1 files changed, 24 insertions, 21 deletions

diff --git a/src/clientiface.cpp b/src/clientiface.cpp
index 0390cf0ff..68bd4afe7 100644
--- a/src/clientiface.cpp
+++ b/src/clientiface.cpp
@@ -20,18 +20,18 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 #include <sstream>
 
 #include "clientiface.h"
-#include "util/numeric.h"
-#include "util/mathconstants.h"
 #include "remoteplayer.h"
 #include "settings.h"
 #include "mapblock.h"
 #include "network/connection.h"
-#include "environment.h"
+#include "serverenvironment.h"
 #include "map.h"
 #include "emerge.h"
 #include "content_sao.h"              // TODO this is used for cleanup of only
 #include "log.h"
+#include "network/serveropcodes.h"
 #include "util/srp.h"
+#include "face_position_cache.h"
 
 const char *ClientInterface::statenames[] = {
 	"Invalid",
@@ -198,6 +198,9 @@ void RemoteClient::GetNextBlocks (
 	s32 nearest_sent_d = -1;
 	//bool queue_is_full = false;
 
+	const v3s16 cam_pos_nodes = floatToInt(camera_pos, BS);
+	const bool occ_cull = g_settings->getBool("server_side_occlusion_culling");
+
 	s16 d;
 	for(d = d_start; d <= d_max; d++) {
 		/*
@@ -236,9 +239,9 @@ void RemoteClient::GetNextBlocks (
 				continue;
 
 			/*
-				Do not go over-limit
+				Do not go over max mapgen limit
 			*/
-			if (blockpos_over_limit(p))
+			if (blockpos_over_max_limit(p))
 				continue;
 
 			// If this is true, inexistent block will be made from scratch
@@ -250,8 +253,8 @@ void RemoteClient::GetNextBlocks (
 				FOV setting. The default of 72 degrees is fine.
 			*/
 
-			if(isBlockInSight(p, camera_pos, camera_dir, camera_fov, d_blocks_in_sight) == false)
-			{
+			f32 dist;
+			if (!isBlockInSight(p, camera_pos, camera_dir, camera_fov, d_blocks_in_sight, &dist)) {
 				continue;
 			}
 
@@ -284,12 +287,6 @@ void RemoteClient::GetNextBlocks (
 					surely_not_found_on_disk = true;
 				}
 
-				// Block is valid if lighting is up-to-date and data exists
-				if(block->isValid() == false)
-				{
-					block_is_invalid = true;
-				}
-
 				if(block->isGenerated() == false)
 					block_is_invalid = true;
 
@@ -305,6 +302,11 @@ void RemoteClient::GetNextBlocks (
 					if(block->getDayNightDiff() == false)
 						continue;
 				}
+
+				if (occ_cull && !block_is_invalid &&
+						env->getMap().isBlockOccluded(block, cam_pos_nodes)) {
+					continue;
+				}
 			}
 
 			/*
@@ -341,7 +343,7 @@ void RemoteClient::GetNextBlocks (
 			/*
 				Add block to send queue
 			*/
-			PrioritySortedBlockTransfer q((float)d, p, peer_id);
+			PrioritySortedBlockTransfer q((float)dist, p, peer_id);
 
 			dest.push_back(q);
 
@@ -588,9 +590,9 @@ void RemoteClient::notifyEvent(ClientStateEvent event)
 	}
 }
 
-u32 RemoteClient::uptime()
+u64 RemoteClient::uptime() const
 {
-	return getTime(PRECISION_SECONDS) - m_connection_time;
+	return porting::getTimeS() - m_connection_time;
 }
 
 ClientInterface::ClientInterface(con::Connection* con)
@@ -677,16 +679,17 @@ void ClientInterface::send(u16 peer_id, u8 channelnum,
 	m_con->Send(peer_id, channelnum, pkt, reliable);
 }
 
-void ClientInterface::sendToAll(u16 channelnum,
-		NetworkPacket* pkt, bool reliable)
+void ClientInterface::sendToAll(NetworkPacket *pkt)
 {
 	MutexAutoLock clientslock(m_clients_mutex);
-	for(UNORDERED_MAP<u16, RemoteClient*>::iterator i = m_clients.begin();
-		i != m_clients.end(); ++i) {
+	for (UNORDERED_MAP<u16, RemoteClient*>::iterator i = m_clients.begin();
+			i != m_clients.end(); ++i) {
 		RemoteClient *client = i->second;
 
 		if (client->net_proto_version != 0) {
-			m_con->Send(client->peer_id, channelnum, pkt, reliable);
+			m_con->Send(client->peer_id,
+					clientCommandFactoryTable[pkt->getCommand()].channel, pkt,
+					clientCommandFactoryTable[pkt->getCommand()].reliable);
 		}
 	}
 }