feat: implement home animals (#2329)

src/main/java/emu/grasscutter/game/entity/EntityHomeAnimal.java

@@ -0,0 +1,80 @@
+package emu.grasscutter.game.entity;
+
+import emu.grasscutter.data.GameData;
+import emu.grasscutter.data.excels.HomeWorldAnimalData;
+import emu.grasscutter.game.props.ElementType;
+import emu.grasscutter.game.world.Position;
+import emu.grasscutter.game.world.Scene;
+import emu.grasscutter.net.proto.VisionTypeOuterClass;
+import emu.grasscutter.server.packet.send.PacketSceneEntityAppearNotify;
+import emu.grasscutter.server.packet.send.PacketSceneEntityDisappearNotify;
+import lombok.Getter;
+
+public class EntityHomeAnimal extends EntityMonster implements Rebornable {
+    private int rebornCDTickCount;
+    private final Position rebornPos;
+    @Getter
+    private final int rebirth;
+    @Getter
+    private final int rebirthCD;
+    private boolean disappeared;
+
+    public EntityHomeAnimal(Scene scene, HomeWorldAnimalData data, Position pos) {
+        super(scene, GameData.getMonsterDataMap().get(data.getMonsterID()), pos, 1);
+
+        this.rebornPos = pos.clone();
+        this.rebirth = data.getIsRebirth();
+        this.rebirthCD = data.getRebirthCD();
+    }
+
+    @Override
+    public void damage(float amount, int killerId, ElementType attackType) {
+    }
+
+    @Override
+    public void onTick(int sceneTime) {
+        super.onTick(sceneTime);
+
+        if (this.isInCD()) {
+            this.rebornCDTickCount--;
+            if (this.rebornCDTickCount <= 0) {
+                this.reborn();
+            }
+        }
+    }
+
+    @Override
+    public void onCreate() {
+    }
+
+    @Override
+    public Position getRebornPos() {
+        return this.rebornPos;
+    }
+
+    @Override
+    public int getRebornCD() {
+        return this.rebirthCD;
+    }
+
+    @Override
+    public void onAiKillSelf() {
+        this.getScene().broadcastPacket(new PacketSceneEntityDisappearNotify(this, VisionTypeOuterClass.VisionType.VISION_TYPE_REMOVE));
+        this.rebornCDTickCount = this.getRebornCD();
+        this.disappeared = true;
+    }
+
+    @Override
+    public void reborn() {
+        if (this.disappeared) {
+            this.disappeared = false;
+            this.getPosition().set(this.getRebornPos());
+            this.getScene().broadcastPacket(new PacketSceneEntityAppearNotify(this));
+        }
+    }
+
+    @Override
+    public boolean isInCD() {
+        return this.disappeared;
+    }
+}

src/main/java/emu/grasscutter/game/entity/Rebornable.java

@@ -0,0 +1,15 @@
+package emu.grasscutter.game.entity;
+
+import emu.grasscutter.game.world.Position;
+
+public interface Rebornable {
+    Position getRebornPos();
+
+    int getRebornCD();
+
+    void onAiKillSelf();
+
+    void reborn();
+
+    boolean isInCD();
+}