From 6731db14e580ddccace186f5a8ac03dad0661e0c Mon Sep 17 00:00:00 2001
From: Gábriel <38207624+gabriel1379@users.noreply.github.com>
Date: Sun, 07 Jul 2024 18:53:15 +0200
Subject: [PATCH] Add compressor recipes for nether racks (#644)

---
 technic/tools/prospector.lua |   41 +++++++++++++++++++++--------------------
 1 files changed, 21 insertions(+), 20 deletions(-)

diff --git a/technic/tools/prospector.lua b/technic/tools/prospector.lua
index b9bd039..14e518c 100644
--- a/technic/tools/prospector.lua
+++ b/technic/tools/prospector.lua
@@ -2,14 +2,16 @@
 
 technic.register_power_tool("technic:prospector", 300000)
 
-local function get_metadata(toolstack)
-	local m = minetest.deserialize(toolstack:get_metadata())
-	if not m then m = {} end
-	if not m.charge then m.charge = 0 end
-	if not m.target then m.target = "" end
-	if not m.look_depth then m.look_depth = 7 end
-	if not m.look_radius then m.look_radius = 1 end
-	return m
+-- Helper function to consolidate ItemStackMetaRef access and initialize
+local function meta_to_table(meta)
+	local t = {}
+	local mt = meta:to_table()
+
+	t.charge = tonumber(mt.fields["technic:charge"]) or 0
+	t.target = mt.fields.target or ""
+	t.look_depth = tonumber(mt.fields.look_depth) or 7
+	t.look_radius = tonumber(mt.fields.look_radius) or 1
+	return t
 end
 
 minetest.register_tool("technic:prospector", {
@@ -20,7 +22,8 @@
 	on_use = function(toolstack, user, pointed_thing)
 		if not user or not user:is_player() or user.is_fake_player then return end
 		if pointed_thing.type ~= "node" then return end
-		local toolmeta = get_metadata(toolstack)
+		local meta = technic.get_stack_meta(toolstack)
+		local toolmeta = meta_to_table(meta)
 		local look_diameter = toolmeta.look_radius * 2 + 1
 		local charge_to_take = toolmeta.look_depth * (toolmeta.look_depth + 1) * look_diameter * look_diameter
 		if toolmeta.charge < charge_to_take then return end
@@ -30,7 +33,7 @@
 		end
 		if not technic.creative_mode then
 			toolmeta.charge = toolmeta.charge - charge_to_take
-			toolstack:set_metadata(minetest.serialize(toolmeta))
+			meta:set_int("technic:charge", toolmeta.charge)
 			technic.set_RE_wear(toolstack, toolmeta.charge, technic.power_tools[toolstack:get_name()])
 		end
 		-- What in the heaven's name is this evil sorcery ?
@@ -77,7 +80,8 @@
 	end,
 	on_place = function(toolstack, user, pointed_thing)
 		if not user or not user:is_player() or user.is_fake_player then return end
-		local toolmeta = get_metadata(toolstack)
+		local meta = technic.get_stack_meta(toolstack)
+		local toolmeta = meta_to_table(meta)
 		local pointed
 		if pointed_thing.type == "node" then
 			local pname = minetest.get_node(pointed_thing.under).name
@@ -125,19 +129,16 @@
 	if not user or not user:is_player() or user.is_fake_player then return end
 	local toolstack = user:get_wielded_item()
 	if toolstack:get_name() ~= "technic:prospector" then return true end
-	local toolmeta = get_metadata(toolstack)
+	local meta = technic.get_stack_meta(toolstack)
 	for field, value in pairs(fields) do
 		if field:sub(1, 7) == "target_" then
-			toolmeta.target = field:sub(8)
-		end
-		if field:sub(1, 12) == "look_radius_" then
-			toolmeta.look_radius = field:sub(13)
-		end
-		if field:sub(1, 11) == "look_depth_" then
-			toolmeta.look_depth = field:sub(12)
+			meta:set_string("target", field:sub(8))
+		elseif field:sub(1, 12) == "look_radius_" then
+			meta:set_string("look_radius", field:sub(13))
+		elseif field:sub(1, 11) == "look_depth_" then
+			meta:set_string("look_depth", field:sub(12))
 		end
 	end
-	toolstack:set_metadata(minetest.serialize(toolmeta))
 	user:set_wielded_item(toolstack)
 	return true
 end)

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