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|
/* ScummVM - Graphic Adventure Engine
*
* ScummVM is the legal property of its developers, whose names
* are too numerous to list here. Please refer to the COPYRIGHT
* file distributed with this source distribution.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
* $URL$
* $Id$
*
*/
#include "common/events.h"
#include "common/util.h"
#include "common/stack.h"
#include "graphics/surface.h"
#include "sci/sci.h"
#include "sci/engine/state.h"
#include "sci/graphics/gui.h"
#include "sci/graphics/screen.h"
#include "sci/graphics/palette.h"
#include "sci/graphics/transitions.h"
namespace Sci {
Transitions::Transitions(SciGui *gui, Screen *screen, SciPalette *palette, bool isVGA)
: _gui(gui), _screen(screen), _palette(palette), _isVGA(isVGA) {
init();
}
Transitions::~Transitions() {
delete[] _oldScreen;
}
// This table contains a mapping between oldIDs (prior SCI1LATE) and newIDs
static const GuiTransitionTranslateEntry oldTransitionIDs[] = {
{ 0, SCI_TRANSITIONS_VERTICALROLL_FROMCENTER, false },
{ 1, SCI_TRANSITIONS_HORIZONTALROLL_FROMCENTER, false },
{ 2, SCI_TRANSITIONS_STRAIGHT_FROM_RIGHT, false },
{ 3, SCI_TRANSITIONS_STRAIGHT_FROM_LEFT, false },
{ 4, SCI_TRANSITIONS_STRAIGHT_FROM_BOTTOM, false },
{ 5, SCI_TRANSITIONS_STRAIGHT_FROM_TOP, false },
{ 6, SCI_TRANSITIONS_DIAGONALROLL_FROMCENTER, false },
{ 7, SCI_TRANSITIONS_DIAGONALROLL_TOCENTER, false },
{ 8, SCI_TRANSITIONS_BLOCKS, false },
{ 9, SCI_TRANSITIONS_VERTICALROLL_TOCENTER, false },
{ 10, SCI_TRANSITIONS_HORIZONTALROLL_TOCENTER, false },
{ 11, SCI_TRANSITIONS_STRAIGHT_FROM_RIGHT, true },
{ 12, SCI_TRANSITIONS_STRAIGHT_FROM_LEFT, true },
{ 13, SCI_TRANSITIONS_STRAIGHT_FROM_BOTTOM, true },
{ 14, SCI_TRANSITIONS_STRAIGHT_FROM_TOP, true },
{ 15, SCI_TRANSITIONS_DIAGONALROLL_FROMCENTER, true },
{ 16, SCI_TRANSITIONS_DIAGONALROLL_TOCENTER, true },
{ 17, SCI_TRANSITIONS_BLOCKS, true },
{ 18, SCI_TRANSITIONS_PIXELATION, false },
{ 27, SCI_TRANSITIONS_PIXELATION , true },
{ 30, SCI_TRANSITIONS_FADEPALETTE, false },
{ 40, SCI_TRANSITIONS_SCROLL_RIGHT, false },
{ 41, SCI_TRANSITIONS_SCROLL_LEFT, false },
{ 42, SCI_TRANSITIONS_SCROLL_UP, false },
{ 43, SCI_TRANSITIONS_SCROLL_DOWN, false },
{ 100, SCI_TRANSITIONS_NONE, false },
{ 255, 255, false }
};
// this table defines the blackout-transition that needs to be done prior doing the actual transition
static const GuiTransitionTranslateEntry blackoutTransitionIDs[] = {
{ SCI_TRANSITIONS_VERTICALROLL_FROMCENTER, SCI_TRANSITIONS_VERTICALROLL_TOCENTER, true },
{ SCI_TRANSITIONS_HORIZONTALROLL_FROMCENTER, SCI_TRANSITIONS_HORIZONTALROLL_TOCENTER, true },
{ SCI_TRANSITIONS_STRAIGHT_FROM_RIGHT, SCI_TRANSITIONS_STRAIGHT_FROM_LEFT, true },
{ SCI_TRANSITIONS_STRAIGHT_FROM_LEFT, SCI_TRANSITIONS_STRAIGHT_FROM_RIGHT, true },
{ SCI_TRANSITIONS_STRAIGHT_FROM_BOTTOM, SCI_TRANSITIONS_STRAIGHT_FROM_TOP, true },
{ SCI_TRANSITIONS_STRAIGHT_FROM_TOP, SCI_TRANSITIONS_STRAIGHT_FROM_BOTTOM, true },
{ SCI_TRANSITIONS_DIAGONALROLL_FROMCENTER, SCI_TRANSITIONS_DIAGONALROLL_TOCENTER, true },
{ SCI_TRANSITIONS_DIAGONALROLL_TOCENTER, SCI_TRANSITIONS_DIAGONALROLL_FROMCENTER, true },
{ SCI_TRANSITIONS_BLOCKS, SCI_TRANSITIONS_BLOCKS, true },
{ SCI_TRANSITIONS_PIXELATION, SCI_TRANSITIONS_PIXELATION, true },
{ SCI_TRANSITIONS_FADEPALETTE, SCI_TRANSITIONS_NONE, true },
{ SCI_TRANSITIONS_SCROLL_RIGHT, SCI_TRANSITIONS_NONE, true },
{ SCI_TRANSITIONS_SCROLL_LEFT, SCI_TRANSITIONS_NONE, true },
{ SCI_TRANSITIONS_SCROLL_UP, SCI_TRANSITIONS_NONE, true },
{ SCI_TRANSITIONS_SCROLL_DOWN, SCI_TRANSITIONS_NONE, true },
{ SCI_TRANSITIONS_NONE_LONGBOW, SCI_TRANSITIONS_NONE, true },
{ SCI_TRANSITIONS_NONE, SCI_TRANSITIONS_NONE, true },
{ SCI_TRANSITIONS_VERTICALROLL_TOCENTER, SCI_TRANSITIONS_NONE, true },
{ SCI_TRANSITIONS_HORIZONTALROLL_TOCENTER, SCI_TRANSITIONS_NONE, true },
{ 255, 255, true }
};
void Transitions::init() {
_oldScreen = new byte[_screen->getDisplayHeight() * _screen->getDisplayWidth()];
if (getSciVersion() >= SCI_VERSION_1_LATE)
_translationTable = NULL;
else
_translationTable = oldTransitionIDs;
// setup default transition
_number = SCI_TRANSITIONS_HORIZONTALROLL_FROMCENTER;
_blackoutFlag = false;
}
void Transitions::setup(int16 number, bool blackoutFlag) {
if (number != -1) {
_number = number;
_blackoutFlag = blackoutFlag;
}
}
void Transitions::updateScreenAndWait(int msec) {
Common::Event ev;
g_system->updateScreen();
g_system->delayMillis(msec);
while (g_system->getEventManager()->pollEvent(ev)) {} // discard all events
}
// will translate a number and return corresponding translationEntry
const GuiTransitionTranslateEntry *Transitions::translateNumber (int16 number, const GuiTransitionTranslateEntry *tablePtr) {
while (1) {
if (tablePtr->orgId == 255)
return NULL;
if (tablePtr->orgId == number)
return tablePtr;
tablePtr++;
}
}
void Transitions::doit(Common::Rect picRect) {
const GuiTransitionTranslateEntry *translationEntry = _translationTable;
_picRect = picRect;
if (_translationTable) {
// We need to translate the ID
translationEntry = translateNumber(_number, _translationTable);
if (translationEntry) {
_number = translationEntry->newId;
_blackoutFlag = translationEntry->blackoutFlag;
} else {
warning("Transitions: old ID %d not supported", _number);
_number = SCI_TRANSITIONS_NONE;
_blackoutFlag = false;
}
}
if (_blackoutFlag) {
// We need to find out what transition we are supposed to use for blackout
translationEntry = translateNumber(_number, blackoutTransitionIDs);
if (translationEntry) {
doTransition(translationEntry->newId, true);
} else {
warning("Transitions: ID %d not listed in blackoutTransitionIDs", _number);
}
}
// Now we do the actual transition to the new screen
doTransition(_number, false);
if (picRect.bottom != _screen->getHeight()) {
// TODO: this is a workaround for lsl6 not showing menubar when playing
// There is some new code in the sierra sci in ShowPic that seems to do something similar to this
_screen->copyToScreen();
g_system->updateScreen();
}
_screen->_picNotValid = 0;
}
// This may get called twice, if blackoutFlag is set. It will get once called with blackoutFlag set and another time
// with no blackoutFlag.
void Transitions::doTransition(int16 number, bool blackoutFlag) {
if (number != SCI_TRANSITIONS_FADEPALETTE) {
setNewPalette(blackoutFlag);
}
switch (number) {
case SCI_TRANSITIONS_VERTICALROLL_FROMCENTER:
verticalRollFromCenter(blackoutFlag);
break;
case SCI_TRANSITIONS_VERTICALROLL_TOCENTER:
verticalRollFromCenter(blackoutFlag);
break;
case SCI_TRANSITIONS_HORIZONTALROLL_FROMCENTER:
horizontalRollFromCenter(blackoutFlag);
break;
case SCI_TRANSITIONS_HORIZONTALROLL_TOCENTER:
horizontalRollToCenter(blackoutFlag);
break;
case SCI_TRANSITIONS_DIAGONALROLL_TOCENTER:
diagonalRollToCenter(blackoutFlag);
break;
case SCI_TRANSITIONS_DIAGONALROLL_FROMCENTER:
diagonalRollFromCenter(blackoutFlag);
break;
case SCI_TRANSITIONS_STRAIGHT_FROM_RIGHT:
case SCI_TRANSITIONS_STRAIGHT_FROM_LEFT:
case SCI_TRANSITIONS_STRAIGHT_FROM_BOTTOM:
case SCI_TRANSITIONS_STRAIGHT_FROM_TOP:
straight(number, blackoutFlag);
break;
case SCI_TRANSITIONS_PIXELATION:
pixelation(blackoutFlag);
break;
case SCI_TRANSITIONS_BLOCKS:
blocks(blackoutFlag);
break;
case SCI_TRANSITIONS_FADEPALETTE:
if (!blackoutFlag) {
fadeOut(); setNewScreen(blackoutFlag); fadeIn();
}
break;
case SCI_TRANSITIONS_SCROLL_RIGHT:
case SCI_TRANSITIONS_SCROLL_LEFT:
case SCI_TRANSITIONS_SCROLL_UP:
case SCI_TRANSITIONS_SCROLL_DOWN:
scroll(number);
break;
case SCI_TRANSITIONS_NONE_LONGBOW:
case SCI_TRANSITIONS_NONE:
setNewScreen(blackoutFlag);
break;
default:
warning("Transitions: ID %d not implemented", number);
setNewScreen(blackoutFlag);
}
}
void Transitions::setNewPalette(bool blackoutFlag) {
if (!blackoutFlag)
if (_isVGA)
_palette->setOnScreen();
}
void Transitions::setNewScreen(bool blackoutFlag) {
if (!blackoutFlag) {
_screen->copyRectToScreen(_picRect);
g_system->updateScreen();
}
}
void Transitions::copyRectToScreen(const Common::Rect rect, bool blackoutFlag) {
if (!blackoutFlag) {
_screen->copyRectToScreen(rect);
} else {
Graphics::Surface *surface = g_system->lockScreen();
surface->fillRect(rect, 0);
g_system->unlockScreen();
}
}
// Note: dont do too many steps in here, otherwise cpu will crap out because of the load
void Transitions::fadeOut() {
byte oldPalette[4 * 256], workPalette[4 * 256];
int16 stepNr, colorNr;
g_system->grabPalette(oldPalette, 0, 256);
for (stepNr = 100; stepNr >= 0; stepNr -= 10) {
for (colorNr = 1; colorNr < 255; colorNr++){
workPalette[colorNr * 4 + 0] = oldPalette[colorNr * 4] * stepNr / 100;
workPalette[colorNr * 4 + 1] = oldPalette[colorNr * 4 + 1] * stepNr / 100;
workPalette[colorNr * 4 + 2] = oldPalette[colorNr * 4 + 2] * stepNr / 100;
}
g_system->setPalette(workPalette + 4, 1, 254);
_gui->wait(2);
}
}
// Note: dont do too many steps in here, otherwise cpu will crap out because of the load
void Transitions::fadeIn() {
int16 stepNr;
for (stepNr = 0; stepNr <= 100; stepNr += 10) {
_palette->setIntensity(1, 255, stepNr, true);
_gui->wait(2);
}
}
// pixelates the new picture over the old one - works against the whole screen
// TODO: it seems this needs to get applied on _picRect only if possible
void Transitions::pixelation (bool blackoutFlag) {
uint16 mask = 0x40, stepNr = 0;
Common::Rect pixelRect;
do {
mask = (mask & 1) ? (mask >> 1) ^ 0xB400 : mask >> 1;
if (mask >= _screen->getWidth() * _screen->getHeight())
continue;
pixelRect.left = mask % _screen->getWidth(); pixelRect.right = pixelRect.left + 1;
pixelRect.top = mask / _screen->getWidth(); pixelRect.bottom = pixelRect.top + 1;
pixelRect.clip(_picRect);
if (!pixelRect.isEmpty())
copyRectToScreen(pixelRect, blackoutFlag);
if ((stepNr & 0x3FF) == 0) {
updateScreenAndWait(5);
}
stepNr++;
} while (mask != 0x40);
}
// like pixelation but uses 8x8 blocks - works against the whole screen
// TODO: it seems this needs to get applied on _picRect only if possible
void Transitions::blocks(bool blackoutFlag) {
uint16 mask = 0x40, stepNr = 0;
Common::Rect blockRect;
do {
mask = (mask & 1) ? (mask >> 1) ^ 0x240 : mask >> 1;
if (mask >= 40 * 25)
continue;
blockRect.left = (mask % 40) << 3; blockRect.right = blockRect.left + 8;
blockRect.top = (mask / 40) << 3; blockRect.bottom = blockRect.top + 8;
blockRect.clip(_picRect);
if (!blockRect.isEmpty())
copyRectToScreen(blockRect, blackoutFlag);
if ((stepNr & 7) == 0) {
updateScreenAndWait(4);
}
stepNr++;
} while (mask != 0x40);
}
// directly shows new screen starting up/down/left/right and going to the opposite direction - works on _picRect area only
void Transitions::straight(int16 number, bool blackoutFlag) {
int16 stepNr = 0;
Common::Rect newScreenRect = _picRect;
switch (number) {
case SCI_TRANSITIONS_STRAIGHT_FROM_RIGHT:
newScreenRect.left = newScreenRect.right - 1;
while (newScreenRect.left >= _picRect.left) {
copyRectToScreen(newScreenRect, blackoutFlag);
if ((stepNr & 1) == 0) {
updateScreenAndWait(1);
}
stepNr++;
newScreenRect.translate(-1, 0);
}
break;
case SCI_TRANSITIONS_STRAIGHT_FROM_LEFT:
newScreenRect.right = newScreenRect.left + 1;
while (newScreenRect.right <= _picRect.right) {
copyRectToScreen(newScreenRect, blackoutFlag);
if ((stepNr & 1) == 0) {
updateScreenAndWait(1);
}
stepNr++;
newScreenRect.translate(1, 0);
}
break;
case SCI_TRANSITIONS_STRAIGHT_FROM_BOTTOM:
newScreenRect.top = newScreenRect.bottom - 1;
while (newScreenRect.top >= _picRect.top) {
copyRectToScreen(newScreenRect, blackoutFlag);
updateScreenAndWait(3);
stepNr++;
newScreenRect.translate(0, -1);
}
break;
case SCI_TRANSITIONS_STRAIGHT_FROM_TOP:
newScreenRect.bottom = newScreenRect.top + 1;
while (newScreenRect.bottom <= _picRect.bottom) {
copyRectToScreen(newScreenRect, blackoutFlag);
updateScreenAndWait(3);
stepNr++;
newScreenRect.translate(0, 1);
}
break;
}
}
// scroll old screen (up/down/left/right) and insert new screen that way - works on _picRect area only
void Transitions::scroll(int16 number) {
int16 screenWidth, screenHeight;
byte *oldScreenPtr;
int16 stepNr = 0;
Common::Rect oldMoveRect = _picRect;
Common::Rect newMoveRect = _picRect;
Common::Rect newScreenRect = _picRect;
_screen->copyFromScreen(_oldScreen);
screenWidth = _screen->getDisplayWidth(); screenHeight = _screen->getDisplayHeight();
oldScreenPtr = _oldScreen + _picRect.left + _picRect.top * screenWidth;
switch (number) {
case SCI_TRANSITIONS_SCROLL_LEFT:
newScreenRect.right = newScreenRect.left;
newMoveRect.left = newMoveRect.right;
while (oldMoveRect.left < oldMoveRect.right) {
oldScreenPtr++; oldMoveRect.right--;
if (oldMoveRect.right > oldMoveRect.left)
g_system->copyRectToScreen(oldScreenPtr, screenWidth, oldMoveRect.left, oldMoveRect.top, oldMoveRect.width(), oldMoveRect.height());
newScreenRect.right++; newMoveRect.left--;
_screen->copyRectToScreen(newScreenRect, newMoveRect.left, newMoveRect.top);
if ((stepNr & 1) == 0) {
updateScreenAndWait(1);
}
stepNr++;
}
if ((stepNr & 1) == 0)
g_system->updateScreen();
break;
case SCI_TRANSITIONS_SCROLL_RIGHT:
newScreenRect.left = newScreenRect.right;
while (oldMoveRect.left < oldMoveRect.right) {
oldMoveRect.left++;
if (oldMoveRect.right > oldMoveRect.left)
g_system->copyRectToScreen(oldScreenPtr, screenWidth, oldMoveRect.left, oldMoveRect.top, oldMoveRect.width(), oldMoveRect.height());
newScreenRect.left--;
_screen->copyRectToScreen(newScreenRect, newMoveRect.left, newMoveRect.top);
if ((stepNr & 1) == 0) {
updateScreenAndWait(1);
}
stepNr++;
}
if ((stepNr & 1) == 0)
g_system->updateScreen();
break;
case SCI_TRANSITIONS_SCROLL_UP:
newScreenRect.bottom = newScreenRect.top;
newMoveRect.top = newMoveRect.bottom;
while (oldMoveRect.top < oldMoveRect.bottom) {
oldScreenPtr += screenWidth; oldMoveRect.top++;
if (oldMoveRect.top < oldMoveRect.bottom)
g_system->copyRectToScreen(oldScreenPtr, screenWidth, _picRect.left, _picRect.top, oldMoveRect.width(), oldMoveRect.height());
newScreenRect.bottom++; newMoveRect.top--;
_screen->copyRectToScreen(newScreenRect, newMoveRect.left, newMoveRect.top);
updateScreenAndWait(3);
}
break;
case SCI_TRANSITIONS_SCROLL_DOWN:
newScreenRect.top = newScreenRect.bottom;
while (oldMoveRect.top < oldMoveRect.bottom) {
oldMoveRect.top++;
if (oldMoveRect.top < oldMoveRect.bottom)
g_system->copyRectToScreen(oldScreenPtr, screenWidth, oldMoveRect.left, oldMoveRect.top, oldMoveRect.width(), oldMoveRect.height());
newScreenRect.top--;
_screen->copyRectToScreen(newScreenRect, _picRect.left, _picRect.top);
updateScreenAndWait(3);
}
break;
}
}
// vertically displays new screen starting from center - works on _picRect area only
void Transitions::verticalRollFromCenter(bool blackoutFlag) {
Common::Rect leftRect = Common::Rect(_picRect.left + (_picRect.width() / 2) -1, _picRect.top, _picRect.left + (_picRect.width() / 2), _picRect.bottom);
Common::Rect rightRect = Common::Rect(leftRect.right, _picRect.top, leftRect.right + 1, _picRect.bottom);
while ((leftRect.left >= _picRect.left) || (rightRect.right <= _picRect.right)) {
if (leftRect.left < _picRect.left)
leftRect.translate(1, 0);
if (rightRect.right > _picRect.right)
rightRect.translate(-1, 0);
copyRectToScreen(leftRect, blackoutFlag); leftRect.translate(-1, 0);
copyRectToScreen(rightRect, blackoutFlag); rightRect.translate(1, 0);
updateScreenAndWait(2);
}
}
// vertically displays new screen starting from edges - works on _picRect area only
void Transitions::verticalRollToCenter(bool blackoutFlag) {
Common::Rect leftRect = Common::Rect(_picRect.left, _picRect.top, _picRect.left + 1, _picRect.bottom);
Common::Rect rightRect = Common::Rect(leftRect.right - 1, _picRect.top, leftRect.right, _picRect.bottom);
while (leftRect.left < rightRect.right) {
copyRectToScreen(leftRect, blackoutFlag); leftRect.translate(1, 0);
copyRectToScreen(rightRect, blackoutFlag); rightRect.translate(-1, 0);
updateScreenAndWait(2);
}
}
// horizontally displays new screen starting from center - works on _picRect area only
void Transitions::horizontalRollFromCenter(bool blackoutFlag) {
Common::Rect upperRect = Common::Rect(_picRect.left, _picRect.top + (_picRect.height() / 2) - 1, _picRect.right, _picRect.top + (_picRect.height() / 2));
Common::Rect lowerRect = Common::Rect(upperRect.left, upperRect.bottom, upperRect.right, upperRect.bottom + 1);
while ((upperRect.top >= _picRect.top) || (lowerRect.bottom <= _picRect.bottom)) {
if (upperRect.top < _picRect.top)
upperRect.translate(0, 1);
if (lowerRect.bottom > _picRect.bottom)
lowerRect.translate(0, -1);
copyRectToScreen(upperRect, blackoutFlag); upperRect.translate(0, -1);
copyRectToScreen(lowerRect, blackoutFlag); lowerRect.translate(0, 1);
updateScreenAndWait(3);
}
}
// horizontally displays new screen starting from upper and lower edge - works on _picRect area only
void Transitions::horizontalRollToCenter(bool blackoutFlag) {
Common::Rect upperRect = Common::Rect(_picRect.left, _picRect.top, _picRect.right, _picRect.top + 1);
Common::Rect lowerRect = Common::Rect(upperRect.left, _picRect.bottom - 1, upperRect.right, _picRect.bottom);
while (upperRect.top < lowerRect.bottom) {
copyRectToScreen(upperRect, blackoutFlag); upperRect.translate(0, 1);
copyRectToScreen(lowerRect, blackoutFlag); lowerRect.translate(0, -1);
updateScreenAndWait(3);
}
}
// diagonally displays new screen starting from center - works on _picRect area only
// assumes that height of rect is larger than width
void Transitions::diagonalRollFromCenter(bool blackoutFlag) {
int16 halfHeight = _picRect.height() / 2;
Common::Rect upperRect(_picRect.left + halfHeight - 2, _picRect.top + halfHeight, _picRect.right - halfHeight + 1, _picRect.top + halfHeight + 1);
Common::Rect lowerRect(upperRect.left, upperRect.top, upperRect.right, upperRect.bottom);
Common::Rect leftRect(upperRect.left, upperRect.top, upperRect.left + 1, lowerRect.bottom);
Common::Rect rightRect(upperRect.right, upperRect.top, upperRect.right + 1, lowerRect.bottom);
while ((upperRect.top >= _picRect.top) || (lowerRect.bottom <= _picRect.bottom)) {
if (upperRect.top < _picRect.top) {
upperRect.translate(0, 1); leftRect.top++; rightRect.top++;
}
if (lowerRect.bottom > _picRect.bottom) {
lowerRect.translate(0, -1); leftRect.bottom--; rightRect.bottom--;
}
if (leftRect.left < _picRect.left) {
leftRect.translate(1, 0); upperRect.left++; lowerRect.left++;
}
if (rightRect.right > _picRect.right) {
rightRect.translate(-1, 0); upperRect.right--; lowerRect.right--;
}
copyRectToScreen(upperRect, blackoutFlag); upperRect.translate(0, -1); upperRect.left--; upperRect.right++;
copyRectToScreen(lowerRect, blackoutFlag); lowerRect.translate(0, 1); lowerRect.left--; lowerRect.right++;
copyRectToScreen(leftRect, blackoutFlag); leftRect.translate(-1, 0); leftRect.top--; leftRect.bottom++;
copyRectToScreen(rightRect, blackoutFlag); rightRect.translate(1, 0); rightRect.top--; rightRect.bottom++;
updateScreenAndWait(3);
}
}
// diagonally displays new screen starting from edges - works on _picRect area only
// assumes that height of rect is larger than width
void Transitions::diagonalRollToCenter(bool blackoutFlag) {
Common::Rect upperRect(_picRect.left, _picRect.top, _picRect.right, _picRect.top + 1);
Common::Rect lowerRect(_picRect.left, _picRect.bottom - 1, _picRect.right, _picRect.bottom);
Common::Rect leftRect(_picRect.left, _picRect.top, _picRect.left + 1, _picRect.bottom);
Common::Rect rightRect(_picRect.right - 1, _picRect.top, _picRect.right, _picRect.bottom);
while (upperRect.top < lowerRect.bottom) {
copyRectToScreen(upperRect, blackoutFlag); upperRect.translate(0, 1); upperRect.left++; upperRect.right--;
copyRectToScreen(lowerRect, blackoutFlag); lowerRect.translate(0, -1); lowerRect.left++; lowerRect.right--;
copyRectToScreen(leftRect, blackoutFlag); leftRect.translate(1, 0);
copyRectToScreen(rightRect, blackoutFlag); rightRect.translate(-1, 0);
updateScreenAndWait(3);
}
}
} // End of namespace Sci
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