#include "MainGame.h"

#include <rmxftmpl.h>
#include <rmxfguid.h>
#pragma comment (lib, "dxguid.lib")

#include "D3DRenderer.h"
#include "RendererGeneral.h"

#define MANUAL_LOADING

CMainGame::CMainGame()
{
	m_bFocus = false;
	m_pMesh = 0;
}

CMainGame::~CMainGame()
{

}

bool CMainGame::Initialize(HWND hWnd, HINSTANCE hInstance, BOOL bWindowed)
{
	if (CD3DRenderer::GetInstance()->Init(hWnd, bWindowed) == FALSE)
	{
		MessageBox(NULL, "Failed to initialize renderer", "Error", MB_OK);
		return false;
	}

	// Set the world matrix
	D3DXMATRIX matWorld;
	D3DXMatrixIdentity(&matWorld);
	CD3DRenderer::GetInstance()->SetWorld(matWorld);

	// Set the camera back so we can view the mesh
	D3DXMATRIX matView;
	D3DXVECTOR3 vEye(0.0f, 0.0f, -5.0f);
	D3DXVECTOR3 vAt(0.0f, 0.0f, 0.0f);
	D3DXVECTOR3 vUp(0.0f, 1.0f, 0.0f);
	D3DXMatrixLookAtLH(&matView, &vEye, &vAt, &vUp);
	CD3DRenderer::GetInstance()->SetView(matView);

	// Set the projection matrix
	D3DXMATRIX matProj;
	D3DXMatrixPerspectiveFovLH(&matProj, D3DX_PI / 4.0f, 4.0f / 3.0f, 1.0f, 1000.0f);
	CD3DRenderer::GetInstance()->SetProj(matProj);

	// Set the clear color
	tColor3f clrColor(0.0f, 0.0f, 1.0f);
	CD3DRenderer::GetInstance()->SetClearColor(clrColor);

#ifdef MANUAL_LOADING

	// Try to parse our .X file manually
	ID3DXFile* pDXFile = NULL;
	ID3DXFileEnumObject* pDXEnum = NULL;
	ID3DXFileData* pDXData = NULL;
	SIZE_T nChildren, i;
	GUID id;

	// Create the file object
	if (FAILED(D3DXFileCreate(&pDXFile)))
		return false;

	// Register the common templates
	if (FAILED(pDXFile->RegisterTemplates((LPVOID)D3DRM_XTEMPLATES, D3DRM_XTEMPLATE_BYTES)))
	{
		pDXFile->Release();
		return false;
	}

	// Create an enumeration object
	if (FAILED(pDXFile->CreateEnumObject("tiger.x", D3DXF_FILELOAD_FROMFILE, &pDXEnum)))
	{
		pDXFile->Release();
		return false;
	}

	if (SUCCEEDED(pDXEnum->GetChildren(&nChildren)))
	{
		for (i = 0; i < nChildren; ++i)
		{
			if (FAILED(pDXEnum->GetChild(i, &pDXData)))
				break;

			if (FAILED(pDXData->GetType(&id)))
			{
				pDXData->Release();
				break;
			}

			if (id == TID_D3DRMMesh)
			{
				if (SUCCEEDED(D3DXLoadMeshFromXof(pDXData, 0, CD3DRenderer::GetInstance()->GetDevice(), 0, 0, 0, 0, &m_pMesh)))
				{
					pDXData->Release();
					break;
				}
			}

			pDXData->Release();
		}
	}

	// Release used COM objects
	pDXEnum->Release();
	pDXFile->Release();

#else

	if (FAILED(D3DXLoadMeshFromX("tiger.x", 0, CD3DRenderer::GetInstance()->GetDevice(), 0, 0, 0, 0, &m_pMesh)))
	{
		MessageBox(NULL, "Failed to load mesh", "Error", MB_OK);
		return false;
	}

#endif

	return true;
}

bool CMainGame::GameLoop()
{
	if (CD3DRenderer::GetInstance()->RenderBegin(TRUE, TRUE, TRUE) == FALSE)
	{
		MessageBox(NULL, "Failed to begin rendering", "Error", MB_OK);
		return false;
	}

	if (m_pMesh)
		m_pMesh->DrawSubset(0);

	CD3DRenderer::GetInstance()->RenderEnd();

	return true;
}

void CMainGame::Shutdown()
{
	if (m_pMesh)
		m_pMesh->Release();
	m_pMesh = 0;

	CD3DRenderer::GetInstance()->Shutdown();
	CD3DRenderer::DeleteInstance();
}