From 6c62b8d4a37e6a711d89739ba0074fbcc675b233 Mon Sep 17 00:00:00 2001
From: mrkubax10 <mrkubax10>
Date: Wed, 1 Mar 2023 15:05:34 +0200
Subject: [PATCH] Don't destroy generator that has items inside

---
 machines.lua | 57 +++++++++++++++++++++++++++++++++++++++-------------
 1 file changed, 43 insertions(+), 14 deletions(-)

diff --git a/machines.lua b/machines.lua
index 9f14b90..791eba5 100644
--- a/machines.lua
+++ b/machines.lua
@@ -32,6 +32,21 @@ local function generatorFormspec(fuelPercent)
 	}
 	return table.concat(formspec,"")
 end
+local function generatorMclAfterDigNode(pos,oldnode,oldmeta,digger)
+	-- Taken from https://git.minetest.land/MineClone2/MineClone2/src/branch/master/mods/ITEMS/mcl_furnaces/init.lua#L538
+	local meta=minetest.get_meta(pos)
+	local meta2=meta
+	meta:from_table(oldmeta)
+	local inv=meta:get_inventory()
+	for _,listname in ipairs({"src", "dst", "fuel"}) do
+		local stack=inv:get_stack(listname,1)
+		if not stack:is_empty() then
+			local p = {x=pos.x+math.random(0, 10)/10-0.5, y=pos.y, z=pos.z+math.random(0, 10)/10-0.5}
+			minetest.add_item(p, stack)
+		end
+	end
+	meta:from_table(meta2:to_table())
+end
 local definition={	
 	description=S("Generator"),
 	tiles={"industrialtest_iron_furnace.png"},
@@ -51,18 +66,22 @@ local definition={
 		local fuelTime=meta:get_int("fuelTime")
 		local fuelList=inv:get_list("fuel")
 		local chargedList=inv:get_list("charged")
-		if fuelTime==0 and not industrialtest.api.isFullyCharged(meta) then
-			local fuel,after=minetest.get_craft_result({
-				method="fuel",
-				width=1,
-				items=fuelList
-			})
-			if fuel.time>0 then
-				inv:set_stack("fuel",1,after.items[1])
-				fuelTime=fuel.time
-				meta:set_int("maxFuelTime",fuelTime)
-			else
-				return false
+		if industrialtest.api.isFullyCharged(meta) then
+			return false
+		else
+			if fuelTime==0 then
+				local fuel,after=minetest.get_craft_result({
+					method="fuel",
+					width=1,
+					items=fuelList
+				})
+				if fuel.time>0 then
+					inv:set_stack("fuel",1,after.items[1])
+					fuelTime=fuel.time
+					meta:set_int("maxFuelTime",fuelTime)
+				else
+					return false
+				end
 			end
 		end
 		fuelTime=fuelTime-elapsed
@@ -72,9 +91,10 @@ local definition={
 		meta:set_int("fuelTime",fuelTime)
 		meta:set_string("formspec",generatorFormspec(fuelTime/meta:get_int("maxFuelTime")*100))
 		industrialtest.api.addPower(meta,100)
-		if fuelTime>0 then
+		if fuelTime>0 or fuelList[1]:get_count()>0 then
 			return true
 		end
+		return false
 	end,
 	allow_metadata_inventory_put=function(pos,listname,index,stack,player)
 		if listname=="charged" and not industrialtest.api.hasPowerStorage(stack:get_meta()) then
@@ -90,7 +110,16 @@ local definition={
 	end
 }
 if industrialtest.mtgAvailable then
-	definition.groups={cracky=1}
+	definition.groups={cracky=2}
 	definition.sounds=default.node_sound_metal_defaults()
+	definition.can_dig=function(pos)
+		local meta=minetest.get_meta(pos)
+		local inv=meta:get_inventory()
+		return not (inv:get_list("charged")[1]:get_count()>0 or inv:get_list("fuel")[1]:get_count()>0)
+	end
+elseif industrialtest.mclAvailable then
+	definition.after_dig_node=generatorMclAfterDigNode
+	definition._mcl_blast_resistance=3.5
+	definition._mcl_hardness=3.9
 end
 minetest.register_node("industrialtest:generator",definition)