public void TestGameLumpReadWrite()
{
var reader = FileReader.OpenStream("testdata/map.bsp");
reader.BaseStream.Seek(sizeof(int) * 2 + (int)LumpType.GameLump * (sizeof(int) * 3 + 4), SeekOrigin.Begin);
// Grab the raw lump data from the stream
var lumpHeaderPos = reader.BaseStream.Position;
var lumpDataPos = reader.ReadInt32();
var lumpDataLength = reader.ReadInt32();
var gameLumpData = new byte[lumpDataLength];
reader.BaseStream.Seek(lumpDataPos, SeekOrigin.Begin);
reader.BaseStream.Read(gameLumpData, 0, lumpDataLength);
// Seek back to where we were
reader.BaseStream.Seek(lumpHeaderPos, SeekOrigin.Begin);
// Read the lump like normal, which also parses the raw lump data into the GameLumpItems list
var lump = new GameLump(reader);
// lump.Data is parsed from the GameLumpItems list on read, since we done no changes to the GameLumpItems list, this should be equal to the original raw data
Assert.Equal(gameLumpData, lump.Data);
}
public void TestGameLumpAddItem()
{
var reader = FileReader.OpenStream("testdata/map.bsp");
reader.BaseStream.Seek(sizeof(int) * 2 + (int)LumpType.GameLump * (sizeof(int) * 3 + 4), SeekOrigin.Begin);
var newItem = new GameLumpItem(3, 4, 5, new byte[] { 1, 3, 3, 7 });
var lump = new GameLump(reader);
var originalLumpCount = lump.LumpItems.Count;
lump.LumpItems.Add(newItem);
Assert.Equal(originalLumpCount + 1, lump.LumpItems.Count);
// Write the LumpItems table into the Data byte array, then parse the data array back into the LumpItems table
// Will throw InvalidOperation since we edited the LumpItems but didn't call UpdateOffsets
Assert.Throws <InvalidOperationException>(() => lump.Data);
lump.UpdateOffsets(lump.Offset);
var rawData = lump.Data;
lump.Data = rawData;
Assert.Equal(originalLumpCount + 1, lump.LumpItems.Count);
Assert.Equal(lump.LumpItems[originalLumpCount], newItem);
}
public void TestGameLumpRead()
{
var reader = FileReader.OpenStream("testdata/map.bsp");
reader.BaseStream.Seek(sizeof(int) * 2 + (int)LumpType.GameLump * (sizeof(int) * 3 + 4), SeekOrigin.Begin);
var lump = new GameLump(reader);
Assert.Equal(2, lump.LumpItems.Count);
Assert.Equal(0x73707270, lump.LumpItems[0].ID);
Assert.Equal(0, lump.LumpItems[0].Flags);
Assert.Equal(6, lump.LumpItems[0].Version);
Assert.Equal(12, lump.LumpItems[0].Data.Length);
Assert.Equal(new byte[] { 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0 }, lump.LumpItems[0].Data);
Assert.Equal(0x64707270, lump.LumpItems[1].ID);
Assert.Equal(0, lump.LumpItems[1].Flags);
Assert.Equal(4, lump.LumpItems[1].Version);
Assert.Equal(12, lump.LumpItems[1].Data.Length);
Assert.Equal(new byte[] { 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0 }, lump.LumpItems[1].Data);
}
