55 lines
1.4 KiB
GLSL
55 lines
1.4 KiB
GLSL
#include "common.h"
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uniform float4 consts; // {1/quant,1/quant,diffusescale,ambient}
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uniform float4 wave; // cx,cy,cz,tm
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uniform float4 dir2D;
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uniform float4 array [200] : register(c12);
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p_flat main (v_detail v)
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{
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p_flat O;
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// index
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int i = v.misc.w;
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float4 m0 = array[i+0];
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float4 m1 = array[i+1];
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float4 m2 = array[i+2];
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float4 c0 = array[i+3];
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// Transform pos to world coords
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float4 pos;
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pos.x = dot (m0, v.pos);
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pos.y = dot (m1, v.pos);
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pos.z = dot (m2, v.pos);
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pos.w = 1;
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//
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float base = m1.w;
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float dp = calc_cyclic (dot(pos,wave));
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float H = pos.y - base; // height of vertex (scaled)
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float frac = v.misc.z*consts.x; // fractional
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float inten = H * dp;
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float2 result = calc_xz_wave (dir2D.xz*inten,frac);
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pos = float4(pos.x+result.x, pos.y, pos.z+result.y, 1);
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// Normal in world coords
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float3 norm; // = float3(0,1,0);
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norm.x = pos.x - m0.w ;
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norm.y = pos.y - m1.w + .75f; // avoid zero
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norm.z = pos.z - m2.w ;
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// Final out
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float4 Pp = mul (m_WVP, pos );
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O.hpos = Pp;
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O.N = mul (m_WV, normalize(norm) );
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float3 Pe = mul (m_WV, pos );
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// O.tcdh = float4 ((v.misc * consts).xy );
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O.tcdh = float4 ((v.misc * consts).xyyy );
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# if defined(USE_R2_STATIC_SUN)
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O.tcdh.w = c0.x; // (,,,dir-occlusion)
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# endif
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O.position = float4 (Pe, c0.w );
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return O;
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}
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FXVS;
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