1 files changed, 19 insertions, 46 deletions

diff --git a/src/render/Draw.cpp b/src/render/Draw.cpp
index f1b2147f..90875299 100644
--- a/src/render/Draw.cpp
+++ b/src/render/Draw.cpp
@@ -16,70 +16,43 @@ uint8 &CDraw::FadeRed = *(uint8*)0x95CD90;
 uint8 &CDraw::FadeGreen = *(uint8*)0x95CD71;
 uint8 &CDraw::FadeBlue = *(uint8*)0x95CD53;
 
-void CDraw::CalculateAspectRatio()
+void
+CDraw::CalculateAspectRatio()
 {
 	SetScreenMult(DEFAULT_SCALE);
 
-#ifndef HOR_PLUS
-	if (FrontEndMenuManager.m_PrefsUseWideScreen)
-		ms_fAspectRatio = 16.0f / 9.0f;
+	if(FrontEndMenuManager.m_PrefsUseWideScreen)	
+		ms_fAspectRatio = 16.0f/9.0f;
 	else
-		ms_fAspectRatio = 4.0f / 3.0f;
-#else
-	switch (FrontEndMenuManager.m_PrefsUseWideScreen) {
-	case AR_AUTO:
-		ms_fAspectRatio = (float)SCREEN_WIDTH / (float)SCREEN_HEIGHT;
-		return;
-	case AR_3_2:
-		ms_fAspectRatio = 3.0f / 2.0f;
-		return;
-	case AR_4_3:
-		ms_fAspectRatio = 4.0f / 3.0f;
-		return;
-	case AR_5_3:
-		ms_fAspectRatio = 5.0f / 3.0f;
-		return;
-	case AR_5_4:
-		ms_fAspectRatio = 5.0f / 4.0f;
-		return;
-	case AR_15_9:
-		ms_fAspectRatio = 15.0f / 9.0f;
-		return;
-	case AR_16_9:
-		ms_fAspectRatio = 16.0f / 9.0f;
-		return;
-	case AR_16_10:
-		ms_fAspectRatio = 16.0f / 10.0f;
-		return;
-	case AR_64_27:
-		ms_fAspectRatio = 64.0f / 27.0f;
-		return;
-	};
-
-#endif
+		ms_fAspectRatio = 4.0f/3.0f;
 }
 
-float 
-HorToVert(float hfov)
+static float hFov2vFov(float hfov)
 {
-	float vfov = atan(tan(DEGTORAD(hfov) / 2) / (4.0 / 3.0)) * 2;
-	return RADTODEG(hfov = atan(tan(vfov / 2) * CDraw::GetAspectRatio()) * 2);
+	float w = SCREENW;
+	float h = SCREENH;
+
+	// => tan(hFOV/2) = tan(vFOV/2)*aspectRatio
+	// => tan(vFOV/2) = tan(hFOV/2)/aspectRatio
+	float ar1 = 4.0/3.0;
+	float ar2 = w/h;
+	hfov = DEGTORAD(hfov);
+	float vfov = atan(tan(hfov/2) / ar1) *2;
+	hfov = atan(tan(vfov/2) * ar2) *2;
+	return RADTODEG(hfov);
 }
 
 void
 CDraw::SetFOV(float fov)
 {
-#ifndef HOR_PLUS
+// TODO: fix FOV here or somewhere else?
+//	ms_fFOV = hFov2vFov(fov);
 	ms_fFOV = fov;
-#else
-	ms_fFOV = HorToVert(fov);
-#endif
 }
 
 STARTPATCHES
 	InjectHook(0x4FE7B0, CDraw::SetFOV, PATCH_JUMP);
 
-	// Some patches to fix aiming offset on "CCamera::Find3rdPersonCamTargetVector".
 	Nop(0x46B618, 2);
 	Patch<float>(0x5F0A64, 1.3333334f);
 ENDPATCHES