implement savechar/loadchar on DCv2 and Xbox

This commit is contained in:
Martin Michelsen
2024-05-12 21:07:56 -07:00
parent 625e8e0624
commit 2ff75fe132
17 changed files with 350 additions and 10 deletions
@@ -0,0 +1,13 @@
.meta hide_from_patches_menu
.meta name="SetExtendedPlayerInfo"
.meta description=""
entry_ptr:
reloc0:
.offsetof start
start:
.include SetExtendedPlayerInfoDC
data:
.data 0x8C4EC4E0 # char_file_part1
.data 0x8C4EC4E4 # char_file_part2
# Server adds a PSODCV2CharacterFile here
@@ -0,0 +1,13 @@
.meta hide_from_patches_menu
.meta name="SetExtendedPlayerInfo"
.meta description=""
entry_ptr:
reloc0:
.offsetof start
start:
.include SetExtendedPlayerInfoDC
data:
.data 0x8C4EC4E0 # char_file_part1
.data 0x8C4EC4E4 # char_file_part2
# Server adds a PSODCV2CharacterFile here
@@ -0,0 +1,13 @@
.meta hide_from_patches_menu
.meta name="SetExtendedPlayerInfo"
.meta description=""
entry_ptr:
reloc0:
.offsetof start
start:
.include SetExtendedPlayerInfoDC
data:
.data 0x8C4E5F80 # char_file_part1
.data 0x8C4E5F84 # char_file_part2
# Server adds a PSODCV2CharacterFile here
@@ -0,0 +1,13 @@
.meta hide_from_patches_menu
.meta name="SetExtendedPlayerInfo"
.meta description=""
entry_ptr:
reloc0:
.offsetof start
start:
.include SetExtendedPlayerInfoDC
data:
.data 0x8C4DB9E0 # char_file_part1
.data 0x8C4DB9E4 # char_file_part2
# Server adds a PSODCV2CharacterFile here
@@ -0,0 +1,13 @@
.meta hide_from_patches_menu
.meta name="SetExtendedPlayerInfo"
.meta description=""
entry_ptr:
reloc0:
.offsetof start
start:
.include SetExtendedPlayerInfoXB
data:
.data 0x00632E04 # char_file_part1
.data 0x00632EA8 # char_file_part2
# Server adds a PSOXBCharacterFileCharacter here
@@ -0,0 +1,13 @@
.meta hide_from_patches_menu
.meta name="SetExtendedPlayerInfo"
.meta description=""
entry_ptr:
reloc0:
.offsetof start
start:
.include SetExtendedPlayerInfoXB
data:
.data 0x0063269C # char_file_part1
.data 0x00632740 # char_file_part2
# Server adds a PSOXBCharacterFileCharacter here
@@ -0,0 +1,13 @@
.meta hide_from_patches_menu
.meta name="SetExtendedPlayerInfo"
.meta description=""
entry_ptr:
reloc0:
.offsetof start
start:
.include SetExtendedPlayerInfoXB
data:
.data 0x0062D844 # char_file_part1
.data 0x0062D8E8 # char_file_part2
# Server adds a PSOXBCharacterFileCharacter here
@@ -0,0 +1,13 @@
.meta hide_from_patches_menu
.meta name="SetExtendedPlayerInfo"
.meta description=""
entry_ptr:
reloc0:
.offsetof start
start:
.include SetExtendedPlayerInfoXB
data:
.data 0x0062DDE4 # char_file_part1
.data 0x0062DE88 # char_file_part2
# Server adds a PSOXBCharacterFileCharacter here
@@ -0,0 +1,13 @@
.meta hide_from_patches_menu
.meta name="SetExtendedPlayerInfo"
.meta description=""
entry_ptr:
reloc0:
.offsetof start
start:
.include SetExtendedPlayerInfoXB
data:
.data 0x0063591C # char_file_part1
.data 0x006359C0 # char_file_part2
# Server adds a PSOXBCharacterFileCharacter here
@@ -0,0 +1,13 @@
.meta hide_from_patches_menu
.meta name="SetExtendedPlayerInfo"
.meta description=""
entry_ptr:
reloc0:
.offsetof start
start:
.include SetExtendedPlayerInfoXB
data:
.data 0x00632E04 # char_file_part1
.data 0x00632EA8 # char_file_part2
# Server adds a PSOXBCharacterFileCharacter here
@@ -0,0 +1,13 @@
.meta hide_from_patches_menu
.meta name="SetExtendedPlayerInfo"
.meta description=""
entry_ptr:
reloc0:
.offsetof start
start:
.include SetExtendedPlayerInfoXB
data:
.data 0x0063319C # char_file_part1
.data 0x00633240 # char_file_part2
# Server adds a PSOXBCharacterFileCharacter here
@@ -0,0 +1,83 @@
start:
sts.l -[r15], pr
mova r0, [data] # r8 = data pointer
mov r7, r0
# memcpy(char_file_part1, inbound_part1, sizeof(char_file_part1))
mov.l r4, [r7]
mov.l r4, [r4]
mov r5, r7
add r5, 8
calls memcpy
mov.l r6, [part1_size]
# First, copy some important fields out of the saved character so that the
# game won't consider the character corrupt. Note that r5 already points to
# inbound_part2 here since it immediately follows inbound_part1.
mov.l r4, [r7 + 4]
mov.l r4, [r4]
mov r1, r4 # r1 = character_file_part2
mov r2, r5 # r2 = inbound_part2
mov r4, r2
mov r5, r1
mov.l r0, [r5 + 0x04] # creation_timestamp
mov.l [r4 + 0x04], r0
mov.l r0, [r5 + 0x08] # signature
mov.l [r4 + 0x08], r0
add r4, 0x14
add r5, 0x14
calls memcpy # save_count, ppp_username, ppp_password (0x30 bytes total)
mov r6, 0x30
mov r4, r2
mov r5, r1
mov.l r0, [v1_creds_offset]
add r4, r0
add r5, r0
calls memcpy # v1_serial_number, v1_access_key
mov r6, 0x20
mov r4, r2
mov r5, r1
mov.l r0, [v2_creds_offset]
add r4, r0
add r5, r0
calls memcpy # v2_serial_number, v2_access_key
mov r6, 0x20
# memcpy(char_file_part2, inbound_part2, sizeof(char_file_part2))
mov r4, r1
mov r5, r2
calls memcpy
mov.l r6, [part2_size]
lds.l pr, [r15]+
rets
mov r0, 0
memcpy:
test r6, r6
bt memcpy_done
mov.l r0, [r5]+
mov.l [r4], r0
add r4, 4
bs memcpy
add r6, -4
memcpy_done:
rets
nop
.align 4
part1_size:
.data 0x0000041C
part2_size:
.data 0x000012D8
v1_creds_offset:
.data 0x0000118C
v2_creds_offset:
.data 0x000012B8
.align 4
data:
@@ -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