WorldSystem/Systems/Animation.cpp

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#include "Animation.hpp"
#include "Graphics/Animator/QuadAnimator.hpp"
 
namespace Cori {
    namespace World {
        namespace Systems {
            void Animation::OnTickUpdate([[maybe_unused]] Core::GameTimer& gameTimer) {
                CORI_PROFILE_FUNCTION();
 
                StaticEntityView view = m_Owner.StaticView<Components::Entity::QuadAnimator>(Exclude<Components::Entity::InactiveLocallyFlag>());
 
                for (const auto entity : view) {
                    view.Get<Components::Entity::QuadAnimator>(entity).OnTickUpdate();
                }
            }
 
            bool Animation::Create() {
                m_Owner.GetRegistry().on_construct<Components::Entity::QuadAnimator>().connect<&Animation::OnQuadAnimationCreate>(this);
 
                m_EntityPool.Init(m_Owner,
                [](SceneHandle& scene) -> Entity {
                    static uint32_t count = 0;
                    Entity entity = scene.CreateEntity<EntityTags::DisposableEntityTag>(std::format("Temporary entity {}", count));
                    entity.AddComponent<Components::Entity::QuadRenderer>();
                    entity.AddComponent<Components::Entity::QuadAnimator>();
                    ++count;
                    return entity;
                },
                [](Entity& entity) {
                    auto& tr = entity.GetComponents<Components::Entity::Transform>();
                    tr.SetLocalScale({ 0.0f, 0.0f });
                    entity.UnlinkFromParent();
                    entity.DestroyChildren();
                });
 
                return true;
            }
 
            void Animation::OnQuadAnimationCreate(entt::registry& registry, entt::entity entity) {
                Entity e = entt::handle{ registry, entity };
                auto& qa = e.GetComponents<Components::Entity::QuadAnimator>();
                qa.m_Entity = e;
                auto& renderer = e.GetOrAddComponent<Components::Entity::QuadRenderer>();
                renderer.m_AnimatorBound = true;
            }
        }
    }
}