🔩 Add (plastanium) diode (#964)

* Add plastanium diode

* Only rotate the arrow part

* Use the sum of graph batteries from both sides

* Make diode send power overflow

Diode keeps one-way equalizing while the sending graph has batteries that are ¬ yet fully filled.

* Remove redundant block != null check

* Remove free power

* Stash

* Revert "Stash"

This reverts commit 0c14854519.

* Equalize graph storage percentage

* Update sprite

* Move nearby link check

* DRY

* Fire deathstar at extra spaces

* 〃

* Fix ghost rotation

* Please overlord anuke

* Mild cleanup

* Konami code

* 〃

* Lowercase float

* Newline begone

* Fix overclocking issue

* Fix rotation and name

core/src/io/anuke/mindustry/content/Blocks.java

@@ -63,7 +63,7 @@ public class Blocks implements ContentList{
 
     //power
     combustionGenerator, thermalGenerator, turbineGenerator, differentialGenerator, rtgGenerator, solarPanel, largeSolarPanel, thoriumReactor,
-    impactReactor, battery, batteryLarge, powerNode, powerNodeLarge, surgeTower,
+    impactReactor, battery, batteryLarge, powerNode, powerNodeLarge, surgeTower, diode,
 
     //production
     mechanicalDrill, pneumaticDrill, laserDrill, blastDrill, waterExtractor, oilExtractor, cultivator,
@@ -1065,6 +1065,10 @@ public class Blocks implements ContentList{
             laserRange = 30f;
         }};
 
+        diode = new PowerDiode("diode"){{
+            requirements(Category.power, ItemStack.with(Items.silicon, 10, Items.phasefabric, 5, Items.plastanium, 2, Items.metaglass, 1));
+        }};
+
         battery = new Battery("battery"){{
             requirements(Category.power, ItemStack.with(Items.copper, 4, Items.lead, 20));
             consumes.powerBuffered(4000f);