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Added feature to API to allow for limits on spawning altitude also. None of

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the included plants use this, it's mainly for the conifers mod.
This commit is contained in:
Vanessa Ezekowitz 2012-12-29 17:24:47 -05:00
parent f9df1b5965
commit e2794f71f4
2 changed files with 30 additions and 22 deletions
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8
API.txt
View File

@ -14,11 +14,12 @@ dbg()
-----
The first of these, spawn_on_surfaces() is defined with quite a large number
of variables:
of variables. All of the variables below, if specified at all, must be
specified exactly in the order given here.
spawn_on_surfaces = function(sdelay, splant, sradius, schance, ssurface,
savoid, seed_diff, lightmin, lightmax, nneighbors,
ocount, facedir)
ocount, facedir, depthmax, altitudemin, altitudemax)
The first several of these are all required, and are from the last version of
the flowers mod, so this part of the API should be the same as before.
@ -68,6 +69,9 @@ facedir: The value passed to the param2 variable when adding the plant node
to the map. Defaults to 0.
depthmax: If a node spawns on top of a water source, the water must be at
most this deep. Defaults to 1 node.
altitudemin: Items must be at this altitude or higher to spawn at all.
Defaults to -31000.
altitudemax: But no higher than this altitude. Defaults to +31000.
-----
The second function, grow_plants() is defined like so:

16
plants_lib/init.lua
View File

@ -12,7 +12,7 @@
-- Various settings - most of these probably won't need to be changed
local plantlife_debug = false -- ...unless you want the modpack to spam the console ;-)
local plantlife_debug = true -- ...unless you want the modpack to spam the console ;-)
local plantlife_seed_diff = 123
local perlin_octaves = 3
@ -45,13 +45,15 @@ end
-- The spawning ABM
spawn_on_surfaces = function(sdelay, splant, sradius, schance, ssurface, savoid, seed_diff, lightmin, lightmax, nneighbors, ocount, facedir, depthmax)
spawn_on_surfaces = function(sdelay, splant, sradius, schance, ssurface, savoid, seed_diff, lightmin, lightmax, nneighbors, ocount, facedir, depthmax, altmin, altmax)
if seed_diff == nil then seed_diff = 0 end
if lightmin == nil then lightmin = 0 end
if lightmax == nil then lightmax = LIGHT_MAX end
if nneighbors == nil then nneighbors = ssurface end
if ocount == nil then ocount = 0 end
if depthmax == nil then depthmax = 1 end
if altmin == nil then altmin = -31000 end
if altmax == nil then altmax = 31000 end
minetest.register_abm({
nodenames = { ssurface },
interval = sdelay,
@ -62,12 +64,14 @@ spawn_on_surfaces = function(sdelay, splant, sradius, schance, ssurface, savoid,
local n_top = minetest.env:get_node(p_top)
local perlin = minetest.env:get_perlin(seed_diff, perlin_octaves, perlin_persistence, perlin_scale )
local noise = perlin:get2d({x=p_top.x, y=p_top.z})
if ( noise > plantlife_limit ) and (n_top.name == "air") and is_node_loaded(p_top) then
if noise > plantlife_limit and n_top.name == "air" and is_node_loaded(p_top) then
local n_light = minetest.env:get_node_light(p_top, nil)
if (minetest.env:find_node_near(p_top, sradius + math.random(-1.5,2), savoid) == nil )
and (n_light >= lightmin)
and (n_light <= lightmax)
if minetest.env:find_node_near(p_top, sradius + math.random(-1.5,2), savoid) == nil
and n_light >= lightmin
and n_light <= lightmax
and table.getn(minetest.env:find_nodes_in_area({x=pos.x-1, y=pos.y, z=pos.z-1}, {x=pos.x+1, y=pos.y, z=pos.z+1}, nneighbors)) > ocount
and pos.y >= altmin
and pos.y <= altmax
then
local walldir = plant_valid_wall(p_top)
if splant == "poisonivy:seedling" and walldir ~= nil then