Prepare getKeepAliveTime method for MCAccess.

No implementation of it yet. If implemented this will help finding
players that do a passive god-mode.

NCPCompat/src/main/java/fr/neatmonster/nocheatplus/compat/MCAccess.java

@@ -127,5 +127,12 @@ public interface MCAccess {
 	 * @param i
 	 */
 	public void setDead(Player player, int deathTicks);
+	
+	/**
+	 * Get timestamp of the keep-alive field (not only updated on keep-alive packets).
+	 * @param player The player for which to get the time.
+	 * @return Long.MIN_VALUE if not possible.
+	 */
+	public long getKeepAliveTime(Player player);
 		
 }

NCPCompat/src/main/java/fr/neatmonster/nocheatplus/compat/bukkit/MCAccessBukkit.java

@@ -166,5 +166,11 @@ public class MCAccessBukkit implements MCAccess, BlockPropertiesSetup{
 			}
 		}
 	}
+
+	@Override
+	public long getKeepAliveTime(final Player player) {
+		// TODO: Implement if possible.
+		return Long.MIN_VALUE;
+	}
 	
 }

NCPCompatCB2511/src/main/java/fr/neatmonster/nocheatplus/compat/cb2511/MCAccessCB2511.java

@@ -153,5 +153,11 @@ public class MCAccessCB2511 implements MCAccess {
         mcPlayer.deathTicks = deathTicks;
         mcPlayer.dead = true;
 	}
+	
+	@Override
+	public long getKeepAliveTime(final Player player) {
+		// TODO: Implement if possible.
+		return Long.MIN_VALUE;
+	}
 
 }

NCPCompatCB2512/src/main/java/fr/neatmonster/nocheatplus/compat/cb2512/MCAccessCB2512.java

@@ -153,4 +153,10 @@ public class MCAccessCB2512 implements MCAccess{
         mcPlayer.dead = true;
 	}
 	
+	@Override
+	public long getKeepAliveTime(final Player player) {
+		// TODO: Implement if possible.
+		return Long.MIN_VALUE;
+	}
+	
 }

NCPCompatCB2545/src/main/java/fr/neatmonster/nocheatplus/compat/cb2545/MCAccessCB2545.java

@@ -153,4 +153,10 @@ public class MCAccessCB2545 implements MCAccess{
         mcPlayer.dead = true;
 	}
 	
+	@Override
+	public long getKeepAliveTime(final Player player) {
+		// TODO: Implement if possible.
+		return Long.MIN_VALUE;
+	}
+	
 }

NCPCompatCBDev/src/main/java/fr/neatmonster/nocheatplus/compat/cbdev/MCAccessCBDev.java

@@ -154,4 +154,10 @@ public class MCAccessCBDev implements MCAccess{
         mcPlayer.dead = true;
 	}
 	
+	@Override
+	public long getKeepAliveTime(final Player player) {
+		// TODO: Implement if possible.
+		return Long.MIN_VALUE;
+	}
+	
 }