making formspecs more systematic and upgradable

1 files changed, 57 insertions, 0 deletions

diff --git a/upgrades.lua b/upgrades.lua
new file mode 100644
index 0000000..8f0c6fb
--- /dev/null
+++ b/upgrades.lua
@@ -0,0 +1,57 @@
+-- re-applies the "_digtron_formspec" property from all digtron node defs to the digtron node's metadata.
+minetest.register_lbm({
+	name = "digtron:generic_formspec_sanitizer",
+	nodenames = {"group:digtron"},
+	action = function(pos, node)
+		local node_def = minetest.registered_nodes[node.name]
+		local meta = minetest.get_meta(pos)
+		meta:set_string("formspec", node_def._digtron_formspec)
+	end
+})
+
+minetest.register_lbm({
+	name = "digtron:sand_digger_upgrade",
+	nodenames = {"digtron:sand_digger"},
+	action = function(pos, node)
+		local meta = minetest.get_meta(pos)
+		local offset = meta:get_string("offset")
+		local period = meta:get_string("period")
+		minetest.set_node(pos, {name = "digtron:soft_digger",
+			param2 = node.param2})
+		meta:set_string("offset", offset)
+		meta:set_string("period", period)
+	end
+})
+
+minetest.register_lbm({
+	name = "digtron:fuelstore_upgrade",
+	nodenames = {"digtron:fuelstore"},
+	action = function(pos, node)
+		local meta = minetest.get_meta(pos)
+		local inv = meta:get_inventory()
+		local list = inv:get_list("main")
+		inv:set_list("main", {})
+		inv:set_list("fuel", list)		
+	end
+})
+
+minetest.register_lbm({
+	name = "digtron:autocontroller_lateral_upgrade",
+	nodenames = {"digtron:auto_controller"},
+	action = function(pos, node)
+		local meta = minetest.get_meta(pos)
+		local cycles = meta:get_int("offset")
+		meta:set_int("cycles", cycles)
+		meta:set_int("offset", 0)
+		meta:set_int("slope", 0)
+	end
+})
+
+minetest.register_lbm({
+	name = "digtron:builder_extrusion_upgrade",
+	nodenames = {"digtron:builder"},
+	action = function(pos, node)
+		local meta = minetest.get_meta(pos)
+		meta:set_int("extrusion", 1)
+	end
+})
\ No newline at end of file