Method emit

src/SB/Core/x/xDecal.cpp:131–162

}

void xDecalEmitter::emit(const xMat4x3& mat, S32 texture_index)
{
    if (this->units.full())
    {
        this->units.pop_back();
    }

    this->units.push_front();
    unit_data& udata = this->units.front();
    udata.age = 0.0f;

    if (this->cfg.flags & 0x2)
    {
        udata.mat.right.assign(1.0f, 1.0f, 1.0f);
        udata.mat.pos = mat.pos;
        udata.cull_size = 0.5f;
    }
    else
    {
        udata.mat = mat;
        F32 greatest_length = choose_greatest(udata.mat.right.length(), udata.mat.up.length(), udata.mat.at.length());
        udata.cull_size = greatest_length * 0.5f;
    }

    if (texture_index < 0 || texture_index > (S32)this->texture.units)
    {
        texture_index = this->select_texture_unit();
    }
    
    udata.u = texture_index % this->cfg.texture.rows;
    udata.v = texture_index / this->cfg.texture.rows;
}

namespace
{