Initial commit of findPoint on terrain

2D navigate from a default/given starting point, possible scope for improvement, but it's
not exactly slow; <9ms

1 files changed, 19 insertions, 0 deletions

diff --git a/test/test-terrain.cpp b/test/test-terrain.cpp
index b2358d6..d062853 100644
--- a/test/test-terrain.cpp
+++ b/test/test-terrain.cpp
@@ -1,4 +1,5 @@
 #define BOOST_TEST_MODULE terrain
+#include <boost/test/data/test_case.hpp>
 #include <boost/test/unit_test.hpp>
 #include <stream_support.h>
 
@@ -46,3 +47,21 @@ BOOST_AUTO_TEST_CASE(trianglesContainsPoints)
 }
 
 BOOST_AUTO_TEST_SUITE_END();
+
+using FindPointData = std::tuple<glm::vec2, int>;
+
+static const TestTerrainMesh fixedTerrtain;
+
+// No boundary cases as these can produce different valid results depending on starting point
+BOOST_DATA_TEST_CASE(findPointOnTerrain,
+		boost::unit_test::data::make<FindPointData>({
+				{{0, 0}, -1}, {{xllcorner, 0}, -1}, {{0, yllcorner}, -1}, {{xllcorner + 1, yllcorner + 2}, 0},
+				{{xllcorner + (cellsize * (nrows - 1)) - 2, yllcorner + (cellsize * (ncols - 1)) - 1}, 79200},
+				{{315555, 495556}, 44400}, // perf test target
+		})
+				* boost::unit_test::data::make<int>(
+						{0, 1, 2, 3, 4, 5, 6, 10, 100, 150, 200, 1000, 1234, 17439, 79201, 79200, 79199}),
+		p, fh, start)
+{
+	BOOST_CHECK_EQUAL(fh, fixedTerrtain.findPoint(p, TerrainMesh::FaceHandle(start)).idx());
+}