api: add getConfig to deco, game, and ground objects

Additionally fix the wall object orientation javadoc, the returned value is an angle

runelite-api/src/main/java/net/runelite/api/DecorativeObject.java

@@ -54,4 +54,14 @@ public interface DecorativeObject extends TileObject
 	 * account for walls of varying widths.
 	 */
 	int getYOffset();
+
+	/**
+	 * A bitfield containing various flags:
+	 * <pre>{@code
+	 * object type id = bits & 0x20
+	 * orientation (0-3) = bits >>> 6 & 3
+	 * supports items = bits >>> 8 & 1
+	 * }</pre>
+	 */
+	int getConfig();
 }

runelite-api/src/main/java/net/runelite/api/GameObject.java

@@ -93,4 +93,14 @@ public interface GameObject extends TileObject
 	 * @see net.runelite.api.coords.Angle
 	 */
 	int getModelOrientation();
+
+	/**
+	 * A bitfield containing various flags:
+	 * <pre>{@code
+	 * object type id = bits & 0x20
+	 * orientation (0-3) = bits >>> 6 & 3
+	 * supports items = bits >>> 8 & 1
+	 * }</pre>
+	 */
+	int getConfig();
 }

runelite-api/src/main/java/net/runelite/api/GroundObject.java

@@ -40,4 +40,14 @@ public interface GroundObject extends TileObject
 	 * @see net.runelite.api.model.Jarvis
 	 */
 	Shape getConvexHull();
+
+	/**
+	 * A bitfield containing various flags:
+	 * <pre>{@code
+	 * object type id = bits & 0x20
+	 * orientation (0-3) = bits >>> 6 & 3
+	 * supports items = bits >>> 8 & 1
+	 * }</pre>
+	 */
+	int getConfig();
 }

runelite-api/src/main/java/net/runelite/api/WallObject.java

@@ -32,18 +32,14 @@ import java.awt.Shape;
 public interface WallObject extends TileObject
 {
 	/**
-	 * A bitfield with the orientation of a wall
-	 * 1 = East
-	 * 2 = North
-	 * 4 = West
-	 * 8 = South
+	 * The angle of the first wall
+	 * @see net.runelite.api.coords.Angle
 	 */
 	int getOrientationA();
 
 	/**
-	 * A bitfield containing the orientation of the second wall on this tile,
-	 * or 0 if there is no second wall.
-	 * @see #getOrientationA
+	 * The angle of the second wall
+	 * @see net.runelite.api.coords.Angle
 	 */
 	int getOrientationB();