forked from Mirrorlandia_minetest/minetest
62 lines
1.4 KiB
Lua
62 lines
1.4 KiB
Lua
-- Reimplementations of some environment function on vmanips, since this is
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-- what the emerge environment operates on
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-- core.vmanip = <VoxelManip> -- set by C++
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function core.set_node(pos, node)
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return core.vmanip:set_node_at(pos, node)
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end
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function core.bulk_set_node(pos_list, node)
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local vm = core.vmanip
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local set_node_at = vm.set_node_at
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for _, pos in ipairs(pos_list) do
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if not set_node_at(vm, pos, node) then
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return false
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end
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end
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return true
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end
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core.add_node = core.set_node
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-- we don't deal with metadata currently
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core.swap_node = core.set_node
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function core.remove_node(pos)
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return core.vmanip:set_node_at(pos, {name="air"})
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end
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function core.get_node(pos)
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return core.vmanip:get_node_at(pos)
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end
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function core.get_node_or_nil(pos)
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local node = core.vmanip:get_node_at(pos)
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return node.name ~= "ignore" and node
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end
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function core.get_perlin(seed, octaves, persist, spread)
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local params
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if type(seed) == "table" then
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params = table.copy(seed)
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else
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assert(type(seed) == "number")
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params = {
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seed = seed,
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octaves = octaves,
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persist = persist,
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spread = {x=spread, y=spread, z=spread},
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}
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end
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params.seed = core.get_seed(params.seed) -- add mapgen seed
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return PerlinNoise(params)
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end
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function core.get_perlin_map(params, size)
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local params2 = table.copy(params)
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params2.seed = core.get_seed(params.seed) -- add mapgen seed
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return PerlinNoiseMap(params2, size)
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end
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