Additional Block Material API

Faster version for isSolid() that utilizes NMS's state for isSolid instead of the slower
process to do this in the Bukkit API

Adds API for buildable, replaceable, burnable too.

paper-server/src/main/java/org/bukkit/craftbukkit/block/CraftBlock.java

@@ -440,6 +440,25 @@ public class CraftBlock implements Block {
         return this.getNMS().liquid();
     }
 
+    // Paper start
+    @Override
+    public boolean isBuildable() {
+        return this.getNMS().isSolid(); // This is in fact isSolid, despite the fact that isSolid below returns blocksMotion
+    }
+    @Override
+    public boolean isBurnable() {
+        return this.getNMS().ignitedByLava();
+    }
+    @Override
+    public boolean isReplaceable() {
+        return this.getNMS().canBeReplaced();
+    }
+    @Override
+    public boolean isSolid() {
+        return this.getNMS().blocksMotion();
+    }
+    // Paper end
+
     @Override
     public PistonMoveReaction getPistonMoveReaction() {
         return PistonMoveReaction.getById(this.getNMS().getPistonPushReaction().ordinal());