src/client/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/sound.h"
  30 #include "client/tile.h"
  31 #include "environment.h"
  32 #include "collision.h"
  33 #include "settings.h"
  34 #include "serialization.h" // For decompressZlib
  35 #include "clientobject.h"
  36 #include "mesh.h"
  37 #include "itemdef.h"
  38 #include "tool.h"
  39 #include "content_cso.h"
  40 #include "sound.h"
  41 #include "nodedef.h"
  42 #include "localplayer.h"
  43 #include "map.h"
  44 #include "camera.h" // CameraModes
  45 #include "client.h"
  46 #include "wieldmesh.h"
  47 #include <algorithm>
  48 #include <cmath>
  49 #include "client/renderingengine.h"
  50
  51 class Settings;
  52 struct ToolCapabilities;
  53
  54 std::unordered_map<u16, ClientActiveObject::Factory> ClientActiveObject::m_types;
  55
  56 template<typename T>
  57 void SmoothTranslator<T>::init(T current)
  58 {
  59         val_old = current;
  60         val_current = current;
  61         val_target = current;
  62         anim_time = 0;
  63         anim_time_counter = 0;
  64         aim_is_end = true;
  65 }
  66
  67 template<typename T>
  68 void SmoothTranslator<T>::update(T new_target, bool is_end_position, float update_interval)
  69 {
  70         aim_is_end = is_end_position;
  71         val_old = val_current;
  72         val_target = new_target;
  73         if (update_interval > 0) {
  74                 anim_time = update_interval;
  75         } else {
  76                 if (anim_time < 0.001 || anim_time > 1.0)
  77                         anim_time = anim_time_counter;
  78                 else
  79                         anim_time = anim_time * 0.9 + anim_time_counter * 0.1;
  80         }
  81         anim_time_counter = 0;
  82 }
  83
  84 template<typename T>
  85 void SmoothTranslator<T>::translate(f32 dtime)
  86 {
  87         anim_time_counter = anim_time_counter + dtime;
  88         T val_diff = val_target - val_old;
  89         f32 moveratio = 1.0;
  90         if (anim_time > 0.001)
  91                 moveratio = anim_time_counter / anim_time;
  92         f32 move_end = aim_is_end ? 1.0 : 1.5;
  93
  94         // Move a bit less than should, to avoid oscillation
  95         moveratio = std::min(moveratio * 0.8f, move_end);
  96         val_current = val_old + val_diff * moveratio;
  97 }
  98
  99 void SmoothTranslatorWrapped::translate(f32 dtime)
 100 {
 101         anim_time_counter = anim_time_counter + dtime;
 102         f32 val_diff = std::abs(val_target - val_old);
 103         if (val_diff > 180.f)
 104                 val_diff = 360.f - val_diff;
 105
 106         f32 moveratio = 1.0;
 107         if (anim_time > 0.001)
 108                 moveratio = anim_time_counter / anim_time;
 109         f32 move_end = aim_is_end ? 1.0 : 1.5;
 110
 111         // Move a bit less than should, to avoid oscillation
 112         moveratio = std::min(moveratio * 0.8f, move_end);
 113         wrappedApproachShortest(val_current, val_target,
 114                 val_diff * moveratio, 360.f);
 115 }
 116
 117 void SmoothTranslatorWrappedv3f::translate(f32 dtime)
 118 {
 119         anim_time_counter = anim_time_counter + dtime;
 120
 121         v3f val_diff_v3f;
 122         val_diff_v3f.X = std::abs(val_target.X - val_old.X);
 123         val_diff_v3f.Y = std::abs(val_target.Y - val_old.Y);
 124         val_diff_v3f.Z = std::abs(val_target.Z - val_old.Z);
 125
 126         if (val_diff_v3f.X > 180.f)
 127                 val_diff_v3f.X = 360.f - val_diff_v3f.X;
 128
 129         if (val_diff_v3f.Y > 180.f)
 130                 val_diff_v3f.Y = 360.f - val_diff_v3f.Y;
 131
 132         if (val_diff_v3f.Z > 180.f)
 133                 val_diff_v3f.Z = 360.f - val_diff_v3f.Z;
 134
 135         f32 moveratio = 1.0;
 136         if (anim_time > 0.001)
 137                 moveratio = anim_time_counter / anim_time;
 138         f32 move_end = aim_is_end ? 1.0 : 1.5;
 139
 140         // Move a bit less than should, to avoid oscillation
 141         moveratio = std::min(moveratio * 0.8f, move_end);
 142         wrappedApproachShortest(val_current.X, val_target.X,
 143                 val_diff_v3f.X * moveratio, 360.f);
 144
 145         wrappedApproachShortest(val_current.Y, val_target.Y,
 146                 val_diff_v3f.Y * moveratio, 360.f);
 147
 148         wrappedApproachShortest(val_current.Z, val_target.Z,
 149                 val_diff_v3f.Z * moveratio, 360.f);
 150 }
 151
 152 /*
 153         Other stuff
 154 */
 155
 156 static void setBillboardTextureMatrix(scene::IBillboardSceneNode *bill,
 157                 float txs, float tys, int col, int row)
 158 {
 159         video::SMaterial& material = bill->getMaterial(0);
 160         core::matrix4& matrix = material.getTextureMatrix(0);
 161         matrix.setTextureTranslate(txs*col, tys*row);
 162         matrix.setTextureScale(txs, tys);
 163 }
 164
 165 /*
 166         TestCAO
 167 */
 168
 169 class TestCAO : public ClientActiveObject
 170 {
 171 public:
 172         TestCAO(Client *client, ClientEnvironment *env);
 173         virtual ~TestCAO() = default;
 174
 175         ActiveObjectType getType() const
 176         {
 177                 return ACTIVEOBJECT_TYPE_TEST;
 178         }
 179
 180         static ClientActiveObject* create(Client *client, ClientEnvironment *env);
 181
 182         void addToScene(ITextureSource *tsrc);
 183         void removeFromScene(bool permanent);
 184         void updateLight(u8 light_at_pos);
 185         v3s16 getLightPosition();
 186         void updateNodePos();
 187
 188         void step(float dtime, ClientEnvironment *env);
 189
 190         void processMessage(const std::string &data);
 191
 192         bool getCollisionBox(aabb3f *toset) const { return false; }
 193 private:
 194         scene::IMeshSceneNode *m_node;
 195         v3f m_position;
 196 };
 197
 198 // Prototype
 199 TestCAO proto_TestCAO(NULL, NULL);
 200
 201 TestCAO::TestCAO(Client *client, ClientEnvironment *env):
 202         ClientActiveObject(0, client, env),
 203         m_node(NULL),
 204         m_position(v3f(0,10*BS,0))
 205 {
 206         ClientActiveObject::registerType(getType(), create);
 207 }
 208
 209 ClientActiveObject* TestCAO::create(Client *client, ClientEnvironment *env)
 210 {
 211         return new TestCAO(client, env);
 212 }
 213
 214 void TestCAO::addToScene(ITextureSource *tsrc)
 215 {
 216         if(m_node != NULL)
 217                 return;
 218
 219         //video::IVideoDriver* driver = smgr->getVideoDriver();
 220
 221         scene::SMesh *mesh = new scene::SMesh();
 222         scene::IMeshBuffer *buf = new scene::SMeshBuffer();
 223         video::SColor c(255,255,255,255);
 224         video::S3DVertex vertices[4] =
 225         {
 226                 video::S3DVertex(-BS/2,-BS/4,0, 0,0,0, c, 0,1),
 227                 video::S3DVertex(BS/2,-BS/4,0, 0,0,0, c, 1,1),
 228                 video::S3DVertex(BS/2,BS/4,0, 0,0,0, c, 1,0),
 229                 video::S3DVertex(-BS/2,BS/4,0, 0,0,0, c, 0,0),
 230         };
 231         u16 indices[] = {0,1,2,2,3,0};
 232         buf->append(vertices, 4, indices, 6);
 233         // Set material
 234         buf->getMaterial().setFlag(video::EMF_LIGHTING, false);
 235         buf->getMaterial().setFlag(video::EMF_BACK_FACE_CULLING, false);
 236         buf->getMaterial().setTexture(0, tsrc->getTextureForMesh("rat.png"));
 237         buf->getMaterial().setFlag(video::EMF_BILINEAR_FILTER, false);
 238         buf->getMaterial().setFlag(video::EMF_FOG_ENABLE, true);
 239         buf->getMaterial().MaterialType = video::EMT_TRANSPARENT_ALPHA_CHANNEL;
 240         // Add to mesh
 241         mesh->addMeshBuffer(buf);
 242         buf->drop();
 243         m_node = RenderingEngine::get_scene_manager()->addMeshSceneNode(mesh, NULL);
 244         mesh->drop();
 245         updateNodePos();
 246 }
 247
 248 void TestCAO::removeFromScene(bool permanent)
 249 {
 250         if (!m_node)
 251                 return;
 252
 253         m_node->remove();
 254         m_node = NULL;
 255 }
 256
 257 void TestCAO::updateLight(u8 light_at_pos)
 258 {
 259 }
 260
 261 v3s16 TestCAO::getLightPosition()
 262 {
 263         return floatToInt(m_position, BS);
 264 }
 265
 266 void TestCAO::updateNodePos()
 267 {
 268         if (!m_node)
 269                 return;
 270
 271         m_node->setPosition(m_position);
 272         //m_node->setRotation(v3f(0, 45, 0));
 273 }
 274
 275 void TestCAO::step(float dtime, ClientEnvironment *env)
 276 {
 277         if(m_node)
 278         {
 279                 v3f rot = m_node->getRotation();
 280                 //infostream<<"dtime="<<dtime<<", rot.Y="<<rot.Y<<std::endl;
 281                 rot.Y += dtime * 180;
 282                 m_node->setRotation(rot);
 283         }
 284 }
 285
 286 void TestCAO::processMessage(const std::string &data)
 287 {
 288         infostream<<"TestCAO: Got data: "<<data<<std::endl;
 289         std::istringstream is(data, std::ios::binary);
 290         u16 cmd;
 291         is>>cmd;
 292         if(cmd == 0)
 293         {
 294                 v3f newpos;
 295                 is>>newpos.X;
 296                 is>>newpos.Y;
 297                 is>>newpos.Z;
 298                 m_position = newpos;
 299                 updateNodePos();
 300         }
 301 }
 302
 303 /*
 304         GenericCAO
 305 */
 306
 307 #include "genericobject.h"
 308
 309 GenericCAO::GenericCAO(Client *client, ClientEnvironment *env):
 310                 ClientActiveObject(0, client, env)
 311 {
 312         if (client == NULL) {
 313                 ClientActiveObject::registerType(getType(), create);
 314         } else {
 315                 m_client = client;
 316         }
 317 }
 318
 319 bool GenericCAO::getCollisionBox(aabb3f *toset) const
 320 {
 321         if (m_prop.physical)
 322         {
 323                 //update collision box
 324                 toset->MinEdge = m_prop.collisionbox.MinEdge * BS;
 325                 toset->MaxEdge = m_prop.collisionbox.MaxEdge * BS;
 326
 327                 toset->MinEdge += m_position;
 328                 toset->MaxEdge += m_position;
 329
 330                 return true;
 331         }
 332
 333         return false;
 334 }
 335
 336 bool GenericCAO::collideWithObjects() const
 337 {
 338         return m_prop.collideWithObjects;
 339 }
 340
 341 void GenericCAO::initialize(const std::string &data)
 342 {
 343         infostream<<"GenericCAO: Got init data"<<std::endl;
 344         processInitData(data);
 345
 346         if (m_is_player) {
 347                 // Check if it's the current player
 348                 LocalPlayer *player = m_env->getLocalPlayer();
 349                 if (player && strcmp(player->getName(), m_name.c_str()) == 0) {
 350                         m_is_local_player = true;
 351                         m_is_visible = false;
 352                         player->setCAO(this);
 353                 }
 354         }
 355 }
 356
 357 void GenericCAO::processInitData(const std::string &data)
 358 {
 359         std::istringstream is(data, std::ios::binary);
 360         int num_messages = 0;
 361         // version
 362         u8 version = readU8(is);
 363         // check version
 364         if (version == 1) { // In PROTOCOL_VERSION 14
 365                 m_name = deSerializeString(is);
 366                 m_is_player = readU8(is);
 367                 m_id = readU16(is);
 368                 m_position = readV3F1000(is);
 369                 m_rotation = readV3F1000(is);
 370                 m_hp = readS16(is);
 371                 num_messages = readU8(is);
 372         } else {
 373                 errorstream<<"GenericCAO: Unsupported init data version"
 374                                 <<std::endl;
 375                 return;
 376         }
 377
 378         for (int i = 0; i < num_messages; i++) {
 379                 std::string message = deSerializeLongString(is);
 380                 processMessage(message);
 381         }
 382
 383         m_rotation = wrapDegrees_0_360_v3f(m_rotation);
 384         pos_translator.init(m_position);
 385         rot_translator.init(m_rotation);
 386         updateNodePos();
 387 }
 388
 389 GenericCAO::~GenericCAO()
 390 {
 391         removeFromScene(true);
 392 }
 393
 394 bool GenericCAO::getSelectionBox(aabb3f *toset) const
 395 {
 396         if (!m_prop.is_visible || !m_is_visible || m_is_local_player
 397                         || !m_prop.pointable) {
 398                 return false;
 399         }
 400         *toset = m_selection_box;
 401         return true;
 402 }
 403
 404 v3f GenericCAO::getPosition()
 405 {
 406         if (getParent() != NULL) {
 407                 scene::ISceneNode *node = getSceneNode();
 408                 if (node)
 409                         return node->getAbsolutePosition();
 410
 411                 return m_position;
 412         }
 413         return pos_translator.val_current;
 414 }
 415
 416 const bool GenericCAO::isImmortal()
 417 {
 418         return itemgroup_get(getGroups(), "immortal");
 419 }
 420
 421 scene::ISceneNode* GenericCAO::getSceneNode()
 422 {
 423         if (m_meshnode) {
 424                 return m_meshnode;
 425         }
 426
 427         if (m_animated_meshnode) {
 428                 return m_animated_meshnode;
 429         }
 430
 431         if (m_wield_meshnode) {
 432                 return m_wield_meshnode;
 433         }
 434
 435         if (m_spritenode) {
 436                 return m_spritenode;
 437         }
 438         return NULL;
 439 }
 440
 441 scene::IAnimatedMeshSceneNode* GenericCAO::getAnimatedMeshSceneNode()
 442 {
 443         return m_animated_meshnode;
 444 }
 445
 446 void GenericCAO::setChildrenVisible(bool toset)
 447 {
 448         for (u16 cao_id : m_children) {
 449                 GenericCAO *obj = m_env->getGenericCAO(cao_id);
 450                 if (obj) {
 451                         obj->setVisible(toset);
 452                 }
 453         }
 454 }
 455
 456 void GenericCAO::setAttachments()
 457 {
 458         updateAttachments();
 459 }
 460
 461 ClientActiveObject* GenericCAO::getParent() const
 462 {
 463         ClientActiveObject *obj = NULL;
 464
 465         u16 attached_id = m_env->attachement_parent_ids[getId()];
 466
 467         if ((attached_id != 0) &&
 468                         (attached_id != getId())) {
 469                 obj = m_env->getActiveObject(attached_id);
 470         }
 471         return obj;
 472 }
 473
 474 void GenericCAO::removeFromScene(bool permanent)
 475 {
 476         // Should be true when removing the object permanently and false when refreshing (eg: updating visuals)
 477         if((m_env != NULL) && (permanent))
 478         {
 479                 for (u16 ci : m_children) {
 480                         if (m_env->attachement_parent_ids[ci] == getId()) {
 481                                 m_env->attachement_parent_ids[ci] = 0;
 482                         }
 483                 }
 484                 m_children.clear();
 485
 486                 m_env->attachement_parent_ids[getId()] = 0;
 487
 488                 LocalPlayer* player = m_env->getLocalPlayer();
 489                 if (this == player->parent) {
 490                         player->parent = NULL;
 491                         player->isAttached = false;
 492                 }
 493         }
 494
 495         if (m_meshnode) {
 496                 m_meshnode->remove();
 497                 m_meshnode->drop();
 498                 m_meshnode = NULL;
 499         } else if (m_animated_meshnode) {
 500                 m_animated_meshnode->remove();
 501                 m_animated_meshnode->drop();
 502                 m_animated_meshnode = NULL;
 503         } else if (m_wield_meshnode) {
 504                 m_wield_meshnode->remove();
 505                 m_wield_meshnode->drop();
 506                 m_wield_meshnode = NULL;
 507         } else if (m_spritenode) {
 508                 m_spritenode->remove();
 509                 m_spritenode->drop();
 510                 m_spritenode = NULL;
 511         }
 512
 513         if (m_nametag) {
 514                 m_client->getCamera()->removeNametag(m_nametag);
 515                 m_nametag = NULL;
 516         }
 517 }
 518
 519 void GenericCAO::addToScene(ITextureSource *tsrc)
 520 {
 521         m_smgr = RenderingEngine::get_scene_manager();
 522
 523         if (getSceneNode() != NULL) {
 524                 return;
 525         }
 526
 527         m_visuals_expired = false;
 528
 529         if (!m_prop.is_visible) {
 530                 return;
 531         }
 532
 533         video::E_MATERIAL_TYPE material_type = (m_prop.use_texture_alpha) ?
 534                 video::EMT_TRANSPARENT_ALPHA_CHANNEL : video::EMT_TRANSPARENT_ALPHA_CHANNEL_REF;
 535
 536         if (m_prop.visual == "sprite") {
 537                 infostream<<"GenericCAO::addToScene(): single_sprite"<<std::endl;
 538                 m_spritenode = RenderingEngine::get_scene_manager()->addBillboardSceneNode(
 539                                 NULL, v2f(1, 1), v3f(0,0,0), -1);
 540                 m_spritenode->grab();
 541                 m_spritenode->setMaterialTexture(0,
 542                                 tsrc->getTextureForMesh("unknown_node.png"));
 543                 m_spritenode->setMaterialFlag(video::EMF_LIGHTING, false);
 544                 m_spritenode->setMaterialFlag(video::EMF_BILINEAR_FILTER, false);
 545                 m_spritenode->setMaterialType(material_type);
 546                 m_spritenode->setMaterialFlag(video::EMF_FOG_ENABLE, true);
 547                 u8 li = m_last_light;
 548                 m_spritenode->setColor(video::SColor(255,li,li,li));
 549                 m_spritenode->setSize(m_prop.visual_size*BS);
 550                 {
 551                         const float txs = 1.0 / 1;
 552                         const float tys = 1.0 / 1;
 553                         setBillboardTextureMatrix(m_spritenode,
 554                                         txs, tys, 0, 0);
 555                 }
 556         } else if (m_prop.visual == "upright_sprite") {
 557                 scene::SMesh *mesh = new scene::SMesh();
 558                 double dx = BS * m_prop.visual_size.X / 2;
 559                 double dy = BS * m_prop.visual_size.Y / 2;
 560                 u8 li = m_last_light;
 561                 video::SColor c(255, li, li, li);
 562
 563                 { // Front
 564                         scene::IMeshBuffer *buf = new scene::SMeshBuffer();
 565                         video::S3DVertex vertices[4] = {
 566                                 video::S3DVertex(-dx, -dy, 0, 0,0,0, c, 1,1),
 567                                 video::S3DVertex( dx, -dy, 0, 0,0,0, c, 0,1),
 568                                 video::S3DVertex( dx,  dy, 0, 0,0,0, c, 0,0),
 569                                 video::S3DVertex(-dx,  dy, 0, 0,0,0, c, 1,0),
 570                         };
 571                         if (m_is_player) {
 572                                 // Move minimal Y position to 0 (feet position)
 573                                 for (video::S3DVertex &vertex : vertices)
 574                                         vertex.Pos.Y += dy;
 575                         }
 576                         u16 indices[] = {0,1,2,2,3,0};
 577                         buf->append(vertices, 4, indices, 6);
 578                         // Set material
 579                         buf->getMaterial().setFlag(video::EMF_LIGHTING, false);
 580                         buf->getMaterial().setFlag(video::EMF_BILINEAR_FILTER, false);
 581                         buf->getMaterial().setFlag(video::EMF_FOG_ENABLE, true);
 582                         buf->getMaterial().MaterialType = video::EMT_TRANSPARENT_ALPHA_CHANNEL;
 583                         // Add to mesh
 584                         mesh->addMeshBuffer(buf);
 585                         buf->drop();
 586                 }
 587                 { // Back
 588                         scene::IMeshBuffer *buf = new scene::SMeshBuffer();
 589                         video::S3DVertex vertices[4] = {
 590                                 video::S3DVertex( dx,-dy, 0, 0,0,0, c, 1,1),
 591                                 video::S3DVertex(-dx,-dy, 0, 0,0,0, c, 0,1),
 592                                 video::S3DVertex(-dx, dy, 0, 0,0,0, c, 0,0),
 593                                 video::S3DVertex( dx, dy, 0, 0,0,0, c, 1,0),
 594                         };
 595                         if (m_is_player) {
 596                                 // Move minimal Y position to 0 (feet position)
 597                                 for (video::S3DVertex &vertex : vertices)
 598                                         vertex.Pos.Y += dy;
 599                         }
 600                         u16 indices[] = {0,1,2,2,3,0};
 601                         buf->append(vertices, 4, indices, 6);
 602                         // Set material
 603                         buf->getMaterial().setFlag(video::EMF_LIGHTING, false);
 604                         buf->getMaterial().setFlag(video::EMF_BILINEAR_FILTER, false);
 605                         buf->getMaterial().setFlag(video::EMF_FOG_ENABLE, true);
 606                         buf->getMaterial().MaterialType = video::EMT_TRANSPARENT_ALPHA_CHANNEL_REF;
 607                         // Add to mesh
 608                         mesh->addMeshBuffer(buf);
 609                         buf->drop();
 610                 }
 611                 m_meshnode = RenderingEngine::get_scene_manager()->addMeshSceneNode(mesh, NULL);
 612                 m_meshnode->grab();
 613                 mesh->drop();
 614                 // Set it to use the materials of the meshbuffers directly.
 615                 // This is needed for changing the texture in the future
 616                 m_meshnode->setReadOnlyMaterials(true);
 617         }
 618         else if(m_prop.visual == "cube") {
 619                 infostream<<"GenericCAO::addToScene(): cube"<<std::endl;
 620                 scene::IMesh *mesh = createCubeMesh(v3f(BS,BS,BS));
 621                 m_meshnode = RenderingEngine::get_scene_manager()->addMeshSceneNode(mesh, NULL);
 622                 m_meshnode->grab();
 623                 mesh->drop();
 624
 625                 m_meshnode->setScale(v3f(m_prop.visual_size.X,
 626                                 m_prop.visual_size.Y,
 627                                 m_prop.visual_size.X));
 628                 u8 li = m_last_light;
 629                 setMeshColor(m_meshnode->getMesh(), video::SColor(255,li,li,li));
 630
 631                 m_meshnode->setMaterialFlag(video::EMF_LIGHTING, false);
 632                 m_meshnode->setMaterialFlag(video::EMF_BILINEAR_FILTER, false);
 633                 m_meshnode->setMaterialType(material_type);
 634                 m_meshnode->setMaterialFlag(video::EMF_FOG_ENABLE, true);
 635         }
 636         else if(m_prop.visual == "mesh") {
 637                 infostream<<"GenericCAO::addToScene(): mesh"<<std::endl;
 638                 scene::IAnimatedMesh *mesh = m_client->getMesh(m_prop.mesh, true);
 639                 if(mesh)
 640                 {
 641                         m_animated_meshnode = RenderingEngine::get_scene_manager()->
 642                                 addAnimatedMeshSceneNode(mesh, NULL);
 643                         m_animated_meshnode->grab();
 644                         mesh->drop(); // The scene node took hold of it
 645                         m_animated_meshnode->animateJoints(); // Needed for some animations
 646                         m_animated_meshnode->setScale(v3f(m_prop.visual_size.X,
 647                                         m_prop.visual_size.Y,
 648                                         m_prop.visual_size.X));
 649                         u8 li = m_last_light;
 650
 651                         // set vertex colors to ensure alpha is set
 652                         setMeshColor(m_animated_meshnode->getMesh(), video::SColor(255,li,li,li));
 653
 654                         setAnimatedMeshColor(m_animated_meshnode, video::SColor(255,li,li,li));
 655
 656                         m_animated_meshnode->setMaterialFlag(video::EMF_LIGHTING, true);
 657                         m_animated_meshnode->setMaterialFlag(video::EMF_BILINEAR_FILTER, false);
 658                         m_animated_meshnode->setMaterialType(material_type);
 659                         m_animated_meshnode->setMaterialFlag(video::EMF_FOG_ENABLE, true);
 660                         m_animated_meshnode->setMaterialFlag(video::EMF_BACK_FACE_CULLING,
 661                                 m_prop.backface_culling);
 662                 }
 663                 else
 664                         errorstream<<"GenericCAO::addToScene(): Could not load mesh "<<m_prop.mesh<<std::endl;
 665         } else if (m_prop.visual == "wielditem" || m_prop.visual == "item") {
 666                 ItemStack item;
 667                 infostream << "GenericCAO::addToScene(): wielditem" << std::endl;
 668                 if (m_prop.wield_item.empty()) {
 669                         // Old format, only textures are specified.
 670                         infostream << "textures: " << m_prop.textures.size() << std::endl;
 671                         if (!m_prop.textures.empty()) {
 672                                 infostream << "textures[0]: " << m_prop.textures[0]
 673                                         << std::endl;
 674                                 IItemDefManager *idef = m_client->idef();
 675                                 item = ItemStack(m_prop.textures[0], 1, 0, idef);
 676                         }
 677                 } else {
 678                         infostream << "serialized form: " << m_prop.wield_item << std::endl;
 679                         item.deSerialize(m_prop.wield_item, m_client->idef());
 680                 }
 681                 m_wield_meshnode = new WieldMeshSceneNode(
 682                         RenderingEngine::get_scene_manager(), -1);
 683                 m_wield_meshnode->setItem(item, m_client,
 684                         (m_prop.visual == "wielditem"));
 685
 686                 m_wield_meshnode->setScale(
 687                         v3f(m_prop.visual_size.X / 2, m_prop.visual_size.Y / 2,
 688                                 m_prop.visual_size.X / 2));
 689                 u8 li = m_last_light;
 690                 m_wield_meshnode->setColor(video::SColor(255, li, li, li));
 691         } else {
 692                 infostream<<"GenericCAO::addToScene(): \""<<m_prop.visual
 693                                 <<"\" not supported"<<std::endl;
 694         }
 695
 696         /* don't update while punch texture modifier is active */
 697         if (m_reset_textures_timer < 0)
 698                 updateTextures(m_current_texture_modifier);
 699
 700         scene::ISceneNode *node = getSceneNode();
 701         if (node && !m_prop.nametag.empty() && !m_is_local_player) {
 702                 // Add nametag
 703                 v3f pos;
 704                 pos.Y = m_prop.selectionbox.MaxEdge.Y + 0.3f;
 705                 m_nametag = m_client->getCamera()->addNametag(node,
 706                         m_prop.nametag, m_prop.nametag_color,
 707                         pos);
 708         }
 709
 710         updateNodePos();
 711         updateAnimation();
 712         updateBonePosition();
 713         updateAttachments();
 714 }
 715
 716 void GenericCAO::updateLight(u8 light_at_pos)
 717 {
 718         // Don't update light of attached one
 719         if (getParent() != NULL) {
 720                 return;
 721         }
 722
 723         updateLightNoCheck(light_at_pos);
 724
 725         // Update light of all children
 726         for (u16 i : m_children) {
 727                 ClientActiveObject *obj = m_env->getActiveObject(i);
 728                 if (obj) {
 729                         obj->updateLightNoCheck(light_at_pos);
 730                 }
 731         }
 732 }
 733
 734 void GenericCAO::updateLightNoCheck(u8 light_at_pos)
 735 {
 736         if (m_glow < 0)
 737                 return;
 738
 739         u8 li = decode_light(light_at_pos + m_glow);
 740         if (li != m_last_light) {
 741                 m_last_light = li;
 742                 video::SColor color(255,li,li,li);
 743                 if (m_meshnode) {
 744                         setMeshColor(m_meshnode->getMesh(), color);
 745                 } else if (m_animated_meshnode) {
 746                         setAnimatedMeshColor(m_animated_meshnode, color);
 747                 } else if (m_wield_meshnode) {
 748                         m_wield_meshnode->setColor(color);
 749                 } else if (m_spritenode) {
 750                         m_spritenode->setColor(color);
 751                 }
 752         }
 753 }
 754
 755 v3s16 GenericCAO::getLightPosition()
 756 {
 757         if (m_is_player)
 758                 return floatToInt(m_position + v3f(0, 0.5 * BS, 0), BS);
 759
 760         return floatToInt(m_position, BS);
 761 }
 762
 763 void GenericCAO::updateNodePos()
 764 {
 765         if (getParent() != NULL)
 766                 return;
 767
 768         scene::ISceneNode *node = getSceneNode();
 769
 770         if (node) {
 771                 v3s16 camera_offset = m_env->getCameraOffset();
 772                 node->setPosition(pos_translator.val_current - intToFloat(camera_offset, BS));
 773                 if (node != m_spritenode) { // rotate if not a sprite
 774                         v3f rot = m_is_local_player ? -m_rotation : -rot_translator.val_current;
 775                         node->setRotation(rot);
 776                 }
 777         }
 778 }
 779
 780 void GenericCAO::step(float dtime, ClientEnvironment *env)
 781 {
 782         // Handel model of local player instantly to prevent lags
 783         if (m_is_local_player) {
 784                 LocalPlayer *player = m_env->getLocalPlayer();
 785                 if (m_is_visible) {
 786                         int old_anim = player->last_animation;
 787                         float old_anim_speed = player->last_animation_speed;
 788                         m_position = player->getPosition();
 789                         m_rotation.Y = wrapDegrees_0_360(player->getYaw());
 790                         m_velocity = v3f(0,0,0);
 791                         m_acceleration = v3f(0,0,0);
 792                         pos_translator.val_current = m_position;
 793                         rot_translator.val_current = m_rotation;
 794                         const PlayerControl &controls = player->getPlayerControl();
 795
 796                         bool walking = false;
 797                         if (controls.up || controls.down || controls.left || controls.right ||
 798                                         controls.forw_move_joystick_axis != 0.f ||
 799                                         controls.sidew_move_joystick_axis != 0.f)
 800                                 walking = true;
 801
 802                         f32 new_speed = player->local_animation_speed;
 803                         v2s32 new_anim = v2s32(0,0);
 804                         bool allow_update = false;
 805
 806                         // increase speed if using fast or flying fast
 807                         if((g_settings->getBool("fast_move") &&
 808                                         m_client->checkLocalPrivilege("fast")) &&
 809                                         (controls.aux1 ||
 810                                         (!player->touching_ground &&
 811                                         g_settings->getBool("free_move") &&
 812                                         m_client->checkLocalPrivilege("fly"))))
 813                                         new_speed *= 1.5;
 814                         // slowdown speed if sneeking
 815                         if (controls.sneak && walking)
 816                                 new_speed /= 2;
 817
 818                         if (walking && (controls.LMB || controls.RMB)) {
 819                                 new_anim = player->local_animations[3];
 820                                 player->last_animation = WD_ANIM;
 821                         } else if(walking) {
 822                                 new_anim = player->local_animations[1];
 823                                 player->last_animation = WALK_ANIM;
 824                         } else if(controls.LMB || controls.RMB) {
 825                                 new_anim = player->local_animations[2];
 826                                 player->last_animation = DIG_ANIM;
 827                         }
 828
 829                         // Apply animations if input detected and not attached
 830                         // or set idle animation
 831                         if ((new_anim.X + new_anim.Y) > 0 && !player->isAttached) {
 832                                 allow_update = true;
 833                                 m_animation_range = new_anim;
 834                                 m_animation_speed = new_speed;
 835                                 player->last_animation_speed = m_animation_speed;
 836                         } else {
 837                                 player->last_animation = NO_ANIM;
 838
 839                                 if (old_anim != NO_ANIM) {
 840                                         m_animation_range = player->local_animations[0];
 841                                         updateAnimation();
 842                                 }
 843                         }
 844
 845                         // Update local player animations
 846                         if ((player->last_animation != old_anim ||
 847                                 m_animation_speed != old_anim_speed) &&
 848                                 player->last_animation != NO_ANIM && allow_update)
 849                                         updateAnimation();
 850
 851                 }
 852         }
 853
 854         if (m_visuals_expired && m_smgr) {
 855                 m_visuals_expired = false;
 856
 857                 // Attachments, part 1: All attached objects must be unparented first,
 858                 // or Irrlicht causes a segmentation fault
 859                 for (auto ci = m_children.begin(); ci != m_children.end();) {
 860                         if (m_env->attachement_parent_ids[*ci] != getId()) {
 861                                 ci = m_children.erase(ci);
 862                                 continue;
 863                         }
 864                         ClientActiveObject *obj = m_env->getActiveObject(*ci);
 865                         if (obj) {
 866                                 scene::ISceneNode *child_node = obj->getSceneNode();
 867                                 if (child_node)
 868                                         child_node->setParent(m_smgr->getRootSceneNode());
 869                         }
 870                         ++ci;
 871                 }
 872
 873                 removeFromScene(false);
 874                 addToScene(m_client->tsrc());
 875
 876                 // Attachments, part 2: Now that the parent has been refreshed, put its attachments back
 877                 for (u16 cao_id : m_children) {
 878                         // Get the object of the child
 879                         ClientActiveObject *obj = m_env->getActiveObject(cao_id);
 880                         if (obj)
 881                                 obj->setAttachments();
 882                 }
 883         }
 884
 885         // Make sure m_is_visible is always applied
 886         scene::ISceneNode *node = getSceneNode();
 887         if (node)
 888                 node->setVisible(m_is_visible);
 889
 890         if(getParent() != NULL) // Attachments should be glued to their parent by Irrlicht
 891         {
 892                 // Set these for later
 893                 m_position = getPosition();
 894                 m_velocity = v3f(0,0,0);
 895                 m_acceleration = v3f(0,0,0);
 896                 pos_translator.val_current = m_position;
 897
 898                 if(m_is_local_player) // Update local player attachment position
 899                 {
 900                         LocalPlayer *player = m_env->getLocalPlayer();
 901                         player->overridePosition = getParent()->getPosition();
 902                         m_env->getLocalPlayer()->parent = getParent();
 903                 }
 904         } else {
 905                 rot_translator.translate(dtime);
 906                 v3f lastpos = pos_translator.val_current;
 907
 908                 if(m_prop.physical)
 909                 {
 910                         aabb3f box = m_prop.collisionbox;
 911                         box.MinEdge *= BS;
 912                         box.MaxEdge *= BS;
 913                         collisionMoveResult moveresult;
 914                         f32 pos_max_d = BS*0.125; // Distance per iteration
 915                         v3f p_pos = m_position;
 916                         v3f p_velocity = m_velocity;
 917                         moveresult = collisionMoveSimple(env,env->getGameDef(),
 918                                         pos_max_d, box, m_prop.stepheight, dtime,
 919                                         &p_pos, &p_velocity, m_acceleration,
 920                                         this, m_prop.collideWithObjects);
 921                         // Apply results
 922                         m_position = p_pos;
 923                         m_velocity = p_velocity;
 924
 925                         bool is_end_position = moveresult.collides;
 926                         pos_translator.update(m_position, is_end_position, dtime);
 927                         pos_translator.translate(dtime);
 928                         updateNodePos();
 929                 } else {
 930                         m_position += dtime * m_velocity + 0.5 * dtime * dtime * m_acceleration;
 931                         m_velocity += dtime * m_acceleration;
 932                         pos_translator.update(m_position, pos_translator.aim_is_end,
 933                                         pos_translator.anim_time);
 934                         pos_translator.translate(dtime);
 935                         updateNodePos();
 936                 }
 937
 938                 float moved = lastpos.getDistanceFrom(pos_translator.val_current);
 939                 m_step_distance_counter += moved;
 940                 if (m_step_distance_counter > 1.5f * BS) {
 941                         m_step_distance_counter = 0.0f;
 942                         if (!m_is_local_player && m_prop.makes_footstep_sound) {
 943                                 const NodeDefManager *ndef = m_client->ndef();
 944                                 v3s16 p = floatToInt(getPosition() +
 945                                         v3f(0.0f, (m_prop.collisionbox.MinEdge.Y - 0.5f) * BS, 0.0f), BS);
 946                                 MapNode n = m_env->getMap().getNodeNoEx(p);
 947                                 SimpleSoundSpec spec = ndef->get(n).sound_footstep;
 948                                 // Reduce footstep gain, as non-local-player footsteps are
 949                                 // somehow louder.
 950                                 spec.gain *= 0.6f;
 951                                 m_client->sound()->playSoundAt(spec, false, getPosition());
 952                         }
 953                 }
 954         }
 955
 956         m_anim_timer += dtime;
 957         if(m_anim_timer >= m_anim_framelength)
 958         {
 959                 m_anim_timer -= m_anim_framelength;
 960                 m_anim_frame++;
 961                 if(m_anim_frame >= m_anim_num_frames)
 962                         m_anim_frame = 0;
 963         }
 964
 965         updateTexturePos();
 966
 967         if(m_reset_textures_timer >= 0)
 968         {
 969                 m_reset_textures_timer -= dtime;
 970                 if(m_reset_textures_timer <= 0) {
 971                         m_reset_textures_timer = -1;
 972                         updateTextures(m_previous_texture_modifier);
 973                 }
 974         }
 975         if (!getParent() && std::fabs(m_prop.automatic_rotate) > 0.001) {
 976                 m_rotation.Y += dtime * m_prop.automatic_rotate * 180 / M_PI;
 977                 rot_translator.val_current = m_rotation;
 978                 updateNodePos();
 979         }
 980
 981         if (!getParent() && m_prop.automatic_face_movement_dir &&
 982                         (fabs(m_velocity.Z) > 0.001 || fabs(m_velocity.X) > 0.001)) {
 983
 984                 float target_yaw = atan2(m_velocity.Z, m_velocity.X) * 180 / M_PI
 985                                 + m_prop.automatic_face_movement_dir_offset;
 986                 float max_rotation_delta =
 987                                 dtime * m_prop.automatic_face_movement_max_rotation_per_sec;
 988
 989                 wrappedApproachShortest(m_rotation.Y, target_yaw, max_rotation_delta, 360.f);
 990                 rot_translator.val_current = m_rotation;
 991
 992                 updateNodePos();
 993         }
 994 }
 995
 996 void GenericCAO::updateTexturePos()
 997 {
 998         if(m_spritenode)
 999         {
1000                 scene::ICameraSceneNode* camera =
1001                                 m_spritenode->getSceneManager()->getActiveCamera();
1002                 if(!camera)
1003                         return;
1004                 v3f cam_to_entity = m_spritenode->getAbsolutePosition()
1005                                 - camera->getAbsolutePosition();
1006                 cam_to_entity.normalize();
1007
1008                 int row = m_tx_basepos.Y;
1009                 int col = m_tx_basepos.X;
1010
1011                 if (m_tx_select_horiz_by_yawpitch) {
1012                         if (cam_to_entity.Y > 0.75)
1013                                 col += 5;
1014                         else if (cam_to_entity.Y < -0.75)
1015                                 col += 4;
1016                         else {
1017                                 float mob_dir =
1018                                                 atan2(cam_to_entity.Z, cam_to_entity.X) / M_PI * 180.;
1019                                 float dir = mob_dir - m_rotation.Y;
1020                                 dir = wrapDegrees_180(dir);
1021                                 if (std::fabs(wrapDegrees_180(dir - 0)) <= 45.1f)
1022                                         col += 2;
1023                                 else if(std::fabs(wrapDegrees_180(dir - 90)) <= 45.1f)
1024                                         col += 3;
1025                                 else if(std::fabs(wrapDegrees_180(dir - 180)) <= 45.1f)
1026                                         col += 0;
1027                                 else if(std::fabs(wrapDegrees_180(dir + 90)) <= 45.1f)
1028                                         col += 1;
1029                                 else
1030                                         col += 4;
1031                         }
1032                 }
1033
1034                 // Animation goes downwards
1035                 row += m_anim_frame;
1036
1037                 float txs = m_tx_size.X;
1038                 float tys = m_tx_size.Y;
1039                 setBillboardTextureMatrix(m_spritenode, txs, tys, col, row);
1040         }
1041 }
1042
1043 void GenericCAO::updateTextures(std::string mod)
1044 {
1045         ITextureSource *tsrc = m_client->tsrc();
1046
1047         bool use_trilinear_filter = g_settings->getBool("trilinear_filter");
1048         bool use_bilinear_filter = g_settings->getBool("bilinear_filter");
1049         bool use_anisotropic_filter = g_settings->getBool("anisotropic_filter");
1050
1051         m_previous_texture_modifier = m_current_texture_modifier;
1052         m_current_texture_modifier = mod;
1053         m_glow = m_prop.glow;
1054
1055         video::E_MATERIAL_TYPE material_type = (m_prop.use_texture_alpha) ?
1056                 video::EMT_TRANSPARENT_ALPHA_CHANNEL : video::EMT_TRANSPARENT_ALPHA_CHANNEL_REF;
1057
1058         if (m_spritenode) {
1059                 if (m_prop.visual == "sprite") {
1060                         std::string texturestring = "unknown_node.png";
1061                         if (!m_prop.textures.empty())
1062                                 texturestring = m_prop.textures[0];
1063                         texturestring += mod;
1064                         m_spritenode->getMaterial(0).MaterialType = material_type;
1065                         m_spritenode->setMaterialTexture(0,
1066                                         tsrc->getTextureForMesh(texturestring));
1067
1068                         // This allows setting per-material colors. However, until a real lighting
1069                         // system is added, the code below will have no effect. Once MineTest
1070                         // has directional lighting, it should work automatically.
1071                         if (!m_prop.colors.empty()) {
1072                                 m_spritenode->getMaterial(0).AmbientColor = m_prop.colors[0];
1073                                 m_spritenode->getMaterial(0).DiffuseColor = m_prop.colors[0];
1074                                 m_spritenode->getMaterial(0).SpecularColor = m_prop.colors[0];
1075                         }
1076
1077                         m_spritenode->getMaterial(0).setFlag(video::EMF_TRILINEAR_FILTER, use_trilinear_filter);
1078                         m_spritenode->getMaterial(0).setFlag(video::EMF_BILINEAR_FILTER, use_bilinear_filter);
1079                         m_spritenode->getMaterial(0).setFlag(video::EMF_ANISOTROPIC_FILTER, use_anisotropic_filter);
1080                 }
1081         }
1082
1083         if (m_animated_meshnode) {
1084                 if (m_prop.visual == "mesh") {
1085                         for (u32 i = 0; i < m_prop.textures.size() &&
1086                                         i < m_animated_meshnode->getMaterialCount(); ++i) {
1087                                 std::string texturestring = m_prop.textures[i];
1088                                 if (texturestring.empty())
1089                                         continue; // Empty texture string means don't modify that material
1090                                 texturestring += mod;
1091                                 video::ITexture* texture = tsrc->getTextureForMesh(texturestring);
1092                                 if (!texture) {
1093                                         errorstream<<"GenericCAO::updateTextures(): Could not load texture "<<texturestring<<std::endl;
1094                                         continue;
1095                                 }
1096
1097                                 // Set material flags and texture
1098                                 video::SMaterial& material = m_animated_meshnode->getMaterial(i);
1099                                 material.MaterialType = material_type;
1100                                 material.TextureLayer[0].Texture = texture;
1101                                 material.setFlag(video::EMF_LIGHTING, true);
1102                                 material.setFlag(video::EMF_BILINEAR_FILTER, false);
1103                                 material.setFlag(video::EMF_BACK_FACE_CULLING, m_prop.backface_culling);
1104
1105                                 // don't filter low-res textures, makes them look blurry
1106                                 // player models have a res of 64
1107                                 const core::dimension2d<u32> &size = texture->getOriginalSize();
1108                                 const u32 res = std::min(size.Height, size.Width);
1109                                 use_trilinear_filter &= res > 64;
1110                                 use_bilinear_filter &= res > 64;
1111
1112                                 m_animated_meshnode->getMaterial(i)
1113                                                 .setFlag(video::EMF_TRILINEAR_FILTER, use_trilinear_filter);
1114                                 m_animated_meshnode->getMaterial(i)
1115                                                 .setFlag(video::EMF_BILINEAR_FILTER, use_bilinear_filter);
1116                                 m_animated_meshnode->getMaterial(i)
1117                                                 .setFlag(video::EMF_ANISOTROPIC_FILTER, use_anisotropic_filter);
1118                         }
1119                         for (u32 i = 0; i < m_prop.colors.size() &&
1120                         i < m_animated_meshnode->getMaterialCount(); ++i)
1121                         {
1122                                 // This allows setting per-material colors. However, until a real lighting
1123                                 // system is added, the code below will have no effect. Once MineTest
1124                                 // has directional lighting, it should work automatically.
1125                                 m_animated_meshnode->getMaterial(i).AmbientColor = m_prop.colors[i];
1126                                 m_animated_meshnode->getMaterial(i).DiffuseColor = m_prop.colors[i];
1127                                 m_animated_meshnode->getMaterial(i).SpecularColor = m_prop.colors[i];
1128                         }
1129                 }
1130         }
1131         if(m_meshnode)
1132         {
1133                 if(m_prop.visual == "cube")
1134                 {
1135                         for (u32 i = 0; i < 6; ++i)
1136                         {
1137                                 std::string texturestring = "unknown_node.png";
1138                                 if(m_prop.textures.size() > i)
1139                                         texturestring = m_prop.textures[i];
1140                                 texturestring += mod;
1141
1142
1143                                 // Set material flags and texture
1144                                 video::SMaterial& material = m_meshnode->getMaterial(i);
1145                                 material.MaterialType = material_type;
1146                                 material.setFlag(video::EMF_LIGHTING, false);
1147                                 material.setFlag(video::EMF_BILINEAR_FILTER, false);
1148                                 material.setTexture(0,
1149                                                 tsrc->getTextureForMesh(texturestring));
1150                                 material.getTextureMatrix(0).makeIdentity();
1151
1152                                 // This allows setting per-material colors. However, until a real lighting
1153                                 // system is added, the code below will have no effect. Once MineTest
1154                                 // has directional lighting, it should work automatically.
1155                                 if(m_prop.colors.size() > i)
1156                                 {
1157                                         m_meshnode->getMaterial(i).AmbientColor = m_prop.colors[i];
1158                                         m_meshnode->getMaterial(i).DiffuseColor = m_prop.colors[i];
1159                                         m_meshnode->getMaterial(i).SpecularColor = m_prop.colors[i];
1160                                 }
1161
1162                                 m_meshnode->getMaterial(i).setFlag(video::EMF_TRILINEAR_FILTER, use_trilinear_filter);
1163                                 m_meshnode->getMaterial(i).setFlag(video::EMF_BILINEAR_FILTER, use_bilinear_filter);
1164                                 m_meshnode->getMaterial(i).setFlag(video::EMF_ANISOTROPIC_FILTER, use_anisotropic_filter);
1165                         }
1166                 } else if (m_prop.visual == "upright_sprite") {
1167                         scene::IMesh *mesh = m_meshnode->getMesh();
1168                         {
1169                                 std::string tname = "unknown_object.png";
1170                                 if (!m_prop.textures.empty())
1171                                         tname = m_prop.textures[0];
1172                                 tname += mod;
1173                                 scene::IMeshBuffer *buf = mesh->getMeshBuffer(0);
1174                                 buf->getMaterial().setTexture(0,
1175                                                 tsrc->getTextureForMesh(tname));
1176
1177                                 // This allows setting per-material colors. However, until a real lighting
1178                                 // system is added, the code below will have no effect. Once MineTest
1179                                 // has directional lighting, it should work automatically.
1180                                 if(!m_prop.colors.empty()) {
1181                                         buf->getMaterial().AmbientColor = m_prop.colors[0];
1182                                         buf->getMaterial().DiffuseColor = m_prop.colors[0];
1183                                         buf->getMaterial().SpecularColor = m_prop.colors[0];
1184                                 }
1185
1186                                 buf->getMaterial().setFlag(video::EMF_TRILINEAR_FILTER, use_trilinear_filter);
1187                                 buf->getMaterial().setFlag(video::EMF_BILINEAR_FILTER, use_bilinear_filter);
1188                                 buf->getMaterial().setFlag(video::EMF_ANISOTROPIC_FILTER, use_anisotropic_filter);
1189                         }
1190                         {
1191                                 std::string tname = "unknown_object.png";
1192                                 if (m_prop.textures.size() >= 2)
1193                                         tname = m_prop.textures[1];
1194                                 else if (!m_prop.textures.empty())
1195                                         tname = m_prop.textures[0];
1196                                 tname += mod;
1197                                 scene::IMeshBuffer *buf = mesh->getMeshBuffer(1);
1198                                 buf->getMaterial().setTexture(0,
1199                                                 tsrc->getTextureForMesh(tname));
1200
1201                                 // This allows setting per-material colors. However, until a real lighting
1202                                 // system is added, the code below will have no effect. Once MineTest
1203                                 // has directional lighting, it should work automatically.
1204                                 if (m_prop.colors.size() >= 2) {
1205                                         buf->getMaterial().AmbientColor = m_prop.colors[1];
1206                                         buf->getMaterial().DiffuseColor = m_prop.colors[1];
1207                                         buf->getMaterial().SpecularColor = m_prop.colors[1];
1208                                         setMeshColor(mesh, m_prop.colors[1]);
1209                                 } else if (!m_prop.colors.empty()) {
1210                                         buf->getMaterial().AmbientColor = m_prop.colors[0];
1211                                         buf->getMaterial().DiffuseColor = m_prop.colors[0];
1212                                         buf->getMaterial().SpecularColor = m_prop.colors[0];
1213                                         setMeshColor(mesh, m_prop.colors[0]);
1214                                 }
1215
1216                                 buf->getMaterial().setFlag(video::EMF_TRILINEAR_FILTER, use_trilinear_filter);
1217                                 buf->getMaterial().setFlag(video::EMF_BILINEAR_FILTER, use_bilinear_filter);
1218                                 buf->getMaterial().setFlag(video::EMF_ANISOTROPIC_FILTER, use_anisotropic_filter);
1219                         }
1220                 }
1221         }
1222 }
1223
1224 void GenericCAO::updateAnimation()
1225 {
1226         if (!m_animated_meshnode)
1227                 return;
1228
1229         if (m_animated_meshnode->getStartFrame() != m_animation_range.X ||
1230                 m_animated_meshnode->getEndFrame() != m_animation_range.Y)
1231                         m_animated_meshnode->setFrameLoop(m_animation_range.X, m_animation_range.Y);
1232         if (m_animated_meshnode->getAnimationSpeed() != m_animation_speed)
1233                 m_animated_meshnode->setAnimationSpeed(m_animation_speed);
1234         m_animated_meshnode->setTransitionTime(m_animation_blend);
1235 // Requires Irrlicht 1.8 or greater
1236 #if (IRRLICHT_VERSION_MAJOR == 1 && IRRLICHT_VERSION_MINOR >= 8) || IRRLICHT_VERSION_MAJOR > 1
1237         if (m_animated_meshnode->getLoopMode() != m_animation_loop)
1238                 m_animated_meshnode->setLoopMode(m_animation_loop);
1239 #endif
1240 }
1241
1242 void GenericCAO::updateAnimationSpeed()
1243 {
1244         if (!m_animated_meshnode)
1245                 return;
1246
1247         m_animated_meshnode->setAnimationSpeed(m_animation_speed);
1248 }
1249
1250 void GenericCAO::updateBonePosition()
1251 {
1252         if (m_bone_position.empty() || !m_animated_meshnode)
1253                 return;
1254
1255         m_animated_meshnode->setJointMode(irr::scene::EJUOR_CONTROL); // To write positions to the mesh on render
1256         for(std::unordered_map<std::string, core::vector2d<v3f>>::const_iterator
1257                         ii = m_bone_position.begin(); ii != m_bone_position.end(); ++ii) {
1258                 std::string bone_name = (*ii).first;
1259                 v3f bone_pos = (*ii).second.X;
1260                 v3f bone_rot = (*ii).second.Y;
1261                 irr::scene::IBoneSceneNode* bone = m_animated_meshnode->getJointNode(bone_name.c_str());
1262                 if(bone)
1263                 {
1264                         bone->setPosition(bone_pos);
1265                         bone->setRotation(bone_rot);
1266                 }
1267         }
1268 }
1269
1270 void GenericCAO::updateAttachments()
1271 {
1272
1273         if (!getParent()) { // Detach or don't attach
1274                 scene::ISceneNode *node = getSceneNode();
1275                 if (node) {
1276                         v3f old_position = node->getAbsolutePosition();
1277                         v3f old_rotation = node->getRotation();
1278                         node->setParent(m_smgr->getRootSceneNode());
1279                         node->setPosition(old_position);
1280                         node->setRotation(old_rotation);
1281                         node->updateAbsolutePosition();
1282                 }
1283                 if (m_is_local_player) {
1284                         LocalPlayer *player = m_env->getLocalPlayer();
1285                         player->isAttached = false;
1286                 }
1287         }
1288         else // Attach
1289         {
1290                 scene::ISceneNode *my_node = getSceneNode();
1291
1292                 scene::ISceneNode *parent_node = getParent()->getSceneNode();
1293                 scene::IAnimatedMeshSceneNode *parent_animated_mesh_node =
1294                                 getParent()->getAnimatedMeshSceneNode();
1295                 if (parent_animated_mesh_node && !m_attachment_bone.empty()) {
1296                         parent_node = parent_animated_mesh_node->getJointNode(m_attachment_bone.c_str());
1297                 }
1298
1299                 if (my_node && parent_node) {
1300                         my_node->setParent(parent_node);
1301                         my_node->setPosition(m_attachment_position);
1302                         my_node->setRotation(m_attachment_rotation);
1303                         my_node->updateAbsolutePosition();
1304                 }
1305                 if (m_is_local_player) {
1306                         LocalPlayer *player = m_env->getLocalPlayer();
1307                         player->isAttached = true;
1308                 }
1309         }
1310 }
1311
1312 void GenericCAO::processMessage(const std::string &data)
1313 {
1314         //infostream<<"GenericCAO: Got message"<<std::endl;
1315         std::istringstream is(data, std::ios::binary);
1316         // command
1317         u8 cmd = readU8(is);
1318         if (cmd == GENERIC_CMD_SET_PROPERTIES) {
1319                 m_prop = gob_read_set_properties(is);
1320
1321                 m_selection_box = m_prop.selectionbox;
1322                 m_selection_box.MinEdge *= BS;
1323                 m_selection_box.MaxEdge *= BS;
1324
1325                 m_tx_size.X = 1.0 / m_prop.spritediv.X;
1326                 m_tx_size.Y = 1.0 / m_prop.spritediv.Y;
1327
1328                 if(!m_initial_tx_basepos_set){
1329                         m_initial_tx_basepos_set = true;
1330                         m_tx_basepos = m_prop.initial_sprite_basepos;
1331                 }
1332                 if (m_is_local_player) {
1333                         LocalPlayer *player = m_env->getLocalPlayer();
1334                         player->makes_footstep_sound = m_prop.makes_footstep_sound;
1335                         aabb3f collision_box = m_prop.collisionbox;
1336                         collision_box.MinEdge *= BS;
1337                         collision_box.MaxEdge *= BS;
1338                         player->setCollisionbox(collision_box);
1339                         player->setEyeHeight(m_prop.eye_height);
1340                         player->setZoomFOV(m_prop.zoom_fov);
1341                 }
1342
1343                 if ((m_is_player && !m_is_local_player) && m_prop.nametag.empty())
1344                         m_prop.nametag = m_name;
1345
1346                 expireVisuals();
1347         } else if (cmd == GENERIC_CMD_UPDATE_POSITION) {
1348                 // Not sent by the server if this object is an attachment.
1349                 // We might however get here if the server notices the object being detached before the client.
1350                 m_position = readV3F1000(is);
1351                 m_velocity = readV3F1000(is);
1352                 m_acceleration = readV3F1000(is);
1353
1354                 if (std::fabs(m_prop.automatic_rotate) < 0.001f)
1355                         m_rotation = readV3F1000(is);
1356                 else
1357                         readV3F1000(is);
1358
1359                 m_rotation = wrapDegrees_0_360_v3f(m_rotation);
1360                 bool do_interpolate = readU8(is);
1361                 bool is_end_position = readU8(is);
1362                 float update_interval = readF1000(is);
1363
1364                 // Place us a bit higher if we're physical, to not sink into
1365                 // the ground due to sucky collision detection...
1366                 if(m_prop.physical)
1367                         m_position += v3f(0,0.002,0);
1368
1369                 if(getParent() != NULL) // Just in case
1370                         return;
1371
1372                 if(do_interpolate)
1373                 {
1374                         if(!m_prop.physical)
1375                                 pos_translator.update(m_position, is_end_position, update_interval);
1376                 } else {
1377                         pos_translator.init(m_position);
1378                 }
1379                 rot_translator.update(m_rotation, false, update_interval);
1380                 updateNodePos();
1381         } else if (cmd == GENERIC_CMD_SET_TEXTURE_MOD) {
1382                 std::string mod = deSerializeString(is);
1383
1384                 // immediatly reset a engine issued texture modifier if a mod sends a different one
1385                 if (m_reset_textures_timer > 0) {
1386                         m_reset_textures_timer = -1;
1387                         updateTextures(m_previous_texture_modifier);
1388                 }
1389                 updateTextures(mod);
1390         } else if (cmd == GENERIC_CMD_SET_SPRITE) {
1391                 v2s16 p = readV2S16(is);
1392                 int num_frames = readU16(is);
1393                 float framelength = readF1000(is);
1394                 bool select_horiz_by_yawpitch = readU8(is);
1395
1396                 m_tx_basepos = p;
1397                 m_anim_num_frames = num_frames;
1398                 m_anim_framelength = framelength;
1399                 m_tx_select_horiz_by_yawpitch = select_horiz_by_yawpitch;
1400
1401                 updateTexturePos();
1402         } else if (cmd == GENERIC_CMD_SET_PHYSICS_OVERRIDE) {
1403                 float override_speed = readF1000(is);
1404                 float override_jump = readF1000(is);
1405                 float override_gravity = readF1000(is);
1406                 // these are sent inverted so we get true when the server sends nothing
1407                 bool sneak = !readU8(is);
1408                 bool sneak_glitch = !readU8(is);
1409                 bool new_move = !readU8(is);
1410
1411
1412                 if(m_is_local_player)
1413                 {
1414                         LocalPlayer *player = m_env->getLocalPlayer();
1415                         player->physics_override_speed = override_speed;
1416                         player->physics_override_jump = override_jump;
1417                         player->physics_override_gravity = override_gravity;
1418                         player->physics_override_sneak = sneak;
1419                         player->physics_override_sneak_glitch = sneak_glitch;
1420                         player->physics_override_new_move = new_move;
1421                 }
1422         } else if (cmd == GENERIC_CMD_SET_ANIMATION) {
1423                 // TODO: change frames send as v2s32 value
1424                 v2f range = readV2F1000(is);
1425                 if (!m_is_local_player) {
1426                         m_animation_range = v2s32((s32)range.X, (s32)range.Y);
1427                         m_animation_speed = readF1000(is);
1428                         m_animation_blend = readF1000(is);
1429                         // these are sent inverted so we get true when the server sends nothing
1430                         m_animation_loop = !readU8(is);
1431                         updateAnimation();
1432                 } else {
1433                         LocalPlayer *player = m_env->getLocalPlayer();
1434                         if(player->last_animation == NO_ANIM)
1435                         {
1436                                 m_animation_range = v2s32((s32)range.X, (s32)range.Y);
1437                                 m_animation_speed = readF1000(is);
1438                                 m_animation_blend = readF1000(is);
1439                                 // these are sent inverted so we get true when the server sends nothing
1440                                 m_animation_loop = !readU8(is);
1441                         }
1442                         // update animation only if local animations present
1443                         // and received animation is unknown (except idle animation)
1444                         bool is_known = false;
1445                         for (int i = 1;i<4;i++)
1446                         {
1447                                 if(m_animation_range.Y == player->local_animations[i].Y)
1448                                         is_known = true;
1449                         }
1450                         if(!is_known ||
1451                                         (player->local_animations[1].Y + player->local_animations[2].Y < 1))
1452                         {
1453                                         updateAnimation();
1454                         }
1455                 }
1456         } else if (cmd == GENERIC_CMD_SET_ANIMATION_SPEED) {
1457                 m_animation_speed = readF1000(is);
1458                 updateAnimationSpeed();
1459         } else if (cmd == GENERIC_CMD_SET_BONE_POSITION) {
1460                 std::string bone = deSerializeString(is);
1461                 v3f position = readV3F1000(is);
1462                 v3f rotation = readV3F1000(is);
1463                 m_bone_position[bone] = core::vector2d<v3f>(position, rotation);
1464
1465                 updateBonePosition();
1466         } else if (cmd == GENERIC_CMD_ATTACH_TO) {
1467                 u16 parent_id = readS16(is);
1468                 u16 &old_parent_id = m_env->attachement_parent_ids[getId()];
1469                 if (parent_id != old_parent_id) {
1470                         if (GenericCAO *old_parent = m_env->getGenericCAO(old_parent_id)) {
1471                                 old_parent->m_children.erase(std::remove(
1472                                         m_children.begin(), m_children.end(),
1473                                         getId()), m_children.end());
1474                         }
1475                         if (GenericCAO *new_parent = m_env->getGenericCAO(parent_id))
1476                                 new_parent->m_children.push_back(getId());
1477
1478                         old_parent_id = parent_id;
1479                 }
1480
1481                 m_attachment_bone = deSerializeString(is);
1482                 m_attachment_position = readV3F1000(is);
1483                 m_attachment_rotation = readV3F1000(is);
1484
1485                 // localplayer itself can't be attached to localplayer
1486                 if (!m_is_local_player) {
1487                         m_attached_to_local = getParent() != NULL && getParent()->isLocalPlayer();
1488                         // Objects attached to the local player should be hidden by default
1489                         m_is_visible = !m_attached_to_local;
1490                 }
1491
1492                 updateAttachments();
1493         } else if (cmd == GENERIC_CMD_PUNCHED) {
1494                 /*s16 damage =*/ readS16(is);
1495                 s16 result_hp = readS16(is);
1496
1497                 // Use this instead of the send damage to not interfere with prediction
1498                 s16 damage = m_hp - result_hp;
1499
1500                 m_hp = result_hp;
1501
1502                 if (damage > 0)
1503                 {
1504                         if (m_hp <= 0)
1505                         {
1506                                 // TODO: Execute defined fast response
1507                                 // As there is no definition, make a smoke puff
1508                                 ClientSimpleObject *simple = createSmokePuff(
1509                                                 m_smgr, m_env, m_position,
1510                                                 m_prop.visual_size * BS);
1511                                 m_env->addSimpleObject(simple);
1512                         } else if (m_reset_textures_timer < 0) {
1513                                 // TODO: Execute defined fast response
1514                                 // Flashing shall suffice as there is no definition
1515                                 m_reset_textures_timer = 0.05;
1516                                 if(damage >= 2)
1517                                         m_reset_textures_timer += 0.05 * damage;
1518                                 updateTextures(m_current_texture_modifier + "^[brighten");
1519                         }
1520                 }
1521         } else if (cmd == GENERIC_CMD_UPDATE_ARMOR_GROUPS) {
1522                 m_armor_groups.clear();
1523                 int armor_groups_size = readU16(is);
1524                 for(int i=0; i<armor_groups_size; i++)
1525                 {
1526                         std::string name = deSerializeString(is);
1527                         int rating = readS16(is);
1528                         m_armor_groups[name] = rating;
1529                 }
1530         } else if (cmd == GENERIC_CMD_UPDATE_NAMETAG_ATTRIBUTES) {
1531                 // Deprecated, for backwards compatibility only.
1532                 readU8(is); // version
1533                 m_prop.nametag_color = readARGB8(is);
1534                 if (m_nametag != NULL) {
1535                         m_nametag->nametag_color = m_prop.nametag_color;
1536                         v3f pos;
1537                         pos.Y = m_prop.collisionbox.MaxEdge.Y + 0.3f;
1538                         m_nametag->nametag_pos = pos;
1539                 }
1540         } else if (cmd == GENERIC_CMD_SPAWN_INFANT) {
1541                 u16 child_id = readU16(is);
1542                 u8 type = readU8(is);
1543
1544                 if (GenericCAO *childobj = m_env->getGenericCAO(child_id)) {
1545                         childobj->processInitData(deSerializeLongString(is));
1546                 } else {
1547                         m_env->addActiveObject(child_id, type, deSerializeLongString(is));
1548                 }
1549         } else {
1550                 warningstream << FUNCTION_NAME
1551                         << ": unknown command or outdated client \""
1552                         << +cmd << "\"" << std::endl;
1553         }
1554 }
1555
1556 /* \pre punchitem != NULL
1557  */
1558 bool GenericCAO::directReportPunch(v3f dir, const ItemStack *punchitem,
1559                 float time_from_last_punch)
1560 {
1561         assert(punchitem);      // pre-condition
1562         const ToolCapabilities *toolcap =
1563                         &punchitem->getToolCapabilities(m_client->idef());
1564         PunchDamageResult result = getPunchDamage(
1565                         m_armor_groups,
1566                         toolcap,
1567                         punchitem,
1568                         time_from_last_punch);
1569
1570         if(result.did_punch && result.damage != 0)
1571         {
1572                 if(result.damage < m_hp)
1573                 {
1574                         m_hp -= result.damage;
1575                 } else {
1576                         m_hp = 0;
1577                         // TODO: Execute defined fast response
1578                         // As there is no definition, make a smoke puff
1579                         ClientSimpleObject *simple = createSmokePuff(
1580                                         m_smgr, m_env, m_position,
1581                                         m_prop.visual_size * BS);
1582                         m_env->addSimpleObject(simple);
1583                 }
1584                 // TODO: Execute defined fast response
1585                 // Flashing shall suffice as there is no definition
1586                 if (m_reset_textures_timer < 0) {
1587                         m_reset_textures_timer = 0.05;
1588                         if (result.damage >= 2)
1589                                 m_reset_textures_timer += 0.05 * result.damage;
1590                         updateTextures(m_current_texture_modifier + "^[brighten");
1591                 }
1592         }
1593
1594         return false;
1595 }
1596
1597 std::string GenericCAO::debugInfoText()
1598 {
1599         std::ostringstream os(std::ios::binary);
1600         os<<"GenericCAO hp="<<m_hp<<"\n";
1601         os<<"armor={";
1602         for(ItemGroupList::const_iterator i = m_armor_groups.begin();
1603                         i != m_armor_groups.end(); ++i)
1604         {
1605                 os<<i->first<<"="<<i->second<<", ";
1606         }
1607         os<<"}";
1608         return os.str();
1609 }
1610
1611 // Prototype
1612 GenericCAO proto_GenericCAO(NULL, NULL);