implement save file decryption/encryption

2023-03-31 23:56:25 -07:00
parent 06ba95ed97
commit 3b9a76eec8
39 changed files with 666 additions and 205 deletions
@@ -10,6 +10,7 @@

 #include "../Loggers.hh"
 #include "../Compression.hh"
+#include "../PSOEncryption.hh"
 #include "../Text.hh"
 #include "../Quest.hh"

@@ -1712,4 +1713,33 @@ shared_ptr<const COMDeckDefinition> DataIndex::random_com_deck() const {



+void PlayerConfig::decrypt() {
+  if (!this->is_encrypted) {
+    return;
+  }
+  decrypt_trivial_gci_data(
+      &this->card_counts,
+      offsetof(PlayerConfig, decks) - offsetof(PlayerConfig, card_counts),
+      this->basis);
+  this->is_encrypted = 0;
+  this->basis = 0;
+}
+
+void PlayerConfig::encrypt(uint8_t basis) {
+  if (this->is_encrypted) {
+    if (this->basis == basis) {
+      return;
+    }
+    this->decrypt();
+  }
+  decrypt_trivial_gci_data(
+      &this->card_counts,
+      offsetof(PlayerConfig, decks) - offsetof(PlayerConfig, card_counts),
+      basis);
+  this->is_encrypted = 1;
+  this->basis = basis;
+}
+
+
+
 } // namespace Episode3