void WorldModelRoot::ReadHeader()
{
Chunk* chunk = Data->GetChunkByName("MOHD");
if (!chunk)
return;
FILE* stream = chunk->GetStream();
Header = WorldModelHeader::Read(stream);
}
void WorldModelGroup::ReadHeader()
{
Chunk* chunk = Data->GetChunkByName("MOGP");
if (!chunk)
return;
FILE* stream = chunk->GetStream();
Header = WMOGroupHeader::Read(stream);
}
void WorldModelGroup::ReadLiquid()
{
Chunk* chunk = SubData->GetChunkByName("MLIQ");
if (!chunk)
return;
HasLiquidData = true;
FILE* stream = chunk->GetStream();
LiquidDataHeader = LiquidHeader::Read(stream);
LiquidDataGeometry = LiquidData::Read(stream, LiquidDataHeader);
}
void WorldModelGroup::ReadVertices()
{
Chunk* chunk = SubData->GetChunkByName("MOVT");
if (!chunk)
return;
uint32 verticeCount = chunk->Length / 12;
Vertices.reserve(verticeCount);
FILE* stream = chunk->GetStream();
for (uint32 i = 0; i < verticeCount; i++)
Vertices.push_back(Vector3::Read(stream));
}
void WorldModelGroup::ReadBatches()
{
Chunk* chunk = Data->GetChunkByName("MOBA");
if (!chunk)
return;
MOBALength = chunk->Length / 2;
MOBA = new uint16[MOBALength];
uint32 count = (uint32)fread(MOBA, sizeof(uint16), MOBALength, chunk->GetStream());
if (count != MOBALength)
printf("WorldModelGroup::ReadBatches: Error reading data, expected %u, read %u\n", MOBALength, count);
}
void WorldModelRoot::ReadDoodadSets()
{
Chunk* chunk = Data->GetChunkByName("MODS");
if (!chunk)
return;
FILE* stream = chunk->GetStream();
ASSERT(chunk->Length / 32 == Header.CountSets && "chunk.Length / 32 == Header.CountSets");
DoodadSets.reserve(Header.CountSets);
for (uint32 i = 0; i < Header.CountSets; i++)
DoodadSets.push_back(DoodadSet::Read(stream));
}
void WorldModelHandler::ReadModelPaths()
{
Chunk* mwid = Source->ObjectData->GetChunkByName("MWID");
Chunk* mwmo = Source->ObjectData->GetChunkByName("MWMO");
if (!mwid || !mwmo)
return;
uint32 paths = mwid->Length / 4;
_paths = new std::vector<std::string>;
_paths->reserve(paths);
for (uint32 i = 0; i < paths; i++)
{
Stream* stream = mwid->GetStream();
stream->Seek(i * 4, SEEK_CUR);
uint32 offset = stream->Read<uint32>();
Stream* dataStream = mwmo->GetStream();
dataStream->Seek(offset + mwmo->Offset, SEEK_SET);
_paths->push_back(dataStream->ReadString());
}
}
void WorldModelHandler::ReadModelPaths()
{
Chunk* mwid = Source->ObjectData->GetChunkByName("MWID");
Chunk* mwmo = Source->ObjectData->GetChunkByName("MWMO");
if (!mwid || !mwmo)
return;
uint32 paths = mwid->Length / 4;
_paths = new std::vector<std::string>;
_paths->reserve(paths);
for (uint32 i = 0; i < paths; i++)
{
FILE* stream = mwid->GetStream();
fseek(stream, i * 4, SEEK_CUR);
uint32 offset;
fread(&offset, sizeof(uint32), 1, stream);
FILE* dataStream = mwmo->GetStream();
fseek(dataStream, offset + mwmo->Offset, SEEK_SET);
_paths->push_back(Utils::ReadString(dataStream));
}
}
void WorldModelGroup::ReadNormals()
{
Chunk* chunk = SubData->GetChunkByName("MONR");
if (!chunk)
return;
uint32 normalCount = chunk->Length / 12;
ASSERT(normalCount == Vertices.size() && "normalCount is different than the Vertices count");
Normals.reserve(normalCount);
FILE* stream = chunk->GetStream();
for (uint32 i = 0; i < normalCount; i++)
Normals.push_back(Vector3::Read(stream));
}
void WorldModelHandler::ReadDefinitions()
{
Chunk* chunk = Source->ObjectData->GetChunkByName("MODF");
if (!chunk)
return;
const int32 definitionSize = 64;
uint32 definitionCount = chunk->Length / definitionSize;
_definitions = new std::vector<WorldModelDefinition>;
_definitions->reserve(definitionCount);
FILE* stream = chunk->GetStream();
for (uint32 i = 0; i < definitionCount; i++)
_definitions->push_back(WorldModelDefinition::Read(stream));
}
void WorldModelRoot::ReadDoodadInstances()
{
Chunk* chunk = Data->GetChunkByName("MODD");
Chunk* nameChunk = Data->GetChunkByName("MODN");
if (!chunk || !nameChunk)
return;
const uint32 instanceSize = 40;
uint32 countInstances = chunk->Length / instanceSize;
DoodadInstances.reserve(countInstances);
for (uint32 i = 0; i < countInstances; i++)
{
FILE* stream = chunk->GetStream();
fseek(stream, instanceSize * i, SEEK_CUR);
DoodadInstance instance = DoodadInstance::Read(stream);
FILE* nameStream = nameChunk->GetStream();
if (instance.FileOffset >= nameChunk->Length)
continue;
fseek(nameStream, instance.FileOffset, SEEK_CUR);
instance.File = Utils::ReadString(nameStream);
DoodadInstances.push_back(instance);
}
}
void ObjectDataHandler::ProcessMapChunk( MapChunk* chunk )
{
if (!Source->HasObjectData)
return;
// f**k it blizzard, why is this crap necessary?
int32 firstIndex = Source->ObjectData->GetFirstIndex("MCNK");
if (firstIndex == -1)
return;
if (uint32(firstIndex + chunk->Index) > Source->ObjectData->Chunks.size())
return;
Chunk* ourChunk = Source->ObjectData->Chunks[firstIndex + chunk->Index];
if (ourChunk->Length == 0)
return;
ChunkedData* subChunks = new ChunkedData(ourChunk->GetStream(), ourChunk->Length, 2);
ProcessInternal(subChunks);
}
void WorldModelHandler::ProcessInternal( ChunkedData* subChunks )
{
if (!IsSane())
return;
Chunk* wmoReferencesChunk = subChunks->GetChunkByName("MCRW");
if (!wmoReferencesChunk)
return;
FILE* stream = wmoReferencesChunk->GetStream();
uint32 refCount = wmoReferencesChunk->Length / 4;
for (uint32 i = 0; i < refCount; i++)
{
int32 index;
if (fread(&index, sizeof(int32), 1, stream) != 1)
printf("WorldModelDefinition::Read: Error reading data, expected 1, read 0\n");
if (index < 0 || uint32(index) >= _definitions->size())
continue;
WorldModelDefinition wmo = (*_definitions)[index];
if (_drawn.find(wmo.UniqueId) != _drawn.end())
continue;
_drawn.insert(wmo.UniqueId);
if (wmo.MwidIndex >= _paths->size())
continue;
std::string path = (*_paths)[wmo.MwidIndex];
WorldModelRoot* model = Cache->WorldModelCache.Get(path);
if (!model)
{
model = new WorldModelRoot(path);
Cache->WorldModelCache.Insert(path, model);
}
Vertices.reserve(1000);
Triangles.reserve(1000);
InsertModelGeometry(Vertices, Triangles, wmo, model);
}
}
void WorldModelGroup::ReadMaterials()
{
Chunk* chunk = SubData->GetChunkByName("MOPY");
if (!chunk)
return;
FILE* stream = chunk->GetStream();
uint32 triangleCount = chunk->Length / 2;
TriangleFlags.reserve(triangleCount);
TriangleMaterials.reserve(triangleCount);
for (uint32 i = 0; i < triangleCount; i++)
{
uint8 tmp;
if (fread(&tmp, sizeof(uint8), 1, stream) != 1)
printf("WorldModelGroup::ReadMaterials: Error reading data, expected 1, read 0\n");
TriangleFlags.push_back(tmp);
// Read again for material.
if (fread(&tmp, sizeof(uint8), 1, stream) != 1)
printf("WorldModelGroup::ReadMaterials: Error reading data, expected 1, read 0\n");
TriangleMaterials.push_back(tmp);
}
}
void LiquidHandler::HandleNewLiquid()
{
Chunk* chunk = Source->Data->GetChunkByName("MH2O");
if (!chunk)
return;
Vertices.reserve(1000);
Triangles.reserve(1000);
FILE* stream = chunk->GetStream();
H2OHeader header[256];
MCNKData.reserve(256);
for (int i = 0; i < 256; i++)
header[i] = H2OHeader::Read(stream);
for (int i = 0; i < 256; i++)
{
H2OHeader h = header[i];
if (h.LayerCount == 0)
{
// Need to fill in missing data with dummies.
MCNKData.push_back(MCNKLiquidData(NULL, H2ORenderMask()));
continue;
}
fseek(stream, chunk->Offset + h.OffsetInformation, SEEK_SET);
H2OInformation information = H2OInformation::Read(stream);
float** heights = new float*[9];
for (int j = 0; j < 9; ++i)
{
heights[j] = new float[9];
memset(heights[j], 0, sizeof(float) * 9);
}
H2ORenderMask renderMask;
if (information.LiquidType != 2)
{
fseek(stream, chunk->Offset + h.OffsetRender, SEEK_SET);
renderMask = H2ORenderMask::Read(stream);
if ((Utils::IsAllZero(renderMask.Mask, 8) || (information.Width == 8 && information.Height == 8)) && information.OffsetMask2)
{
fseek(stream, chunk->Offset + information.OffsetMask2, SEEK_SET);
uint32 size = ceil(information.Width * information.Height / 8.0f);
uint8* altMask = new uint8[size];
if (fread(altMask, sizeof(uint8), size, stream) == size)
for (uint32 mi = 0; mi < size; mi++)
renderMask.Mask[mi + information.OffsetY] |= altMask[mi];
delete[] altMask;
}
fseek(stream, chunk->Offset + information.OffsetHeightmap, SEEK_SET);
for (int y = information.OffsetY; y < (information.OffsetY + information.Height); y++)
for (int x = information.OffsetX; x < (information.OffsetX + information.Width); x++)
if (fread(&heights[x][y], sizeof(float), 1, stream) != 1)
return;
}
else
{
// Fill with ocean data
for (uint32 i = 0; i < 8; ++i)
renderMask.Mask[i] = 0xFF;
for (uint32 y = 0; y < 9; ++y)
for (uint32 x = 0; x < 9; ++x)
heights[x][y] = information.HeightLevel1;
}
MCNKData.push_back(MCNKLiquidData(heights, renderMask));
for (int y = information.OffsetY; y < (information.OffsetY + information.Height); y++)
{
for (int x = information.OffsetX; x < (information.OffsetX + information.Width); x++)
{
if (!renderMask.ShouldRender(x, y))
continue;
MapChunk* mapChunk = Source->MapChunks[i];
Vector3 location = mapChunk->Header.Position;
location.y = location.y - (x * Constants::UnitSize);
location.x = location.x - (y * Constants::UnitSize);
location.z = heights[x][y];
uint32 vertOffset = Vertices.size();
Vertices.push_back(location);
Vertices.push_back(Vector3(location.x - Constants::UnitSize, location.y, location.z));
Vertices.push_back(Vector3(location.x, location.y - Constants::UnitSize, location.z));
Vertices.push_back(Vector3(location.x - Constants::UnitSize, location.y - Constants::UnitSize, location.z));
Triangles.push_back(Triangle<uint32>(Constants::TRIANGLE_TYPE_WATER, vertOffset, vertOffset+2, vertOffset + 1));
Triangles.push_back(Triangle<uint32>(Constants::TRIANGLE_TYPE_WATER, vertOffset + 2, vertOffset + 3, vertOffset + 1));
}
}
}
}