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I will install the 3.20 version first... because i know that i have some older version100%... i think *water1
{
glslprogram
{
!!cvarf r_wateralpha
varying vec2 tc;
varying vec4 tf;
varying vec3 norm;
varying vec3 eye;
#ifdef VERTEX_SHADER
attribute vec2 v_texcoord;
attribute vec3 v_normal;
uniform vec3 e_eyepos;
void main (void)
{
tc = v_texcoord.st;
tf = ftetransform();
norm = v_normal;
eye = e_eyepos - v_position;
gl_Position = tf;
}
#endif
#ifdef FRAGMENT_SHADER
uniform sampler2D s_t0; //refract
uniform sampler2D s_t1; //normalmap
uniform sampler2D s_t2; //diffuse
uniform float e_time;
uniform float cvar_r_wateralpha;
void main (void)
{
vec2 stc, ntc;
vec3 n, refr, refl;
float fres;
stc = (1.0 + (tf.xy / tf.w)) * 0.5;
//apply q1-style warp, just for kicks
ntc.s = tc.s + sin(tc.t+e_time)*0.125;
ntc.t = tc.t + sin(tc.s+e_time)*0.125;
//generate the two waveforms
n = (texture2D(s_t1, 0.2*tc + vec2(e_time*0.1, 0)).xyz);
n += (texture2D(s_t1, 0.2*tc - vec2(0, e_time*0.097)).xyz);
n -= 1.0 - 4.0/256.0; //rebalance to avoid 8bit precision issues
n = normalize(n);
refr = texture2D(s_t0, stc + n.st*0.2).rgb;
refl = texture2D(s_t2, ntc).rgb; //actually this is just the regular warped texture
//fresnel term please!
fres = abs(dot(norm, normalize(eye)));
fres *= 1.0-(cvar_r_wateralpha * 0.5); //I've used an extra multiplier to ensure its visible.
gl_FragColor = vec4(refr * fres + refl*(1-fres), 1.0);
}
#endif
}
{
map $currentrender
}
{
map water1_norm.tga
}
{
map water1.tga
}
}
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