Divergent/mods/Boomsticks and Sharpsticks/gamedata/shaders/r1/models_scope_nv_2.ps

59 lines
1.6 KiB
PostScript

#include "common.h"
struct v2p
{
float2 tc0: TEXCOORD0; // base
half3 tc1: TEXCOORD1; // environment
half4 c0: COLOR0; // sun.(fog*fog)
};
uniform float4x4 m_script_params;
uniform float4 m_hud_params; // zoom_rotate_factor, secondVP_zoom_factor, NULL, NULL
uniform float4 m_blender_mode;
uniform float4 screen_res;
uniform sampler2D s_vp2;
inline bool isSecondVPActive()
{
return (m_blender_mode.z == 1.f);
}
float resize(float input, float factor, float offset)
{
return (input-0.5f+offset) / factor+0.5f-offset;
}
//////////////////////////////////////////////////////////////////////////////////////////
half4 main( v2p I ) : COLOR
{
//Constants
float BAS_NV_BRIGHTNESS = 4.7;
float3 BAS_NV_COLOR = (0.1, 1.0, 0.3);
float BAS_NV_NOISE = 0.16;
float BAS_NV_FLICK = 0.005;
half4 t_base = tex2D(s_base, I.tc0); // Òåêñòóðà ñåòêè
I.tc0.x = resize(I.tc0.x, screen_res.x / screen_res.y, 0);
half4 t_vp2 = tex2D(s_vp2, I.tc0); // Èçîáðàæåíèå ñî âòîðîãî âüþïîðòà
float noise = frac(sin(dot(I.tc0, float2(12.0, 78.0) + timers.x)) * 43758.0);
float lum = dot(t_vp2.xyz, float3(0.2125, 0.7154, 0.0721) * BAS_NV_BRIGHTNESS);
if (!isSecondVPActive())
{
t_vp2.rgb *= 0.01; //KRodin: ÷òîáû èçîáðàæåíèå âî âòîðîì âüþïîðòå íå çàñòûâàëî ïîñëå åãî îòêëþ÷åíèÿ - ïðîñòî çàòåìíèì åãî â 100 ðàç.
}
else
{
t_vp2.xyz = BAS_NV_COLOR * lum; //BW + color
t_vp2.xyz += noise * BAS_NV_NOISE; //Noise
t_vp2.xyz += BAS_NV_FLICK * sin(timers.x * 73.0); //Flickering, fps hit
}
half3 final = lerp(t_vp2, t_base, t_base.a);
return half4(final.r, final.g, final.b, m_hud_params.x);
}