src/content_cao.cpp

   1 /*
   2 Minetest-c55
   3 Copyright (C) 2010-2011 celeron55, Perttu Ahola <celeron55@gmail.com>
   4
   5 This program is free software; you can redistribute it and/or modify
   6 it under the terms of the GNU General Public License as published by
   7 the Free Software Foundation; either version 2 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 General Public License for more details.
  14
  15 You should have received a copy of the GNU General Public License along
  16 with this program; if not, write to the Free Software Foundation, Inc.,
  17 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  18 */
  19
  20 #include "content_cao.h"
  21 #include "tile.h"
  22 #include "environment.h"
  23 #include "collision.h"
  24 #include "settings.h"
  25 #include <ICameraSceneNode.h>
  26 #include <ITextSceneNode.h>
  27 #include <IBillboardSceneNode.h>
  28 #include "serialization.h" // For decompressZlib
  29 #include "gamedef.h"
  30 #include "clientobject.h"
  31 #include "content_object.h"
  32 #include "mesh.h"
  33 #include "utility.h" // For IntervalLimiter
  34 #include "itemdef.h"
  35 #include "tool.h"
  36 #include "content_cso.h"
  37 class Settings;
  38 struct ToolCapabilities;
  39
  40 core::map<u16, ClientActiveObject::Factory> ClientActiveObject::m_types;
  41
  42 /*
  43         SmoothTranslator
  44 */
  45
  46 struct SmoothTranslator
  47 {
  48         v3f vect_old;
  49         v3f vect_show;
  50         v3f vect_aim;
  51         f32 anim_counter;
  52         f32 anim_time;
  53         f32 anim_time_counter;
  54         bool aim_is_end;
  55
  56         SmoothTranslator():
  57                 vect_old(0,0,0),
  58                 vect_show(0,0,0),
  59                 vect_aim(0,0,0),
  60                 anim_counter(0),
  61                 anim_time(0),
  62                 anim_time_counter(0),
  63                 aim_is_end(true)
  64         {}
  65
  66         void init(v3f vect)
  67         {
  68                 vect_old = vect;
  69                 vect_show = vect;
  70                 vect_aim = vect;
  71                 anim_counter = 0;
  72                 anim_time = 0;
  73                 anim_time_counter = 0;
  74                 aim_is_end = true;
  75         }
  76
  77         void sharpen()
  78         {
  79                 init(vect_show);
  80         }
  81
  82         void update(v3f vect_new, bool is_end_position=false, float update_interval=-1)
  83         {
  84                 aim_is_end = is_end_position;
  85                 vect_old = vect_show;
  86                 vect_aim = vect_new;
  87                 if(update_interval > 0){
  88                         anim_time = update_interval;
  89                 } else {
  90                         if(anim_time < 0.001 || anim_time > 1.0)
  91                                 anim_time = anim_time_counter;
  92                         else
  93                                 anim_time = anim_time * 0.9 + anim_time_counter * 0.1;
  94                 }
  95                 anim_time_counter = 0;
  96                 anim_counter = 0;
  97         }
  98
  99         void translate(f32 dtime)
 100         {
 101                 anim_time_counter = anim_time_counter + dtime;
 102                 anim_counter = anim_counter + dtime;
 103                 v3f vect_move = vect_aim - vect_old;
 104                 f32 moveratio = 1.0;
 105                 if(anim_time > 0.001)
 106                         moveratio = anim_time_counter / anim_time;
 107                 // Move a bit less than should, to avoid oscillation
 108                 moveratio = moveratio * 0.8;
 109                 float move_end = 1.5;
 110                 if(aim_is_end)
 111                         move_end = 1.0;
 112                 if(moveratio > move_end)
 113                         moveratio = move_end;
 114                 vect_show = vect_old + vect_move * moveratio;
 115         }
 116
 117         bool is_moving()
 118         {
 119                 return ((anim_time_counter / anim_time) < 1.4);
 120         }
 121 };
 122
 123 /*
 124         Other stuff
 125 */
 126
 127 static void setBillboardTextureMatrix(scene::IBillboardSceneNode *bill,
 128                 float txs, float tys, int col, int row)
 129 {
 130         video::SMaterial& material = bill->getMaterial(0);
 131         core::matrix4& matrix = material.getTextureMatrix(0);
 132         matrix.setTextureTranslate(txs*col, tys*row);
 133         matrix.setTextureScale(txs, tys);
 134 }
 135
 136 /*
 137         TestCAO
 138 */
 139
 140 class TestCAO : public ClientActiveObject
 141 {
 142 public:
 143         TestCAO(IGameDef *gamedef, ClientEnvironment *env);
 144         virtual ~TestCAO();
 145
 146         u8 getType() const
 147         {
 148                 return ACTIVEOBJECT_TYPE_TEST;
 149         }
 150
 151         static ClientActiveObject* create(IGameDef *gamedef, ClientEnvironment *env);
 152
 153         void addToScene(scene::ISceneManager *smgr, ITextureSource *tsrc,
 154                         IrrlichtDevice *irr);
 155         void removeFromScene();
 156         void updateLight(u8 light_at_pos);
 157         v3s16 getLightPosition();
 158         void updateNodePos();
 159
 160         void step(float dtime, ClientEnvironment *env);
 161
 162         void processMessage(const std::string &data);
 163
 164 private:
 165         scene::IMeshSceneNode *m_node;
 166         v3f m_position;
 167 };
 168
 169 // Prototype
 170 TestCAO proto_TestCAO(NULL, NULL);
 171
 172 TestCAO::TestCAO(IGameDef *gamedef, ClientEnvironment *env):
 173         ClientActiveObject(0, gamedef, env),
 174         m_node(NULL),
 175         m_position(v3f(0,10*BS,0))
 176 {
 177         ClientActiveObject::registerType(getType(), create);
 178 }
 179
 180 TestCAO::~TestCAO()
 181 {
 182 }
 183
 184 ClientActiveObject* TestCAO::create(IGameDef *gamedef, ClientEnvironment *env)
 185 {
 186         return new TestCAO(gamedef, env);
 187 }
 188
 189 void TestCAO::addToScene(scene::ISceneManager *smgr, ITextureSource *tsrc,
 190                         IrrlichtDevice *irr)
 191 {
 192         if(m_node != NULL)
 193                 return;
 194
 195         //video::IVideoDriver* driver = smgr->getVideoDriver();
 196
 197         scene::SMesh *mesh = new scene::SMesh();
 198         scene::IMeshBuffer *buf = new scene::SMeshBuffer();
 199         video::SColor c(255,255,255,255);
 200         video::S3DVertex vertices[4] =
 201         {
 202                 video::S3DVertex(-BS/2,-BS/4,0, 0,0,0, c, 0,1),
 203                 video::S3DVertex(BS/2,-BS/4,0, 0,0,0, c, 1,1),
 204                 video::S3DVertex(BS/2,BS/4,0, 0,0,0, c, 1,0),
 205                 video::S3DVertex(-BS/2,BS/4,0, 0,0,0, c, 0,0),
 206         };
 207         u16 indices[] = {0,1,2,2,3,0};
 208         buf->append(vertices, 4, indices, 6);
 209         // Set material
 210         buf->getMaterial().setFlag(video::EMF_LIGHTING, false);
 211         buf->getMaterial().setFlag(video::EMF_BACK_FACE_CULLING, false);
 212         buf->getMaterial().setTexture(0, tsrc->getTextureRaw("rat.png"));
 213         buf->getMaterial().setFlag(video::EMF_BILINEAR_FILTER, false);
 214         buf->getMaterial().setFlag(video::EMF_FOG_ENABLE, true);
 215         buf->getMaterial().MaterialType = video::EMT_TRANSPARENT_ALPHA_CHANNEL;
 216         // Add to mesh
 217         mesh->addMeshBuffer(buf);
 218         buf->drop();
 219         m_node = smgr->addMeshSceneNode(mesh, NULL);
 220         mesh->drop();
 221         updateNodePos();
 222 }
 223
 224 void TestCAO::removeFromScene()
 225 {
 226         if(m_node == NULL)
 227                 return;
 228
 229         m_node->remove();
 230         m_node = NULL;
 231 }
 232
 233 void TestCAO::updateLight(u8 light_at_pos)
 234 {
 235 }
 236
 237 v3s16 TestCAO::getLightPosition()
 238 {
 239         return floatToInt(m_position, BS);
 240 }
 241
 242 void TestCAO::updateNodePos()
 243 {
 244         if(m_node == NULL)
 245                 return;
 246
 247         m_node->setPosition(m_position);
 248         //m_node->setRotation(v3f(0, 45, 0));
 249 }
 250
 251 void TestCAO::step(float dtime, ClientEnvironment *env)
 252 {
 253         if(m_node)
 254         {
 255                 v3f rot = m_node->getRotation();
 256                 //infostream<<"dtime="<<dtime<<", rot.Y="<<rot.Y<<std::endl;
 257                 rot.Y += dtime * 180;
 258                 m_node->setRotation(rot);
 259         }
 260 }
 261
 262 void TestCAO::processMessage(const std::string &data)
 263 {
 264         infostream<<"TestCAO: Got data: "<<data<<std::endl;
 265         std::istringstream is(data, std::ios::binary);
 266         u16 cmd;
 267         is>>cmd;
 268         if(cmd == 0)
 269         {
 270                 v3f newpos;
 271                 is>>newpos.X;
 272                 is>>newpos.Y;
 273                 is>>newpos.Z;
 274                 m_position = newpos;
 275                 updateNodePos();
 276         }
 277 }
 278
 279 /*
 280         ItemCAO
 281 */
 282
 283 class ItemCAO : public ClientActiveObject
 284 {
 285 public:
 286         ItemCAO(IGameDef *gamedef, ClientEnvironment *env);
 287         virtual ~ItemCAO();
 288
 289         u8 getType() const
 290         {
 291                 return ACTIVEOBJECT_TYPE_ITEM;
 292         }
 293
 294         static ClientActiveObject* create(IGameDef *gamedef, ClientEnvironment *env);
 295
 296         void addToScene(scene::ISceneManager *smgr, ITextureSource *tsrc,
 297                         IrrlichtDevice *irr);
 298         void removeFromScene();
 299         void updateLight(u8 light_at_pos);
 300         v3s16 getLightPosition();
 301         void updateNodePos();
 302         void updateInfoText();
 303         void updateTexture();
 304
 305         void step(float dtime, ClientEnvironment *env);
 306
 307         void processMessage(const std::string &data);
 308
 309         void initialize(const std::string &data);
 310
 311         core::aabbox3d<f32>* getSelectionBox()
 312                 {return &m_selection_box;}
 313         v3f getPosition()
 314                 {return m_position;}
 315
 316         std::string infoText()
 317                 {return m_infotext;}
 318
 319 private:
 320         core::aabbox3d<f32> m_selection_box;
 321         scene::IMeshSceneNode *m_node;
 322         v3f m_position;
 323         std::string m_itemstring;
 324         std::string m_infotext;
 325 };
 326
 327 #include "inventory.h"
 328
 329 // Prototype
 330 ItemCAO proto_ItemCAO(NULL, NULL);
 331
 332 ItemCAO::ItemCAO(IGameDef *gamedef, ClientEnvironment *env):
 333         ClientActiveObject(0, gamedef, env),
 334         m_selection_box(-BS/3.,0.0,-BS/3., BS/3.,BS*2./3.,BS/3.),
 335         m_node(NULL),
 336         m_position(v3f(0,10*BS,0))
 337 {
 338         if(!gamedef && !env)
 339         {
 340                 ClientActiveObject::registerType(getType(), create);
 341         }
 342 }
 343
 344 ItemCAO::~ItemCAO()
 345 {
 346 }
 347
 348 ClientActiveObject* ItemCAO::create(IGameDef *gamedef, ClientEnvironment *env)
 349 {
 350         return new ItemCAO(gamedef, env);
 351 }
 352
 353 void ItemCAO::addToScene(scene::ISceneManager *smgr, ITextureSource *tsrc,
 354                         IrrlichtDevice *irr)
 355 {
 356         if(m_node != NULL)
 357                 return;
 358
 359         //video::IVideoDriver* driver = smgr->getVideoDriver();
 360
 361         scene::SMesh *mesh = new scene::SMesh();
 362         scene::IMeshBuffer *buf = new scene::SMeshBuffer();
 363         video::SColor c(255,255,255,255);
 364         video::S3DVertex vertices[4] =
 365         {
 366                 /*video::S3DVertex(-BS/2,-BS/4,0, 0,0,0, c, 0,1),
 367                 video::S3DVertex(BS/2,-BS/4,0, 0,0,0, c, 1,1),
 368                 video::S3DVertex(BS/2,BS/4,0, 0,0,0, c, 1,0),
 369                 video::S3DVertex(-BS/2,BS/4,0, 0,0,0, c, 0,0),*/
 370                 video::S3DVertex(BS/3.,0,0, 0,0,0, c, 0,1),
 371                 video::S3DVertex(-BS/3.,0,0, 0,0,0, c, 1,1),
 372                 video::S3DVertex(-BS/3.,0+BS*2./3.,0, 0,0,0, c, 1,0),
 373                 video::S3DVertex(BS/3.,0+BS*2./3.,0, 0,0,0, c, 0,0),
 374         };
 375         u16 indices[] = {0,1,2,2,3,0};
 376         buf->append(vertices, 4, indices, 6);
 377         // Set material
 378         buf->getMaterial().setFlag(video::EMF_LIGHTING, false);
 379         buf->getMaterial().setFlag(video::EMF_BACK_FACE_CULLING, false);
 380         // Initialize with a generated placeholder texture
 381         buf->getMaterial().setTexture(0, tsrc->getTextureRaw(""));
 382         buf->getMaterial().setFlag(video::EMF_BILINEAR_FILTER, false);
 383         buf->getMaterial().setFlag(video::EMF_FOG_ENABLE, true);
 384         buf->getMaterial().MaterialType = video::EMT_TRANSPARENT_ALPHA_CHANNEL;
 385         // Add to mesh
 386         mesh->addMeshBuffer(buf);
 387         buf->drop();
 388         m_node = smgr->addMeshSceneNode(mesh, NULL);
 389         mesh->drop();
 390         updateNodePos();
 391
 392         /*
 393                 Update image of node
 394         */
 395
 396         updateTexture();
 397 }
 398
 399 void ItemCAO::removeFromScene()
 400 {
 401         if(m_node == NULL)
 402                 return;
 403
 404         m_node->remove();
 405         m_node = NULL;
 406 }
 407
 408 void ItemCAO::updateLight(u8 light_at_pos)
 409 {
 410         if(m_node == NULL)
 411                 return;
 412
 413         u8 li = decode_light(light_at_pos);
 414         video::SColor color(255,li,li,li);
 415         setMeshColor(m_node->getMesh(), color);
 416 }
 417
 418 v3s16 ItemCAO::getLightPosition()
 419 {
 420         return floatToInt(m_position + v3f(0,0.5*BS,0), BS);
 421 }
 422
 423 void ItemCAO::updateNodePos()
 424 {
 425         if(m_node == NULL)
 426                 return;
 427
 428         m_node->setPosition(m_position);
 429 }
 430
 431 void ItemCAO::updateInfoText()
 432 {
 433         try{
 434                 IItemDefManager *idef = m_gamedef->idef();
 435                 ItemStack item;
 436                 item.deSerialize(m_itemstring, idef);
 437                 if(item.isKnown(idef))
 438                         m_infotext = item.getDefinition(idef).description;
 439                 else
 440                         m_infotext = "Unknown item: '" + m_itemstring + "'";
 441                 if(item.count >= 2)
 442                         m_infotext += " (" + itos(item.count) + ")";
 443         }
 444         catch(SerializationError &e)
 445         {
 446                 m_infotext = "Unknown item: '" + m_itemstring + "'";
 447         }
 448 }
 449
 450 void ItemCAO::updateTexture()
 451 {
 452         if(m_node == NULL)
 453                 return;
 454
 455         // Create an inventory item to see what is its image
 456         std::istringstream is(m_itemstring, std::ios_base::binary);
 457         video::ITexture *texture = NULL;
 458         try{
 459                 IItemDefManager *idef = m_gamedef->idef();
 460                 ItemStack item;
 461                 item.deSerialize(is, idef);
 462                 texture = item.getDefinition(idef).inventory_texture;
 463         }
 464         catch(SerializationError &e)
 465         {
 466                 infostream<<"WARNING: "<<__FUNCTION_NAME
 467                                 <<": error deSerializing itemstring \""
 468                                 <<m_itemstring<<std::endl;
 469         }
 470
 471         // Set meshbuffer texture
 472         m_node->getMaterial(0).setTexture(0, texture);
 473 }
 474
 475
 476 void ItemCAO::step(float dtime, ClientEnvironment *env)
 477 {
 478         if(m_node)
 479         {
 480                 /*v3f rot = m_node->getRotation();
 481                 rot.Y += dtime * 120;
 482                 m_node->setRotation(rot);*/
 483                 LocalPlayer *player = env->getLocalPlayer();
 484                 assert(player);
 485                 v3f rot = m_node->getRotation();
 486                 rot.Y = 180.0 - (player->getYaw());
 487                 m_node->setRotation(rot);
 488         }
 489 }
 490
 491 void ItemCAO::processMessage(const std::string &data)
 492 {
 493         //infostream<<"ItemCAO: Got message"<<std::endl;
 494         std::istringstream is(data, std::ios::binary);
 495         // command
 496         u8 cmd = readU8(is);
 497         if(cmd == 0)
 498         {
 499                 // pos
 500                 m_position = readV3F1000(is);
 501                 updateNodePos();
 502         }
 503         if(cmd == 1)
 504         {
 505                 // itemstring
 506                 m_itemstring = deSerializeString(is);
 507                 updateInfoText();
 508                 updateTexture();
 509         }
 510 }
 511
 512 void ItemCAO::initialize(const std::string &data)
 513 {
 514         infostream<<"ItemCAO: Got init data"<<std::endl;
 515
 516         {
 517                 std::istringstream is(data, std::ios::binary);
 518                 // version
 519                 u8 version = readU8(is);
 520                 // check version
 521                 if(version != 0)
 522                         return;
 523                 // pos
 524                 m_position = readV3F1000(is);
 525                 // itemstring
 526                 m_itemstring = deSerializeString(is);
 527         }
 528
 529         updateNodePos();
 530         updateInfoText();
 531 }
 532
 533 /*
 534         LuaEntityCAO
 535 */
 536
 537 #include "luaentity_common.h"
 538
 539 class LuaEntityCAO : public ClientActiveObject
 540 {
 541 private:
 542         scene::ISceneManager *m_smgr;
 543         core::aabbox3d<f32> m_selection_box;
 544         scene::IMeshSceneNode *m_meshnode;
 545         scene::IBillboardSceneNode *m_spritenode;
 546         v3f m_position;
 547         v3f m_velocity;
 548         v3f m_acceleration;
 549         float m_yaw;
 550         s16 m_hp;
 551         struct LuaEntityProperties *m_prop;
 552         SmoothTranslator pos_translator;
 553         // Spritesheet/animation stuff
 554         v2f m_tx_size;
 555         v2s16 m_tx_basepos;
 556         bool m_tx_select_horiz_by_yawpitch;
 557         int m_anim_frame;
 558         int m_anim_num_frames;
 559         float m_anim_framelength;
 560         float m_anim_timer;
 561         ItemGroupList m_armor_groups;
 562         float m_reset_textures_timer;
 563
 564 public:
 565         LuaEntityCAO(IGameDef *gamedef, ClientEnvironment *env):
 566                 ClientActiveObject(0, gamedef, env),
 567                 m_smgr(NULL),
 568                 m_selection_box(-BS/3.,-BS/3.,-BS/3., BS/3.,BS/3.,BS/3.),
 569                 m_meshnode(NULL),
 570                 m_spritenode(NULL),
 571                 m_position(v3f(0,10*BS,0)),
 572                 m_velocity(v3f(0,0,0)),
 573                 m_acceleration(v3f(0,0,0)),
 574                 m_yaw(0),
 575                 m_hp(1),
 576                 m_prop(new LuaEntityProperties),
 577                 m_tx_size(1,1),
 578                 m_tx_basepos(0,0),
 579                 m_tx_select_horiz_by_yawpitch(false),
 580                 m_anim_frame(0),
 581                 m_anim_num_frames(1),
 582                 m_anim_framelength(0.2),
 583                 m_anim_timer(0),
 584                 m_reset_textures_timer(-1)
 585         {
 586                 if(gamedef == NULL)
 587                         ClientActiveObject::registerType(getType(), create);
 588         }
 589
 590         void initialize(const std::string &data)
 591         {
 592                 infostream<<"LuaEntityCAO: Got init data"<<std::endl;
 593
 594                 std::istringstream is(data, std::ios::binary);
 595                 // version
 596                 u8 version = readU8(is);
 597                 // check version
 598                 if(version != 1)
 599                         return;
 600                 // pos
 601                 m_position = readV3F1000(is);
 602                 // yaw
 603                 m_yaw = readF1000(is);
 604                 // hp
 605                 m_hp = readS16(is);
 606                 // properties
 607                 std::istringstream prop_is(deSerializeLongString(is), std::ios::binary);
 608                 m_prop->deSerialize(prop_is);
 609
 610                 infostream<<"m_prop: "<<m_prop->dump()<<std::endl;
 611
 612                 m_selection_box = m_prop->collisionbox;
 613                 m_selection_box.MinEdge *= BS;
 614                 m_selection_box.MaxEdge *= BS;
 615
 616                 pos_translator.init(m_position);
 617
 618                 m_tx_size.X = 1.0 / m_prop->spritediv.X;
 619                 m_tx_size.Y = 1.0 / m_prop->spritediv.Y;
 620                 m_tx_basepos.X = m_tx_size.X * m_prop->initial_sprite_basepos.X;
 621                 m_tx_basepos.Y = m_tx_size.Y * m_prop->initial_sprite_basepos.Y;
 622
 623                 updateNodePos();
 624         }
 625
 626         ~LuaEntityCAO()
 627         {
 628                 delete m_prop;
 629         }
 630
 631         static ClientActiveObject* create(IGameDef *gamedef, ClientEnvironment *env)
 632         {
 633                 return new LuaEntityCAO(gamedef, env);
 634         }
 635
 636         u8 getType() const
 637         {
 638                 return ACTIVEOBJECT_TYPE_LUAENTITY;
 639         }
 640         core::aabbox3d<f32>* getSelectionBox()
 641         {
 642                 return &m_selection_box;
 643         }
 644         v3f getPosition()
 645         {
 646                 return pos_translator.vect_show;
 647         }
 648
 649         void addToScene(scene::ISceneManager *smgr, ITextureSource *tsrc,
 650                         IrrlichtDevice *irr)
 651         {
 652                 m_smgr = smgr;
 653
 654                 if(m_meshnode != NULL || m_spritenode != NULL)
 655                         return;
 656
 657                 //video::IVideoDriver* driver = smgr->getVideoDriver();
 658
 659                 if(m_prop->visual == "sprite"){
 660                         infostream<<"LuaEntityCAO::addToScene(): single_sprite"<<std::endl;
 661                         m_spritenode = smgr->addBillboardSceneNode(
 662                                         NULL, v2f(1, 1), v3f(0,0,0), -1);
 663                         m_spritenode->setMaterialTexture(0,
 664                                         tsrc->getTextureRaw("unknown_block.png"));
 665                         m_spritenode->setMaterialFlag(video::EMF_LIGHTING, false);
 666                         m_spritenode->setMaterialFlag(video::EMF_BILINEAR_FILTER, false);
 667                         m_spritenode->setMaterialType(video::EMT_TRANSPARENT_ALPHA_CHANNEL_REF);
 668                         m_spritenode->setMaterialFlag(video::EMF_FOG_ENABLE, true);
 669                         m_spritenode->setColor(video::SColor(255,0,0,0));
 670                         m_spritenode->setVisible(false); /* Set visible when brightness is known */
 671                         m_spritenode->setSize(m_prop->visual_size*BS);
 672                         {
 673                                 const float txs = 1.0 / 1;
 674                                 const float tys = 1.0 / 1;
 675                                 setBillboardTextureMatrix(m_spritenode,
 676                                                 txs, tys, 0, 0);
 677                         }
 678                 } else if(m_prop->visual == "cube"){
 679                         infostream<<"LuaEntityCAO::addToScene(): cube"<<std::endl;
 680                         scene::IMesh *mesh = createCubeMesh(v3f(BS,BS,BS));
 681                         m_meshnode = smgr->addMeshSceneNode(mesh, NULL);
 682                         mesh->drop();
 683
 684                         m_meshnode->setScale(v3f(1));
 685                         // Will be shown when we know the brightness
 686                         m_meshnode->setVisible(false);
 687                 } else {
 688                         infostream<<"LuaEntityCAO::addToScene(): \""<<m_prop->visual
 689                                         <<"\" not supported"<<std::endl;
 690                 }
 691                 updateTextures("");
 692                 updateNodePos();
 693         }
 694
 695         void removeFromScene()
 696         {
 697                 if(m_meshnode){
 698                         m_meshnode->remove();
 699                         m_meshnode = NULL;
 700                 }
 701                 if(m_spritenode){
 702                         m_spritenode->remove();
 703                         m_spritenode = NULL;
 704                 }
 705         }
 706
 707         void updateLight(u8 light_at_pos)
 708         {
 709                 bool is_visible = (m_hp != 0);
 710                 u8 li = decode_light(light_at_pos);
 711                 video::SColor color(255,li,li,li);
 712                 if(m_meshnode){
 713                         setMeshColor(m_meshnode->getMesh(), color);
 714                         m_meshnode->setVisible(is_visible);
 715                 }
 716                 if(m_spritenode){
 717                         m_spritenode->setColor(color);
 718                         m_spritenode->setVisible(is_visible);
 719                 }
 720         }
 721
 722         v3s16 getLightPosition()
 723         {
 724                 return floatToInt(m_position, BS);
 725         }
 726
 727         void updateNodePos()
 728         {
 729                 if(m_meshnode){
 730                         m_meshnode->setPosition(pos_translator.vect_show);
 731                 }
 732                 if(m_spritenode){
 733                         m_spritenode->setPosition(pos_translator.vect_show);
 734                 }
 735         }
 736
 737         void step(float dtime, ClientEnvironment *env)
 738         {
 739                 if(m_prop->physical){
 740                         core::aabbox3d<f32> box = m_prop->collisionbox;
 741                         box.MinEdge *= BS;
 742                         box.MaxEdge *= BS;
 743                         collisionMoveResult moveresult;
 744                         f32 pos_max_d = BS*0.25; // Distance per iteration
 745                         v3f p_pos = m_position;
 746                         v3f p_velocity = m_velocity;
 747                         IGameDef *gamedef = env->getGameDef();
 748                         moveresult = collisionMovePrecise(&env->getMap(), gamedef,
 749                                         pos_max_d, box, dtime, p_pos, p_velocity);
 750                         // Apply results
 751                         m_position = p_pos;
 752                         m_velocity = p_velocity;
 753
 754                         bool is_end_position = moveresult.collides;
 755                         pos_translator.update(m_position, is_end_position, dtime);
 756                         pos_translator.translate(dtime);
 757                         updateNodePos();
 758
 759                         m_velocity += dtime * m_acceleration;
 760                 } else {
 761                         m_position += dtime * m_velocity + 0.5 * dtime * dtime * m_acceleration;
 762                         m_velocity += dtime * m_acceleration;
 763                         pos_translator.update(m_position, pos_translator.aim_is_end, pos_translator.anim_time);
 764                         pos_translator.translate(dtime);
 765                         updateNodePos();
 766                 }
 767
 768                 m_anim_timer += dtime;
 769                 if(m_anim_timer >= m_anim_framelength){
 770                         m_anim_timer -= m_anim_framelength;
 771                         m_anim_frame++;
 772                         if(m_anim_frame >= m_anim_num_frames)
 773                                 m_anim_frame = 0;
 774                 }
 775
 776                 updateTexturePos();
 777
 778                 if(m_reset_textures_timer >= 0){
 779                         m_reset_textures_timer -= dtime;
 780                         if(m_reset_textures_timer <= 0){
 781                                 m_reset_textures_timer = -1;
 782                                 updateTextures("");
 783                         }
 784                 }
 785         }
 786
 787         void updateTexturePos()
 788         {
 789                 if(m_spritenode){
 790                         scene::ICameraSceneNode* camera =
 791                                         m_spritenode->getSceneManager()->getActiveCamera();
 792                         if(!camera)
 793                                 return;
 794                         v3f cam_to_entity = m_spritenode->getAbsolutePosition()
 795                                         - camera->getAbsolutePosition();
 796                         cam_to_entity.normalize();
 797
 798                         int row = m_tx_basepos.Y;
 799                         int col = m_tx_basepos.X;
 800
 801                         if(m_tx_select_horiz_by_yawpitch)
 802                         {
 803                                 if(cam_to_entity.Y > 0.75)
 804                                         col += 5;
 805                                 else if(cam_to_entity.Y < -0.75)
 806                                         col += 4;
 807                                 else{
 808                                         float mob_dir = atan2(cam_to_entity.Z, cam_to_entity.X) / PI * 180.;
 809                                         float dir = mob_dir - m_yaw;
 810                                         dir = wrapDegrees_180(dir);
 811                                         //infostream<<"id="<<m_id<<" dir="<<dir<<std::endl;
 812                                         if(fabs(wrapDegrees_180(dir - 0)) <= 45.1)
 813                                                 col += 2;
 814                                         else if(fabs(wrapDegrees_180(dir - 90)) <= 45.1)
 815                                                 col += 3;
 816                                         else if(fabs(wrapDegrees_180(dir - 180)) <= 45.1)
 817                                                 col += 0;
 818                                         else if(fabs(wrapDegrees_180(dir + 90)) <= 45.1)
 819                                                 col += 1;
 820                                         else
 821                                                 col += 4;
 822                                 }
 823                         }
 824
 825                         // Animation goes downwards
 826                         row += m_anim_frame;
 827
 828                         float txs = m_tx_size.X;
 829                         float tys = m_tx_size.Y;
 830                         setBillboardTextureMatrix(m_spritenode,
 831                                         txs, tys, col, row);
 832                 }
 833         }
 834
 835         void updateTextures(const std::string &mod)
 836         {
 837                 ITextureSource *tsrc = m_gamedef->tsrc();
 838
 839                 if(m_spritenode){
 840                         std::string texturestring = "unknown_block.png";
 841                         if(m_prop->textures.size() >= 1)
 842                                 texturestring = m_prop->textures[0];
 843                         texturestring += mod;
 844                         m_spritenode->setMaterialTexture(0,
 845                                         tsrc->getTextureRaw(texturestring));
 846                 }
 847                 if(m_meshnode){
 848                         for (u32 i = 0; i < 6; ++i)
 849                         {
 850                                 std::string texturestring = "unknown_block.png";
 851                                 if(m_prop->textures.size() > i)
 852                                         texturestring = m_prop->textures[i];
 853                                 texturestring += mod;
 854                                 AtlasPointer ap = tsrc->getTexture(texturestring);
 855
 856                                 // Get the tile texture and atlas transformation
 857                                 video::ITexture* atlas = ap.atlas;
 858                                 v2f pos = ap.pos;
 859                                 v2f size = ap.size;
 860
 861                                 // Set material flags and texture
 862                                 video::SMaterial& material = m_meshnode->getMaterial(i);
 863                                 material.setFlag(video::EMF_LIGHTING, false);
 864                                 material.setFlag(video::EMF_BILINEAR_FILTER, false);
 865                                 material.setTexture(0, atlas);
 866                                 material.getTextureMatrix(0).setTextureTranslate(pos.X, pos.Y);
 867                                 material.getTextureMatrix(0).setTextureScale(size.X, size.Y);
 868                         }
 869                 }
 870         }
 871
 872         void processMessage(const std::string &data)
 873         {
 874                 //infostream<<"LuaEntityCAO: Got message"<<std::endl;
 875                 std::istringstream is(data, std::ios::binary);
 876                 // command
 877                 u8 cmd = readU8(is);
 878                 if(cmd == LUAENTITY_CMD_UPDATE_POSITION) // update position
 879                 {
 880                         // do_interpolate
 881                         bool do_interpolate = readU8(is);
 882                         // pos
 883                         m_position = readV3F1000(is);
 884                         // velocity
 885                         m_velocity = readV3F1000(is);
 886                         // acceleration
 887                         m_acceleration = readV3F1000(is);
 888                         // yaw
 889                         m_yaw = readF1000(is);
 890                         // is_end_position (for interpolation)
 891                         bool is_end_position = readU8(is);
 892                         // update_interval
 893                         float update_interval = readF1000(is);
 894
 895                         if(do_interpolate){
 896                                 if(!m_prop->physical)
 897                                         pos_translator.update(m_position, is_end_position, update_interval);
 898                         } else {
 899                                 pos_translator.init(m_position);
 900                         }
 901                         updateNodePos();
 902                 }
 903                 else if(cmd == LUAENTITY_CMD_SET_TEXTURE_MOD) // set texture modification
 904                 {
 905                         std::string mod = deSerializeString(is);
 906                         updateTextures(mod);
 907                 }
 908                 else if(cmd == LUAENTITY_CMD_SET_SPRITE) // set sprite
 909                 {
 910                         v2s16 p = readV2S16(is);
 911                         int num_frames = readU16(is);
 912                         float framelength = readF1000(is);
 913                         bool select_horiz_by_yawpitch = readU8(is);
 914
 915                         m_tx_basepos = p;
 916                         m_anim_num_frames = num_frames;
 917                         m_anim_framelength = framelength;
 918                         m_tx_select_horiz_by_yawpitch = select_horiz_by_yawpitch;
 919
 920                         updateTexturePos();
 921                 }
 922                 else if(cmd == LUAENTITY_CMD_PUNCHED)
 923                 {
 924                         /*s16 damage =*/ readS16(is);
 925                         s16 result_hp = readS16(is);
 926
 927                         m_hp = result_hp;
 928                         // TODO: Execute defined fast response
 929                 }
 930                 else if(cmd == LUAENTITY_CMD_UPDATE_ARMOR_GROUPS)
 931                 {
 932                         m_armor_groups.clear();
 933                         int armor_groups_size = readU16(is);
 934                         for(int i=0; i<armor_groups_size; i++){
 935                                 std::string name = deSerializeString(is);
 936                                 int rating = readS16(is);
 937                                 m_armor_groups[name] = rating;
 938                         }
 939                 }
 940         }
 941
 942         bool directReportPunch(v3f dir, const ItemStack *punchitem=NULL,
 943                         float time_from_last_punch=1000000)
 944         {
 945                 assert(punchitem);
 946                 const ToolCapabilities *toolcap =
 947                                 &punchitem->getToolCapabilities(m_gamedef->idef());
 948                 PunchDamageResult result = getPunchDamage(
 949                                 m_armor_groups,
 950                                 toolcap,
 951                                 punchitem,
 952                                 time_from_last_punch);
 953
 954                 if(result.did_punch && result.damage != 0)
 955                 {
 956                         if(result.damage < m_hp){
 957                                 m_hp -= result.damage;
 958                         } else {
 959                                 m_hp = 0;
 960                                 // TODO: Execute defined fast response
 961                                 // As there is no definition, make a smoke puff
 962                                 ClientSimpleObject *simple = createSmokePuff(
 963                                                 m_smgr, m_env, m_position,
 964                                                 m_prop->visual_size * BS);
 965                                 m_env->addSimpleObject(simple);
 966                         }
 967                         // TODO: Execute defined fast response
 968                         // Flashing shall suffice as there is no definition
 969                         updateTextures("^[brighten");
 970                         m_reset_textures_timer = 0.1;
 971                 }
 972
 973                 return false;
 974         }
 975
 976         std::string debugInfoText()
 977         {
 978                 std::ostringstream os(std::ios::binary);
 979                 os<<"LuaEntityCAO hp="<<m_hp<<"\n";
 980                 os<<"armor={";
 981                 for(ItemGroupList::const_iterator i = m_armor_groups.begin();
 982                                 i != m_armor_groups.end(); i++){
 983                         os<<i->first<<"="<<i->second<<", ";
 984                 }
 985                 os<<"}";
 986                 return os.str();
 987         }
 988 };
 989
 990 // Prototype
 991 LuaEntityCAO proto_LuaEntityCAO(NULL, NULL);
 992
 993 /*
 994         PlayerCAO
 995 */
 996
 997 class PlayerCAO : public ClientActiveObject
 998 {
 999 private:
1000         core::aabbox3d<f32> m_selection_box;
1001         scene::IMeshSceneNode *m_node;
1002         scene::ITextSceneNode* m_text;
1003         std::string m_name;
1004         v3f m_position;
1005         float m_yaw;
1006         SmoothTranslator pos_translator;
1007         bool m_is_local_player;
1008         LocalPlayer *m_local_player;
1009         float m_damage_visual_timer;
1010         bool m_dead;
1011
1012 public:
1013         PlayerCAO(IGameDef *gamedef, ClientEnvironment *env):
1014                 ClientActiveObject(0, gamedef, env),
1015                 m_selection_box(-BS/3.,0.0,-BS/3., BS/3.,BS*2.0,BS/3.),
1016                 m_node(NULL),
1017                 m_text(NULL),
1018                 m_position(v3f(0,10*BS,0)),
1019                 m_yaw(0),
1020                 m_is_local_player(false),
1021                 m_local_player(NULL),
1022                 m_damage_visual_timer(0),
1023                 m_dead(false)
1024         {
1025                 if(gamedef == NULL)
1026                         ClientActiveObject::registerType(getType(), create);
1027         }
1028
1029         void initialize(const std::string &data)
1030         {
1031                 infostream<<"PlayerCAO: Got init data"<<std::endl;
1032
1033                 std::istringstream is(data, std::ios::binary);
1034                 // version
1035                 u8 version = readU8(is);
1036                 // check version
1037                 if(version != 0)
1038                         return;
1039                 // name
1040                 m_name = deSerializeString(is);
1041                 // pos
1042                 m_position = readV3F1000(is);
1043                 // yaw
1044                 m_yaw = readF1000(is);
1045                 // dead
1046                 m_dead = readU8(is);
1047
1048                 pos_translator.init(m_position);
1049
1050                 Player *player = m_env->getPlayer(m_name.c_str());
1051                 if(player && player->isLocal()){
1052                         m_is_local_player = true;
1053                         m_local_player = (LocalPlayer*)player;
1054                 }
1055         }
1056
1057         ~PlayerCAO()
1058         {
1059                 if(m_node)
1060                         m_node->remove();
1061         }
1062
1063         static ClientActiveObject* create(IGameDef *gamedef, ClientEnvironment *env)
1064         {
1065                 return new PlayerCAO(gamedef, env);
1066         }
1067
1068         u8 getType() const
1069         {
1070                 return ACTIVEOBJECT_TYPE_PLAYER;
1071         }
1072         core::aabbox3d<f32>* getSelectionBox()
1073         {
1074                 if(m_is_local_player)
1075                         return NULL;
1076                 if(m_dead)
1077                         return NULL;
1078                 return &m_selection_box;
1079         }
1080         v3f getPosition()
1081         {
1082                 return pos_translator.vect_show;
1083         }
1084
1085         void addToScene(scene::ISceneManager *smgr, ITextureSource *tsrc,
1086                         IrrlichtDevice *irr)
1087         {
1088                 if(m_node != NULL)
1089                         return;
1090                 if(m_is_local_player)
1091                         return;
1092
1093                 //video::IVideoDriver* driver = smgr->getVideoDriver();
1094                 gui::IGUIEnvironment* gui = irr->getGUIEnvironment();
1095
1096                 scene::SMesh *mesh = new scene::SMesh();
1097                 { // Front
1098                 scene::IMeshBuffer *buf = new scene::SMeshBuffer();
1099                 video::SColor c(255,255,255,255);
1100                 video::S3DVertex vertices[4] =
1101                 {
1102                         video::S3DVertex(-BS/2,0,0, 0,0,0, c, 0,1),
1103                         video::S3DVertex(BS/2,0,0, 0,0,0, c, 1,1),
1104                         video::S3DVertex(BS/2,BS*2,0, 0,0,0, c, 1,0),
1105                         video::S3DVertex(-BS/2,BS*2,0, 0,0,0, c, 0,0),
1106                 };
1107                 u16 indices[] = {0,1,2,2,3,0};
1108                 buf->append(vertices, 4, indices, 6);
1109                 // Set material
1110                 buf->getMaterial().setFlag(video::EMF_LIGHTING, false);
1111                 buf->getMaterial().setFlag(video::EMF_BILINEAR_FILTER, false);
1112                 buf->getMaterial().setFlag(video::EMF_FOG_ENABLE, true);
1113                 buf->getMaterial().MaterialType = video::EMT_TRANSPARENT_ALPHA_CHANNEL;
1114                 // Add to mesh
1115                 mesh->addMeshBuffer(buf);
1116                 buf->drop();
1117                 }
1118                 { // Back
1119                 scene::IMeshBuffer *buf = new scene::SMeshBuffer();
1120                 video::SColor c(255,255,255,255);
1121                 video::S3DVertex vertices[4] =
1122                 {
1123                         video::S3DVertex(BS/2,0,0, 0,0,0, c, 1,1),
1124                         video::S3DVertex(-BS/2,0,0, 0,0,0, c, 0,1),
1125                         video::S3DVertex(-BS/2,BS*2,0, 0,0,0, c, 0,0),
1126                         video::S3DVertex(BS/2,BS*2,0, 0,0,0, c, 1,0),
1127                 };
1128                 u16 indices[] = {0,1,2,2,3,0};
1129                 buf->append(vertices, 4, indices, 6);
1130                 // Set material
1131                 buf->getMaterial().setFlag(video::EMF_LIGHTING, false);
1132                 buf->getMaterial().setFlag(video::EMF_BILINEAR_FILTER, false);
1133                 buf->getMaterial().setFlag(video::EMF_FOG_ENABLE, true);
1134                 buf->getMaterial().MaterialType = video::EMT_TRANSPARENT_ALPHA_CHANNEL_REF;
1135                 // Add to mesh
1136                 mesh->addMeshBuffer(buf);
1137                 buf->drop();
1138                 }
1139                 m_node = smgr->addMeshSceneNode(mesh, NULL);
1140                 mesh->drop();
1141                 // Set it to use the materials of the meshbuffers directly.
1142                 // This is needed for changing the texture in the future
1143                 m_node->setReadOnlyMaterials(true);
1144                 updateNodePos();
1145
1146                 // Add a text node for showing the name
1147                 std::wstring wname = narrow_to_wide(m_name);
1148                 m_text = smgr->addTextSceneNode(gui->getBuiltInFont(),
1149                                 wname.c_str(), video::SColor(255,255,255,255), m_node);
1150                 m_text->setPosition(v3f(0, (f32)BS*2.1, 0));
1151
1152                 updateTextures("");
1153                 updateVisibility();
1154                 updateNodePos();
1155         }
1156
1157         void removeFromScene()
1158         {
1159                 if(m_node == NULL)
1160                         return;
1161
1162                 m_node->remove();
1163                 m_node = NULL;
1164         }
1165
1166         void updateLight(u8 light_at_pos)
1167         {
1168                 if(m_node == NULL)
1169                         return;
1170
1171                 u8 li = decode_light(light_at_pos);
1172                 video::SColor color(255,li,li,li);
1173                 setMeshColor(m_node->getMesh(), color);
1174
1175                 updateVisibility();
1176         }
1177
1178         v3s16 getLightPosition()
1179         {
1180                 return floatToInt(m_position+v3f(0,BS*1.5,0), BS);
1181         }
1182
1183         void updateVisibility()
1184         {
1185                 if(m_node == NULL)
1186                         return;
1187
1188                 m_node->setVisible(!m_dead);
1189         }
1190
1191         void updateNodePos()
1192         {
1193                 if(m_node == NULL)
1194                         return;
1195
1196                 m_node->setPosition(pos_translator.vect_show);
1197
1198                 v3f rot = m_node->getRotation();
1199                 rot.Y = -m_yaw;
1200                 m_node->setRotation(rot);
1201         }
1202
1203         void step(float dtime, ClientEnvironment *env)
1204         {
1205                 pos_translator.translate(dtime);
1206                 updateVisibility();
1207                 updateNodePos();
1208
1209                 if(m_damage_visual_timer > 0){
1210                         m_damage_visual_timer -= dtime;
1211                         if(m_damage_visual_timer <= 0){
1212                                 updateTextures("");
1213                         }
1214                 }
1215         }
1216
1217         void processMessage(const std::string &data)
1218         {
1219                 //infostream<<"PlayerCAO: Got message"<<std::endl;
1220                 std::istringstream is(data, std::ios::binary);
1221                 // command
1222                 u8 cmd = readU8(is);
1223                 if(cmd == 0) // update position
1224                 {
1225                         // pos
1226                         m_position = readV3F1000(is);
1227                         // yaw
1228                         m_yaw = readF1000(is);
1229
1230                         pos_translator.update(m_position, false);
1231
1232                         updateNodePos();
1233                 }
1234                 else if(cmd == 1) // punched
1235                 {
1236                         // damage
1237                         s16 damage = readS16(is);
1238                         m_damage_visual_timer = 0.05;
1239                         if(damage >= 2)
1240                                 m_damage_visual_timer += 0.05 * damage;
1241                         updateTextures("^[brighten");
1242                 }
1243                 else if(cmd == 2) // died or respawned
1244                 {
1245                         m_dead = readU8(is);
1246                         updateVisibility();
1247                 }
1248         }
1249
1250         void updateTextures(const std::string &mod)
1251         {
1252                 if(!m_node)
1253                         return;
1254                 ITextureSource *tsrc = m_gamedef->tsrc();
1255                 scene::IMesh *mesh = m_node->getMesh();
1256                 if(mesh){
1257                         {
1258                                 std::string tname = "player.png";
1259                                 tname += mod;
1260                                 scene::IMeshBuffer *buf = mesh->getMeshBuffer(0);
1261                                 buf->getMaterial().setTexture(0,
1262                                                 tsrc->getTextureRaw(tname));
1263                         }
1264                         {
1265                                 std::string tname = "player_back.png";
1266                                 tname += mod;
1267                                 scene::IMeshBuffer *buf = mesh->getMeshBuffer(1);
1268                                 buf->getMaterial().setTexture(0,
1269                                                 tsrc->getTextureRaw(tname));
1270                         }
1271                 }
1272         }
1273 };
1274
1275 // Prototype
1276 PlayerCAO proto_PlayerCAO(NULL, NULL);
1277
1278