Simplify player modification checks

src/client.cpp

@@ -270,9 +270,7 @@ Client::Client(
 		Add local player
 	*/
 	{
-		Player *player = new LocalPlayer(this);
-
-		player->updateName(playername);
+		Player *player = new LocalPlayer(this, playername);
 
 		m_env.addPlayer(player);
 	}

src/environment.cpp

@@ -449,11 +449,11 @@ Player *ServerEnvironment::loadPlayer(const std::string &playername)
 	bool newplayer = false;
 	bool found = false;
 	if (!player) {
-		player = new RemotePlayer(m_gamedef);
+		player = new RemotePlayer(m_gamedef, playername.c_str());
 		newplayer = true;
 	}
 
-	RemotePlayer testplayer(m_gamedef);
+	RemotePlayer testplayer(m_gamedef, "");
 	std::string path = players_path + playername;
 	for (u32 i = 0; i < PLAYER_FILE_ALTERNATE_TRIES; i++) {
 		// Open file and deserialize

src/localplayer.cpp

@@ -33,8 +33,8 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 	LocalPlayer
 */
 
-LocalPlayer::LocalPlayer(IGameDef *gamedef):
-	Player(gamedef),
+LocalPlayer::LocalPlayer(IGameDef *gamedef, const char *name):
+	Player(gamedef, name),
 	parent(0),
 	isAttached(false),
 	overridePosition(v3f(0,0,0)),

src/localplayer.h

@@ -32,7 +32,7 @@ enum LocalPlayerAnimations {NO_ANIM, WALK_ANIM, DIG_ANIM, WD_ANIM};  // no local
 class LocalPlayer : public Player
 {
 public:
-	LocalPlayer(IGameDef *gamedef);
+	LocalPlayer(IGameDef *gamedef, const char *name);
 	virtual ~LocalPlayer();
 
 	bool isLocal() const

src/player.cpp

@@ -28,8 +28,10 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 #include "content_sao.h"
 #include "filesys.h"
 #include "log.h"
+#include "porting.h"  // strlcpy
 
-Player::Player(IGameDef *gamedef):
+
+Player::Player(IGameDef *gamedef, const char *name):
 	touching_ground(false),
 	in_liquid(false),
 	in_liquid_stable(false),
@@ -52,20 +54,16 @@ Player::Player(IGameDef *gamedef):
 	m_speed(0,0,0),
 	m_position(0,0,0),
 	m_collisionbox(-BS*0.30,0.0,-BS*0.30,BS*0.30,BS*1.75,BS*0.30),
-	m_last_pitch(0),
-	m_last_yaw(0),
-	m_last_pos(0,0,0),
-	m_last_hp(PLAYER_MAX_HP),
-	m_last_inventory(gamedef->idef())
+	m_dirty(false)
 {
-	updateName("<not set>");
+	strlcpy(m_name, name, PLAYERNAME_SIZE);
+
 	inventory.clear();
 	inventory.addList("main", PLAYER_INVENTORY_SIZE);
 	InventoryList *craft = inventory.addList("craft", 9);
 	craft->setWidth(3);
 	inventory.addList("craftpreview", 1);
 	inventory.addList("craftresult", 1);
-	m_last_inventory = inventory;
 
 	// Can be redefined via Lua
 	inventory_formspec = "size[8,7.5]"
@@ -207,7 +205,7 @@ void Player::deSerialize(std::istream &is, std::string playername)
 
 	//args.getS32("version"); // Version field value not used
 	std::string name = args.get("name");
-	updateName(name.c_str());
+	strlcpy(m_name, name.c_str(), PLAYERNAME_SIZE);
 	setPitch(args.getFloat("pitch"));
 	setYaw(args.getFloat("yaw"));
 	setPosition(args.getV3F("position"));
@@ -238,8 +236,7 @@ void Player::deSerialize(std::istream &is, std::string playername)
 		}
 	}
 
-	// Set m_last_*
-	checkModified();
+	m_dirty = false;
 }
 
 u32 Player::addHud(HudElement *toadd)
@@ -290,7 +287,7 @@ void RemotePlayer::save(std::string savedir)
 	 */
 
 	// A player to deserialize files into to check their names
-	RemotePlayer testplayer(m_gamedef);
+	RemotePlayer testplayer(m_gamedef, "");
 
 	savedir += DIR_DELIM;
 	std::string path = savedir + m_name;
@@ -302,6 +299,7 @@ void RemotePlayer::save(std::string savedir)
 			if (!fs::safeWriteToFile(path, ss.str())) {
 				infostream << "Failed to write " << path << std::endl;
 			}
+			m_dirty = false;
 			return;
 		}
 		// Open file and deserialize
@@ -319,6 +317,7 @@ void RemotePlayer::save(std::string savedir)
 			if (!fs::safeWriteToFile(path, ss.str())) {
 				infostream << "Failed to write " << path << std::endl;
 			}
+			m_dirty = false;
 			return;
 		}
 		path = savedir + m_name + itos(i);

src/player.h

@@ -95,7 +95,7 @@ class Player
 {
 public:
 
-	Player(IGameDef *gamedef);
+	Player(IGameDef *gamedef, const char *name);
 	virtual ~Player() = 0;
 
 	virtual void move(f32 dtime, Environment *env, f32 pos_max_d)
@@ -142,16 +142,19 @@ public:
 
 	virtual void setPosition(const v3f &position)
 	{
+		m_dirty = true;
 		m_position = position;
 	}
 
 	void setPitch(f32 pitch)
 	{
+		m_dirty = true;
 		m_pitch = pitch;
 	}
 
 	virtual void setYaw(f32 yaw)
 	{
+		m_dirty = true;
 		m_yaw = yaw;
 	}
 
@@ -172,6 +175,7 @@ public:
 
 	virtual void setBreath(u16 breath)
 	{
+		m_dirty = true;
 		m_breath = breath;
 	}
 
@@ -185,11 +189,6 @@ public:
 		return (m_yaw + 90.) * core::DEGTORAD;
 	}
 
-	void updateName(const char *name)
-	{
-		snprintf(m_name, PLAYERNAME_SIZE, "%s", name);
-	}
-
 	const char * getName() const
 	{
 		return m_name;
@@ -225,19 +224,7 @@ public:
 
 	bool checkModified()
 	{
-		if(m_last_hp != hp || m_last_pitch != m_pitch ||
-				m_last_pos != m_position || m_last_yaw != m_yaw ||
-				!(inventory == m_last_inventory))
-		{
-			m_last_hp = hp;
-			m_last_pitch = m_pitch;
-			m_last_pos = m_position;
-			m_last_yaw = m_yaw;
-			m_last_inventory = inventory;
-			return true;
-		} else {
-			return false;
-		}
+		return m_dirty;
 	}
 
 	bool touching_ground;
@@ -316,11 +303,7 @@ protected:
 	v3f m_position;
 	core::aabbox3d<f32> m_collisionbox;
 
-	f32 m_last_pitch;
-	f32 m_last_yaw;
-	v3f m_last_pos;
-	u16 m_last_hp;
-	Inventory m_last_inventory;
+	bool m_dirty;
 
 	std::vector<HudElement *> hud;
 };
@@ -332,7 +315,10 @@ protected:
 class RemotePlayer : public Player
 {
 public:
-	RemotePlayer(IGameDef *gamedef): Player(gamedef), m_sao(0) {}
+	RemotePlayer(IGameDef *gamedef, const char *name):
+		Player(gamedef, name),
+		m_sao(NULL)
+	{}
 	virtual ~RemotePlayer() {}
 
 	void save(std::string savedir);

src/server.cpp

@@ -5038,8 +5038,7 @@ PlayerSAO* Server::emergePlayer(const char *name, u16 peer_id)
 	// Create player if it doesn't exist
 	if (!player) {
 		newplayer = true;
-		player = new RemotePlayer(this);
-		player->updateName(name);
+		player = new RemotePlayer(this, name);
 		/* Set player position */
 		infostream<<"Server: Finding spawn place for player \""
 				<<name<<"\""<<std::endl;