From 9e8a33c4110131d1a38bf2e35cb79e3ee609098b Mon Sep 17 00:00:00 2001
From: MihailRis <mexaruc@gmail.com>
Date: Thu, 3 Oct 2024 18:07:19 +0300
Subject: [PATCH] delete blocksdata region file if there is no associated
 voxels region

---
 src/files/WorldRegions.cpp | 15 ++++++++++++++-
 src/files/WorldRegions.hpp |  2 ++
 2 files changed, 16 insertions(+), 1 deletion(-)

diff --git a/src/files/WorldRegions.cpp b/src/files/WorldRegions.cpp
index fee124c0..a96fc61b 100644
--- a/src/files/WorldRegions.cpp
+++ b/src/files/WorldRegions.cpp
@@ -285,7 +285,8 @@ void WorldRegions::processBlocksData(int x, int z, const BlockDataProc& func) {
     if (voxRegfile == nullptr) {
         logger.warning() << "missing voxels region - discard blocks data for "
             << x << "_" << z;
-        abort(); // TODO: delete region file
+        deleteRegion(REGION_LAYER_BLOCKS_DATA, x, z);
+        return;
     }
     for (uint cz = 0; cz < REGION_SIZE; cz++) {
         for (uint cx = 0; cx < REGION_SIZE; cx++) {
@@ -398,6 +399,18 @@ void WorldRegions::writeAll() {
     }
 }
 
+void WorldRegions::deleteRegion(RegionLayerIndex layerid, int x, int z) {
+    auto& layer = layers[layerid];
+    if (layer.getRegFile({x, z}, false)) {
+        throw std::runtime_error("region file is currently in use");
+    }
+    auto file = layer.getRegionFilePath(x, z);
+    if (fs::exists(file)) {
+        logger.info() << "remove region file " << file.u8string();
+        fs::remove(file);
+    }
+}
+
 bool WorldRegions::parseRegionFilename(
     const std::string& name, int& x, int& z
 ) {
diff --git a/src/files/WorldRegions.hpp b/src/files/WorldRegions.hpp
index 5bc3a5b2..ad0bc584 100644
--- a/src/files/WorldRegions.hpp
+++ b/src/files/WorldRegions.hpp
@@ -248,6 +248,8 @@ public:
     /// @brief Write all region layers
     void writeAll();
 
+    void deleteRegion(RegionLayerIndex layerid, int x, int z);
+
     /// @brief Extract X and Z from 'X_Z.bin' region file name.
     /// @param name source region file name
     /// @param x parsed X destination