dust3d/src/animationclipplayer.cpp

76 lines
2.0 KiB
C++

#include "animationclipplayer.h"
AnimationClipPlayer::~AnimationClipPlayer()
{
clear();
}
void AnimationClipPlayer::setSpeedMode(SpeedMode speedMode)
{
m_speedMode = speedMode;
}
void AnimationClipPlayer::updateFrameMeshes(std::vector<std::pair<float, MeshLoader *>> &frameMeshes)
{
clear();
m_frameMeshes = frameMeshes;
frameMeshes.clear();
m_currentPlayIndex = 0;
m_countForFrame.restart();
if (!m_frameMeshes.empty())
m_timerForFrame.singleShot(0, this, &AnimationClipPlayer::frameReadyToShow);
}
void AnimationClipPlayer::clear()
{
freeFrames();
delete m_lastFrameMesh;
m_lastFrameMesh = nullptr;
}
void AnimationClipPlayer::freeFrames()
{
for (auto &it: m_frameMeshes) {
delete it.second;
}
m_frameMeshes.clear();
}
int AnimationClipPlayer::getFrameDurationMillis(int frame)
{
int millis = m_frameMeshes[frame].first * 1000;
if (SpeedMode::Slow == m_speedMode) {
millis *= 2;
} else if (SpeedMode::Fast == m_speedMode) {
millis /= 2;
}
return millis;
}
MeshLoader *AnimationClipPlayer::takeFrameMesh()
{
if (m_currentPlayIndex >= (int)m_frameMeshes.size()) {
if (nullptr != m_lastFrameMesh)
return new MeshLoader(*m_lastFrameMesh);
return nullptr;
}
int millis = getFrameDurationMillis(m_currentPlayIndex) - m_countForFrame.elapsed();
if (millis > 0) {
m_timerForFrame.singleShot(millis, this, &AnimationClipPlayer::frameReadyToShow);
if (nullptr != m_lastFrameMesh)
return new MeshLoader(*m_lastFrameMesh);
return nullptr;
}
m_currentPlayIndex = (m_currentPlayIndex + 1) % m_frameMeshes.size();
m_countForFrame.restart();
MeshLoader *mesh = new MeshLoader(*m_frameMeshes[m_currentPlayIndex].second);
m_timerForFrame.singleShot(getFrameDurationMillis(m_currentPlayIndex), this, &AnimationClipPlayer::frameReadyToShow);
delete m_lastFrameMesh;
m_lastFrameMesh = new MeshLoader(*mesh);
return mesh;
}