1 files changed, 87 insertions(+), 0 deletions(-)

M mods/falling_nodes/materials.lua

@@ 171,3 171,90 @@ minetest.register_node("falling_nodes:wood", {
     dig_immediate = 3,
   },
 })
+
+-- Electronics
+--------------
+
+-- Time from powered to semi_powered.
+local METAL_POWERED_DECAY_TIME = minetest.settings:get("abm_interval") * 2
+-- Time from semi_powered to normal metal.
+-- Has to be a certain amount higher than METAL_POWERED_DECAY_TIME to avoid
+-- producing electricity loops (semi_powered metal is not conductive).
+local METAL_SEMI_POWERED_DECAY_TIME = METAL_POWERED_DECAY_TIME * 3
+
+minetest.register_node("falling_nodes:metal", {
+  description = "Metal",
+  tiles = {"[fill:1x1:#404060"},
+  groups = {
+    ["falling_nodes:material"] = 1,
+    ["falling_nodes:solid"] = 1,
+    dig_immediate = 3,
+  },
+})
+
+minetest.register_node("falling_nodes:metal_powered", {
+  description = "Metal (powered)",
+  tiles = {"[fill:1x1:#FFFF80"},
+  groups = {
+    ["falling_nodes:material"] = 1,
+    ["falling_nodes:solid"] = 1,
+    dig_immediate = 3,
+    not_in_creative_inventory = 1,
+  },
+  on_construct = function(pos)
+    minetest.get_node_timer(pos):start(METAL_POWERED_DECAY_TIME)
+  end,
+  on_timer = function(pos)
+    minetest.swap_node(pos, {name = "falling_nodes:metal_semi_powered"})
+    for _,p in ipairs(utils.get_neighbors(pos)) do
+      if minetest.get_node(p).name == "falling_nodes:metal" then
+        minetest.swap_node(p, {name = "falling_nodes:metal_powered"})
+        minetest.get_node_timer(p):start(METAL_POWERED_DECAY_TIME)
+      end
+    end
+    minetest.get_node_timer(pos):start(METAL_SEMI_POWERED_DECAY_TIME)
+  end,
+})
+
+minetest.register_node("falling_nodes:metal_semi_powered", {
+  description = "Metal (unpowering)",
+  tiles = {"[fill:1x1:#9F9F70"},
+  groups = {
+    ["falling_nodes:material"] = 1,
+    ["falling_nodes:solid"] = 1,
+    dig_immediate = 3,
+    not_in_creative_inventory = 1,
+  },
+  on_construct = function(pos)
+    minetest.get_node_timer(pos):start(METAL_SEMI_POWERED_DECAY_TIME)
+  end,
+  on_timer = function(pos)
+    minetest.swap_node(pos, {name = "falling_nodes:metal"})
+  end,
+})
+
+minetest.register_node("falling_nodes:battery", {
+  description = "Battery\nGenerates electricity",
+  short_description = "Battery",
+  tiles = {"[fill:1x1:#858505"},
+  groups = {
+    ["falling_nodes:material"] = 1,
+    ["falling_nodes:solid"] = 1,
+    dig_immediate = 3,
+  },
+})
+
+minetest.register_abm {
+  label = "Battery power generation",
+  nodenames = {"falling_nodes:metal"},
+  neighbors = {"falling_nodes:battery"},
+  interval = minetest.settings:get("abm_interval") * 4,
+  chance = 1,
+  catch_up = false,
+  action = function(pos)
+    minetest.swap_node(pos, {name = "falling_nodes:metal_powered"})
+    minetest.get_node_timer(pos):start(METAL_POWERED_DECAY_TIME)
+  end,
+}
+
+-- TODO add spark tool