khanat-opennel-code/code/nel/tools/3d/object_viewer/graph.cpp
2014-02-07 19:29:36 -08:00

142 lines
3.2 KiB
C++

// NeL - MMORPG Framework <http://dev.ryzom.com/projects/nel/>
// Copyright (C) 2010 Winch Gate Property Limited
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as
// published by the Free Software Foundation, either version 3 of the
// License, or (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.
#include "std_afx.h"
#include "graph.h"
//
// Namespaces
//
using namespace NLMISC;
using namespace NL3D;
using namespace std;
//
// Variables
//
bool CGraph::Display = true;
bool CGraph::DisplayAverageValue = true;
void CGraph::renderGraph ()
{
// Display the background
uint32 w, h;
CNELU::Driver->getWindowSize (w, h);
float ScreenWidth = (float) w;
float ScreenHeight = (float) h;
if (w == 0 || h == 0) return;
float iw = 1.f / w;
float ih = 1.f / h;
NL3D::CViewport vp;
CDRU::drawQuad(X * iw, Y * ih, (X+Width) * iw, (Y+Height) * ih, *CNELU::Driver, BackColor, vp);
Peak = 0.0f;
float sum = 0.0f;
CRGBA lineCol;
if ( LineMode )
{
lineCol.set (BackColor.R, BackColor.G, BackColor.B, 255);
}
else
{
lineCol.set (255,255,255,BackColor.A);
}
float pos = X+Width-1;
uint i = 0;
for (deque<float>::reverse_iterator it = Values.rbegin(); it != Values.rend(); it++)
{
float value = (*it) * Height / MaxValue;
if (value > Height) value = Height;
CVector vect1;
if ( LineMode )
{
vect1.x = pos-1;
vect1.y = PrevY;
}
else
{
vect1.x = pos;
vect1.y = Y;
}
PrevY = Y + value;
CDRU::drawLine(vect1.x * iw, vect1.y * ih, pos * iw, PrevY * ih, *CNELU::Driver, lineCol);
pos--;
if ((*it) > Peak) Peak = *it;
sum += *it;
i++;
}
// Display max
float value = Peak * Height / MaxValue;
if (value > Height) value = Height;
float peakval = Y+value;
CRGBA frontCol (min(BackColor.R*2,255),min(BackColor.G*2,255),min(BackColor.B*2,255),min(BackColor.A*2,255));
CDRU::drawLine(X * iw, peakval * ih, (X+Width) * iw, peakval * ih, *CNELU::Driver, frontCol);
// Display average
float average = sum / (float)Values.size();
value = average * Height / MaxValue;
if (value > Height) value = Height;
float avrval = Y+value;
CDRU::drawLine(X * iw, avrval * ih, (X+Width) * iw, avrval * ih, *CNELU::Driver, frontCol);
}
void CGraph::addOneValue (float value)
{
if (value < 0.0f) value = 0.0f;
Values.push_back (value);
while (Values.size () > Width)
Values.pop_front ();
// if (Values.back() > Peak)
// Peak = Values.back();
}
void CGraph::addValue (float value)
{
TTime currentTime = (uint64) (1000 * NLMISC::CTime::ticksToSecond(NLMISC::CTime::getPerformanceTime()));
while (Values.size () == 0 || currentTime > CurrentQuantumStart + Quantum)
{
CurrentQuantumStart += Quantum;
addOneValue ();
}
Values.back() += value;
// if (Values.back() > Peak)
// Peak = Values.back();
}