Fixed Screwdriver

Fixed a Bug which causes doors (if locked or not) to be opened by the
screwdriver. It now makes a check if you are on valid ground.

2 files changed, 112 insertions, 0 deletions

diff --git a/init.lua b/init.lua
index a63beb6..ea99421 100644
--- a/init.lua
+++ b/init.lua
@@ -450,5 +450,6 @@ dofile(path.."/bucket.lua")
 dofile(path.."/doors.lua")
 dofile(path.."/fire.lua")
 dofile(path.."/chatcommands.lua")
+dofile(path.."/screwdriver.lua")
 
 end )
diff --git a/screwdriver.lua b/screwdriver.lua
new file mode 100644
index 0000000..079d65c
--- /dev/null
+++ b/screwdriver.lua
@@ -0,0 +1,111 @@
+--[[
+Screwdriver replacement to fit the needs of the landrush mod.
+Otherwise it will be possible to open doors without permission.
+]]
+
+if minetest.get_modpath("screwdriver") then
+	-- Start overwriting the standard function
+	tmp_tool = minetest.registered_tools["screwdriver:screwdriver"]
+	if tmp_tool == nil then
+		print("Something went wrong when correcting the screwdriver...")
+	end
+	if tmp_tool.on_use == nil then
+		print( "tmp_tool.on_use is a nil value... ")
+	end
+	tmp_tool.on_use = function(itemstack, user, pointed_thing)
+		safe_screwdriver_handler(itemstack, user, pointed_thing)
+		return itemstack
+	end
+	minetest.registered_tools["screwdriver:screwdriver"] = tmp_tool
+	for i = 1,4,1 do
+		tmp_tool = minetest.registered_tools["screwdriver:screwdriver"..i]
+		tmp_tool.on_use = function(itemstack, user, pointed_thing)
+			safe_screwdriver_handler(itemstack, user, pointed_thing)
+			return itemstack
+		end
+		minetest.registered_tools["screwdriver:screwdriver"..i] = tmp_tool
+	end
+	print( "Rewritten screwdriver routines..." )
+end
+
+
+function safe_screwdriver_handler (itemstack,user,pointed_thing)
+	local keys=user:get_player_control()
+	local player_name=user:get_player_name()
+	local item=itemstack:to_table()
+	if item["metadata"]=="" or keys["sneak"]==true then return screwdriver_setmode(user,itemstack) end
+	local mode=tonumber((item["metadata"]))
+	if pointed_thing.type~="node" then return end
+	local pos=minetest.get_pointed_thing_position(pointed_thing,above)
+	-- Landrush fix
+	if not landrush.can_interact( player_name, pos ) then
+		return nil
+	end
+	-- end fix
+	local node=minetest.get_node(pos)
+	local node_name=node.name
+	if minetest.registered_nodes[node_name].paramtype2 == "facedir" then
+		if minetest.registered_nodes[node_name].drawtype == "nodebox" then
+			if minetest.registered_nodes[node_name].node_box["type"]~="fixed" then return end
+			end
+		if node.param2==nil  then return end
+		-- Get ready to set the param2
+			local n = node.param2
+			local axisdir=math.floor(n/4)
+			local rotation=n-axisdir*4
+			if mode==1 then
+				rotation=rotation+1
+				if rotation>3 then rotation=0 end
+				n=axisdir*4+rotation
+			end
+
+			if mode==2 then
+				local ppos=user:getpos()
+				local pvect=user:get_look_dir()
+				local face=get_node_face(pos,ppos,pvect)
+				if face == nil then return end
+				local index=convertFaceToIndex(face)
+				local face1=faces_table[n*6+index+1]
+				local found = 0
+				while found == 0 do
+					n=n+1
+					if n>23 then n=0 end
+					if faces_table[n*6+index+1]==face1 then found=1 end
+				end
+			end
+
+			if mode==3 then
+				axisdir=axisdir+1
+				if axisdir>5 then axisdir=0 end
+				n=axisdir*4
+			end
+
+			if mode==4 then
+				local ppos=user:getpos()
+				local pvect=user:get_look_dir()
+				local face=get_node_face(pos,ppos,pvect)
+				if face == nil then return end
+				if axisdir == face then
+					rotation=rotation+1
+				if rotation>3 then rotation=0 end
+					n=axisdir*4+rotation
+				else
+					n=face*4
+				end
+			end
+			--print (dump(axisdir..", "..rotation))
+			local meta = minetest.get_meta(pos)
+			local meta0 = meta:to_table()
+			node.param2 = n
+			minetest.set_node(pos,node)
+			meta = minetest.get_meta(pos)
+			meta:from_table(meta0)
+			local item=itemstack:to_table()
+			local item_wear=tonumber((item["wear"]))
+			item_wear=item_wear+327
+			if item_wear>65535 then itemstack:clear() return itemstack end
+			item["wear"]=tostring(item_wear)
+			itemstack:replace(item)
+			return itemstack
+	end
+end