diff options
Diffstat (limited to 'engines/lab/dispman.cpp')
-rw-r--r-- | engines/lab/dispman.cpp | 448 |
1 files changed, 448 insertions, 0 deletions
diff --git a/engines/lab/dispman.cpp b/engines/lab/dispman.cpp index df35f9f29d..d2f5f8d778 100644 --- a/engines/lab/dispman.cpp +++ b/engines/lab/dispman.cpp @@ -748,4 +748,452 @@ void DisplayMan::text(TextFont *tf, uint16 x, uint16 y, uint16 color, const char text++; } } + +/** + * Scrolls the display to black. + */ +void DisplayMan::doScrollBlack() { + uint16 width = _vm->_utils->vgaScaleX(320); + uint16 height = _vm->_utils->vgaScaleY(149) + _vm->_utils->svgaCord(2); + byte *mem = new byte[width * height]; + + _vm->_event->mouseHide(); + + Image img; + img._width = width; + img._height = height; + img._imageData = mem; + _vm->_music->updateMusic(); + img.readScreenImage(0, 0); + _vm->_music->updateMusic(); + + byte *baseAddr = getCurrentDrawingBuffer(); + uint16 by = _vm->_utils->vgaScaleX(4); + uint16 nheight = height; + + while (nheight) { + _vm->_music->updateMusic(); + + if (!_vm->_isHiRes) + _vm->waitTOF(); + + baseAddr = getCurrentDrawingBuffer(); + + if (by > nheight) + by = nheight; + + mem += by * width; + nheight -= by; + uint32 copysize; + uint32 size = (int32)nheight * (int32)width; + byte *tempmem = mem; + + while (size) { + if (size > _screenBytesPerPage) + copysize = _screenBytesPerPage; + else + copysize = size; + + size -= copysize; + + memcpy(baseAddr, tempmem, copysize); + tempmem += copysize; + } + + setAPen(0); + rectFill(0, nheight, width - 1, nheight + by - 1); + + screenUpdate(); + + if (!_vm->_isHiRes) { + if (nheight <= (height / 8)) + by = 1; + else if (nheight <= (height / 4)) + by = 2; + else if (nheight <= (height / 2)) + by = 3; + } + } + + delete[] mem; + freePict(); + _vm->_event->mouseShow(); +} + +void DisplayMan::copyPage(uint16 width, uint16 height, uint16 nheight, uint16 startLine, byte *mem) { + byte *baseAddr = getCurrentDrawingBuffer(); + + uint32 size = (int32)(height - nheight) * (int32)width; + mem += startLine * width; + uint16 curPage = ((int32)nheight * (int32)width) / _screenBytesPerPage; + uint32 offSet = ((int32)nheight * (int32)width) - (curPage * _screenBytesPerPage); + + while (size) { + uint32 copySize; + if (size > (_screenBytesPerPage - offSet)) + copySize = _screenBytesPerPage - offSet; + else + copySize = size; + + size -= copySize; + + memcpy(baseAddr + (offSet >> 2), mem, copySize); + mem += copySize; + curPage++; + offSet = 0; + } +} + +/** + * Scrolls the display to a new picture from a black screen. + */ +void DisplayMan::doScrollWipe(char *filename) { + uint16 startLine = 0, onRow = 0; + + _vm->_event->mouseHide(); + uint16 width = _vm->_utils->vgaScaleX(320); + uint16 height = _vm->_utils->vgaScaleY(149) + _vm->_utils->svgaCord(2); + + while (_vm->_music->isSoundEffectActive()) { + _vm->_music->updateMusic(); + _vm->waitTOF(); + } + + readPict(filename, true, true); + setPalette(_vm->_anim->_diffPalette, 256); + byte *mem = _vm->_anim->_rawDiffBM._planes[0]; + + _vm->_music->updateMusic(); + uint16 by = _vm->_utils->vgaScaleX(3); + uint16 nheight = height; + + while (onRow < _vm->_anim->_headerdata._height) { + _vm->_music->updateMusic(); + + if ((by > nheight) && nheight) + by = nheight; + + if ((startLine + by) > (_vm->_anim->_headerdata._height - height - 1)) + break; + + if (nheight) + nheight -= by; + + copyPage(width, height, nheight, startLine, mem); + + screenUpdate(); + + if (!nheight) + startLine += by; + + onRow += by; + + if (nheight <= (height / 4)) + by = _vm->_utils->vgaScaleX(5); + else if (nheight <= (height / 3)) + by = _vm->_utils->vgaScaleX(4); + else if (nheight <= (height / 2)) + by = _vm->_utils->vgaScaleX(3); + } + + _vm->_event->mouseShow(); +} + +/** + * Does the scroll bounce. Assumes bitmap already in memory. + */ +void DisplayMan::doScrollBounce() { + const uint16 *newby, *newby1; + + const uint16 newbyd[5] = {5, 4, 3, 2, 1}, newby1d[8] = {3, 3, 2, 2, 2, 1, 1, 1}; + const uint16 newbyw[5] = {10, 8, 6, 4, 2}, newby1w[8] = {6, 6, 4, 4, 4, 2, 2, 2}; + + if (_vm->getPlatform() != Common::kPlatformWindows) { + newby = newbyd; + newby1 = newby1d; + } else { + newby = newbyw; + newby1 = newby1w; + } + + _vm->_event->mouseHide(); + int width = _vm->_utils->vgaScaleX(320); + int height = _vm->_utils->vgaScaleY(149) + _vm->_utils->svgaCord(2); + byte *mem = _vm->_anim->_rawDiffBM._planes[0]; + + _vm->_music->updateMusic(); + int startLine = _vm->_anim->_headerdata._height - height - 1; + + for (int i = 0; i < 5; i++) { + _vm->_music->updateMusic(); + startLine -= newby[i]; + copyPage(width, height, 0, startLine, mem); + + screenUpdate(); + _vm->waitTOF(); + } + + for (int i = 8; i > 0; i--) { + _vm->_music->updateMusic(); + startLine += newby1[i - 1]; + copyPage(width, height, 0, startLine, mem); + + screenUpdate(); + _vm->waitTOF(); + } + + _vm->_event->mouseShow(); +} + +/** + * Does the transporter wipe. + */ +void DisplayMan::doTransWipe(CloseDataPtr *closePtrList, char *filename) { + uint16 lastY, curY, linesDone = 0, linesLast; + + if (_vm->_isHiRes) { + linesLast = 3; + lastY = 358; + } else { + linesLast = 1; + lastY = 148; + } + + for (uint16 j = 0; j < 2; j++) { + for (uint16 i = 0; i < 2; i++) { + curY = i * 2; + + while (curY < lastY) { + if (linesDone >= linesLast) { + _vm->_music->updateMusic(); + _vm->waitTOF(); + linesDone = 0; + } + + if (j == 9) + overlayRect(0, 0, curY, _screenWidth - 1, curY + 1); + else + rectFill(0, curY, _screenWidth - 1, curY + 1); + curY += 4; + linesDone++; + } // while + } // for i + + setAPen(0); + } // for j + + if (filename == NULL) + _vm->_curFileName = _vm->getPictName(closePtrList); + else if (filename[0] > ' ') + _vm->_curFileName = filename; + else + _vm->_curFileName = _vm->getPictName(closePtrList); + + byte *bitMapBuffer = new byte[_screenWidth * (lastY + 5)]; + readPict(_vm->_curFileName, true, false, bitMapBuffer, lastY + 5); + + setPalette(_vm->_anim->_diffPalette, 256); + + Image imSource; + imSource._width = _screenWidth; + imSource._height = lastY; + imSource._imageData = bitMapBuffer; + + Image imDest; + imDest._width = _screenWidth; + imDest._height = _screenHeight; + imDest._imageData = getCurrentDrawingBuffer(); + + for (uint16 j = 0; j < 2; j++) { + for (uint16 i = 0; i < 2; i++) { + curY = i * 2; + + while (curY < lastY) { + if (linesDone >= linesLast) { + _vm->_music->updateMusic(); + _vm->waitTOF(); + linesDone = 0; + } + + imDest._imageData = getCurrentDrawingBuffer(); + + if (j == 0) { + imSource.blitBitmap(0, curY, &imDest, 0, curY, _screenWidth, 2, false); + overlayRect(0, 0, curY, _screenWidth - 1, curY + 1); + } else { + uint16 bitmapHeight = (curY == lastY) ? 1 : 2; + imSource.blitBitmap(0, curY, &imDest, 0, curY, _screenWidth, bitmapHeight, false); + } + curY += 4; + linesDone++; + } // while + } // for i + } // for j + + delete[] bitMapBuffer; +} + +/** + * Does a certain number of pre-programmed wipes. + */ +void DisplayMan::doTransition(TransitionType transitionType, CloseDataPtr *closePtrList, char *filename) { + switch (transitionType) { + case kTransitionWipe: + case kTransitionTransporter: + doTransWipe(closePtrList, filename); + break; + case kTransitionScrollWipe: + doScrollWipe(filename); + break; + case kTransitionScrollBlack: + doScrollBlack(); + break; + case kTransitionScrollBounce: + doScrollBounce(); + break; + case kTransitionReadFirstFrame: + readPict(filename, false); + break; + case kTransitionReadNextFrame: + _vm->_anim->diffNextFrame(); + break; + case kTransitionNone: + default: + break; + } +} + +/** + * Changes the front screen to black. + */ +void DisplayMan::blackScreen() { + byte pal[256 * 3]; + memset(pal, 0, 248 * 3); + writeColorRegs(pal, 8, 248); + + g_system->delayMillis(32); +} + +/** + * Changes the front screen to white. + */ +void DisplayMan::whiteScreen() { + byte pal[256 * 3]; + memset(pal, 255, 248 * 3); + writeColorRegs(pal, 8, 248); +} + +/** + * Changes the entire screen to black. +*/ +void DisplayMan::blackAllScreen() { + byte pal[256 * 3]; + memset(pal, 0, 256 * 3); + writeColorRegs(pal, 0, 256); + + g_system->delayMillis(32); +} + +/** + * Scrolls the display in the x direction by blitting. + * The _tempScrollData variable must be initialized to some memory, or this + * function will fail. + */ +void DisplayMan::scrollDisplayX(int16 dx, uint16 x1, uint16 y1, uint16 x2, uint16 y2, byte *buffer) { + Image im; + im._imageData = buffer; + + if (x1 > x2) + SWAP<uint16>(x1, x2); + + if (y1 > y2) + SWAP<uint16>(y1, y2); + + if (dx > 0) { + im._width = x2 - x1 + 1 - dx; + im._height = y2 - y1 + 1; + + im.readScreenImage(x1, y1); + im.drawImage(x1 + dx, y1); + + setAPen(0); + rectFill(x1, y1, x1 + dx - 1, y2); + } else if (dx < 0) { + im._width = x2 - x1 + 1 + dx; + im._height = y2 - y1 + 1; + + im.readScreenImage(x1 - dx, y1); + im.drawImage(x1, y1); + + setAPen(0); + rectFill(x2 + dx + 1, y1, x2, y2); + } +} + +/** + * Scrolls the display in the y direction by blitting. + */ +void DisplayMan::scrollDisplayY(int16 dy, uint16 x1, uint16 y1, uint16 x2, uint16 y2, byte *buffer) { + Image im; + im._imageData = buffer; + + if (x1 > x2) + SWAP<uint16>(x1, x2); + + if (y1 > y2) + SWAP<uint16>(y1, y2); + + if (dy > 0) { + im._width = x2 - x1 + 1; + im._height = y2 - y1 + 1 - dy; + + im.readScreenImage(x1, y1); + im.drawImage(x1, y1 + dy); + + setAPen(0); + rectFill(x1, y1, x2, y1 + dy - 1); + } else if (dy < 0) { + im._width = x2 - x1 + 1; + im._height = y2 - y1 + 1 + dy; + + im.readScreenImage(x1, y1 - dy); + im.drawImage(x1, y1); + + setAPen(0); + rectFill(x1, y2 + dy + 1, x2, y2); + } +} + +/** + * Does the fading of the Palette on the screen. + */ +uint16 DisplayMan::fadeNumIn(uint16 num, uint16 res, uint16 counter) { + return (num - ((((int32)(15 - counter)) * ((int32)(num - res))) / 15)); +} + +uint16 DisplayMan::fadeNumOut(uint16 num, uint16 res, uint16 counter) { + return (num - ((((int32) counter) * ((int32)(num - res))) / 15)); +} + +void DisplayMan::fade(bool fadeIn, uint16 res) { + uint16 newPal[16]; + + for (uint16 i = 0; i < 16; i++) { + for (uint16 palIdx = 0; palIdx < 16; palIdx++) { + if (fadeIn) + newPal[palIdx] = (0x00F & fadeNumIn(0x00F & FadePalette[palIdx], 0x00F & res, i)) + + (0x0F0 & fadeNumIn(0x0F0 & FadePalette[palIdx], 0x0F0 & res, i)) + + (0xF00 & fadeNumIn(0xF00 & FadePalette[palIdx], 0xF00 & res, i)); + else + newPal[palIdx] = (0x00F & fadeNumOut(0x00F & FadePalette[palIdx], 0x00F & res, i)) + + (0x0F0 & fadeNumOut(0x0F0 & FadePalette[palIdx], 0x0F0 & res, i)) + + (0xF00 & fadeNumOut(0xF00 & FadePalette[palIdx], 0xF00 & res, i)); + } + + setAmigaPal(newPal, 16); + _vm->waitTOF(); + _vm->_music->updateMusic(); + } +} + } // End of namespace Lab |