87 lines
2.0 KiB
Lua
87 lines
2.0 KiB
Lua
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treecaptitator = {}
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-- Leafdecay
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local function leafdecay_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 ~= 1 and not timer:is_started() then
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timer:start(math.random())
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end
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end
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end
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local function leafdecay_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, "leafdecay_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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minetest.add_particlespawner({
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amount = 40,
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time = 0.0001,
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minpos = {x=pos.x-0.5, y=pos.y-0.5, z=pos.z-0.5},
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maxpos = {x=pos.x+0.5, y=pos.y+0.5, z=pos.z+0.5},
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minvel = {x=0, y=0, z=0},
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maxvel = {x=0, y=0, z=0},
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minacc = {x=0, y=0, z=0},
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maxacc = {x=0, y=0, z=0},
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minexptime = 0.5,
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maxexptime = 1.5,
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minsize = 1,
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maxsize = 2,
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collisiondetection = false,
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vertical = false,
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texture = "treecapitator.png"
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})
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end
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function treecaptitator.register_leafdecay(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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leafdecay_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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leafdecay_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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----------------------------- registration
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treecaptitator.register_leafdecay({
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trunks = {"main:tree"},
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leaves = {"main:leaves"},
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radius = 2,
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})
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