Add minetest.clear_registered_decorations() and clear_registered_ores()

1 files changed, 26 insertions, 0 deletions

diff --git a/src/mg_decoration.cpp b/src/mg_decoration.cpp
index 20b9fbda6..14368c091 100644
--- a/src/mg_decoration.cpp
+++ b/src/mg_decoration.cpp
@@ -38,6 +38,12 @@ FlagDesc flagdesc_deco[] = {
 ///////////////////////////////////////////////////////////////////////////////
 
 
+DecorationManager::DecorationManager(IGameDef *gamedef) :
+	GenElementManager(gamedef)
+{
+}
+
+
 size_t DecorationManager::placeAllDecos(Mapgen *mg, u32 seed, v3s16 nmin, v3s16 nmax)
 {
 	size_t nplaced = 0;
@@ -55,6 +61,19 @@ size_t DecorationManager::placeAllDecos(Mapgen *mg, u32 seed, v3s16 nmin, v3s16
 }
 
 
+void DecorationManager::clear()
+{
+	for (size_t i = 0; i < m_elements.size(); i++) {
+		Decoration *deco = (Decoration *)m_elements[i];
+		if (!deco)
+			continue;
+
+		deco->dropResolverEntries(m_resolver);
+	}
+	m_elements.clear();
+}
+
+
 ///////////////////////////////////////////////////////////////////////////////
 
 
@@ -291,6 +310,13 @@ int DecoSimple::getHeight()
 }
 
 
+void DecoSimple::dropResolverEntries(NodeResolver *resolver)
+{
+	resolver->cancelNodeList(&c_decos);
+	resolver->cancelNodeList(&c_spawnby);
+}
+
+
 ///////////////////////////////////////////////////////////////////////////////