implement savechar/loadchar on DCv2 and Xbox

2024-05-12 21:07:56 -07:00
parent 625e8e0624
commit 2ff75fe132
17 changed files with 350 additions and 10 deletions
@@ -0,0 +1,39 @@
+  push ebx
+
+  jmp    get_data_ptr
+get_data_ptr_ret:
+  pop    ebx
+
+  # Copy part1 data into place
+  mov    eax, [ebx]
+  mov    eax, [eax]
+  lea    edx, [ebx + 8]
+  mov    ecx, 0x041C
+  call   memcpy
+
+  # Copy part2 data into place, but retain the values of a few metadata fields
+  # so the game won't think the file is corrupt
+  mov    eax, [ebx + 4]
+  mov    eax, [eax]
+  push   dword [eax + 0x04]  # creation_timestamp
+  push   dword [eax + 0x08]  # signature
+  push   dword [eax + 0x14]  # save_count
+  lea    edx, [ebx + 0x0424]
+  mov    ecx, 0x23B8  # Intentionally skip the last 0xF0 bytes since they aren't populated by the server
+  call   memcpy
+  mov    eax, [ebx + 4]
+  mov    eax, [eax]
+  pop    dword [eax + 0x14]  # save_count
+  pop    dword [eax + 0x08]  # signature
+  pop    dword [eax + 0x04]  # creation_timestamp
+
+  mov    eax, 1
+  pop    ebx
+  ret
+
+memcpy:
+  .include CopyData
+  ret
+
+get_data_ptr:
+  call   get_data_ptr_ret