improvement: Improved casing ejection for up- and down-facing manual autocannon

Author: rbasamoyai

CHANGELOG.md

@@ -6,6 +6,7 @@
 
 Changed:
 - Improved Cannon Mount syncing
+- Improved casing ejection for up- and down-facing manual autocannon
 - [1.20.1] Create Big Cannons will not load with the latest release of CBC: Advanced Technologies until an issue on their end is fixed.
   - CBC: Advanced Technologies breaks Big Cartridges and prevents them from firing. Other issues may also be present.
 - [1.21.1] Updated Chinese (Simplified) (zh_cn.json) localization courtesy of pingguomc

src/main/java/rbasamoyai/createbigcannons/cannon_control/contraption/MountedAutocannonContraption.java

@@ -267,7 +267,12 @@ public void fireShot(ServerLevel level, PitchOrientedContraptionEntity entity) {
 		if (!(foundProjectile.getItem() instanceof AutocannonAmmoItem round)) return;
 		ControlPitchContraption controller = entity.getController();
 
-		Vec3 ejectPos = entity.toGlobalVector(Vec3.atCenterOf(this.startPos.relative(this.isHandle ? Direction.DOWN : this.initialOrientation.getOpposite())), 0);
+        Direction handleEjectDirection = switch (this.initialOrientation) {
+            case DOWN -> Direction.SOUTH;
+            case UP -> Direction.NORTH;
+            default -> Direction.DOWN;
+        };
+		Vec3 ejectPos = entity.toGlobalVector(Vec3.atCenterOf(this.startPos.relative(this.isHandle ? handleEjectDirection : this.initialOrientation.getOpposite())), 0);
 		Vec3 centerPos = entity.toGlobalVector(Vec3.atCenterOf(BlockPos.ZERO), 0);
 		ItemStack ejectStack = round.getSpentItem(foundProjectile);
 		if (!ejectStack.isEmpty()) {