#include <fstream>
#include "environment.h"
-#include "filesys.h"
-#include "porting.h"
#include "collision.h"
-#include "content_mapnode.h"
-#include "mapblock.h"
-#include "serverobject.h"
-#include "content_sao.h"
-#include "settings.h"
-#include "log.h"
-#include "profiler.h"
-#include "scripting_game.h"
-#include "nodedef.h"
-#include "nodemetadata.h"
-#include "gamedef.h"
-#ifndef SERVER
-#include "clientmap.h"
-#include "localplayer.h"
-#include "mapblock_mesh.h"
-#include "event.h"
-#endif
+#include "raycast.h"
+#include "scripting_server.h"
#include "server.h"
#include "daynightratio.h"
-#include "map.h"
#include "emerge.h"
-#include "util/serialize.h"
-#include "threading/mutex_auto_lock.h"
-#define PP(x) "("<<(x).X<<","<<(x).Y<<","<<(x).Z<<")"
-Environment::Environment():
- m_time_of_day(9000),
- m_time_of_day_f(9000./24000),
- m_time_of_day_speed(0),
- m_time_counter(0),
- m_enable_day_night_ratio_override(false),
- m_day_night_ratio_override(0.0f)
+Environment::Environment(IGameDef *gamedef):
+ m_time_of_day_speed(0.0f),
+ m_day_count(0),
+ m_gamedef(gamedef)
{
m_cache_enable_shaders = g_settings->getBool("enable_shaders");
-}
-
-Environment::~Environment()
-{
- // Deallocate players
- for(std::vector<Player*>::iterator i = m_players.begin();
- i != m_players.end(); ++i) {
- 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)
- FATAL_ERROR_IF(getPlayer(player->peer_id) != NULL, "Peer id not unique");
- // Name has to be unique.
- FATAL_ERROR_IF(getPlayer(player->getName()) != NULL, "Player name not unique");
- // Add.
- m_players.push_back(player);
-}
-
-void Environment::removePlayer(u16 peer_id)
-{
- DSTACK(__FUNCTION_NAME);
-
- for(std::vector<Player*>::iterator i = m_players.begin();
- i != m_players.end();)
- {
- Player *player = *i;
- if(player->peer_id == peer_id) {
- delete player;
- i = m_players.erase(i);
- } else {
- ++i;
- }
- }
-}
-
-void Environment::removePlayer(const char *name)
-{
- for (std::vector<Player*>::iterator it = m_players.begin();
- it != m_players.end(); ++it) {
- if (strcmp((*it)->getName(), name) == 0) {
- delete *it;
- m_players.erase(it);
- return;
- }
- }
-}
-
-Player * Environment::getPlayer(u16 peer_id)
-{
- for(std::vector<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(std::vector<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()
-{
- std::vector<Player*> connected_players = getPlayers(true);
- u32 chosen_one = myrand() % connected_players.size();
- u32 j = 0;
- for(std::vector<Player*>::iterator
- i = connected_players.begin();
- i != connected_players.end(); ++i) {
- if(j == chosen_one) {
- Player *player = *i;
- return player;
- }
- j++;
- }
- return NULL;
-}
+ m_cache_active_block_mgmt_interval = g_settings->getFloat("active_block_mgmt_interval");
+ m_cache_abm_interval = g_settings->getFloat("abm_interval");
+ m_cache_nodetimer_interval = g_settings->getFloat("nodetimer_interval");
+ m_cache_abm_time_budget = g_settings->getFloat("abm_time_budget");
-Player * Environment::getNearestConnectedPlayer(v3f pos)
-{
- std::vector<Player*> connected_players = getPlayers(true);
- f32 nearest_d = 0;
- Player *nearest_player = NULL;
- for(std::vector<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;
-}
-
-std::vector<Player*> Environment::getPlayers()
-{
- return m_players;
-}
-
-std::vector<Player*> Environment::getPlayers(bool ignore_disconnected)
-{
- std::vector<Player*> newlist;
- for(std::vector<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;
+ m_time_of_day = g_settings->getU32("world_start_time");
+ m_time_of_day_f = (float)m_time_of_day / 24000.0f;
}
u32 Environment::getDayNightRatio()
{
- if(m_enable_day_night_ratio_override)
+ MutexAutoLock lock(this->m_time_lock);
+ if (g_settings->getBool("no_night"))
+ return time_to_daynight_ratio(12000, m_cache_enable_shaders);
+ if (m_enable_day_night_ratio_override)
return m_day_night_ratio_override;
- return time_to_daynight_ratio(m_time_of_day_f*24000, m_cache_enable_shaders);
+ return time_to_daynight_ratio(m_time_of_day_f * 24000, m_cache_enable_shaders);
}
void Environment::setTimeOfDaySpeed(float speed)
{
- MutexAutoLock(this->m_timeofday_lock);
m_time_of_day_speed = speed;
}
-float Environment::getTimeOfDaySpeed()
+void Environment::setDayNightRatioOverride(bool enable, u32 value)
{
- MutexAutoLock(this->m_timeofday_lock);
- float retval = m_time_of_day_speed;
- return retval;
+ MutexAutoLock lock(this->m_time_lock);
+ m_enable_day_night_ratio_override = enable;
+ m_day_night_ratio_override = value;
}
void Environment::setTimeOfDay(u32 time)
{
- MutexAutoLock(this->m_time_lock);
+ MutexAutoLock lock(this->m_time_lock);
+ if (m_time_of_day > time)
+ ++m_day_count;
m_time_of_day = time;
m_time_of_day_f = (float)time / 24000.0;
}
u32 Environment::getTimeOfDay()
{
- MutexAutoLock(this->m_time_lock);
- u32 retval = m_time_of_day;
- return retval;
+ MutexAutoLock lock(this->m_time_lock);
+ return m_time_of_day;
}
float Environment::getTimeOfDayF()
{
- MutexAutoLock(this->m_time_lock);
- float retval = m_time_of_day_f;
- return retval;
-}
-
-void Environment::stepTimeOfDay(float dtime)
-{
- // getTimeOfDaySpeed lock the value we need to prevent MT problems
- float day_speed = getTimeOfDaySpeed();
-
- m_time_counter += dtime;
- f32 speed = day_speed * 24000./(24.*3600);
- u32 units = (u32)(m_time_counter*speed);
- bool sync_f = false;
- if(units > 0){
- // Sync at overflow
- if(m_time_of_day + units >= 24000)
- sync_f = true;
- m_time_of_day = (m_time_of_day + units) % 24000;
- if(sync_f)
- m_time_of_day_f = (float)m_time_of_day / 24000.0;
- }
- if (speed > 0) {
- m_time_counter -= (f32)units / speed;
- }
- if(!sync_f){
- m_time_of_day_f += day_speed/24/3600*dtime;
- if(m_time_of_day_f > 1.0)
- m_time_of_day_f -= 1.0;
- if(m_time_of_day_f < 0.0)
- m_time_of_day_f += 1.0;
- }
-}
-
-/*
- ABMWithState
-*/
-
-ABMWithState::ABMWithState(ActiveBlockModifier *abm_):
- abm(abm_),
- timer(0)
-{
- // Initialize timer to random value to spread processing
- float itv = abm->getTriggerInterval();
- itv = MYMAX(0.001, itv); // No less than 1ms
- int minval = MYMAX(-0.51*itv, -60); // Clamp to
- int maxval = MYMIN(0.51*itv, 60); // +-60 seconds
- timer = myrand_range(minval, maxval);
-}
-
-/*
- ActiveBlockList
-*/
-
-void fillRadiusBlock(v3s16 p0, s16 r, std::set<v3s16> &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.insert(p);
- }
-}
-
-void ActiveBlockList::update(std::vector<v3s16> &active_positions,
- s16 radius,
- std::set<v3s16> &blocks_removed,
- std::set<v3s16> &blocks_added)
-{
- /*
- Create the new list
- */
- std::set<v3s16> newlist = m_forceloaded_list;
- for(std::vector<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(std::set<v3s16>::iterator i = m_list.begin();
- i != m_list.end(); ++i)
- {
- v3s16 p = *i;
- // If not on new list, it's been removed
- if(newlist.find(p) == newlist.end())
- blocks_removed.insert(p);
- }
-
- /*
- Find out which blocks on the new list are not on the old list
- */
- // Go through new list
- for(std::set<v3s16>::iterator i = newlist.begin();
- i != newlist.end(); ++i)
- {
- v3s16 p = *i;
- // If not on old list, it's been added
- if(m_list.find(p) == m_list.end())
- blocks_added.insert(p);
- }
-
- /*
- Update m_list
- */
- m_list.clear();
- for(std::set<v3s16>::iterator i = newlist.begin();
- i != newlist.end(); ++i)
- {
- v3s16 p = *i;
- m_list.insert(p);
- }
-}
-
-/*
- ServerEnvironment
-*/
-
-ServerEnvironment::ServerEnvironment(ServerMap *map,
- GameScripting *scriptIface, IGameDef *gamedef,
- const std::string &path_world) :
- m_map(map),
- m_script(scriptIface),
- m_gamedef(gamedef),
- m_path_world(path_world),
- m_send_recommended_timer(0),
- m_active_block_interval_overload_skip(0),
- m_game_time(0),
- m_game_time_fraction_counter(0),
- m_recommended_send_interval(0.1),
- m_max_lag_estimate(0.1)
-{
-}
-
-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();
-
- // Delete ActiveBlockModifiers
- for(std::vector<ABMWithState>::iterator
- i = m_abms.begin(); i != m_abms.end(); ++i){
- delete i->abm;
- }
-}
-
-Map & ServerEnvironment::getMap()
-{
- return *m_map;
-}
-
-ServerMap & ServerEnvironment::getServerMap()
-{
- return *m_map;
+ MutexAutoLock lock(this->m_time_lock);
+ return m_time_of_day_f;
}
-bool ServerEnvironment::line_of_sight(v3f pos1, v3f pos2, float stepsize, v3s16 *p)
+bool Environment::line_of_sight(v3f pos1, v3f pos2, v3s16 *p)
{
- float distance = pos1.getDistanceFrom(pos2);
+ // Iterate trough nodes on the line
+ voxalgo::VoxelLineIterator iterator(pos1 / BS, (pos2 - pos1) / BS);
+ do {
+ MapNode n = getMap().getNode(iterator.m_current_node_pos);
- //calculate normalized direction vector
- v3f normalized_vector = v3f((pos2.X - pos1.X)/distance,
- (pos2.Y - pos1.Y)/distance,
- (pos2.Z - pos1.Z)/distance);
-
- //find out if there's a node on path between pos1 and pos2
- for (float i = 1; i < distance; i += stepsize) {
- v3s16 pos = floatToInt(v3f(normalized_vector.X * i,
- normalized_vector.Y * i,
- normalized_vector.Z * i) +pos1,BS);
-
- MapNode n = getMap().getNodeNoEx(pos);
-
- if(n.param0 != CONTENT_AIR) {
- if (p) {
- *p = pos;
- }
+ // Return non-air
+ if (n.param0 != CONTENT_AIR) {
+ if (p)
+ *p = iterator.m_current_node_pos;
return false;
}
- }
+ iterator.next();
+ } while (iterator.m_current_index <= iterator.m_last_index);
return true;
}
-void ServerEnvironment::kickAllPlayers(AccessDeniedCode reason,
- const std::string &str_reason, bool reconnect)
-{
- for (std::vector<Player*>::iterator it = m_players.begin();
- it != m_players.end();
- ++it) {
- ((Server*)m_gamedef)->DenyAccessVerCompliant((*it)->peer_id,
- (*it)->protocol_version, (AccessDeniedCode)reason,
- str_reason, reconnect);
- }
-}
-
-void ServerEnvironment::saveLoadedPlayers()
-{
- std::string players_path = m_path_world + DIR_DELIM "players";
- fs::CreateDir(players_path);
-
- for (std::vector<Player*>::iterator it = m_players.begin();
- it != m_players.end();
- ++it) {
- RemotePlayer *player = static_cast<RemotePlayer*>(*it);
- if (player->checkModified()) {
- player->save(players_path);
- }
- }
-}
-
-void ServerEnvironment::savePlayer(const std::string &playername)
-{
- std::string players_path = m_path_world + DIR_DELIM "players";
- fs::CreateDir(players_path);
-
- RemotePlayer *player = static_cast<RemotePlayer*>(getPlayer(playername.c_str()));
- if (player) {
- player->save(players_path);
- }
-}
-
-Player *ServerEnvironment::loadPlayer(const std::string &playername)
-{
- bool newplayer = false;
- bool found = false;
- std::string players_path = m_path_world + DIR_DELIM "players" DIR_DELIM;
- std::string path = players_path + playername;
-
- RemotePlayer *player = static_cast<RemotePlayer *>(getPlayer(playername.c_str()));
- if (!player) {
- player = new RemotePlayer(m_gamedef, "");
- newplayer = true;
- }
-
- for (u32 i = 0; i < PLAYER_FILE_ALTERNATE_TRIES; i++) {
- //// Open file and deserialize
- std::ifstream is(path.c_str(), std::ios_base::binary);
- if (!is.good())
- continue;
- player->deSerialize(is, path);
- is.close();
-
- if (player->getName() == playername) {
- found = true;
- break;
- }
-
- path = players_path + playername + itos(i);
- }
-
- if (!found) {
- infostream << "Player file for player " << playername
- << " not found" << std::endl;
- if (newplayer)
- delete player;
- return NULL;
- }
-
- if (newplayer)
- addPlayer(player);
- player->setModified(false);
- return player;
-}
-
-void ServerEnvironment::saveMeta()
-{
- std::string path = m_path_world + DIR_DELIM "env_meta.txt";
-
- // Open file and serialize
- std::ostringstream ss(std::ios_base::binary);
-
- Settings args;
- args.setU64("game_time", m_game_time);
- args.setU64("time_of_day", getTimeOfDay());
- args.writeLines(ss);
- ss<<"EnvArgsEnd\n";
-
- if(!fs::safeWriteToFile(path, ss.str()))
- {
- infostream<<"ServerEnvironment::saveMeta(): Failed to write "
- <<path<<std::endl;
- throw SerializationError("Couldn't save env meta");
- }
-}
-
-void ServerEnvironment::loadMeta()
+/*
+ Check if a node is pointable
+*/
+inline static bool isPointableNode(const MapNode &n,
+ const NodeDefManager *nodedef , bool liquids_pointable, bool nodes_pointable)
{
- std::string path = m_path_world + DIR_DELIM "env_meta.txt";
-
- // Open file and deserialize
- std::ifstream is(path.c_str(), std::ios_base::binary);
- if (!is.good()) {
- infostream << "ServerEnvironment::loadMeta(): Failed to open "
- << path << std::endl;
- throw SerializationError("Couldn't load env meta");
- }
-
- Settings args;
-
- if (!args.parseConfigLines(is, "EnvArgsEnd")) {
- throw SerializationError("ServerEnvironment::loadMeta(): "
- "EnvArgsEnd not found!");
- }
-
- 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 (! nodes_pointable)
+ return false;
+ const ContentFeatures &features = nodedef->get(n);
+ return features.pointable ||
+ ((liquids_pointable || g_settings->getBool("point_liquids")) && features.isLiquid());
}
-struct ActiveABM
+void Environment::continueRaycast(RaycastState *state, PointedThing *result)
{
- ActiveBlockModifier *abm;
- int chance;
- std::set<content_t> required_neighbors;
-};
-
-class ABMHandler
-{
-private:
- ServerEnvironment *m_env;
- std::map<content_t, std::vector<ActiveABM> > m_aabms;
-public:
- ABMHandler(std::vector<ABMWithState> &abms,
- float dtime_s, ServerEnvironment *env,
- bool use_timers):
- m_env(env)
- {
- if(dtime_s < 0.001)
- return;
- INodeDefManager *ndef = env->getGameDef()->ndef();
- for(std::vector<ABMWithState>::iterator
- i = abms.begin(); i != abms.end(); ++i) {
- ActiveBlockModifier *abm = i->abm;
- float trigger_interval = abm->getTriggerInterval();
- if(trigger_interval < 0.001)
- trigger_interval = 0.001;
- float actual_interval = dtime_s;
- if(use_timers){
- i->timer += dtime_s;
- if(i->timer < trigger_interval)
- continue;
- i->timer -= trigger_interval;
- actual_interval = trigger_interval;
- }
- float intervals = actual_interval / trigger_interval;
- if(intervals == 0)
- continue;
- float chance = abm->getTriggerChance();
- if(chance == 0)
- chance = 1;
- ActiveABM aabm;
- aabm.abm = abm;
- aabm.chance = chance / intervals;
- if(aabm.chance == 0)
- aabm.chance = 1;
- // Trigger neighbors
- std::set<std::string> required_neighbors_s
- = abm->getRequiredNeighbors();
- for(std::set<std::string>::iterator
- i = required_neighbors_s.begin();
- i != required_neighbors_s.end(); i++)
- {
- ndef->getIds(*i, aabm.required_neighbors);
- }
- // Trigger contents
- std::set<std::string> contents_s = abm->getTriggerContents();
- for(std::set<std::string>::iterator
- i = contents_s.begin(); i != contents_s.end(); i++)
- {
- std::set<content_t> ids;
- ndef->getIds(*i, ids);
- for(std::set<content_t>::const_iterator k = ids.begin();
- k != ids.end(); k++)
- {
- content_t c = *k;
- std::map<content_t, std::vector<ActiveABM> >::iterator j;
- j = m_aabms.find(c);
- if(j == m_aabms.end()){
- std::vector<ActiveABM> aabmlist;
- m_aabms[c] = aabmlist;
- j = m_aabms.find(c);
- }
- j->second.push_back(aabm);
- }
+ const NodeDefManager *nodedef = getMap().getNodeDefManager();
+ if (state->m_initialization_needed) {
+ // Add objects
+ if (state->m_objects_pointable) {
+ std::vector<PointedThing> found;
+ getSelectedActiveObjects(state->m_shootline, found);
+ for (const PointedThing &pointed : found) {
+ state->m_found.push(pointed);
}
}
- }
- // Find out how many objects the given block and its neighbours contain.
- // Returns the number of objects in the block, and also in 'wider' the
- // number of objects in the block and all its neighbours. The latter
- // may an estimate if any neighbours are unloaded.
- u32 countObjects(MapBlock *block, ServerMap * map, u32 &wider)
- {
- wider = 0;
- u32 wider_unknown_count = 0;
- for(s16 x=-1; x<=1; x++)
- for(s16 y=-1; y<=1; y++)
- for(s16 z=-1; z<=1; z++)
- {
- MapBlock *block2 = map->getBlockNoCreateNoEx(
- block->getPos() + v3s16(x,y,z));
- if(block2==NULL){
- wider_unknown_count++;
+ // Set search range
+ core::aabbox3d<s16> maximal_exceed = nodedef->getSelectionBoxIntUnion();
+ state->m_search_range.MinEdge = -maximal_exceed.MaxEdge;
+ state->m_search_range.MaxEdge = -maximal_exceed.MinEdge;
+ // Setting is done
+ state->m_initialization_needed = false;
+ }
+
+ // The index of the first pointed thing that was not returned
+ // before. The last index which needs to be tested.
+ s16 lastIndex = state->m_iterator.m_last_index;
+ if (!state->m_found.empty()) {
+ lastIndex = state->m_iterator.getIndex(
+ floatToInt(state->m_found.top().intersection_point, BS));
+ }
+
+ Map &map = getMap();
+ // If a node is found, this is the center of the
+ // first nodebox the shootline meets.
+ v3f found_boxcenter(0, 0, 0);
+ // The untested nodes are in this range.
+ core::aabbox3d<s16> new_nodes;
+ while (state->m_iterator.m_current_index <= lastIndex) {
+ // Test the nodes around the current node in search_range.
+ new_nodes = state->m_search_range;
+ new_nodes.MinEdge += state->m_iterator.m_current_node_pos;
+ new_nodes.MaxEdge += state->m_iterator.m_current_node_pos;
+
+ // Only check new nodes
+ v3s16 delta = state->m_iterator.m_current_node_pos
+ - state->m_previous_node;
+ if (delta.X > 0) {
+ new_nodes.MinEdge.X = new_nodes.MaxEdge.X;
+ } else if (delta.X < 0) {
+ new_nodes.MaxEdge.X = new_nodes.MinEdge.X;
+ } else if (delta.Y > 0) {
+ new_nodes.MinEdge.Y = new_nodes.MaxEdge.Y;
+ } else if (delta.Y < 0) {
+ new_nodes.MaxEdge.Y = new_nodes.MinEdge.Y;
+ } else if (delta.Z > 0) {
+ new_nodes.MinEdge.Z = new_nodes.MaxEdge.Z;
+ } else if (delta.Z < 0) {
+ new_nodes.MaxEdge.Z = new_nodes.MinEdge.Z;
+ }
+
+ if (new_nodes.MaxEdge.X == S16_MAX ||
+ new_nodes.MaxEdge.Y == S16_MAX ||
+ new_nodes.MaxEdge.Z == S16_MAX) {
+ break; // About to go out of bounds
+ }
+
+ // For each untested node
+ for (s16 x = new_nodes.MinEdge.X; x <= new_nodes.MaxEdge.X; x++)
+ for (s16 y = new_nodes.MinEdge.Y; y <= new_nodes.MaxEdge.Y; y++)
+ for (s16 z = new_nodes.MinEdge.Z; z <= new_nodes.MaxEdge.Z; z++) {
+ MapNode n;
+ v3s16 np(x, y, z);
+ bool is_valid_position;
+
+ n = map.getNode(np, &is_valid_position);
+ if (!(is_valid_position && isPointableNode(n, nodedef,
+ state->m_liquids_pointable, state->m_nodes_pointable))) {
continue;
}
- wider += block2->m_static_objects.m_active.size()
- + block2->m_static_objects.m_stored.size();
- }
- // Extrapolate
- u32 active_object_count = block->m_static_objects.m_active.size();
- u32 wider_known_count = 3*3*3 - wider_unknown_count;
- wider += wider_unknown_count * wider / wider_known_count;
- return active_object_count;
-
- }
- void apply(MapBlock *block)
- {
- if(m_aabms.empty())
- return;
-
- ServerMap *map = &m_env->getServerMap();
- u32 active_object_count_wider;
- u32 active_object_count = this->countObjects(block, map, active_object_count_wider);
- m_env->m_added_objects = 0;
-
- 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++)
- {
- MapNode n = block->getNodeNoEx(p0);
- content_t c = n.getContent();
- v3s16 p = p0 + block->getPosRelative();
-
- std::map<content_t, std::vector<ActiveABM> >::iterator j;
- j = m_aabms.find(c);
- if(j == m_aabms.end())
- continue;
-
- for(std::vector<ActiveABM>::iterator
- i = j->second.begin(); i != j->second.end(); i++) {
- if(myrand() % i->chance != 0)
- continue;
-
- // Check neighbors
- if(!i->required_neighbors.empty())
- {
- v3s16 p1;
- for(p1.X = p.X-1; p1.X <= p.X+1; p1.X++)
- for(p1.Y = p.Y-1; p1.Y <= p.Y+1; p1.Y++)
- for(p1.Z = p.Z-1; p1.Z <= p.Z+1; p1.Z++)
- {
- if(p1 == p)
- continue;
- MapNode n = map->getNodeNoEx(p1);
- content_t c = n.getContent();
- std::set<content_t>::const_iterator k;
- k = i->required_neighbors.find(c);
- if(k != i->required_neighbors.end()){
- goto neighbor_found;
- }
- }
- // No required neighbor found
+ PointedThing result;
+
+ std::vector<aabb3f> boxes;
+ n.getSelectionBoxes(nodedef, &boxes,
+ n.getNeighbors(np, &map));
+
+ // Is there a collision with a selection box?
+ bool is_colliding = false;
+ // Minimal distance of all collisions
+ float min_distance_sq = 10000000;
+ // ID of the current box (loop counter)
+ u16 id = 0;
+
+ v3f npf = intToFloat(np, BS);
+ // This loop translates the boxes to their in-world place.
+ for (aabb3f &box : boxes) {
+ box.MinEdge += npf;
+ box.MaxEdge += npf;
+
+ v3f intersection_point;
+ v3s16 intersection_normal;
+ if (!boxLineCollision(box, state->m_shootline.start,
+ state->m_shootline.getVector(), &intersection_point,
+ &intersection_normal)) {
+ ++id;
continue;
}
-neighbor_found:
- // Call all the trigger variations
- i->abm->trigger(m_env, p, n);
- i->abm->trigger(m_env, p, n,
- active_object_count, active_object_count_wider);
-
- // Count surrounding objects again if the abms added any
- if(m_env->m_added_objects > 0) {
- active_object_count = countObjects(block, map, active_object_count_wider);
- m_env->m_added_objects = 0;
+ f32 distanceSq = (intersection_point
+ - state->m_shootline.start).getLengthSQ();
+ // If this is the nearest collision, save it
+ if (min_distance_sq > distanceSq) {
+ min_distance_sq = distanceSq;
+ result.intersection_point = intersection_point;
+ result.intersection_normal = intersection_normal;
+ result.box_id = id;
+ found_boxcenter = box.getCenter();
+ is_colliding = true;
}
+ ++id;
+ }
+ // If there wasn't a collision, stop
+ if (!is_colliding) {
+ continue;
+ }
+ result.type = POINTEDTHING_NODE;
+ result.node_undersurface = np;
+ result.distanceSq = min_distance_sq;
+ // Set undersurface and abovesurface nodes
+ f32 d = 0.002 * BS;
+ v3f fake_intersection = result.intersection_point;
+ // Move intersection towards its source block.
+ if (fake_intersection.X < found_boxcenter.X) {
+ fake_intersection.X += d;
+ } else {
+ fake_intersection.X -= d;
+ }
+ if (fake_intersection.Y < found_boxcenter.Y) {
+ fake_intersection.Y += d;
+ } else {
+ fake_intersection.Y -= d;
+ }
+ if (fake_intersection.Z < found_boxcenter.Z) {
+ fake_intersection.Z += d;
+ } else {
+ fake_intersection.Z -= d;
+ }
+ result.node_real_undersurface = floatToInt(
+ fake_intersection, BS);
+ result.node_abovesurface = result.node_real_undersurface
+ + result.intersection_normal;
+ // Push found PointedThing
+ state->m_found.push(result);
+ // If this is nearer than the old nearest object,
+ // the search can be shorter
+ s16 newIndex = state->m_iterator.getIndex(
+ result.node_real_undersurface);
+ if (newIndex < lastIndex) {
+ lastIndex = newIndex;
}
}
+ // Next node
+ state->m_previous_node = state->m_iterator.m_current_node_pos;
+ state->m_iterator.next();
}
-};
-
-void ServerEnvironment::activateBlock(MapBlock *block, u32 additional_dtime)
-{
- // Reset usage timer immediately, otherwise a block that becomes active
- // again at around the same time as it would normally be unloaded will
- // get unloaded incorrectly. (I think this still leaves a small possibility
- // of a race condition between this and server::AsyncRunStep, which only
- // some kind of synchronisation will fix, but it at least reduces the window
- // of opportunity for it to break from seconds to nanoseconds)
- block->resetUsageTimer();
-
- // 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;
-
- /*infostream<<"ServerEnvironment::activateBlock(): block timestamp: "
- <<stamp<<", game time: "<<m_game_time<<std::endl;*/
-
- // Set current time as timestamp
- block->setTimestampNoChangedFlag(m_game_time);
-
- /*infostream<<"ServerEnvironment::activateBlock(): block is "
- <<dtime_s<<" seconds old."<<std::endl;*/
-
- // Activate stored objects
- activateObjects(block, dtime_s);
-
- // Run node timers
- std::map<v3s16, NodeTimer> elapsed_timers =
- block->m_node_timers.step((float)dtime_s);
- if(!elapsed_timers.empty()){
- MapNode n;
- for(std::map<v3s16, NodeTimer>::iterator
- i = elapsed_timers.begin();
- i != elapsed_timers.end(); i++){
- n = block->getNodeNoEx(i->first);
- v3s16 p = i->first + block->getPosRelative();
- if(m_script->node_on_timer(p,n,i->second.elapsed))
- block->setNodeTimer(i->first,NodeTimer(i->second.timeout,0));
- }
+ // Return empty PointedThing if nothing left on the ray
+ if (state->m_found.empty()) {
+ result->type = POINTEDTHING_NOTHING;
+ } else {
+ *result = state->m_found.top();
+ state->m_found.pop();
}
-
- /* Handle ActiveBlockModifiers */
- ABMHandler abmhandler(m_abms, dtime_s, this, false);
- abmhandler.apply(block);
-}
-
-void ServerEnvironment::addActiveBlockModifier(ActiveBlockModifier *abm)
-{
- m_abms.push_back(ABMWithState(abm));
-}
-
-bool ServerEnvironment::setNode(v3s16 p, const MapNode &n)
-{
- INodeDefManager *ndef = m_gamedef->ndef();
- MapNode n_old = m_map->getNodeNoEx(p);
-
- // Call destructor
- if (ndef->get(n_old).has_on_destruct)
- m_script->node_on_destruct(p, n_old);
-
- // Replace node
- if (!m_map->addNodeWithEvent(p, n))
- return false;
-
- // Update active VoxelManipulator if a mapgen thread
- m_map->updateVManip(p);
-
- // Call post-destructor
- if (ndef->get(n_old).has_after_destruct)
- m_script->node_after_destruct(p, n_old);
-
- // Call constructor
- if (ndef->get(n).has_on_construct)
- m_script->node_on_construct(p, n);
-
- return true;
}
-bool ServerEnvironment::removeNode(v3s16 p)
-{
- INodeDefManager *ndef = m_gamedef->ndef();
- MapNode n_old = m_map->getNodeNoEx(p);
-
- // Call destructor
- if (ndef->get(n_old).has_on_destruct)
- m_script->node_on_destruct(p, n_old);
-
- // Replace with air
- // This is slightly optimized compared to addNodeWithEvent(air)
- if (!m_map->removeNodeWithEvent(p))
- return false;
-
- // Update active VoxelManipulator if a mapgen thread
- m_map->updateVManip(p);
-
- // Call post-destructor
- if (ndef->get(n_old).has_after_destruct)
- m_script->node_after_destruct(p, n_old);
-
- // Air doesn't require constructor
- return true;
-}
-
-bool ServerEnvironment::swapNode(v3s16 p, const MapNode &n)
+void Environment::stepTimeOfDay(float dtime)
{
- if (!m_map->addNodeWithEvent(p, n, false))
- return false;
-
- // Update active VoxelManipulator if a mapgen thread
- m_map->updateVManip(p);
-
- return true;
-}
+ MutexAutoLock lock(this->m_time_lock);
-void ServerEnvironment::getObjectsInsideRadius(std::vector<u16> &objects, v3f pos, float radius)
-{
- for(std::map<u16, ServerActiveObject*>::iterator
- i = m_active_objects.begin();
- i != m_active_objects.end(); ++i)
- {
- ServerActiveObject* obj = i->second;
- u16 id = i->first;
- v3f objectpos = obj->getBasePosition();
- if(objectpos.getDistanceFrom(pos) > radius)
- continue;
- objects.push_back(id);
- }
-}
+ // Cached in order to prevent the two reads we do to give
+ // different results (can be written by code not under the lock)
+ f32 cached_time_of_day_speed = m_time_of_day_speed;
-void ServerEnvironment::clearAllObjects()
-{
- infostream<<"ServerEnvironment::clearAllObjects(): "
- <<"Removing all active objects"<<std::endl;
- std::vector<u16> objects_to_remove;
- for(std::map<u16, ServerActiveObject*>::iterator
- i = m_active_objects.begin();
- i != m_active_objects.end(); ++i) {
- ServerActiveObject* obj = i->second;
- if(obj->getType() == ACTIVEOBJECT_TYPE_PLAYER)
- continue;
- u16 id = i->first;
- // Delete static object if block is loaded
- if(obj->m_static_exists){
- MapBlock *block = m_map->getBlockNoCreateNoEx(obj->m_static_block);
- if(block){
- block->m_static_objects.remove(id);
- block->raiseModified(MOD_STATE_WRITE_NEEDED,
- MOD_REASON_CLEAR_ALL_OBJECTS);
- obj->m_static_exists = false;
- }
- }
- // If known by some client, don't delete immediately
- if(obj->m_known_by_count > 0){
- obj->m_pending_deactivation = true;
- obj->m_removed = true;
- continue;
+ f32 speed = cached_time_of_day_speed * 24000. / (24. * 3600);
+ m_time_conversion_skew += dtime;
+ u32 units = (u32)(m_time_conversion_skew * speed);
+ bool sync_f = false;
+ if (units > 0) {
+ // Sync at overflow
+ if (m_time_of_day + units >= 24000) {
+ sync_f = true;
+ ++m_day_count;
}
-
- // Tell the object about removal
- obj->removingFromEnvironment();
- // Deregister in scripting api
- m_script->removeObjectReference(obj);
-
- // Delete active object
- if(obj->environmentDeletes())
- delete obj;
- // Id to be removed from m_active_objects
- objects_to_remove.push_back(id);
- }
-
- // Remove references from m_active_objects
- for(std::vector<u16>::iterator i = objects_to_remove.begin();
- i != objects_to_remove.end(); ++i) {
- m_active_objects.erase(*i);
- }
-
- // Get list of loaded blocks
- std::vector<v3s16> loaded_blocks;
- infostream<<"ServerEnvironment::clearAllObjects(): "
- <<"Listing all loaded blocks"<<std::endl;
- m_map->listAllLoadedBlocks(loaded_blocks);
- infostream<<"ServerEnvironment::clearAllObjects(): "
- <<"Done listing all loaded blocks: "
- <<loaded_blocks.size()<<std::endl;
-
- // Get list of loadable blocks
- std::vector<v3s16> loadable_blocks;
- infostream<<"ServerEnvironment::clearAllObjects(): "
- <<"Listing all loadable blocks"<<std::endl;
- m_map->listAllLoadableBlocks(loadable_blocks);
- infostream<<"ServerEnvironment::clearAllObjects(): "
- <<"Done listing all loadable blocks: "
- <<loadable_blocks.size()
- <<", now clearing"<<std::endl;
-
- // Grab a reference on each loaded block to avoid unloading it
- for(std::vector<v3s16>::iterator i = loaded_blocks.begin();
- i != loaded_blocks.end(); ++i) {
- v3s16 p = *i;
- MapBlock *block = m_map->getBlockNoCreateNoEx(p);
- assert(block != NULL);
- block->refGrab();
+ m_time_of_day = (m_time_of_day + units) % 24000;
+ if (sync_f)
+ m_time_of_day_f = (float)m_time_of_day / 24000.0;
}
-
- // Remove objects in all loadable blocks
- u32 unload_interval = g_settings->getS32("max_clearobjects_extra_loaded_blocks");
- unload_interval = MYMAX(unload_interval, 1);
- u32 report_interval = loadable_blocks.size() / 10;
- u32 num_blocks_checked = 0;
- u32 num_blocks_cleared = 0;
- u32 num_objs_cleared = 0;
- for(std::vector<v3s16>::iterator i = loadable_blocks.begin();
- i != loadable_blocks.end(); ++i) {
- v3s16 p = *i;
- MapBlock *block = m_map->emergeBlock(p, false);
- if(!block){
- errorstream<<"ServerEnvironment::clearAllObjects(): "
- <<"Failed to emerge block "<<PP(p)<<std::endl;
- continue;
- }
- u32 num_stored = block->m_static_objects.m_stored.size();
- u32 num_active = block->m_static_objects.m_active.size();
- if(num_stored != 0 || num_active != 0){
- block->m_static_objects.m_stored.clear();
- block->m_static_objects.m_active.clear();
- block->raiseModified(MOD_STATE_WRITE_NEEDED,
- MOD_REASON_CLEAR_ALL_OBJECTS);
- num_objs_cleared += num_stored + num_active;
- num_blocks_cleared++;
- }
- num_blocks_checked++;
-
- if(report_interval != 0 &&
- num_blocks_checked % report_interval == 0){
- float percent = 100.0 * (float)num_blocks_checked /
- loadable_blocks.size();
- infostream<<"ServerEnvironment::clearAllObjects(): "
- <<"Cleared "<<num_objs_cleared<<" objects"
- <<" in "<<num_blocks_cleared<<" blocks ("
- <<percent<<"%)"<<std::endl;
- }
- if(num_blocks_checked % unload_interval == 0){
- m_map->unloadUnreferencedBlocks();
- }
+ if (speed > 0) {
+ m_time_conversion_skew -= (f32)units / speed;
}
- m_map->unloadUnreferencedBlocks();
-
- // Drop references that were added above
- for(std::vector<v3s16>::iterator i = loaded_blocks.begin();
- i != loaded_blocks.end(); ++i) {
- v3s16 p = *i;
- MapBlock *block = m_map->getBlockNoCreateNoEx(p);
- assert(block);
- block->refDrop();
+ if (!sync_f) {
+ m_time_of_day_f += cached_time_of_day_speed / 24 / 3600 * dtime;
+ if (m_time_of_day_f > 1.0)
+ m_time_of_day_f -= 1.0;
+ if (m_time_of_day_f < 0.0)
+ m_time_of_day_f += 1.0;
}
-
- infostream<<"ServerEnvironment::clearAllObjects(): "
- <<"Finished: Cleared "<<num_objs_cleared<<" objects"
- <<" in "<<num_blocks_cleared<<" blocks"<<std::endl;
}
-void ServerEnvironment::step(float dtime)
+u32 Environment::getDayCount()
{
- DSTACK(__FUNCTION_NAME);
-
- //TimeTaker timer("ServerEnv step");
-
- /* Step time of day */
- stepTimeOfDay(dtime);
-
- // Update this one
- // NOTE: This is kind of funny on a singleplayer game, but doesn't
- // really matter that much.
- m_recommended_send_interval = g_settings->getFloat("dedicated_server_step");
-
- /*
- 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
- */
- {
- ScopeProfiler sp(g_profiler, "SEnv: handle players avg", SPT_AVG);
- for(std::vector<Player*>::iterator i = m_players.begin();
- i != m_players.end(); ++i)
- {
- Player *player = *i;
-
- // Ignore disconnected players
- if(player->peer_id == 0)
- continue;
-
- // Move
- player->move(dtime, this, 100*BS);
- }
- }
-
- /*
- Manage active block list
- */
- if(m_active_blocks_management_interval.step(dtime, 2.0))
- {
- ScopeProfiler sp(g_profiler, "SEnv: manage act. block list avg /2s", SPT_AVG);
- /*
- Get player block positions
- */
- std::vector<v3s16> players_blockpos;
- for(std::vector<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 = g_settings->getS16("active_block_range");
- std::set<v3s16> blocks_removed;
- std::set<v3s16> 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(std::set<v3s16>::iterator
- i = blocks_removed.begin();
- i != blocks_removed.end(); ++i)
- {
- v3s16 p = *i;
-
- /* infostream<<"Server: Block " << PP(p)
- << " 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(std::set<v3s16>::iterator
- i = blocks_added.begin();
- i != blocks_added.end(); ++i)
- {
- v3s16 p = *i;
-
- MapBlock *block = m_map->getBlockOrEmerge(p);
- if(block==NULL){
- m_active_blocks.m_list.erase(p);
- continue;
- }
-
- activateBlock(block);
- /* infostream<<"Server: Block " << PP(p)
- << " became active"<<std::endl; */
- }
- }
-
- /*
- Mess around in active blocks
- */
- if(m_active_blocks_nodemetadata_interval.step(dtime, 1.0))
- {
- ScopeProfiler sp(g_profiler, "SEnv: mess in act. blocks avg /1s", SPT_AVG);
-
- float dtime = 1.0;
-
- for(std::set<v3s16>::iterator
- i = m_active_blocks.m_list.begin();
- i != m_active_blocks.m_list.end(); ++i)
- {
- v3s16 p = *i;
-
- /*infostream<<"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);
- // If time has changed much from the one on disk,
- // set block to be saved when it is unloaded
- if(block->getTimestamp() > block->getDiskTimestamp() + 60)
- block->raiseModified(MOD_STATE_WRITE_AT_UNLOAD,
- MOD_REASON_BLOCK_EXPIRED);
-
- // Run node timers
- std::map<v3s16, NodeTimer> elapsed_timers =
- block->m_node_timers.step((float)dtime);
- if(!elapsed_timers.empty()){
- MapNode n;
- for(std::map<v3s16, NodeTimer>::iterator
- i = elapsed_timers.begin();
- i != elapsed_timers.end(); i++){
- n = block->getNodeNoEx(i->first);
- p = i->first + block->getPosRelative();
- if(m_script->node_on_timer(p,n,i->second.elapsed))
- block->setNodeTimer(i->first,NodeTimer(i->second.timeout,0));
- }
- }
- }
- }
-
- const float abm_interval = 1.0;
- if(m_active_block_modifier_interval.step(dtime, abm_interval))
- do{ // breakable
- if(m_active_block_interval_overload_skip > 0){
- ScopeProfiler sp(g_profiler, "SEnv: ABM overload skips");
- m_active_block_interval_overload_skip--;
- break;
- }
- ScopeProfiler sp(g_profiler, "SEnv: modify in blocks avg /1s", SPT_AVG);
- TimeTaker timer("modify in active blocks");
-
- // Initialize handling of ActiveBlockModifiers
- ABMHandler abmhandler(m_abms, abm_interval, this, true);
-
- for(std::set<v3s16>::iterator
- i = m_active_blocks.m_list.begin();
- i != m_active_blocks.m_list.end(); ++i)
- {
- v3s16 p = *i;
-
- /*infostream<<"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);
-
- /* Handle ActiveBlockModifiers */
- abmhandler.apply(block);
- }
-
- u32 time_ms = timer.stop(true);
- u32 max_time_ms = 200;
- if(time_ms > max_time_ms){
- infostream<<"WARNING: active block modifiers took "
- <<time_ms<<"ms (longer than "
- <<max_time_ms<<"ms)"<<std::endl;
- m_active_block_interval_overload_skip = (time_ms / max_time_ms) + 1;
- }
- }while(0);
-
- /*
- Step script environment (run global on_step())
- */
- m_script->environment_Step(dtime);
-
- /*
- Step active objects
- */
- {
- ScopeProfiler sp(g_profiler, "SEnv: step act. objs avg", SPT_AVG);
- //TimeTaker timer("Step active objects");
-
- g_profiler->avg("SEnv: num of objects", m_active_objects.size());
-
- // 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 > getSendRecommendedInterval())
- {
- m_send_recommended_timer -= getSendRecommendedInterval();
- send_recommended = true;
- }
-
- for(std::map<u16, ServerActiveObject*>::iterator
- i = m_active_objects.begin();
- i != m_active_objects.end(); ++i)
- {
- ServerActiveObject* obj = i->second;
- // 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.empty())
- {
- m_active_object_messages.push(
- obj->m_messages_out.front());
- obj->m_messages_out.pop();
- }
- }
- }
-
- /*
- Manage active objects
- */
- if(m_object_management_interval.step(dtime, 0.5))
- {
- ScopeProfiler sp(g_profiler, "SEnv: remove removed objs avg /.5s", SPT_AVG);
- /*
- Remove objects that satisfy (m_removed && m_known_by_count==0)
- */
- removeRemovedObjects();
- }
+ // Atomic<u32> counter
+ return m_day_count;
}
-
-ServerActiveObject* ServerEnvironment::getActiveObject(u16 id)
-{
- std::map<u16, ServerActiveObject*>::iterator n;
- n = m_active_objects.find(id);
- if(n == m_active_objects.end())
- return NULL;
- return n->second;
-}
-
-bool isFreeServerActiveObjectId(u16 id,
- std::map<u16, ServerActiveObject*> &objects)
-{
- if(id == 0)
- return false;
-
- return objects.find(id) == objects.end();
-}
-
-u16 getFreeServerActiveObjectId(
- std::map<u16, ServerActiveObject*> &objects)
-{
- //try to reuse id's as late as possible
- static u16 last_used_id = 0;
- u16 startid = last_used_id;
- for(;;)
- {
- last_used_id ++;
- if(isFreeServerActiveObjectId(last_used_id, objects))
- return last_used_id;
-
- if(last_used_id == startid)
- return 0;
- }
-}
-
-u16 ServerEnvironment::addActiveObject(ServerActiveObject *object)
-{
- assert(object); // Pre-condition
- m_added_objects++;
- u16 id = addActiveObjectRaw(object, true, 0);
- return id;
-}
-
-/*
- Finds out what new objects have been added to
- inside a radius around a position
-*/
-void ServerEnvironment::getAddedActiveObjects(v3s16 pos, s16 radius,
- s16 player_radius,
- std::set<u16> ¤t_objects,
- std::set<u16> &added_objects)
-{
- v3f pos_f = intToFloat(pos, BS);
- f32 radius_f = radius * BS;
- f32 player_radius_f = player_radius * BS;
-
- if (player_radius_f < 0)
- player_radius_f = 0;
-
- /*
- 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(std::map<u16, ServerActiveObject*>::iterator
- i = m_active_objects.begin();
- i != m_active_objects.end(); ++i)
- {
- u16 id = i->first;
- // Get object
- ServerActiveObject *object = i->second;
- if(object == NULL)
- continue;
- // Discard if removed or deactivating
- if(object->m_removed || object->m_pending_deactivation)
- continue;
-
- f32 distance_f = object->getBasePosition().getDistanceFrom(pos_f);
- if (object->getType() == ACTIVEOBJECT_TYPE_PLAYER) {
- // Discard if too far
- if (distance_f > player_radius_f && player_radius_f != 0)
- continue;
- } else if (distance_f > radius_f)
- continue;
-
- // Discard if already on current_objects
- std::set<u16>::iterator n;
- n = current_objects.find(id);
- if(n != current_objects.end())
- continue;
- // Add to added_objects
- added_objects.insert(id);
- }
-}
-
-/*
- Finds out what objects have been removed from
- inside a radius around a position
-*/
-void ServerEnvironment::getRemovedActiveObjects(v3s16 pos, s16 radius,
- s16 player_radius,
- std::set<u16> ¤t_objects,
- std::set<u16> &removed_objects)
-{
- v3f pos_f = intToFloat(pos, BS);
- f32 radius_f = radius * BS;
- f32 player_radius_f = player_radius * BS;
-
- if (player_radius_f < 0)
- player_radius_f = 0;
-
- /*
- 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(std::set<u16>::iterator
- i = current_objects.begin();
- i != current_objects.end(); ++i)
- {
- u16 id = *i;
- ServerActiveObject *object = getActiveObject(id);
-
- if(object == NULL){
- infostream<<"ServerEnvironment::getRemovedActiveObjects():"
- <<" object in current_objects is NULL"<<std::endl;
- removed_objects.insert(id);
- continue;
- }
-
- if(object->m_removed || object->m_pending_deactivation)
- {
- removed_objects.insert(id);
- continue;
- }
-
- f32 distance_f = object->getBasePosition().getDistanceFrom(pos_f);
- if (object->getType() == ACTIVEOBJECT_TYPE_PLAYER) {
- if (distance_f <= player_radius_f || player_radius_f == 0)
- continue;
- } else if (distance_f <= radius_f)
- continue;
-
- // Object is no longer visible
- removed_objects.insert(id);
- }
-}
-
-void ServerEnvironment::setStaticForActiveObjectsInBlock(
- v3s16 blockpos, bool static_exists, v3s16 static_block)
-{
- MapBlock *block = m_map->getBlockNoCreateNoEx(blockpos);
- if (!block)
- return;
-
- for (std::map<u16, StaticObject>::iterator
- so_it = block->m_static_objects.m_active.begin();
- so_it != block->m_static_objects.m_active.end(); ++so_it) {
- // Get the ServerActiveObject counterpart to this StaticObject
- std::map<u16, ServerActiveObject *>::iterator ao_it;
- ao_it = m_active_objects.find(so_it->first);
- if (ao_it == m_active_objects.end()) {
- // If this ever happens, there must be some kind of nasty bug.
- errorstream << "ServerEnvironment::setStaticForObjectsInBlock(): "
- "Object from MapBlock::m_static_objects::m_active not found "
- "in m_active_objects";
- continue;
- }
-
- ServerActiveObject *sao = ao_it->second;
- sao->m_static_exists = static_exists;
- sao->m_static_block = static_block;
- }
-}
-
-ActiveObjectMessage ServerEnvironment::getActiveObjectMessage()
-{
- if(m_active_object_messages.empty())
- return ActiveObjectMessage(0);
-
- ActiveObjectMessage message = m_active_object_messages.front();
- m_active_object_messages.pop();
- return message;
-}
-
-/*
- ************ Private methods *************
-*/
-
-u16 ServerEnvironment::addActiveObjectRaw(ServerActiveObject *object,
- bool set_changed, u32 dtime_s)
-{
- assert(object); // Pre-condition
- if(object->getId() == 0){
- u16 new_id = getFreeServerActiveObjectId(m_active_objects);
- if(new_id == 0)
- {
- errorstream<<"ServerEnvironment::addActiveObjectRaw(): "
- <<"no free ids available"<<std::endl;
- if(object->environmentDeletes())
- delete object;
- return 0;
- }
- object->setId(new_id);
- }
- else{
- verbosestream<<"ServerEnvironment::addActiveObjectRaw(): "
- <<"supplied with id "<<object->getId()<<std::endl;
- }
- if(isFreeServerActiveObjectId(object->getId(), m_active_objects) == false)
- {
- errorstream<<"ServerEnvironment::addActiveObjectRaw(): "
- <<"id is not free ("<<object->getId()<<")"<<std::endl;
- if(object->environmentDeletes())
- delete object;
- return 0;
- }
- /*infostream<<"ServerEnvironment::addActiveObjectRaw(): "
- <<"added (id="<<object->getId()<<")"<<std::endl;*/
-
- m_active_objects[object->getId()] = object;
-
- verbosestream<<"ServerEnvironment::addActiveObjectRaw(): "
- <<"Added id="<<object->getId()<<"; there are now "
- <<m_active_objects.size()<<" active objects."
- <<std::endl;
-
- // Register reference in scripting api (must be done before post-init)
- m_script->addObjectReference(object);
- // Post-initialize object
- object->addedToEnvironment(dtime_s);
-
- // Add static data to block
- if(object->isStaticAllowed())
- {
- // 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->emergeBlock(blockpos);
- if(block){
- block->m_static_objects.m_active[object->getId()] = s_obj;
- object->m_static_exists = true;
- object->m_static_block = blockpos;
-
- if(set_changed)
- block->raiseModified(MOD_STATE_WRITE_NEEDED,
- MOD_REASON_ADD_ACTIVE_OBJECT_RAW);
- } else {
- v3s16 p = floatToInt(objectpos, BS);
- errorstream<<"ServerEnvironment::addActiveObjectRaw(): "
- <<"could not emerge block for storing id="<<object->getId()
- <<" statically (pos="<<PP(p)<<")"<<std::endl;
- }
- }
-
- return object->getId();
-}
-
-/*
- Remove objects that satisfy (m_removed && m_known_by_count==0)
-*/
-void ServerEnvironment::removeRemovedObjects()
-{
- std::vector<u16> objects_to_remove;
- for(std::map<u16, ServerActiveObject*>::iterator
- i = m_active_objects.begin();
- i != m_active_objects.end(); ++i) {
- u16 id = i->first;
- ServerActiveObject* obj = i->second;
- // This shouldn't happen but check it
- if(obj == NULL)
- {
- infostream<<"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->emergeBlock(obj->m_static_block, false);
- if (block) {
- block->m_static_objects.remove(id);
- block->raiseModified(MOD_STATE_WRITE_NEEDED,
- MOD_REASON_REMOVE_OBJECTS_REMOVE);
- obj->m_static_exists = false;
- } else {
- infostream<<"Failed to emerge block from which an object to "
- <<"be removed was loaded from. id="<<id<<std::endl;
- }
- }
-
- // If m_known_by_count > 0, don't actually remove. On some future
- // invocation this will be 0, which is when removal will continue.
- if(obj->m_known_by_count > 0)
- continue;
-
- /*
- Move static data from active to stored if not marked as removed
- */
- if(obj->m_static_exists && !obj->m_removed){
- MapBlock *block = m_map->emergeBlock(obj->m_static_block, false);
- if (block) {
- std::map<u16, StaticObject>::iterator i =
- block->m_static_objects.m_active.find(id);
- if(i != block->m_static_objects.m_active.end()){
- block->m_static_objects.m_stored.push_back(i->second);
- block->m_static_objects.m_active.erase(id);
- block->raiseModified(MOD_STATE_WRITE_NEEDED,
- MOD_REASON_REMOVE_OBJECTS_DEACTIVATE);
- }
- } else {
- infostream<<"Failed to emerge block from which an object to "
- <<"be deactivated was loaded from. id="<<id<<std::endl;
- }
- }
-
- // Tell the object about removal
- obj->removingFromEnvironment();
- // Deregister in scripting api
- m_script->removeObjectReference(obj);
-
- // Delete
- if(obj->environmentDeletes())
- delete obj;
-
- // Id to be removed from m_active_objects
- objects_to_remove.push_back(id);
- }
- // Remove references from m_active_objects
- for(std::vector<u16>::iterator i = objects_to_remove.begin();
- i != objects_to_remove.end(); ++i) {
- m_active_objects.erase(*i);
- }
-}
-
-static void print_hexdump(std::ostream &o, const std::string &data)
-{
- const int linelength = 16;
- for(int l=0; ; l++){
- int i0 = linelength * l;
- bool at_end = false;
- int thislinelength = linelength;
- if(i0 + thislinelength > (int)data.size()){
- thislinelength = data.size() - i0;
- at_end = true;
- }
- for(int di=0; di<linelength; di++){
- int i = i0 + di;
- char buf[4];
- if(di<thislinelength)
- snprintf(buf, 4, "%.2x ", data[i]);
- else
- snprintf(buf, 4, " ");
- o<<buf;
- }
- o<<" ";
- for(int di=0; di<thislinelength; di++){
- int i = i0 + di;
- if(data[i] >= 32)
- o<<data[i];
- else
- o<<".";
- }
- o<<std::endl;
- if(at_end)
- break;
- }
-}
-
-/*
- Convert stored objects from blocks near the players to active.
-*/
-void ServerEnvironment::activateObjects(MapBlock *block, u32 dtime_s)
-{
- if(block == NULL)
- return;
-
- // Ignore if no stored objects (to not set changed flag)
- if(block->m_static_objects.m_stored.empty())
- return;
-
- verbosestream<<"ServerEnvironment::activateObjects(): "
- <<"activating objects of block "<<PP(block->getPos())
- <<" ("<<block->m_static_objects.m_stored.size()
- <<" objects)"<<std::endl;
- bool large_amount = (block->m_static_objects.m_stored.size() > g_settings->getU16("max_objects_per_block"));
- if (large_amount) {
- errorstream<<"suspiciously large amount of objects detected: "
- <<block->m_static_objects.m_stored.size()<<" in "
- <<PP(block->getPos())
- <<"; removing all of them."<<std::endl;
- // Clear stored list
- block->m_static_objects.m_stored.clear();
- block->raiseModified(MOD_STATE_WRITE_NEEDED,
- MOD_REASON_TOO_MANY_OBJECTS);
- return;
- }
-
- // Activate stored objects
- std::vector<StaticObject> new_stored;
- for (std::vector<StaticObject>::iterator
- i = block->m_static_objects.m_stored.begin();
- i != block->m_static_objects.m_stored.end(); ++i) {
- StaticObject &s_obj = *i;
-
- // Create an active object from the data
- ServerActiveObject *obj = ServerActiveObject::create
- ((ActiveObjectType) s_obj.type, this, 0, s_obj.pos, s_obj.data);
- // If couldn't create object, store static data back.
- if(obj == NULL) {
- errorstream<<"ServerEnvironment::activateObjects(): "
- <<"failed to create active object from static object "
- <<"in block "<<PP(s_obj.pos/BS)
- <<" type="<<(int)s_obj.type<<" data:"<<std::endl;
- print_hexdump(verbosestream, s_obj.data);
-
- new_stored.push_back(s_obj);
- continue;
- }
- verbosestream<<"ServerEnvironment::activateObjects(): "
- <<"activated static object pos="<<PP(s_obj.pos/BS)
- <<" type="<<(int)s_obj.type<<std::endl;
- // This will also add the object to the active static list
- addActiveObjectRaw(obj, false, dtime_s);
- }
- // Clear stored list
- block->m_static_objects.m_stored.clear();
- // Add leftover failed stuff to stored list
- for(std::vector<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);
- }
-
- // Turn the active counterparts of activated objects not pending for
- // deactivation
- for(std::map<u16, StaticObject>::iterator
- i = block->m_static_objects.m_active.begin();
- i != block->m_static_objects.m_active.end(); ++i)
- {
- u16 id = i->first;
- ServerActiveObject *object = getActiveObject(id);
- assert(object);
- object->m_pending_deactivation = false;
- }
-
- /*
- Note: Block hasn't really been modified here.
- The objects have just been activated and moved from the stored
- static list to the active static list.
- As such, the block is essentially the same.
- Thus, do not call block->raiseModified(MOD_STATE_WRITE_NEEDED).
- Otherwise there would be a huge amount of unnecessary I/O.
- */
-}
-
-/*
- Convert objects that are not standing inside 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.
-
- If block wasn't generated (not in memory or on disk),
-*/
-void ServerEnvironment::deactivateFarObjects(bool force_delete)
-{
- std::vector<u16> objects_to_remove;
- for(std::map<u16, ServerActiveObject*>::iterator
- i = m_active_objects.begin();
- i != m_active_objects.end(); ++i) {
- ServerActiveObject* obj = i->second;
- assert(obj);
-
- // Do not deactivate if static data creation not allowed
- if(!force_delete && !obj->isStaticAllowed())
- continue;
-
- // If pending deactivation, let removeRemovedObjects() do it
- if(!force_delete && obj->m_pending_deactivation)
- continue;
-
- u16 id = i->first;
- v3f objectpos = obj->getBasePosition();
-
- // The block in which the object resides in
- v3s16 blockpos_o = getNodeBlockPos(floatToInt(objectpos, BS));
-
- // If object's static data is stored in a deactivated block and object
- // is actually located in an active block, re-save to the block in
- // which the object is actually located in.
- if(!force_delete &&
- obj->m_static_exists &&
- !m_active_blocks.contains(obj->m_static_block) &&
- m_active_blocks.contains(blockpos_o))
- {
- v3s16 old_static_block = obj->m_static_block;
-
- // Save to block where object is located
- MapBlock *block = m_map->emergeBlock(blockpos_o, false);
- if(!block){
- errorstream<<"ServerEnvironment::deactivateFarObjects(): "
- <<"Could not save object id="<<id
- <<" to it's current block "<<PP(blockpos_o)
- <<std::endl;
- continue;
- }
- std::string staticdata_new = obj->getStaticData();
- StaticObject s_obj(obj->getType(), objectpos, staticdata_new);
- block->m_static_objects.insert(id, s_obj);
- obj->m_static_block = blockpos_o;
- block->raiseModified(MOD_STATE_WRITE_NEEDED,
- MOD_REASON_STATIC_DATA_ADDED);
-
- // Delete from block where object was located
- block = m_map->emergeBlock(old_static_block, false);
- if(!block){
- errorstream<<"ServerEnvironment::deactivateFarObjects(): "
- <<"Could not delete object id="<<id
- <<" from it's previous block "<<PP(old_static_block)
- <<std::endl;
- continue;
- }
- block->m_static_objects.remove(id);
- block->raiseModified(MOD_STATE_WRITE_NEEDED,
- MOD_REASON_STATIC_DATA_REMOVED);
- continue;
- }
-
- // If block is active, don't remove
- if(!force_delete && m_active_blocks.contains(blockpos_o))
- continue;
-
- verbosestream<<"ServerEnvironment::deactivateFarObjects(): "
- <<"deactivating object id="<<id<<" on inactive block "
- <<PP(blockpos_o)<<std::endl;
-
- // If known by some client, don't immediately delete.
- bool pending_delete = (obj->m_known_by_count > 0 && !force_delete);
-
- /*
- Update the static data
- */
-
- if(obj->isStaticAllowed())
- {
- // Create new static object
- std::string staticdata_new = obj->getStaticData();
- StaticObject s_obj(obj->getType(), objectpos, staticdata_new);
-
- bool stays_in_same_block = false;
- bool data_changed = true;
-
- if (obj->m_static_exists) {
- if (obj->m_static_block == blockpos_o)
- stays_in_same_block = true;
-
- MapBlock *block = m_map->emergeBlock(obj->m_static_block, false);
-
- if (block) {
- std::map<u16, StaticObject>::iterator n =
- block->m_static_objects.m_active.find(id);
- if (n != block->m_static_objects.m_active.end()) {
- StaticObject static_old = n->second;
-
- float save_movem = obj->getMinimumSavedMovement();
-
- if (static_old.data == staticdata_new &&
- (static_old.pos - objectpos).getLength() < save_movem)
- data_changed = false;
- } else {
- errorstream<<"ServerEnvironment::deactivateFarObjects(): "
- <<"id="<<id<<" m_static_exists=true but "
- <<"static data doesn't actually exist in "
- <<PP(obj->m_static_block)<<std::endl;
- }
- }
- }
-
- bool shall_be_written = (!stays_in_same_block || data_changed);
-
- // Delete old static object
- if(obj->m_static_exists)
- {
- MapBlock *block = m_map->emergeBlock(obj->m_static_block, false);
- if(block)
- {
- block->m_static_objects.remove(id);
- obj->m_static_exists = false;
- // Only mark block as modified if data changed considerably
- if(shall_be_written)
- block->raiseModified(MOD_STATE_WRITE_NEEDED,
- MOD_REASON_STATIC_DATA_CHANGED);
- }
- }
-
- // Add to the block where the object is located in
- v3s16 blockpos = getNodeBlockPos(floatToInt(objectpos, BS));
- // Get or generate the block
- MapBlock *block = NULL;
- try{
- block = m_map->emergeBlock(blockpos);
- } catch(InvalidPositionException &e){
- // Handled via NULL pointer
- // NOTE: emergeBlock's failure is usually determined by it
- // actually returning NULL
- }
-
- if(block)
- {
- if(block->m_static_objects.m_stored.size() >= g_settings->getU16("max_objects_per_block")){
- errorstream<<"ServerEnv: Trying to store id="<<obj->getId()
- <<" statically but block "<<PP(blockpos)
- <<" already contains "
- <<block->m_static_objects.m_stored.size()
- <<" objects."
- <<" Forcing delete."<<std::endl;
- force_delete = true;
- } else {
- // If static counterpart already exists in target block,
- // remove it first.
- // This shouldn't happen because the object is removed from
- // the previous block before this according to
- // obj->m_static_block, but happens rarely for some unknown
- // reason. Unsuccessful attempts have been made to find
- // said reason.
- if(id && block->m_static_objects.m_active.find(id) != block->m_static_objects.m_active.end()){
- infostream<<"ServerEnv: WARNING: Performing hack #83274"
- <<std::endl;
- block->m_static_objects.remove(id);
- }
- // Store static data
- u16 store_id = pending_delete ? id : 0;
- block->m_static_objects.insert(store_id, s_obj);
-
- // Only mark block as modified if data changed considerably
- if(shall_be_written)
- block->raiseModified(MOD_STATE_WRITE_NEEDED,
- MOD_REASON_STATIC_DATA_CHANGED);
-
- obj->m_static_exists = true;
- obj->m_static_block = block->getPos();
- }
- }
- else{
- if(!force_delete){
- v3s16 p = floatToInt(objectpos, BS);
- errorstream<<"ServerEnv: Could not find or generate "
- <<"a block for storing id="<<obj->getId()
- <<" statically (pos="<<PP(p)<<")"<<std::endl;
- continue;
- }
- }
- }
-
- /*
- If known by some client, set pending deactivation.
- Otherwise delete it immediately.
- */
-
- if(pending_delete && !force_delete)
- {
- verbosestream<<"ServerEnvironment::deactivateFarObjects(): "
- <<"object id="<<id<<" is known by clients"
- <<"; not deleting yet"<<std::endl;
-
- obj->m_pending_deactivation = true;
- continue;
- }
-
- verbosestream<<"ServerEnvironment::deactivateFarObjects(): "
- <<"object id="<<id<<" is not known by clients"
- <<"; deleting"<<std::endl;
-
- // Tell the object about removal
- obj->removingFromEnvironment();
- // Deregister in scripting api
- m_script->removeObjectReference(obj);
-
- // Delete active object
- if(obj->environmentDeletes())
- delete obj;
- // Id to be removed from m_active_objects
- objects_to_remove.push_back(id);
- }
-
- // Remove references from m_active_objects
- for(std::vector<u16>::iterator i = objects_to_remove.begin();
- i != objects_to_remove.end(); ++i) {
- m_active_objects.erase(*i);
- }
-}
-
-#ifndef SERVER
-
-#include "clientsimpleobject.h"
-
-/*
- ClientEnvironment
-*/
-
-ClientEnvironment::ClientEnvironment(ClientMap *map, scene::ISceneManager *smgr,
- ITextureSource *texturesource, IGameDef *gamedef,
- IrrlichtDevice *irr):
- m_map(map),
- m_smgr(smgr),
- m_texturesource(texturesource),
- m_gamedef(gamedef),
- m_irr(irr)
-{
- char zero = 0;
- memset(attachement_parent_ids, zero, sizeof(attachement_parent_ids));
-}
-
-ClientEnvironment::~ClientEnvironment()
-{
- // delete active objects
- for(std::map<u16, ClientActiveObject*>::iterator
- i = m_active_objects.begin();
- i != m_active_objects.end(); ++i)
- {
- delete i->second;
- }
-
- for(std::vector<ClientSimpleObject*>::iterator
- i = m_simple_objects.begin(); i != m_simple_objects.end(); ++i) {
- delete *i;
- }
-
- // Drop/delete map
- m_map->drop();
-}
-
-Map & ClientEnvironment::getMap()
-{
- return *m_map;
-}
-
-ClientMap & ClientEnvironment::getClientMap()
-{
- return *m_map;
-}
-
-void ClientEnvironment::addPlayer(Player *player)
-{
- DSTACK(__FUNCTION_NAME);
- /*
- It is a failure if player is local and there already is a local
- player
- */
- FATAL_ERROR_IF(player->isLocal() == true && getLocalPlayer() != NULL,
- "Player is local but there is already a local player");
-
- Environment::addPlayer(player);
-}
-
-LocalPlayer * ClientEnvironment::getLocalPlayer()
-{
- for(std::vector<Player*>::iterator i = m_players.begin();
- i != m_players.end(); ++i) {
- Player *player = *i;
- if(player->isLocal())
- return (LocalPlayer*)player;
- }
- return NULL;
-}
-
-void ClientEnvironment::step(float dtime)
-{
- DSTACK(__FUNCTION_NAME);
-
- /* Step time of day */
- stepTimeOfDay(dtime);
-
- // Get some settings
- bool fly_allowed = m_gamedef->checkLocalPrivilege("fly");
- bool free_move = fly_allowed && g_settings->getBool("free_move");
-
- // Get local player
- LocalPlayer *lplayer = getLocalPlayer();
- assert(lplayer);
- // collision info queue
- std::vector<CollisionInfo> player_collisions;
-
- /*
- Get the speed the player is going
- */
- bool is_climbing = lplayer->is_climbing;
-
- f32 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)
- // time = distance / speed
- f32 dtime_max_increment = 1;
- if(player_speed > 0.001)
- 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;
-
- // Don't allow overly huge dtime
- if(dtime > 0.5)
- dtime = 0.5;
-
- f32 dtime_downcount = dtime;
-
- /*
- Stuff that has a maximum time increment
- */
-
- u32 loopcount = 0;
- do
- {
- loopcount++;
-
- f32 dtime_part;
- if(dtime_downcount > dtime_max_increment)
- {
- dtime_part = dtime_max_increment;
- dtime_downcount -= dtime_part;
- }
- else
- {
- 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 local player
- */
-
- {
- // Apply physics
- if(free_move == false && is_climbing == false)
- {
- // Gravity
- v3f speed = lplayer->getSpeed();
- if(lplayer->in_liquid == false)
- speed.Y -= lplayer->movement_gravity * lplayer->physics_override_gravity * dtime_part * 2;
-
- // Liquid floating / sinking
- if(lplayer->in_liquid && !lplayer->swimming_vertical)
- speed.Y -= lplayer->movement_liquid_sink * dtime_part * 2;
-
- // Liquid resistance
- if(lplayer->in_liquid_stable || lplayer->in_liquid)
- {
- // How much the node's viscosity blocks movement, ranges between 0 and 1
- // Should match the scale at which viscosity increase affects other liquid attributes
- const f32 viscosity_factor = 0.3;
-
- v3f d_wanted = -speed / lplayer->movement_liquid_fluidity;
- f32 dl = d_wanted.getLength();
- if(dl > lplayer->movement_liquid_fluidity_smooth)
- dl = lplayer->movement_liquid_fluidity_smooth;
- dl *= (lplayer->liquid_viscosity * viscosity_factor) + (1 - viscosity_factor);
-
- v3f d = d_wanted.normalize() * dl;
- speed += d;
- }
-
- lplayer->setSpeed(speed);
- }
-
- /*
- Move the lplayer.
- This also does collision detection.
- */
- lplayer->move(dtime_part, this, position_max_increment,
- &player_collisions);
- }
- }
- while(dtime_downcount > 0.001);
-
- //std::cout<<"Looped "<<loopcount<<" times."<<std::endl;
-
- for(std::vector<CollisionInfo>::iterator i = player_collisions.begin();
- i != player_collisions.end(); ++i) {
- CollisionInfo &info = *i;
- v3f speed_diff = info.new_speed - info.old_speed;;
- // Handle only fall damage
- // (because otherwise walking against something in fast_move kills you)
- if(speed_diff.Y < 0 || info.old_speed.Y >= 0)
- continue;
- // Get rid of other components
- speed_diff.X = 0;
- speed_diff.Z = 0;
- f32 pre_factor = 1; // 1 hp per node/s
- f32 tolerance = BS*14; // 5 without damage
- f32 post_factor = 1; // 1 hp per node/s
- if(info.type == COLLISION_NODE)
- {
- const ContentFeatures &f = m_gamedef->ndef()->
- get(m_map->getNodeNoEx(info.node_p));
- // Determine fall damage multiplier
- int addp = itemgroup_get(f.groups, "fall_damage_add_percent");
- pre_factor = 1.0 + (float)addp/100.0;
- }
- float speed = pre_factor * speed_diff.getLength();
- if(speed > tolerance)
- {
- f32 damage_f = (speed - tolerance)/BS * post_factor;
- u16 damage = (u16)(damage_f+0.5);
- if(damage != 0){
- damageLocalPlayer(damage, true);
- MtEvent *e = new SimpleTriggerEvent("PlayerFallingDamage");
- m_gamedef->event()->put(e);
- }
- }
- }
-
- /*
- 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(p3);
-
- u32 damage_per_second = 0;
- damage_per_second = MYMAX(damage_per_second,
- m_gamedef->ndef()->get(n1).damage_per_second);
- damage_per_second = MYMAX(damage_per_second,
- m_gamedef->ndef()->get(n2).damage_per_second);
- damage_per_second = MYMAX(damage_per_second,
- m_gamedef->ndef()->get(n3).damage_per_second);
-
- if(damage_per_second != 0)
- {
- damageLocalPlayer(damage_per_second, true);
- }
- }
-
- /*
- Drowning
- */
- if(m_drowning_interval.step(dtime, 2.0))
- {
- v3f pf = lplayer->getPosition();
-
- // head
- v3s16 p = floatToInt(pf + v3f(0, BS*1.6, 0), BS);
- MapNode n = m_map->getNodeNoEx(p);
- ContentFeatures c = m_gamedef->ndef()->get(n);
- u8 drowning_damage = c.drowning;
- if(drowning_damage > 0 && lplayer->hp > 0){
- u16 breath = lplayer->getBreath();
- if(breath > 10){
- breath = 11;
- }
- if(breath > 0){
- breath -= 1;
- }
- lplayer->setBreath(breath);
- updateLocalPlayerBreath(breath);
- }
-
- if(lplayer->getBreath() == 0 && drowning_damage > 0){
- damageLocalPlayer(drowning_damage, true);
- }
- }
- if(m_breathing_interval.step(dtime, 0.5))
- {
- v3f pf = lplayer->getPosition();
-
- // head
- v3s16 p = floatToInt(pf + v3f(0, BS*1.6, 0), BS);
- MapNode n = m_map->getNodeNoEx(p);
- ContentFeatures c = m_gamedef->ndef()->get(n);
- if (!lplayer->hp){
- lplayer->setBreath(11);
- }
- else if(c.drowning == 0){
- u16 breath = lplayer->getBreath();
- if(breath <= 10){
- breath += 1;
- lplayer->setBreath(breath);
- updateLocalPlayerBreath(breath);
- }
- }
- }
-
- /*
- Stuff that can be done in an arbitarily large dtime
- */
- for(std::vector<Player*>::iterator i = m_players.begin();
- i != m_players.end(); ++i) {
- Player *player = *i;
-
- /*
- Handle non-local players
- */
- if(player->isLocal() == false) {
- // Move
- player->move(dtime, this, 100*BS);
-
- }
- }
-
- // Update lighting on local player (used for wield item)
- u32 day_night_ratio = getDayNightRatio();
- {
- // Get node at head
-
- // On InvalidPositionException, use this as default
- // (day: LIGHT_SUN, night: 0)
- MapNode node_at_lplayer(CONTENT_AIR, 0x0f, 0);
-
- v3s16 p = lplayer->getLightPosition();
- node_at_lplayer = m_map->getNodeNoEx(p);
-
- u16 light = getInteriorLight(node_at_lplayer, 0, m_gamedef->ndef());
- u8 day = light & 0xff;
- u8 night = (light >> 8) & 0xff;
- finalColorBlend(lplayer->light_color, day, night, day_night_ratio);
- }
-
- /*
- Step active objects and update lighting of them
- */
-
- g_profiler->avg("CEnv: num of objects", m_active_objects.size());
- bool update_lighting = m_active_object_light_update_interval.step(dtime, 0.21);
- for(std::map<u16, ClientActiveObject*>::iterator
- i = m_active_objects.begin();
- i != m_active_objects.end(); ++i)
- {
- ClientActiveObject* obj = i->second;
- // Step object
- obj->step(dtime, this);
-
- if(update_lighting)
- {
- // Update lighting
- u8 light = 0;
- bool pos_ok;
-
- // Get node at head
- v3s16 p = obj->getLightPosition();
- MapNode n = m_map->getNodeNoEx(p, &pos_ok);
- if (pos_ok)
- light = n.getLightBlend(day_night_ratio, m_gamedef->ndef());
- else
- light = blend_light(day_night_ratio, LIGHT_SUN, 0);
-
- obj->updateLight(light);
- }
- }
-
- /*
- Step and handle simple objects
- */
- g_profiler->avg("CEnv: num of simple objects", m_simple_objects.size());
- for(std::vector<ClientSimpleObject*>::iterator
- i = m_simple_objects.begin(); i != m_simple_objects.end();) {
- std::vector<ClientSimpleObject*>::iterator cur = i;
- ClientSimpleObject *simple = *cur;
-
- simple->step(dtime);
- if(simple->m_to_be_removed) {
- delete simple;
- i = m_simple_objects.erase(cur);
- }
- else {
- ++i;
- }
- }
-}
-
-void ClientEnvironment::addSimpleObject(ClientSimpleObject *simple)
-{
- m_simple_objects.push_back(simple);
-}
-
-GenericCAO* ClientEnvironment::getGenericCAO(u16 id)
-{
- ClientActiveObject *obj = getActiveObject(id);
- if (obj && obj->getType() == ACTIVEOBJECT_TYPE_GENERIC)
- return (GenericCAO*) obj;
- else
- return NULL;
-}
-
-ClientActiveObject* ClientEnvironment::getActiveObject(u16 id)
-{
- std::map<u16, ClientActiveObject*>::iterator n;
- n = m_active_objects.find(id);
- if(n == m_active_objects.end())
- return NULL;
- return n->second;
-}
-
-bool isFreeClientActiveObjectId(u16 id,
- std::map<u16, ClientActiveObject*> &objects)
-{
- if(id == 0)
- return false;
-
- return objects.find(id) == objects.end();
-}
-
-u16 getFreeClientActiveObjectId(
- std::map<u16, ClientActiveObject*> &objects)
-{
- //try to reuse id's as late as possible
- static u16 last_used_id = 0;
- u16 startid = last_used_id;
- for(;;)
- {
- last_used_id ++;
- if(isFreeClientActiveObjectId(last_used_id, objects))
- return last_used_id;
-
- if(last_used_id == startid)
- return 0;
- }
-}
-
-u16 ClientEnvironment::addActiveObject(ClientActiveObject *object)
-{
- assert(object); // Pre-condition
- if(object->getId() == 0)
- {
- u16 new_id = getFreeClientActiveObjectId(m_active_objects);
- if(new_id == 0)
- {
- infostream<<"ClientEnvironment::addActiveObject(): "
- <<"no free ids available"<<std::endl;
- delete object;
- return 0;
- }
- object->setId(new_id);
- }
- if(isFreeClientActiveObjectId(object->getId(), m_active_objects) == false)
- {
- infostream<<"ClientEnvironment::addActiveObject(): "
- <<"id is not free ("<<object->getId()<<")"<<std::endl;
- delete object;
- return 0;
- }
- infostream<<"ClientEnvironment::addActiveObject(): "
- <<"added (id="<<object->getId()<<")"<<std::endl;
- m_active_objects[object->getId()] = object;
- object->addToScene(m_smgr, m_texturesource, m_irr);
- { // Update lighting immediately
- u8 light = 0;
- bool pos_ok;
-
- // Get node at head
- v3s16 p = object->getLightPosition();
- MapNode n = m_map->getNodeNoEx(p, &pos_ok);
- if (pos_ok)
- light = n.getLightBlend(getDayNightRatio(), m_gamedef->ndef());
- else
- light = blend_light(getDayNightRatio(), LIGHT_SUN, 0);
-
- object->updateLight(light);
- }
- return object->getId();
-}
-
-void ClientEnvironment::addActiveObject(u16 id, u8 type,
- const std::string &init_data)
-{
- ClientActiveObject* obj =
- ClientActiveObject::create((ActiveObjectType) type, m_gamedef, this);
- if(obj == NULL)
- {
- infostream<<"ClientEnvironment::addActiveObject(): "
- <<"id="<<id<<" type="<<type<<": Couldn't create object"
- <<std::endl;
- return;
- }
-
- obj->setId(id);
-
- try
- {
- obj->initialize(init_data);
- }
- catch(SerializationError &e)
- {
- errorstream<<"ClientEnvironment::addActiveObject():"
- <<" id="<<id<<" type="<<type
- <<": SerializationError in initialize(): "
- <<e.what()
- <<": init_data="<<serializeJsonString(init_data)
- <<std::endl;
- }
-
- addActiveObject(obj);
-}
-
-void ClientEnvironment::removeActiveObject(u16 id)
-{
- verbosestream<<"ClientEnvironment::removeActiveObject(): "
- <<"id="<<id<<std::endl;
- ClientActiveObject* obj = getActiveObject(id);
- if(obj == NULL)
- {
- infostream<<"ClientEnvironment::removeActiveObject(): "
- <<"id="<<id<<" not found"<<std::endl;
- return;
- }
- obj->removeFromScene(true);
- delete obj;
- m_active_objects.erase(id);
-}
-
-void ClientEnvironment::processActiveObjectMessage(u16 id, const std::string &data)
-{
- ClientActiveObject *obj = getActiveObject(id);
- if (obj == NULL) {
- infostream << "ClientEnvironment::processActiveObjectMessage():"
- << " got message for id=" << id << ", which doesn't exist."
- << std::endl;
- return;
- }
-
- try {
- obj->processMessage(data);
- } catch (SerializationError &e) {
- errorstream<<"ClientEnvironment::processActiveObjectMessage():"
- << " id=" << id << " type=" << obj->getType()
- << " SerializationError in processMessage(): " << e.what()
- << std::endl;
- }
-}
-
-/*
- Callbacks for activeobjects
-*/
-
-void ClientEnvironment::damageLocalPlayer(u8 damage, bool handle_hp)
-{
- LocalPlayer *lplayer = getLocalPlayer();
- assert(lplayer);
-
- if (handle_hp) {
- if (lplayer->hp > damage)
- lplayer->hp -= damage;
- else
- lplayer->hp = 0;
- }
-
- ClientEnvEvent event;
- event.type = CEE_PLAYER_DAMAGE;
- event.player_damage.amount = damage;
- event.player_damage.send_to_server = handle_hp;
- m_client_event_queue.push_back(event);
-}
-
-void ClientEnvironment::updateLocalPlayerBreath(u16 breath)
-{
- ClientEnvEvent event;
- event.type = CEE_PLAYER_BREATH;
- event.player_breath.amount = breath;
- m_client_event_queue.push_back(event);
-}
-
-/*
- Client likes to call these
-*/
-
-void ClientEnvironment::getActiveObjects(v3f origin, f32 max_d,
- std::vector<DistanceSortedActiveObject> &dest)
-{
- for(std::map<u16, ClientActiveObject*>::iterator
- i = m_active_objects.begin();
- i != m_active_objects.end(); ++i)
- {
- ClientActiveObject* obj = i->second;
-
- f32 d = (obj->getPosition() - origin).getLength();
-
- if(d > max_d)
- continue;
-
- DistanceSortedActiveObject dso(obj, d);
-
- dest.push_back(dso);
- }
-}
-
-ClientEnvEvent ClientEnvironment::getClientEvent()
-{
- ClientEnvEvent event;
- if(m_client_event_queue.empty())
- event.type = CEE_NONE;
- else {
- event = m_client_event_queue.front();
- m_client_event_queue.pop_front();
- }
- return event;
-}
-
-#endif // #ifndef SERVER
-
-
projects / dragonfireclient.git / blobdiff