From 415e61a40147a670ac9921d739304fc2d899266a Mon Sep 17 00:00:00 2001
From: NorbiPeti <szatmari.norbert.peter@gmail.com>
Date: Mon, 12 Aug 2019 02:50:18 +0200
Subject: [PATCH] isChatOn fix, tellRaw start

---
 pom.xml                                       | 18 ++++--
 .../java/buttondevteam/chat/VanillaUtils.java | 64 +++++++++++++++++--
 .../chat/components/towny/TownyComponent.java |  5 +-
 3 files changed, 75 insertions(+), 12 deletions(-)

diff --git a/pom.xml b/pom.xml
index 5626ea8..6bca684 100644
--- a/pom.xml
+++ b/pom.xml
@@ -217,12 +217,18 @@
 			<version>1.16.16</version>
 			<scope>provided</scope>
 		</dependency>
-		<dependency>
-			<groupId>org.spigotmc</groupId>
-			<artifactId>spigot</artifactId>
-			<version>1.12.2-R0.1-SNAPSHOT</version>
-			<scope>provided</scope>
-		</dependency>
+        <dependency>
+            <groupId>org.spigotmc</groupId>
+            <artifactId>spigot</artifactId>
+            <version>1.12.2-R0.1-SNAPSHOT</version>
+            <scope>provided</scope>
+        </dependency>
+        <!-- <dependency>
+            <groupId>org.spigotmc</groupId>
+            <artifactId>spigot</artifactId>
+            <version>1.14.4-R0.1-SNAPSHOT</version>
+            <scope>provided</scope>
+        </dependency> -->
 		<dependency>
 			<groupId>com.github.webbukkit</groupId>
 			<artifactId>Dynmap-Towny</artifactId>
diff --git a/src/main/java/buttondevteam/chat/VanillaUtils.java b/src/main/java/buttondevteam/chat/VanillaUtils.java
index 5cbd16c..b1a3586 100644
--- a/src/main/java/buttondevteam/chat/VanillaUtils.java
+++ b/src/main/java/buttondevteam/chat/VanillaUtils.java
@@ -1,18 +1,65 @@
 package buttondevteam.chat;
 
+import buttondevteam.core.MainPlugin;
 import buttondevteam.lib.TBMCChatEvent;
 import lombok.experimental.UtilityClass;
-import net.minecraft.server.v1_12_R1.EntityHuman.EnumChatVisibility;
+import lombok.val;
+import net.minecraft.server.v1_12_R1.ChatComponentUtils;
+import net.minecraft.server.v1_12_R1.IChatBaseComponent;
 import org.bukkit.craftbukkit.v1_12_R1.entity.CraftPlayer;
 import org.bukkit.entity.Player;
 
+import java.util.function.Predicate;
+
 @UtilityClass
 public class VanillaUtils {
 	public int getMCScoreIfChatOn(Player p, TBMCChatEvent e) {
-		if (!(p instanceof CraftPlayer) || ((CraftPlayer) p).getHandle().getChatFlags() == EnumChatVisibility.FULL) // Only send if client allows chat
+		try {
+			if (isChatOn(p)) // Only send if client allows chat
+				return e.getMCScore(p);
+			else
+				return -1;
+		} catch (NoClassDefFoundError ex) {
+			MainPlugin.Instance.getLogger().warning("Compatibility error, can't check if the chat is hidden by the player.");
 			return e.getMCScore(p);
-		else
-			return -1;
+		}
+	}
+
+	private Predicate<Player> isChatOn;
+
+	private boolean isChatOn(Player p) {
+		try {
+			if (isChatOn == null) {
+				val cl = p.getClass();
+				if (!cl.getSimpleName().contains("CraftPlayer")) return true; // p instanceof CraftPlayer
+				val hm = cl.getMethod("getHandle");
+				val handle = hm.invoke(p); //p.getHandle()
+				val vpcl = handle.getClass();
+				val gcfm = vpcl.getMethod("getChatFlags");
+				Class<?> encl;
+				try {
+					encl = Class.forName(handle.getClass().getPackage().getName() + ".EnumChatVisibility");
+				} catch (ClassNotFoundException e) {
+					encl = Class.forName(handle.getClass().getPackage().getName() + ".EntityHuman$EnumChatVisibility");
+				}
+				val ff = encl.getField("FULL");
+				val full = ff.get(null); // EnumChatVisibility.FULL
+				isChatOn = pl -> {
+					try {
+						val ph = hm.invoke(pl); //pl.getHandle()
+						val flags = gcfm.invoke(ph); //handle.getChatFlags()
+						return flags == full; //TODO: It's only checked if not global
+					} catch (Exception e) {
+						e.printStackTrace();
+						return true;
+					}
+				};
+			}
+			return isChatOn.test(p);
+		} catch (Exception e) {
+			e.printStackTrace();
+			return true;
+		}
 	}
 
 	/*private String version;
@@ -23,4 +70,13 @@ public class VanillaUtils {
 			"org.bukkit.craftbukkit.v", "_R1").orElse("1_8").replace("_", "");
 		return Short.parseShort(v);
 	}*/
+
+	public String tellRaw(Player p, String json) {
+		try {
+			ChatComponentUtils.filterForDisplay(((CraftPlayer) p).getHandle(), //TODO: Reflection
+				IChatBaseComponent.ChatSerializer.a(json), ((CraftPlayer) p).getHandle());
+		} catch (Exception e) {
+			e.printStackTrace();
+		}
+	}
 }
diff --git a/src/main/java/buttondevteam/chat/components/towny/TownyComponent.java b/src/main/java/buttondevteam/chat/components/towny/TownyComponent.java
index dbfe93c..dc4777b 100644
--- a/src/main/java/buttondevteam/chat/components/towny/TownyComponent.java
+++ b/src/main/java/buttondevteam/chat/components/towny/TownyComponent.java
@@ -1,5 +1,6 @@
 package buttondevteam.chat.components.towny;
 
+import buttondevteam.chat.ChatUtils;
 import buttondevteam.chat.PluginMain;
 import buttondevteam.chat.formatting.TellrawPart;
 import buttondevteam.core.component.channel.Channel;
@@ -51,8 +52,8 @@ public class TownyComponent extends Component<PluginMain> {
 		if (channel.ID.equals(TownChat.ID) || channel.ID.equals(NationChat.ID)) {
 			((List<TellrawPart>) json.getExtra()).add(0, new TellrawPart("[SPY]"));
 			String jsonstr = toJson.apply(json);
-			Bukkit.getServer().dispatchCommand(PluginMain.Console, String.format(
-				"tellraw @a[score_%s=1000,score_%s_min=1000] %s", channel.ID, channel.ID, jsonstr));
+			ChatUtils.dispatchConsoleCommand(String.format(
+				"tellraw @a[score_%s=1000,score_%s_min=1000] %s", channel.ID, channel.ID, jsonstr), true);
 		}
 	}