From 1384108f8c32f309852c1d1665a613f2a3e3fcc2 Mon Sep 17 00:00:00 2001
From: kwolekr <kwolekr@minetest.net>
Date: Wed, 4 Nov 2015 03:33:12 -0500
Subject: Schematics: Add core.place_schematic_on_vmanip API

Fix memory leak in minetest.place_schematic
Slightly refactor Schematic code
---
 src/script/lua_api/l_mapgen.cpp | 45 ++++++++++++++++++++++++++++++++++++++++-
 1 file changed, 44 insertions(+), 1 deletion(-)

(limited to 'src/script/lua_api/l_mapgen.cpp')

diff --git a/src/script/lua_api/l_mapgen.cpp b/src/script/lua_api/l_mapgen.cpp
index 7adb6a534..d5cf54f24 100644
--- a/src/script/lua_api/l_mapgen.cpp
+++ b/src/script/lua_api/l_mapgen.cpp
@@ -1271,12 +1271,54 @@ int ModApiMapgen::l_place_schematic(lua_State *L)
 		return 0;
 	}
 
-	schem->placeStructure(map, p, 0, (Rotation)rot, force_placement);
+	schem->placeOnMap(map, p, 0, (Rotation)rot, force_placement);
 
 	lua_pushboolean(L, true);
 	return 1;
 }
 
+int ModApiMapgen::l_place_schematic_on_vmanip(lua_State *L)
+{
+	NO_MAP_LOCK_REQUIRED;
+
+	SchematicManager *schemmgr = getServer(L)->getEmergeManager()->schemmgr;
+
+	//// Read VoxelManip object
+	MMVManip *vm = LuaVoxelManip::checkobject(L, 1)->vm;
+
+	//// Read position
+	v3s16 p = check_v3s16(L, 2);
+
+	//// Read rotation
+	int rot = ROTATE_0;
+	const char *enumstr = lua_tostring(L, 4);
+	if (enumstr)
+		string_to_enum(es_Rotation, rot, std::string(enumstr));
+
+	//// Read force placement
+	bool force_placement = true;
+	if (lua_isboolean(L, 6))
+		force_placement = lua_toboolean(L, 6);
+
+	//// Read node replacements
+	StringMap replace_names;
+	if (lua_istable(L, 5))
+		read_schematic_replacements(L, 5, &replace_names);
+
+	//// Read schematic
+	Schematic *schem = get_or_load_schematic(L, 3, schemmgr, &replace_names);
+	if (!schem) {
+		errorstream << "place_schematic: failed to get schematic" << std::endl;
+		return 0;
+	}
+
+	bool schematic_did_fit = schem->placeOnVManip(
+		vm, p, 0, (Rotation)rot, force_placement);
+
+	lua_pushboolean(L, schematic_did_fit);
+	return 1;
+}
+
 // serialize_schematic(schematic, format, options={...})
 int ModApiMapgen::l_serialize_schematic(lua_State *L)
 {
@@ -1355,5 +1397,6 @@ void ModApiMapgen::Initialize(lua_State *L, int top)
 	API_FCT(generate_decorations);
 	API_FCT(create_schematic);
 	API_FCT(place_schematic);
+	API_FCT(place_schematic_on_vmanip);
 	API_FCT(serialize_schematic);
 }
-- 
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