From 978a605ada755b0a02f8e8ea768c3af7e40b4cd7 Mon Sep 17 00:00:00 2001
From: Stanislaw Halik <sthalik@misaki.pl>
Date: Wed, 26 Oct 2022 21:05:46 +0200
Subject: allow forced collecting empty tiles

---
 src/world.cpp | 4 ++--
 src/world.hpp | 2 +-
 2 files changed, 3 insertions(+), 3 deletions(-)

(limited to 'src')

diff --git a/src/world.cpp b/src/world.cpp
index dcb1b4a3..07a83afe 100644
--- a/src/world.cpp
+++ b/src/world.cpp
@@ -51,12 +51,12 @@ void world::maybe_collect()
         collect();
 }
 
-void world::collect()
+void world::collect(bool force)
 {
     for (auto it = _chunks.begin(); it != _chunks.end(); (void)0)
     {
         const auto& [_, c] = *it;
-        if (c.empty())
+        if (c.empty(force))
             it = _chunks.erase(it);
         else
             ++it;
diff --git a/src/world.hpp b/src/world.hpp
index 1b05a824..cbdec4f5 100644
--- a/src/world.hpp
+++ b/src/world.hpp
@@ -36,7 +36,7 @@ public:
     std::tuple<chunk&, tile&> operator[](global_coords pt) noexcept;
     bool contains(chunk_coords c) const noexcept;
     void clear();
-    void collect();
+    void collect(bool force = false);
 
     [[deprecated]] const auto& chunks() const noexcept {  return _chunks; } // only for serialization
 
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