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#include "../api/Animator.h"
#include "../manager/ComponentManager.h"
#include "../manager/LoopTimerManager.h"
#include <chrono>
#include "AnimatorSystem.h"
using namespace crepe;
using namespace std::chrono;
void AnimatorSystem::frame_update() {
ComponentManager & mgr = this->mediator.component_manager;
LoopTimerManager & timer = this->mediator.loop_timer;
RefVector<Animator> animations = mgr.get_components_by_type<Animator>();
duration_t elapsed = timer.get_delta_time();
for (Animator & animator : animations) {
if (!animator.active) continue;
Animator::Data & data = animator.data;
if (animator.data.fps == 0) continue;
if (animator.data.cycle_end == -1)
animator.data.cycle_end = animator.grid_size.x * animator.grid_size.y;
animator.elapsed += elapsed;
duration_t frame_duration = 1000ms / animator.data.fps;
if (animator.elapsed > frame_duration) {
animator.elapsed = 0ms;
animator.data.frame++;
if (animator.data.looping && animator.data.frame >= animator.data.cycle_end)
animator.data.frame = animator.data.cycle_start;
}
Sprite::Mask & mask = animator.spritesheet.mask;
mask.x = animator.data.frame % animator.grid_size.x * mask.w;
mask.y = animator.data.frame / animator.grid_size.x * mask.h;
}
}
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