working time-of-day sending from server to client

Makefile

@@ -2,18 +2,18 @@
 # It's usually sufficient to change just the target name and source file list
 # and be sure that CXX is set to a valid compiler
 TARGET = test
-SOURCE_FILES = guiPauseMenu.cpp mapnode.cpp tile.cpp voxel.cpp mapblockobject.cpp inventory.cpp debug.cpp serialization.cpp light.cpp filesys.cpp connection.cpp environment.cpp client.cpp server.cpp socket.cpp mapblock.cpp mapsector.cpp heightmap.cpp map.cpp player.cpp utility.cpp main.cpp test.cpp
+SOURCE_FILES = guiPauseMenu.cpp defaultsettings.cpp mapnode.cpp tile.cpp voxel.cpp mapblockobject.cpp inventory.cpp debug.cpp serialization.cpp light.cpp filesys.cpp connection.cpp environment.cpp client.cpp server.cpp socket.cpp mapblock.cpp mapsector.cpp heightmap.cpp map.cpp player.cpp utility.cpp main.cpp test.cpp
 SOURCES = $(addprefix src/, $(SOURCE_FILES))
-BUILD_DIR = build
+BUILD_DIR = build/
 OBJECTS = $(addprefix $(BUILD_DIR)/, $(SOURCE_FILES:.cpp=.o))
 #OBJECTS = $(SOURCES:.cpp=.o)
 
 FAST_TARGET = fasttest
 
 SERVER_TARGET = server
-SERVER_SOURCE_FILES = mapnode.cpp voxel.cpp mapblockobject.cpp inventory.cpp debug.cpp serialization.cpp light.cpp filesys.cpp connection.cpp environment.cpp server.cpp socket.cpp mapblock.cpp mapsector.cpp heightmap.cpp map.cpp player.cpp utility.cpp servermain.cpp test.cpp
+SERVER_SOURCE_FILES = defaultsettings.cpp mapnode.cpp voxel.cpp mapblockobject.cpp inventory.cpp debug.cpp serialization.cpp light.cpp filesys.cpp connection.cpp environment.cpp server.cpp socket.cpp mapblock.cpp mapsector.cpp heightmap.cpp map.cpp player.cpp utility.cpp servermain.cpp test.cpp
 SERVER_SOURCES = $(addprefix src/, $(SERVER_SOURCE_FILES))
-SERVER_BUILD_DIR = serverbuild
+SERVER_BUILD_DIR = serverbuild/
 SERVER_OBJECTS = $(addprefix $(SERVER_BUILD_DIR)/, $(SERVER_SOURCE_FILES:.cpp=.o))
 #SERVER_OBJECTS = $(SERVER_SOURCES:.cpp=.o)
 
@@ -57,13 +57,13 @@ SERVER_DESTPATH = bin/$(SERVER_TARGET)$(SUF)
 
 # Build commands
 
-all_linux all_win32: make_build_dir $(DESTPATH)
+all_linux all_win32: $(BUILD_DIR) $(DESTPATH)
-fast_linux: make_build_dir $(FAST_DESTPATH)
+fast_linux: $(BUILD_DIR) $(FAST_DESTPATH)
-server_linux: make_server_build_dir $(SERVER_DESTPATH)
+server_linux: $(SERVER_BUILD_DIR) $(SERVER_DESTPATH)
 
-make_build_dir:
+$(BUILD_DIR):
 	mkdir -p $(BUILD_DIR)
-make_server_build_dir:
+$(SERVER_BUILD_DIR):
 	mkdir -p $(SERVER_BUILD_DIR)
 
 $(DESTPATH): $(OBJECTS)

minetest.conf.example

@@ -60,3 +60,10 @@
 # Note that this gets applied at map generation time
 #endless_water = true
 
+# 20 min/day
+#time_speed = 72
+# 1 min/day
+#time_speed = 1440
+
+#time_send_interval = 5
+

src/client.cpp

@@ -91,10 +91,7 @@ Client::Client(
 	m_server_ser_ver(SER_FMT_VER_INVALID),
 	m_step_dtime(0.0),
 	m_inventory_updated(false),
-	m_time(0),
+	m_time_of_day(0)
-	m_time_counter(0.0)
-	//m_daynight_i(0)
-	//m_daynight_ratio(1000)
 {
 	m_packetcounter_timer = 0.0;
 	m_delete_unused_sectors_timer = 0.0;
@@ -165,48 +162,29 @@ void Client::step(float dtime)
 		Day/night
 	*/
 	{
-		m_time_counter += dtime;
+		s32 d = 8;
-		int seconds = (int)m_time_counter;
+		s32 t = (((m_time_of_day.get() + 24000/d/2)%24000)/(24000/d));
-		m_time_counter -= (float)seconds;
+		s32 dn = 0;
-		m_time += seconds;
+		if(t == d/4 || t == (d-d/4))
-		if(seconds > 0)
+			dn = 1;
-		{
+		else if(t < d/4 || t > (d-d/4))
-			//dstream<<"m_time="<<m_time<<std::endl;
+			dn = 2;
-			/*JMutexAutoLock envlock(m_env_mutex);
+		else
-			u32 dr = 500+500*sin((float)((m_time/10)%7)/7.*2.*PI);
+			dn = 0;
-			if(dr != m_env.getDayNightRatio())
-			{
-				dstream<<"dr="<<dr<<std::endl;
-				m_env.setDayNightRatio(dr);
-				m_env.expireMeshes();
-			}*/
-#if 1
-			s32 d = 4;
-			s32 t = (m_time/10)%d;
-			s32 dn = 0;
-			if(t == d/2-1 || t == d-1)
-				dn = 1;
-			else if(t < d/2-1)
-				dn = 0;
-			else
-				dn = 2;
 
-			u32 dr = 1000;
+		u32 dr = 1000;
-			if(dn == 0)
+		if(dn == 0)
-				dr = 1000;
+			dr = 1000;
-			if(dn == 1)
+		if(dn == 1)
-				dr = 600;
+			dr = 600;
-			if(dn == 2)
+		if(dn == 2)
-				dr = 300;
+			dr = 300;
-#else
+		
-			u32 dr = 1000;
+		if(dr != m_env.getDayNightRatio())
-#endif
+		{
-			if(dr != m_env.getDayNightRatio())
+			//dstream<<"dr="<<dr<<std::endl;
-			{
+			m_env.setDayNightRatio(dr);
-				dstream<<"dr="<<dr<<std::endl;
+			m_env.expireMeshes(true);
-				m_env.setDayNightRatio(dr);
-				m_env.expireMeshes(true);
-			}
 		}
 	}
 
@@ -1034,6 +1012,16 @@ void Client::ProcessData(u8 *data, u32 datasize, u16 sender_peer_id)
 
 		} //envlock
 	}
+	else if(command == TOCLIENT_TIME_OF_DAY)
+	{
+		if(datasize < 4)
+			return;
+		
+		u16 time = readU16(&data[2]);
+		time = time % 24000;
+		m_time_of_day.set(time);
+		//dstream<<"Client: time="<<time<<std::endl;
+	}
 	// Default to queueing it (for slow commands)
 	else
 	{

src/client.h

@@ -290,9 +290,8 @@ private:
 
 	PacketCounter m_packetcounter;
 	
-	// Access these only in main thread.
+	// Received from the server. 0-23999
-	u32 m_time;
+	MutexedVariable<u32> m_time_of_day;
-	float m_time_counter;
 	
 	// 0 <= m_daynight_i < DAYNIGHT_CACHE_COUNT
 	//s32 m_daynight_i;

src/clientserver.h

@@ -20,6 +20,8 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 #ifndef CLIENTSERVER_HEADER
 #define CLIENTSERVER_HEADER
 
+#include "utility.h"
+
 #define PROTOCOL_ID 0x4f457403
 
 enum ToClientCommand
@@ -90,6 +92,12 @@ enum ToClientCommand
 			v3s16 blockpos
 			block objects
 	*/
+
+	TOCLIENT_TIME_OF_DAY = 0x29,
+	/*
+		u16 command
+		u16 time (0-23999)
+	*/
 };
 
 enum ToServerCommand
@@ -185,8 +193,13 @@ enum ToServerCommand
 	*/
 };
 
-// Flags for TOSERVER_GETBLOCK
+inline SharedBuffer<u8> makePacket_TOCLIENT_TIME_OF_DAY(u16 time)
-#define TOSERVER_GETBLOCK_FLAG_OPTIONAL (1<<0)
+{
+	SharedBuffer<u8> data(2+2);
+	writeU16(&data[0], TOCLIENT_TIME_OF_DAY);
+	writeU16(&data[2], time);
+	return data;
+}
 
 #endif
 

src/defaultsettings.cpp

@@ -0,0 +1,60 @@
+/*
+Minetest-c55
+Copyright (C) 2010 celeron55, Perttu Ahola <celeron55@gmail.com>
+
+This program is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2 of the License, or
+(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 "utility.h"
+
+extern Settings g_settings;
+
+void set_default_settings()
+{
+	// Client stuff
+	g_settings.setDefault("wanted_fps", "30");
+	g_settings.setDefault("fps_max", "60");
+	g_settings.setDefault("viewing_range_nodes_max", "300");
+	g_settings.setDefault("viewing_range_nodes_min", "35");
+	g_settings.setDefault("screenW", "");
+	g_settings.setDefault("screenH", "");
+	g_settings.setDefault("host_game", "");
+	g_settings.setDefault("port", "");
+	g_settings.setDefault("address", "");
+	g_settings.setDefault("name", "");
+	g_settings.setDefault("random_input", "false");
+	g_settings.setDefault("client_delete_unused_sectors_timeout", "1200");
+	g_settings.setDefault("enable_fog", "true");
+
+	// Server stuff
+	g_settings.setDefault("creative_mode", "false");
+	g_settings.setDefault("heightmap_blocksize", "32");
+	g_settings.setDefault("height_randmax", "constant 50.0");
+	g_settings.setDefault("height_randfactor", "constant 0.6");
+	g_settings.setDefault("height_base", "linear 0 0 0");
+	g_settings.setDefault("plants_amount", "1.0");
+	g_settings.setDefault("ravines_amount", "1.0");
+	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_server_total", "4");
+	g_settings.setDefault("disable_water_climb", "true");
+	g_settings.setDefault("endless_water", "true");
+	g_settings.setDefault("max_block_send_distance", "5");
+	g_settings.setDefault("max_block_generate_distance", "4");
+	g_settings.setDefault("time_send_interval", "20");
+	g_settings.setDefault("time_speed", "144");
+}
+

src/main.cpp

@@ -172,10 +172,6 @@ TODO: Check what goes wrong with caching map to disk (Kray)
 
 TODO: Remove LazyMeshUpdater. It is not used as supposed.
 
-TODO: Node cracking animation when digging
-      - TODO: A way to generate new textures by combining textures
-	  - TODO: Mesh update to fetch cracked faces from the former
-
 TODO: Add server unused sector deletion settings to settings
 
 TODO: TOSERVER_LEAVE
@@ -183,6 +179,10 @@ TODO: TOSERVER_LEAVE
 Doing now:
 ======================================================================
 
+TODO: Node cracking animation when digging
+      - TODO: A way to generate new textures by combining textures
+	  - TODO: Mesh update to fetch cracked faces from the former
+
 ======================================================================
 
 */
@@ -298,41 +298,7 @@ bool g_viewing_range_all = false;
 
 Settings g_settings;
 
-// Sets default settings
+extern void set_default_settings();
-void set_default_settings()
-{
-	// Client stuff
-	g_settings.setDefault("wanted_fps", "30");
-	g_settings.setDefault("fps_max", "60");
-	g_settings.setDefault("viewing_range_nodes_max", "300");
-	g_settings.setDefault("viewing_range_nodes_min", "35");
-	g_settings.setDefault("screenW", "");
-	g_settings.setDefault("screenH", "");
-	g_settings.setDefault("host_game", "");
-	g_settings.setDefault("port", "");
-	g_settings.setDefault("address", "");
-	g_settings.setDefault("name", "");
-	g_settings.setDefault("random_input", "false");
-	g_settings.setDefault("client_delete_unused_sectors_timeout", "1200");
-	g_settings.setDefault("enable_fog", "true");
-
-	// Server stuff
-	g_settings.setDefault("creative_mode", "false");
-	g_settings.setDefault("heightmap_blocksize", "32");
-	g_settings.setDefault("height_randmax", "constant 50.0");
-	g_settings.setDefault("height_randfactor", "constant 0.6");
-	g_settings.setDefault("height_base", "linear 0 0 0");
-	g_settings.setDefault("plants_amount", "1.0");
-	g_settings.setDefault("ravines_amount", "1.0");
-	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_server_total", "4");
-	g_settings.setDefault("disable_water_climb", "true");
-	g_settings.setDefault("endless_water", "true");
-	g_settings.setDefault("max_block_send_distance", "5");
-	g_settings.setDefault("max_block_generate_distance", "4");
-}
 
 /*
 	Random stuff

src/server.cpp

@@ -31,6 +31,8 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 #include "constants.h"
 #include "voxel.h"
 
+#define BLOCK_EMERGE_FLAG_FROMDISK (1<<0)
+
 void * ServerThread::Thread()
 {
 	ThreadStarted();
@@ -121,7 +123,7 @@ void * EmergeThread::Thread()
 
 				// Check flags
 				u8 flags = i.getNode()->getValue();
-				if((flags & TOSERVER_GETBLOCK_FLAG_OPTIONAL) == false)
+				if((flags & BLOCK_EMERGE_FLAG_FROMDISK) == false)
 					optional = false;
 				
 			}
@@ -541,7 +543,7 @@ void RemoteClient::GetNextBlocks(Server *server, float dtime,
 					
 					u8 flags = 0;
 					if(generate == false)
-						flags |= TOSERVER_GETBLOCK_FLAG_OPTIONAL;
+						flags |= BLOCK_EMERGE_FLAG_FROMDISK;
 					
 					server->m_emerge_queue.addBlock(peer_id, p, flags);
 					server->m_emergethread.trigger();
@@ -757,7 +759,7 @@ void RemoteClient::SendObjectData(
 				m_num_blocks_in_emerge_queue.m_value++;*/
 				
 				// Add to queue as an anonymous fetch from disk
-				u8 flags = TOSERVER_GETBLOCK_FLAG_OPTIONAL;
+				u8 flags = BLOCK_EMERGE_FLAG_FROMDISK;
 				server->m_emerge_queue.addBlock(0, p, flags);
 				server->m_emergethread.trigger();
 			}
@@ -926,7 +928,10 @@ Server::Server(
 	m_env(new ServerMap(mapsavedir, hm_params, map_params), dout_server),
 	m_con(PROTOCOL_ID, 512, CONNECTION_TIMEOUT, this),
 	m_thread(this),
-	m_emergethread(this)
+	m_emergethread(this),
+	m_time_of_day(12000),
+	m_time_counter(0),
+	m_time_of_day_send_timer(0)
 {
 	m_flowwater_timer = 0.0;
 	m_print_info_timer = 0.0;
@@ -1025,6 +1030,45 @@ void Server::AsyncRunStep()
 		JMutexAutoLock lock1(m_step_dtime_mutex);
 		m_step_dtime -= dtime;
 	}
+	
+	/*
+		Update m_time_of_day
+	*/
+	{
+		m_time_counter += dtime;
+		f32 speed = g_settings.getFloat("time_speed") * 24000./(24.*3600);
+		u32 units = (u32)(m_time_counter*speed);
+		m_time_counter -= (f32)units / speed;
+		m_time_of_day.set((m_time_of_day.get() + units) % 24000);
+		
+		//dstream<<"Server: m_time_of_day = "<<m_time_of_day.get()<<std::endl;
+
+		/*
+			Send to clients at constant intervals
+		*/
+
+		m_time_of_day_send_timer -= dtime;
+		if(m_time_of_day_send_timer < 0.0)
+		{
+			m_time_of_day_send_timer = g_settings.getFloat("time_send_interval");
+
+			//JMutexAutoLock envlock(m_env_mutex);
+			JMutexAutoLock conlock(m_con_mutex);
+
+			for(core::map<u16, RemoteClient*>::Iterator
+				i = m_clients.getIterator();
+				i.atEnd() == false; i++)
+			{
+				RemoteClient *client = i.getNode()->getValue();
+				//Player *player = m_env.getPlayer(client->peer_id);
+				
+				SharedBuffer<u8> data = makePacket_TOCLIENT_TIME_OF_DAY(
+						m_time_of_day.get());
+				// Send as reliable
+				m_con.Send(client->peer_id, 0, data, true);
+			}
+		}
+	}
 
 	//dstream<<"Server steps "<<dtime<<std::endl;
 	
@@ -1434,6 +1478,13 @@ void Server::ProcessData(u8 *data, u32 datasize, u16 peer_id)
 
 		// Send inventory to player
 		SendInventory(peer->id);
+		
+		// Send time of day
+		{
+			SharedBuffer<u8> data = makePacket_TOCLIENT_TIME_OF_DAY(
+					m_time_of_day.get());
+			m_con.Send(peer->id, 0, data, true);
+		}
 
 		return;
 	}

src/server.h

@@ -265,9 +265,11 @@ public:
 	void GetNextBlocks(Server *server, float dtime,
 			core::array<PrioritySortedBlockTransfer> &dest);
 
-	// Connection and environment should be locked when this is called
+	/*
-	// steps() objects of blocks not found in active_blocks, then
+		Connection and environment should be locked when this is called.
-	// adds those blocks to active_blocks
+		steps() objects of blocks not found in active_blocks, then
+		adds those blocks to active_blocks
+	*/
 	void SendObjectData(
 			Server *server,
 			float dtime,
@@ -281,14 +283,6 @@ public:
 	void SetBlockNotSent(v3s16 p);
 	void SetBlocksNotSent(core::map<v3s16, MapBlock*> &blocks);
 
-	//void BlockEmerged();
-
-	/*bool IsSendingBlock(v3s16 p)
-	{
-		JMutexAutoLock lock(m_blocks_sending_mutex);
-		return (m_blocks_sending.find(p) != NULL);
-	}*/
-
 	s32 SendingCount()
 	{
 		JMutexAutoLock lock(m_blocks_sending_mutex);
@@ -457,6 +451,12 @@ private:
 	
 	// Nodes that are destinations of flowing liquid at the moment
 	core::map<v3s16, u8> m_flow_active_nodes;
+
+	// 0-23999
+	MutexedVariable<u32> m_time_of_day;
+	// Used to buffer dtime for adding to m_time_of_day
+	float m_time_counter;
+	float m_time_of_day_send_timer;
 	
 	friend class EmergeThread;
 	friend class RemoteClient;

src/servermain.cpp

@@ -86,41 +86,7 @@ IrrlichtDevice *g_device = NULL;
 
 Settings g_settings;
 
-// Sets default settings
+extern void set_default_settings();
-void set_default_settings()
-{
-	// Client stuff
-	g_settings.setDefault("wanted_fps", "30");
-	g_settings.setDefault("fps_max", "60");
-	g_settings.setDefault("viewing_range_nodes_max", "300");
-	g_settings.setDefault("viewing_range_nodes_min", "35");
-	g_settings.setDefault("screenW", "");
-	g_settings.setDefault("screenH", "");
-	g_settings.setDefault("host_game", "");
-	g_settings.setDefault("port", "");
-	g_settings.setDefault("address", "");
-	g_settings.setDefault("name", "");
-	g_settings.setDefault("random_input", "false");
-	g_settings.setDefault("client_delete_unused_sectors_timeout", "1200");
-	g_settings.setDefault("enable_fog", "true");
-
-	// Server stuff
-	g_settings.setDefault("creative_mode", "false");
-	g_settings.setDefault("heightmap_blocksize", "32");
-	g_settings.setDefault("height_randmax", "constant 50.0");
-	g_settings.setDefault("height_randfactor", "constant 0.6");
-	g_settings.setDefault("height_base", "linear 0 0 0");
-	g_settings.setDefault("plants_amount", "1.0");
-	g_settings.setDefault("ravines_amount", "1.0");
-	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_server_total", "4");
-	g_settings.setDefault("disable_water_climb", "true");
-	g_settings.setDefault("endless_water", "true");
-	g_settings.setDefault("max_block_send_distance", "5");
-	g_settings.setDefault("max_block_generate_distance", "4");
-}
 
 /*
 	Debug streams