Printf(true, "%Ft3D VIEW PARAMETERS%E");

Printf(true, "%Bd %Ftoverall scale factor%E");

Printf(false, "%Ba %# px/%s %Fl%Ll%f[edit]%E",

SS.GW.scale * SS.MmPerUnit(),

SS.UnitName(),

&ScreenChangeViewScale);

Printf(false, "%Bd %Fl%Ll%fset to full scale%E",

&ScreenChangeViewToFullScale);

Printf(false, "");

Printf(false, "%Bd %Ftorigin (maps to center of screen)%E");

Printf(false, "%Ba (%s, %s, %s) %Fl%Ll%f[edit]%E",

SS.MmToString(-SS.GW.offset.x).c_str(),

SS.MmToString(-SS.GW.offset.y).c_str(),

SS.MmToString(-SS.GW.offset.z).c_str(),

&ScreenChangeViewOrigin);

Printf(false, "");

Vector n = (SS.GW.projRight).Cross(SS.GW.projUp);

Printf(false, "%Bd %Ftprojection onto screen%E");

Printf(false, "%Ba %Ftright%E (%3, %3, %3) %Fl%Ll%f[edit]%E",

CO(SS.GW.projRight),

&ScreenChangeViewProjection);

Printf(false, "%Bd %Ftup%E (%3, %3, %3)", CO(SS.GW.projUp));

Printf(false, "%Ba %Ftout%E (%3, %3, %3)", CO(n));

Printf(false, "");

Printf(false, "%Ft perspective factor (0 for parallel)%E");

Printf(false, "%Ba %# %Fl%Ll%f%D[change]%E",

SS.cameraTangent*1000,

&ScreenChangeCameraTangent, 0);

Printf(false, "");

Printf(false, "%Ft light direction intensity");

for(int i = 0; i < 2; i++) {

Printf(false, "%Bp #%d (%2,%2,%2)%Fl%D%f%Ll[c]%E "

"%2 %Fl%D%f%Ll[c]%E",

(i & 1) ? 'd' : 'a', i,

CO(SS.lightDir[i]), i, &ScreenChangeLightDirection,

SS.lightIntensity[i], i, &ScreenChangeLightIntensity);

}

Printf(false, "%Ba ambient lighting %2 %Fl%f%Ll[c]%E",

SS.ambientIntensity, &ScreenChangeLightAmbient);

Printf(false, "");

Printf(false, "%Ft explode distance%E");

Printf(false, "%Ba %s %Fl%Ll%f%D[change]%E",

SS.MmToString(SS.explodeDistance).c_str(),

&ScreenChangeExplodeDistance, 0);

std::string edit_value =

ssprintf("%s, %s, %s",

SS.MmToString(-SS.GW.offset.x, true).c_str(),

SS.MmToString(-SS.GW.offset.y, true).c_str(),

SS.MmToString(-SS.GW.offset.z, true).c_str());

SS.TW.edit.meaning = Edit::VIEW_ORIGIN;

SS.TW.ShowEditControl(3, edit_value);

std::string edit_value =

ssprintf("%.3f, %.3f, %.3f", CO(SS.GW.projRight));

SS.TW.edit.meaning = Edit::VIEW_PROJ_RIGHT;

SS.TW.ShowEditControl(10, edit_value);

SS.TW.ShowEditControl(8, ssprintf("%.2f, %.2f, %.2f", CO(SS.lightDir[v])));

SS.TW.edit.meaning = Edit::LIGHT_DIRECTION;

SS.TW.edit.i = v;

SS.TW.ShowEditControl(31, ssprintf("%.2f", SS.lightIntensity[v]));

SS.TW.edit.meaning = Edit::LIGHT_INTENSITY;

SS.TW.edit.i = v;

SS.TW.ShowEditControl(31, ssprintf("%.2f", SS.ambientIntensity));

SS.TW.edit.meaning = Edit::LIGHT_AMBIENT;

SS.TW.edit.i = 0;

switch(edit.meaning) {

case Edit::VIEW_SCALE: {

Expr *e = Expr::From(s, /*popUpError=*/true);

if(e) {

double v = e->Eval() / SS.MmPerUnit();

if(v > LENGTH_EPS) {

SS.GW.scale = v;

} else {

Error(_("Scale cannot be zero or negative."));

}

}

break;

}

case Edit::VIEW_ORIGIN: {

Vector pt;

if(sscanf(s.c_str(), "%lf, %lf, %lf", &pt.x, &pt.y, &pt.z) == 3) {

pt = pt.ScaledBy(SS.MmPerUnit());

SS.GW.offset = pt.ScaledBy(-1);

} else {

Error(_("Bad format: specify x, y, z"));

}

break;

}

case Edit::VIEW_PROJ_RIGHT:

case Edit::VIEW_PROJ_UP: {

Vector pt;

if(sscanf(s.c_str(), "%lf, %lf, %lf", &pt.x, &pt.y, &pt.z) != 3) {

Error(_("Bad format: specify x, y, z"));

break;

}

if(edit.meaning == Edit::VIEW_PROJ_RIGHT) {

SS.GW.projRight = pt;

SS.GW.NormalizeProjectionVectors();

edit.meaning = Edit::VIEW_PROJ_UP;

HideEditControl();

ShowEditControl(10, ssprintf("%.3f, %.3f, %.3f", CO(SS.GW.projUp)),

editControl.halfRow + 2);

edit.showAgain = true;

} else {

SS.GW.projUp = pt;

SS.GW.NormalizeProjectionVectors();

}

break;

}

default:

return false;

}

return true;