Rename and clean up AbstractAnimatedMapleMapObject

2021-09-09 22:16:30 +02:00
parent af2707120a
commit 8814a18d0c
7 changed files with 39 additions and 39 deletions
--- a/src/main/java/server/maps/AbstractAnimatedMapObject.java
+++ b/src/main/java/server/maps/AbstractAnimatedMapObject.java
@@ -0,0 +1,77 @@
+/*
+	This file is part of the OdinMS Maple Story Server
+    Copyright (C) 2008 Patrick Huy <patrick.huy@frz.cc>
+		       Matthias Butz <matze@odinms.de>
+		       Jan Christian Meyer <vimes@odinms.de>
+
+    This program is free software: you can redistribute it and/or modify
+    it under the terms of the GNU Affero General Public License as
+    published by the Free Software Foundation version 3 as published by
+    the Free Software Foundation. You may not use, modify or distribute
+    this program under any other version of the GNU Affero General Public
+    License.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU Affero General Public License for more details.
+
+    You should have received a copy of the GNU Affero General Public License
+    along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+package server.maps;
+
+import io.netty.buffer.Unpooled;
+import net.packet.*;
+
+import java.util.Arrays;
+
+public abstract class AbstractAnimatedMapObject extends AbstractMapleMapObject implements AnimatedMapleMapObject {
+    public static final int IDLE_MOVEMENT_PACKET_LENGTH = 15;
+    private static final Packet IDLE_MOVEMENT_PACKET = createIdleMovementPacket();
+
+    private int stance;
+
+    @Override
+    public int getStance() {
+        return stance;
+    }
+
+    @Override
+    public void setStance(int stance) {
+        this.stance = stance;
+    }
+
+    @Override
+    public boolean isFacingLeft() {
+        return Math.abs(stance) % 2 == 1;
+    }
+
+    public InPacket getIdleMovement() {
+        final byte[] idleMovementBytes = IDLE_MOVEMENT_PACKET.getBytes();
+        byte[] movementData = Arrays.copyOf(idleMovementBytes, idleMovementBytes.length);
+        //seems wasteful to create a whole packet writer when only a few values are changed
+        int x = getPosition().x;
+        int y = getPosition().y;
+        movementData[2] = (byte) (x & 0xFF); //x
+        movementData[3] = (byte) (x >> 8 & 0xFF);
+        movementData[4] = (byte) (y & 0xFF); //y
+        movementData[5] = (byte) (y >> 8 & 0xFF);
+        movementData[12] = (byte) (getStance() & 0xFF);
+        return new ByteBufInPacket(Unpooled.wrappedBuffer(movementData));
+    }
+
+    private static Packet createIdleMovementPacket() {
+        OutPacket p = new ByteBufOutPacket();
+        p.writeByte(1); //movement command count
+        p.writeByte(0);
+        p.writeShort(-1); //x
+        p.writeShort(-1); //y
+        p.writeShort(0); //xwobble
+        p.writeShort(0); //ywobble
+        p.writeShort(0); //fh
+        p.writeByte(-1); //stance
+        p.writeShort(0); //duration
+        return p;
+    }
+}