3 files changed, 181 insertions, 229 deletions

diff --git a/src/Entities/Minecart.cpp b/src/Entities/Minecart.cpp
index d4eadc5d5..21c58fdba 100644
--- a/src/Entities/Minecart.cpp
+++ b/src/Entities/Minecart.cpp
@@ -871,11 +871,101 @@ bool cMinecart::TestEntityCollision(NIBBLETYPE a_RailMeta)
 			return true;
 		}
 		case E_META_RAIL_CURVED_ZM_XM:
+		case E_META_RAIL_CURVED_ZP_XP:
+		{
+			Vector3d Distance = MinecartCollisionCallback.GetCollidedEntityPosition() - Vector3d(GetPosX(), 0, GetPosZ());
+
+			// Prevent division by small numbers
+			if (abs(Distance.z) < 0.001)
+			{
+				Distance.z = 0.001;
+			}
+
+			/* Check to which side the minecart is to be pushed.
+			Let's consider a z-x-coordinate system where the minecart is the center (0/0).
+			The minecart moves along the line x = -z, the perpendicular line to this is x = z.
+			In order to decide to which side the minecart is to be pushed, it must be checked on what side of the perpendicular line the pushing entity is located. */
+			if (
+				((Distance.z > 0) && ((Distance.x / Distance.z) >= 1)) ||
+				((Distance.z < 0) && ((Distance.x / Distance.z) <= 1))
+			)
+			{
+				// Moving -X +Z
+				if ((-GetSpeedX() * 0.4 / sqrt(2)) < 0.01)
+				{
+					// ~ SpeedX >= 0 Immobile or not moving in the "right" direction. Give it a bump!
+					AddSpeedX(-4 / sqrt(2));
+					AddSpeedZ(4 / sqrt(2));
+				}
+				else
+				{
+					// ~ SpeedX < 0 Moving in the "right" direction. Only accelerate it a bit.
+					SetSpeedX(GetSpeedX() * 0.4 / sqrt(2));
+					SetSpeedZ(GetSpeedZ() * 0.4 / sqrt(2));
+				}
+			}
+			else if ((GetSpeedX() * 0.4 / sqrt(2)) < 0.01)
+			{
+				// Moving +X -Z
+				// ~ SpeedX <= 0 Immobile or not moving in the "right" direction
+				AddSpeedX(4 / sqrt(2));
+				AddSpeedZ(-4 / sqrt(2));
+			}
+			else
+			{
+				// ~ SpeedX > 0 Moving in the "right" direction
+				SetSpeedX(GetSpeedX() * 0.4 / sqrt(2));
+				SetSpeedZ(GetSpeedZ() * 0.4 / sqrt(2));
+			}
+			break;
+		}
 		case E_META_RAIL_CURVED_ZM_XP:
 		case E_META_RAIL_CURVED_ZP_XM:
-		case E_META_RAIL_CURVED_ZP_XP:
 		{
-			// TODO - simply can't be bothered right now
+			Vector3d Distance = MinecartCollisionCallback.GetCollidedEntityPosition() - Vector3d(GetPosX(), 0, GetPosZ());
+
+			// Prevent division by small numbers
+			if (abs(Distance.z) < 0.001)
+			{
+				Distance.z = 0.001;
+			}
+
+			/* Check to which side the minecart is to be pushed.
+			Let's consider a z-x-coordinate system where the minecart is the center (0/0).
+			The minecart moves along the line x = z, the perpendicular line to this is x = -z.
+			In order to decide to which side the minecart is to be pushed, it must be checked on what side of the perpendicular line the pushing entity is located. */
+			if (
+				((Distance.z > 0) && ((Distance.x / Distance.z) <= -1)) ||
+				((Distance.z < 0) && ((Distance.x / Distance.z) >= -1))
+			)
+			{
+				// Moving +X +Z
+				if ((GetSpeedX() * 0.4) < 0.01)
+				{
+					// ~ SpeedX <= 0 Immobile or not moving in the "right" direction
+					AddSpeedX(4 / sqrt(2));
+					AddSpeedZ(4 / sqrt(2));
+				}
+				else
+				{
+					// ~ SpeedX > 0 Moving in the "right" direction
+					SetSpeedX(GetSpeedX() * 0.4 / sqrt(2));
+					SetSpeedZ(GetSpeedZ() * 0.4 / sqrt(2));
+				}
+			}
+			else if ((-GetSpeedX() * 0.4) < 0.01)
+			{
+				// Moving -X -Z
+				// ~ SpeedX >= 0 Immobile or not moving in the "right" direction
+				AddSpeedX(-4 / sqrt(2));
+				AddSpeedZ(-4 / sqrt(2));
+			}
+			else
+			{
+				// ~ SpeedX < 0 Moving in the "right" direction
+				SetSpeedX(GetSpeedX() * 0.4 / sqrt(2));
+				SetSpeedZ(GetSpeedZ() * 0.4 / sqrt(2));
+			}
 			break;
 		}
 		default: break;
diff --git a/src/Entities/Player.cpp b/src/Entities/Player.cpp
index 32290885d..b0dd40615 100644
--- a/src/Entities/Player.cpp
+++ b/src/Entities/Player.cpp
@@ -10,8 +10,6 @@
 #include "../Bindings/PluginManager.h"
 #include "../BlockEntities/BlockEntity.h"
 #include "../BlockEntities/EnderChestEntity.h"
-#include "../GroupManager.h"
-#include "../Group.h"
 #include "../Root.h"
 #include "../OSSupport/Timer.h"
 #include "../Chunk.h"
@@ -59,7 +57,6 @@ cPlayer::cPlayer(cClientHandle* a_Client, const AString & a_PlayerName) :
 	m_EnderChestContents(9, 3),
 	m_CurrentWindow(NULL),
 	m_InventoryWindow(NULL),
-	m_Color('-'),
 	m_GameMode(eGameMode_NotSet),
 	m_IP(""),
 	m_ClientHandle(a_Client),
@@ -1367,48 +1364,6 @@ void cPlayer::SetVisible(bool a_bVisible)
 
 
 
-void cPlayer::AddToGroup( const AString & a_GroupName)
-{
-	cGroup* Group = cRoot::Get()->GetGroupManager()->GetGroup( a_GroupName);
-	m_Groups.push_back( Group);
-	LOGD("Added %s to group %s", GetName().c_str(), a_GroupName.c_str());
-	ResolveGroups();
-	ResolvePermissions();
-}
-
-
-
-
-
-void cPlayer::RemoveFromGroup( const AString & a_GroupName)
-{
-	bool bRemoved = false;
-	for (GroupList::iterator itr = m_Groups.begin(); itr != m_Groups.end(); ++itr)
-	{
-		if ((*itr)->GetName().compare(a_GroupName) == 0)
-		{
-			m_Groups.erase( itr);
-			bRemoved = true;
-			break;
-		}
-	}
-
-	if (bRemoved)
-	{
-		LOGD("Removed %s from group %s", GetName().c_str(), a_GroupName.c_str());
-		ResolveGroups();
-		ResolvePermissions();
-	}
-	else
-	{
-		LOGWARN("Tried to remove %s from group %s but was not in that group", GetName().c_str(), a_GroupName.c_str());
-	}
-}
-
-
-
-
-
 bool cPlayer::HasPermission(const AString & a_Permission)
 {
 	if (a_Permission.empty())
@@ -1417,33 +1372,18 @@ bool cPlayer::HasPermission(const AString & a_Permission)
 		return true;
 	}
 	
-	AStringVector Split = StringSplit( a_Permission, ".");
-	PermissionMap Possibilities = m_ResolvedPermissions;
-	// Now search the namespaces
-	while (Possibilities.begin() != Possibilities.end())
+	AStringVector Split = StringSplit(a_Permission, ".");
+
+	// Iterate over all granted permissions; if any matches, then return success:
+	for (AStringVectorVector::const_iterator itr = m_SplitPermissions.begin(), end = m_SplitPermissions.end(); itr != end; ++itr)
 	{
-		PermissionMap::iterator itr = Possibilities.begin();
-		if (itr->second)
+		if (PermissionMatches(Split, *itr))
 		{
-			AStringVector OtherSplit = StringSplit( itr->first, ".");
-			if (OtherSplit.size() <= Split.size())
-			{
-				unsigned int i;
-				for (i = 0; i < OtherSplit.size(); ++i)
-				{
-					if (OtherSplit[i].compare( Split[i]) != 0)
-					{
-						if (OtherSplit[i].compare("*") == 0) return true;  // WildCard man!! WildCard!
-						break;
-					}
-				}
-				if (i == Split.size()) return true;
-			}
+			return true;
 		}
-		Possibilities.erase( itr);
-	}
+	}  // for itr - m_SplitPermissions[]
 
-	// Nothing that matched :(
+	// No granted permission matches
 	return false;
 }
 
@@ -1451,82 +1391,35 @@ bool cPlayer::HasPermission(const AString & a_Permission)
 
 
 
-bool cPlayer::IsInGroup( const AString & a_Group)
+bool cPlayer::PermissionMatches(const AStringVector & a_Permission, const AStringVector & a_Template)
 {
-	for (GroupList::iterator itr = m_ResolvedGroups.begin(); itr != m_ResolvedGroups.end(); ++itr)
+	// Check the sub-items if they are the same or there's a wildcard:
+	size_t lenP = a_Permission.size();
+	size_t lenT = a_Template.size();
+	size_t minLen = std::min(lenP, lenT);
+	for (size_t i = 0; i < minLen; i++)
 	{
-		if (a_Group.compare( (*itr)->GetName().c_str()) == 0)
+		if (a_Template[i] == "*")
+		{
+			// Has matched so far and now there's a wildcard in the template, so the permission matches:
 			return true;
-	}
-	return false;
-}
-
-
-
-
-
-void cPlayer::ResolvePermissions()
-{
-	m_ResolvedPermissions.clear();  // Start with an empty map
-
-	// Copy all player specific permissions into the resolved permissions map
-	for (PermissionMap::iterator itr = m_Permissions.begin(); itr != m_Permissions.end(); ++itr)
-	{
-		m_ResolvedPermissions[ itr->first ] = itr->second;
-	}
-
-	for (GroupList::iterator GroupItr = m_ResolvedGroups.begin(); GroupItr != m_ResolvedGroups.end(); ++GroupItr)
-	{
-		const cGroup::PermissionMap & Permissions = (*GroupItr)->GetPermissions();
-		for (cGroup::PermissionMap::const_iterator itr = Permissions.begin(); itr != Permissions.end(); ++itr)
+		}
+		if (a_Permission[i] != a_Template[i])
 		{
-			m_ResolvedPermissions[ itr->first ] = itr->second;
+			// Found a mismatch
+			return false;
 		}
 	}
-}
-
-
 
-
-
-void cPlayer::ResolveGroups()
-{
-	// Clear resolved groups first
-	m_ResolvedGroups.clear();
-
-	// Get a complete resolved list of all groups the player is in
-	std::map< cGroup*, bool > AllGroups;  // Use a map, because it's faster than iterating through a list to find duplicates
-	GroupList ToIterate;
-	for (GroupList::iterator GroupItr = m_Groups.begin(); GroupItr != m_Groups.end(); ++GroupItr)
+	// So far all the sub-items have matched
+	// If the sub-item count is the same, then the permission matches:
+	if (lenP == lenT)
 	{
-		ToIterate.push_back( *GroupItr);
-	}
-	while (ToIterate.begin() != ToIterate.end())
-	{
-		cGroup* CurrentGroup = *ToIterate.begin();
-		if (AllGroups.find( CurrentGroup) != AllGroups.end())
-		{
-			LOGWARNING("ERROR: Player \"%s\" is in the group multiple times (\"%s\"). Please fix your settings in users.ini!",
-				GetName().c_str(), CurrentGroup->GetName().c_str()
-			);
-		}
-		else
-		{
-			AllGroups[ CurrentGroup ] = true;
-			m_ResolvedGroups.push_back( CurrentGroup);  // Add group to resolved list
-			const cGroup::GroupList & Inherits = CurrentGroup->GetInherits();
-			for (cGroup::GroupList::const_iterator itr = Inherits.begin(); itr != Inherits.end(); ++itr)
-			{
-				if (AllGroups.find( *itr) != AllGroups.end())
-				{
-					LOGERROR("ERROR: Player %s is in the same group multiple times due to inheritance (%s). FIX IT!", GetName().c_str(), (*itr)->GetName().c_str());
-					continue;
-				}
-				ToIterate.push_back( *itr);
-			}
-		}
-		ToIterate.erase( ToIterate.begin());
+		return true;
 	}
+
+	// There are more sub-items in either the permission or the template, not a match:
+	return false;
 }
 
 
@@ -1535,17 +1428,14 @@ void cPlayer::ResolveGroups()
 
 AString cPlayer::GetColor(void) const
 {
-	if (m_Color != '-')
+	if (m_MsgNameColorCode.empty() || (m_MsgNameColorCode == "-"))
 	{
-		return cChatColor::Delimiter + m_Color;
+		// Color has not been assigned, return an empty string:
+		return AString();
 	}
 
-	if (m_Groups.size() < 1)
-	{
-		return cChatColor::White;
-	}
-
-	return (*m_Groups.begin())->GetColor();
+	// Return the color, including the delimiter:
+	return cChatColor::Delimiter + m_MsgNameColorCode;
 }
 
 
@@ -1661,48 +1551,9 @@ bool cPlayer::DoMoveToWorld(cWorld * a_World, bool a_ShouldSendRespawn)
 
 
 
-void cPlayer::LoadPermissionsFromDisk()
-{
-	m_Groups.clear();
-	m_Permissions.clear();
-
-	cIniFile IniFile;
-	if (IniFile.ReadFile("users.ini"))
-	{
-		AString Groups = IniFile.GetValueSet(GetName(), "Groups", "Default");
-		AStringVector Split = StringSplitAndTrim(Groups, ",");
-
-		for (AStringVector::const_iterator itr = Split.begin(), end = Split.end(); itr != end; ++itr)
-		{
-			if (!cRoot::Get()->GetGroupManager()->ExistsGroup(*itr))
-			{
-				LOGWARNING("The group %s for player %s was not found!", itr->c_str(), GetName().c_str());
-			}
-			AddToGroup(*itr);
-		}
-
-		AString Color = IniFile.GetValue(GetName(), "Color", "-");
-		if (!Color.empty())
-		{
-			m_Color = Color[0];
-		}
-	}
-	else
-	{
-		cGroupManager::GenerateDefaultUsersIni(IniFile);
-		IniFile.AddValue("Groups", GetName(), "Default");
-		AddToGroup("Default");
-	}
-	IniFile.WriteFile("users.ini");
-	ResolvePermissions();
-}
-
-
-
-
 bool cPlayer::LoadFromDisk(cWorldPtr & a_World)
 {
-	LoadPermissionsFromDisk();
+	LoadRank();
 
 	// Load from the UUID file:
 	if (LoadFromFile(GetUUIDFileName(m_UUID), a_World))
@@ -1937,26 +1788,6 @@ bool cPlayer::SaveToDisk()
 
 
 
-cPlayer::StringList cPlayer::GetResolvedPermissions()
-{
-	StringList Permissions;
-
-	const PermissionMap& ResolvedPermissions = m_ResolvedPermissions;
-	for (PermissionMap::const_iterator itr = ResolvedPermissions.begin(); itr != ResolvedPermissions.end(); ++itr)
-	{
-		if (itr->second)
-		{
-			Permissions.push_back( itr->first);
-		}
-	}
-
-	return Permissions;
-}
-
-
-
-
-
 void cPlayer::UseEquippedItem(int a_Amount)
 {
 	if (IsGameModeCreative())  // No damage in creative
@@ -2215,6 +2046,31 @@ void cPlayer::ApplyFoodExhaustionFromMovement()
 
 
 
+void cPlayer::LoadRank(void)
+{
+	// Load the values from cRankManager:
+	cRankManager & RankMgr = cRoot::Get()->GetRankManager();
+	m_Rank = RankMgr.GetPlayerRankName(m_UUID);
+	if (m_Rank.empty())
+	{
+		m_Rank = RankMgr.GetDefaultRank();
+	}
+	m_Permissions = RankMgr.GetPlayerPermissions(m_UUID);
+	RankMgr.GetRankVisuals(m_Rank, m_MsgPrefix, m_MsgSuffix, m_MsgNameColorCode);
+
+	// Break up the individual permissions on each dot, into m_SplitPermissions:
+	m_SplitPermissions.clear();
+	m_SplitPermissions.reserve(m_Permissions.size());
+	for (AStringVector::const_iterator itr = m_Permissions.begin(), end = m_Permissions.end(); itr != end; ++itr)
+	{
+		m_SplitPermissions.push_back(StringSplit(*itr, "."));
+	}  // for itr - m_Permissions[]
+}
+
+
+
+
+
 void cPlayer::Detach()
 {
 	super::Detach();
diff --git a/src/Entities/Player.h b/src/Entities/Player.h
index d3ed1ef9d..9821cc6d9 100644
--- a/src/Entities/Player.h
+++ b/src/Entities/Player.h
@@ -13,7 +13,6 @@
 
 
 
-class cGroup;
 class cWindow;
 class cClientHandle;
 class cTeam;
@@ -236,24 +235,20 @@ public:
 	
 	// tolua_end
 
-	typedef std::list< cGroup* > GroupList;
-	typedef std::list< std::string > StringList;
+	bool HasPermission(const AString & a_Permission);  // tolua_export
 
-	/** Adds a player to existing group or creates a new group when it doesn't exist */
-	void AddToGroup( const AString & a_GroupName);  // tolua_export
-	
-	/** Removes a player from the group, resolves permissions and group inheritance (case sensitive) */
-	void RemoveFromGroup( const AString & a_GroupName);  // tolua_export
-	
-	bool HasPermission( const AString & a_Permission);  // tolua_export
-	const GroupList & GetGroups() { return m_Groups; }  // >> EXPORTED IN MANUALBINDINGS <<
-	StringList GetResolvedPermissions();  // >> EXPORTED IN MANUALBINDINGS <<
-	bool IsInGroup( const AString & a_Group);  // tolua_export
+	/** Returns true iff a_Permission matches the a_Template.
+	A match is defined by either being exactly the same, or each sub-item matches until there's a wildcard in a_Template.
+	Ie. {"a", "b", "c"} matches {"a", "b", "*"} but doesn't match {"a", "b"} */
+	static bool PermissionMatches(const AStringVector & a_Permission, const AStringVector & a_Template);  // Exported in ManualBindings with AString params
+
+	/** Returns all the permissions that the player has assigned to them. */
+	const AStringVector & GetPermissions(void) { return m_Permissions; }  // Exported in ManualBindings.cpp
 
 	// tolua_begin
 	
-	/** Returns the full color code to use for this player, based on their primary group or set in m_Color.
-	The returned value includes the cChatColor::Delimiter. */
+	/** Returns the full color code to use for this player, based on their rank.
+	The returned value either is empty, or includes the cChatColor::Delimiter. */
 	AString GetColor(void) const;
 
 	/** tosses the item in the selected hotbar slot */
@@ -347,8 +342,6 @@ public:
 	*/
 	bool LoadFromFile(const AString & a_FileName, cWorldPtr & a_World);
 	
-	void LoadPermissionsFromDisk(void);  // tolua_export
-
 	const AString & GetLoadedWorldName() { return m_LoadedWorldName; }
 
 	void UseEquippedItem(int a_Amount = 1);
@@ -422,6 +415,11 @@ public:
 	/** Returns the UUID (short format) that has been read from the client, or empty string if not available. */
 	const AString & GetUUID(void) const { return m_UUID; }
 
+	/** (Re)loads the rank and permissions from the cRankManager.
+	Expects the m_UUID member to be valid.
+	Loads the m_Rank, m_Permissions, m_MsgPrefix, m_MsgSuffix and m_MsgNameColorCode members. */
+	void LoadRank(void);
+
 	// tolua_end
 
 	// cEntity overrides:
@@ -432,12 +430,22 @@ public:
 	virtual void Detach(void);
 	
 protected:
-	typedef std::map< std::string, bool > PermissionMap;
-	PermissionMap m_ResolvedPermissions;
-	PermissionMap m_Permissions;
 
-	GroupList m_ResolvedGroups;
-	GroupList m_Groups;
+	typedef std::vector<std::vector<AString> > AStringVectorVector;
+
+	/** The name of the rank assigned to this player. */
+	AString m_Rank;
+
+	/** All the permissions that this player has, based on their rank. */
+	AStringVector m_Permissions;
+
+	/** All the permissions that this player has, based on their rank, split into individual dot-delimited parts.
+	This is used mainly by the HasPermission() function to optimize the lookup. */
+	AStringVectorVector m_SplitPermissions;
+
+	// Message visuals:
+	AString m_MsgPrefix, m_MsgSuffix;
+	AString m_MsgNameColorCode;
 
 	AString m_PlayerName;
 	AString m_LoadedWorldName;
@@ -482,8 +490,6 @@ protected:
 	/** The player's last saved bed position */
 	Vector3i m_LastBedPos;
 
-	char m_Color;
-
 	eGameMode m_GameMode;
 	AString m_IP;