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Create_schematic documentation: Update for per-node force-place

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The probability list has to also encode per-node force-place.
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paramat 2017-07-26 00:13:36 +01:00 committed by paramat
parent f61928d3fc
commit 0c99da4255
1 changed files with 12 additions and 5 deletions
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doc/lua_api.txt
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@ -2847,18 +2847,25 @@ These functions return the leftover itemstack.
### Schematics ### Schematics
* `minetest.create_schematic(p1, p2, probability_list, filename, slice_prob_list)` * `minetest.create_schematic(p1, p2, probability_list, filename, slice_prob_list)`
* Create a schematic from the volume of map specified by the box formed by p1 and p2. * Create a schematic from the volume of map specified by the box formed by p1 and p2.
* Apply the specified probability values to the specified nodes in `probability_list`. * Apply the specified probability and per-node force-place to the specified nodes
according to the `probability_list`.
* `probability_list` is an array of tables containing two fields, `pos` and `prob`. * `probability_list` is an array of tables containing two fields, `pos` and `prob`.
* `pos` is the 3D vector specifying the absolute coordinates of the * `pos` is the 3D vector specifying the absolute coordinates of the
node being modified, node being modified,
* `prob` is the integer value from `0` to `255` of the probability (see: Schematic specifier). * `prob` is an integer value from `0` to `255` that encodes probability and
per-node force-place. Probability has levels 0-127, then 128 is added to
encode per-node force-place.
For probability stated as 0-255, divide by 2 and round down to get values
0-127, then add 128 to apply per-node force-place.
* If there are two or more entries with the same pos value, the * If there are two or more entries with the same pos value, the
last entry is used. last entry is used.
* If `pos` is not inside the box formed by `p1` and `p2`, it is ignored. * If `pos` is not inside the box formed by `p1` and `p2`, it is ignored.
* If `probability_list` equals `nil`, no probabilities are applied. * If `probability_list` equals `nil`, no probabilities are applied.
* Slice probability works in the same manner, except takes a field * Apply the specified probability to the specified horizontal slices according to the
called `ypos` instead which `slice_prob_list`.
indicates the y position of the slice with a probability applied. * `slice_prob_list` is an array of tables containing two fields, `ypos` and `prob`.
* `ypos` indicates the y position of the slice with a probability applied,
the lowest slice being `ypos = 0`.
* If slice probability list equals `nil`, no slice probabilities are applied. * If slice probability list equals `nil`, no slice probabilities are applied.
* Saves schematic in the Minetest Schematic format to filename. * Saves schematic in the Minetest Schematic format to filename.