Exemplo n.º 1
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        public void No_nodes_are_requested_or_to_cache_when_none_are_visible()
        {
            var cache = GetCache();

            var result = LODCache.getNodesToDrawAndCache(cache, new ChunkedLodTreeFactory.ChunkedLodTreeNode[] { });

            Assert.IsEmpty(result.Item1);
            Assert.IsEmpty(result.Item2);
        }
Exemplo n.º 2
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        public void No_nodes_are_requested_if_the_root_is_not_cached()
        {
            var root  = new ChunkedLodTreeFactory.ChunkedLodTreeNode(new Bounds2D(), null, 0);
            var cache = GetCache();

            var result = LODCache.getNodesToDrawAndCache(cache, new ChunkedLodTreeFactory.ChunkedLodTreeNode[] { root });

            Assert.IsEmpty(result.Item1);
            CollectionAssert.AreEqual(new[] { root }, result.Item2);
        }
Exemplo n.º 3
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        public void Requests_nodes_parent_if_originally_requested_node_is_not_cached_but_when_parent_is()
        {
            var parent = new ChunkedLodTreeFactory.ChunkedLodTreeNode(new Bounds2D(), null, 0);
            var child  = new ChunkedLodTreeFactory.ChunkedLodTreeNode(new Bounds2D(), parent, 0);

            CacheNode(parent);

            var cache  = GetCache();
            var result = LODCache.getNodesToDrawAndCache(cache, new[] { child });

            CollectionAssert.AreEqual(new[] { parent }, result.Item1);
            CollectionAssert.AreEqual(new[] { child }, result.Item2);
        }
Exemplo n.º 4
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        public void Does_not_request_child_unless_all_children_are_cached()
        {
            var parent      = new ChunkedLodTreeFactory.ChunkedLodTreeNode(new Bounds2D(), null, 0);
            var firstChild  = new ChunkedLodTreeFactory.ChunkedLodTreeNode(new Bounds2D(), parent, 0);
            var secondChild = new ChunkedLodTreeFactory.ChunkedLodTreeNode(new Bounds2D(), parent, 0);

            CacheNode(parent);
            CacheNode(firstChild);

            var cache  = GetCache();
            var result = LODCache.getNodesToDrawAndCache(cache, new[] { firstChild, secondChild });

            CollectionAssert.AreEqual(new[] { parent }, result.Item1);
            CollectionAssert.AreEqual(new[] { secondChild }, result.Item2);
        }
Exemplo n.º 5
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        public void All_nodes_are_requested_when_all_are_cached()
        {
            var node0 = new ChunkedLodTreeFactory.ChunkedLodTreeNode(new Bounds2D(), null, 0);
            var node1 = new ChunkedLodTreeFactory.ChunkedLodTreeNode(new Bounds2D(), node0, 0);
            var node2 = new ChunkedLodTreeFactory.ChunkedLodTreeNode(new Bounds2D(), node1, 0);
            var node3 = new ChunkedLodTreeFactory.ChunkedLodTreeNode(new Bounds2D(), null, 0);

            CacheNodes(node0, node1, node2, node3);

            var cache  = GetCache();
            var result = LODCache.getNodesToDrawAndCache(cache, new[] { node0, node1, node2, node3 });

            CollectionAssert.AreEqual(new[] { node0, node1, node2, node3 }, result.Item1);
            Assert.IsEmpty(result.Item2);
        }
Exemplo n.º 6
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        public void Do_not_request_descendants_when_the_ancestor_is_also_requested()
        {
            var level0  = new ChunkedLodTreeFactory.ChunkedLodTreeNode(new Bounds2D(), null, 0);
            var level10 = new ChunkedLodTreeFactory.ChunkedLodTreeNode(new Bounds2D(), level0, 0);
            var level11 = new ChunkedLodTreeFactory.ChunkedLodTreeNode(new Bounds2D(), level0, 0);
            var level20 = new ChunkedLodTreeFactory.ChunkedLodTreeNode(new Bounds2D(), level10, 0);

            CacheNode(level0);

            var cache  = GetCache();
            var result = LODCache.getNodesToDrawAndCache(cache, new[] { level11, level20 });

            CollectionAssert.AreEqual(new[] { level0 }, result.Item1);
            CollectionAssert.AreEqual(new[] { level11, level20 }, result.Item2);
        }