/// <summary>
/// Calculates the code for overlapping multiple brightness gradients.
/// <para>The final code will use the channel of the first BrightnessHDMA object passed.</para>
/// </summary>
/// <param name="hdma">An array of BrightnessHDMA object that will be overlapped for the final code.</param>
/// <returns>The final code.</returns>
public static string MultiCode(params BrightnessHDMA[] hdma)
{
if (hdma == null || hdma.Length == 0)
{
return(null);
}
int channel = hdma[0].Channel;
EffectClasses.HDMATable table = new HDMATable(".BrightTable");
using (Bitmap b = BitmapEffects.OverlapImages(hdma.Select(h => h.EffectImage).ToArray()))
{
byte scanlines = 1;
int now = 0;
int compare = 0x0F - (b.GetPixel(0, 0).A / 17);
for (int y = 1; y < b.Height; y++, scanlines++)
{
now = 0x0F - (b.GetPixel(0, y).A / 17);
if (compare != now || scanlines >= 0x80)
{
table.Add(new HDMATableEntry(TableValueType.db, scanlines, (byte)compare));
compare = now;
scanlines = 0;
}
}
if (table.TotalScanlines != Scanlines)
{
table.Add(new HDMATableEntry(TableValueType.db, scanlines, (byte)now));
}
table.Add(HDMATableEntry.End);
DMAMode mode = (table[0].Values.Length == 1 ? DMAMode.P : DMAMode.PP);
ASMCodeBuilder code = new ASMCodeBuilder();
int channelAdd = 16 * channel;
table.Name = ".BrightTable";
code.AppendLabel(INITLabel, "Code to be inserted INIT");
code.OpenNewBlock();
code.AppendCode("\tREP #$20", "16 bit mode");
code.AppendCode("\tLDA #$" + (((Registers.Brightness & 0xFF) << 8) + (int)mode).ToString("X4"));
code.AppendCode("\tSTA $" + (Registers.DMAMode + channelAdd).ToString("X4"));
code.AppendCode("\tLDA #" + table.Name, "load high and low byte of table address");
code.AppendCode("\tSTA $" + (Registers.DMALowByte + channelAdd).ToString("X4"));
code.AppendCode("\tSEP #$20", "back to 8 bit mode");
code.AppendCode("\tLDA.b #" + table.Name + ">>16", "load bank byte of table address");
code.AppendCode("\tSTA $" + (Registers.DMABankByte + channelAdd).ToString("X4"));
code.AppendCode("\tLDA #$" + (1 << channel).ToString("X2"));
code.AppendCode("\tTSB $" + RAM.HDMAEnable[RAM.SA1].ToString("X4"), "enable HDMA channel " + channel);
code.AppendCode("\tRTS");
code.CloseBlock();
code.AppendEmptyLine();
code.AppendTable(table);
return(code.ToString());
}
}
/// <summary>
/// Gets the screen as it would be displayed by the SNES.
/// </summary>
/// <returns></returns>
public Bitmap GetScreen()
{
if (BG1 == null || BG2 == null || BG3 == null || BG4 == null)
{
throw new ArgumentNullException("BGs need to be initialized");
}
if (FixedColor == null)
{
throw new ArgumentNullException("FixedColor need to be initialized");
}
if (Backdrop == null)
{
throw new ArgumentNullException("Backdrop need to be initialized");
}
Bitmap main, sub;
Bitmap statusBar = new Bitmap(LayerSizes.Width, LayerSizes.Height);
Bitmap bg3_remain = new Bitmap(LayerSizes.Width, LayerSizes.Height);
//cut layer 3 into status bar end rest.
using (Graphics g = Graphics.FromImage(statusBar))
g.DrawImageUnscaledAndClipped(BG3, new Rectangle(0, 0, statusBar.Width, StatusBarHeight));
using (Graphics g = Graphics.FromImage(bg3_remain))
{
Rectangle rec = new Rectangle(0, StatusBarHeight, bg3_remain.Width, bg3_remain.Height - StatusBarHeight);
g.DrawImageUnscaledAndClipped(BG3.Clone(rec, BG3.PixelFormat), rec);
}
Func <bool, bool, bool, bool, WindowMaskLogic, Bitmap, Bitmap> doWindowing = (enable1, enable2, invert1, invert2, logic, bg) =>
{
Bitmap mask1 = invert1 ? BitmapEffects.Invert(WindowingMask1) : WindowingMask1;
Bitmap mask2 = invert2 ? BitmapEffects.Invert(WindowingMask2) : WindowingMask2;
if (enable1 && enable2)
{
return(BitmapEffects.ApplyMask(bg, MergeMasks(mask1, mask2, logic), 0.5f));
}
else if (enable1)
{
return(BitmapEffects.ApplyMask(bg, mask1, 0.5f));
}
else if (enable2)
{
return(BitmapEffects.ApplyMask(bg, mask2, 0.5f));
}
else
{
return(bg);
}
};
Bitmap bg1Windowed = doWindowing(Window1Enabled.HasFlag(WindowingLayers.BG1), Window2Enabled.HasFlag(WindowingLayers.BG1),
Window1Inverted.HasFlag(WindowingLayers.BG1), Window2Inverted.HasFlag(WindowingLayers.BG1), Bg1MaskLogic, BG1);
Bitmap bg2Windowed = doWindowing(Window1Enabled.HasFlag(WindowingLayers.BG2), Window2Enabled.HasFlag(WindowingLayers.BG2),
Window1Inverted.HasFlag(WindowingLayers.BG2), Window2Inverted.HasFlag(WindowingLayers.BG2), Bg2MaskLogic, BG2);
Bitmap statusBarWindowed = doWindowing(Window1Enabled.HasFlag(WindowingLayers.BG3), Window2Enabled.HasFlag(WindowingLayers.BG3),
Window1Inverted.HasFlag(WindowingLayers.BG3), Window2Inverted.HasFlag(WindowingLayers.BG3), Bg3MaskLogic, statusBar);
Bitmap bg3RemainWindowed = doWindowing(Window1Enabled.HasFlag(WindowingLayers.BG3), Window2Enabled.HasFlag(WindowingLayers.BG3),
Window1Inverted.HasFlag(WindowingLayers.BG3), Window2Inverted.HasFlag(WindowingLayers.BG3), Bg3MaskLogic, bg3_remain);
Bitmap bg4Windowed = doWindowing(Window1Enabled.HasFlag(WindowingLayers.BG4), Window2Enabled.HasFlag(WindowingLayers.BG4),
Window1Inverted.HasFlag(WindowingLayers.BG4), Window2Inverted.HasFlag(WindowingLayers.BG4), Bg4MaskLogic, BG4);
Bitmap objWindowed = doWindowing(Window1Enabled.HasFlag(WindowingLayers.OBJ), Window2Enabled.HasFlag(WindowingLayers.OBJ),
Window1Inverted.HasFlag(WindowingLayers.OBJ), Window2Inverted.HasFlag(WindowingLayers.OBJ), ObjMaskLogic, OBJ);
Bitmap colorWindowed = BitmapEffects.FromColor(Color.Black, LayerSizes);
Bitmap colorWindowedHoles = doWindowing(Window1Enabled.HasFlag(WindowingLayers.Color), Window2Enabled.HasFlag(WindowingLayers.Color),
Window1Inverted.HasFlag(WindowingLayers.Color), Window2Inverted.HasFlag(WindowingLayers.Color), ColorMaskLogic,
BitmapEffects.FromColor(Color.White, LayerSizes));
//colorWindowsedHoles is white with holes where the black should be
using (Graphics g = Graphics.FromImage(colorWindowed))
g.DrawImage(colorWindowedHoles, 0, 0);
#region Sub Screen
List <Bitmap> BGs = new List <Bitmap>();
if (SubScreenDesignation.HasFlag(ScreenDesignation.OBJ) && !Hide.HasFlag(ScreenDesignation.OBJ))
{
BGs.Add(SubScreenWindowMaskDesignation.HasFlag(ScreenDesignation.OBJ) ? objWindowed : OBJ);
}
if (SubScreenDesignation.HasFlag(ScreenDesignation.BG1) && !Hide.HasFlag(ScreenDesignation.BG1))
{
BGs.Add(SubScreenWindowMaskDesignation.HasFlag(ScreenDesignation.BG1) ? bg1Windowed : BG1);
}
if (SubScreenDesignation.HasFlag(ScreenDesignation.BG2) && !Hide.HasFlag(ScreenDesignation.BG2))
{
BGs.Add(SubScreenWindowMaskDesignation.HasFlag(ScreenDesignation.BG2) ? bg2Windowed : BG2);
}
//layer 3 special (status bar split) onyl lower part
if (SubScreenDesignation.HasFlag(ScreenDesignation.BG3) && !Hide.HasFlag(ScreenDesignation.BG3))
{
BGs.Add(SubScreenWindowMaskDesignation.HasFlag(ScreenDesignation.BG3) ? bg3RemainWindowed : bg3_remain);
}
if (SubScreenDesignation.HasFlag(ScreenDesignation.BG4) && !Hide.HasFlag(ScreenDesignation.BG4))
{
BGs.Add(SubScreenWindowMaskDesignation.HasFlag(ScreenDesignation.BG4) ? bg4Windowed : BG4);
}
BGs.Add(FixedColor);
sub = BitmapEffects.OverlapImages(BGs.ToArray());
#endregion
#region Main Screen
BGs.Clear();
if (MainScreenDesignation.HasFlag(ScreenDesignation.OBJ) && !Hide.HasFlag(ScreenDesignation.OBJ))
{
Bitmap objUse = MainScreenWindowMaskDesignation.HasFlag(ScreenDesignation.OBJ) ? objWindowed : OBJ;
if (ColorMathDesignation.HasFlag(ColorMathMode.OBJ))
{
BGs.Add(ApplyColorMath(objUse, AddColor ? FixedColor : sub, ColorMathDesignation, colorWindowed, ClipToBlack, PreventColorMath));
}
else
{
BGs.Add(objUse);
}
}
if (MainScreenDesignation.HasFlag(ScreenDesignation.BG1) && !Hide.HasFlag(ScreenDesignation.BG1))
{
Bitmap bg1Use = MainScreenWindowMaskDesignation.HasFlag(ScreenDesignation.BG1) ? bg1Windowed : BG1;
if (ColorMathDesignation.HasFlag(ColorMathMode.BG1))
{
BGs.Add(ApplyColorMath(bg1Use, AddColor ? FixedColor : sub, ColorMathDesignation, colorWindowed, ClipToBlack, PreventColorMath));
}
else
{
BGs.Add(bg1Use);
}
}
if (MainScreenDesignation.HasFlag(ScreenDesignation.BG2) && !Hide.HasFlag(ScreenDesignation.BG2))
{
Bitmap bg2Use = MainScreenWindowMaskDesignation.HasFlag(ScreenDesignation.BG2) ? bg2Windowed : BG2;
if (ColorMathDesignation.HasFlag(ColorMathMode.BG2))
{
BGs.Add(ApplyColorMath(bg2Use, AddColor ? FixedColor : sub, ColorMathDesignation, colorWindowed, ClipToBlack, PreventColorMath));
}
else
{
BGs.Add(bg2Use);
}
}
if (MainScreenDesignation.HasFlag(ScreenDesignation.BG3) && !Hide.HasFlag(ScreenDesignation.BG3))
{
//layer 3 special (status bar split) onyl lower half
Bitmap bg3Use = MainScreenWindowMaskDesignation.HasFlag(ScreenDesignation.BG3) ? bg3RemainWindowed : bg3_remain;
if (ColorMathDesignation.HasFlag(ColorMathMode.BG3))
{
BGs.Add(ApplyColorMath(bg3Use, AddColor ? FixedColor : sub, ColorMathDesignation, colorWindowed, ClipToBlack, PreventColorMath));
}
else
{
BGs.Add(bg3Use);
}
}
if (MainScreenDesignation.HasFlag(ScreenDesignation.BG4) && !Hide.HasFlag(ScreenDesignation.BG4))
{
Bitmap bg4Use = MainScreenWindowMaskDesignation.HasFlag(ScreenDesignation.BG3) ? bg4Windowed : BG4;
if (ColorMathDesignation.HasFlag(ColorMathMode.BG4))
{
BGs.Add(ApplyColorMath(bg4Use, AddColor ? FixedColor : sub, ColorMathDesignation, colorWindowed, ClipToBlack, PreventColorMath));
}
else
{
BGs.Add(bg4Use);
}
}
//handle the backdrop too
if (ColorMathDesignation.HasFlag(ColorMathMode.Backdrop))
{
BGs.Add(ApplyColorMath(Backdrop, AddColor ? FixedColor : sub, ColorMathDesignation, colorWindowed, ClipToBlack, PreventColorMath));
}
else
{
BGs.Add(Backdrop);
}
main = BitmapEffects.OverlapImages(BGs.ToArray());
#endregion
BGs.Clear();
//check windowing for status bar
if (MainScreenDesignation.HasFlag(ScreenDesignation.BG3) && !Hide.HasFlag(ScreenDesignation.BG3))
{
BGs.Add(MainScreenWindowMaskDesignation.HasFlag(ScreenDesignation.BG3) ? statusBarWindowed : statusBar);
}
//if not main, check subscreen. (still put it before main for display purpose)
else if (SubScreenDesignation.HasFlag(ScreenDesignation.BG3) && !Hide.HasFlag(ScreenDesignation.BG3))
{
BGs.Add(SubScreenWindowMaskDesignation.HasFlag(ScreenDesignation.BG3) ? statusBarWindowed : statusBar);
}
BGs.Add(main);
BGs.Add(sub);
return(BitmapEffects.OverlapImages(BGs.ToArray()));
}