"explode" all modpacks into their individual components

(you can't have a modpack buried inside a modpack)

homedecor/cobweb.lua

@@ -0,0 +1,167 @@
+minetest.register_node("homedecor:cobweb_corner", {
+	description = "Cobweb",
+	drawtype = "torchlike",
+	tiles = { "homedecor_cobweb_torchlike.png" },
+	inventory_image = "homedecor_cobweb.png",
+	wield_image = "homedecor_cobweb.png",
+	paramtype = "light",
+	paramtype2 = "wallmounted",
+	sunlight_propagates = true,
+	liquid_viscosity = 8,
+	liquidtype = "source",
+	liquid_alternative_flowing = "homedecor:cobweb_corner",
+	liquid_alternative_source = "homedecor:cobweb_corner",
+	liquid_renewable = false,
+	liquid_range = 0,
+	walkable = false,
+	selection_box = { type = "regular" },
+	visual_scale = 1.4,
+	groups = { snappy = 3, liquid=3 },
+	after_place_node = function(pos, placer, itemstack, pointed_thing)
+		homedecor.rotate_cobweb(pos)
+	end
+})
+
+minetest.register_node("homedecor:cobweb_centered", {
+	description = "Cobweb",
+	drawtype = "nodebox",
+	tiles = { "homedecor_cobweb.png" },
+	inventory_image = "homedecor_cobweb.png",
+	paramtype = "light",
+	paramtype2 = "facedir",
+	sunlight_propagates = true,
+	liquid_viscosity = 8,
+	liquidtype = "source",
+	liquid_alternative_flowing = "homedecor:cobweb_centered",
+	liquid_alternative_source = "homedecor:cobweb_centered",
+	liquid_renewable = false,
+	liquid_range = 0,
+	walkable = false,
+	selection_box = {
+		type = "fixed",
+		fixed = { -0.5, -0.5, -0.1, 0.5, 0.5, 0.1 }
+	},
+	node_box = {
+		type = "fixed",
+		fixed = { -0.5, -0.5, 0, 0.5, 0.5, 0 }
+	},
+	groups = { snappy = 3, liquid=3, not_in_creative_inventory = 1 },
+	drop = "homedecor:cobweb_corner"
+})
+
+minetest.register_node("homedecor:cobweb_flat", {
+	description = "Cobweb",
+	drawtype = "nodebox",
+	tiles = { "homedecor_cobweb.png" },
+	inventory_image = "homedecor_cobweb.png",
+	paramtype = "light",
+	paramtype2 = "facedir",
+	sunlight_propagates = true,
+	liquid_viscosity = 8,
+	liquidtype = "source",
+	liquid_alternative_flowing = "homedecor:cobweb_flat",
+	liquid_alternative_source = "homedecor:cobweb_flat",
+	liquid_renewable = false,
+	liquid_range = 0,
+	walkable = false,
+	selection_box = {
+		type = "fixed",
+		fixed = { -0.5, -0.5, 0.4, 0.5, 0.5, 0.5 }
+	},
+	node_box = {
+		type = "fixed",
+		fixed = { -0.5, -0.5, 0.495, 0.5, 0.5, 0.495 }
+	},
+	groups = { snappy = 3, liquid=3, not_in_creative_inventory = 1 },
+	drop = "homedecor:cobweb_corner"
+})
+
+minetest.register_node("homedecor:cobweb_plantlike", {
+	description = "Cobweb",
+	drawtype = "plantlike",
+	tiles = { "homedecor_cobweb_plantlike.png" },
+	inventory_image = "homedecor_cobweb.png",
+	paramtype = "light",
+	paramtype2 = "facedir",
+	sunlight_propagates = true,
+	liquid_viscosity = 8,
+	liquidtype = "source",
+	liquid_alternative_flowing = "homedecor:cobweb_plantlike",
+	liquid_alternative_source = "homedecor:cobweb_plantlike",
+	liquid_renewable = false,
+	liquid_range = 0,
+	walkable = false,
+	selection_box = { type = "regular" },
+	visual_scale = 1.189,
+	groups = { snappy = 3, liquid=3, not_in_creative_inventory = 1 },
+	drop = "homedecor:cobweb_corner"
+})
+
+-- helper function to rotate the cobweb after it's placed
+
+function homedecor.rotate_cobweb(pos)
+	local wall_xm = minetest.get_node({ x=pos.x-1, y=pos.y, z=pos.z }).name
+	local wall_xp = minetest.get_node({ x=pos.x+1, y=pos.y, z=pos.z }).name
+	local wall_zm = minetest.get_node({ x=pos.x,   y=pos.y, z=pos.z-1}).name
+	local wall_zp = minetest.get_node({ x=pos.x,   y=pos.y, z=pos.z+1}).name
+
+	local iswall_xm = (wall_xm ~= "air" and not string.find(wall_xm, "homedecor:cobweb"))
+	local iswall_xp = (wall_xp ~= "air" and not string.find(wall_xp, "homedecor:cobweb"))
+	local iswall_zm = (wall_zm ~= "air" and not string.find(wall_zm, "homedecor:cobweb"))
+	local iswall_zp = (wall_zp ~= "air" and not string.find(wall_zp, "homedecor:cobweb"))
+
+	-- only xm+zp, or only xp+zm means on-floor torchlike
+
+	if (iswall_xm and iswall_zp and not iswall_xp and not iswall_zm)
+	or (iswall_xp and iswall_zm and not iswall_xm and not iswall_zp) then
+		minetest.set_node(pos, {name = "homedecor:cobweb_corner", param2 = 1})
+
+	-- only xm+zm, or only xp+zp means on-ceiling torchlike
+
+	elseif (iswall_xm and iswall_zm and not iswall_xp and not iswall_zp)
+	or (iswall_xp and iswall_zp and not iswall_xm and not iswall_zm) then
+		minetest.set_node(pos, {name = "homedecor:cobweb_corner", param2 = 0})
+
+	-- only xm+xp means nodebox (not rotated, 0 degrees)
+
+	elseif iswall_xm and iswall_xp and not iswall_zm and not iswall_zp then
+		minetest.set_node(pos, {name = "homedecor:cobweb_centered", param2 = 0})
+
+	-- only zm+zp means nodebox rotated to 90 degrees
+
+	elseif iswall_zm and iswall_zp and not iswall_xm and not iswall_xp then
+		minetest.set_node(pos, {name = "homedecor:cobweb_centered", param2 = 1})
+
+	-- ok, there aren't any simple two-wall corners or opposing walls.
+	-- Are there any standalone walls?
+
+	elseif iswall_xm and not iswall_xp and not iswall_zm and not iswall_zp then
+		minetest.set_node(pos, {name = "homedecor:cobweb_flat", param2 = 3})
+
+	elseif iswall_xp and not iswall_xm and not iswall_zm and not iswall_zp then
+		minetest.set_node(pos, {name = "homedecor:cobweb_flat", param2 = 1})
+
+	elseif iswall_zm and not iswall_xm and not iswall_xp and not iswall_zp then
+		minetest.set_node(pos, {name = "homedecor:cobweb_flat", param2 = 2})
+
+	elseif iswall_zp and not iswall_xm and not iswall_xp and not iswall_zm then
+		minetest.set_node(pos, {name = "homedecor:cobweb_flat", param2 = 0})
+
+	-- if all else fails, place the plantlike version as a fallback.
+
+	else
+		minetest.set_node(pos, {name = "homedecor:cobweb_plantlike", param2 = 0})
+	end
+
+end
+
+-- convert existing cobwebs
+
+minetest.register_abm({
+	nodenames = { "homedecor:cobweb" },
+	interval = 1,
+	chance = 1,
+	action = function(pos, node, active_object_count, active_object_count_wider)
+		homedecor.rotate_cobweb(pos)
+	end
+})