public static uint ReadDLCommands(int FileNumber, UInt32 Address, ref DisplayListStruct ThisDL)
{
DLCommandStruct ThisCommand = new DLCommandStruct();
int Segment = (int)(Address >> 24);
UInt32 Offset = (Address & 0x00FFFFFF);
if (GameHandler.IsAddressValid(Address) == false) return Offset + 8;
// Loop through the Display List in memory until we reach an EndDL command
while (ThisCommand.ID != EndDLCmd)
{
// Take note of the command's data, type, name, memory location and file number
ThisCommand.w0 = GameHandler.Read32(GameHandler.RAM[Segment].Data, Offset);
ThisCommand.w1 = GameHandler.Read32(GameHandler.RAM[Segment].Data, Offset + 4);
ThisCommand.ID = (byte)(ThisCommand.w0 >> 24);
IdentifyCommand(ThisCommand.ID, ref ThisCommand.Name);
ThisCommand.Address = (((UInt32)Segment << 24) | Offset);
ThisCommand.InFileNumber = FileNumber;
// Add the command to our Display List's command structure
ThisDL.Commands.Add(ThisCommand);
// If the command is a DL call or a RDP_HALF1 storage, go and process that Display List next
if (ThisCommand.ID == DLCmd || ThisCommand.ID == RDPHalf1Cmd)
{
ReadDLCommands(FileNumber, ThisCommand.w1, ref ThisDL);
}
Offset += 8;
}
return Offset;
}
public static void ReadDL(int FileNumber, UInt32 Address, ref List<DisplayListStruct> DLists)
{
// Some sanity checking and data extraction from the RAM address
if (GameHandler.IsAddressValid(Address) == false) return;
// Prepare some temporary structures
DisplayListStruct ThisDL = new DisplayListStruct();
ThisDL.Commands = new List<DLCommandStruct>();
// Add identification information to the Display List
ThisDL.InFileNumber = FileNumber;
ThisDL.StartAddress = Address;
ThisDL.EndAddress = ((Address & 0xFF000000) | ReadDLCommands(FileNumber, Address, ref ThisDL));
ThisDL.GLID = GL.GenLists(1);
// Generate random color for picking
ThisDL.PickColor = RandomColor();
// Add the Display List to our DL list
DLists.Add(ThisDL);
}
public static void ParseAllDLs(ref List<DisplayListStruct> DLists)
{
// Clear primitive and environment colors
NGraphics.PrimColor = new NPrimColor(new Color4(0.5f, 0.5f, 0.5f, 0.5f), 0.0f, 0);
NGraphics.EnvColor = new Color4(0.5f, 0.5f, 0.5f, 0.5f);
GL.Arb.ProgramEnvParameter4(AssemblyProgramTargetArb.FragmentProgram, 0, NGraphics.PrimColor.Color.R, NGraphics.PrimColor.Color.G, NGraphics.PrimColor.Color.B, NGraphics.PrimColor.Color.A);
GL.Arb.ProgramEnvParameter4(AssemblyProgramTargetArb.FragmentProgram, 1, NGraphics.EnvColor.R, NGraphics.EnvColor.G, NGraphics.EnvColor.B, NGraphics.EnvColor.A);
// For temporary access by other functions
CurrentDLists = DLists;
// Loop through each Display List for parsing
foreach (DisplayListStruct ThisDL in CurrentDLists)
{
// Again, for temporary access
CurrentDL = ThisDL;
// Begin new OpenGL Display List
GL.NewList(ThisDL.GLID, ListMode.CompileAndExecute);
// Parse all commands of the Display List
ParseDL(CurrentDL);
// If the current Display List is supposed to be highlighted, parse its essential commands once more
if (CurrentDL.Highlight == true && ParseMode != 2)
{
ParseMode = 1;
ParseDL(CurrentDL);
ParseMode = 0;
}
// End the GL Display List
GL.EndList();
GL.Clear(ClearBufferMask.ColorBufferBit | ClearBufferMask.DepthBufferBit);
}
}
public static void ParseDL(DisplayListStruct ThisDL)
{
// See if we're told to parse everything, or just selectively
if (ParseMode > 0)
{
if (ParseMode == 1)
{
// Prepare highlight rendering
GL.Enable((EnableCap)All.FragmentProgram);
GL.Arb.BindProgram(AssemblyProgramTargetArb.FragmentProgram, FPHighlight);
GL.Enable(EnableCap.Blend);
GL.BlendFunc(BlendingFactorSrc.SrcAlpha, BlendingFactorDest.OneMinusSrcAlpha);
}
else if (ParseMode == 2)
{
GL.Disable(EnableCap.Texture2D);
GL.Color4(ThisDL.PickColor);
}
GL.Disable(EnableCap.AlphaTest);
GL.Disable(EnableCap.Lighting);
// Go through every command in the current DList
for (int i = 0; i < ThisDL.Commands.Count; i++)
{
// If it's either DL/EndDL, GeometryMode or otherwise geometry-related, execute it
if (ThisDL.Commands[i].ID == (byte)UcodeF3DEX2.VTX ||
ThisDL.Commands[i].ID == (byte)UcodeF3DEX2.TRI1 ||
ThisDL.Commands[i].ID == (byte)UcodeF3DEX2.TRI2 ||
ThisDL.Commands[i].ID == (byte)UcodeF3DEX2.DL ||
ThisDL.Commands[i].ID == (byte)UcodeF3DEX2.ENDDL ||
ThisDL.Commands[i].ID == (byte)UcodeF3DEX2.GEOMETRYMODE ||
ThisDL.Commands[i].ID == (byte)UcodeF3DEX2.MODIFYVTX ||
ThisDL.Commands[i].ID == (byte)UcodeF3DEX2.MTX ||
ThisDL.Commands[i].ID == (byte)UcodeF3DEX2.POPMTX)
{
UcodeCommands[ThisDL.Commands[i].ID](ThisDL.Commands[i].w0, ThisDL.Commands[i].w1);
}
}
// Reset some changed states
GL.Enable(EnableCap.Texture2D);
GL.Enable(EnableCap.Lighting);
GL.Enable(EnableCap.AlphaTest);
GL.Disable((EnableCap)All.FragmentProgram);
}
else
{
// Go through every command in the current DList
for (int i = 0; i < ThisDL.Commands.Count; i++)
{
if (i < ThisDL.Commands.Count - Macros.Max(a => a.Commands.Length))
{
foreach (MacroStruct ThisMacro in Macros)
{
// Get the next commands from the current position in the DList
byte[] NextCmds = new byte[ThisMacro.Commands.Length];
UInt32[] NextW0 = new UInt32[ThisMacro.Commands.Length + 1];
UInt32[] NextW1 = new UInt32[ThisMacro.Commands.Length + 1];
for (int j = 0; j <= ThisMacro.Commands.Length; j++)
{
if (j != ThisMacro.Commands.Length) NextCmds[j] = ThisDL.Commands[i + j].ID;
NextW0[j] = ThisDL.Commands[i + j].w0;
NextW1[j] = ThisDL.Commands[i + j].w1;
}
// Compare the bytes to the macro and execute it if we have a match
if (CompareBytes(NextCmds, ThisMacro.Commands))
{
IsMacro = true;
ThisMacro.Function(NextW0, NextW1);
i += ThisMacro.Commands.Length - 1;
break;
}
}
IsMacro = false;
}
// Execute the next command
UcodeCommands[ThisDL.Commands[i].ID](ThisDL.Commands[i].w0, ThisDL.Commands[i].w1);
}
}
return;
}
private static void Ucode_F3DEX2_BRANCH_Z(UInt32 w0, UInt32 w1)
{
if (GameHandler.IsAddressValid(NGraphics.RDPHalf1) == false) return;
uint Vtx = ShiftR(w0, 1, 11);
short ZVal = (short)w1;
if (CurrentVertices[Vtx].Position.Z < ZVal)
{
DisplayListStruct BranchDL = new DisplayListStruct();
BranchDL.Commands = new List<DLCommandStruct>();
ReadDLCommands(CurrentDL.InFileNumber, NGraphics.RDPHalf1, ref BranchDL);
ParseDL(BranchDL);
}
}
