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https://git.minetest.land/MineClone2/MineClone2.git
synced 2024-11-10 01:33:50 +01:00
91 lines
2.9 KiB
Lua
91 lines
2.9 KiB
Lua
local registered_structures = {}
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--[[] structure def:
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{
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fill_ratio= OR noise = {}
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biomes =
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y_min =
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y_max =
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place_on =
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spawn_by =
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num_spawn_by =
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flags = (default: "place_center_x, place_center_z, force_placement")
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(same as decoration def)
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y_offset =
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filenames = {} OR place_func = function(pos,filename)
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after_place = function(pos)
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}
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]]--
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local function place_schem(pos, def, pr)
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if not def then return end
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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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elseif def.place_func and def.place_func(pos,def) then
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def.after_place(pos,def)
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end
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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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place_schem(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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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 = 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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place_schem(pos)
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end
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})
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