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Photon wavlength info for HUD, fixes #111

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This commit is contained in:
Simon Robertshaw 2012-08-14 19:18:59 +01:00
parent 03f455bc1a
commit c8080cb025
1 changed files with 40 additions and 0 deletions
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40
src/game/GameView.cpp
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@ -1839,6 +1839,7 @@ void GameView::OnDraw()
if(showHud && !introText)
{
//Draw info about simulation under cursor
int wavelengthGfx = 0;
std::stringstream sampleInfo;
sampleInfo.precision(2);
if(sample.particle.type)
@ -1860,6 +1861,8 @@ void GameView::OnDraw()
sampleInfo << c->ElementResolve(sample.particle.type) << ", Pressure: " << std::fixed << sample.AirPressure;
sampleInfo << ", Temp: " << std::fixed << sample.particle.temp -273.15f;
}
if(sample.particle.type == PT_PHOT)
wavelengthGfx = sample.particle.ctype;
}
else
{
@ -1870,6 +1873,43 @@ void GameView::OnDraw()
g->fillrect(XRES-20-textWidth, 12, textWidth+8, 15, 0, 0, 0, 255*0.5);
g->drawtext(XRES-16-textWidth, 16, (const char*)sampleInfo.str().c_str(), 255, 255, 255, 255*0.75);
#ifndef OGLI
if(wavelengthGfx)
{
int i, cr, cg, cb, j, h = 3, x = XRES-19-textWidth, y = 10;
int tmp;
g->fillrect(x, y, 30, h, 64, 64, 64, 255); // coords -1 size +1 to work around bug in fillrect - TODO: fix fillrect
for (i = 0; i < 30; i++)
{
if ((wavelengthGfx >> i)&1)
{
// Need a spread of wavelengths to get a smooth spectrum, 5 bits seems to work reasonably well
if (i>2) tmp = 0x1F << (i-2);
else tmp = 0x1F >> (2-i);
cg = 0;
cb = 0;
cr = 0;
for (j=0; j<12; j++)
{
cr += (tmp >> (j+18)) & 1;
cb += (tmp >> j) & 1;
}
for (j=0; j<13; j++)
cg += (tmp >> (j+9)) & 1;
tmp = 624/(cr+cg+cb+1);
cr *= tmp;
cg *= tmp;
cb *= tmp;
for (j=0; j<h; j++)
g->blendpixel(x+29-i,y+j,cr>255?255:cr,cg>255?255:cg,cb>255?255:cb,255);
}
}
}
#endif
if(showDebug)
{
sampleInfo.str(std::string());