public static List <string> AnalyzeDlists(Z64Object obj, byte[] data, int segmentId)
{
List <string> errors = new List <string>();
List <int> dlists = new List <int>();
for (int i = 0; i < obj.Entries.Count; i++)
{
var entry = obj.Entries[i];
if (entry.GetEntryType() == Z64Object.EntryType.DList)
{
dlists.Add(obj.OffsetOf(entry));
}
else
{
obj.Entries[i] = new Z64Object.UnknowHolder($"unk_{obj.OffsetOf(entry):X8}", entry.GetData());
}
}
foreach (var dlist in dlists)
{
uint lastTexAddr = 0xFFFFFFFF;
G_IM_FMT lastFmt = (G_IM_FMT)(-1);
G_IM_SIZ lastSiz = (G_IM_SIZ)(-1);
Z64Object.TextureHolder lastTlut = null;
Z64Object.TextureHolder lastCiTex = null;
bool exit = false;
for (int i = dlist; i < data.Length && !exit; i += 8)
{
CmdID op = (CmdID)data[i];
switch (op)
{
case CmdID.G_QUAD:
case CmdID.G_TRI2:
case CmdID.G_TRI1:
case CmdID.G_TEXRECTFLIP:
case CmdID.G_TEXRECT:
{
if (lastCiTex != null && lastTlut != null)
{
lastCiTex.Tlut = lastTlut;
lastCiTex = null;
}
break;
}
case CmdID.G_ENDDL:
{
exit = true;
break;
}
case CmdID.G_MTX:
{
var gmtx = CmdInfo.DecodeCommand <GMtx>(data, i);
var addr = new SegmentedAddress(gmtx.mtxaddr);
if (addr.Segmented && addr.SegmentId == segmentId)
{
obj.AddMtx(1, off: (int)addr.SegmentOff);
}
break;
}
case CmdID.G_VTX:
{
var gvtx = CmdInfo.DecodeCommand <GVtx>(data, i);
var addr = new SegmentedAddress(gvtx.vaddr);
if (addr.Segmented && addr.SegmentId == segmentId)
{
try
{
obj.AddVertices(gvtx.numv, off: (int)addr.SegmentOff);
}
catch (Exception ex)
{
errors.Add($"Error in Dlist 0x{new SegmentedAddress(segmentId, dlist).VAddr:X8} : {ex.Message}");
}
}
break;
}
case CmdID.G_SETTIMG:
{
var settimg = CmdInfo.DecodeCommand <GSetTImg>(data, i);
lastTexAddr = settimg.imgaddr;
break;
}
case CmdID.G_SETTILE:
{
var settile = CmdInfo.DecodeCommand <GSetTile>(data, i);
if (settile.tile != G_TX_TILE.G_TX_LOADTILE)
{
lastFmt = settile.fmt;
lastSiz = settile.siz;
}
break;
}
case CmdID.G_SETTILESIZE:
{
var settilesize = CmdInfo.DecodeCommand <GLoadTile>(data, i);
var addr = new SegmentedAddress(lastTexAddr);
if ((int)lastFmt == -1 || (int)lastSiz == -1 || lastTexAddr == 0xFFFFFFFF)
{
/* can't really thow an exception here since in some object files, there are two gsDPSetTileSize next to each other (see object_en_warp_uzu) */
//throw new Z64ObjectAnalyzerException();
break;
}
if (addr.Segmented && addr.SegmentId == segmentId)
{
try
{
var tex = obj.AddTexture((int)(settilesize.lrs.Float() + 1), (int)(settilesize.lrt.Float() + 1), N64Texture.ConvertFormat(lastFmt, lastSiz), off: (int)addr.SegmentOff);
if (lastFmt == G_IM_FMT.G_IM_FMT_CI)
{
lastCiTex = tex;
}
}
catch (Exception ex)
{
errors.Add($"Error in Dlist 0x{new SegmentedAddress(segmentId, dlist).VAddr:X8} : {ex.Message}");
}
}
lastFmt = (G_IM_FMT)(-1);
lastSiz = (G_IM_SIZ)(-1);
lastTexAddr = 0xFFFFFFFF;
break;
}
case CmdID.G_LOADTLUT:
{
var loadtlut = CmdInfo.DecodeCommand <GLoadTlut>(data, i);
var addr = new SegmentedAddress(lastTexAddr);
if (lastTexAddr == 0xFFFFFFFF)
{
throw new Z64ObjectAnalyzerException();
}
int w = GetTlutWidth(loadtlut.count + 1);
if (addr.Segmented && addr.SegmentId == segmentId)
{
try
{
lastTlut = obj.AddTexture(w, (loadtlut.count + 1) / w, N64Texture.ConvertFormat(G_IM_FMT.G_IM_FMT_RGBA, G_IM_SIZ.G_IM_SIZ_16b), off: (int)addr.SegmentOff);
}
catch (Exception ex)
{
errors.Add($"Error in Dlist 0x{new SegmentedAddress(segmentId, dlist).VAddr:X8} : {ex.Message}");
}
}
break;
}
}
}
}
// These are carried out here as they are dependent on a lot of heuristics.
// Having lots of the object already mapped out reduces possible mis-identifications.
FindSkeletons(obj, data, segmentId);
FindAnimations(obj, data, segmentId);
obj.GroupUnkEntries();
obj.FixNames();
obj.SetData(data);
return(errors);
}
private static Tuple <List <int>, List <ReservedRegion> > FindRegions(byte[] data, int segmentId, Config cfg)
{
List <ReservedRegion> regions = new List <ReservedRegion>();
List <int> dlists = new List <int>();
var codeEnds = Utils.FindData(data, new byte[] { (byte)CmdID.G_ENDDL, 0, 0, 0, 0, 0, 0, 0, }, 8);
codeEnds.Insert(0, 0);
for (int i = 1; i < codeEnds.Count; i++)
{
int end = codeEnds[i];
int texels = -1;
uint half1 = 0xFFFFFFFF;
for (int off = end; off >= codeEnds[i - 1] + 8; off -= 8)
{
CmdID op = (CmdID)data[off];
if (IsOverlap(off, regions) || !IsOpCodeCorrect(data, off, cfg))
{
break;
}
switch (op)
{
case CmdID.G_RDPHALF_1:
{
half1 = CmdInfo.DecodeCommand <GRdpHalf>(data, off).word;
break;
}
case CmdID.G_BRANCH_Z:
{
AddDlist(dlists, segmentId, half1, data.Length);
break;
}
case CmdID.G_DL:
{
var gdl = CmdInfo.DecodeCommand <GDl>(data, off);
AddDlist(dlists, segmentId, gdl.dl, data.Length);
break;
}
case CmdID.G_VTX:
{
var gmtx = CmdInfo.DecodeCommand <GVtx>(data, off);
AddRegion(regions, segmentId, gmtx.vaddr, gmtx.numv * 0x10, data.Length);
break;
}
case CmdID.G_SETTIMG:
{
var settimg = CmdInfo.DecodeCommand <GSetTImg>(data, off);
if (texels == -1)
{
break;
}
AddRegion(regions, segmentId, settimg.imgaddr, N64Texture.GetTexSize(texels, settimg.siz), data.Length);
texels = -1;
break;
}
case CmdID.G_LOADBLOCK:
{
var loadblock = CmdInfo.DecodeCommand <GLoadBlock>(data, off);
texels = loadblock.texels + 1;
break;
}
case CmdID.G_LOADTLUT:
{
var loadtlut = CmdInfo.DecodeCommand <GLoadTlut>(data, off);
texels = loadtlut.count + 1;
break;
}
default:
break;
}
}
}
return(new Tuple <List <int>, List <ReservedRegion> >(dlists, regions));
}
