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-- moist dirt dries in air
minetest.register_abm {
nodenames = {"vzxv:moistdirt"},
neighbors = {"air"},
interval = 45,
chance = 5,
catch_up = true,
action = function (pos, node)
if not vzxv.check_adjacent(pos, "vzxv:water")
and not vzxv.check_adjacent(pos, "vzxv:flowingwater")
and vzxv.check_adjacent(pos, "air") then
minetest.set_node(pos, {name="vzxv:dirt"})
end
end,
}
-- dry dirt moists in water
minetest.register_abm {
nodenames = {"vzxv:dirt"},
neighbors = {"vzxv:water","vzxv:flowingwater"},
interval = 15,
chance = 3,
catch_up = true,
action = function (pos, node)
minetest.set_node(pos, {name="vzxv:moistdirt"})
end,
}
-- grass grows on soil
minetest.register_abm {
nodenames = {"vzxv:dirt","vzxv:moistdirt"},
neighbors = {"group:grassy"},
interval = 60,
chance = 2.5,
catch_up = true,
action = function (pos, node)
local above = minetest.get_node{x=pos.x,y=pos.y+1,z=pos.z}
if above.name ~= "air" then return end
if node.name == "vzxv:moistdirt" then
minetest.set_node(pos, {name="vzxv:moistgrass"})
elseif math.random(2) == 1 then
minetest.set_node(pos, {name="vzxv:grass"})
end
end,
}
-- grass dies when covered
minetest.register_abm {
nodenames = {"group:grassy"},
interval = 30,
chance = 1,
action = function(pos, node)
local above = minetest.get_node{x=pos.x,y=pos.y+1,z=pos.z}
if above.name == "air" or above.name == "ignore" then
return
end
if minetest.get_item_group(above.name, "small") then
return
end
if node.name == "vzxv:moistgrass" then
minetest.set_node(pos, {name="vzxv:moistdirt"})
elseif node.name == "vzxv:grass" then
minetest.set_node(pos, {name="vzxv:dirt"})
end
end,
}
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