//-----------------------------------------------------------------------------
// Purpose: relayouts out the panel after any internal changes
//-----------------------------------------------------------------------------
void CMaterialViewPanel::PerformLayout()
{
// Get the current size, see if it's big enough to view the entire thing
int iWidth, iHeight;
GetSize( iWidth, iHeight );
// In the case of stretching, just stretch to the size and blow off
// the scrollbars. Same holds true if there's no material
if (!m_bUseActualSize || !m_pMaterial)
{
m_iViewableWidth = iWidth;
m_iViewableHeight = iHeight;
m_pHorizontalBar->SetVisible(false);
m_pVerticalBar->SetVisible(false);
return;
}
// Check the size of the material...
int iMaterialWidth = m_pMaterial->GetMappingWidth();
int iMaterialHeight = m_pMaterial->GetMappingHeight();
// Check if the scroll bars are visible
bool bHorizScrollVisible = (iMaterialWidth > iWidth);
bool bVertScrollVisible = (iMaterialHeight > iHeight);
m_pHorizontalBar->SetVisible(bHorizScrollVisible);
m_pVerticalBar->SetVisible(bVertScrollVisible);
// Shrink the bars if both are visible
m_iViewableWidth = bVertScrollVisible ? iWidth - SCROLLBAR_SIZE - WINDOW_BORDER_WIDTH : iWidth;
m_iViewableHeight = bHorizScrollVisible ? iHeight - SCROLLBAR_SIZE - WINDOW_BORDER_WIDTH : iHeight;
// Set the position of the horizontal bar...
if (bHorizScrollVisible)
{
m_pHorizontalBar->SetPos(0, iHeight - SCROLLBAR_SIZE);
m_pHorizontalBar->SetSize( m_iViewableWidth, SCROLLBAR_SIZE );
m_pHorizontalBar->SetRangeWindow( m_iViewableWidth );
m_pHorizontalBar->SetRange( 0, iMaterialWidth );
// FIXME: Change scroll amount based on how much is not visible?
m_pHorizontalBar->SetButtonPressedScrollValue( 5 );
}
// Set the position of the vertical bar...
if (bVertScrollVisible)
{
m_pVerticalBar->SetPos(iWidth - SCROLLBAR_SIZE, 0);
m_pVerticalBar->SetSize(SCROLLBAR_SIZE, m_iViewableHeight);
m_pVerticalBar->SetRangeWindow( m_iViewableHeight );
m_pVerticalBar->SetRange( 0, iMaterialHeight);
m_pVerticalBar->SetButtonPressedScrollValue( 5 );
}
}
//-----------------------------------------------------------------------------
// Renders a material orthographically to screen...
//-----------------------------------------------------------------------------
static void RenderMaterial( const char *pMaterialName )
{
// So it's not in the very top left
float x = 100.0f, y = 100.0f;
// float x = 0.0f, y = 0.0f;
IMaterial *pMaterial = materials->FindMaterial( pMaterialName, TEXTURE_GROUP_OTHER, false );
if ( !IsErrorMaterial( pMaterial ) )
{
CMatRenderContextPtr pRenderContext( materials );
pRenderContext->Bind( pMaterial );
IMesh* pMesh = pRenderContext->GetDynamicMesh( true );
CMeshBuilder meshBuilder;
meshBuilder.Begin( pMesh, MATERIAL_QUADS, 1 );
meshBuilder.Position3f( x, y, 0.0f );
meshBuilder.TexCoord2f( 0, 0.0f, 0.0f );
meshBuilder.Color4ub( 255, 255, 255, 255 );
meshBuilder.AdvanceVertex();
meshBuilder.Position3f( x + pMaterial->GetMappingWidth(), y, 0.0f );
meshBuilder.TexCoord2f( 0, 1.0f, 0.0f );
meshBuilder.Color4ub( 255, 255, 255, 255 );
meshBuilder.AdvanceVertex();
meshBuilder.Position3f( x + pMaterial->GetMappingWidth(), y + pMaterial->GetMappingHeight(), 0.0f );
meshBuilder.TexCoord2f( 0, 1.0f, 1.0f );
meshBuilder.Color4ub( 255, 255, 255, 255 );
meshBuilder.AdvanceVertex();
meshBuilder.Position3f( x, y + pMaterial->GetMappingHeight(), 0.0f );
meshBuilder.TexCoord2f( 0, 0.0f, 1.0f );
meshBuilder.Color4ub( 255, 255, 255, 255 );
meshBuilder.AdvanceVertex();
meshBuilder.End();
pMesh->Draw();
}
}
//-----------------------------------------------------------------------------
// paint it actual size
//-----------------------------------------------------------------------------
void CMaterialViewPanel::DrawActualSize( CMeshBuilder &meshBuilder )
{
// Check the size of the material...
int iMaterialWidth = m_pMaterial->GetMappingWidth();
int iMaterialHeight = m_pMaterial->GetMappingHeight();
Vector2D ul;
Vector2D lr;
Vector2D tul;
Vector2D tlr;
if (m_iViewableWidth >= iMaterialWidth)
{
// Center the material if we've got enough horizontal space
ul.x = (m_iViewableWidth - iMaterialWidth) * 0.5f;
lr.x = ul.x + iMaterialWidth;
tul.x = 0.0f; tlr.x = 1.0f;
}
else
{
// Use the scrollbars here...
int val = m_pHorizontalBar->GetValue();
tul.x = (float)val / (float)iMaterialWidth;
tlr.x = tul.x + (float)m_iViewableWidth / (float)iMaterialWidth;
ul.x = 0;
lr.x = m_iViewableWidth;
}
if (m_iViewableHeight >= iMaterialHeight)
{
// Center the material if we've got enough vertical space
ul.y = (m_iViewableHeight - iMaterialHeight) * 0.5f;
lr.y = ul.y + iMaterialHeight;
tul.y = 0.0f; tlr.y = 1.0f;
}
else
{
// Use the scrollbars here...
int val = m_pVerticalBar->GetValue();
tul.y = (float)val / (float)iMaterialHeight;
tlr.y = tul.y + (float)m_iViewableHeight / (float)iMaterialHeight;
ul.y = 0;
lr.y = m_iViewableHeight;
}
meshBuilder.Color4ub( 255, 255, 255, 255 );
meshBuilder.Position3f( ul.x, ul.y, 0 );
meshBuilder.TexCoord2f( 0, tul.x, tul.y );
meshBuilder.AdvanceVertex();
meshBuilder.Color4ub( 255, 255, 255, 255 );
meshBuilder.Position3f( lr.x, ul.y, 0 );
meshBuilder.TexCoord2f( 0, tlr.x, tul.y );
meshBuilder.AdvanceVertex();
meshBuilder.Color4ub( 255, 255, 255, 255 );
meshBuilder.Position3f( lr.x, lr.y, 0 );
meshBuilder.TexCoord2f( 0, tlr.x, tlr.y );
meshBuilder.AdvanceVertex();
meshBuilder.Color4ub( 255, 255, 255, 255 );
meshBuilder.Position3f( ul.x, lr.y, 0 );
meshBuilder.TexCoord2f( 0, tul.x, tlr.y );
meshBuilder.AdvanceVertex();
}