Fix wall rotations

- Also make /struct build default to false for mirrored

Author: boxbeam

res/command.rdcml

@@ -11,7 +11,7 @@ structure,struct {
 		hook create
 		user player
 	}
-	build int<0,3>:rotation?(0) boolean:mirrored?(true) {
+	build int<0,3>:rotation?(0) boolean:mirrored?(false) {
 		help Build the created structure at your location
 		hook build
 		user player

res/plugin.yml

@@ -1,6 +1,6 @@
 name: RedLib
 main: redempt.redlib.RedLib
-version: 2022-09-16 05:12
+version: 2022-09-23 01:40
 author: Redempt
 api-version: 1.13
 load: STARTUP

src/redempt/redlib/multiblock/Rotator.java

@@ -129,12 +129,16 @@ private <T> void rotate(T[] arr) {
 			rot[i] = arr[i];
 		}
 		for (int i = 0; i < 4; i++) {
-			int dir = (i + rotation) % 4;
-			if (mirrored && (i == 0 || i == 2)) {
-				dir = (dir + 2) % 4;
-			}
+			int dir = (i + 4 - rotation) % 4;
 			arr[i] = (T) rot[dir];
 		}
+		if (mirrored) {
+			int first = rotation % 2 == 0 ? 1 : 0;
+			int second = rotation % 2 == 0 ? 3 : 2;
+			T tmp = arr[first];
+			arr[first] = arr[second];
+			arr[second] = tmp;
+		}
 	}
 
 	/**