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Make mushrooms spread over time

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Wuzzy 2017-04-01 00:55:48 +02:00
parent 75289ce039
commit fca5520d63
1 changed files with 62 additions and 0 deletions
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62
mods/ITEMS/mcl_mushrooms/small.lua
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@ -114,4 +114,66 @@ minetest.register_craft({
recipe = {'mcl_core:bowl', 'mcl_mushrooms:mushroom_brown', 'mcl_mushrooms:mushroom_red'}
})
--[[ Mushroom spread and death
Code based on information gathered from Minecraft Wiki
<http://minecraft.gamepedia.com/Tutorials/Mushroom_farming#Videos>
]]
minetest.register_abm({
label = "Mushroom spread",
nodenames = {"mcl_mushrooms:mushroom_brown", "mcl_mushrooms:mushroom_red"},
interval = 11,
chance = 50,
action = function(pos, node)
if minetest.get_node_light(pos, nil) > 12 then
minetest.remove_node(pos)
return
end
local pos0 = vector.add(pos, {x=-4, y=-1, z=-4})
local pos1 = vector.add(pos, {x=4, y=1, z=4})
-- Stop mushroom spread if a 9×3×9 box is too crowded
if #minetest.find_nodes_in_area(pos0, pos1, node.name) >= 5 then
return
end
local selected_pos = table.copy(pos)
-- Do two random selections which may place the new mushroom in a 5×5×5 cube
local random = {
x = selected_pos.x + math.random(-1, 1),
y = selected_pos.y + math.random(0, 1) - math.random(0, 1),
z = selected_pos.z + math.random(-1, 1)
}
local random_node = minetest.get_node_or_nil(random)
if not random_node or random_node.name ~= "air" then
return
end
local node_under = minetest.get_node_or_nil({x = random.x, y = random.y - 1, z = random.z})
if not node_under then
return
end
if minetest.get_node_light(random, 0.5) > 12 or (minetest.get_item_group(node_under.name, "opaque") == 0) then
return
end
local random2 = {
x = random.x + math.random(-1, 1),
y = random.y,
z = random.z + math.random(-1, 1)
}
random_node = minetest.get_node_or_nil(random2)
if not random_node or random_node.name ~= "air" then
return
end
node_under = minetest.get_node_or_nil({x = random2.x, y = random2.y - 1, z = random2.z})
if not node_under then
return
end
if minetest.get_node_light(random2, 0.5) > 12 or (minetest.get_item_group(node_under.name, "opaque") == 0) then
return
end
minetest.set_node(random2, {name = node.name})
end
})