display timing info in region generator

2 files changed, 23 insertions, 5 deletions

diff --git a/src/chunk-region.cpp b/src/chunk-region.cpp
index c0afe9f0..fb85223b 100644
--- a/src/chunk-region.cpp
+++ b/src/chunk-region.cpp
@@ -8,6 +8,7 @@
 #include <array>
 #include <Corrade/Containers/GrowableArray.h>
 #include <Magnum/Math/Functions.h>
+#include <Magnum/Timeline.h>
 
 namespace floormat {
 
@@ -128,13 +129,17 @@ auto default_region_predicate(chunk& c) noexcept
 
 } // namespace
 
-auto chunk::make_pass_region() -> pass_region
+auto chunk::make_pass_region(bool debug) -> pass_region
 {
-    return make_pass_region(default_region_predicate(*this));
+    return make_pass_region(default_region_predicate(*this), debug);
 }
 
-auto chunk::make_pass_region(const pred& f) -> pass_region
+auto chunk::make_pass_region(const pred& f, bool debug) -> pass_region
 {
+    Timeline timeline;
+    if (debug) [[unlikely]]
+        timeline.start();
+
     pass_region ret;
     auto& tmp = get_tmp();
     const auto nbs = _world->neighbors(_coord);
@@ -175,6 +180,19 @@ auto chunk::make_pass_region(const pred& f) -> pass_region
         }
     }
 
+    if (debug) [[unlikely]]
+    {
+        const auto time = timeline.currentFrameTime();
+        char buf[32];
+        std::snprintf(buf, sizeof buf, "%.3f", 1e3*(double)time);
+        auto c = Vector3i(_coord);
+        auto dbg = DBG_nospace;
+        dbg << "region: generating for chunk{" << c.x() << "," << c.y();
+        if (c.z() != 0)
+            dbg << "," << c.z();
+         dbg << "} took " << buf << " ms";
+    }
+
     return ret;
 }
 
diff --git a/src/chunk.hpp b/src/chunk.hpp
index e2b812fb..266d01e5 100644
--- a/src/chunk.hpp
+++ b/src/chunk.hpp
@@ -117,8 +117,8 @@ public:
     static constexpr size_t max_wall_quad_count =
         TILE_COUNT*Wall::Direction_COUNT*(Wall::Group_COUNT+4);
 
-    pass_region make_pass_region();
-    pass_region make_pass_region(const Search::pred& f);
+    pass_region make_pass_region(bool debug = false);
+    pass_region make_pass_region(const Search::pred& f, bool debug = false);
 
 private:
     struct ground_stuff