private byte NextByte()
{
if (currentPoint.EOD)
{
return(0xFF);
}
int data = _levelDataAccessor.GetData(currentPoint.XPointer, currentPoint.YPointer);
currentPoint.XPointer++;
if (currentPoint.XPointer >= 0x10 * _level.ScreenLength)
{
currentPoint.XPointer = 0;
currentPoint.YPointer++;
if (currentPoint.YPointer >= 27)
{
currentPoint.EOD = true;
}
}
return((byte)data);
}
public void RenderTiles(int blockX = 0, int blockY = 0, int blockWidth = Level.BLOCK_WIDTH, int blockHeight = Level.BLOCK_HEIGHT)
{
int maxRow = blockY + blockHeight;
int maxCol = blockX + blockWidth;
if (maxRow > Level.BLOCK_HEIGHT)
{
maxRow = Level.BLOCK_HEIGHT;
}
if (maxCol > Level.BLOCK_WIDTH)
{
maxCol = Level.BLOCK_WIDTH;
}
for (int row = blockY; row < maxRow; row++)
{
for (int col = blockX; col < maxCol; col++)
{
int tileValue = _levelDataAccessor.GetData(col, row);
if (tileValue < 0)
{
continue;
}
int paletteIndex = (tileValue & 0XC0) >> 6;
TileBlock tile = _tileSet.TileBlocks[tileValue];
int x = col * 16, y = row * 16;
RenderTile(x, y, _graphicsAccessor.GetRelativeTile(tile.UpperLeft), _buffer, _palette.RgbColors[paletteIndex]);
RenderTile(x + 8, y, _graphicsAccessor.GetRelativeTile(tile.UpperRight), _buffer, _palette.RgbColors[paletteIndex]);
RenderTile(x, y + 8, _graphicsAccessor.GetRelativeTile(tile.LowerLeft), _buffer, _palette.RgbColors[paletteIndex]);
RenderTile(x + 8, y + 8, _graphicsAccessor.GetRelativeTile(tile.LowerRight), _buffer, _palette.RgbColors[paletteIndex]);
if (_withTerrainOverlay)
{
TileTerrain terrain = _terrain.Where(t => t.HasTerrain(tile.Property)).FirstOrDefault();
if (terrain != null)
{
TileBlockOverlay overlay = terrain.Overlay;
if (overlay != null)
{
RenderTile(x, y, _graphicsAccessor.GetOverlayTile(0, overlay.UpperLeft), _buffer, _palette.RgbColors[overlay.PaletteIndex], useTransparency: true, opacity: .75);
RenderTile(x + 8, y, _graphicsAccessor.GetOverlayTile(0, overlay.UpperRight), _buffer, _palette.RgbColors[overlay.PaletteIndex], useTransparency: true, opacity: .75);
RenderTile(x, y + 8, _graphicsAccessor.GetOverlayTile(0, overlay.LowerLeft), _buffer, _palette.RgbColors[overlay.PaletteIndex], useTransparency: true, opacity: .75);
RenderTile(x + 8, y + 8, _graphicsAccessor.GetOverlayTile(0, overlay.LowerRight), _buffer, _palette.RgbColors[overlay.PaletteIndex], useTransparency: true, opacity: .75);
}
}
}
if (_withInteractionOverlay)
{
TileInteraction interaction = _terrain.Where(t => t.HasTerrain(tile.Property)).FirstOrDefault()?.Interactions.Where(i => i.HasInteraction(tile.Property)).FirstOrDefault();
if (interaction != null)
{
TileBlockOverlay overlay = interaction.Overlay;
if (overlay != null)
{
RenderTile(x, y, _graphicsAccessor.GetOverlayTile(0, overlay.UpperLeft), _buffer, _palette.RgbColors[overlay.PaletteIndex], useTransparency: true, opacity: .85);
RenderTile(x + 8, y, _graphicsAccessor.GetOverlayTile(0, overlay.UpperRight), _buffer, _palette.RgbColors[overlay.PaletteIndex], useTransparency: true, opacity: .85);
RenderTile(x, y + 8, _graphicsAccessor.GetOverlayTile(0, overlay.LowerLeft), _buffer, _palette.RgbColors[overlay.PaletteIndex], useTransparency: true, opacity: .85);
RenderTile(x + 8, y + 8, _graphicsAccessor.GetOverlayTile(0, overlay.LowerRight), _buffer, _palette.RgbColors[overlay.PaletteIndex], useTransparency: true, opacity: .85);
}
}
}
}
}
}