From 63611932ebae93620386b26cfa82f7c4552b22ff Mon Sep 17 00:00:00 2001 From: Perttu Ahola Date: Sun, 29 May 2011 21:11:16 +0300 Subject: player passwords and privileges in world/auth.txt --HG-- extra : rebase_source : 7260636295d9068fbeeddf4143c89f2b8a91446c --- src/server.h | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) (limited to 'src/server.h') diff --git a/src/server.h b/src/server.h index 54330856c..a6da801be 100644 --- a/src/server.h +++ b/src/server.h @@ -32,6 +32,7 @@ with this program; if not, write to the Free Software Foundation, Inc., #include "porting.h" #include "map.h" #include "inventory.h" +#include "auth.h" /* Some random functions @@ -438,7 +439,8 @@ private: */ static void SendHP(con::Connection &con, u16 peer_id, u8 hp); - static void SendAccessDenied(con::Connection &con, u16 peer_id); + static void SendAccessDenied(con::Connection &con, u16 peer_id, + const std::wstring &reason); /* Non-static send methods @@ -514,6 +516,9 @@ private: JMutex m_con_mutex; // Connected clients (behind the con mutex) core::map m_clients; + + // User authentication + AuthManager m_authmanager; /* Threads -- cgit v1.2.3 From e81919c818c6040de7401a037e3fdfac88b28eea Mon Sep 17 00:00:00 2001 From: Perttu Ahola Date: Sun, 29 May 2011 22:34:04 +0300 Subject: hopefully fixed the privilege problems --HG-- extra : rebase_source : 9826d20176134a53ff232816a10407465d8c0f50 --- doc/changelog.txt | 2 +- src/player.cpp | 1 - src/player.h | 3 --- src/server.cpp | 48 ++++++++++++++++++++++++++++++++++++------------ src/server.h | 24 ++++++++++++++++++++++++ src/servercommand.cpp | 16 +++++++++++----- 6 files changed, 72 insertions(+), 22 deletions(-) (limited to 'src/server.h') diff --git a/doc/changelog.txt b/doc/changelog.txt index 7089146a0..e02019783 100644 --- a/doc/changelog.txt +++ b/doc/changelog.txt @@ -3,7 +3,7 @@ Minetest-c55 changelog This should contain all the major changes. For minor stuff, refer to the commit log of the repository. -X: +2011-05-29: - Optimized smooth lighting - A number of small fixes - Added clouds and simple skyboxes diff --git a/src/player.cpp b/src/player.cpp index efb2f3447..198eca957 100644 --- a/src/player.cpp +++ b/src/player.cpp @@ -102,7 +102,6 @@ void Player::serialize(std::ostream &os) args.setV3F("position", m_position); args.setBool("craftresult_is_preview", craftresult_is_preview); args.setS32("hp", hp); - args.setU64("privs", privs); args.writeLines(os); diff --git a/src/player.h b/src/player.h index 157a25b5b..a7a2433ce 100644 --- a/src/player.h +++ b/src/player.h @@ -126,9 +126,6 @@ public: u16 hp; - // Player's privileges - a bitmaps of PRIV_xxxx. - u64 privs; - u16 peer_id; protected: diff --git a/src/server.cpp b/src/server.cpp index 4569d028e..56874c46c 100644 --- a/src/server.cpp +++ b/src/server.cpp @@ -2083,7 +2083,7 @@ void Server::ProcessData(u8 *data, u32 datasize, u16 peer_id) if(datasize < 13) return; - if((player->privs & PRIV_BUILD) == 0) + if((getPlayerPrivs(player) & PRIV_BUILD) == 0) return; /* @@ -2167,7 +2167,7 @@ void Server::ProcessData(u8 *data, u32 datasize, u16 peer_id) if(datasize < 7) return; - if((player->privs & PRIV_BUILD) == 0) + if((getPlayerPrivs(player) & PRIV_BUILD) == 0) return; /* @@ -2368,8 +2368,13 @@ void Server::ProcessData(u8 *data, u32 datasize, u16 peer_id) } // Make sure the player is allowed to do it - if((player->privs & PRIV_BUILD) == 0) + if((getPlayerPrivs(player) & PRIV_BUILD) == 0) + { + dstream<<"Player "<getName()<<" cannot remove node" + <<" because privileges are "<getName()<<" cannot add node" + <<" because privileges are "<privs & PRIV_BUILD) ==0) + || no_enough_privs) { // Client probably has wrong data. // Set block not sent, so that client will get @@ -2715,7 +2727,7 @@ void Server::ProcessData(u8 *data, u32 datasize, u16 peer_id) #endif else if(command == TOSERVER_SIGNTEXT) { - if((player->privs & PRIV_BUILD) == 0) + if((getPlayerPrivs(player) & PRIV_BUILD) == 0) return; /* u16 command @@ -2774,7 +2786,7 @@ void Server::ProcessData(u8 *data, u32 datasize, u16 peer_id) } else if(command == TOSERVER_SIGNNODETEXT) { - if((player->privs & PRIV_BUILD) == 0) + if((getPlayerPrivs(player) & PRIV_BUILD) == 0) return; /* u16 command @@ -2952,9 +2964,7 @@ void Server::ProcessData(u8 *data, u32 datasize, u16 peer_id) // Local player gets all privileges regardless of // what's set on their account. - u64 privs = player->privs; - if(g_settings.get("name") == player->getName()) - privs = PRIV_ALL; + u64 privs = getPlayerPrivs(player); // Parse commands std::wstring commandprefix = L"/#"; @@ -4288,9 +4298,6 @@ Player *Server::emergePlayer(const char *name, const char *password, u16 peer_id m_authmanager.setPrivs(name, stringToPrivs(g_settings.get("default_privs"))); - if(g_settings.exists("default_privs")) - player->privs = g_settings.getU64("default_privs"); - /* Set player position */ @@ -4503,6 +4510,23 @@ void Server::handlePeerChanges() } } +u64 Server::getPlayerPrivs(Player *player) +{ + if(player==NULL) + return 0; + std::string playername = player->getName(); + // Local player gets all privileges regardless of + // what's set on their account. + if(g_settings.get("name") == playername) + { + return PRIV_ALL; + } + else + { + return getPlayerAuthPrivs(playername); + } +} + void dedicated_server_loop(Server &server, bool &kill) { DSTACK(__FUNCTION_NAME); diff --git a/src/server.h b/src/server.h index a6da801be..7b73e476c 100644 --- a/src/server.h +++ b/src/server.h @@ -424,7 +424,29 @@ public: // Envlock and conlock should be locked when calling this void SendMovePlayer(Player *player); + + u64 getPlayerAuthPrivs(const std::string &name) + { + try{ + return m_authmanager.getPrivs(name); + } + catch(AuthNotFoundException &e) + { + dstream<<"WARNING: Auth not found for "<player->privs)); + os<server->getPlayerAuthPrivs(ctx->player->getName()))); return; } @@ -52,7 +53,7 @@ void cmd_privs(std::wostringstream &os, return; } - os<privs)); + os<server->getPlayerAuthPrivs(tp->getName()))); } void cmd_grantrevoke(std::wostringstream &os, @@ -83,14 +84,19 @@ void cmd_grantrevoke(std::wostringstream &os, os<parms[1]); + u64 privs = ctx->server->getPlayerAuthPrivs(playername); if(ctx->parms[0] == L"grant") - tp->privs |= newprivs; + privs |= newprivs; else - tp->privs &= ~newprivs; + privs &= ~newprivs; + + ctx->server->setPlayerAuthPrivs(playername, privs); os<privs)); + os< Date: Tue, 31 May 2011 00:15:43 +0300 Subject: Reduced the CPU usage of the sent block selector algorithm --- minetest.conf.example | 11 +-- src/defaultsettings.cpp | 3 +- src/game.cpp | 19 +++++ src/main.cpp | 33 ++++++++- src/main.h | 4 ++ src/map.cpp | 6 +- src/mapblock.cpp | 4 +- src/profiler.h | 131 ++++++++++++++++++++++++++++++++++ src/server.cpp | 185 +++++++++++++++++++++++++++++++++++++----------- src/server.h | 11 +++ src/utility.h | 3 + 11 files changed, 355 insertions(+), 55 deletions(-) create mode 100644 src/profiler.h (limited to 'src/server.h') diff --git a/minetest.conf.example b/minetest.conf.example index 1a1dbe0fc..743186853 100644 --- a/minetest.conf.example +++ b/minetest.conf.example @@ -92,10 +92,6 @@ # Server side stuff # -# Set to true to enable experimental features -# (varies from version to version, see wiki) -#enable_experimental = false - # Map directory (everything in the world is stored here) #map-dir = /home/palle/custom_map @@ -112,6 +108,13 @@ # Gives some stuff to players at the beginning #give_initial_stuff = false +# Set to true to enable experimental features +# (varies from version to version, see wiki) +#enable_experimental = false + +# Profiler data print interval. 0 = disable. +#profiler_print_interval = 10 + # Player and object positions are sent at intervals specified by this #objectdata_inverval = 0.2 diff --git a/src/defaultsettings.cpp b/src/defaultsettings.cpp index 6fcdc1dbb..73f22a7f7 100644 --- a/src/defaultsettings.cpp +++ b/src/defaultsettings.cpp @@ -74,12 +74,13 @@ void set_default_settings() g_settings.setDefault("give_initial_stuff", "false"); g_settings.setDefault("default_password", ""); g_settings.setDefault("default_privs", "build, shout"); + g_settings.setDefault("profiler_print_interval", "0"); g_settings.setDefault("objectdata_interval", "0.2"); g_settings.setDefault("active_object_range", "2"); g_settings.setDefault("max_simultaneous_block_sends_per_client", "1"); //g_settings.setDefault("max_simultaneous_block_sends_per_client", "2"); - g_settings.setDefault("max_simultaneous_block_sends_server_total", "4"); + g_settings.setDefault("max_simultaneous_block_sends_server_total", "8"); g_settings.setDefault("max_block_send_distance", "8"); g_settings.setDefault("max_block_generate_distance", "8"); g_settings.setDefault("time_send_interval", "20"); diff --git a/src/game.cpp b/src/game.cpp index 6932b45f1..e8e6cb71f 100644 --- a/src/game.cpp +++ b/src/game.cpp @@ -903,6 +903,10 @@ void the_game( bool first_loop_after_window_activation = true; + // TODO: Convert the static interval timers to these + // Interval limiter for profiler + IntervalLimiter m_profiler_interval; + // Time is in milliseconds // NOTE: getRealTime() causes strange problems in wine (imprecision?) // NOTE: So we have to use getTime() and call run()s between them @@ -1089,6 +1093,21 @@ void the_game( } } + /* + Profiler + */ + float profiler_print_interval = + g_settings.getFloat("profiler_print_interval"); + if(profiler_print_interval != 0) + { + if(m_profiler_interval.step(0.030, profiler_print_interval)) + { + dstream<<"Profiler:"< diff --git a/src/map.cpp b/src/map.cpp index a49de3c46..f9809e9fd 100644 --- a/src/map.cpp +++ b/src/map.cpp @@ -5692,9 +5692,9 @@ void ClientMap::renderMap(video::IVideoDriver* driver, s32 pass) p_nodes_min.Y / MAP_BLOCKSIZE - 1, p_nodes_min.Z / MAP_BLOCKSIZE - 1); v3s16 p_blocks_max( - p_nodes_max.X / MAP_BLOCKSIZE + 1, - p_nodes_max.Y / MAP_BLOCKSIZE + 1, - p_nodes_max.Z / MAP_BLOCKSIZE + 1); + p_nodes_max.X / MAP_BLOCKSIZE, + p_nodes_max.Y / MAP_BLOCKSIZE, + p_nodes_max.Z / MAP_BLOCKSIZE); u32 vertex_count = 0; diff --git a/src/mapblock.cpp b/src/mapblock.cpp index c448ef236..b2f972dde 100644 --- a/src/mapblock.cpp +++ b/src/mapblock.cpp @@ -540,10 +540,10 @@ void updateFastFaceRow( v3s16 p_next; - bool next_makes_face; + bool next_makes_face = false; v3s16 next_p_corrected; v3s16 next_face_dir_corrected; - u8 next_lights[4]; + u8 next_lights[4] = {0,0,0,0}; TileSpec next_tile; // If at last position, there is nothing to compare to and diff --git a/src/profiler.h b/src/profiler.h new file mode 100644 index 000000000..a30e34a7c --- /dev/null +++ b/src/profiler.h @@ -0,0 +1,131 @@ +/* +Minetest-c55 +Copyright (C) 2011 celeron55, Perttu Ahola + +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 +(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. + +You should have received a copy of the GNU 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. +*/ + +#ifndef PROFILER_HEADER +#define PROFILER_HEADER + +#include "common_irrlicht.h" +#include +#include "utility.h" +#include +#include + +/* + Time profiler +*/ + +class Profiler +{ +public: + Profiler() + { + m_mutex.Init(); + } + + void add(const std::string &name, u32 duration) + { + JMutexAutoLock lock(m_mutex); + core::map::Node *n = m_data.find(name); + if(n == NULL) + { + m_data[name] = duration; + } + else + { + n->setValue(n->getValue()+duration); + } + } + + void clear() + { + JMutexAutoLock lock(m_mutex); + for(core::map::Iterator + i = m_data.getIterator(); + i.atEnd() == false; i++) + { + i.getNode()->setValue(0); + } + } + + void print(std::ostream &o) + { + JMutexAutoLock lock(m_mutex); + for(core::map::Iterator + i = m_data.getIterator(); + i.atEnd() == false; i++) + { + std::string name = i.getNode()->getKey(); + o<getValue(); + o< m_data; +}; + +class ScopeProfiler +{ +public: + ScopeProfiler(Profiler *profiler, const std::string &name): + m_profiler(profiler), + m_name(name), + m_timer(NULL) + { + if(m_profiler) + m_timer = new TimeTaker(m_name.c_str()); + } + // name is copied + ScopeProfiler(Profiler *profiler, const char *name): + m_profiler(profiler), + m_name(name), + m_timer(NULL) + { + if(m_profiler) + m_timer = new TimeTaker(m_name.c_str()); + } + ~ScopeProfiler() + { + if(m_timer) + { + u32 duration = m_timer->stop(true); + if(m_profiler) + m_profiler->add(m_name, duration); + delete m_timer; + } + } +private: + Profiler *m_profiler; + std::string m_name; + TimeTaker *m_timer; +}; + +#endif + diff --git a/src/server.cpp b/src/server.cpp index 56874c46c..6f1f1e6e8 100644 --- a/src/server.cpp +++ b/src/server.cpp @@ -312,11 +312,14 @@ void RemoteClient::GetNextBlocks(Server *server, float dtime, TimeTaker timer("RemoteClient::GetNextBlocks", &timer_result);*/ // Increment timers - m_nearest_unsent_reset_timer += dtime; m_nothing_to_send_pause_timer -= dtime; if(m_nothing_to_send_pause_timer >= 0) + { + // Keep this reset + m_nearest_unsent_reset_timer = 0; return; + } // Won't send anything if already sending if(m_blocks_sending.size() >= g_settings.getU16 @@ -326,14 +329,21 @@ void RemoteClient::GetNextBlocks(Server *server, float dtime, return; } + //TimeTaker timer("RemoteClient::GetNextBlocks"); + Player *player = server->m_env.getPlayer(peer_id); assert(player != NULL); v3f playerpos = player->getPosition(); v3f playerspeed = player->getSpeed(); + v3f playerspeeddir(0,0,0); + if(playerspeed.getLength() > 1.0*BS) + playerspeeddir = playerspeed / playerspeed.getLength(); + // Predict to next block + v3f playerpos_predicted = playerpos + playerspeeddir*MAP_BLOCKSIZE*BS; - v3s16 center_nodepos = floatToInt(playerpos, BS); + v3s16 center_nodepos = floatToInt(playerpos_predicted, BS); v3s16 center = getNodeBlockPos(center_nodepos); @@ -344,6 +354,9 @@ void RemoteClient::GetNextBlocks(Server *server, float dtime, camera_dir.rotateYZBy(player->getPitch()); camera_dir.rotateXZBy(player->getYaw()); + /*dstream<<"camera_dir=("<getPlayerName(peer_id)< d_start+1) + d_max = d_start+1; + /*if(d_max_gen > d_start+2) + d_max_gen = d_start+2;*/ + //dstream<<"Starting from "<= 3) + if((s16)m_nothing_to_send_counter >= + g_settings.getS16("max_block_send_distance")) { // Pause time in seconds - m_nothing_to_send_pause_timer = 2.0; + m_nothing_to_send_pause_timer = 1.0; + dstream<<"nothing to send to " + <getPlayerName(peer_id) + <<" (d="< modified_blocks; m_env.getMap().transformLiquids(modified_blocks); #if 0 @@ -1298,10 +1360,11 @@ void Server::AsyncRunStep() */ { //dstream<<"Server: Checking added and deleted active objects"<* > buffered_messages; @@ -1598,6 +1663,9 @@ void Server::AsyncRunStep() { JMutexAutoLock lock1(m_env_mutex); JMutexAutoLock lock2(m_con_mutex); + + ScopeProfiler sp(&g_profiler, "Server: sending mbo positions"); + SendObjectData(counter); counter = 0.0; @@ -1612,7 +1680,9 @@ void Server::AsyncRunStep() JMutexAutoLock envlock(m_env_mutex); JMutexAutoLock conlock(m_con_mutex); - + + ScopeProfiler sp(&g_profiler, "Server: stepping node metadata"); + core::map changed_blocks; m_env.getMap().nodeMetadataStep(dtime, changed_blocks); @@ -1655,6 +1725,8 @@ void Server::AsyncRunStep() { counter = 0.0; + ScopeProfiler sp(&g_profiler, "Server: saving stuff"); + // Auth stuff m_authmanager.save(); @@ -3646,20 +3718,24 @@ void Server::SendBlocks(float dtime) core::array queue; s32 total_sending = 0; - - for(core::map::Iterator - i = m_clients.getIterator(); - i.atEnd() == false; i++) + { - RemoteClient *client = i.getNode()->getValue(); - assert(client->peer_id == i.getNode()->getKey()); + ScopeProfiler sp(&g_profiler, "Server: selecting blocks for sending"); - total_sending += client->SendingCount(); - - if(client->serialization_version == SER_FMT_VER_INVALID) - continue; - - client->GetNextBlocks(this, dtime, queue); + for(core::map::Iterator + i = m_clients.getIterator(); + i.atEnd() == false; i++) + { + RemoteClient *client = i.getNode()->getValue(); + assert(client->peer_id == i.getNode()->getKey()); + + total_sending += client->SendingCount(); + + if(client->serialization_version == SER_FMT_VER_INVALID) + continue; + + client->GetNextBlocks(this, dtime, queue); + } } // Sort. @@ -4531,25 +4607,48 @@ void dedicated_server_loop(Server &server, bool &kill) { DSTACK(__FUNCTION_NAME); - std::cout<PrintLine(&std::cout); + i->PrintLine(&dstream); } } sum_old = sum; diff --git a/src/server.h b/src/server.h index 7b73e476c..6bee10685 100644 --- a/src/server.h +++ b/src/server.h @@ -500,6 +500,15 @@ private: // When called, connection mutex should be locked RemoteClient* getClient(u16 peer_id); + // When called, environment mutex should be locked + std::string getPlayerName(u16 peer_id) + { + Player *player = m_env.getPlayer(peer_id); + if(player == NULL) + return "[id="+itos(peer_id); + return player->getName(); + } + /* Get a player from memory or creates one. If player is already connected, return NULL @@ -627,6 +636,8 @@ private: */ u16 m_ignore_map_edit_events_peer_id; + Profiler *m_profiler; + friend class EmergeThread; friend class RemoteClient; }; diff --git a/src/utility.h b/src/utility.h index f18d31278..534aea483 100644 --- a/src/utility.h +++ b/src/utility.h @@ -244,6 +244,9 @@ inline f32 readF1000(std::istream &is) { char buf[2]; is.read(buf, 2); + // TODO: verify if this gets rid of the valgrind warning + //if(is.gcount() != 2) + // return 0; return readF1000((u8*)buf); } -- cgit v1.2.3 From bbead93c1a00a1c31956e12c94717f179ac5b84b Mon Sep 17 00:00:00 2001 From: Perttu Ahola Date: Tue, 31 May 2011 20:02:55 +0300 Subject: Reduced server CPU usage on NodeMetadata step()s. Also furnace now cooks while no players are near it. --- src/environment.cpp | 52 ++++++++++++++++- src/environment.h | 1 + src/main.cpp | 3 +- src/map.h | 6 ++ src/nodemetadata.cpp | 155 +++++++++++++++++++++++++++------------------------ src/server.cpp | 22 +++++++- src/server.h | 4 +- 7 files changed, 163 insertions(+), 80 deletions(-) (limited to 'src/server.h') diff --git a/src/environment.cpp b/src/environment.cpp index 36c754d57..f5f20d0e5 100644 --- a/src/environment.cpp +++ b/src/environment.cpp @@ -729,6 +729,16 @@ void ServerEnvironment::step(float dtime) // 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 = p; + m_map->dispatchEvent(&event); + } + // TODO: Do something // TODO: Implement usage of ActiveBlockModifier @@ -762,8 +772,10 @@ void ServerEnvironment::step(float dtime) /* Mess around in active blocks */ - if(m_active_blocks_test_interval.step(dtime, 10.0)) + if(m_active_blocks_nodemetadata_interval.step(dtime, 1.0)) { + float dtime = 1.0; + for(core::map::Iterator i = m_active_blocks.m_list.getIterator(); i.atEnd()==false; i++) @@ -779,7 +791,38 @@ void ServerEnvironment::step(float dtime) // Set current time as timestamp block->setTimestamp(m_game_time); + + // Run node metadata + bool changed = block->m_node_metadata.step(dtime); + if(changed) + { + MapEditEvent event; + event.type = MEET_BLOCK_NODE_METADATA_CHANGED; + event.p = p; + m_map->dispatchEvent(&event); + } + } + } + if(m_active_blocks_test_interval.step(dtime, 10.0)) + { + //float dtime = 10.0; + + for(core::map::Iterator + i = m_active_blocks.m_list.getIterator(); + i.atEnd()==false; i++) + { + v3s16 p = i.getNode()->getKey(); + /*dstream<<"Server: Block ("<getBlockNoCreateNoEx(p); + if(block==NULL) + continue; + + // Set current time as timestamp + block->setTimestamp(m_game_time); + /* Do stuff! @@ -801,8 +844,11 @@ void ServerEnvironment::step(float dtime) { v3s16 p = p0 + block->getPosRelative(); MapNode n = block->getNodeNoEx(p0); - // Test something: - // Convert mud under proper lighting to grass + + /* + Test something: + Convert mud under proper lighting to grass + */ if(n.d == CONTENT_MUD) { if(myrand()%20 == 0) diff --git a/src/environment.h b/src/environment.h index f5cce5933..b4f2a64ca 100644 --- a/src/environment.h +++ b/src/environment.h @@ -246,6 +246,7 @@ private: ActiveBlockList m_active_blocks; IntervalLimiter m_active_blocks_management_interval; IntervalLimiter m_active_blocks_test_interval; + IntervalLimiter m_active_blocks_nodemetadata_interval; // Time from the beginning of the game in seconds. // Incremented in step(). u32 m_game_time; diff --git a/src/main.cpp b/src/main.cpp index a739d71bf..e582569c5 100644 --- a/src/main.cpp +++ b/src/main.cpp @@ -312,7 +312,8 @@ Stuff to do before release: Fixes to the current release: ----------------------------- -- Make AuthManager to save only when data has changed +- Fix client password crash +- Remember to release the fixes (some are already done) Stuff to do after release: --------------------------- diff --git a/src/map.h b/src/map.h index 09154547c..6f7ac0d3b 100644 --- a/src/map.h +++ b/src/map.h @@ -46,8 +46,14 @@ with this program; if not, write to the Free Software Foundation, Inc., #define MAPTYPE_CLIENT 2 enum MapEditEventType{ + // Node added (changed from air or something else to something) MEET_ADDNODE, + // Node removed (changed to air) MEET_REMOVENODE, + // Node metadata of block changed (not knowing which node exactly) + // p stores block coordinate + MEET_BLOCK_NODE_METADATA_CHANGED, + // Anything else MEET_OTHER }; diff --git a/src/nodemetadata.cpp b/src/nodemetadata.cpp index 308a33854..f9468e4fa 100644 --- a/src/nodemetadata.cpp +++ b/src/nodemetadata.cpp @@ -268,91 +268,100 @@ void FurnaceNodeMetadata::inventoryModified() } bool FurnaceNodeMetadata::step(float dtime) { + if(dtime > 60.0) + dstream<<"Furnace stepping a long time ("<getList("src"); - assert(src_list); - InventoryItem *src_item = src_list->getItem(0); - - // Start only if there are free slots in dst, so that it can - // accomodate any result item - if(dst_list->getFreeSlots() > 0 && src_item && src_item->isCookable()) - { - m_src_totaltime = 3; - } - else + bool changed = false; + while(m_step_accumulator > interval) { - m_src_time = 0; - m_src_totaltime = 0; - } + m_step_accumulator -= interval; + dtime = interval; - if(m_fuel_time < m_fuel_totaltime) - { - //dstream<<"Furnace is active"<= m_src_totaltime && m_src_totaltime > 0.001 - && src_item) + //dstream<<"Furnace step dtime="<getList("dst"); + assert(dst_list); + + InventoryList *src_list = m_inventory->getList("src"); + assert(src_list); + InventoryItem *src_item = src_list->getItem(0); + + // Start only if there are free slots in dst, so that it can + // accomodate any result item + if(dst_list->getFreeSlots() > 0 && src_item && src_item->isCookable()) + { + m_src_totaltime = 3; + } + else { - InventoryItem *cookresult = src_item->createCookResult(); - dst_list->addItem(cookresult); - src_list->decrementMaterials(1); m_src_time = 0; m_src_totaltime = 0; } - return true; - } - - if(src_item == NULL || m_src_totaltime < 0.001) - { - return false; - } - - bool changed = false; - //dstream<<"Furnace is out of fuel"<= m_src_totaltime && m_src_totaltime > 0.001 + && src_item) + { + InventoryItem *cookresult = src_item->createCookResult(); + dst_list->addItem(cookresult); + src_list->decrementMaterials(1); + m_src_time = 0; + m_src_totaltime = 0; + } + changed = true; + continue; + } + + if(src_item == NULL || m_src_totaltime < 0.001) + { + continue; + } + + //dstream<<"Furnace is out of fuel"<getList("fuel"); - assert(fuel_list); - InventoryItem *fuel_item = fuel_list->getItem(0); + InventoryList *fuel_list = m_inventory->getList("fuel"); + assert(fuel_list); + InventoryItem *fuel_item = fuel_list->getItem(0); - if(ItemSpec(ITEM_MATERIAL, CONTENT_TREE).checkItem(fuel_item)) - { - m_fuel_totaltime = 10; - m_fuel_time = 0; - fuel_list->decrementMaterials(1); - changed = true; - } - else if(ItemSpec(ITEM_MATERIAL, CONTENT_WOOD).checkItem(fuel_item)) - { - m_fuel_totaltime = 5; - m_fuel_time = 0; - fuel_list->decrementMaterials(1); - changed = true; - } - else if(ItemSpec(ITEM_CRAFT, "lump_of_coal").checkItem(fuel_item)) - { - m_fuel_totaltime = 10; - m_fuel_time = 0; - fuel_list->decrementMaterials(1); - changed = true; - } - else - { - //dstream<<"No fuel found"<decrementMaterials(1); + changed = true; + } + else if(ItemSpec(ITEM_MATERIAL, CONTENT_WOOD).checkItem(fuel_item)) + { + m_fuel_totaltime = 30/4; + m_fuel_time = 0; + fuel_list->decrementMaterials(1); + changed = true; + } + else if(ItemSpec(ITEM_CRAFT, "Stick").checkItem(fuel_item)) + { + m_fuel_totaltime = 30/4/4; + m_fuel_time = 0; + fuel_list->decrementMaterials(1); + changed = true; + } + else if(ItemSpec(ITEM_CRAFT, "lump_of_coal").checkItem(fuel_item)) + { + m_fuel_totaltime = 40; + m_fuel_time = 0; + fuel_list->decrementMaterials(1); + changed = true; + } + else + { + //dstream<<"No fuel found"<p, event->already_known_by_peer); } + else if(event->type == MEET_BLOCK_NODE_METADATA_CHANGED) + { + dstream<<"Server: MEET_BLOCK_NODE_METADATA_CHANGED"<p); + } else if(event->type == MEET_OTHER) { dstream<<"WARNING: Server: MEET_OTHER not implemented" @@ -1676,7 +1681,7 @@ void Server::AsyncRunStep() Step node metadata TODO: Move to ServerEnvironment and utilize active block stuff */ - { + /*{ //TimeTaker timer("Step node metadata"); JMutexAutoLock envlock(m_env_mutex); @@ -1686,6 +1691,8 @@ void Server::AsyncRunStep() core::map changed_blocks; m_env.getMap().nodeMetadataStep(dtime, changed_blocks); + + // Use setBlockNotSent for(core::map::Iterator i = changed_blocks.getIterator(); @@ -1701,7 +1708,7 @@ void Server::AsyncRunStep() client->SetBlockNotSent(block->getPos()); } } - } + }*/ /* Trigger emergethread (it somehow gets to a non-triggered but @@ -3655,6 +3662,17 @@ void Server::sendAddNode(v3s16 p, MapNode n, u16 ignore_id, } } +void Server::setBlockNotSent(v3s16 p) +{ + for(core::map::Iterator + i = m_clients.getIterator(); + i.atEnd()==false; i++) + { + RemoteClient *client = i.getNode()->getValue(); + client->SetBlockNotSent(p); + } +} + void Server::SendBlockNoLock(u16 peer_id, MapBlock *block, u8 ver) { DSTACK(__FUNCTION_NAME); diff --git a/src/server.h b/src/server.h index 6bee10685..791ecdec7 100644 --- a/src/server.h +++ b/src/server.h @@ -480,15 +480,17 @@ private: Additionally, if far_players!=NULL, players further away than far_d_nodes are ignored and their peer_ids are added to far_players */ + // Envlock and conlock should be locked when calling these void sendRemoveNode(v3s16 p, u16 ignore_id=0, core::list *far_players=NULL, float far_d_nodes=100); void sendAddNode(v3s16 p, MapNode n, u16 ignore_id=0, core::list *far_players=NULL, float far_d_nodes=100); + void setBlockNotSent(v3s16 p); // Environment and Connection must be locked when called void SendBlockNoLock(u16 peer_id, MapBlock *block, u8 ver); - // Sends blocks to clients + // Sends blocks to clients (locks env and con on its own) void SendBlocks(float dtime); /* -- cgit v1.2.3 From f2c26e20147cf586b5b4ffa761303b670689ab40 Mon Sep 17 00:00:00 2001 From: Perttu Ahola Date: Sat, 25 Jun 2011 18:12:41 +0300 Subject: moved map generator to separate source files --- src/CMakeLists.txt | 1 + src/farmesh.cpp | 17 +- src/map.cpp | 1905 +-------------------------------------------------- src/mapgen.cpp | 1936 ++++++++++++++++++++++++++++++++++++++++++++++++++++ src/mapgen.h | 51 ++ src/server.cpp | 8 +- src/server.h | 4 - 7 files changed, 2002 insertions(+), 1920 deletions(-) create mode 100644 src/mapgen.cpp create mode 100644 src/mapgen.h (limited to 'src/server.h') diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt index 42c93c9e5..73a960ecc 100644 --- a/src/CMakeLists.txt +++ b/src/CMakeLists.txt @@ -61,6 +61,7 @@ configure_file( ) set(common_SRCS + mapgen.cpp content_inventory.cpp content_nodemeta.cpp content_craft.cpp diff --git a/src/farmesh.cpp b/src/farmesh.cpp index dbff728b1..72dbe11c2 100644 --- a/src/farmesh.cpp +++ b/src/farmesh.cpp @@ -29,16 +29,7 @@ with this program; if not, write to the Free Software Foundation, Inc., #include "map.h" #include "client.h" -/* - Temporarily exposed map generator stuff - Should only be used for testing -*/ -//extern double base_rock_level_2d(u64 seed, v2s16 p); -//extern double get_mud_add_amount(u64 seed, v2s16 p); -extern s16 find_ground_level_from_noise(u64 seed, v2s16 p2d, s16 precision); -extern bool get_have_sand(u64 seed, v2s16 p2d); -extern double tree_amount_2d(u64 seed, v2s16 p); - +#include "mapgen.h" FarMesh::FarMesh( scene::ISceneNode* parent, @@ -127,14 +118,14 @@ HeightPoint ground_height(u64 seed, v2s16 p2d) if(n) return n->getValue(); HeightPoint hp; - s16 level = find_ground_level_from_noise(seed, p2d, 3); + s16 level = mapgen::find_ground_level_from_noise(seed, p2d, 3); hp.gh = (level-4)*BS; hp.ma = (4)*BS; /*hp.gh = BS*base_rock_level_2d(seed, p2d); hp.ma = BS*get_mud_add_amount(seed, p2d);*/ - hp.have_sand = get_have_sand(seed, p2d); + hp.have_sand = mapgen::get_have_sand(seed, p2d); if(hp.gh > BS*WATER_LEVEL) - hp.tree_amount = tree_amount_2d(seed, p2d); + hp.tree_amount = mapgen::tree_amount_2d(seed, p2d); else hp.tree_amount = 0; // No mud has been added if mud amount is less than 1 diff --git a/src/map.cpp b/src/map.cpp index cb0967c35..3b775d799 100644 --- a/src/map.cpp +++ b/src/map.cpp @@ -29,6 +29,7 @@ with this program; if not, write to the Free Software Foundation, Inc., #include "noise.h" #include "serverobject.h" #include "content_mapnode.h" +#include "mapgen.h" extern "C" { #include "sqlite3.h" @@ -1968,1894 +1969,6 @@ ServerMap::~ServerMap() #endif } -/* - Some helper functions for the map generator -*/ - -s16 find_ground_level(VoxelManipulator &vmanip, v2s16 p2d) -{ - v3s16 em = vmanip.m_area.getExtent(); - s16 y_nodes_max = vmanip.m_area.MaxEdge.Y; - s16 y_nodes_min = vmanip.m_area.MinEdge.Y; - u32 i = vmanip.m_area.index(v3s16(p2d.X, y_nodes_max, p2d.Y)); - s16 y; - for(y=y_nodes_max; y>=y_nodes_min; y--) - { - MapNode &n = vmanip.m_data[i]; - if(content_walkable(n.d)) - break; - - vmanip.m_area.add_y(em, i, -1); - } - if(y >= y_nodes_min) - return y; - else - return y_nodes_min; -} - -s16 find_ground_level_clever(VoxelManipulator &vmanip, v2s16 p2d) -{ - v3s16 em = vmanip.m_area.getExtent(); - s16 y_nodes_max = vmanip.m_area.MaxEdge.Y; - s16 y_nodes_min = vmanip.m_area.MinEdge.Y; - u32 i = vmanip.m_area.index(v3s16(p2d.X, y_nodes_max, p2d.Y)); - s16 y; - for(y=y_nodes_max; y>=y_nodes_min; y--) - { - MapNode &n = vmanip.m_data[i]; - if(content_walkable(n.d) - && n.d != CONTENT_TREE - && n.d != CONTENT_LEAVES) - break; - - vmanip.m_area.add_y(em, i, -1); - } - if(y >= y_nodes_min) - return y; - else - return y_nodes_min; -} - -void make_tree(VoxelManipulator &vmanip, v3s16 p0) -{ - MapNode treenode(CONTENT_TREE); - MapNode leavesnode(CONTENT_LEAVES); - - s16 trunk_h = myrand_range(3, 6); - v3s16 p1 = p0; - for(s16 ii=0; ii leaves_d(new u8[leaves_a.getVolume()]); - Buffer leaves_d(leaves_a.getVolume()); - for(s32 i=0; i stone_d(stone_a.getVolume()); - for(s32 i=0; i 0.0) - { - u32 vi = stone_a.index(v3s16(x,y,z)); - stone_d[vi] = 1; - } - } - - /*// Add stone randomly - for(u32 iii=0; iii<7; iii++) - { - s16 d = 1; - - v3s16 p( - myrand_range(stone_a.MinEdge.X, stone_a.MaxEdge.X-d), - myrand_range(stone_a.MinEdge.Y, stone_a.MaxEdge.Y-d), - myrand_range(stone_a.MinEdge.Z, stone_a.MaxEdge.Z-d) - ); - - for(s16 z=0; z<=d; z++) - for(s16 y=0; y<=d; y++) - for(s16 x=0; x<=d; x++) - { - stone_d[stone_a.index(p+v3s16(x,y,z))] = 1; - } - }*/ - - // Blit stone to vmanip - for(s16 z=stone_a.MinEdge.Z; z<=stone_a.MaxEdge.Z; z++) - for(s16 y=stone_a.MinEdge.Y; y<=stone_a.MaxEdge.Y; y++) - for(s16 x=stone_a.MinEdge.X; x<=stone_a.MaxEdge.X; x++) - { - v3s16 p(x,y,z); - p += p0; - if(vmanip.m_area.contains(p) == false) - continue; - u32 vi = vmanip.m_area.index(p); - if(vmanip.m_data[vi].d != CONTENT_AIR - && vmanip.m_data[vi].d != CONTENT_IGNORE) - continue; - u32 i = stone_a.index(x,y,z); - if(stone_d[i] == 1) - vmanip.m_data[vi] = stonenode; - } -} -#endif - -#if 0 -void make_largestone(VoxelManipulator &vmanip, v3s16 p0) -{ - MapNode stonenode(CONTENT_STONE); - - s16 size = myrand_range(8, 16); - - VoxelArea stone_a(v3s16(-size/2,0,-size/2), v3s16(size/2,size,size/2)); - Buffer stone_d(stone_a.getVolume()); - for(s32 i=0; i 1.0) - { - u32 vi = stone_a.index(v3s16(x,y,z)); - stone_d[vi] = 1; - } - } - - /*// Add stone randomly - for(u32 iii=0; iii<7; iii++) - { - s16 d = 1; - - v3s16 p( - myrand_range(stone_a.MinEdge.X, stone_a.MaxEdge.X-d), - myrand_range(stone_a.MinEdge.Y, stone_a.MaxEdge.Y-d), - myrand_range(stone_a.MinEdge.Z, stone_a.MaxEdge.Z-d) - ); - - for(s16 z=0; z<=d; z++) - for(s16 y=0; y<=d; y++) - for(s16 x=0; x<=d; x++) - { - stone_d[stone_a.index(p+v3s16(x,y,z))] = 1; - } - }*/ - - // Blit stone to vmanip - for(s16 z=stone_a.MinEdge.Z; z<=stone_a.MaxEdge.Z; z++) - for(s16 y=stone_a.MinEdge.Y; y<=stone_a.MaxEdge.Y; y++) - for(s16 x=stone_a.MinEdge.X; x<=stone_a.MaxEdge.X; x++) - { - v3s16 p(x,y,z); - p += p0; - if(vmanip.m_area.contains(p) == false) - continue; - u32 vi = vmanip.m_area.index(p); - /*if(vmanip.m_data[vi].d != CONTENT_AIR - && vmanip.m_data[vi].d != CONTENT_IGNORE) - continue;*/ - u32 i = stone_a.index(x,y,z); - if(stone_d[i] == 1) - vmanip.m_data[vi] = stonenode; - } -} -#endif - -/* - Dungeon making routines -*/ - -#define VMANIP_FLAG_DUNGEON_INSIDE VOXELFLAG_CHECKED1 -#define VMANIP_FLAG_DUNGEON_PRESERVE VOXELFLAG_CHECKED2 -#define VMANIP_FLAG_DUNGEON_UNTOUCHABLE (\ - VMANIP_FLAG_DUNGEON_INSIDE|VMANIP_FLAG_DUNGEON_PRESERVE) - -void make_room1(VoxelManipulator &vmanip, v3s16 roomsize, v3s16 roomplace) -{ - // Make +-X walls - for(s16 z=0; z= 3) - make_stairs = random.next()%2 ? 1 : -1; - for(u32 i=0; i= partlength) - { - partcount = 0; - - dir = random_turn(random, dir); - - partlength = random.range(1,length); - - make_stairs = 0; - if(random.next()%2 == 0 && partlength >= 3) - make_stairs = random.next()%2 ? 1 : -1; - } - } - result_place = p0; - result_dir = dir; -} - -class RoomWalker -{ -public: - - RoomWalker(VoxelManipulator &vmanip_, v3s16 pos, PseudoRandom &random): - vmanip(vmanip_), - m_pos(pos), - m_random(random) - { - randomizeDir(); - } - - void randomizeDir() - { - m_dir = rand_ortho_dir(m_random); - } - - void setPos(v3s16 pos) - { - m_pos = pos; - } - - void setDir(v3s16 dir) - { - m_dir = dir; - } - - bool findPlaceForDoor(v3s16 &result_place, v3s16 &result_dir) - { - for(u32 i=0; i<100; i++) - { - v3s16 p = m_pos + m_dir; - v3s16 p1 = p + v3s16(0,1,0); - if(vmanip.m_area.contains(p) == false - || vmanip.m_area.contains(p1) == false - || i % 4 == 0) - { - randomizeDir(); - continue; - } - if(vmanip.getNodeNoExNoEmerge(p).d - == CONTENT_COBBLE - && vmanip.getNodeNoExNoEmerge(p1).d - == CONTENT_COBBLE) - { - // Found wall, this is a good place! - result_place = p; - result_dir = m_dir; - // Randomize next direction - randomizeDir(); - return true; - } - /* - Determine where to move next - */ - // Jump one up if the actual space is there - if(vmanip.getNodeNoExNoEmerge(p+v3s16(0,0,0)).d - == CONTENT_COBBLE - && vmanip.getNodeNoExNoEmerge(p+v3s16(0,1,0)).d - == CONTENT_AIR - && vmanip.getNodeNoExNoEmerge(p+v3s16(0,2,0)).d - == CONTENT_AIR) - p += v3s16(0,1,0); - // Jump one down if the actual space is there - if(vmanip.getNodeNoExNoEmerge(p+v3s16(0,1,0)).d - == CONTENT_COBBLE - && vmanip.getNodeNoExNoEmerge(p+v3s16(0,0,0)).d - == CONTENT_AIR - && vmanip.getNodeNoExNoEmerge(p+v3s16(0,-1,0)).d - == CONTENT_AIR) - p += v3s16(0,-1,0); - // Check if walking is now possible - if(vmanip.getNodeNoExNoEmerge(p).d - != CONTENT_AIR - || vmanip.getNodeNoExNoEmerge(p+v3s16(0,1,0)).d - != CONTENT_AIR) - { - // Cannot continue walking here - randomizeDir(); - continue; - } - // Move there - m_pos = p; - } - return false; - } - - bool findPlaceForRoomDoor(v3s16 roomsize, v3s16 &result_doorplace, - v3s16 &result_doordir, v3s16 &result_roomplace) - { - for(s16 trycount=0; trycount<30; trycount++) - { - v3s16 doorplace; - v3s16 doordir; - bool r = findPlaceForDoor(doorplace, doordir); - if(r == false) - continue; - v3s16 roomplace; - // X east, Z north, Y up - if(doordir == v3s16(1,0,0)) // X+ - roomplace = doorplace + v3s16(0,-1,-roomsize.Z/2+m_random.range(-roomsize.Z/2+1,roomsize.Z/2-1)); - if(doordir == v3s16(-1,0,0)) // X- - roomplace = doorplace + v3s16(-roomsize.X+1,-1,-roomsize.Z/2+m_random.range(-roomsize.Z/2+1,roomsize.Z/2-1)); - if(doordir == v3s16(0,0,1)) // Z+ - roomplace = doorplace + v3s16(-roomsize.X/2+m_random.range(-roomsize.X/2+1,roomsize.X/2-1),-1,0); - if(doordir == v3s16(0,0,-1)) // Z- - roomplace = doorplace + v3s16(-roomsize.X/2+m_random.range(-roomsize.X/2+1,roomsize.X/2-1),-1,-roomsize.Z+1); - - // Check fit - bool fits = true; - for(s16 z=1; z CAVE_NOISE_THRESHOLD; -} - -/* - Ground density noise shall be interpreted by using this. - - TODO: No perlin noises here, they should be outsourced - and buffered -*/ -bool val_is_ground(double ground_noise1_val, v3s16 p, u64 seed) -{ - //return ((double)p.Y < ground_noise1_val); - - double f = 0.8 + noise2d_perlin( - 0.5+(float)p.X/250, 0.5+(float)p.Z/250, - seed+920381, 3, 0.5); - if(f < 0.01) - f = 0.01; - else if(f >= 1.0) - f *= 2.0; - double h = WATER_LEVEL + 10 * noise2d_perlin( - 0.5+(float)p.X/250, 0.5+(float)p.Z/250, - seed+84174, 4, 0.5); - return ((double)p.Y - h < ground_noise1_val * f); -} - -/* - Queries whether a position is ground or not. -*/ -bool is_ground(u64 seed, v3s16 p) -{ - double val1 = noise3d_param(get_ground_noise1_params(seed), p.X,p.Y,p.Z); - return val_is_ground(val1, p, seed); -} - -// Amount of trees per area in nodes -double tree_amount_2d(u64 seed, v2s16 p) -{ - /*double noise = noise2d_perlin( - 0.5+(float)p.X/250, 0.5+(float)p.Y/250, - seed+2, 5, 0.66);*/ - double noise = noise2d_perlin( - 0.5+(float)p.X/125, 0.5+(float)p.Y/125, - seed+2, 4, 0.66); - double zeroval = -0.35; - if(noise < zeroval) - return 0; - else - return 0.04 * (noise-zeroval) / (1.0-zeroval); -} - -#if 0 -double randomstone_amount_2d(u64 seed, v2s16 p) -{ - double noise = noise2d_perlin( - 0.5+(float)p.X/250, 0.5+(float)p.Y/250, - seed+3829434, 5, 0.66); - double zeroval = 0.1; - if(noise < zeroval) - return 0; - else - return 0.01 * (noise-zeroval) / (1.0-zeroval); -} -#endif - -double largestone_amount_2d(u64 seed, v2s16 p) -{ - double noise = noise2d_perlin( - 0.5+(float)p.X/250, 0.5+(float)p.Y/250, - seed+14143242, 5, 0.66); - double zeroval = 0.3; - if(noise < zeroval) - return 0; - else - return 0.005 * (noise-zeroval) / (1.0-zeroval); -} - -/* - Incrementally find ground level from 3d noise -*/ -s16 find_ground_level_from_noise(u64 seed, v2s16 p2d, s16 precision) -{ - // Start a bit fuzzy to make averaging lower precision values - // more useful - s16 level = myrand_range(-precision/2, precision/2); - s16 dec[] = {31000, 100, 20, 4, 1, 0}; - s16 i; - for(i = 1; dec[i] != 0 && precision <= dec[i]; i++) - { - // First find non-ground by going upwards - // Don't stop in caves. - { - s16 max = level+dec[i-1]*2; - v3s16 p(p2d.X, level, p2d.Y); - for(; p.Y < max; p.Y += dec[i]) - { - if(!is_ground(seed, p)) - { - level = p.Y; - break; - } - } - } - // Then find ground by going downwards from there. - // Go in caves, too, when precision is 1. - { - s16 min = level-dec[i-1]*2; - v3s16 p(p2d.X, level, p2d.Y); - for(; p.Y>min; p.Y-=dec[i]) - { - bool ground = is_ground(seed, p); - /*if(dec[i] == 1 && is_cave(seed, p)) - ground = false;*/ - if(ground) - { - level = p.Y; - break; - } - } - } - } - - // This is more like the actual ground level - level += dec[i-1]/2; - - return level; -} - -double get_sector_average_ground_level(u64 seed, v2s16 sectorpos, double p=4); - -double get_sector_average_ground_level(u64 seed, v2s16 sectorpos, double p) -{ - v2s16 node_min = sectorpos*MAP_BLOCKSIZE; - v2s16 node_max = (sectorpos+v2s16(1,1))*MAP_BLOCKSIZE-v2s16(1,1); - double a = 0; - a += find_ground_level_from_noise(seed, - v2s16(node_min.X, node_min.Y), p); - a += find_ground_level_from_noise(seed, - v2s16(node_min.X, node_max.Y), p); - a += find_ground_level_from_noise(seed, - v2s16(node_max.X, node_max.Y), p); - a += find_ground_level_from_noise(seed, - v2s16(node_max.X, node_min.Y), p); - a += find_ground_level_from_noise(seed, - v2s16(node_min.X+MAP_BLOCKSIZE/2, node_min.Y+MAP_BLOCKSIZE/2), p); - a /= 5; - return a; -} - -double get_sector_maximum_ground_level(u64 seed, v2s16 sectorpos, double p=4); - -double get_sector_maximum_ground_level(u64 seed, v2s16 sectorpos, double p) -{ - v2s16 node_min = sectorpos*MAP_BLOCKSIZE; - v2s16 node_max = (sectorpos+v2s16(1,1))*MAP_BLOCKSIZE-v2s16(1,1); - double a = -31000; - a = MYMAX(a, find_ground_level_from_noise(seed, - v2s16(node_min.X, node_min.Y), p)); - a = MYMAX(a, find_ground_level_from_noise(seed, - v2s16(node_min.X, node_max.Y), p)); - a = MYMAX(a, find_ground_level_from_noise(seed, - v2s16(node_max.X, node_max.Y), p)); - a = MYMAX(a, find_ground_level_from_noise(seed, - v2s16(node_min.X, node_min.Y), p)); - a = MYMAX(a, find_ground_level_from_noise(seed, - v2s16(node_min.X+MAP_BLOCKSIZE/2, node_min.Y+MAP_BLOCKSIZE/2), p)); - return a; -} - -double get_sector_minimum_ground_level(u64 seed, v2s16 sectorpos, double p=4); - -double get_sector_minimum_ground_level(u64 seed, v2s16 sectorpos, double p) -{ - v2s16 node_min = sectorpos*MAP_BLOCKSIZE; - v2s16 node_max = (sectorpos+v2s16(1,1))*MAP_BLOCKSIZE-v2s16(1,1); - double a = 31000; - a = MYMIN(a, find_ground_level_from_noise(seed, - v2s16(node_min.X, node_min.Y), p)); - a = MYMIN(a, find_ground_level_from_noise(seed, - v2s16(node_min.X, node_max.Y), p)); - a = MYMIN(a, find_ground_level_from_noise(seed, - v2s16(node_max.X, node_max.Y), p)); - a = MYMIN(a, find_ground_level_from_noise(seed, - v2s16(node_min.X, node_min.Y), p)); - a = MYMIN(a, find_ground_level_from_noise(seed, - v2s16(node_min.X+MAP_BLOCKSIZE/2, node_min.Y+MAP_BLOCKSIZE/2), p)); - return a; -} - -#if 0 -#define AVERAGE_MUD_AMOUNT 4 - -double base_rock_level_2d(u64 seed, v2s16 p) -{ - // The base ground level - double base = (double)WATER_LEVEL - (double)AVERAGE_MUD_AMOUNT - + 20. * noise2d_perlin( - 0.5+(float)p.X/500., 0.5+(float)p.Y/500., - (seed>>32)+654879876, 6, 0.6); - - /*// A bit hillier one - double base2 = WATER_LEVEL - 4.0 + 40. * noise2d_perlin( - 0.5+(float)p.X/250., 0.5+(float)p.Y/250., - (seed>>27)+90340, 6, 0.69); - if(base2 > base) - base = base2;*/ -#if 1 - // Higher ground level - double higher = (double)WATER_LEVEL + 25. + 35. * noise2d_perlin( - 0.5+(float)p.X/250., 0.5+(float)p.Y/250., - seed+85039, 5, 0.69); - //higher = 30; // For debugging - - // Limit higher to at least base - if(higher < base) - higher = base; - - // Steepness factor of cliffs - double b = 1.0 + 1.0 * noise2d_perlin( - 0.5+(float)p.X/250., 0.5+(float)p.Y/250., - seed-932, 7, 0.7); - b = rangelim(b, 0.0, 1000.0); - b = pow(b, 5); - b *= 7; - b = rangelim(b, 3.0, 1000.0); - //dstream<<"b="<blockpos; - - /*dstream<<"makeBlock(): ("<vmanip; - v3s16 blockpos_min = blockpos - v3s16(1,1,1); - v3s16 blockpos_max = blockpos + v3s16(1,1,1); - // Area of center block - v3s16 node_min = blockpos*MAP_BLOCKSIZE; - v3s16 node_max = (blockpos+v3s16(1,1,1))*MAP_BLOCKSIZE-v3s16(1,1,1); - // Full allocated area - v3s16 full_node_min = (blockpos-1)*MAP_BLOCKSIZE; - v3s16 full_node_max = (blockpos+2)*MAP_BLOCKSIZE-v3s16(1,1,1); - // Area of a block - double block_area_nodes = MAP_BLOCKSIZE*MAP_BLOCKSIZE; - - v2s16 p2d_center(node_min.X+MAP_BLOCKSIZE/2, node_min.Z+MAP_BLOCKSIZE/2); - - /* - Get average ground level from noise - */ - - s16 approx_groundlevel = (s16)get_sector_average_ground_level( - data->seed, v2s16(blockpos.X, blockpos.Z)); - //dstream<<"approx_groundlevel="<seed, v2s16(blockpos.X, blockpos.Z)); - // Minimum amount of ground above the top of the central block - s16 minimum_ground_depth = minimum_groundlevel - node_max.Y; - - s16 maximum_groundlevel = (s16)get_sector_maximum_ground_level( - data->seed, v2s16(blockpos.X, blockpos.Z), 1); - // Maximum amount of ground above the bottom of the central block - s16 maximum_ground_depth = maximum_groundlevel - node_min.Y; - - /* - Special case for high air or water: Just fill with air and water. - */ - if(maximum_ground_depth < -20) - { - for(s16 x=node_min.X; x<=node_max.X; x++) - for(s16 z=node_min.Z; z<=node_max.Z; z++) - { - // Node position - v2s16 p2d(x,z); - { - // Use fast index incrementing - v3s16 em = vmanip.m_area.getExtent(); - u32 i = vmanip.m_area.index(v3s16(p2d.X, node_min.Y, p2d.Y)); - for(s16 y=node_min.Y; y<=node_max.Y; y++) - { - // Only modify places that have no content - if(vmanip.m_data[i].d == CONTENT_IGNORE) - { - if(y <= WATER_LEVEL) - vmanip.m_data[i] = MapNode(CONTENT_WATERSOURCE); - else - vmanip.m_data[i] = MapNode(CONTENT_AIR); - } - - data->vmanip.m_area.add_y(em, i, 1); - } - } - } - - // We're done - return; - } - - /* - If block is deep underground, this is set to true and ground - density noise is not generated, for speed optimization. - */ - bool all_is_ground_except_caves = (minimum_ground_depth > 16); - - /* - Create a block-specific seed - */ - u32 blockseed = (data->seed%0x100000000) + full_node_min.Z*38134234 - + full_node_min.Y*42123 + full_node_min.X*23; - - /* - Make some 3D noise - */ - - //NoiseBuffer noisebuf1; - //NoiseBuffer noisebuf2; - NoiseBuffer noisebuf_cave; - NoiseBuffer noisebuf_ground; - NoiseBuffer noisebuf_ground_crumbleness; - NoiseBuffer noisebuf_ground_wetness; - { - v3f minpos_f(node_min.X, node_min.Y, node_min.Z); - v3f maxpos_f(node_max.X, node_max.Y, node_max.Z); - - //TimeTaker timer("noisebuf.create"); - - /* - Cave noise - */ - - noisebuf_cave.create(get_cave_noise1_params(data->seed), - minpos_f.X, minpos_f.Y, minpos_f.Z, - maxpos_f.X, maxpos_f.Y, maxpos_f.Z, - 4, 3, 4); - - noisebuf_cave.multiply(get_cave_noise2_params(data->seed)); - - /* - Ground noise - */ - - // Sample length - v3f sl = v3f(4.0, 4.0, 4.0); - - /* - Density noise - */ - if(all_is_ground_except_caves == false) - //noisebuf_ground.create(data->seed+983240, 6, 0.60, false, - noisebuf_ground.create(get_ground_noise1_params(data->seed), - minpos_f.X, minpos_f.Y, minpos_f.Z, - maxpos_f.X, maxpos_f.Y, maxpos_f.Z, - sl.X, sl.Y, sl.Z); - - /* - Ground property noise - */ - sl = v3f(2.5, 2.5, 2.5); - noisebuf_ground_crumbleness.create( - get_ground_crumbleness_params(data->seed), - minpos_f.X, minpos_f.Y, minpos_f.Z, - maxpos_f.X, maxpos_f.Y+5, maxpos_f.Z, - sl.X, sl.Y, sl.Z); - noisebuf_ground_wetness.create( - get_ground_wetness_params(data->seed), - minpos_f.X, minpos_f.Y, minpos_f.Z, - maxpos_f.X, maxpos_f.Y+5, maxpos_f.Z, - sl.X, sl.Y, sl.Z); - } - - /* - Make base ground level - */ - - for(s16 x=node_min.X; x<=node_max.X; x++) - for(s16 z=node_min.Z; z<=node_max.Z; z++) - { - // Node position - v2s16 p2d(x,z); - { - // Use fast index incrementing - v3s16 em = vmanip.m_area.getExtent(); - u32 i = vmanip.m_area.index(v3s16(p2d.X, node_min.Y, p2d.Y)); - for(s16 y=node_min.Y; y<=node_max.Y; y++) - { - // Only modify places that have no content - if(vmanip.m_data[i].d == CONTENT_IGNORE) - { - // First priority: make air and water. - // This avoids caves inside water. - if(all_is_ground_except_caves == false - && val_is_ground(noisebuf_ground.get(x,y,z), - v3s16(x,y,z), data->seed) == false) - { - if(y <= WATER_LEVEL) - vmanip.m_data[i] = MapNode(CONTENT_WATERSOURCE); - else - vmanip.m_data[i] = MapNode(CONTENT_AIR); - } - else if(noisebuf_cave.get(x,y,z) > CAVE_NOISE_THRESHOLD) - vmanip.m_data[i] = MapNode(CONTENT_AIR); - else - vmanip.m_data[i] = MapNode(CONTENT_STONE); - } - - data->vmanip.m_area.add_y(em, i, 1); - } - } - } - - /* - Add minerals - */ - - { - PseudoRandom mineralrandom(blockseed); - - /* - Add meseblocks - */ - for(s16 i=0; i 0.0) - new_content = MapNode(CONTENT_STONE, MINERAL_IRON); - /*if(noisebuf_ground_wetness.get(x,y,z) > 0.0) - vmanip.m_data[i] = MapNode(CONTENT_MUD); - else - vmanip.m_data[i] = MapNode(CONTENT_SAND);*/ - } - /*else if(noisebuf_ground_crumbleness.get(x,y,z) > 0.1) - { - }*/ - - if(new_content.d != CONTENT_IGNORE) - { - for(u16 i=0; i<27; i++) - { - v3s16 p = v3s16(x,y,z) + g_27dirs[i]; - u32 vi = vmanip.m_area.index(p); - if(vmanip.m_data[vi].d == base_content) - { - if(mineralrandom.next()%sparseness == 0) - vmanip.m_data[vi] = new_content; - } - } - } - } - } - /* - Add coal - */ - //for(s16 i=0; i < MYMAX(0, 50 - abs(node_min.Y+8 - (-30))); i++) - //for(s16 i=0; i<50; i++) - u16 coal_amount = 30; - u16 coal_rareness = 60 / coal_amount; - if(coal_rareness == 0) - coal_rareness = 1; - if(mineralrandom.next()%coal_rareness == 0) - { - u16 a = mineralrandom.next() % 16; - u16 amount = coal_amount * a*a*a / 1000; - for(s16 i=0; i=node_min.Y; y--) - { - if(vmanip.m_data[i].d == CONTENT_STONE) - { - if(noisebuf_ground_crumbleness.get(x,y,z) > 1.3) - { - if(noisebuf_ground_wetness.get(x,y,z) > 0.0) - vmanip.m_data[i] = MapNode(CONTENT_MUD); - else - vmanip.m_data[i] = MapNode(CONTENT_SAND); - } - else if(noisebuf_ground_crumbleness.get(x,y,z) > 0.7) - { - if(noisebuf_ground_wetness.get(x,y,z) < -0.6) - vmanip.m_data[i] = MapNode(CONTENT_GRAVEL); - } - } - - data->vmanip.m_area.add_y(em, i, -1); - } - } - } - - /* - Add dungeons - */ - - //if(node_min.Y < approx_groundlevel) - //if(myrand() % 3 == 0) - //if(myrand() % 3 == 0 && node_min.Y < approx_groundlevel) - //if(myrand() % 100 == 0 && node_min.Y < approx_groundlevel) - //float dungeon_rarity = g_settings.getFloat("dungeon_rarity"); - float dungeon_rarity = 0.02; - if(((noise3d(blockpos.X,blockpos.Y,blockpos.Z,data->seed)+1.0)/2.0) - < dungeon_rarity - && node_min.Y < approx_groundlevel) - { - // Dungeon generator doesn't modify places which have this set - data->vmanip.clearFlag(VMANIP_FLAG_DUNGEON_INSIDE - | VMANIP_FLAG_DUNGEON_PRESERVE); - - // Set all air and water to be untouchable to make dungeons open - // to caves and open air - for(s16 x=full_node_min.X; x<=full_node_max.X; x++) - for(s16 z=full_node_min.Z; z<=full_node_max.Z; z++) - { - // Node position - v2s16 p2d(x,z); - { - // Use fast index incrementing - v3s16 em = vmanip.m_area.getExtent(); - u32 i = vmanip.m_area.index(v3s16(p2d.X, full_node_max.Y, p2d.Y)); - for(s16 y=full_node_max.Y; y>=full_node_min.Y; y--) - { - if(vmanip.m_data[i].d == CONTENT_AIR) - vmanip.m_flags[i] |= VMANIP_FLAG_DUNGEON_PRESERVE; - else if(vmanip.m_data[i].d == CONTENT_WATERSOURCE) - vmanip.m_flags[i] |= VMANIP_FLAG_DUNGEON_PRESERVE; - data->vmanip.m_area.add_y(em, i, -1); - } - } - } - - PseudoRandom random(blockseed+2); - - // Add it - make_dungeon1(data->vmanip, random); - - // Convert some cobble to mossy cobble - for(s16 x=full_node_min.X; x<=full_node_max.X; x++) - for(s16 z=full_node_min.Z; z<=full_node_max.Z; z++) - { - // Node position - v2s16 p2d(x,z); - { - // Use fast index incrementing - v3s16 em = vmanip.m_area.getExtent(); - u32 i = vmanip.m_area.index(v3s16(p2d.X, full_node_max.Y, p2d.Y)); - for(s16 y=full_node_max.Y; y>=full_node_min.Y; y--) - { - // (noisebuf not used because it doesn't contain the - // full area) - double wetness = noise3d_param( - get_ground_wetness_params(data->seed), x,y,z); - double d = noise3d_perlin((float)x/2.5, - (float)y/2.5,(float)z/2.5, - blockseed, 2, 1.4); - if(vmanip.m_data[i].d == CONTENT_COBBLE) - { - if(d < wetness/3.0) - { - vmanip.m_data[i].d = CONTENT_MOSSYCOBBLE; - } - } - /*else if(vmanip.m_flags[i] & VMANIP_FLAG_DUNGEON_INSIDE) - { - if(wetness > 1.2) - vmanip.m_data[i].d = CONTENT_MUD; - }*/ - data->vmanip.m_area.add_y(em, i, -1); - } - } - } - } - - /* - Add top and bottom side of water to transforming_liquid queue - */ - - for(s16 x=node_min.X; x<=node_max.X; x++) - for(s16 z=node_min.Z; z<=node_max.Z; z++) - { - // Node position - v2s16 p2d(x,z); - { - bool water_found = false; - // Use fast index incrementing - v3s16 em = vmanip.m_area.getExtent(); - u32 i = vmanip.m_area.index(v3s16(p2d.X, node_max.Y, p2d.Y)); - for(s16 y=node_max.Y; y>=node_min.Y; y--) - { - if(water_found == false) - { - if(vmanip.m_data[i].d == CONTENT_WATERSOURCE) - { - v3s16 p = v3s16(p2d.X, y, p2d.Y); - data->transforming_liquid.push_back(p); - water_found = true; - } - } - else - { - // This can be done because water_found can only - // turn to true and end up here after going through - // a single block. - if(vmanip.m_data[i+1].d != CONTENT_WATERSOURCE) - { - v3s16 p = v3s16(p2d.X, y+1, p2d.Y); - data->transforming_liquid.push_back(p); - water_found = false; - } - } - - data->vmanip.m_area.add_y(em, i, -1); - } - } - } - - /* - If close to ground level - */ - - //if(abs(approx_ground_depth) < 30) - if(minimum_ground_depth < 5 && maximum_ground_depth > -5) - { - /* - Add grass and mud - */ - - for(s16 x=node_min.X; x<=node_max.X; x++) - for(s16 z=node_min.Z; z<=node_max.Z; z++) - { - // Node position - v2s16 p2d(x,z); - { - bool possibly_have_sand = get_have_sand(data->seed, p2d); - bool have_sand = false; - u32 current_depth = 0; - bool air_detected = false; - bool water_detected = false; - // Use fast index incrementing - s16 start_y = node_max.Y+2; - v3s16 em = vmanip.m_area.getExtent(); - u32 i = vmanip.m_area.index(v3s16(p2d.X, start_y, p2d.Y)); - for(s16 y=start_y; y>=node_min.Y-3; y--) - { - if(vmanip.m_data[i].d == CONTENT_WATERSOURCE) - water_detected = true; - if(vmanip.m_data[i].d == CONTENT_AIR) - air_detected = true; - - if((vmanip.m_data[i].d == CONTENT_STONE - || vmanip.m_data[i].d == CONTENT_GRASS - || vmanip.m_data[i].d == CONTENT_MUD - || vmanip.m_data[i].d == CONTENT_SAND - || vmanip.m_data[i].d == CONTENT_GRAVEL - ) && (air_detected || water_detected)) - { - if(current_depth == 0 && y <= WATER_LEVEL+2 - && possibly_have_sand) - have_sand = true; - - if(current_depth < 4) - { - if(have_sand) - { - vmanip.m_data[i] = MapNode(CONTENT_SAND); - } - #if 1 - else if(current_depth==0 && !water_detected - && y >= WATER_LEVEL && air_detected) - vmanip.m_data[i] = MapNode(CONTENT_GRASS); - #endif - else - vmanip.m_data[i] = MapNode(CONTENT_MUD); - } - else - { - if(vmanip.m_data[i].d == CONTENT_MUD - || vmanip.m_data[i].d == CONTENT_GRASS) - vmanip.m_data[i] = MapNode(CONTENT_STONE); - } - - current_depth++; - - if(current_depth >= 8) - break; - } - else if(current_depth != 0) - break; - - data->vmanip.m_area.add_y(em, i, -1); - } - } - } - - /* - Add trees - */ - - // Amount of trees - u32 tree_count = block_area_nodes * tree_amount_2d(data->seed, p2d_center); - PseudoRandom treerandom(blockseed); - // Put trees in random places on part of division - for(u32 i=0; ivmanip, v2s16(x,z)); - s16 y = find_ground_level_from_noise(data->seed, v2s16(x,z), 4); - // Don't make a tree under water level - if(y < WATER_LEVEL) - continue; - // Make sure tree fits (only trees whose starting point is - // at this block are added) - if(y < node_min.Y || y > node_max.Y) - continue; - /* - Find exact ground level - */ - v3s16 p(x,y+6,z); - bool found = false; - for(; p.Y >= y-6; p.Y--) - { - u32 i = data->vmanip.m_area.index(p); - MapNode *n = &data->vmanip.m_data[i]; - if(n->d != CONTENT_AIR && n->d != CONTENT_IGNORE) - { - found = true; - break; - } - } - // If not found, handle next one - if(found == false) - continue; - /* - Trees grow only on mud and grass - */ - { - u32 i = data->vmanip.m_area.index(p); - MapNode *n = &data->vmanip.m_data[i]; - if(n->d != CONTENT_MUD && n->d != CONTENT_GRASS) - continue; - } - // Tree will be placed one higher - p.Y++; - // Make a tree - make_tree(data->vmanip, p); - } - -#if 0 - /* - Add some kind of random stones - */ - - u32 random_stone_count = block_area_nodes * - randomstone_amount_2d(data->seed, p2d_center); - // Put in random places on part of division - for(u32 i=0; iseed, v2s16(x,z), 1); - // Don't add under water level - /*if(y < WATER_LEVEL) - continue;*/ - // Don't add if doesn't belong to this block - if(y < node_min.Y || y > node_max.Y) - continue; - v3s16 p(x,y,z); - // Filter placement - /*{ - u32 i = data->vmanip.m_area.index(v3s16(p)); - MapNode *n = &data->vmanip.m_data[i]; - if(n->d != CONTENT_MUD && n->d != CONTENT_GRASS) - continue; - }*/ - // Will be placed one higher - p.Y++; - // Add it - make_randomstone(data->vmanip, p); - } -#endif - -#if 0 - /* - Add larger stones - */ - - u32 large_stone_count = block_area_nodes * - largestone_amount_2d(data->seed, p2d_center); - //u32 large_stone_count = 1; - // Put in random places on part of division - for(u32 i=0; iseed, v2s16(x,z), 1); - // Don't add under water level - /*if(y < WATER_LEVEL) - continue;*/ - // Don't add if doesn't belong to this block - if(y < node_min.Y || y > node_max.Y) - continue; - v3s16 p(x,y,z); - // Filter placement - /*{ - u32 i = data->vmanip.m_area.index(v3s16(p)); - MapNode *n = &data->vmanip.m_data[i]; - if(n->d != CONTENT_MUD && n->d != CONTENT_GRASS) - continue; - }*/ - // Will be placed one lower - p.Y--; - // Add it - make_largestone(data->vmanip, p); - } -#endif - } - -} - void ServerMap::initBlockMake(BlockMakeData *data, v3s16 blockpos) { /*dstream<<"initBlockMake(): ("<seed, v2s16(blockpos.X, blockpos.Z)); - - if(blockpos.Y*MAP_BLOCKSIZE + MAP_BLOCKSIZE <= minimum_groundlevel) - block->setIsUnderground(true); - else - block->setIsUnderground(false); + block->setIsUnderground(mapgen::block_is_underground(data->seed, blockpos)); /* Add sunlight to central block. @@ -4013,7 +2120,7 @@ MapBlock* ServerMap::finishBlockMake(BlockMakeData *data, /* Add random objects to block */ - addRandomObjects(block); + mapgen::add_random_objects(block); /* Go through changed blocks @@ -4148,8 +2255,8 @@ MapBlock * ServerMap::generateBlock( Generate block */ { - TimeTaker t("makeBlock()"); - makeBlock(&data); + TimeTaker t("mapgen::make_block()"); + mapgen::make_block(&data); } /* @@ -4475,7 +2582,7 @@ plan_b: Determine from map generator noise functions */ - s16 level = find_ground_level_from_noise(m_seed, p2d, 1); + s16 level = mapgen::find_ground_level_from_noise(m_seed, p2d, 1); return level; //double level = base_rock_level_2d(m_seed, p2d) + AVERAGE_MUD_AMOUNT; diff --git a/src/mapgen.cpp b/src/mapgen.cpp new file mode 100644 index 000000000..a739ceaeb --- /dev/null +++ b/src/mapgen.cpp @@ -0,0 +1,1936 @@ +/* +Minetest-c55 +Copyright (C) 2010-2011 celeron55, Perttu Ahola + +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 +(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. + +You should have received a copy of the GNU 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. +*/ + +#include "mapgen.h" +#include "voxel.h" +#include "content_mapnode.h" +#include "noise.h" +#include "mapblock.h" +#include "map.h" +#include "serverobject.h" +#include "mineral.h" + +namespace mapgen +{ + +/* + Some helper functions for the map generator +*/ + +#if 0 +static s16 find_ground_level(VoxelManipulator &vmanip, v2s16 p2d) +{ + v3s16 em = vmanip.m_area.getExtent(); + s16 y_nodes_max = vmanip.m_area.MaxEdge.Y; + s16 y_nodes_min = vmanip.m_area.MinEdge.Y; + u32 i = vmanip.m_area.index(v3s16(p2d.X, y_nodes_max, p2d.Y)); + s16 y; + for(y=y_nodes_max; y>=y_nodes_min; y--) + { + MapNode &n = vmanip.m_data[i]; + if(content_walkable(n.d)) + break; + + vmanip.m_area.add_y(em, i, -1); + } + if(y >= y_nodes_min) + return y; + else + return y_nodes_min; +} + +static s16 find_ground_level_clever(VoxelManipulator &vmanip, v2s16 p2d) +{ + v3s16 em = vmanip.m_area.getExtent(); + s16 y_nodes_max = vmanip.m_area.MaxEdge.Y; + s16 y_nodes_min = vmanip.m_area.MinEdge.Y; + u32 i = vmanip.m_area.index(v3s16(p2d.X, y_nodes_max, p2d.Y)); + s16 y; + for(y=y_nodes_max; y>=y_nodes_min; y--) + { + MapNode &n = vmanip.m_data[i]; + if(content_walkable(n.d) + && n.d != CONTENT_TREE + && n.d != CONTENT_LEAVES) + break; + + vmanip.m_area.add_y(em, i, -1); + } + if(y >= y_nodes_min) + return y; + else + return y_nodes_min; +} +#endif + +static void make_tree(VoxelManipulator &vmanip, v3s16 p0) +{ + MapNode treenode(CONTENT_TREE); + MapNode leavesnode(CONTENT_LEAVES); + + s16 trunk_h = myrand_range(3, 6); + v3s16 p1 = p0; + for(s16 ii=0; ii leaves_d(new u8[leaves_a.getVolume()]); + Buffer leaves_d(leaves_a.getVolume()); + for(s32 i=0; i stone_d(stone_a.getVolume()); + for(s32 i=0; i 0.0) + { + u32 vi = stone_a.index(v3s16(x,y,z)); + stone_d[vi] = 1; + } + } + + /*// Add stone randomly + for(u32 iii=0; iii<7; iii++) + { + s16 d = 1; + + v3s16 p( + myrand_range(stone_a.MinEdge.X, stone_a.MaxEdge.X-d), + myrand_range(stone_a.MinEdge.Y, stone_a.MaxEdge.Y-d), + myrand_range(stone_a.MinEdge.Z, stone_a.MaxEdge.Z-d) + ); + + for(s16 z=0; z<=d; z++) + for(s16 y=0; y<=d; y++) + for(s16 x=0; x<=d; x++) + { + stone_d[stone_a.index(p+v3s16(x,y,z))] = 1; + } + }*/ + + // Blit stone to vmanip + for(s16 z=stone_a.MinEdge.Z; z<=stone_a.MaxEdge.Z; z++) + for(s16 y=stone_a.MinEdge.Y; y<=stone_a.MaxEdge.Y; y++) + for(s16 x=stone_a.MinEdge.X; x<=stone_a.MaxEdge.X; x++) + { + v3s16 p(x,y,z); + p += p0; + if(vmanip.m_area.contains(p) == false) + continue; + u32 vi = vmanip.m_area.index(p); + if(vmanip.m_data[vi].d != CONTENT_AIR + && vmanip.m_data[vi].d != CONTENT_IGNORE) + continue; + u32 i = stone_a.index(x,y,z); + if(stone_d[i] == 1) + vmanip.m_data[vi] = stonenode; + } +} +#endif + +#if 0 +static void make_largestone(VoxelManipulator &vmanip, v3s16 p0) +{ + MapNode stonenode(CONTENT_STONE); + + s16 size = myrand_range(8, 16); + + VoxelArea stone_a(v3s16(-size/2,0,-size/2), v3s16(size/2,size,size/2)); + Buffer stone_d(stone_a.getVolume()); + for(s32 i=0; i 1.0) + { + u32 vi = stone_a.index(v3s16(x,y,z)); + stone_d[vi] = 1; + } + } + + /*// Add stone randomly + for(u32 iii=0; iii<7; iii++) + { + s16 d = 1; + + v3s16 p( + myrand_range(stone_a.MinEdge.X, stone_a.MaxEdge.X-d), + myrand_range(stone_a.MinEdge.Y, stone_a.MaxEdge.Y-d), + myrand_range(stone_a.MinEdge.Z, stone_a.MaxEdge.Z-d) + ); + + for(s16 z=0; z<=d; z++) + for(s16 y=0; y<=d; y++) + for(s16 x=0; x<=d; x++) + { + stone_d[stone_a.index(p+v3s16(x,y,z))] = 1; + } + }*/ + + // Blit stone to vmanip + for(s16 z=stone_a.MinEdge.Z; z<=stone_a.MaxEdge.Z; z++) + for(s16 y=stone_a.MinEdge.Y; y<=stone_a.MaxEdge.Y; y++) + for(s16 x=stone_a.MinEdge.X; x<=stone_a.MaxEdge.X; x++) + { + v3s16 p(x,y,z); + p += p0; + if(vmanip.m_area.contains(p) == false) + continue; + u32 vi = vmanip.m_area.index(p); + /*if(vmanip.m_data[vi].d != CONTENT_AIR + && vmanip.m_data[vi].d != CONTENT_IGNORE) + continue;*/ + u32 i = stone_a.index(x,y,z); + if(stone_d[i] == 1) + vmanip.m_data[vi] = stonenode; + } +} +#endif + +/* + Dungeon making routines +*/ + +#define VMANIP_FLAG_DUNGEON_INSIDE VOXELFLAG_CHECKED1 +#define VMANIP_FLAG_DUNGEON_PRESERVE VOXELFLAG_CHECKED2 +#define VMANIP_FLAG_DUNGEON_UNTOUCHABLE (\ + VMANIP_FLAG_DUNGEON_INSIDE|VMANIP_FLAG_DUNGEON_PRESERVE) + +static void make_room1(VoxelManipulator &vmanip, v3s16 roomsize, v3s16 roomplace) +{ + // Make +-X walls + for(s16 z=0; z= 3) + make_stairs = random.next()%2 ? 1 : -1; + for(u32 i=0; i= partlength) + { + partcount = 0; + + dir = random_turn(random, dir); + + partlength = random.range(1,length); + + make_stairs = 0; + if(random.next()%2 == 0 && partlength >= 3) + make_stairs = random.next()%2 ? 1 : -1; + } + } + result_place = p0; + result_dir = dir; +} + +class RoomWalker +{ +public: + + RoomWalker(VoxelManipulator &vmanip_, v3s16 pos, PseudoRandom &random): + vmanip(vmanip_), + m_pos(pos), + m_random(random) + { + randomizeDir(); + } + + void randomizeDir() + { + m_dir = rand_ortho_dir(m_random); + } + + void setPos(v3s16 pos) + { + m_pos = pos; + } + + void setDir(v3s16 dir) + { + m_dir = dir; + } + + bool findPlaceForDoor(v3s16 &result_place, v3s16 &result_dir) + { + for(u32 i=0; i<100; i++) + { + v3s16 p = m_pos + m_dir; + v3s16 p1 = p + v3s16(0,1,0); + if(vmanip.m_area.contains(p) == false + || vmanip.m_area.contains(p1) == false + || i % 4 == 0) + { + randomizeDir(); + continue; + } + if(vmanip.getNodeNoExNoEmerge(p).d + == CONTENT_COBBLE + && vmanip.getNodeNoExNoEmerge(p1).d + == CONTENT_COBBLE) + { + // Found wall, this is a good place! + result_place = p; + result_dir = m_dir; + // Randomize next direction + randomizeDir(); + return true; + } + /* + Determine where to move next + */ + // Jump one up if the actual space is there + if(vmanip.getNodeNoExNoEmerge(p+v3s16(0,0,0)).d + == CONTENT_COBBLE + && vmanip.getNodeNoExNoEmerge(p+v3s16(0,1,0)).d + == CONTENT_AIR + && vmanip.getNodeNoExNoEmerge(p+v3s16(0,2,0)).d + == CONTENT_AIR) + p += v3s16(0,1,0); + // Jump one down if the actual space is there + if(vmanip.getNodeNoExNoEmerge(p+v3s16(0,1,0)).d + == CONTENT_COBBLE + && vmanip.getNodeNoExNoEmerge(p+v3s16(0,0,0)).d + == CONTENT_AIR + && vmanip.getNodeNoExNoEmerge(p+v3s16(0,-1,0)).d + == CONTENT_AIR) + p += v3s16(0,-1,0); + // Check if walking is now possible + if(vmanip.getNodeNoExNoEmerge(p).d + != CONTENT_AIR + || vmanip.getNodeNoExNoEmerge(p+v3s16(0,1,0)).d + != CONTENT_AIR) + { + // Cannot continue walking here + randomizeDir(); + continue; + } + // Move there + m_pos = p; + } + return false; + } + + bool findPlaceForRoomDoor(v3s16 roomsize, v3s16 &result_doorplace, + v3s16 &result_doordir, v3s16 &result_roomplace) + { + for(s16 trycount=0; trycount<30; trycount++) + { + v3s16 doorplace; + v3s16 doordir; + bool r = findPlaceForDoor(doorplace, doordir); + if(r == false) + continue; + v3s16 roomplace; + // X east, Z north, Y up + if(doordir == v3s16(1,0,0)) // X+ + roomplace = doorplace + v3s16(0,-1,-roomsize.Z/2+m_random.range(-roomsize.Z/2+1,roomsize.Z/2-1)); + if(doordir == v3s16(-1,0,0)) // X- + roomplace = doorplace + v3s16(-roomsize.X+1,-1,-roomsize.Z/2+m_random.range(-roomsize.Z/2+1,roomsize.Z/2-1)); + if(doordir == v3s16(0,0,1)) // Z+ + roomplace = doorplace + v3s16(-roomsize.X/2+m_random.range(-roomsize.X/2+1,roomsize.X/2-1),-1,0); + if(doordir == v3s16(0,0,-1)) // Z- + roomplace = doorplace + v3s16(-roomsize.X/2+m_random.range(-roomsize.X/2+1,roomsize.X/2-1),-1,-roomsize.Z+1); + + // Check fit + bool fits = true; + for(s16 z=1; z CAVE_NOISE_THRESHOLD; +} + +/* + Ground density noise shall be interpreted by using this. + + TODO: No perlin noises here, they should be outsourced + and buffered +*/ +bool val_is_ground(double ground_noise1_val, v3s16 p, u64 seed) +{ + //return ((double)p.Y < ground_noise1_val); + + double f = 0.8 + noise2d_perlin( + 0.5+(float)p.X/250, 0.5+(float)p.Z/250, + seed+920381, 3, 0.5); + if(f < 0.01) + f = 0.01; + else if(f >= 1.0) + f *= 2.0; + double h = WATER_LEVEL + 10 * noise2d_perlin( + 0.5+(float)p.X/250, 0.5+(float)p.Z/250, + seed+84174, 4, 0.5); + return ((double)p.Y - h < ground_noise1_val * f); +} + +/* + Queries whether a position is ground or not. +*/ +bool is_ground(u64 seed, v3s16 p) +{ + double val1 = noise3d_param(get_ground_noise1_params(seed), p.X,p.Y,p.Z); + return val_is_ground(val1, p, seed); +} + +// Amount of trees per area in nodes +double tree_amount_2d(u64 seed, v2s16 p) +{ + /*double noise = noise2d_perlin( + 0.5+(float)p.X/250, 0.5+(float)p.Y/250, + seed+2, 5, 0.66);*/ + double noise = noise2d_perlin( + 0.5+(float)p.X/125, 0.5+(float)p.Y/125, + seed+2, 4, 0.66); + double zeroval = -0.35; + if(noise < zeroval) + return 0; + else + return 0.04 * (noise-zeroval) / (1.0-zeroval); +} + +#if 0 +double randomstone_amount_2d(u64 seed, v2s16 p) +{ + double noise = noise2d_perlin( + 0.5+(float)p.X/250, 0.5+(float)p.Y/250, + seed+3829434, 5, 0.66); + double zeroval = 0.1; + if(noise < zeroval) + return 0; + else + return 0.01 * (noise-zeroval) / (1.0-zeroval); +} +#endif + +double largestone_amount_2d(u64 seed, v2s16 p) +{ + double noise = noise2d_perlin( + 0.5+(float)p.X/250, 0.5+(float)p.Y/250, + seed+14143242, 5, 0.66); + double zeroval = 0.3; + if(noise < zeroval) + return 0; + else + return 0.005 * (noise-zeroval) / (1.0-zeroval); +} + +/* + Incrementally find ground level from 3d noise +*/ +s16 find_ground_level_from_noise(u64 seed, v2s16 p2d, s16 precision) +{ + // Start a bit fuzzy to make averaging lower precision values + // more useful + s16 level = myrand_range(-precision/2, precision/2); + s16 dec[] = {31000, 100, 20, 4, 1, 0}; + s16 i; + for(i = 1; dec[i] != 0 && precision <= dec[i]; i++) + { + // First find non-ground by going upwards + // Don't stop in caves. + { + s16 max = level+dec[i-1]*2; + v3s16 p(p2d.X, level, p2d.Y); + for(; p.Y < max; p.Y += dec[i]) + { + if(!is_ground(seed, p)) + { + level = p.Y; + break; + } + } + } + // Then find ground by going downwards from there. + // Go in caves, too, when precision is 1. + { + s16 min = level-dec[i-1]*2; + v3s16 p(p2d.X, level, p2d.Y); + for(; p.Y>min; p.Y-=dec[i]) + { + bool ground = is_ground(seed, p); + /*if(dec[i] == 1 && is_cave(seed, p)) + ground = false;*/ + if(ground) + { + level = p.Y; + break; + } + } + } + } + + // This is more like the actual ground level + level += dec[i-1]/2; + + return level; +} + +double get_sector_average_ground_level(u64 seed, v2s16 sectorpos, double p=4); + +double get_sector_average_ground_level(u64 seed, v2s16 sectorpos, double p) +{ + v2s16 node_min = sectorpos*MAP_BLOCKSIZE; + v2s16 node_max = (sectorpos+v2s16(1,1))*MAP_BLOCKSIZE-v2s16(1,1); + double a = 0; + a += find_ground_level_from_noise(seed, + v2s16(node_min.X, node_min.Y), p); + a += find_ground_level_from_noise(seed, + v2s16(node_min.X, node_max.Y), p); + a += find_ground_level_from_noise(seed, + v2s16(node_max.X, node_max.Y), p); + a += find_ground_level_from_noise(seed, + v2s16(node_max.X, node_min.Y), p); + a += find_ground_level_from_noise(seed, + v2s16(node_min.X+MAP_BLOCKSIZE/2, node_min.Y+MAP_BLOCKSIZE/2), p); + a /= 5; + return a; +} + +double get_sector_maximum_ground_level(u64 seed, v2s16 sectorpos, double p=4); + +double get_sector_maximum_ground_level(u64 seed, v2s16 sectorpos, double p) +{ + v2s16 node_min = sectorpos*MAP_BLOCKSIZE; + v2s16 node_max = (sectorpos+v2s16(1,1))*MAP_BLOCKSIZE-v2s16(1,1); + double a = -31000; + a = MYMAX(a, find_ground_level_from_noise(seed, + v2s16(node_min.X, node_min.Y), p)); + a = MYMAX(a, find_ground_level_from_noise(seed, + v2s16(node_min.X, node_max.Y), p)); + a = MYMAX(a, find_ground_level_from_noise(seed, + v2s16(node_max.X, node_max.Y), p)); + a = MYMAX(a, find_ground_level_from_noise(seed, + v2s16(node_min.X, node_min.Y), p)); + a = MYMAX(a, find_ground_level_from_noise(seed, + v2s16(node_min.X+MAP_BLOCKSIZE/2, node_min.Y+MAP_BLOCKSIZE/2), p)); + return a; +} + +double get_sector_minimum_ground_level(u64 seed, v2s16 sectorpos, double p=4); + +double get_sector_minimum_ground_level(u64 seed, v2s16 sectorpos, double p) +{ + v2s16 node_min = sectorpos*MAP_BLOCKSIZE; + v2s16 node_max = (sectorpos+v2s16(1,1))*MAP_BLOCKSIZE-v2s16(1,1); + double a = 31000; + a = MYMIN(a, find_ground_level_from_noise(seed, + v2s16(node_min.X, node_min.Y), p)); + a = MYMIN(a, find_ground_level_from_noise(seed, + v2s16(node_min.X, node_max.Y), p)); + a = MYMIN(a, find_ground_level_from_noise(seed, + v2s16(node_max.X, node_max.Y), p)); + a = MYMIN(a, find_ground_level_from_noise(seed, + v2s16(node_min.X, node_min.Y), p)); + a = MYMIN(a, find_ground_level_from_noise(seed, + v2s16(node_min.X+MAP_BLOCKSIZE/2, node_min.Y+MAP_BLOCKSIZE/2), p)); + return a; +} + +bool block_is_underground(u64 seed, v3s16 blockpos) +{ + s16 minimum_groundlevel = (s16)get_sector_minimum_ground_level( + seed, v2s16(blockpos.X, blockpos.Z)); + + if(blockpos.Y*MAP_BLOCKSIZE + MAP_BLOCKSIZE <= minimum_groundlevel) + return true; + else + return false; +} + +#if 0 +#define AVERAGE_MUD_AMOUNT 4 + +double base_rock_level_2d(u64 seed, v2s16 p) +{ + // The base ground level + double base = (double)WATER_LEVEL - (double)AVERAGE_MUD_AMOUNT + + 20. * noise2d_perlin( + 0.5+(float)p.X/500., 0.5+(float)p.Y/500., + (seed>>32)+654879876, 6, 0.6); + + /*// A bit hillier one + double base2 = WATER_LEVEL - 4.0 + 40. * noise2d_perlin( + 0.5+(float)p.X/250., 0.5+(float)p.Y/250., + (seed>>27)+90340, 6, 0.69); + if(base2 > base) + base = base2;*/ +#if 1 + // Higher ground level + double higher = (double)WATER_LEVEL + 25. + 35. * noise2d_perlin( + 0.5+(float)p.X/250., 0.5+(float)p.Y/250., + seed+85039, 5, 0.69); + //higher = 30; // For debugging + + // Limit higher to at least base + if(higher < base) + higher = base; + + // Steepness factor of cliffs + double b = 1.0 + 1.0 * noise2d_perlin( + 0.5+(float)p.X/250., 0.5+(float)p.Y/250., + seed-932, 7, 0.7); + b = rangelim(b, 0.0, 1000.0); + b = pow(b, 5); + b *= 7; + b = rangelim(b, 3.0, 1000.0); + //dstream<<"b="<blockpos; + + /*dstream<<"makeBlock(): ("<vmanip; + v3s16 blockpos_min = blockpos - v3s16(1,1,1); + v3s16 blockpos_max = blockpos + v3s16(1,1,1); + // Area of center block + v3s16 node_min = blockpos*MAP_BLOCKSIZE; + v3s16 node_max = (blockpos+v3s16(1,1,1))*MAP_BLOCKSIZE-v3s16(1,1,1); + // Full allocated area + v3s16 full_node_min = (blockpos-1)*MAP_BLOCKSIZE; + v3s16 full_node_max = (blockpos+2)*MAP_BLOCKSIZE-v3s16(1,1,1); + // Area of a block + double block_area_nodes = MAP_BLOCKSIZE*MAP_BLOCKSIZE; + + v2s16 p2d_center(node_min.X+MAP_BLOCKSIZE/2, node_min.Z+MAP_BLOCKSIZE/2); + + /* + Get average ground level from noise + */ + + s16 approx_groundlevel = (s16)get_sector_average_ground_level( + data->seed, v2s16(blockpos.X, blockpos.Z)); + //dstream<<"approx_groundlevel="<seed, v2s16(blockpos.X, blockpos.Z)); + // Minimum amount of ground above the top of the central block + s16 minimum_ground_depth = minimum_groundlevel - node_max.Y; + + s16 maximum_groundlevel = (s16)get_sector_maximum_ground_level( + data->seed, v2s16(blockpos.X, blockpos.Z), 1); + // Maximum amount of ground above the bottom of the central block + s16 maximum_ground_depth = maximum_groundlevel - node_min.Y; + + /* + Special case for high air or water: Just fill with air and water. + */ + if(maximum_ground_depth < -20) + { + for(s16 x=node_min.X; x<=node_max.X; x++) + for(s16 z=node_min.Z; z<=node_max.Z; z++) + { + // Node position + v2s16 p2d(x,z); + { + // Use fast index incrementing + v3s16 em = vmanip.m_area.getExtent(); + u32 i = vmanip.m_area.index(v3s16(p2d.X, node_min.Y, p2d.Y)); + for(s16 y=node_min.Y; y<=node_max.Y; y++) + { + // Only modify places that have no content + if(vmanip.m_data[i].d == CONTENT_IGNORE) + { + if(y <= WATER_LEVEL) + vmanip.m_data[i] = MapNode(CONTENT_WATERSOURCE); + else + vmanip.m_data[i] = MapNode(CONTENT_AIR); + } + + data->vmanip.m_area.add_y(em, i, 1); + } + } + } + + // We're done + return; + } + + /* + If block is deep underground, this is set to true and ground + density noise is not generated, for speed optimization. + */ + bool all_is_ground_except_caves = (minimum_ground_depth > 16); + + /* + Create a block-specific seed + */ + u32 blockseed = (data->seed%0x100000000) + full_node_min.Z*38134234 + + full_node_min.Y*42123 + full_node_min.X*23; + + /* + Make some 3D noise + */ + + //NoiseBuffer noisebuf1; + //NoiseBuffer noisebuf2; + NoiseBuffer noisebuf_cave; + NoiseBuffer noisebuf_ground; + NoiseBuffer noisebuf_ground_crumbleness; + NoiseBuffer noisebuf_ground_wetness; + { + v3f minpos_f(node_min.X, node_min.Y, node_min.Z); + v3f maxpos_f(node_max.X, node_max.Y, node_max.Z); + + //TimeTaker timer("noisebuf.create"); + + /* + Cave noise + */ + + noisebuf_cave.create(get_cave_noise1_params(data->seed), + minpos_f.X, minpos_f.Y, minpos_f.Z, + maxpos_f.X, maxpos_f.Y, maxpos_f.Z, + 4, 3, 4); + + noisebuf_cave.multiply(get_cave_noise2_params(data->seed)); + + /* + Ground noise + */ + + // Sample length + v3f sl = v3f(4.0, 4.0, 4.0); + + /* + Density noise + */ + if(all_is_ground_except_caves == false) + //noisebuf_ground.create(data->seed+983240, 6, 0.60, false, + noisebuf_ground.create(get_ground_noise1_params(data->seed), + minpos_f.X, minpos_f.Y, minpos_f.Z, + maxpos_f.X, maxpos_f.Y, maxpos_f.Z, + sl.X, sl.Y, sl.Z); + + /* + Ground property noise + */ + sl = v3f(2.5, 2.5, 2.5); + noisebuf_ground_crumbleness.create( + get_ground_crumbleness_params(data->seed), + minpos_f.X, minpos_f.Y, minpos_f.Z, + maxpos_f.X, maxpos_f.Y+5, maxpos_f.Z, + sl.X, sl.Y, sl.Z); + noisebuf_ground_wetness.create( + get_ground_wetness_params(data->seed), + minpos_f.X, minpos_f.Y, minpos_f.Z, + maxpos_f.X, maxpos_f.Y+5, maxpos_f.Z, + sl.X, sl.Y, sl.Z); + } + + /* + Make base ground level + */ + + for(s16 x=node_min.X; x<=node_max.X; x++) + for(s16 z=node_min.Z; z<=node_max.Z; z++) + { + // Node position + v2s16 p2d(x,z); + { + // Use fast index incrementing + v3s16 em = vmanip.m_area.getExtent(); + u32 i = vmanip.m_area.index(v3s16(p2d.X, node_min.Y, p2d.Y)); + for(s16 y=node_min.Y; y<=node_max.Y; y++) + { + // Only modify places that have no content + if(vmanip.m_data[i].d == CONTENT_IGNORE) + { + // First priority: make air and water. + // This avoids caves inside water. + if(all_is_ground_except_caves == false + && val_is_ground(noisebuf_ground.get(x,y,z), + v3s16(x,y,z), data->seed) == false) + { + if(y <= WATER_LEVEL) + vmanip.m_data[i] = MapNode(CONTENT_WATERSOURCE); + else + vmanip.m_data[i] = MapNode(CONTENT_AIR); + } + else if(noisebuf_cave.get(x,y,z) > CAVE_NOISE_THRESHOLD) + vmanip.m_data[i] = MapNode(CONTENT_AIR); + else + vmanip.m_data[i] = MapNode(CONTENT_STONE); + } + + data->vmanip.m_area.add_y(em, i, 1); + } + } + } + + /* + Add minerals + */ + + { + PseudoRandom mineralrandom(blockseed); + + /* + Add meseblocks + */ + for(s16 i=0; i 0.0) + new_content = MapNode(CONTENT_STONE, MINERAL_IRON); + /*if(noisebuf_ground_wetness.get(x,y,z) > 0.0) + vmanip.m_data[i] = MapNode(CONTENT_MUD); + else + vmanip.m_data[i] = MapNode(CONTENT_SAND);*/ + } + /*else if(noisebuf_ground_crumbleness.get(x,y,z) > 0.1) + { + }*/ + + if(new_content.d != CONTENT_IGNORE) + { + for(u16 i=0; i<27; i++) + { + v3s16 p = v3s16(x,y,z) + g_27dirs[i]; + u32 vi = vmanip.m_area.index(p); + if(vmanip.m_data[vi].d == base_content) + { + if(mineralrandom.next()%sparseness == 0) + vmanip.m_data[vi] = new_content; + } + } + } + } + } + /* + Add coal + */ + //for(s16 i=0; i < MYMAX(0, 50 - abs(node_min.Y+8 - (-30))); i++) + //for(s16 i=0; i<50; i++) + u16 coal_amount = 30; + u16 coal_rareness = 60 / coal_amount; + if(coal_rareness == 0) + coal_rareness = 1; + if(mineralrandom.next()%coal_rareness == 0) + { + u16 a = mineralrandom.next() % 16; + u16 amount = coal_amount * a*a*a / 1000; + for(s16 i=0; i=node_min.Y; y--) + { + if(vmanip.m_data[i].d == CONTENT_STONE) + { + if(noisebuf_ground_crumbleness.get(x,y,z) > 1.3) + { + if(noisebuf_ground_wetness.get(x,y,z) > 0.0) + vmanip.m_data[i] = MapNode(CONTENT_MUD); + else + vmanip.m_data[i] = MapNode(CONTENT_SAND); + } + else if(noisebuf_ground_crumbleness.get(x,y,z) > 0.7) + { + if(noisebuf_ground_wetness.get(x,y,z) < -0.6) + vmanip.m_data[i] = MapNode(CONTENT_GRAVEL); + } + } + + data->vmanip.m_area.add_y(em, i, -1); + } + } + } + + /* + Add dungeons + */ + + //if(node_min.Y < approx_groundlevel) + //if(myrand() % 3 == 0) + //if(myrand() % 3 == 0 && node_min.Y < approx_groundlevel) + //if(myrand() % 100 == 0 && node_min.Y < approx_groundlevel) + //float dungeon_rarity = g_settings.getFloat("dungeon_rarity"); + float dungeon_rarity = 0.02; + if(((noise3d(blockpos.X,blockpos.Y,blockpos.Z,data->seed)+1.0)/2.0) + < dungeon_rarity + && node_min.Y < approx_groundlevel) + { + // Dungeon generator doesn't modify places which have this set + data->vmanip.clearFlag(VMANIP_FLAG_DUNGEON_INSIDE + | VMANIP_FLAG_DUNGEON_PRESERVE); + + // Set all air and water to be untouchable to make dungeons open + // to caves and open air + for(s16 x=full_node_min.X; x<=full_node_max.X; x++) + for(s16 z=full_node_min.Z; z<=full_node_max.Z; z++) + { + // Node position + v2s16 p2d(x,z); + { + // Use fast index incrementing + v3s16 em = vmanip.m_area.getExtent(); + u32 i = vmanip.m_area.index(v3s16(p2d.X, full_node_max.Y, p2d.Y)); + for(s16 y=full_node_max.Y; y>=full_node_min.Y; y--) + { + if(vmanip.m_data[i].d == CONTENT_AIR) + vmanip.m_flags[i] |= VMANIP_FLAG_DUNGEON_PRESERVE; + else if(vmanip.m_data[i].d == CONTENT_WATERSOURCE) + vmanip.m_flags[i] |= VMANIP_FLAG_DUNGEON_PRESERVE; + data->vmanip.m_area.add_y(em, i, -1); + } + } + } + + PseudoRandom random(blockseed+2); + + // Add it + make_dungeon1(data->vmanip, random); + + // Convert some cobble to mossy cobble + for(s16 x=full_node_min.X; x<=full_node_max.X; x++) + for(s16 z=full_node_min.Z; z<=full_node_max.Z; z++) + { + // Node position + v2s16 p2d(x,z); + { + // Use fast index incrementing + v3s16 em = vmanip.m_area.getExtent(); + u32 i = vmanip.m_area.index(v3s16(p2d.X, full_node_max.Y, p2d.Y)); + for(s16 y=full_node_max.Y; y>=full_node_min.Y; y--) + { + // (noisebuf not used because it doesn't contain the + // full area) + double wetness = noise3d_param( + get_ground_wetness_params(data->seed), x,y,z); + double d = noise3d_perlin((float)x/2.5, + (float)y/2.5,(float)z/2.5, + blockseed, 2, 1.4); + if(vmanip.m_data[i].d == CONTENT_COBBLE) + { + if(d < wetness/3.0) + { + vmanip.m_data[i].d = CONTENT_MOSSYCOBBLE; + } + } + /*else if(vmanip.m_flags[i] & VMANIP_FLAG_DUNGEON_INSIDE) + { + if(wetness > 1.2) + vmanip.m_data[i].d = CONTENT_MUD; + }*/ + data->vmanip.m_area.add_y(em, i, -1); + } + } + } + } + + /* + Add top and bottom side of water to transforming_liquid queue + */ + + for(s16 x=node_min.X; x<=node_max.X; x++) + for(s16 z=node_min.Z; z<=node_max.Z; z++) + { + // Node position + v2s16 p2d(x,z); + { + bool water_found = false; + // Use fast index incrementing + v3s16 em = vmanip.m_area.getExtent(); + u32 i = vmanip.m_area.index(v3s16(p2d.X, node_max.Y, p2d.Y)); + for(s16 y=node_max.Y; y>=node_min.Y; y--) + { + if(water_found == false) + { + if(vmanip.m_data[i].d == CONTENT_WATERSOURCE) + { + v3s16 p = v3s16(p2d.X, y, p2d.Y); + data->transforming_liquid.push_back(p); + water_found = true; + } + } + else + { + // This can be done because water_found can only + // turn to true and end up here after going through + // a single block. + if(vmanip.m_data[i+1].d != CONTENT_WATERSOURCE) + { + v3s16 p = v3s16(p2d.X, y+1, p2d.Y); + data->transforming_liquid.push_back(p); + water_found = false; + } + } + + data->vmanip.m_area.add_y(em, i, -1); + } + } + } + + /* + If close to ground level + */ + + //if(abs(approx_ground_depth) < 30) + if(minimum_ground_depth < 5 && maximum_ground_depth > -5) + { + /* + Add grass and mud + */ + + for(s16 x=node_min.X; x<=node_max.X; x++) + for(s16 z=node_min.Z; z<=node_max.Z; z++) + { + // Node position + v2s16 p2d(x,z); + { + bool possibly_have_sand = get_have_sand(data->seed, p2d); + bool have_sand = false; + u32 current_depth = 0; + bool air_detected = false; + bool water_detected = false; + // Use fast index incrementing + s16 start_y = node_max.Y+2; + v3s16 em = vmanip.m_area.getExtent(); + u32 i = vmanip.m_area.index(v3s16(p2d.X, start_y, p2d.Y)); + for(s16 y=start_y; y>=node_min.Y-3; y--) + { + if(vmanip.m_data[i].d == CONTENT_WATERSOURCE) + water_detected = true; + if(vmanip.m_data[i].d == CONTENT_AIR) + air_detected = true; + + if((vmanip.m_data[i].d == CONTENT_STONE + || vmanip.m_data[i].d == CONTENT_GRASS + || vmanip.m_data[i].d == CONTENT_MUD + || vmanip.m_data[i].d == CONTENT_SAND + || vmanip.m_data[i].d == CONTENT_GRAVEL + ) && (air_detected || water_detected)) + { + if(current_depth == 0 && y <= WATER_LEVEL+2 + && possibly_have_sand) + have_sand = true; + + if(current_depth < 4) + { + if(have_sand) + { + vmanip.m_data[i] = MapNode(CONTENT_SAND); + } + #if 1 + else if(current_depth==0 && !water_detected + && y >= WATER_LEVEL && air_detected) + vmanip.m_data[i] = MapNode(CONTENT_GRASS); + #endif + else + vmanip.m_data[i] = MapNode(CONTENT_MUD); + } + else + { + if(vmanip.m_data[i].d == CONTENT_MUD + || vmanip.m_data[i].d == CONTENT_GRASS) + vmanip.m_data[i] = MapNode(CONTENT_STONE); + } + + current_depth++; + + if(current_depth >= 8) + break; + } + else if(current_depth != 0) + break; + + data->vmanip.m_area.add_y(em, i, -1); + } + } + } + + /* + Add trees + */ + + // Amount of trees + u32 tree_count = block_area_nodes * tree_amount_2d(data->seed, p2d_center); + PseudoRandom treerandom(blockseed); + // Put trees in random places on part of division + for(u32 i=0; ivmanip, v2s16(x,z)); + s16 y = find_ground_level_from_noise(data->seed, v2s16(x,z), 4); + // Don't make a tree under water level + if(y < WATER_LEVEL) + continue; + // Make sure tree fits (only trees whose starting point is + // at this block are added) + if(y < node_min.Y || y > node_max.Y) + continue; + /* + Find exact ground level + */ + v3s16 p(x,y+6,z); + bool found = false; + for(; p.Y >= y-6; p.Y--) + { + u32 i = data->vmanip.m_area.index(p); + MapNode *n = &data->vmanip.m_data[i]; + if(n->d != CONTENT_AIR && n->d != CONTENT_IGNORE) + { + found = true; + break; + } + } + // If not found, handle next one + if(found == false) + continue; + /* + Trees grow only on mud and grass + */ + { + u32 i = data->vmanip.m_area.index(p); + MapNode *n = &data->vmanip.m_data[i]; + if(n->d != CONTENT_MUD && n->d != CONTENT_GRASS) + continue; + } + // Tree will be placed one higher + p.Y++; + // Make a tree + make_tree(data->vmanip, p); + } + +#if 0 + /* + Add some kind of random stones + */ + + u32 random_stone_count = block_area_nodes * + randomstone_amount_2d(data->seed, p2d_center); + // Put in random places on part of division + for(u32 i=0; iseed, v2s16(x,z), 1); + // Don't add under water level + /*if(y < WATER_LEVEL) + continue;*/ + // Don't add if doesn't belong to this block + if(y < node_min.Y || y > node_max.Y) + continue; + v3s16 p(x,y,z); + // Filter placement + /*{ + u32 i = data->vmanip.m_area.index(v3s16(p)); + MapNode *n = &data->vmanip.m_data[i]; + if(n->d != CONTENT_MUD && n->d != CONTENT_GRASS) + continue; + }*/ + // Will be placed one higher + p.Y++; + // Add it + make_randomstone(data->vmanip, p); + } +#endif + +#if 0 + /* + Add larger stones + */ + + u32 large_stone_count = block_area_nodes * + largestone_amount_2d(data->seed, p2d_center); + //u32 large_stone_count = 1; + // Put in random places on part of division + for(u32 i=0; iseed, v2s16(x,z), 1); + // Don't add under water level + /*if(y < WATER_LEVEL) + continue;*/ + // Don't add if doesn't belong to this block + if(y < node_min.Y || y > node_max.Y) + continue; + v3s16 p(x,y,z); + // Filter placement + /*{ + u32 i = data->vmanip.m_area.index(v3s16(p)); + MapNode *n = &data->vmanip.m_data[i]; + if(n->d != CONTENT_MUD && n->d != CONTENT_GRASS) + continue; + }*/ + // Will be placed one lower + p.Y--; + // Add it + make_largestone(data->vmanip, p); + } +#endif + } + +} + +}; // namespace mapgen + + diff --git a/src/mapgen.h b/src/mapgen.h new file mode 100644 index 000000000..5aa0282fa --- /dev/null +++ b/src/mapgen.h @@ -0,0 +1,51 @@ +/* +Minetest-c55 +Copyright (C) 2010-2011 celeron55, Perttu Ahola + +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 +(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. + +You should have received a copy of the GNU 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. +*/ + +#ifndef MAPGEN_HEADER +#define MAPGEN_HEADER + +#include "common_irrlicht.h" + +struct BlockMakeData; +class MapBlock; + +namespace mapgen +{ + // Finds precise ground level at any position + s16 find_ground_level_from_noise(u64 seed, v2s16 p2d, s16 precision); + + // Find out if block is completely underground + bool block_is_underground(u64 seed, v3s16 blockpos); + + // Main map generation routine + void make_block(BlockMakeData *data); + + // Add objects according to block content + void add_random_objects(MapBlock *block); + + /* + These are used by FarMesh + */ + bool get_have_sand(u64 seed, v2s16 p2d); + double tree_amount_2d(u64 seed, v2s16 p); + +}; // namespace mapgen + +#endif + diff --git a/src/server.cpp b/src/server.cpp index 49eb15731..cf8b57773 100644 --- a/src/server.cpp +++ b/src/server.cpp @@ -2546,12 +2546,12 @@ void Server::ProcessData(u8 *data, u32 datasize, u16 peer_id) } /* - Send the removal to all other clients. + Send the removal to all close-by players. - If other player is close, send REMOVENODE - Otherwise set blocks not sent */ core::list far_players; - sendRemoveNode(p_under, peer_id, &far_players, 100); + sendRemoveNode(p_under, peer_id, &far_players, 30); /* Update and send inventory @@ -2714,10 +2714,10 @@ void Server::ProcessData(u8 *data, u32 datasize, u16 peer_id) n.dir = packDir(p_under - p_over); /* - Send to all players + Send to all close-by players */ core::list far_players; - sendAddNode(p_over, n, 0, &far_players, 100); + sendAddNode(p_over, n, 0, &far_players, 30); /* Handle inventory diff --git a/src/server.h b/src/server.h index 791ecdec7..b88369ddf 100644 --- a/src/server.h +++ b/src/server.h @@ -17,10 +17,6 @@ with this program; if not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. */ -/* -(c) 2010 Perttu Ahola -*/ - #ifndef SERVER_HEADER #define SERVER_HEADER -- cgit v1.2.3