public TerrainModel(FileStream fs, TerrainHead head, byte[] tfragBlock, int num)
{
int offset = num * 0x30;
int texturePointer = ReadInt(tfragBlock, offset + 0x10);
int textureCount = ReadInt(tfragBlock, offset + 0x14);
ushort vertexIndex = ReadUshort(tfragBlock, offset + 0x18);
ushort vertexCount = ReadUshort(tfragBlock, offset + 0x1A);
ushort slotNum = ReadUshort(tfragBlock, offset + 0x22);
// Oh yes, we are hacking
int faceStart = ReadInt(ReadBlock(fs, texturePointer + 4, 4), 0);
textureConfig = GetTextureConfigs(fs, texturePointer, textureCount, 0x10, true);
faceCount = GetFaceCount();
vertexBuffer = GetVertices(fs, head.vertexPointers[slotNum] + vertexIndex * 0x1C, head.UVpointers[slotNum] + vertexIndex * 0x08, vertexCount, 0x1C, 0x08);
indexBuffer = GetIndices(fs, head.indexPointers[slotNum] + faceStart * 2, faceCount, vertexIndex);
rgbas = ReadBlock(fs, head.rgbaPointers[slotNum] + vertexIndex * 4, vertexCount * 4);
// OOOf hack
byte[] vertBlock = ReadBlock(fs, head.vertexPointers[slotNum] + vertexIndex * 0x1C, vertexCount * 0x1C);
for (int i = 0; i < vertBlock.Length / 0x1c; i++)
{
off_0C.Add(ReadUint(vertBlock, i * 0x1c + 0x18));
}
}
} // Always 0
public TerrainFragment(FileStream fs, TerrainHead head, byte[] tfragBlock, int num)
{
int offset = num * 0x30;
float cullingX = ReadFloat(tfragBlock, offset + 0x00);
float cullingY = ReadFloat(tfragBlock, offset + 0x04);
float cullingZ = ReadFloat(tfragBlock, offset + 0x08);
cullingSize = ReadFloat(tfragBlock, offset + 0x0C);
off1C = ReadUshort(tfragBlock, offset + 0x1C);
off1E = ReadUshort(tfragBlock, offset + 0x1E);
off20 = ReadUshort(tfragBlock, offset + 0x20);
off24 = ReadUint(tfragBlock, offset + 0x24);
off28 = ReadUint(tfragBlock, offset + 0x28);
off2C = ReadUint(tfragBlock, offset + 0x2C);
model = new TerrainModel(fs, head, tfragBlock, num);
modelID = model.id;
modelMatrix = Matrix4.Identity;
cullingCenter = new Vector3(cullingX, cullingY, cullingZ);
}
protected List <TerrainFragment> GetTerrainModels(int terrainModelPointer)
{
List <TerrainFragment> tFrags = new List <TerrainFragment>();
//Read the whole terrain header
byte[] terrainBlock = ReadBlock(fileStream, terrainModelPointer, 0x60);
TerrainHead head = new TerrainHead(terrainBlock);
byte[] tfragBlock = ReadBlock(fileStream, terrainModelPointer + 0x60, head.headCount * 0x30);
for (int i = 0; i < head.headCount; i++)
{
tFrags.Add(new TerrainFragment(fileStream, head, tfragBlock, i));
}
return(tFrags);
}
public uint off_2C; // Always 0
public TerrainFragment(FileStream fs, TerrainHead head, byte[] tfragBlock, int num)
{
int offset = num * 0x30;
off_00 = ReadFloat(tfragBlock, offset + 0x00);
off_04 = ReadFloat(tfragBlock, offset + 0x04);
off_08 = ReadFloat(tfragBlock, offset + 0x08);
off_0C = ReadFloat(tfragBlock, offset + 0x0C);
off_1C = ReadUshort(tfragBlock, offset + 0x1C);
off_1E = ReadUshort(tfragBlock, offset + 0x1E);
off_20 = ReadUshort(tfragBlock, offset + 0x20);
off_24 = ReadUint(tfragBlock, offset + 0x24);
off_28 = ReadUint(tfragBlock, offset + 0x28);
off_2C = ReadUint(tfragBlock, offset + 0x2C);
model = new TerrainModel(fs, head, tfragBlock, num);
modelMatrix = Matrix4.Identity;
}
protected Terrain GetTerrainModels(int terrainModelPointer, GameType game)
{
List <TerrainFragment> tFrags = new List <TerrainFragment>();
//Read the whole terrain header
int headerSize = (game.num == 4) ? 0x70 : 0x60;
byte[] terrainBlock = ReadBlock(fileStream, terrainModelPointer, headerSize);
TerrainHead head = new TerrainHead(terrainBlock, game);
byte[] tfragBlock = ReadBlock(fileStream, head.headPointer, head.headCount * 0x30);
for (int i = 0; i < head.headCount; i++)
{
tFrags.Add(new TerrainFragment(fileStream, head, tfragBlock, i));
}
Terrain terrain = new Terrain(tFrags, head.levelNumber);
return(terrain);
}
