Move orientation incantation into Vertex.rotate

Everywhere that Vertex#rotate was called, the orientation was rotated by 180 degrees first.

runelite-api/src/main/java/net/runelite/api/model/Vertex.java

@@ -48,6 +48,14 @@ public class Vertex
 	 */
 	public Vertex rotate(int orientation)
 	{
+		// models are orientated north (1024) and there are 2048 angles total
+		orientation = (orientation + 1024) % 2048;
+
+		if (orientation == 0)
+		{
+			return this;
+		}
+
 		int sin = Perspective.SINE[orientation];
 		int cos = Perspective.COSINE[orientation];
 

runelite-mixins/src/main/java/net/runelite/mixins/RSPlayerMixin.java

@@ -72,15 +72,11 @@ public abstract class RSPlayerMixin implements RSPlayer
 		int localX = getX();
 		int localY = getY();
 
-		// models are orientated north (1024) and there are 2048 angles total
-		int orientation = (getOrientation() + 1024) % 2048;
+		int orientation = getOrientation();
 
 		List<Triangle> triangles = model.getTriangles();
 
-		if (orientation != 0)
-		{
-			triangles = rotate(triangles, orientation);
-		}
+		triangles = rotate(triangles, orientation);
 
 		List<Polygon> polys = new ArrayList<Polygon>();
 		for (Triangle triangle : triangles)

runelite-mixins/src/main/java/net/runelite/mixins/TileObjectMixin.java

@@ -132,19 +132,13 @@ public abstract class TileObjectMixin implements TileObject
 		int localX = getX();
 		int localY = getY();
 
-		// models are orientated north (1024) and there are 2048 angles total
-		orientation = (orientation + 1024) % 2048;
-
 		List<Vertex> vertices = model.getVertices();
 
-		if (orientation != 0)
+		// rotate vertices
+		for (int i = 0; i < vertices.size(); ++i)
 		{
-			// rotate vertices
-			for (int i = 0; i < vertices.size(); ++i)
-			{
-				Vertex v = vertices.get(i);
-				vertices.set(i, v.rotate(orientation));
-			}
+			Vertex v = vertices.get(i);
+			vertices.set(i, v.rotate(orientation));
 		}
 
 		List<Point> points = new ArrayList<Point>();