Saved game data: Difference between revisions
DansFriend (talk | contribs) (Created page with "This page documents ''MediEvil'' '''saved game data''' formats. ==''MediEvil'' (1998 original)== A PlayStation Memory Card data block consists of 64 frames. ===Frame 0=== This frame always contains metadata for the saved data itself. {| class="wikitable" ! Name ! Offset ! Value ! Meaning |- | '''Signature''' | 0x0 | SC | Signature for all PS1 saved game data. |- | '''Icon Flag''' | 0x2 | 11 | This means the icon for the saved game consists of a single image. |- | '''...") |
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{{Original research|author=[[User:DansFriend|Dan's Friend]] and [[User:Lazlo52|Lazlo52]]}} | |||
This page documents ''[[MediEvil]]'' '''saved game data''' formats. | This page documents ''[[MediEvil]]'' '''saved game data''' formats. | ||
==''MediEvil'' (1998 original)== | ==''MediEvil'' (1998 original)== | ||
A PlayStation Memory Card data block consists of 64 frames. | A PlayStation Memory Card data block consists of 64 frames. Each frame is 128 bytes long. | ||
===Frame 0=== | ===Frame 0=== | ||
This frame | This frame is the header for a block of PS1 saved data. | ||
{| class="wikitable" | {| class="wikitable" | ||
! Name | ! Name | ||
! Offset | ! Offset | ||
! Length | |||
! Value | ! Value | ||
! Meaning | ! Meaning | ||
|- | |- | ||
| ''' | | '''Magic''' | ||
| 0x0 | | 0x0 | ||
| 2 | |||
| SC | | SC | ||
| Signature for all PS1 saved game data. | | Signature for all PS1 saved game data. | ||
|- | |- | ||
| '''Icon | | '''Icon flag''' | ||
| 0x2 | | 0x2 | ||
| 1 | |||
| 11 | | 11 | ||
| This means the icon for the saved game consists of a single image. | | This means the icon for the saved game consists of a single image. | ||
|- | |- | ||
| ''' | | '''Number of blocks''' | ||
|0x3 | | 0x3 | ||
| 1 | |||
| 1 | | 1 | ||
| How many blocks the save will take up on a memory card. | | How many blocks the save will take up on a memory card. | ||
Line 27: | Line 32: | ||
| '''Title''' | | '''Title''' | ||
| 0x4 | | 0x4 | ||
| 64 | |||
| MediEvil | | MediEvil | ||
| Name of the saved game in Shift JIS format. | | Name of the saved game in Shift JIS format. | ||
|- | |- | ||
| '''Icon | | '''Icon colour palette''' | ||
| 0x96 | | 0x96 | ||
| | | 32 | ||
| [[File:MediEvil1998-MemoryCardIconPalette.png]] | |||
| Saved game icon colour palette. | | Saved game icon colour palette. | ||
|} | |} | ||
===Frame 1=== | ===Frame 1=== | ||
This frame is used to store | This frame is used to store a PS1 saved game icon: [[File:MediEvil-Memory-Card.png|16px]] | ||
===Frames 2-3=== | ===Frames 2-3=== | ||
These frames are reserved for additional | These frames are reserved for additional images in case the icon is meant to be animated, but are unused by ''MediEvil''. | ||
===Frames 4-34=== | ===Frames 4-34=== | ||
These frames contain the actual ''MediEvil'' saved game data. | These frames contain the actual ''MediEvil'' saved game data. | ||
====File header==== | |||
The header is 12 bytes long. | |||
{| class="wikitable" | {| class="wikitable" | ||
! Name | ! Name | ||
! Offset | ! Offset | ||
! Length | |||
! Value | ! Value | ||
! Meaning | ! Meaning | ||
|- | |- | ||
|''' | |'''Magic''' | ||
| | |0x0 | ||
|4 | |||
|60SM | |60SM | ||
|Signature for ''MediEvil'' saved game data. | |Signature for ''MediEvil'' saved game data. | ||
|- | |- | ||
|'''Saved | |'''Saved games''' | ||
| | |0x4 | ||
|1 | |||
|0-2 | |0-2 | ||
|The number of saved games. | |The number of saved games. | ||
|} | |} | ||
====Saved games==== | |||
The file can hold a maximum of three saved games. Each saved game is 1360 bytes long. | |||
=====Saved game===== | |||
{| class="wikitable" | |||
! colspan="5" | General | |||
|- | |||
! Name | |||
! Offset | |||
! Length | |||
! Value | |||
! Meaning | |||
|- | |||
|'''Checksum''' | |||
| 0x0 | |||
| 4 | |||
| Number | |||
| Used to verify saved game integrity. Uses the Checksum-16 algorithm. | |||
|- | |||
|'''Level index''' | |||
|0x4 | |||
|2 | |||
|{{CollapsibleContent|show=see more|hide=see less|width=14em|01 - The Graveyard|02 - Return to the Graveyard<br>03 - Cemetery Hill<br>04 - The Hilltop Mausoleum<br>05 - Scarecrow Fields<br>06 - Dan's Crypt<br>07 - The Ant Caves<br>08 - The Crystal Caves<br>09 - Pumpkin Gorge<br>0A - The Pumpkin Serpent<br>0B - The Sleeping Village<br>0C - Pools Of The Ancient Dead<br>0D - The Asylum Grounds<br>0E - Inside The Asylum<br>0F - The Enchanted Earth<br>10 - The Gallows Gauntlet<br>11 - The Haunted Ruins<br>12 - Hall of Heroes<br>13 - The Ghost Ship<br>14 - The Entrance Hall<br>15 - The Time Device<br>16 - The Lake<br>17 - Zarok's Lair<br>18 - *Programmers's Playground}} | |||
|The index of the level the name of which will be displayed on the saved game tombstone and in the save game menu. Although 00 should be "<nowiki>*</nowiki>Title Level", setting the value to this will make the saved game unselectable. | |||
|- | |||
|'''Save game count''' | |||
|0x6 | |||
|2 | |||
|Number | |||
|Number of times the game has been saved. | |||
|- | |||
|'''Time played''' | |||
|0x1C | |||
|4 | |||
|Number | |||
|Time the player has played the game for. Displayed on the tombstones in the main menu and on the save game screen. | |||
|- | |||
|'''Current weapon''' | |||
|0x2C | |||
|1 | |||
|{{CollapsibleContent|show=see more|hide=see less|width=12.75em|00 - Small Sword|01 - Broad Sword<br>02 - Magic Sword<br>03 - Throwing Daggers<br>04 - Axe<br>05 - Club<br>06 - Crossbow<br>07 - Chicken Drumsticks<br>08 - Arm<br>09 - Lightning<br>0A - Longbow<br>0B - Spear<br>0C - Hammer<br>0D Flaming Longbow<br>0E - Magic Longbow<br>0F - Good Lightning<br>10 - Dragon Armour<br>11 - Chaos Rune<br>12 - None}} | |||
|The weapon Dan is currently wielding. | |||
|- | |||
|'''Current shield''' | |||
|0x30 | |||
|1 | |||
|{{CollapsibleContent|show=see more|hide=see less|width=12.75em|00 - None|01 - Copper Shield<br>02 - Silver Shield<br>03 - Gold Shield}} | |||
|The shield Dan is currently wielding. If set without having set its durability in the inventory, it will immediately break. | |||
|- | |||
|'''Current map position''' | |||
|0x4C | |||
|1 | |||
|{{CollapsibleContent|show=see more|hide=see less|width=12.75em|00 - Dan's Crypt|01 - The Graveyard<br>02 - Return to the Graveyard<br>03 - Cemetery Hill<br>04 - The Hilltop Mausoleum<br>05 - Scarecrow Fields<br>06 - The Enchanted Earth<br>07 - Pumpkin Gorge<br>08 - The Pumpkin Serpent<br>09 - The Sleeping Village<br>0A - The Asylum Grounds<br>0B - Inside The Asylum<br>0C - Pools Of The Ancient Dead<br>0D - The Lake<br>0E - The Crystal Caves<br>0F - The Gallows Gauntlet<br>10 - The Haunted Ruins<br>11 - The Ghost Ship<br>12 - The Entrance Hall<br>13 - The Time Device<br>14 - Zarok's Lair}} | |||
|Dan's current position on the map. Setting this to a level that is locked will allow Dan to enter that level, but may create a softlocked saved game if previous levels are not unlocked on the map. | |||
|- | |||
! colspan="5" | Inventory | |||
|- | |||
! Name | |||
! Offset | |||
! Length | |||
! Value | |||
! Meaning | |||
|- | |||
|'''Small Sword''' | |||
|0xA0 | |||
|4 | |||
|<code>FF FF 00 00</code> | |||
|The default value is <code>FF FF 00 00</code>, which means Dan doesn't have the Small Sword in his inventory. It is set to <code>00 00 00 00</code> when Dan obtains it. | |||
|- | |||
|'''Copper Shield''' | |||
|0x128 | |||
|4 | |||
|<code>FF FF 00 00</code> | |||
|The default value is <code>FF FF 00 00</code>, which means Dan doesn't have the Copper Shield in his inventory. It is set to <code>96 00 00 00</code> (150) when Dan obtains it, which is the durability of the shield. | |||
|- | |||
! colspan="5" | Level Changes | |||
|- | |||
! Name | |||
! Offset | |||
! Length | |||
! Value | |||
! Meaning | |||
|- | |||
| '''Length of array''' | |||
| 0x14C | |||
| 4 | |||
| 0-256 | |||
| Length of the "level changes" array. The array grows each time something happens that should change a level permanently on replays. | |||
|- | |||
| '''Start of array''' | |||
| 0x150 | |||
| Length of array * 4 | |||
| <code>00 00 00 00</code> | |||
|This is where the "level changes" array begins. The maximum amount of members in the array is 256 (1024 bytes). | |||
|- | |||
| '''CR - don't play starting cutscene''' | |||
| N/A | |||
| 4 | |||
| <code>06 00 21 B6</code> | |||
|Makes it so that the cutscene at the beginning of Dan's Crypt with the Information Gargoyles is skipped. | |||
|- | |||
| '''CR - hide Small Sword''' | |||
| N/A | |||
| 4 | |||
| <code>06 01 36 B3</code> | |||
|Removes the Small Sword pickup from Dan's Crypt. | |||
|- | |||
| '''CR - Life Bottle on dirt mound to moneybag''' | |||
| N/A | |||
| 4 | |||
| <code>06 01 E4 B5</code> | |||
|Changes the Life Bottle on the dirt mound in Dan's Crypt into a moneybag. | |||
|- | |||
| '''CR - secret Life Bottle to moneybag''' | |||
| N/A | |||
| 4 | |||
| <code>06 01 C6 B6</code> | |||
|Changes the Life Bottle behind the breakable wall in Dan's Crypt into a moneybag. | |||
|} | |||
===Frames 35 to 63=== | ===Frames 35 to 63=== | ||
These are unused. | These are unused. | ||
==Navigation== | ==Navigation== | ||
{{Empty section|Navigation}} | {{Empty section|Navigation}} | ||
[[Category:Files in MediEvil]] | [[Category:Files in MediEvil]] |
Latest revision as of 14:54, 21 November 2024
- The following article contains original research by Dan's Friend and Lazlo52.
This page documents MediEvil saved game data formats.
MediEvil (1998 original)
A PlayStation Memory Card data block consists of 64 frames. Each frame is 128 bytes long.
Frame 0
This frame is the header for a block of PS1 saved data.
Frame 1
This frame is used to store a PS1 saved game icon:
Frames 2-3
These frames are reserved for additional images in case the icon is meant to be animated, but are unused by MediEvil.
Frames 4-34
These frames contain the actual MediEvil saved game data.
File header
The header is 12 bytes long.
Name | Offset | Length | Value | Meaning |
---|---|---|---|---|
Magic | 0x0 | 4 | 60SM | Signature for MediEvil saved game data. |
Saved games | 0x4 | 1 | 0-2 | The number of saved games. |
Saved games
The file can hold a maximum of three saved games. Each saved game is 1360 bytes long.
Saved game
General | ||||
---|---|---|---|---|
Name | Offset | Length | Value | Meaning |
Checksum | 0x0 | 4 | Number | Used to verify saved game integrity. Uses the Checksum-16 algorithm. |
Level index | 0x4 | 2 | 01 - The Graveyard
02 - Return to the Graveyard |
The index of the level the name of which will be displayed on the saved game tombstone and in the save game menu. Although 00 should be "*Title Level", setting the value to this will make the saved game unselectable. |
Save game count | 0x6 | 2 | Number | Number of times the game has been saved. |
Time played | 0x1C | 4 | Number | Time the player has played the game for. Displayed on the tombstones in the main menu and on the save game screen. |
Current weapon | 0x2C | 1 | 00 - Small Sword
01 - Broad Sword |
The weapon Dan is currently wielding. |
Current shield | 0x30 | 1 | 00 - None
01 - Copper Shield |
The shield Dan is currently wielding. If set without having set its durability in the inventory, it will immediately break. |
Current map position | 0x4C | 1 | 00 - Dan's Crypt
01 - The Graveyard |
Dan's current position on the map. Setting this to a level that is locked will allow Dan to enter that level, but may create a softlocked saved game if previous levels are not unlocked on the map. |
Inventory | ||||
Name | Offset | Length | Value | Meaning |
Small Sword | 0xA0 | 4 | FF FF 00 00
|
The default value is FF FF 00 00 , which means Dan doesn't have the Small Sword in his inventory. It is set to 00 00 00 00 when Dan obtains it.
|
Copper Shield | 0x128 | 4 | FF FF 00 00
|
The default value is FF FF 00 00 , which means Dan doesn't have the Copper Shield in his inventory. It is set to 96 00 00 00 (150) when Dan obtains it, which is the durability of the shield.
|
Level Changes | ||||
Name | Offset | Length | Value | Meaning |
Length of array | 0x14C | 4 | 0-256 | Length of the "level changes" array. The array grows each time something happens that should change a level permanently on replays. |
Start of array | 0x150 | Length of array * 4 | 00 00 00 00
|
This is where the "level changes" array begins. The maximum amount of members in the array is 256 (1024 bytes). |
CR - don't play starting cutscene | N/A | 4 | 06 00 21 B6
|
Makes it so that the cutscene at the beginning of Dan's Crypt with the Information Gargoyles is skipped. |
CR - hide Small Sword | N/A | 4 | 06 01 36 B3
|
Removes the Small Sword pickup from Dan's Crypt. |
CR - Life Bottle on dirt mound to moneybag | N/A | 4 | 06 01 E4 B5
|
Changes the Life Bottle on the dirt mound in Dan's Crypt into a moneybag. |
CR - secret Life Bottle to moneybag | N/A | 4 | 06 01 C6 B6
|
Changes the Life Bottle behind the breakable wall in Dan's Crypt into a moneybag. |
Frames 35 to 63
These are unused.
|