shooter/engine/animation/Timeline.cpp

98 lines
2.4 KiB
C++

//
// Created by Иван Ильин on 03.10.2021.
//
#include <list>
#include "Animation.h"
#include "Timeline.h"
#include "../utils/Log.h"
Timeline *Timeline::_instance = nullptr;
void Timeline::init() {
delete _instance;
_instance = new Timeline();
Log::log("Timeline::init(): animation timeline was initialized");
}
void Timeline::deleteAllAnimations() {
if (_instance == nullptr) {
return;
}
Log::log("Timeline::deleteAllAnimations(): all " + std::to_string(_instance->_animations.size()) + " list was deleted");
_instance->_animations.clear();
}
void Timeline::deleteAnimationList(const AnimationListTag &listName) {
if (_instance == nullptr) {
return;
}
auto it = _instance->_animations.find(listName);
if(it != _instance->_animations.end()) {
_instance->_animations.erase(it);
} else {
Log::log("Timeline::deleteAnimationList(): list '" + listName.str() + "' does not exist");
}
}
[[nodiscard]] bool Timeline::isInAnimList(const AnimationListTag &listName) {
if (_instance == nullptr) {
return false;
}
auto it = _instance->_animations.find(listName);
if(it != _instance->_animations.end()) {
return !it->second.empty();
}
return false;
}
void Timeline::update() {
if (_instance == nullptr) {
return;
}
for (auto iter = _instance->_animations.begin(); iter != _instance->_animations.end(); ) {
if (iter->second.empty()) {
_instance->_animations.erase(iter++);
continue;
}
auto& animationList = iter->second;
auto it = animationList.begin();
// If it the front animation is 'a_wait()' we should wait until waiting time is over
if ((*it)->isWaitingForFinish()) {
if (!(*it)->updateState()) {
animationList.erase(it);
}
continue;
}
// Otherwise we iterate over all animation until we meet animations.end() or wait animation
while (!animationList.empty() && (it != animationList.end()) && (!(*it)->isWaitingForFinish())) {
if (!(*it)->updateState()) {
animationList.erase(it++);
} else {
++it;
}
}
++iter;
}
}
void Timeline::free() {
Timeline::deleteAllAnimations();
delete _instance;
_instance = nullptr;
Log::log("Timeline::free(): pointer to 'Timeline' was freed");
}