3 files changed, 58 insertions, 1 deletions
diff --git a/test/app.cpp b/test/app.cpp
index 4677de39..8bccfbbd 100644
--- a/test/app.cpp
+++ b/test/app.cpp
@@ -51,6 +51,7 @@ int test_app::exec()
         FM_TEST(test_entity),
         FM_TEST(test_iptr),
         FM_TEST(test_hash),
+        FM_TEST(test_critter),
         FM_TEST(test_raycast),
         FM_TEST(test_json),
         FM_TEST(test_time),
@@ -111,7 +112,7 @@ int test_app::exec()
             fm_assert(num_tabs <= tab_limit);
             for (auto i = 0uz; i < num_tabs; i++)
                 std::fputc('\t', s);
-            std::fprintf(s, "% 12.3f ms\n", (double)ms);
+            std::fprintf(s, "%12.3f ms\n", (double)ms);
             std::fflush(s);
         }
     }
diff --git a/test/app.hpp b/test/app.hpp
index d100ab13..e7db04cb 100644
--- a/test/app.hpp
+++ b/test/app.hpp
@@ -25,6 +25,7 @@ struct test_app final : private FM_APPLICATION
     static void test_astar_pool();
     static void test_bitmask();
     static void test_coords();
+    static void test_critter();
     static void test_dijkstra();
     static void test_entity();
     static void test_hash();
diff --git a/test/critter.cpp b/test/critter.cpp
new file mode 100644
index 00000000..6eb42315
--- /dev/null
+++ b/test/critter.cpp
@@ -0,0 +1,55 @@
+#include "app.hpp"
+#include "compat/shared-ptr-wrapper.hpp"
+#include "src/critter.hpp"
+#include "src/world.hpp"
+#include "src/wall-atlas.hpp"
+#include "loader/loader.hpp"
+
+namespace floormat {
+
+namespace {
+
+/* ***** TEST 1 *****
+ *
+ * wall n 0x0 - 8:9
+ * wall n 0x1 - 8:0
+ *
+ * npc speed=5 bbox-offset=0 bbox-size=32x32
+ *
+ * before chunk=0x0 tile=8:15 offset=-8:8
+ * after  chunk=0x0 tile=8:9  offset=-8:-16
+*/
+
+template<typename F> void test1(F&& make_dt)
+{
+    const auto W = wall_image_proto{ loader.wall_atlas("empty"), 0 };
+
+    auto w = world();
+    w[{{0,0,0}, {8,9}}].t.wall_north() = W;
+    w[{{0,1,0}, {8,0}}].t.wall_north() = W;
+
+    critter_proto cproto;
+    cproto.name = "Player"_s;
+    cproto.speed = 10;
+    cproto.playable = true;
+
+    object_id id = 0;
+    w.ensure_player_character(id, move(cproto));
+
+    w[chunk_coords_{0,0,0}].mark_modified();
+    w[chunk_coords_{0,1,0}].mark_modified();
+}
+
+template<typename F> void test2(F&& make_dt)
+{
+    // TODO diagonal!
+}
+
+} // namespace
+
+void test_app::test_critter()
+{
+
+}
+
+} // namespace floormat