Noise: Prevent unittest crash caused by division by zero

[oweals/minetest.git] / src / emerge.h

diff --git a/src/emerge.h b/src/emerge.h
index 55be370d21dd542b47ea4c6cf5e6fa1c66932ff5..cf0a27d638200ebdd55c08d075f879c777cf2f0b 100644 (file)
--- a/src/emerge.h
+++ b/src/emerge.h
@@ -21,6 +21,7 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 #define EMERGE_HEADER
 
 #include <map>
+#include <mutex>
 #include "irr_v3d.h"
 #include "util/container.h"
 #include "mapgen.h" // for MapgenParams
@@ -46,20 +47,15 @@ class Server;
 
 // Structure containing inputs/outputs for chunk generation
 struct BlockMakeData {
-       MMVManip *vmanip;
-       u64 seed;
+       MMVManip *vmanip = nullptr;
+       u64 seed = 0;
        v3s16 blockpos_min;
        v3s16 blockpos_max;
        v3s16 blockpos_requested;
        UniqueQueue<v3s16> transforming_liquid;
-       INodeDefManager *nodedef;
-
-       BlockMakeData():
-               vmanip(NULL),
-               seed(0),
-               nodedef(NULL)
-       {}
+       INodeDefManager *nodedef = nullptr;
 
+       BlockMakeData() {}
        ~BlockMakeData() { delete vmanip; }
 };
 
@@ -95,7 +91,7 @@ public:
        bool enable_mapgen_debug_info;
 
        // Generation Notify
-       u32 gen_notify_on;
+       u32 gen_notify_on = 0;
        std::set<u32> gen_notify_on_deco_ids;
 
        // Parameters passed to mapgens owned by ServerMap
@@ -118,6 +114,7 @@ public:
        // Methods
        EmergeManager(Server *server);
        ~EmergeManager();
+       DISABLE_CLASS_COPY(EmergeManager);
 
        bool initMapgens(MapgenParams *mgparams);
 
@@ -143,7 +140,6 @@ public:
        Mapgen *getCurrentMapgen();
 
        // Mapgen helpers methods
-       Biome *getBiomeAtPoint(v3s16 p);
        int getSpawnLevelAtPoint(v2s16 p);
        int getGroundLevelAtPoint(v2s16 p);
        bool isBlockUnderground(v3s16 blockpos);
@@ -153,9 +149,9 @@ public:
 private:
        std::vector<Mapgen *> m_mapgens;
        std::vector<EmergeThread *> m_threads;
-       bool m_threads_active;
+       bool m_threads_active = false;
 
-       Mutex m_queue_mutex;
+       std::mutex m_queue_mutex;
        std::map<v3s16, BlockEmergeData> m_blocks_enqueued;
        std::unordered_map<u16, u16> m_peer_queue_count;
 
@@ -177,8 +173,6 @@ private:
        bool popBlockEmergeData(v3s16 pos, BlockEmergeData *bedata);
 
        friend class EmergeThread;
-
-       DISABLE_CLASS_COPY(EmergeManager);
 };
 
 #endif