Add core.find_nodes_with_meta() script API

2 files changed, 20 insertions, 1 deletions

diff --git a/src/script/lua_api/l_env.cpp b/src/script/lua_api/l_env.cpp
index 0fe1ddec3..9581d1ef3 100644
--- a/src/script/lua_api/l_env.cpp
+++ b/src/script/lua_api/l_env.cpp
@@ -334,6 +334,22 @@ int ModApiEnvMod::l_add_node_level(lua_State *L)
 	return 1;
 }
 
+// find_nodes_with_meta(pos1, pos2)
+int ModApiEnvMod::l_find_nodes_with_meta(lua_State *L)
+{
+	GET_ENV_PTR;
+
+	std::vector<v3s16> positions = env->getMap().findNodesWithMetadata(
+		check_v3s16(L, 1), check_v3s16(L, 2));
+
+	lua_newtable(L);
+	for (size_t i = 0; i != positions.size(); i++) {
+		push_v3s16(L, positions[i]);
+		lua_rawseti(L, -2, i + 1);
+	}
+
+	return 1;
+}
 
 // get_meta(pos)
 int ModApiEnvMod::l_get_meta(lua_State *L)
@@ -912,6 +928,7 @@ void ModApiEnvMod::Initialize(lua_State *L, int top)
 	API_FCT(set_node_level);
 	API_FCT(add_node_level);
 	API_FCT(add_entity);
+	API_FCT(find_nodes_with_meta);
 	API_FCT(get_meta);
 	API_FCT(get_node_timer);
 	API_FCT(get_player_by_name);
diff --git a/src/script/lua_api/l_env.h b/src/script/lua_api/l_env.h
index 5c9afd2f1..0d4ca788e 100644
--- a/src/script/lua_api/l_env.h
+++ b/src/script/lua_api/l_env.h
@@ -64,7 +64,6 @@ private:
 	// pos = {x=num, y=num, z=num}
 	static int l_punch_node(lua_State *L);
 
-
 	// get_node_max_level(pos)
 	// pos = {x=num, y=num, z=num}
 	static int l_get_node_max_level(lua_State *L);
@@ -81,6 +80,9 @@ private:
 	// pos = {x=num, y=num, z=num}
 	static int l_add_node_level(lua_State *L);
 
+	// find_nodes_with_meta(pos1, pos2)
+	static int l_find_nodes_with_meta(lua_State *L);
+
 	// get_meta(pos)
 	static int l_get_meta(lua_State *L);