/// <summary>
/// Splits a texture into an array of smaller textures of the specified size.
/// </summary>
/// <param name="original">The texture to be split into smaller textures</param>
/// <param name="partXYplusWidthHeight">
/// We must specify here an array with size of 'parts' for the first dimension,
/// for each part, in the second dimension, we specify:
/// starting x and y, plus width and height for that specified part (4 as size in second dimension).
/// </param>
internal static UOTexture[] SplitTexture16(UOTexture original, int[,] partXYplusWidthHeight)
{
if (partXYplusWidthHeight.GetLength(0) == 0 || partXYplusWidthHeight.GetLength(1) < 4)
{
return(null);
}
UOTexture[] r = new UOTexture[partXYplusWidthHeight.GetLength(0)];
int pwidth = original.Width; //((original.Width + 1) >> 1) << 1;
int pheight = original.Height; //((original.Height + 1) >> 1) << 1;
uint[] originalData = original.Data;
int index = 0;
for (int p = 0; p < partXYplusWidthHeight.GetLength(0); p++)
{
int x = partXYplusWidthHeight[p, 0],
y = partXYplusWidthHeight[p, 1],
width = partXYplusWidthHeight[p, 2],
height = partXYplusWidthHeight[p, 3];
UOTexture part = new UOTexture(width, height);
uint[] partData = new uint[width * height];
for (int py = 0; py < height; py++)
{
for (int px = 0; px < width; px++)
{
int partIndex = px + py * width;
//If a part goes outside of the source texture, then fill the overlapping part with transparent
if (y + py >= pheight || x + px >= pwidth)
{
partData[partIndex] = 0;
}
else
{
partData[partIndex] = originalData[x + px + (y + py) * pwidth];
}
}
}
part.PushData(partData);
r[index++] = part;
}
return(r);
}
private void CreateMiniMapTexture(bool force = false)
{
if (_gumpTexture == null || _gumpTexture.IsDisposed)
{
return;
}
ushort lastX = World.Player.X;
ushort lastY = World.Player.Y;
if (_x != lastX || _y != lastY)
{
_x = lastX;
_y = lastY;
}
else if (!force)
{
return;
}
if (_mapTexture != null && !_mapTexture.IsDisposed)
{
_mapTexture.Dispose();
}
int blockOffsetX = Width >> 2;
int blockOffsetY = Height >> 2;
int gumpCenterX = Width >> 1;
//int gumpCenterY = Height >> 1;
//0xFF080808 - pixel32
//0x8421 - pixel16
int minBlockX = ((lastX - blockOffsetX) >> 3) - 1;
int minBlockY = ((lastY - blockOffsetY) >> 3) - 1;
int maxBlockX = ((lastX + blockOffsetX) >> 3) + 1;
int maxBlockY = ((lastY + blockOffsetY) >> 3) + 1;
if (minBlockX < 0)
{
minBlockX = 0;
}
if (minBlockY < 0)
{
minBlockY = 0;
}
int maxBlockIndex = World.Map.BlocksCount;
int mapBlockHeight = MapLoader.Instance.MapBlocksSize[World.MapIndex, 1];
uint[] data = GumpsLoader.Instance.GetGumpPixels(_useLargeMap ? (uint)5011 : 5010, out _, out _);
Point[] table = new Point[2]
{
new Point(0, 0), new Point(0, 1)
};
for (int i = minBlockX; i <= maxBlockX; i++)
{
int blockIndexOffset = i * mapBlockHeight;
for (int j = minBlockY; j <= maxBlockY; j++)
{
int blockIndex = blockIndexOffset + j;
if (blockIndex >= maxBlockIndex)
{
break;
}
RadarMapBlock?mbbv = MapLoader.Instance.GetRadarMapBlock(World.MapIndex, i, j);
if (!mbbv.HasValue)
{
break;
}
RadarMapBlock mb = mbbv.Value;
Chunk block = World.Map.Chunks[blockIndex];
int realBlockX = i << 3;
int realBlockY = j << 3;
for (int x = 0; x < 8; x++)
{
int px = realBlockX + x - lastX + gumpCenterX;
for (int y = 0; y < 8; y++)
{
int py = realBlockY + y - lastY;
int gx = px - py;
int gy = px + py;
int color = mb.Cells[x, y].Graphic;
bool island = mb.Cells[x, y].IsLand;
if (block != null)
{
GameObject obj = block.Tiles[x, y];
while (obj?.TNext != null)
{
obj = obj.TNext;
}
for (; obj != null; obj = obj.TPrevious)
{
if (obj is Multi)
{
if (obj.Hue == 0)
{
color = obj.Graphic;
island = false;
}
else
{
color = obj.Hue + 0x4000;
}
break;
}
}
}
if (!island)
{
color += 0x4000;
}
int tableSize = 2;
if (island && color > 0x4000)
{
color = HuesLoader.Instance.GetColor16
(
16384, (ushort)(color - 0x4000)
); //28672 is an arbitrary position in hues.mul, is the 14 position in the range
}
else
{
color = HuesLoader.Instance.GetRadarColorData(color);
}
CreatePixels(data, 0x8000 | color, gx, gy, Width, Height, table, tableSize);
}
}
}
}
_mapTexture = new UOTexture(Width, Height);
_mapTexture.PushData(data);
}