82 lines
3.1 KiB
Lua
82 lines
3.1 KiB
Lua
mcl_structures.registered_structures = {}
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function mcl_structures.place_structure(pos, def, pr)
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if not def then return end
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local y_offset = 0
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if type(def.y_offset) == "function" then
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y_offset = def.y_offset(pr)
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elseif def.y_offset then
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y_offset = def.y_offset
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end
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if def.filenames then
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local file = def.filenames[pr:next(1,#def.filenames)]
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local pp = vector.offset(pos,0,y_offset,0)
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mcl_structures.place_schematic(pp, file, "random", nil, true, "place_center_x,place_center_z",def.after_place,pr,{pos,def})
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minetest.log("action","[mcl_structures] "..def.name.." placed at "..minetest.pos_to_string(pos))
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return true
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elseif def.place_func and def.place_func(pos,def,pr) then
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if not def.after_place or ( def.after_place and def.after_place(pos,def,pr) ) then
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minetest.log("action","[mcl_structures] "..def.name.." placed at "..minetest.pos_to_string(pos))
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return true
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end
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end
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minetest.log("warning","[mcl_structures] placing "..def.name.." failed at "..minetest.pos_to_string(pos))
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end
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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
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local structblock = "mcl_structures:structblock_"..name
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local flags = "place_center_x, place_center_z, force_placement"
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local y_offset = 0
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local sbgroups = { structblock = 1, not_in_creative_inventory=1 }
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if def.flags then flags = def.flags end
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def.name = name
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if nospawn then
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sbgroups.structblock = nil
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sbgroups.structblock_lbm = 1
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else
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def.deco = minetest.register_decoration({
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name = "mcl_structures:deco_"..name,
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decoration = structblock,
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deco_type = "simple",
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place_on = def.place_on,
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spawn_by = def.spawn_by,
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num_spawn_by = def.num_spawn_by,
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sidelen = 80,
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fill_ratio = def.fill_ratio,
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noise = def.noise,
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flags = flags,
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biomes = def.biomes,
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y_max = def.y_max,
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y_min = def.y_min
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})
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local deco_id = minetest.get_decoration_id("mcl_structures:deco_"..name)
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minetest.set_gen_notify({decoration=true}, { deco_id })
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minetest.register_on_generated(function(minp, maxp, blockseed)
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local gennotify = minetest.get_mapgen_object("gennotify")
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local pr = PseudoRandom(blockseed + 42)
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for _, pos in pairs(gennotify["decoration#"..deco_id] or {}) do
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local realpos = vector.offset(pos,0,-1,0)
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minetest.remove_node(realpos)
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mcl_structures.place_structure(realpos,def,pr)
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end
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end)
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end
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minetest.register_node(":"..structblock, {drawtype="airlike", walkable = false, pointable = false,groups = sbgroups})
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def.structblock = structblock
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mcl_structures.registered_structures[name] = def
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end
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--lbm for secondary structures (structblock included in base structure)
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minetest.register_lbm({
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name = "mcl_structures:struct_lbm",
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run_at_every_load = true,
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nodenames = {"group:structblock_lbm"},
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action = function(pos, node)
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local name = node.name:gsub("mcl_structures:structblock_","")
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local def = mcl_structures.registered_structures[name]
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if not def then return end
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minetest.remove_node(pos)
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mcl_structures.place_structure(pos)
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end
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})
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