init

gamedata/shaders/d3d11/pnv.hlsli

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+//////////////////////////////////////////////////////////////////////////////////////////
+//NV Shader by LVutner (basing on yaz NV)
+//Last edit: 5:12 (22.05.19)
+//Edit for 'GUNSLINGER Mod' by Romann[MNP_TEAM] (04.01.2020)
+//////////////////////////////////////////////////////////////////////////////////////////
+
+//defines
+#define NV_BRIGHTNESS 5.0
+
+//effects
+#define NV_FLICKERING
+#define NV_NOISE
+//#define NV_VIGNETTE
+#define NV_SCANLINES
+
+//effect settings
+#define FLICKERING_INTENSITY 0.003    // Èíòåíñèâíîñòü ìåðöàíèÿ
+#define FLICKERING_FREQ 60.0          // ×àñòîòà  ìåðöàíèÿ
+#define NOISE_INTENSITY 0.13          // Èíòåíñèâíîñòü øóìà
+#define SCANLINES_INTENSITY 0.015     // Ðàñòðîâàÿ  Èíòåíñèâíîñòü
+#define VIGNETTE_RADIUS 1.0           //
+
+// Pixel
+uniform	float4		screen_res;
+uniform	float4 		m_zoom_deviation;
+
+float4 calc_night_vision_effect(float2 tc0, float4 color, float3 NV_COLOR)
+{
+    float lum = dot(color.rgb, float3( 0.3f, 0.38f, 0.22f)*NV_BRIGHTNESS );  //instead of float3 use LUMINANCE_floatTOR in stalker
+    color.rgb = m_zoom_deviation.z*NV_COLOR*lum;
+    
+    //cheap noise function
+    float noise  = frac(sin(dot(tc0, float2(12.0, 78.0) + (timers.x*1.17f) )) * 43758.0); 
+    
+    //////////////////////////////////////////////////////////////////////////////////////////
+    // scanlines
+    #ifdef NV_SCANLINES
+    color += SCANLINES_INTENSITY*sin(tc0.y*screen_res.y*2.0);
+    #endif
+    //////////////////////////////////////////////////////////////////////////////////////////
+    // noise
+    #ifdef NV_NOISE
+    color  += noise * NOISE_INTENSITY; 
+    #endif
+    //////////////////////////////////////////////////////////////////////////////////////////
+    // screen flickering
+    #ifdef NV_FLICKERING
+    color += FLICKERING_INTENSITY * sin(timers.x*FLICKERING_FREQ);   
+    #endif
+    //////////////////////////////////////////////////////////////////////////////////////////
+    // vignette
+    #ifdef NV_VIGNETTE
+	color *= VIGNETTE_RADIUS-(distance(tc0.xy,float2( 0.5f, 0.5f)));
+   	#endif
+	
+   	return color; 
+}