Add enchanted hammers

src/enchanted_tools.lua

@@ -1,5 +1,7 @@
 -- Register enchanted tools.
 
+local S = minetest.get_translator("xdecor")
+
 -- Number of uses for the (normal) steel hoe from Minetest Game (as of 01/12/20224)
 -- This is technically redundant because we cannot access that number
 -- directly, but it's unlikely to change in future because Minetest Game is
@@ -9,6 +11,13 @@ local STEEL_HOE_USES = 500
 -- Modifier of the steel hoe uses for the enchanted steel hoe
 local STEEL_HOE_USES_MODIFIER = 3
 
+-- Multiplies by much faster the fast hammer repairs
+local HAMMER_FAST_MODIFIER = 1.3
+
+-- Reduces the wear taken by the hammer for a single repair step
+-- (absolute value)
+local HAMMER_DURABLE_MODIFIER = 100
+
 -- Register enchantments for default tools from Minetest Game
 local materials = {"steel", "bronze", "mese", "diamond"}
 local tooltypes = {
@@ -48,3 +57,47 @@ if farming.register_hoe then
 		durable = "farming:enchanted_hoe_steel_durable",
 	})
 end
+
+-- Register enchanted hammer (more durbility and efficiency)
+local hammerdef = minetest.registered_items["xdecor:hammer"]
+if hammerdef then
+	local hitem = ItemStack("xdecor:hammer")
+	local hdesc = hitem:get_short_description() or "xdecor:hammer"
+	local repair = hammerdef._xdecor_hammer_repair
+	local repair_cost = hammerdef._xdecor_hammer_repair_cost
+
+	-- Durable hammer (reduces wear taken by each repair step)
+	local d_repair_cost_modified = repair_cost - HAMMER_DURABLE_MODIFIER
+	local d_percent = math.round(100 - d_repair_cost_modified/repair_cost * 100)
+	local d_ehdesc, d_ehsdesc = xdecor.enchant_description(hdesc, "durable", d_percent)
+
+	xdecor.register_hammer("xdecor:enchanted_hammer_durable", {
+		description = d_ehdesc,
+		short_description = d_ehsdesc,
+		image = xdecor.enchant_texture("xdecor_hammer.png"),
+		repair_cost = d_repair_cost_modified,
+		groups = {repair_hammer = 1, not_in_creative_inventory = 1}
+	})
+
+	-- Fast hammer (increases both repair amount and repair cost per
+	-- repair step by an equal amount)
+	local f_repair_modified = math.round(repair * HAMMER_FAST_MODIFIER)
+	local repair_diff = f_repair_modified - repair
+	local f_repair_cost_modified = repair_cost + repair_diff
+	local f_percent = math.round(HAMMER_FAST_MODIFIER * 100 - 100)
+	local f_ehdesc, f_ehsdesc = xdecor.enchant_description(hdesc, "fast", f_percent)
+
+	xdecor.register_hammer("xdecor:enchanted_hammer_fast", {
+		description = f_ehdesc,
+		short_description = f_ehsdesc,
+		image = xdecor.enchant_texture("xdecor_hammer.png"),
+		repair = f_repair_modified,
+		repair_cost = f_repair_cost_modified,
+		groups = {repair_hammer = 1, not_in_creative_inventory = 1}
+	})
+
+	xdecor.register_custom_enchantable_tool("xdecor:hammer", {
+		durable = "xdecor:enchanted_hammer_durable",
+		fast = "xdecor:enchanted_hammer_fast",
+	})
+end

src/workbench.lua

@@ -7,6 +7,9 @@ local min, ceil = math.min, math.ceil
 local S = minetest.get_translator("xdecor")
 local FS = function(...) return minetest.formspec_escape(S(...)) end
 
+local DEFAULT_HAMMER_REPAIR = 500
+local DEFAULT_HAMMER_REPAIR_COST = 700
+
 
 -- Nodeboxes definitions
 workbench.defs = {
@@ -211,9 +214,11 @@ function workbench.timer(pos)
 		return
 	end
 
+	local hammerdef = hammer:get_definition()
+
 	-- Tool's wearing range: 0-65535; 0 = new condition
-	tool:add_wear(-500)
+	tool:add_wear(-hammerdef._xdecor_hammer_repair or DEFAULT_HAMMER_REPAIR)
-	hammer:add_wear(700)
+	hammer:add_wear(hammerdef._xdecor_hammer_repair_cost or DEFAULT_HAMMER_REPAIR_COST)
 
 	inv:set_stack("tool", 1, tool)
 	inv:set_stack("hammer", 1, hammer)
@@ -225,7 +230,7 @@ function workbench.allow_put(pos, listname, index, stack, player)
 	local stackname = stack:get_name()
 	if (listname == "tool" and workbench:repairable(stackname)) or
 	   (listname == "input" and workbench:cuttable(stackname)) or
-	   (listname == "hammer" and stackname == "xdecor:hammer") or
+	   (listname == "hammer" and minetest.get_item_group(stackname, "repair_hammer") == 1) or
 	    listname == "storage" then
 		return stack:get_count()
 	end
@@ -250,7 +255,7 @@ function workbench.allow_move(pos, from_list, from_index, to_list, to_index, cou
 	elseif (to_list == "hammer" and from_list == "tool") or (to_list == "tool" and from_list == "hammer") then
 		local inv = minetest.get_inventory({type="node", pos=pos})
 		local stack = inv:get_stack(from_list, from_index)
-		if stack:get_name() == "xdecor:hammer" then
+		if minetest.get_item_group(stack:get_name(), "repair_hammer") == 1 then
 			return count
 		end
 	end
@@ -463,16 +468,29 @@ function workbench:register_special_cut(nodename, cutlist)
 	special_cuts[nodename] = cutlist
 end
 
--- Craft items
+-- Register hammer
 
-minetest.register_tool("xdecor:hammer", {
+function xdecor.register_hammer(name, def)
-	description = S("Hammer"),
+	minetest.register_tool(name, {
+		description = def.description,
 		_tt_help = S("Repairs tools at the work bench"),
-	inventory_image = "xdecor_hammer.png",
+		inventory_image = def.image,
-	wield_image = "xdecor_hammer.png",
+		wield_image = def.image,
 		on_use = function() do
 			return end
-	end
+		end,
+		groups = def.groups,
+		_xdecor_hammer_repair = def.repair or DEFAULT_HAMMER_REPAIR,
+		_xdecor_hammer_repair_cost = def.repair_cost or DEFAULT_HAMMER_REPAIR_COST,
+	})
+end
+
+xdecor.register_hammer("xdecor:hammer", {
+	description = S("Hammer"),
+	image = "xdecor_hammer.png",
+	groups = { repair_hammer = 1 },
+	repair = DEFAULT_HAMMER_REPAIR,
+	repair_cost = DEFAULT_HAMMER_REPAIR_COST,
 })
 
 -- Recipes