public static AnimationFrame[] GetAnimation(BinaryFileReader reader)
{
uint[] palette = getPalette(reader); // 0x100 * 2 = 0x0200 bytes
int read_start = (int)reader.Position; // save file position after palette.
int frameCount = reader.ReadInt(); // 0x04 bytes
int[] lookups = new int[frameCount]; // frameCount * 0x04 bytes
for (int i = 0; i < frameCount; ++i) { lookups[i] = reader.ReadInt(); }
AnimationFrame[] frames = new AnimationFrame[frameCount];
for (int i = 0; i < frameCount; ++i)
{
if (lookups[i] < lookups[0])
{
frames[i] = AnimationFrame.Empty; // Fix for broken animations, per issue13
}
else
{
reader.Seek(read_start + lookups[i], SeekOrigin.Begin);
frames[i] = new AnimationFrame(m_graphics, palette, reader);
}
}
return frames;
}
public unsafe AnimationFrame(GraphicsDevice graphics, uint[] palette, BinaryFileReader reader)
{
int xCenter = reader.ReadShort();
int yCenter = reader.ReadShort();
int width = reader.ReadUShort();
int height = reader.ReadUShort();
// Fix for animations with no UltimaData.
if ((width == 0) || (height == 0))
{
m_Texture = null;
return;
}
uint[] data = new uint[width * height];
int header;
int xBase = xCenter - 0x200;
int yBase = (yCenter + height) - 0x200;
fixed (uint* pData = data)
{
uint* dataRef = pData;
int delta = width;
int dataRead = 0;
dataRef += xBase;
dataRef += (yBase * delta);
while ((header = reader.ReadInt()) != 0x7FFF7FFF)
{
header ^= DoubleXor;
uint* cur = dataRef + ((((header >> 12) & 0x3FF) * delta) + ((header >> 22) & 0x3FF));
uint* end = cur + (header & 0xFFF);
int filecounter = 0;
byte[] filedata = reader.ReadBytes(header & 0xFFF);
while (cur < end)
*cur++ = palette[filedata[filecounter++]];
dataRead += header & 0xFFF;
}
Diagnostics.Metrics.ReportDataRead(dataRead);
}
m_Center = new Microsoft.Xna.Framework.Point(xCenter, yCenter);
m_Texture = new Texture2D(graphics, width, height);
m_Texture.SetData<uint>(data);
}
public MultiComponentList(BinaryFileReader reader, int count)
{
int metrics_dataread_start = (int)reader.Position;
m_Min = m_Max = Point.Empty;
MultiTileEntry[] allTiles = new MultiTileEntry[count];
for (int i = 0; i < count; ++i)
{
allTiles[i].m_ItemID = reader.ReadShort();
allTiles[i].m_OffsetX = reader.ReadShort();
allTiles[i].m_OffsetY = reader.ReadShort();
allTiles[i].m_OffsetZ = reader.ReadShort();
allTiles[i].m_Flags = reader.ReadInt();
MultiTileEntry e = allTiles[i];
if (e.m_OffsetX < m_Min.X)
m_Min.X = e.m_OffsetX;
if (e.m_OffsetY < m_Min.Y)
m_Min.Y = e.m_OffsetY;
if (e.m_OffsetX > m_Max.X)
m_Max.X = e.m_OffsetX;
if (e.m_OffsetY > m_Max.Y)
m_Max.Y = e.m_OffsetY;
}
m_Center = new Point(-m_Min.X, -m_Min.Y);
m_Width = (m_Max.X - m_Min.X) + 1;
m_Height = (m_Max.Y - m_Min.Y) + 1;
StaticTileList[][] tiles = new StaticTileList[m_Width][];
m_Tiles = new StaticTile[m_Width][][];
for (int x = 0; x < m_Width; ++x)
{
tiles[x] = new StaticTileList[m_Height];
m_Tiles[x] = new StaticTile[m_Height][];
for (int y = 0; y < m_Height; ++y)
tiles[x][y] = new StaticTileList();
}
for (int i = 0; i < allTiles.Length; ++i)
{
int xOffset = allTiles[i].m_OffsetX + m_Center.X;
int yOffset = allTiles[i].m_OffsetY + m_Center.Y;
tiles[xOffset][yOffset].Add((short)((allTiles[i].m_ItemID & 0x3FFF) + 0x4000), (sbyte)allTiles[i].m_OffsetZ);
}
for (int x = 0; x < m_Width; ++x)
{
for (int y = 0; y < m_Height; ++y)
{
m_Tiles[x][y] = tiles[x][y].ToArray();
//
// This is unnecessary, since TileEngine has to sort/resort anyways.
//
// if (m_Tiles[x][y].Length > 1)
// {
// Array.Sort(m_Tiles[x][y]);
// }
}
}
Diagnostics.Metrics.ReportDataRead((int)reader.Position - metrics_dataread_start);
}