/*
Minetest-c55
-Copyright (C) 2010 celeron55, Perttu Ahola <celeron55@gmail.com>
+Copyright (C) 2010-2011 celeron55, Perttu Ahola <celeron55@gmail.com>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
*/
#include "environment.h"
-#include "main.h" // g_device for timing debug
+#include "filesys.h"
+#include "porting.h"
+#include "collision.h"
+#include "content_mapnode.h"
+#include "mapblock.h"
+#include "serverobject.h"
+#include "content_sao.h"
-Environment::Environment(Map *map, std::ostream &dout):
- m_dout(dout)
+Environment::Environment():
+ m_time_of_day(9000)
{
- m_map = map;
}
Environment::~Environment()
{
delete (*i);
}
+}
+
+void Environment::addPlayer(Player *player)
+{
+ DSTACK(__FUNCTION_NAME);
+ /*
+ Check that peer_ids are unique.
+ Also check that names are unique.
+ Exception: there can be multiple players with peer_id=0
+ */
+ // If peer id is non-zero, it has to be unique.
+ if(player->peer_id != 0)
+ assert(getPlayer(player->peer_id) == NULL);
+ // Name has to be unique.
+ assert(getPlayer(player->getName()) == NULL);
+ // Add.
+ m_players.push_back(player);
+}
+
+void Environment::removePlayer(u16 peer_id)
+{
+ DSTACK(__FUNCTION_NAME);
+re_search:
+ for(core::list<Player*>::Iterator i = m_players.begin();
+ i != m_players.end(); i++)
+ {
+ Player *player = *i;
+ if(player->peer_id != peer_id)
+ continue;
+
+ delete player;
+ m_players.erase(i);
+ // See if there is an another one
+ // (shouldn't be, but just to be sure)
+ goto re_search;
+ }
+}
+
+Player * Environment::getPlayer(u16 peer_id)
+{
+ for(core::list<Player*>::Iterator i = m_players.begin();
+ i != m_players.end(); i++)
+ {
+ Player *player = *i;
+ if(player->peer_id == peer_id)
+ return player;
+ }
+ return NULL;
+}
+
+Player * Environment::getPlayer(const char *name)
+{
+ for(core::list<Player*>::Iterator i = m_players.begin();
+ i != m_players.end(); i++)
+ {
+ Player *player = *i;
+ if(strcmp(player->getName(), name) == 0)
+ return player;
+ }
+ return NULL;
+}
+
+Player * Environment::getRandomConnectedPlayer()
+{
+ core::list<Player*> connected_players = getPlayers(true);
+ u32 chosen_one = myrand() % connected_players.size();
+ u32 j = 0;
+ for(core::list<Player*>::Iterator
+ i = connected_players.begin();
+ i != connected_players.end(); i++)
+ {
+ if(j == chosen_one)
+ {
+ Player *player = *i;
+ return player;
+ }
+ j++;
+ }
+ return NULL;
+}
+
+Player * Environment::getNearestConnectedPlayer(v3f pos)
+{
+ core::list<Player*> connected_players = getPlayers(true);
+ f32 nearest_d = 0;
+ Player *nearest_player = NULL;
+ for(core::list<Player*>::Iterator
+ i = connected_players.begin();
+ i != connected_players.end(); i++)
+ {
+ Player *player = *i;
+ f32 d = player->getPosition().getDistanceFrom(pos);
+ if(d < nearest_d || nearest_player == NULL)
+ {
+ nearest_d = d;
+ nearest_player = player;
+ }
+ }
+ return nearest_player;
+}
+
+core::list<Player*> Environment::getPlayers()
+{
+ return m_players;
+}
+
+core::list<Player*> Environment::getPlayers(bool ignore_disconnected)
+{
+ core::list<Player*> newlist;
+ for(core::list<Player*>::Iterator
+ i = m_players.begin();
+ i != m_players.end(); i++)
+ {
+ Player *player = *i;
+
+ if(ignore_disconnected)
+ {
+ // Ignore disconnected players
+ if(player->peer_id == 0)
+ continue;
+ }
+
+ newlist.push_back(player);
+ }
+ return newlist;
+}
+
+void Environment::printPlayers(std::ostream &o)
+{
+ o<<"Players in environment:"<<std::endl;
+ for(core::list<Player*>::Iterator i = m_players.begin();
+ i != m_players.end(); i++)
+ {
+ Player *player = *i;
+ o<<"Player peer_id="<<player->peer_id<<std::endl;
+ }
+}
+
+/*void Environment::setDayNightRatio(u32 r)
+{
+ getDayNightRatio() = r;
+}*/
+
+u32 Environment::getDayNightRatio()
+{
+ //return getDayNightRatio();
+ return time_to_daynight_ratio(m_time_of_day);
+}
+
+/*
+ ActiveBlockList
+*/
+
+void fillRadiusBlock(v3s16 p0, s16 r, core::map<v3s16, bool> &list)
+{
+ v3s16 p;
+ for(p.X=p0.X-r; p.X<=p0.X+r; p.X++)
+ for(p.Y=p0.Y-r; p.Y<=p0.Y+r; p.Y++)
+ for(p.Z=p0.Z-r; p.Z<=p0.Z+r; p.Z++)
+ {
+ // Set in list
+ list[p] = true;
+ }
+}
+
+void ActiveBlockList::update(core::list<v3s16> &active_positions,
+ s16 radius,
+ core::map<v3s16, bool> &blocks_removed,
+ core::map<v3s16, bool> &blocks_added)
+{
+ /*
+ Create the new list
+ */
+ core::map<v3s16, bool> newlist;
+ for(core::list<v3s16>::Iterator i = active_positions.begin();
+ i != active_positions.end(); i++)
+ {
+ fillRadiusBlock(*i, radius, newlist);
+ }
+
+ /*
+ Find out which blocks on the old list are not on the new list
+ */
+ // Go through old list
+ for(core::map<v3s16, bool>::Iterator i = m_list.getIterator();
+ i.atEnd()==false; i++)
+ {
+ v3s16 p = i.getNode()->getKey();
+ // If not on new list, it's been removed
+ if(newlist.find(p) == NULL)
+ blocks_removed.insert(p, true);
+ }
+
+ /*
+ Find out which blocks on the new list are not on the old list
+ */
+ // Go through new list
+ for(core::map<v3s16, bool>::Iterator i = newlist.getIterator();
+ i.atEnd()==false; i++)
+ {
+ v3s16 p = i.getNode()->getKey();
+ // If not on old list, it's been added
+ if(m_list.find(p) == NULL)
+ blocks_added.insert(p, true);
+ }
+
+ /*
+ Update m_list
+ */
+ m_list.clear();
+ for(core::map<v3s16, bool>::Iterator i = newlist.getIterator();
+ i.atEnd()==false; i++)
+ {
+ v3s16 p = i.getNode()->getKey();
+ m_list.insert(p, true);
+ }
+}
+
+/*
+ ServerEnvironment
+*/
+
+ServerEnvironment::ServerEnvironment(ServerMap *map, Server *server):
+ m_map(map),
+ m_server(server),
+ m_random_spawn_timer(3),
+ m_send_recommended_timer(0),
+ m_game_time(0),
+ m_game_time_fraction_counter(0)
+{
+}
+
+ServerEnvironment::~ServerEnvironment()
+{
+ // Clear active block list.
+ // This makes the next one delete all active objects.
+ m_active_blocks.clear();
+
+ // Convert all objects to static and delete the active objects
+ deactivateFarObjects(true);
+
+ // Drop/delete map
+ m_map->drop();
+}
+
+void ServerEnvironment::serializePlayers(const std::string &savedir)
+{
+ std::string players_path = savedir + "/players";
+ fs::CreateDir(players_path);
+
+ core::map<Player*, bool> saved_players;
+
+ std::vector<fs::DirListNode> player_files = fs::GetDirListing(players_path);
+ for(u32 i=0; i<player_files.size(); i++)
+ {
+ if(player_files[i].dir)
+ continue;
+
+ // Full path to this file
+ std::string path = players_path + "/" + player_files[i].name;
+
+ //dstream<<"Checking player file "<<path<<std::endl;
+
+ // Load player to see what is its name
+ ServerRemotePlayer testplayer;
+ {
+ // Open file and deserialize
+ std::ifstream is(path.c_str(), std::ios_base::binary);
+ if(is.good() == false)
+ {
+ dstream<<"Failed to read "<<path<<std::endl;
+ continue;
+ }
+ testplayer.deSerialize(is);
+ }
+
+ //dstream<<"Loaded test player with name "<<testplayer.getName()<<std::endl;
+
+ // Search for the player
+ std::string playername = testplayer.getName();
+ Player *player = getPlayer(playername.c_str());
+ if(player == NULL)
+ {
+ dstream<<"Didn't find matching player, ignoring file "<<path<<std::endl;
+ continue;
+ }
+
+ //dstream<<"Found matching player, overwriting."<<std::endl;
+
+ // OK, found. Save player there.
+ {
+ // Open file and serialize
+ std::ofstream os(path.c_str(), std::ios_base::binary);
+ if(os.good() == false)
+ {
+ dstream<<"Failed to overwrite "<<path<<std::endl;
+ continue;
+ }
+ player->serialize(os);
+ saved_players.insert(player, true);
+ }
+ }
+
+ for(core::list<Player*>::Iterator i = m_players.begin();
+ i != m_players.end(); i++)
+ {
+ Player *player = *i;
+ if(saved_players.find(player) != NULL)
+ {
+ /*dstream<<"Player "<<player->getName()
+ <<" was already saved."<<std::endl;*/
+ continue;
+ }
+ std::string playername = player->getName();
+ // Don't save unnamed player
+ if(playername == "")
+ {
+ //dstream<<"Not saving unnamed player."<<std::endl;
+ continue;
+ }
+ /*
+ Find a sane filename
+ */
+ if(string_allowed(playername, PLAYERNAME_ALLOWED_CHARS) == false)
+ playername = "player";
+ std::string path = players_path + "/" + playername;
+ bool found = false;
+ for(u32 i=0; i<1000; i++)
+ {
+ if(fs::PathExists(path) == false)
+ {
+ found = true;
+ break;
+ }
+ path = players_path + "/" + playername + itos(i);
+ }
+ if(found == false)
+ {
+ dstream<<"WARNING: Didn't find free file for player"<<std::endl;
+ continue;
+ }
+
+ {
+ /*dstream<<"Saving player "<<player->getName()<<" to "
+ <<path<<std::endl;*/
+ // Open file and serialize
+ std::ofstream os(path.c_str(), std::ios_base::binary);
+ if(os.good() == false)
+ {
+ dstream<<"WARNING: Failed to overwrite "<<path<<std::endl;
+ continue;
+ }
+ player->serialize(os);
+ saved_players.insert(player, true);
+ }
+ }
+
+ //dstream<<"Saved "<<saved_players.size()<<" players."<<std::endl;
+}
+
+void ServerEnvironment::deSerializePlayers(const std::string &savedir)
+{
+ std::string players_path = savedir + "/players";
+
+ core::map<Player*, bool> saved_players;
+
+ std::vector<fs::DirListNode> player_files = fs::GetDirListing(players_path);
+ for(u32 i=0; i<player_files.size(); i++)
+ {
+ if(player_files[i].dir)
+ continue;
+
+ // Full path to this file
+ std::string path = players_path + "/" + player_files[i].name;
+
+ dstream<<"Checking player file "<<path<<std::endl;
+
+ // Load player to see what is its name
+ ServerRemotePlayer testplayer;
+ {
+ // Open file and deserialize
+ std::ifstream is(path.c_str(), std::ios_base::binary);
+ if(is.good() == false)
+ {
+ dstream<<"Failed to read "<<path<<std::endl;
+ continue;
+ }
+ testplayer.deSerialize(is);
+ }
+
+ if(!string_allowed(testplayer.getName(), PLAYERNAME_ALLOWED_CHARS))
+ {
+ dstream<<"Not loading player with invalid name: "
+ <<testplayer.getName()<<std::endl;
+ }
+
+ dstream<<"Loaded test player with name "<<testplayer.getName()
+ <<std::endl;
+
+ // Search for the player
+ std::string playername = testplayer.getName();
+ Player *player = getPlayer(playername.c_str());
+ bool newplayer = false;
+ if(player == NULL)
+ {
+ dstream<<"Is a new player"<<std::endl;
+ player = new ServerRemotePlayer();
+ newplayer = true;
+ }
+
+ // Load player
+ {
+ dstream<<"Reading player "<<testplayer.getName()<<" from "
+ <<path<<std::endl;
+ // Open file and deserialize
+ std::ifstream is(path.c_str(), std::ios_base::binary);
+ if(is.good() == false)
+ {
+ dstream<<"Failed to read "<<path<<std::endl;
+ continue;
+ }
+ player->deSerialize(is);
+ }
+
+ if(newplayer)
+ addPlayer(player);
+ }
+}
+
+void ServerEnvironment::saveMeta(const std::string &savedir)
+{
+ std::string path = savedir + "/env_meta.txt";
+
+ // Open file and serialize
+ std::ofstream os(path.c_str(), std::ios_base::binary);
+ if(os.good() == false)
+ {
+ dstream<<"WARNING: ServerEnvironment::saveMeta(): Failed to open "
+ <<path<<std::endl;
+ throw SerializationError("Couldn't save env meta");
+ }
+
+ Settings args;
+ args.setU64("game_time", m_game_time);
+ args.setU64("time_of_day", getTimeOfDay());
+ args.writeLines(os);
+ os<<"EnvArgsEnd\n";
+}
+
+void ServerEnvironment::loadMeta(const std::string &savedir)
+{
+ std::string path = savedir + "/env_meta.txt";
+
+ // Open file and deserialize
+ std::ifstream is(path.c_str(), std::ios_base::binary);
+ if(is.good() == false)
+ {
+ dstream<<"WARNING: ServerEnvironment::loadMeta(): Failed to open "
+ <<path<<std::endl;
+ throw SerializationError("Couldn't load env meta");
+ }
+
+ Settings args;
+
+ for(;;)
+ {
+ if(is.eof())
+ throw SerializationError
+ ("ServerEnvironment::loadMeta(): EnvArgsEnd not found");
+ std::string line;
+ std::getline(is, line);
+ std::string trimmedline = trim(line);
+ if(trimmedline == "EnvArgsEnd")
+ break;
+ args.parseConfigLine(line);
+ }
+
+ try{
+ m_game_time = args.getU64("game_time");
+ }catch(SettingNotFoundException &e){
+ // Getting this is crucial, otherwise timestamps are useless
+ throw SerializationError("Couldn't load env meta game_time");
+ }
+
+ try{
+ m_time_of_day = args.getU64("time_of_day");
+ }catch(SettingNotFoundException &e){
+ // This is not as important
+ m_time_of_day = 9000;
+ }
+}
+
+#if 0
+// This is probably very useless
+void spawnRandomObjects(MapBlock *block)
+{
+ for(s16 z0=0; z0<MAP_BLOCKSIZE; z0++)
+ for(s16 x0=0; x0<MAP_BLOCKSIZE; x0++)
+ {
+ bool last_node_walkable = false;
+ for(s16 y0=0; y0<MAP_BLOCKSIZE; y0++)
+ {
+ v3s16 p(x0,y0,z0);
+ MapNode n = block->getNodeNoEx(p);
+ if(n.getContent() == CONTENT_IGNORE)
+ continue;
+ if(content_features(n).liquid_type != LIQUID_NONE)
+ continue;
+ if(content_features(n).walkable)
+ {
+ last_node_walkable = true;
+ continue;
+ }
+ if(last_node_walkable)
+ {
+ // If block contains light information
+ if(content_features(n).param_type == CPT_LIGHT)
+ {
+ if(n.getLight(LIGHTBANK_DAY) <= 5)
+ {
+ if(myrand() % 1000 == 0)
+ {
+ v3f pos_f = intToFloat(p+block->getPosRelative(), BS);
+ pos_f.Y -= BS*0.4;
+ ServerActiveObject *obj = new Oerkki1SAO(NULL,0,pos_f);
+ std::string data = obj->getStaticData();
+ StaticObject s_obj(obj->getType(),
+ obj->getBasePosition(), data);
+ // Add one
+ block->m_static_objects.insert(0, s_obj);
+ delete obj;
+ block->setChangedFlag();
+ }
+ }
+ }
+ }
+ last_node_walkable = false;
+ }
+ }
+}
+#endif
+
+void ServerEnvironment::activateBlock(MapBlock *block, u32 additional_dtime)
+{
+ // Get time difference
+ u32 dtime_s = 0;
+ u32 stamp = block->getTimestamp();
+ if(m_game_time > stamp && stamp != BLOCK_TIMESTAMP_UNDEFINED)
+ dtime_s = m_game_time - block->getTimestamp();
+ dtime_s += additional_dtime;
+
+ // Set current time as timestamp (and let it set ChangedFlag)
+ block->setTimestamp(m_game_time);
+
+ //dstream<<"Block is "<<dtime_s<<" seconds old."<<std::endl;
+
+ // Activate stored objects
+ activateObjects(block);
+
+ // Run node metadata
+ bool changed = block->m_node_metadata.step((float)dtime_s);
+ if(changed)
+ {
+ MapEditEvent event;
+ event.type = MEET_BLOCK_NODE_METADATA_CHANGED;
+ event.p = block->getPos();
+ m_map->dispatchEvent(&event);
+
+ block->setChangedFlag();
+ }
+
+ // TODO: Do something
+ // TODO: Implement usage of ActiveBlockModifier
+
+ // Here's a quick demonstration
+ v3s16 p0;
+ for(p0.X=0; p0.X<MAP_BLOCKSIZE; p0.X++)
+ for(p0.Y=0; p0.Y<MAP_BLOCKSIZE; p0.Y++)
+ for(p0.Z=0; p0.Z<MAP_BLOCKSIZE; p0.Z++)
+ {
+ v3s16 p = p0 + block->getPosRelative();
+ MapNode n = block->getNodeNoEx(p0);
+#if 1
+ // Test something:
+ // Convert all mud under proper day lighting to grass
+ if(n.getContent() == CONTENT_MUD)
+ {
+ if(dtime_s > 300)
+ {
+ MapNode n_top = block->getNodeNoEx(p0+v3s16(0,1,0));
+ if(content_features(n_top).air_equivalent &&
+ n_top.getLight(LIGHTBANK_DAY) >= 13)
+ {
+ n.setContent(CONTENT_GRASS);
+ m_map->addNodeWithEvent(p, n);
+ }
+ }
+ }
+#endif
+ }
+}
+
+void ServerEnvironment::step(float dtime)
+{
+ DSTACK(__FUNCTION_NAME);
- delete m_map;
+ //TimeTaker timer("ServerEnv step");
+
+ // Get some settings
+ bool footprints = g_settings.getBool("footprints");
+
+ /*
+ Increment game time
+ */
+ {
+ m_game_time_fraction_counter += dtime;
+ u32 inc_i = (u32)m_game_time_fraction_counter;
+ m_game_time += inc_i;
+ m_game_time_fraction_counter -= (float)inc_i;
+ }
+
+ /*
+ Handle players
+ */
+ for(core::list<Player*>::Iterator i = m_players.begin();
+ i != m_players.end(); i++)
+ {
+ Player *player = *i;
+
+ // Ignore disconnected players
+ if(player->peer_id == 0)
+ continue;
+
+ v3f playerpos = player->getPosition();
+
+ // Move
+ player->move(dtime, *m_map, 100*BS);
+
+ /*
+ Add footsteps to grass
+ */
+ if(footprints)
+ {
+ // Get node that is at BS/4 under player
+ v3s16 bottompos = floatToInt(playerpos + v3f(0,-BS/4,0), BS);
+ try{
+ MapNode n = m_map->getNode(bottompos);
+ if(n.getContent() == CONTENT_GRASS)
+ {
+ n.setContent(CONTENT_GRASS_FOOTSTEPS);
+ m_map->setNode(bottompos, n);
+ }
+ }
+ catch(InvalidPositionException &e)
+ {
+ }
+ }
+ }
+
+ /*
+ Manage active block list
+ */
+ if(m_active_blocks_management_interval.step(dtime, 2.0))
+ {
+ /*
+ Get player block positions
+ */
+ core::list<v3s16> players_blockpos;
+ for(core::list<Player*>::Iterator
+ i = m_players.begin();
+ i != m_players.end(); i++)
+ {
+ Player *player = *i;
+ // Ignore disconnected players
+ if(player->peer_id == 0)
+ continue;
+ v3s16 blockpos = getNodeBlockPos(
+ floatToInt(player->getPosition(), BS));
+ players_blockpos.push_back(blockpos);
+ }
+
+ /*
+ Update list of active blocks, collecting changes
+ */
+ const s16 active_block_range = 5;
+ core::map<v3s16, bool> blocks_removed;
+ core::map<v3s16, bool> blocks_added;
+ m_active_blocks.update(players_blockpos, active_block_range,
+ blocks_removed, blocks_added);
+
+ /*
+ Handle removed blocks
+ */
+
+ // Convert active objects that are no more in active blocks to static
+ deactivateFarObjects(false);
+
+ for(core::map<v3s16, bool>::Iterator
+ i = blocks_removed.getIterator();
+ i.atEnd()==false; i++)
+ {
+ v3s16 p = i.getNode()->getKey();
+
+ /*dstream<<"Server: Block ("<<p.X<<","<<p.Y<<","<<p.Z
+ <<") became inactive"<<std::endl;*/
+
+ MapBlock *block = m_map->getBlockNoCreateNoEx(p);
+ if(block==NULL)
+ continue;
+
+ // Set current time as timestamp (and let it set ChangedFlag)
+ block->setTimestamp(m_game_time);
+ }
+
+ /*
+ Handle added blocks
+ */
+
+ for(core::map<v3s16, bool>::Iterator
+ i = blocks_added.getIterator();
+ i.atEnd()==false; i++)
+ {
+ v3s16 p = i.getNode()->getKey();
+
+ /*dstream<<"Server: Block ("<<p.X<<","<<p.Y<<","<<p.Z
+ <<") became active"<<std::endl;*/
+
+ MapBlock *block = m_map->getBlockNoCreateNoEx(p);
+ if(block==NULL)
+ continue;
+
+ activateBlock(block);
+ }
+ }
+
+ /*
+ Mess around in active blocks
+ */
+ if(m_active_blocks_nodemetadata_interval.step(dtime, 1.0))
+ {
+ float dtime = 1.0;
+
+ for(core::map<v3s16, bool>::Iterator
+ i = m_active_blocks.m_list.getIterator();
+ i.atEnd()==false; i++)
+ {
+ v3s16 p = i.getNode()->getKey();
+
+ /*dstream<<"Server: Block ("<<p.X<<","<<p.Y<<","<<p.Z
+ <<") being handled"<<std::endl;*/
+
+ MapBlock *block = m_map->getBlockNoCreateNoEx(p);
+ if(block==NULL)
+ continue;
+
+ // Reset block usage timer
+ block->resetUsageTimer();
+
+ // Set current time as timestamp
+ block->setTimestampNoChangedFlag(m_game_time);
+
+ // Run node metadata
+ bool changed = block->m_node_metadata.step(dtime);
+ if(changed)
+ {
+ MapEditEvent event;
+ event.type = MEET_BLOCK_NODE_METADATA_CHANGED;
+ event.p = p;
+ m_map->dispatchEvent(&event);
+
+ block->setChangedFlag();
+ }
+ }
+ }
+ if(m_active_blocks_test_interval.step(dtime, 10.0))
+ {
+ //float dtime = 10.0;
+
+ for(core::map<v3s16, bool>::Iterator
+ i = m_active_blocks.m_list.getIterator();
+ i.atEnd()==false; i++)
+ {
+ v3s16 p = i.getNode()->getKey();
+
+ /*dstream<<"Server: Block ("<<p.X<<","<<p.Y<<","<<p.Z
+ <<") being handled"<<std::endl;*/
+
+ MapBlock *block = m_map->getBlockNoCreateNoEx(p);
+ if(block==NULL)
+ continue;
+
+ // Set current time as timestamp
+ block->setTimestampNoChangedFlag(m_game_time);
+
+ /*
+ Do stuff!
+
+ Note that map modifications should be done using the event-
+ making map methods so that the server gets information
+ about them.
+
+ Reading can be done quickly directly from the block.
+
+ Everything should bind to inside this single content
+ searching loop to keep things fast.
+ */
+ // TODO: Implement usage of ActiveBlockModifier
+
+ // Find out how many objects the block contains
+ u32 active_object_count = block->m_static_objects.m_active.size();
+ // Find out how many objects this and all the neighbors contain
+ u32 active_object_count_wider = 0;
+ for(s16 x=-1; x<=1; x++)
+ for(s16 y=-1; y<=1; y++)
+ for(s16 z=-1; z<=1; z++)
+ {
+ MapBlock *block = m_map->getBlockNoCreateNoEx(p+v3s16(x,y,z));
+ if(block==NULL)
+ continue;
+ active_object_count_wider +=
+ block->m_static_objects.m_active.size();
+ }
+
+ v3s16 p0;
+ for(p0.X=0; p0.X<MAP_BLOCKSIZE; p0.X++)
+ for(p0.Y=0; p0.Y<MAP_BLOCKSIZE; p0.Y++)
+ for(p0.Z=0; p0.Z<MAP_BLOCKSIZE; p0.Z++)
+ {
+ v3s16 p = p0 + block->getPosRelative();
+ MapNode n = block->getNodeNoEx(p0);
+
+ /*
+ Test something:
+ Convert mud under proper lighting to grass
+ */
+ if(n.getContent() == CONTENT_MUD)
+ {
+ if(myrand()%20 == 0)
+ {
+ MapNode n_top = m_map->getNodeNoEx(p+v3s16(0,1,0));
+ if(content_features(n_top).air_equivalent &&
+ n_top.getLightBlend(getDayNightRatio()) >= 13)
+ {
+ n.setContent(CONTENT_GRASS);
+ m_map->addNodeWithEvent(p, n);
+ }
+ }
+ }
+ /*
+ Convert grass into mud if under something else than air
+ */
+ if(n.getContent() == CONTENT_GRASS)
+ {
+ //if(myrand()%20 == 0)
+ {
+ MapNode n_top = m_map->getNodeNoEx(p+v3s16(0,1,0));
+ if(content_features(n_top).air_equivalent == false)
+ {
+ n.setContent(CONTENT_MUD);
+ m_map->addNodeWithEvent(p, n);
+ }
+ }
+ }
+ /*
+ Rats spawn around regular trees
+ */
+ if(n.getContent() == CONTENT_TREE ||
+ n.getContent() == CONTENT_JUNGLETREE)
+ {
+ if(myrand()%200 == 0 && active_object_count_wider == 0)
+ {
+ v3s16 p1 = p + v3s16(myrand_range(-2, 2),
+ 0, myrand_range(-2, 2));
+ MapNode n1 = m_map->getNodeNoEx(p1);
+ MapNode n1b = m_map->getNodeNoEx(p1+v3s16(0,-1,0));
+ if(n1b.getContent() == CONTENT_GRASS &&
+ n1.getContent() == CONTENT_AIR)
+ {
+ v3f pos = intToFloat(p1, BS);
+ ServerActiveObject *obj = new RatSAO(this, 0, pos);
+ addActiveObject(obj);
+ }
+ }
+ }
+ }
+ }
+ }
+
+ /*
+ Step active objects
+ */
+ {
+ //TimeTaker timer("Step active objects");
+
+ // This helps the objects to send data at the same time
+ bool send_recommended = false;
+ m_send_recommended_timer += dtime;
+ if(m_send_recommended_timer > 0.15)
+ {
+ m_send_recommended_timer = 0;
+ send_recommended = true;
+ }
+
+ for(core::map<u16, ServerActiveObject*>::Iterator
+ i = m_active_objects.getIterator();
+ i.atEnd()==false; i++)
+ {
+ ServerActiveObject* obj = i.getNode()->getValue();
+ // Don't step if is to be removed or stored statically
+ if(obj->m_removed || obj->m_pending_deactivation)
+ continue;
+ // Step object
+ obj->step(dtime, send_recommended);
+ // Read messages from object
+ while(obj->m_messages_out.size() > 0)
+ {
+ m_active_object_messages.push_back(
+ obj->m_messages_out.pop_front());
+ }
+ }
+ }
+
+ /*
+ Manage active objects
+ */
+ if(m_object_management_interval.step(dtime, 0.5))
+ {
+ /*
+ Remove objects that satisfy (m_removed && m_known_by_count==0)
+ */
+ removeRemovedObjects();
+ }
+
+ if(g_settings.getBool("enable_experimental"))
+ {
+
+ /*
+ TEST CODE
+ */
+#if 1
+ m_random_spawn_timer -= dtime;
+ if(m_random_spawn_timer < 0)
+ {
+ //m_random_spawn_timer += myrand_range(2.0, 20.0);
+ //m_random_spawn_timer += 2.0;
+ m_random_spawn_timer += 200.0;
+
+ /*
+ Find some position
+ */
+
+ /*v2s16 p2d(myrand_range(-5,5), myrand_range(-5,5));
+ s16 y = 1 + getServerMap().findGroundLevel(p2d);
+ v3f pos(p2d.X*BS,y*BS,p2d.Y*BS);*/
+
+ Player *player = getRandomConnectedPlayer();
+ v3f pos(0,0,0);
+ if(player)
+ pos = player->getPosition();
+ pos += v3f(
+ myrand_range(-3,3)*BS,
+ 0,
+ myrand_range(-3,3)*BS
+ );
+
+ /*
+ Create a ServerActiveObject
+ */
+
+ //TestSAO *obj = new TestSAO(this, 0, pos);
+ //ServerActiveObject *obj = new ItemSAO(this, 0, pos, "CraftItem Stick 1");
+ //ServerActiveObject *obj = new RatSAO(this, 0, pos);
+ //ServerActiveObject *obj = new Oerkki1SAO(this, 0, pos);
+ ServerActiveObject *obj = new FireflySAO(this, 0, pos);
+ addActiveObject(obj);
+ }
+#endif
+
+ } // enable_experimental
+}
+
+ServerActiveObject* ServerEnvironment::getActiveObject(u16 id)
+{
+ core::map<u16, ServerActiveObject*>::Node *n;
+ n = m_active_objects.find(id);
+ if(n == NULL)
+ return NULL;
+ return n->getValue();
+}
+
+bool isFreeServerActiveObjectId(u16 id,
+ core::map<u16, ServerActiveObject*> &objects)
+{
+ if(id == 0)
+ return false;
+
+ for(core::map<u16, ServerActiveObject*>::Iterator
+ i = objects.getIterator();
+ i.atEnd()==false; i++)
+ {
+ if(i.getNode()->getKey() == id)
+ return false;
+ }
+ return true;
+}
+
+u16 getFreeServerActiveObjectId(
+ core::map<u16, ServerActiveObject*> &objects)
+{
+ u16 new_id = 1;
+ for(;;)
+ {
+ if(isFreeServerActiveObjectId(new_id, objects))
+ return new_id;
+
+ if(new_id == 65535)
+ return 0;
+
+ new_id++;
+ }
+}
+
+u16 ServerEnvironment::addActiveObject(ServerActiveObject *object)
+{
+ assert(object);
+ u16 id = addActiveObjectRaw(object, true);
+ return id;
+}
+
+/*
+ Finds out what new objects have been added to
+ inside a radius around a position
+*/
+void ServerEnvironment::getAddedActiveObjects(v3s16 pos, s16 radius,
+ core::map<u16, bool> ¤t_objects,
+ core::map<u16, bool> &added_objects)
+{
+ v3f pos_f = intToFloat(pos, BS);
+ f32 radius_f = radius * BS;
+ /*
+ Go through the object list,
+ - discard m_removed objects,
+ - discard objects that are too far away,
+ - discard objects that are found in current_objects.
+ - add remaining objects to added_objects
+ */
+ for(core::map<u16, ServerActiveObject*>::Iterator
+ i = m_active_objects.getIterator();
+ i.atEnd()==false; i++)
+ {
+ u16 id = i.getNode()->getKey();
+ // Get object
+ ServerActiveObject *object = i.getNode()->getValue();
+ if(object == NULL)
+ continue;
+ // Discard if removed
+ if(object->m_removed)
+ continue;
+ // Discard if too far
+ f32 distance_f = object->getBasePosition().getDistanceFrom(pos_f);
+ if(distance_f > radius_f)
+ continue;
+ // Discard if already on current_objects
+ core::map<u16, bool>::Node *n;
+ n = current_objects.find(id);
+ if(n != NULL)
+ continue;
+ // Add to added_objects
+ added_objects.insert(id, false);
+ }
+}
+
+/*
+ Finds out what objects have been removed from
+ inside a radius around a position
+*/
+void ServerEnvironment::getRemovedActiveObjects(v3s16 pos, s16 radius,
+ core::map<u16, bool> ¤t_objects,
+ core::map<u16, bool> &removed_objects)
+{
+ v3f pos_f = intToFloat(pos, BS);
+ f32 radius_f = radius * BS;
+ /*
+ Go through current_objects; object is removed if:
+ - object is not found in m_active_objects (this is actually an
+ error condition; objects should be set m_removed=true and removed
+ only after all clients have been informed about removal), or
+ - object has m_removed=true, or
+ - object is too far away
+ */
+ for(core::map<u16, bool>::Iterator
+ i = current_objects.getIterator();
+ i.atEnd()==false; i++)
+ {
+ u16 id = i.getNode()->getKey();
+ ServerActiveObject *object = getActiveObject(id);
+ if(object == NULL)
+ {
+ dstream<<"WARNING: ServerEnvironment::getRemovedActiveObjects():"
+ <<" object in current_objects is NULL"<<std::endl;
+ }
+ else if(object->m_removed == false)
+ {
+ f32 distance_f = object->getBasePosition().getDistanceFrom(pos_f);
+ /*dstream<<"removed == false"
+ <<"distance_f = "<<distance_f
+ <<", radius_f = "<<radius_f<<std::endl;*/
+ if(distance_f < radius_f)
+ {
+ // Not removed
+ continue;
+ }
+ }
+ removed_objects.insert(id, false);
+ }
+}
+
+ActiveObjectMessage ServerEnvironment::getActiveObjectMessage()
+{
+ if(m_active_object_messages.size() == 0)
+ return ActiveObjectMessage(0);
+
+ return m_active_object_messages.pop_front();
+}
+
+/*
+ ************ Private methods *************
+*/
+
+u16 ServerEnvironment::addActiveObjectRaw(ServerActiveObject *object,
+ bool set_changed)
+{
+ assert(object);
+ if(object->getId() == 0)
+ {
+ u16 new_id = getFreeServerActiveObjectId(m_active_objects);
+ if(new_id == 0)
+ {
+ dstream<<"WARNING: ServerEnvironment::addActiveObjectRaw(): "
+ <<"no free ids available"<<std::endl;
+ delete object;
+ return 0;
+ }
+ object->setId(new_id);
+ }
+ if(isFreeServerActiveObjectId(object->getId(), m_active_objects) == false)
+ {
+ dstream<<"WARNING: ServerEnvironment::addActiveObjectRaw(): "
+ <<"id is not free ("<<object->getId()<<")"<<std::endl;
+ delete object;
+ return 0;
+ }
+ /*dstream<<"INFO: ServerEnvironment::addActiveObjectRaw(): "
+ <<"added (id="<<object->getId()<<")"<<std::endl;*/
+
+ m_active_objects.insert(object->getId(), object);
+
+ // Add static object to active static list of the block
+ v3f objectpos = object->getBasePosition();
+ std::string staticdata = object->getStaticData();
+ StaticObject s_obj(object->getType(), objectpos, staticdata);
+ // Add to the block where the object is located in
+ v3s16 blockpos = getNodeBlockPos(floatToInt(objectpos, BS));
+ MapBlock *block = m_map->getBlockNoCreateNoEx(blockpos);
+ if(block)
+ {
+ block->m_static_objects.m_active.insert(object->getId(), s_obj);
+ object->m_static_exists = true;
+ object->m_static_block = blockpos;
+
+ if(set_changed)
+ block->setChangedFlag();
+ }
+ else{
+ dstream<<"WARNING: ServerEnv: Could not find a block for "
+ <<"storing newly added static active object"<<std::endl;
+ }
+
+ return object->getId();
+}
+
+/*
+ Remove objects that satisfy (m_removed && m_known_by_count==0)
+*/
+void ServerEnvironment::removeRemovedObjects()
+{
+ core::list<u16> objects_to_remove;
+ for(core::map<u16, ServerActiveObject*>::Iterator
+ i = m_active_objects.getIterator();
+ i.atEnd()==false; i++)
+ {
+ u16 id = i.getNode()->getKey();
+ ServerActiveObject* obj = i.getNode()->getValue();
+ // This shouldn't happen but check it
+ if(obj == NULL)
+ {
+ dstream<<"WARNING: NULL object found in ServerEnvironment"
+ <<" while finding removed objects. id="<<id<<std::endl;
+ // Id to be removed from m_active_objects
+ objects_to_remove.push_back(id);
+ continue;
+ }
+
+ /*
+ We will delete objects that are marked as removed or thatare
+ waiting for deletion after deactivation
+ */
+ if(obj->m_removed == false && obj->m_pending_deactivation == false)
+ continue;
+
+ /*
+ Delete static data from block if is marked as removed
+ */
+ if(obj->m_static_exists && obj->m_removed)
+ {
+ MapBlock *block = m_map->getBlockNoCreateNoEx(obj->m_static_block);
+ if(block)
+ {
+ block->m_static_objects.remove(id);
+ block->setChangedFlag();
+ }
+ }
+
+ // If m_known_by_count > 0, don't actually remove.
+ if(obj->m_known_by_count > 0)
+ continue;
+
+ // Delete
+ delete obj;
+ // Id to be removed from m_active_objects
+ objects_to_remove.push_back(id);
+ }
+ // Remove references from m_active_objects
+ for(core::list<u16>::Iterator i = objects_to_remove.begin();
+ i != objects_to_remove.end(); i++)
+ {
+ m_active_objects.remove(*i);
+ }
+}
+
+/*
+ Convert stored objects from blocks near the players to active.
+*/
+void ServerEnvironment::activateObjects(MapBlock *block)
+{
+ if(block==NULL)
+ return;
+ // Ignore if no stored objects (to not set changed flag)
+ if(block->m_static_objects.m_stored.size() == 0)
+ return;
+ // A list for objects that couldn't be converted to static for some
+ // reason. They will be stored back.
+ core::list<StaticObject> new_stored;
+ // Loop through stored static objects
+ for(core::list<StaticObject>::Iterator
+ i = block->m_static_objects.m_stored.begin();
+ i != block->m_static_objects.m_stored.end(); i++)
+ {
+ /*dstream<<"INFO: Server: Creating an active object from "
+ <<"static data"<<std::endl;*/
+ StaticObject &s_obj = *i;
+ // Create an active object from the data
+ ServerActiveObject *obj = ServerActiveObject::create
+ (s_obj.type, this, 0, s_obj.pos, s_obj.data);
+ // If couldn't create object, store static data back.
+ if(obj==NULL)
+ {
+ new_stored.push_back(s_obj);
+ continue;
+ }
+ // This will also add the object to the active static list
+ addActiveObjectRaw(obj, false);
+ //u16 id = addActiveObjectRaw(obj, false);
+ }
+ // Clear stored list
+ block->m_static_objects.m_stored.clear();
+ // Add leftover failed stuff to stored list
+ for(core::list<StaticObject>::Iterator
+ i = new_stored.begin();
+ i != new_stored.end(); i++)
+ {
+ StaticObject &s_obj = *i;
+ block->m_static_objects.m_stored.push_back(s_obj);
+ }
+ // Block has been modified
+ // NOTE: No it has not really. Save I/O here.
+ //block->setChangedFlag();
+}
+
+/*
+ Convert objects that are not in active blocks to static.
+
+ If m_known_by_count != 0, active object is not deleted, but static
+ data is still updated.
+
+ If force_delete is set, active object is deleted nevertheless. It
+ shall only be set so in the destructor of the environment.
+*/
+void ServerEnvironment::deactivateFarObjects(bool force_delete)
+{
+ core::list<u16> objects_to_remove;
+ for(core::map<u16, ServerActiveObject*>::Iterator
+ i = m_active_objects.getIterator();
+ i.atEnd()==false; i++)
+ {
+ ServerActiveObject* obj = i.getNode()->getValue();
+ u16 id = i.getNode()->getKey();
+ v3f objectpos = obj->getBasePosition();
+
+ // This shouldn't happen but check it
+ if(obj == NULL)
+ {
+ dstream<<"WARNING: NULL object found in ServerEnvironment"
+ <<std::endl;
+ assert(0);
+ continue;
+ }
+
+ // The block in which the object resides in
+ v3s16 blockpos_o = getNodeBlockPos(floatToInt(objectpos, BS));
+
+ // If block is active, don't remove
+ if(m_active_blocks.contains(blockpos_o))
+ continue;
+
+ /*
+ Update the static data
+ */
+
+ // Delete old static object
+ MapBlock *oldblock = NULL;
+ if(obj->m_static_exists)
+ {
+ MapBlock *block = m_map->getBlockNoCreateNoEx
+ (obj->m_static_block);
+ if(block)
+ {
+ block->m_static_objects.remove(id);
+ oldblock = block;
+ }
+ }
+ // Create new static object
+ std::string staticdata = obj->getStaticData();
+ StaticObject s_obj(obj->getType(), objectpos, staticdata);
+ // Add to the block where the object is located in
+ v3s16 blockpos = getNodeBlockPos(floatToInt(objectpos, BS));
+ // Get or generate the block
+ MapBlock *block = m_map->emergeBlock(blockpos);
+
+ /*MapBlock *block = m_map->getBlockNoCreateNoEx(blockpos);
+ if(block == NULL)
+ {
+ // Block not found. Is the old block still ok?
+ if(oldblock)
+ block = oldblock;
+ // Load from disk or generate
+ else
+ block = m_map->emergeBlock(blockpos);
+ }*/
+
+ if(block)
+ {
+ block->m_static_objects.insert(0, s_obj);
+ block->setChangedFlag();
+ obj->m_static_exists = true;
+ obj->m_static_block = block->getPos();
+ }
+ else{
+ dstream<<"WARNING: ServerEnv: Could not find or generate "
+ <<"a block for storing static object"<<std::endl;
+ obj->m_static_exists = false;
+ continue;
+ }
+
+ /*
+ Delete active object if not known by some client,
+ else set pending deactivation
+ */
+
+ // If known by some client, don't delete.
+ if(obj->m_known_by_count > 0 && force_delete == false)
+ {
+ obj->m_pending_deactivation = true;
+ continue;
+ }
+
+ /*dstream<<"INFO: Server: Stored static data. Deleting object."
+ <<std::endl;*/
+ // Delete active object
+ delete obj;
+ // Id to be removed from m_active_objects
+ objects_to_remove.push_back(id);
+ }
+
+ // Remove references from m_active_objects
+ for(core::list<u16>::Iterator i = objects_to_remove.begin();
+ i != objects_to_remove.end(); i++)
+ {
+ m_active_objects.remove(*i);
+ }
+}
+
+
+#ifndef SERVER
+
+/*
+ ClientEnvironment
+*/
+
+ClientEnvironment::ClientEnvironment(ClientMap *map, scene::ISceneManager *smgr):
+ m_map(map),
+ m_smgr(smgr)
+{
+ assert(m_map);
+ assert(m_smgr);
+}
+
+ClientEnvironment::~ClientEnvironment()
+{
+ // delete active objects
+ for(core::map<u16, ClientActiveObject*>::Iterator
+ i = m_active_objects.getIterator();
+ i.atEnd()==false; i++)
+ {
+ delete i.getNode()->getValue();
+ }
+
+ // Drop/delete map
+ m_map->drop();
}
-void Environment::step(float dtime)
+void ClientEnvironment::addPlayer(Player *player)
{
DSTACK(__FUNCTION_NAME);
/*
- Run Map's timers
+ It is a failure if player is local and there already is a local
+ player
*/
- //TimeTaker maptimerupdatetimer("m_map->timerUpdate()", g_device);
- // 0ms
- m_map->timerUpdate(dtime);
- //maptimerupdatetimer.stop();
+ assert(!(player->isLocal() == true && getLocalPlayer() != NULL));
- /*
- Get the highest speed some player is going
- */
- //TimeTaker playerspeed("playerspeed", g_device);
- // 0ms
- f32 maximum_player_speed = 0.001; // just some small value
+ Environment::addPlayer(player);
+}
+
+LocalPlayer * ClientEnvironment::getLocalPlayer()
+{
for(core::list<Player*>::Iterator i = m_players.begin();
i != m_players.end(); i++)
{
- f32 speed = (*i)->getSpeed().getLength();
- if(speed > maximum_player_speed)
- maximum_player_speed = speed;
+ Player *player = *i;
+ if(player->isLocal())
+ return (LocalPlayer*)player;
}
- //playerspeed.stop();
+ return NULL;
+}
+
+void ClientEnvironment::step(float dtime)
+{
+ DSTACK(__FUNCTION_NAME);
+
+ // Get some settings
+ bool free_move = g_settings.getBool("free_move");
+ bool footprints = g_settings.getBool("footprints");
+
+ // Get local player
+ LocalPlayer *lplayer = getLocalPlayer();
+ assert(lplayer);
+ // collision info queue
+ core::list<CollisionInfo> player_collisions;
+ /*
+ Get the speed the player is going
+ */
+ bool is_climbing = lplayer->is_climbing;
+
+ /*
+ Check if the player is frozen (don't apply physics)
+ */
+ bool is_frozen = lplayer->is_frozen;
+
+ f32 player_speed = 0.001; // just some small value
+ player_speed = lplayer->getSpeed().getLength();
+
+ /*
+ Maximum position increment
+ */
+ //f32 position_max_increment = 0.05*BS;
+ f32 position_max_increment = 0.1*BS;
+
// Maximum time increment (for collision detection etc)
- // Allow 0.1 blocks per increment
// time = distance / speed
- f32 dtime_max_increment = 0.1*BS / maximum_player_speed;
+ f32 dtime_max_increment = position_max_increment / player_speed;
+
// Maximum time increment is 10ms or lower
if(dtime_max_increment > 0.01)
dtime_max_increment = 0.01;
- //TimeTaker playerupdate("playerupdate", g_device);
+ // Don't allow overly huge dtime
+ if(dtime > 0.5)
+ dtime = 0.5;
+ f32 dtime_downcount = dtime;
+
/*
Stuff that has a maximum time increment
*/
- // Don't allow overly huge dtime
- if(dtime > 0.5)
- dtime = 0.5;
u32 loopcount = 0;
do
loopcount++;
f32 dtime_part;
- if(dtime > dtime_max_increment)
+ if(dtime_downcount > dtime_max_increment)
+ {
dtime_part = dtime_max_increment;
+ dtime_downcount -= dtime_part;
+ }
else
- dtime_part = dtime;
- dtime -= dtime_part;
+ {
+ dtime_part = dtime_downcount;
+ /*
+ Setting this to 0 (no -=dtime_part) disables an infinite loop
+ when dtime_part is so small that dtime_downcount -= dtime_part
+ does nothing
+ */
+ dtime_downcount = 0;
+ }
/*
- Handle players
+ Handle local player
*/
- for(core::list<Player*>::Iterator i = m_players.begin();
- i != m_players.end(); i++)
+
{
- Player *player = *i;
+ v3f lplayerpos = lplayer->getPosition();
- // Apply physics to local player
- if(player->isLocal())
+ // Apply physics
+ if(free_move == false && is_climbing == false && is_frozen == false)
{
- // Apply gravity to local player
- v3f speed = player->getSpeed();
- speed.Y -= 9.81 * BS * dtime_part * 2;
+ // Gravity
+ v3f speed = lplayer->getSpeed();
+ if(lplayer->swimming_up == false)
+ speed.Y -= 9.81 * BS * dtime_part * 2;
- /*
- Apply water resistance
- */
- if(player->in_water)
+ // Water resistance
+ if(lplayer->in_water_stable || lplayer->in_water)
{
- f32 max_down = 1.0*BS;
+ f32 max_down = 2.0*BS;
if(speed.Y < -max_down) speed.Y = -max_down;
- f32 max = 2.0*BS;
+ f32 max = 2.5*BS;
if(speed.getLength() > max)
{
speed = speed / speed.getLength() * max;
}
}
- player->setSpeed(speed);
+ lplayer->setSpeed(speed);
}
/*
- Move the player.
- For local player, this also calculates collision detection.
- */
- player->move(dtime_part, *m_map);
-
- /*
- Add footsteps to grass
+ Move the lplayer.
+ This also does collision detection.
*/
- //TimeTaker footsteptimer("footstep", g_device);
- // 0ms
- v3f playerpos = player->getPosition();
+ lplayer->move(dtime_part, *m_map, position_max_increment,
+ &player_collisions);
+ }
+ }
+ while(dtime_downcount > 0.001);
+
+ //std::cout<<"Looped "<<loopcount<<" times."<<std::endl;
+
+ for(core::list<CollisionInfo>::Iterator
+ i = player_collisions.begin();
+ i != player_collisions.end(); i++)
+ {
+ CollisionInfo &info = *i;
+ if(info.t == COLLISION_FALL)
+ {
+ //f32 tolerance = BS*10; // 2 without damage
+ f32 tolerance = BS*12; // 3 without damage
+ f32 factor = 1;
+ if(info.speed > tolerance)
+ {
+ f32 damage_f = (info.speed - tolerance)/BS*factor;
+ u16 damage = (u16)(damage_f+0.5);
+ if(lplayer->hp > damage)
+ lplayer->hp -= damage;
+ else
+ lplayer->hp = 0;
+
+ ClientEnvEvent event;
+ event.type = CEE_PLAYER_DAMAGE;
+ event.player_damage.amount = damage;
+ m_client_event_queue.push_back(event);
+ }
+ }
+ }
+
+ /*
+ A quick draft of lava damage
+ */
+ if(m_lava_hurt_interval.step(dtime, 1.0))
+ {
+ v3f pf = lplayer->getPosition();
+
+ // Feet, middle and head
+ v3s16 p1 = floatToInt(pf + v3f(0, BS*0.1, 0), BS);
+ MapNode n1 = m_map->getNodeNoEx(p1);
+ v3s16 p2 = floatToInt(pf + v3f(0, BS*0.8, 0), BS);
+ MapNode n2 = m_map->getNodeNoEx(p2);
+ v3s16 p3 = floatToInt(pf + v3f(0, BS*1.6, 0), BS);
+ MapNode n3 = m_map->getNodeNoEx(p2);
+
+ u32 damage_per_second = 0;
+ damage_per_second = MYMAX(damage_per_second,
+ content_features(n1).damage_per_second);
+ damage_per_second = MYMAX(damage_per_second,
+ content_features(n2).damage_per_second);
+ damage_per_second = MYMAX(damage_per_second,
+ content_features(n3).damage_per_second);
+
+ if(damage_per_second != 0)
+ {
+ ClientEnvEvent event;
+ event.type = CEE_PLAYER_DAMAGE;
+ event.player_damage.amount = damage_per_second;
+ m_client_event_queue.push_back(event);
+ }
+ }
+
+ /*
+ Stuff that can be done in an arbitarily large dtime
+ */
+ for(core::list<Player*>::Iterator i = m_players.begin();
+ i != m_players.end(); i++)
+ {
+ Player *player = *i;
+ v3f playerpos = player->getPosition();
+
+ /*
+ Handle non-local players
+ */
+ if(player->isLocal() == false)
+ {
+ // Move
+ player->move(dtime, *m_map, 100*BS);
+
+ // Update lighting on remote players on client
+ u8 light = LIGHT_MAX;
+ try{
+ // Get node at head
+ v3s16 p = player->getLightPosition();
+ MapNode n = m_map->getNode(p);
+ light = n.getLightBlend(getDayNightRatio());
+ }
+ catch(InvalidPositionException &e) {}
+ player->updateLight(light);
+ }
+
+ /*
+ Add footsteps to grass
+ */
+ if(footprints)
+ {
// Get node that is at BS/4 under player
- v3s16 bottompos = floatToInt(playerpos + v3f(0,-BS/4,0));
+ v3s16 bottompos = floatToInt(playerpos + v3f(0,-BS/4,0), BS);
try{
MapNode n = m_map->getNode(bottompos);
- if(n.d == CONTENT_GRASS)
+ if(n.getContent() == CONTENT_GRASS)
{
- n.d = CONTENT_GRASS_FOOTSTEPS;
+ n.setContent(CONTENT_GRASS_FOOTSTEPS);
m_map->setNode(bottompos, n);
-
// Update mesh on client
if(m_map->mapType() == MAPTYPE_CLIENT)
{
v3s16 p_blocks = getNodeBlockPos(bottompos);
MapBlock *b = m_map->getBlockNoCreate(p_blocks);
- b->updateMesh();
+ //b->updateMesh(getDayNightRatio());
+ b->setMeshExpired(true);
}
}
}
catch(InvalidPositionException &e)
{
}
- //footsteptimer.stop();
}
}
- while(dtime > 0.001);
- //std::cout<<"Looped "<<loopcount<<" times."<<std::endl;
+ /*
+ Step active objects and update lighting of them
+ */
+
+ for(core::map<u16, ClientActiveObject*>::Iterator
+ i = m_active_objects.getIterator();
+ i.atEnd()==false; i++)
+ {
+ ClientActiveObject* obj = i.getNode()->getValue();
+ // Step object
+ obj->step(dtime, this);
+
+ if(m_active_object_light_update_interval.step(dtime, 0.21))
+ {
+ // Update lighting
+ //u8 light = LIGHT_MAX;
+ u8 light = 0;
+ try{
+ // Get node at head
+ v3s16 p = obj->getLightPosition();
+ MapNode n = m_map->getNode(p);
+ light = n.getLightBlend(getDayNightRatio());
+ }
+ catch(InvalidPositionException &e) {}
+ obj->updateLight(light);
+ }
+ }
}
-Map & Environment::getMap()
+void ClientEnvironment::updateMeshes(v3s16 blockpos)
{
- return *m_map;
+ m_map->updateMeshes(blockpos, getDayNightRatio());
}
-void Environment::addPlayer(Player *player)
+void ClientEnvironment::expireMeshes(bool only_daynight_diffed)
{
- DSTACK(__FUNCTION_NAME);
- //Check that only one local player exists and peer_ids are unique
- assert(player->isLocal() == false || getLocalPlayer() == NULL);
- assert(getPlayer(player->peer_id) == NULL);
- m_players.push_back(player);
+ m_map->expireMeshes(only_daynight_diffed);
}
-void Environment::removePlayer(u16 peer_id)
+ClientActiveObject* ClientEnvironment::getActiveObject(u16 id)
{
- DSTACK(__FUNCTION_NAME);
-re_search:
- for(core::list<Player*>::Iterator i = m_players.begin();
- i != m_players.end(); i++)
+ core::map<u16, ClientActiveObject*>::Node *n;
+ n = m_active_objects.find(id);
+ if(n == NULL)
+ return NULL;
+ return n->getValue();
+}
+
+bool isFreeClientActiveObjectId(u16 id,
+ core::map<u16, ClientActiveObject*> &objects)
+{
+ if(id == 0)
+ return false;
+
+ for(core::map<u16, ClientActiveObject*>::Iterator
+ i = objects.getIterator();
+ i.atEnd()==false; i++)
{
- Player *player = *i;
- if(player->peer_id != peer_id)
- continue;
+ if(i.getNode()->getKey() == id)
+ return false;
+ }
+ return true;
+}
+
+u16 getFreeClientActiveObjectId(
+ core::map<u16, ClientActiveObject*> &objects)
+{
+ u16 new_id = 1;
+ for(;;)
+ {
+ if(isFreeClientActiveObjectId(new_id, objects))
+ return new_id;
- delete player;
- m_players.erase(i);
- // See if there is an another one
- // (shouldn't be, but just to be sure)
- goto re_search;
+ if(new_id == 65535)
+ return 0;
+
+ new_id++;
}
}
-LocalPlayer * Environment::getLocalPlayer()
+u16 ClientEnvironment::addActiveObject(ClientActiveObject *object)
{
- for(core::list<Player*>::Iterator i = m_players.begin();
- i != m_players.end(); i++)
+ assert(object);
+ if(object->getId() == 0)
{
- Player *player = *i;
- if(player->isLocal())
- return (LocalPlayer*)player;
+ u16 new_id = getFreeClientActiveObjectId(m_active_objects);
+ if(new_id == 0)
+ {
+ dstream<<"WARNING: ClientEnvironment::addActiveObject(): "
+ <<"no free ids available"<<std::endl;
+ delete object;
+ return 0;
+ }
+ object->setId(new_id);
}
- return NULL;
+ if(isFreeClientActiveObjectId(object->getId(), m_active_objects) == false)
+ {
+ dstream<<"WARNING: ClientEnvironment::addActiveObject(): "
+ <<"id is not free ("<<object->getId()<<")"<<std::endl;
+ delete object;
+ return 0;
+ }
+ dstream<<"INFO: ClientEnvironment::addActiveObject(): "
+ <<"added (id="<<object->getId()<<")"<<std::endl;
+ m_active_objects.insert(object->getId(), object);
+ object->addToScene(m_smgr);
+ return object->getId();
}
-Player * Environment::getPlayer(u16 peer_id)
+void ClientEnvironment::addActiveObject(u16 id, u8 type,
+ const std::string &init_data)
{
- for(core::list<Player*>::Iterator i = m_players.begin();
- i != m_players.end(); i++)
+ ClientActiveObject* obj = ClientActiveObject::create(type);
+ if(obj == NULL)
{
- Player *player = *i;
- if(player->peer_id == peer_id)
- return player;
+ dstream<<"WARNING: ClientEnvironment::addActiveObject(): "
+ <<"id="<<id<<" type="<<type<<": Couldn't create object"
+ <<std::endl;
+ return;
}
- return NULL;
+
+ obj->setId(id);
+
+ addActiveObject(obj);
+
+ obj->initialize(init_data);
}
-core::list<Player*> Environment::getPlayers()
+void ClientEnvironment::removeActiveObject(u16 id)
{
- return m_players;
+ dstream<<"ClientEnvironment::removeActiveObject(): "
+ <<"id="<<id<<std::endl;
+ ClientActiveObject* obj = getActiveObject(id);
+ if(obj == NULL)
+ {
+ dstream<<"WARNING: ClientEnvironment::removeActiveObject(): "
+ <<"id="<<id<<" not found"<<std::endl;
+ return;
+ }
+ obj->removeFromScene();
+ delete obj;
+ m_active_objects.remove(id);
}
-void Environment::printPlayers(std::ostream &o)
+void ClientEnvironment::processActiveObjectMessage(u16 id,
+ const std::string &data)
{
- o<<"Players in environment:"<<std::endl;
- for(core::list<Player*>::Iterator i = m_players.begin();
- i != m_players.end(); i++)
+ ClientActiveObject* obj = getActiveObject(id);
+ if(obj == NULL)
{
- Player *player = *i;
- o<<"Player peer_id="<<player->peer_id<<std::endl;
+ dstream<<"WARNING: ClientEnvironment::processActiveObjectMessage():"
+ <<" got message for id="<<id<<", which doesn't exist."
+ <<std::endl;
+ return;
+ }
+ obj->processMessage(data);
+}
+
+/*
+ Callbacks for activeobjects
+*/
+
+void ClientEnvironment::damageLocalPlayer(u8 damage)
+{
+ LocalPlayer *lplayer = getLocalPlayer();
+ assert(lplayer);
+
+ if(lplayer->hp > damage)
+ lplayer->hp -= damage;
+ else
+ lplayer->hp = 0;
+
+ ClientEnvEvent event;
+ event.type = CEE_PLAYER_DAMAGE;
+ event.player_damage.amount = damage;
+ m_client_event_queue.push_back(event);
+}
+
+/*
+ Client likes to call these
+*/
+
+void ClientEnvironment::getActiveObjects(v3f origin, f32 max_d,
+ core::array<DistanceSortedActiveObject> &dest)
+{
+ for(core::map<u16, ClientActiveObject*>::Iterator
+ i = m_active_objects.getIterator();
+ i.atEnd()==false; i++)
+ {
+ ClientActiveObject* obj = i.getNode()->getValue();
+
+ f32 d = (obj->getPosition() - origin).getLength();
+
+ if(d > max_d)
+ continue;
+
+ DistanceSortedActiveObject dso(obj, d);
+
+ dest.push_back(dso);
+ }
+}
+
+ClientEnvEvent ClientEnvironment::getClientEvent()
+{
+ if(m_client_event_queue.size() == 0)
+ {
+ ClientEnvEvent event;
+ event.type = CEE_NONE;
+ return event;
+ }
+ return m_client_event_queue.pop_front();
+}
+
+void ClientEnvironment::drawPostFx(video::IVideoDriver* driver, v3f camera_pos)
+{
+ /*LocalPlayer *player = getLocalPlayer();
+ assert(player);
+ v3f pos_f = player->getPosition() + v3f(0,BS*1.625,0);*/
+ v3f pos_f = camera_pos;
+ v3s16 p_nodes = floatToInt(pos_f, BS);
+ MapNode n = m_map->getNodeNoEx(p_nodes);
+ if(n.getContent() == CONTENT_WATER || n.getContent() == CONTENT_WATERSOURCE)
+ {
+ v2u32 ss = driver->getScreenSize();
+ core::rect<s32> rect(0,0, ss.X, ss.Y);
+ driver->draw2DRectangle(video::SColor(64, 100, 100, 200), rect);
+ }
+ else if(content_features(n).solidness == 2 &&
+ g_settings.getBool("free_move") == false)
+ {
+ v2u32 ss = driver->getScreenSize();
+ core::rect<s32> rect(0,0, ss.X, ss.Y);
+ driver->draw2DRectangle(video::SColor(255, 0, 0, 0), rect);
}
}
+#endif // #ifndef SERVER
+
+
projects / oweals / minetest.git / blobdiff