80 lines
2.1 KiB
Lua
80 lines
2.1 KiB
Lua
winuserleafdecay = {}
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local function winleafdecay_after_destruct(pos, oldnode, def)
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for _, v in pairs(minetest.find_nodes_in_area(vector.subtract(pos, def.radius),
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vector.add(pos, def.radius), def.leaves)) do
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local node = minetest.get_node(v)
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local timer = minetest.get_node_timer(v)
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if node.param2 ~= 3 and not timer:is_started() then
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timer:start(math.random(20, 120) / 10)
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end
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end
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end
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local movement_gravity = tonumber(
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minetest.settings:get("movement_gravity")) or 9.81
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local function winleafdecay_on_timer(pos, def)
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if minetest.find_node_near(pos, def.radius, def.trunks) then
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return false
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end
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local node = minetest.get_node(pos)
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local drops = minetest.get_node_drops(node.name)
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for _, item in ipairs(drops) do
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local is_leaf
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for _, v in pairs(def.leaves) do
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if v == item then
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is_leaf = true
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end
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end
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if minetest.get_item_group(item, "winleafdecay_drop") ~= 0 or
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not is_leaf then
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minetest.add_item({
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x = pos.x - 0.5 + math.random(),
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y = pos.y - 0.5 + math.random(),
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z = pos.z - 0.5 + math.random(),
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}, item)
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end
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end
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minetest.remove_node(pos)
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minetest.check_for_falling(pos)
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-- spawn a few particles for the removed node
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minetest.add_particlespawner({
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amount = 8,
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time = 0.001,
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minpos = vector.subtract(pos, {x=0.5, y=0.5, z=0.5}),
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maxpos = vector.add(pos, {x=0.5, y=0.5, z=0.5}),
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minvel = vector.new(-0.5, -1, -0.5),
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maxvel = vector.new(0.5, 0, 0.5),
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minacc = vector.new(0, -movement_gravity, 0),
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maxacc = vector.new(0, -movement_gravity, 0),
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minsize = 0,
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maxsize = 0,
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node = node,
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})
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end
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function winuserleafdecay.register_winleafdecay(def)
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assert(def.leaves)
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assert(def.trunks)
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assert(def.radius)
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for _, v in pairs(def.trunks) do
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minetest.override_item(v, {
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after_destruct = function(pos, oldnode)
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winleafdecay_after_destruct(pos, oldnode, def)
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end,
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})
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end
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for _, v in pairs(def.leaves) do
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minetest.override_item(v, {
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on_timer = function(pos)
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winleafdecay_on_timer(pos, def)
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end,
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})
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end
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end
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