/// <summary>
/// The DGRP chunk is used to combine multiple sprites into one object.
/// </summary>
/// <param name="ChunkData">The data for the chunk.</param>
/// <param name="Sprites">The sprites that the DGRP consists of.</param>
public DrawGroup(IffChunk Chunk, List <SPR2Parser> Sprites) : base(Chunk)
{
MemoryStream MemStream = new MemoryStream(Chunk.Data);
BinaryReader Reader = new BinaryReader(MemStream);
m_ID = ID;
m_Sprites = Sprites;
//Reader.BaseStream.Position = INDEX_VERSION;
m_Version = Reader.ReadUInt16() - 20000;
uint Count = (m_Version < 3) ? Reader.ReadUInt16() : Reader.ReadUInt32();
uint SpriteCount, DirectionFlag, Zoom;
for (int i = 0; i < Count; i++)
{
if (m_Version < 3)
{
SpriteCount = Reader.ReadUInt16();
DirectionFlag = Reader.ReadByte();
Zoom = Reader.ReadByte();
}
else
{
DirectionFlag = Reader.ReadUInt32();
Zoom = Reader.ReadUInt32();
SpriteCount = Reader.ReadUInt32();
}
DrawGroupImg Image = new DrawGroupImg(SpriteCount, DirectionFlag, Zoom);
for (int j = 0; j < SpriteCount; j++)
{
ushort Tag = 0;
int PixelX = 0, PixelY = 0;
uint SprID = 0, SprFrameID = 0, Flags = 0;
float ZOffset = 0, XOffset = 0, YOffset = 0;
if (m_Version < 3)
{
Tag = Reader.ReadUInt16();
SprID = Reader.ReadUInt16();
SprFrameID = Reader.ReadUInt16();
Flags = Reader.ReadUInt16();
PixelX = Reader.ReadInt16();
PixelY = Reader.ReadInt16();
if (m_Version == 1)
{
ZOffset = Reader.ReadUInt32();
}
}
else
{
SprID = Reader.ReadUInt32();
SprFrameID = Reader.ReadUInt32();
PixelX = Reader.ReadInt32();
PixelY = Reader.ReadInt32();
ZOffset = Reader.ReadUInt32();
Flags = Reader.ReadUInt32();
if (m_Version == 4)
{
XOffset = Reader.ReadUInt32();
YOffset = Reader.ReadUInt32();
}
}
SpriteFrame Frame = FindSpriteFrame(SprID, SprFrameID);
if (Frame != null)
{
DrawGroupSprite Sprite = new DrawGroupSprite(Tag, Flags, new PixelOffset(PixelX, PixelY),
new WorldOffset(XOffset, YOffset, ZOffset), Frame);
Image.Sprites.Insert(0, Sprite);
}
}
//Image.CompileSprites();
m_Images.Add(Image);
}
}
/// <summary>
/// The DGRP chunk is used to combine multiple sprites into one object.
/// </summary>
/// <param name="ChunkData">The data for the chunk.</param>
/// <param name="Sprites">The sprites that the DGRP consists of.</param>
public DrawGroup(IffChunk Chunk, List<SPR2Parser> Sprites)
: base(Chunk)
{
MemoryStream MemStream = new MemoryStream(Chunk.Data);
BinaryReader Reader = new BinaryReader(MemStream);
m_ID = ID;
m_Sprites = Sprites;
//Reader.BaseStream.Position = INDEX_VERSION;
m_Version = Reader.ReadUInt16() - 20000;
uint Count = (m_Version < 3) ? Reader.ReadUInt16() : Reader.ReadUInt32();
uint SpriteCount, DirectionFlag, Zoom;
for (int i = 0; i < Count; i++)
{
if (m_Version < 3)
{
SpriteCount = Reader.ReadUInt16();
DirectionFlag = Reader.ReadByte();
Zoom = Reader.ReadByte();
}
else
{
DirectionFlag = Reader.ReadUInt32();
Zoom = Reader.ReadUInt32();
SpriteCount = Reader.ReadUInt32();
}
DrawGroupImg Image = new DrawGroupImg(SpriteCount, DirectionFlag, Zoom);
for (int j = 0; j < SpriteCount; j++)
{
ushort Tag = 0;
int PixelX = 0, PixelY = 0;
uint SprID = 0, SprFrameID = 0, Flags = 0;
float ZOffset = 0, XOffset = 0, YOffset = 0;
if (m_Version < 3)
{
Tag = Reader.ReadUInt16();
SprID = Reader.ReadUInt16();
SprFrameID = Reader.ReadUInt16();
Flags = Reader.ReadUInt16();
PixelX = Reader.ReadInt16();
PixelY = Reader.ReadInt16();
if (m_Version == 1)
ZOffset = Reader.ReadUInt32();
}
else
{
SprID = Reader.ReadUInt32();
SprFrameID = Reader.ReadUInt32();
PixelX = Reader.ReadInt32();
PixelY = Reader.ReadInt32();
ZOffset = Reader.ReadUInt32();
Flags = Reader.ReadUInt32();
if (m_Version == 4)
{
XOffset = Reader.ReadUInt32();
YOffset = Reader.ReadUInt32();
}
}
SpriteFrame Frame = FindSpriteFrame(SprID, SprFrameID);
if (Frame != null)
{
DrawGroupSprite Sprite = new DrawGroupSprite(Tag, Flags, new PixelOffset(PixelX, PixelY),
new WorldOffset(XOffset, YOffset, ZOffset), Frame);
Image.Sprites.Insert(0, Sprite);
}
}
//Image.CompileSprites();
m_Images.Add(Image);
}
}