator.translate(dtime);
 850                         updateNodePos();
 851                 } else {
 852                         m_position += dtime * m_velocity + 0.5 * dtime * dtime * m_acceleration;
 853                         m_velocity += dtime * m_acceleration;
 854                         pos_translator.update(m_position, pos_translator.aim_is_end,
 855                                         pos_translator.anim_time);
 856                         pos_translator.translate(dtime);
 857                         updateNodePos();
 858                 }
 859
 860                 float moved = lastpos.getDistanceFrom(pos_translator.vect_show);
 861                 m_step_distance_counter += moved;
 862                 if(m_step_distance_counter > 1.5*BS)
 863                 {
 864                         m_step_distance_counter = 0;
 865                         if(!m_is_local_player && m_prop.makes_footstep_sound)
 866                         {
 867                                 INodeDefManager *ndef = m_client->ndef();
 868                                 v3s16 p = floatToInt(getPosition() + v3f(0,
 869                                                 (m_prop.collisionbox.MinEdge.Y-0.5)*BS, 0), BS);
 870                                 MapNode n = m_env->getMap().getNodeNoEx(p);
 871                                 SimpleSoundSpec spec = ndef->get(n).sound_footstep;
 872                                 m_client->sound()->playSoundAt(spec, false, getPosition());
 873                         }
 874                 }
 875         }
 876
 877         m_anim_timer += dtime;
 878         if(m_anim_timer >= m_anim_framelength)
 879         {
 880                 m_anim_timer -= m_anim_framelength;
 881                 m_anim_frame++;
 882                 if(m_anim_frame >= m_anim_num_frames)
 883                         m_anim_frame = 0;
 884         }
 885
 886         updateTexturePos();
 887
 888         if(m_reset_textures_timer >= 0)
 889         {
 890                 m_reset_textures_timer -= dtime;
 891                 if(m_reset_textures_timer <= 0) {
 892                         m_reset_textures_timer = -1;
 893                         updateTextures(m_previous_texture_modifier);
 894                 }
 895         }
 896         if(!getParent() && fabs(m_prop.automatic_rotate) > 0.001)
 897         {
 898                 m_yaw += dtime * m_prop.automatic_rotate * 180 / M_PI;
 899                 updateNodePos();
 900         }
 901
 902         if (!getParent() && m_prop.automatic_face_movement_dir &&
 903                         (fabs(m_velocity.Z) > 0.001 || fabs(m_velocity.X) > 0.001))
 904         {
 905                 float optimal_yaw = atan2(m_velocity.Z,m_velocity.X) * 180 / M_PI
 906                                 + m_prop.automatic_face_movement_dir_offset;
 907                 float max_rotation_delta =
 908                                 dtime * m_prop.automatic_face_movement_max_rotation_per_sec;
 909
 910                 if ((m_prop.automatic_face_movement_max_rotation_per_sec > 0) &&
 911                         (fabs(m_yaw - optimal_yaw) > max_rotation_delta)) {
 912
 913                         m_yaw = optimal_yaw < m_yaw ? m_yaw - max_rotation_delta : m_yaw + max_rotation_delta;
 914                 } else {
 915                         m_yaw = optimal_yaw;
 916                 }
 917                 updateNodePos();
 918         }
 919 }
 920
 921 void GenericCAO::updateTexturePos()
 922 {
 923         if(m_spritenode)
 924         {
 925                 scene::ICameraSceneNode* camera =
 926                                 m_spritenode->getSceneManager()->getActiveCamera();
 927                 if(!camera)
 928                         return;
 929                 v3f cam_to_entity = m_spritenode->getAbsolutePosition()
 930                                 - camera->getAbsolutePosition();
 931                 cam_to_entity.normalize();
 932
 933                 int row = m_tx_basepos.Y;
 934                 int col = m_tx_basepos.X;
 935
 936                 if(m_tx_select_horiz_by_yawpitch)
 937                 {
 938                         if(cam_to_entity.Y > 0.75)
 939                                 col += 5;
 940                         else if(cam_to_entity.Y < -0.75)
 941                                 col += 4;
 942                         else{
 943                                 float mob_dir =
 944                                                 atan2(cam_to_entity.Z, cam_to_entity.X) / M_PI * 180.;
 945                                 float dir = mob_dir - m_yaw;
 946                                 dir = wrapDegrees_180(dir);
 947                                 //infostream<<"id="<<m_id<<" dir="<<dir<<std::endl;
 948                                 if(fabs(wrapDegrees_180(dir - 0)) <= 45.1)
 949                                         col += 2;
 950                                 else if(fabs(wrapDegrees_180(dir - 90)) <= 45.1)
 951                                         col += 3;
 952                                 else if(fabs(wrapDegrees_180(dir - 180)) <= 45.1)
 953                                         col += 0;
 954                                 else if(fabs(wrapDegrees_180(dir + 90)) <= 45.1)
 955                                         col += 1;
 956                                 else
 957                                         col += 4;
 958                         }
 959                 }
 960
 961                 // Animation goes downwards
 962                 row += m_anim_frame;
 963
 964                 float txs = m_tx_size.X;
 965                 float tys = m_tx_size.Y;
 966                 setBillboardTextureMatrix(m_spritenode,
 967                                 txs, tys, col, row);
 968         }
 969 }
 970
 971 void GenericCAO::updateTextures(std::string mod)
 972 {
 973         ITextureSource *tsrc = m_client->tsrc();
 974
 975         bool use_trilinear_filter = g_settings->getBool("trilinear_filter");
 976         bool use_bilinear_filter = g_settings->getBool("bilinear_filter");
 977         bool use_anisotropic_filter = g_settings->getBool("anisotropic_filter");
 978
 979         m_previous_texture_modifier = m_current_texture_modifier;
 980         m_current_texture_modifier = mod;
 981
 982         if (m_spritenode) {
 983                 if (m_prop.visual == "sprite") {
 984                         std::string texturestring = "unknown_node.png";
 985                         if (!m_prop.textures.empty())
 986                                 texturestring = m_prop.textures[0];
 987                         texturestring += mod;
 988                         m_spritenode->setMaterialTexture(0,
 989                                         tsrc->getTextureForMesh(texturestring));
 990
 991                         // This allows setting per-material colors. However, until a real lighting
 992                         // system is added, the code below will have no effect. Once MineTest
 993                         // has directional lighting, it should work automatically.
 994                         if (!m_prop.colors.empty()) {
 995                                 m_spritenode->getMaterial(0).AmbientColor = m_prop.colors[0];
 996                                 m_spritenode->getMaterial(0).DiffuseColor = m_prop.colors[0];
 997                                 m_spritenode->getMaterial(0).SpecularColor = m_prop.colors[0];
 998                         }
 999
1000                         m_spritenode->getMaterial(0).setFlag(video::EMF_TRILINEAR_FILTER, use_trilinear_filter);
1001                         m_spritenode->getMaterial(0).setFlag(video::EMF_BILINEAR_FILTER, use_bilinear_filter);
1002                         m_spritenode->getMaterial(0).setFlag(video::EMF_ANISOTROPIC_FILTER, use_anisotropic_filter);
1003                 }
1004         }
1005
1006         if (m_animated_meshnode) {
1007                 if (m_prop.visual == "mesh") {
1008                         for (u32 i = 0; i < m_prop.textures.size() &&
1009                                         i < m_animated_meshnode->getMaterialCount(); ++i) {
1010                                 std::string texturestring = m_prop.textures[i];
1011                                 if (texturestring.empty())
1012                                         continue; // Empty texture string means don't modify that material
1013                                 texturestring += mod;
1014                                 video::ITexture* texture = tsrc->getTextureForMesh(texturestring);
1015                                 if (!texture) {
1016                                         errorstream<<"GenericCAO::updateTextures(): Could not load texture "<<texturestring<<std::endl;
1017                                         continue;
1018                                 }
1019
1020                                 // Set material flags and texture
1021                                 video::SMaterial& material = m_animated_meshnode->getMaterial(i);
1022                                 material.TextureLayer[0].Texture = texture;
1023                                 material.setFlag(video::EMF_LIGHTING, false);
1024                                 material.setFlag(video::EMF_BILINEAR_FILTER, false);
1025
1026                                 m_animated_meshnode->getMaterial(i)
1027                                                 .setFlag(video::EMF_TRILINEAR_FILTER, use_trilinear_filter);
1028                                 m_animated_meshnode->getMaterial(i)
1029                                                 .setFlag(video::EMF_BILINEAR_FILTER, use_bilinear_filter);
1030                                 m_animated_meshnode->getMaterial(i)
1031                                                 .setFlag(video::EMF_ANISOTROPIC_FILTER, use_anisotropic_filter);
1032                         }
1033                         for (u32 i = 0; i < m_prop.colors.size() &&
1034                         i < m_animated_meshnode->getMaterialCount(); ++i)
1035                         {
1036                                 // This allows setting per-material colors. However, until a real lighting
1037                                 // system is added, the code below will have no effect. Once MineTest
1038                                 // has directional lighting, it should work automatically.
1039                                 m_animated_meshnode->getMaterial(i).AmbientColor = m_prop.colors[i];
1040                                 m_animated_meshnode->getMaterial(i).DiffuseColor = m_prop.colors[i];
1041                                 m_animated_meshnode->getMaterial(i).SpecularColor = m_prop.colors[i];
1042                         }
1043                 }
1044         }
1045         if(m_meshnode)
1046         {
1047                 if(m_prop.visual == "cube")
1048                 {
1049                         for (u32 i = 0; i < 6; ++i)
1050                         {
1051                                 std::string texturestring = "unknown_node.png";
1052                                 if(m_prop.textures.size() > i)
1053                                         texturestring = m_prop.textures[i];
1054                                 texturestring += mod;
1055
1056
1057                                 // Set material flags and texture
1058                                 video::SMaterial& material = m_meshnode->getMaterial(i);
1059                                 material.setFlag(video::EMF_LIGHTING, false);
1060                                 material.setFlag(video::EMF_BILINEAR_FILTER, false);
1061                                 material.setTexture(0,
1062                                                 tsrc->getTextureForMesh(texturestring));
1063                                 material.getTextureMatrix(0).makeIdentity();
1064
1065                                 // This allows setting per-material colors. However, until a real lighting
1066                                 // system is added, the code below will have no effect. Once MineTest
1067                                 // has directional lighting, it should work automatically.
1068                                 if(m_prop.colors.size() > i)
1069                                 {
1070                                         m_meshnode->getMaterial(i).AmbientColor = m_prop.colors[i];
1071                                         m_meshnode->getMaterial(i).DiffuseColor = m_prop.colors[i];
1072                                         m_meshnode->getMaterial(i).SpecularColor = m_prop.colors[i];
1073                                 }
1074
1075                                 m_meshnode->getMaterial(i).setFlag(video::EMF_TRILINEAR_FILTER, use_trilinear_filter);
1076                                 m_meshnode->getMaterial(i).setFlag(video::EMF_BILINEAR_FILTER, use_bilinear_filter);
1077                                 m_meshnode->getMaterial(i).setFlag(video::EMF_ANISOTROPIC_FILTER, use_anisotropic_filter);
1078                         }
1079                 } else if (m_prop.visual == "upright_sprite") {
1080                         scene::IMesh *mesh = m_meshnode->getMesh();
1081                         {
1082                                 std::string tname = "unknown_object.png";
1083                                 if (!m_prop.textures.empty())
1084                                         tname = m_prop.textures[0];
1085                                 tname += mod;
1086                                 scene::IMeshBuffer *buf = mesh->getMeshBuffer(0);
1087                                 buf->getMaterial().setTexture(0,
1088                                                 tsrc->getTextureForMesh(tname));
1089
1090                                 // This allows setting per-material colors. However, until a real lighting
1091                                 // system is added, the code below will have no effect. Once MineTest
1092                                 // has directional lighting, it should work automatically.
1093                                 if(!m_prop.colors.empty()) {
1094                                         buf->getMaterial().AmbientColor = m_prop.colors[0];
1095                                         buf->getMaterial().DiffuseColor = m_prop.colors[0];
1096                                         buf->getMaterial().SpecularColor = m_prop.colors[0];
1097                                 }
1098
1099                                 buf->getMaterial().setFlag(video::EMF_TRILINEAR_FILTER, use_trilinear_filter);
1100                                 buf->getMaterial().setFlag(video::EMF_BILINEAR_FILTER, use_bilinear_filter);
1101                                 buf->getMaterial().setFlag(video::EMF_ANISOTROPIC_FILTER, use_anisotropic_filter);
1102                         }
1103                         {
1104                                 std::string tname = "unknown_object.png";
1105                                 if (m_prop.textures.size() >= 2)
1106                                         tname = m_prop.textures[1];
1107                                 else if (!m_prop.textures.empty())
1108                                         tname = m_prop.textures[0];
1109                                 tname += mod;
1110                                 scene::IMeshBuffer *buf = mesh->getMeshBuffer(1);
1111                                 buf->getMaterial().setTexture(0,
1112                                                 tsrc->getTextureForMesh(tname));
1113
1114                                 // This allows setting per-material colors. However, until a real lighting
1115                                 // system is added, the code below will have no effect. Once MineTest
1116                                 // has directional lighting, it should work automatically.
1117                                 if (m_prop.colors.size() >= 2) {
1118                                         buf->getMaterial().AmbientColor = m_prop.colors[1];
1119                                         buf->getMaterial().DiffuseColor = m_prop.colors[1];
1120                                         buf->getMaterial().SpecularColor = m_prop.colors[1];
1121                                 } else if (!m_prop.colors.empty()) {
1122                                         buf->getMaterial().AmbientColor = m_prop.colors[0];
1123                                         buf->getMaterial().DiffuseColor = m_prop.colors[0];
1124                                         buf->getMaterial().SpecularColor = m_prop.colors[0];
1125                                 }
1126
1127                                 buf->getMaterial().setFlag(video::EMF_TRILINEAR_FILTER, use_trilinear_filter);
1128                                 buf->getMaterial().setFlag(video::EMF_BILINEAR_FILTER, use_bilinear_filter);
1129                                 buf->getMaterial().setFlag(video::EMF_ANISOTROPIC_FILTER, use_anisotropic_filter);
1130                         }
1131                 }
1132         }
1133 }
1134
1135 void GenericCAO::updateAnimation()
1136 {
1137         if (!m_animated_meshnode)
1138                 return;
1139
1140         if (m_animated_meshnode->getStartFrame() != m_animation_range.X ||
1141                 m_animated_meshnode->getEndFrame() != m_animation_range.Y)
1142                         m_animated_meshnode->setFrameLoop(m_animation_range.X, m_animation_range.Y);
1143         if (m_animated_meshnode->getAnimationSpeed() != m_animation_speed)
1144                 m_animated_meshnode->setAnimationSpeed(m_animation_speed);
1145         m_animated_meshnode->setTransitionTime(m_animation_blend);
1146 // Requires Irrlicht 1.8 or greater
1147 #if (IRRLICHT_VERSION_MAJOR == 1 && IRRLICHT_VERSION_MINOR >= 8) || IRRLICHT_VERSION_MAJOR > 1
1148         if (m_animated_meshnode->getLoopMode() != m_animation_loop)
1149                 m_animated_meshnode->setLoopMode(m_animation_loop);
1150 #endif
1151 }
1152
1153 void GenericCAO::updateAnimationSpeed()
1154 {
1155         if (!m_animated_meshnode)
1156                 return;
1157
1158         m_animated_meshnode->setAnimationSpeed(m_animation_speed);
1159 }
1160
1161 void GenericCAO::updateBonePosition()
1162 {
1163         if (m_bone_position.empty() || !m_animated_meshnode)
1164                 return;
1165
1166         m_animated_meshnode->setJointMode(irr::scene::EJUOR_CONTROL); // To write positions to the mesh on render
1167         for(std::unordered_map<std::string, core::vector2d<v3f>>::const_iterator
1168                         ii = m_bone_position.begin(); ii != m_bone_position.end(); ++ii) {
1169                 std::string bone_name = (*ii).first;
1170                 v3f bone_pos = (*ii).second.X;
1171                 v3f bone_rot = (*ii).second.Y;
1172                 irr::scene::IBoneSceneNode* bone = m_animated_meshnode->getJointNode(bone_name.c_str());
1173                 if(bone)
1174                 {
1175                         bone->setPosition(bone_pos);
1176                         bone->setRotation(bone_rot);
1177                 }
1178         }
1179 }
1180
1181 void GenericCAO::updateAttachments()
1182 {
1183
1184         if (!getParent()) { // Detach or don't attach
1185                 scene::ISceneNode *node = getSceneNode();
1186                 if (node) {
1187                         v3f old_position = node->getAbsolutePosition();
1188                         v3f old_rotation = node->getRotation();
1189                         node->setParent(m_smgr->getRootSceneNode());
1190                         node->setPosition(old_position);
1191                         node->setRotation(old_rotation);
1192                         node->updateAbsolutePosition();
1193                 }
1194                 if (m_is_local_player) {
1195                         LocalPlayer *player = m_env->getLocalPlayer();
1196                         player->isAttached = false;
1197                 }
1198         }
1199         else // Attach
1200         {
1201                 scene::ISceneNode *my_node = getSceneNode();
1202
1203                 scene::ISceneNode *parent_node = getParent()->getSceneNode();
1204                 scene::IAnimatedMeshSceneNode *parent_animated_mesh_node =
1205                                 getParent()->getAnimatedMeshSceneNode();
1206                 if (parent_animated_mesh_node && !m_attachment_bone.empty()) {
1207                         parent_node = parent_animated_mesh_node->getJointNode(m_attachment_bone.c_str());
1208                 }
1209
1210                 if (my_node && parent_node) {
1211                         my_node->setParent(parent_node);
1212                         my_node->setPosition(m_attachment_position);
1213                         my_node->setRotation(m_attachment_rotation);
1214                         my_node->updateAbsolutePosition();
1215                 }
1216                 if (m_is_local_player) {
1217                         LocalPlayer *player = m_env->getLocalPlayer();
1218                         player->isAttached = true;
1219                 }
1220         }
1221 }
1222
1223 void GenericCAO::processMessage(const std::string &data)
1224 {
1225         //infostream<<"GenericCAO: Got message"<<std::endl;
1226         std::istringstream is(data, std::ios::binary);
1227         // command
1228         u8 cmd = readU8(is);
1229         if (cmd == GENERIC_CMD_SET_PROPERTIES) {
1230                 m_prop = gob_read_set_properties(is);
1231
1232                 m_selection_box = m_prop.selectionbox;
1233                 m_selection_box.MinEdge *= BS;
1234                 m_selection_box.MaxEdge *= BS;
1235
1236                 m_tx_size.X = 1.0 / m_prop.spritediv.X;
1237                 m_tx_size.Y = 1.0 / m_prop.spritediv.Y;
1238
1239                 if(!m_initial_tx_basepos_set){
1240                         m_initial_tx_basepos_set = true;
1241                         m_tx_basepos = m_prop.initial_sprite_basepos;
1242                 }
1243                 if (m_is_local_player) {
1244                         LocalPlayer *player = m_env->getLocalPlayer();
1245                         player->makes_footstep_sound = m_prop.makes_footstep_sound;
1246                         aabb3f collision_box = m_prop.collisionbox;
1247                         collision_box.MinEdge *= BS;
1248                         collision_box.MaxEdge *= BS;
1249                         player->setCollisionbox(collision_box);
1250                         player->setCanZoom(m_prop.can_zoom);
1251                 }
1252
1253                 if ((m_is_player && !m_is_local_player) && m_prop.nametag.empty())
1254                         m_prop.nametag = m_name;
1255
1256                 expireVisuals();
1257         } else if (cmd == GENERIC_CMD_UPDATE_POSITION) {
1258                 // Not sent by the server if this object is an attachment.
1259                 // We might however get here if the server notices the object being detached before the client.
1260                 m_position = readV3F1000(is);
1261                 m_velocity = readV3F1000(is);
1262                 m_acceleration = readV3F1000(is);
1263                 if(fabs(m_prop.automatic_rotate) < 0.001)
1264                         m_yaw = readF1000(is);
1265                 else
1266                         readF1000(is);
1267                 bool do_interpolate = readU8(is);
1268                 bool is_end_position = readU8(is);
1269                 float update_interval = readF1000(is);
1270
1271                 // Place us a bit higher if we're physical, to not sink into
1272                 // the ground due to sucky collision detection...
1273                 if(m_prop.physical)
1274                         m_position += v3f(0,0.002,0);
1275
1276                 if(getParent() != NULL) // Just in case
1277                         return;
1278
1279                 if(do_interpolate)
1280                 {
1281                         if(!m_prop.physical)
1282                                 pos_translator.update(m_position, is_end_position, update_interval);
1283                 } else {
1284                         pos_translator.init(m_position);
1285                 }
1286                 updateNodePos();
1287         } else if (cmd == GENERIC_CMD_SET_TEXTURE_MOD) {
1288                 std::string mod = deSerializeString(is);
1289
1290                 // immediatly reset a engine issued texture modifier if a mod sends a different one
1291                 if (m_reset_textures_timer > 0) {
1292                         m_reset_textures_timer = -1;
1293                         updateTextures(m_previous_texture_modifier);
1294                 }
1295                 updateTextures(mod);
1296         } else if (cmd == GENERIC_CMD_SET_SPRITE) {
1297                 v2s16 p = readV2S16(is);
1298                 int num_frames = readU16(is);
1299                 float framelength = readF1000(is);
1300                 bool select_horiz_by_yawpitch = readU8(is);
1301
1302                 m_tx_basepos = p;
1303                 m_anim_num_frames = num_frames;
1304                 m_anim_framelength = framelength;
1305                 m_tx_select_horiz_by_yawpitch = select_horiz_by_yawpitch;
1306
1307                 updateTexturePos();
1308         } else if (cmd == GENERIC_CMD_SET_PHYSICS_OVERRIDE) {
1309                 float override_speed = readF1000(is);
1310                 float override_jump = readF1000(is);
1311                 float override_gravity = readF1000(is);
1312                 // these are sent inverted so we get true when the server sends nothing
1313                 bool sneak = !readU8(is);
1314                 bool sneak_glitch = !readU8(is);
1315                 bool new_move = !readU8(is);
1316
1317
1318                 if(m_is_local_player)
1319                 {
1320                         LocalPlayer *player = m_env->getLocalPlayer();
1321                         player->physics_override_speed = override_speed;
1322                         player->physics_override_jump = override_jump;
1323                         player->physics_override_gravity = override_gravity;
1324                         player->physics_override_sneak = sneak;
1325                         player->physics_override_sneak_glitch = sneak_glitch;
1326                         player->physics_override_new_move = new_move;
1327                 }
1328         } else if (cmd == GENERIC_CMD_SET_ANIMATION) {
1329                 // TODO: change frames send as v2s32 value
1330                 v2f range = readV2F1000(is);
1331                 if (!m_is_local_player) {
1332                         m_animation_range = v2s32((s32)range.X, (s32)range.Y);
1333                         m_animation_speed = readF1000(is);
1334                         m_animation_blend = readF1000(is);
1335                         // these are sent inverted so we get true when the server sends nothing
1336                         m_animation_loop = !readU8(is);
1337                         updateAnimation();
1338                 } else {
1339                         LocalPlayer *player = m_env->getLocalPlayer();
1340                         if(player->last_animation == NO_ANIM)
1341                         {
1342                                 m_animation_range = v2s32((s32)range.X, (s32)range.Y);
1343                                 m_animation_speed = readF1000(is);
1344                                 m_animation_blend = readF1000(is);
1345                                 // these are sent inverted so we get true when the server sends nothing
1346                                 m_animation_loop = !readU8(is);
1347                         }
1348                         // update animation only if local animations present
1349                         // and received animation is unknown (except idle animation)
1350                         bool is_known = false;
1351                         for (int i = 1;i<4;i++)
1352                         {
1353                                 if(m_animation_range.Y == player->local_animations[i].Y)
1354                                         is_known = true;
1355                         }
1356                         if(!is_known ||
1357                                         (player->local_animations[1].Y + player->local_animations[2].Y < 1))
1358                         {
1359                                         updateAnimation();
1360                         }
1361                 }
1362         } else if (cmd == GENERIC_CMD_SET_ANIMATION_SPEED) {
1363                 m_animation_speed = readF1000(is);
1364                 updateAnimationSpeed();
1365         } else if (cmd == GENERIC_CMD_SET_BONE_POSITION) {
1366                 std::string bone = deSerializeString(is);
1367                 v3f position = readV3F1000(is);
1368                 v3f rotation = readV3F1000(is);
1369                 m_bone_position[bone] = core::vector2d<v3f>(position, rotation);
1370
1371                 updateBonePosition();
1372         } else if (cmd == GENERIC_CMD_ATTACH_TO) {
1373                 u16 parentID = readS16(is);
1374                 u16 oldparent = m_env->attachement_parent_ids[getId()];
1375                 if (oldparent) {
1376                         m_children.erase(std::remove(m_children.begin(), m_children.end(),
1377                                 getId()), m_children.end());
1378                 }
1379                 m_env->attachement_parent_ids[getId()] = parentID;
1380                 GenericCAO *parentobj = m_env->getGenericCAO(parentID);
1381
1382                 if (parentobj) {
1383                         parentobj->m_children.push_back(getId());
1384                 }
1385
1386                 m_attachment_bone = deSerializeString(is);
1387                 m_attachment_position = readV3F1000(is);
1388                 m_attachment_rotation = readV3F1000(is);
1389
1390                 // localplayer itself can't be attached to localplayer
1391                 if (!m_is_local_player) {
1392                         m_attached_to_local = getParent() != NULL && getParent()->isLocalPlayer();
1393                         // Objects attached to the local player should be hidden by default
1394                         m_is_visible = !m_attached_to_local;
1395                 }
1396
1397                 updateAttachments();
1398         } else if (cmd == GENERIC_CMD_PUNCHED) {
1399                 /*s16 damage =*/ readS16(is);
1400                 s16 result_hp = readS16(is);
1401
1402                 // Use this instead of the send damage to not interfere with prediction
1403                 s16 damage = m_hp - result_hp;
1404
1405                 m_hp = result_hp;
1406
1407                 if (damage > 0)
1408                 {
1409                         if (m_hp <= 0)
1410                         {
1411                                 // TODO: Execute defined fast response
1412                                 // As there is no definition, make a smoke puff
1413                                 ClientSimpleObject *simple = createSmokePuff(
1414                                                 m_smgr, m_env, m_position,
1415                                                 m_prop.visual_size * BS);
1416                                 m_env->addSimpleObject(simple);
1417                         } else if (m_reset_textures_timer < 0) {
1418                                 // TODO: Execute defined fast response
1419                                 // Flashing shall suffice as there is no definition
1420                                 m_reset_textures_timer = 0.05;
1421                                 if(damage >= 2)
1422                                         m_reset_textures_timer += 0.05 * damage;
1423                                 updateTextures(m_current_texture_modifier + "^[brighten");
1424                         }
1425                 }
1426         } else if (cmd == GENERIC_CMD_UPDATE_ARMOR_GROUPS) {
1427                 m_armor_groups.clear();
1428                 int armor_groups_size = readU16(is);
1429                 for(int i=0; i<armor_groups_size; i++)
1430                 {
1431                         std::string name = deSerializeString(is);
1432                         int rating = readS16(is);
1433                         m_armor_groups[name] = rating;
1434                 }
1435         } else if (cmd == GENERIC_CMD_UPDATE_NAMETAG_ATTRIBUTES) {
1436                 // Deprecated, for backwards compatibility only.
1437                 readU8(is); // version
1438                 m_prop.nametag_color = readARGB8(is);
1439                 if (m_nametag != NULL) {
1440                         m_nametag->nametag_color = m_prop.nametag_color;
1441                         v3f pos;
1442                         pos.Y = m_prop.collisionbox.MaxEdge.Y + 0.3f;
1443                         m_nametag->nametag_pos = pos;
1444                 }
1445         } else if (cmd == GENERIC_CMD_SPAWN_INFANT) {
1446                 u16 child_id = readU16(is);
1447                 u8 type = readU8(is);
1448
1449                 if (GenericCAO *childobj = m_env->getGenericCAO(child_id)) {
1450                         childobj->processInitData(deSerializeLongString(is));
1451                 } else {
1452                         m_env->addActiveObject(child_id, type, deSerializeLongString(is));
1453                 }
1454         } else {
1455                 warningstream << FUNCTION_NAME
1456                         << ": unknown command or outdated client \""
1457                         << +cmd << "\"" << std::endl;
1458         }
1459 }
1460
1461 /* \pre punchitem != NULL
1462  */
1463 bool GenericCAO::directReportPunch(v3f dir, const ItemStack *punchitem,
1464                 float time_from_last_punch)
1465 {
1466         assert(punchitem);      // pre-condition
1467         const ToolCapabilities *toolcap =
1468                         &punchitem->getToolCapabilities(m_client->idef());
1469         PunchDamageResult result = getPunchDamage(
1470                         m_armor_groups,
1471                         toolcap,
1472                         punchitem,
1473                         time_from_last_punch);
1474
1475         if(result.did_punch && result.damage != 0)
1476         {
1477                 if(result.damage < m_hp)
1478                 {
1479                         m_hp -= result.damage;
1480                 } else {
1481                         m_hp = 0;
1482                         // TODO: Execute defined fast response
1483                         // As there is no definition, make a smoke puff
1484                         ClientSimpleObject *simple = createSmokePuff(
1485                                         m_smgr, m_env, m_position,
1486                                         m_prop.visual_size * BS);
1487                         m_env->addSimpleObject(simple);
1488                 }
1489                 // TODO: Execute defined fast response
1490                 // Flashing shall suffice as there is no definition
1491                 if (m_reset_textures_timer < 0) {
1492                         m_reset_textures_timer = 0.05;
1493                         if (result.damage >= 2)
1494                                 m_reset_textures_timer += 0.05 * result.damage;
1495                         updateTextures(m_current_texture_modifier + "^[brighten");
1496                 }
1497         }
1498
1499         return false;
1500 }
1501
1502 std::string GenericCAO::debugInfoText()
1503 {
1504         std::ostringstream os(std::ios::binary);
1505         os<<"GenericCAO hp="<<m_hp<<"\n";
1506         os<<"armor={";
1507         for(ItemGroupList::const_iterator i = m_armor_groups.begin();
1508                         i != m_armor_groups.end(); ++i)
1509         {
1510                 os<<i->first<<"="<<i->second<<", ";
1511         }
1512         os<<"}";
1513         return os.str();
1514 }
1515
1516 // Prototype
1517 GenericCAO proto_GenericCAO(NULL, NULL);