Added directional checks

This commit is contained in:
Dehydrate6684 2023-09-17 17:03:04 +08:00
parent a960bf2e8e
commit e6653b78ee
Signed by untrusted user: Dehydrate6684
GPG Key ID: 5926A2FA9B7653EF
2 changed files with 89 additions and 48 deletions

View File

@ -11,6 +11,59 @@ local function rotate_climbable(pos, node, user, mode)
return false
end
---Checks the direction (param2) of a ladder and a trapdoor and determine if they are
---facing the same direction.
---
---@param ladder integer The param2 value of the ladder.
---@param trapdoor integer The param2 value of the trapdoor.
---@return boolean If the ladder and trapdoor are in the same direction.
local function check_direction(ladder, trapdoor)
local convert_table = {};
convert_table[2] = { 1, 23 }
convert_table[3] = { 3, 21 }
convert_table[4] = { 0, 20 }
convert_table[5] = { 2, 22 }
local conversion = convert_table[ladder];
if conversion == nil then
return false
elseif conversion[1] == trapdoor or conversion[2] == trapdoor then
return true
end
return false
end
---Updates the trapdoor above (if any).
---
---@param pos mt.Vector The position of the ladder.
---@param ladder integer The param2 value of the ladder.
---@param event "place" | "destruct" The place or destruct event.
local function update_trapdoor(pos, ladder, event)
local top_pos = vector.add(pos, { x = 0, y = 1, z = 0 })
local top_node = minetest.get_node_or_nil(top_pos)
if top_node then
local new_name = top_node.name
if event == "place" then
new_name = string.gsub(new_name, "open$", "ladder")
elseif event == "destruct" then
new_name = string.gsub(new_name, "ladder$", "open")
end
local is_trapdoor = minetest.get_item_group(top_node.name, "trapdoor")
-- If node above is an opened trapdoor
if is_trapdoor == 2 and check_direction(ladder, top_node.param2) then
minetest.swap_node(top_pos, {
name = new_name,
param1 = top_node.param1,
param2 = top_node.param2,
})
end
end
end
-- TODO: Move ladders into their own API.
minetest.register_node("mcl_core:ladder", {
description = S("Ladder"),
_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."),
@ -87,45 +140,12 @@ minetest.register_node("mcl_core:ladder", {
end
return itemstack
end,
after_destruct = function(pos, oldnode)
local pos_above = vector.add(pos, {x = 0, y = 1, z = 0 })
local node_above = minetest.get_node_or_nil(pos_above)
if node_above then
local is_trapdoor = minetest.get_item_group(node_above.name, "trapdoor")
-- If node above is an opened trapdoor
if is_trapdoor == 2 then
local above_def = minetest.registered_nodes[node_above.name]
if above_def._other then
minetest.swap_node(pos_above, {
name = above_def._other,
param1 = node_above.param1,
param2 = node_above.param2,
})
end
end
end
after_destruct = function(pos, old)
update_trapdoor(pos, old.param2, "destruct")
end,
after_place_node = function(pos, oldnode)
local pos_above = vector.add(pos, {x = 0, y = 1, z = 0 })
local node_above = minetest.get_node_or_nil(pos_above)
if node_above then
local is_trapdoor = minetest.get_item_group(node_above.name, "trapdoor")
-- If node above is an opened trapdoor
if is_trapdoor == 2 then
local above_def = minetest.registered_nodes[node_above.name]
if above_def._other then
minetest.swap_node(pos_above, {
name = above_def._other,
param1 = node_above.param1,
param2 = node_above.param2,
})
end
end
end
after_place_node = function(pos)
local me = minetest.get_node(pos)
update_trapdoor(pos, me.param2, "place")
end,
_mcl_blast_resistance = 0.4,
_mcl_hardness = 0.4,

View File

@ -48,6 +48,29 @@ if minetest.get_modpath("screwdriver") then
end
end
---Checks the direction (param2) of a ladder and a trapdoor and determine if they are
---facing the same direction.
---
---@param ladder integer The param2 value of the ladder.
---@param trapdoor integer The param2 value of the trapdoor.
---@return boolean If the ladder and trapdoor are in the same direction.
function check_direction(ladder, trapdoor)
local convert_table = {};
convert_table[2] = { 1, 23 }
convert_table[3] = { 3, 21 }
convert_table[4] = { 0, 20 }
convert_table[5] = { 2, 22 }
local conversion = convert_table[ladder];
if conversion == nil then
return false
elseif conversion[1] == trapdoor or conversion[2] == trapdoor then
return true
end
return false
end
function mcl_doors:register_trapdoor(name, def)
local groups = table.copy(def.groups)
if groups == nil then
@ -78,11 +101,9 @@ function mcl_doors:register_trapdoor(name, def)
-- Checking if there is something underneath the trapdoor
if bottom_node then
local bottom_def = minetest.registered_nodes[bottom_node.name]
local trapdoor = minetest.get_item_group(bottom_node.name, "trapdoor")
-- Changing trapdoor into a ladder if bottom node is climbable and not a trapdoor
if trapdoor ~= 2 and bottom_def.climbable then
local is_ladder = minetest.get_item_group(bottom_node.name, "ladder")
local same_direction = check_direction(bottom_node.param2, me.param2)
if is_ladder > 0 and same_direction then
name_end = "_ladder"
end
end