mcl_structures.registered_structures = {} local function generate_loot(pos, def, pr) local hl = def.sidelen / 2 local p1 = vector.offset(pos,-hl,-hl,-hl) local p2 = vector.offset(pos,hl,hl,hl) for it,lt in pairs(def.loot) do local nodes = minetest.find_nodes_in_area(p1, p2, it) for _,p in pairs(nodes) do local lootitems = mcl_loot.get_multi_loot( lt, pr) mcl_structures.init_node_construct(p) local meta = minetest.get_meta(p) local inv = meta:get_inventory() mcl_loot.fill_inventory(inv, "main", lootitems, pr) end end end function mcl_structures.place_structure(pos, def, pr) if not def then return end local logging = not def.terrain_feature local y_offset = 0 if type(def.y_offset) == "function" then y_offset = def.y_offset(pr) elseif def.y_offset then y_offset = def.y_offset end local pp = vector.offset(pos,0,y_offset,0) if def.solid_ground and def.sidelen then local bn = minetest.get_biome_name(minetest.get_biome_data(pos).biome) local node_top = minetest.registered_biomes[bn].node_top local node_fill = minetest.registered_biomes[bn].node_filler local ground_p1 = vector.offset(pos,-def.sidelen/2,-1,-def.sidelen/2) local ground_p2 = vector.offset(pos,def.sidelen/2,-1,def.sidelen/2) local solid = minetest.find_nodes_in_area(ground_p1,ground_p2,{"group:solid"}) if #solid < ( def.sidelen * def.sidelen ) then if def.make_foundation then minetest.bulk_set_node(minetest.find_nodes_in_area(ground_p1,ground_p2,{"air","group:liquid"}),{name=node_top}) minetest.bulk_set_node(minetest.find_nodes_in_area(vector.offset(ground_p1,0,-1,0),vector.offset(ground_p2,0,-30,0),{"air","group:liquid"}),{name=node_fill}) else if logging then minetest.log("warning","[mcl_structures] "..def.name.." at "..minetest.pos_to_string(pos).." not placed. No solid ground.") end return false end end end if def.on_place and not def.on_place(pos,def,pr) then if logging then minetest.log("warning","[mcl_structures] "..def.name.." at "..minetest.pos_to_string(pos).." not placed. Conditions not satisfied.") end return false end if def.filenames then table.shuffle(def.filenames) local file = def.filenames[1] if file then local ap = function(pos,def,pr) end if def.after_place then ap = def.after_place end mcl_structures.place_schematic(pp, file, "random", nil, true, "place_center_x,place_center_z",function(p) if def.loot then generate_loot(pos,def,pr) end return ap(pos,def,pr) end,pr) if logging then minetest.log("action","[mcl_structures] "..def.name.." placed at "..minetest.pos_to_string(pos)) end return true end elseif def.place_func and def.place_func(pos,def,pr) then if not def.after_place or ( def.after_place and def.after_place(pos,def,pr) ) then if logging then minetest.log("action","[mcl_structures] "..def.name.." placed at "..minetest.pos_to_string(pos)) end return true end end if logging then minetest.log("warning","[mcl_structures] placing "..def.name.." failed at "..minetest.pos_to_string(pos)) end end function mcl_structures.register_structure(name,def,nospawn) --nospawn means it will be placed by another (non-nospawn) structure that contains it's structblock i.e. it will not be placed by mapgen directly local structblock = "mcl_structures:structblock_"..name local flags = "place_center_x, place_center_z, force_placement" local y_offset = 0 local sbgroups = { structblock = 1, not_in_creative_inventory=1 } if def.flags then flags = def.flags end def.name = name if nospawn then sbgroups.structblock = nil sbgroups.structblock_lbm = 1 else minetest.register_on_mods_loaded(function() --make sure all previous decorations and biomes have been registered def.deco = minetest.register_decoration({ name = "mcl_structures:deco_"..name, decoration = structblock, deco_type = "simple", place_on = def.place_on, spawn_by = def.spawn_by, num_spawn_by = def.num_spawn_by, sidelen = 80, fill_ratio = def.fill_ratio, noise_params = def.noise_params, flags = flags, biomes = def.biomes, y_max = def.y_max, y_min = def.y_min }) minetest.register_node(":"..structblock, {drawtype="airlike", walkable = false, pointable = false,groups = sbgroups}) def.structblock = structblock def.deco_id = minetest.get_decoration_id("mcl_structures:deco_"..name) minetest.set_gen_notify({decoration=true}, { def.deco_id }) --catching of gennotify happens in mcl_mapgen_core end) end mcl_structures.registered_structures[name] = def end --lbm for secondary structures (structblock included in base structure) minetest.register_lbm({ name = "mcl_structures:struct_lbm", run_at_every_load = true, nodenames = {"group:structblock_lbm"}, action = function(pos, node) minetest.remove_node(pos) local name = node.name:gsub("mcl_structures:structblock_","") local def = mcl_structures.registered_structures[name] if not def then return end mcl_structures.place_structure(pos) end })