-xpanes = {}
-local function rshift(x, by)
- return math.floor(x / 2 ^ by)
+local function is_pane(pos)
+ return minetest.get_item_group(minetest.get_node(pos).name, "pane") > 0
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_pane(pos, name)
- if not minetest.get_node(pos).name:find("^xpanes:"..name) then
- return
+local function connects_dir(pos, name, dir)
+ local aside = vector.add(pos, minetest.facedir_to_dir(dir))
+ if is_pane(aside) then
+ return true
end
- local sum = 0
- for i, dir in pairs(directions) do
- local node = minetest.get_node(vector.add(pos, dir))
- local def = minetest.registered_nodes[node.name]
- local pane_num = def and def.groups.pane or 0
- if pane_num > 0 or not def or (def.walkable ~= false and
- def.drawtype ~= "nodebox") then
- sum = sum + 2 ^ (i - 1)
- end
+
+ local connects_to = minetest.registered_nodes[name].connects_to
+ if not connects_to then
+ return false
end
- if sum == 0 then
- sum = 15
+ local list = minetest.find_nodes_in_area(aside, aside, connects_to)
+
+ if #list > 0 then
+ return true
end
- minetest.set_node(pos, {name = "xpanes:"..name.."_"..sum})
+
+ return false
end
-local function update_nearby(pos, node)
- node = node or minetest.get_node(pos)
- local name = node.name
- if not name or node.name:sub(1, 7) ~= "xpanes:" then
+local function swap(pos, node, name, param2)
+ if node.name == name and node.param2 == param2 then
return
end
- local underscore_pos = string.find(name, "_[^_]*$") or 0
- local len = name:len()
- local num = tonumber(name:sub(underscore_pos+1, len))
- if not num or num < 1 or num > 15 then
- name = name:sub(8)
- else
- name = name:sub(8, underscore_pos - 1)
- end
- for i, dir in pairs(directions) do
- update_pane(vector.add(pos, dir), name)
- end
+
+ minetest.set_node(pos, {name = name, param2 = param2})
end
-minetest.register_on_placenode(update_nearby)
-minetest.register_on_dignode(update_nearby)
-
-local half_boxes = {
- {0, -0.5, -1/32, 0.5, 0.5, 1/32},
- {-1/32, -0.5, 0, 1/32, 0.5, 0.5},
- {-0.5, -0.5, -1/32, 0, 0.5, 1/32},
- {-1/32, -0.5, -0.5, 1/32, 0.5, 0}
-}
-
-local full_boxes = {
- {-0.5, -0.5, -1/32, 0.5, 0.5, 1/32},
- {-1/32, -0.5, -0.5, 1/32, 0.5, 0.5}
-}
-
-local sb_half_boxes = {
- {0, -0.5, -0.06, 0.5, 0.5, 0.06},
- {-0.06, -0.5, 0, 0.06, 0.5, 0.5},
- {-0.5, -0.5, -0.06, 0, 0.5, 0.06},
- {-0.06, -0.5, -0.5, 0.06, 0.5, 0}
-}
-
-local sb_full_boxes = {
- {-0.5, -0.5, -0.06, 0.5, 0.5, 0.06},
- {-0.06, -0.5, -0.5, 0.06, 0.5, 0.5}
-}
-
-local pane_def_fields = {
- drawtype = "airlike",
- paramtype = "light",
- is_ground_content = false,
- sunlight_propagates = true,
- walkable = false,
- pointable = false,
- diggable = false,
- buildable_to = true,
- air_equivalent = true,
-}
+local function update_pane(pos)
+ if not is_pane(pos) then
+ return
+ end
+ local node = minetest.get_node(pos)
+ local name = node.name
+ if name:sub(-5) == "_flat" then
+ name = name:sub(1, -6)
+ end
-function xpanes.register_pane(name, def)
- for i = 1, 15 do
- local need = {}
- local cnt = 0
- for j = 1, 4 do
- if rshift(i, j - 1) % 2 == 1 then
- need[j] = true
- cnt = cnt + 1
- end
- end
- local take = {}
- local take2 = {}
- if need[1] == true and need[3] == true then
- need[1] = nil
- need[3] = nil
- table.insert(take, full_boxes[1])
- table.insert(take2, sb_full_boxes[1])
+ local any = node.param2
+ local c = {}
+ local count = 0
+ for dir = 0, 3 do
+ c[dir] = connects_dir(pos, name, dir)
+ if c[dir] then
+ any = dir
+ count = count + 1
end
- if need[2] == true and need[4] == true then
- need[2] = nil
- need[4] = nil
- table.insert(take, full_boxes[2])
- table.insert(take2, sb_full_boxes[2])
- end
- for k in pairs(need) do
- table.insert(take, half_boxes[k])
- table.insert(take2, sb_half_boxes[k])
- end
- local texture = def.textures[1]
- if cnt == 1 then
- texture = def.textures[1].."^"..def.textures[2]
+ end
+
+ if count == 0 then
+ swap(pos, node, name .. "_flat", any)
+ elseif count == 1 then
+ swap(pos, node, name .. "_flat", (any + 1) % 4)
+ elseif count == 2 then
+ if (c[0] and c[2]) or (c[1] and c[3]) then
+ swap(pos, node, name .. "_flat", (any + 1) % 4)
+ else
+ swap(pos, node, name, 0)
end
- minetest.register_node(":xpanes:"..name.."_"..i, {
- drawtype = "nodebox",
- tiles = {def.textures[3], def.textures[3], texture},
- paramtype = "light",
- groups = def.groups,
- drop = "xpanes:"..name,
- sounds = def.sounds,
- node_box = {
- type = "fixed",
- fixed = take
- },
- selection_box = {
- type = "fixed",
- fixed = take2
- }
- })
+ else
+ swap(pos, node, name, 0)
+ end
+end
+
+minetest.register_on_placenode(function(pos, node)
+ if minetest.get_item_group(node, "pane") then
+ update_pane(pos)
+ end
+ for i = 0, 3 do
+ local dir = minetest.facedir_to_dir(i)
+ update_pane(vector.add(pos, dir))
end
+end)
- for k, v in pairs(pane_def_fields) do
- def[k] = def[k] or v
+minetest.register_on_dignode(function(pos)
+ for i = 0, 3 do
+ local dir = minetest.facedir_to_dir(i)
+ update_pane(vector.add(pos, dir))
end
+end)
- def.on_construct = function(pos)
- update_pane(pos, name)
+xpanes = {}
+function xpanes.register_pane(name, def)
+ for i = 1, 15 do
+ minetest.register_alias("xpanes:" .. name .. "_" .. i, "xpanes:" .. name .. "_flat")
end
- minetest.register_node(":xpanes:"..name, def)
+ local flatgroups = table.copy(def.groups)
+ flatgroups.pane = 1
+ minetest.register_node(":xpanes:" .. name .. "_flat", {
+ description = def.description,
+ drawtype = "nodebox",
+ paramtype = "light",
+ is_ground_content = false,
+ sunlight_propagates = true,
+ inventory_image = def.inventory_image,
+ wield_image = def.wield_image,
+ paramtype2 = "facedir",
+ tiles = {def.textures[3], def.textures[3], def.textures[1]},
+ groups = flatgroups,
+ drop = "xpanes:" .. name .. "_flat",
+ sounds = def.sounds,
+ node_box = {
+ type = "fixed",
+ fixed = {{-1/2, -1/2, -1/32, 1/2, 1/2, 1/32}},
+ },
+ selection_box = {
+ type = "fixed",
+ fixed = {{-1/2, -1/2, -1/32, 1/2, 1/2, 1/32}},
+ },
+ connect_sides = { "left", "right" },
+ })
+
+ local groups = table.copy(def.groups)
+ groups.pane = 1
+ groups.not_in_creative_inventory = 1
+ minetest.register_node(":xpanes:" .. name, {
+ drawtype = "nodebox",
+ paramtype = "light",
+ is_ground_content = false,
+ sunlight_propagates = true,
+ description = def.description,
+ tiles = {def.textures[3], def.textures[3], def.textures[1]},
+ groups = groups,
+ drop = "xpanes:" .. name .. "_flat",
+ sounds = def.sounds,
+ node_box = {
+ type = "connected",
+ fixed = {{-1/32, -1/2, -1/32, 1/32, 1/2, 1/32}},
+ connect_front = {{-1/32, -1/2, -1/2, 1/32, 1/2, -1/32}},
+ connect_left = {{-1/2, -1/2, -1/32, -1/32, 1/2, 1/32}},
+ connect_back = {{-1/32, -1/2, 1/32, 1/32, 1/2, 1/2}},
+ connect_right = {{1/32, -1/2, -1/32, 1/2, 1/2, 1/32}},
+ },
+ connects_to = {"group:pane", "group:stone", "group:glass", "group:wood", "group:tree"},
+ })
minetest.register_craft({
- output = "xpanes:"..name.." 16",
+ output = "xpanes:" .. name .. "_flat 16",
recipe = def.recipe
})
end
inventory_image = "default_glass.png",
wield_image = "default_glass.png",
sounds = default.node_sound_glass_defaults(),
- groups = {snappy=2, cracky=3, oddly_breakable_by_hand=3, pane=1},
+ groups = {snappy=2, cracky=3, oddly_breakable_by_hand=3},
recipe = {
{"default:glass", "default:glass", "default:glass"},
{"default:glass", "default:glass", "default:glass"}
textures = {"xpanes_bar.png","xpanes_bar.png","xpanes_space.png"},
inventory_image = "xpanes_bar.png",
wield_image = "xpanes_bar.png",
- groups = {cracky=2, pane=1},
+ groups = {cracky=2},
sounds = default.node_sound_stone_defaults(),
recipe = {
{"default:steel_ingot", "default:steel_ingot", "default:steel_ingot"},
}
})
+minetest.register_lbm({
+ name = "xpanes:gen2",
+ nodenames = {"group:pane"},
+ action = function(pos, node)
+ update_pane(pos)
+ for i = 0, 3 do
+ local dir = minetest.facedir_to_dir(i)
+ update_pane(vector.add(pos, dir))
+ end
+ end
+})