runelite-api: move getConvexHull to Model

runescape-api/src/main/java/net/runelite/rs/api/RSDecorativeObject.java

@@ -25,7 +25,6 @@
 package net.runelite.rs.api;
 
 import net.runelite.api.DecorativeObject;
-import net.runelite.api.Renderable;
 import net.runelite.mapping.Import;
 
 public interface RSDecorativeObject extends DecorativeObject
@@ -44,7 +43,7 @@ public interface RSDecorativeObject extends DecorativeObject
 	int getOrientation();
 
 	@Import("renderable1")
-	Renderable getRenderable();
+	RSRenderable getRenderable();
 
 	void setPlane(int plane);
 }

runescape-api/src/main/java/net/runelite/rs/api/RSGameObject.java

@@ -25,13 +25,12 @@
 package net.runelite.rs.api;
 
 import net.runelite.api.GameObject;
-import net.runelite.api.Renderable;
 import net.runelite.mapping.Import;
 
 public interface RSGameObject extends GameObject
 {
 	@Import("renderable")
-	Renderable getRenderable();
+	RSRenderable getRenderable();
 
 	@Import("plane")
 	int getPlane();

runescape-api/src/main/java/net/runelite/rs/api/RSModel.java

@@ -24,6 +24,7 @@
  */
 package net.runelite.rs.api;
 
+import java.awt.Polygon;
 import net.runelite.api.Model;
 import net.runelite.mapping.Import;
 
@@ -52,4 +53,13 @@ public interface RSModel extends RSRenderable, Model
 
 	@Import("indices3")
 	int[] getTrianglesZ();
+
+	/**
+	 * Compute the convex hull of this model
+	 * @param localX
+	 * @param localY
+	 * @param orientation
+	 * @return
+	 */
+	Polygon getConvexHull(int localX, int localY, int orientation);
 }

runescape-api/src/main/java/net/runelite/rs/api/RSRenderable.java

@@ -24,7 +24,6 @@
  */
 package net.runelite.rs.api;
 
-import net.runelite.api.Model;
 import net.runelite.api.Renderable;
 import net.runelite.mapping.Import;
 
@@ -35,5 +34,5 @@ public interface RSRenderable extends RSNode, Renderable
 
 	@Import("getModel")
 	@Override
-	Model getModel();
+	RSModel getModel();
 }