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#include "common.h"
#include "Draw.h"
#include "Frontend.h"
#include "Camera.h"
#include "CutsceneMgr.h"
float CDraw::ms_fAspectRatio = DEFAULT_ASPECT_RATIO;
#ifdef ASPECT_RATIO_SCALE
float CDraw::ms_fScaledFOV = 45.0f;
#endif
float CDraw::ms_fNearClipZ;
float CDraw::ms_fFarClipZ;
float CDraw::ms_fFOV = 45.0f;
float CDraw::ms_fLODDistance;
uint8 CDraw::FadeValue;
uint8 CDraw::FadeRed;
uint8 CDraw::FadeGreen;
uint8 CDraw::FadeBlue;
#ifdef PROPER_SCALING
bool CDraw::ms_bProperScaling = true;
#endif
#ifdef FIX_RADAR
bool CDraw::ms_bFixRadar = true;
#endif
#ifdef FIX_SPRITES
bool CDraw::ms_bFixSprites = true;
#endif
#ifdef ASPECT_RATIO_SCALE
float
FindAspectRatio(void)
{
switch (FrontEndMenuManager.m_PrefsUseWideScreen) {
case AR_AUTO:
return SCREEN_WIDTH / SCREEN_HEIGHT;
default:
case AR_4_3:
return 4.0f / 3.0f;
case AR_5_4:
return 5.0f / 4.0f;
case AR_16_10:
return 16.0f / 10.0f;
case AR_16_9:
return 16.0f / 9.0f;
case AR_21_9:
return 21.0f / 9.0f;
};
}
#endif
float
CDraw::CalculateAspectRatio(void)
{
#ifdef ASPECT_RATIO_SCALE
if (TheCamera.m_WideScreenOn)
CDraw::ms_fAspectRatio = (5.f / 3.f) * FindAspectRatio() / (16.f / 9.f); // It's used on theatrical showings according to Wiki
else
CDraw::ms_fAspectRatio = FindAspectRatio();
#else
if(FrontEndMenuManager.m_PrefsUseWideScreen) {
if (TheCamera.m_WideScreenOn)
CDraw::ms_fAspectRatio = 5.f / 3.f; // It's used on theatrical showings according to Wiki
else
CDraw::ms_fAspectRatio = 16.f / 9.f;
} else if (TheCamera.m_WideScreenOn) {
CDraw::ms_fAspectRatio = 5.f/4.f;
} else {
CDraw::ms_fAspectRatio = 4.f/3.f;
}
#endif
return CDraw::ms_fAspectRatio;
}
#ifdef ASPECT_RATIO_SCALE
// convert a 4:3 hFOV to vFOV,
// then convert that vFOV to hFOV for our aspect ratio,
// i.e. HOR+
float
CDraw::ConvertFOV(float hfov)
{
// => tan(hFOV/2) = tan(vFOV/2)*aspectRatio
// => tan(vFOV/2) = tan(hFOV/2)/aspectRatio
float ar1 = DEFAULT_ASPECT_RATIO;
float ar2 = GetAspectRatio();
hfov = DEGTORAD(hfov);
float vfov = Atan(tan(hfov/2) / ar1) *2;
hfov = Atan(tan(vfov/2) * ar2) *2;
return RADTODEG(hfov);
}
#endif
void
CDraw::SetFOV(float fov)
{
#ifdef ASPECT_RATIO_SCALE
if (!CCutsceneMgr::IsRunning())
ms_fScaledFOV = ConvertFOV(fov);
else
ms_fScaledFOV = fov;
#endif
ms_fFOV = fov;
}
#ifdef PROPER_SCALING
float CDraw::ScaleY(float y)
{
return ms_bProperScaling ? y : y * ((float)DEFAULT_SCREEN_HEIGHT/SCREEN_HEIGHT_NTSC);
}
#endif
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