60 lines
1.7 KiB
C
60 lines
1.7 KiB
C
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#ifndef SHARED_COMMON_H
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#define SHARED_COMMON_H
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//
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uniform float3x4 m_W;
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uniform float3x4 m_V;
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uniform float4x4 m_P;
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uniform float3x4 m_WV;
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uniform float4x4 m_VP;
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uniform float4x4 m_WVP;
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uniform half4 timers;
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uniform half4 fog_plane;
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uniform float4 fog_params; // x=near*(1/(far-near)), ?,?, w = -1/(far-near)
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uniform half4 fog_color;
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uniform half3 L_sun_color;
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uniform half3 L_sun_dir_w;
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uniform half3 L_sun_dir_e;
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uniform half4 L_hemi_color;
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uniform half4 L_ambient; // L_ambient.w = skynbox-lerp-factor
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uniform float3 eye_position;
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uniform half3 eye_direction;
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uniform half3 eye_normal;
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uniform half4 dt_params;
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//GUNSLINGER**************************//
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uniform half4 m_hud_params;
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uniform half4 screen_res;
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uniform half4 m_zoom_deviation;
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uniform float4 m_actor_params;
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uniform float4 m_affects;
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uniform float4 m_timearrow;
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uniform float4 m_timearrow2;
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uniform float4 m_digiclock;
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//************************************//
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half3 unpack_normal (half3 v) { return 2*v-1; }
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half3 unpack_bx2 (half3 v) { return 2*v-1; }
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half3 unpack_bx4 (half3 v) { return 4*v-2; }
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float2 unpack_tc_base (float2 tc, float du, float dv) {
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return (tc.xy + float2 (du,dv))*(32.f/32768.f);
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}
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float2 unpack_tc_lmap (float2 tc) { return tc*(1.f/32768.f); } // [-1 .. +1 ]
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float calc_cyclic (float x) {
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float phase = 1/(2*3.141592653589f);
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float sqrt2 = 1.4142136f;
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float sqrt2m2 = 2.8284271f;
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float f = sqrt2m2*frac(x)-sqrt2; // [-sqrt2 .. +sqrt2]
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return f*f - 1.f; // [-1 .. +1]
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}
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float2 calc_xz_wave (float2 dir2D, float frac) {
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// Beizer
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float2 ctrl_A = float2(0.f, 0.f );
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float2 ctrl_B = float2(dir2D.x, dir2D.y );
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return lerp (ctrl_A, ctrl_B, frac);
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}
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#endif
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