Function zLOD_UseCustomTable

src/SB/Game/zLOD.cpp:267–348

WIP

// WIP
void zLOD_UseCustomTable(xEnt* ent, zLODTable* lod)
{
    xModelInstance* model = ent->model;
    if (model == NULL || sManagerCount == 0)
    {
        return;
    }

    for (U32 i = 0; i < sManagerCount; i++)
    {
        zLODManager* mgr = &sManagerList[i];

        if (mgr->model == model)
        {
            mgr->lod = lod;

            F32 dist = xsqrt(lod->noRenderDist) + 10.0f;
            mgr->adjustNoRenderDist = dist * dist;

            RwMatrix* mat = model->Mat;
            F32 distscale =
                mat->right.x * mat->right.x + mat->up.x * mat->up.x + mat->at.x * mat->at.x;
            if (distscale < 0.0001f)
            {
                distscale = 1.0f;
            }

            xVec3* camPos = &globals.camera.mat.pos;
            F32 camdist2 = 0.0f;
            if (mat)
            {
                camdist2 = ((camPos->x - mat->pos.x) * (camPos->x - mat->pos.x) +
                            (camPos->y - mat->pos.y) * (camPos->y - mat->pos.y) +
                            (camPos->z - mat->pos.z) * (camPos->z - mat->pos.z)) /
                           distscale;
            }

            if (camdist2 < mgr->adjustNoRenderDist)
            {
                model->PipeFlags &= ~0x400;

                if (lod->baseBucket)
                {
                    model->Bucket = lod->baseBucket;
                    model->Data = (*lod->baseBucket)->Data;
                }

                S32 lodIndex;
                for (lodIndex = 0;
                     lodIndex < 3 && lod->lodBucket[lodIndex] && lod->lodDist[lodIndex] < camdist2;
                     lodIndex++)
                {
                    model->Bucket = lod->lodBucket[lodIndex];
                    model->Data = (*lod->lodBucket[lodIndex])->Data;
                }

                if (mgr->numextra)
                {