]> git.lizzy.rs Git - dragonfireclient.git/blobdiff - src/environment.cpp
Merge pull request #500 from doserj/server_report_missing_deps
[dragonfireclient.git] / src / environment.cpp
index e1f5bb3fbbd9320925b115b983ac9877c93dba9c..ebf5e9a63cf0499ecc0d7961912f49afd99b88de 100644 (file)
@@ -3,16 +3,16 @@ Minetest-c55
 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
-the Free Software Foundation; either version 2 of the License, or
+it under the terms of the GNU Lesser General Public License as published by
+the Free Software Foundation; either version 2.1 of the License, or
 (at your option) any later version.
 
 This program is distributed in the hope that it will be useful,
 but WITHOUT ANY WARRANTY; without even the implied warranty of
 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-GNU General Public License for more details.
+GNU Lesser General Public License for more details.
 
-You should have received a copy of the GNU General Public License along
+You should have received a copy of the GNU Lesser General Public License along
 with this program; if not, write to the Free Software Foundation, Inc.,
 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 */
@@ -42,6 +42,8 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 #include "localplayer.h"
 #endif
 #include "daynightratio.h"
+#include "map.h"
+#include "util/serialize.h"
 
 #define PP(x) "("<<(x).X<<","<<(x).Y<<","<<(x).Z<<")"
 
@@ -201,7 +203,8 @@ void Environment::printPlayers(std::ostream &o)
 
 u32 Environment::getDayNightRatio()
 {
-       return time_to_daynight_ratio(m_time_of_day);
+       bool smooth = (g_settings->getS32("enable_shaders") != 0);
+       return time_to_daynight_ratio(m_time_of_day_f*24000, smooth);
 }
 
 void Environment::stepTimeOfDay(float dtime)
@@ -325,8 +328,10 @@ ServerEnvironment::ServerEnvironment(ServerMap *map, lua_State *L,
        m_emerger(emerger),
        m_random_spawn_timer(3),
        m_send_recommended_timer(0),
+       m_active_block_interval_overload_skip(0),
        m_game_time(0),
-       m_game_time_fraction_counter(0)
+       m_game_time_fraction_counter(0),
+       m_recommended_send_interval(0.1)
 {
 }
 
@@ -349,6 +354,17 @@ ServerEnvironment::~ServerEnvironment()
        }
 }
 
+Map & ServerEnvironment::getMap()
+{
+       return *m_map;
+}
+
+ServerMap & ServerEnvironment::getServerMap()
+{
+       return *m_map;
+}
+
+
 void ServerEnvironment::serializePlayers(const std::string &savedir)
 {
        std::string players_path = savedir + "/players";
@@ -633,13 +649,15 @@ class ABMHandler
                                i->timer -= trigger_interval;
                                actual_interval = trigger_interval;
                        }
-                       ActiveABM aabm;
-                       aabm.abm = abm;
                        float intervals = actual_interval / trigger_interval;
+                       if(intervals == 0)
+                               continue;
                        float chance = abm->getTriggerChance();
                        if(chance == 0)
                                chance = 1;
-                       aabm.chance = 1.0 / pow((float)1.0/chance, (float)intervals);
+                       ActiveABM aabm;
+                       aabm.abm = abm;
+                       aabm.chance = chance / intervals;
                        if(aabm.chance == 0)
                                aabm.chance = 1;
                        // Trigger neighbors
@@ -728,19 +746,25 @@ class ABMHandler
                                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;
+                               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)
+                                       if(block2==NULL){
+                                               wider_unknown_count = 0;
                                                continue;
+                                       }
                                        active_object_count_wider +=
                                                        block2->m_static_objects.m_active.size()
                                                        + block2->m_static_objects.m_stored.size();
                                }
-
+                               // Extrapolate
+                               u32 wider_known_count = 3*3*3 - wider_unknown_count;
+                               active_object_count_wider += wider_unknown_count * active_object_count_wider / wider_known_count;
+                               
                                // Call all the trigger variations
                                i->abm->trigger(m_env, p, n);
                                i->abm->trigger(m_env, p, n,
@@ -769,19 +793,21 @@ void ServerEnvironment::activateBlock(MapBlock *block, u32 additional_dtime)
                        <<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->raiseModified(MOD_STATE_WRITE_NEEDED,
-                               "node metadata modified in activateBlock");
+       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(scriptapi_node_on_timer(m_lua,p,n,i->second.elapsed))
+                               block->setNodeTimer(i->first,NodeTimer(i->second.timeout,0));
+               }
        }
 
        /* Handle ActiveBlockModifiers */
@@ -794,6 +820,45 @@ 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)
+               scriptapi_node_on_destruct(m_lua, p, n_old);
+       // Replace node
+       bool succeeded = m_map->addNodeWithEvent(p, n);
+       if(!succeeded)
+               return false;
+       // Call post-destructor
+       if(ndef->get(n_old).has_after_destruct)
+               scriptapi_node_after_destruct(m_lua, p, n_old);
+       // Call constructor
+       if(ndef->get(n).has_on_construct)
+               scriptapi_node_on_construct(m_lua, 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)
+               scriptapi_node_on_destruct(m_lua, p, n_old);
+       // Replace with air
+       // This is slightly optimized compared to addNodeWithEvent(air)
+       bool succeeded = m_map->removeNodeWithEvent(p);
+       if(!succeeded)
+               return false;
+       // Call post-destructor
+       if(ndef->get(n_old).has_after_destruct)
+               scriptapi_node_after_destruct(m_lua, p, n_old);
+       // Air doesn't require constructor
+       return true;
+}
+
 std::set<u16> ServerEnvironment::getObjectsInsideRadius(v3f pos, float radius)
 {
        std::set<u16> objects;
@@ -917,6 +982,11 @@ void ServerEnvironment::step(float dtime)
        /* 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
        */
@@ -1062,24 +1132,31 @@ void ServerEnvironment::step(float dtime)
                                block->raiseModified(MOD_STATE_WRITE_AT_UNLOAD,
                                                "Timestamp older than 60s (step)");
 
-                       // 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->raiseModified(MOD_STATE_WRITE_NEEDED,
-                                               "node metadata modified in step");
+                       // 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(scriptapi_node_on_timer(m_lua,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");
                
@@ -1112,8 +1189,9 @@ void ServerEnvironment::step(float dtime)
                        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())
@@ -1219,10 +1297,11 @@ u16 getFreeServerActiveObjectId(
 u16 ServerEnvironment::addActiveObject(ServerActiveObject *object)
 {
        assert(object);
-       u16 id = addActiveObjectRaw(object, true);
+       u16 id = addActiveObjectRaw(object, true, 0);
        return id;
 }
 
+#if 0
 bool ServerEnvironment::addActiveObjectAsStatic(ServerActiveObject *obj)
 {
        assert(obj);
@@ -1265,6 +1344,7 @@ bool ServerEnvironment::addActiveObjectAsStatic(ServerActiveObject *obj)
 
        return succeeded;
 }
+#endif
 
 /*
        Finds out what new objects have been added to
@@ -1378,7 +1458,7 @@ ActiveObjectMessage ServerEnvironment::getActiveObjectMessage()
 */
 
 u16 ServerEnvironment::addActiveObjectRaw(ServerActiveObject *object,
-               bool set_changed)
+               bool set_changed, u32 dtime_s)
 {
        assert(object);
        if(object->getId() == 0){
@@ -1418,7 +1498,7 @@ u16 ServerEnvironment::addActiveObjectRaw(ServerActiveObject *object,
        // Register reference in scripting api (must be done before post-init)
        scriptapi_add_object_reference(m_lua, object);
        // Post-initialize object
-       object->addedToEnvironment();
+       object->addedToEnvironment(dtime_s);
        
        // Add static data to block
        if(object->isStaticAllowed())
@@ -1441,9 +1521,10 @@ u16 ServerEnvironment::addActiveObjectRaw(ServerActiveObject *object,
                                                "addActiveObjectRaw");
                }
                else{
+                       v3s16 p = floatToInt(objectpos, BS);
                        errorstream<<"ServerEnvironment::addActiveObjectRaw(): "
                                        <<"could not find block for storing id="<<object->getId()
-                                       <<" statically"<<std::endl;
+                                       <<" statically (pos="<<PP(p)<<")"<<std::endl;
                }
        }
        
@@ -1484,13 +1565,15 @@ void ServerEnvironment::removeRemovedObjects()
                */
                if(obj->m_static_exists && obj->m_removed)
                {
-                       MapBlock *block = m_map->emergeBlock(obj->m_static_block);
-                       if(block)
-                       {
+                       MapBlock *block = m_map->emergeBlock(obj->m_static_block, false);
+                       if (block) {
                                block->m_static_objects.remove(id);
                                block->raiseModified(MOD_STATE_WRITE_NEEDED,
                                                "removeRemovedObjects");
                                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;
                        }
                }
 
@@ -1554,7 +1637,7 @@ static void print_hexdump(std::ostream &o, const std::string &data)
 /*
        Convert stored objects from blocks near the players to active.
 */
-void ServerEnvironment::activateObjects(MapBlock *block)
+void ServerEnvironment::activateObjects(MapBlock *block, u32 dtime_s)
 {
        if(block==NULL)
                return;
@@ -1578,7 +1661,7 @@ void ServerEnvironment::activateObjects(MapBlock *block)
                                "large amount of objects");
                return;
        }
-       // A list for objects that couldn't be converted to static for some
+       // A list for objects that couldn't be converted to active for some
        // reason. They will be stored back.
        core::list<StaticObject> new_stored;
        // Loop through stored static objects
@@ -1608,7 +1691,7 @@ void ServerEnvironment::activateObjects(MapBlock *block)
                                <<"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);
+               addActiveObjectRaw(obj, false, dtime_s);
        }
        // Clear stored list
        block->m_static_objects.m_stored.clear();
@@ -1638,6 +1721,8 @@ void ServerEnvironment::activateObjects(MapBlock *block)
 
        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)
 {
@@ -1732,7 +1817,12 @@ void ServerEnvironment::deactivateFarObjects(bool force_delete)
                        // 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 = NULL;
+                       try{
+                               block = m_map->emergeBlock(blockpos);
+                       } catch(InvalidPositionException &e){
+                               // Handled via NULL pointer
+                       }
 
                        if(block)
                        {
@@ -1746,6 +1836,15 @@ void ServerEnvironment::deactivateFarObjects(bool force_delete)
                                        force_delete = true;
                                } else {
                                        u16 new_id = pending_delete ? id : 0;
+                                       // If static counterpart already exists, remove it first.
+                                       // This shouldn't happen, but happens rarely for some
+                                       // unknown reason. Unsuccessful attempts have been made to
+                                       // find said reason.
+                                       if(new_id && block->m_static_objects.m_active.find(new_id)){
+                                               infostream<<"ServerEnv: WARNING: Performing hack #83274"
+                                                               <<std::endl;
+                                               block->m_static_objects.remove(new_id);
+                                       }
                                        block->m_static_objects.insert(new_id, s_obj);
                                        
                                        // Only mark block as modified if data changed considerably
@@ -1760,9 +1859,10 @@ void ServerEnvironment::deactivateFarObjects(bool force_delete)
                        }
                        else{
                                if(!force_delete){
+                                       v3s16 p = floatToInt(objectpos, BS);
                                        errorstream<<"ServerEnv: Could not find or generate "
                                                        <<"a block for storing id="<<obj->getId()
-                                                       <<" statically"<<std::endl;
+                                                       <<" statically (pos="<<PP(p)<<")"<<std::endl;
                                        continue;
                                }
                        }
@@ -1965,20 +2065,37 @@ void ClientEnvironment::step(float dtime)
                        {
                                // Gravity
                                v3f speed = lplayer->getSpeed();
-                               if(lplayer->swimming_up == false)
-                                       speed.Y -= 9.81 * BS * dtime_part * 2;
+                               if(lplayer->in_liquid == false)
+                                       speed.Y -= lplayer->movement_gravity * dtime_part * 2;
 
-                               // Water resistance
-                               if(lplayer->in_water_stable || lplayer->in_water)
-                               {
-                                       f32 max_down = 2.0*BS;
-                                       if(speed.Y < -max_down) speed.Y = -max_down;
+                               // Liquid floating / sinking
+                               if(lplayer->in_liquid && !lplayer->swimming_vertical)
+                                       speed.Y -= lplayer->movement_liquid_sink * dtime_part * 2;
 
-                                       f32 max = 2.5*BS;
-                                       if(speed.getLength() > max)
-                                       {
-                                               speed = speed / speed.getLength() * max;
-                                       }
+                               // 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;
+                                       
+#if 0 // old code
+                                       if(speed.X > lplayer->movement_liquid_fluidity + lplayer->movement_liquid_fluidity_smooth)      speed.X -= lplayer->movement_liquid_fluidity_smooth;
+                                       if(speed.X < -lplayer->movement_liquid_fluidity - lplayer->movement_liquid_fluidity_smooth)     speed.X += lplayer->movement_liquid_fluidity_smooth;
+                                       if(speed.Y > lplayer->movement_liquid_fluidity + lplayer->movement_liquid_fluidity_smooth)      speed.Y -= lplayer->movement_liquid_fluidity_smooth;
+                                       if(speed.Y < -lplayer->movement_liquid_fluidity - lplayer->movement_liquid_fluidity_smooth)     speed.Y += lplayer->movement_liquid_fluidity_smooth;
+                                       if(speed.Z > lplayer->movement_liquid_fluidity + lplayer->movement_liquid_fluidity_smooth)      speed.Z -= lplayer->movement_liquid_fluidity_smooth;
+                                       if(speed.Z < -lplayer->movement_liquid_fluidity - lplayer->movement_liquid_fluidity_smooth)     speed.Z += lplayer->movement_liquid_fluidity_smooth;
+#endif
                                }
 
                                lplayer->setSpeed(speed);
@@ -2001,19 +2118,32 @@ void ClientEnvironment::step(float dtime)
                        i != player_collisions.end(); i++)
        {
                CollisionInfo &info = *i;
-               if(info.t == COLLISION_FALL)
+               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)
                {
-                       //f32 tolerance = BS*10; // 2 without damage
-                       //f32 tolerance = BS*12; // 3 without damage
-                       f32 tolerance = BS*14; // 5 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(damage != 0)
-                                       damageLocalPlayer(damage, true);
-                       }
+                       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);
                }
        }
        
@@ -2066,15 +2196,15 @@ void ClientEnvironment::step(float dtime)
                }
                
                // Update lighting on all players on client
-               u8 light = LIGHT_MAX;
+               float light = 1.0;
                try{
                        // Get node at head
                        v3s16 p = player->getLightPosition();
                        MapNode n = m_map->getNode(p);
-                       light = n.getLightBlend(getDayNightRatio(), m_gamedef->ndef());
+                       light = n.getLightBlendF1((float)getDayNightRatio()/1000, m_gamedef->ndef());
                }
                catch(InvalidPositionException &e){
-                       light = blend_light(getDayNightRatio(), LIGHT_SUN, 0);
+                       light = blend_light_f1((float)getDayNightRatio()/1000, LIGHT_SUN, 0);
                }
                player->light = light;
        }
@@ -2083,6 +2213,7 @@ void ClientEnvironment::step(float dtime)
                Step active objects and update lighting of them
        */
        
+       bool update_lighting = m_active_object_light_update_interval.step(dtime, 0.21);
        for(core::map<u16, ClientActiveObject*>::Iterator
                        i = m_active_objects.getIterator();
                        i.atEnd()==false; i++)
@@ -2091,7 +2222,7 @@ void ClientEnvironment::step(float dtime)
                // Step object
                obj->step(dtime, this);
 
-               if(m_active_object_light_update_interval.step(dtime, 0.21))
+               if(update_lighting)
                {
                        // Update lighting
                        u8 light = 0;
@@ -2236,8 +2367,9 @@ void ClientEnvironment::addActiveObject(u16 id, u8 type,
        {
                errorstream<<"ClientEnvironment::addActiveObject():"
                                <<" id="<<id<<" type="<<type
-                               <<": SerializationError in initialize(),"
-                               <<" init_data="<<serializeJsonString(init_data)
+                               <<": SerializationError in initialize(): "
+                               <<e.what()
+                               <<": init_data="<<serializeJsonString(init_data)
                                <<std::endl;
        }
 
@@ -2255,7 +2387,7 @@ void ClientEnvironment::removeActiveObject(u16 id)
                                <<"id="<<id<<" not found"<<std::endl;
                return;
        }
-       obj->removeFromScene();
+       obj->removeFromScene(true);
        delete obj;
        m_active_objects.remove(id);
 }