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Decoration API: Add flag for placement on liquid surface

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Add findLiquidSurface() function to mapgen.cpp
Update lua_api.txt
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paramat 2015-10-21 08:51:59 +01:00
parent c32847838d
commit 59fa117d13
5 changed files with 38 additions and 8 deletions
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13
doc/lua_api.txt
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@ -801,15 +801,13 @@ Decoration types
----------------
The varying types of decorations that can be placed.
The default value is `simple`, and is currently the only type supported.
### `simple`
Creates a 1 times `H` times 1 column of a specified node (or a random node from
a list, if a decoration list is specified). Can specify a certain node it must
spawn next to, such as water or lava, for example. Can also generate a
decoration of random height between a specified lower and upper bound.
This type of decoration is intended for placement of grass, flowers, cacti,
papyri, and so on.
papyri, waterlilies and so on.
### `schematic`
Copies a box of `MapNodes` from a specified schematic file (or raw description).
@ -848,8 +846,8 @@ Schematic attributes
--------------------
See section "Flag Specifier Format".
Currently supported flags: `place_center_x`, `place_center_y`,
`place_center_z`, `force_placement`.
Currently supported flags: `place_center_x`, `place_center_y`, `place_center_z`,
`force_placement`.
* `place_center_x`: Placement of this decoration is centered along the X axis.
* `place_center_y`: Placement of this decoration is centered along the Y axis.
@ -3418,6 +3416,11 @@ Definition tables
-- ^ Minimum and maximum `y` positions these decorations can be generated at.
-- ^ This parameter refers to the `y` position of the decoration base, so
-- the actual maximum height would be `height_max + size.Y`.
flags = "liquid_surface",
-- ^ Flags for all decoration types.
-- ^ "liquid_surface": Instead of placement on the highest solid surface
-- ^ in a mapchunk column, placement is on the highest liquid surface.
-- ^ Placement is disabled if solid nodes are found above the liquid surface.
----- Simple-type parameters
decoration = "default:grass",