+// register_biome_groups({frequencies})
+static int l_register_biome_groups(lua_State *L)
+{
+ luaL_checktype(L, 1, LUA_TTABLE);
+ int index = 1;
+ if (!lua_istable(L, index))
+ throw LuaError(L, "register_biome_groups: parameter is not a table");
+
+ BiomeDefManager *bmgr = get_server(L)->getBiomeDef();
+ if (!bmgr) {
+ verbosestream << "register_biome_groups: BiomeDefManager not active" << std::endl;
+ return 0;
+ }
+
+ lua_pushnil(L);
+ for (int i = 1; lua_next(L, index) != 0; i++) {
+ bmgr->addBiomeGroup(lua_tonumber(L, -1));
+ lua_pop(L, 1);
+ }
+ lua_pop(L, 1);
+
+ return 0;
+}
+
+// register_biome({lots of stuff})
+static int l_register_biome(lua_State *L)
+{
+ luaL_checktype(L, 1, LUA_TTABLE);
+ int index = 1, groupid;
+ std::string nodename;
+
+ IWritableNodeDefManager *ndef = get_server(L)->getWritableNodeDefManager();
+ BiomeDefManager *bmgr = get_server(L)->getBiomeDef();
+ if (!bmgr) {
+ verbosestream << "register_biome: BiomeDefManager not active" << std::endl;
+ return 0;
+ }
+
+ groupid = getintfield_default(L, index, "group_id", 0);
+
+ enum BiomeTerrainType terrain = (BiomeTerrainType)getenumfield(L, index,
+ "terrain_type", es_BiomeTerrainType, BIOME_TERRAIN_NORMAL);
+ Biome *b = bmgr->createBiome(terrain);
+
+ b->name = getstringfield_default(L, index, "name", "");
+
+ if (getstringfield(L, index, "node_top", nodename))
+ b->n_top = MapNode(ndef->getId(nodename));
+ else
+ b->n_top = MapNode(CONTENT_IGNORE);
+
+ if (getstringfield(L, index, "node_filler", nodename))
+ b->n_filler = MapNode(ndef->getId(nodename));
+ else
+ b->n_filler = b->n_top;
+
+ b->ntopnodes = getintfield_default(L, index, "num_top_nodes", 0);
+
+ b->height_min = getintfield_default(L, index, "height_min", 0);
+ b->height_max = getintfield_default(L, index, "height_max", 0);
+ b->heat_min = getfloatfield_default(L, index, "heat_min", 0.);
+ b->heat_max = getfloatfield_default(L, index, "heat_max", 0.);
+ b->humidity_min = getfloatfield_default(L, index, "humidity_min", 0.);
+ b->humidity_max = getfloatfield_default(L, index, "humidity_max", 0.);
+
+ b->np = new NoiseParams; // should read an entire NoiseParams later on...
+ getfloatfield(L, index, "scale", b->np->scale);
+ getfloatfield(L, index, "offset", b->np->offset);
+
+ b->groupid = (s8)groupid;
+ b->flags = 0; //reserved
+
+ bmgr->addBiome(b);
+
+ verbosestream << "register_biome: " << b->name << std::endl;
+ return 0;
+}
+