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@@ -0,0 +1,173 @@
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+local function rshift(x, by)
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+ return math.floor(x / 2 ^ by)
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+end
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+
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+local directions = {
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+ {x = 1, y = 0, z = 0},
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+ {x = 0, y = 0, z = 1},
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+ {x = -1, y = 0, z = 0},
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+ {x = 0, y = 0, z = -1},
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+}
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+
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+local function update_pane(pos,name)
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+ if minetest.get_node(pos).name:find("xpanes:"..name) == nil then
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+ return
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+ end
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+ local sum = 0
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+ for i = 1, 4 do
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+ local node = minetest.get_node({x = pos.x + directions[i].x, y = pos.y + directions[i].y, z = pos.z + directions[i].z})
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+ local pane_num = minetest.registered_nodes[node.name].groups.pane or 0
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+ if (minetest.registered_nodes[node.name].walkable ~= false and minetest.registered_nodes[node.name].drawtype ~= "nodebox") or pane_num > 0 then
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+ sum = sum + 2 ^ (i - 1)
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+ end
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+ end
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+ if sum == 0 then
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+ sum = 15
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+ end
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+ minetest.set_node(pos, {name = "xpanes:"..name.."_"..sum})
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+end
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+
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+local function update_nearby(pos,n)
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+ if n == nil then n = minetest.get_node(pos) end
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+ if not n or not n.name then return end
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+ local name = string.sub(n.name,8,10)
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+ if name ~= "bar" then name = "pane" end
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+ for i = 1,4 do
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+ update_pane({x = pos.x + directions[i].x, y = pos.y + directions[i].y, z = pos.z + directions[i].z}, name)
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+ end
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+end
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+
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+local half_blocks = {
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+ {0, -0.5, -1/32, 0.5, 0.5, 1/32},
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+ {-1/32, -0.5, 0, 1/32, 0.5, 0.5},
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+ {-0.5, -0.5, -1/32, 0, 0.5, 1/32},
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+ {-1/32, -0.5, -0.5, 1/32, 0.5, 0}
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+}
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+
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+local full_blocks = {
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+ {-0.5, -0.5, -1/32, 0.5, 0.5, 1/32},
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+ {-1/32, -0.5, -0.5, 1/32, 0.5, 0.5}
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+}
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+
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+local sb_half_blocks = {
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+ {0, -0.5, -0.06, 0.5, 0.5, 0.06},
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+ {-0.06, -0.5, 0, 0.06, 0.5, 0.5},
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+ {-0.5, -0.5, -0.06, 0, 0.5, 0.06},
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+ {-0.06, -0.5, -0.5, 0.06, 0.5, 0}
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+}
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+
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+local sb_full_blocks = {
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+ {-0.5, -0.5, -0.06, 0.5, 0.5, 0.06},
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+ {-0.06, -0.5, -0.5, 0.06, 0.5, 0.5}
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+}
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+--register panes and bars
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+local function register_panes(name, def)
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+for i = 1, 15 do
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+ local need = {}
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+ local cnt = 0
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+ for j = 1, 4 do
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+ if rshift(i, j - 1) % 2 == 1 then
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+ need[j] = true
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+ cnt = cnt + 1
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+ end
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+ end
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+ local take = {}
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+ local take2 = {}
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+ if need[1] == true and need[3] == true then
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+ need[1] = nil
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+ need[3] = nil
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+ table.insert(take, full_blocks[1])
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+ table.insert(take2, sb_full_blocks[1])
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+ end
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+ if need[2] == true and need[4] == true then
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+ need[2] = nil
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+ need[4] = nil
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+ table.insert(take, full_blocks[2])
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+ table.insert(take2, sb_full_blocks[2])
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+ end
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+ for k in pairs(need) do
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+ table.insert(take, half_blocks[k])
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+ table.insert(take2, sb_half_blocks[k])
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+ end
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+ local texture = def.textures[1]
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+ if cnt == 1 then
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+ texture = def.textures[1].."^"..def.textures[2]
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+ end
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+ minetest.register_node("xpanes:"..name.."_"..i, {
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+ drawtype = "nodebox",
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+ tiles = {def.textures[3], def.textures[3], texture},
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+ paramtype = "light",
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+ groups = def.groups,
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+ drop = "xpanes:"..name,
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+ sounds = def.sounds,
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+ node_box = {
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+ type = "fixed",
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+ fixed = take
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+ },
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+ selection_box = {
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+ type = "fixed",
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+ fixed = take2
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+ }
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+ })
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+end
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+
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+minetest.register_node("xpanes:"..name, def)
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+
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+minetest.register_craft({
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+ output = "xpanes:"..name.." 16",
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+ recipe = def.recipe
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+})
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+end
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+
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+minetest.register_on_placenode(update_nearby)
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+minetest.register_on_dignode(update_nearby)
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+
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+register_panes("pane", {
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+ description = "Glass Pane",
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+ tiles = {"xpanes_space.png"},
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+ drawtype = "airlike",
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+ paramtype = "light",
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+ sunlight_propagates = true,
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+ walkable = false,
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+ pointable = false,
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+ diggable = false,
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+ buildable_to = true,
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+ air_equivalent = true,
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+ textures = {"default_glass.png","xpanes_pane_half.png","xpanes_white.png"},
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+ inventory_image = "default_glass.png",
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+ wield_image = "default_glass.png",
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+ sounds = default.node_sound_glass_defaults(),
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+ groups = {snappy=2,cracky=3,oddly_breakable_by_hand=3,pane=1},
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+ on_construct = function(pos)
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+ update_pane(pos, "pane")
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+ end,
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+ recipe = {
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+ {'default:glass', 'default:glass', 'default:glass'},
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+ {'default:glass', 'default:glass', 'default:glass'}
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+ }
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+})
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+
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+register_panes("bar", {
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+ description = "Iron bar",
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+ tiles = {"xpanes_space.png"},
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+ drawtype = "airlike",
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+ paramtype = "light",
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+ sunlight_propagates = true,
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+ walkable = false,
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+ pointable = false,
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+ diggable = false,
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+ buildable_to = true,
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+ air_equivalent = true,
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+ textures = {"xpanes_bar.png","xpanes_bar.png","xpanes_space.png"},
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+ inventory_image = "xpanes_bar.png",
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+ wield_image = "xpanes_bar.png",
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+ groups = {snappy=2,cracky=3,oddly_breakable_by_hand=3,pane=1},
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+ sounds = default.node_sound_stone_defaults(),
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+ on_construct = function(pos)
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+ update_pane(pos, "bar")
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+ end,
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+ recipe = {
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+ {'default:steel_ingot', 'default:glass', 'default:glass'},
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+ {'default:glass', 'default:glass', 'default:glass'}
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+ }
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+})
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