Implement scanners and add way to use them in Miner

init.lua

@@ -86,6 +86,7 @@ dofile(modpath.."/tools/jetpack.lua")
 dofile(modpath.."/tools/mining_laser.lua")
 dofile(modpath.."/tools/nano_suit.lua")
 dofile(modpath.."/tools/power_storage.lua")
+dofile(modpath.."/tools/scanner.lua")
 dofile(modpath.."/tools/solar_helmet.lua")
 dofile(modpath.."/tools/static_boots.lua")
 dofile(modpath.."/tools/treetap.lua")

machines/miner.lua

@@ -152,7 +152,8 @@ industrialtest.internal.unpackTableInto(industrialtest.Miner,{
 	capacity=5000,
 	ioConfig="iiiiii",
 	hasPowerInput=true,
-	_opPower=1000
+	_opPower=1000,
+	_scannerOpPower=10
 })
 
 function industrialtest.Miner.onConstruct(self,pos)
@@ -212,7 +213,8 @@ function industrialtest.Miner.canUpdate(self,pos)
 	local drillSlot=inv:get_stack("drill",1)
 	local srcSlot=inv:get_stack("src",1)
 	local level=meta:get_int("level")
-	return meta:get_int("industrialtest.powerAmount")>=self._opPower and not drillSlot:is_empty() and not srcSlot:is_empty() and
+	local requiredPower=self:getRequiredPower(pos)
+	return meta:get_int("industrialtest.powerAmount")>=requiredPower and not drillSlot:is_empty() and not srcSlot:is_empty() and
 		self:canContinue(pos,level)
 end
 
@@ -284,8 +286,25 @@ function industrialtest.Miner.update(self,pos,elapsed,meta,inv)
 	local drop=self.getNodeDrop(targetPos)
 	self.placeMiningPipe(pos,targetPos)
 	inv:add_item("dst",drop)
+
+	local scannerSlot=inv:get_stack("scanner",1)
+	if not scannerSlot:is_empty() then
+		local def=scannerSlot:get_definition()
+		if def and def._industrialtest_self then
+			local filtered=def._industrialtest_self:filter(targetPos)
+			for _,filteredPos in ipairs(filtered) do
+				drop=self.getNodeDrop(filteredPos)
+				if inv:room_for_item("dst",drop) then
+					minetest.remove_node(filteredPos)
+					inv:add_item("dst",drop)
+				end
+			end
+		end
+	end
+
+	local requiredPower=self:getRequiredPower(pos)
 	meta:set_int("level",level-1)
-	industrialtest.api.addPower(meta,-self._opPower)
+	industrialtest.api.addPower(meta,-requiredPower)
 
 	return true,true
 end
@@ -324,6 +343,21 @@ function industrialtest.Miner.canContinue(self,pos,level)
 	return not (def and def.groups and def.groups.unbreakable) and inv:room_for_item("dst",drop)
 end
 
+function industrialtest.Miner.getRequiredPower(self,pos)
+	local meta=minetest.get_meta(pos)
+	local inv=meta:get_inventory()
+	local scannerSlot=inv:get_stack("scanner",1)
+	local result=self._opPower
+	if not scannerSlot:is_empty() then
+		local def=scannerSlot:get_definition()
+		if def and def._industrialtest_self then
+			local distance=def._industrialtest_self.minerDistance or 0
+			result=result+(distance*distance-1)*self._scannerOpPower
+		end
+	end
+	return result
+end
+
 function industrialtest.Miner.getNodeDrop(pos)
 	local node=minetest.get_node(pos)
 	local def=minetest.registered_nodes[node.name]

tools/scanner.lua

@@ -0,0 +1,152 @@
+-- IndustrialTest
+-- Copyright (C) 2025 mrkubax10
+
+-- This program is free software: you can redistribute it and/or modify
+-- it under the terms of the GNU General Public License as published by
+-- the Free Software Foundation, either version 3 of the License, or
+-- (at your option) any later version.
+
+-- This program is distributed in the hope that it will be useful,
+-- but WITHOUT ANY WARRANTY; without even the implied warranty of
+-- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+-- GNU General Public License for more details.
+
+-- You should have received a copy of the GNU General Public License
+-- along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+local S=minetest.get_translator("industrialtest")
+
+industrialtest.Scanner=table.copy(industrialtest.ElectricTool)
+industrialtest.internal.unpackTableInto(industrialtest.Scanner,{
+	define={onUse=true}
+})
+
+function industrialtest.Scanner.createDefinitionTable(self)
+	local def=industrialtest.ElectricTool.createDefinitionTable(self)
+	def.groups._industrialtest_scanner=1
+	return def
+end
+
+-- Used by Miner to provide Scanner functionality there
+function industrialtest.Scanner.filter(self,pos)
+	-- dummy function
+	return {}
+end
+
+industrialtest.OreScanner=table.copy(industrialtest.Scanner)
+
+function industrialtest.OreScanner.hitUse(self,itemstack,user,pointed)
+	if not user:is_player() then
+		return false
+	end
+
+	local positions=""
+	local pos=user:get_pos()
+	for x=pos.x-self.distance,pos.x+self.distance do
+		for y=pos.y-self.distance,pos.y+self.distance do
+			for z=pos.z-self.distance,pos.z+self.distance do
+				local targetPos=vector.new(x,y,z)
+				local node=minetest.get_node(targetPos)
+				if self.isOre(node) then
+					positions=positions..string.format("%d %d %d",x,y,z)
+					positions=positions..","
+				end
+			end
+		end
+	end
+
+	local formspec={
+		"formspec_version[4]",
+		"size[10.5,11]",
+		"label[0.5,0.5;"..self.description.."]",
+		"label[0.5,1.7;"..S("Found ores").."]",
+		"textlist[0.5,1.9;9.5,8.6;pos;"..positions.."]"
+	}
+	local content=table.concat(formspec,"")
+	minetest.show_formspec(user:get_player_name(),"industrialtest:scanner",content)
+
+	return true
+end
+
+function industrialtest.OreScanner.filter(self,pos)
+	local result={}
+	for x=pos.x-self.minerDistance,pos.x+self.minerDistance do
+		for z=pos.z-self.minerDistance,pos.z+self.minerDistance do
+			local nodePos=vector.new(x,pos.y,z)
+			local node=minetest.get_node(nodePos)
+			-- This is very hacky, but currently there is no other way of determining if node is ore
+			if (x~=pos.x or z~=pos.z) and self.isOre(node) then
+				table.insert(result,nodePos)
+			end
+		end
+	end
+	return result
+end
+
+function industrialtest.OreScanner.isOre(node)
+	return string.find(node.name,":stone_with_")
+end
+
+industrialtest.ODScanner=table.copy(industrialtest.OreScanner)
+industrialtest.internal.unpackTableInto(industrialtest.ODScanner,{
+	name="industrialtest:od_scanner",
+	description=S("OD Scanner"),
+	inventoryImage="industrialtest_od_scanner.png",
+	capacity=100000,
+	flow=industrialtest.api.lvPowerFlow,
+	distance=7,
+	minerDistance=3
+})
+
+function industrialtest.ODScanner.getOpPower(self,itemstack)
+	return 700
+end
+
+industrialtest.ODScanner:register()
+
+minetest.register_craft({
+	type="shaped",
+	output="industrialtest:od_scanner",
+	recipe={
+		{"",industrialtest.elementKeys.yellowDust,""},
+		{"industrialtest:electronic_circuit","industrialtest:re_battery","industrialtest:electronic_circuit"},
+		{"industrialtest:insulated_copper_cable","industrialtest:insulated_copper_cable","industrialtest:insulated_copper_cable"}
+	}
+})
+
+industrialtest.OVScanner=table.copy(industrialtest.OreScanner)
+industrialtest.internal.unpackTableInto(industrialtest.OVScanner,{
+	name="industrialtest:ov_scanner",
+	description=S("OV Scanner"),
+	inventoryImage="industrialtest_ov_scanner.png",
+	capacity=1000000,
+	flow=industrialtest.api.mvPowerFlow,
+	distance=11,
+	minerDistance=5
+})
+
+function industrialtest.OVScanner.getOpPower(self,itemstack)
+	return 7000
+end
+
+industrialtest.OVScanner:register()
+
+minetest.register_craft({
+	type="shaped",
+	output="industrialtest:ov_scanner",
+	recipe={
+		{"",industrialtest.elementKeys.yellowDust,""},
+		{industrialtest.elementKeys.yellowDust,"industrialtest:electronic_circuit",industrialtest.elementKeys.yellowDust},
+		{"industrialtest:insulated_gold_cable","industrialtest:od_scanner","industrialtest:insulated_gold_cable"}
+	}
+})
+
+minetest.register_craft({
+	type="shaped",
+	output="industrialtest:ov_scanner",
+	recipe={
+		{"",industrialtest.elementKeys.yellowDust,""},
+		{industrialtest.elementKeys.yellowDust,"industrialtest:electronic_circuit",industrialtest.elementKeys.yellowDust},
+		{"industrialtest:insulated_gold_cable","industrialtest:re_battery","industrialtest:insulated_gold_cable"}
+	}
+})