Initial Efficiency is now zero. Blocks display efficiency.

core/src/io/anuke/mindustry/content/blocks/PowerBlocks.java

@@ -4,6 +4,7 @@ import io.anuke.mindustry.content.Liquids;
 import io.anuke.mindustry.content.fx.BlockFx;
 import io.anuke.mindustry.game.ContentList;
 import io.anuke.mindustry.world.Block;
+import io.anuke.mindustry.world.Tile;
 import io.anuke.mindustry.world.blocks.power.*;
 
 public class PowerBlocks extends BlockList implements ContentList{
@@ -41,14 +42,26 @@ public class PowerBlocks extends BlockList implements ContentList{
             itemDuration = 220f;
         }};
 
-        solarPanel = new PowerGenerator("solar-panel"){{
-            powerProduction = 0.0045f;
-        }};
+        // TODO: Maybe reintroduce a class for the initial production efficiency
+        solarPanel = new PowerGenerator("solar-panel"){
+            {
+                powerProduction = 0.0045f;
+            }
+            @Override
+            public void update(Tile tile){
+                tile.<GeneratorEntity>entity().productionEfficiency = 1.0f;
+            }
+        };
 
-        largeSolarPanel = new PowerGenerator("solar-panel-large"){{
-            powerProduction = 0.055f;
-            size = 3;
-        }};
+        largeSolarPanel = new PowerGenerator("solar-panel-large"){
+            {
+                powerProduction = 0.055f;
+            }
+            @Override
+            public void update(Tile tile){
+                tile.<GeneratorEntity>entity().productionEfficiency = 1.0f;
+            }
+        };
 
         thoriumReactor = new NuclearReactor("thorium-reactor"){{
             size = 3;

core/src/io/anuke/mindustry/world/Block.java

@@ -337,9 +337,8 @@ public class Block extends BaseBlock {
     }
 
     public void setBars(){
-        if(consumes.has(ConsumePower.class)){
+        if(consumes.has(ConsumePower.class))
             bars.add(new BlockBar(BarType.power, true, tile -> tile.entity.power.satisfaction));
-        }
         if(hasLiquids)
             bars.add(new BlockBar(BarType.liquid, true, tile -> tile.entity.liquids.total() / liquidCapacity));
         if(hasItems)

core/src/io/anuke/mindustry/world/blocks/power/PowerGenerator.java

@@ -1,5 +1,7 @@
 package io.anuke.mindustry.world.blocks.power;
 
+import io.anuke.mindustry.world.BarType;
+import io.anuke.mindustry.world.meta.BlockBar;
 import io.anuke.mindustry.world.meta.StatUnit;
 import io.anuke.ucore.util.EnumSet;
 
@@ -11,6 +13,11 @@ import io.anuke.mindustry.world.meta.BlockStat;
 public class PowerGenerator extends PowerDistributor{
     /** The amount of power produced per tick. */
     protected float powerProduction;
+    /** The maximum possible efficiency for this generator. Supply values larger than 1.0f if more than 100% is possible.
+     *  This could be the case when e.g. an item with 100% flammability is the reference point, but a more effective liquid
+     *  can be supplied as an alternative.
+     */
+    protected float maxEfficiency = 1.0f;
     public BlockStat generationType = BlockStat.basePowerGeneration;
 
     public PowerGenerator(String name){
@@ -40,8 +47,16 @@ public class PowerGenerator extends PowerDistributor{
         return new GeneratorEntity();
     }
 
+    @Override
+    public void setBars(){
+        super.setBars();
+        if(hasPower){
+            bars.add(new BlockBar(BarType.power, true, tile -> tile.<GeneratorEntity>entity().productionEfficiency / maxEfficiency));
+        }
+    }
+
     public static class GeneratorEntity extends TileEntity{
         public float generateTime;
-        public float productionEfficiency = 1;
+        public float productionEfficiency = 0.0f;
     }
 }

core/src/io/anuke/mindustry/world/consumers/ConsumePower.java

@@ -86,7 +86,9 @@ public class ConsumePower extends Consume{
      * @return The amount of power which is requested per tick.
      */
     public float requestedPower(Block block, TileEntity entity){
-        // TODO Is it possible to make the block not consume power while items/liquids are missing?
+        // TODO Make the block not consume power on the following conditions, either here or in PowerGraph:
+        //      - Other consumers are not valid, e.g. additional input items/liquids are missing
+        //      - Buffer is full
         return powerPerTick;
     }