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//========= Copyright Valve Corporation, All rights reserved. ============//
//
// Purpose:
//
//=============================================================================//
#include "vgui_basebudgetpanel.h"
#include "vgui_budgethistorypanel.h"
#include <vgui/ISurface.h>
#include "tier0/vprof.h"
#include "convar.h"
// memdbgon must be the last include file in a .cpp file!!!
#include "tier0/memdbgon.h"
ConVar budget_show_history( "budget_show_history", "1", FCVAR_ARCHIVE, "turn history graph off and on. . good to turn off on low end" );
ConVar budget_history_numsamplesvisible( "budget_history_numsamplesvisible", "100", FCVAR_ARCHIVE, "number of samples to draw in the budget history window. The lower the better as far as rendering overhead of the budget panel" );
CBudgetHistoryPanel::CBudgetHistoryPanel( CBaseBudgetPanel *pParent, const char *pPanelName ) :
BaseClass( pParent, pPanelName )
{
m_pBudgetPanel = pParent;
m_nSamplesPerGroup = 0;
SetProportional( false );
SetKeyBoardInputEnabled( false );
SetMouseInputEnabled( false );
SetVisible( true );
SetPaintBackgroundEnabled( false );
SetBgColor( Color( 0, 0, 0, 255 ) );
// For some reason, vgui::Frame likes to set the minimum size to (128,66) and we may want to get smaller.
SetMinimumSize( 0, 0 );
}
CBudgetHistoryPanel::~CBudgetHistoryPanel()
{
}
void CBudgetHistoryPanel::Paint()
{
if( m_nSamplesPerGroup == 0 )
{
// SetData hasn't been called yet.
return;
}
if( !budget_show_history.GetBool() )
{
return;
}
int width, height;
GetSize( width, height );
int startID = m_nSampleOffset - width;
while( startID < 0 )
{
startID += m_nSamplesPerGroup;
}
int endID = startID + width;
int numSamplesVisible = budget_history_numsamplesvisible.GetInt();
int xOffset = 0;
if( endID - startID > numSamplesVisible )
{
xOffset = ( endID - numSamplesVisible ) - startID;
startID = endID - numSamplesVisible;
}
static CUtlVector<vgui::IntRect> s_Rects;
static CUtlVector<float> s_CurrentHeight;
s_Rects.EnsureCount( ( endID - startID ) );
s_CurrentHeight.EnsureCount( endID - startID );
memset( &s_CurrentHeight[0], 0, sizeof( float ) * ( endID - startID ) );
int j;
float ooRangeMaxMinusMin = 1.0f / ( m_fRangeMax - m_fRangeMin );
for( j = 0; j < m_nGroups; j++ )
{
int i;
for( i = startID; i < endID; i++ )
{
int sampleOffset = i % m_nSamplesPerGroup;
int left = i - startID + xOffset;
int right = left + 1;
float &curHeight = s_CurrentHeight[i - startID];
int bottom = ( curHeight - m_fRangeMin ) * ooRangeMaxMinusMin * height;
curHeight += m_pData[sampleOffset + m_nSamplesPerGroup * j];
int top = ( curHeight - m_fRangeMin ) * ooRangeMaxMinusMin * height;
bottom = height - bottom - 1;
top = height - top - 1;
vgui::IntRect& rect = s_Rects[( i - startID )];
rect.x0 = left;
rect.x1 = right;
rect.y0 = top;
rect.y1 = bottom;
}
int red, green, blue, alpha;
m_pBudgetPanel->GetConfigData().m_BudgetGroupInfo[j].m_Color.GetColor( red, green, blue, alpha );
vgui::surface()->DrawSetColor( red, green, blue, alpha );
vgui::surface()->DrawFilledRectArray( &s_Rects[0], endID - startID );
}
for ( int i=0; i < m_pBudgetPanel->GetConfigData().m_HistoryLabelValues.Count(); i++ )
{
DrawBudgetLine( m_pBudgetPanel->GetConfigData().m_HistoryLabelValues[i] );
}
}
// Only call this from Paint!!!!!
void CBudgetHistoryPanel::DrawBudgetLine( float val )
{
int width, height;
GetSize( width, height );
double y = ( val - m_fRangeMin ) * ( 1.0f / ( m_fRangeMax - m_fRangeMin ) ) * height;
int bottom = ( int )( height - y - 1 + .5 );
int top = ( int )( height - y - 1 - .5 );
vgui::surface()->DrawSetColor( 0, 0, 0, 255 );
vgui::surface()->DrawFilledRect( 0, top-1, width, bottom+1 );
vgui::surface()->DrawSetColor( 255, 255, 255, 255 );
vgui::surface()->DrawFilledRect( 0, top, width, bottom );
}
void CBudgetHistoryPanel::SetData( double *pData, int nGroups, int nSamplesPerGroup, int nSampleOffset )
{
m_pData = pData;
m_nGroups = nGroups;
m_nSamplesPerGroup = nSamplesPerGroup;
m_nSampleOffset = nSampleOffset;
}
void CBudgetHistoryPanel::SetRange( float fMin, float fMax )
{
m_fRangeMin = fMin;
m_fRangeMax = fMax;
}
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