From dc0689018d27a68ae2987194285558b3add09be2 Mon Sep 17 00:00:00 2001
From: Vanessa Dannenberg <vanessa.e.dannenberg@gmail.com>
Date: Sun, 25 Nov 2018 16:10:23 +0100
Subject: [PATCH] move CNC machine into its own mod

---
 technic/tools/flashlight.lua |  221 +++++++++++++++++++++----------------------------------
 1 files changed, 85 insertions(+), 136 deletions(-)

diff --git a/technic/tools/flashlight.lua b/technic/tools/flashlight.lua
index 5f3ea96..252dc8c 100644
--- a/technic/tools/flashlight.lua
+++ b/technic/tools/flashlight.lua
@@ -1,174 +1,123 @@
--- original code comes from walkin_light mod by Echo http://minetest.net/forum/viewtopic.php?id=2621
+-- Original code comes from walkin_light mod by Echo
+-- http://minetest.net/forum/viewtopic.php?id=2621
 
-local flashlight_max_charge=30000
-technic.register_LV_power_tool ("technic:flashlight",flashlight_max_charge)
+local flashlight_max_charge = 30000
+
+local S = technic.getter
+
+technic.register_power_tool("technic:flashlight", flashlight_max_charge)
+
+minetest.register_alias("technic:light_off", "air")
       
 minetest.register_tool("technic:flashlight", {
-	description = "Flashlight",
+	description = S("Flashlight"),
 	inventory_image = "technic_flashlight.png",
 	stack_max = 1,
-	on_use = function(itemstack, user, pointed_thing)
-	end,
-	})
- 
+	wear_represents = "technic_RE_charge",
+	on_refill = technic.refill_RE_charge,
+})
+
 minetest.register_craft({
-output = "technic:flashlight",
-recipe = {
-	{"technic:rubber","glass","technic:rubber"},
-	{"technic:stainless_steel_ingot","technic:battery","technic:stainless_steel_ingot"},
-	{"","technic:battery",""}
+	output = "technic:flashlight",
+	recipe = {
+		{"technic:rubber",                "default:glass",   "technic:rubber"},
+		{"technic:stainless_steel_ingot", "technic:battery", "technic:stainless_steel_ingot"},
+		{"",                              "technic:battery", ""}
 	}
 })
 
-local players = {}
-local player_positions = {}
-local last_wielded = {}
 
-function round(num) 
-	return math.floor(num + 0.5) 
+local player_positions = {}
+local was_wielding = {}
+
+local function check_for_flashlight(player)
+	if player == nil then
+		return false
+	end
+	local inv = player:get_inventory()
+	local hotbar = inv:get_list("main")
+	for i = 1, 8 do
+		if hotbar[i]:get_name() == "technic:flashlight" then
+			local meta = minetest.deserialize(hotbar[i]:get_metadata())
+			if meta and meta.charge and meta.charge >= 2 then
+				if not technic.creative_mode then
+					meta.charge = meta.charge - 2;
+					technic.set_RE_wear(hotbar[i], meta.charge, flashlight_max_charge)
+					hotbar[i]:set_metadata(minetest.serialize(meta))
+					inv:set_stack("main", i, hotbar[i])
+				end
+				return true
+			end
+		end
+	end
+	return false
 end
 
 minetest.register_on_joinplayer(function(player)
 	local player_name = player:get_player_name()
-	table.insert(players, player_name)
 	local pos = player:getpos()
-	local rounded_pos = {x=round(pos.x),y=round(pos.y)+1,z=round(pos.z)}
-	player_positions[player_name] = {}
-	player_positions[player_name]["x"] = rounded_pos.x;
-	player_positions[player_name]["y"] = rounded_pos.y;
-	player_positions[player_name]["z"] = rounded_pos.z;
+	local rounded_pos = vector.round(pos)
+	rounded_pos.y = rounded_pos.y + 1
+	player_positions[player_name] = rounded_pos
+	was_wielding[player_name] = true
 end)
+
 
 minetest.register_on_leaveplayer(function(player)
 	local player_name = player:get_player_name()
-	for i,v in ipairs(players) do
-		if v == player_name then 
-			table.remove(players, i)
-			last_wielded[player_name] = nil
-			-- Neuberechnung des Lichts erzwingen
-			local pos = player:getpos()
-			local rounded_pos = {x=round(pos.x),y=round(pos.y)+1,z=round(pos.z)}
-			minetest.env:add_node(rounded_pos,{type="node",name="technic:light_off"})
-			minetest.env:add_node(rounded_pos,{type="node",name="air"})
-			player_positions[player_name]["x"] = nil
-			player_positions[player_name]["y"] = nil
-			player_positions[player_name]["z"] = nil
-			player_positions[player_name]["m"] = nil
-			player_positions[player_name] = nil
-		end
+	local pos = player_positions[player_name]
+	local nodename = minetest.get_node(pos).name
+	if nodename == "technic:light" then
+		minetest.remove_node(pos)
 	end
+	player_positions[player_name] = nil
 end)
 
 minetest.register_globalstep(function(dtime)
-	for i,player_name in ipairs(players) do
-		local player = minetest.env:get_player_by_name(player_name)
-		if player then
-		flashlight_weared=check_for_flashlight(player)
+	for i, player in pairs(minetest.get_connected_players()) do
+		local player_name = player:get_player_name()
+		local flashlight_weared = check_for_flashlight(player)
 		local pos = player:getpos()
-		local rounded_pos = {x=round(pos.x),y=round(pos.y)+1,z=round(pos.z)}
-		local old_pos = {x=player_positions[player_name]["x"], y=player_positions[player_name]["y"], z=player_positions[player_name]["z"]}
-		
-		if last_wielded[player_name] and not flashlight_weared then --remove light, flashlight weared out or was removed from hotbar
-			local node=minetest.env:get_node_or_nil(old_pos)
-			if node then
-			if node.name=="technic:light" then 
-			  	minetest.env:add_node(old_pos,{type="node",name="technic:light_off"})
-				minetest.env:add_node(old_pos,{type="node",name="air"})		
-			  last_wielded[player_name]=false
-			  end
-			end
-			end
+		local rounded_pos = vector.round(pos)
+		rounded_pos.y = rounded_pos.y + 1
+		local old_pos = player_positions[player_name]
+		local player_moved = old_pos and not vector.equals(old_pos, rounded_pos)
+		if not old_pos then
+			old_pos = rounded_pos
+			player_moved = true
+		end
 
-		player_moved=not(old_pos.x==rounded_pos.x and old_pos.y==rounded_pos.y and old_pos.z==rounded_pos.z)
-		if player_moved and last_wielded[player_name] and flashlight_weared  then
-			
-			local node=minetest.env:get_node_or_nil(rounded_pos)
-			if node then
-			if node.name=="air" then 
-			  	minetest.env:add_node(rounded_pos,{type="node",name="technic:light"})
-			  end
+		-- Remove light, flashlight weared out or was removed from hotbar
+		if was_wielding[player_name] and not flashlight_weared then
+			was_wielding[player_name] = false
+			local node = minetest.get_node_or_nil(old_pos)
+			if node and node.name == "technic:light" then
+				minetest.remove_node(old_pos)
 			end
-			local node=minetest.env:get_node_or_nil(old_pos)
-			if node then
-			  if node.name=="technic:light" then 
-			  	minetest.env:add_node(old_pos,{type="node",name="technic:light_off"})
-				minetest.env:add_node(old_pos,{type="node",name="air"})		
-			  end
+		elseif (player_moved or not was_wielding[player_name]) and flashlight_weared then
+			local node = minetest.get_node_or_nil(rounded_pos)
+			if node and node.name == "air" then
+				minetest.set_node(rounded_pos, {name="technic:light"})
 			end
-			player_positions[player_name]["x"] = rounded_pos.x
-			player_positions[player_name]["y"] = rounded_pos.y
-			player_positions[player_name]["z"] = rounded_pos.z
-			
-		else if not last_wielded[player_name] and flashlight_weared then
-			local node=minetest.env:get_node_or_nil(rounded_pos)
-			if node then
-			if node.name=="air" then 
-			  	minetest.env:add_node(rounded_pos,{type="node",name="technic:light"})
-			  end
+			local node = minetest.get_node_or_nil(old_pos)
+			if node and node.name == "technic:light" then
+				minetest.remove_node(old_pos)
 			end
-			player_positions[player_name]["x"] = rounded_pos.x
-			player_positions[player_name]["y"] = rounded_pos.y
-			player_positions[player_name]["z"] = rounded_pos.z
-			last_wielded[player_name]=true
-			end			
-			
-	end
-	end
+			player_positions[player_name] = rounded_pos
+			was_wielding[player_name] = true
+		end
 	end
 end)
 
 minetest.register_node("technic:light", {
 	drawtype = "glasslike",
-	tile_images = {"technic_light.png"},
+	tiles = {"technic_light.png"},
 	paramtype = "light",
+	groups = {not_in_creative_inventory=1},
+	drop = "",
 	walkable = false,
 	buildable_to = true,
-	is_ground_content = true,
-	light_propagates = true,
 	sunlight_propagates = true,
-	light_source = 15,
-	selection_box = {
-        type = "fixed",
-        fixed = {0, 0, 0, 0, 0, 0},
-    },
+	light_source = LIGHT_MAX,
+	pointable = false,
 })
-minetest.register_node("technic:light_off", {
-	drawtype = "glasslike",
-	tile_images = {"technic_light.png"},
-	paramtype = "light",
-	walkable = false,
-	buildable_to = true,
-	is_ground_content = true,
-	light_propagates = true,
-	sunlight_propagates = true,
-	selection_box = {
-        type = "fixed",
-        fixed = {0, 0, 0, 0, 0, 0},
-    },
-})
-
-function check_for_flashlight (player)
-if player==nil then return false end
-local inv = player:get_inventory()
-local hotbar=inv:get_list("main")
-		for i=1,8,1 do
-			
-			if hotbar[i]:get_name() == "technic:flashlight" then
-			local item=hotbar[i]:to_table()
-			local meta=get_item_meta(item["metadata"])
-			if meta==nil then return false end --flashlight not charghed
-			if meta["charge"]==nil then return false end
-			charge=meta["charge"]
-			if charge-2>0 then
-			 charge =charge-2;	
-			technic.set_RE_wear(item,charge,flashlight_max_charge)
-			meta["charge"]=charge
-			item["metadata"]=set_item_meta(meta)
-			hotbar[i]:replace(item)
-			inv:set_stack("main",i,hotbar[i])
-			return true
-			end
-			end
-		end
-return false
-end	

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