diff options
Diffstat (limited to 'engines/gob/video.cpp')
-rw-r--r-- | engines/gob/video.cpp | 331 |
1 files changed, 87 insertions, 244 deletions
diff --git a/engines/gob/video.cpp b/engines/gob/video.cpp index 6d2636d067..1de25cb594 100644 --- a/engines/gob/video.cpp +++ b/engines/gob/video.cpp @@ -89,81 +89,66 @@ uint16 Font::getCharCount() const { return _endItem - _startItem + 1; } -uint8 Font::getFirstChar() const { - return _startItem; -} - -uint8 Font::getLastChar() const { - return _endItem; -} - -uint8 Font::getCharSize() const { - return _itemSize; -} - bool Font::isMonospaced() const { return _charWidths == 0; } -const byte *Font::getCharData(uint8 c) const { - if (_endItem == 0) { - warning("Font::getCharData(): _endItem == 0"); - return 0; +void Font::drawLetter(Surface &surf, uint8 c, uint16 x, uint16 y, + uint32 color1, uint32 color2, bool transp) const { + + uint16 data; + + const byte *src = getCharData(c); + if (!src) { + warning("Font::drawLetter(): getCharData() == 0"); + return; } - if ((c < _startItem) || (c > _endItem)) - return 0; + Pixel dst = surf.get(x, y); - return _data + (c - _startItem) * _itemSize; -} + int nWidth = _itemWidth; + if (nWidth & 7) + nWidth = (nWidth & 0xF8) + 8; + nWidth >>= 3; -SurfaceDesc::SurfaceDesc(int16 vidMode, int16 width, int16 height, - byte *vidMem) : _width(width), _height(height) { + for (int i = 0; i < _itemHeight; i++) { + int width = _itemWidth; - if (vidMem) { - _vidMode = vidMode; - _ownVidMem = false; - _vidMem = vidMem; - } else { - _vidMode = vidMode; - _ownVidMem = true; - _vidMem = new byte[width * height]; - assert(_vidMem); - memset(_vidMem, 0, width * height); - } -} + for (int k = 0; k < nWidth; k++) { -void SurfaceDesc::setVidMem(byte *vidMem) { - assert(vidMem); + data = *src++; + for (int j = 0; j < MIN(8, width); j++) { + if (data & 0x80) + dst.set(color1); + else if (!transp) + dst.set(color2); - if (hasOwnVidMem()) - delete[] _vidMem; + dst++; + data <<= 1; + } - _ownVidMem = false; - _vidMem = vidMem; -} + width -= 8; -void SurfaceDesc::resize(int16 width, int16 height) { - if (hasOwnVidMem()) - delete[] _vidMem; + } - _width = width; - _height = height; - _ownVidMem = true; - _vidMem = new byte[width * height]; - assert(_vidMem); - memset(_vidMem, 0, width * height); + dst += surf.getWidth() - _itemWidth; + } } -void SurfaceDesc::swap(SurfaceDesc &surf) { - SWAP(_width, surf._width); - SWAP(_height, surf._height); - SWAP(_vidMode, surf._vidMode); - SWAP(_ownVidMem, surf._ownVidMem); - SWAP(_vidMem, surf._vidMem); +const byte *Font::getCharData(uint8 c) const { + if (_endItem == 0) { + warning("Font::getCharData(): _endItem == 0"); + return 0; + } + + if ((c < _startItem) || (c > _endItem)) + return 0; + + return _data + (c - _startItem) * _itemSize; } + Video::Video(GobEngine *vm) : _vm(vm) { _doRangeClamp = false; _videoDriver = 0; @@ -222,8 +207,8 @@ void Video::initPrimary(int16 mode) { } } -SurfaceDescPtr Video::initSurfDesc(int16 vidMode, int16 width, int16 height, int16 flags) { - SurfaceDescPtr descPtr; +SurfacePtr Video::initSurfDesc(int16 vidMode, int16 width, int16 height, int16 flags) { + SurfacePtr descPtr; if (flags & PRIMARY_SURFACE) assert((width == _surfWidth) && (height == _surfHeight)); @@ -236,14 +221,13 @@ SurfaceDescPtr Video::initSurfDesc(int16 vidMode, int16 width, int16 height, int descPtr = _vm->_global->_primarySurfDesc; descPtr->resize(width, height); - descPtr->_vidMode = vidMode; } else { assert(!(flags & DISABLE_SPR_ALLOC)); if (!(flags & SCUMMVM_CURSOR)) width = (width + 7) & 0xFFF8; - descPtr = SurfaceDescPtr(new SurfaceDesc(vidMode, width, height)); + descPtr = SurfacePtr(new Surface(width, height, 1)); } return descPtr; } @@ -280,8 +264,7 @@ void Video::retrace(bool mouse) { screenWidth = MIN<int>(_vm->_width, _splitSurf->getWidth()); screenHeight = _splitSurf->getHeight(); - g_system->copyRectToScreen(_splitSurf->getVidMem() + screenOffset, - _splitSurf->getWidth(), screenX, screenY, screenWidth, screenHeight); + _splitSurf->blitToScreen(0, 0, screenWidth - 1, screenHeight - 1, screenX, screenY); } else if (_splitHeight2 > 0) { @@ -317,191 +300,58 @@ void Video::sparseRetrace(int max) { _lastSparse = timeKey; } -void Video::putPixel(int16 x, int16 y, int16 color, SurfaceDesc &dest) { - if ((x >= dest.getWidth()) || (x < 0) || - (y >= dest.getHeight()) || (y < 0)) - return; +void Video::drawPacked(byte *sprBuf, int16 width, int16 height, + int16 x, int16 y, byte transp, Surface &dest) { - _videoDriver->putPixel(x, y, color, dest); -} - -void Video::fillRect(SurfaceDesc &dest, int16 left, int16 top, int16 right, - int16 bottom, int16 color) { - - if (_doRangeClamp) { - if (left > right) - SWAP(left, right); - if (top > bottom) - SWAP(top, bottom); - - if ((left >= dest.getWidth()) || (right < 0) || - (top >= dest.getHeight()) || (bottom < 0)) - return; - - left = CLIP(left, (int16)0, (int16)(dest.getWidth() - 1)); - top = CLIP(top, (int16)0, (int16)(dest.getHeight() - 1)); - right = CLIP(right, (int16)0, (int16)(dest.getWidth() - 1)); - bottom = CLIP(bottom, (int16)0, (int16)(dest.getHeight() - 1)); - } - - _videoDriver->fillRect(dest, left, top, right, bottom, color); -} - -void Video::drawLine(SurfaceDesc &dest, int16 x0, int16 y0, int16 x1, - int16 y1, int16 color) { - - if ((x0 == x1) || (y0 == y1)) - Video::fillRect(dest, x0, y0, x1, y1, color); - else - _videoDriver->drawLine(dest, x0, y0, x1, y1, color); -} - -/* - * The original's version of the Bresenham Algorithm was a bit "unclean" - * and produced strange edges at 45, 135, 225 and 315 degrees, so using the - * version found in the Wikipedia article about the - * "Bresenham's line algorithm" instead - */ -void Video::drawCircle(SurfaceDesc &dest, int16 x0, int16 y0, - int16 radius, int16 color) { - int16 f = 1 - radius; - int16 ddFx = 0; - int16 ddFy = -2 * radius; - int16 x = 0; - int16 y = radius; - int16 tmpPattern = (_vm->_draw->_pattern & 0xFF); - - if (tmpPattern == 0) { - putPixel(x0, y0 + radius, color, dest); - putPixel(x0, y0 - radius, color, dest); - putPixel(x0 + radius, y0, color, dest); - putPixel(x0 - radius, y0, color, dest); - } else - warning ("Video::drawCircle - pattern %d", _vm->_draw->_pattern); - - while (x < y) { - if (f >= 0) { - y--; - ddFy += 2; - f += ddFy; - } - x++; - ddFx += 2; - f += ddFx + 1; - - switch (tmpPattern) { - case -1: - fillRect(dest, x0 - y, y0 + x, x0 + y, y0 + x, color); - fillRect(dest, x0 - x, y0 + y, x0 + x, y0 + y, color); - fillRect(dest, x0 - y, y0 - x, x0 + y, y0 - x, color); - fillRect(dest, x0 - x, y0 - y, x0 + x, y0 - y, color); - break; - case 0: - putPixel(x0 + x, y0 + y, color, dest); - putPixel(x0 - x, y0 + y, color, dest); - putPixel(x0 + x, y0 - y, color, dest); - putPixel(x0 - x, y0 - y, color, dest); - putPixel(x0 + y, y0 + x, color, dest); - putPixel(x0 - y, y0 + x, color, dest); - putPixel(x0 + y, y0 - x, color, dest); - putPixel(x0 - y, y0 - x, color, dest); - break; - default: - fillRect(dest, x0 + y - tmpPattern, y0 + x - tmpPattern, x0 + y, y0 + x, color); - fillRect(dest, x0 + x - tmpPattern, y0 + y - tmpPattern, x0 + x, y0 + y, color); - fillRect(dest, x0 - y, y0 + x - tmpPattern, x0 - y + tmpPattern, y0 + x, color); - fillRect(dest, x0 - x, y0 + y - tmpPattern, x0 - x + tmpPattern, y0 + y, color); - fillRect(dest, x0 + y - tmpPattern, y0 - x, x0 + y, y0 - x + tmpPattern, color); - fillRect(dest, x0 + x - tmpPattern, y0 - y, x0 + x, y0 - y + tmpPattern, color); - fillRect(dest, x0 - y, y0 - x, x0 - y + tmpPattern, y0 - x + tmpPattern, color); - fillRect(dest, x0 - x, y0 - y, x0 - x + tmpPattern, y0 - y + tmpPattern, color); - break; - } - } -} - -void Video::clearSurf(SurfaceDesc &dest) { - Video::fillRect(dest, 0, 0, dest.getWidth() - 1, dest.getHeight() - 1, 0); -} + int destRight = x + width; + int destBottom = y + height; -void Video::drawSprite(SurfaceDesc &source, SurfaceDesc &dest, - int16 left, int16 top, int16 right, int16 bottom, int16 x, int16 y, int16 transp) { - int16 destRight; - int16 destBottom; + Pixel dst = dest.get(x, y); - if (_doRangeClamp) { - if (left > right) - SWAP(left, right); - if (top > bottom) - SWAP(top, bottom); + int curx = x; + int cury = y; - if ((left >= source.getWidth()) || (right < 0) || - (top >= source.getHeight()) || (bottom < 0)) - return; + while (1) { + uint8 val = *sprBuf++; + unsigned int repeat = val & 7; + val &= 0xF8; - if (left < 0) { - x -= left; - left = 0; + if (!(val & 8)) { + repeat <<= 8; + repeat |= *sprBuf++; } - if (top < 0) { - y -= top; - top = 0; + repeat++; + val >>= 4; + + for (unsigned int i = 0; i < repeat; ++i) { + if (curx < dest.getWidth() && cury < dest.getHeight()) + if (!transp || val) + dst.set(val); + + dst++; + curx++; + if (curx == destRight) { + dst += dest.getWidth() + x - curx; + curx = x; + cury++; + if (cury == destBottom) + return; + } } - right = CLIP(right, (int16)0, (int16)(source.getWidth() - 1)); - bottom = CLIP(bottom, (int16)0, (int16)(source.getHeight() - 1)); - if (right - left >= source.getWidth()) - right = left + source.getWidth() - 1; - if (bottom - top >= source.getHeight()) - bottom = top + source.getHeight() - 1; - - if (x < 0) { - left -= x; - x = 0; - } - if (y < 0) { - top -= y; - y = 0; - } - if ((x >= dest.getWidth()) || (left > right) || - (y >= dest.getHeight()) || (top > bottom)) - return; - destRight = x + right - left; - destBottom = y + bottom - top; - if (destRight >= dest.getWidth()) - right -= destRight - dest.getWidth() + 1; - - if (destBottom >= dest.getHeight()) - bottom -= destBottom - dest.getHeight() + 1; } - - _videoDriver->drawSprite(source, dest, left, top, right, bottom, x, y, transp); -} - -void Video::drawSpriteDouble(SurfaceDesc &source, SurfaceDesc &dest, - int16 left, int16 top, int16 right, int16 bottom, int16 x, int16 y, int16 transp) { - - _videoDriver->drawSpriteDouble(source, dest, left, top, right, bottom, x, y, transp); -} - -void Video::drawLetter(int16 item, int16 x, int16 y, const Font &font, - int16 color1, int16 color2, int16 transp, SurfaceDesc &dest) { - assert(item != 0x00); - _videoDriver->drawLetter((unsigned char)item, x, y, font, color1, color2, transp, dest); } void Video::drawPackedSprite(byte *sprBuf, int16 width, int16 height, - int16 x, int16 y, int16 transp, SurfaceDesc &dest) { + int16 x, int16 y, int16 transp, Surface &dest) { if (spriteUncompressor(sprBuf, width, height, x, y, transp, dest)) return; - _vm->validateVideoMode(dest._vidMode); - - _videoDriver->drawPackedSprite(sprBuf, width, height, x, y, transp, dest); + drawPacked(sprBuf, width, height, x, y, transp, dest); } -void Video::drawPackedSprite(const char *path, SurfaceDesc &dest, int width) { +void Video::drawPackedSprite(const char *path, Surface &dest, int width) { byte *data; data = _vm->_dataIO->getData(path); @@ -589,32 +439,25 @@ void Video::dirtyRectsAdd(int16 left, int16 top, int16 right, int16 bottom) { } void Video::dirtyRectsApply(int left, int top, int width, int height, int x, int y) { - byte *vidMem = _vm->_global->_primarySurfDesc->getVidMem(); - if (_dirtyAll) { - g_system->copyRectToScreen(vidMem + top * _surfWidth + left, - _surfWidth, x, y, width, height); + _vm->_global->_primarySurfDesc->blitToScreen(left, top, left + width - 1, top + height - 1, x, y); return; } - int right = left + width; - int bottom = top + height; + int right = left + width; + int bottom = top + height; Common::List<Common::Rect>::const_iterator it; for (it = _dirtyRects.begin(); it != _dirtyRects.end(); ++it) { - int l = MAX<int>(left, it->left); - int t = MAX<int>(top, it->top); - int r = MIN<int>(right, it->right); + int l = MAX<int>(left , it->left); + int t = MAX<int>(top , it->top); + int r = MIN<int>(right , it->right); int b = MIN<int>(bottom, it->bottom); - int w = r - l; - int h = b - t; - if ((w <= 0) || (h <= 0)) + if ((r <= l) || (b <= t)) continue; - byte *v = vidMem + t * _surfWidth + l; - - g_system->copyRectToScreen(v, _surfWidth, x + (l - left), y + (t - top), w, h); + _vm->_global->_primarySurfDesc->blitToScreen(l, t, r - 1, b - 1, x + (l - left), y + (t - top)); } } |