[Bleeding] Added Conversations API. Addresses BUKKIT-864

By: rmichela <deltahat@gmail.com>

paper-server/src/main/java/org/bukkit/craftbukkit/CraftServer.java

@@ -58,6 +58,7 @@ import org.bukkit.command.SimpleCommandMap;
 import org.bukkit.configuration.ConfigurationSection;
 import org.bukkit.configuration.file.YamlConfiguration;
 import org.bukkit.configuration.serialization.ConfigurationSerialization;
+import org.bukkit.conversations.Conversable;
 import org.bukkit.craftbukkit.help.SimpleHelpMap;
 import org.bukkit.craftbukkit.inventory.CraftFurnaceRecipe;
 import org.bukkit.craftbukkit.inventory.CraftInventoryCustom;
@@ -443,7 +444,15 @@ public final class CraftServer implements Server {
     }
 
     // NOTE: Should only be called from MinecraftServer.b()
-    public boolean dispatchCommand(CommandSender sender, ServerCommand serverCommand) {
+    public boolean dispatchServerCommand(CommandSender sender, ServerCommand serverCommand) {
+        if (sender instanceof Conversable) {
+            Conversable conversable = (Conversable)sender;
+
+            if (conversable.isConversing()) {
+                conversable.acceptConversationInput(serverCommand.command);
+                return true;
+            }
+        }
         return dispatchCommand(sender, serverCommand.command);
     }
 

paper-server/src/main/java/org/bukkit/craftbukkit/command/ColouredConsoleSender.java

@@ -42,16 +42,17 @@ public class ColouredConsoleSender extends CraftConsoleCommandSender {
     @Override
     public void sendMessage(String message) {
         if (terminal.isANSISupported()) {
-            String result = message;
+            if (!conversationTracker.isConversingModaly()) {
-
+                String result = message;
-            for (ChatColor color : colors) {
+                for (ChatColor color : colors) {
-                if (replacements.containsKey(color)) {
+                    if (replacements.containsKey(color)) {
-                    result = result.replaceAll(color.toString(), replacements.get(color));
+                        result = result.replaceAll(color.toString(), replacements.get(color));
-                } else {
+                    } else {
-                    result = result.replaceAll(color.toString(), "");
+                        result = result.replaceAll(color.toString(), "");
+                    }
                 }
+                System.out.println(result + ANSICodes.attrib(0));
             }
-            System.out.println(result + ANSICodes.attrib(0));
         } else {
             super.sendMessage(message);
         }

paper-server/src/main/java/org/bukkit/craftbukkit/command/CraftConsoleCommandSender.java

@@ -2,17 +2,25 @@ package org.bukkit.craftbukkit.command;
 
 import org.bukkit.ChatColor;
 import org.bukkit.command.ConsoleCommandSender;
+import org.bukkit.conversations.Conversation;
+import org.bukkit.craftbukkit.conversations.ConversationTracker;
 
 /**
  * Represents CLI input from a console
  */
 public class CraftConsoleCommandSender extends ServerCommandSender implements ConsoleCommandSender {
 
+    protected ConversationTracker conversationTracker = new ConversationTracker();
+
     protected CraftConsoleCommandSender() {
         super();
     }
 
     public void sendMessage(String message) {
+        sendRawMessage(message);
+    }
+    
+    public void sendRawMessage(String message) {
         System.out.println(ChatColor.stripColor(message));
     }
 
@@ -33,4 +41,20 @@ public class CraftConsoleCommandSender extends ServerCommandSender implements Co
     public void setOp(boolean value) {
         throw new UnsupportedOperationException("Cannot change operator status of server console");
     }
+
+    public boolean beginConversation(Conversation conversation) {
+        return conversationTracker.beginConversation(conversation);
+    }
+
+    public void abandonConversation(Conversation conversation) {
+        conversationTracker.abandonConversation(conversation);
+    }
+
+    public void acceptConversationInput(String input) {
+        conversationTracker.acceptConversationInput(input);
+    }
+
+    public boolean isConversing() {
+        return conversationTracker.isConversing();
+    }
 }

paper-server/src/main/java/org/bukkit/craftbukkit/conversations/ConversationTracker.java

@@ -0,0 +1,62 @@
+package org.bukkit.craftbukkit.conversations;
+
+import org.bukkit.conversations.Conversation;
+
+import java.util.Deque;
+import java.util.LinkedList;
+
+/**
+ */
+public class ConversationTracker {
+
+    private Deque<Conversation> conversationQueue = new LinkedList<Conversation>();
+
+    public synchronized boolean beginConversation(Conversation conversation) {
+        if (!conversationQueue.contains(conversation)) {
+            conversationQueue.addLast(conversation);
+            if (conversationQueue.getFirst() == conversation) {
+                conversation.begin();
+                conversation.outputNextPrompt();
+                return true;
+            }
+        }
+        return true;
+    }
+
+    public synchronized void abandonConversation(Conversation conversation) {
+        if (!conversationQueue.isEmpty()) {
+            if (conversationQueue.getFirst() == conversation) {
+                conversation.abandon();
+            }
+            if (conversationQueue.contains(conversation)) {
+                conversationQueue.remove(conversation);
+            }
+            if (!conversationQueue.isEmpty()) {
+                conversationQueue.getFirst().outputNextPrompt();
+            }
+        }
+    }
+
+    public synchronized void abandonAllConversations() {
+
+        Deque<Conversation> oldQueue = conversationQueue;
+        conversationQueue = new LinkedList<Conversation>();
+        for(Conversation conversation : oldQueue) {
+            conversation.abandon();
+        }
+    }
+
+    public synchronized void acceptConversationInput(String input) {
+        if (isConversing()) {
+            conversationQueue.getFirst().acceptInput(input);
+        }
+    }
+
+    public synchronized boolean isConversing() {
+        return !conversationQueue.isEmpty();
+    }
+
+    public synchronized boolean isConversingModaly() {
+        return isConversing() && conversationQueue.getFirst().isModal();
+    }
+}

paper-server/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java

@@ -37,6 +37,8 @@ import org.bukkit.Statistic;
 import org.bukkit.World;
 import org.bukkit.block.BlockFace;
 import org.bukkit.configuration.serialization.DelegateDeserialization;
+import org.bukkit.conversations.Conversation;
+import org.bukkit.craftbukkit.conversations.ConversationTracker;
 import org.bukkit.craftbukkit.CraftEffect;
 import org.bukkit.craftbukkit.CraftOfflinePlayer;
 import org.bukkit.craftbukkit.CraftServer;
@@ -59,6 +61,7 @@ public class CraftPlayer extends CraftHumanEntity implements Player {
     private long firstPlayed = 0;
     private long lastPlayed = 0;
     private boolean hasPlayedBefore = false;
+    private ConversationTracker conversationTracker = new ConversationTracker();
     private Set<String> channels = new HashSet<String>();
     private Map<String, Player> hiddenPlayers = new MapMaker().softValues().makeMap();
     private int hash = 0;
@@ -133,9 +136,11 @@ public class CraftPlayer extends CraftHumanEntity implements Player {
     }
 
     public void sendMessage(String message) {
-        this.sendRawMessage(message);
+        if (!conversationTracker.isConversingModaly()) {
+            this.sendRawMessage(message);
+        }
     }
-    
+
     public void sendMessage(String[] messages) {
         for (String message : messages) {
             sendMessage(message);
@@ -692,6 +697,22 @@ public class CraftPlayer extends CraftHumanEntity implements Player {
         data.setLong("lastPlayed", System.currentTimeMillis());
     }
 
+    public boolean beginConversation(Conversation conversation) {
+        return conversationTracker.beginConversation(conversation);
+    }
+
+    public void abandonConversation(Conversation conversation) {
+        conversationTracker.abandonConversation(conversation);
+    }
+
+    public void acceptConversationInput(String input) {
+        conversationTracker.acceptConversationInput(input);
+    }
+
+    public boolean isConversing() {
+        return conversationTracker.isConversing();
+    }
+
     public void sendPluginMessage(Plugin source, String channel, byte[] message) {
         StandardMessenger.validatePluginMessage(server.getMessenger(), source, channel, message);
 
@@ -773,4 +794,8 @@ public class CraftPlayer extends CraftHumanEntity implements Player {
         getHandle().setContainerData(container, prop.getId(), value);
         return true;
     }
-}
+
+    public void disconnect(String reason) {
+        conversationTracker.abandonAllConversations();
+    }
+}