mods that hopefully work for a TechAge-based pack

mods/handholds_redo/init.lua

@@ -0,0 +1,51 @@
+local modpath = minetest.get_modpath(minetest.get_current_modname())
+
+local capabilities = dofile(modpath .. "/lib/mod_capabilities.lua")
+local utility = dofile(modpath .. "/lib/utility.lua")
+dofile(modpath .. "/lib/definitions.lua")
+
+handholds = {}
+function handholds.register_pick(name, level)
+	local def = minetest.registered_tools[name]
+	if def == nil then
+		minetest.log("warning",
+			"[Handholds Redo] Climbing pick `" .. name .. "` is not a registered tool")
+		return
+	end
+	if level == nil then level = 1 end
+	local groups = def.groups
+	groups.climbing_pick = level
+	local placement_handler = def.on_place
+	minetest.override_item(name, {
+		on_place = function(...)
+			utility.place_holds(...)
+			if placement_handler ~= nil then
+				return placement_handler(...)
+			end
+		end,
+		groups = groups
+	})
+end
+
+function handholds.mark_climbable(name, level)
+	local def = minetest.registered_nodes[name]
+	if def == nil then
+		minetest.log("warning",
+			"[Handholds Redo] Climbable node `" .. name .. "` is not a registered node")
+		return
+	end
+	if level == nil then level = 1 end
+	local groups = def.groups
+	groups.handholds = level
+	minetest.override_item(name, {
+		groups = groups
+	})
+end
+
+for tool, level in pairs(capabilities.tools) do
+	handholds.register_pick(tool, level)
+end
+
+for node, level in pairs(capabilities.nodes) do
+	handholds.mark_climbable(node, level)
+end