public static void PerformRegionParse(ROM rom, List <Region> regions, int offset)
{
rom.PushOffset(offset);
try
{
List <Region> displayListRegions = new List <Region>();
int cmd;
do
{
cmd = rom.Read8();
int cmdSize = cmdSizeTable[cmd];
if (cmdSize == 0)
{
throw new ArgumentException("Loop detected");
}
parser[cmd](rom, displayListRegions);
if (cmdSize != 0xFF)
{
rom.AddOffset(cmdSize);
}
} while (cmd != 0x01);
// !!! : Group together all display list information in geolayout
MergedRegionList compoundGraphicsData = new MergedRegionList();
List <Region> otherRegions = new List <Region>();
int count = 0;
// Merge together vertex, texture, light descriptions
// Enumerate display lists
foreach (Region reg in displayListRegions)
{
switch (reg.state)
{
case RegionState.GraphicsData:
compoundGraphicsData.AddRegion(reg.romStart, reg.length);
break;
case RegionState.DisplayList:
reg.number = count++;
otherRegions.Add(reg);
break;
default:
// Passthrough region that we do not need to compound
otherRegions.Add(reg);
break;
}
}
Region graphicsRegion = new DynamicRegion(compoundGraphicsData.start, compoundGraphicsData.length, RegionState.GraphicsData);
regions.Add(graphicsRegion);
regions.AddRange(otherRegions);
Region region = new GeoLayoutRegion(offset, rom.offset - offset);
regions.Add(region);
}
finally
{
rom.PopOffset();
}
}
private void ParseGraphics(string dirname, DataBuilder segment0E, DataBuilder segmentGeoLayouts, ROM rom, out RelocationUnit unit, out RelocationUnit graphicsDataUnit, int area = -1, int model = -1)
{
RelocationUnit retValue = null;
RelocationUnit graphicsUnit = null;
segmentGeoLayouts.Backup();
segment0E.Backup();
try
{
DynamicRegion graphicsDataRegion = new DynamicRegion(dirname, RegionState.GraphicsData, area, model);
// no relocation needed for dynamic region
segment0E.AddRegion(graphicsDataRegion);
segment0E.RoundOffset();
// Display lists needs to be relocated with static graphics relocation table
StaticRelocationTable graphicsRelocationTable = new StaticRelocationTable();
graphicsUnit = new RelocationUnit(graphicsDataRegion, rom, isFromStatic: true);
graphicsRelocationTable.AddUnit(graphicsUnit);
// Geolayouts needs to be relocated with queued display lists, will be filled during relocation with graphicsRelocationTable
QueueRelocationTable dispRelocationTable = new QueueRelocationTable();
RelocationUnit dispRelocationUnit = null;
for (int dispNumber = 0; dispNumber < 0xFF; dispNumber++)
{
if (!PathComposer.IsRegionFileExists(dirname, RegionState.DisplayList, area, model, dispNumber))
{
break;
}
DisplayListRegion dispRegion = new DisplayListRegion(dirname, area, model, dispNumber);
DisplayList.PerformRegionRelocation(dispRegion, graphicsRelocationTable);
segment0E.AddRegion(dispRegion);
segment0E.RoundOffset();
dispRelocationUnit = new RelocationUnit(dispRegion, rom, isFromStatic: true);
dispRelocationTable.AddUnit(dispRelocationUnit);
}
// Not even one disp relocation unit, sounds like a bug
if (dispRelocationUnit == null)
{
throw new IOException("No display lists found!");
}
// Geolayout might or might not exist for model, check if it exists and if needed, relocate it
if (PathComposer.IsRegionFileExists(dirname, RegionState.GeoLayout, area, model))
{
// Load geolayout and relocate it with display lists
GeoLayoutRegion modelGeoLayoutRegion = new GeoLayoutRegion(dirname, area, model);
GeoLayout.PerformRegionRelocation(modelGeoLayoutRegion, dispRelocationTable);
segmentGeoLayouts.AddRegion(modelGeoLayoutRegion);
segmentGeoLayouts.RoundOffset();
// Finalize with returning geolayout for model
retValue = new RelocationUnit(modelGeoLayoutRegion, rom, isFromStatic: true);
}
else
{
// Return display list only, there should be only one, if more, it is undefinied behaviour :3
retValue = dispRelocationUnit;
}
}
catch (Exception ex)
{
MessageBox.Show(String.Format("Failed to load model {0}, reason : '{1}'", model, ex.Message), "Level Combiner", MessageBoxButtons.OK, MessageBoxIcon.Error);
segment0E.Restore();
segmentGeoLayouts.Restore();
}
unit = retValue;
graphicsDataUnit = graphicsUnit;
}
