#include "common.h"
struct        v2p
{
    float2 tc0:        TEXCOORD0;    // Texture coordinates    (for sampling maps)
    float2 tc1:        TEXCOORD1;    // Texture coordinates    (for sampling maps)
    float2 tc2:        TEXCOORD2;    // Texture coordinates    (for sampling maps)
    float2 tc3:        TEXCOORD3;    // Texture coordinates    (for sampling maps)
};

uniform half4    b_params;

/////////////////////////////////////////////////////////////////////////////////////////
// Pixel

half4    main    ( v2p I )    : COLOR
{

    float i = 0.03; // расстояние на которое разносить "блумные" копии изображения источника света с блумом

    // hi-rgb.base-lum
    half3    s0    =    tex2D    (s_image,    I.tc0 + float2( i,0 ) );
    half3    s1    =    tex2D    (s_image,    I.tc1 + float2( -i,0 ) );
    half3    s2    =    tex2D    (s_image,    I.tc2 + float2( 0,i ) );
    half3    s3    =    tex2D    (s_image,    I.tc3 + float2( 0,-i ) );

    half3    s4    =    tex2D    (s_image,    I.tc0 + float2( i,i ) );
    half3    s5    =    tex2D    (s_image,    I.tc1 + float2( -i,i ) );
    half3    s6    =    tex2D    (s_image,    I.tc2 + float2( i,-i ) );
    half3    s7    =    tex2D    (s_image,    I.tc3 + float2( -i,-i ) );

    half3    avg    = (s0+s1+s2+s3+s4+s5+s6+s7)/8;
    half     hi    = dot(avg,1.h)-b_params.x;    // assume def_hdr equal to 3.0

    return    half4(avg,hi);
}

#include "common.h"

uniform float3x4        m_xform;
uniform float3x4        m_xform_v;
uniform float4             consts;     // {1/quant,1/quant,???,???}
uniform float4             c_scale,c_bias,wind,wave;

//////////////////////////////////////////////////////////////////////////////////////////
// Vertex
v_shadow_direct_aref     main    ( v_tree      I )
{
    v_shadow_direct_aref     O;

    // Transform to world coords

    I.P.y *= 3.0f; // правильная тень от деревьев, чем больше число тем длиннее.

    float3     pos    = mul        (m_xform , I.P);

    float     base     = m_xform._24;            // take base height from matrix
    float     dp        = calc_cyclic  (wave.w+dot(pos,(float3)wave));
    float     H         = pos.y - base;            // height of vertex (scaled, rotated, etc.)
    float     frac     = I.tc.z*consts.x;        // fractional (or rigidity)
    float     inten     = H * dp;            // intensity
    float2     result    = calc_xz_wave    (wind.xz*inten, frac);

#ifdef USE_TREEWAVE
            result    = 0;
#endif

    float4     f_pos     = float4(pos.x+result.x, pos.y, pos.z+result.y, 1);
    O.hpos     = mul        (m_VP,    f_pos    );
    O.tc0     = (I.tc * consts).xy + result;

#ifndef USE_HWSMAP
    O.depth = O.hpos.z;
#endif

    return    O;
}

FXVS;