1 files changed, 62 insertions, 0 deletions
diff --git a/comp2511/blackout/DeviceBase.java b/comp2511/blackout/DeviceBase.java
new file mode 100644
index 0000000..8f0b06e
--- /dev/null
+++ b/comp2511/blackout/DeviceBase.java
@@ -0,0 +1,62 @@
+package unsw.blackout;
+
+import java.util.Optional;
+
+import unsw.utils.Angle;
+import unsw.utils.MathsHelper;
+import static unsw.utils.MathsHelper.RADIUS_OF_JUPITER;
+
+public abstract class DeviceBase extends EntityBase {
+
+    /**
+     * DeviceBase is an abstract class containing common functionality between devices.
+     */
+    public DeviceBase(String deviceID, Angle position) {
+        super(deviceID, position, RADIUS_OF_JUPITER);
+    }
+
+    @ Override
+    final public double getVelocity() {
+        return 0.0; // Devices do not move.
+    }
+    @ Override
+    final protected boolean isSupportedEntity(EntityBase entity) {
+        if (entity instanceof DeviceBase) {
+            return false;
+        }
+        return true;
+    }
+    @ Override
+    final protected boolean isPhysicallyReachable(EntityBase entity) {
+        if (!(entity instanceof SatelliteBase)) {
+            return false;
+        }
+        if (!MathsHelper.isVisible(entity.getHeight(), entity.getAngle(), this.getAngle())) {
+            return false;
+        }
+        if (MathsHelper.getDistance(entity.getHeight(), entity.getAngle(), this.getAngle()) > this.getRange()) {
+            return false;
+        }
+        return true;
+    }
+    
+    final protected Optional<Integer> getFileStoreLimit() {
+        return Optional.empty(); // Infinite file storage limit.
+    }
+    final protected Optional<Integer> getByteStoreLimit() {
+        return Optional.empty(); // Infinite byte storage limit.
+    }
+    final protected Optional<Integer> getByteDownloadSpeed() {
+        return Optional.empty(); // Infinite download speed
+    }
+    final protected Optional<Integer> getByteUploadSpeed() {
+        return Optional.empty(); // Infinite upload speed.
+    }
+
+    /**
+     * Adds a file without any bandwidth operation taking place.
+     */
+    void addFile(String filename, String contents) {
+        this.getReceivedFiles().add(new File(filename, contents, contents.length(), this.getId()));
+    }
+}
+\ No newline at end of file