bool MASK_AT(int xoff, PixelNavigator mask, int destX)
{
mask.OffsetX((destX + xoff) / 8);
return((mask.Read() & ScummHelper.RevBitMask((destX + xoff) & 7)) != 0);
}
protected virtual void DrawBits1(Surface surface, int x, int y, BinaryReader src, int drawTop, int width, int height)
{
var dst = new PixelNavigator(surface);
dst.GoTo(x, y);
byte bits = 0;
byte col = Color;
//int pitch = surface.Pitch - width * surface.BytesPerPixel;
var dst2 = new PixelNavigator(dst);
dst2.OffsetY(1);
for (y = 0; y < height && y + drawTop < surface.Height; y++)
{
for (x = 0; x < width; x++)
{
if ((x % 8) == 0)
bits = src.ReadByte();
if ((bits & ScummHelper.RevBitMask(x % 8)) != 0 && y + drawTop >= 0)
{
if (_shadowMode)
{
dst.OffsetX(1);
dst.Write(_shadowColor);
dst2.Write(_shadowColor);
dst2.OffsetX(1);
dst2.Write(_shadowColor);
}
dst.Write(col);
}
dst.OffsetX(1);
dst2.OffsetX(1);
}
dst.OffsetX(surface.Width - width);
dst2.OffsetX(surface.Width - width);
}
}
protected virtual void DrawBitsN(Surface s, PixelNavigator dst, System.Collections.Generic.IList<byte> src, int srcPos, byte bpp, int drawTop, int width, int height)
{
if (bpp != 1 && bpp != 2 && bpp != 4 && bpp != 8)
throw new ArgumentException("Invalid bpp", "bpp");
byte bits = src[srcPos++];
byte numbits = 8;
var cmap = Vm.CharsetColorMap;
for (int y = 0; y < height && y + drawTop < s.Height; y++)
{
for (int x = 0; x < width; x++)
{
int color = (bits >> (8 - bpp)) & 0xFF;
if (color != 0 && (y + drawTop >= 0))
{
dst.Write(cmap[color]);
}
dst.OffsetX(1);
bits <<= bpp;
numbits -= bpp;
if (numbits == 0)
{
bits = src[srcPos++];
numbits = 8;
}
}
dst.Offset(-width, 1);
}
}
static byte[] Capture(VirtScreen screen, int x, int y, int w, int h)
{
var pixels = new byte[w * h];
var nav = new PixelNavigator(screen.Surfaces[0]);
nav.GoTo(x, y);
for (int height = 0; height < h; height++)
{
for (int width = 0; width < w; width++)
{
pixels[height * w + width] = nav.Read();
nav.OffsetX(1);
}
nav.Offset(-w, 1);
}
return pixels;
}
void Proc3Amiga(Codec1 v1)
{
byte len;
int color;
bool masked;
var mask = new PixelNavigator(v1.MaskPtr);
mask.OffsetX(v1.X / 8);
var dst = new PixelNavigator(v1.DestPtr);
byte height = (byte)_height;
byte width = (byte)_width;
_loaded.CostumeReader.BaseStream.Seek(_srcptr, System.IO.SeekOrigin.Begin);
var maskbit = (byte)ScummHelper.RevBitMask(v1.X & 7);
var y = v1.Y;
var oldXpos = v1.X;
var oldScaleIndexX = _scaleIndexX;
// Indy4 Amiga always uses the room map to match colors to the currently
// setup palette in the actor code in the original, thus we need to do this
// mapping over here too.
var amigaMap =
(_vm.Game.Platform == Platform.Amiga && _vm.Game.GameId == GameId.Indy4) ? _vm.Gdi.RoomPalette : null;
do
{
len = _loaded.CostumeReader.ReadByte();
color = len >> v1.Shr;
len &= v1.Mask;
if (len == 0)
len = _loaded.CostumeReader.ReadByte();
do
{
if (ScaleY == 255 || v1.Scaletable[_scaleIndexY] < ScaleY)
{
masked = (y < 0 || y >= _h) || (v1.X < 0 || v1.X >= _w) || ((mask.Read() & maskbit) != 0);
if (color != 0 && !masked)
{
byte pcolor;
if (amigaMap != null)
pcolor = amigaMap[_palette[color]];
else
pcolor = (byte)_palette[color];
dst.Write(pcolor);
}
if (ScaleX == 255 || v1.Scaletable[_scaleIndexX] < ScaleX)
{
v1.X += v1.ScaleXStep;
dst.OffsetX(v1.ScaleXStep);
maskbit = (byte)ScummHelper.RevBitMask(v1.X & 7);
}
_scaleIndexX += (byte)v1.ScaleXStep;
mask = new PixelNavigator(v1.MaskPtr);
mask.OffsetX(v1.X / 8);
}
if (--width == 0)
{
if (--height == 0)
return;
if (y >= _h)
return;
if (v1.X != oldXpos)
{
dst.Offset(-(v1.X - oldXpos), 1);
mask = new PixelNavigator(v1.MaskPtr);
mask.OffsetY(1);
v1.MaskPtr = mask;
mask.OffsetX(oldXpos / 8);
maskbit = (byte)ScummHelper.RevBitMask(oldXpos & 7);
y++;
}
width = (byte)_width;
v1.X = oldXpos;
_scaleIndexX = oldScaleIndexX;
_scaleIndexY++;
}
} while (--len != 0);
} while (true);
}
public static void BompApplyShadow0(byte[] lineBuffer, int linePos, PixelNavigator dst, int size)
{
while (size-- > 0)
{
byte tmp = lineBuffer[linePos++];
if (tmp != 255)
{
dst.Write(tmp);
}
dst.OffsetX(1);
}
}
public static void Blit(PixelNavigator dst, PixelNavigator src, int width, int height)
{
for (var h = 0; h < height; h++)
{
for (int w = 0; w < width; w++)
{
dst.Write(src.Read());
src.OffsetX(1);
dst.OffsetX(1);
}
src.Offset(-width, 1);
dst.Offset(-width, 1);
}
}
public int DrawCostume(VirtScreen vs, int numStrips, Actor actor, bool drawToBackBuf)
{
var pixelsNavigator = new PixelNavigator(vs.Surfaces[drawToBackBuf ? 1 : 0]);
pixelsNavigator.OffsetX(vs.XStart);
ActorX += (vs.XStart & 7);
_w = vs.Width;
_h = vs.Height;
pixelsNavigator.OffsetX(-(vs.XStart & 7));
startNav = new PixelNavigator(pixelsNavigator);
if (_vm.Game.Version <= 1)
{
_xmove = 0;
_ymove = 0;
}
else if (_vm.Game.IsOldBundle)
{
_xmove = -72;
_ymove = -100;
}
else
{
_xmove = _ymove = 0;
}
int result = 0;
for (int i = 0; i < 16; i++)
result |= DrawLimb(actor, i);
return result;
}
public static void Fill(Surface surface, Rect r, int color)
{
r = new Rect(r.Left, r.Top, r.Right, r.Bottom);
r.Clip(surface.Width, surface.Height);
if (!r.IsValid)
return;
int width = r.Width;
int lineLen = width;
int height = r.Height;
bool useMemset = true;
var bpp = Surface.GetBytesPerPixel(surface.PixelFormat);
if (bpp == 2)
{
lineLen *= 2;
if ((ushort)color != ((color & 0xff) | (color & 0xff) << 8))
useMemset = false;
}
else if (bpp == 4)
{
useMemset = false;
}
else if (bpp != 1)
{
throw new InvalidOperationException("Surface::fillRect: bytesPerPixel must be 1, 2, or 4");
}
if (useMemset)
{
var pn = new PixelNavigator(surface);
pn.GoTo(r.Left, r.Top);
for (int i = 0; i < height; i++)
{
pn.Set((byte)color, lineLen);
pn.OffsetY(1);
}
}
else
{
if (bpp == 2)
{
var pn = new PixelNavigator(surface);
pn.GoTo(r.Left, r.Top);
for (int i = 0; i < height; i++)
{
pn.Set((ushort)color, lineLen);
pn.OffsetX(surface.Width);
}
}
else
{
var pn = new PixelNavigator(surface);
pn.GoTo(r.Left, r.Top);
for (int i = 0; i < height; i++)
{
pn.Set((uint)color, lineLen);
pn.OffsetX(surface.Width / 2);
}
}
}
}
public static void Fill(PixelNavigator dst, ushort color, int width, int height)
{
for (int h = 0; h < height; h++)
{
for (int w = 0; w < width; w++)
{
dst.WriteUInt16(color);
dst.OffsetX(1);
}
dst.Offset(-width, 1);
}
}
void DrawStripBasicH(PixelNavigator navDst, BinaryReader src, int height, bool transpCheck)
{
byte color = src.ReadByte();
uint bits = src.ReadByte();
byte cl = 8;
int inc = -1;
do
{
int x = 8;
do
{
FillBits(ref cl, ref bits, src);
if (!transpCheck || color != transparentColor)
WriteRoomColor(navDst, color);
navDst.OffsetX(1);
if (!ReadBit(ref cl, ref bits))
{
}
else if (!ReadBit(ref cl, ref bits))
{
FillBits(ref cl, ref bits, src);
color = (byte)(bits & decompMask);
bits >>= decompShr;
cl -= decompShr;
inc = -1;
}
else if (!ReadBit(ref cl, ref bits))
{
color = (byte)(color + inc);
}
else
{
inc = -inc;
color = (byte)(color + inc);
}
} while (--x != 0);
navDst.Offset(-8, 1);
} while (--height != 0);
}
void RestoreCharsetBg()
{
_nextLeft = _string[0].Position.X;
_nextTop = _string[0].Position.Y + ScreenTop;
if (_charset.HasMask)
{
_charset.HasMask = false;
_charset.Str.Left = -1;
_charset.Left = -1;
// Restore background on the whole text area. This code is based on
// restoreBackground(), but was changed to only restore those parts which are
// currently covered by the charset mask.
var vs = _charset.TextScreen;
if (vs.Height == 0)
return;
MarkRectAsDirty(vs, 0, vs.Width, 0, vs.Height, Gdi.UsageBitRestored);
if (vs.HasTwoBuffers && _currentRoom != 0 && IsLightOn())
{
if (vs != MainVirtScreen)
{
// Restore from back buffer
var screenBufNav = new PixelNavigator(vs.Surfaces[0]);
screenBufNav.OffsetX(vs.XStart);
var backNav = new PixelNavigator(vs.Surfaces[1]);
backNav.OffsetX(vs.XStart);
Gdi.Blit(screenBufNav, backNav, vs.Width, vs.Height);
}
}
else
{
// Clear area
var screenBuf = vs.Surfaces[0].Pixels;
Array.Clear(screenBuf, 0, screenBuf.Length);
}
if (vs.HasTwoBuffers)
{
// Clean out the charset mask
ClearTextSurface();
}
}
}
protected void FadeOut(int effect)
{
_mainVirtScreen.SetDirtyRange(0, 0);
if (Game.Version < 7)
Camera.LastPosition.X = Camera.CurrentPosition.X;
if (Game.Version == 3 && _game.Platform == Platform.FMTowns)
Gdi.Fill(TextSurface,
new Rect(0, MainVirtScreen.TopLine * _textSurfaceMultiplier,
_textSurface.Pitch, (MainVirtScreen.TopLine + MainVirtScreen.Height) * _textSurfaceMultiplier), 0);
if ((Game.Version == 7 || _screenEffectFlag) && effect != 0)
{
// Fill screen 0 with black
var pixNav = new PixelNavigator(_mainVirtScreen.Surfaces[0]);
pixNav.OffsetX(_mainVirtScreen.XStart);
Gdi.Fill(pixNav, 0, _mainVirtScreen.Width, _mainVirtScreen.Height);
// Fade to black with the specified effect, if any.
switch (effect)
{
case 1:
case 2:
case 3:
case 4:
case 5:
case 6:
DoTransitionEffect(effect - 1);
break;
case 128:
UnkScreenEffect6();
break;
case 129:
// Just blit screen 0 to the display (i.e. display will be black)
_mainVirtScreen.SetDirtyRange(0, _mainVirtScreen.Height);
UpdateDirtyScreen(_mainVirtScreen);
if (_townsScreen != null)
_townsScreen.Update();
break;
default:
throw new NotImplementedException(string.Format("fadeOut: case {0}", effect));
}
}
// Update the palette at the end (once we faded to black) to avoid
// some nasty effects when the palette is changed
UpdatePalette();
_screenEffectFlag = false;
}
/// <summary>
/// Blit the specified rectangle from the given virtual screen to the display.
/// Note: t and b are in *virtual screen* coordinates, while x is relative to
/// the *real screen*. This is due to the way tdirty/vdirty work: they are
/// arrays which map 'strips' (sections of the real screen) to dirty areas as
/// specified by top/bottom coordinate in the virtual screen.
/// </summary>
/// <param name="vs"></param>
/// <param name="x"></param>
/// <param name="width"></param>
/// <param name="top"></param>
/// <param name="bottom"></param>
void DrawStripToScreen(VirtScreen vs, int x, int width, int top, int bottom)
{
// Short-circuit if nothing has to be drawn
if (bottom <= top || top >= vs.Height)
return;
// Perform some clipping
if (width > vs.Width - x)
width = vs.Width - x;
if (top < ScreenTop)
top = ScreenTop;
if (bottom > ScreenTop + ScreenHeight)
bottom = ScreenTop + ScreenHeight;
// Convert the vertical coordinates to real screen coords
int y = vs.TopLine + top - ScreenTop;
int height = bottom - top;
if (width <= 0 || height <= 0)
return;
byte[] src;
if (Game.Version < 7)
{
if (Game.Platform == Platform.FMTowns)
{
TownsDrawStripToScreen(vs, x, y, x, top, width, height);
return;
}
var srcNav = new PixelNavigator(vs.Surfaces[0]);
srcNav.GoTo(vs.XStart + x, top);
var compNav = new PixelNavigator(_composite);
var txtNav = new PixelNavigator(_textSurface);
int m = _textSurfaceMultiplier;
txtNav.GoTo(x * m, y * m);
var vsPitch = vs.Pitch - width * vs.BytesPerPixel;
var textPitch = _textSurface.Pitch - width * m;
for (int h = height * m; h > 0; --h)
{
for (int w = width * m; w > 0; w--)
{
var temp = txtNav.Read();
int mask = temp ^ CharsetMaskTransparency;
mask = (((mask & 0x7f) + 0x7f) | mask) & 0x80;
mask = ((mask >> 7) + 0x7f) ^ 0x80;
var dst = ((temp ^ srcNav.Read()) & mask) ^ temp;
compNav.Write((byte)dst);
srcNav.OffsetX(1);
txtNav.OffsetX(1);
compNav.OffsetX(1);
}
srcNav.OffsetX(vsPitch);
txtNav.OffsetX(textPitch);
}
src = _composite.Pixels;
}
else
{
src = new byte[width * height * vs.BytesPerPixel];
var srcNav = new PixelNavigator(vs.Surfaces[0]);
srcNav.GoTo(vs.XStart + x, top);
for (int h = 0; h < height; h++)
{
for (int w = 0; w < width; w++)
{
src[h * width + w] = srcNav.Read();
srcNav.OffsetX(1);
}
srcNav.Offset(-width, 1);
}
}
// Finally blit the whole thing to the screen
_gfxManager.CopyRectToScreen(src, width * vs.BytesPerPixel, x, y, width, height);
}
static void Clear8Col(PixelNavigator nav, int height)
{
do
{
for (int i = 0; i < 8; i++)
{
nav.Write(0);
nav.OffsetX(1);
}
nav.Offset(-8, 1);
} while ((--height) != 0);
}
protected void TownsDrawStripToScreen(VirtScreen vs, int dstX, int dstY, int srcX, int srcY, int width, int height)
{
if (width <= 0 || height <= 0)
return;
int m = _textSurfaceMultiplier;
var src1 = new PixelNavigator(vs.Surfaces[0]);
src1.GoTo(vs.XStart + srcX, srcY);
var src2 = new PixelNavigator(_textSurface);
src2.GoTo(srcX * m, (srcY + vs.TopLine - ScreenTop) * m);
var dst1 = new PixelNavigator(_townsScreen.GetLayerPixels(0, dstX, dstY).Value);
var dst2 = new PixelNavigator(_townsScreen.GetLayerPixels(1, dstX * m, dstY * m).Value);
int dp1 = _townsScreen.GetLayerPitch(0) - width * _townsScreen.GetLayerBpp(0);
int dp2 = _townsScreen.GetLayerPitch(1) - width * m * _townsScreen.GetLayerBpp(1);
int sp1 = vs.Pitch - (width * Surface.GetBytesPerPixel(vs.PixelFormat));
int sp2 = _textSurface.Pitch - width * m;
if (vs == MainVirtScreen || Game.GameId == GameId.Indy3 || Game.GameId == GameId.Zak)
{
for (int h = 0; h < height; ++h)
{
if (Surface.GetBytesPerPixel(_gfxManager.PixelFormat) == 2)
{
for (int w = 0; w < width; ++w)
{
dst1.WriteUInt16(_16BitPalette[src1.Read()]);
src1.OffsetX(1);
dst1.OffsetX(1);
}
src1.OffsetX(sp1 / src1.BytesByPixel);
dst1.OffsetX(dp1 / dst1.BytesByPixel);
}
else
{
for (int i = 0; i < width; i++)
{
dst1.Write(src1.Read());
dst1.OffsetX(1);
src1.OffsetX(1);
}
}
for (int sH = 0; sH < m; ++sH)
{
for (int i = 0; i < width * m; i++)
{
dst2.Write(src2.Read());
src2.OffsetX(1);
dst2.OffsetX(1);
}
src2.OffsetX(_textSurface.Width - (width * m));
dst2.OffsetX(dst2.Width - (width * m));
}
}
}
else
{
dst1 = new PixelNavigator(dst2);
for (int h = 0; h < height; ++h)
{
for (int w = 0; w < width; ++w)
{
var t = (src1.Read()) & 0x0f;
src1.OffsetX(1);
for (int i = 0; i < m; i++)
{
dst1.Write((byte)((t << 4) | t));
dst1.OffsetX(1);
}
}
dst1 = new PixelNavigator(dst2);
var src3 = new PixelNavigator(src2);
if (m == 2)
{
dst2.OffsetY(1);
src3.OffsetY(1);
}
for (int w = 0; w < width * m; ++w)
{
dst2.Write((byte)(src3.Read() | dst1.Read() & _townsLayer2Mask[src3.Read()]));
dst2.OffsetX(1);
dst1.Write((byte)(src2.Read() | dst1.Read() & _townsLayer2Mask[src2.Read()]));
src2.OffsetX(1);
src3.OffsetX(1);
dst1.OffsetX(1);
}
src1.OffsetX(sp1 / src1.BytesByPixel);
src2 = new PixelNavigator(src3);
src2.OffsetX(sp2 / src2.BytesByPixel);
dst1 = new PixelNavigator(dst2);
dst1.OffsetX(dp2 / dst1.BytesByPixel);
dst2.OffsetX(dp2 / dst2.BytesByPixel);
}
}
_townsScreen.AddDirtyRect(dstX * m, dstY * m, width * m, height * m);
}
static void Copy8Col(PixelNavigator navDst, PixelNavigator navSource, int height)
{
do
{
for (int i = 0; i < 8; i++)
{
navDst.Write(navSource.Read());
navDst.OffsetX(1);
navSource.OffsetX(1);
}
navDst.Offset(-8, 1);
navSource.Offset(-8, 1);
} while ((--height) != 0);
}
void Proc3(Codec1 v1)
{
int y = v1.Y;
_loaded.CostumeReader.BaseStream.Seek(_srcptr, System.IO.SeekOrigin.Begin);
var dst = new PixelNavigator(v1.DestPtr);
var len = v1.RepLen;
uint color = v1.RepColor;
var height = (uint)_height;
var scaleIndexY = _scaleIndexY;
var maskbit = (byte)ScummHelper.RevBitMask(v1.X & 7);
var mask = new PixelNavigator(v1.MaskPtr);
mask.OffsetX(v1.X / 8);
bool ehmerde = (len != 0);
do
{
if (!ehmerde)
{
len = _loaded.CostumeReader.ReadByte();
color = (uint)(len >> v1.Shr);
len &= v1.Mask;
if (len == 0)
len = _loaded.CostumeReader.ReadByte();
}
do
{
if (!ehmerde)
{
if (ScaleY == 255 || v1.Scaletable[scaleIndexY++] < ScaleY)
{
var masked = (y < 0 || y >= _h) || (v1.X < 0 || v1.X >= _w) || ((mask.Read() & maskbit) != 0);
if (color != 0 && !masked)
{
byte pcolor;
if ((ShadowMode & 0x20) != 0)
{
pcolor = ShadowTable[dst.Read()];
}
else
{
pcolor = (byte)_palette[color];
if (pcolor == 13 && ShadowTable != null)
pcolor = ShadowTable[dst.Read()];
}
dst.Write(pcolor);
}
dst.OffsetY(1);
mask.OffsetY(1);
y++;
}
if ((--height) == 0)
{
if ((--v1.SkipWidth) == 0)
return;
height = (uint)_height;
y = v1.Y;
scaleIndexY = _scaleIndexY;
if (ScaleX == 255 || v1.Scaletable[_scaleIndexX] < ScaleX)
{
v1.X += v1.ScaleXStep;
if (v1.X < 0 || v1.X >= _w)
return;
maskbit = (byte)ScummHelper.RevBitMask(v1.X & 7);
v1.DestPtr.OffsetX(v1.ScaleXStep);
}
_scaleIndexX = (byte)(_scaleIndexX + v1.ScaleXStep);
dst = new PixelNavigator(v1.DestPtr);
mask = new PixelNavigator(v1.MaskPtr);
mask.OffsetX(v1.X / 8);
}
}
ehmerde = false;
} while ((--len) != 0);
} while (true);
}
void DrawStripComplex(PixelNavigator navDst, BinaryReader src, int height, bool transpCheck)
{
byte color = src.ReadByte();
uint bits = src.ReadByte();
byte cl = 8;
byte incm, reps;
do
{
int x = 8;
do
{
FillBits(ref cl, ref bits, src);
if (!transpCheck || color != TransparentColor)
WriteRoomColor(navDst, color);
navDst.OffsetX(1);
againPos:
if (!ReadBit(ref cl, ref bits))
{
}
else if (!ReadBit(ref cl, ref bits))
{
FillBits(ref cl, ref bits, src);
color = (byte)(bits & decompMask);
bits >>= decompShr;
cl -= decompShr;
}
else
{
incm = (byte)((bits & 7) - 4);
cl -= 3;
bits >>= 3;
if (incm != 0)
{
color += incm;
}
else
{
FillBits(ref cl, ref bits, src);
reps = (byte)(bits & 0xFF);
do
{
if ((--x) == 0)
{
x = 8;
navDst.Offset(-8, 1);
if ((--height) == 0)
return;
}
if (!transpCheck || color != TransparentColor)
WriteRoomColor(navDst, color);
navDst.OffsetX(1);
} while ((--reps) != 0);
bits >>= 8;
bits |= (uint)(src.ReadByte()) << (cl - 8);
goto againPos;
}
}
} while ((--x) != 0);
navDst.Offset(-8, 1);
} while ((--height) != 0);
}
public static void BompApplyMask(byte[] line_buffer, int linePos, PixelNavigator mask, byte maskbit, int size, byte transparency)
{
while (true)
{
do
{
if (size-- == 0)
return;
if ((mask.Read() & maskbit) != 0)
{
line_buffer[linePos] = transparency;
}
linePos++;
maskbit >>= 1;
} while (maskbit != 0);
mask.OffsetX(1);
maskbit = 128;
}
}
void DrawStripRaw(PixelNavigator navDst, BinaryReader src, int height, bool transpCheck)
{
int x;
if (game.Features.HasFlag(GameFeatures.Old256))
{
int h = height;
x = 8;
while (true)
{
navDst.Write(RoomPalette[src.ReadByte()]);
if (!NextRow(ref navDst, ref x, ref h, height))
return;
}
}
do
{
for (x = 0; x < 8; x++)
{
int color = src.ReadByte();
if (!transpCheck || color != TransparentColor)
{
navDst.OffsetX(x);
WriteRoomColor(navDst, color);
navDst.OffsetX(-x);
}
}
navDst.OffsetY(1);
} while ((--height) != 0);
}
static void BompApplyShadow3(byte[] shadowPalette, byte[] lineBuffer, int linePos, PixelNavigator dst, int size, byte transparency)
{
while (size-- > 0)
{
byte tmp = lineBuffer[linePos++];
if (tmp != transparency)
{
if (tmp < 8)
{
tmp = shadowPalette[dst.Read() + (tmp << 8)];
}
dst.Write(tmp);
}
dst.OffsetX(1);
}
}
protected override void DrawBits1(Surface dest, int x, int y, BinaryReader src, int drawTop, int width, int height)
{
if (_sjisCurChar != 0)
{
// Debug.Assert(Vm._cjkFont);
// Vm._cjkFont.drawChar(dest, _sjisCurChar, x, y, _color, _shadowColor);
return;
}
bool scale2x = ((dest == Vm.TextSurface) && (Vm.TextSurfaceMultiplier == 2) /*&& !(_sjisCurChar >= 256 && Vm.UseCJKMode)*/);
byte bits = 0;
var col = Color;
var bpp = Surface.GetBytesPerPixel(dest.PixelFormat);
int pitch = dest.Pitch - width * bpp;
var dst = new PixelNavigator(dest);
dst.GoTo(x, y);
var dst2 = new PixelNavigator(dst);
dst2.OffsetY(1);
var dst3 = new PixelNavigator(dst2);
var dst4 = new PixelNavigator(dst2);
if (scale2x)
{
dst3.OffsetY(1);
dst4.OffsetY(1);
pitch <<= 1;
}
for (y = 0; y < height && y + drawTop < dest.Height; y++)
{
for (x = 0; x < width; x++)
{
if ((x % 8) == 0)
bits = src.ReadByte();
if (((bits & ScummHelper.RevBitMask(x % 8)) != 0) && y + drawTop >= 0)
{
if (bpp == 2)
{
if (_enableShadow)
{
dst.WriteUInt16(2, Vm._16BitPalette[_shadowColor]);
dst.WriteUInt16(2 + dest.Pitch, Vm._16BitPalette[_shadowColor]);
}
dst.WriteUInt16(Vm._16BitPalette[Color]);
}
else
{
if (_enableShadow)
{
if (scale2x)
{
dst.Write(2, _shadowColor);
dst.Write(3, _shadowColor);
dst2.Write(2, _shadowColor);
dst2.Write(3, _shadowColor);
dst3.Write(0, _shadowColor);
dst3.Write(1, _shadowColor);
dst4.Write(0, _shadowColor);
dst4.Write(0, _shadowColor);
}
else
{
dst2.Write(_shadowColor);
dst.Write(1, _shadowColor);
}
}
dst.Write(col);
if (scale2x)
{
dst.Write(1, col);
dst2.Write(0, col);
dst2.Write(1, col);
}
}
}
dst.OffsetX(1);
dst2.OffsetX(1);
if (scale2x)
{
dst.OffsetX(1);
dst2.OffsetX(1);
dst3.OffsetX(1);
dst4.OffsetX(1);
}
}
dst.OffsetX(pitch / dst.BytesByPixel);
dst2.OffsetX(pitch / dst2.BytesByPixel);
dst3.OffsetX(pitch / dst3.BytesByPixel);
dst4.OffsetX(pitch / dst4.BytesByPixel);
}
}
protected override void DrawBitsN(Surface s, PixelNavigator dst, IList<byte> src, int srcPos, byte bpp, int drawTop, int width, int height)
{
// if (_sjisCurChar)
// {
// assert(Vm._cjkFont);
// Vm._cjkFont.drawChar(Vm._textSurface, _sjisCurChar, _left * Vm._textSurfaceMultiplier, (_top - Vm._screenTop) * Vm._textSurfaceMultiplier, Vm._townsCharsetColorMap[1], _shadowColor);
// return;
// }
bool scale2x = (Vm.TextSurfaceMultiplier == 2);
dst = new PixelNavigator(Vm.TextSurface);
dst.GoTo(Left * Vm.TextSurfaceMultiplier, (Top - Vm.ScreenTop) * Vm.TextSurfaceMultiplier);
int y, x;
int color;
byte numbits, bits;
int pitch = Vm.TextSurface.Pitch - width;
Debug.Assert(bpp == 1 || bpp == 2 || bpp == 4 || bpp == 8);
bits = src[srcPos++];
numbits = 8;
var cmap = Vm.CharsetColorMap;
var dst2 = new PixelNavigator(dst);
if (Vm.Game.Platform == Platform.FMTowns)
cmap = Vm.TownsCharsetColorMap;
if (scale2x)
{
dst2.OffsetY(1);
pitch <<= 1;
}
for (y = 0; y < height && y + drawTop < Vm.TextSurface.Height; y++)
{
for (x = 0; x < width; x++)
{
color = (bits >> (8 - bpp)) & 0xFF;
if (color != 0 && y + drawTop >= 0)
{
dst.Write(cmap[color]);
if (scale2x)
{
dst.Write(1, dst.Read());
dst2.Write(dst.Read());
dst2.Write(1, dst.Read());
}
}
dst.OffsetX(1);
if (scale2x)
{
dst.OffsetX(1);
dst2.OffsetX(2);
}
bits <<= bpp;
numbits -= bpp;
if (numbits == 0)
{
bits = src[srcPos++];
numbits = 8;
}
}
dst.OffsetX(pitch / dst.BytesByPixel);
dst2.OffsetX(pitch / dst2.BytesByPixel);
}
}
void Akos16Decompress(PixelNavigator dest, int srcPos, int t_width, int t_height, int dir,
int numskip_before, int numskip_after, byte transparency, int maskLeft, int maskTop, int zBuf)
{
var tmp_buf = _akos16.Buffer;
var tmp_pos = 0;
var maskbit = (byte)ScummHelper.RevBitMask(maskLeft & 7);
if (dir < 0)
{
dest.OffsetX(-(t_width - 1));
tmp_pos += (t_width - 1);
}
Akos16SetupBitReader(srcPos);
if (numskip_before != 0)
{
Akos16SkipData(numskip_before);
}
var maskptr = _vm.GetMaskBuffer(maskLeft, maskTop, zBuf);
Debug.Assert(t_height > 0);
Debug.Assert(t_width > 0);
while ((t_height--) != 0)
{
Akos16DecodeLine(tmp_buf, tmp_pos, t_width, dir);
BompDrawData.BompApplyMask(_akos16.Buffer, 0, maskptr, maskbit, t_width, transparency);
BompDrawData.BompApplyShadow(ShadowMode, ShadowTable, _akos16.Buffer, 0, dest, t_width, transparency);
if (numskip_after != 0)
{
Akos16SkipData(numskip_after);
}
dest.OffsetY(1);
maskptr.OffsetY(1);
}
}
void CheckV2MouseOver(Point pos)
{
var vs = VerbVirtScreen;
Rect rect;
int i, x, y, new_box = -1;
// Don't do anything unless the inventory is active
if (!_userState.HasFlag(UserStates.IFaceInventory))
{
_mouseOverBoxV2 = -1;
return;
}
if (_cursor.State > 0)
{
for (i = 0; i < _mouseOverBoxesV2.Length; i++)
{
if (_mouseOverBoxesV2[i].rect.Contains(pos.X, pos.Y - vs.TopLine))
{
new_box = i;
break;
}
}
}
if ((new_box != _mouseOverBoxV2) || (Game.Version == 0))
{
if (_mouseOverBoxV2 != -1)
{
rect = _mouseOverBoxesV2[_mouseOverBoxV2].rect;
var dst = new PixelNavigator(vs.Surfaces[0]);
dst.GoTo(rect.Left, rect.Top);
// Remove highlight.
for (y = rect.Height - 1; y >= 0; y--)
{
for (x = rect.Width - 1; x >= 0; x--)
{
if (dst.Read() == _mouseOverBoxesV2[_mouseOverBoxV2].hicolor)
dst.Write(_mouseOverBoxesV2[_mouseOverBoxV2].color);
dst.OffsetX(1);
}
dst.Offset(-rect.Width, 1);
}
MarkRectAsDirty(VerbVirtScreen, rect);
}
if (new_box != -1)
{
rect = _mouseOverBoxesV2[new_box].rect;
var dst = new PixelNavigator(vs.Surfaces[0]);
dst.GoTo(rect.Left, rect.Top);
// Apply highlight
for (y = rect.Height - 1; y >= 0; y--)
{
for (x = rect.Width - 1; x >= 0; x--)
{
if (dst.Read() == _mouseOverBoxesV2[new_box].color)
dst.Write(_mouseOverBoxesV2[new_box].hicolor);
dst.OffsetX(1);
}
dst.Offset(-rect.Width, 1);
}
MarkRectAsDirty(VerbVirtScreen, rect);
}
_mouseOverBoxV2 = (sbyte)new_box;
}
}
bool MASK_AT(int xoff, PixelNavigator mask, int destX)
{
mask.OffsetX((destX + xoff) / 8);
return (mask.Read() & ScummHelper.RevBitMask((destX + xoff) & 7)) != 0;
}
