Magic_Game/core/actions/Animate.cpp

// Copyright (c) 2016-2018 Easy2D - Nomango
// 
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
// 
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
// 
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.

#include "..\e2daction.h"
#include "..\e2dobject.h"

namespace easy2d
{
	Animate::Animate()
		: frame_index_(0)
		, animation_(nullptr)
	{
	}

	Animate::Animate(Animation * animation)
		: frame_index_(0)
		, animation_(nullptr)
	{
		this->SetAnimation(animation);
	}

	Animate::~Animate()
	{
		SafeRelease(animation_);
	}

	Animation * Animate::GetAnimation() const
	{
		return animation_;
	}

	void Animate::SetAnimation(Animation * animation)
	{
		if (animation && animation != animation_)
		{
			if (animation_)
			{
				animation_->Release();
			}
			animation_ = animation;
			animation_->Retain();
			frame_index_ = 0;
		}
	}

	void Animate::Init()
	{
		Action::Init();

		auto target = dynamic_cast<Sprite*>(target_);
		if (target && animation_)
		{
			target->Load(animation_->GetFrames()[frame_index_]);
			++frame_index_;
		}
	}

	void Animate::Update()
	{
		Action::Update();

		if (!animation_)
		{
			this->Stop();
			return;
		}

		while ((Time::Now() - started_).Seconds() >= animation_->GetInterval())
		{
			auto& frames = animation_->GetFrames();
			auto target = dynamic_cast<Sprite*>(target_);

			if (target)
			{
				target->Load(frames[frame_index_]);
			}

			started_ += Duration::Second * animation_->GetInterval();
			++frame_index_;

			if (frame_index_ == frames.size())
			{
				this->Stop();
				break;
			}
		}
	}

	void Animate::ResetTime()
	{
		Action::ResetTime();
	}

	void Animate::Reset()
	{
		Action::Reset();
		frame_index_ = 0;
	}

	Animate * Animate::Clone() const
	{
		if (animation_)
		{
			return new Animate(animation_);
		}
		return nullptr;
	}

	Animate * Animate::Reverse() const
	{
		if (animation_)
		{
			auto animation = animation_->Reverse();
			if (animation)
			{
				return new Animate(animation);
			}
		}
		return nullptr;
	}
}