/// <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()));
}
public string Code()
{
ASMCodeBuilder sb = new ASMCodeBuilder();
sb.AppendLabel(HDMA.INITLabel);
if (MainScreenDesignation != MainScreenWindowMaskDesignation || true)
{
sb.OpenNewBlock();
sb.AppendCode("LDA #$" + SumEnumFlag(MainScreenDesignation).ToASMString(), MainScreenDesignation.ToString() + " on main screen (TM)");
sb.AppendCode("STA $" + Registers.MainScreenDesignation.ToASMString());
sb.AppendCode("LDA #$" + SumEnumFlag(MainScreenWindowMaskDesignation).ToASMString(), MainScreenWindowMaskDesignation.ToString() + " on main screen should use windowing. (TMW)");
sb.AppendCode("STA $" + Registers.MainScreenWindow.ToASMString());
sb.CloseBlock();
}
/*else
* {
* sb.OpenNewBlock();
* sb.AppendCode("LDA #$" + SumEnumFlag(MainScreenDesignation).ToASMString(), MainScreenDesignation.ToString() + " on main screen (TM) and window (TMW)");
* sb.AppendCode("STA $" + RAM.MainScreenAndWindowDesignation[RAM.SA1].ToASMString(), "mirror of $212C and $212E");
* sb.CloseBlock();
* }*/
if (SubScreenDesignation != SubScreenWindowMaskDesignation || true)
{
sb.OpenNewBlock();
sb.AppendCode("LDA #$" + SumEnumFlag(SubScreenDesignation).ToASMString(), SubScreenDesignation.ToString() + " on sub screen (TS)");
sb.AppendCode("STA $" + Registers.SubScreenDesignation.ToASMString());
sb.AppendCode("LDA #$" + SumEnumFlag(SubScreenWindowMaskDesignation).ToASMString(), SubScreenWindowMaskDesignation.ToString() + " on sub screen should use windowing. (TSW)");
sb.AppendCode("STA $" + Registers.SubScreenWindow.ToASMString());
sb.CloseBlock();
}
/*else
* {
* sb.OpenNewBlock();
* sb.AppendCode("LDA #$" + SumEnumFlag(SubScreenDesignation).ToASMString(), SubScreenDesignation.ToString() + " on sub screen (TS) and window (TSW)");
* sb.AppendCode("STA $" + RAM.SubScreenAndWindowDesignation[RAM.SA1].ToASMString(), "mirror of $212D and $212F");
* sb.CloseBlock();
* }*/
sb.AppendCode("LDA #$" + SumEnumFlag(ColorMathDesignation).ToASMString(), ColorMathDesignation.ToString() + " for color math");
sb.AppendCode("STA $" + RAM.ColorMathSetting[RAM.SA1].ToASMString(), "mirror of $2131");
sb.CloseBlock();
if (!AddColor || ClipToBlack != 0 || PreventColorMath != 0)
{
sb.OpenNewBlock();
int CGWSEL = (((int)ClipToBlack) << 6) +
(((int)PreventColorMath) << 4) +
(AddColor ? 0 : 2);
sb.AppendCode("LDA #$" + CGWSEL.ToASMString(), "Clip to black: " + ClipToBlack + ", Prevent colot math: " + PreventColorMath);
sb.AppendCode("STA $" + RAM.ColorAdditionSelect[RAM.SA1].ToASMString(), "Add subscreen instead of fixed color: " + !AddColor);
sb.CloseBlock();
}
//mask logic
if (MaskLogicBgs != 0)
{
sb.OpenNewBlock();
sb.AppendCode("LDA #$" + MaskLogicBgs.ToString("X2"), "Mask logic for overlapping windowing on BGs");
sb.AppendCode("STA $" + Registers.WindowingLogicBgs.ToASMString());
sb.CloseBlock();
}
//mask logic
if (MaskLogicObjCol != 0)
{
sb.OpenNewBlock();
sb.AppendCode("LDA #$" + MaskLogicObjCol.ToString("X2"), "Mask logic for overlapping windowing on BGs");
sb.AppendCode("STA $" + Registers.WindowingLogicObjColor.ToASMString());
sb.CloseBlock();
}
int regW12SEL =
(Window1Inverted.HasFlag(WindowingLayers.BG1) ? 0x01 : 0x00) +
(Window1Enabled.HasFlag(WindowingLayers.BG1) ? 0x02 : 0x00) +
(Window2Inverted.HasFlag(WindowingLayers.BG1) ? 0x04 : 0x00) +
(Window2Enabled.HasFlag(WindowingLayers.BG1) ? 0x08 : 0x00) +
(Window1Inverted.HasFlag(WindowingLayers.BG2) ? 0x10 : 0x00) +
(Window1Enabled.HasFlag(WindowingLayers.BG2) ? 0x20 : 0x00) +
(Window2Inverted.HasFlag(WindowingLayers.BG2) ? 0x40 : 0x00) +
(Window2Enabled.HasFlag(WindowingLayers.BG2) ? 0x80 : 0x00);
int regW34SEL =
(Window1Inverted.HasFlag(WindowingLayers.BG3) ? 0x01 : 0x00) +
(Window1Enabled.HasFlag(WindowingLayers.BG3) ? 0x02 : 0x00) +
(Window2Inverted.HasFlag(WindowingLayers.BG3) ? 0x04 : 0x00) +
(Window2Enabled.HasFlag(WindowingLayers.BG3) ? 0x08 : 0x00) +
(Window1Inverted.HasFlag(WindowingLayers.BG4) ? 0x10 : 0x00) +
(Window1Enabled.HasFlag(WindowingLayers.BG4) ? 0x20 : 0x00) +
(Window2Inverted.HasFlag(WindowingLayers.BG4) ? 0x40 : 0x00) +
(Window2Enabled.HasFlag(WindowingLayers.BG4) ? 0x80 : 0x00);
int regWOBJSEL =
(Window1Inverted.HasFlag(WindowingLayers.OBJ) ? 0x01 : 0x00) +
(Window1Enabled.HasFlag(WindowingLayers.OBJ) ? 0x02 : 0x00) +
(Window2Inverted.HasFlag(WindowingLayers.OBJ) ? 0x04 : 0x00) +
(Window2Enabled.HasFlag(WindowingLayers.OBJ) ? 0x08 : 0x00) +
(Window1Inverted.HasFlag(WindowingLayers.Color) ? 0x10 : 0x00) +
(Window1Enabled.HasFlag(WindowingLayers.Color) ? 0x20 : 0x00) +
(Window2Inverted.HasFlag(WindowingLayers.Color) ? 0x40 : 0x00) +
(Window2Enabled.HasFlag(WindowingLayers.Color) ? 0x80 : 0x00);
sb.OpenNewBlock();
if (regW12SEL != 0)
{
sb.AppendCode("LDA #$" + regW12SEL.ToASMString(), "values for enabling/inverting BG1/BG2 on window 1/2");
sb.AppendCode("STA $" + RAM.WindowMaskSettingBG1BG2[RAM.SA1].ToASMString(), "mirror of $2123");
}
if (regW34SEL != 0)
{
if (regW34SEL != regW12SEL) //prevent LDA if A still has valid value from before
{
sb.AppendCode("LDA #$" + regW34SEL.ToASMString(), "values for enabling/inverting BG3/BG4 on window 1/2");
}
sb.AppendCode("STA $" + RAM.WindowMaskSettingBG3BG4[RAM.SA1].ToASMString(), "mirror of $2124");
}
if (regWOBJSEL != 0)
{
if (regWOBJSEL != regW34SEL) //prevent LDA if A still has valid value from before
{
sb.AppendCode("LDA #$" + regWOBJSEL.ToASMString(), "values for enabling/inverting OBJ/Color on window 1/2");
}
sb.AppendCode("STA $" + RAM.WindowMaskSettingOBJColor[RAM.SA1].ToASMString(), "mirror of $2125");
}
if (regW12SEL != 0 || regW34SEL != 0 || regWOBJSEL != 0)
{
sb.AppendComment("Window 1 enabled on " + Window1Enabled.ToString());
sb.AppendComment("Window 2 enabled on " + Window2Enabled.ToString());
sb.AppendComment("Window 1 inverted on " + Window1Inverted.ToString());
sb.AppendComment("Window 2 inverted on " + Window2Inverted.ToString());
}
sb.CloseBlock();
return(sb.ToString());
}