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local S = lib_ecology.intllib
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-- Grow trees from saplings
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-- 'can grow' function
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lib_ecology.can_grow = function(pos)
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local node_under = minetest.get_node_or_nil({x = pos.x, y = pos.y - 1, z = pos.z})
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if not node_under then
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return false
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end
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local name_under = node_under.name
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local is_soil = minetest.get_item_group(name_under, "soil")
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if is_soil == 0 then
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return false
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end
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local light_level = minetest.get_node_light(pos)
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if not light_level or light_level < 13 then
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return false
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end
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return true
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end
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-- 'is snow nearby' function
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lib_ecology.is_snow_nearby = function(pos)
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return minetest.find_node_near(pos, 1, {"group:snowy"})
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end
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lib_ecology.sapling_on_place = function(itemstack, placer, pointed_thing,
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sapling_name, minp_relative, maxp_relative, interval)
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-- Position of sapling
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local pos = pointed_thing.under
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local node = minetest.get_node_or_nil(pos)
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local pdef = node and minetest.registered_nodes[node.name]
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if pdef and pdef.on_rightclick and
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not (placer and placer:is_player() and
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placer:get_player_control().sneak) then
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return pdef.on_rightclick(pos, node, placer, itemstack, pointed_thing)
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end
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if not pdef or not pdef.buildable_to then
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pos = pointed_thing.above
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node = minetest.get_node_or_nil(pos)
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pdef = node and minetest.registered_nodes[node.name]
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if not pdef or not pdef.buildable_to then
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return itemstack
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end
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end
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local player_name = placer and placer:get_player_name() or ""
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-- Check sapling position for protection
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if minetest.is_protected(pos, player_name) then
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minetest.record_protection_violation(pos, player_name)
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return itemstack
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end
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-- Check tree volume for protection
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if minetest.is_area_protected(
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vector.add(pos, minp_relative),
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vector.add(pos, maxp_relative),
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player_name,
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interval) then
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minetest.record_protection_violation(pos, player_name)
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-- Print extra information to explain
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minetest.chat_send_player(player_name,
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itemstack:get_definition().description .. " will intersect protection " ..
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"on growth")
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return itemstack
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end
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minetest.log("action", player_name .. " places node "
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.. sapling_name .. " at " .. minetest.pos_to_string(pos))
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local take_item = not (creative and creative.is_enabled_for
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and creative.is_enabled_for(player_name))
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local newnode = {name = sapling_name}
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local ndef = minetest.registered_nodes[sapling_name]
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minetest.set_node(pos, newnode)
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-- Run callback
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if ndef and ndef.after_place_node then
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-- Deepcopy place_to and pointed_thing because callback can modify it
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if ndef.after_place_node(table.copy(pos), placer,
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itemstack, table.copy(pointed_thing)) then
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take_item = false
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end
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end
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-- Run script hook
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for _, callback in ipairs(minetest.registered_on_placenodes) do
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-- Deepcopy pos, node and pointed_thing because callback can modify them
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if callback(table.copy(pos), table.copy(newnode),
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placer, table.copy(node or {}),
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itemstack, table.copy(pointed_thing)) then
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take_item = false
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end
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end
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if take_item then
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itemstack:take_item()
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end
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return itemstack
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end
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-- Leafdecay
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-- Prevent decay of placed leaves
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lib_ecology.after_place_leaves = function(pos, placer, itemstack, pointed_thing)
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if placer and placer:is_player() and not placer:get_player_control().sneak then
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local node = minetest.get_node(pos)
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node.param2 = 1
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minetest.set_node(pos, node)
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end
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end
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