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refactor: General code clean up

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This commit is contained in:
Matthe815
2023-07-03 03:08:35 -04:00
parent c3fb6aa821
commit 43b7418558
1 changed files with 14 additions and 13 deletions
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27
server/channelserver/handlers_quest.go
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@@ -96,6 +96,8 @@ func readOriginalPointers(string_pointer int32, quest []byte) []byte {
quest_contractor_pointer := file_bytes.ReadInt32()
quest_description_pointer := file_bytes.ReadInt32()
// Read the strings in order to determine the length of the new string pointers for use in the new offsets
// It must seek to each initial pointer since the order is not consistent.
file_bytes.Seek(int64(quest_name_pointer), io.SeekStart)
quest_name_string := file_bytes.ReadNullTerminatedBytes()
file_bytes.Seek(int64(quest_main_pointer), io.SeekStart)
@@ -113,9 +115,10 @@ func readOriginalPointers(string_pointer int32, quest []byte) []byte {
file_bytes.Seek(int64(quest_description_pointer), io.SeekStart)
quest_description_string := file_bytes.ReadNullTerminatedBytes()
pointer_start := 352
new_pointers := byteframe.NewByteFrame()
new_pointers.SetLE()
pointer_start := 352
new_pointers.WriteInt32(int32(pointer_start))
new_pointers.WriteInt32(int32(pointer_start + len(quest_name_string) + 1))
@@ -157,19 +160,15 @@ func loadQuestFile(s *Session, quest_id string) []byte {
data_pointer := file_bytes.ReadInt32()
file_bytes.Seek(int64(data_pointer), io.SeekStart)
// Read the quest data.
quest_body := file_bytes.ReadBytes(320)
// The 320 bytes directly following the data pointer must go directly into the event's body, after the header and before the string pointers.
quest_body := byteframe.NewByteFrameFromBytes(file_bytes.ReadBytes(320))
quest_body.SetLE()
quest_body.Seek(40, io.SeekStart)
quest_pointer := byteframe.NewByteFrameFromBytes(quest_body)
quest_pointer.SetLE()
quest_pointer.Seek(40, io.SeekStart)
string_pointer := quest_pointer.ReadInt32()
strings := readOriginalPointers(string_pointer, decrypted)
strings := readOriginalPointers(quest_body.ReadInt32(), decrypted)
body := byteframe.NewByteFrame()
body.WriteBytes(quest_body)
body.WriteBytes(quest_body.Data())
body.Seek(0, io.SeekEnd)
body.WriteBytes(strings)
@@ -183,6 +182,8 @@ func makeEventQuest(s *Session, rows *sql.Rows) ([]byte, error) {
bf := byteframe.NewByteFrame()
bf.SetLE()
// Reconstructing the event-header itself. A lot of the data is not actually necessary for the quest to operate normally.
bf.WriteInt32(id)
bf.WriteInt32(0)
bf.WriteBytes([]byte{0x0F, byte(max_players), byte(quest_type), 0x01})
@@ -200,11 +201,11 @@ func makeEventQuest(s *Session, rows *sql.Rows) ([]byte, error) {
bf.WriteBytes(data)
// update checksum
// Update the checksum at pos 21, the checksum is determined the total length of the file minus 553 turned into a single byte.
bf.Seek(21, io.SeekStart)
bf.WriteUint8(uint8(len(bf.Data()) - 553))
// overwrite bytes at pos 62
// Overwrite the string-pointer at 62 to point at 320. This is always 320 and does not count the 22 from the event header.
bf.Seek(62, io.SeekStart)
bf.WriteInt16(320)