PSOV3EncryptionTCP: Add, and fully match `PSOV3EncryptionTCP`

That was way easier than I expected, I thought it'd take a lot longer
than this.

1 files changed, 29 insertions, 0 deletions

diff --git a/src/pso/PSOV3EncryptionTCP.cpp b/src/pso/PSOV3EncryptionTCP.cpp
new file mode 100644
index 0000000..737c510
--- /dev/null
+++ b/src/pso/PSOV3EncryptionTCP.cpp
@@ -0,0 +1,29 @@
+#include <global_types.h>
+#include <string.h>
+#include "pso/macros.h"
+#include "pso/PSOV3EncryptionTCP.h"
+#include "pso/TArray.h"
+
+void PSOV3EncryptionTCP::encrypt(void *void_data, int size) {
+	u32 *data = reinterpret_cast<u32 *>(void_data);
+	size = (size + 3) / 4;
+	for (int i = 0; i < size; ++i) {
+		bswap_32(&data[i]);
+		data[i] ^= next();
+		bswap_32(&data[i]);
+	}
+}
+
+void PSOV3EncryptionTCP::reset(u32 seed) {
+	m_seed = seed;
+	init(seed);
+}
+
+PSOV3EncryptionTCP::~PSOV3EncryptionTCP() {
+
+}
+
+PSOV3EncryptionTCP::PSOV3EncryptionTCP() : PSOV3Encryption() {
+	reset(0);
+}
+