Fix some reference counters (memleak) (#8981)

Fix some reference counters (memleak)
Map::dispatchEvent: Allocation safety using references

3 files changed, 4 insertions, 4 deletions

diff --git a/src/script/lua_api/l_env.cpp b/src/script/lua_api/l_env.cpp
index 34e079af7..a56b1cb0b 100644
--- a/src/script/lua_api/l_env.cpp
+++ b/src/script/lua_api/l_env.cpp
@@ -1035,7 +1035,7 @@ int ModApiEnvMod::l_fix_light(lua_State *L)
 		for (auto &modified_block : modified_blocks)
 			event.modified_blocks.insert(modified_block.first);
 
-		map.dispatchEvent(&event);
+		map.dispatchEvent(event);
 	}
 	lua_pushboolean(L, success);
 
@@ -1144,7 +1144,7 @@ int ModApiEnvMod::l_delete_area(lua_State *L)
 		}
 	}
 
-	map.dispatchEvent(&event);
+	map.dispatchEvent(event);
 	lua_pushboolean(L, success);
 	return 1;
 }
diff --git a/src/script/lua_api/l_nodemeta.cpp b/src/script/lua_api/l_nodemeta.cpp
index 22fc61782..229ce73db 100644
--- a/src/script/lua_api/l_nodemeta.cpp
+++ b/src/script/lua_api/l_nodemeta.cpp
@@ -68,7 +68,7 @@ void NodeMetaRef::reportMetadataChange(const std::string *name)
 	event.type = MEET_BLOCK_NODE_METADATA_CHANGED;
 	event.p = m_p;
 	event.is_private_change = name && meta && meta->isPrivate(*name);
-	m_env->getMap().dispatchEvent(&event);
+	m_env->getMap().dispatchEvent(event);
 }
 
 // Exported functions
diff --git a/src/script/lua_api/l_vmanip.cpp b/src/script/lua_api/l_vmanip.cpp
index c92983bd3..fd73d21d1 100644
--- a/src/script/lua_api/l_vmanip.cpp
+++ b/src/script/lua_api/l_vmanip.cpp
@@ -126,7 +126,7 @@ int LuaVoxelManip::l_write_to_map(lua_State *L)
 	for (const auto &modified_block : o->modified_blocks)
 		event.modified_blocks.insert(modified_block.first);
 
-	map->dispatchEvent(&event);
+	map->dispatchEvent(event);
 
 	o->modified_blocks.clear();
 	return 0;