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Use minetest.get_nodes_in_area for grass spread

master
Wuzzy 2017-05-15 00:30:49 +02:00
parent 35e928bbb7
commit ad73e81a64
1 changed files with 11 additions and 7 deletions
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18
mods/ITEMS/mcl_core/functions.lua
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@ -378,10 +378,13 @@ function mcl_core.generate_tree(pos, trunk, leaves, typearbre)
end
end
local grass_spread_randomizer = PseudoRandom(minetest.get_mapgen_params().seed)
------------------------------
-- Spread grass blocks and mycelium on neighbor dirt
------------------------------
minetest.register_abm({
label = "Grass Block and Mycelium spread",
nodenames = {"mcl_core:dirt"},
neighbors = {"air", "mcl_core:dirt_with_grass", "mcl_core:mycelium"},
interval = 30,
@ -397,13 +400,14 @@ minetest.register_abm({
local light_self = minetest.get_node_light(above)
if not light_self then return end
--[[ Try to find a spreading dirt-type block (e.g. grass block or mycelium)
within a 3×5×3 area, with the source block being on the 2nd-topmost layer.
First we look around the source block, if we find nothing, we look below. ]]
local p2 = minetest.find_node_near(pos, 1, "group:spreading_dirt_type")
if not p2 then
p2 = minetest.find_node_near({x=pos.x,y=pos.y+2,z=pos.z}, 1, "group:spreading_dirt_type")
-- Nothing found on 2nd attempt? Bail out!
if not p2 then return end
within a 3×5×3 area, with the source block being on the 2nd-topmost layer. ]]
local nodes = minetest.find_nodes_in_area({x=pos.x-1, y=pos.y-1, z=pos.z-1}, {x=pos.x+1, y=pos.y+3, z=pos.z+1}, "group:spreading_dirt_type")
local p2
-- Nothing found ? Bail out!
if #nodes <= 0 then
return
else
p2 = nodes[grass_spread_randomizer:next(1, #nodes)]
end
-- Found it! Now check light levels!