From: ShadowNinja <shadowninja@minetest.net>
Date: Sun, 1 Jun 2014 17:11:37 +0000 (-0400)
Subject: Only try to load from possible player files
X-Git-Url: http://81.2.79.47:8989/gitweb/?a=commitdiff_plain;h=e491f8cd485f5602c056b8b6c5e0c8c395e4a633;p=zefram%2Fminetest%2Fminetest_engine.git

Only try to load from possible player files
---

diff --git a/src/environment.cpp b/src/environment.cpp
index 91f5ea2b..d068aa78 100644
--- a/src/environment.cpp
+++ b/src/environment.cpp
@@ -443,46 +443,35 @@ void ServerEnvironment::savePlayer(const std::string &playername)
 
 Player *ServerEnvironment::loadPlayer(const std::string &playername)
 {
-	std::string players_path = m_path_world + DIR_DELIM "players";
+	std::string players_path = m_path_world + DIR_DELIM "players" DIR_DELIM;
 
 	RemotePlayer *player = static_cast<RemotePlayer*>(getPlayer(playername.c_str()));
 	bool newplayer = false;
-	bool foundplayer = false;
+	bool found = false;
 	if (!player) {
 		player = new RemotePlayer(m_gamedef);
 		newplayer = true;
 	}
 
-	std::vector<fs::DirListNode> player_files = fs::GetDirListing(players_path);
-	for (u32 i = 0; i < player_files.size(); i++) {
-		if (player_files[i].dir)
-			continue;
-		
-		// Full path to this file
-		std::string path = players_path + "/" + player_files[i].name;
-
-		// Load player to see what is its name
+	RemotePlayer testplayer(m_gamedef);
+	std::string path = players_path + playername;
+	for (u32 i = 0; i < 1000; i++) {
+		// Open file and deserialize
 		std::ifstream is(path.c_str(), std::ios_base::binary);
 		if (!is.good()) {
-			infostream << "Failed to read " << path << std::endl;
-			continue;
+			return NULL;
 		}
-		player->deSerialize(is, player_files[i].name);
-
-		if (!string_allowed(player->getName(), PLAYERNAME_ALLOWED_CHARS)) {
-			infostream << "Not loading player with invalid name: "
-					<< player->getName() << std::endl;
-			continue;
-		}
-
-		if (player->getName() == playername) {
-			// We found our player
-			foundplayer = true;
+		testplayer.deSerialize(is, path);
+		if (testplayer.getName() == playername) {
+			*player = testplayer;
+			found = true;
 			break;
 		}
-
+		path = players_path + playername + itos(i);
 	}
-	if (!foundplayer) {
+	if (!found) {
+		infostream << "Player file for player " << playername
+				<< " not found" << std::endl;
 		return NULL;
 	}
 	if (newplayer) {
diff --git a/src/player.cpp b/src/player.cpp
index 78ba17e8..a52385f2 100644
--- a/src/player.cpp
+++ b/src/player.cpp
@@ -284,11 +284,10 @@ void Player::clearHud()
 }
 
 
-void RemotePlayer::save(const std::string &savedir)
+void RemotePlayer::save(std::string savedir)
 {
-	bool newplayer = true;
-
-	/* We have to iterate through all files in the players directory
+	/*
+	 * We have to open all possible player files in the players directory
 	 * and check their player names because some file systems are not
 	 * case-sensitive and player names are case-sensitive.
 	 */
@@ -296,23 +295,25 @@ void RemotePlayer::save(const std::string &savedir)
 	// A player to deserialize files into to check their names
 	RemotePlayer testplayer(m_gamedef);
 
-	std::vector<fs::DirListNode> player_files = fs::GetDirListing(savedir);
-	for(u32 i = 0; i < player_files.size(); i++) {
-		if (player_files[i].dir || player_files[i].name[0] == '.') {
-			continue;
+	savedir += DIR_DELIM;
+	std::string path = savedir + m_name;
+	for (u32 i = 0; i < 1000; i++) {
+		if (!fs::PathExists(path)) {
+			// Open file and serialize
+			std::ostringstream ss(std::ios_base::binary);
+			serialize(ss);
+			if (!fs::safeWriteToFile(path, ss.str())) {
+				infostream << "Failed to write " << path << std::endl;
+			}
+			return;
 		}
-
-		// Full path to this file
-		std::string path = savedir + "/" + player_files[i].name;
-
 		// Open file and deserialize
 		std::ifstream is(path.c_str(), std::ios_base::binary);
 		if (!is.good()) {
-			infostream << "Failed to read " << path << std::endl;
-			continue;
+			infostream << "Failed to open " << path << std::endl;
+			return;
 		}
-		testplayer.deSerialize(is, player_files[i].name);
-
+		testplayer.deSerialize(is, path);
 		if (strcmp(testplayer.getName(), m_name) == 0) {
 			// Open file and serialize
 			std::ostringstream ss(std::ios_base::binary);
@@ -320,33 +321,13 @@ void RemotePlayer::save(const std::string &savedir)
 			if (!fs::safeWriteToFile(path, ss.str())) {
 				infostream << "Failed to write " << path << std::endl;
 			}
-			newplayer = false;
-			break;
-		}
-	}
-
-	if (newplayer) {
-		bool found = false;
-		std::string path = savedir + "/" + m_name;
-		for (u32 i = 0; i < 1000; i++) {
-			if (!fs::PathExists(path)) {
-				found = true;
-				break;
-			}
-			path = savedir + "/" + m_name + itos(i);
-		}
-		if (!found) {
-			infostream << "Didn't find free file for player " << m_name << std::endl;
 			return;
 		}
-
-		// Open file and serialize
-		std::ostringstream ss(std::ios_base::binary);
-		serialize(ss);
-		if (!fs::safeWriteToFile(path, ss.str())) {
-			infostream << "Failed to write " << path << std::endl;
-		}
+		path = savedir + m_name + itos(i);
 	}
+
+	infostream << "Didn't find free file for player " << m_name << std::endl;
+	return;
 }
 
 /*
diff --git a/src/player.h b/src/player.h
index 098a4d15..93197d37 100644
--- a/src/player.h
+++ b/src/player.h
@@ -335,7 +335,7 @@ public:
 	RemotePlayer(IGameDef *gamedef): Player(gamedef), m_sao(0) {}
 	virtual ~RemotePlayer() {}
 
-	void save(const std::string &savedir);
+	void save(std::string savedir);
 
 	PlayerSAO *getPlayerSAO()
 	{ return m_sao; }