public unsafe void SetTile(int xx, int yy, byte layer)
{
if (xx + (yy * 64) < 4096)
{
ushort t = GFX.getshortilesinfo(GetTileInfo());
if (layer == 0)
{
GFX.tilesBg1Buffer[xx + (yy * 64)] = t;
}
else
{
GFX.tilesBg2Buffer[xx + (yy * 64)] = t;
}
}
}
public unsafe void draw_tile(Tile t, int xx, int yy, ushort tileUnder = 0xFFFF)
{
if (width < xx + 8)
{
width = xx + 8;
}
if (height < yy + 8)
{
height = yy + 8;
}
if (preview)
{
if (xx < 57 && yy < 57 && xx >= 0 && yy >= 0)
{
var alltilesData = (byte *)GFX.currentgfx16Ptr.ToPointer();
byte * ptr = (byte *)GFX.previewObjectsPtr[previewId].ToPointer();
TileInfo ti = t.GetTileInfo();
for (var yl = 0; yl < 8; yl++)
{
for (var xl = 0; xl < 4; xl++)
{
int mx = xl;
int my = yl;
byte r = 0;
if (ti.h != 0)
{
mx = 3 - xl;
r = 1;
}
if (ti.v != 0)
{
my = 7 - yl;
}
//Formula information to get tile index position in the array
//((ID / nbrofXtiles) * (imgwidth/2) + (ID - ((ID/16)*16) ))
int tx = ((ti.id / 16) * 512) + ((ti.id - ((ti.id / 16) * 16)) * 4);
var pixel = alltilesData[tx + (yl * 64) + xl];
//nx,ny = object position, xx,yy = tile position, xl,yl = pixel position
int index = ((xx / 8) * 8) + ((yy / 8) * 512) + ((mx * 2) + (my * 64));
ptr[index + r ^ 1] = (byte)((pixel & 0x0F) + ti.palette * 16);
ptr[index + r] = (byte)(((pixel >> 4) & 0x0F) + ti.palette * 16);
}
}
}
}
else
{
if (((xx / 8) + nx + offsetX) + ((ny + offsetY + (yy / 8)) * 64) < 4096 && ((xx / 8) + nx + offsetX) + ((ny + offsetY + (yy / 8)) * 64) >= 0)
{
ushort td = GFX.getshortilesinfo(t.GetTileInfo());
collisionPoint.Add(new Point(xx + ((nx + offsetX) * 8), yy + ((ny + +offsetY) * 8)));
if (layer == 0 || layer == 2 || allBgs)
{
if (tileUnder == GFX.tilesBg1Buffer[((xx / 8) + offsetX + nx) + ((ny + offsetY + (yy / 8)) * 64)])
{
return;
}
GFX.tilesBg1Buffer[((xx / 8) + offsetX + nx) + ((ny + offsetY + (yy / 8)) * 64)] = td;
}
if (layer == 1 || allBgs)
{
if (tileUnder == GFX.tilesBg2Buffer[((xx / 8) + nx + offsetX) + ((ny + offsetY + (yy / 8)) * 64)])
{
return;
}
GFX.tilesBg2Buffer[((xx / 8) + nx) + offsetX + ((ny + offsetY + (yy / 8)) * 64)] = td;
}
}
}
}