///////////////////////////////////////////////////////////
// Member functions
//
///////////////////////////////////////////////////////////
const QString String::read(const qboy::Rom &rom, UInt32 offset)
{
// Firstly, determines whether the given rom is valid
Q_ASSERT(rom.info().isLoaded() && rom.info().isValid());
// Declares needed variables for the decoding process
QList<UInt8> encoded;
QString decoded;
UInt8 readByte;
// Declares the different dynamic tables (some are the same across all roms)
QMap<UInt32, QString> *mapBuffers = NULL;
QMap<UInt32, QString> *mapFunctions = NULL;
// Determines the rom version and depending on that, loads the tables
if (CONFIG(RomType) == RT_FRLG)
{
mapBuffers = &BufferSequencesFRLG;
mapFunctions = &FunctionSequencesFRLG;
}
else if (CONFIG(RomType) == RT_RS)
{
mapBuffers = &BufferSequencesRSE;
mapFunctions = &FunctionSequencesRS;
}
else
{
mapBuffers = &BufferSequencesRSE;
mapFunctions = &FunctionSequencesE;
}
// Reads the whole Pokémon string, terminated by 0xFF
if (!rom.seek(offset))
Q_ASSERT(false);
while ((readByte = rom.readByte()) != 0xFF)
encoded.push_back(readByte);
// Iterates through every encoded character and interprets it
int length = encoded.size();
for (int i = 0; i < length;)
{
// Fetches the char at the current position
UInt8 currentChar = encoded.at(i++);
if (currentChar == 0xF8 || currentChar == 0xF9)
{
// Character might be a symbol
UInt8 arg1 = encoded[i++];
UInt32 search = ((currentChar << 8) | arg1);
// Searches for the sequence in the symbol-map
auto searchResult = SymbolSequences.find(search);
if (searchResult != SymbolSequences.end())
decoded.push_back(searchResult.value());
else
decoded.push_back(convertRaw(search));
}
else if (currentChar == 0xFD)
{
// Character might be a buffer
UInt8 arg1 = encoded.at(i++);
UInt32 search = ((currentChar << 8) | arg1);
// Searches for the sequence in the dynamic buffer-map
auto searchResult = mapBuffers->find(search);
if (searchResult != mapBuffers->end())
decoded.push_back(searchResult.value());
else
decoded.push_back(convertRaw(search));
}
else if (currentChar == 0xFC)
{
// Character might be an escape sequence
UInt8 arg1 = encoded.at(i++);
UInt32 search = 0;
if (arg1 >= 1 && arg1 <= 6)
{
// Might be a multi-byte function
UInt8 arg2 = encoded[i++];
search = ((currentChar << 16) | (arg1 << 8) | arg2);
}
else
{
// Might be a single-byte function
search = ((currentChar << 8) | arg1);
}
// Searches for the sequence in the dynamic escape-map
auto searchResult = mapFunctions->find(search);
if (searchResult != mapFunctions->end())
decoded.push_back(searchResult.value());
else
decoded.push_back(convertRaw(search));
}
else
{
// Is a single character for sure (exception-safe!)
decoded.push_back(SingleSequences.value(currentChar));
}
}
// Finished
return decoded;
}
///////////////////////////////////////////////////////////
// Function type: I/O
// Contributors: Pokedude
// Last edit by: Pokedude
// Date of edit: 6/11/2016
//
///////////////////////////////////////////////////////////
bool MapHeader::read(const qboy::Rom &rom, UInt32 offset)
{
if (!rom.seek(offset))
AME_THROW(HDR_ERROR_OFFSET, rom.redirected());
// Reads the map's dimensions
m_Width = rom.readWord();
m_Height = rom.readWord();
// Reads all the pointers within the structure
m_PtrBorder = rom.readPointerRef();
m_PtrBlocks = rom.readPointer();
m_PtrPrimary = rom.readPointerRef();
m_PtrSecondary = rom.readPointerRef();
// Determines whether these pointers are valid
if (!rom.checkOffset(m_PtrBorder))
AME_THROW(HDR_ERROR_BORDER, offset + 8);
if (!rom.checkOffset(m_PtrBlocks))
AME_THROW(HDR_ERROR_BLOCKS, offset + 12);
if (!rom.checkOffset(m_PtrPrimary))
AME_THROW(HDR_ERROR_PRIMARY, offset + 16);
if (!rom.checkOffset(m_PtrSecondary))
AME_THROW(HDR_ERROR_SECONDARY, offset + 20);
// Retrieves the border (different between games!)
if (rom.info().isFRLG())
{
QSize borderSize(rom.readByte(), rom.readByte());
m_Border.read(rom, m_PtrBorder, borderSize);
}
else
{
m_Border.read(rom, m_PtrBorder, QSize(2, 2));
}
// Retrieves the map block data
rom.seek(m_PtrBlocks);
for (unsigned i = 0; i < m_Width * m_Height; i++)
{
MapBlock *block = new MapBlock;
UInt16 data = rom.readHWord();
block->block = (data & 0x3FF);
block->permission = (data >> 0xA);
m_Blocks.push_back(block);
}
// Loads the tilesets, if necessary
if ((m_Primary = TilesetManager::get(m_PtrPrimary)) == NULL)
{
m_Primary = new Tileset;
m_Primary->read(rom, m_PtrPrimary);
TilesetManager::add(m_Primary);
}
if ((m_Secondary = TilesetManager::get(m_PtrSecondary)) == NULL)
{
m_Secondary = new Tileset;
m_Secondary->read(rom, m_PtrSecondary);
TilesetManager::add(m_Secondary);
}
// Loading successful
return true;
}
///////////////////////////////////////////////////////////
// Function type: I/O
// Contributers: Pokedude
// Last edit by: Pokedude
// Date of edit: 6/5/2016
//
///////////////////////////////////////////////////////////
bool Tileset::read(const qboy::Rom &rom, UInt32 offset)
{
if (!rom.seek(offset))
AME_THROW(SET_ERROR_OFFSET, rom.redirected());
// Reads the first two properties for the following determination
m_IsCompressed = rom.readByte();
m_IsPrimary = rom.readByte();
rom.readHWord(); // padding
// Determines all differences between FRLG and RSE
int countPal;
int countBlock;
int palAdjustment;
int uncompSize;
if (rom.info().isFRLG())
{
if (!m_IsPrimary) // = 0 in the games -.-
{
countPal = 7;
countBlock = 640;
palAdjustment = 0;
uncompSize = 40960;
}
else
{
countPal = 6;
countBlock = 384;
palAdjustment = 224;
uncompSize = 24576;
}
}
else
{
if (!m_IsPrimary) // = 0 in the games -.-
{
countPal = 6;
countBlock = 512;
palAdjustment = 0;
uncompSize = 32768;
}
else
{
countPal = 7;
countBlock = 512;
palAdjustment = 192;
uncompSize = 32768;
}
}
// Reads all pointers within the tileset structure
m_PtrImage = rom.readPointer();
m_PtrPalette = rom.readPointer();
m_PtrBlocks = rom.readPointer();
if (rom.info().isFRLG()) // pointers reversed
{
m_PtrAnimations = rom.readPointer();
m_PtrBehaviour = rom.readPointer();
}
else
{
m_PtrBehaviour = rom.readPointer();
m_PtrAnimations = rom.readPointer();
}
// Determines whether all read pointers are valid
if (!rom.checkOffset(m_PtrImage))
AME_THROW(SET_ERROR_IMAGE, offset + 4);
if (!rom.checkOffset(m_PtrPalette))
AME_THROW(SET_ERROR_PALETTE, offset + 8);
if (!rom.checkOffset(m_PtrBlocks))
AME_THROW(SET_ERROR_BLOCKS, offset + 12);
if (!rom.checkOffset(m_PtrAnimations))
AME_THROW(SET_ERROR_ANIM, offset + 16);
if (!rom.checkOffset(m_PtrBehaviour))
AME_THROW(SET_ERROR_PROP, offset + 20);
// Attempts to load the image
if (m_IsCompressed)
{
if (!m_Image->readCompressed(rom, m_PtrImage, 128, true))
AME_THROW(SET_ERROR_IMGDATA, m_PtrImage);
}
else
{
if (!m_Image->readUncompressed(rom, m_PtrImage, uncompSize, 128, true))
AME_THROW(SET_ERROR_IMGDATA, m_PtrImage);
}
// Attempts to load the palettes
for (int i = 0; i < countPal; i++)
{
qboy::Palette *pal = new qboy::Palette;
pal->readUncompressed(rom, m_PtrPalette + palAdjustment + i * 32, 16);
m_Pals.push_back(pal);
}
// Attempts to load the blocks
rom.seek(m_PtrBlocks);
for (int i = 0; i < countBlock; i++)
{
Block *block = new Block;
m_Blocks.push_back(block);
// Each block has 2 layers á 4 tiles
for (int j = 0; j < 8; j++)
{
Tile tile;
UInt16 data = rom.readHWord();
// Extracts information from the hword
tile.tile = (data & 0x3FF);
tile.palette = ((data & 0xF800) >> 0xC);
tile.flipX = ((data & 0x400) == 0x400);
tile.flipY = ((data & 0x800) == 0x800);
block->tiles[j] = tile;
}
}
// Attempts to load the block properties
m_Properties->read(rom, m_PtrBehaviour, countBlock);
// Loading successful
m_Offset = offset;
return true;
}