RPKG
RPKGs (Resource Packages) are the archive format Glacier 2 Engine games use.
HITMAN 3
Base archive structure
| Type | Description |
|---|
| string | 2KPR |
| uint32_t | unknown (always seems to be 0x1) |
| uint8_t | chunk number |
| uint8_t | chunk type (0x00 standard, 0x01 addon) |
| uint8_t | chunk patch number |
| uint8_t | unknown (always seems to be 0x78) |
| uint8_t | unknown (always seems to be 0x78) |
| uint32_t | resource count |
| uint32_t | resource data table size |
resource data table, per entry:
| Type | Description |
|---|
| uint64_t | resource hash value (runtimeID) |
| uint64_t | resource data offset |
| uint32_t | resource (compressed) data size |
resource meta data table, per entry:
| Type | Description |
|---|
| unsigned char[4] | type extension |
| uint32_t | resource references table size |
| uint32_t | resource states table size (unused) |
| uint32_t | resource (uncompressed) size final |
| uint32_t | resource size requirement inside memory |
| uint32_t | resource size requirement inside video memory |
if the resource references table size is > 0 and there are hash references
| Type | Description |
|---|
| uint32_t | resource reference count |
reference flags, per entry:
| Type | Description |
|---|
| uint8_t | reference's flag |
reference RuntimeIDs, per entry:
| Type | Description |
|---|
| uint64_t | reference's runtimeID |
Patch archive structure
| Type | Description |
|---|
| string | 2KPR |
| uint32_t | unknown (always seems to be 0x1) |
| uint8_t | chunk number |
| uint8_t | chunk type (0x00 standard, 0x01 addon) |
| uint8_t | chunk patch number |
| uint8_t | unknown (always seems to be 0x78) |
| uint8_t | unknown (always seems to be 0x78) |
| uint32_t | resource count |
| uint32_t | resource data table size |
| uint32_t | patch deletion entry count |
patch entries (if patch deletion entry count > 0):
| Type | Description |
|---|
| uint64_t | resource hash value (runtimeID) |
resource data table, per entry:
| Type | Description |
|---|
| uint64_t | resource hash value (runtimeID) |
| uint64_t | resource data offset |
| uint32_t | resource (compressed) data size |
resource meta data table, per entry:
| Type | Description |
|---|
| unsigned char[4] | type extension |
| uint32_t | resource references table size |
| uint32_t | resource states table size (unused) |
| uint32_t | resource (uncompressed) size final |
| uint32_t | resource size requirement inside memory |
| uint32_t | resource size requirement inside video memory |
if the resource references table size is > 0 and there are hash references
| Type | Description |
|---|
| uint32_t | resource reference count |
reference flags, per entry:
| Type | Description |
|---|
| uint8_t | reference's flag |
reference RuntimeIDs, per entry:
| Type | Description |
|---|
| uint64_t | reference's runtimeID |