public bool tryMerge(PrimitiveGroup g2)
{
HashSet <int> tempIds = new HashSet <int>();
foreach (int i in nodeIds)
{
tempIds.Add(i);
}
foreach (int i in g2.nodeIds)
{
tempIds.Add(i);
}
if (tempIds.Count <= 10)
{
for (int i = 0; i < g2.Triangles.Count; i++)
{
AddTriangle(g2.Triangles[i]);
}
for (int i = 0; i < g2.Tristrips.Count; i++)
{
AddTristrip(g2.Tristrips[i]);
}
return(true);
}
return(false);
}
internal void ExtractPrimitives(MDL0Object* header, ref ElementDescriptor desc, byte** pOut, byte** pAssets)
{
int count;
uint index = 0, temp;
byte* pData = (byte*)header->PrimitiveData;
byte* pTemp = (byte*)pData;
ushort* indices = (ushort*)_indices.Address;
IMatrixNode[] cache = _polygon.Model._linker.NodeCache;
//Get element count for each primitive type
int d3 = 0, d2 = 0, d1 = 0;
uint p3 = 0, p2 = 0, p1 = 0;
uint[] p1arr = null, p2arr = null, p3arr = null;
bool newGroup = true;
PrimitiveGroup group = new PrimitiveGroup();
ushort id;
//Get counts for each primitive type, and assign face points
NextPrimitive:
byte cmd = *pTemp++;
if (cmd <= 0x38 && cmd >= 0x20)
{
if (newGroup == false)
{
_polygon._primGroups.Add(group);
group = new PrimitiveGroup() { _offset = (uint)((pTemp - 1) - pData) };
newGroup = true;
}
if (!group._nodes.Contains(id = *(bushort*)pTemp) && id != ushort.MaxValue)
group._nodes.Add(id);
}
//Switch by primitive type and increment as well so we can read the count.
switch ((GXListCommand)cmd)
{
//Fill weight cache
case GXListCommand.LoadIndexA: //Positions
group._nodeOffsets.Add(new NodeOffset((uint)(pTemp - pData) - group._offset, cache[*(bushort*)pTemp]));
//Set weight node for facepoint extraction
desc.SetNode(ref pTemp, (byte*)pData);
goto NextPrimitive;
case GXListCommand.LoadIndexB: //Normals
case GXListCommand.LoadIndexC: //UVs
group._nodeOffsets.Add(new NodeOffset((uint)(pTemp - pData) - group._offset, cache[*(bushort*)pTemp]));
pTemp += 4; //Skip
goto NextPrimitive;
case GXListCommand.LoadIndexD: //Lights
Console.WriteLine("There are lights in here!");
pTemp += 4; //Skip
goto NextPrimitive;
case GXListCommand.DrawQuads:
if (newGroup == true) newGroup = false;
d3 += (count = *(bushort*)pTemp) / 2 * 3;
group._headers.Add(new PrimitiveHeader() { Type = WiiPrimitiveType.Quads, Entries = (ushort)count });
break;
case GXListCommand.DrawTriangles:
if (newGroup == true) newGroup = false;
d3 += (count = *(bushort*)pTemp);
group._headers.Add(new PrimitiveHeader() { Type = WiiPrimitiveType.TriangleList, Entries = (ushort)count });
break;
case GXListCommand.DrawTriangleFan:
if (newGroup == true) newGroup = false;
d3 += ((count = *(bushort*)pTemp) - 2) * 3;
group._headers.Add(new PrimitiveHeader() { Type = WiiPrimitiveType.TriangleFan, Entries = (ushort)count });
break;
case GXListCommand.DrawTriangleStrip:
if (newGroup == true) newGroup = false;
d3 += ((count = *(bushort*)pTemp) - 2) * 3;
group._headers.Add(new PrimitiveHeader() { Type = WiiPrimitiveType.TriangleStrip, Entries = (ushort)count });
break;
case GXListCommand.DrawLines:
if (newGroup == true) newGroup = false;
d2 += (count = *(bushort*)pTemp);
group._headers.Add(new PrimitiveHeader() { Type = WiiPrimitiveType.Lines, Entries = (ushort)count });
break;
case GXListCommand.DrawLineStrip:
if (newGroup == true) newGroup = false;
d2 += ((count = *(bushort*)pTemp) - 1) * 2;
group._headers.Add(new PrimitiveHeader() { Type = WiiPrimitiveType.LineStrip, Entries = (ushort)count });
break;
case GXListCommand.DrawPoints:
if (newGroup == true) newGroup = false;
d1 += (count = *(bushort*)pTemp);
group._headers.Add(new PrimitiveHeader() { Type = WiiPrimitiveType.Points, Entries = (ushort)count });
break;
default:
_polygon._primGroups.Add(group);
goto Next; //No more primitives.
}
pTemp += 2;
//Extract facepoints here!
desc.Run(ref pTemp, pAssets, pOut, count, group, ref indices, _polygon.Model._linker.NodeCache);
goto NextPrimitive;
Next: //Create primitives
if (d3 > 0)
{ _triangles = new NewPrimitive(d3, BeginMode.Triangles); p3arr = _triangles._indices; }
else _triangles = null;
if (d2 > 0)
{ _lines = new NewPrimitive(d2, BeginMode.Lines); p2arr = _lines._indices; }
else _lines = null;
if (d1 > 0)
{ _points = new NewPrimitive(d1, BeginMode.Points); p1arr = _points._indices; }
else _points = null;
//Extract indices in reverse order, this way we get CCW winding.
Top:
switch ((GXListCommand)(*pData++))
{
case GXListCommand.LoadIndexA:
case GXListCommand.LoadIndexB:
case GXListCommand.LoadIndexC:
case GXListCommand.LoadIndexD:
pData += 4; //Skip
goto Top;
case GXListCommand.DrawQuads:
count = *(bushort*)pData;
for (int i = 0; i < count; i += 4)
{
p3arr[p3++] = index;
p3arr[p3++] = (uint)(index + 2);
p3arr[p3++] = (uint)(index + 1);
p3arr[p3++] = index;
p3arr[p3++] = (uint)(index + 3);
p3arr[p3++] = (uint)(index + 2);
index += 4;
}
break;
case GXListCommand.DrawTriangles:
count = *(bushort*)pData;
for (int i = 0; i < count; i += 3)
{
p3arr[p3++] = (uint)(index + 2);
p3arr[p3++] = (uint)(index + 1);
p3arr[p3++] = index;
index += 3;
}
break;
case GXListCommand.DrawTriangleFan:
count = *(bushort*)pData;
temp = index++;
for (int i = 2; i < count; i++)
{
p3arr[p3++] = temp;
p3arr[p3++] = (uint)(index + 1);
p3arr[p3++] = index++;
}
index++;
break;
case GXListCommand.DrawTriangleStrip:
count = *(bushort*)pData;
index += 2;
for (int i = 2; i < count; i++)
{
p3arr[p3++] = index;
p3arr[p3++] = (uint)(index - 1 - (i & 1));
p3arr[p3++] = (uint)((index++) - 2 + (i & 1));
}
break;
case GXListCommand.DrawLines:
count = *(bushort*)pData;
for (int i = 0; i < count; i++)
p2arr[p2++] = index++;
break;
case GXListCommand.DrawLineStrip:
count = *(bushort*)pData;
for (int i = 1; i < count; i++)
{
p2arr[p2++] = index++;
p2arr[p2++] = index;
}
index++;
break;
case GXListCommand.DrawPoints:
count = *(bushort*)pData;
for (int i = 0; i < count; i++)
p1arr[p1++] = index++;
break;
default: return;
}
pData += 2 + count * desc.Stride;
goto Top;
}
//Decode a single primitive using command list
public void Run(ref byte* pIn, byte** pAssets, byte** pOut, int count, PrimitiveGroup group, ref ushort* indices, IMatrixNode[] nodeTable)
{
//pIn is the address in the primitives
//pOut is address of the face data buffers
//pAssets is the address of the raw asset buffers
int weight = 0;
int index = 0, outSize;
DecodeOp o;
ElementDef* pDef;
byte* p;
byte[] pTexMtx = new byte[8];
byte* tIn, tOut;
group._points.Add(new List<Facepoint>());
//Iterate commands in list
fixed (ushort* pNode = Nodes)
fixed (int* pDefData = Defs)
fixed (byte* pCmd = Commands)
{
for (int i = 0; i < count; i++)
{
pDef = (ElementDef*)pDefData;
p = pCmd;
Facepoint f = new Facepoint();
Continue:
o = (DecodeOp)(*p++);
switch (o)
{
//Process weight using cache
case DecodeOp.PosWeight:
weight = pNode[*pIn++ / 3];
goto Continue;
case DecodeOp.TexMtx0:
case DecodeOp.TexMtx1:
case DecodeOp.TexMtx2:
case DecodeOp.TexMtx3:
case DecodeOp.TexMtx4:
case DecodeOp.TexMtx5:
case DecodeOp.TexMtx6:
case DecodeOp.TexMtx7:
index = (int)o - (int)DecodeOp.TexMtx0;
//if (*pIn++ == 0x60) //Identity matrix...
// Console.WriteLine();
pTexMtx[index] = (byte)(*pIn++ / 3);
goto Continue;
case DecodeOp.ElementDirect:
ElementCodec.Decoders[pDef->Output](ref pIn, ref pOut[pDef->Type], VQuant.DeQuantTable[pDef->Scale]);
goto Continue;
case DecodeOp.ElementIndexed:
//Get asset index
if (pDef->Format == 2)
{
index = *(bushort*)pIn;
pIn += 2;
}
else
index = *pIn++;
switch (pDef->Type)
{
case 0:
f._vertexIndex = index;
break;
case 1:
f._normalIndex = index;
break;
case 2:
case 3:
f._colorIndices[pDef->Type - 2] = index;
break;
default:
f._UVIndices[pDef->Type - 4] = index;
break;
}
if (pDef->Type == 0) //Special processing for vertices
{
//Match weight and index with remap table
int mapEntry = (weight << 16) | index;
//Find matching index, starting at end of list
//Lower index until a match is found at that index or index is less than 0
index = RemapSize;
while ((--index >= 0) && (RemapTable[index] != mapEntry)) ;
//No match, create new entry
//Will be processed into vertices at the end!
if (index < 0)
{
RemapTable[index = RemapSize++] = mapEntry;
_points.Add(new List<Facepoint>());
}
//Write index
*indices++ = (ushort)index;
_points[index].Add(f);
}
else
{
//Copy data from buffer
outSize = pDef->Output;
//Input data from asset cache
tIn = pAssets[pDef->Type] + (index * outSize);
tOut = pOut[pDef->Type];
if (tIn != null && tOut != null)
{
//Copy data to output
while (outSize-- > 0)
*tOut++ = *tIn++;
//Increment element output pointer
pOut[pDef->Type] = tOut;
}
}
pDef++;
goto Continue;
default: break; //End
}
group._points[group._points.Count - 1].Add(f);
}
}
}
internal void WriteFacepoint(Facepoint f, PrimitiveGroup g, FacepointAttribute[] desc, ref VoidPtr address, MDL0ObjectNode node)
{
foreach (FacepointAttribute d in desc)
switch (d._attr)
{
case GXAttribute.PosNrmMtxId:
if (d._type == XFDataFormat.Direct)
*(byte*)address++ = (byte)(3 * g._nodes.IndexOf(f.NodeID));
break;
case GXAttribute.Tex0MtxId:
case GXAttribute.Tex1MtxId:
case GXAttribute.Tex2MtxId:
case GXAttribute.Tex3MtxId:
case GXAttribute.Tex4MtxId:
case GXAttribute.Tex5MtxId:
case GXAttribute.Tex6MtxId:
case GXAttribute.Tex7MtxId:
if (d._type == XFDataFormat.Direct)
*(byte*)address++ = (byte)(30 + (3 * g._nodes.IndexOf(f.NodeID)));
break;
case GXAttribute.Position:
switch (d._type)
{
case XFDataFormat.Direct:
byte* addr = (byte*)address;
node.Model._linker._vertices[node._elementIndices[0]].Write(ref addr, f._vertexIndex);
address = addr;
break;
case XFDataFormat.Index8:
*(byte*)address++ = (byte)f._vertexIndex;
break;
case XFDataFormat.Index16:
*(bushort*)address = (ushort)f._vertexIndex;
address += 2;
break;
}
break;
case GXAttribute.Normal:
switch (d._type)
{
case XFDataFormat.Direct:
byte* addr = (byte*)address;
node.Model._linker._normals[node._elementIndices[1]].Write(ref addr, f._normalIndex);
address = addr;
break;
case XFDataFormat.Index8:
*(byte*)address++ = (byte)f._normalIndex;
break;
case XFDataFormat.Index16:
*(bushort*)address = (ushort)f._normalIndex;
address += 2;
break;
}
break;
case GXAttribute.Color0:
case GXAttribute.Color1:
switch (d._type)
{
case XFDataFormat.Direct:
int index = (int)d._attr - 11;
byte* addr = (byte*)address;
node.Model._linker._colors[node._elementIndices[index + 2]].Write(ref addr, f._colorIndices[index]);
address = addr;
break;
case XFDataFormat.Index8:
if (_polygon._colorChanged[(int)d._attr - (int)GXAttribute.Color0] && _polygon._colorSet[(int)d._attr - (int)GXAttribute.Color0] != null)
*(byte*)address++ = 0;
else
*(byte*)address++ = (byte)f._colorIndices[(int)d._attr - 11];
break;
case XFDataFormat.Index16:
if (_polygon._colorChanged[(int)d._attr - (int)GXAttribute.Color0] && _polygon._colorSet[(int)d._attr - (int)GXAttribute.Color0] != null)
*(bushort*)address = 0;
else
*(bushort*)address = (ushort)f._colorIndices[(int)d._attr - 11];
address += 2;
break;
}
break;
case GXAttribute.Tex0:
case GXAttribute.Tex1:
case GXAttribute.Tex2:
case GXAttribute.Tex3:
case GXAttribute.Tex4:
case GXAttribute.Tex5:
case GXAttribute.Tex6:
case GXAttribute.Tex7:
switch (d._type)
{
case XFDataFormat.Direct:
int index = (int)d._attr - 13;
byte* addr = (byte*)address;
node.Model._linker._uvs[node._elementIndices[index + 4]].Write(ref addr, f._UVIndices[index]);
address = addr;
break;
case XFDataFormat.Index8:
*(byte*)address++ = (byte)f._UVIndices[(int)d._attr - 13];
break;
case XFDataFormat.Index16:
*(bushort*)address = (ushort)f._UVIndices[(int)d._attr - 13];
address += 2;
break;
}
break;
}
}