data load fixes

src/engine/gameManager/BuildingManager.java

@@ -985,9 +985,9 @@ public enum BuildingManager {
             building.buildingMeshes = new ArrayList<>();
             float rotation = building.getRot().getRotation();
             Vector3f buildingLoc = new Vector3f(building.loc.x, building.loc.y, building.loc.z);
-            if (!prop_meshes.containsKey(building.getBlueprint().getMeshForRank(building.getRank())))
+            if (!prop_meshes.containsKey(building.meshUUID))
                 return; //no data for this prop ID
-            ArrayList<Integer> meshes = prop_meshes.get(building.getBlueprint().getMeshForRank(building.getRank()));
+            ArrayList<Integer> meshes = prop_meshes.get(building.meshUUID);
             for (int mesh : meshes) {
 
                 if (!mesh_heights.containsKey(mesh) || !mesh_triangle_points.containsKey(mesh))
@@ -1014,7 +1014,7 @@ public enum BuildingManager {
                     generatedMesh.BoundingLines.add(new Line2D.Float(p3, p4));
                     generatedMesh.BoundingLines.add(new Line2D.Float(p4, p1));
                 }
-
+                generatedMesh.triangles = new ArrayList<>();
                 for (ArrayList<Vector3f> pointList : triPoints) {
 
                     ArrayList<Vector3f> rotatedPoints = new ArrayList<>();