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Applied my own patch #1549054, after discussing it with LordHoto. This makes

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the intro scrolling use constant time, rather than assuming that the screen can
be rendered once every "tick". On my^H^Hslow computers, this makes it a bit
less smooth, but that should be ok.

It also fixes a tiny glitch right after the scrolling.

svn-id: r23811
This commit is contained in:
Torbjörn Andersson 2006-08-31 17:17:31 +00:00
parent 3e54f04f3d
commit 64aa291a16
2 changed files with 34 additions and 24 deletions
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5
NEWS
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@ -41,6 +41,11 @@ For a more comprehensive changelog for the latest experimental SVN code, see:
Broken Sword 2:
- More robust handling of the optional startup.inf file.
Kyrandia:
- Scrolling in the Kyrandia intro is less CPU intensive, at the cost of
not being as smooth as before.
- Fixed a tiny graphics glitch in the Kyrandia intro.
PSP Port:
- Fixed crashes during scrolling scenes in certain SCUMM games.
- Added saving of thumbnail in SCUMM savegames.

53
engines/kyra/sequences_v1.cpp
View File

@ -151,33 +151,38 @@ void KyraEngine::seq_introLogos() {
if (_quitFlag)
return;
int y1 = 8;
int h1 = 175;
int y2 = 176;
int h2 = 0;
int32 start, now;
int wait;
_screen->copyRegion(0, 91, 0, 8, 320, 103, 6, 2);
_screen->copyRegion(0, 0, 0, 111, 320, 64, 6, 2);
_screen->copyRegion(0, 91, 0, 8, 320, 104, 6, 2);
_screen->copyRegion(0, 0, 0, 112, 320, 64, 6, 2);
uint32 start = _system->getMillis();
bool doneFlag = false;
int oldDistance = 0;
do {
start = (int32)_system->getMillis();
if (h1 > 0) {
uint32 now = _system->getMillis();
// The smallest y2 we ever draw the screen for is 65.
int distance = (now - start) / _tickLength;
if (distance > 112) {
distance = 112;
doneFlag = true;
}
if (distance > oldDistance) {
int y1 = 8 + distance;
int h1 = 168 - distance;
int y2 = 176 - distance;
int h2 = distance;
_screen->copyRegion(0, y1, 0, 8, 320, h1, 2, 0);
if (h2 > 0)
_screen->copyRegion(0, 64, 0, y2, 320, h2, 4, 0);
_screen->updateScreen();
}
++y1;
--h1;
if (h2 > 0) {
_screen->copyRegion(0, 64, 0, y2, 320, h2, 4, 0);
}
--y2;
++h2;
_screen->updateScreen();
now = (int32)_system->getMillis();
wait = _tickLength - (now - start);
if (wait > 0) {
delay(wait);
}
} while (y2 >= 64 && !_quitFlag && !_abortIntroFlag);
oldDistance = distance;
delay(10);
} while (!doneFlag && !_quitFlag && !_abortIntroFlag);
if (_quitFlag)
return;