From 9778347c7f118f6b74153f1d2c8070920352eb68 Mon Sep 17 00:00:00 2001 From: Perttu Ahola Date: Wed, 23 Feb 2011 02:49:57 +0200 Subject: [PATCH] mainly work on object scripting api --- data/luaobjects/test/client.lua | 76 +++++++- data/luaobjects/test/server.lua | 108 ++++++++--- minetest.conf.example | 10 +- src/client.cpp | 19 +- src/clientobject.cpp | 59 +++--- src/defaultsettings.cpp | 4 +- src/environment.cpp | 81 ++++++-- src/environment.h | 11 +- src/main.cpp | 27 +-- src/map.cpp | 206 ++++++++++++-------- src/map.h | 105 +++++++--- src/mapblockobject.cpp | 6 +- src/player.cpp | 3 +- src/porting.cpp | 2 +- src/server.cpp | 289 +++++++++++++++++----------- src/server.h | 48 +++-- src/serverobject.cpp | 326 +++++++++++++++++++++++++------- src/serverobject.h | 4 +- src/utility.h | 8 + 19 files changed, 962 insertions(+), 430 deletions(-) diff --git a/data/luaobjects/test/client.lua b/data/luaobjects/test/client.lua index 80f085190..6c5003959 100644 --- a/data/luaobjects/test/client.lua +++ b/data/luaobjects/test/client.lua @@ -1,7 +1,7 @@ -- Client-side code of the test lua object -- --- Some helper functions +-- Some helper functions and classes -- function split(str, pat) @@ -23,6 +23,7 @@ function split(str, pat) return t end +-- For debugging function dump(o) if type(o) == 'table' then local s = '{ ' @@ -36,29 +37,90 @@ function dump(o) end end +function vector_subtract(a, b) + return {X=a.X-b.X, Y=a.Y-b.Y, Z=a.Z-b.Z} +end + +function vector_add(a, b) + return {X=a.X+b.X, Y=a.Y+b.Y, Z=a.Z+b.Z} +end + +function vector_multiply(a, d) + return {X=a.X*d, Y=a.Y*d, Z=a.Z*d} +end + +SmoothTranslator = {} +SmoothTranslator.__index = SmoothTranslator + +function SmoothTranslator.create() + local obj = {} + setmetatable(obj, SmoothTranslator) + obj.vect_old = {X=0, Y=0, Z=0} + obj.anim_counter = 0 + obj.anim_time = 0 + obj.anim_time_counter = 0 + obj.vect_show = {X=0, Y=0, Z=0} + obj.vect_aim = {X=0, Y=0, Z=0} + return obj +end + +function SmoothTranslator:update(vect_new) + self.vect_old = self.vect_show + self.vect_aim = vect_new + if self.anim_time < 0.001 or self.anim_time > 1.0 then + self.anim_time = self.anim_time_counter + else + self.anim_time = self.anim_time * 0.9 + self.anim_time_counter * 0.1 + end + self.anim_time_counter = 0 + self.anim_counter = 0 +end + +function SmoothTranslator:translate(dtime) + self.anim_time_counter = self.anim_time_counter + dtime + self.anim_counter = self.anim_counter + dtime + vect_move = vector_subtract(self.vect_aim, self.vect_old) + moveratio = 1.0 + if self.anim_time > 0.001 then + moveratio = self.anim_time_counter / self.anim_time + end + if moveratio > 1.5 then + moveratio = 1.5 + end + self.vect_show = vector_add(self.vect_old, vector_multiply(vect_move, moveratio)) +end + -- -- Actual code -- -function step(self, dtime) - -- Some smoother animation could be done here +pos_trans = SmoothTranslator.create() +rot_trans = SmoothTranslator.create() + +-- Callback functions + +function on_step(self, dtime) + pos_trans:translate(dtime) + rot_trans:translate(dtime) + object_set_position(self, pos_trans.vect_show) + object_set_rotation(self, rot_trans.vect_show) end -function process_message(self, data) +function on_process_message(self, data) --print("client got message: " .. data) -- Receive our custom messages sp = split(data, " ") if sp[1] == "pos" then - object_set_position(self, sp[2], sp[3], sp[4]) + pos_trans:update({X=sp[2], Y=sp[3], Z=sp[4]}) end if sp[1] == "rot" then - object_set_rotation(self, sp[2], sp[3], sp[4]) + rot_trans:update({X=sp[2], Y=sp[3], Z=sp[4]}) end end -function initialize(self, data) +function on_initialize(self, data) print("client object got initialization: " .. data) corners = { diff --git a/data/luaobjects/test/server.lua b/data/luaobjects/test/server.lua index ac7b4800d..e79d277ac 100644 --- a/data/luaobjects/test/server.lua +++ b/data/luaobjects/test/server.lua @@ -1,25 +1,43 @@ -- Server-side code of the test lua object +-- +-- Some helper functions and classes +-- + +function vector_subtract(a, b) + return {X=a.X-b.X, Y=a.Y-b.Y, Z=a.Z-b.Z} +end + +function vector_add(a, b) + return {X=a.X+b.X, Y=a.Y+b.Y, Z=a.Z+b.Z} +end + +function vector_multiply(a, d) + return {X=a.X*d, Y=a.Y*d, Z=a.Z*d} +end + +-- +-- Actual code +-- + counter = 0 counter2 = 0 +counter3 = 0 +counter4 = 0 death_counter = 0 -position = {X=math.random(-2,2),Y=6,Z=math.random(-2,2)} +-- This is got in initialization from object_get_base_position(self) +position = {X=0,Y=0,Z=0} rotation = {X=0, Y=math.random(0,360), Z=0} dir = 1 +temp1 = 0 -function step(self, dtime) +function on_step(self, dtime) --[[if position.Y > 9.5 then position.Y = 6 end if position.Y < 5.5 then - position.Y = 9 + position.Y = 9]] - counter2 = counter2 - dtime - if counter2 < 0 then - counter2 = counter2 + 3 - dir = -dir - end]] - -- Limit step to a sane value; it jumps a lot while the map generator -- is in action if dtime > 0.5 then @@ -27,16 +45,19 @@ function step(self, dtime) end -- Returned value has these fields: - -- * bool walkable -- * int content - n = object_get_node(self, position.X,position.Y-0.35,position.Z) - if n.walkable then + -- * int param1 + -- * int param2 + p = {X=position.X, Y=position.Y-0.35, Z=position.Z} + n = object_get_node(self, p) + f = get_content_features(n.content) + if f.walkable then dir = 1 else dir = -1 end -- Keep the object approximately at ground level - position.Y = position.Y + dtime * 1.0 * dir + position.Y = position.Y + dtime * 2.0 * dir -- Move the object around position.X = position.X + math.cos(math.pi+rotation.Y/180*math.pi) @@ -46,15 +67,32 @@ function step(self, dtime) -- This value has to be set; it determines to which player the -- object is near to and such - object_set_base_position(self, position.X,position.Y,position.Z) + object_set_base_position(self, position) - rotation.Y = rotation.Y + dtime * 180 + counter4 = counter4 - dtime + if counter4 < 0 then + counter4 = counter4 + math.random(0.5,8) + -- Mess around with the map + np = vector_add(position, {X=0,Y=0,Z=0}) + object_place_node(self, np, {content=0}) + -- A node could be digged out with this: + -- object_dig_node(self, np) + end + + counter3 = counter3 - dtime + if counter3 < 0 then + counter3 = counter3 + math.random(1,4) + rotation.Y = rotation.Y + math.random(-180, 180) + end -- Send some custom messages at a custom interval counter = counter - dtime if counter < 0 then - counter = counter + 0.175 + counter = counter + 0.25 + if counter < 0 then + counter = 0 + end message = "pos " .. position.X .. " " .. position.Y .. " " .. position.Z object_add_message(self, message) @@ -63,6 +101,20 @@ function step(self, dtime) object_add_message(self, message) end + -- Mess around with the map + --[[counter2 = counter2 - dtime + if counter2 < 0 then + counter2 = counter2 + 3 + if temp1 == 0 then + temp1 = 1 + object_dig_node(self, {X=0,Y=1,Z=0}) + else + temp1 = 0 + n = {content=1} + object_place_node(self, {X=0,Y=5,Z=0}, n) + end + end]] + -- Remove the object after some time death_counter = death_counter + dtime if death_counter > 30 then @@ -72,19 +124,31 @@ function step(self, dtime) end -- This stuff is passed to a newly created client-side counterpart of this object -function get_client_init_data(self) +function on_get_client_init_data(self) + -- Just return some data for testing return "result of get_client_init_data" end -- This should return some data that mostly saves the state of this object --- Not implemented yet -function get_server_init_data(self) +-- Not completely implemented yet +function on_get_server_init_data(self) + -- Just return some data for testing return "result of get_server_init_data" end --- At reload time, the output of get_server_init_data is passed to this --- Not implemented yet -function initialize(self, data) +-- When the object is loaded from scratch, this is called before the first +-- on_step(). Data is an empty string or the output of an object spawner +-- hook, but such things are not yet implemented. +-- +-- At reload time, the last output of get_server_init_data is passed as data. +-- +-- This should initialize the position of the object to the value returned +-- by object_get_base_position(self) +-- +-- Not completely implemented yet +-- +function on_initialize(self, data) print("server object got initialization: " .. data) + position = object_get_base_position(self) end diff --git a/minetest.conf.example b/minetest.conf.example index eb17ebc74..c78266e7b 100644 --- a/minetest.conf.example +++ b/minetest.conf.example @@ -18,7 +18,7 @@ #screenW = 800 #screenH = 600 #port = 30000 -#address = kray.dy.fi +#address = #name = # Whether to try to fog out the border of the visible area @@ -44,14 +44,14 @@ # Server side stuff # -#map-dir = /home/palle/custom_map +# Set to true to enable experimental features +#enable_experimental = false -#plants_amount = 1.0 -#ravines_amount = 1.0 -#coal_amount = 1.0 +#map-dir = /home/palle/custom_map # Set to true to enable creative mode (unlimited inventory) #creative_mode = false + # Player and object positions are sent at intervals specified by this #objectdata_inverval = 0.2 diff --git a/src/client.cpp b/src/client.cpp index 4c3992e6a..3f0457e6e 100644 --- a/src/client.cpp +++ b/src/client.cpp @@ -989,27 +989,14 @@ void Client::ProcessData(u8 *data, u32 datasize, u16 sender_peer_id) 12000 = midday */ { - const s32 daylength = 16; - const s32 nightlength = 6; - const s32 daytimelength = 8; - s32 d = daylength; - s32 t = (((m_time_of_day.get())%24000)/(24000/d)); - u32 dr; - if(t < nightlength/2 || t >= d - nightlength/2) - dr = 300; - else if(t >= d/2 - daytimelength/2 && t < d/2 + daytimelength/2) - dr = 1000; - else - dr = 750; + u32 dr = time_to_daynight_ratio(m_time_of_day.get()); - dstream<<"time_of_day="< connected_players = getPlayers(true); + u32 chosen_one = myrand() % connected_players.size(); + u32 j = 0; + for(core::list::Iterator + i = connected_players.begin(); + i != connected_players.end(); i++) + { + if(j == chosen_one) + { + Player *player = *i; + return player; + } + j++; + } + return NULL; +} + core::list Environment::getPlayers() { return m_players; @@ -147,8 +166,9 @@ u32 Environment::getDayNightRatio() ServerEnvironment */ -ServerEnvironment::ServerEnvironment(ServerMap *map): +ServerEnvironment::ServerEnvironment(ServerMap *map, Server *server): m_map(map), + m_server(server), m_random_spawn_timer(0) { } @@ -382,6 +402,9 @@ void ServerEnvironment::step(float dtime) } } + if(g_settings.getBool("enable_experimental")) + { + /* Step active objects */ @@ -445,35 +468,55 @@ void ServerEnvironment::step(float dtime) v3f(myrand_range(-2*BS,2*BS), BS*5, myrand_range(-2*BS,2*BS)));*/ /* - Create a Lua ServerActiveObject somewhere near the origin + Find some position */ - LuaSAO *obj = new LuaSAO(this, 0, - v3f(myrand_range(-2*BS,2*BS), - myrand_range(2*BS,9*BS), - myrand_range(-2*BS,2*BS)) + + /*v2s16 p2d(myrand_range(-5,5), myrand_range(-5,5)); + s16 y = 1 + getServerMap().findGroundLevel(p2d); + v3f pos(p2d.X*BS,y*BS,p2d.Y*BS);*/ + + Player *player = getRandomConnectedPlayer(); + v3f pos(0,0,0); + if(player) + pos = player->getPosition(); + pos += v3f( + myrand_range(-5,5)*BS, + 0, + myrand_range(-5,5)*BS ); + + /* + Create a LuaSAO (ServerActiveObject) + */ + + LuaSAO *obj = new LuaSAO(this, 0, pos); /* Select a random type for it */ std::string objectdir = porting::getDataPath("luaobjects"); std::vector dirlist = fs::GetDirListing(objectdir); - u32 selected_i = myrand_range(0, dirlist.size()-1); - std::string selected_name = ""; - selected_name = dirlist[selected_i].name; - /*for(u32 i=0; i 0) + { + u32 selected_i = myrand_range(0, dirlist.size()-1); + std::string selected_name = ""; + selected_name = dirlist[selected_i].name; + /*for(u32 i=0; iloadScripts(selected_name.c_str()); + /* + Load the scripts for the type + */ + obj->initializeFromNothing(selected_name.c_str()); - // Add the object to the environment - addActiveObject(obj); + // Add the object to the environment + addActiveObject(obj); + } } + + } // enable_experimental } ServerActiveObject* ServerEnvironment::getActiveObject(u16 id) diff --git a/src/environment.h b/src/environment.h index 124bf9aab..a476230aa 100644 --- a/src/environment.h +++ b/src/environment.h @@ -57,6 +57,7 @@ public: void removePlayer(u16 peer_id); Player * getPlayer(u16 peer_id); Player * getPlayer(const char *name); + Player * getRandomConnectedPlayer(); core::list getPlayers(); core::list getPlayers(bool ignore_disconnected); void printPlayers(std::ostream &o); @@ -79,10 +80,12 @@ protected: #include "serverobject.h" +class Server; + class ServerEnvironment : public Environment { public: - ServerEnvironment(ServerMap *map); + ServerEnvironment(ServerMap *map, Server *server); ~ServerEnvironment(); Map & getMap() @@ -95,6 +98,11 @@ public: return *m_map; } + Server * getServer() + { + return m_server; + } + void step(f32 dtime); void serializePlayers(const std::string &savedir); @@ -140,6 +148,7 @@ public: private: ServerMap *m_map; + Server *m_server; core::map m_active_objects; Queue m_active_object_messages; float m_random_spawn_timer; diff --git a/src/main.cpp b/src/main.cpp index 06fae74bf..95761cf96 100644 --- a/src/main.cpp +++ b/src/main.cpp @@ -199,15 +199,6 @@ FIXME: Server went into some infinite PeerNotFoundException loop Objects: -------- -TODO: Better handling of objects and mobs - - Scripting? - - There has to be some way to do it with less messy code - - Make separate classes for client and server - - Client should not discriminate between blocks, server should - - Make other players utilize the same framework - - This is also needed for objects that don't get sent to client - but are used for triggers etc - TODO: There has to be some better way to handle static objects than to send them all the time. This affects signs and item objects. SUGG: Signs could be done in the same way as torches. For this, blocks @@ -262,6 +253,7 @@ Doing now (most important at the top): * not done === Fixmes +* Check the fixmes in the list above * Make server find the spawning place from the real map data, not from the heightmap - But the changing borders of chunk have to be avoided, because @@ -269,13 +261,16 @@ Doing now (most important at the top): * Make the generator to run in background and not blocking block placement and transfer * only_from_disk might not work anymore - check and fix it. -* Check the fixmes in the list above === Making it more portable * Some MSVC: std::sto* are defined without a namespace and collide with the ones in utility.h === Features +* Map should make the appropriate MapEditEvents +* Add a global Lua spawn handler and such +* Get rid of MapBlockObjects +* Other players could be sent to clients as LuaCAOs * Add mud underground * Make an "environment metafile" to store at least time of day * Move digging property stuff from material.{h,cpp} to mapnode.cpp... @@ -283,17 +278,15 @@ Doing now (most important at the top): * Add some kind of erosion and other stuff that now is possible * Make client to fetch stuff asynchronously - Needs method SyncProcessData -* Fix the problem with the server constantly saving one or a few - blocks? List the first saved block, maybe it explains. - - It is probably caused by oscillating water -* Water doesn't start flowing after map generation like it should - - Are there still problems? * Better water generation (spread it to underwater caverns but don't fill dungeons that don't touch big water masses) * When generating a chunk and the neighboring chunk doesn't have mud and stuff yet and the ground is fairly flat, the mud will flow to the other chunk making nasty straight walls when the other chunk is generated. Fix it. +* Fix the problem with the server constantly saving one or a few + blocks? List the first saved block, maybe it explains. + - It is probably caused by oscillating water * Make a small history check to transformLiquids to detect and log continuous oscillations, in such detail that they can be fixed. * Combine meshes to bigger ones in ClientMap and set them EHM_STATIC @@ -1796,7 +1789,7 @@ int main(int argc, char *argv[]) dstream<<"Created main menu"<run()) + while(g_device->run() && kill == false) { // Run global IrrlichtWrapper's main thread processing stuff g_irrlicht->Run(); @@ -1811,7 +1804,7 @@ int main(int argc, char *argv[]) } // Break out of menu-game loop to shut down cleanly - if(g_device->run() == false) + if(g_device->run() == false || kill == true) break; dstream<<"Dropping main menu"<::Iterator i = m_sectors.getIterator(); for(; i.atEnd() == false; i++) @@ -67,6 +53,29 @@ Map::~Map() } } +void Map::addEventReceiver(MapEventReceiver *event_receiver) +{ + m_event_receivers.insert(event_receiver, false); +} + +void Map::removeEventReceiver(MapEventReceiver *event_receiver) +{ + if(m_event_receivers.find(event_receiver) == NULL) + return; + m_event_receivers.remove(event_receiver); +} + +void Map::dispatchEvent(MapEditEvent *event) +{ + for(core::map::Iterator + i = m_event_receivers.getIterator(); + i.atEnd()==false; i++) + { + MapEventReceiver* event_receiver = i.getNode()->getKey(); + event_receiver->onMapEditEvent(event); + } +} + MapSector * Map::getSectorNoGenerateNoExNoLock(v2s16 p) { if(m_sector_cache != NULL && p == m_sector_cache_p){ @@ -145,34 +154,6 @@ MapBlock * Map::getBlockNoCreateNoEx(v3s16 p3d) return block; }*/ -f32 Map::getGroundHeight(v2s16 p, bool generate) -{ - try{ - v2s16 sectorpos = getNodeSectorPos(p); - MapSector * sref = getSectorNoGenerate(sectorpos); - v2s16 relpos = p - sectorpos * MAP_BLOCKSIZE; - f32 y = sref->getGroundHeight(relpos); - return y; - } - catch(InvalidPositionException &e) - { - return GROUNDHEIGHT_NOTFOUND_SETVALUE; - } -} - -void Map::setGroundHeight(v2s16 p, f32 y, bool generate) -{ - /*m_dout<mutex.Lock(); - sref->setGroundHeight(relpos, y); - //sref->mutex.Unlock(); -} - bool Map::isNodeUnderground(v3s16 p) { v3s16 blockpos = getNodeBlockPos(p); @@ -866,7 +847,7 @@ void Map::addNodeAndUpdate(v3s16 p, MapNode n, /*PrintInfo(m_dout); m_dout< modified_blocks; + addNodeAndUpdate(p, n, modified_blocks); + + // Copy modified_blocks to event + for(core::map::Iterator + i = modified_blocks.getIterator(); + i.atEnd()==false; i++) + { + event.modified_blocks.insert(i.getNode()->getKey(), false); + } + } + catch(InvalidPositionException &e){ + succeeded = false; + } + + dispatchEvent(&event); + + return succeeded; +} + +bool Map::removeNodeWithEvent(v3s16 p) +{ + MapEditEvent event; + event.type = MEET_REMOVENODE; + event.p = p; + + bool succeeded = true; + try{ + core::map modified_blocks; + removeNodeAndUpdate(p, modified_blocks); + + // Copy modified_blocks to event + for(core::map::Iterator + i = modified_blocks.getIterator(); + i.atEnd()==false; i++) + { + event.modified_blocks.insert(i.getNode()->getKey(), false); + } + } + catch(InvalidPositionException &e){ + succeeded = false; + } + + dispatchEvent(&event); + + return succeeded; +} + bool Map::dayNightDiffed(v3s16 blockpos) { try{ @@ -4535,6 +4572,42 @@ MapBlock * ServerMap::emergeBlock( return block; } +s16 ServerMap::findGroundLevel(v2s16 p2d) +{ + /* + Uh, just do something random... + */ + // Find existing map from top to down + s16 max=63; + s16 min=-64; + v3s16 p(p2d.X, max, p2d.Y); + for(; p.Y>min; p.Y--) + { + MapNode n = getNodeNoEx(p); + if(n.d != CONTENT_IGNORE) + break; + } + if(p.Y == min) + goto plan_b; + // If this node is not air, go to plan b + if(getNodeNoEx(p).d != CONTENT_AIR) + goto plan_b; + // Search existing walkable and return it + for(; p.Y>min; p.Y--) + { + MapNode n = getNodeNoEx(p); + if(content_walkable(n.d) && n.d != CONTENT_IGNORE) + return p.Y; + } + // Move to plan b +plan_b: + /* + Plan B: Get from map generator perlin noise function + */ + double level = base_rock_level_2d(m_seed, p2d); + return (s16)level; +} + void ServerMap::createDir(std::string path) { if(fs::CreateDir(path) == false) @@ -5122,28 +5195,6 @@ void ServerMap::loadBlock(std::string sectordir, std::string blockfile, MapSecto } } -// Gets from master heightmap -void ServerMap::getSectorCorners(v2s16 p2d, s16 *corners) -{ - dstream<<"DEPRECATED: "<<__FUNCTION_NAME<getGroundHeight - ((p2d+v2s16(0,0))*SECTOR_HEIGHTMAP_SPLIT); - corners[1] = m_heightmap->getGroundHeight - ((p2d+v2s16(1,0))*SECTOR_HEIGHTMAP_SPLIT); - corners[2] = m_heightmap->getGroundHeight - ((p2d+v2s16(1,1))*SECTOR_HEIGHTMAP_SPLIT); - corners[3] = m_heightmap->getGroundHeight - ((p2d+v2s16(0,1))*SECTOR_HEIGHTMAP_SPLIT);*/ -} - void ServerMap::PrintInfo(std::ostream &out) { out<<"ServerMap: "; @@ -5165,20 +5216,15 @@ ClientMap::ClientMap( Map(dout_client), scene::ISceneNode(parent, mgr, id), m_client(client), - m_control(control) + m_control(control), + m_camera_position(0,0,0), + m_camera_direction(0,0,1) { - //mesh_mutex.Init(); - - /*m_box = core::aabbox3d(0,0,0, - map->getW()*BS, map->getH()*BS, map->getD()*BS);*/ - /*m_box = core::aabbox3d(0,0,0, - map->getSizeNodes().X * BS, - map->getSizeNodes().Y * BS, - map->getSizeNodes().Z * BS);*/ + m_camera_mutex.Init(); + assert(m_camera_mutex.IsInitialized()); + m_box = core::aabbox3d(-BS*1000000,-BS*1000000,-BS*1000000, BS*1000000,BS*1000000,BS*1000000); - - //setPosition(v3f(BS,BS,BS)); } ClientMap::~ClientMap() diff --git a/src/map.h b/src/map.h index d39ede26f..1cebef634 100644 --- a/src/map.h +++ b/src/map.h @@ -44,6 +44,51 @@ with this program; if not, write to the Free Software Foundation, Inc., #define MAPTYPE_SERVER 1 #define MAPTYPE_CLIENT 2 +enum MapEditEventType{ + MEET_ADDNODE, + MEET_REMOVENODE, + MEET_OTHER +}; + +struct MapEditEvent +{ + MapEditEventType type; + v3s16 p; + MapNode n; + core::map modified_blocks; + u16 already_known_by_peer; + + MapEditEvent(): + type(MEET_OTHER), + already_known_by_peer(0) + { + } + + MapEditEvent * clone() + { + MapEditEvent *event = new MapEditEvent(); + event->type = type; + event->p = p; + event->n = n; + for(core::map::Iterator + i = modified_blocks.getIterator(); + i.atEnd()==false; i++) + { + v3s16 p = i.getNode()->getKey(); + bool v = i.getNode()->getValue(); + event->modified_blocks.insert(p, v); + } + return event; + } +}; + +class MapEventReceiver +{ +public: + // event shall be deleted by caller after the call. + virtual void onMapEditEvent(MapEditEvent *event) = 0; +}; + class Map : public NodeContainer { public: @@ -69,25 +114,11 @@ public: delete this; } - void updateCamera(v3f pos, v3f dir) - { - JMutexAutoLock lock(m_camera_mutex); - m_camera_position = pos; - m_camera_direction = dir; - } + void addEventReceiver(MapEventReceiver *event_receiver); + void removeEventReceiver(MapEventReceiver *event_receiver); + // event shall be deleted by caller after the call. + void dispatchEvent(MapEditEvent *event); - static core::aabbox3d getNodeBox(v3s16 p) - { - return core::aabbox3d( - (float)p.X * BS - 0.5*BS, - (float)p.Y * BS - 0.5*BS, - (float)p.Z * BS - 0.5*BS, - (float)p.X * BS + 0.5*BS, - (float)p.Y * BS + 0.5*BS, - (float)p.Z * BS + 0.5*BS - ); - } - // On failure returns NULL MapSector * getSectorNoGenerateNoExNoLock(v2s16 p2d); // On failure returns NULL @@ -112,10 +143,6 @@ public: // Gets an existing block or creates an empty one //MapBlock * getBlockCreate(v3s16 p); - // Returns InvalidPositionException if not found - f32 getGroundHeight(v2s16 p, bool generate=false); - void setGroundHeight(v2s16 p, f32 y, bool generate=false); - // Returns InvalidPositionException if not found bool isNodeUnderground(v3s16 p); @@ -211,6 +238,14 @@ public: core::map &modified_blocks); void removeNodeAndUpdate(v3s16 p, core::map &modified_blocks); + + /* + Wrappers for the latter ones. + These emit events. + Return true if succeeded, false if not. + */ + bool addNodeWithEvent(v3s16 p, MapNode n); + bool removeNodeWithEvent(v3s16 p); /* Takes the blocks at the edges into account @@ -249,13 +284,12 @@ protected: std::ostream &m_dout; + core::map m_event_receivers; + + // Mutex is important because on client map is accessed asynchronously core::map m_sectors; JMutex m_sector_mutex; - v3f m_camera_position; - v3f m_camera_direction; - JMutex m_camera_mutex; - // Be sure to set this to NULL when the cached sector is deleted MapSector *m_sector_cache; v2s16 m_sector_cache_p; @@ -444,6 +478,9 @@ public: core::map &lighting_invalidated_blocks ); #endif + + // Helper for placing objects on ground level + s16 findGroundLevel(v2s16 p2d); /* Misc. helper functions for fiddling with directory and file @@ -489,10 +526,6 @@ public: // This will generate a sector with getSector if not found. void loadBlock(std::string sectordir, std::string blockfile, MapSector *sector); - // Gets from master heightmap - // DEPRECATED? - void getSectorCorners(v2s16 p2d, s16 *corners); - // For debug printing virtual void PrintInfo(std::ostream &out); @@ -573,6 +606,13 @@ public: ISceneNode::drop(); } + void updateCamera(v3f pos, v3f dir) + { + JMutexAutoLock lock(m_camera_mutex); + m_camera_position = pos; + m_camera_direction = dir; + } + /* Forcefully get a sector from somewhere */ @@ -640,6 +680,11 @@ private: //JMutex mesh_mutex; MapDrawControl &m_control; + + v3f m_camera_position; + v3f m_camera_direction; + JMutex m_camera_mutex; + }; #endif diff --git a/src/mapblockobject.cpp b/src/mapblockobject.cpp index ff58fd045..cd1618c3a 100644 --- a/src/mapblockobject.cpp +++ b/src/mapblockobject.cpp @@ -19,10 +19,11 @@ with this program; if not, write to the Free Software Foundation, Inc., #include "mapblockobject.h" #include "mapblock.h" -// Only for ::getNodeBox, TODO: Get rid of this +// For object wrapping #include "map.h" #include "inventory.h" #include "irrlichtwrapper.h" +#include "utility.h" /* MapBlockObject @@ -168,8 +169,7 @@ void MovingObject::move(float dtime, v3f acceleration) // walking over map borders } - core::aabbox3d nodebox = Map::getNodeBox( - v3s16(x,y,z)); + core::aabbox3d nodebox = getNodeBox(v3s16(x,y,z), BS); // See if the object is touching ground if( diff --git a/src/player.cpp b/src/player.cpp index 07879c21a..3bde8a563 100644 --- a/src/player.cpp +++ b/src/player.cpp @@ -428,8 +428,7 @@ void LocalPlayer::move(f32 dtime, Map &map, f32 pos_max_d) // walking over map borders } - core::aabbox3d nodebox = Map::getNodeBox( - v3s16(x,y,z)); + core::aabbox3d nodebox = getNodeBox(v3s16(x,y,z), BS); /* See if the player is touching ground. diff --git a/src/porting.cpp b/src/porting.cpp index 97b028236..e8b135255 100644 --- a/src/porting.cpp +++ b/src/porting.cpp @@ -51,7 +51,7 @@ void sigint_handler(int sig) dstream< &l) Server::Server( std::string mapsavedir ): - m_env(new ServerMap(mapsavedir)), + m_env(new ServerMap(mapsavedir), this), m_con(PROTOCOL_ID, 512, CONNECTION_TIMEOUT, this), m_thread(this), m_emergethread(this), @@ -902,9 +902,10 @@ Server::Server( m_time_of_day_send_timer(0), m_uptime(0), m_mapsavedir(mapsavedir), - m_shutdown_requested(false) + m_shutdown_requested(false), + m_ignore_map_edit_events(false), + m_ignore_map_edit_events_peer_id(0) { - //m_flowwater_timer = 0.0; m_liquid_transform_timer = 0.0; m_print_info_timer = 0.0; m_objectdata_timer = 0.0; @@ -916,6 +917,8 @@ Server::Server( m_step_dtime_mutex.Init(); m_step_dtime = 0.0; + m_env.getMap().addEventReceiver(this); + // Load players m_env.deSerializePlayers(m_mapsavedir); } @@ -1191,12 +1194,18 @@ void Server::AsyncRunStep() } } + if(g_settings.getBool("enable_experimental")) + { + /* Check added and deleted active objects */ { JMutexAutoLock envlock(m_env_mutex); JMutexAutoLock conlock(m_con_mutex); + + // Radius inside which objects are active + s16 radius = 32; for(core::map::Iterator i = m_clients.getIterator(); @@ -1204,8 +1213,9 @@ void Server::AsyncRunStep() { RemoteClient *client = i.getNode()->getValue(); Player *player = m_env.getPlayer(client->peer_id); + if(player==NULL) + continue; v3s16 pos = floatToInt(player->getPosition(), BS); - s16 radius = 32; core::map removed_objects; core::map added_objects; @@ -1407,8 +1417,44 @@ void Server::AsyncRunStep() } } + } // enable_experimental + + /* + Send queued-for-sending map edit events. + */ + { + while(m_unsent_map_edit_queue.size() != 0) + { + MapEditEvent* event = m_unsent_map_edit_queue.pop_front(); + + if(event->type == MEET_ADDNODE) + { + dstream<<"Server: MEET_ADDNODE"<p, event->n, event->already_known_by_peer); + } + else if(event->type == MEET_REMOVENODE) + { + dstream<<"Server: MEET_REMOVENODE"<p, event->already_known_by_peer); + } + else if(event->type == MEET_OTHER) + { + dstream<<"WARNING: Server: MEET_OTHER not implemented" + <type)< reply(replysize); - writeU16(&reply[0], TOCLIENT_REMOVENODE); - writeS16(&reply[2], p_under.X); - writeS16(&reply[4], p_under.Y); - writeS16(&reply[6], p_under.Z); - - for(core::map::Iterator - i = m_clients.getIterator(); - i.atEnd() == false; i++) - { - // Get client and check that it is valid - RemoteClient *client = i.getNode()->getValue(); - assert(client->peer_id == i.getNode()->getKey()); - if(client->serialization_version == SER_FMT_VER_INVALID) - continue; - - // Don't send if it's the same one - if(peer_id == client->peer_id) - continue; - - // Send as reliable - m_con.Send(client->peer_id, 0, reply, true); - } + sendRemoveNode(p_over, peer_id); /* Update and send inventory @@ -2063,33 +2084,9 @@ void Server::ProcessData(u8 *data, u32 datasize, u16 peer_id) Remove the node (this takes some time so it is done after the quick stuff) */ + m_ignore_map_edit_events = true; m_env.getMap().removeNodeAndUpdate(p_under, modified_blocks); - -#if 0 - /* - Update water - */ - - // Update water pressure around modification - // This also adds it to m_flow_active_nodes if appropriate - - MapVoxelManipulator v(&m_env.getMap()); - v.m_disable_water_climb = - g_settings.getBool("disable_water_climb"); - - VoxelArea area(p_under-v3s16(1,1,1), p_under+v3s16(1,1,1)); - - try - { - v.updateAreaWaterPressure(area, m_flow_active_nodes); - } - catch(ProcessingLimitException &e) - { - dstream<<"Processing limit reached (1)"<getMaterial(); if(content_features(n.d).wall_mounted) n.dir = packDir(p_under - p_over); - - // Create packet - u32 replysize = 8 + MapNode::serializedLength(peer_ser_ver); - SharedBuffer reply(replysize); - writeU16(&reply[0], TOCLIENT_ADDNODE); - writeS16(&reply[2], p_over.X); - writeS16(&reply[4], p_over.Y); - writeS16(&reply[6], p_over.Z); - n.serialize(&reply[8], peer_ser_ver); - // Send as reliable - m_con.SendToAll(0, reply, true); + + /* + Send to all players + */ + sendAddNode(p_over, n, 0); /* Handle inventory @@ -2183,7 +2174,9 @@ void Server::ProcessData(u8 *data, u32 datasize, u16 peer_id) This takes some time so it is done after the quick stuff */ core::map modified_blocks; + m_ignore_map_edit_events = true; m_env.getMap().addNodeAndUpdate(p_over, n, modified_blocks); + m_ignore_map_edit_events = false; /* Calculate special events @@ -2595,41 +2588,13 @@ void Server::ProcessData(u8 *data, u32 datasize, u16 peer_id) } } -/*void Server::Send(u16 peer_id, u16 channelnum, - SharedBuffer data, bool reliable) +void Server::onMapEditEvent(MapEditEvent *event) { - JMutexAutoLock lock(m_con_mutex); - m_con.Send(peer_id, channelnum, data, reliable); -}*/ - -void Server::SendBlockNoLock(u16 peer_id, MapBlock *block, u8 ver) -{ - DSTACK(__FUNCTION_NAME); - /* - Create a packet with the block in the right format - */ - - std::ostringstream os(std::ios_base::binary); - block->serialize(os, ver); - std::string s = os.str(); - SharedBuffer blockdata((u8*)s.c_str(), s.size()); - - u32 replysize = 8 + blockdata.getSize(); - SharedBuffer reply(replysize); - v3s16 p = block->getPos(); - writeU16(&reply[0], TOCLIENT_BLOCKDATA); - writeS16(&reply[2], p.X); - writeS16(&reply[4], p.Y); - writeS16(&reply[6], p.Z); - memcpy(&reply[8], *blockdata, blockdata.getSize()); - - /*dstream<<"Sending block ("<clone(); + m_unsent_map_edit_queue.push_back(e); } core::list Server::getPlayerInfo() @@ -2759,6 +2724,10 @@ void Server::SendPlayerInfos() m_con.SendToAll(0, data, true); } +/* + Craft checking system +*/ + enum ItemSpecType { ITEM_NONE, @@ -3109,6 +3078,97 @@ void Server::BroadcastChatMessage(const std::wstring &message) } } +void Server::sendRemoveNode(v3s16 p, u16 ignore_id) +{ + JMutexAutoLock conlock(m_con_mutex); + + // Create packet + u32 replysize = 8; + SharedBuffer reply(replysize); + writeU16(&reply[0], TOCLIENT_REMOVENODE); + writeS16(&reply[2], p.X); + writeS16(&reply[4], p.Y); + writeS16(&reply[6], p.Z); + + for(core::map::Iterator + i = m_clients.getIterator(); + i.atEnd() == false; i++) + { + // Get client and check that it is valid + RemoteClient *client = i.getNode()->getValue(); + assert(client->peer_id == i.getNode()->getKey()); + if(client->serialization_version == SER_FMT_VER_INVALID) + continue; + + // Don't send if it's the same one + if(client->peer_id == ignore_id) + continue; + + // Send as reliable + m_con.Send(client->peer_id, 0, reply, true); + } +} + +void Server::sendAddNode(v3s16 p, MapNode n, u16 ignore_id) +{ + for(core::map::Iterator + i = m_clients.getIterator(); + i.atEnd() == false; i++) + { + // Get client and check that it is valid + RemoteClient *client = i.getNode()->getValue(); + assert(client->peer_id == i.getNode()->getKey()); + if(client->serialization_version == SER_FMT_VER_INVALID) + continue; + + // Don't send if it's the same one + if(client->peer_id == ignore_id) + continue; + + // Create packet + u32 replysize = 8 + MapNode::serializedLength(client->serialization_version); + SharedBuffer reply(replysize); + writeU16(&reply[0], TOCLIENT_ADDNODE); + writeS16(&reply[2], p.X); + writeS16(&reply[4], p.Y); + writeS16(&reply[6], p.Z); + n.serialize(&reply[8], client->serialization_version); + + // Send as reliable + m_con.Send(client->peer_id, 0, reply, true); + } +} + +void Server::SendBlockNoLock(u16 peer_id, MapBlock *block, u8 ver) +{ + DSTACK(__FUNCTION_NAME); + /* + Create a packet with the block in the right format + */ + + std::ostringstream os(std::ios_base::binary); + block->serialize(os, ver); + std::string s = os.str(); + SharedBuffer blockdata((u8*)s.c_str(), s.size()); + + u32 replysize = 8 + blockdata.getSize(); + SharedBuffer reply(replysize); + v3s16 p = block->getPos(); + writeU16(&reply[0], TOCLIENT_BLOCKDATA); + writeS16(&reply[2], p.X); + writeS16(&reply[4], p.Y); + writeS16(&reply[6], p.Z); + memcpy(&reply[8], *blockdata, blockdata.getSize()); + + /*dstream<<"Sending block ("<getName()<<"\""<setPosition(intToFloat(v3s16( 0, 45, //64, 0 ), BS)); #endif -#if 0 - f32 groundheight = 0; -#if 0 +#if 1 + s16 groundheight = 0; +#if 1 // Try to find a good place a few times for(s32 i=0; i<500; i++) { @@ -3334,12 +3394,20 @@ Player *Server::emergePlayer(const char *name, const char *password, nodepos = v2s16(-range + (myrand()%(range*2)), -range + (myrand()%(range*2))); v2s16 sectorpos = getNodeSectorPos(nodepos); + /* + Ignore position if it is near a chunk edge. + Otherwise it would cause excessive loading time at + initial generation + */ + { + if(m_env.getServerMap().sector_to_chunk(sectorpos+v2s16(1,1)) + != m_env.getServerMap().sector_to_chunk(sectorpos+v2s16(-1,-1))) + continue; + } // Get sector m_env.getMap().emergeSector(sectorpos); // Get ground height at point - groundheight = m_env.getMap().getGroundHeight(nodepos, true); - // The sector should have been generated -> groundheight exists - assert(groundheight > GROUNDHEIGHT_VALID_MINVALUE); + groundheight = m_env.getServerMap().findGroundLevel(nodepos); // Don't go underwater if(groundheight < WATER_LEVEL) { @@ -3384,10 +3452,9 @@ Player *Server::emergePlayer(const char *name, const char *password, player->setPosition(intToFloat(v3s16( nodepos.X, - //groundheight + 1, - groundheight + 15, + groundheight + 1, nodepos.Y - ))); + ), BS)); #endif /* diff --git a/src/server.h b/src/server.h index 292e2d5cd..f997828b2 100644 --- a/src/server.h +++ b/src/server.h @@ -30,6 +30,7 @@ with this program; if not, write to the Free Software Foundation, Inc., #include #include "utility.h" #include "porting.h" +#include "map.h" struct QueuedBlockEmerge { @@ -341,12 +342,13 @@ private: u32 m_excess_gotblocks; }; -class Server : public con::PeerHandler +class Server : public con::PeerHandler, public MapEventReceiver { public: /* NOTE: Every public method should be thread-safe */ + Server( std::string mapsavedir ); @@ -361,29 +363,24 @@ public: void Receive(); void ProcessData(u8 *data, u32 datasize, u16 peer_id); - // Environment and Connection must be locked when called - void SendBlockNoLock(u16 peer_id, MapBlock *block, u8 ver); - - // - core::list getPlayerInfo(); u32 getDayNightRatio() { - s32 d = 8; - s32 t = (((m_time_of_day.get() + 24000/d/2)%24000)/(24000/d)); - if(t == d/4 || t == (d-d/4)) - return 600; - else if(t < d/4 || t > (d-d/4)) - return 300; - else - return 1000; + return time_to_daynight_ratio(m_time_of_day.get()); } bool getShutdownRequested() { return m_shutdown_requested.get(); } + + /* + Shall be called with the environment locked. + This is accessed by the map, which is inside the environment, + so it shouldn't be a problem. + */ + void onMapEditEvent(MapEditEvent *event); private: @@ -398,6 +395,11 @@ private: void SendInventory(u16 peer_id); void SendChatMessage(u16 peer_id, const std::wstring &message); void BroadcastChatMessage(const std::wstring &message); + void sendRemoveNode(v3s16 p, u16 ignore_id=0); + void sendAddNode(v3s16 p, MapNode n, u16 ignore_id=0); + + // Environment and Connection must be locked when called + void SendBlockNoLock(u16 peer_id, MapBlock *block, u8 ver); // Sends blocks to clients void SendBlocks(float dtime); @@ -484,6 +486,24 @@ private: std::string m_mapsavedir; MutexedVariable m_shutdown_requested; + + /* + Queue of map edits from the environment for sending to the clients + This is behind m_env_mutex + */ + Queue m_unsent_map_edit_queue; + /* + Set to true when the server itself is modifying the map and does + all sending of information by itself. + This is behind m_env_mutex + */ + bool m_ignore_map_edit_events; + /* + If set to !=0, the incoming MapEditEvents are modified to have + this peed id as the disabled recipient + This is behind m_env_mutex + */ + u16 m_ignore_map_edit_events_peer_id; friend class EmergeThread; friend class RemoteClient; diff --git a/src/serverobject.cpp b/src/serverobject.cpp index 8b41cef16..7266fc2b1 100644 --- a/src/serverobject.cpp +++ b/src/serverobject.cpp @@ -88,35 +88,33 @@ extern "C"{ } /* - Functions for calling from script: - - object_set_base_position(self, x,y,z) - x,y,z = object_get_base_position(self) - object_add_message(self, data) - n = object_get_node(self, x,y,z) - object_remove(self) - Callbacks in script: - step(self, dtime) - get_client_init_data(self) - get_server_init_data(self) - initialize(self, data) + on_step(self, dtime) + on_get_client_init_data(self) + on_get_server_init_data(self) + on_initialize(self, data) */ /* - object_set_base_position(self, x, y, z) + object_set_base_position(self, {X=,Y=,Z=}) */ static int lf_object_set_base_position(lua_State *L) { - // 4: z - lua_Number z = lua_tonumber(L, -1); + // 2: position + assert(lua_istable(L, -1)); + lua_pushstring(L, "X"); + lua_gettable(L, -2); + lua_Number x = lua_tonumber(L, -1); lua_pop(L, 1); - // 3: y + lua_pushstring(L, "Y"); + lua_gettable(L, -2); lua_Number y = lua_tonumber(L, -1); lua_pop(L, 1); - // 2: x - lua_Number x = lua_tonumber(L, -1); + lua_pushstring(L, "Z"); + lua_gettable(L, -2); + lua_Number z = lua_tonumber(L, -1); + lua_pop(L, 1); lua_pop(L, 1); // 1: self LuaSAO *self = (LuaSAO*)lua_touserdata(L, -1); @@ -130,7 +128,7 @@ static int lf_object_set_base_position(lua_State *L) } /* - object_get_base_position(self) + {X=,Y=,Z=} object_get_base_position(self) */ static int lf_object_get_base_position(lua_State *L) { @@ -142,10 +140,21 @@ static int lf_object_get_base_position(lua_State *L) v3f pos = self->getBasePosition(); + lua_newtable(L); + + lua_pushstring(L, "X"); lua_pushnumber(L, pos.X/BS); + lua_settable(L, -3); + + lua_pushstring(L, "Y"); lua_pushnumber(L, pos.Y/BS); + lua_settable(L, -3); + + lua_pushstring(L, "Z"); lua_pushnumber(L, pos.Z/BS); - return 3; // Number of return values + lua_settable(L, -3); + + return 1; // Number of return values } /* @@ -178,18 +187,24 @@ static int lf_object_add_message(lua_State *L) } /* - object_get_node(self, x,y,z) + object_get_node(self, {X=,Y=,Z=}) */ static int lf_object_get_node(lua_State *L) { - // 4: z - lua_Number z = lua_tonumber(L, -1); + // 2: position + assert(lua_istable(L, -1)); + lua_pushstring(L, "X"); + lua_gettable(L, -2); + lua_Number x = lua_tonumber(L, -1); lua_pop(L, 1); - // 3: y + lua_pushstring(L, "Y"); + lua_gettable(L, -2); lua_Number y = lua_tonumber(L, -1); lua_pop(L, 1); - // 2: x - lua_Number x = lua_tonumber(L, -1); + lua_pushstring(L, "Z"); + lua_gettable(L, -2); + lua_Number z = lua_tonumber(L, -1); + lua_pop(L, 1); lua_pop(L, 1); // 1: self LuaSAO *self = (LuaSAO*)lua_touserdata(L, -1); @@ -217,9 +232,6 @@ static int lf_object_get_node(lua_State *L) lua_pushstring(L, "param2"); lua_pushinteger(L, n.param2); lua_settable(L, -3); - lua_pushstring(L, "walkable"); - lua_pushboolean(L, content_features(n.d).walkable); - lua_settable(L, -3); // Return the table return 1; @@ -227,39 +239,82 @@ static int lf_object_get_node(lua_State *L) #if 0 /* - object_set_node(self, x,y,z, n) + get_node_features(node) + node = {content=,param1=,param2=} */ -static int lf_object_set_node(lua_State *L) +static int lf_get_node_features(lua_State *L) { MapNode n; - - // 5: n - // Get fields of table - - lua_pushinteger(L, "content"); + + // 1: node + assert(lua_istable(L, -1)); + lua_pushstring(L, "content"); lua_gettable(L, -2); - n.d = lua_tonumber(L, -1); + n.d = lua_tointeger(L, -1); lua_pop(L, 1); - - lua_pushinteger(L, "param1"); + lua_pushstring(L, "param1"); lua_gettable(L, -2); - n.param = lua_tonumber(L, -1); + n.param = lua_tointeger(L, -1); lua_pop(L, 1); - - lua_pushinteger(L, "param2"); + lua_pushstring(L, "param2"); lua_gettable(L, -2); - n.param2 = lua_tonumber(L, -1); + n.param2 = lua_tointeger(L, -1); + lua_pop(L, 1); lua_pop(L, 1); + ContentFeatures &f = content_features(n.d); + +} +#endif + +/* + get_content_features(content) +*/ +static int lf_get_content_features(lua_State *L) +{ + MapNode n; + + // 1: content + n.d = lua_tointeger(L, -1); lua_pop(L, 1); - // 4: z - lua_Number z = lua_tonumber(L, -1); + + // Get and return information + ContentFeatures &f = content_features(n.d); + + lua_newtable(L); + lua_pushstring(L, "walkable"); + lua_pushboolean(L, f.walkable); + lua_settable(L, -3); + lua_pushstring(L, "diggable"); + lua_pushboolean(L, f.diggable); + lua_settable(L, -3); + lua_pushstring(L, "buildable_to"); + lua_pushboolean(L, f.buildable_to); + lua_settable(L, -3); + + return 1; +} + +/* + bool object_dig_node(self, {X=,Y=,Z=}) + Return true on success +*/ +static int lf_object_dig_node(lua_State *L) +{ + // 2: position + assert(lua_istable(L, -1)); + lua_pushstring(L, "X"); + lua_gettable(L, -2); + lua_Number x = lua_tonumber(L, -1); lua_pop(L, 1); - // 3: y + lua_pushstring(L, "Y"); + lua_gettable(L, -2); lua_Number y = lua_tonumber(L, -1); lua_pop(L, 1); - // 2: x - lua_Number x = lua_tonumber(L, -1); + lua_pushstring(L, "Z"); + lua_gettable(L, -2); + lua_Number z = lua_tonumber(L, -1); + lua_pop(L, 1); lua_pop(L, 1); // 1: self LuaSAO *self = (LuaSAO*)lua_touserdata(L, -1); @@ -268,27 +323,80 @@ static int lf_object_set_node(lua_State *L) assert(self); v3s16 pos = floatToInt(v3f(x,y,z), 1.0); - - /*dstream<<"Checking node from pos=("<getEnv()->getMap().getNodeNoEx(pos); - - // Create a table with some data about the node - lua_newtable(L); - lua_pushstring(L, "content"); - lua_pushinteger(L, n.d); - lua_settable(L, -3); - lua_pushstring(L, "walkable"); - lua_pushboolean(L, content_features(n.d).walkable); - lua_settable(L, -3); + /* + Do stuff. + This gets sent to the server by the map through the edit + event system. + */ + bool succeeded = self->getEnv()->getMap().removeNodeWithEvent(pos); - // Return the table + lua_pushboolean(L, succeeded); + return 1; +} + +/* + bool object_place_node(self, {X=,Y=,Z=}, node) + node={content=,param1=,param2=} + param1 and param2 are optional + Return true on success +*/ +static int lf_object_place_node(lua_State *L) +{ + // 3: node + MapNode n(CONTENT_STONE); + assert(lua_istable(L, -1)); + { + lua_pushstring(L, "content"); + lua_gettable(L, -2); + if(lua_isnumber(L, -1)) + n.d = lua_tonumber(L, -1); + lua_pop(L, 1); + lua_pushstring(L, "param1"); + lua_gettable(L, -2); + if(lua_isnumber(L, -1)) + n.param = lua_tonumber(L, -1); + lua_pop(L, 1); + lua_pushstring(L, "param2"); + lua_gettable(L, -2); + if(lua_isnumber(L, -1)) + n.param2 = lua_tonumber(L, -1); + lua_pop(L, 1); + } + lua_pop(L, 1); + // 2: position + assert(lua_istable(L, -1)); + lua_pushstring(L, "X"); + lua_gettable(L, -2); + lua_Number x = lua_tonumber(L, -1); + lua_pop(L, 1); + lua_pushstring(L, "Y"); + lua_gettable(L, -2); + lua_Number y = lua_tonumber(L, -1); + lua_pop(L, 1); + lua_pushstring(L, "Z"); + lua_gettable(L, -2); + lua_Number z = lua_tonumber(L, -1); + lua_pop(L, 1); + lua_pop(L, 1); + // 1: self + LuaSAO *self = (LuaSAO*)lua_touserdata(L, -1); + lua_pop(L, 1); + + assert(self); + + v3s16 pos = floatToInt(v3f(x,y,z), 1.0); + + /* + Do stuff. + This gets sent to the server by the map through the edit + event system. + */ + bool succeeded = self->getEnv()->getMap().addNodeWithEvent(pos, n); + + lua_pushboolean(L, succeeded); return 1; } -#endif /* object_remove(x,y,z) @@ -306,6 +414,38 @@ static int lf_object_remove(lua_State *L) return 0; } +/* + {X=,Y=,Z=} object_get_nearest_player_position(self) +*/ +/*static int lf_object_get_nearest_player_position(lua_State *L) +{ + // 1: self + LuaSAO *self = (LuaSAO*)lua_touserdata(L, -1); + lua_pop(L, 1); + + assert(self); + + ServerEnvironment *env = self->getEnv(); + env-> + v3f pos = ; + + lua_newtable(L); + + lua_pushstring(L, "X"); + lua_pushnumber(L, pos.X/BS); + lua_settable(L, -3); + + lua_pushstring(L, "Y"); + lua_pushnumber(L, pos.Y/BS); + lua_settable(L, -3); + + lua_pushstring(L, "Z"); + lua_pushnumber(L, pos.Z/BS); + lua_settable(L, -3); + + return 1; // Number of return values +}*/ + LuaSAO::LuaSAO(ServerEnvironment *env, u16 id, v3f pos): ServerActiveObject(env, id, pos), L(NULL) @@ -329,6 +469,9 @@ LuaSAO::LuaSAO(ServerEnvironment *env, u16 id, v3f pos): lua_register(L, "object_get_base_position", lf_object_get_base_position); lua_register(L, "object_add_message", lf_object_add_message); lua_register(L, "object_get_node", lf_object_get_node); + lua_register(L, "get_content_features", lf_get_content_features); + lua_register(L, "object_dig_node", lf_object_dig_node); + lua_register(L, "object_place_node", lf_object_place_node); lua_register(L, "object_remove", lf_object_remove); } @@ -372,7 +515,7 @@ std::string LuaSAO::getClientInitializationData() do{ - const char *funcname = "get_client_init_data"; + const char *funcname = "on_get_client_init_data"; lua_getglobal(L, funcname); if(!lua_isfunction(L,-1)) { @@ -430,7 +573,7 @@ std::string LuaSAO::getServerInitializationData() do{ - const char *funcname = "get_server_init_data"; + const char *funcname = "on_get_server_init_data"; lua_getglobal(L, funcname); if(!lua_isfunction(L,-1)) { @@ -474,7 +617,41 @@ std::string LuaSAO::getServerInitializationData() return data; } -void LuaSAO::initialize(const std::string &data) +void LuaSAO::initializeFromNothing(const std::string &script_name) +{ + loadScripts(script_name); + + /* + Call on_initialize(self, data) in the script + */ + + const char *funcname = "on_initialize"; + lua_getglobal(L, funcname); + if(!lua_isfunction(L,-1)) + { + lua_pop(L,1); + dstream<<"WARNING: LuaSAO: Function not found: " + < &messages) { - lua_getglobal(L, "step"); + const char *funcname = "on_step"; + lua_getglobal(L, funcname); if(!lua_isfunction(L,-1)) { lua_pop(L,1); - dstream<<"WARNING: LuaSAO::step(): step function not found"< &messages) // Call (2 parameters, 0 result) if(lua_pcall(L, 2, 0, 0)) { - dstream<<"WARNING: LuaSAO::step(): Error running function step(): " + dstream<<"WARNING: LuaSAO::step(): Error running function " + < buf2(s_size); is.read(&buf2[0], s_size); std::string s; @@ -1867,7 +1871,11 @@ inline std::string deSerializeLongString(std::istream &is) { char buf[4]; is.read(buf, 4); + if(is.gcount() != 4) + throw SerializationError("deSerializeLongString: size not read"); u32 s_size = readU32((u8*)buf); + if(s_size == 0) + return ""; Buffer buf2(s_size); is.read(&buf2[0], s_size); std::string s;