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-rw-r--r--bench/01-dijkstra.cpp2
-rw-r--r--src/dijkstra.cpp50
2 files changed, 35 insertions, 17 deletions
diff --git a/bench/01-dijkstra.cpp b/bench/01-dijkstra.cpp
index 66300721..08f310d4 100644
--- a/bench/01-dijkstra.cpp
+++ b/bench/01-dijkstra.cpp
@@ -66,6 +66,6 @@ void Dijkstra(benchmark::State& state)
} // namespace
-BENCHMARK(Dijkstra)->Unit(benchmark::kMillisecond);
+BENCHMARK(Dijkstra)->Unit(benchmark::kMillisecond)->ReportAggregatesOnly();
} // namespace floormat
diff --git a/src/dijkstra.cpp b/src/dijkstra.cpp
index b7ebc267..7d146ce9 100644
--- a/src/dijkstra.cpp
+++ b/src/dijkstra.cpp
@@ -1,6 +1,8 @@
#include "path-search.hpp"
+#include "compat/format.hpp"
#include "object.hpp"
#include "point.hpp"
+#include <cstdio>
#include <Corrade/Containers/StaticArray.h>
#include <Magnum/Math/Vector2.h>
#include <Magnum/Math/Functions.h>
@@ -81,7 +83,7 @@ inline uint32_t distance(point a, point b)
Vector2i dist;
dist += (a.coord() - b.coord())*iTILE_SIZE2;
dist += Vector2i(a.offset()) - Vector2i(b.offset());
- return (uint32_t)Math::sqrt(Math::abs(dist).dot());
+ return (uint32_t)Math::ceil(Math::sqrt(dist.dot()));
}
inline uint32_t distance_l2(point a, point b)
@@ -270,21 +272,6 @@ path_search_result astar::Dijkstra(world& w, const point from, const point to, o
}
//fm_debug_assert(nodes.size() == indexes.size());
-#ifndef FM_NO_DEBUG
- if (debug >= 1)
- {
- auto dbg = DBG_nospace;
- dbg << "dijkstra: ";
- if (goal_idx != (uint32_t)-1)
- dbg << "found len:" << nodes[goal_idx].dist;
- else
- {
- dbg << "closest px:" << closest_dist << " path:" << closest_path_len
- << " pos:" << closest_pos;
- }
- dbg << " nodes:" << nodes.size();
- }
-#endif
path_search_result result;
auto& path = result.path();
@@ -309,6 +296,37 @@ path_search_result astar::Dijkstra(world& w, const point from, const point to, o
result.set_time(timeline.currentFrameTime());
+#ifndef FM_NO_DEBUG
+ if (debug >= 1)
+ {
+ auto d0_ =
+ Vector2i(Math::abs(from.coord() - to.coord())) * iTILE_SIZE2
+ + Vector2i(Math::abs(Vector2i(from.offset()) - Vector2i(to.offset())));
+ auto d0 = (uint32_t)d0_.length();
+ char buf[128];
+ size_t len;
+ if (goal_idx != (uint32_t)-1)
+ {
+ auto d = nodes[goal_idx].dist;
+ len = snformat(buf, "Dijkstra: found time:{:.3} len:{} len0:{} ratio:{:.4}\n"_cf,
+ result.time()*1e3f,
+ d, d0,
+ d > 0 && d0 > 0 ? (float)d/(float)d0 : 1);
+ }
+ else
+ {
+ len = snformat(buf, "Dijkstra: not found closest:{} time:{:.3} len:{} len0:{} ratio:{:.4}\n"_cf,
+ closest_dist,
+ result.time()*1e3f,
+ closest_path_len,
+ d0,
+ closest_path_len > 0 && d0 > 0 ? (float)closest_path_len/(float)d0 : 1);
+ }
+ std::fwrite(buf, len, 1, stdout);
+ std::fflush(stdout);
+ }
+#endif
+
return result;
}