Added directional checks
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@ -11,6 +11,59 @@ local function rotate_climbable(pos, node, user, mode)
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return false
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end
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---Checks the direction (param2) of a ladder and a trapdoor and determine if they are
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---facing the same direction.
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---
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---@param ladder integer The param2 value of the ladder.
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---@param trapdoor integer The param2 value of the trapdoor.
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---@return boolean If the ladder and trapdoor are in the same direction.
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local function check_direction(ladder, trapdoor)
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local convert_table = {};
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convert_table[2] = { 1, 23 }
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convert_table[3] = { 3, 21 }
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convert_table[4] = { 0, 20 }
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convert_table[5] = { 2, 22 }
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local conversion = convert_table[ladder];
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if conversion == nil then
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return false
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elseif conversion[1] == trapdoor or conversion[2] == trapdoor then
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return true
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end
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return false
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end
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---Updates the trapdoor above (if any).
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---
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---@param pos mt.Vector The position of the ladder.
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---@param ladder integer The param2 value of the ladder.
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---@param event "place" | "destruct" The place or destruct event.
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local function update_trapdoor(pos, ladder, event)
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local top_pos = vector.add(pos, { x = 0, y = 1, z = 0 })
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local top_node = minetest.get_node_or_nil(top_pos)
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if top_node then
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local new_name = top_node.name
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if event == "place" then
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new_name = string.gsub(new_name, "open$", "ladder")
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elseif event == "destruct" then
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new_name = string.gsub(new_name, "ladder$", "open")
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end
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local is_trapdoor = minetest.get_item_group(top_node.name, "trapdoor")
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-- If node above is an opened trapdoor
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if is_trapdoor == 2 and check_direction(ladder, top_node.param2) then
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minetest.swap_node(top_pos, {
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name = new_name,
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param1 = top_node.param1,
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param2 = top_node.param2,
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})
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end
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end
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end
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-- TODO: Move ladders into their own API.
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minetest.register_node("mcl_core:ladder", {
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description = S("Ladder"),
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_doc_items_longdesc = S("A piece of ladder which allows you to climb vertically. Ladders can only be placed on the side of solid blocks and not on glass, leaves, ice, slabs, glowstone, nor sea lanterns."),
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@ -87,45 +140,12 @@ minetest.register_node("mcl_core:ladder", {
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end
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return itemstack
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end,
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after_destruct = function(pos, oldnode)
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local pos_above = vector.add(pos, {x = 0, y = 1, z = 0 })
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local node_above = minetest.get_node_or_nil(pos_above)
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if node_above then
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local is_trapdoor = minetest.get_item_group(node_above.name, "trapdoor")
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-- If node above is an opened trapdoor
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if is_trapdoor == 2 then
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local above_def = minetest.registered_nodes[node_above.name]
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if above_def._other then
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minetest.swap_node(pos_above, {
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name = above_def._other,
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param1 = node_above.param1,
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param2 = node_above.param2,
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})
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end
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end
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end
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after_destruct = function(pos, old)
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update_trapdoor(pos, old.param2, "destruct")
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end,
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after_place_node = function(pos, oldnode)
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local pos_above = vector.add(pos, {x = 0, y = 1, z = 0 })
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local node_above = minetest.get_node_or_nil(pos_above)
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if node_above then
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local is_trapdoor = minetest.get_item_group(node_above.name, "trapdoor")
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-- If node above is an opened trapdoor
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if is_trapdoor == 2 then
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local above_def = minetest.registered_nodes[node_above.name]
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if above_def._other then
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minetest.swap_node(pos_above, {
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name = above_def._other,
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param1 = node_above.param1,
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param2 = node_above.param2,
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})
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end
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end
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end
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after_place_node = function(pos)
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local me = minetest.get_node(pos)
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update_trapdoor(pos, me.param2, "place")
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end,
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_mcl_blast_resistance = 0.4,
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_mcl_hardness = 0.4,
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@ -48,6 +48,29 @@ if minetest.get_modpath("screwdriver") then
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end
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end
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---Checks the direction (param2) of a ladder and a trapdoor and determine if they are
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---facing the same direction.
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---
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---@param ladder integer The param2 value of the ladder.
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---@param trapdoor integer The param2 value of the trapdoor.
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---@return boolean If the ladder and trapdoor are in the same direction.
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function check_direction(ladder, trapdoor)
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local convert_table = {};
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convert_table[2] = { 1, 23 }
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convert_table[3] = { 3, 21 }
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convert_table[4] = { 0, 20 }
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convert_table[5] = { 2, 22 }
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local conversion = convert_table[ladder];
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if conversion == nil then
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return false
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elseif conversion[1] == trapdoor or conversion[2] == trapdoor then
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return true
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end
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return false
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end
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function mcl_doors:register_trapdoor(name, def)
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local groups = table.copy(def.groups)
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if groups == nil then
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@ -67,26 +90,24 @@ function mcl_doors:register_trapdoor(name, def)
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local tmp_node
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-- Close
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if minetest.get_item_group(me.name, "trapdoor") == 2 then
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minetest.sound_play(def.sound_close, {pos = pos, gain = 0.3, max_hear_distance = 16}, true)
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tmp_node = {name=name, param1=me.param1, param2=me.param2}
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minetest.sound_play(def.sound_close, { pos = pos, gain = 0.3, max_hear_distance = 16 }, true)
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tmp_node = { name = name, param1 = me.param1, param2 = me.param2 }
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-- Open
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else
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minetest.sound_play(def.sound_open, {pos = pos, gain = 0.3, max_hear_distance = 16}, true)
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minetest.sound_play(def.sound_open, { pos = pos, gain = 0.3, max_hear_distance = 16 }, true)
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local bottom_node = minetest.get_node_or_nil(vector.subtract(pos, { x = 0, y = 1, z = 0 }))
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local name_end = "_open"
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-- Checking if there is something underneath the trapdoor
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if bottom_node then
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local bottom_def = minetest.registered_nodes[bottom_node.name]
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local trapdoor = minetest.get_item_group(bottom_node.name, "trapdoor")
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-- Changing trapdoor into a ladder if bottom node is climbable and not a trapdoor
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if trapdoor ~= 2 and bottom_def.climbable then
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local is_ladder = minetest.get_item_group(bottom_node.name, "ladder")
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local same_direction = check_direction(bottom_node.param2, me.param2)
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if is_ladder > 0 and same_direction then
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name_end = "_ladder"
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end
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end
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tmp_node = {name=name..name_end, param1=me.param1, param2=me.param2}
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tmp_node = { name = name .. name_end, param1 = me.param1, param2 = me.param2 }
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end
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minetest.set_node(pos, tmp_node)
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end
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