private void DrawLevelPatterns(LevelIndex level)
{
spritePatterns.Clear();
bgPatterns.Clear();
PatternGroupIndexTable groups = GetLevelPatterns(level);
spritePatterns.BeginWrite();
bgPatterns.BeginWrite();
for (int i = 0; i < groups.Count; i++)
{
PatternGroupOffsets offsets = rom.PatternGroupOffsets[groups[i]];
if (offsets.IsPage0)
{
spritePatterns.LoadTiles(offsets);
}
else
{
bgPatterns.LoadTiles(offsets);
}
}
spritePatterns.EndWrite();
bgPatterns.EndWrite();
ApplyPalette(level);
SpritePatternBox.Image = spritePatterns.PatternImage;
BackgroundPatternBox.Image = bgPatterns.PatternImage;
}
private void CopyPatternGroup(PatternGroupOffsets groupData, int dest)
{
// Calculate location (source & dest) of data and size
int sourceOffset = groupData.SourceRomOffset;
int dataSize = groupData.ByteCount;
Array.Copy(rom.data, sourceOffset, newRomData, dest, dataSize);
}
/// <summary>Loads a referenced CHR group into the CHR data buffer</summary>
private void LoadChrGroup(PatternGroupOffsets group)
{
int start = group.DestPpuOffset;
int length = group.TileCount * 0x10;
var clipped = CopyChr(group.SourceRomOffset, start, length);
//Array.Copy(rom.data, group.SourceRomOffset, rawChrBuffer, start, length);
System.Diagnostics.Debug.Print("Clipping occurred.");
}
public void LoadPatternGroups(PatternGroupIndexTable table)
{
foreach (byte groupIndex in table)
{
PatternGroupOffsets offsets = rom.PatternGroupOffsets[groupIndex];
// Page 0 = sprite pattern mem, 1 = bg.
if (
(offsets.IsPage0 && type == PatternTableType.sprite) ||
(offsets.IsPage1 && type == PatternTableType.background))
{
LoadTiles(rom.data, offsets.SourceRomOffset, offsets.DestTileIndex, offsets.TileCount);
}
}
}
/// <summary>
/// Copies pattern groups for pseudo-ppu-dumps (used to generate a compiled set of bg patterns for each level)
/// </summary>
/// <param name="groupData">Information about the pattern group</param>
/// <param name="baseOffset">The base offset of the 1 kb block of pattern data.</param>
private void CopyBgPatternGroup(PatternGroupOffsets groupData, int baseOffset)
{
if (!groupData.IsBackground)
{
throw new ArgumentException("Attempted to use sprite patterns to create a compiled bg pattern set.", "groupData");
}
// Calculate location (source & dest) of data and size
int sourceOffset = groupData.SourceRomOffset;
int ppuDest = groupData.DestPpuOffset;
int relativeOffset = ppuDest - 0x1000; // Bg patterns start at 0x1000 in PPU mem
int offset = baseOffset + relativeOffset;
int dataSize = groupData.ByteCount;
Array.Copy(rom.data, sourceOffset, newRomData, offset, dataSize);
}
IList <LineDisplayItem> IRomDataParentObject.GetListItems()
{
LineDisplayItem[] items = new LineDisplayItem[groups.Count];
for (int i = 0; i < groups.Count; i++)
{
PatternGroupOffsets offsets = rom.PatternGroupOffsets[groups[i]];
items[i] = new LineDisplayItem(
"Pattern Group " + i.ToString("X"),
offsets.SourceRomOffset,
offsets.TileCount * 16,
rom.data);
}
return(items);
}
/// <summary>Loads pattern groups from the rom.</summary>
private void LoadPatternGroups()
{
PatternGroupsList.Items.Clear();
PatternGroupsList.BeginUpdate();
for (int i = 0; i < rom.PatternGroupOffsets.Count; i++)
{
PatternGroupOffsets o = rom.PatternGroupOffsets[i];
ListViewItem item = new ListViewItem(new string[] {
i.ToString("X"),
o.SourceRomOffset.ToString("X"),
o.DestTileIndex.ToString("X"),
o.TileCount.ToString("X"),
o.IsPage0 ? SpriteString : BgString
});
PatternGroupsList.Items.Add(item);
}
PatternGroupsList.EndUpdate();
}
public void LoadTiles(PatternGroupOffsets tiles)
{
LoadTiles(tiles.Rom.data, tiles.SourceRomOffset, tiles.DestTileIndex, tiles.TileCount);
}