124 lines
3.5 KiB
Lua
124 lines
3.5 KiB
Lua
-- xFences mod by xyz
|
|
-- most code is taken from xPanes
|
|
|
|
local REPLACE_DEFAULT_FENCES = false
|
|
|
|
local function rshift(x, by)
|
|
return math.floor(x / 2 ^ by)
|
|
end
|
|
|
|
local function merge(lhs, rhs)
|
|
local merged_table = {}
|
|
for _, v in ipairs(lhs) do
|
|
table.insert(merged_table, v)
|
|
end
|
|
for _, v in ipairs(rhs) do
|
|
table.insert(merged_table, v)
|
|
end
|
|
return merged_table
|
|
end
|
|
|
|
local directions = {
|
|
{x = 1, y = 0, z = 0},
|
|
{x = 0, y = 0, z = 1},
|
|
{x = -1, y = 0, z = 0},
|
|
{x = 0, y = 0, z = -1},
|
|
}
|
|
|
|
local function update_fence(pos)
|
|
if minetest.env:get_node(pos).name:find("xfences:fence") == nil then
|
|
return
|
|
end
|
|
local sum = 0
|
|
for i = 1, 4 do
|
|
local node = minetest.env:get_node({x = pos.x + directions[i].x, y = pos.y + directions[i].y, z = pos.z + directions[i].z})
|
|
if minetest.registered_nodes[node.name].walkable ~= false then
|
|
sum = sum + 2 ^ (i - 1)
|
|
end
|
|
end
|
|
minetest.env:add_node(pos, {name = "xfences:fence_"..sum})
|
|
end
|
|
|
|
local function update_nearby(pos)
|
|
for i = 1,4 do
|
|
update_fence({x = pos.x + directions[i].x, y = pos.y + directions[i].y, z = pos.z + directions[i].z})
|
|
end
|
|
end
|
|
|
|
local blocks = {
|
|
{{0, 0.25, -0.06, 0.5, 0.4, 0.06}, {0, -0.15, -0.06, 0.5, 0, 0.06}},
|
|
{{-0.06, 0.25, 0, 0.06, 0.4, 0.5}, {-0.06, -0.15, 0, 0.06, 0, 0.5}},
|
|
{{-0.5, 0.25, -0.06, 0, 0.4, 0.06}, {-0.5, -0.15, -0.06, 0, 0, 0.06}},
|
|
{{-0.06, 0.25, -0.5, 0.06, 0.4, 0}, {-0.06, -0.15, -0.5, 0.06, 0, 0}}
|
|
}
|
|
|
|
local limiters = {
|
|
{{0, 1.0, -0.1, 0.5, 1.0, -0.0999}, {0, 1.0, 0.0999, 0.5, 1.0, 0.1}},
|
|
{{-0.1, 1.0, 0, -0.0999, 1.0, 0.5}, {0.0999, 1.0, 0, 0.1, 1.0, 0.5}},
|
|
{{-0.5, 1.0, -0.1, 0, 1.0, -0.0999}, {-0.5, 1.0, 0.0999, 0, 1.0, 0.1}},
|
|
{{-0.1, 1.0, -0.5, -0.0999, 1.0, 0}, {0.0999, 1.0, -0.5, 0.1, 1.0, 0}},
|
|
}
|
|
|
|
local base = {-0.1, -0.5, -0.1, 0.1, 0.5, 0.1}
|
|
|
|
for i = 0, 15 do
|
|
local take = {base}
|
|
local take_with_limits = {base}
|
|
for j = 1, 4 do
|
|
if rshift(i, j - 1) % 2 == 1 then
|
|
take = merge(take, blocks[j])
|
|
take_with_limits = merge(take_with_limits, merge(blocks[j], limiters[j]))
|
|
end
|
|
end
|
|
|
|
local texture = "default_wood.png"
|
|
minetest.register_node("xfences:fence_"..i, {
|
|
drawtype = "nodebox",
|
|
tile_images = {texture},
|
|
paramtype = "light",
|
|
groups = {snappy=2,choppy=2,oddly_breakable_by_hand=2},
|
|
drop = "xfences:fence",
|
|
node_box = {
|
|
type = "fixed",
|
|
fixed = take_with_limits
|
|
},
|
|
selection_box = {
|
|
type = "fixed",
|
|
fixed = take
|
|
},
|
|
sounds = default.node_sound_wood_defaults(),
|
|
})
|
|
end
|
|
|
|
minetest.register_node("xfences:fence", {
|
|
description = "Wooden Fence",
|
|
tile_images = {"xfences_space.png"},
|
|
inventory_image = "default_fence.png",
|
|
wield_image = "default_fence.png",
|
|
node_placement_prediction = "",
|
|
on_construct = update_fence
|
|
})
|
|
|
|
minetest.register_on_placenode(update_nearby)
|
|
minetest.register_on_dignode(update_nearby)
|
|
|
|
minetest.register_craft({
|
|
output = 'xfences:fence 2',
|
|
recipe = {
|
|
{'default:stick', 'default:stick', 'default:stick'},
|
|
{'default:stick', 'default:stick', 'default:stick'}
|
|
}
|
|
})
|
|
|
|
if REPLACE_DEFAULT_FENCES then
|
|
minetest.register_abm({
|
|
nodenames = {"default:fence_wood"},
|
|
interval = 0.1,
|
|
chance = 1,
|
|
action = function(pos)
|
|
minetest.env:add_node(pos, {name = "xfences:fence"})
|
|
end
|
|
})
|
|
minetest.register_alias("default:fence_wood", "xfences:fence")
|
|
end
|