Fix shape beign stuck (#83)

src/main/kotlin/net/trivernis/chunkmaster/lib/generation/DefaultGenerationTask.kt

@@ -85,7 +85,8 @@ class DefaultGenerationTask(
         do {
             lastChunkCoords = nextChunkCoordinates
             count = shape.count
-        } while (PaperLib.isChunkGenerated(world, lastChunkCoords.x, lastChunkCoords.z))
+            println(count)
+        } while (PaperLib.isChunkGenerated(world, lastChunkCoords.x, lastChunkCoords.z) && !borderReached())
     }
 
     /**

src/main/kotlin/net/trivernis/chunkmaster/lib/shapes/Circle.kt

@@ -52,7 +52,7 @@ class Circle(center: Pair<Int, Int>, start: Pair<Int, Int>, radius: Int) : Shape
         }
         if (count == 0 && currentPos != center) {
             val tmpCircle = Circle(center, center, radius)
-            while (tmpCircle.next() != currentPos);
+            while (tmpCircle.next() != currentPos && !tmpCircle.endReached());
             this.count = tmpCircle.count
             this.r = tmpCircle.r
         }

src/main/kotlin/net/trivernis/chunkmaster/lib/shapes/Spiral.kt

@@ -39,7 +39,7 @@ class Spiral(center: Pair<Int, Int>, start: Pair<Int, Int>, radius: Int): Shape(
         if (count == 0 && currentPos != center) {
             // simulate the spiral to get the correct direction and count
             val simSpiral = Spiral(center, center, radius)
-            while (simSpiral.next() != currentPos);
+            while (simSpiral.next() != currentPos && !simSpiral.endReached());
             direction = simSpiral.direction
             count = simSpiral.count
         }