bool AddSubmeshMaterials(ref TexBlend_t texBlend, int num, int max)
{
var blend = texBlend;
for (int i = 0; i < num; ++i)
{
if (!AddSubmeshTexture(ref blend, _materials[i], max))
{
return(false);
}
}
texBlend = blend;
return(true);
}
Vector4 SetMaterialBlendFactor(Vector4 blendFactor, TexBlend_t blend, int m, float frac)
{
if (blend.x == m)
{
blendFactor.x = frac;
return(blendFactor);
}
if (blend.y == m)
{
blendFactor.y = frac;
return(blendFactor);
}
if (blend.z == m)
{
blendFactor.z = frac;
return(blendFactor);
}
blendFactor.w = frac;
return(blendFactor);
}
Vector4 GetTriVertTexBlendFactor(TexBlend_t blend, int layer, int v0)
{
var num = 0;
AddVertexMaterials(layer, v0, ref num);
float total = 0f;
for (int i = 0; i < num; ++i)
{
total += _matrefcounts[i];
}
var blendFactor = Vector4.zero;
for (int i = 0; i < num; ++i)
{
var frac = _matrefcounts[i] / total;
blendFactor = SetMaterialBlendFactor(blendFactor, blend, _materials[i], frac);
}
return(blendFactor);
}
static bool AddSubmeshTexture(ref TexBlend_t blend, int material, int max)
{
if (max > 0)
{
if (blend.count < 1)
{
blend.x = material;
blend.count = 1;
return(true);
}
if (blend.x == material)
{
return(true);
}
;
if (max > 1)
{
if (blend.count < 2)
{
blend.y = material;
blend.count = 2;
return(true);
}
if (blend.y == material)
{
return(true);
}
if (max > 2)
{
if (blend.count < 3)
{
blend.z = material;
blend.count = 3;
return(true);
}
if (blend.z == material)
{
return(true);
}
if (max > 3)
{
if (blend.count < 4)
{
blend.w = material;
blend.count = 4;
return(true);
}
if (blend.w == material)
{
return(true);
}
}
}
}
}
return(false);
}
