X-Git-Url: http://git.localhorst.tv/?a=blobdiff_plain;f=tst%2Fworld%2FChunkTest.cpp;h=26f2014cfc3fbec2b061959ce893e2d51ce249e0;hb=HEAD;hp=3ecf0f6912b7d42ae2f5853c5ad71e6effbad170;hpb=a74e9630e55ca47c23f3ba3c9ccffcaccad394ff;p=blank.git

diff --git a/tst/world/ChunkTest.cpp b/tst/world/ChunkTest.cpp
index 3ecf0f6..26f2014 100644
--- a/tst/world/ChunkTest.cpp
+++ b/tst/world/ChunkTest.cpp
@@ -17,15 +17,17 @@ void ChunkTest::setUp() {
 	types = BlockTypeRegistry();
 
 	BlockType obstacle;
+	obstacle.name = "obstacle";
 	obstacle.visible = true;
 	obstacle.block_light = true;
-	types.Add(obstacle);
+	types.Add(std::move(obstacle));
 
 	BlockType source;
+	source.name = "source";
 	source.visible = true;
 	source.luminosity = 5;
 	source.block_light = true;
-	types.Add(source);
+	types.Add(std::move(source));
 }
 
 void ChunkTest::tearDown() {
@@ -35,259 +37,259 @@ void ChunkTest::tearDown() {
 void ChunkTest::testBounds() {
 	CPPUNIT_ASSERT_MESSAGE(
 		"valid position out of bounds",
-		Chunk::InBounds(Chunk::Pos(0, 0, 0))
+		Chunk::InBounds(RoughLocation::Fine(0, 0, 0))
 	);
 	CPPUNIT_ASSERT_MESSAGE(
 		"valid position out of bounds",
-		Chunk::InBounds(Chunk::Pos(15, 0, 0))
+		Chunk::InBounds(RoughLocation::Fine(15, 0, 0))
 	);
 	CPPUNIT_ASSERT_MESSAGE(
 		"valid position out of bounds",
-		Chunk::InBounds(Chunk::Pos(0, 15, 0))
+		Chunk::InBounds(RoughLocation::Fine(0, 15, 0))
 	);
 	CPPUNIT_ASSERT_MESSAGE(
 		"valid position out of bounds",
-		Chunk::InBounds(Chunk::Pos(0, 0, 15))
+		Chunk::InBounds(RoughLocation::Fine(0, 0, 15))
 	);
 	CPPUNIT_ASSERT_MESSAGE(
 		"valid position out of bounds",
-		Chunk::InBounds(Chunk::Pos(15, 15, 15))
+		Chunk::InBounds(RoughLocation::Fine(15, 15, 15))
 	);
 	CPPUNIT_ASSERT_MESSAGE(
 		"invalid position in bounds",
-		!Chunk::InBounds(Chunk::Pos(-1, -1, -1))
+		!Chunk::InBounds(RoughLocation::Fine(-1, -1, -1))
 	);
 	CPPUNIT_ASSERT_MESSAGE(
 		"invalid position in bounds",
-		!Chunk::InBounds(Chunk::Pos(-1, 1, 0))
+		!Chunk::InBounds(RoughLocation::Fine(-1, 1, 0))
 	);
 	CPPUNIT_ASSERT_MESSAGE(
 		"invalid position in bounds",
-		!Chunk::InBounds(Chunk::Pos(16, -16, 0))
+		!Chunk::InBounds(RoughLocation::Fine(16, -16, 0))
 	);
 	CPPUNIT_ASSERT_MESSAGE(
 		"invalid position in bounds",
-		!Chunk::InBounds(Chunk::Pos(16, 16, 16))
+		!Chunk::InBounds(RoughLocation::Fine(16, 16, 16))
 	);
 }
 
 void ChunkTest::testBorder() {
 	CPPUNIT_ASSERT_MESSAGE(
 		"position not border",
-		Chunk::IsBorder(Chunk::Pos(0, 0, 0))
+		Chunk::IsBorder(RoughLocation::Fine(0, 0, 0))
 	);
 	CPPUNIT_ASSERT_MESSAGE(
 		"position not border",
-		Chunk::IsBorder(Chunk::Pos(0, 0, 8))
+		Chunk::IsBorder(RoughLocation::Fine(0, 0, 8))
 	);
 	CPPUNIT_ASSERT_MESSAGE(
 		"position not border",
-		Chunk::IsBorder(Chunk::Pos(0, 0, 15))
+		Chunk::IsBorder(RoughLocation::Fine(0, 0, 15))
 	);
 	CPPUNIT_ASSERT_MESSAGE(
 		"position not border",
-		Chunk::IsBorder(Chunk::Pos(0, 8, 0))
+		Chunk::IsBorder(RoughLocation::Fine(0, 8, 0))
 	);
 	CPPUNIT_ASSERT_MESSAGE(
 		"position not border",
-		Chunk::IsBorder(Chunk::Pos(0, 8, 8))
+		Chunk::IsBorder(RoughLocation::Fine(0, 8, 8))
 	);
 	CPPUNIT_ASSERT_MESSAGE(
 		"position not border",
-		Chunk::IsBorder(Chunk::Pos(0, 8, 15))
+		Chunk::IsBorder(RoughLocation::Fine(0, 8, 15))
 	);
 	CPPUNIT_ASSERT_MESSAGE(
 		"position not border",
-		Chunk::IsBorder(Chunk::Pos(0, 15, 0))
+		Chunk::IsBorder(RoughLocation::Fine(0, 15, 0))
 	);
 	CPPUNIT_ASSERT_MESSAGE(
 		"position not border",
-		Chunk::IsBorder(Chunk::Pos(0, 15, 8))
+		Chunk::IsBorder(RoughLocation::Fine(0, 15, 8))
 	);
 	CPPUNIT_ASSERT_MESSAGE(
 		"position not border",
-		Chunk::IsBorder(Chunk::Pos(0, 15, 15))
+		Chunk::IsBorder(RoughLocation::Fine(0, 15, 15))
 	);
 	CPPUNIT_ASSERT_MESSAGE(
 		"position not border",
-		Chunk::IsBorder(Chunk::Pos(8, 0, 0))
+		Chunk::IsBorder(RoughLocation::Fine(8, 0, 0))
 	);
 	CPPUNIT_ASSERT_MESSAGE(
 		"position not border",
-		Chunk::IsBorder(Chunk::Pos(8, 0, 8))
+		Chunk::IsBorder(RoughLocation::Fine(8, 0, 8))
 	);
 	CPPUNIT_ASSERT_MESSAGE(
 		"position not border",
-		Chunk::IsBorder(Chunk::Pos(8, 0, 15))
+		Chunk::IsBorder(RoughLocation::Fine(8, 0, 15))
 	);
 	CPPUNIT_ASSERT_MESSAGE(
 		"position not border",
-		Chunk::IsBorder(Chunk::Pos(8, 8, 0))
+		Chunk::IsBorder(RoughLocation::Fine(8, 8, 0))
 	);
 	CPPUNIT_ASSERT_MESSAGE(
 		"position is border",
-		!Chunk::IsBorder(Chunk::Pos(8, 8, 8))
+		!Chunk::IsBorder(RoughLocation::Fine(8, 8, 8))
 	);
 	CPPUNIT_ASSERT_MESSAGE(
 		"position not border",
-		Chunk::IsBorder(Chunk::Pos(8, 8, 15))
+		Chunk::IsBorder(RoughLocation::Fine(8, 8, 15))
 	);
 	CPPUNIT_ASSERT_MESSAGE(
 		"position not border",
-		Chunk::IsBorder(Chunk::Pos(8, 15, 0))
+		Chunk::IsBorder(RoughLocation::Fine(8, 15, 0))
 	);
 	CPPUNIT_ASSERT_MESSAGE(
 		"position not border",
-		Chunk::IsBorder(Chunk::Pos(8, 15, 8))
+		Chunk::IsBorder(RoughLocation::Fine(8, 15, 8))
 	);
 	CPPUNIT_ASSERT_MESSAGE(
 		"position not border",
-		Chunk::IsBorder(Chunk::Pos(8, 15, 15))
+		Chunk::IsBorder(RoughLocation::Fine(8, 15, 15))
 	);
 	CPPUNIT_ASSERT_MESSAGE(
 		"position not border",
-		Chunk::IsBorder(Chunk::Pos(15, 0, 0))
+		Chunk::IsBorder(RoughLocation::Fine(15, 0, 0))
 	);
 	CPPUNIT_ASSERT_MESSAGE(
 		"position not border",
-		Chunk::IsBorder(Chunk::Pos(15, 0, 8))
+		Chunk::IsBorder(RoughLocation::Fine(15, 0, 8))
 	);
 	CPPUNIT_ASSERT_MESSAGE(
 		"position not border",
-		Chunk::IsBorder(Chunk::Pos(15, 0, 15))
+		Chunk::IsBorder(RoughLocation::Fine(15, 0, 15))
 	);
 	CPPUNIT_ASSERT_MESSAGE(
 		"position not border",
-		Chunk::IsBorder(Chunk::Pos(15, 8, 0))
+		Chunk::IsBorder(RoughLocation::Fine(15, 8, 0))
 	);
 	CPPUNIT_ASSERT_MESSAGE(
 		"position not border",
-		Chunk::IsBorder(Chunk::Pos(15, 8, 8))
+		Chunk::IsBorder(RoughLocation::Fine(15, 8, 8))
 	);
 	CPPUNIT_ASSERT_MESSAGE(
 		"position not border",
-		Chunk::IsBorder(Chunk::Pos(15, 8, 15))
+		Chunk::IsBorder(RoughLocation::Fine(15, 8, 15))
 	);
 	CPPUNIT_ASSERT_MESSAGE(
 		"position not border",
-		Chunk::IsBorder(Chunk::Pos(15, 15, 0))
+		Chunk::IsBorder(RoughLocation::Fine(15, 15, 0))
 	);
 	CPPUNIT_ASSERT_MESSAGE(
 		"position not border",
-		Chunk::IsBorder(Chunk::Pos(15, 15, 8))
+		Chunk::IsBorder(RoughLocation::Fine(15, 15, 8))
 	);
 	CPPUNIT_ASSERT_MESSAGE(
 		"position not border",
-		Chunk::IsBorder(Chunk::Pos(15, 15, 15))
+		Chunk::IsBorder(RoughLocation::Fine(15, 15, 15))
 	);
 
 	CPPUNIT_ASSERT_MESSAGE(
 		"position not border",
-		Chunk::IsBorder(Chunk::ToIndex(Chunk::Pos(0, 0, 0)))
+		Chunk::IsBorder(Chunk::ToIndex(RoughLocation::Fine(0, 0, 0)))
 	);
 	CPPUNIT_ASSERT_MESSAGE(
 		"position not border",
-		Chunk::IsBorder(Chunk::ToIndex(Chunk::Pos(0, 0, 8)))
+		Chunk::IsBorder(Chunk::ToIndex(RoughLocation::Fine(0, 0, 8)))
 	);
 	CPPUNIT_ASSERT_MESSAGE(
 		"position not border",
-		Chunk::IsBorder(Chunk::ToIndex(Chunk::Pos(0, 0, 15)))
+		Chunk::IsBorder(Chunk::ToIndex(RoughLocation::Fine(0, 0, 15)))
 	);
 	CPPUNIT_ASSERT_MESSAGE(
 		"position not border",
-		Chunk::IsBorder(Chunk::ToIndex(Chunk::Pos(0, 8, 0)))
+		Chunk::IsBorder(Chunk::ToIndex(RoughLocation::Fine(0, 8, 0)))
 	);
 	CPPUNIT_ASSERT_MESSAGE(
 		"position not border",
-		Chunk::IsBorder(Chunk::ToIndex(Chunk::Pos(0, 8, 8)))
+		Chunk::IsBorder(Chunk::ToIndex(RoughLocation::Fine(0, 8, 8)))
 	);
 	CPPUNIT_ASSERT_MESSAGE(
 		"position not border",
-		Chunk::IsBorder(Chunk::ToIndex(Chunk::Pos(0, 8, 15)))
+		Chunk::IsBorder(Chunk::ToIndex(RoughLocation::Fine(0, 8, 15)))
 	);
 	CPPUNIT_ASSERT_MESSAGE(
 		"position not border",
-		Chunk::IsBorder(Chunk::ToIndex(Chunk::Pos(0, 15, 0)))
+		Chunk::IsBorder(Chunk::ToIndex(RoughLocation::Fine(0, 15, 0)))
 	);
 	CPPUNIT_ASSERT_MESSAGE(
 		"position not border",
-		Chunk::IsBorder(Chunk::ToIndex(Chunk::Pos(0, 15, 8)))
+		Chunk::IsBorder(Chunk::ToIndex(RoughLocation::Fine(0, 15, 8)))
 	);
 	CPPUNIT_ASSERT_MESSAGE(
 		"position not border",
-		Chunk::IsBorder(Chunk::ToIndex(Chunk::Pos(0, 15, 15)))
+		Chunk::IsBorder(Chunk::ToIndex(RoughLocation::Fine(0, 15, 15)))
 	);
 	CPPUNIT_ASSERT_MESSAGE(
 		"position not border",
-		Chunk::IsBorder(Chunk::ToIndex(Chunk::Pos(8, 0, 0)))
+		Chunk::IsBorder(Chunk::ToIndex(RoughLocation::Fine(8, 0, 0)))
 	);
 	CPPUNIT_ASSERT_MESSAGE(
 		"position not border",
-		Chunk::IsBorder(Chunk::ToIndex(Chunk::Pos(8, 0, 8)))
+		Chunk::IsBorder(Chunk::ToIndex(RoughLocation::Fine(8, 0, 8)))
 	);
 	CPPUNIT_ASSERT_MESSAGE(
 		"position not border",
-		Chunk::IsBorder(Chunk::ToIndex(Chunk::Pos(8, 0, 15)))
+		Chunk::IsBorder(Chunk::ToIndex(RoughLocation::Fine(8, 0, 15)))
 	);
 	CPPUNIT_ASSERT_MESSAGE(
 		"position not border",
-		Chunk::IsBorder(Chunk::ToIndex(Chunk::Pos(8, 8, 0)))
+		Chunk::IsBorder(Chunk::ToIndex(RoughLocation::Fine(8, 8, 0)))
 	);
 	CPPUNIT_ASSERT_MESSAGE(
 		"position is border",
-		!Chunk::IsBorder(Chunk::ToIndex(Chunk::Pos(8, 8, 8)))
+		!Chunk::IsBorder(Chunk::ToIndex(RoughLocation::Fine(8, 8, 8)))
 	);
 	CPPUNIT_ASSERT_MESSAGE(
 		"position not border",
-		Chunk::IsBorder(Chunk::ToIndex(Chunk::Pos(8, 8, 15)))
+		Chunk::IsBorder(Chunk::ToIndex(RoughLocation::Fine(8, 8, 15)))
 	);
 	CPPUNIT_ASSERT_MESSAGE(
 		"position not border",
-		Chunk::IsBorder(Chunk::ToIndex(Chunk::Pos(8, 15, 0)))
+		Chunk::IsBorder(Chunk::ToIndex(RoughLocation::Fine(8, 15, 0)))
 	);
 	CPPUNIT_ASSERT_MESSAGE(
 		"position not border",
-		Chunk::IsBorder(Chunk::ToIndex(Chunk::Pos(8, 15, 8)))
+		Chunk::IsBorder(Chunk::ToIndex(RoughLocation::Fine(8, 15, 8)))
 	);
 	CPPUNIT_ASSERT_MESSAGE(
 		"position not border",
-		Chunk::IsBorder(Chunk::ToIndex(Chunk::Pos(8, 15, 15)))
+		Chunk::IsBorder(Chunk::ToIndex(RoughLocation::Fine(8, 15, 15)))
 	);
 	CPPUNIT_ASSERT_MESSAGE(
 		"position not border",
-		Chunk::IsBorder(Chunk::ToIndex(Chunk::Pos(15, 0, 0)))
+		Chunk::IsBorder(Chunk::ToIndex(RoughLocation::Fine(15, 0, 0)))
 	);
 	CPPUNIT_ASSERT_MESSAGE(
 		"position not border",
-		Chunk::IsBorder(Chunk::ToIndex(Chunk::Pos(15, 0, 8)))
+		Chunk::IsBorder(Chunk::ToIndex(RoughLocation::Fine(15, 0, 8)))
 	);
 	CPPUNIT_ASSERT_MESSAGE(
 		"position not border",
-		Chunk::IsBorder(Chunk::ToIndex(Chunk::Pos(15, 0, 15)))
+		Chunk::IsBorder(Chunk::ToIndex(RoughLocation::Fine(15, 0, 15)))
 	);
 	CPPUNIT_ASSERT_MESSAGE(
 		"position not border",
-		Chunk::IsBorder(Chunk::ToIndex(Chunk::Pos(15, 8, 0)))
+		Chunk::IsBorder(Chunk::ToIndex(RoughLocation::Fine(15, 8, 0)))
 	);
 	CPPUNIT_ASSERT_MESSAGE(
 		"position not border",
-		Chunk::IsBorder(Chunk::ToIndex(Chunk::Pos(15, 8, 8)))
+		Chunk::IsBorder(Chunk::ToIndex(RoughLocation::Fine(15, 8, 8)))
 	);
 	CPPUNIT_ASSERT_MESSAGE(
 		"position not border",
-		Chunk::IsBorder(Chunk::ToIndex(Chunk::Pos(15, 8, 15)))
+		Chunk::IsBorder(Chunk::ToIndex(RoughLocation::Fine(15, 8, 15)))
 	);
 	CPPUNIT_ASSERT_MESSAGE(
 		"position not border",
-		Chunk::IsBorder(Chunk::ToIndex(Chunk::Pos(15, 15, 0)))
+		Chunk::IsBorder(Chunk::ToIndex(RoughLocation::Fine(15, 15, 0)))
 	);
 	CPPUNIT_ASSERT_MESSAGE(
 		"position not border",
-		Chunk::IsBorder(Chunk::ToIndex(Chunk::Pos(15, 15, 8)))
+		Chunk::IsBorder(Chunk::ToIndex(RoughLocation::Fine(15, 15, 8)))
 	);
 	CPPUNIT_ASSERT_MESSAGE(
 		"position not border",
-		Chunk::IsBorder(Chunk::ToIndex(Chunk::Pos(15, 15, 15)))
+		Chunk::IsBorder(Chunk::ToIndex(RoughLocation::Fine(15, 15, 15)))
 	);
 }
 
@@ -305,7 +307,7 @@ void ChunkTest::testNeighbor() {
 	for (int i = 0; i < Block::FACE_COUNT; ++i) {
 		Block::Face face = Block::Face(i);
 		neighbor->Position(Block::FaceNormal(face));
-		chunk->SetNeighbor(*neighbor);
+		chunk->SetNeighbor(face, *neighbor);
 		CPPUNIT_ASSERT_MESSAGE(
 			"chunk did not link right neighbor",
 			chunk->HasNeighbor(face)
@@ -323,16 +325,6 @@ void ChunkTest::testNeighbor() {
 			&*chunk, &neighbor->GetNeighbor(Block::Opposite(face))
 		);
 		chunk->Unlink();
-		chunk->ClearNeighbors();
-	}
-
-	neighbor->Position({1, 1, 1});
-	chunk->SetNeighbor(*neighbor);
-	for (int i = 0; i < Block::FACE_COUNT; ++i) {
-		CPPUNIT_ASSERT_MESSAGE(
-			"chunk linked with non-neighbor",
-			!chunk->HasNeighbor(Block::Face(i))
-		);
 	}
 }
 
@@ -390,67 +382,144 @@ void ChunkTest::testLight() {
 
 void ChunkTest::testLightPropagation() {
 	unique_ptr<Chunk> chunk(new Chunk(types));
+	// this is required to make the chunk do lighting propagation at all
+	chunk->ScanLights();
 
 	// 0 air, 1 solid, 2 solid and emits light level of 5
-	chunk->SetBlock(Chunk::Pos(7, 7, 7), Block(2));
+	chunk->SetBlock(RoughLocation::Fine(7, 7, 7), Block(2));
 	CPPUNIT_ASSERT_EQUAL_MESSAGE(
 		"adding luminant block did not set correct light level",
-		5, chunk->GetLight(Chunk::Pos(7, 7, 7))
+		5, chunk->GetLight(RoughLocation::Fine(7, 7, 7))
 	);
 
 	CPPUNIT_ASSERT_EQUAL_MESSAGE(
 		"light did not propagate correctly in +X",
-		4, chunk->GetLight(Chunk::Pos(8, 7, 7))
+		4, chunk->GetLight(RoughLocation::Fine(8, 7, 7))
 	);
 	CPPUNIT_ASSERT_EQUAL_MESSAGE(
 		"light did not propagate correctly in -X",
-		4, chunk->GetLight(Chunk::Pos(6, 7, 7))
+		4, chunk->GetLight(RoughLocation::Fine(6, 7, 7))
 	);
 	CPPUNIT_ASSERT_EQUAL_MESSAGE(
 		"light did not propagate correctly in +Y",
-		4, chunk->GetLight(Chunk::Pos(7, 8, 7))
+		4, chunk->GetLight(RoughLocation::Fine(7, 8, 7))
 	);
 	CPPUNIT_ASSERT_EQUAL_MESSAGE(
 		"light did not propagate correctly in -Y",
-		4, chunk->GetLight(Chunk::Pos(7, 6, 7))
+		4, chunk->GetLight(RoughLocation::Fine(7, 6, 7))
 	);
 	CPPUNIT_ASSERT_EQUAL_MESSAGE(
 		"light did not propagate correctly in +Z",
-		4, chunk->GetLight(Chunk::Pos(7, 7, 8))
+		4, chunk->GetLight(RoughLocation::Fine(7, 7, 8))
 	);
 	CPPUNIT_ASSERT_EQUAL_MESSAGE(
 		"light did not propagate correctly in -Z",
-		4, chunk->GetLight(Chunk::Pos(7, 7, 6))
+		4, chunk->GetLight(RoughLocation::Fine(7, 7, 6))
 	);
 
 	CPPUNIT_ASSERT_EQUAL_MESSAGE(
 		"light did not propagate correctly in 2D diagonal",
-		3, chunk->GetLight(Chunk::Pos(8, 8, 7))
+		3, chunk->GetLight(RoughLocation::Fine(8, 8, 7))
 	);
 	CPPUNIT_ASSERT_EQUAL_MESSAGE(
 		"light did not propagate correctly in 2D diagonal",
-		3, chunk->GetLight(Chunk::Pos(7, 6, 8))
+		3, chunk->GetLight(RoughLocation::Fine(7, 6, 8))
 	);
 	CPPUNIT_ASSERT_EQUAL_MESSAGE(
 		"light did not propagate correctly in 2D diagonal",
-		3, chunk->GetLight(Chunk::Pos(6, 7, 8))
+		3, chunk->GetLight(RoughLocation::Fine(6, 7, 8))
 	);
 
 	CPPUNIT_ASSERT_EQUAL_MESSAGE(
 		"light did not propagate correctly in 3D diagonal",
-		2, chunk->GetLight(Chunk::Pos(8, 6, 6))
+		2, chunk->GetLight(RoughLocation::Fine(8, 6, 6))
 	);
 	CPPUNIT_ASSERT_EQUAL_MESSAGE(
 		"light did not propagate correctly in 3D diagonal",
-		2, chunk->GetLight(Chunk::Pos(6, 6, 8))
+		2, chunk->GetLight(RoughLocation::Fine(6, 6, 8))
 	);
 	CPPUNIT_ASSERT_EQUAL_MESSAGE(
 		"light did not propagate correctly in 3D diagonal",
-		2, chunk->GetLight(Chunk::Pos(6, 8, 8))
+		2, chunk->GetLight(RoughLocation::Fine(6, 8, 8))
 	);
 
 	// now block the light to the left
-	chunk->SetBlock(Chunk::Pos(6, 7, 7), Block(1));
+	chunk->SetBlock(RoughLocation::Fine(6, 7, 7), Block(1));
+	CPPUNIT_ASSERT_EQUAL_MESSAGE(
+		"adding obstacle affected unrelated index",
+		5, chunk->GetLight(RoughLocation::Fine(7, 7, 7))
+	);
+	CPPUNIT_ASSERT_EQUAL_MESSAGE(
+		"adding obstacle affected unrelated index",
+		4, chunk->GetLight(RoughLocation::Fine(8, 7, 7))
+	);
+	CPPUNIT_ASSERT_EQUAL_MESSAGE(
+		"adding obstacle affected unrelated index",
+		4, chunk->GetLight(RoughLocation::Fine(7, 8, 7))
+	);
+	CPPUNIT_ASSERT_EQUAL_MESSAGE(
+		"adding obstacle affected unrelated index",
+		4, chunk->GetLight(RoughLocation::Fine(7, 6, 7))
+	);
+	CPPUNIT_ASSERT_EQUAL_MESSAGE(
+		"adding obstacle affected unrelated index",
+		4, chunk->GetLight(RoughLocation::Fine(7, 7, 8))
+	);
+	CPPUNIT_ASSERT_EQUAL_MESSAGE(
+		"adding obstacle affected unrelated index",
+		4, chunk->GetLight(RoughLocation::Fine(7, 7, 6))
+	);
+	CPPUNIT_ASSERT_EQUAL_MESSAGE(
+		"adding obstacle affected unrelated index",
+		3, chunk->GetLight(RoughLocation::Fine(6, 6, 7))
+	);
+	CPPUNIT_ASSERT_EQUAL_MESSAGE(
+		"adding obstacle affected unrelated index",
+		3, chunk->GetLight(RoughLocation::Fine(6, 8, 7))
+	);
+	CPPUNIT_ASSERT_EQUAL_MESSAGE(
+		"adding obstacle affected unrelated index",
+		3, chunk->GetLight(RoughLocation::Fine(6, 7, 6))
+	);
+	CPPUNIT_ASSERT_EQUAL_MESSAGE(
+		"adding obstacle affected unrelated index",
+		3, chunk->GetLight(RoughLocation::Fine(6, 7, 6))
+	);
+	CPPUNIT_ASSERT_EQUAL_MESSAGE(
+		"adding obstacle affected unrelated index",
+		2, chunk->GetLight(RoughLocation::Fine(5, 6, 7))
+	);
+	CPPUNIT_ASSERT_EQUAL_MESSAGE(
+		"adding obstacle affected unrelated index",
+		2, chunk->GetLight(RoughLocation::Fine(5, 8, 7))
+	);
+	CPPUNIT_ASSERT_EQUAL_MESSAGE(
+		"adding obstacle affected unrelated index",
+		2, chunk->GetLight(RoughLocation::Fine(5, 7, 6))
+	);
+	CPPUNIT_ASSERT_EQUAL_MESSAGE(
+		"adding obstacle affected unrelated index",
+		2, chunk->GetLight(RoughLocation::Fine(5, 7, 6))
+	);
+	CPPUNIT_ASSERT_EQUAL_MESSAGE(
+		"adding obstacle resulted in unexpected light level behind it",
+		1, chunk->GetLight(RoughLocation::Fine(5, 7, 7))
+	);
+
+	// and remove it again
+	chunk->SetBlock(RoughLocation::Fine(6, 7, 7), Block(0));
+	CPPUNIT_ASSERT_EQUAL_MESSAGE(
+		"removing obstacle did not refill light correctly",
+		4, chunk->GetLight(RoughLocation::Fine(6, 7, 7))
+	);
+	CPPUNIT_ASSERT_EQUAL_MESSAGE(
+		"removing obstacle did not refill light correctly",
+		3, chunk->GetLight(RoughLocation::Fine(5, 7, 7))
+	);
+	CPPUNIT_ASSERT_EQUAL_MESSAGE(
+		"removing obstacle did not refill light correctly",
+		2, chunk->GetLight(RoughLocation::Fine(4, 7, 7))
+	);
 }
 
 }