///========================================================================
/// Method : Resize
///
/// <summary>
/// Resize the FlatChunk
/// </summary>
/// <param name="xiNewHasMetaData"></param>
/// <param name="xiNewWidth"></param>
/// <param name="xiNewHeight"></param>
/// <param name="xiOptions"></param>
/// <returns>
/// The increase in file size, in bytes
/// </returns>
///========================================================================
public int Resize(bool xiNewHasMetaData, short xiNewWidth, short xiNewHeight, eResizeOptions xiOptions)
{
int lExtraSquares = (xiNewWidth * xiNewHeight) - (Width * Height);
int lExtraMeta = (xiNewHasMetaData ? (xiNewWidth * xiNewHeight) : 0) - (HasMetaData ? (Width * Height) : 0);
int lExtraWidth = xiNewWidth - Width;
int lExtraHeight = xiNewHeight - Height;
bool lKeepRight = (xiOptions & eResizeOptions.KeepRight) == eResizeOptions.KeepRight;
bool lKeepBottom = (xiOptions & eResizeOptions.KeepBottom) == eResizeOptions.KeepBottom;
short[][] lOldTextureIds = TextureIds;
short[][] lOldTerrainHeight = TerrainHeight;
Byte[][][] lOldTexMetaData = TexMetaData;
if (lOldTerrainHeight.Length != lOldTextureIds.Length)
{
throw new Exception("Error: TerrainHeight and TextureIds arrays were of different length!");
}
if (HasMetaData && lOldTexMetaData.Length != lOldTextureIds.Length)
{
throw new Exception("Error: TexMetaData and TextureIds arrays were of different length!");
}
Width = xiNewWidth;
Height = xiNewHeight;
TextureIds = new short[Width][];
TerrainHeight = new short[Width][];
TexMetaData = xiNewHasMetaData ? new Byte[Width][][] : null;
for (int x = 0; x < Width; x++)
{
TextureIds[x] = new short[Height];
TerrainHeight[x] = new short[Height];
if (xiNewHasMetaData) TexMetaData[x] = new Byte[Height][];
int lCopyX = lKeepRight ? x - lExtraWidth : x;
if (lCopyX >= lOldTextureIds.Length || lCopyX < 0)
{
lCopyX = lKeepRight ? lOldTextureIds.Length - 1 : 0;
}
if (lOldTerrainHeight[lCopyX].Length != lOldTextureIds[lCopyX].Length)
{
throw new Exception("Error: TerrainHeight and TextureIds arrays were of different length!");
}
if (HasMetaData && lOldTexMetaData[lCopyX].Length != lOldTextureIds[lCopyX].Length)
{
throw new Exception("Error: TexMetaData and TextureIds arrays were of different length!");
}
for (int y = 0; y < Height; y++)
{
int lCopyY = lKeepBottom ? y - lExtraHeight : y;
if (lCopyY >= lOldTextureIds[lCopyX].Length || lCopyY < 0)
{
lCopyY = lKeepBottom ? lOldTextureIds[lCopyX].Length - 1 : 0;
}
TextureIds[x][y] = lOldTextureIds[lCopyX][lCopyY];
TerrainHeight[x][y] = lOldTerrainHeight[lCopyX][lCopyY];
if (xiNewHasMetaData && HasMetaData)
{
TexMetaData[x][y] = lOldTexMetaData[lCopyX][lCopyY];
}
else if (xiNewHasMetaData)
{
TexMetaData[x][y] = new Byte[8]; // Initialise to all zero since we've got nothing better to do
}
}
}
HasMetaData = xiNewHasMetaData;
return lExtraSquares * 4 + lExtraMeta * 8;
}
///========================================================================
/// Method : Resize
///
/// <summary>
/// Resize the FlatChunk
/// </summary>
/// <param name="xiNewHasMetaData"></param>
/// <param name="xiNewWidth"></param>
/// <param name="xiNewHeight"></param>
/// <param name="xiOptions"></param>
/// <returns>
/// The increase in file size, in bytes
/// </returns>
///========================================================================
public int Resize(bool xiNewHasMetaData, short xiNewWidth, short xiNewHeight, eResizeOptions xiOptions)
{
int lExtraSquares = (xiNewWidth * xiNewHeight) - (Width * Height);
int lExtraMeta = (xiNewHasMetaData ? (xiNewWidth * xiNewHeight) : 0) - (HasMetaData ? (Width * Height) : 0);
int lExtraWidth = xiNewWidth - Width;
int lExtraHeight = xiNewHeight - Height;
bool lKeepRight = (xiOptions & eResizeOptions.KeepRight) == eResizeOptions.KeepRight;
bool lKeepBottom = (xiOptions & eResizeOptions.KeepBottom) == eResizeOptions.KeepBottom;
short[][] lOldTextureIds = TextureIds;
short[][] lOldTerrainHeight = TerrainHeight;
Byte[][][] lOldTexMetaData = TexMetaData;
if (lOldTerrainHeight.Length != lOldTextureIds.Length)
{
throw new Exception("Error: TerrainHeight and TextureIds arrays were of different length!");
}
if (HasMetaData && lOldTexMetaData.Length != lOldTextureIds.Length)
{
throw new Exception("Error: TexMetaData and TextureIds arrays were of different length!");
}
Width = xiNewWidth;
Height = xiNewHeight;
TextureIds = new short[Width][];
TerrainHeight = new short[Width][];
TexMetaData = xiNewHasMetaData ? new Byte[Width][][] : null;
for (int x = 0; x < Width; x++)
{
TextureIds[x] = new short[Height];
TerrainHeight[x] = new short[Height];
if (xiNewHasMetaData)
{
TexMetaData[x] = new Byte[Height][];
}
int lCopyX = lKeepRight ? x - lExtraWidth : x;
if (lCopyX >= lOldTextureIds.Length || lCopyX < 0)
{
lCopyX = lKeepRight ? lOldTextureIds.Length - 1 : 0;
}
if (lOldTerrainHeight[lCopyX].Length != lOldTextureIds[lCopyX].Length)
{
throw new Exception("Error: TerrainHeight and TextureIds arrays were of different length!");
}
if (HasMetaData && lOldTexMetaData[lCopyX].Length != lOldTextureIds[lCopyX].Length)
{
throw new Exception("Error: TexMetaData and TextureIds arrays were of different length!");
}
for (int y = 0; y < Height; y++)
{
int lCopyY = lKeepBottom ? y - lExtraHeight : y;
if (lCopyY >= lOldTextureIds[lCopyX].Length || lCopyY < 0)
{
lCopyY = lKeepBottom ? lOldTextureIds[lCopyX].Length - 1 : 0;
}
TextureIds[x][y] = lOldTextureIds[lCopyX][lCopyY];
TerrainHeight[x][y] = lOldTerrainHeight[lCopyX][lCopyY];
if (xiNewHasMetaData && HasMetaData)
{
TexMetaData[x][y] = lOldTexMetaData[lCopyX][lCopyY];
}
else if (xiNewHasMetaData)
{
TexMetaData[x][y] = new Byte[8]; // Initialise to all zero since we've got nothing better to do
}
}
}
HasMetaData = xiNewHasMetaData;
return(lExtraSquares * 4 + lExtraMeta * 8);
}
