I cant... to much stuff changed. I lost track. Everything is in chaos.

Schematics broke... please, help me.

mods/ITEMS/pyutest_electricity/init.lua

@@ -0,0 +1,177 @@
+PyuTest.ELECTRICITY_TICK = 0.02 -- Maybe this will prevent stack overflows?
+local function get_neighbours(pos)
+  return {
+    vector.new(pos.x + 1, pos.y, pos.z),
+    vector.new(pos.x - 1, pos.y, pos.z),
+    vector.new(pos.x + 1, pos.y + 1, pos.z),
+    vector.new(pos.x + 1, pos.y - 1, pos.z),
+    vector.new(pos.x - 1, pos.y - 1, pos.z),
+    vector.new(pos.x - 1, pos.y + 1, pos.z),
+
+    vector.new(pos.x, pos.y, pos.z + 1),
+    vector.new(pos.x, pos.y, pos.z - 1),
+    vector.new(pos.x, pos.y + 1, pos.z + 1),
+    vector.new(pos.x, pos.y - 1, pos.z + 1),
+    vector.new(pos.x, pos.y + 1, pos.z - 1),
+    vector.new(pos.x, pos.y - 1, pos.z - 1),
+
+    vector.new(pos.x, pos.y + 1, pos.z),
+    vector.new(pos.x, pos.y - 1, pos.z),
+  }
+end
+
+PyuTest.make_button = function(id, desc, groups, tiles)
+  PyuTest.make_node(id, desc, PyuTest.util.tableconcat(groups, {
+    electric = 1
+  }), tiles, {
+    is_ground_content = false,
+    on_rightclick = function(pos, node, clicker)
+      minetest.sound_play("button", {
+        pos = pos,
+        gain = 1
+      })
+
+      for _, v in pairs(get_neighbours(pos)) do
+        local n = minetest.get_node(v)
+        local def = minetest.registered_nodes[n.name]
+        minetest.after(PyuTest.ELECTRICITY_TICK, function()
+          if def.__on_electricity_activated then
+            def.__on_electricity_activated(v, n, clicker, pos)
+          end
+        end)
+      end
+    end
+  })
+end
+
+PyuTest.make_wire = function(id, desc, groups, color, efn)
+  local fn = efn or function(def, pos, node, clicker, sender_pos)
+    def.__on_electricity_activated(pos, node, clicker, sender_pos)
+  end
+
+  PyuTest.make_node(id, desc, PyuTest.util.tableconcat(groups, {
+    electric = 1
+  }), {
+    "pyutest-wire.png",
+    "pyutest-wire.png",
+    "pyutest-wire.png",
+    "pyutest-wire.png"
+  }, {
+    drawtype = "raillike",
+    color = color,
+    paramtype = "light",
+    sunlight_propagates = true,
+    walkable = false,
+    inventory_image = "pyutest-wire.png",
+
+    __on_electricity_activated = function(pos, node, clicker, sender_pos)
+      for _, v in pairs(get_neighbours(pos)) do
+        local n = minetest.get_node(v)
+        local def = minetest.registered_nodes[n.name]
+
+        -- To prevent infinite loops
+        if v == sender_pos then
+          goto continue
+        end
+
+        minetest.after(PyuTest.ELECTRICITY_TICK, function()
+          if def.__on_electricity_activated then
+            fn(def, v, n, clicker, pos)
+          end
+        end)
+
+        ::continue::
+      end
+    end
+  })
+end
+
+PyuTest.make_button("pyutest_electricity:button", "Button", {
+  cracky = PyuTest.BLOCK_NORMAL,
+}, { "pyutest-button.png" })
+
+PyuTest.make_wire("pyutest_electricity:copper_wire", "Copper Wire", {
+  snappy = PyuTest.BLOCK_NORMAL
+}, "darkgoldenrod")
+
+PyuTest.make_wire("pyutest_electricity:zinc_wire", "Zinc Wire", {
+  snappy = PyuTest.BLOCK_NORMAL
+}, "#bed3d4", function(def, pos, node, clicker, sender_pos)
+  minetest.after(0.2, function()
+    def.__on_electricity_activated(pos, node, clicker, sender_pos)
+  end)
+end)
+
+PyuTest.make_node("pyutest_electricity:freezer_device", "Freezer Device", {
+  cracky = PyuTest.BLOCK_FAST,
+  electric = 1
+}, { "pyutest-freezer.png" }, {
+  __on_electricity_activated = function(pos, node, clicker)
+    PyuTest.dorange(pos, 2, function(p)
+      local n = minetest.get_node(p)
+
+      if minetest.get_item_group(n.name, "freezable") ~= 0 then
+        minetest.set_node(p, { name = "pyutest_blocks:ice_block" })
+      elseif minetest.get_item_group(n.name, "coolable") ~= 0 then
+        local def = minetest.registered_nodes[n.name]
+        local cool_into = def.__cool_into or "pyutest_blocks:water_source"
+        minetest.set_node(p, { name = cool_into })
+      end
+    end)
+  end
+})
+
+PyuTest.make_node("pyutest_electricity:heater_device", "Heater Device", {
+  cracky = PyuTest.BLOCK_FAST,
+  electric = 1
+}, { "pyutest-heater.png" }, {
+  __on_electricity_activated = function(pos, node, clicker)
+    PyuTest.dorange(pos, 2, function(p)
+      local n = minetest.get_node(p)
+
+      if minetest.get_item_group(n.name, "thawable") ~= 0 then
+        local def = minetest.registered_nodes[n.name]
+        local thaw_into = def.__thaw_into or "pyutest_blocks:water_source"
+        minetest.set_node(p, { name = thaw_into })
+      elseif minetest.get_item_group(n.name, "heatable") ~= 0 then
+        local def = minetest.registered_nodes[n.name]
+        local heat_into = def.__heat_into or "pyutest_blocks:lava_source"
+        minetest.set_node(p, { name = heat_into })
+      end
+    end)
+  end
+})
+
+minetest.register_craft({
+  output = "pyutest_electricity:copper_wire 4",
+  recipe = {
+    "pyutest_ores:copper_ingot"
+  },
+  type = "shapeless"
+})
+
+minetest.register_craft({
+  output = "pyutest_electricity:zinc_wire 4",
+  recipe = {
+    "pyutest_ores:zinc_ingot"
+  },
+  type = "shapeless"
+})
+
+minetest.register_craft({
+  output = "pyutest_electricity:button",
+  recipe = {
+    { "pyutest_blocks:stone_block", "pyutest_blocks:stone_block",  "pyutest_blocks:stone_block" },
+    { "pyutest_blocks:stone_block", "pyutest_ores:copper_ingot", "pyutest_blocks:stone_block" },
+    { "pyutest_blocks:stone_block", "pyutest_blocks:stone_block",  "pyutest_blocks:stone_block" }
+  },
+})
+
+minetest.register_craft({
+  output = "pyutest_electricity:freezer_device",
+  recipe = {
+    { "pyutest_blocks:stone_block", "pyutest_blocks:stone_block", "pyutest_blocks:stone_block" },
+    { "pyutest_blocks:stone_block", "pyutest_blocks:ice_block",   "pyutest_blocks:stone_block" },
+    { "pyutest_blocks:stone_block", "pyutest_blocks:stone_block", "pyutest_blocks:stone_block" }
+  },
+})

mods/ITEMS/pyutest_electricity/mod.conf

@@ -0,0 +1 @@
+depends = pyutest_blocks