Added the resizer

blocks/cable.lua

@@ -367,7 +367,8 @@ function logikraft.connFromDir(name,dir)
     for i,c in ipairs(conns)
     do
         if (math.fmod(c,2*dir8) - dir8 >= 0)
-        then return i
+        then 
+            return i
         end
     end
     return nil
@@ -390,10 +391,12 @@ function logikraft.connectContiguousCable(namea,posa,a,nameb,posb,b)
     
     local connsa = table.copy(logikraft.cablesconn[namea])
     local connsb = table.copy(logikraft.cablesconn[nameb])
+    print(dump(connsa))
+    print(dump(connsb))
     local cia = logikraft.cablesnbconn[namea][a]
     local cib = logikraft.cablesnbconn[nameb][b]
     local cia2 = logikraft.connFromDir(namea,dira)
-    local cib2 = logikraft.connFromDir(nameb,3 - dira)
+    local cib2 = logikraft.connFromDir(nameb,math.fmod(dira+2,4))
     print(dira)
     print(cia)
     print(cia2)
@@ -407,7 +410,7 @@ function logikraft.connectContiguousCable(namea,posa,a,nameb,posb,b)
     if (cia2 == nil)
     then
         connsa[cia] = connsa[cia] + math.pow(2,dira)
-    elseif (a ~= cia2)
+    elseif (cia ~= cia2)
     then
         -- We take the v size of selected cable
         local v = math.fmod(math.floor(connsa[cia]/16),2)
@@ -417,8 +420,8 @@ function logikraft.connectContiguousCable(namea,posa,a,nameb,posb,b)
 
     if (cib2 == nil)
     then
-        connsb[cib] = connsb[cib] + math.pow(2,3-dira)
-    elseif (b ~= cib2)
+        connsb[cib] = connsb[cib] + math.pow(2,math.fmod(dira+2,4))
+    elseif (cib ~= cib2)
     then
         -- We take the v size of selected cable
         local v = math.fmod(math.floor(connsb[cib]/16),2)
@@ -455,3 +458,13 @@ function logikraft.disconnectInCable(name,a)
     table.sort(conns)
     return table.getkey1(logikraft.cablesconn,conns)
 end
+
+function logikraft.resizeInCable(name,a)
+    local conns = table.copy(logikraft.cablesconn[name])
+    local cindex = logikraft.cablesnbconn[name][a]
+    
+    conns[cindex] = (conns[cindex] >= 16) and (conns[cindex] - 16) or (conns[cindex] + 16)
+
+    table.sort(conns)
+    return table.getkey1(logikraft.cablesconn,conns)
+end

items.lua

@@ -40,8 +40,8 @@ minetest.register_craftitem("logikraft:linker", {
                 else
                     local thisnb = logikraft.lookingAtNbIndex(user,pointed_thing.under)
                     local new = logikraft.connectContiguousCable(
-                        string.without(node.name,"logikraft:cable_"),selectedpos,selectednb,
-                        string.without(minetest.get_node(pointed_thing.under).name,"logikraft:cable_"),pointed_thing.under,thisnb)
+                        string.without(minetest.get_node(selectedpos).name,"logikraft:cable_"),selectedpos,selectednb,
+                        string.without(node.name,"logikraft:cable_"),pointed_thing.under,thisnb)
                     if new
                     then
                         minetest.swap_node(selectedpos, {name = "logikraft:cable_" .. new[1]})
@@ -112,3 +112,20 @@ minetest.register_craftitem("logikraft:unlinker", {
         return itemstack
     end
 })
+minetest.register_craftitem("logikraft:resizer", {
+    description = "The Resizer",
+    inventory_image = "resizer.png",
+    on_place = function(itemstack, user, pointed_thing)
+        local node = minetest.get_node(pointed_thing.under)
+        if not string.startsWith(node.name,"logikraft:cable_")
+        then return itemstack
+        end
+
+        local index = logikraft.lookingAtNbIndex(user,pointed_thing.under)
+
+        local new = logikraft.resizeInCable(string.without(node.name,"logikraft:cable_"),index)
+        minetest.swap_node(pointed_thing.under, {name = "logikraft:cable_" .. new})
+        
+        return itemstack
+    end
+})