ABMHandler and player_collisions use sequential read/write. Switch from std::list to std::vector

* Also remove dead code Map::unloadUnusedData which is dead since a long time

src/environment.cpp

@@ -382,7 +382,7 @@ ServerEnvironment::~ServerEnvironment()
 	m_map->drop();
 
 	// Delete ActiveBlockModifiers
-	for(std::list<ABMWithState>::iterator
+	for(std::vector<ABMWithState>::iterator
 			i = m_abms.begin(); i != m_abms.end(); ++i){
 		delete i->abm;
 	}
@@ -560,7 +560,7 @@ private:
 	ServerEnvironment *m_env;
 	std::map<content_t, std::vector<ActiveABM> > m_aabms;
 public:
-	ABMHandler(std::list<ABMWithState> &abms,
+	ABMHandler(std::vector<ABMWithState> &abms,
 			float dtime_s, ServerEnvironment *env,
 			bool use_timers):
 		m_env(env)
@@ -568,8 +568,8 @@ public:
 		if(dtime_s < 0.001)
 			return;
 		INodeDefManager *ndef = env->getGameDef()->ndef();
-		for(std::list<ABMWithState>::iterator
-				i = abms.begin(); i != abms.end(); ++i){
+		for(std::vector<ABMWithState>::iterator
+				i = abms.begin(); i != abms.end(); ++i) {
 			ActiveBlockModifier *abm = i->abm;
 			float trigger_interval = abm->getTriggerInterval();
 			if(trigger_interval < 0.001)
@@ -1182,7 +1182,7 @@ void ServerEnvironment::step(float dtime)
 					<<") being handled"<<std::endl;*/
 
 			MapBlock *block = m_map->getBlockNoCreateNoEx(p);
-			if(block==NULL)
+			if(block == NULL)
 				continue;
 			
 			// Set current time as timestamp
@@ -2081,7 +2081,7 @@ void ClientEnvironment::step(float dtime)
 	LocalPlayer *lplayer = getLocalPlayer();
 	assert(lplayer);
 	// collision info queue
-	std::list<CollisionInfo> player_collisions;
+	std::vector<CollisionInfo> player_collisions;
 	
 	/*
 		Get the speed the player is going
@@ -2196,10 +2196,8 @@ void ClientEnvironment::step(float dtime)
 		
 	//std::cout<<"Looped "<<loopcount<<" times."<<std::endl;
 	
-	for(std::list<CollisionInfo>::iterator
-			i = player_collisions.begin();
-			i != player_collisions.end(); ++i)
-	{
+	for(std::vector<CollisionInfo>::iterator i = player_collisions.begin();
+			i != player_collisions.end(); ++i) {
 		CollisionInfo &info = *i;
 		v3f speed_diff = info.new_speed - info.old_speed;;
 		// Handle only fall damage

src/environment.h

@@ -393,7 +393,7 @@ private:
 	u32 m_game_time;
 	// A helper variable for incrementing the latter
 	float m_game_time_fraction_counter;
-	std::list<ABMWithState> m_abms;
+	std::vector<ABMWithState> m_abms;
 	// An interval for generally sending object positions and stuff
 	float m_recommended_send_interval;
 	// Estimate for general maximum lag as determined by server.

src/localplayer.cpp

@@ -67,7 +67,7 @@ LocalPlayer::~LocalPlayer()
 }
 
 void LocalPlayer::move(f32 dtime, Environment *env, f32 pos_max_d,
-		std::list<CollisionInfo> *collision_info)
+		std::vector<CollisionInfo> *collision_info)
 {
 	Map *map = &env->getMap();
 	INodeDefManager *nodemgr = m_gamedef->ndef();
@@ -323,9 +323,8 @@ void LocalPlayer::move(f32 dtime, Environment *env, f32 pos_max_d,
 	*/
 	bool bouncy_jump = false;
 	// Dont report if flying
-	if(collision_info && !(g_settings->getBool("free_move") && fly_allowed))
-	{
-		for(size_t i=0; i<result.collisions.size(); i++){
+	if(collision_info && !(g_settings->getBool("free_move") && fly_allowed)) {
+		for(size_t i=0; i<result.collisions.size(); i++) {
 			const CollisionInfo &info = result.collisions[i];
 			collision_info->push_back(info);
 			if(info.new_speed.Y - info.old_speed.Y > 0.1*BS &&

src/localplayer.h

@@ -48,7 +48,7 @@ public:
 	
 	void move(f32 dtime, Environment *env, f32 pos_max_d);
 	void move(f32 dtime, Environment *env, f32 pos_max_d,
-			std::list<CollisionInfo> *collision_info);
+			std::vector<CollisionInfo> *collision_info);
 
 	void applyControl(float dtime);
 

src/map.cpp

@@ -1428,7 +1428,7 @@ void Map::timerUpdate(float dtime, float unload_timeout,
 	// Profile modified reasons
 	Profiler modprofiler;
 
-	std::list<v2s16> sector_deletion_queue;
+	std::vector<v2s16> sector_deletion_queue;
 	u32 deleted_blocks_count = 0;
 	u32 saved_blocks_count = 0;
 	u32 block_count_all = 0;
@@ -1505,11 +1505,10 @@ void Map::unloadUnreferencedBlocks(std::vector<v3s16> *unloaded_blocks)
 	timerUpdate(0.0, -1.0, unloaded_blocks);
 }
 
-void Map::deleteSectors(std::list<v2s16> &list)
+void Map::deleteSectors(std::vector<v2s16> &sectorList)
 {
-	for(std::list<v2s16>::iterator j = list.begin();
-		j != list.end(); ++j)
-	{
+	for(std::vector<v2s16>::iterator j = sectorList.begin();
+		j != sectorList.end(); ++j) {
 		MapSector *sector = m_sectors[*j];
 		// If sector is in sector cache, remove it from there
 		if(m_sector_cache == sector)
@@ -1520,63 +1519,6 @@ void Map::deleteSectors(std::list<v2s16> &list)
 	}
 }
 
-#if 0
-void Map::unloadUnusedData(float timeout,
-		core::list<v3s16> *deleted_blocks)
-{
-	core::list<v2s16> sector_deletion_queue;
-	u32 deleted_blocks_count = 0;
-	u32 saved_blocks_count = 0;
-
-	core::map<v2s16, MapSector*>::Iterator si = m_sectors.getIterator();
-	for(; si.atEnd() == false; si++)
-	{
-		MapSector *sector = si.getNode()->getValue();
-
-		bool all_blocks_deleted = true;
-
-		core::list<MapBlock*> blocks;
-		sector->getBlocks(blocks);
-		for(core::list<MapBlock*>::Iterator i = blocks.begin();
-				i != blocks.end(); i++)
-		{
-			MapBlock *block = (*i);
-
-			if(block->getUsageTimer() > timeout)
-			{
-				// Save if modified
-				if(block->getModified() != MOD_STATE_CLEAN)
-				{
-					saveBlock(block);
-					saved_blocks_count++;
-				}
-				// Delete from memory
-				sector->deleteBlock(block);
-				deleted_blocks_count++;
-			}
-			else
-			{
-				all_blocks_deleted = false;
-			}
-		}
-
-		if(all_blocks_deleted)
-		{
-			sector_deletion_queue.push_back(si.getNode()->getKey());
-		}
-	}
-
-	deleteSectors(sector_deletion_queue);
-
-	infostream<<"Map: Unloaded "<<deleted_blocks_count<<" blocks from memory"
-			<<", of which "<<saved_blocks_count<<" were wr."
-			<<std::endl;
-
-	//return sector_deletion_queue.getSize();
-	//return deleted_blocks_count;
-}
-#endif
-
 void Map::PrintInfo(std::ostream &out)
 {
 	out<<"Map: ";

src/map.h

@@ -288,17 +288,7 @@ public:
 	// Deletes sectors and their blocks from memory
 	// Takes cache into account
 	// If deleted sector is in sector cache, clears cache
-	void deleteSectors(std::list<v2s16> &list);
-
-#if 0
-	/*
-		Unload unused data
-		= flush changed to disk and delete from memory, if usage timer of
-		  block is more than timeout
-	*/
-	void unloadUnusedData(float timeout,
-			core::list<v3s16> *deleted_blocks=NULL);
-#endif
+	void deleteSectors(std::vector<v2s16> &list);
 
 	// For debug printing. Prints "Map: ", "ServerMap: " or "ClientMap: "
 	virtual void PrintInfo(std::ostream &out);