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Update lua_api.txt
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Minetest Lua Modding API Reference 0.4.4
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Minetest Lua Modding API Reference 0.4.5
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==========================================
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More information at http://c55.me/minetest/
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@ -372,6 +372,25 @@ A box is defined as:
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A box of a regular node would look like:
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{-0.5, -0.5, -0.5, 0.5, 0.5, 0.5},
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Ore types
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---------------
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These tell in what manner the ore is generated.
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All default ores are of the uniformly-distributed scatter type.
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- scatter
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Randomly chooses a location and generates a cluster of ore.
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If noise_params is specified, the ore will be placed if the 3d perlin noise at
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that point is greater than the noise_threshhold, giving the ability to create a non-equal
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distribution of ore.
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- sheet
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Creates a sheet of ore in a blob shape according to the 2d perlin noise described by
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the noise_params structure. The height of the blob is randomly scattered, with a maximum
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height of clust_size. Here, clust_scarcity and clust_num_ores are ignored.
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This is essentially an improved version of the so-called "stratus" ore seen in some unofficial mods.
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- claylike - NOT YET IMPLEMENTED
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Places ore if there are no more than clust_scarcity number of specified nodes within a Von Neumann
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neighborhood of clust_size radius.
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Representations of simple things
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--------------------------------
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Position/vector:
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@ -844,6 +863,7 @@ minetest.register_tool(name, item definition)
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minetest.register_craftitem(name, item definition)
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minetest.register_alias(name, convert_to)
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minetest.register_craft(recipe)
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minetest.register_ore(ore definition)
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Global callback registration functions: (Call these only at load time)
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minetest.register_globalstep(func(dtime))
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@ -1669,6 +1689,28 @@ Recipe for register_craft (furnace fuel)
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burntime = 1,
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}
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Ore definition (register_ore)
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{
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ore_type = "scatter" -- See "Ore types"
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ore = "default:stone_with_coal",
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wherein = "default:stone",
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clust_scarcity = 8*8*8,
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^ Ore has a 1 out of clust_scarcity chance of spawning in a node
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^ This value should be *MUCH* higher than your intuition might tell you!
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clust_num_ores = 8,
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^ Number of ores in a cluster
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clust_size = 3,
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^ Size of the bounding box of the cluster
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^ In this example, there is a 3x3x3 cluster where 8 out of the 27 nodes are coal ore
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height_min = -31000,
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height_max = 64,
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noise_threshhold = 0.5,
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^ If noise is above this threshhold, ore is placed. Not needed for a uniform distribution
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noise_params = {offset=0, scale=1, spread={x=100, y=100, z=100}, seed=23, octaves=3, persist=0.70}
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^ NoiseParams structure describing the perlin noise used for ore distribution.
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^ Needed for sheet ore_type. Omit from scatter ore_type for a uniform ore distribution
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}
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Chatcommand definition (register_chatcommand)
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{
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params = "<name> <privilege>", -- short parameter description
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