public static SpriteInfo GetSpriteInfo(GMFileContent content, uint id, Dictionary <uint, uint> toil = null)
{
if (id >= content.Sprites->Count)
{
throw new ArgumentOutOfRangeException(nameof(id));
}
var se = (SpriteEntry *)GMFile.PtrFromOffset(content, (&content.Sprites->Offsets)[id]);
var ret = new SpriteInfo();
ret.Name = StringFromOffset(content, se->Name);
ret.Size = se->Size;
ret.Bounding = se->Bounding;
ret.BBoxMode = se->BBoxMode;
ret.Origin = se->Origin;
ret.Version = 1;
ret.SeparateColMasks = se->SeparateColMasks.IsTrue();
var tex = &se->Textures;
if (tex->Count == ~(uint)0)
{
var se2 = (SpriteEntry2 *)GMFile.PtrFromOffset(content, (&content.Sprites->Offsets)[id]);
tex = &se2->Textures;
ret.Version = 2;
ret.UnknownFloat = se2->funk;
}
if (tex->Count == ~(uint)0)
{
Console.Error.WriteLine($"Warning: texture count of sprite {id} ({((ulong)se-(ulong)content.RawData.BPtr).ToString(SR.HEX_FM8)}) is -1.");
return(ret);
}
ret.TextureIndices = new uint[tex->Count];
for (uint i = 0; i < tex->Count; i++)
{
if (toil == null)
{
for (uint j = 0; j < content.TexturePages->Count; j++)
{
if ((&tex->Offsets)[i] == (&content.TexturePages->Offsets)[j])
{
ret.TextureIndices[i] = j;
break;
}
}
}
else
{
ret.TextureIndices[i] = toil[(&tex->Offsets)[i]];
}
}
SpriteCollisionMask *masks =
(SpriteCollisionMask *)((ulong)&tex->Offsets + sizeof(uint) * tex->Count);
// TODO: store this in a different way. this is wasteful as f**k.
uint amt = ret.SeparateColMasks ? masks->MaskCount : 1;
//Console.WriteLine("amt="+amt.ToString(SR.HEX_FM8) + " at " + ((ulong)&masks->MaskCount - (ulong)content.RawData.BPtr).ToString(SR.HEX_FM8));
if (amt < 0x100) // guesstimate
{
ret.CollisionMasks = new bool[amt][, ];
byte *maskData = &masks->MaskData;
uint w = (uint)(ret.Size.X & 0x7FFFFFFF);
uint h = (uint)(ret.Size.Y & 0x7FFFFFFF);
uint wPad = (((w & 7) == 0) ? w : (w - (w & 7) + 8)) / 8;
for (uint i = 0; i < amt; i++)
{
bool[,] stuff = new bool[wPad * 8, h];
for (uint y = 0; y < h; y++)
{
for (uint x = 0; x < wPad * 8; x++)
{
uint rown = y * wPad;
uint byten = x >> 3;
byte bitn = (byte)(x & 7);
byte *curptr = maskData + rown + byten;
byte curbyte = *curptr;
byte curbit = (byte)(curbyte & (byte)(1 << bitn));
stuff[x, y] = curbit != 0;
}
}
ret.CollisionMasks[i] = stuff;
maskData += wPad * h;
}
}
else
{
Console.Error.WriteLine($"Warning: collision mask of sprite {id} ({((ulong)se - (ulong)content.RawData.BPtr).ToString(SR.HEX_FM8)}) is bogus ({amt.ToString(SR.HEX_FM8)}), ignoring...");
}
return(ret);
}
public static SpriteInfo GetSpriteInfo(GMFileContent content, uint id)
{
if (id >= content.Sprites->Count)
{
throw new ArgumentOutOfRangeException(nameof(id));
}
var se = (SpriteEntry *)GMFile.PtrFromOffset(content, (&content.Sprites->Offsets)[id]);
var ret = new SpriteInfo();
ret.Name = StringFromOffset(content, se->Name);
ret.Size = se->Size;
ret.Bounding = se->Bounding;
ret.BBoxMode = se->BBoxMode;
ret.Origin = se->Origin;
ret.SeparateColMasks = se->SeparateColMasks.IsTrue();
ret.TextureIndices = new uint[se->Textures.Count];
for (uint i = 0; i < se->Textures.Count; i++)
{
for (uint j = 0; j < content.TexturePages->Count; j++)
{
if ((&se->Textures.Offsets)[i] == (&content.TexturePages->Offsets)[j])
{
ret.TextureIndices[i] = j;
break;
}
}
}
SpriteCollisionMask *masks =
(SpriteCollisionMask *)&se->Textures + sizeof(uint) * se->Textures.Count;
uint amt = ret.SeparateColMasks ? masks->MaskCount : 1;
//Console.WriteLine("amt="+amt.ToString(SR.HEX_FM8) + " at " + ((ulong)&masks->MaskCount - (ulong)content.RawData.BPtr).ToString(SR.HEX_FM8));
if (amt < 0x100) // guesstimate
{
ret.CollisionMasks = new bool[amt][, ];
byte *maskData = &masks->MaskData;
uint w = (uint)(ret.Size.X & 0x7FFFFFFF);
uint h = (uint)(ret.Size.Y & 0x7FFFFFFF);
uint wPad = ((w & 7) == 0) ? w : (w - (w & 7) + 8);
for (uint i = 0; i < amt; i++)
{
bool[,] stuff = new bool[w, h];
for (uint y = 0; y < h; y++)
{
for (uint x = 0; x < w; x++)
{
uint rown = y * wPad;
uint byten = x >> 3;
byte bitn = (byte)(x & 7);
byte *curptr = maskData + rown + byten;
byte curbyte = *curptr;
byte curbit = (byte)(curbyte & (byte)(1 << bitn));
stuff[x, y] = curbit != 0;
}
}
ret.CollisionMasks[i] = stuff;
maskData += wPad * h;
}
}
else
{
Console.WriteLine($"Warning: collision mask of sprite {id} ({((ulong)se - (ulong)content.RawData.BPtr).ToString(SR.HEX_FM8)}) is bogus ({amt.ToString(SR.HEX_FM8)}), ignoring...");
}
return(ret);
}