public static int GetSegmentedAddress(DisplayListCommand cmd)
{
cmd.Position = 4;
int value = cmd.ReadInt32();
cmd.Position = 0;
return(value);
}
/// <summary>Parse a Displaylist to an Object3D.</summary>
/// <param name="obj">The Object3D where the model should be parsed to.</param>
/// <param name="dl">The Displaylist which should be parsed.</param>
/// <param name="rommgr">The RomManager Instance to use.</param>
/// <param name="AreaID">The Area ID if avaiable.</param>
public static void Convert(Object3D obj, DisplayList dl, RomManager rommgr, byte?AreaID)
{
if (dl.Script.Count == 0 || dl.GeoPointer is null)
{
return;
}
int cmdIndex = 0;
DisplayListCommand cmd = null;
byte[] cmdarr = null;
var knownTextures = new Dictionary <int, Material>();
var knownColors = new Dictionary <int, Color>();
var knownVertices = new Dictionary <int, Vertex>();
var knownNormals = new Dictionary <int, Normal>();
var knownUVs = new Dictionary <int, UV>();
var knownVertexColors = new Dictionary <int, VertexColor>();
var knownShading = new Dictionary <int, Color>();
var dicVertexColorShading = new Dictionary <Color, VertexColor>();
var pointbuffer = new Pilz.S3DFileParser.Point[16];
var scaledVertices = new List <UV>();
Material curTexture = null;
Size curTexSize = default;
int curTexSegAddr = -1;
int curTexWrapT = 10497;
int curTexWrapS = 10497;
var curTexScale = new System.Numerics.Vector2(1.0F, 1.0F);
var curTexPalette = Array.Empty <byte>();
int curTexPaletteSegAddr = -1;
N64Graphics.N64Codec?curTexFormat = default;
uint curGeometryMode = 0x22205;
Mesh curMesh = null;
Color?curColor = default;
TextureLoadedInfos curTexLoadedInfos = null;
bool useUVOffsetFix = true;
int dlDepth = 0;
// Load Main Segmented Bank
var curSeg = GetSegBank(rommgr, dl.GeoPointer.SegPointer, AreaID);
if (curSeg is null)
{
return;
}
curMesh = new Mesh();
while (cmdIndex < dl.Script.Count /*&& dl.Script[cmdIndex].CommandType != CommandTypes.EndDisplaylist*/)
{
cmd = dl.Script[cmdIndex];
cmdarr = cmd.ToArray();
var switchExpr = cmd.CommandType; // &H20000
switch (switchExpr)
{
case CommandTypes.DisplayList:
if (cmdarr[1] != 1)
{
dlDepth += 1;
}
break;
case CommandTypes.EndDisplaylist:
if (dlDepth > 0)
{
dlDepth -= 1;
}
break;
case CommandTypes.ClearGeometryMode:
{
curGeometryMode = curGeometryMode & ~F3D_CLEARGEOMETRYMODE.GetGeometryMode(cmd);
break;
}
case CommandTypes.SetGeometryMode:
{
curGeometryMode = curGeometryMode | F3D_CLEARGEOMETRYMODE.GetGeometryMode(cmd);
break;
}
case CommandTypes.Movemem:
{
int segAddr = F3D_MOVEMEM.GetSegmentedOffset(cmd);
byte smode = F3D_MOVEMEM.GetLightValueMode(cmd);
if (smode == 0x86) // Load Shading Light (Diffuse) Color
{
if (knownShading.ContainsKey(segAddr))
{
curColor = knownShading[segAddr];
}
else
{
var colordata = new byte[4];
var seg = rommgr.GetSegBank(Conversions.ToByte(segAddr >> 24), AreaID);
// Read Color Data
seg.Data.Position = segAddr & 0xFFFFFF;
seg.Data.Read(colordata, 0, colordata.Length);
curColor = Color.FromArgb(0xFF, colordata[0], colordata[1], colordata[2]);
if (!dicVertexColorShading.ContainsKey((Color)curColor))
{
// Create new Vertex Color
var vc = new VertexColor()
{
R = colordata[0] / 256.0F, G = colordata[1] / 256.0F, B = colordata[2] / 256.0F, A = 1.0F
};
dicVertexColorShading.Add((Color)curColor, vc);
}
// Set as Vertex Color
knownShading.Add(segAddr, (Color)curColor);
}
}
break;
}
case CommandTypes.Loadtlut:
{
byte paletteTileDescritpr = cmdarr[4];
ushort numColorsToLoadInPalette;
curTexPaletteSegAddr = curTexSegAddr;
cmd.Position = 5;
numColorsToLoadInPalette = (ushort)(cmd.ReadUInt16() >> 6);
var seg = rommgr.GetSegBank(Conversions.ToByte(curTexPaletteSegAddr >> 24), AreaID);
curTexPalette = new byte[numColorsToLoadInPalette * 2 + 1 + 1];
int offset = curTexPaletteSegAddr & 0xFFFFFF;
for (int i = 1, loopTo = numColorsToLoadInPalette + 1; i <= loopTo; i++)
{
int ii = i * 2 - 2;
seg.Data.Position = offset + ii;
curTexPalette[ii] = Conversions.ToByte(seg.Data.ReadByte());
curTexPalette[ii + 1] = Conversions.ToByte(seg.Data.ReadByte());
}
break;
}
case CommandTypes.Triangle1:
{
var f = new Face();
if (curTexFormat is object)
{
ProcessTexture(obj, rommgr, AreaID, dl, (N64Graphics.N64Codec)curTexFormat, knownTextures, ref curTexture, curTexSegAddr, curTexSize, curTexWrapT, curTexWrapS, curTexScale, curTexPalette, curTexPaletteSegAddr, curColor, ref curTexLoadedInfos);
f.Material = curTexture;
}
for (int i = 1; i <= 3; i++)
{
byte pindex = F3D_TRI1.GetVertice(cmd, Conversions.ToByte(i));
if (pindex >= pointbuffer.Length)
{
return;
}
var p = pointbuffer[pindex];
if (p is object)
{
f.Points.Add(p);
}
}
// Shading (as Vertex Color)
if (curTexture?.Color is object && (curGeometryMode & (long)0x20000) != 0)
{
var vc = dicVertexColorShading[(Color)curTexture.Color];
foreach (Pilz.S3DFileParser.Point p in f.Points)
{
if (p.VertexColor is null)
{
if (dicVertexColorShading.ContainsKey((Color)curTexture.Color))
{
p.VertexColor = vc;
if (!curMesh.VertexColors.Contains(vc))
{
curMesh.VertexColors.Add(vc);
}
}
}
}
}
curMesh.Faces.Add(f);
break;
}
case CommandTypes.Vertex:
{
byte num = F3D_VTX.GetNumberOfVertices(cmd);
byte startindex = F3D_VTX.GetStartIndexInVertexBuffer(cmd);
short datalength = F3D_VTX.GetLengthOfVertexData(cmd);
int segAddr = F3D_VTX.GetSegmentedAddress(cmd);
if (num > 0)
{
for (int i = 0, loopTo1 = num; i <= loopTo1; i++)
{
var p = new Pilz.S3DFileParser.Point();
int curSegAddr = segAddr + i * 0x10;
var cs = GetSegBank(rommgr, curSegAddr, AreaID);
if (cs is null)
{
continue;
}
// Vertex
if (knownVertices.ContainsKey(curSegAddr))
{
p.Vertex = knownVertices[curSegAddr];
}
else
{
var vert = GetVertexFromStream(cs.Data, cs.BankOffsetFromSegAddr(curSegAddr), dl.GeoPointer.ModelOffset, dl.GeoPointer.ModelScale);
p.Vertex = vert;
curMesh.Vertices.Add(vert);
knownVertices.Add(curSegAddr, vert);
}
// UV
if (knownUVs.ContainsKey(curSegAddr))
{
p.UV = knownUVs[curSegAddr];
}
else
{
var uv = GetUVFromStream(cs.Data, cs.BankOffsetFromSegAddr(curSegAddr), curTexScale, curTexSize, useUVOffsetFix);
p.UV = uv;
curMesh.UVs.Add(uv);
knownUVs.Add(curSegAddr, uv);
}
if ((curGeometryMode & (long)0x20000) == 0)
{
// Vertex Color
if (knownVertexColors.ContainsKey(curSegAddr))
{
p.VertexColor = knownVertexColors[curSegAddr];
}
else
{
var vc = GetVertexColorFromStream(cs.Data, cs.BankOffsetFromSegAddr(curSegAddr));
p.VertexColor = vc;
curMesh.VertexColors.Add(vc);
knownVertexColors.Add(curSegAddr, vc);
}
}
// Normal
else if (knownNormals.ContainsKey(curSegAddr))
{
p.Normal = knownNormals[curSegAddr];
}
else
{
var n = GetNormalFromStream(cs.Data, cs.BankOffsetFromSegAddr(curSegAddr));
p.Normal = n;
curMesh.Normals.Add(n);
knownNormals.Add(curSegAddr, n);
}
pointbuffer[startindex + i] = p;
}
}
break;
}
case CommandTypes.SetImage:
{
int newAddr = F3D_SETIMG.GetSegmentedAddress(cmd);
if ((uint)newAddr != 0xFFFFFFFF)
{
curTexSegAddr = newAddr;
}
break;
}
case CommandTypes.SetTileSize:
{
curTexSize = F3D_SETTILESIZE.GetSize(cmd);
break;
}
case CommandTypes.SetTile:
{
cmd.Position = 4;
int checkVal = cmd.ReadInt32();
cmd.Position = 0;
if (checkVal != 0x7000000)
{
if (cmdarr[4] == 0)
{
curTexFormat = F3D_SETTILE.GetTextureFormat(cmd);
}
curTexWrapT = F3D_SETTILE.GetWrapT(cmd);
curTexWrapS = F3D_SETTILE.GetWrapS(cmd);
}
break;
}
case CommandTypes.Texture:
{
if ((curGeometryMode & (long)0x40000) == 0x40000)
{
curTexSize = F3D_TEXTURE.GetTextureSize(cmd);
}
else
{
curTexScale = F3D_TEXTURE.GetTextureScaling(cmd);
}
break;
}
case CommandTypes.SetOtherMode_H:
{
uint bits = F3D_SETOTHERMODE_H.GetModeBits(cmd);
bool nearestNeighbor = (bits & (long)0x2000) == 0;
useUVOffsetFix = !nearestNeighbor;
break;
}
}
cmdIndex += 1;
}
//if (curMesh.Faces.Any())
obj.Meshes.Add(curMesh);
}