minetest-mm/mods/ropes/extendingladder.lua
2020-10-25 19:05:08 +01:00

231 lines
7.5 KiB
Lua

local S = ropes.S
if ropes.extending_ladder_enabled then
local wood_recipe = {
{"group:stick", "group:stick", "group:stick"},
{"group:stick", "", "group:stick"},
{"group:stick", "", "group:stick"},
}
local wood_name = S("Wooden Extendable Ladder")
local steel_recipe = {
{"default:steel_ingot", "", "default:steel_ingot"},
{"default:steel_ingot", "", "default:steel_ingot"},
{"default:steel_ingot", "default:steel_ingot", "default:steel_ingot"},
}
local steel_name = S("Steel Extendable Ladder")
if ropes.replace_default_ladders then
minetest.unregister_item("default:ladder_wood")
minetest.unregister_item("default:ladder_steel")
minetest.clear_craft({output = "default:ladder_wood"})
minetest.clear_craft({output = "default:ladder_steel"})
local wallmounted_to_facedir =
{[0] = 15, -- ceiling
[1] = 13, -- floor
[2] = 1, -- +X
[3] = 3, -- -X
[4] = 0, -- +Z
[5] = 2, -- -Z
}
minetest.register_lbm({
label = "Switch from wallmounted default ladders to rope mod extending ladders",
name = "ropes:wallmounted_ladder_to_facedir_ladder",
nodenames = {"default:ladder_wood", "default:ladder_steel"},
run_at_every_load = false,
action = function(pos, node)
local new_node = {param2 = wallmounted_to_facedir[node.param2]}
if (node.name == "default:ladder_wood") then
new_node.name = "ropes:ladder_wood"
else
new_node.name = "ropes:ladder_steel"
end
minetest.set_node(pos, new_node)
end,
})
wood_recipe = {
{"group:stick", "", "group:stick"},
{"group:stick", "group:stick", "group:stick"},
{"group:stick", "", "group:stick"},
}
wood_name = S("Wooden Ladder")
steel_recipe = {
{'default:steel_ingot', '', 'default:steel_ingot'},
{'default:steel_ingot', 'default:steel_ingot', 'default:steel_ingot'},
{'default:steel_ingot', '', 'default:steel_ingot'},
}
steel_name = S("Steel Ladder")
end
minetest.register_craft({
output = "ropes:ladder_wood 5",
recipe = wood_recipe,
})
minetest.register_craft({
output = 'ropes:ladder_steel 15',
recipe = steel_recipe,
})
local ladder_extender = function(pos, node, clicker, itemstack, pointed_thing, ladder_node, standing_limit)
-- on_rightclick can be called by other mods, make sure we have all the parameters we need
if pointed_thing == nil or itemstack == nil then
return itemstack
end
local clicked_stack = ItemStack(itemstack)
-- true if we're pointing up at the ladder from below and there's a buildable space below it
-- this check allows us to extend ladders downward
local pointing_directly_below =
pointed_thing.above.x == pos.x and
pointed_thing.above.z == pos.z and
pointed_thing.above.y == pos.y - 1 and
minetest.registered_nodes[minetest.get_node(pointed_thing.above).name].buildable_to
if clicked_stack:get_name() == ladder_node and not pointing_directly_below then
local param2 = minetest.get_node(pos).param2
local dir = minetest.facedir_to_dir(param2)
local scan_limit = pos.y + 6 -- Only add ladder segments up to five nodes above the one clicked on
pos.y = pos.y + 1
while pos.y < scan_limit and minetest.get_node(pos).name == ladder_node do
param2 = minetest.get_node(pos).param2
pos.y = pos.y + 1
end
if pos.y < scan_limit and minetest.registered_nodes[minetest.get_node(pos).name].buildable_to then
-- scan downward behind the ladder to find support
local behind_pos = vector.add(pos, minetest.facedir_to_dir(param2))
local target_height = pos.y - standing_limit - 1
while behind_pos.y > target_height and minetest.registered_nodes[minetest.get_node(behind_pos).name].buildable_to do
behind_pos.y = behind_pos.y - 1
end
-- If there's enough support, build a new ladder segment
if behind_pos.y > target_height then
if minetest.is_protected(pos, clicker:get_player_name()) then
minetest.record_protection_violation(clicker:get_player_name())
else
minetest.set_node(pos, {name=ladder_node, param2=param2})
if not minetest.settings:get_bool("creative_mode") then
clicked_stack:take_item(1)
end
end
end
end
elseif clicked_stack:get_definition().type == "node" then
return minetest.item_place_node(itemstack, clicker, pointed_thing)
end
return clicked_stack
end
minetest.register_node("ropes:ladder_wood", {
description = wood_name,
_doc_items_longdesc = ropes.doc.ladder_longdesc,
_doc_items_usagehelp = ropes.doc.ladder_usagehelp,
tiles = {"default_wood.png","default_wood.png","default_wood.png^[transformR270","default_wood.png^[transformR270","default_ladder_wood.png"},
inventory_image = "default_ladder_wood.png",
wield_image = "default_ladder_wood.png",
paramtype = "light",
paramtype2 = "facedir",
sunlight_propagates = true,
walkable = false,
climbable = true,
is_ground_content = false,
drawtype = "nodebox",
paramtype = "light",
node_box = {
type = "fixed",
fixed = {
{-0.375, -0.5, 0.375, -0.25, 0.5, 0.5}, -- Upright1
{0.25, -0.5, 0.375, 0.375, 0.5, 0.5}, -- Upright2
{-0.4375, 0.3125, 0.4375, 0.4375, 0.4375, 0.5}, -- Rung_4
{-0.4375, -0.1875, 0.4375, 0.4375, -0.0625, 0.5}, -- Rung_2
{-0.4375, -0.4375, 0.4375, 0.4375, -0.3125, 0.5}, -- Rung_1
{-0.4375, 0.0625, 0.4375, 0.4375, 0.1875, 0.5}, -- Rung_3
}
},
groups = {choppy = 2, oddly_breakable_by_hand = 3, flammable = 2, flow_through = 1},
sounds = default.node_sound_wood_defaults(),
on_rightclick = function(pos, node, clicker, itemstack, pointed_thing)
return ladder_extender(pos, node, clicker, itemstack, pointed_thing, "ropes:ladder_wood", ropes.extending_wood_ladder_limit)
end,
})
minetest.register_node("ropes:ladder_steel", {
description = steel_name,
_doc_items_longdesc = ropes.doc.ladder_longdesc,
_doc_items_usagehelp = ropes.doc.ladder_usagehelp,
tiles = {"default_steel_block.png","default_steel_block.png","default_steel_block.png","default_steel_block.png","default_ladder_steel.png"},
inventory_image = "default_ladder_steel.png",
wield_image = "default_ladder_steel.png",
paramtype = "light",
paramtype2 = "facedir",
sunlight_propagates = true,
walkable = false,
climbable = true,
is_ground_content = false,
drawtype = "nodebox",
node_box = {
type = "fixed",
fixed = {
{-0.4375, -0.5, 0.3125, -0.25, 0.5, 0.5}, -- Upright1
{0.25, -0.5, 0.3125, 0.4375, 0.5, 0.5}, -- Upright2
{-0.25, 0.3125, 0.375, 0.25, 0.4375, 0.5}, -- Rung_4
{-0.25, -0.1875, 0.375, 0.25, -0.0625, 0.5}, -- Rung_2
{-0.25, -0.4375, 0.375, 0.25, -0.3125, 0.5}, -- Rung_1
{-0.25, 0.0625, 0.375, 0.25, 0.1875, 0.5}, -- Rung_3
}
},
groups = {cracky = 2, flow_through = 1},
sounds = default.node_sound_metal_defaults(),
on_rightclick = function(pos, node, clicker, itemstack, pointed_thing)
return ladder_extender(pos, node, clicker, itemstack, pointed_thing, "ropes:ladder_steel", ropes.extending_steel_ladder_limit)
end,
})
else
-- Table of possible wallmounted values
local facedir_to_wallmounted = {
4, -- +Z
2, -- +X
5, -- -Z
3, -- -X
1, -- -Y
0, -- +Y
}
-- Mapping from facedir value to index in facedir_to_dir.
local facedir_to_wallmounted_map = {
[0]=1, 2, 3, 4,
5, 2, 6, 4,
6, 2, 5, 4,
1, 5, 3, 6,
1, 6, 3, 5,
1, 4, 3, 2,
}
minetest.register_lbm({
label = "Switch from ropes ladders to wallmounted default ladders",
name = "ropes:facedir_ladder_to_wallmounted_ladder",
nodenames = {"ropes:ladder_wood", "ropes:ladder_steel"},
run_at_every_load = false,
action = function(pos, node)
local new_node = {param2 = facedir_to_wallmounted[facedir_to_wallmounted_map[node.param2 % 32]]}
if (node.name == "ropes:ladder_wood") then
new_node.name = "default:ladder_wood"
else
new_node.name = "default:ladder_steel"
end
minetest.set_node(pos, new_node)
end,
})
end