bool CD3DMGEng::DrawText3D ( float x, float y, float z, D3DMATRIX * pMatView, DWORD dwColor, const TCHAR *wszText, float fTextSize, FONTFLAGS ffFlags, FONTSET fsSet )
{
D3DSPRITEVERTEX3D * pVertices = NULL;
D3DXMATRIX MatWorld, MatView, MatTranslation, MatTransposed;
DWORD dwTriangleCount = 0;
float fStartX = 0;
////////////////////////////////////////////////////
// Make sure we have a valid vertex buffer.
if ( m_pVB == NULL )
{
return false;
}
////////////////////////////////////////////////////
// Make sure our texture and coords are loaded.
if ( m_pFontTexture == NULL || m_bFontInfoLoaded == false )
{
return false;
}
///////////////////////////////////////////////////
// Setup the rendering.
// Convert our view matrix from D3DMATRIX to D3DXMATRIX
MatView = *pMatView;
D3DXMatrixTranspose ( &MatTransposed, &MatView );
// Create an Inverse matrix out of the view matrix (go from view to world space).
MatTransposed._41 = MatTransposed._42 =
MatTransposed._43 = MatTransposed._14 =
MatTransposed._24 = MatTransposed._34 = 0.0f;
// Create an empty identity matrix.
D3DXMatrixIdentity ( &MatWorld );
// Add in our scaling here.
float fSize = fTextSize / 100.0f;
D3DXMatrixScaling ( &MatWorld, fSize, fSize, fSize );
// Set position of text in world.
D3DXMatrixTranslation ( &MatTranslation, x, y, z );
// Apply settings to new world matrix.
D3DXMatrixMultiply ( &MatWorld, &MatWorld, &MatTransposed );
D3DXMatrixMultiply ( &MatWorld, &MatWorld, &MatTranslation );
m_pDevice->SetFVF ( D3DFVF_SPRITEVERTEX3DTEX );
m_pDevice->SetStreamSource ( 0, m_pVB, 0, sizeof(D3DSPRITEVERTEX3D) );
m_pDevice->SetTexture ( 0, m_pFontTexture );
m_pDevice->SetTransform ( D3DTS_WORLD, &MatWorld );
x = 0;
y = 0;
///////////////////////////////////////////////////
// Do flag processing before we go any further.
if ( ffFlags )
{
SIZE sz;
// First, get extent of drawn text.
UTIL_GetTextExtent(wszText, &sz, fTextSize);
// Do math on x coordinate accordingly.
switch ( ffFlags )
{
case D3DFF_CENTERED:
x -= sz.cx/2;
break;
case D3DFF_RIGHT:
x += sz.cx;
break;
case D3DFF_LEFT:
//x += sz.cx/2;
break;
default:
break;
}
}
fStartX = x;
m_pVB->Lock( 0, 0, (void**)&pVertices, D3DLOCK_DISCARD );
while ( *wszText )
{
TCHAR c = *wszText++;
if ( c == _T('\n') )
{
x = fStartX;
y += m_aFontCoords[fsSet].fHeight;
continue;
}
if ( c < _T(' ') || c > _T(128) )
{
continue;
}
float tx1 = m_aFontCoords[fsSet+c-32].tx1;
float tx2 = m_aFontCoords[fsSet+c-32].tx2;
float ty1 = m_aFontCoords[fsSet+c-32].ty1;
float ty2 = m_aFontCoords[fsSet+c-32].ty2;
float w = m_aFontCoords[fsSet+c-32].fWidth;
float h = m_aFontCoords[fsSet+c-32].fHeight;
if ( c == _T(' ') )
{
x += w;
continue;
}
// First triangle (bottom right)
*pVertices++ = InitFont3DVertex ( x+w, y+h, 0.0f, dwColor, tx2, ty1 ); //bottom right.
*pVertices++ = InitFont3DVertex ( x+w, y, 0.0f, dwColor, tx2, ty2 ); //top right.
*pVertices++ = InitFont3DVertex ( x, y+h, 0.0f, dwColor, tx1, ty1 ); //bottom left.
// Second triangle (upper left)
*pVertices++ = InitFont3DVertex ( x, y, 0.0f, dwColor, tx1, ty2 ); //top left.
*pVertices++ = InitFont3DVertex ( x+w, y, 0.0f, dwColor, tx2, ty2 ); //top right.
*pVertices++ = InitFont3DVertex ( x, y+h, 0.0f, dwColor, tx1, ty1 ); //bottom right.
x += w;
dwTriangleCount += 2;
////////////////////////////////////////////////////
// If we've gone over our limit, draw what we have.
if ( dwTriangleCount*3 >= D3DSPRITE_NUMVERTS-6 )
{
m_pVB->Unlock();
m_pDevice->DrawPrimitive( D3DPT_TRIANGLELIST, 0, dwTriangleCount );
m_pVB->Lock( 0, 0, (void**)&(pVertices=NULL), D3DLOCK_DISCARD );
dwTriangleCount = 0L;
}
}
m_pVB->Unlock();
////////////////////////////////////////////////////
// Draw if we have anything.
if ( dwTriangleCount > 0 )
{
m_pDevice->DrawPrimitive( D3DPT_TRIANGLELIST, 0, dwTriangleCount );
}
return true;
}
//-----------------------------------------------------------------------------
// Name: Render3DText()
// Desc: Renders 3D text
//-----------------------------------------------------------------------------
HRESULT CD3DFont::Render3DText( const TCHAR* strText, DWORD dwFlags )
{
if( m_pd3dDevice == NULL )
return E_FAIL;
// Setup renderstate
m_pStateBlockSaved->Capture();
m_pStateBlockDrawText->Apply();
m_pd3dDevice->SetFVF( D3DFVF_FONT3DVERTEX );
m_pd3dDevice->SetPixelShader( NULL );
m_pd3dDevice->SetStreamSource( 0, m_pVB, 0, sizeof(FONT3DVERTEX) );
// Set filter states
if( dwFlags & D3DFONT_FILTERED )
{
m_pd3dDevice->SetSamplerState( 0, D3DSAMP_MINFILTER, D3DTEXF_LINEAR );
m_pd3dDevice->SetSamplerState( 0, D3DSAMP_MAGFILTER, D3DTEXF_LINEAR );
}
// Position for each text element
FLOAT x = 0.0f;
FLOAT y = 0.0f;
// Center the text block at the origin (not the viewport)
if( dwFlags & D3DFONT_CENTERED_X )
{
SIZE sz;
GetTextExtent( strText, &sz );
x = -(((FLOAT)sz.cx)/10.0f)/2.0f;
}
if( dwFlags & D3DFONT_CENTERED_Y )
{
SIZE sz;
GetTextExtent( strText, &sz );
y = -(((FLOAT)sz.cy)/10.0f)/2.0f;
}
// Turn off culling for two-sided text
if( dwFlags & D3DFONT_TWOSIDED )
m_pd3dDevice->SetRenderState( D3DRS_CULLMODE, D3DCULL_NONE );
// Adjust for character spacing
x -= m_dwSpacing / 10.0f;
FLOAT fStartX = x;
TCHAR c;
// Fill vertex buffer
FONT3DVERTEX* pVertices;
DWORD dwNumTriangles = 0L;
m_pVB->Lock( 0, 0, (void**)&pVertices, D3DLOCK_DISCARD );
while( (c = *strText++) != 0 )
{
if( c == '\n' )
{
x = fStartX;
y -= (m_fTexCoords[0][3]-m_fTexCoords[0][1])*m_dwTexHeight/10.0f;
}
if( (c-32) < 0 || (c-32) >= 128-32 )
continue;
FLOAT tx1 = m_fTexCoords[c-32][0];
FLOAT ty1 = m_fTexCoords[c-32][1];
FLOAT tx2 = m_fTexCoords[c-32][2];
FLOAT ty2 = m_fTexCoords[c-32][3];
FLOAT w = (tx2-tx1) * m_dwTexWidth / ( 10.0f * m_fTextScale );
FLOAT h = (ty2-ty1) * m_dwTexHeight / ( 10.0f * m_fTextScale );
if( c != _T(' ') )
{
*pVertices++ = InitFont3DVertex( D3DXVECTOR3(x+0,y+0,0), D3DXVECTOR3(0,0,-1), tx1, ty2 );
*pVertices++ = InitFont3DVertex( D3DXVECTOR3(x+0,y+h,0), D3DXVECTOR3(0,0,-1), tx1, ty1 );
*pVertices++ = InitFont3DVertex( D3DXVECTOR3(x+w,y+0,0), D3DXVECTOR3(0,0,-1), tx2, ty2 );
*pVertices++ = InitFont3DVertex( D3DXVECTOR3(x+w,y+h,0), D3DXVECTOR3(0,0,-1), tx2, ty1 );
*pVertices++ = InitFont3DVertex( D3DXVECTOR3(x+w,y+0,0), D3DXVECTOR3(0,0,-1), tx2, ty2 );
*pVertices++ = InitFont3DVertex( D3DXVECTOR3(x+0,y+h,0), D3DXVECTOR3(0,0,-1), tx1, ty1 );
dwNumTriangles += 2;
if( dwNumTriangles*3 > (MAX_NUM_VERTICES-6) )
{
// Unlock, render, and relock the vertex buffer
m_pVB->Unlock();
m_pd3dDevice->DrawPrimitive( D3DPT_TRIANGLELIST, 0, dwNumTriangles );
m_pVB->Lock( 0, 0, (void**)&pVertices, D3DLOCK_DISCARD );
dwNumTriangles = 0L;
}
}
x += w - (2 * m_dwSpacing) / 10.0f;
}
// Unlock and render the vertex buffer
m_pVB->Unlock();
if( dwNumTriangles > 0 )
m_pd3dDevice->DrawPrimitive( D3DPT_TRIANGLELIST, 0, dwNumTriangles );
// Restore the modified renderstates
m_pStateBlockSaved->Apply();
return S_OK;
}
//-----------------------------------------------------------------------------
// Name: Render3DText()
// Desc: Renders 3D text
//-----------------------------------------------------------------------------
HRESULT CD3DFont::Render3DText( TCHAR* strText, DWORD dwFlags, float r, float g, float b, float a )
{
D3DMATERIAL8 mtrl;
if( m_pd3dDevice == NULL )
return E_FAIL;
// Setup renderstate
m_pd3dDevice->CaptureStateBlock( m_dwSavedStateBlock );
m_pd3dDevice->ApplyStateBlock( m_dwDrawTextStateBlock );
m_pd3dDevice->SetVertexShader( D3DFVF_FONT3DVERTEX );
m_pd3dDevice->SetPixelShader( NULL );
m_pd3dDevice->SetStreamSource( 0, m_pVB, sizeof(FONT3DVERTEX) );
m_pd3dDevice->SetRenderState( D3DRS_ZENABLE, TRUE );
m_pd3dDevice->SetRenderState( D3DRS_ZFUNC, D3DCMP_LESSEQUAL );
D3DUtil_InitMaterial( mtrl, r, g, b, a );
m_pd3dDevice->SetMaterial(&mtrl);
// Set filter states
if( dwFlags & D3DFONT_FILTERED )
{
m_pd3dDevice->SetTextureStageState( 0, D3DTSS_MINFILTER, D3DTEXF_LINEAR );
m_pd3dDevice->SetTextureStageState( 0, D3DTSS_MAGFILTER, D3DTEXF_LINEAR );
}
// Position for each text element
FLOAT x = 0.0f;
FLOAT y = 0.0f;
// Center the text block at the origin
if( dwFlags & D3DFONT_CENTERED )
{
SIZE sz;
GetTextExtent( strText, &sz );
x = -(((FLOAT)sz.cx)/10.0f)/2.0f;
y = -(((FLOAT)sz.cy)/10.0f)/2.0f;
}
// Turn off culling for two-sided text
if( dwFlags & D3DFONT_TWOSIDED )
m_pd3dDevice->SetRenderState( D3DRS_CULLMODE, D3DCULL_NONE );
FLOAT fStartX = x;
TCHAR c;
// Fill vertex buffer
FONT3DVERTEX* pVertices;
DWORD dwVertex = 0L;
DWORD dwNumTriangles = 0L;
m_pVB->Lock( 0, 0, (BYTE**)&pVertices, D3DLOCK_DISCARD );
while( c = *strText++ )
{
if( c == '\n' )
{
x = fStartX;
y -= (m_fTexCoords[0][3]-m_fTexCoords[0][1])*m_dwTexHeight/10.0f;
}
if( c == _T('\01'))
{
// Unlock, render, and relock the vertex buffer
m_pVB->Unlock();
m_pd3dDevice->DrawPrimitive( D3DPT_TRIANGLELIST, 0, dwNumTriangles );
m_pVB->Lock( 0, 0, (BYTE**)&pVertices, D3DLOCK_DISCARD );
dwNumTriangles = 0L;
float g1 = (float)((int)(0xFF&*strText++) / 255.f);
float b1 = (float)((int)(0xFF&*strText++) / 255.f);
float r1 = (float)((int)(0xFF&*strText++) / 255.f);
float a1 = (float)((int)(0xFF&*strText++) / 255.f);
D3DUtil_InitMaterial( mtrl, r1,b1,g1,a1 );/*((float)(*strText++))/255.0f, ((float)(*strText++))/255.0f,
// ((float)(*strText++))/255.0f, ((float)(*strText++))/255.0f );*/
m_pd3dDevice->SetMaterial(&mtrl);
continue;
}
if( c < 32 )
continue;
FLOAT tx1 = m_fTexCoords[c-32][0];
FLOAT ty1 = m_fTexCoords[c-32][1];
FLOAT tx2 = m_fTexCoords[c-32][2];
FLOAT ty2 = m_fTexCoords[c-32][3];
FLOAT w = (tx2-tx1) * m_dwTexWidth / ( 10.0f * m_fTextScale );
FLOAT h = (ty2-ty1) * m_dwTexHeight / ( 10.0f * m_fTextScale );
if( c != _T(' ') )
{
*pVertices++ = InitFont3DVertex( D3DXVECTOR3(x+0,y+0,0), D3DXVECTOR3(0,0,-1), tx1, ty2 );
*pVertices++ = InitFont3DVertex( D3DXVECTOR3(x+0,y+h,0), D3DXVECTOR3(0,0,-1), tx1, ty1 );
*pVertices++ = InitFont3DVertex( D3DXVECTOR3(x+w,y+0,0), D3DXVECTOR3(0,0,-1), tx2, ty2 );
*pVertices++ = InitFont3DVertex( D3DXVECTOR3(x+w,y+h,0), D3DXVECTOR3(0,0,-1), tx2, ty1 );
*pVertices++ = InitFont3DVertex( D3DXVECTOR3(x+w,y+0,0), D3DXVECTOR3(0,0,-1), tx2, ty2 );
*pVertices++ = InitFont3DVertex( D3DXVECTOR3(x+0,y+h,0), D3DXVECTOR3(0,0,-1), tx1, ty1 );
dwNumTriangles += 2;
if( dwNumTriangles*3 > (MAX_NUM_VERTICES-6) )
{
// Unlock, render, and relock the vertex buffer
m_pVB->Unlock();
m_pd3dDevice->DrawPrimitive( D3DPT_TRIANGLELIST, 0, dwNumTriangles );
m_pVB->Lock( 0, 0, (BYTE**)&pVertices, D3DLOCK_DISCARD );
dwNumTriangles = 0L;
}
}
x += w;
}
// Unlock and render the vertex buffer
m_pVB->Unlock();
if( dwNumTriangles > 0 )
m_pd3dDevice->DrawPrimitive( D3DPT_TRIANGLELIST, 0, dwNumTriangles );
// Restore the modified renderstates
m_pd3dDevice->ApplyStateBlock( m_dwSavedStateBlock );
return S_OK;
}
