Various grammar fixes and enhanced readability

src/main/java/io/github/znetworkw/znpcservers/commands/Command.java

@@ -19,7 +19,7 @@ public class Command extends BukkitCommand {
         try {
             COMMAND_MAP = (CommandMap) CacheRegistry.BUKKIT_COMMAND_MAP.load().get(Bukkit.getServer());
         } catch (IllegalAccessException exception) {
-            throw new IllegalStateException("can't access bukkit command map.");
+            throw new IllegalStateException("Unable to register Bukkit command map.");
         }
     }
 
@@ -69,17 +69,17 @@ public class Command extends BukkitCommand {
     public boolean execute(CommandSender sender, String commandLabel, String[] args) {
         Optional<Map.Entry<CommandInformation, CommandInvoker>> subCommandOptional = this.subCommands.entrySet().stream().filter(command -> command.getKey().name().contentEquals((args.length > 0) ? args[0] : "")).findFirst();
         if (subCommandOptional.isEmpty()) {
-            sender.sendMessage(ChatColor.RED + "can't find command: " + commandLabel + ".");
+            sender.sendMessage(ChatColor.RED + "Unable to locate the following command: " + commandLabel + ".");
             return false;
         }
         try {
             Map.Entry<CommandInformation, CommandInvoker> subCommand = subCommandOptional.get();
             subCommand.getValue().execute(new io.github.znetworkw.znpcservers.commands.CommandSender(sender), loadArgs(subCommand.getKey(), Arrays.asList(args)));
         } catch (CommandExecuteException e) {
-            sender.sendMessage(ChatColor.RED + "can't execute command.");
+            sender.sendMessage(ChatColor.RED + "Cannot execute this command or this command execution has failed.");
             e.printStackTrace();
         } catch (CommandPermissionException e) {
-            sender.sendMessage(ChatColor.RED + "no permission for run this command.");
+            sender.sendMessage(ChatColor.RED + "You do not have permission to execute this command.");
         }
         return true;
     }

src/main/java/io/github/znetworkw/znpcservers/commands/CommandInvoker.java

@@ -18,7 +18,7 @@ public class CommandInvoker {
             throw new CommandPermissionException("Only players may execute this command.");
         }
         if (this.permission.length() > 0 && !sender.getCommandSender().hasPermission(this.permission)) {
-            throw new CommandPermissionException("Insufficient permission.");
+            throw new CommandPermissionException("You cannot execute this command.");
         }
         try {
             this.commandMethod.invoke(this.command, sender, command);

src/main/java/io/github/znetworkw/znpcservers/commands/CommandSender.java

@@ -51,7 +51,7 @@ public class CommandSender {
 
     public Player getPlayer() {
         if (this.type != SenderType.PLAYER)
-            throw new IllegalStateException("sender is not a player.");
+            throw new IllegalStateException("The following sender is not a player.");
         return (Player) getCommandSender();
     }
 

src/main/java/io/github/znetworkw/znpcservers/commands/list/DefaultCommand.java

@@ -47,15 +47,15 @@ public class DefaultCommand extends Command {
     @CommandInformation(arguments = {}, name = "", permission = "")
     public void defaultCommand(CommandSender sender, Map<String, String> args) {
         sender.sendMessage("&6&m------------------------------------------");
-        sender.sendMessage("&b&lZNPCS &8\u00BB &7ZNetwork");
+        sender.sendMessage("&b&lZNPCS &8\u00BB &7ZNetwork & Pyr");
-        sender.sendMessage("&6https://www.spigotmc.org/resources/znpcs.80940");
+        sender.sendMessage("&6https://www.spigotmc.org/resources/znpcsplus.109380/");
         Objects.requireNonNull(sender);
         getCommands().forEach(sender::sendMessage);
-        sender.sendMessage(ChatColor.DARK_GRAY + "Hover over the commands to see help for the command.");
+        sender.sendMessage(ChatColor.DARK_GRAY + "Hover over the commands to view command arguments.");
         sender.sendMessage("&6&m------------------------------------------");
     }
 
-    @CommandInformation(arguments = {"id", "type", "name"}, name = "create", permission = "znpcs.cmd.create", help = {" &f&l* &e/znpcs create <npc_id> PLAYER Qentin"})
+    @CommandInformation(arguments = {"id", "type", "name"}, name = "create", permission = "znpcs.cmd.create", help = {" &f&l* &e/znpcs create <npc_id> PLAYER Steve"})
     public void createNPC(CommandSender sender, Map<String, String> args) {
         if (args.size() < 3) {
             Configuration.MESSAGES.sendMessage(sender.getCommandSender(), ConfigurationValue.INCORRECT_USAGE);
@@ -116,7 +116,7 @@ public class DefaultCommand extends Command {
                 TextComponent textComponent2 = new TextComponent("[TELEPORT]");
                 textComponent2.setBold(true);
                 textComponent2.setColor(ChatColor.DARK_GREEN);
-                textComponent2.setHoverEvent(new HoverEvent(HoverEvent.Action.SHOW_TEXT, (new ComponentBuilder("Click to teleport this npc!"))
+                textComponent2.setHoverEvent(new HoverEvent(HoverEvent.Action.SHOW_TEXT, (new ComponentBuilder("Click to teleport this NPC!"))
 
                         .color(ChatColor.GREEN).create()));
                 textComponent2.setClickEvent(new ClickEvent(ClickEvent.Action.RUN_COMMAND, "/znpcs teleport " + npcModel
@@ -126,7 +126,7 @@ public class DefaultCommand extends Command {
                 TextComponent textComponent3 = new TextComponent("[DELETE]");
                 textComponent3.setBold(true);
                 textComponent3.setColor(ChatColor.DARK_RED);
-                textComponent3.setHoverEvent(new HoverEvent(HoverEvent.Action.SHOW_TEXT, (new ComponentBuilder("Click to delete this npc!"))
+                textComponent3.setHoverEvent(new HoverEvent(HoverEvent.Action.SHOW_TEXT, (new ComponentBuilder("Click to delete this NPC!"))
 
                         .color(ChatColor.RED).create()));
                 textComponent3.setClickEvent(new ClickEvent(ClickEvent.Action.RUN_COMMAND, "/znpcs delete " + npcModel
@@ -158,7 +158,7 @@ public class DefaultCommand extends Command {
         DO_APPLY_SKIN.apply(sender.getPlayer(), foundNPC, args.get("skin"));
     }
 
-    @CommandInformation(arguments = {"id", "slot"}, name = "equip", permission = "znpcs.cmd.equip", help = {" &f&l* &e/znpcs equip <npc_id> [HAND,OFFHAND,HELMET,CHESTPLATE,LEGGINGS,BOOTS]", "&8(You need to have the item in your hand.)"})
+    @CommandInformation(arguments = {"id", "slot"}, name = "equip", permission = "znpcs.cmd.equip", help = {" &f&l* &e/znpcs equip <npc_id> [HAND/OFFHAND/HELMET/CHESTPLATE/LEGGINGS/BOOTS]", "&8(You need to have the item in your hand)."})
     public void equip(CommandSender sender, Map<String, String> args) {
         if (args.size() < 2) {
             Configuration.MESSAGES.sendMessage(sender.getCommandSender(), ConfigurationValue.INCORRECT_USAGE);
@@ -251,7 +251,7 @@ public class DefaultCommand extends Command {
         Configuration.MESSAGES.sendMessage(sender.getCommandSender(), ConfigurationValue.SUCCESS);
     }
 
-    @CommandInformation(arguments = {"add", "remove", "cooldown", "list"}, name = "action", isMultiple = true, permission = "znpcs.cmd.action", help = {" &f&l* &e/znpcs action add <npc_id> SERVER skywars", " &f&l* &e/znpcs action add <npc_id> CMD spawn", " &f&l* &e/znpcs action remove <npc_id> <action_id>", " &f&l* &e/znpcs action cooldown <npc_id> <action_id> <delay_in_seconds>", " &f&l* &e/znpcs action list <npc_id>"})
+    @CommandInformation(arguments = {"add", "remove", "cooldown", "list"}, name = "action", isMultiple = true, permission = "znpcs.cmd.action", help = {" &f&l* &e/znpcs action add <npc_id> SERVER survival", " &f&l* &e/znpcs action add <npc_id> CMD spawn", " &f&l* &e/znpcs action remove <npc_id> <action_id>", " &f&l* &e/znpcs action cooldown <npc_id> <action_id> <delay_in_seconds>", " &f&l* &e/znpcs action list <npc_id>"})
     public void action(CommandSender sender, Map<String, String> args) {
         if (args.size() < 1) {
             Configuration.MESSAGES.sendMessage(sender.getCommandSender(), ConfigurationValue.INCORRECT_USAGE);
@@ -445,7 +445,7 @@ public class DefaultCommand extends Command {
                 return;
             }
             if (znpcUser.isHasPath()) {
-                sender.getPlayer().sendMessage(ChatColor.RED + "You already have a path creator active, to remove it use /znpcs path exit.");
+                sender.getPlayer().sendMessage(ChatColor.RED + "You already have a path creator active! To remove it, type " + ChatColor.WHITE + "/znpcs path exit" + ChatColor.RED + ".");
                 return;
             }
             NPCPath.AbstractTypeWriter.forCreation(pathName, znpcUser, NPCPath.AbstractTypeWriter.TypeWriter.MOVEMENT);
@@ -481,7 +481,7 @@ public class DefaultCommand extends Command {
         sender.getPlayer().teleport(foundNPC.getLocation());
     }
 
-    @CommandInformation(arguments = {"id", "height"}, name = "height", permission = "znpcs.cmd.height", help = {" &f&l* &e/znpcs height <npc_id> 2", "&8Add more height to the hologram of the npc"})
+    @CommandInformation(arguments = {"id", "height"}, name = "height", permission = "znpcs.cmd.height", help = {" &f&l* &e/znpcs height <npc_id> 2", "&8Set a greater or lesser distance of a hologram from the NPC."})
     public void changeHologramHeight(CommandSender sender, Map<String, String> args) {
         if (args.size() < 2) {
             Configuration.MESSAGES.sendMessage(sender.getCommandSender(), ConfigurationValue.INCORRECT_USAGE);
@@ -507,7 +507,7 @@ public class DefaultCommand extends Command {
         Configuration.MESSAGES.sendMessage(sender.getCommandSender(), ConfigurationValue.SUCCESS);
     }
 
-    @CommandInformation(arguments = {"create", "remove", "gui", "set"}, name = "conversation", isMultiple = true, permission = "znpcs.cmd.conversation", help = {" &f&l* &e/znpcs conversation create first", " &f&l* &e/znpcs conversation remove first", " &f&l* &e/znpcs conversation set <npc_id> first [CLICK:RADIUS]", " &f&l* &e/znpcs conversation gui &8(&7Open a gui to manage the conversations&8)", "&8RADIUS: &7it is activated when the player is near the npc", "&8CLICK: &7it is activated when the player interacts with the npc"})
+    @CommandInformation(arguments = {"create", "remove", "gui", "set"}, name = "conversation", isMultiple = true, permission = "znpcs.cmd.conversation", help = {" &f&l* &e/znpcs conversation create first", " &f&l* &e/znpcs conversation remove first", " &f&l* &e/znpcs conversation set <npc_id> first [CLICK/RADIUS]", " &f&l* &e/znpcs conversation gui &8(&7Opens a GUI to manage conversations&8)", "&8RADIUS: &7Activates when the player is near the NPC", "&8CLICK: &7Activates when the player interacts with the NPC"})
     public void conversations(CommandSender sender, Map<String, String> args) {
         if (args.size() < 1) {
             Configuration.MESSAGES.sendMessage(sender.getCommandSender(), ConfigurationValue.INCORRECT_USAGE);

src/main/java/io/github/znetworkw/znpcservers/commands/list/inventory/ConversationGUI.java

@@ -119,7 +119,7 @@ public class ConversationGUI extends ZInventory {
                     });
                 }
                 this.addItem(ItemStackBuilder.forMaterial(Material.EMERALD).setName(ChatColor.AQUA + "ADD A NEW ACTION").setLore("&7click here...").build(), this.getRows() - 5, clickEvent -> {
-                    Utils.sendTitle(this.getPlayer(), "&d&lADD ACTION", "&7Type the action...");
+                    Utils.sendTitle(this.getPlayer(), "&d&lADD ACTION", "&7Type the new action...");
                     EventService.addService(ZUser.find(this.getPlayer()), AsyncPlayerChatEvent.class).addConsumer(event -> {
                         if (ConfigurationConstants.NPC_CONVERSATIONS.contains(this.conversation) && this.conversation.getTexts().contains(this.conversationKey)) {
                             List<String> stringList = SPACE_SPLITTER.splitToList(event.getMessage());

src/main/java/io/github/znetworkw/znpcservers/configuration/Configuration.java

@@ -34,7 +34,7 @@ public class Configuration {
     }
 
     private Configuration(String name, Path path) {
-        if (!path.getFileName().toString().endsWith(".json")) throw new IllegalStateException("invalid configuration format for: " + path.getFileName());
+        if (!path.getFileName().toString().endsWith(".json")) throw new IllegalStateException("Invalid configuration format for: " + path.getFileName());
         this.name = name;
         this.path = path;
         this.configurationValues = ConfigurationValue.VALUES_BY_NAME.get(name).stream().collect(Collectors.toMap((c) -> c, ConfigurationValue::getValue));
@@ -54,7 +54,7 @@ public class Configuration {
             }
         } catch (NoSuchFileException ignored) {
         } catch (IOException ex) {
-            throw new IllegalStateException("Failed to read config: " + this.name);
+            throw new IllegalStateException("Failed to read configuration: " + this.name);
         }
     }
 
@@ -62,7 +62,7 @@ public class Configuration {
         try (Writer writer = Files.newBufferedWriter(this.path, CHARSET)) {
             ZNPCsPlus.GSON.toJson(this.configurationValues.size() == 1 ? this.configurationValues.values().iterator().next() : this.configurationValues, writer);
         } catch (IOException ex) {
-            throw new IllegalStateException("Failed to save config: " + this.name);
+            throw new IllegalStateException("Failed to save configuration: " + this.name);
         }
     }