Mod load fixes

core/src/mindustry/mod/ContentParser.java

@@ -137,7 +137,7 @@ public class ContentParser{
             }
             var bc = resolve(data.getString("type", ""), DrawDefault.class);
             data.remove("type");
-            var result = make(bc);
+            DrawBlock result = make(bc);
             readFields(result, data);
             return result;
         });

core/src/mindustry/world/Block.java

@@ -313,7 +313,7 @@ public class Block extends UnlockableContent implements Senseable{
     /** Configuration handlers by type. */
     public ObjectMap<Class<?>, Cons2> configurations = new ObjectMap<>();
     /** Consumption filters. */
-    public boolean[] itemFilter, liquidFilter;
+    public boolean[] itemFilter = {}, liquidFilter = {};
     /** Array of consumers used by this block. Only populated after init(). */
     public Consume[] consumers = {}, optionalConsumers = {}, nonOptionalConsumers = {}, updateConsumers = {};
     /** Set to true if this block has any consumers in its array. */

core/src/mindustry/world/consumers/ConsumeCoolant.java

@@ -8,4 +8,8 @@ public class ConsumeCoolant extends ConsumeLiquidFilter{
         this.filter = liquid -> liquid.coolant && liquid.temperature <= maxTemp && liquid.flammability < maxFlammability;
         this.amount = amount;
     }
+
+    public ConsumeCoolant(){
+        this(1f);
+    }
 }