#include "StdAfx.h"
#include "CRenderTargetManager.h"
#include "../EterBase/Stl.h"
#include <memory>

CRenderTargetManager::CRenderTargetManager(){}
CRenderTargetManager::~CRenderTargetManager()
{
	Destroy();
}
void CRenderTargetManager::Destroy()
{
	m_renderTargets.clear();
}
void CRenderTargetManager::DeformModels()
{
	for (const auto& elem : m_renderTargets)
		elem.second->DeformModel();
}
void CRenderTargetManager::UpdateModels()
{
	for (auto& elem : m_renderTargets)
		elem.second->UpdateModel();
}
// PORT: the background is drawn into the target by RenderModel (CRenderTarget::RenderBackground).
void CRenderTargetManager::RenderBackgrounds()
{
}
void CRenderTargetManager::RenderModels()
{
	for (const auto& elem : m_renderTargets)
		elem.second->RenderModel();
}
void CRenderTargetManager::CreateRenderTargetTextures()
{
	for (const auto& elem : m_renderTargets)
		elem.second->CreateTextures();
}
void CRenderTargetManager::ReleaseRenderTargetTextures()
{
	for (const auto& elem : m_renderTargets)
		elem.second->ReleaseTextures();
}
bool CRenderTargetManager::CreateRenderTarget(const int index, const int width, const int height)
{
	// PORT: the size check guards the recording device, which allocates the target's bytes up front.
	if (index < 1 || GetRenderTarget(index) || width < 1 || height < 1 || width > 2048 || height > 2048)
		return false;
	try
	{
		m_renderTargets.emplace(index, std::make_shared<CRenderTarget>(width, height));
	}
	catch (const std::exception&)
	{
		return false;
	}
	return true;
}
void CRenderTargetManager::RemoveRenderTarget(const int index)
{
	const auto it = m_renderTargets.find(index);
	if (it != m_renderTargets.end())
	{
		it->second->ResetModel();
		m_renderTargets.erase(index);
	}
}
std::shared_ptr<CRenderTarget> CRenderTargetManager::GetRenderTarget(const int index)
{
	const auto it = m_renderTargets.find(index);
	if (it != m_renderTargets.end())
		return it->second;
	return nullptr;
}