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kraken/kraken/KRAnimationManager.cpp

133 lines
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C++
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//
// KRAnimationManager.cpp
// Kraken Engine
//
// Copyright 2022 Kearwood Gilbert. All rights reserved.
//
// Redistribution and use in source and binary forms, with or without modification, are
// permitted provided that the following conditions are met:
//
// 1. Redistributions of source code must retain the above copyright notice, this list of
// conditions and the following disclaimer.
//
// 2. Redistributions in binary form must reproduce the above copyright notice, this list
// of conditions and the following disclaimer in the documentation and/or other materials
// provided with the distribution.
//
// THIS SOFTWARE IS PROVIDED BY KEARWOOD GILBERT ''AS IS'' AND ANY EXPRESS OR IMPLIED
// WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
// FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL KEARWOOD GILBERT OR
// CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
// SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
// ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
// NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
//
// The views and conclusions contained in the software and documentation are those of the
// authors and should not be interpreted as representing official policies, either expressed
// or implied, of Kearwood Gilbert.
//
#include "KRAnimationManager.h"
#include "KRAnimation.h"
KRAnimationManager::KRAnimationManager(KRContext &context) : KRResourceManager(context)
{
}
KRAnimationManager::~KRAnimationManager() {
for(std::set<KRAnimation *>::iterator itr = m_activeAnimations.begin(); itr != m_activeAnimations.end(); itr++) {
KRAnimation *animation = *itr;
animation->_unlockData();
}
for(unordered_map<std::string, KRAnimation *>::iterator itr = m_animations.begin(); itr != m_animations.end(); ++itr){
delete (*itr).second;
}
}
void KRAnimationManager::startFrame(float deltaTime)
{
for(std::set<KRAnimation *>::iterator itr = m_animationsToUpdate.begin(); itr != m_animationsToUpdate.end(); itr++) {
KRAnimation *animation = *itr;
std::set<KRAnimation *>::iterator active_animations_itr = m_activeAnimations.find(animation);
if(animation->isPlaying()) {
// Add playing animations to the active animations list
if(active_animations_itr == m_activeAnimations.end()) {
m_activeAnimations.insert(animation);
animation->_lockData();
}
} else {
// Remove stopped animations from the active animations list
if(active_animations_itr != m_activeAnimations.end()) {
m_activeAnimations.erase(active_animations_itr);
animation->_unlockData();
}
}
}
m_animationsToUpdate.clear();
for(std::set<KRAnimation *>::iterator active_animations_itr = m_activeAnimations.begin(); active_animations_itr != m_activeAnimations.end(); active_animations_itr++) {
KRAnimation *animation = *active_animations_itr;
animation->update(deltaTime);
}
}
void KRAnimationManager::endFrame(float deltaTime)
{
}
KRResource* KRAnimationManager::loadResource(const std::string& name, const std::string& extension, KRDataBlock* data)
{
if (extension.compare("kranimation") == 0) {
return loadAnimation(name.c_str(), data);
}
return nullptr;
}
KRResource* KRAnimationManager::getResource(const std::string& name, const std::string& extension)
{
if (extension.compare("kranimation") == 0) {
return getAnimation(name.c_str());
}
return nullptr;
}
KRAnimation *KRAnimationManager::loadAnimation(const char *szName, KRDataBlock *data) {
KRAnimation *pAnimation = KRAnimation::Load(*m_pContext, szName, data);
addAnimation(pAnimation);
return pAnimation;
}
KRAnimation *KRAnimationManager::getAnimation(const char *szName) {
return m_animations[szName];
}
unordered_map<std::string, KRAnimation *> &KRAnimationManager::getAnimations() {
return m_animations;
}
void KRAnimationManager::addAnimation(KRAnimation *new_animation)
{
m_animations[new_animation->getName()] = new_animation;
updateActiveAnimations(new_animation);
}
void KRAnimationManager::updateActiveAnimations(KRAnimation *animation)
{
m_animationsToUpdate.insert(animation);
}
void KRAnimationManager::deleteAnimation(KRAnimation *animation, bool delete_curves)
{
if(delete_curves)
{
animation->deleteCurves();
}
m_animations.erase(animation->getName());
delete animation;
}