Mushroom spread: Optimise and make overridable
Move mushroom spread ABM action into a global and overridable function. Optimise spread code. Reduce spread range to reduce spread through walls.
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@ -204,38 +204,34 @@ minetest.register_node("flowers:mushroom_brown", {
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-- Mushroom spread and death
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-- Mushroom spread and death
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minetest.register_abm({
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function flowers.mushroom_spread(pos, node)
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label = "Mushroom spread",
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nodenames = {"flowers:mushroom_brown", "flowers:mushroom_red"},
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interval = 11,
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chance = 50,
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action = function(pos, node)
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if minetest.get_node_light(pos, nil) == 15 then
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if minetest.get_node_light(pos, nil) == 15 then
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minetest.remove_node(pos)
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minetest.remove_node(pos)
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return
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return
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end
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end
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local random = {
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local positions = minetest.find_nodes_in_area_under_air(
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x = pos.x + math.random(-2, 2),
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{x = pos.x - 1, y = pos.y - 2, z = pos.z - 1},
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y = pos.y + math.random(-1, 1),
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{x = pos.x + 1, y = pos.y + 1, z = pos.z + 1},
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z = pos.z + math.random(-2, 2)
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{"group:soil", "group:tree"})
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}
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if #positions == 0 then
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local random_node = minetest.get_node_or_nil(random)
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if not random_node or random_node.name ~= "air" then
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return
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return
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end
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end
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local node_under = minetest.get_node_or_nil({x = random.x,
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local pos2 = positions[math.random(#positions)]
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y = random.y - 1, z = random.z})
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pos2.y = pos2.y + 1
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if not node_under then
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if minetest.get_node_light(pos, 0.5) <= 3 and
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return
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minetest.get_node_light(pos2, 0.5) <= 3 then
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minetest.set_node(pos2, {name = node.name})
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end
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end
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end
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if (minetest.get_item_group(node_under.name, "soil") ~= 0 or
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minetest.register_abm({
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minetest.get_item_group(node_under.name, "tree") ~= 0) and
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label = "Mushroom spread",
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minetest.get_node_light(pos, 0.5) <= 3 and
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nodenames = {"flowers:mushroom_brown", "flowers:mushroom_red"},
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minetest.get_node_light(random, 0.5) <= 3 then
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interval = 11,
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minetest.set_node(random, {name = node.name})
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chance = 150,
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end
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action = function(...)
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end
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flowers.mushroom_spread(...)
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end,
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})
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})
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