From cacd0da4314759fd41cd3318afca4a9c99bba78d Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Gabriel=20P=C3=A9rez-Cerezo?= <gabriel@gpcf.eu>
Date: Tue, 4 Oct 2016 10:54:48 +0200
Subject: Now honors protections

---
 trackplacer.lua | 67 ++++++++++++++++++++++++++++++++-------------------------
 1 file changed, 38 insertions(+), 29 deletions(-)

(limited to 'trackplacer.lua')

diff --git a/trackplacer.lua b/trackplacer.lua
index 1dbdffa..ca1ebc7 100644
--- a/trackplacer.lua
+++ b/trackplacer.lua
@@ -1,7 +1,7 @@
 --trackplacer.lua
 --holds code for the track-placing system. the default 'track' item will be a craftitem that places rails as needed. this will neither place or change switches nor place vertical rails.
 
-local print=function(t, ...) minetest.log("action", table.concat({t, ...}, " ")) minetest.chat_send_all(table.concat({t, ...}, " ")) end
+local print=function(t, ...) minetest.log("action", table.concat({t, ...}, " ")) minetest.chat_send_player(table.concat({t, ...}, " ")) end
 
 --all new trackplacer code
 local tp={
@@ -176,6 +176,9 @@ function tp.register_track_placer(nnprefix, imgprefix, dispname)
 			if pointed_thing.type=="node" then
 				local pos=pointed_thing.above
 				local upos=pointed_thing.under
+				if minetest.is_protected(pos,placer) and minetest.is_protected(upos,placer) then
+				   return itemstack
+				end
 				if minetest.registered_nodes[minetest.get_node(pos).name] and minetest.registered_nodes[minetest.get_node(pos).name].buildable_to
 					and minetest.registered_nodes[minetest.get_node(upos).name] and minetest.registered_nodes[minetest.get_node(upos).name].walkable then
 					tp.placetrack(pos, nnprefix)
@@ -198,40 +201,46 @@ minetest.register_craftitem("advtrains:trackworker",{
 	wield_image = "advtrains_trackworker.png",
 	stack_max = 1,
 	on_place = function(itemstack, placer, pointed_thing)
-		if pointed_thing.type=="node" then
-			local pos=pointed_thing.under
-			local node=minetest.get_node(pos)
-			
-			--if not advtrains.is_track_and_drives_on(minetest.get_node(pos).name, advtrains.all_tracktypes) then return end
-			if advtrains.is_train_at_pos(pos) then return end
-			
-			local nnprefix, suffix, rotation=string.match(node.name, "^([^_]+)_([^_]+)(_?.*)$")
-			--print(node.name.."\npattern recognizes:"..nodeprefix.." / "..railtype.." / "..rotation)
-			if not tp.tracks[nnprefix] or not tp.tracks[nnprefix].twrotate[suffix] then
-				print("[advtrains]railtype not workable by trackworker")
-				return
-			end
-			local modext=tp.tracks[nnprefix].twrotate[suffix]
+	   if pointed_thing.type=="node" then
+	      local pos=pointed_thing.under
+	      if minetest.is_protected(pos, placer) then
+		 return
+	      end
+	      local node=minetest.get_node(pos)
+	      
+	      --if not advtrains.is_track_and_drives_on(minetest.get_node(pos).name, advtrains.all_tracktypes) then return end
+	      if advtrains.is_train_at_pos(pos) then return end
+	      
+	      local nnprefix, suffix, rotation=string.match(node.name, "^([^_]+)_([^_]+)(_?.*)$")
+	      --print(node.name.."\npattern recognizes:"..nodeprefix.." / "..railtype.." / "..rotation)
+	      if not tp.tracks[nnprefix] or not tp.tracks[nnprefix].twrotate[suffix] then
+		 print("[advtrains]railtype not workable by trackworker")
+		 return
+	      end
+	      local modext=tp.tracks[nnprefix].twrotate[suffix]
 
-			if rotation==modext[#modext] then --increase param2
-				minetest.set_node(pos, {name=nnprefix.."_"..suffix..modext[1], param2=(node.param2+1)%4})
-				return
-			else
-				local modpos
-				for k,v in pairs(modext) do if v==rotation then modpos=k end end
-				if not modpos then
-					print("[advtrains]rail not workable by trackworker")
-					return
-				end
-				minetest.set_node(pos, {name=nnprefix.."_"..suffix..modext[modpos+1], param2=node.param2})
-			end
-			advtrains.invalidate_all_paths()
-		end
+	      if rotation==modext[#modext] then --increase param2
+		 minetest.set_node(pos, {name=nnprefix.."_"..suffix..modext[1], param2=(node.param2+1)%4})
+		 return
+	      else
+		 local modpos
+		 for k,v in pairs(modext) do if v==rotation then modpos=k end end
+		    if not modpos then
+		       print("[advtrains]rail not workable by trackworker")
+		       return
+		    end
+		    minetest.set_node(pos, {name=nnprefix.."_"..suffix..modext[modpos+1], param2=node.param2})
+	      end
+	      advtrains.invalidate_all_paths()
+	   end
 	end,
 	on_use=function(itemstack, user, pointed_thing)
 		if pointed_thing.type=="node" then
 			local pos=pointed_thing.under
 			local node=minetest.get_node(pos)
+			if minetest.is_protected(pos, user) then
+			   return
+			end
 			
 			--if not advtrains.is_track_and_drives_on(minetest.get_node(pos).name, advtrains.all_tracktypes) then return end
 			if advtrains.is_train_at_pos(pos) then return end
-- 
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