From fdc4638c4bbd84e1429812387d0f3a2626b95ae6 Mon Sep 17 00:00:00 2001
From: syeyoung <42869671+cyoung06@users.noreply.github.com>
Date: Mon, 23 Nov 2020 14:17:59 +0900
Subject: room building

---
 .../syeyoung/dungeonsguide/utils/ArrayUtils.java   | 22 ++++++++++++++++++++++
 .../syeyoung/dungeonsguide/utils/ShortUtils.java   |  8 ++++----
 2 files changed, 26 insertions(+), 4 deletions(-)
 create mode 100644 src/main/java/kr/syeyoung/dungeonsguide/utils/ArrayUtils.java

(limited to 'src/main/java/kr/syeyoung/dungeonsguide/utils')

diff --git a/src/main/java/kr/syeyoung/dungeonsguide/utils/ArrayUtils.java b/src/main/java/kr/syeyoung/dungeonsguide/utils/ArrayUtils.java
new file mode 100644
index 00000000..7b9e8b59
--- /dev/null
+++ b/src/main/java/kr/syeyoung/dungeonsguide/utils/ArrayUtils.java
@@ -0,0 +1,22 @@
+package kr.syeyoung.dungeonsguide.utils;
+
+public class ArrayUtils {
+    public static int[][] rotateCounterClockwise(int[][] arr) {
+        int[][] res = new int[arr[0].length][arr.length];
+        for(int y=0; y<arr.length; y++) {
+            for (int x = 0; x< arr[0].length; x++) {
+                res[res.length - x - 1][y] = arr[y][x];
+            }
+        }
+        return res;
+    }
+    public static int[][] rotateClockwise(int[][] arr) {
+        int[][] res = new int[arr[0].length][arr.length];
+        for(int y=0; y<arr.length; y++) {
+            for (int x = 0; x< arr[0].length; x++) {
+                res[x][res[0].length - y - 1] = arr[y][x];
+            }
+        }
+        return res;
+    }
+}
diff --git a/src/main/java/kr/syeyoung/dungeonsguide/utils/ShortUtils.java b/src/main/java/kr/syeyoung/dungeonsguide/utils/ShortUtils.java
index d7ce60c5..ffe306a4 100644
--- a/src/main/java/kr/syeyoung/dungeonsguide/utils/ShortUtils.java
+++ b/src/main/java/kr/syeyoung/dungeonsguide/utils/ShortUtils.java
@@ -1,21 +1,21 @@
 package kr.syeyoung.dungeonsguide.utils;
 
 public class ShortUtils {
-    public static short rotateClockwise(short integer) {
+    public static short rotateCounterClockwise(short integer) {
         int res = 0;
         for(int i=0; i<16; i++){
             int x = i % 4;
             int y = i / 4;
-            res |= (integer >> i & 0x1) << (x*4 + y);
+            res |= (integer >> i & 0x1) << ((4-x-1)*4 + y);
         }
         return (short) (res & 0xFFFF);
     }
-    public static short rotateCounterClockwise(short integer) {
+    public static short rotateClockwise(short integer) {
         int res = 0;
         for(int i=0; i<16; i++){
             int x = i % 4;
             int y = i / 4;
-            res |= (integer >> i & 0x1) << ((4-x-1) *4 +(4 - y - 1));
+            res |= (integer >> i & 0x1) << (x *4 +(4 - y - 1));
         }
         return (short) (res & 0xFFFF);
     }
-- 
cgit