Added additional autoplace code for wall lights to turn them into ceiling

lights where appropriate.  Added a number of alternate crafting recipes to
split thick wall lights into thin regular ones or into cubes, and to recycle
excess cubes.

crafts.lua

@@ -1177,6 +1177,13 @@ minetest.register_craft({
 	}
 })
 
+minetest.register_craft({
+        output = "homedecor:glowlight_thin_yellow 6",
+        recipe = {
+		{"homedecor:glowlight_thick_yellow_wall", "homedecor:glowlight_thick_yellow_wall", "homedecor:glowlight_thick_yellow_wall" },
+	}
+})
+
 minetest.register_craft({
         output = "homedecor:glowlight_small_cube_yellow 16",
         recipe = {
@@ -1185,6 +1192,20 @@ minetest.register_craft({
 	}
 })
 
+minetest.register_craft({
+        output = "homedecor:glowlight_small_cube_yellow 4",
+        recipe = {
+		{"homedecor:glowlight_thick_yellow" },
+	}
+})
+
+minetest.register_craft({
+        output = "homedecor:glowlight_small_cube_yellow 4",
+        recipe = {
+		{"homedecor:glowlight_thick_yellow_wall" },
+	}
+})
+
 minetest.register_craft({
         output = "homedecor:glowlight_thick_yellow",
         recipe = {
@@ -1193,6 +1214,14 @@ minetest.register_craft({
 	}
 })
 
+minetest.register_craft({
+        output = "homedecor:glowlight_thick_yellow",
+        recipe = {
+		{"homedecor:glowlight_small_cube_yellow_ceiling","homedecor:glowlight_small_cube_yellow_ceiling"},
+		{"homedecor:glowlight_small_cube_yellow_ceiling","homedecor:glowlight_small_cube_yellow_ceiling"}
+	}
+})
+
 -- white
 
 minetest.register_craft({
@@ -1220,6 +1249,13 @@ minetest.register_craft({
 	}
 })
 
+minetest.register_craft({
+        output = "homedecor:glowlight_thin_white 6",
+        recipe = {
+		{"homedecor:glowlight_thick_white_wall", "homedecor:glowlight_thick_white_wall", "homedecor:glowlight_thick_white_wall" },
+	}
+})
+
 minetest.register_craft({
         output = "homedecor:glowlight_small_cube_white 8",
         recipe = {
@@ -1228,6 +1264,20 @@ minetest.register_craft({
 	}
 })
 
+minetest.register_craft({
+        output = "homedecor:glowlight_small_cube_white 4",
+        recipe = {
+		{"homedecor:glowlight_thick_white" },
+	}
+})
+
+minetest.register_craft({
+        output = "homedecor:glowlight_small_cube_white 4",
+        recipe = {
+		{"homedecor:glowlight_thick_white_wall" },
+	}
+})
+
 minetest.register_craft({
         output = "homedecor:glowlight_thick_white",
         recipe = {

lighting.lua

@@ -93,6 +93,32 @@ minetest.register_node('homedecor:glowlight_thick_yellow_wall', {
 	groups = { snappy = 3, not_in_creative_inventory=1 },
 	light_source = LIGHT_MAX,
 	sounds = default.node_sound_wood_defaults(),
+	on_place = function(itemstack, placer, pointed_thing)
+
+		local node = minetest.env:get_node(pointed_thing.under)
+		if not minetest.registered_nodes[node.name] or not minetest.registered_nodes[node.name].on_rightclick then
+
+			local above = pointed_thing.above
+			local under = pointed_thing.under
+			local pitch = placer:get_look_pitch()
+			local node = minetest.env:get_node(above)
+
+			if node.name ~= "air" then return end
+
+			if above.x ~= under.x or above.z ~= under.z then 
+				local fdir = minetest.dir_to_facedir(placer:get_look_dir())
+				minetest.env:add_node(above, {name = 'homedecor:glowlight_thick_yellow_wall', param2 = fdir})
+			else
+				minetest.env:add_node(above, {name = 'homedecor:glowlight_thick_yellow'})
+			end
+			if not minetest.setting_getbool("creative_mode") then
+				itemstack:take_item()
+			end
+			return minetest.item_place_node(itemstack, placer, pointed_thing)
+		else
+			minetest.registered_nodes[node.name].on_rightclick(pointed_thing.under, node, placer)
+		end
+	end,
 	drop = 'homedecor:glowlight_thick_yellow'
 })
 
@@ -176,6 +202,32 @@ minetest.register_node('homedecor:glowlight_thin_yellow_wall', {
 	groups = { snappy = 3, not_in_creative_inventory=1 },
 	light_source = LIGHT_MAX-1,
 	sounds = default.node_sound_wood_defaults(),
+	on_place = function(itemstack, placer, pointed_thing)
+
+		local node = minetest.env:get_node(pointed_thing.under)
+		if not minetest.registered_nodes[node.name] or not minetest.registered_nodes[node.name].on_rightclick then
+
+			local above = pointed_thing.above
+			local under = pointed_thing.under
+			local pitch = placer:get_look_pitch()
+			local node = minetest.env:get_node(above)
+
+			if node.name ~= "air" then return end
+
+			if above.x ~= under.x or above.z ~= under.z then 
+				local fdir = minetest.dir_to_facedir(placer:get_look_dir())
+				minetest.env:add_node(above, {name = 'homedecor:glowlight_thin_yellow_wall', param2 = fdir})
+			else
+				minetest.env:add_node(above, {name = 'homedecor:glowlight_thin_yellow'})
+			end
+			if not minetest.setting_getbool("creative_mode") then
+				itemstack:take_item()
+			end
+			return minetest.item_place_node(itemstack, placer, pointed_thing)
+		else
+			minetest.registered_nodes[node.name].on_rightclick(pointed_thing.under, node, placer)
+		end
+	end,
 	drop = 'homedecor:glowlight_thin_yellow'
 })
 
@@ -231,8 +283,6 @@ minetest.register_node('homedecor:glowlight_small_cube_yellow', {
 			minetest.registered_nodes[node.name].on_rightclick(pointed_thing.under, node, placer)
 		end
 	end
-
-
 })
 
 minetest.register_node('homedecor:glowlight_small_cube_yellow_ceiling', {
@@ -261,6 +311,31 @@ minetest.register_node('homedecor:glowlight_small_cube_yellow_ceiling', {
 	groups = { snappy = 3, not_in_creative_inventory=1 },
 	light_source = LIGHT_MAX-1,
 	sounds = default.node_sound_wood_defaults(),
+	on_place = function(itemstack, placer, pointed_thing)
+
+		local node = minetest.env:get_node(pointed_thing.under)
+		if not minetest.registered_nodes[node.name] or not minetest.registered_nodes[node.name].on_rightclick then
+
+			local above = pointed_thing.above
+			local under = pointed_thing.under
+			local pitch = placer:get_look_pitch()
+			local node = minetest.env:get_node(above)
+
+			if node.name ~= "air" then return end
+
+			if above.x == under.x and above.z == under.z and pitch > 0 then
+				minetest.env:add_node(above, {name = 'homedecor:glowlight_small_cube_white_ceiling'})
+			else
+				minetest.env:add_node(above, {name = 'homedecor:glowlight_small_cube_white'})
+			end
+			if not minetest.setting_getbool("creative_mode") then
+				itemstack:take_item()
+			end
+			return minetest.item_place_node(itemstack, placer, pointed_thing)
+		else
+			minetest.registered_nodes[node.name].on_rightclick(pointed_thing.under, node, placer)
+		end
+	end,
 	drop = "homedecor:glowlight_small_cube_yellow",
 })
 
@@ -346,6 +421,32 @@ minetest.register_node('homedecor:glowlight_thick_white_wall', {
 	groups = { snappy = 3, not_in_creative_inventory=1 },
 	light_source = LIGHT_MAX,
 	sounds = default.node_sound_wood_defaults(),
+	on_place = function(itemstack, placer, pointed_thing)
+
+		local node = minetest.env:get_node(pointed_thing.under)
+		if not minetest.registered_nodes[node.name] or not minetest.registered_nodes[node.name].on_rightclick then
+
+			local above = pointed_thing.above
+			local under = pointed_thing.under
+			local pitch = placer:get_look_pitch()
+			local node = minetest.env:get_node(above)
+
+			if node.name ~= "air" then return end
+
+			if above.x ~= under.x or above.z ~= under.z then 
+				local fdir = minetest.dir_to_facedir(placer:get_look_dir())
+				minetest.env:add_node(above, {name = 'homedecor:glowlight_thick_white_wall', param2 = fdir})
+			else
+				minetest.env:add_node(above, {name = 'homedecor:glowlight_thick_white'})
+			end
+			if not minetest.setting_getbool("creative_mode") then
+				itemstack:take_item()
+			end
+			return minetest.item_place_node(itemstack, placer, pointed_thing)
+		else
+			minetest.registered_nodes[node.name].on_rightclick(pointed_thing.under, node, placer)
+		end
+	end,
 	drop = 'homedecor:glowlight_thick_white'
 })
 
@@ -429,6 +530,32 @@ minetest.register_node('homedecor:glowlight_thin_white_wall', {
 	groups = { snappy = 3, not_in_creative_inventory=1 },
 	light_source = LIGHT_MAX-1,
 	sounds = default.node_sound_wood_defaults(),
+	on_place = function(itemstack, placer, pointed_thing)
+
+		local node = minetest.env:get_node(pointed_thing.under)
+		if not minetest.registered_nodes[node.name] or not minetest.registered_nodes[node.name].on_rightclick then
+
+			local above = pointed_thing.above
+			local under = pointed_thing.under
+			local pitch = placer:get_look_pitch()
+			local node = minetest.env:get_node(above)
+
+			if node.name ~= "air" then return end
+
+			if above.x ~= under.x or above.z ~= under.z then 
+				local fdir = minetest.dir_to_facedir(placer:get_look_dir())
+				minetest.env:add_node(above, {name = 'homedecor:glowlight_thin_white_wall', param2 = fdir})
+			else
+				minetest.env:add_node(above, {name = 'homedecor:glowlight_thin_white'})
+			end
+			if not minetest.setting_getbool("creative_mode") then
+				itemstack:take_item()
+			end
+			return minetest.item_place_node(itemstack, placer, pointed_thing)
+		else
+			minetest.registered_nodes[node.name].on_rightclick(pointed_thing.under, node, placer)
+		end
+	end,
 	drop = 'homedecor:glowlight_thin_white'
 })
 
@@ -511,5 +638,30 @@ minetest.register_node('homedecor:glowlight_small_cube_white_ceiling', {
 	groups = { snappy = 3, not_in_creative_inventory=1 },
 	light_source = LIGHT_MAX-1,
 	sounds = default.node_sound_wood_defaults(),
+	on_place = function(itemstack, placer, pointed_thing)
+
+		local node = minetest.env:get_node(pointed_thing.under)
+		if not minetest.registered_nodes[node.name] or not minetest.registered_nodes[node.name].on_rightclick then
+
+			local above = pointed_thing.above
+			local under = pointed_thing.under
+			local pitch = placer:get_look_pitch()
+			local node = minetest.env:get_node(above)
+
+			if node.name ~= "air" then return end
+
+			if above.x == under.x and above.z == under.z and pitch > 0 then
+				minetest.env:add_node(above, {name = 'homedecor:glowlight_small_cube_white_ceiling'})
+			else
+				minetest.env:add_node(above, {name = 'homedecor:glowlight_small_cube_white'})
+			end
+			if not minetest.setting_getbool("creative_mode") then
+				itemstack:take_item()
+			end
+			return minetest.item_place_node(itemstack, placer, pointed_thing)
+		else
+			minetest.registered_nodes[node.name].on_rightclick(pointed_thing.under, node, placer)
+		end
+	end,
 	drop = "homedecor:glowlight_small_cube_white",
 })