moonfall/Animation.cpp
2014-10-21 13:54:42 +09:00

111 lines
2.1 KiB
C++

/*
Moonfall Copyright (C) 2008 Alex Yatskov
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/>.
*/
#include "Pch.h"
#include "Animation.h"
#include "Sprite.h"
Animation::Animation(const std::vector<Frame>& frames) :
m_frames(frames),
m_elapsed(0),
m_index(0),
m_loop(false),
m_play(false)
{
ASSERT(frames.size() > 0);
}
void Animation::Update(float elapsed)
{
if (!m_play)
{
return;
}
m_elapsed += elapsed;
while (m_elapsed > m_frames[m_index].delay)
{
m_elapsed -= m_frames[m_index++].delay;
if (m_index == static_cast<int>(m_frames.size()))
{
if (m_loop)
{
m_index = 0;
}
else
{
m_play = false;
--m_index;
}
}
}
}
void Animation::Render(const boost::shared_ptr<Surface>& target)
{
m_frames[m_index].sprite->Render(target);
}
Vector2i Animation::GetSize() const
{
return m_frames[m_index].sprite->GetSize();
}
const ActorShape* Animation::GetShapes() const
{
return m_frames[m_index].sprite->GetShapes();
}
int Animation::GetFrameCount() const
{
return static_cast<int>(m_frames.size());
}
int Animation::GetFrame() const
{
return m_index;
}
void Animation::Play(bool loop)
{
m_loop = loop;
m_play = true;
}
void Animation::Stop()
{
Rewind();
Pause();
}
void Animation::Rewind()
{
m_index = 0;
}
void Animation::Pause()
{
m_play = false;
}
bool Animation::IsPlaying() const
{
return m_play;
}