114 lines
2.5 KiB
Lua
114 lines
2.5 KiB
Lua
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-- storage tables
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local old_biomes, old_decor = {}, {}
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-- backup registered biomes
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for key, def in pairs(minetest.registered_biomes) do
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old_biomes[key] = def
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end
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-- backup registered decorations
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for key, def in pairs(minetest.registered_decorations) do
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old_decor[key] = def
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end
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-- clear current biome data
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minetest.clear_registered_biomes()
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minetest.clear_registered_decorations()
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-- minetest.clear_registered_ores()
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-- create list of default biomes to remove
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local def_biomes = {
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["rainforest"] = 1,
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["rainforest_swamp"] = 1,
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["rainforest_ocean"] = 1,
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["rainforest_under"] = 1,
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["grassland"] = 1,
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["grassland_dunes"] = 1,
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["grassland_ocean"] = 1,
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["grassland_under"] = 1,
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["taiga"] = 1,
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["taiga_ocean"] = 1,
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["taiga_under"] = 1,
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["icesheet"] = 1,
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["icesheet_ocean"] = 1,
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["icesheet_under"] = 1,
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["snowy_grassland"] = 1,
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["snowy_grassland_ocean"] = 1,
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["snowy_grassland_under"] = 1,
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["desert"] = 1,
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["desert_ocean"] = 1,
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["desert_under"] = 1,
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["tundra"] = 1,
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["tundra_highland"] = 1,
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["tundra_beach"] = 1,
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["tundra_ocean"] = 1,
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["tundra_under"] = 1,
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["sandstone_desert"] = 1,
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["sandstone_desert_ocean"] = 1,
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["sandstone_desert_under"] = 1,
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["savanna"] = 1,
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["savanna_shore"] = 1,
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["savanna_ocean"] = 1,
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["savanna_under"] = 1,
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["cold_desert"] = 1,
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["cold_desert_ocean"] = 1,
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["cold_desert_under"] = 1,
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["coniferous_forest"] = 1,
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["coniferous_forest_dunes"] = 1,
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["coniferous_forest_ocean"] = 1,
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["coniferous_forest_under"] = 1,
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["deciduous_forest"] = 1,
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["deciduous_forest_shore"] = 1,
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["deciduous_forest_ocean"] = 1,
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["deciduous_forest_under"] = 1
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}
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-- only re-register biomes that aren't on the list
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for key, def in pairs(old_biomes) do
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if not def_biomes[key] then minetest.register_biome(def) end
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end
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-- loop through decorations
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for key, def in pairs(old_decor) do
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local can_add = true
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local new_biomes = {}
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if type(def.biomes) == "table" then
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-- loop through decoration biomes, only re-add one's not on above list
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for num, bio in pairs(def.biomes) do
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if not def_biomes[bio] then table.insert(new_biomes, bio) end
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end
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-- if no biomes are left on new list, do not re-add decoration
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if #new_biomes == 0 then can_add = false end
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elseif type(def.biomes) == "string" then
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if def_biomes[def.biomes] then
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can_add = false
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else
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new_biomes = {def.biomes} -- convert to table
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end
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elseif not def.biomes then new_biomes = nil end -- keep it nil for re-adding
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if can_add == true then
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def.biomes = new_biomes
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minetest.register_decoration(def)
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end
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end
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