Update the mesecons mod and dependencies

This touches a lot of the existing Mesecons mods.
Also add mesecons_wires.

mods/ITEMS/REDSTONE/mesecons_pressureplates/init.lua

@@ -1,3 +1,5 @@
+local PRESSURE_PLATE_INTERVAL = 0.04
+
 local pp_box_off = {
 	type = "fixed",
 	fixed = { -7/16, -8/16, -7/16, 7/16, -7/16, 7/16 },
@@ -8,32 +10,26 @@ local pp_box_on = {
 	fixed = { -7/16, -8/16, -7/16, 7/16, -7.5/16, 7/16 },
 }
 
-pp_on_timer = function (pos, elapsed)
-	local node   = minetest.get_node(pos)
-	local ppspec = minetest.registered_nodes[node.name].pressureplate
+local function pp_on_timer(pos, elapsed)
+	local node = minetest.get_node(pos)
+	local basename = minetest.registered_nodes[node.name].pressureplate_basename
 
 	-- This is a workaround for a strange bug that occurs when the server is started
 	-- For some reason the first time on_timer is called, the pos is wrong
-	if not ppspec then return end
+	if not basename then return end
 
 	local objs   = minetest.get_objects_inside_radius(pos, 1)
-	local two_below = mesecon:addPosRule(pos, {x = 0, y = -2, z = 0})
+	local two_below = vector.add(pos, vector.new(0, -2, 0))
 
-	if objs[1] == nil and node.name == ppspec.onstate then
-		minetest.add_node(pos, {name = ppspec.offstate})
-		mesecon:receptor_off(pos)
-		-- force deactivation of mesecon two blocks below (hacky)
-		if not mesecon:connected_to_receptor(two_below) then
-			mesecon:turnoff(two_below)
-		end
-	else
+	if objs[1] == nil and node.name == basename .. "_on" then
+		minetest.set_node(pos, {name = basename .. "_off"})
+		mesecon.receptor_off(pos, mesecon.rules.pplate)
+	elseif node.name == basename .. "_off" then
 		for k, obj in pairs(objs) do
 			local objpos = obj:getpos()
 			if objpos.y > pos.y-1 and objpos.y < pos.y then
-				minetest.add_node(pos, {name=ppspec.onstate})
-				mesecon:receptor_on(pos)
-				-- force activation of mesecon two blocks below (hacky)
-				mesecon:turnon(two_below)
+				minetest.set_node(pos, {name = basename .. "_on"})
+				mesecon.receptor_on(pos, mesecon.rules.pplate )
 			end
 		end
 	end
@@ -41,112 +37,83 @@ pp_on_timer = function (pos, elapsed)
 end
 
 -- Register a Pressure Plate
--- offstate:	name of the pressure plate when inactive
--- onstate:	name of the pressure plate when active
+-- basename:    base name of the pressure plate
 -- description:	description displayed in the player's inventory
--- tiles_off:	textures of the pressure plate when inactive
--- tiles_on:	textures of the pressure plate when active
--- image:	inventory and wield image of the pressure plate
+-- textures_off:textures of the pressure plate when inactive
+-- textures_on:	textures of the pressure plate when active
+-- image_w:	wield image of the pressure plate
+-- image_i:	inventory image of the pressure plate
 -- recipe:	crafting recipe of the pressure plate
 -- sounds:	sound table (like in minetest.register_node)
 -- plusgroups:	group memberships (attached_node=1 and not_in_creative_inventory=1 are already used)
 
-function mesecon:register_pressure_plate(offstate, onstate, description, texture_off, texture_on, recipe, sounds, plusgroups)
-	local ppspec = {
-		offstate = offstate,
-		onstate  = onstate
-	}
-
+function mesecon.register_pressure_plate(basename, description, textures_off, textures_on, image_w, image_i, recipe, sounds, plusgroups)
 	local groups_off = table.copy(plusgroups)
 	groups_off.attached_node = 1
 	groups_off.dig_by_piston = 1
-
-	minetest.register_node(offstate, {
-		drawtype = "nodebox",
-		tiles = {texture_off},
-		wield_image = texture_off,
-		wield_scale = { x=1, y=1, z=0.5 },
-		paramtype = "light",
-		sunlight_propagates = true,
-		selection_box = pp_box_off,
-		node_box = pp_box_off,
-		groups = groups_off,
-		is_ground_content = false,
-	    	description = description,
-		_doc_items_longdesc = "A pressure plate is a redstone component which supplies its surrounding blocks with redstone power while someone or something rests on top of it.",
-		pressureplate = ppspec,
-		on_timer = pp_on_timer,
-		sounds = sounds,
-		mesecons = {receptor = {
-			state = mesecon.state.off
-		}},
-		on_construct = function(pos)
-			minetest.get_node_timer(pos):start(PRESSURE_PLATE_INTERVAL)
-		end,
-		_mcl_blast_resistance = 2.5,
-		_mcl_hardness = 0.5,
-	})
-
-	local groups_on = table.copy(groups_off)
+	groups_on = table.copy(groups_off)
 	groups_on.not_in_creative_inventory = 1
 
-	minetest.register_node(onstate, {
+	mesecon.register_node(basename, {
 		drawtype = "nodebox",
-		tiles = {texture_on},
-		wield_image = texture_on,
-		wield_scale = { x=1, y=1, z=0.25 },
+		inventory_image = image_i,
+		wield_image = image_w,
 		paramtype = "light",
-		sunlight_propagates = true,
-		selection_box = pp_box_on,
-		node_box = pp_box_on,
-		groups = groups_on,
-		is_ground_content = false,
-		drop = offstate,
-		pressureplate = ppspec,
+	    	description = description,
 		on_timer = pp_on_timer,
-		sounds = sounds,
-		mesecons = {receptor = {
-			state = mesecon.state.on
-		}},
 		on_construct = function(pos)
 			minetest.get_node_timer(pos):start(PRESSURE_PLATE_INTERVAL)
 		end,
-		after_dig_node = function(pos)
-			local two_below = mesecon:addPosRule(pos, {x = 0, y = -2, z = 0})
-			if not mesecon:connected_to_receptor(two_below) then
-				mesecon:turnoff(two_below)
-			end
-		end,
+		sounds = sounds,
+
+		pressureplate_basename = basename,
 		_mcl_blast_resistance = 2.5,
 		_mcl_hardness = 0.5,
+	},{
+		node_box = pp_box_off,
+		selection_box = pp_box_off,
+		groups = groups_off,
+		tiles = textures_off,
+
+		mesecons = {receptor = { state = mesecon.state.off, rules = mesecon.rules.pplate }},
+		_doc_items_longdesc = "A pressure plate is a redstone component which supplies its surrounding blocks with redstone power while someone or something rests on top of it.",
+	},{
+		node_box = pp_box_on,
+		selection_box = pp_box_on,
+		groups = groups_on,
+		tiles = textures_on,
+
+		mesecons = {receptor = { state = mesecon.state.on, rules = mesecon.rules.pplate }},
 	})
 
 	minetest.register_craft({
-		output = offstate,
+		output = basename .. "_off",
 		recipe = recipe,
 	})
 
 	if minetest.get_modpath("doc") then
-		doc.add_entry_alias("nodes", offstate, "nodes", onstate)
+		doc.add_entry_alias("nodes", basename .. "_off", "nodes", basename .. "_on")
 	end
 end
 
-mesecon:register_pressure_plate(
-	"mesecons_pressureplates:pressure_plate_wood_off",
-	"mesecons_pressureplates:pressure_plate_wood_on",
+mesecon.register_pressure_plate(
+	"mesecons_pressureplates:pressure_plate_wood",
 	"Wooden Pressure Plate",
+	{"default_wood.png"},
+	{"default_wood.png"},
 	"default_wood.png",
-	"default_wood.png",
+	nil,
 	{{"group:wood", "group:wood"}},
 	mcl_sounds.node_sound_wood_defaults(),
 	{axey=1, material_wood=1})
 
-mesecon:register_pressure_plate(
-	"mesecons_pressureplates:pressure_plate_stone_off",
-	"mesecons_pressureplates:pressure_plate_stone_on",
+mesecon.register_pressure_plate(
+	"mesecons_pressureplates:pressure_plate_stone",
 	"Stone Pressure Plate",
+	{"default_stone.png"},
+	{"default_stone.png"},
 	"default_stone.png",
-	"default_stone.png",
+	nil,
 	{{"mcl_core:stone", "mcl_core:stone"}},
 	mcl_sounds.node_sound_stone_defaults(),
 	{pickaxey=1, material_stone=1})