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0.99 && lightlength < 1.01 )
{
vtx_light_direction = vec3(normalize(gl_LightSource[i].position));
NdotL = max(dot(vtx_normal,vtx_light_direction),0.0);
if (NdotL > 0.0 && display[3] == 1.0)
{
NdotHV = max(dot(vtx_normal, gl_LightSource[i].halfVector.xyz),0.0);
ambspecular += gl_LightSource[i].specular * pow(NdotHV,display[2]);
}
}
else
{
vtx_light_direction = vec3(normalize(gl_LightSource[i].position - viewVec));
NdotL = max(dot(vtx_normal,vtx_light_direction),0.0);
if (NdotL > 0.0 && display[3] == 1.0)
{
vec3 reflectVec = reflect(normalize(viewVec - gl_LightSource[i].position), vtx_normal);
vec3 viewVec = normalize(viewVec);
NdotHV = max(dot(reflectVec,-viewVec), 0.0);
// adjust the shininess to look like the fixed function
ambspecular += gl_LightSource[i].specular * pow(NdotHV,display[2] * 0.3);
}
}
diffuse += NdotL * gl_LightSource[i].diffuse;
}
}
}
else // is display mode set to textured decal or weights
{
ambspecular = vec4(0.0);
diffuse = vec4(1.0);
}
}]]>
0.0 && max(texcoord0.s,texcoord0.t) < 1.0 )
{
currentlayer = texture2D(tex0,texcoord0);
}
}
// Always mix layers, it's faster than having conditions
if ( param[0][1] == 1.0 ) // layer 1 color input
currentlayer = mix(currentlayer,color1,blend1);
else if ( param[0][1] >= 2.0 ) // texture or texture with alpha
{
if ( param[0][2] == 1.0 ) // repeatable
{
currentlayer = mix(currentlayer,texture2D(tex1,texcoord1),blend1);
}
else if ( min(texcoord1.s,texcoord1.t) > 0.0 && max(texcoord1.s,texcoord1.t) < 1.0 )
{
currentlayer = mix(currentlayer,texture2D(tex1,texcoord1),blend1);
}
}
if ( param[1][2] == 1.0 ) // layer 2 color input
currentlayer = mix(currentlayer,color2,blend2);
else if ( param[1][2] >= 2.0 )
{
if ( param[1][3] == 1.0 ) // repeatable
{
currentlayer = mix(currentlayer,texture2D(tex3,texcoord3),blend2);
}
else if ( min(texcoord3.s,texcoord3.t) > 0.0 && max(texcoord3.s,texcoord3.t) < 1.0 )
{
currentlayer = mix(currentlayer,texture2D(tex3,texcoord3),blend2);
}
}
if ( param[2][3] == 1.0 ) // layer 3 color input
currentlayer = mix(currentlayer,color3,blend3);
else if ( param[2][3] >= 2.0 )
{
if ( param[3][0] == 1.0 ) // repeatable
{
currentlayer = mix(currentlayer,texture2D(tex5,texcoord5),blend3);
}
else if ( min(texcoord5.s,texcoord5.t) > 0.0 && max(texcoord5.s,texcoord5.t) < 1.0 )
{
currentlayer = mix(currentlayer,texture2D(tex5,texcoord5),blend3);
}
}
gl_FragColor = currentlayer * diffuse + ambspecular; // apply lighting
}
}
float getblend(in float blendmode, in float constvalue,in int layer,in bool isimagerepeat,in bool isblendrepeat,in float usealpha)
{
float weight = 0.0;
if (blendmode == 1.0) // Use constant value
{
weight = constvalue;
}
else if (blendmode == 2.0) // Use black and white texture (will use the Red channel)
{
if ( layer == 1 )
{
if (isblendrepeat == true)
weight = texture2D(tex2,texcoord2).r;
else if ( min(texcoord2.s,texcoord2.t) > 0.0 && max(texcoord2.s,texcoord2.t) < 1.0 )
weight = texture2D(tex2,texcoord2).r;
}
else if ( layer == 2 )
{
if (isblendrepeat == true)
weight = texture2D(tex4,texcoord4).r;
else if ( min(texcoord4.s,texcoord4.t) > 0.0 && max(texcoord4.s,texcoord4.t) < 1.0 )
weight = texture2D(tex4,texcoord4).r;
}
else
{
if (isblendrepeat == true)
weight = texture2D(tex6,texcoord6).r;
else if ( min(texcoord6.s,texcoord6.t) > 0.0 && max(texcoord6.s,texcoord6.t) < 1.0 )
weight = texture2D(tex6,texcoord6).r;
}
}
else if (blendmode == 3.0) // Use 1st vertex color map Red channel
{
weight = vertexcolor1.r;
}
else if (blendmode == 4.0) // Use 1st vertex color map Green channel
{
weight = vertexcolor1.g;
}
else if (blendmode == 5.0) // Use 1st vertex color map Blue channel
{
weight = vertexcolor1.b;
}
else if (blendmode == 6.0) // Use 1st vertex color map Alpha channel
{
weight = vertexcolor1.a;
}
else if (blendmode == 7.0) // Use 2nd vertex color map Red channel
{
weight = vertexcolor2.r;
}
else if (blendmode == 8.0) // Use 2nd vertex color map Green channel
{
weight = vertexcolor2.g;
}
else if (blendmode == 9.0) // Use 2nd vertex color map Blue channel
{
weight = vertexcolor2.b;
}
else // Use 2nd vertex color map Alpha channel
{
weight = vertexcolor2.a;
}
if ( usealpha == 3.0 ) // Use alpha channel
{
if ( layer == 1 )
{
if (isimagerepeat == true)
weight *= texture2D(tex1,texcoord1).a;
else if ( min(texcoord1.s,texcoord1.t) > 0.0 && max(texcoord1.s,texcoord1.t) < 1.0 )
weight *= texture2D(tex1,texcoord1).a;
else
weight = 0.0;
}
else if ( layer == 2 )
{
if (isimagerepeat == true)
weight *= texture2D(tex3,texcoord3).a;
else if ( min(texcoord3.s,texcoord3.t) > 0.0 && max(texcoord3.s,texcoord3.t) < 1.0 )
weight *= texture2D(tex3,texcoord3).a;
else
weight = 0.0;
}
else
{
if (isimagerepeat == true)
weight *= texture2D(tex5,texcoord5).a;
else if ( min(gl_TexCoord[5].s,texcoord5.t) > 0.0 && max(texcoord5.s,texcoord5.t) < 1.0 )
weight *= texture2D(tex5,texcoord5).a;
else
weight = 0.0;
}
}
return(weight);
}]]>
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