From 1010a18e71e37f9f05861c9dfc3082a78bd0cd2a Mon Sep 17 00:00:00 2001
From: D3v1s0m <d3v1s0m@gmail.com>
Date: Sun, 10 Sep 2023 15:26:47 +0530
Subject: [PATCH] partial implementation of target npc property

---
 .../commands/property/PropertySetCommand.java |  4 +++
 .../entity/properties/TargetNpcProperty.java  | 29 +++++++++++++++++++
 .../TargetNpcPropertySerializer.java          | 21 ++++++++++++++
 .../znpcsplus/npc/NpcTypeRegistryImpl.java    |  2 +-
 4 files changed, 55 insertions(+), 1 deletion(-)
 create mode 100644 plugin/src/main/java/lol/pyr/znpcsplus/entity/properties/TargetNpcProperty.java
 create mode 100644 plugin/src/main/java/lol/pyr/znpcsplus/entity/serializers/TargetNpcPropertySerializer.java

diff --git a/plugin/src/main/java/lol/pyr/znpcsplus/commands/property/PropertySetCommand.java b/plugin/src/main/java/lol/pyr/znpcsplus/commands/property/PropertySetCommand.java
index d8e7a21..3ea0074 100644
--- a/plugin/src/main/java/lol/pyr/znpcsplus/commands/property/PropertySetCommand.java
+++ b/plugin/src/main/java/lol/pyr/znpcsplus/commands/property/PropertySetCommand.java
@@ -113,6 +113,10 @@ public class PropertySetCommand implements CommandHandler {
                 valueName = String.valueOf(value);
             }
         }
+        else if (type == NpcEntryImpl.class) {
+            value = context.parse(type);
+            valueName = value == null ? "NONE" : ((NpcEntryImpl) value).getId();
+        }
         else {
             value = context.parse(type);
             valueName = String.valueOf(value);
diff --git a/plugin/src/main/java/lol/pyr/znpcsplus/entity/properties/TargetNpcProperty.java b/plugin/src/main/java/lol/pyr/znpcsplus/entity/properties/TargetNpcProperty.java
new file mode 100644
index 0000000..fbe4beb
--- /dev/null
+++ b/plugin/src/main/java/lol/pyr/znpcsplus/entity/properties/TargetNpcProperty.java
@@ -0,0 +1,29 @@
+package lol.pyr.znpcsplus.entity.properties;
+
+import com.github.retrooper.packetevents.protocol.entity.data.EntityData;
+import com.github.retrooper.packetevents.protocol.entity.data.EntityDataTypes;
+import lol.pyr.znpcsplus.entity.EntityPropertyImpl;
+import lol.pyr.znpcsplus.entity.PacketEntity;
+import lol.pyr.znpcsplus.npc.NpcEntryImpl;
+import org.bukkit.entity.Player;
+
+import java.util.Map;
+
+public class TargetNpcProperty extends EntityPropertyImpl<NpcEntryImpl> {
+    private final int index;
+
+    public TargetNpcProperty(String name, int index, NpcEntryImpl defaultValue) {
+        super(name, defaultValue, NpcEntryImpl.class);
+        this.index = index;
+    }
+
+    @Override
+    public void apply(Player player, PacketEntity entity, boolean isSpawned, Map<Integer, EntityData> properties) {
+        NpcEntryImpl value = entity.getProperty(this);
+        if (value == null) return;
+        if (value.getNpc().getEntity().getEntityId() == entity.getEntityId()) return;
+        if (value.getNpc().isVisibleTo(player)) {
+            properties.put(index, newEntityData(index, EntityDataTypes.INT, value.getNpc().getEntity().getEntityId()));
+        }
+    }
+}
diff --git a/plugin/src/main/java/lol/pyr/znpcsplus/entity/serializers/TargetNpcPropertySerializer.java b/plugin/src/main/java/lol/pyr/znpcsplus/entity/serializers/TargetNpcPropertySerializer.java
new file mode 100644
index 0000000..7cd3654
--- /dev/null
+++ b/plugin/src/main/java/lol/pyr/znpcsplus/entity/serializers/TargetNpcPropertySerializer.java
@@ -0,0 +1,21 @@
+package lol.pyr.znpcsplus.entity.serializers;
+
+import lol.pyr.znpcsplus.entity.PropertySerializer;
+import lol.pyr.znpcsplus.npc.NpcEntryImpl;
+
+public class TargetNpcPropertySerializer implements PropertySerializer<NpcEntryImpl> {
+    @Override
+    public String serialize(NpcEntryImpl property) {
+        return property.getId();
+    }
+
+    @Override
+    public NpcEntryImpl deserialize(String property) {
+        return null; // TODO: find a way to do this
+    }
+
+    @Override
+    public Class<NpcEntryImpl> getTypeClass() {
+        return NpcEntryImpl.class;
+    }
+}
diff --git a/plugin/src/main/java/lol/pyr/znpcsplus/npc/NpcTypeRegistryImpl.java b/plugin/src/main/java/lol/pyr/znpcsplus/npc/NpcTypeRegistryImpl.java
index bcb0856..509e246 100644
--- a/plugin/src/main/java/lol/pyr/znpcsplus/npc/NpcTypeRegistryImpl.java
+++ b/plugin/src/main/java/lol/pyr/znpcsplus/npc/NpcTypeRegistryImpl.java
@@ -329,7 +329,7 @@ public class NpcTypeRegistryImpl implements NpcTypeRegistry {
 
         register(builder(p, "frog", EntityTypes.FROG)
                 .setHologramOffset(-1.475)
-                .addProperties("frog_variant"));
+                .addProperties("frog_variant", "frog_target_npc"));
 
         register(builder(p, "tadpole", EntityTypes.TADPOLE)
                 .setHologramOffset(-1.675));