add easter egg.

cl_dll/hud.cpp

@@ -1054,4 +1054,30 @@ void CHud::ApplyGreyscaleEffect()
 	int grey = 128;
 	int alpha = 128;
 	gEngfuncs.pfnFillRGBA(0, 0, ScreenWidth, ScreenHeight, 255, 0, 0, 128);
+}
+
+cvar_t* r_pissfilter;
+
+void CHud::ApplyPissFilter()
+{
+	int r = 182;
+	int g = 137;
+	int b = 38;
+
+	static bool PissPrint = false;
+
+	if (r_pissfilter->value != 0)
+	{
+		gEngfuncs.pfnFillRGBA(0, 0, ScreenWidth, ScreenHeight, r, g, b, 60);
+		if (!PissPrint)
+		{
+			gEngfuncs.Con_Printf("PISSFILTER ENGAGED!!\n");
+			gEngfuncs.pfnPlaySoundByName("sound/gah.wav", 1);
+			PissPrint = true;
+		}
+	}
+	else
+	{
+		PissPrint = false;
+	}
 }

cl_dll/hud.h

@@ -756,7 +756,8 @@ class CHud
 
 	float m_flHudLagOfs[2];
 	void ApplyGreyscaleEffect();
-};
+	void ApplyPissFilter();
+ };
 
 extern CHud gHUD;
 

cl_dll/hud_redraw.cpp

@@ -249,6 +249,8 @@ int CHud :: Redraw( float flTime, int intermission )
 	{
 		ApplyGreyscaleEffect();
 	}
+	else
+		ApplyPissFilter();
 
 	/*
 	if ( g_iVisibleMouse )

cl_dll/view.cpp

@@ -72,6 +72,7 @@ extern cvar_t* cl_forwardspeed;
 extern cvar_t* chase_active;
 extern cvar_t* scr_ofsx, * scr_ofsy, * scr_ofsz;
 extern cvar_t* cl_vsmoothing;
+extern cvar_t* r_pissfilter;
 
 #define	CAM_MODE_RELAX		1
 #define CAM_MODE_FOCUS		2
@@ -2111,6 +2112,8 @@ void V_Init(void)
 	cl_shockrifle_punch_enabled = gEngfuncs.pfnRegisterVariable("cl_shockrifle_punch_enabled", "1", FCVAR_ARCHIVE);
 
 	crosshair_low = gEngfuncs.pfnRegisterVariable("crosshair_low", "0", FCVAR_ARCHIVE);
+
+	r_pissfilter = gEngfuncs.pfnRegisterVariable("r_pissfilter", "0", FCVAR_ARCHIVE);
 }