Files
skywalker-saga/LegoBlobReader/LegoBlobReader.cpp
2022-05-19 13:25:25 -05:00

502 lines
16 KiB
C++

// LegoBlobReader.cpp : This file contains the 'main' function. Program execution begins and ends there.
//
#include <conio.h>
#include <stdio.h>
#include <malloc.h>
#include <math.h>
#include <algorithm>
#include <string>
#include <vector>
typedef unsigned char byte;
typedef unsigned short uint16;
typedef unsigned int uint32;
typedef __int64 int64;
static char const* FILE_NAME = "GAMEPROGRESS.BLOB";
//--------------------------------------------------------------------------------------------------------
static void FlipBytes(void* data, size_t buffer_len)
{
byte* buffer = (byte*)data;
size_t flip_count = buffer_len >> 1;
for (size_t i = 0; i < flip_count; ++i) {
std::swap(buffer[i], buffer[buffer_len - i - 1]);
}
}
//--------------------------------------------------------------------------------------------------------
struct type_info_t
{
std::string name;
size_t byte_size;
inline bool is_valid() const { return byte_size > 0; }
};
//--------------------------------------------------------------------------------------------------------
struct class_member_info_t
{
std::string name;
type_info_t const* type;
};
//--------------------------------------------------------------------------------------------------------
struct class_info_t
{
std::string name;
std::vector<class_member_info_t> members;
};
//--------------------------------------------------------------------------------------------------------
// Globals
//--------------------------------------------------------------------------------------------------------
std::vector<type_info_t> Types;
std::vector<class_info_t> Classes;
//--------------------------------------------------------------------------------------------------------
//--------------------------------------------------------------------------------------------------------
class BinaryReader
{
public:
BinaryReader(char const* filename);
~BinaryReader();
bool is_valid() const { return (nullptr != m_buffer); }
bool is_finished() const { return m_offset >= m_byte_size; }
public: // accessors
size_t get_byte_size() const { return m_byte_size; }
size_t get_read_offset() const { return m_offset; }
size_t get_bytes_remaining() const { return get_byte_size() - get_read_offset(); }
byte* get_read_head() const { return m_buffer + m_offset; }
void set_read_offset(size_t offset) { m_offset = offset; }
public: // functions
bool skip(size_t num_bytes);
bool read_bytes(void* dst, size_t num_bytes);
std::string read_string();
template <typename T>
T read(T const& def_value)
{
T val;
if (read_bytes(&val, sizeof(T))) {
// FlipBytes(&val, sizeof(T));
return val;
} else {
return def_value;
}
}
bool read_type_info(type_info_t* out);
public: // operators
byte operator[](size_t offset) const { return m_buffer[offset]; }
public:
byte* m_buffer = nullptr;
size_t m_byte_size = 0;
size_t m_offset = 0;
};
//--------------------------------------------------------------------------------------------------------
// BinearyReader implementation
//--------------------------------------------------------------------------------------------------------
//--------------------------------------------------------------------------------------------------------
BinaryReader::BinaryReader(char const* filename)
{
FILE* fp = nullptr;
::fopen_s(&fp, filename, "rb");
if (nullptr == fp) {
return;
}
::fseek(fp, 0, SEEK_END);
size_t eof = ::ftell(fp);
::fseek(fp, 0, SEEK_SET);
m_buffer = (byte*) ::malloc(eof);
if (nullptr != m_buffer) {
m_byte_size = ::fread(m_buffer, 1, eof, fp);
}
::fclose(fp);
}
//--------------------------------------------------------------------------------------------------------
BinaryReader::~BinaryReader()
{
if (nullptr != m_buffer) {
delete m_buffer;
m_buffer = nullptr;
}
}
//--------------------------------------------------------------------------------------------------------
bool BinaryReader::skip(size_t num_bytes)
{
if (get_bytes_remaining() < num_bytes) {
return false;
}
m_offset += num_bytes;
return true;
}
//--------------------------------------------------------------------------------------------------------
bool BinaryReader::read_bytes(void* dst, size_t num_bytes)
{
byte* src = get_read_head();
if (!skip(num_bytes)) {
return false;
}
::memcpy(dst, src, num_bytes);
return true;
}
//--------------------------------------------------------------------------------------------------------
std::string BinaryReader::read_string()
{
uint32 len = read<uint32>(0);
std::string str;
if (len > 0) {
str.resize(len + 1);
read_bytes(&str[0], len);
str[len] = 0;
}
return str;
}
//--------------------------------------------------------------------------------------------------------
bool BinaryReader::read_type_info(type_info_t* out)
{
read<uint32>(0); // offset to next
read_string(); // "type"
out->name = read_string();
out->byte_size = read<uint32>(0);
return out->is_valid();
}
//--------------------------------------------------------------------------------------------------------
// termination function for file reading - just prints where we left off
//--------------------------------------------------------------------------------------------------------
static void DisplayProgress(BinaryReader const& reader)
{
size_t bytes_to_show = reader.get_bytes_remaining();
bytes_to_show = std::min<size_t>(bytes_to_show, 16);
size_t offset = reader.get_read_offset();
printf("\n\n--== PROGRESS ==--\nAt %u (0x%08x) into buffer... Next %u byte(s) are...\n> ", offset, offset, bytes_to_show);
for (size_t i = 0; i < bytes_to_show; ++i) {
byte b = reader[offset + i];
printf("%02X ", b);
}
printf("<\n\n");
}
//--------------------------------------------------------------------------------------------------------
//--------------------------------------------------------------------------------------------------------
static void ParseTypes(BinaryReader& reader)
{
uint32 type_block_size = reader.read<uint32>(0); // 0x02f4
std::string typelist = reader.read_string();
uint32 type_count = reader.read<uint32>(0); // 0x1A?std::vector<type_info_t> types;
printf("\n======\nType List (%u total types)...\n", type_count);
for (uint32 i = 0; i < type_count; ++i) {
type_info_t type;
reader.read_type_info(&type);
// push even bad types in to keep the index
Types.push_back(type);
if (type.is_valid()) {
printf("> Type [%02u]: %s (%u B)\n", i, type.name.c_str(), type.byte_size);
}
else {
printf("> Type [%02u]: REDACTED\n", i);
}
}
}
//--------------------------------------------------------------------------------------------------------
//--------------------------------------------------------------------------------------------------------
static void ParseClasses(BinaryReader& reader)
{
uint32 class_block_size = reader.read<uint32>(0);
uint32 end_of_class = reader.get_read_offset() + class_block_size - sizeof(uint32);
std::string classlist = reader.read_string();
uint32 class_count = reader.read<uint32>(0);
printf("\n======\nClass List (%u total classes)...\n", class_count);
for (uint32 i = 0; i < class_count; ++i) {
class_info_t class_info;
uint32 class_size = reader.read<uint32>(0); // to skip to end of this class
std::string class_id = reader.read_string(); // "Class"
class_info.name = reader.read_string();
printf("\n> [%u] class: %s\n:", i, class_info.name.c_str());
uint32 some_count = reader.read<uint32>(0);
std::string ver_str = reader.read_string(); // "Version"
uint32 ver_num_maybe = reader.read<uint32>(0);
uint32 offset_maybe = reader.read<uint32>(0);
std::string types_str = reader.read_string(); // "Types"
reader.skip(1); // 0
uint32 mem_count = reader.read<uint32>(0); // 0x07 ?
printf(">> member count: %u\n", mem_count);
for (uint32 mi = 0; mi < mem_count; ++mi) {
uint32 type_idx = reader.read<uint32>(0); // 0x02 ?
type_info_t const& type = Types[type_idx];
std::string mem_name = reader.read_string();
printf(" %s : %s;\n", mem_name.c_str(), type.name.c_str());
class_member_info_t mem_info;
mem_info.name = mem_name;
mem_info.type = &type;
class_info.members.push_back(mem_info);
// uint16 skip_to_next = reader.read<uint16>(0);
/*
uint32 type_size = type.byte_size;
if (type_size != ~0U) {
reader.skip(type_size); // def value - based on type
}
*/
/*
uint32 const STOP_VALUE = 0x80'00'00'00;
uint32 val = reader.read<uint32>(STOP_VALUE);
while (val != STOP_VALUE) {
val = reader.read<uint32>(STOP_VALUE);
}
*/
uint32 v0 = reader.read<uint32>(0);
uint32 v1 = reader.read<uint32>(0);
uint32 v2 = reader.read<uint32>(0);
uint32 v3 = reader.read<uint32>(0);
uint32 v4 = reader.read<uint32>(0);
printf(" %08X %08X %08X %08X %08X (%s)\n", v0, v1, v2, v3, v4, type.name.c_str());
Classes.push_back(class_info);
}
}
}
//--------------------------------------------------------------------------------------------------------
//--------------------------------------------------------------------------------------------------------
static void ParseOLST(BinaryReader& reader, size_t end_of_section)
{
reader.read<uint32>(0); // 1 - subobject count?
reader.read<uint16>(0); // skip two bytes, why? type? (0)
reader.read<uint32>(0); // sub section len? 0x098c (probably how much room is left)
std::string subobj_name = reader.read_string(); // MOBJ - map object?
reader.read<uint32>(0); // 0
reader.read<uint32>(0); // 9 - number of episode sections to read.
//------
// cut1
std::string path0 = reader.read_string(); // cut/story/ep1/ep1_main/ep1_mainintro_sequence.scene_baked
reader.read_string(); // ""
reader.read_string(); // ""
reader.read_string(); // ""
// level1
std::string path1 = reader.read_string(); //levels/hub/prelevels/episode_01/ep1_prelevel_01/ep1pl01_catchupcrawl.scene_baked
reader.read_string(); // ""
reader.read<uint32>(0); // 0
reader.read<uint32>(0); // 0
reader.read<byte>(0); // 1
reader.read_string(); // ""
reader.read_string(); // ""
reader.read<uint16>(0); //0
reader.read_string();
// ep1
std::string ep01 = reader.read_string(); // Episode1
reader.read<uint16>(0); // 0
//------
// cut
std::string cut2 = reader.read_string(); // cut/story/ep2/ep2_main/ep2_mainintro_sequence.scene_baked
reader.read_string(); // ""
reader.read_string(); // ""
reader.read_string(); // ""
// level
std::string level2 = reader.read_string(); // levels/hub/prelevels/episode_02/ep2_prelevel_01/ep2pl01_catchupcrawl.scene_baked
reader.read_string(); // ""
reader.read<uint32>(0); // 0
reader.read<uint32>(0); // 0
reader.read<byte>(0); // 1
reader.read_string(); // ""
reader.read_string(); // ""
reader.read<uint16>(0); //0
reader.read_string();
// ep
std::string ep2 = reader.read_string(); // Episode2
reader.read<uint16>(0); // 0
//------
// cut
std::string cut3 = reader.read_string(); // cut/story/ep3/ep3_main/ep3_mainintro_sequence.scene_baked
reader.read_string(); // ""
reader.read_string(); // ""
reader.read_string(); // ""
// level
std::string level3 = reader.read_string(); // levels/hub/prelevels/episode_03/ep3_prelevel_01/ep3pl01_catchupcrawl.scene_baked
reader.read_string(); // ""
reader.read<uint32>(0); // 0
reader.read<uint32>(0); // 0
reader.read<byte>(0); // 1
reader.read_string(); // ""
reader.read_string(); // ""
reader.read<uint16>(0); //0
reader.read_string();
// ep
std::string ep3 = reader.read_string(); // Episode3
reader.read<uint16>(0); // 0
//------
// cut
std::string hub1 = reader.read_string(); // Levels/Hub/Planets/Tatooine/Locations/Settlements/Tatooine_desertArea/tatooine_desertarea.scene_baked
std::string arrive1 = reader.read_string(); // ArrivalPointFrom4_1
std::string hub2 = reader.read_string(); // Levels/Hub/Planets/Tatooine/Locations/Settlements/Tatooine_desertArea/tatooine_desertarea.scene_baked
std::string arrive2 = reader.read_string(); // ArrivalPointFrom4_1
// level
std::string hub3 = reader.read_string(); // levels/hub/prelevels/episode_04/ep4_prelevel_02/e04pl02_catchupcrawl.scene_baked
reader.read_string(); // ""
// two names?
reader.read<uint32>(0); // 2
reader.read_string(); // "BB8"
reader.read_string(); // "Greedo"
reader.read<uint32>(0); // 2
reader.read_string(); // "FirstOrder_SFTIEFighter"
reader.read_string(); // "Naboo_Yacht"
reader.read<byte>(0); // false
reader.read_string(); // "Prelevels"
reader.read_string(); // "Ep4Pre2"
reader.read<uint16>(0); // 1
reader.read_string(); // "HYPERSPACE_LOCKED"
std::string test = reader.read_string(); // "Episode4"
reader.read<uint16>(0); // 1
DisplayProgress(reader); //
}
//--------------------------------------------------------------------------------------------------------
// main file reading function
//--------------------------------------------------------------------------------------------------------
static void ParseBuffer(BinaryReader& reader)
{
uint32 version = reader.read<uint32>(0);
printf("Version: %u\n", version);
std::string streaminfo = reader.read_string();
printf("Label: %s\n", streaminfo.c_str());
uint32 unknown0 = reader.read<uint32>(0); // 0x33
uint32 unknown1 = reader.read<uint32>(0); // 0x01
uint32 unknown2 = reader.read<uint32>(0); // 0x00
ParseTypes(reader);
ParseClasses(reader);
// print the sections
printf("\n\n\n----------------------------\nReading Sections\n----------------------------\n");
size_t num_sections = reader.read<uint32>(0);
size_t sections_read = 0;
while (!reader.is_finished())
{
uint32 section_len = reader.read<uint32>(0);
if (section_len == 0) {
break;
}
uint32 end_of_section = reader.get_read_offset() - sizeof(uint32) + section_len;
std::string section_name = reader.read_string(); // "OLST"
++sections_read;
printf("Section '%s' at 0x%08x.\n", section_name.c_str(), end_of_section - section_len);
if (_strcmpi(section_name.c_str(), "OLST") == 0) {
ParseOLST(reader, end_of_section);
}
reader.set_read_offset(end_of_section); // this is taking me past the end by 4;
}
printf("\nRead %u out of %u sections.", sections_read, num_sections);
printf("\n\n");
DisplayProgress(reader);
}
//--------------------------------------------------------------------------------------------------------
// main
//--------------------------------------------------------------------------------------------------------
int main()
{
BinaryReader reader(FILE_NAME);
if (reader.is_valid()) {
ParseBuffer(reader);
}
printf("\n\n\nPress Any Key...\n");
_getch();
}
// Run program: Ctrl + F5 or Debug > Start Without Debugging menu
// Debug program: F5 or Debug > Start Debugging menu
// Tips for Getting Started:
// 1. Use the Solution Explorer window to add/manage files
// 2. Use the Team Explorer window to connect to source control
// 3. Use the Output window to see build output and other messages
// 4. Use the Error List window to view errors
// 5. Go to Project > Add New Item to create new code files, or Project > Add Existing Item to add existing code files to the project
// 6. In the future, to open this project again, go to File > Open > Project and select the .sln file