cornernote changes (see notes)

uses nodeboxes instead of raillike to allow hatch at the top of the
node, opening inwards (like doors) which means you can walk over them
removed global minetest.register_on_punchnode and replaced with an
on_punch in the node definition

init.lua

@@ -1,88 +1,83 @@
-
 -- Local constants
--- This _has_ to be set to 1
-local HATCH_OPENED = 1
+-- This _has_ to be set to 2
+local HATCH_OPENED = 2
 -- This has to be != from HATCH_OPENED and is coded on 4 bits
-local HATCH_CLOSED = 0
+local HATCH_CLOSED = 1
 
 -- Local Functions
 local on_hatch_punched = function(pos, node, puncher)
-	if (node.name ~= 'hatches:hatch_closed')
-		and (node.name ~= 'hatches:hatch_opened') then
-		return
-	end
-	local state = node.param2
+    if (node.name ~= 'hatches:hatch_closed')
+        and (node.name ~= 'hatches:hatch_opened') then
+        return
+    end
+    local state = node.param2
 
-	-- Switch the hatch state when hit
-	if state == HATCH_OPENED then
-		node.name = 'hatches:hatch_closed'
-		node.param2 = HATCH_CLOSED
-	elseif state == HATCH_CLOSED then
-		node.name = 'hatches:hatch_opened'
-		node.param2 = HATCH_OPENED
-	else
-		print('Uninitialized node: ' .. state)
-	end
+    -- Switch the hatch state when hit
+    if state == HATCH_OPENED then
+        node.name = 'hatches:hatch_closed'
+        node.param2 = HATCH_CLOSED
+    else
+        node.name = 'hatches:hatch_opened'
+        node.param2 = HATCH_OPENED
+    end
 
-	minetest.env:add_node(pos, {
-		name = node.name,
-		param2 = node.param2,
-	})
-end
-
-local on_hatch_placed = function(pos, node, placer)
-	if node.name ~= 'hatches:hatch_opened' then
-		return
-	end
-
-	minetest.env:add_node(pos, {
-		name = node.name,
-		param2 = HATCH_OPENED,
-	})
+    minetest.env:add_node(pos, {
+        name = node.name,
+        param2 = node.param2,
+    })
 end
 
 -- Nodes
 -- As long as param2 is set to 1 for open hatches, it doesn't matter to
 -- use drawtype = 'signlike'
 minetest.register_node('hatches:hatch_opened', {
-	drawtype = 'signlike',
-	tile_images = {'hatch.png'},
-	inventory_image = 'hatch.png',
-	sunlight_propagates = true,
-	paramtype = 'light',
-	walkable = false,
-	climbable = true,
-	selection_box = {
-		type = "wallmounted",
-	},
-	material = minetest.digprop_constanttime(1.0),
-	dug_item = 'NodeItem "hatches:hatch_closed" 1',
+    drawtype = 'signlike',
+    tile_images = {'hatch.png'},
+    inventory_image = 'hatch.png',
+    sunlight_propagates = true,
+    paramtype = 'light',
+    paramtype2 = "wallmounted",
+    legacy_wallmounted = true,
+    walkable = false,
+    climbable = true,
+    selection_box = {
+        type = "wallmounted",
+    },
+    drop = 'hatches:hatch_closed',
+    on_punch = on_hatch_punched,
+    groups = { choppy=2, dig_immediate=2 },
 })
 
 minetest.register_node('hatches:hatch_closed', {
-	drawtype = 'raillike',
-	tile_images = {'hatch.png'},
-	inventory_image = 'hatch.png',
-	sunlight_propagates = true,
-	paramtype = 'light',
-	walkable = true,
-	selection_box = {
-		type = "fixed",
-		fixed = {-1/2, -1/2, -1/2, 1/2, -2/5, 1/2},
-	},
-	material = minetest.digprop_constanttime(1.0),
+    description = "Hatch",
+    drawtype = 'nodebox',
+    tile_images = {'hatch.png'},
+    inventory_image = 'hatch.png',
+    wield_image = "hatch.png",
+    paramtype = 'light',
+    is_ground_content = true,
+    walkable = true,
+    node_box = {
+        type = "fixed",
+        fixed = {-1/2, 2/5, -1/2, 1/2, 1/2, 1/2},
+    },
+    selection_box = {
+        type = "fixed",
+        fixed = {-1/2, 2/5, -1/2, 1/2, 1/2, 1/2},
+    },
+    on_punch = on_hatch_punched,
+    groups = { choppy=2, dig_immediate=2 },
 })
 
 -- Crafts
 minetest.register_craft({
-	output = 'NodeItem "hatches:hatch_closed" 2',
-	recipe = {
-		{'node "default:wood" 1', 'node "default:wood" 1', 'node "default:wood" 1'},
-		{'node "default:wood" 1', 'node "default:wood" 1', 'node "default:wood" 1'},
-	},
+    output = 'hatches:hatch_closed 2',
+    recipe = {
+        {'default:wood 1', 'default:wood 1', 'default:wood 1'},
+        {'default:wood 1', 'default:wood 1', 'default:wood 1'},
+    },
 })
 
--- Change the hatch state
-minetest.register_on_punchnode(on_hatch_punched)
--- Reset param2 for open hatches
-minetest.register_on_placenode(on_hatch_placed)
+-- Mesecon Stuff:
+mesecon:register_on_signal_on(on_hatch_punched)
+mesecon:register_on_signal_off(on_hatch_punched)