C++ GfxView::draw方法代码示例

// This is "hacked" together, because its only used by debug command
void GfxPaint32::kernelDrawCel(GuiResourceId viewId, int16 loopNo, int16 celNo, uint16 leftPos, uint16 topPos, int16 priority, uint16 paletteNo, bool hiresMode, reg_t upscaledHiresHandle) {
	GfxView *view = _cache->getView(viewId);
	Common::Rect celRect(50, 50, 50, 50);
	Common::Rect translatedRect;
	celRect.bottom += view->getHeight(loopNo, celNo);
	celRect.right += view->getWidth(loopNo, celNo);
	view->draw(celRect, celRect, celRect, loopNo, celNo, 255, 0, false);
	_screen->copyRectToScreen(celRect);
}

// This is used as replacement for drawCelAndShow() when hires-cels are drawn to
// screen. Hires-cels are available only SCI 1.1+.
void GfxPaint16::drawHiresCelAndShow(GuiResourceId viewId, int16 loopNo, int16 celNo, uint16 leftPos, uint16 topPos, byte priority, uint16 paletteNo, reg_t upscaledHiresHandle, uint16 scaleX, uint16 scaleY) {
	GfxView *view = _cache->getView(viewId);
	Common::Rect celRect, curPortRect, clipRect, clipRectTranslated;
	Common::Point curPortPos;
	bool upscaledHiresHack = false;

	if (view) {
		if ((leftPos == 0) && (topPos == 0)) {
			// HACK: in kq6, we get leftPos&topPos == 0 SOMETIMES, that's why we
			// need to get coordinates from upscaledHiresHandle. I'm not sure if
			// this is what we are supposed to do or if there is some other bug
			// that actually makes coordinates to be 0 in the first place.
			byte *memoryPtr = NULL;
			memoryPtr = _segMan->getHunkPointer(upscaledHiresHandle);
			if (memoryPtr) {
				Common::Rect upscaledHiresRect;
				_screen->bitsGetRect(memoryPtr, &upscaledHiresRect);
				leftPos = upscaledHiresRect.left;
				topPos = upscaledHiresRect.top;
				upscaledHiresHack = true;
			}
		}

		celRect.left = leftPos;
		celRect.top = topPos;
		celRect.right = celRect.left + view->getWidth(loopNo, celNo);
		celRect.bottom = celRect.top + view->getHeight(loopNo, celNo);
		// adjust curPort to upscaled hires
		clipRect = celRect;
		curPortRect = _ports->_curPort->rect;
		_screen->adjustToUpscaledCoordinates(curPortRect.top, curPortRect.left);
		_screen->adjustToUpscaledCoordinates(curPortRect.bottom, curPortRect.right);
		curPortRect.bottom++;
		curPortRect.right++;
		clipRect.clip(curPortRect);
		if (clipRect.isEmpty()) // nothing to draw
			return;

		clipRectTranslated = clipRect;
		if (!upscaledHiresHack) {
			curPortPos.x = _ports->_curPort->left; curPortPos.y = _ports->_curPort->top;
			_screen->adjustToUpscaledCoordinates(curPortPos.y, curPortPos.x);
			clipRectTranslated.top += curPortPos.y; clipRectTranslated.bottom += curPortPos.y;
			clipRectTranslated.left += curPortPos.x; clipRectTranslated.right += curPortPos.x;
		}

		view->draw(celRect, clipRect, clipRectTranslated, loopNo, celNo, priority, paletteNo, true);
		if (!_screen->_picNotValidSci11) {
			_screen->copyDisplayRectToScreen(clipRectTranslated);
		}
	}
}

void GfxFrameout::kernelFrameout() {
	if (g_sci->_robotDecoder->isVideoLoaded()) {
		showVideo();
		return;
	}

	_palette->palVaryUpdate();

	for (PlaneList::iterator it = _planes.begin(); it != _planes.end(); it++) {
		reg_t planeObject = it->object;

		// Draw any plane lines, if they exist
		// These are drawn on invisible planes as well. (e.g. "invisiblePlane" in LSL6 hires)
		// FIXME: Lines aren't always drawn (e.g. when the narrator speaks in LSL6 hires).
		// Perhaps something is painted over them?
		for (PlaneLineList::iterator it2 = it->lines.begin(); it2 != it->lines.end(); ++it2) {
			Common::Point startPoint = it2->startPoint;
			Common::Point endPoint = it2->endPoint;
			_coordAdjuster->kernelLocalToGlobal(startPoint.x, startPoint.y, it->object);
			_coordAdjuster->kernelLocalToGlobal(endPoint.x, endPoint.y, it->object);
			_screen->drawLine(startPoint, endPoint, it2->color, it2->priority, it2->control);
		}

		int16 planeLastPriority = it->lastPriority;

		// Update priority here, sq6 sets it w/o UpdatePlane
		int16 planePriority = it->priority = readSelectorValue(_segMan, planeObject, SELECTOR(priority));

		it->lastPriority = planePriority;
		if (planePriority < 0) { // Plane currently not meant to be shown
			// If plane was shown before, delete plane rect
			if (planePriority != planeLastPriority)
				_paint32->fillRect(it->planeRect, 0);
			continue;
		}

		// There is a race condition lurking in SQ6, which causes the game to hang in the intro, when teleporting to Polysorbate LX.
		// Since I first wrote the patch, the race has stopped occurring for me though.
		// I'll leave this for investigation later, when someone can reproduce.
		//if (it->pictureId == kPlanePlainColored)	// FIXME: This is what SSCI does, and fixes the intro of LSL7, but breaks the dialogs in GK1 (adds black boxes)
		if (it->pictureId == kPlanePlainColored && (it->planeBack || g_sci->getGameId() != GID_GK1))
			_paint32->fillRect(it->planeRect, it->planeBack);

		_coordAdjuster->pictureSetDisplayArea(it->planeRect);
		// Invoking drewPicture() with an invalid picture ID in SCI32 results in
		// invalidating the palVary palette when a palVary effect is active. This
		// is quite obvious in QFG4, where the day time palette is incorrectly
		// shown when exiting the caves, and the correct night time palette
		// flashes briefly each time that kPalVaryInit is called.
		if (it->pictureId != 0xFFFF)
			_palette->drewPicture(it->pictureId);

		FrameoutList itemList;

		createPlaneItemList(planeObject, itemList);

		for (FrameoutList::iterator listIterator = itemList.begin(); listIterator != itemList.end(); listIterator++) {
			FrameoutEntry *itemEntry = *listIterator;

			if (!itemEntry->visible)
				continue;

			if (itemEntry->object.isNull()) {
				// Picture cel data
				_coordAdjuster->fromScriptToDisplay(itemEntry->y, itemEntry->x);
				_coordAdjuster->fromScriptToDisplay(itemEntry->picStartY, itemEntry->picStartX);

				if (!isPictureOutOfView(itemEntry, it->planeRect, it->planeOffsetX, it->planeOffsetY))
					drawPicture(itemEntry, it->planeOffsetX, it->planeOffsetY, it->planePictureMirrored);
			} else {
				GfxView *view = (itemEntry->viewId != 0xFFFF) ? _cache->getView(itemEntry->viewId) : NULL;
				int16 dummyX = 0;

				if (view && view->isSci2Hires()) {
					view->adjustToUpscaledCoordinates(itemEntry->y, itemEntry->x);
					view->adjustToUpscaledCoordinates(itemEntry->z, dummyX);
				} else if (getSciVersion() >= SCI_VERSION_2_1) {
					_coordAdjuster->fromScriptToDisplay(itemEntry->y, itemEntry->x);
					_coordAdjuster->fromScriptToDisplay(itemEntry->z, dummyX);
				}

				// Adjust according to current scroll position
				itemEntry->x -= it->planeOffsetX;
				itemEntry->y -= it->planeOffsetY;

				uint16 useInsetRect = readSelectorValue(_segMan, itemEntry->object, SELECTOR(useInsetRect));
				if (useInsetRect) {
					itemEntry->celRect.top = readSelectorValue(_segMan, itemEntry->object, SELECTOR(inTop));
					itemEntry->celRect.left = readSelectorValue(_segMan, itemEntry->object, SELECTOR(inLeft));
					itemEntry->celRect.bottom = readSelectorValue(_segMan, itemEntry->object, SELECTOR(inBottom));
					itemEntry->celRect.right = readSelectorValue(_segMan, itemEntry->object, SELECTOR(inRight));
					if (view && view->isSci2Hires()) {
						view->adjustToUpscaledCoordinates(itemEntry->celRect.top, itemEntry->celRect.left);
						view->adjustToUpscaledCoordinates(itemEntry->celRect.bottom, itemEntry->celRect.right);
					}
					itemEntry->celRect.translate(itemEntry->x, itemEntry->y);
					// TODO: maybe we should clip the cels rect with this, i'm not sure
					//  the only currently known usage is game menu of gk1
				} else if (view) {
					// Process global scaling, if needed.
//.........这里部分代码省略.........

//.........这里部分代码省略.........

//		warning("Plane %s", _segMan->getObjectName(planeObject));

		for (FrameoutList::iterator listIterator = itemList.begin(); listIterator != itemList.end(); listIterator++) {
			FrameoutEntry *itemEntry = *listIterator;

			if (itemEntry->object.isNull()) {
				// Picture cel data
				itemEntry->y = ((itemEntry->y * _screen->getHeight()) / scriptsRunningHeight);
				itemEntry->x = ((itemEntry->x * _screen->getWidth()) / scriptsRunningWidth);
				itemEntry->picStartX = ((itemEntry->picStartX * _screen->getWidth()) / scriptsRunningWidth);

				// Out of view
				int16 pictureCelStartX = itemEntry->picStartX + itemEntry->x;
				int16 pictureCelEndX = pictureCelStartX + itemEntry->picture->getSci32celWidth(itemEntry->celNo);
				int16 planeStartX = it->planeOffsetX;
				int16 planeEndX = planeStartX + it->planeRect.width();
				if (pictureCelEndX < planeStartX)
					continue;
				if (pictureCelStartX > planeEndX)
					continue;

				int16 pictureOffsetX = it->planeOffsetX;
				int16 pictureX = itemEntry->x;
				if ((it->planeOffsetX) || (itemEntry->picStartX)) {
					if (it->planeOffsetX <= itemEntry->picStartX) {
						pictureX += itemEntry->picStartX - it->planeOffsetX;
						pictureOffsetX = 0;
					} else {
						pictureOffsetX = it->planeOffsetX - itemEntry->picStartX;
					}
				}

				itemEntry->picture->drawSci32Vga(itemEntry->celNo, pictureX, itemEntry->y, pictureOffsetX, it->planePictureMirrored);
//				warning("picture cel %d %d", itemEntry->celNo, itemEntry->priority);

			} else if (itemEntry->viewId != 0xFFFF) {
				GfxView *view = _cache->getView(itemEntry->viewId);

//				warning("view %s %04x:%04x", _segMan->getObjectName(itemEntry->object), PRINT_REG(itemEntry->object));


				if (view->isSci2Hires()) {
					int16 dummyX = 0;
					_screen->adjustToUpscaledCoordinates(itemEntry->y, itemEntry->x);
					_screen->adjustToUpscaledCoordinates(itemEntry->z, dummyX);
				} else if (getSciVersion() == SCI_VERSION_2_1) {
					itemEntry->y = (itemEntry->y * _screen->getHeight()) / scriptsRunningHeight;
					itemEntry->x = (itemEntry->x * _screen->getWidth()) / scriptsRunningWidth;
					itemEntry->z = (itemEntry->z * _screen->getHeight()) / scriptsRunningHeight;
				}

				// Adjust according to current scroll position
				itemEntry->x -= it->planeOffsetX;

				uint16 useInsetRect = readSelectorValue(_segMan, itemEntry->object, SELECTOR(useInsetRect));
				if (useInsetRect) {
					itemEntry->celRect.top = readSelectorValue(_segMan, itemEntry->object, SELECTOR(inTop));
					itemEntry->celRect.left = readSelectorValue(_segMan, itemEntry->object, SELECTOR(inLeft));
					itemEntry->celRect.bottom = readSelectorValue(_segMan, itemEntry->object, SELECTOR(inBottom)) + 1;
					itemEntry->celRect.right = readSelectorValue(_segMan, itemEntry->object, SELECTOR(inRight)) + 1;
					if (view->isSci2Hires()) {
						_screen->adjustToUpscaledCoordinates(itemEntry->celRect.top, itemEntry->celRect.left);
						_screen->adjustToUpscaledCoordinates(itemEntry->celRect.bottom, itemEntry->celRect.right);
					}
					itemEntry->celRect.translate(itemEntry->x, itemEntry->y);