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 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;
}
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;
}
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();
}
}
}
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);
}
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);
}
/// <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);
}