128 lines
4.0 KiB
C
128 lines
4.0 KiB
C
/*
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=====================================================================
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Original Author : vegeta1k95
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Link : https://www.moddb.com/mods/stalker-anomaly/addons/heatvision-v02-extension-for-beefs-nvg-dx11engine-mod
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=====================================================================
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*/
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#ifdef USE_MSAA
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#ifndef SM_5
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Texture2DMS<float4,MSAA_SAMPLES> s_heat;
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#else
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Texture2DMS<float4> s_heat;
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#endif
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#else
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Texture2D s_heat;
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#endif
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#define FADE_DISTANCE_START 0.0 // 13.0
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#define FADE_DISTANCE_END 100.0 // 20.0
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#define COLOR_FAR_MIN float3 (0.0, 0.03, 0.07) // 0.07
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#define COLOR_FAR_MAX float3 (0.0, 0.03, 0.15) // 0.15
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#define COLOR_DBLUE float3 (0.0, 0.10, 0.35)
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#define COLOR_BLUE float3 (0.0, 0.10, 0.5)
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#define COLOR_LBLUE float3 (0.0, 0.74, 1.0)
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#define COLOR_GREEN float3 (0.4, 1.0, 0.6)
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#define COLOR_YELLOW float3 (1.0, 0.8, 0.0)
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#define COLOR_RED float3 (1.0, 0.2, 0.0)
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#define COLOR_BLACK float3 (0.0, 0.0, 0.0)
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#define COLOR_WHITE float3 (1.0, 1.0, 1.0)
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#define color_background_min COLOR_DBLUE
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#define color_background_max COLOR_BLUE
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#define color_gradient_very_low color_background_max
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#define color_gradient_low COLOR_GREEN
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#define color_gradient_warm COLOR_YELLOW
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#define color_gradient_hot COLOR_RED
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float3 normal_blur(float2 pos2d, int samples)
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{
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float3 accum = (0.0, 0.0, 0.0);
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for (int i = -samples; i < samples; i++) {
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for (int j = -samples; j < samples; j++) {
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accum += gbuf_unpack_normal(s_position.Load( int3( pos2d+float2(i,j), 0 ), 0).xy);
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}
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}
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accum /= (samples*samples*4);
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return accum;
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}
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float3 greyscale(float3 img)
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{
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float Y = 0.6*img.x + 0.5*img.y + 0.55*img.z;
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return float3(Y, Y, Y);
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}
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float3 infrared(gbuffer_data gbd, float2 HPos, float2 Tex0)
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{
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int BW = 1;
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float depth = gbd.P.z;
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float3 hotness = s_heat.Load(int3(Tex0 * screen_res.xy, 0 ), 0);
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float3 mixed;
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if (hotness.r > 0.0)
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{
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int samples = lerp(15, 4, smoothstep(0.0, 60, depth));
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mixed = normal_blur(HPos, samples);
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mixed = normalize(mixed);
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float projection = dot(mixed, float3(0.0, 0.0, -1.0));
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if (projection <= 0.f) {
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mixed = color_background_max;
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} else {
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mixed = lerp(color_gradient_very_low, color_gradient_hot, smoothstep(0, 1.0, projection));
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}
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mixed = lerp(color_background_max, mixed, hotness.r);
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} else if (hotness.g > 0.0) {
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float3 blur_2 = s_blur_2.Sample(smp_base, Tex0).rgb;
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float luminance = dot(blur_2, float3(0.299f, 0.587f, 0.114f));
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luminance *= hotness.g;
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if (luminance >= 0.4) {
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mixed = color_gradient_hot;
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} else if (luminance >= 0.3 && luminance < 0.4) {
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mixed = color_gradient_warm;
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} else if (luminance >= 0.1 && luminance < 0.3) {
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mixed = color_gradient_low;
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} else {
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float projection = dot(normalize(gbd.N), float3(0.0, 0.0, -1.0));
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mixed = lerp(color_background_min, color_background_max, projection);
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}
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} else if (hotness.b > 0.0) {
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mixed = lerp(color_background_min, color_gradient_low, hotness.b);
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} else {
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float projection = dot(normalize(gbd.N), float3(0.0, 0.0, -1.0));
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if (depth <= 0)
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{
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depth = FADE_DISTANCE_END;
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}
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if (depth < FADE_DISTANCE_START)
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{
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mixed = lerp(color_background_min, color_background_max, projection);
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}
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else
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{
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float arg = smoothstep(FADE_DISTANCE_START, FADE_DISTANCE_END, clamp(depth, FADE_DISTANCE_START, FADE_DISTANCE_END));
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float3 min_color = lerp(color_background_min, COLOR_FAR_MIN - float3(0.0, 0.0, 0.03), arg);
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float3 max_color = lerp(color_background_max, COLOR_FAR_MAX - float3(0.0, 0.0, 0.05), arg);
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mixed = lerp(min_color, max_color, projection);
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}
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}
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mixed = greyscale(mixed);
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return mixed;
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} |