311 lines
7.7 KiB
C++
311 lines
7.7 KiB
C++
#include "animation_system.h"
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#include "animation/animation.h"
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#include "core/crc32.h"
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#include "core/json_serializer.h"
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#include "core/resource_manager.h"
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#include "editor/world_editor.h"
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#include "engine/engine.h"
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#include "graphics/renderer.h"
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#include "universe/universe.h"
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namespace Lumix
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{
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static const uint32_t RENDERABLE_HASH = crc32("renderable");
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static const uint32_t ANIMABLE_HASH = crc32("animable");
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class AnimationSceneImpl : public AnimationScene
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{
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private:
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struct Animable
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{
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bool m_manual;
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bool m_is_free;
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Component m_renderable;
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float m_time;
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class Animation* m_animation;
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Entity m_entity;
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};
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public:
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AnimationSceneImpl(IPlugin& anim_system, Engine& engine, Universe& universe)
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: m_universe(universe)
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, m_engine(engine)
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, m_anim_system(anim_system)
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{
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m_universe.componentCreated().bind<AnimationSceneImpl, &AnimationSceneImpl::onComponentCreated>(this);
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}
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~AnimationSceneImpl()
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{
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m_universe.componentCreated().unbind<AnimationSceneImpl, &AnimationSceneImpl::onComponentCreated>(this);
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}
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virtual Component createComponent(uint32_t type, const Entity& entity) override
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{
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if (type == ANIMABLE_HASH)
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{
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return createAnimable(entity);
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}
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return Component::INVALID;
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}
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virtual void destroyComponent(const Component& component)
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{
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m_animables[component.index].m_is_free = true;
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m_universe.destroyComponent(component);
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}
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virtual void serialize(ISerializer& serializer) override
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{
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serializer.serialize("count", m_animables.size());
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serializer.beginArray("animables");
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for (int i = 0; i < m_animables.size(); ++i)
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{
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serializer.serializeArrayItem(m_animables[i].m_manual);
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serializer.serializeArrayItem(m_animables[i].m_renderable.entity.index);
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serializer.serializeArrayItem(m_animables[i].m_time);
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serializer.serializeArrayItem(m_animables[i].m_is_free);
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}
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serializer.endArray();
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}
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virtual void deserialize(ISerializer& serializer) override
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{
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int count;
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serializer.deserialize("count", count);
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serializer.deserializeArrayBegin("animables");
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m_animables.resize(count);
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for (int i = 0; i < count; ++i)
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{
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serializer.deserializeArrayItem(m_animables[i].m_manual);
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int entity_index;
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serializer.deserializeArrayItem(entity_index);
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Entity e(&m_universe, entity_index);
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Component renderable = m_render_scene->getRenderable(e);
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if (renderable.isValid())
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{
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m_animables[i].m_renderable = renderable;
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}
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serializer.deserializeArrayItem(m_animables[i].m_time);
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serializer.deserializeArrayItem(m_animables[i].m_is_free);
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m_universe.addComponent(e, ANIMABLE_HASH, this, i);
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}
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serializer.deserializeArrayEnd();
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}
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virtual void setFrame(Component cmp, int frame) override
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{
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m_animables[cmp.index].m_time = m_animables[cmp.index].m_animation->getLength() * frame / 30.0f; /// TODO get rid of the constant
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}
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virtual bool isManual(Component cmp) override
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{
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return m_animables[cmp.index].m_manual;
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}
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virtual void setManual(Component cmp, bool is_manual) override
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{
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m_animables[cmp.index].m_manual = is_manual;
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}
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virtual void getPreview(Component cmp, string& path) override
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{
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path = m_animables[cmp.index].m_animation ? m_animables[cmp.index].m_animation->getPath().c_str() : "";
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}
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virtual void setPreview(Component cmp, const string& path) override
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{
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playAnimation(cmp, path.c_str());
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}
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virtual void playAnimation(const Component& cmp, const char* path) override
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{
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m_animables[cmp.index].m_animation = loadAnimation(path);
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m_animables[cmp.index].m_time = 0;
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m_animables[cmp.index].m_manual = false;
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}
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virtual void setAnimationFrame(const Component& cmp, int frame) override
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{
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if (m_animables[cmp.index].m_animation)
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{
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m_animables[cmp.index].m_time = m_animables[cmp.index].m_animation->getLength() * frame / m_animables[cmp.index].m_animation->getFrameCount();
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}
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}
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virtual int getFrameCount(const Component& cmp) const override
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{
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if (m_animables[cmp.index].m_animation)
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{
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return m_animables[cmp.index].m_animation->getFrameCount();
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}
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return -1;
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}
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virtual void update(float time_delta) override
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{
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if (m_animables.empty())
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return;
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for (int i = 0, c = m_animables.size(); i < c; ++i)
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{
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Animable& animable = m_animables[i];
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if (!animable.m_is_free && animable.m_animation && animable.m_animation->isReady())
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{
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RenderScene* scene = static_cast<RenderScene*>(animable.m_renderable.scene);
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animable.m_animation->getPose(animable.m_time, scene->getPose(animable.m_renderable), *scene->getRenderableModel(animable.m_renderable));
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if (!animable.m_manual)
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{
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float t = animable.m_time + time_delta;
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float l = animable.m_animation->getLength();
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while (t > l)
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{
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t -= l;
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}
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animable.m_time = t;
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}
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}
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}
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}
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private:
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Animation* loadAnimation(const char* path)
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{
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ResourceManager& rm = m_engine.getResourceManager();
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return static_cast<Animation*>(rm.get(ResourceManager::ANIMATION)->load(path));
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}
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void onComponentCreated(const Component& cmp)
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{
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if (cmp.type == RENDERABLE_HASH)
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{
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for (int i = 0; i < m_animables.size(); ++i)
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{
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if (m_animables[i].m_entity == cmp.entity)
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{
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m_animables[i].m_renderable = cmp;
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break;
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}
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}
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}
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}
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Component createAnimable(const Entity& entity)
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{
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Animable* src = NULL;
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for (int i = 0, c = m_animables.size(); i < c; ++i)
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{
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if (m_animables[i].m_is_free)
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{
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src = &m_animables[i];
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break;
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}
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}
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Animable& animable = src ? *src : m_animables.pushEmpty();
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animable.m_manual = true;
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animable.m_time = 0;
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animable.m_is_free = false;
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animable.m_renderable = Component::INVALID;
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animable.m_animation = NULL;
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animable.m_entity = entity;
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Component renderable = m_render_scene->getRenderable(entity);
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if (renderable.isValid())
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{
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animable.m_renderable = renderable;
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}
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Component cmp = m_universe.addComponent(entity, ANIMABLE_HASH, this, m_animables.size() - 1);
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m_universe.componentCreated().invoke(cmp);
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return cmp;
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}
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virtual IPlugin& getPlugin() const override
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{
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return m_anim_system;
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}
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private:
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Universe& m_universe;
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IPlugin& m_anim_system;
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Engine& m_engine;
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Array<Animable> m_animables;
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RenderScene* m_render_scene;
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};
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struct AnimationSystemImpl : public IPlugin
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{
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public:
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AnimationSystemImpl() {}
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virtual IScene* createScene(Universe& universe) override
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{
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ASSERT(m_engine);
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return LUMIX_NEW(AnimationSceneImpl)(*this, *m_engine, universe);
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}
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virtual void destroyScene(IScene* scene) override
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{
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LUMIX_DELETE(scene);
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}
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virtual const char* getName() const override
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{
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return "animation";
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}
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virtual bool create(Engine& engine) override
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{
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m_engine = &engine;
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engine.getWorldEditor()->registerProperty("animable", engine.getAllocator().newObject<FilePropertyDescriptor<AnimationSceneImpl> >("preview", &AnimationSceneImpl::getPreview, &AnimationSceneImpl::setPreview, "Animation (*.ani)"));
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m_animation_manager.create(ResourceManager::ANIMATION, engine.getResourceManager());
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return true;
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}
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virtual void destroy() override
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{
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m_engine->getResourceManager().get(ResourceManager::ANIMATION)->releaseAll();
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}
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Engine* m_engine;
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AnimationManager m_animation_manager;
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private:
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void operator=(const AnimationSystemImpl&);
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AnimationSystemImpl(const AnimationSystemImpl&);
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};
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extern "C" IPlugin* createPlugin(Engine& engine)
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{
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return engine.getAllocator().newObject<AnimationSystemImpl>();
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}
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} // ~namespace Lumix
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