fix Column

common/api/src/main/java/com/dfsek/terra/api/util/Column.java

@@ -33,15 +33,16 @@ public interface Column<T> {
     default void forRanges(IntIntObjConsumer<T> consumer) {
         int min = getMinY();
         
-        int y = min + 1;
+        int y = min;
+        
+        T runningObj = get(y);
         
-        T runningObj = get(min);
-    
-    
         int runningMin = min;
-        int max = (getMaxY() - 1);
+        
+        int max = getMaxY() - 1;
         
         while(y < max) {
+            y++;
             T current = get(y);
             
             if(!current.equals(runningObj)) {
@@ -49,7 +50,6 @@ public interface Column<T> {
                 runningMin = y;
                 runningObj = current;
             }
-            y++;
         }
         consumer.accept(runningMin, ++y, runningObj);
     }

common/api/src/test/java/util/ColumnTest.java

@@ -51,7 +51,7 @@ public class ColumnTest {
         
         returnY.forRanges((min, max, p) -> list.add(Pair.of(Pair.of(min, max), p)));
         
-        assertEquals(IntStream.range(-10, 11).mapToObj(i -> Pair.of(Pair.of(i, i + 1), i)).collect(Collectors.toList()),
+        assertEquals(IntStream.range(-10, 10).mapToObj(i -> Pair.of(Pair.of(i, i + 1), i)).collect(Collectors.toList()),
                      list);
     }
     static class ColumnImpl<T> implements Column<T> {