From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: YouHaveTrouble <youhavetrouble@youhavetrouble.me>
Date: Sat, 23 Jul 2022 14:40:38 +0200
Subject: [PATCH] Debug Marker API


diff --git a/src/main/java/org/bukkit/craftbukkit/CraftServer.java b/src/main/java/org/bukkit/craftbukkit/CraftServer.java
index 6c6fe8b0a6cb00647aa2cc8ad4dd56c0ce87721c..a3a7bf5dba5014df499eefb430b888743f1d2a4a 100644
--- a/src/main/java/org/bukkit/craftbukkit/CraftServer.java
+++ b/src/main/java/org/bukkit/craftbukkit/CraftServer.java
@@ -1465,6 +1465,42 @@ public final class CraftServer implements Server {
     public void removeFuel(org.bukkit.Material material) {
         net.minecraft.world.level.block.entity.AbstractFurnaceBlockEntity.removeFuel(net.minecraft.world.item.ItemStack.fromBukkitCopy(new ItemStack(material)));
     }
+
+    @Override
+    public void sendBlockHighlight(Location location, int duration) {
+        sendBlockHighlight(location, duration, "", 0x6400FF00);
+    }
+
+    @Override
+    public void sendBlockHighlight(Location location, int duration, int argb) {
+        sendBlockHighlight(location, duration, "", argb);
+    }
+
+    @Override
+    public void sendBlockHighlight(Location location, int duration, String text) {
+        sendBlockHighlight(location, duration, text, 0x6400FF00);
+    }
+
+    @Override
+    public void sendBlockHighlight(Location location, int duration, String text, int argb) {
+        this.worlds.forEach((name, world) -> world.sendBlockHighlight(location, duration, text, argb));
+    }
+
+    @Override
+    public void sendBlockHighlight(Location location, int duration, org.bukkit.Color color, int transparency) {
+        sendBlockHighlight(location, duration, "", color, transparency);
+    }
+
+    @Override
+    public void sendBlockHighlight(Location location, int duration, String text, org.bukkit.Color color, int transparency) {
+        if (transparency < 0 || transparency > 255) throw new IllegalArgumentException("transparency is outside of 0-255 range");
+        sendBlockHighlight(location, duration, text, transparency << 24 | color.asRGB());
+    }
+
+    @Override
+    public void clearBlockHighlights() {
+        this.worlds.forEach((name, world) -> clearBlockHighlights());
+    }
     // Purpur End
 
     @Override
diff --git a/src/main/java/org/bukkit/craftbukkit/CraftWorld.java b/src/main/java/org/bukkit/craftbukkit/CraftWorld.java
index a5260ff68e91f2594bcc6693663c3da2e477e5dd..68df53648c9b76cf1b6abcaa90c5e8938e9e0d05 100644
--- a/src/main/java/org/bukkit/craftbukkit/CraftWorld.java
+++ b/src/main/java/org/bukkit/craftbukkit/CraftWorld.java
@@ -2288,6 +2288,42 @@ public class CraftWorld extends CraftRegionAccessor implements World {
     public float getLocalDifficultyAt(Location location) {
         return getHandle().getCurrentDifficultyAt(io.papermc.paper.util.MCUtil.toBlockPosition(location)).getEffectiveDifficulty();
     }
+
+    @Override
+    public void sendBlockHighlight(Location location, int duration) {
+        sendBlockHighlight(location, duration, "", 0x6400FF00);
+    }
+
+    @Override
+    public void sendBlockHighlight(Location location, int duration, int argb) {
+        sendBlockHighlight(location, duration, "", argb);
+    }
+
+    @Override
+    public void sendBlockHighlight(Location location, int duration, String text) {
+        sendBlockHighlight(location, duration, text, 0x6400FF00);
+    }
+
+    @Override
+    public void sendBlockHighlight(Location location, int duration, String text, int argb) {
+        net.minecraft.network.protocol.game.DebugPackets.sendGameTestAddMarker(getHandle(), io.papermc.paper.util.MCUtil.toBlockPosition(location), text, argb, duration);
+    }
+
+    @Override
+    public void sendBlockHighlight(Location location, int duration, org.bukkit.Color color, int transparency) {
+        sendBlockHighlight(location, duration, "", color, transparency);
+    }
+
+    @Override
+    public void sendBlockHighlight(Location location, int duration, String text, org.bukkit.Color color, int transparency) {
+        if (transparency < 0 || transparency > 255) throw new IllegalArgumentException("transparency is outside of 0-255 range");
+        sendBlockHighlight(location, duration, text, transparency << 24 | color.asRGB());
+    }
+
+    @Override
+    public void clearBlockHighlights() {
+        net.minecraft.network.protocol.game.DebugPackets.sendGameTestClearPacket(getHandle());
+    }
     // Purpur end
 
     @Override
diff --git a/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java b/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java
index 9b2f7d293669f0e9adcb8292e4a27a460321f5a0..2d74a3c6aeaa10abfbd19a424f3d27427a8d85c5 100644
--- a/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java
+++ b/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java
@@ -3247,5 +3247,48 @@ public class CraftPlayer extends CraftHumanEntity implements Player {
     public void setSpawnInvulnerableTicks(int spawnInvulnerableTime) {
         getHandle().spawnInvulnerableTime = spawnInvulnerableTime;
     }
+
+    @Override
+    public void sendBlockHighlight(Location location, int duration) {
+        sendBlockHighlight(location, duration, "", 0x6400FF00);
+    }
+
+    @Override
+    public void sendBlockHighlight(Location location, int duration, int argb) {
+        sendBlockHighlight(location, duration, "", argb);
+    }
+
+    @Override
+    public void sendBlockHighlight(Location location, int duration, String text) {
+        sendBlockHighlight(location, duration, text, 0x6400FF00);
+    }
+
+    @Override
+    public void sendBlockHighlight(Location location, int duration, String text, int argb) {
+        if (this.getHandle().connection == null) return;
+        FriendlyByteBuf buf = new FriendlyByteBuf(Unpooled.buffer());
+        buf.writeBlockPos(io.papermc.paper.util.MCUtil.toBlockPosition(location));
+        buf.writeInt(argb);
+        buf.writeUtf(text);
+        buf.writeInt(duration);
+        this.getHandle().connection.send(new net.minecraft.network.protocol.game.ClientboundCustomPayloadPacket(ClientboundCustomPayloadPacket.DEBUG_GAME_TEST_ADD_MARKER, buf));
+    }
+
+    @Override
+    public void sendBlockHighlight(Location location, int duration, org.bukkit.Color color, int transparency) {
+        sendBlockHighlight(location, duration, "", color, transparency);
+    }
+
+    @Override
+    public void sendBlockHighlight(Location location, int duration, String text, org.bukkit.Color color, int transparency) {
+        if (transparency < 0 || transparency > 255) throw new IllegalArgumentException("transparency is outside of 0-255 range");
+        sendBlockHighlight(location, duration, text, transparency << 24 | color.asRGB());
+    }
+
+    @Override
+    public void clearBlockHighlights() {
+        if (this.getHandle().connection == null) return;
+        this.getHandle().connection.send(new net.minecraft.network.protocol.game.ClientboundCustomPayloadPacket(ClientboundCustomPayloadPacket.DEBUG_GAME_TEST_CLEAR, new FriendlyByteBuf(io.netty.buffer.Unpooled.buffer())));
+    }
     // Purpur end
 }