scummvm/gui/animation/SequenceAnimationComposite.cpp
2021-12-26 18:48:43 +01:00

72 lines
2.0 KiB
C++

/* 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 3 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, see <http://www.gnu.org/licenses/>.
*
*/
// Based on code by omergilad.
#include "gui/animation/SequenceAnimationComposite.h"
namespace GUI {
void SequenceAnimationComposite::start(long currentTime) {
Animation::start(currentTime);
// The first animation in the sequence should a start time equal to this sequence
if (_sequence.size() >= 1)
_sequence[0]->start(currentTime);
// Set the index to 0
_index = 0;
}
void SequenceAnimationComposite::addAnimation(AnimationPtr animation) {
_sequence.push_back(animation);
}
void SequenceAnimationComposite::update(Drawable *drawable, long currentTime) {
uint16 sequenceSize = _sequence.size();
// Check index bounds
if (_index >= sequenceSize)
return;
// Get the current animation in the sequence
AnimationPtr anim = _sequence[_index];
// Update the drawable
anim->update(drawable, currentTime);
// Check if the current animation is finished
if (anim->isFinished()) {
// Increase the index - move to the next animation
++_index;
if (_index >= sequenceSize) {
// Finished the sequence
finishAnimation();
} else {
// Set the start time for the next animation
_sequence[_index]->start(currentTime);
}
}
}
} // End of namespace GUI