Renderer.cpp

#include "Renderer.h"
#include "Vector.h"

CRenderer* g_pRenderer = new CRenderer( );

CRenderer::CRenderer( void )
{
    m_pDevice = NULL;
    m_pFont = NULL;
    m_pLine = NULL;
}

CRenderer::~CRenderer( void )
{
    m_pDevice = NULL;
    m_pFont = NULL;
    m_pLine = NULL;
}

void CRenderer::Update( IDirect3DDevice9* pDevice )
{
    if( !m_pDevice )
    {
        m_pDevice = pDevice;
    }

    if( !m_pFont )
    {
        if( FAILED( D3DXCreateFont( m_pDevice, 14, NULL, NULL, NULL, NULL, DEFAULT_CHARSET, OUT_CHARACTER_PRECIS, DEFAULT_QUALITY, DEFAULT_PITCH, "Verdana", &m_pFont ) ) )
        {
            return;
        }
    }

    if( !m_pLine )
    {
        if( FAILED( D3DXCreateLine( m_pDevice, &m_pLine ) ) )
        {
            return;
        }
    }
}

void CRenderer::Release( void )
{
    if( m_pFont )
    {
        m_pFont->OnLostDevice( );
        m_pFont->OnResetDevice( );

        m_pFont = NULL;
    }

    if( m_pLine )
    {
        m_pLine->OnLostDevice( );
        m_pLine->OnResetDevice( );

        m_pLine = NULL;
    }
}

void CRenderer::SetFont( ID3DXFont* pFont )
{
    m_pFont = pFont;
}

void CRenderer::SetLine( ID3DXLine* pLine )
{
    m_pLine = pLine;
}

void CRenderer::SetDevice( IDirect3DDevice9* pDevice )
{
    m_pDevice = pDevice;
}

ID3DXFont* CRenderer::GetFont( void )
{
    return m_pFont;
}

ID3DXLine* CRenderer::GetLine( void )
{
    return m_pLine;
}

IDirect3DDevice9* CRenderer::GetDevice( void )
{
    return m_pDevice;
}

void CRenderer::DrawRect( int x, int y, int w, int h, DWORD_PTR color )
{
    if( !IsReady( ) )
        return;

    D3DXVECTOR2 vecLine[ 2 ];

    m_pLine->SetWidth( w );
    m_pLine->SetAntialias( false );
    m_pLine->SetGLLines( false );

    vecLine[ 0 ].x = x + w / 2;
    vecLine[ 0 ].y = y;

    vecLine[ 1 ].x = x + w / 2;
    vecLine[ 1 ].y = y + h;

    m_pLine->Begin( );
    m_pLine->Draw( vecLine, 2, color );
    m_pLine->End( );
}

void CRenderer::DrawRectOutlined( int x, int y, int w, int h, DWORD_PTR color, DWORD_PTR outlined, int thickness )
{
    if( !IsReady( ) )
        return;

    DrawRect( x, y, w, h, color );
    DrawBorderBox( x - 1, y - 1, w + 1, h + 1, outlined, thickness );
}

void CRenderer::DrawBorderBox( int x, int y, int w, int h, DWORD_PTR color, int thickness )
{
    if( !IsReady( ) )
        return;

    DrawRect( x, y, w, thickness, color );
    DrawRect( x, y, thickness, h, color );
    DrawRect( x + w, y, thickness, h, color );
    DrawRect( x, y + h, w + thickness, thickness, color );
}

void CRenderer::DrawBorderBoxOutlined( int x, int y, int w, int h, DWORD_PTR color, DWORD_PTR outlined, int thickness )
{
    if( !IsReady( ) )
        return;

    DrawBorderBox( x, y, w, h, color, thickness );
    DrawBorderBox( x - 1, y - 1, w + 2, h + 2, outlined, 1 );
    DrawBorderBox( x + 1, y + 1, w - 2, h - 2, outlined, 1 );
}

void CRenderer::DrawLine( int x0, int y0, int x1, int y1, DWORD_PTR color )
{
    if( !IsReady( ) )
        return;

    D3DXVECTOR2 vecLine[ 2 ];

    m_pLine->SetWidth( 1 );

    vecLine[ 0 ].x = x0;
    vecLine[ 0 ].y = y0;

    vecLine[ 1 ].x = x1;
    vecLine[ 1 ].y = y1;

    m_pLine->Draw( vecLine, 2, color );
}

void CRenderer::DrawLine( Vector x, Vector y, DWORD_PTR color )
{
    if( !IsReady( ) )
        return;

    D3DXVECTOR2 vecLine[ 2 ];

    m_pLine->SetWidth( 1 );

    vecLine[ 0 ].x = x.x;
    vecLine[ 0 ].y = x.y;

    vecLine[ 1 ].x = y.x;
    vecLine[ 1 ].y = y.y;

    m_pLine->Draw( vecLine, 2, color );
}

void CRenderer::DrawString( int x, int y, DWORD_PTR color, const char* text, ... )
{
    if( !IsReady( ) )
        return;

    char lpBuffer[ 1024 ];

    va_list va_alist;
    va_start( va_alist, text );
    vsprintf( lpBuffer, text, va_alist );
    va_end( va_alist );

    RECT rect = { x, y, x + 50, y + 50 };
    m_pFont->DrawTextA( NULL, lpBuffer, -1, &rect, DT_NOCLIP, color );
}

void CRenderer::DrawStringOutlined( int x, int y, DWORD_PTR color, const char* text, ... )
{
    if( !IsReady( ) )
        return;
}

bool CRenderer::IsReady( void )
{
    return ( m_pDevice && m_pFont && m_pLine );
}