game/technic.git

			@@ -7,6 +7,10 @@
			-- sum(power rating of the attached appliances)/0.6
			-- Using inductive power transfer is very inefficient so this is
			-- set to the factor 0.6.
			--
			-- Punching the radiator will toggle the power state of all attached appliances.
			--
			local power_radius = 6

			------------------------------------------------------------------
			-- API for inductive powered nodes:
			@@ -29,7 +33,7 @@
			local meta = minetest.env:get_meta(pos)
			meta:set_string("infotext", infotext)
			meta:set_int("technic_inductive_power_machine", 1)
			meta:set_int("MV_EU_demand",eu_demand) -- The power demand of this appliance
			meta:set_int("EU_demand",eu_demand) -- The power demand of this appliance
			meta:set_int("EU_charge",0) -- The actual power draw of this appliance
			meta:set_string("has_supply","") -- Register whether we are powered or not. For use with several radiators.
			meta:set_int("active", 0) -- If the appliance can be turned on and off by using it use this.
			@@ -63,11 +67,11 @@

			local shutdown_inductive_appliances = function(pos)
			-- The supply radius
			local rad = 4
			local rad = power_radius
			-- If the radiator is removed. turn off all appliances in region
			-- If another radiator is near it will turn on the appliances again
			local positions = minetest.env:find_nodes_in_area({x=pos.x-rad,y=pos.y-rad,z=pos.z-rad},{x=pos.x+rad,y=pos.y+rad,z=pos.z+rad}, technic.inductive_nodes)
			for _,pos1 in ipairs(positions) do
			for _,pos1 in pairs(positions) do
			local meta1 = minetest.env:get_meta(pos1)
			-- If the appliance is belonging to this node
			if meta1:get_string("has_supply") == pos.x..pos.y..pos.z then
			@@ -83,12 +87,24 @@
			end
			end

			local toggle_on_off_inductive_appliances = function(pos, node, puncher)
			if pos == nil then return end
			-- The supply radius
			local rad = power_radius
			local positions = minetest.env:find_nodes_in_area({x=pos.x-rad,y=pos.y-rad,z=pos.z-rad},{x=pos.x+rad,y=pos.y+rad,z=pos.z+rad}, technic.inductive_nodes)
			for _,pos1 in pairs(positions) do
			local meta1 = minetest.env:get_meta(pos1)
			if meta1:get_string("has_supply") == pos.x..pos.y..pos.z then
			minetest.env:punch_node(pos1)
			end
			end
			end

			minetest.register_node(
			"technic:power_radiator", {
			description = "Power Radiator",
			tiles = {"technic_hv_down_converter_top.png", "technic_hv_down_converter_bottom.png", "technic_hv_down_converter_side.png",
			"technic_hv_down_converter_side.png", "technic_hv_down_converter_side.png", "technic_hv_down_converter_side.png"},
			tiles = {"technic_lv_cable.png", "technic_lv_cable.png", "technic_lv_cable.png",
			"technic_lv_cable.png", "technic_lv_cable.png", "technic_lv_cable.png"},
			groups = {snappy=2,choppy=2,oddly_breakable_by_hand=2},
			sounds = default.node_sound_wood_defaults(),
			drawtype = "nodebox",
			@@ -114,6 +130,9 @@
			shutdown_inductive_appliances(pos)
			return minetest.node_dig(pos, node, digger)
			end,
			on_punch = function(pos, node, puncher)
			toggle_on_off_inductive_appliances(pos, node, puncher)
			end
			})

			minetest.register_craft(
			@@ -143,7 +162,8 @@
			meta:set_string("infotext", "Power Radiator is unpowered");
			-- meta:set_int("active",1) -- used for setting textures someday maybe
			shutdown_inductive_appliances(pos)
			connected_EU_demand = 0
			meta:set_int("connected_EU_demand", 0)
			meta:set_int("MV_EU_demand",1)
			elseif eu_input == eu_demand then
			-- Powered and ready

			@@ -154,7 +174,7 @@
			-- Efficiency factor
			local eff_factor = 0.6
			-- The supply radius
			local rad = 6
			local rad = power_radius

			local meta1 = nil
			local pos1 = {}
			@@ -162,23 +182,24 @@

			-- Index all nodes within supply range
			local positions = minetest.env:find_nodes_in_area({x=pos.x-rad,y=pos.y-rad,z=pos.z-rad},{x=pos.x+rad,y=pos.y+rad,z=pos.z+rad}, technic.inductive_nodes)
			for _,pos1 in ipairs(positions) do
			for _,pos1 in pairs(positions) do
			local meta1 = minetest.env:get_meta(pos1)
			-- If not supplied see if this node can handle it.
			if meta1:get_string("has_supply") == "" then
			-- if demand surpasses the capacity of this node, don't bother adding it.
			local app_eu_demand = meta1:get_int("EU_demand")/eff_factor
			local app_eu_demand = math.floor(meta1:get_int("EU_demand")/eff_factor)
			if connected_EU_demand + app_eu_demand <= max_charge then
			--print("I can supply this:"..connected_EU_demand.."\|"..app_eu_demand.."<="..max_charge.."\|act:"..meta1:get_int("EU_charge"))
			-- We can power the appliance. Register, and spend power if it is on.
			connected_EU_demand = connected_EU_demand + app_eu_demand

			meta1:set_string("has_supply", pos.x..pos.y..pos.z)
			used_charge = math.floor(used_charge+meta1:get_int("EU_charge")/eff_factor)
			--Always 0: used_charge = math.floor(used_charge+meta1:get_int("EU_charge")/eff_factor)
			end
			elseif meta1:get_string("has_supply") == pos.x..pos.y..pos.z then
			-- The appliance has power from this node. Spend power if it is on.
			used_charge = math.floor(used_charge+meta1:get_int("EU_charge")/eff_factor)
			print("My Lamp ("..pos.x..","..pos.y..","..pos.z..") Used:"..used_charge)
			used_charge = used_charge+math.floor(meta1:get_int("EU_charge")/eff_factor)
			--print("My Lamp ("..pos.x..","..pos.y..","..pos.z..") Used:"..used_charge.."Max:"..max_charge)
			end
			meta:set_string("infotext", "Power Radiator is powered ("..math.floor(used_charge/max_charge*100).."% of maximum power)");
			if used_charge == 0 then