public MobdAnimation(Stream stream)
{
// OpenRA needs the same amount of frames per facing, filling up missing frames:
var missingFrameWorkaround = 0;
// Beetle => 10,10,10,8,10,10,10,10,10,10,10,10,10,10,10,10
missingFrameWorkaround += stream.Position == 174278 ? 2 : 0;
// Flame => 9,9,9,9,8,8,9,9,9,9,9,9,9,9,9,9
missingFrameWorkaround += stream.Position is 2010426 or 2010466 ? 1 : 0;
// Gort => 10,11,11,11,11,11,11,11,11,11,11,11,11,11,11,11
missingFrameWorkaround += stream.Position == 2094122 ? 1 : 0;
// TODO add gen2 ones here! (Worm projectile, ...)
// TODO this is likely the animation speed.
// Pattern is 0x00aabbcc
// 0x00000010
// 0x00aaaa2a
// flipping the bytes to 0xccbbaa00 makes more sence:
// 0x10000000
// 0x2aaaaa00
// Notes:
// 0x10000000 is the most common value
// cc is never 00
// aa and bb often consist of the same value: 0000 1111 8888 aaaa ...
stream.ReadUInt32(); // TODO Unk
var frames = new List <MobdFrame>();
while (true)
{
var value = stream.ReadInt32();
if (value is 0 or - 1)
{
break; // TODO 0 might mean "repeat", -1 might mean "do not repeat"
}
var returnPosition = stream.Position;
stream.Position = value;
var frame = new MobdFrame(stream);
frames.Add(frame);
if (missingFrameWorkaround-- > 0)
{
frames.Add(frame);
}
stream.Position = returnPosition;
}
this.Frames = frames.ToArray();
}
public MobdSpriteFrame(MobdFrame mobdFrame)
{
var width = mobdFrame.RenderFlags.Image.Width;
var height = mobdFrame.RenderFlags.Image.Height;
var x = mobdFrame.OriginX;
var y = mobdFrame.OriginY;
Size = new Size((int)width, (int)height);
FrameSize = new Size((int)width, (int)height);
Offset = new int2((int)(width / 2 - x), (int)(height / 2 - y));
Data = mobdFrame.RenderFlags.Image.Pixels;
Palette = mobdFrame.RenderFlags.Palette;
Points = mobdFrame.Points;
}
public MobdSpriteFrame(MobdFrame mobdFrame)
{
var width = mobdFrame.RenderFlags.Image.Width;
var height = mobdFrame.RenderFlags.Image.Height;
var x = mobdFrame.OffsetX;
var y = mobdFrame.OffsetY;
this.Size = new(width, height);
this.FrameSize = new(width, height);
this.Offset = new int2((int)(width / 2 - x), (int)(height / 2 - y));
this.Data = mobdFrame.RenderFlags.Image.Pixels;
this.Palette = mobdFrame.RenderFlags.Palette;
this.Points = mobdFrame.Points;
}
